1. A lightning accident early warning method for an oil and gas station is characterized by comprising the following steps:

acquiring target component information corresponding to an oil and gas station power system;

establishing an equivalent circuit model corresponding to the power system according to the target component information and the corresponding connection relation;

carrying out a lightning stroke simulation test on the equivalent circuit model to obtain lightning stroke test data;

evaluating whether the oil and gas station power system is safe to operate under the lightning condition according to the lightning stroke test data;

and if not, generating the lightning accident early warning information of the oil and gas station.

2. The method of claim 1, wherein before obtaining the target component information corresponding to the oil and gas station power system, the method comprises:

acquiring initial component information corresponding to an oil and gas station power system;

and screening the initial component information according to a preset strategy to obtain target component information corresponding to the oil and gas station power system.

3. The method of claim 1, wherein the performing a simulated lightning strike test on the equivalent circuit model to obtain lightning strike test data comprises:

selecting at least one target assembly as a target lightning stroke point in the equivalent circuit model, and selecting a lightning stroke mode;

generating a lightning signal according to a preset pulse current;

and triggering a simulated lightning stroke test at the target lightning stroke point according to the selected lightning stroke mode by adopting the lightning signal to obtain lightning stroke test data, wherein the lightning stroke test data comprises the voltage of each target component in the equivalent circuit model.

4. The method of claim 3, wherein said assessing whether said oil and gas station power system is safe to operate under lightning conditions based on said lightning strike test data comprises:

acquiring the maximum voltage of each target component and the breakdown voltage of each target component in the equivalent circuit model;

comparing the maximum voltage of each target component with the breakdown voltage of each target component;

and evaluating whether the oil and gas station is safe to operate under the lightning condition according to the comparison result.

5. The method of claim 4, wherein the assessing whether the hydrocarbon farm is safe to operate under lightning conditions based on the comparison comprises:

if the maximum voltage of any target component is greater than the breakdown voltage of the target component, determining that the power system does not pass safety evaluation, and optimizing the equivalent circuit model;

and if the maximum voltage of each target assembly is smaller than the breakdown voltage of the corresponding target assembly, determining that the electric power system of the oil and gas station passes safety evaluation.

6. The method of claim 5, wherein optimizing the equivalent circuit model comprises:

selecting a corresponding lightning protection strategy according to a target lightning stroke point, and adjusting the equivalent circuit model according to the lightning protection strategy;

carrying out a simulated lightning stroke test on the adjusted equivalent circuit model to obtain lightning stroke test data, wherein the lightning stroke test data comprises the voltage of each target component in the equivalent circuit model;

comparing the maximum voltage of each target component with the breakdown voltage of each target component;

if the maximum voltage of each target assembly is smaller than the breakdown voltage of each target assembly, taking the adjusted equivalent circuit model as an optimal circuit model, and outputting the optimal circuit model;

and if the maximum voltage of any target assembly is greater than the breakdown voltage of the target assembly, executing the step of adjusting the equivalent circuit model according to the preset lightning protection measure, and stopping adjusting the equivalent circuit model until the maximum voltage of each target assembly is less than the breakdown voltage of each target assembly.

7. An oil and gas station lightning accident early warning device, the device includes:

the acquisition unit is used for acquiring target component information corresponding to an oil and gas station power system;

the construction unit is used for establishing an equivalent circuit model corresponding to the power system according to the target component information and the corresponding connection relation;

the test unit is used for carrying out a lightning stroke simulation test on the equivalent circuit model to obtain lightning stroke test data;

the information generation unit is used for evaluating whether the oil and gas station power system runs safely under the lightning condition according to the lightning stroke test data; and if not, generating the lightning accident early warning information of the oil and gas station.

8. An electronic device, comprising: a memory, a processor;

the memory stores computer-executable instructions;

the processor executes computer-executable instructions stored by the memory, causing the processor to perform the method of any of claims 1 to 6.

9. A computer-readable storage medium having computer-executable instructions stored thereon, which when executed by a processor, are configured to implement the method of any one of claims 1 to 6.

10. A computer program product, characterized in that the computer program realizes the method of any one of claims 1 to 6 when executed by a processor.

Background

In recent years, with rapid development of the oil industry, facilities such as a large number of oil and gas piping systems and oil tanks are put into operation one after another, and the scale and the number of facilities are increasing. The oil and gas station refers to various well sites and various functional stations for collecting and conveying oil and gas in oil and gas gathering and transportation engineering. The lightning disaster is a meteorological disaster which emits high current in a short time, and for an oil and gas station, no matter crude oil, finished oil or natural gas belong to flammable and explosive dangerous goods, the lightning disaster can cause great harm to the oil and gas station.

At present, in consideration of the damage of lightning to an oil and gas station, researchers can conduct safety research on real lightning disaster data occurring in the oil and gas station, but corresponding data can be collected only after the lightning disaster occurs, and a large number of real lightning cases are needed to be used for system analysis.

However, the above research mode is based on a large amount of real lightning disaster data, the workload is large, the working efficiency is too low, and the evaluation result is inaccurate due to the dependence on the subjective evaluation of researchers.

Disclosure of Invention

The invention provides a lightning accident early warning method, device, equipment and storage medium for an oil and gas station, which are used for solving the problems of large workload and low efficiency of the conventional safety research of the oil and gas station.

In a first aspect, the invention provides a lightning accident early warning method for an oil and gas station, which comprises the following steps:

acquiring target component information corresponding to an oil and gas station power system;

establishing an equivalent circuit model corresponding to the power system according to the target component information and the corresponding connection relation;

carrying out a lightning stroke simulation test on the equivalent circuit model to obtain lightning stroke test data;

evaluating whether the oil and gas station power system is safe to operate under the lightning condition according to the lightning stroke test data;

and if not, generating the lightning accident early warning information of the oil and gas station.

In a second aspect, the present invention provides a lightning accident early warning device for an oil and gas station, comprising:

the acquisition unit is used for acquiring target component information corresponding to an oil and gas station power system;

the construction unit is used for establishing an equivalent circuit model corresponding to the power system according to the target component information and the corresponding connection relation;

the test unit is used for carrying out a lightning stroke simulation test on the equivalent circuit model to obtain lightning stroke test data;

the information generation unit is used for evaluating whether the oil and gas station power system runs safely under the lightning condition according to the lightning stroke test data; and if not, generating the lightning accident early warning information of the oil and gas station.

In a third aspect, the present invention provides an electronic device comprising: a memory, a processor;

the memory stores computer-executable instructions;

the processor executes computer-executable instructions stored by the memory, causing the processor to perform the method of the first aspect.

In a fourth aspect, the present invention provides a computer-readable storage medium, in which computer-executable instructions are stored, and when the computer-executable instructions are executed by a processor, the computer-executable instructions are used to implement the method according to the first aspect.

In a fifth aspect, an embodiment of the present invention provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the computer program implements the method described in the first aspect.

According to the method, the device, the equipment and the storage medium for early warning of the lightning accidents of the oil and gas station, target component information corresponding to an electric power system of the oil and gas station is obtained, an equivalent circuit model corresponding to the electric power system is established according to the target component information and the corresponding connection relation, a lightning stroke simulation test is carried out on the equivalent circuit model to obtain lightning stroke test data, whether the electric power system of the oil and gas station runs safely under the lightning condition is evaluated according to the lightning stroke test data, and if yes, early warning information is generated. Through simulation thunderbolt experiment, need not collect a large amount of real thunder and lightning calamity data, effectively reduce work load and improve work efficiency, avoid the error that manual judgement brought and miss the scheduling problem of reporting an emergency and asking for the analysis result is more accurate, still can generate early warning information suggestion user and take corresponding precautionary measure early.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic diagram of a first network architecture of a lightning accident early warning method for an oil and gas station provided by the invention;

FIG. 2 is a schematic flow chart of a lightning accident warning method for an oil and gas station provided by a first embodiment of the invention;

FIG. 3 is a schematic diagram of an equivalent circuit of a distribution room in the method for early warning of a lightning accident in an oil and gas station provided by the embodiment of the invention;

FIG. 4 is a schematic diagram of an equivalent circuit of a pump room in the lightning accident early warning method for an oil and gas station provided by the embodiment of the invention;

FIG. 5 is a schematic diagram of an equivalent circuit of a central control room in the method for early warning of a lightning accident in an oil and gas station provided by the embodiment of the invention;

FIG. 6 is a schematic diagram of an equivalent circuit of a monitoring system in the lightning accident early warning method for an oil and gas station provided by the embodiment of the invention;

FIG. 7 is a schematic flow chart of a lightning accident warning method for an oil and gas station provided by a second embodiment of the invention;

FIG. 8 is a schematic flow chart of a lightning accident warning method for an oil and gas station provided by a third embodiment of the invention;

FIG. 9 is a schematic structural diagram of a lightning accident warning device for an oil and gas station provided in an embodiment of the present invention;

FIG. 10 is a first block diagram of an electronic device for implementing a method for lightning incident early warning at an oil and gas station site according to an embodiment of the invention;

fig. 11 is a second block diagram of an electronic device for implementing a method for lightning accident warning at an oil and gas station site according to an embodiment of the present invention.

Reference numerals:

31-cable 32-voltmeter 33-transformer 34-generator stator 35-generator rotor 41-pump 51-computer 61-camera

With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

In the prior art, for lightning disaster analysis of an oil and gas station, researchers generally perform safety assessment by analyzing a large number of real cases, the analysis scheme is based on multiple real lightning accidents in the past, and the researchers collect a large number of real lightning data in advance. Researchers conduct research on lightning disasters of some systems in a station, such as facilities of an instrument system, an electric power system and the like, quantitative calculation and analysis can be conducted to obtain an evaluation result of the safety of the oil and gas station circuit, some improvement measures are provided, and the process also needs the researchers to conduct subjective prediction and conduct judgment and analysis according to past experience.

In the prior art, the number of lightning accident cases of an oil and gas station is limited, a large amount of time is needed for data collection by researchers, the workload is large, and the working efficiency is influenced. And researchers rely on subjective prediction and past experience to study the oil and gas station, and the viewpoint and experience of each researcher are different, so that the accuracy of the analysis result is influenced.

Therefore, the technical problems that the research process in the prior art depends on a large amount of real lightning disaster data, the workload is large, the working efficiency is too low, and the analysis result is not accurate enough are solved.

The inventor finds that an equivalent circuit model can be automatically established based on target component information of an oil and gas station electric power system in the research, further simulates a lightning stroke test to obtain test data, and then evaluates whether the electric power system is safe or not according to the lightning stroke test data. The method is independent of manual work, and the analysis result is more accurate.

Therefore, the inventor proposes a technical scheme of the embodiment of the invention based on the above creative discovery. The application scenario of the lightning accident early warning method for the oil and gas station provided by the embodiment of the invention is introduced below.

As shown in fig. 1, the application scenario corresponding to the method for early warning of a lightning accident in an oil and gas station provided by the embodiment of the invention may be as follows: before a design engineer completes the design of at least one oil and gas station site electric power system but before each oil and gas station site electric power system is not established, initial component information of each oil and gas station site electric power system is stored in a database or an external server 2 in advance. The electronic equipment 1 screens the initial component information to obtain target component information of the power system, an equivalent power model corresponding to the power system is established according to the target component information and the connection relation, a lightning stroke test is carried out on the model to obtain lightning stroke test data, whether the power system runs safely under the lightning condition is evaluated according to the lightning stroke test data, if not, lightning accident early warning information of the oil and gas station is generated, and the actual power system is constructed after the power system of the oil and gas station is optimized. Or the application scene can also be: the method comprises the steps that at least one oil and gas station electric power system is built, initial assembly information of each oil and gas station electric power system is stored in a database or an external server 2 in advance, electronic equipment 1 screens the initial assembly information to obtain target assembly information of the electric power system, an equivalent electric power model corresponding to the electric power system is built according to the target assembly information and a connection relation, a lightning stroke test is conducted on the model to obtain lightning stroke test data, whether the electric power system runs safely under a lightning condition is evaluated according to the lightning stroke test data, if not, lightning accident early warning information of the oil and gas station is generated, and an oil and gas station circuit system is adjusted to enable the oil and gas station circuit system to meet safety standards. In both application scenarios, the electronic device 1 and the database or external server 2 may be included. A client corresponding to the oil and gas station lightning accident early warning method is pre-installed in the electronic device 1. A plurality of pieces of preset initial assembly information of the oil and gas station yard are stored in the server 2 in advance. The method comprises the steps that an oil and gas station electric power system list is displayed on an operation interface of a client, the oil and gas station electric power system list comprises a plurality of oil and gas station electric power system identifications, a user can select any oil and gas station electric power system identification in the list to trigger an oil and gas station electric power system evaluation request, when the user triggers the oil and gas station electric power system evaluation request through the operation interface of the client, the electronic equipment 1 analyzes the electric power system evaluation request to obtain identification information of the oil and gas station electric power system, the electronic equipment 1 obtains initial component information of the oil and gas station electric power system corresponding to the identification information through an access server 2, the initial component information is screened, and target component information of the oil and gas station electric power system is obtained. And establishing an equivalent circuit model corresponding to the power system according to the target component information and the corresponding connection relation. And then the electronic equipment 1 carries out a lightning simulation test on the equivalent circuit model to obtain lightning test data, and further evaluates whether the oil and gas station power system is safe to operate under the lightning condition according to the lightning test data, if not, the electronic equipment 1 generates the early warning information of the lightning accident of the oil and gas station.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 2 is a schematic flow chart of a lightning accident early warning method for an oil and gas station provided in a first embodiment of the present invention, and as shown in fig. 2, an execution main body of the lightning accident early warning method for an oil and gas station provided in this embodiment is an oil and gas station lightning accident early warning device, and the oil and gas station lightning accident early warning device is located in an electronic device, and the oil and gas station lightning accident early warning method provided in this embodiment includes the following steps:

step 101, obtaining target component information corresponding to an oil and gas station power system.

In this embodiment, the target components include valuable equipment, vulnerable equipment, difficult-to-repair equipment, equipment which has a large influence on production and life after being damaged, and the like in the oil and gas station yard. Before modeling, an arrangement diagram of an oil and gas station needs to be obtained, target component information is obtained from the arrangement diagram, and particularly, valuable equipment, easily damaged equipment, difficultly maintained equipment and equipment which has a large influence on production and life after being damaged in each functional area in an oil and gas station system are determined through the arrangement diagram. The functional area is set according to actual conditions and comprises a distribution room, a pump room, a central control room and a monitoring system, but is not limited to the distribution room, the pump room, the central control room and the monitoring system.

The target component information comprises an identification of the valuable equipment, an identification of the easily damaged equipment, an identification of the difficultly maintained equipment and an identification of the equipment which has a large influence on life after being damaged, wherein the equipment identification comprises an equipment name, an equipment code and the like.

The valuable equipment is equipment with high economic value or high replacement cost, and when the equipment is damaged in a lightning disaster, the replacement of the equipment can cause great economic loss, so the equipment is regarded as important equipment and is paid attention in the evaluation process. Vulnerable equipment refers to equipment that has a relatively low breakdown voltage for the whole or some of its components or that is more vulnerable to damage than other equipment when subjected to pulsed power from the power system, and also includes outdoor equipment that is prone to lightning strikes. The equipment difficult to repair is equipment which is damaged, has a fault and needs to be repaired for a long time. The damaged equipment with large influence on production and life plays a key role in the whole oil and gas station power system, once the equipment fails and cannot work, the oil and gas station power system can be seriously influenced, and the oil and gas station can be stopped in serious conditions.

Specifically, in this embodiment, as an optional implementation manner, before acquiring a target component of an oil and gas station, identification information of target components of all types may be stored in advance, when acquiring a target component of an oil and gas station, comparing a component identification of the oil and gas station with identification information of target components of all types stored in advance, and if the component identification matches with identification information of a certain target component stored in advance, extracting the component information in the oil and gas station as target component information.

And 102, establishing an equivalent circuit model corresponding to the power system according to the target component information and the corresponding connection relation.

In this embodiment, an equivalent circuit diagram of each functional area is established based on information of each target component in the functional area and a connection relationship corresponding to each target component, and then a corresponding equivalent circuit model is established according to the equivalent circuit diagram of each functional area and the connection relationship corresponding to each functional area.

Each functional area includes distribution room, pump room, central control room and monitored control system in this embodiment, and the target subassembly that the distribution room corresponds includes generator, transformer, and the generator is used for providing the production life electricity consumption in oil gas station field, and the electric energy that the generator produced may have unstability, the great scheduling problem of voltage, so the electric energy that the generator produced need reduce the input oil gas station field power supply system after the rectification through the transformer.

As shown in fig. 3, the target assembly corresponding to the distribution room includes: transformer, generator, cable and voltmeter. The equivalent circuit of the distribution room comprises a cable 31, a voltmeter 32, a transformer 33, a generator stator 34 and a generator rotor 35. Considering that the power supply cable is long, if the self resistance of the power supply cable is neglected, a large error can be caused, so that a pi-type circuit element model cable is added at the current inflow part of the functional area, and the influence possibly brought by the self resistance of the cable is simulated. The voltmeter is used for measuring the voltage value of generator, generator. The generator comprises a stator and a rotor, and the stator and the rotor are respectively connected with a voltmeter. The transformer is simplified into three capacitors, the left side is a high-voltage end, the right side is a low-voltage end, the intermediate current is used for rectification, and the high-voltage end and the low-voltage end are respectively connected with a voltmeter. Considering that the amplitude of voltage generated after lightning strikes the ground is up to ten thousands of volts, the domestic electricity in an oil and gas station is generally 220V, the production electricity is generally 380V, and the voltage caused by lightning stroke is basically negligible, so that a corresponding power supply model is not arranged in the model.

As shown in fig. 4, the target assembly corresponding to the pump room includes: pumps, cables, and voltage meters. The pump house equivalent circuit includes a plurality of pumps 41, a cable 31, and a voltmeter 32, wherein three pumps are taken as an example in the present embodiment, three RL elements connected in parallel are provided to indicate three pumps connected in parallel, R may be set to 1 Ω, and L may be set to 0.001mH, or other suitable values may be provided. It should be noted that the physical meaning of the parallel connection mentioned in this embodiment is to describe the connection manner of the power supplies of the three pumps, and does not indicate the working relationship of the three pump bodies. An oil pump, a compressor and the like are generally arranged in a pump room, the working principle of the oil pump and the compressor is similar to that of a generator, a generator model can be selected to replace an equipment model in the pump room, and the seed pump and the compressor can be collectively called as a pump in the model building process. And a neutral point, namely a circuit zero point, is arranged on the right side of the pump room. Each pump is connected with a voltmeter for measuring the influence of lightning strike on the pump.

As shown in fig. 5, the target assembly corresponding to the central control room includes: computer, cable and voltmeter. The central control room equivalent circuit diagram includes a plurality of computers 51, cables 31 and a voltmeter 32, and some of the computers are not shown in fig. 5. In consideration of different working purposes of the computers, for example, some computers are used for video monitoring, a part of the computers are used for remote monitoring, a part of the computers are used for data monitoring, different computers are powered by different power supplies, and the computers are connected in series and in parallel during modeling. Each RLC system is modeled by a computer, and R ═ 1 Ω, L ═ 0.001mH, and C ═ 0.0001 μ F may be set, or other suitable values may be set. The rightmost side of the first tier of devices has 1 additional RLC master representing the device access neutral. And respectively arranging a voltmeter at one end of each row closest to the power supply, and testing the lightning stroke influence of each row of equipment.

As shown in fig. 6, the target component corresponding to the monitoring system includes: camera, cable and voltmeter. The monitoring system equivalent circuit diagram includes a plurality of cameras 61, cables, and a plurality of voltage meters. The monitoring system takes a camera as an example, the camera equivalent circuit comprises a camera, a cable and a voltmeter, wherein the camera is replaced by an inductive element, and L can be set to be 1mH or other suitable values. Every camera is connected a voltmeter, and the voltmeter can be used to detect the camera and receive the influence of thunderbolt.

In addition, the oil and gas station field target assembly further comprises a lightning rod, an anti-electrophoresis device, a lightning arrester and the like, and the lightning rod, the anti-electrophoresis device, the lightning arrester and the like can be added in the equivalent circuit model according to the situation during modeling.

Further, an equivalent circuit model corresponding to the power system is established based on the equivalent circuit diagrams of the functional areas and corresponding connection relations, wherein the connection relations comprise parallel connection, and the functional areas are connected in parallel to form the corresponding equivalent circuit model.

And 103, carrying out a lightning stroke simulation test on the equivalent circuit model to obtain lightning stroke test data.

In the embodiment, after the equivalent model is established, the simulated lightning stroke test is performed, a target lightning stroke point is selected firstly, a target component is selected from each functional area as the target lightning stroke point, the lightning stroke test is performed, specifically, a pulse current simulated lightning is established, a plurality of target lightning stroke points are set for more comprehensive analysis, and a plurality of lightning stroke test data are further obtained.

And 104, evaluating whether the oil and gas station power system runs safely under the lightning condition according to the lightning stroke test data.

In the embodiment, the lightning stroke test data are analyzed, the numerical value of each voltmeter in the equivalent circuit model after lightning stroke is obtained, the voltage value corresponding to each voltmeter is further obtained, and whether the power system runs safely under the lightning condition is evaluated according to the voltage value.

And 105, if not, generating lightning accident early warning information of the oil and gas station.

In this embodiment, if the power system is unsafe to operate under the lightning condition, the lightning accident early warning information of the oil and gas station is further generated to prompt a user that the current power system of the oil and gas station is damaged when the lightning accident occurs, and the power system needs to be improved.

According to the lightning accident early warning method for the oil and gas station, the target component information corresponding to the electric power system of the oil and gas station is obtained, the equivalent circuit model corresponding to the electric power system is established according to the target component information and the corresponding connection relation, lightning stroke is further simulated, a lightning stroke simulation test is carried out on the equivalent circuit model, lightning stroke test data are obtained, and whether the electric power system runs safely under the lightning condition or not is evaluated according to the lightning stroke test data. Through simulation thunderbolt experiment, need not to collect a large amount of real thunder and lightning calamity data, effectively reduce work load and improve work efficiency, avoid the error that manual judgement brought and miss alarm scheduling problem for the analysis result is more accurate, still can generate early warning information suggestion user and take corresponding precautionary measure early.

In this embodiment, step 101 includes the following steps:

step 100a, obtaining initial assembly information corresponding to an oil and gas station electric power system.

In this embodiment, an arrangement diagram of an oil and gas station is obtained, where the arrangement diagram includes information of initial components of each functional area, and the initial components include valuable devices, devices that are easily damaged, devices that are difficult to repair, devices that have a large impact on production and life after being damaged, non-valuable devices, devices that are not easily damaged, devices that are easy to repair, devices that have a small impact on production and life after being damaged, and the like. The initial component information includes device identifiers, where the device identifiers include device names, device codes, and the like.

And step 100b, screening the initial component information according to a preset strategy to obtain target component information corresponding to the oil and gas station power system.

In this embodiment, in order to reduce workload during modeling, initial component information may be screened, and the preset policy may be set according to an actual situation, where the preset policy in this embodiment is to keep valuable devices, devices that are easily damaged, devices that are difficult to repair, devices that have a large impact on production and life after being damaged, and remove non-valuable devices, devices that are not easily damaged, devices that are easy to repair, and devices that have a small impact on production and life after being damaged. And finally, the valuable equipment, the easily damaged equipment, the equipment difficult to maintain and the equipment identifier which has a large influence on production and life after being damaged are used as target component information. And some devices are selectively removed under the condition of not influencing the whole modeling, so that the workload in modeling can be reduced.

Optionally, a mapping relationship between the device identifier and the device affiliation is pre-established, wherein the device identifier includes a device name, a device code and the like, the device identifier is obtained from the obtained layout chart of the oil and gas station, the device identifier is determined according to the device identifier and the mapping relationship, the device affiliation is determined, and the device which cannot be affiliated is removed from the valuable device, the device which is easy to damage or the device which is difficult to maintain or the device which has a large influence on life after being damaged, and the device which cannot be affiliated includes non-valuable devices, devices which are difficult to damage, devices which are easy to maintain and devices which have a small influence on production and life after being damaged.

Fig. 7 is a schematic flow chart of a lightning accident early warning method for an oil and gas station provided in a second embodiment of the present invention, and as shown in fig. 7, in the lightning accident early warning method for an oil and gas station provided in this embodiment of the present invention, step 103 is further refined on the basis of the lightning accident early warning method for an oil and gas station provided in the above embodiment of the present invention, and then step 103 includes the following steps:

and step 1031, selecting at least one target assembly as a target lightning stroke point in the equivalent circuit model, and selecting a lightning stroke mode.

In the embodiment, at least one target component in the functional area is selected as a target lightning stroke point in the equivalent circuit model, and if a central control room is selected as the target lightning stroke point, the lightning stroke position is a cable position connected with a computer in the central control room; if the distribution room is selected as a target click point, the lightning stroke position is the cable connected with the generator; if the pump room is selected as a target lightning stroke point, the lightning stroke position is a cable position connected with the pump body; and if the monitoring system is selected as a target lightning stroke point, the lightning stroke position is the cable connected with the camera. And establishing a model by using a circuit simulation simulator (in English, ATP Draw) and simulating the occurrence of the lightning disaster.

The lightning stroke modes comprise single-phase lightning stroke, two-phase lightning stroke and three-phase lightning stroke, wherein the single-phase lightning stroke is larger in damage to the target assembly compared with the two-phase lightning stroke and the three-phase lightning stroke, the three-phase lightning stroke and the two-phase lightning stroke can carry out voltage division processing on voltage, the damage to the target assembly is not large in damage to the target assembly caused by the single phase lightning stroke, different lightning stroke modes can be selected according to requirements for analysis, and the simulation part in the embodiment selects the single-phase lightning stroke for lightning stroke test.

And 1032, generating a lightning signal according to the preset pulse current.

In this embodiment, the preset pulse current may be set to 10000A, and the peak time is t_p＝1.2×10^-6s, half peak time t_h＝5×10^-5And s, other suitable values can be adopted, and the position of the pulse power supply can be directly adjusted in the model to simulate different lightning stroke positions so as to further generate a lightning signal.

And 1033, triggering a simulated lightning stroke test at the target lightning stroke point according to the selected lightning stroke mode by adopting the lightning signal to obtain lightning stroke test data, wherein the lightning stroke test data comprises the voltage of each target component in the equivalent circuit model.

In the embodiment, a lightning stroke test is simulated at a lightning stroke position corresponding to a target lightning stroke point according to a selected lightning stroke mode by adopting a lightning signal, so that lightning stroke test data are obtained, the lightning stroke test data are analyzed, and the voltage of each target component in the equivalent circuit model is further obtained and analyzed.

Fig. 8 is a schematic flow chart of a lightning accident early warning method for an oil and gas station provided in a third embodiment of the present invention, and as shown in fig. 8, the lightning accident early warning method for an oil and gas station provided in this embodiment further refines step 104 on the basis of the lightning accident early warning method for an oil and gas station provided in the above embodiment of the present invention, and then step 104 includes the following steps:

step 1041, obtaining the maximum voltage of each target component and the breakdown voltage of each target component in the equivalent circuit model.

In this embodiment, a lightning strike point emits high voltage and high current in a short time, and the current and/or the voltage are analyzed to determine whether the equivalent circuit mode of the oil and gas station field meets the safety standard.

The breakdown voltage is a voltage at which a dielectric breaks down, the dielectric loses its dielectric properties to become a conductor under the action of a sufficiently strong electric field, and the breakdown voltage is called dielectric breakdown.

In step 1042, the maximum voltage of each target element is compared to the breakdown voltage of each target element.

In this embodiment, the maximum voltage of each target component is compared with the breakdown voltage of each target component, for example, the maximum voltage of the generator in the distribution room after lightning striking is compared with the breakdown voltage of the generator.

And 1043, evaluating whether the oil and gas station runs safely under the lightning condition according to the comparison result.

In the embodiment, whether the oil and gas station runs safely under the lightning condition is evaluated according to the comparison result of the maximum voltage of each target assembly and the breakdown voltage of each target assembly, and if the power system runs unsafe under the lightning condition, a lightning rod, an anti-electrophoresis device, a lightning receptor and the like can be added according to the situation.

As an alternative implementation manner, in this embodiment, step 1043 includes the following steps:

step 201, if the maximum voltage of any target component is greater than the breakdown voltage of the target component, determining that the power system does not pass the safety evaluation, and optimizing the equivalent circuit model.

In this embodiment, if the maximum voltage of any one target component is greater than the breakdown voltage of the target component, it is indicated that the target component is seriously affected by lightning strike, the existing power system is unsafe, it is determined that the power system does not pass safety evaluation, and further, an equivalent circuit model corresponding to the power system is optimized. Optimizing the equivalent circuit model may reduce the impact of lightning strikes on the target component.

Step 202, if the maximum voltage of each target assembly is smaller than the breakdown voltage of the corresponding target assembly, determining that the oil and gas station power system passes safety evaluation

In this embodiment, if the maximum voltage of each target component is less than the breakdown voltage corresponding to each target component, it indicates that the target component is not greatly affected by the lightning strike, and the existing power system may pass the safety assessment.

On the basis of the method for early warning the lightning accident of the oil and gas station, which is provided by the embodiment of the invention, the optimization of the equivalent circuit model in the step 201 is further refined, and then the step 201 comprises the following steps:

and 200a, selecting a corresponding lightning protection strategy according to the target lightning stroke point, and adjusting the equivalent circuit model according to the lightning protection strategy.

In this embodiment, a corresponding lightning protection strategy may be established based on different lightning strike points, as shown in table 1, if a distribution room is selected as a target lightning strike point, a lightning strike position is a cable connected to the distribution room, and a voltage of a generator rotor in the distribution room, a voltage of a generator stator, a voltage of a transformer, a voltage of a pump in a pump room, a voltage of a computer in a central control room, and a voltage of a camera in a monitoring system are further read. In table 1, the maximum voltage of the generator rotor in the distribution room, the maximum voltage of the generator stator, the maximum voltage of the transformer, the maximum voltage of the pump in the pump room, the maximum voltage of the computer in the central control room, and the maximum voltage of the camera in the monitoring system are shown. When the distribution room is used as a target lightning stroke point, after lightning stroke is simulated, the maximum voltage of a rotor and a stator of the generator is far larger than the breakdown voltage of the generator, and the maximum voltage of a high-voltage end of the transformer is far larger than the breakdown voltage of the transformer, which indicates that the generator and the transformer are most seriously damaged, and the transformer plays a buffering role and has little influence on a pump, a computer and a camera. In this embodiment, corresponding lightning protection strategies may be preset for different lightning strike points, and taking a distribution room as an example, the lightning protection strategy corresponding to the distribution room includes performing voltage reduction processing and optimized grounding on a generator and a transformer.

TABLE 1 lightning strike Effect

Please refer to table 1, if the monitoring system is selected as a target lightning strike point, the lightning strike position is a cable connected to the camera, after the lightning strike is simulated, the maximum voltage of the rotor and the stator of the generator is far greater than the breakdown voltage of the generator, the maximum voltage of the high-voltage end of the transformer is far greater than the breakdown voltage of the transformer, the maximum voltages of the pump, the computer and the camera are all greater than the breakdown voltages corresponding to the maximum voltages, which indicates that each functional area is damaged by the lightning strike, the lightning protection strategy corresponding to the monitoring system includes increasing lightning protection facilities such as a lightning arrester and a lightning receptor, and the equivalent circuit can be improved according to the lightning protection strategy, so that the existing power system is improved according to the equivalent circuit, and the influence on other devices in the oil and gas station power system after the monitoring system is directly struck by the lightning is reduced.

If a pump room is selected as a target lightning stroke point, the lightning stroke position is a cable position connected with a pump, after lightning stroke simulation, the maximum voltage of a rotor of the generator and the maximum voltage of a stator of the generator are larger than the breakdown voltage of the generator, the maximum voltage of a high-voltage end of a transformer is larger than the breakdown voltage of the transformer, the maximum voltages of the pump, a computer and a camera are all larger than the breakdown voltages corresponding to the pump, the fact that each functional area is damaged by lightning stroke is shown, lightning protection strategies corresponding to the pump room comprise lightning protection facilities such as a lightning arrester and a lightning arrester, an equivalent circuit can be improved according to the lightning protection strategies, the existing power system is improved according to the equivalent circuit, and the influence of the pump room on other equipment in an oil and gas station field after being directly struck.

If the central control room is used as a target lightning stroke point, the lightning stroke position is a cable connected with a computer, after lightning stroke simulation, the maximum voltage of a rotor of the generator and the maximum voltage of a stator of the generator are smaller than the breakdown voltage of the generator, the maximum voltage of a high-voltage end and a low-voltage end of a transformer are smaller than the breakdown voltage of the transformer, and the maximum voltage of a pump, a computer and a camera are smaller than the breakdown voltage of the pump, the computer and the camera respectively.

And 200b, carrying out a lightning stroke simulation test on the adjusted equivalent circuit model to obtain lightning stroke test data, wherein the lightning stroke test data comprises the voltage of each target component in the equivalent circuit model.

In this embodiment, the equivalent circuit is adjusted according to the lightning protection strategy corresponding to the target lightning strike point, a lightning strike simulation test is performed on the adjusted equivalent circuit model to obtain lightning strike test data, the lightning strike test data is analyzed, and the voltage of each target component is obtained and analyzed.

Step 200c, comparing the maximum voltage of each target component with the breakdown voltage of each target component.

In this embodiment, the maximum voltage value of each target component is compared with the breakdown voltage of each target component, so as to determine whether the equivalent circuit needs to be adjusted again.

And 200d, if the maximum voltage of each target assembly is smaller than the breakdown voltage of each target assembly, taking the adjusted equivalent circuit model as an optimal circuit model, and outputting the optimal circuit model.

In this embodiment, if the maximum voltage of each target component is all less than the breakdown voltage corresponding to each target component, it is indicated that the adjusted equivalent circuit model meets the safety standard, the adjusted equivalent circuit model is used as the optimal circuit model, and the optimal circuit model is output, so that a user can adjust the oil and gas station field circuit according to the optimal circuit model.

And 200e, if the maximum voltage of any target assembly is greater than the breakdown voltage of the target assembly, executing the step of adjusting the equivalent circuit model according to a preset lightning protection measure, and stopping adjusting the equivalent circuit model until the voltage of each target assembly is less than the breakdown voltage of each target assembly.

In this embodiment, if the maximum voltage of any one target component is greater than the breakdown voltage of the target component, which indicates that the adjusted equivalent circuit model does not meet the safety standard, the equivalent circuit model continues to be adjusted according to the lightning protection strategy until the maximum voltage of all the target components is less than the breakdown voltage of each target component, and the equivalent circuit model meeting the safety standard is taken as the optimal circuit model.

In this embodiment, the lightning protection strategy is adopted to adjust the equivalent circuit which does not conform to the safety standard, the adjusted equivalent circuit model is subjected to a simulated lightning stroke test again, lightning stroke test data is analyzed, if the maximum voltage of each target component is smaller than the breakdown voltage of each target component, the adjusted equivalent circuit model is an optimal circuit model, the optimal model adopts the appropriate lightning protection strategy, each target component is protected, the influence of lightning strokes on each target component is minimized, and the optimal circuit model which conforms to the safety standard is finally obtained.

Fig. 9 is a schematic structural diagram of an oil and gas station lightning accident early warning device 300 according to an embodiment of the present invention, and as shown in fig. 9, the oil and gas station lightning accident early warning device according to the embodiment includes an obtaining unit 301, a constructing unit 302, a testing unit 303, and an information generating unit 304.

The obtaining unit 301 is configured to obtain target component information corresponding to an oil and gas station electric power system. The building unit 302 is configured to build an equivalent circuit model corresponding to the power system according to the target component information and the corresponding connection relationship. And the test unit 303 is used for performing a lightning stroke simulation test on the equivalent circuit model to obtain lightning stroke test data. The information generation unit 304 is used for determining whether the power system meets the safety standard according to the lightning stroke test data; and if the electric power system does not meet the safety standard, generating the lightning accident early warning information of the oil and gas station.

The lightning accident early warning device for an oil and gas station provided by this embodiment may implement the technical scheme of the method embodiment shown in fig. 3, and the implementation principle and technical effect thereof are similar to those of the method embodiment shown in fig. 3, and are not described in detail herein.

Optionally, the obtaining unit 301 includes a first obtaining module, and the screening module:

the first acquisition module is used for acquiring initial component information corresponding to the oil and gas station power system. And the screening module is used for screening the initial component information according to a preset strategy to obtain target component information corresponding to the oil and gas station power system.

Optionally, the test unit 303, comprises: the device comprises a selection module, a signal generation module and a lightning stroke simulation module.

The selection module is used for selecting at least one target assembly as a target lightning stroke point in the equivalent circuit model and selecting a lightning stroke mode. And the signal generation module is used for generating a lightning signal according to the preset pulse current. And the lightning stroke simulation module is used for triggering a lightning stroke simulation test at a target lightning stroke point according to the selected lightning stroke mode by adopting a lightning signal to obtain lightning stroke test data, wherein the lightning stroke test data comprises the voltage of each target component in the equivalent circuit model.

Optionally, the information generating unit 304 is further configured to obtain a maximum voltage of each target component and a breakdown voltage of each target component in the equivalent circuit model. And also for comparing each target component maximum voltage with each target component breakdown voltage. And the system is also used for evaluating whether the oil and gas station is safe to operate under the lightning condition according to the comparison result.

Optionally, the information generating unit 304 is further configured to determine that the power system fails to pass the safety evaluation and optimize the equivalent circuit model if the maximum voltage of any target component is greater than the breakdown voltage of the target component; and if the maximum voltage of each target assembly is smaller than the breakdown voltage of the corresponding target assembly, determining that the oil and gas station power system passes safety evaluation.

Optionally, the information generating unit 304 includes: and an optimization unit.

The optimization unit is used for selecting a corresponding lightning protection strategy according to the target lightning stroke point and adjusting the equivalent circuit model according to the lightning protection strategy; carrying out a lightning stroke simulation test on the adjusted equivalent circuit model to obtain lightning stroke test data; comparing the maximum voltage of each target component with the breakdown voltage of each target component; if the maximum voltage of each target assembly is smaller than the breakdown voltage of each target assembly, the adjusted equivalent circuit model is used as an optimal circuit model, and the optimal circuit model is output; and if the maximum voltage of any target component is greater than the breakdown voltage of the target component, executing the step of adjusting the equivalent circuit model according to a preset lightning protection measure, and stopping adjusting the equivalent circuit model until the maximum voltage of each target component is less than the breakdown voltage of each target component.

Fig. 10 is a first block diagram of an electronic device for implementing a lightning accident warning method for an oil and gas station, according to an embodiment of the present invention, as shown in fig. 10, the electronic device 400 includes: memory 401, processor 402.

Memory 401 stores computer-executable instructions;

the at least one processor 402 executes the computer-executable instructions stored by the memory, causing the at least one processor to perform the method provided by any one of the first through third embodiments.

Fig. 11 is a second block diagram of an electronic device for implementing the method for early warning of a lightning accident in an oil and gas station, as shown in fig. 11, the electronic device may be a computer, a digital broadcast terminal, a messaging device, a tablet device, a personal digital assistant, a server cluster, or the like.

The electronic device 500 may include one or more of the following components: processing component 502, memory 504, power component 506, multimedia component 508, audio component 510, input/output (I/O) interface 512, sensor component 514, and communication component 516.

The processing component 502 generally controls overall operation of the electronic device 500, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 502 may include one or more processors 520 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 502 can include one or more modules that facilitate interaction between the processing component 502 and other components. For example, the processing component 502 can include a multimedia module to facilitate interaction between the multimedia component 508 and the processing component 502.

The memory 504 is configured to store various types of data to support operations at the electronic device 500. Examples of such data include instructions for any application or method operating on the electronic device 500, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 504 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The power supply component 506 provides power to the various components of the electronic device 500. The power components 506 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the electronic device 500.

The multimedia component 508 includes a screen that provides an output interface between the electronic device 500 and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 508 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the electronic device 500 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

The audio component 510 is configured to output and/or input audio signals. For example, the audio component 510 includes a Microphone (MIC) configured to receive external audio signals when the electronic device 500 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 504 or transmitted via the communication component 516. In some embodiments, audio component 510 further includes a speaker for outputting audio signals.

The I/O interface 512 provides an interface between the processing component 502 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

The sensor assembly 514 includes one or more sensors for providing various aspects of status assessment for the electronic device 500. For example, the sensor assembly 514 may detect an open/closed state of the electronic device 500, the relative positioning of components, such as a display and keypad of the electronic device 500, the sensor assembly 514 may detect a change in position of the electronic device 500 or a component of the electronic device 500, the presence or absence of user contact with the electronic device 500, orientation or acceleration/deceleration of the electronic device 500, and a change in temperature of the electronic device 500. The sensor assembly 514 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 514 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 514 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 516 is configured to facilitate wired or wireless communication between the electronic device 500 and other devices. The electronic device 500 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 516 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 516 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

In an exemplary embodiment, the electronic device 500 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.

In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 504 comprising instructions, executable by the processor 520 of the electronic device 500 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

A computer readable storage medium, wherein instructions when executed by a processor of an electronic device, enable a terminal device to perform a method for early warning of a lightning accident at an oil and gas station of the electronic device.

In an exemplary embodiment, a computer program product is also provided, comprising a computer program for execution by a processor of the method of any of the above embodiments.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.