1. An LEU monitoring and early warning method is characterized by comprising the following steps:

acquiring monitoring data of LEU equipment;

and judging the working state of the LEU equipment according to the monitoring data.

2. The LEU monitoring and early warning method according to claim 1, further comprising, after the real-time determination of the status of the LEU device according to the monitoring data:

when the working state is judged to be failed, alarming the LEU equipment which has failed; or when the working state is judged to be near fault, the LEU equipment near the fault is subjected to early warning.

3. The LEU monitoring and early warning method of claim 1, wherein the obtaining of the monitoring data of the LEU device comprises:

and collecting an output signal of the LEU equipment.

4. The LEU monitoring and warning method of claim 3, wherein the output signal comprises: voltage current amplitude, phase spectrum and time information.

5. The LEU monitoring and early warning method according to claim 2, wherein the determining the operating state of the LEU device according to the monitoring data comprises:

judging the working state of the LEU equipment through a fault pre-judging model according to the monitoring data;

after the judging the working state of the LEU device according to the monitoring data, the method further comprises:

and when the working state of the LEU equipment is judged to be the fault or the adjacent fault, training the fault pre-judgment model through a deep learning algorithm according to the monitoring data and the fault condition.

6. The LEU monitoring and warning method of claim 5, further comprising:

and matching according to the serial number and time of the station of the LEU equipment, and generating a fault pre-judging model by combining the conventional fault data, wherein the fault pre-judging model is presented in the form of a fault probability curve.

7. The LEU monitoring and early warning method according to claim 1, wherein the determining the operating state of the LEU device according to the monitoring data further comprises:

and displaying the monitoring data of the LEU equipment for field test and maintenance personnel to use.

8. The utility model provides a LEU monitoring and early warning system which characterized in that includes: a collector and an upper computer;

the collector is used for acquiring monitoring data of the LEU equipment;

and the upper computer is used for judging the working state of the LEU equipment according to the monitoring data.

9. The LEU monitoring and warning system of claim 8, further comprising: a server;

and the server is used for training the fault pre-judgment model through a deep learning algorithm according to the monitoring data and the fault condition.

10. The LEU monitoring and pre-warning system of claim 8, wherein the collector comprises: the system comprises a frequency division circuit, a high-precision acquisition circuit, a DSP processor module, a main control processor module, a battery power supply module and a Bluetooth communication module.

Background

The point type transponder system is widely applied to China CTCS (China train control System), passenger special lines, shunting protection systems, CBTC (communication based train control) systems and the like, and main ground signal equipment is a ground electronic unit and a transponder. A ground electronic unit, called LEU for short, is a key railway signal device responsible for receiving information from a train control center and sending information to an active transponder.

At the present stage, the LEU equipment monitors the working state of the LEU equipment through a monitoring plate of the LEU equipment, an alarm is given to wait for repair when the LEU equipment fails, the faults of the LEU equipment directly affect a railway transportation system, the railway operation efficiency is reduced, and the advance prejudgment of the LEU faults is urgent need for improving the railway transportation efficiency. When in on-site investigation and monitoring, the quality of an output signal of the LEU equipment is an important basis in on-site maintenance, and an oscilloscope and a frequency spectrograph are generally adopted to measure on the site, so that the LEU equipment is heavy and has urgent requirements on a portable special measuring instrument. At present, the fault is removed mainly by adopting a mode of repairing after the fault, and a monitoring device is urgently needed, so that the occurrence of the fault can be pre-judged, and partial faults can be removed in advance.

Therefore, how to design a monitoring and early warning system to perform advanced maintenance on an LEU device that has failed or is close to failing becomes an important technical problem to be solved urgently by those skilled in the art.

Disclosure of Invention

In view of the above, the invention provides an LEU monitoring and early warning method, which is used for responding to a failed LEU device in advance by monitoring working data of the LEU device and judging the working state of the LEU device according to the working data, and has the characteristics of high maintenance advance and low maintenance cost.

The invention also provides an LEU monitoring and early warning system applying the method.

In order to achieve the purpose, the invention provides the following technical scheme:

an LEU monitoring and early warning method comprises the following steps:

acquiring monitoring data of LEU equipment;

and judging the working state of the LEU equipment according to the monitoring data.

Further, after the real-time judgment of the status of the LEU device according to the monitoring data, the method further includes:

when the working state is judged to be failed, alarming the LEU equipment which has failed; or when the working state is judged to be near fault, the LEU equipment near the fault is subjected to early warning.

Further, the acquiring monitoring data of the LEU device includes:

and collecting an output signal of the LEU equipment.

Further, the output signal includes: voltage current amplitude, phase spectrum and time information.

Further, the determining the operating state of the LEU device according to the monitoring data includes:

judging the working state of the LEU equipment through a fault pre-judging model according to the monitoring data;

after the judging the working state of the LEU device according to the monitoring data, the method further comprises:

and when the working state of the LEU equipment is judged to be the fault or the adjacent fault, training the fault pre-judgment model through a deep learning algorithm according to the monitoring data and the fault condition.

Further, still include:

and matching according to the serial number and time of the station of the LEU equipment, and generating a fault pre-judging model by combining the conventional fault data, wherein the fault pre-judging model is presented in the form of a fault probability curve.

Further, the determining the operating state of the LEU device according to the monitoring data further includes:

and displaying the monitoring data of the LEU equipment for field test and maintenance personnel to use.

An LEU monitoring and early warning system, comprising: a collector and an upper computer;

the collector is used for acquiring monitoring data of the LEU equipment;

and the upper computer is used for judging the working state of the LEU equipment according to the monitoring data.

Further, still include: a server;

and the server is used for training the fault pre-judgment model through a deep learning algorithm according to the monitoring data and the fault condition.

Further, the collector includes: the system comprises a frequency division circuit, a high-precision acquisition circuit, a DSP (digital signal processor) module, a main control processor module, a battery power supply module and a Bluetooth communication module.

According to the technical scheme, the monitoring data of the LEU equipment are obtained, and the working state of the LEU equipment is judged according to the monitoring data, so that the maintenance advance is greatly improved, the situation that the LEU equipment is found and maintained after a fault occurs is avoided, and in order to improve the early warning performance, a fault pre-judging model which can be self-perfected is involved in the monitoring work, and the LEU equipment which is about to break down is used for alarming or early warning, so that the labor burden of workers is greatly reduced, and the LEU monitoring and early warning method has the characteristics of high maintenance advance degree, low labor burden and good warning effect.

The invention also provides an LEU monitoring and early warning system applying the method, and the LEU monitoring and early warning system has corresponding beneficial effects due to the adoption of the LEU monitoring and early warning method, which can be referred to the previous description specifically and is not repeated herein.

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, 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 flowchart illustrating an LEU monitoring and early warning method according to an embodiment of the present invention to determine an LEU operating state;

FIG. 2 is an expanded view of the process S020 in FIG. 1;

FIG. 3 is an expanded flow diagram of the flow S010 of FIG. 1;

FIG. 4 is an expanded view of the process S020 in FIG. 2;

fig. 5 is an overall schematic diagram of an LEU monitoring and early warning system according to an embodiment of the present invention;

fig. 6 is a schematic flow chart of the operation of the LEU monitoring and early warning system according to the embodiment of the present invention.

Detailed Description

The invention discloses an LEU monitoring and early warning method, which has the characteristic of high maintenance advance degree by acquiring monitoring data of LEU equipment and judging the working state of the LEU equipment based on the monitoring data.

The invention also discloses an LEU monitoring and early warning system applying the method.

The following are explanations of the terms involved in the present invention:

LEU: ground electronic unit, a railway signal equipment.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.

Referring to fig. 1, the method for monitoring and warning an LEU provided by an embodiment of the present invention includes:

s010: acquiring monitoring data of LEU equipment;

s020: and judging the working state of the LEU equipment according to the monitoring data.

It should be noted that, in step S010, the monitoring data of the LEU device is obtained by continuously monitoring the LEU device, so as to ensure that each LEU device can be monitored in real time; in step S020, the working state of the LEU device is determined to be a fault or a normal state by the monitoring data, based on the determination result, a technician in the field can maintain the LEU device in advance when the LEU device is in fault, and the situation that the LEU device goes to maintenance after being in fault is avoided, so that the loss of an enterprise is reduced, and the operation efficiency of a railway is improved.

In this scheme, referring to fig. 2, after the status of the LEU device is determined in real time according to the monitoring data, the method further includes:

s030: when the working state is judged to be the fault, alarming the LEU equipment with the fault; or when the working state is judged to be close to the fault, the LEU equipment close to the fault is subjected to early warning.

It should be noted that, in the S030 process, when the state of failure is judged according to the monitoring data of the LEU device, an alarm is sent to the technician to remind that the failure has occurred, the technician is urged to go forward to maintain, and in order to further improve the degree of advance of maintaining the LEU device, an early warning is carried out on the LEU device close to the failure, the technician is reminded of the LEU device about to fail, and the LEU device goes forward to maintain before the failure.

In this scenario, referring to fig. 3, S010: acquiring monitoring data of the LEU equipment, including:

s000: and collecting an output signal of the LEU equipment.

It should be noted that, because LEU equipment passes through the cable with signal transmission to active transponder, gather the signal on the cable this moment, can obtain the output signal of LEU equipment to obtain the monitoring data of LEU equipment, be convenient for prepare for going on of next step, this scheme so design has the characteristics that the collection mode is simple and the collection effect is good.

In order to optimize the above technical solution, the output signal includes: voltage current amplitude, phase spectrum and time information.

It should be noted that, different from the mode of the existing basic information collection, the LEU device can meet the requirement of collecting monitoring data by collecting signals of a cable, wherein the collected signals are voltage and current amplitude values, phase frequency spectrums and time information, and the health of the LEU device can be managed according to the voltage and current amplitude values, the phase frequency spectrums and the time information.

In this embodiment, referring to fig. 4, S020: judging the working state of the LEU equipment according to the monitoring data, comprising the following steps:

s021: judging the working state of the LEU equipment through a fault pre-judging model according to the monitoring data;

after S021 determines the operating state of the LEU device according to the monitoring data, the method further includes:

s031: and when the working state of the LEU equipment is judged to be the fault or the adjacent fault, training a fault pre-judgment model through a deep learning algorithm according to the monitoring data and the fault condition.

It should be noted that, the embodiment of the present invention provides a fault pre-determination model for determining the operating state of an LEU device, where the model training data is to upload an LEU signal and a fault condition, make a prediction by performing a determination according to the signal characteristic, and learn again through continuously uploaded LUE information and a record of the fault condition, train the model, iterate repeatedly, and enhance the pre-determination capability of the model.

The LEU monitoring and early warning method provided by the embodiment of the invention further comprises the following steps: and matching according to the serial number and time of the station of the LEU equipment, and generating a fault pre-judging model by combining the conventional fault data, wherein the fault pre-judging model is presented in the form of a fault probability curve.

It should be noted that the fault pre-judging model is formed by matching the serial number and time of the station of the LEU equipment and combining the original fault data, and is presented in the form of a fault probability curve, and the working state of the monitored LEU equipment can be visually checked through the fault probability curve, so that the monitoring effect is convenient to improve.

In this embodiment, S020: judging the operating condition of LEU equipment according to the monitoring data, still include:

and displaying the monitoring data of the LEU equipment for field test and maintenance personnel to use.

It should be noted that, in the S020 process, besides judging the operating state of the LEU device according to the monitoring data, there is also monitoring data displaying the LEU device, and the monitoring data of the LEU device is a spectrogram displaying an output signal of the LEU device in real time, and signal characteristics are displayed separately for specific frequency points for field test maintenance personnel to use.

The embodiment of the invention provides an LEU monitoring and early warning system, which comprises: a collector and an upper computer;

the collector is used for acquiring monitoring data of the LEU equipment;

the upper computer is used for judging the working state of the LEU equipment according to the monitoring data.

The system comprises two upper computers, namely a mobile phone end and a computer end, wherein the upper computers are selected according to the requirements of a field test environment. The mobile phone APP is the same as the computer software in function, and mainly comprises the following modules: bluetooth communication module, data display module, LEU fault alarm module and data upload module, the above-mentioned method is referred to specific use, and this scheme designs so, has the characteristics that the modularization degree is high and the treatment effect is good.

The embodiment of the invention provides an LEU monitoring and early warning system, which further comprises: a server;

and the server is used for training a fault pre-judgment model through a deep learning algorithm according to the monitoring data and the fault condition.

The server mainly comprises a data storage part and a data processing part, wherein background software is arranged in the data processing part, and is connected with data sent by an upper computer through a world wide web through the background software, receives information uploaded by LEU collectors all over the country, performs classification and labeling, and is distributed to the data storage part through the data processing part. In addition, a deep learning algorithm training model is embedded in the data processing part, LEU signals and fault conditions are uploaded according to the model training data, the LEU signals and the fault conditions are matched through information such as station numbers and time, an initial fault pre-judgment model is generated by combining the past fault data, the model is finally presented in the form of a fault probability curve, prediction is made through judgment according to signal characteristics, learning is performed again through continuously uploaded LUE information and fault state records, a new fault judgment curve is generated by training the model, iteration is repeated, and the pre-judgment capability of the model is enhanced.

In this scheme, the collector includes: the system comprises a frequency division circuit, a high-precision acquisition circuit, a DSP processor module, a main control processor module, a battery power supply module and a Bluetooth communication module.

It should be noted that the collector is portable, is powered by a battery, is connected with the LEU output board by a cable, has the function of collecting output signals, such as the amplitude characteristic and the frequency spectrum characteristic of C1 and C6 signals, consists of a frequency division circuit, a high-precision acquisition circuit, a DSP processor module, a main control processor module, a battery power supply module and a Bluetooth communication module, the baseband signal and the carrier frequency signal are separated by a frequency dividing circuit, the amplitude characteristic of the signal is measured by a high-precision acquisition circuit, obtain spectral characteristic through DSP processor module processing, transmit to master control processor module, master control processor module adds corresponding LEU equipment information and time information etc. sends information package processing to bluetooth module, sends to the host computer by bluetooth module, and this scheme is so designed, has that monitoring effect is good, the high and fast characteristics of information transfer of modularization degree.

The present solution is further described below with reference to specific embodiments.

An LEU monitoring and warning system, see fig. 5 and 6, comprising: the system comprises a signal collector, an upper computer and a server;

the harvester is portable and battery powered. The collector and the LEU output board are connected by a cable, the collector has the function of collecting output signals, and the internal structure of the collector is shown in the following figure and comprises a frequency division circuit, a high-precision collecting circuit, a DSP processor module, a main control processor module, a battery power supply module and a Bluetooth communication module. The collector collects C interface signals, baseband signals and carrier frequency signals are separated through the frequency division circuit, signal amplitude characteristics are measured through the high-precision collection circuit, spectrum characteristics are obtained through processing of the DSP processor module and are transmitted to the main control processor module, the main control processor module adds corresponding LEU equipment information, time information and the like, information is packaged, processed and sent to the Bluetooth module, and the Bluetooth module sends the information to the upper computer.

The upper computers are two types, namely a mobile phone end and a computer end, which are selected according to the requirements of the field test environment. The mobile phone APP is the same as the computer software in function, and mainly has the following functions: the system comprises a Bluetooth communication function, a data display function, an LEU fault alarm function and a data uploading function. Receiving information sent by a collector through Bluetooth, and butting the Bluetooth part with a signal collector through Bluetooth; after the data are received, the data are analyzed through a communication protocol, and the information output by the C interface is displayed by the upper computer for field maintenance. This host computer has the function of judging LEU operating condition, and whether LEU breaks down can be directly by host computer demonstration and warning. The upper computer has a data uploading function, uses a world wide web to remotely access the server, adds the information sent by the collector into LEU fault information, packs the LEU fault information and sends the LEU fault information to the server.

Two main functions of the server are: data storage function, data processing function. Background software is arranged in the data processing part, the background software is connected with data sent by an upper computer through a world wide web, receives information uploaded by LEU collectors from all parts of the country, carries out classification and labeling, and is distributed to the data storage part through the data processing part. The data processing part is embedded with a deep learning algorithm training model, LEU signals and fault conditions are uploaded, the LEU signals and the fault conditions are matched through information such as station numbers and time, an initial fault pre-judgment model is generated by combining the conventional fault data, the model is finally presented in the form of a fault probability curve, judgment is made according to signal characteristics, prediction is made through continuous uploading LUE information and fault state records, the model is trained, a new fault judgment curve is generated, iteration is repeated, and the pre-judgment capability of the model is enhanced. And the server immediately gives an alarm when finding a fault, the prejudging model identifies the LEU which is about to fail, and immediately sends out early warning for maintaining the LEU before the fault.

The operating principle of the LEU monitoring and early warning system provided by the embodiment of the invention is as follows:

this LEU monitoring and early warning auxiliary system gathers the signal that the LEU host computer exported to active transponder cable, gathers this signal amplitude, frequency, time information, analyzes its characteristic, judges whether the LEU host computer breaks down to report to the police to trouble LEU, carry out the early warning to the not good LEU of state.

The collector is inserted into an output port of the LEU output board through the cable connector, and output signals of LEU equipment in a period of time are collected through the collector. The collector sends the information of gathering to the host computer through the bluetooth, and the host computer can report to the police to trouble LEU, and the host computer can be real-time shows LEU output signal's spectrogram to show its signal characteristic alone specific frequency point, supply the field test maintainer to use.

Meanwhile, the collector has a network connection function, data are uploaded to the server, the server judges the fault state of the LEU, alarms the fault LEU, predicts the working state in the life cycle of the LEU for one time, pre-warns the LEU with a pre-judged problem, feeds the LEU back to the collector, displays the LEU for field test maintenance personnel, and supervises and urges the field maintenance personnel to remove possible interference points and influence factors in the field in advance.

In addition, the server background is provided with a deep learning model which is trained by a large amount of data, the model also has a self-learning function, self-learning is carried out according to the data acquired each time, the fault pre-judging capability of the fault pre-judging model is improved, the accuracy of the LEU fault prediction model is improved, the fault prediction model is self-perfected, and therefore fault monitoring and fault early warning are carried out on the LEU equipment in multiple aspects.

The key points of the invention are as follows:

1. the measurement LEU output signal characteristics are portable.

2. And (4) using a deep learning + big data algorithm to prejudge the faults of the LEU and maintain in advance.

The invention has the advantages that:

1. currently, an oscilloscope and a spectrum analyzer are used for measuring the characteristics of an output signal of LEU equipment, and whether a fault is judged by active human identification. The collector in the system realizes the portable test of the special output signal of the LEU equipment, adds the function of identifying LEU faults and realizes intellectualization.

2. According to the system, the LEU with possible faults is early warned in advance through deep learning and big data technical means, preventive maintenance and repair are carried out, and the faults can be prevented without influencing operation.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.