CN117929892A - Detection method and device for subway vehicle relay - Google Patents

Abstract

The invention provides a detection method and device for a metro vehicle relay, and relates to the field of metro vehicle detection. After a user installs a relay to be detected on a detection base of the detection equipment, acquiring a train number, a carriage number and a relay type code number of the subway vehicle input by the user; determining a detection program of the relay to be detected based on the relay type code; testing the relay through a detection program to obtain test results of all test items of the relay to be detected; such as coil resistance, pull-in voltage, pull-out voltage, contact resistance, etc. Therefore, automatic detection of the metro vehicle relay can be realized, the detection efficiency of the metro vehicle relay is improved, and accurate detection of the metro vehicle relay is ensured.

Description

Detection method and device for subway vehicle relay

Technical Field

The invention relates to the technical field of subway vehicle detection, in particular to a detection method and device of a subway vehicle relay.

Background

The relay is an important element of the metro vehicle, and in the using process of the metro vehicle, the circuit control is realized through closing and separating the contacts of the relay, so that the actions of various functions are completed. Such as directional control, control of brake application release, door state control, etc. Because the contact point may oxidize due to high temperature during the long-term use of the relay, an oxide layer is formed on the surface of the contact point, resulting in an increase in the resistance of the relay. Or relay failure due to relay winding coil disconnection or cold solder joint.

The service time of the relay is gradually prolonged, if the detection is not performed, the danger is increased, and the relay is a key device for use, so that the relay needs to be diagnosed regularly, and the performance of the relay for use is ensured.

Because the number of relays of each metro vehicle is numerous, and state parameter detection needs to be completed in a limited time, the existing manual mode is used for detection, the detection period is long, the working efficiency is low, and the accuracy cannot be completely guaranteed.

Disclosure of Invention

The invention provides a detection method and a detection device for a metro vehicle relay, which can improve the detection efficiency of the metro vehicle relay and ensure the accurate detection of the metro vehicle relay.

In a first aspect, the invention provides a detection method of a metro vehicle relay, which is applied to detection equipment of the metro vehicle relay, wherein the detection equipment comprises a plurality of detection bases, and a plurality of relays to be detected are installed in a hot plug mode of the detection bases; the detection method comprises the following steps: after a user installs a relay to be detected on a detection base of detection equipment, acquiring a train number, a carriage number and a relay type code number of the subway vehicle input by the user; determining a detection program of the relay to be detected based on the relay type code; based on the detection program, testing the relay to obtain test results of all test items of the relay to be detected; the test items include coil resistance, pull-in voltage, pull-out voltage, and contact resistance.

In one possible implementation, the detection device includes a computer measurement and control system and a test control circuit; the computer measurement and control system comprises: the system comprises an industrial personal computer, an IO module, an analog quantity acquisition module, a relay output module, a liquid crystal display, a printer, a current transmitter and a voltage transmitter; the test control circuit comprises a test control loop, an adjustable direct current power supply, a relay mounting seat, a voltage regulator, a transformer, a shunt, a voltmeter, an ammeter, a control switch and an action indicator lamp.

In one possible implementation, the detection method further includes: acquiring a compensation resistance of a relay to be detected; and determining the calculated resistance value of the relay to be detected based on the coil resistance and the compensation resistance.

In one possible implementation, the detection method further includes: and comparing the test results of all test items of the relay to be detected with the pre-input qualified standard data to determine the detection results of the relay to be detected, wherein the detection results comprise qualified or unqualified.

In one possible implementation, the detection method further includes: and controlling the action indicator lamp of the test control circuit to display based on the detection result of the relay to be detected, wherein different detection results display different colors.

In one possible implementation, the detection method further includes: responding to the motor operation of a 'complete' button on an operation interface of the detection equipment by a user, and exiting the detection flow of the relay to be detected; generating a detection report of the relay to be detected based on the test result and the detection result of each test item of the relay to be detected based on the train number, the carriage number and the relay type code; and outputting a detection report.

In one possible implementation manner, before determining the detection program of the relay to be detected based on the relay type code, the method further includes: receiving a selection instruction of a user for each test item on an operation interface of the detection equipment; the selection instruction comprises each test item to be tested of the relay to be detected; correspondingly, determining a detection program of the relay to be detected based on the relay type code comprises the following steps: determining a plurality of program packages corresponding to the relay to be detected based on the relay type code; screening the program packages based on the selection instruction to obtain the program packages participating in the test of the relay to be detected; and generating a detection program of the relay to be detected based on the program package participating in the relay to be detected test.

In a second aspect, an embodiment of the present invention provides a detection apparatus for a metro vehicle relay, including: the communication module is used for acquiring the train number, the carriage number and the relay type code number of the subway vehicle input by a user after the user installs the relay to be detected on a detection base of the detection equipment; the processing module is used for determining a detection program of the relay to be detected based on the type code of the relay; based on the detection program, testing the relay to obtain test results of all test items of the relay to be detected; the test items include coil resistance, pull-in voltage, pull-out voltage, and contact resistance.

In one possible implementation, the detection device includes a computer measurement and control system and a test control circuit; the computer measurement and control system comprises: the system comprises an industrial personal computer, an IO module, an analog quantity acquisition module, a relay output module, a liquid crystal display, a printer, a current transmitter and a voltage transmitter; the test control circuit comprises a test control loop, an adjustable direct current power supply, a relay mounting seat, a voltage regulator, a transformer, a shunt, a voltmeter, an ammeter, a control switch and an action indicator lamp.

In one possible implementation manner, the communication module is further configured to obtain a compensation resistance of the relay to be detected; the processing module is also used for determining the calculated resistance value of the relay to be detected based on the coil resistance and the compensation resistance.

In one possible implementation manner, the processing module is further configured to compare a test result of each test item of the relay to be detected with pre-input qualification standard data, and determine a detection result of the relay to be detected, where the detection result includes qualification or disqualification.

In one possible implementation manner, the processing module is further configured to control the action indicator light of the test control circuit to display based on the detection result of the relay to be detected, where different detection results display different colors.

In one possible implementation manner, the processing module is further configured to, in response to a motor operation of a "complete" button on an operation interface of the detection device by a user, exit a detection flow of the relay to be detected; generating a detection report of the relay to be detected based on the test result and the detection result of each test item of the relay to be detected based on the train number, the carriage number and the relay type code; and outputting a detection report.

In one possible implementation manner, the communication module is further configured to receive a selection instruction of each test item on the operation interface of the detection device by a user; the selection instruction comprises each test item to be tested of the relay to be detected; the processing module is also used for determining a plurality of program packages corresponding to the relay to be detected based on the type code of the relay; screening the program packages based on the selection instruction to obtain the program packages participating in the test of the relay to be detected; and generating a detection program of the relay to be detected based on the program package participating in the relay to be detected test.

In a third aspect, an embodiment of the present invention provides an electronic device, the electronic device comprising a memory storing a computer program and a processor for executing the steps of the method according to any one of the above-mentioned first aspect and any possible implementation manner of the first aspect, when the computer program stored in the memory is invoked and run.

In a fourth aspect, an embodiment of the present invention provides a detection apparatus for a metro vehicle relay, where the detection apparatus includes a computer measurement and control system and a test control circuit; the computer measurement and control system comprises: the system comprises an industrial personal computer, an IO module, an analog quantity acquisition module, a relay output module, a liquid crystal display, a printer, a current transmitter and a voltage transmitter; the test control circuit comprises a test control loop, an adjustable direct-current power supply, a relay mounting seat, a voltage regulator, a transformer, a shunt, a voltmeter, an ammeter, a control switch and an action indicator lamp.

In a fifth aspect, embodiments of the present invention provide a computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the method according to the first aspect and any one of the possible implementations of the first aspect.

The invention provides a detection method and a detection device for a subway vehicle relay, wherein after a user installs a relay to be detected on a detection base of detection equipment, a train number, a carriage number and a relay type code number of the subway vehicle input by the user are obtained; determining a detection program of the relay to be detected based on the relay type code; testing the relay through a detection program to obtain test results of all test items of the relay to be detected; such as coil resistance, pull-in voltage, pull-out voltage, contact resistance, etc. Therefore, automatic detection of the metro vehicle relay can be realized, the detection efficiency of the metro vehicle relay is improved, and accurate detection of the metro vehicle relay is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a detection device of a metro vehicle relay provided by an embodiment of the present invention;

Fig. 2 is a schematic flow chart of a method for detecting a metro vehicle relay according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a detection device of a metro vehicle relay provided by an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

In the description of the present invention, "/" means "or" unless otherwise indicated, for example, A/B may mean A or B. "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. Further, "at least one", "a plurality" means two or more. The terms "first," "second," and the like do not limit the number and order of execution, and the terms "first," "second," and the like do not necessarily differ.

In embodiments of the application, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment should not be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion that may be readily understood.

Furthermore, references to the terms "comprising" and "having" and any variations thereof in the description of the present application are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or modules is not limited to only those steps or modules but may, alternatively, include other steps or modules not listed or inherent to such process, method, article, or apparatus.

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the following description will be made with reference to the accompanying drawings of the present invention by way of specific embodiments.

As shown in fig. 1, an embodiment of the present invention provides a schematic structural diagram of a detection device for a metro vehicle relay. The detection equipment provided by the invention mainly comprises a computer measurement and control system and a test control circuit.

The computer measurement and control system consists of an industrial personal computer, an IO module, an analog quantity acquisition module, a relay output module, a liquid crystal display, a printer, a current transmitter, a voltage transmitter and the like.

The test control circuit mainly comprises a test control loop, an adjustable direct-current power supply, a relay mounting seat, a voltage regulator, a transformer, a shunt, a voltmeter, an ammeter, a control switch, an action indicator lamp and the like.

The devices in the relay detection equipment are orderly arranged, code marks are arranged on the devices and the interfaces, wiring in the relay detection equipment is clustered and laid, the relay detection equipment is horizontal, vertical, attractive and concise, the cable is provided with a wire number and is in crimping connection with a terminal, and the terminal is connected with the devices in a standard mode and cannot be welded.

The relay detection equipment is equipment for detecting state parameters of a relay special for subways, and consists of an industrial personal computer, a PLC, an adjustable power supply, a direct-current low-resistance tester, a voltage protection module and the like. The device can detect 10 types of special relays for subways, and main detection data comprise relay coil resistance, pull-in voltage, release voltage, normally-open and normally-closed contact resistance values and the like, generates a printing report and stores the printing report, generates a database to store the printing report, and can search test data of each relay through a history inquiry function. The device can detect a plurality of relays at one time, has high detection speed, high measurement accuracy, simple operation and stable and reliable operation, and can greatly improve the working efficiency.

As shown in fig. 2, the embodiment of the invention provides a method for detecting a metro vehicle relay. The detection equipment applied to the subway vehicle relay shown in fig. 1 comprises a plurality of detection bases, wherein the detection bases are provided with a plurality of relays to be detected in a hot plug mode; the detection method comprises steps S101-S103.

S101, after a user installs a relay to be detected on a detection base of detection equipment, a train number, a carriage number and a relay type code number of the subway vehicle input by the user are acquired.

S102, determining a detection program of the relay to be detected based on the relay type code.

S103, testing the relay based on the detection program to obtain test results of all test items of the relay to be detected.

In an embodiment of the application, the test items include coil resistance, pull-in voltage, pull-out voltage, and contact resistance.

The invention provides a detection method of a subway vehicle relay, which comprises the steps that after a user installs a to-be-detected relay on a detection base of detection equipment, a train number, a carriage number and a relay type code of the subway vehicle input by the user are obtained; determining a detection program of the relay to be detected based on the relay type code; testing the relay through a detection program to obtain test results of all test items of the relay to be detected; such as coil resistance, pull-in voltage, pull-out voltage, contact resistance, etc. Therefore, automatic detection of the metro vehicle relay can be realized, the detection efficiency of the metro vehicle relay is improved, and accurate detection of the metro vehicle relay is ensured.

It should be noted that, the embodiment of the present invention provides two sets of operation software: automatic program, manual program. The automatic program is a main program and is used in relay parameter detection work; the manual program is an auxiliary program developed for measuring the resistance value of auxiliary lines such as wires, relay contacts, and terminals in each detection circuit, and is used only when the compensation resistance is regularly calibrated.

The automated program contains six interfaces: a start interface (main menu), an operation interface, a parameter setting interface, a standard setting interface, a user management interface and a history inquiry interface.

Clicking the desktop software icon, and entering a start (main menu) interface after logging in. If the operator logs in, the icon options of all interfaces can be seen, and if the operator logs in, the icon options of parameter setting, standard setting and user management are not displayed.

And (3) an operation interface: the method is used for model number filling, vehicle number filling, real-time data display, flow control and the like in the test process.

The number and the positions of the relays are selected according to actual conditions, the four detection contents can be selected at will, and the relay type number can be selected. The system measurement actions are divided into four groups: coil resistance, pull-in voltage, pull-out voltage, contact resistance, and the like, and the next group of measurements is performed after one group is completed in a manner of packaging and grouping similar actions. Note that: after the detection action is completed, three items of train number, train number and code number must be completely filled in to generate a result report.

Parameter setting interface: and the compensation resistor is used for filling in the compensation resistor of each relay resistor loop, and the resistance value=actual measurement resistance value-compensation resistance value is in a finally generated relay measurement result report. The compensation resistance measuring method comprises the following steps: the hand program is used to assist the relay shorting and other tools to accurately measure and record the resistance values of the wiring, relay contacts, terminals and the like in the measuring loop, and then the resistance values are filled in the corresponding positions in the parameter setting.

Standard setup interface: and qualified standard data of each relay is required to be filled, and standard judgment data is provided by a process file. When the test is completed, the measurement value is judged whether to be qualified or not according to the measurement value, and the judgment result is filled into a relay measurement result report. The interface is provided with a stable measurement time, a start-stop voltage value setting of the pull-in voltage and the release voltage.

User management interface: adding and modifying user name and password. The operation can be performed after login, and the system binds the result data of each group of relays with the logged-in detection person and stores the result data in the database.

History query interface: by inputting the "train number" + "code", information such as the designated relay detection data, the detection batch (time), and the operator name can be searched and displayed.

Optionally, the method for detecting the metro vehicle relay provided by the embodiment of the invention further comprises steps S201-S202.

S201, acquiring a compensation resistor of a relay to be detected;

S202, determining the calculated resistance value of the relay to be detected based on the coil resistance and the compensation resistance.

Therefore, the embodiment of the invention can complete the measurement of the resistance value of each relay coil by setting the compensation resistor of the relay through the parameter equipment interface.

Optionally, after step S103, the embodiment of the present invention may further compare the test result of each test item of the relay to be detected with the pre-input qualified standard data, to determine the detection result of the relay to be detected. Wherein the detection result comprises passing or failing.

Optionally, the embodiment of the invention can also control the action indicator lamp of the test control circuit to display based on the detection result of the relay to be detected, wherein different detection results display different colors.

Optionally, after step S103, the method for detecting a metro vehicle relay provided by the embodiment of the present invention further includes steps S301 to S302.

S301, responding to the motor operation of a 'complete' button on an operation interface of the detection equipment by a user, and exiting the detection flow of the relay to be detected.

S302, based on train numbers, carriage numbers and relay type codes, test results and detection results of all test items of the relay to be detected, and a detection report of the relay to be detected is generated.

S303, outputting a detection report.

Therefore, the embodiment of the invention can generate the detection report after the relay is tested, so that the user can observe the result report, and the user can conveniently check the detection result.

Optionally, before step S102, the embodiment of the present invention may receive a selection instruction of each test item on the operation interface of the detection device from a user; the selection instruction comprises each test item to be tested of the relay to be detected;

Accordingly, step S102 may be embodied as steps S1021-S1023.

S1021, determining a plurality of program packages corresponding to the relay to be detected based on the relay type code.

And S1022, screening the program packages based on the selection instruction to obtain the program packages participating in the test of the relay to be detected.

S1023, generating a detection program of the relay to be detected based on the program package participating in the relay to be detected test.

Therefore, the embodiment of the invention can automatically screen different detection programs for testing aiming at different relays, and improves the detection efficiency of the subway vehicle relay.

The test operation flow of the relay is exemplified as in steps A1-A5.

A1, a relay of a corresponding model is inserted on the relay seat, and firm insertion is ensured.

A2, selecting a selection frame corresponding to the corresponding position number of the inserted relay on the operation interface, selecting detection content, clicking a start button, and sequentially measuring the system from coil resistance, pull-in voltage, release voltage and contact resistance. The system can quickly skip over the unchecked relay and the unchecked detection content.

A3, filling in train numbers, train numbers and code numbers of the relays, and selecting corresponding models.

A4, clicking a pause button, pausing after the measurement of the group is completed, and clicking a skip continue button to perform the measurement of the next group. Clicking the stop button stops all the system actions, clears the measured data, and the measurement needs to be started from the beginning.

A5, when the running state displays 'completion', the batch relay detection action is completed, the 'report generation' is clicked, the system starts to generate and jump out a WORD report with a fixed format from data, model information, judgment results and the like generated by the batch in the database, and the results can be checked and printed. The report is named after the test completion time and is stored in a designated hard disk folder.

The embodiment of the invention can reduce labor, accelerate work beat and improve work efficiency. The device can realize high-speed repetitive operation, can be far higher than manual work beat, and brings about great improvement of work efficiency, labor cost and reduction of management cost. And the operation precision is improved, and the product quality is improved. The automatic equipment can avoid potential threat of operation to the health and safety of workers, and the investment in the aspect of environmental safety is saved. The error rate of manual operation is greatly reduced, so that the detection is smoother and more efficient.

It should be understood that the sequence number of each step in the foregoing embodiment does not mean that the execution sequence of each process should be determined by the function and the internal logic, and should not limit the implementation process of the embodiment of the present invention.

The following are device embodiments of the invention, for details not described in detail therein, reference may be made to the corresponding method embodiments described above.

Fig. 3 shows a schematic structural diagram of a detection device of a metro vehicle relay provided by an embodiment of the invention. The detection device 400 comprises a communication module 401 and a processing module 402.

The communication module 401 is configured to obtain a train number, a carriage number and a relay type code of a metro vehicle input by a user after the user installs a relay to be detected on a detection base of the detection device.

A processing module 402, configured to determine a detection procedure of the relay to be detected based on the relay type code; based on the detection program, testing the relay to obtain test results of all test items of the relay to be detected; the test items include coil resistance, pull-in voltage, pull-out voltage, and contact resistance.

In one possible implementation, the detection device includes a computer measurement and control system and a test control circuit; the computer measurement and control system comprises: the system comprises an industrial personal computer, an IO module, an analog quantity acquisition module, a relay output module, a liquid crystal display, a printer, a current transmitter and a voltage transmitter; the test control circuit comprises a test control loop, an adjustable direct current power supply, a relay mounting seat, a voltage regulator, a transformer, a shunt, a voltmeter, an ammeter, a control switch and an action indicator lamp.

In one possible implementation, the communication module 401 is further configured to obtain a compensation resistance of the relay to be detected; the processing module 402 is further configured to determine a calculated resistance value of the relay to be detected based on the coil resistance and the compensation resistance.

In a possible implementation manner, the processing module 402 is further configured to compare a test result of each test item of the relay to be detected with the pre-input qualification standard data, and determine a detection result of the relay to be detected, where the detection result includes qualification or disqualification.

In a possible implementation manner, the processing module 402 is further configured to control the display of the action indicator of the test control circuit based on the detection result of the relay to be detected, where different detection results display different colors.

In a possible implementation manner, the processing module 402 is further configured to exit the detection process of the relay to be detected in response to the motor operation of the "complete" button on the operation interface of the detection device by the user; generating a detection report of the relay to be detected based on the test result and the detection result of each test item of the relay to be detected based on the train number, the carriage number and the relay type code; and outputting a detection report.

In a possible implementation manner, the communication module 401 is further configured to receive a selection instruction of each test item on the operation interface of the detection device by a user; the selection instruction comprises each test item to be tested of the relay to be detected; the processing module 402 is further configured to determine a plurality of program packages corresponding to the relay to be detected based on the relay type code; screening the program packages based on the selection instruction to obtain the program packages participating in the test of the relay to be detected; and generating a detection program of the relay to be detected based on the program package participating in the relay to be detected test.

Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention. As shown in fig. 4, the electronic device 500 of this embodiment includes: a processor 501, a memory 502 and a computer program 503 stored in said memory 502 and executable on said processor 501. The steps of the method embodiments described above, such as steps S101-S103 shown in fig. 2, are implemented when the processor 501 executes the computer program 503. Or the processor 501, when executing the computer program 503, performs the functions of the modules/units in the above-described device embodiments, for example, the functions of the communication module 401 and the processing module 402 shown in fig. 3.

Illustratively, the computer program 503 may be split into one or more modules/units that are stored in the memory 502 and executed by the processor 501 to accomplish the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing the specified functions, which instruction segments are used to describe the execution of the computer program 503 in the electronic device 500. For example, the computer program 503 may be divided into the communication module 401 and the processing module 402 shown in fig. 3.

The Processor 501 may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (DIGITAL SIGNAL Processor, DSP), application SPECIFIC INTEGRATED Circuit (ASIC), field-Programmable gate array (Field-Programmable GATE ARRAY, FPGA) or other Programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

The memory 502 may be an internal storage unit of the electronic device 500, such as a hard disk or a memory of the electronic device 500. The memory 502 may also be an external storage device of the electronic device 500, such as a plug-in hard disk, a smart memory card (SMART MEDIA CARD, SMC), a Secure Digital (SD) card, a flash memory card (FLASH CARD) or the like, which are provided on the electronic device 500. Further, the memory 502 may also include both internal storage units and external storage devices of the electronic device 500. The memory 502 is used for storing the computer program and other programs and data required by the terminal. The memory 502 may also be used to temporarily store data that has been output or is to be output.

It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions. The functional units and modules in the embodiment may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit, where the integrated units may be implemented in a form of hardware or a form of a software functional unit. In addition, the specific names of the functional units and modules are only for distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working process of the units and modules in the above system may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal and method may be implemented in other manners. For example, the apparatus/terminal embodiments described above are merely illustrative, e.g., the division of the modules or units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection via interfaces, devices or units, which may be in electrical, mechanical or other forms.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.

The integrated modules/units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the present invention may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the computer program may implement the steps of each of the method embodiments described above. Wherein the computer program comprises computer program code which may be in source code form, object code form, executable file or some intermediate form etc. The computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth.

The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention.

Claims (10)

1. The detection method of the subway vehicle relay is characterized by being applied to detection equipment of the subway vehicle relay, wherein the detection equipment comprises a plurality of detection bases, and the detection bases are used for installing a plurality of relays to be detected in a hot plug mode; the detection method comprises the following steps:

After a user installs a relay to be detected on a detection base of the detection equipment, acquiring a train number, a carriage number and a relay type code number of the subway vehicle input by the user;

Determining a detection program of the relay to be detected based on the relay type code;

based on the detection program, testing the relay to obtain test results of all test items of the relay to be detected; the test items include coil resistance, pull-in voltage, pull-out voltage, and contact resistance.

2. The method for detecting a metro vehicle relay as claimed in claim 1, wherein the detection apparatus comprises a computer measurement and control system and a test control circuit;

The computer measurement and control system comprises: the system comprises an industrial personal computer, an IO module, an analog quantity acquisition module, a relay output module, a liquid crystal display, a printer, a current transmitter and a voltage transmitter;

the test control circuit comprises a test control loop, an adjustable direct-current power supply, a relay mounting seat, a voltage regulator, a transformer, a shunt, a voltmeter, an ammeter, a control switch and an action indicator lamp.

3. The method for detecting a metro vehicle relay as claimed in claim 1, further comprising:

Acquiring a compensation resistance of the relay to be detected;

and determining the calculated resistance value of the relay to be detected based on the coil resistance and the compensation resistance.

4. The method for detecting a metro vehicle relay as claimed in claim 1, further comprising:

And comparing the test results of all test items of the relay to be detected with pre-input qualified standard data to determine the detection results of the relay to be detected, wherein the detection results comprise qualified or unqualified.

5. The method for detecting a metro vehicle relay as claimed in claim 4, further comprising:

And controlling the action indicator lamp of the test control circuit to display based on the detection result of the relay to be detected, wherein different detection results display different colors.

6. The method for detecting a metro vehicle relay as claimed in claim 4, further comprising:

Responding to the motor operation of a 'complete' button on an operation interface of the detection equipment by a user, and exiting the detection flow of the relay to be detected;

Generating a detection report of the relay to be detected based on the train number, the carriage number and the relay type code, wherein the test result and the detection result of each test item of the relay to be detected;

and outputting the detection report.

7. The method for detecting a relay for a metro vehicle according to claim 4, wherein before determining a detection program for the relay to be detected based on the relay type code, the method further comprises:

Receiving a selection instruction of a user for each test item on an operation interface of the detection equipment; the selection instruction comprises each test item to be tested of the relay to be detected;

correspondingly, the determining the detection program of the relay to be detected based on the relay type code comprises the following steps:

determining a plurality of program packages corresponding to the relay to be detected based on the relay type code;

screening the program packages based on the selection instruction to obtain program packages participating in the test of the relay to be detected;

And generating a detection program of the relay to be detected based on the program package participating in the relay to be detected test.

8. Detection device of subway vehicle relay, characterized by, include:

The communication module is used for acquiring the train number, the carriage number and the relay type code number of the subway vehicle input by a user after the user installs the relay to be detected on the detection base of the detection equipment;

The processing module is used for determining a detection program of the relay to be detected based on the relay type code; based on the detection program, testing the relay to obtain test results of all test items of the relay to be detected; the test items include coil resistance, pull-in voltage, pull-out voltage, and contact resistance.

9. An electronic device comprising a memory storing a computer program and a processor for invoking and running the computer program stored in the memory to perform the steps of the method according to any of claims 1 to 7.

10. The detection equipment of the subway vehicle relay is characterized by comprising a computer measurement and control system and a test control circuit;

The computer measurement and control system comprises: the system comprises an industrial personal computer, an IO module, an analog quantity acquisition module, a relay output module, a liquid crystal display, a printer, a current transmitter and a voltage transmitter;

the test control circuit comprises a test control loop, an adjustable direct-current power supply, a relay mounting seat, a voltage regulator, a transformer, a shunt, a voltmeter, an ammeter, a control switch and an action indicator lamp.