1. The online technical state control system based on the digital twin product is characterized by comprising a data acquisition terminal, a cloud database, an operation and maintenance center, a maintenance terminal and a control terminal;

the data acquisition terminal is used for acquiring the on-line working state values of the product, and the state values comprise an equipment output value, a use energy consumption value and an equipment temperature value;

the cloud database stores product technical state data and provides equipment use data for the operation and maintenance center;

the operation and maintenance center is used for processing various data and comparing the data with internal data of the cloud database so as to determine the operation condition of the equipment;

the maintenance terminal is used for assigning a designated operator to maintain the equipment so as to enable the equipment to work normally;

the control terminal is in wireless connection with the equipment, and the control terminal controls the working state of the equipment.

2. The online technical state management and control system for digital twin-based products according to claim 1, wherein the operation and maintenance center comprises a data receiving module, a data processing module, a threshold module, a comparison module and a data sending module;

the data receiving module is used for receiving data collected in the data collecting terminal, the data processing module is used for processing the data, the threshold value module is used for confirming whether external data exceeds the range, the comparison module is used for comparing corresponding numerical values, and the data sending module is used for sending instructions to the control terminal.

3. The online technical state management and control system for digital twin-based products according to claim 2, wherein the data processing module processes data according to the following steps:

step one, a data receiving module transmits received data to a data processing module, an output value of a certain device is set as Si, a used energy consumption value is set as Yi, a device temperature value is set as Wi, wherein i is a time value of different time periods, and i =1, 2, … …, n;

step two, adopting a formulaCalculating to obtain an average value Sm of the output of the equipment in a certain time period, and similarly calculating to obtain an average value Ym of the consumption energy and an average value Wm of the temperature of the equipment, wherein C1 is a preset proportionality coefficient;

step three: then using the formulaAnd calculating to obtain a state value Z of certain equipment, wherein A1, A2 and A3 are specific coefficient factors, and an interval threshold is arranged in the threshold module, so that the part of interval values to which the state value belongs is determined, and the running state of the equipment is determined.

4. The system for the online management and control of technical states of digital twin-based products according to claim 3, wherein the threshold module comprises the following steps:

a. three groups of interval values are arranged in the threshold module, wherein the three groups of interval values are classified into A, B and C respectively, and A > B > C;

b. setting and comparing the calculated state values, dividing the numerical value of (Z-1) by a threshold module, and determining which interval value the numerical value belongs to;

c. the operation state of the equipment is divided by A, B, C three types of interval values, the maintenance level is set to A, B, C three types of levels, and the data are transmitted to the outside through a data transmission module.

5. The online technical state management and control system for digital twin-based products according to claim 1, wherein the maintenance terminal internally comprises an equipment positioning module, a radius interval scanning module and a dispatching module;

the equipment positioning module accurately positions certain product equipment; the radius interval scanning module scans the specific radius value of the positioned equipment to scan whether maintenance personnel exist or not; the dispatching module dispatches an instruction to a mobile terminal of an external maintenance person.

6. The online technical state management and control system for digital twin-based products according to claim 5, wherein the dispatching step of the maintenance terminal is as follows:

the method comprises the following steps that firstly, an equipment positioning module positions certain fault equipment in advance, and a positioning central point is set to be Xi, wherein i is the certain fault equipment;

step two, the radius interval scanning module starts to work, scans an interval with the radius value of 50 meters, obtains the number of maintenance personnel by scanning, and distinguishes and marks each maintenance personnel as Pji, wherein i is the grade of the maintenance personnel, and j is the distance of the maintenance personnel;

and thirdly, the dispatching terminal divides the grades of the maintenance personnel, matches the corresponding maintenance grades with the corresponding maintenance personnel, and dispatches the maintenance personnel closest to the corresponding maintenance personnel to perform maintenance processing work through analysis of Pji data.

7. The online technical state management and control system for digital twin-based products according to claim 6, wherein the maintenance level of the maintenance personnel is judged according to the working experience of the maintenance personnel, the number of maintenance devices and the working time.

8. The online technical state management and control system for products based on digital twins as claimed in claim 1, wherein the control terminal is controlled by an external operator, and the control terminal is used for controlling the working states of various product devices.

Background

The digital twin is a digital mapping system which fully utilizes data such as physical models, sensor updating, operation history and the like, integrates a multidisciplinary, multi-physical quantity, multi-scale and multi-probability simulation process, and completes mapping in a virtual space so as to reflect the full life cycle process of corresponding entity equipment.

The invention patent with the patent publication number of CN112800668A provides a digital twin-based integrated overall model of operation, maintenance and manufacturing of complex products, which comprises an operation system module, a virtual maintenance unit module, a maintenance center module, a manufacturing plant module and a data platform module, and the invention also provides solutions of operation, maintenance and manufacturing integrated flow operation mode, modeling simulation, data fusion processing and the like based on the digital twin, discusses key technologies of intelligent diagnosis, fault prediction, data comprehensive perception, knowledge base/instance base construction and the like based on the digital twin, the invention enables the operation, maintenance and manufacturing information of complex products to be fused deeply, the operation, maintenance and manufacturing data to be fed back interactively, the combination of the operation, maintenance and manufacturing virtuality of the complex products is realized through the digital twin, more real-time, high-efficiency and intelligent integrated services are provided, the invention provides the operation mode of the digital twin-based complex products, the operation, maintenance and manufacturing model, the deep integration of the operation and maintenance and the manufacturing process of the complex product is realized, and the information isolated island phenomenon generated in the operation and maintenance and manufacturing links is eliminated.

When the system is used, the technical state value of the equipment cannot be accurately calculated due to the fact that part of data is not extracted, so that when the equipment is used, the internal technical state value is deviated, and when external personnel maintain the equipment, the efficiency is low, and meanwhile, the danger is easily increased.

Disclosure of Invention

In order to solve the problems existing in the scheme, the invention provides a product online technical state management and control system based on a digital twin.

The purpose of the invention is realized by the following technical scheme: the online technical state control system based on the digital twin product comprises a data acquisition terminal, a cloud database, an operation and maintenance center, a maintenance terminal and a control terminal;

the data acquisition terminal acquires the on-line working state values of the product, wherein the various state values comprise an equipment output value, a use energy consumption value and an equipment temperature value;

the cloud database stores product technical state data and provides equipment use data for the operation and maintenance center;

the operation and maintenance center processes various data and compares the data with internal data of the cloud database so as to determine the operation condition of the equipment;

the maintenance terminal assigns designated operators to maintain the equipment so that the equipment can work normally;

the control terminal is in wireless connection with various devices, and controls the working states of the various devices.

Preferably, the operation and maintenance center comprises a data receiving module, a data processing module, a threshold module, a comparison module and a data sending module;

the data receiving module is used for receiving data collected in the data collecting terminal, the data processing module is used for processing the data, the threshold module is used for confirming whether external data exceeds the range, the comparison module is used for comparing corresponding numerical values, and the data sending module is used for sending instructions to the control terminal.

Preferably, the data processing module processes the data as follows:

step one, a data receiving module transmits received data to a data processing module, an output value of a certain device is set as Si, a used energy consumption value is set as Yi, a device temperature value is set as Wi, wherein i is a time value of different time periods, and i =1, 2, … …, n;

step two, adopting a formulaCalculating to obtain an average value Sm of the output of the equipment in a certain time period, and similarly calculating to obtain an average value Ym of the consumption energy and an average value Wm of the temperature of the equipment, wherein C1 is a preset proportionality coefficient;

step three: then using the formulaAnd calculating to obtain a state value Z of certain equipment, wherein A1, A2 and A3 are specific coefficient factors, and an interval threshold is arranged in the threshold module, so that the part of interval values to which the state value belongs is determined, and the running state of the equipment is determined.

Preferably, the threshold module determines that:

a. three groups of interval values are arranged in the threshold module, wherein the three groups of interval values are classified into A, B and C respectively, and A > B > C;

b. setting and comparing the calculated state values, dividing the numerical value of (Z-1) by a threshold module, and determining which interval value the numerical value belongs to;

c. the operation state of the equipment is divided by A, B, C three types of interval values, the maintenance level is set to A, B, C three types of levels, and the data are transmitted to the outside through a data transmission module.

Preferably, the maintenance terminal internally comprises an equipment positioning module, a radius interval scanning module and a dispatching module;

the equipment positioning module accurately positions certain product equipment; the radius interval scanning module scans the specific radius value of the positioned equipment to scan whether maintenance personnel exist or not; the dispatching module dispatches an instruction to a mobile terminal of an external maintenance person.

Preferably, the step of dispatching the maintenance terminal is as follows:

the method comprises the following steps that firstly, an equipment positioning module positions certain fault equipment in advance, and a positioning central point is set to be Xi, wherein i is the certain fault equipment;

step two, the radius interval scanning module starts to work, scans an interval with the radius value of 50 meters, obtains the number of maintenance personnel by scanning, and distinguishes and marks each maintenance personnel as Pji, wherein i is the grade of the maintenance personnel, and j is the distance of the maintenance personnel;

and thirdly, the dispatching terminal divides the grades of the maintenance personnel, matches the corresponding maintenance grades with the corresponding maintenance personnel, and dispatches the maintenance personnel closest to the corresponding maintenance personnel to perform maintenance processing work through analysis of Pji data.

Preferably, the maintenance level of the maintenance personnel is judged according to the working experience of the maintenance personnel, the number of the maintenance devices and the working time.

Preferably, the control terminal is controlled by an external operator, and the control terminal controls the working states of various product devices.

Compared with the prior art, the invention has the beneficial effects that:

the data receiving module calculates an average output value of the internal equipment in a certain time period, and similarly calculates an average using energy consumption value Ym and an average equipment temperature value Wm, wherein C1 is a preset proportionality coefficient; then calculating to obtain a state value Z of certain equipment, and setting an interval threshold value in a threshold module so as to determine which part of interval value the state value belongs to, determine the running state of the equipment, divide the running state of the equipment, confirm the grade, enable the running state value of the equipment to be more accurate, and ensure that later-stage maintenance personnel can accurately know the running state of the equipment and carry out maintenance work on the equipment;

the equipment positioning module positions a certain fault equipment in advance, and sets a positioning central point as Xi; the radius interval scanning module starts to work, scans an interval with the radius value of 50 meters, and scans to obtain the number of maintenance personnel; the dispatching terminal divides the grades of maintenance personnel, matches the corresponding maintenance grades with the corresponding maintenance personnel, sends maintenance processing work to the maintenance personnel with the nearest distance through analysis to Pji data, thereby improving maintenance efficiency, judges the maintenance grades of the maintenance personnel according to the working experience of the maintenance personnel, the number of maintenance equipment and the working time, calculates the grade judgment comparison value, can better divide the maintenance personnel, compares the grade with the abnormal equipment grade, and ensures that the equipment maintenance efficiency is higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic block diagram of the present invention;

fig. 2 is a schematic frame diagram of the internal principle of the operation and maintenance center of the invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the online technical state management and control system for a product based on a digital twin comprises a data acquisition terminal, a cloud database, an operation and maintenance center, a maintenance terminal and a control terminal;

the data acquisition terminal acquires the on-line working state values of the products, and various state values comprise equipment output values, use energy consumption values and equipment temperature values, and various values are acquired to ensure the accuracy of the running state of the equipment;

the cloud database stores data and provides equipment use data for the operation and maintenance center, and the equipment use data is compared with the equipment operation data to judge whether the equipment is in an abnormal working state;

the operation and maintenance center processes various data and compares the data with internal data of the cloud database so as to determine the operation condition of the equipment;

the maintenance terminal assigns designated operators to maintain the equipment so that the equipment can work normally;

the control terminal is in wireless connection with various devices, and controls the working states of the various devices.

The operation and maintenance center comprises a data receiving module, a data processing module, a threshold module, a comparison module and a data sending module;

the data receiving module is used for receiving data collected in the data collecting terminal, the data processing module is used for processing the data, the threshold module is used for confirming whether external data exceeds the range, the comparison module is used for comparing corresponding numerical values, therefore, abnormal values are judged, and the data sending module is used for sending instructions to the control terminal.

The data processing module processes the data as follows:

step one, a data receiving module transmits received data to a data processing module, an output value of a certain device is set as Si, a used energy consumption value is set as Yi, a device temperature value is set as Wi, wherein i is a time value of different time periods, and i =1, 2, … …, n;

step two, adopting a formulaCalculating to obtain an average value Sm of the output of the equipment in a certain time period, and similarly calculating to obtain an average value Ym of the consumption energy and an average value Wm of the temperature of the equipment, wherein C1 is a preset proportionality coefficient;

step three: then using the formulaAnd calculating to obtain a state value Z of certain equipment, wherein A1, A2 and A3 are specific coefficient factors, and an interval threshold is arranged in the threshold module, so that the part of interval values to which the state value belongs is determined, and the running state of the equipment is determined.

The threshold module comprises the following steps:

a. three groups of interval values are arranged in the threshold module, wherein the three groups of interval values are classified into A, B and C respectively, and A > B > C;

b. setting and comparing the calculated state values, dividing the numerical value of (Z-1) by a threshold module, and determining which interval value the numerical value belongs to;

c. the operation state of the equipment is divided by A, B, C three types of interval values, the maintenance level is set to A, B, C three types of levels, and the data are transmitted to the outside through a data transmission module.

The maintenance terminal internally comprises an equipment positioning module, a radius interval scanning module and a dispatching module;

the equipment positioning module accurately positions certain product equipment; the radius interval scanning module scans the specific radius value of the positioned equipment to scan whether maintenance personnel exist or not; the dispatching module dispatches an instruction to a mobile terminal of an external maintenance person.

The dispatching step of the maintenance terminal is as follows:

the method comprises the following steps that firstly, an equipment positioning module positions certain fault equipment in advance, and a positioning central point is set to be Xi, wherein i is the certain fault equipment;

step two, the radius interval scanning module starts to work, scans an interval with the radius value of 50 meters, obtains the number of maintenance personnel by scanning, and distinguishes and marks each maintenance personnel as Pji, wherein i is the grade of the maintenance personnel, and j is the distance of the maintenance personnel;

and thirdly, the dispatching terminal divides the grades of the maintenance personnel, matches the corresponding maintenance grades with the corresponding maintenance personnel, and dispatches the maintenance personnel closest to the maintenance grade to perform maintenance processing work through analysis of Pji data, so that the maintenance efficiency is improved.

The maintenance grade of the maintenance personnel is judged according to the work experience, the number of maintenance equipment and the work time of the maintenance personnel, the work experience is set to Gi, the number of maintenance equipment is set to Wi, and the work time is set to Si, wherein i is a certain specific worker, and a formula is adoptedAnd calculating to obtain a grade judgment comparison value.

The control terminal is controlled by an external operator, and controls the working states of various product devices through the control terminal, so that the devices are closed, and the risk of the devices is reduced.

The above formulas are all calculated by removing dimensions and taking numerical values thereof, the formula is one closest to the real situation obtained by software simulation of collected data, and the preset parameters and the preset threshold values in the formula are set or obtained by data simulation according to the actual situation by a person skilled in the art.

The working principle of the invention is as follows:

the operation and maintenance center processes various data and compares the data with internal data of the cloud database to determine the operation condition of the equipment, the data receiving module is used for receiving the data collected in the data collecting terminal, the data processing module processes the data, the threshold module confirms whether the external data exceeds the range, the comparison module compares corresponding numerical values to judge abnormal values, the data sending module sends instructions to the control terminal, and the data receiving module sends the received data to the data processing module.

Calculating to obtain an average value of output of the internal equipment in a certain time period by adopting a formula, and calculating to obtain an average value Ym of consumption energy and an average value Wm of equipment temperature by adopting the same method, wherein C1 is a preset proportionality coefficient; calculating a state value Z of certain equipment by adopting a formula, and setting an interval threshold value in a threshold module so as to determine which part of interval value the state value belongs to, determine the running state of the equipment, divide the running state of the equipment, confirm the grade, enable the running state value of the equipment to be more accurate, and ensure that later-stage maintenance personnel can accurately know the running state of the equipment and carry out maintenance work on the equipment;

the equipment positioning module positions a certain fault equipment in advance, and sets a positioning central point as Xi, wherein i is the certain fault equipment; the radius interval scanning module starts to work, scans an interval with the radius value of 50 meters, obtains the number of maintenance personnel by scanning, and distinguishes and marks each maintenance personnel as Pji, wherein i is the grade of the maintenance personnel, and j is the distance between the maintenance personnel; the dispatching terminal divides the grades of maintenance personnel, matches the corresponding maintenance grades with the corresponding maintenance personnel, sends maintenance processing work to the maintenance personnel with the nearest distance through analysis to Pji data, thereby improving maintenance efficiency, judges the maintenance grades of the maintenance personnel according to the working experience of the maintenance personnel, the number of maintenance equipment and the working time, calculates the grade judgment comparison value, can better divide the maintenance personnel, compares the grade with the abnormal equipment grade, and ensures that the equipment maintenance efficiency is higher.

In the embodiments provided by the present invention, it should be understood that the disclosed apparatus, device and method can be implemented in other ways. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the modules is only one logical functional division, and there are other divisions when actually implemented; the modules described as separate parts are or are not physically separate, and the parts displayed as modules are or are not physical units, that is, are located in one place, or are distributed on a plurality of network units. The purpose of the method of the embodiment is realized by selecting part or all of the modules according to actual needs.

It will also be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.

Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the system claims may also be implemented by one unit or means in software or hardware. The terms second, etc. are used to denote names, but not any particular order.

Finally, it should be noted that the above examples are only intended to illustrate the technical process of the present invention and not to limit the same, and although the present invention has been described in detail with reference to preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical process of the present invention without departing from the spirit and scope of the technical process of the present invention.