CN216116793U - Electric locomotive 6A system part test bench - Google Patents

Abstract

The utility model provides a test bed for a 6A system component of an electric locomotive, which comprises a bed body and is characterized in that the bed body comprises a power box detection area, a mainframe box detection area, a display detection area and a tool area, wherein the power box detection area, the mainframe box detection area and the display detection area are respectively provided with an idle panel and a power supply; the power box detection area be provided with power box detection mechanism, mainframe box detection mechanism and display detection mechanism in mainframe box detection area and the display detection area respectively. The simulator is adopted to simulate the working environment of the electric locomotive, the working state parameters of the subsystem board cards under the current simulated working environment are detected through the sensor and transmitted to the all-in-one machine to be compared and judged whether all the components of the system are in a normal working state or not, and data values are stored and printed through the printer, so that all functions and technical parameters of the central processing platform, the subsystem board cards and the peripheral sensors of the 6A system are overhauled on the ground.

Description

Electric locomotive 6A system part test bench

Technical Field

The utility model relates to the technical field of electric locomotive system component tests, in particular to a test bed for a 6A system component of an electric locomotive.

Background

With the operation of the 6A system, the detection, the overhaul and the maintenance of each part of the vehicle-mounted device are gradually brought into the daily work of each railway bureau and the locomotive service section, and special ground detection equipment is required to be equipped in the field operation to comprehensively detect whether each function and technical parameter of the 6A system central processing platform, each subsystem board card and the peripheral sensor meet the requirements of the ministry technical conditions. Aiming at the detection, overhaul and maintenance requirements of the 6A system in the field application process of each railway bureau and locomotive service section, a test bed for the parts of the 6A system of the electric locomotive is developed. And various functions and technical parameters of the 6A system central processing platform, each subsystem board card and the peripheral sensor are subjected to field inspection on an overhaul field, and the method has great significance for improving the reliability of the 6A system in the operation process. The defects and shortcomings of the prior art are as follows:

due to the lack of ground detection environment, the maintenance condition of the faulty component cannot be known. At present, the detection of each part of a 6A system can only be carried out on a locomotive by using an original device, which brings great difficulty to fault maintenance, and because the loading and power-on test needs the cooperation of different departments, the time consumption is long and the efficiency is low.

Disclosure of Invention

According to the technical problem, the utility model provides the electric locomotive 6A system component test bed, which simulates a test environment through electric signals, and then transmits the working state of a mainboard to be tested into a whole through an inductor to be compared with a set threshold value, so that the parts of the 6A system can be overhauled on the ground.

In order to achieve the technical effects, the utility model adopts the following technical scheme: a test bed for a 6A system component of an electric locomotive comprises a bed body and is characterized in that the bed body comprises a power box detection area, a mainframe box detection area, a display detection area and a tool area, wherein the power box detection area, the mainframe box detection area and the display detection area are respectively provided with an idle panel and a power supply; the power box detection area be provided with power box detection mechanism, mainframe box detection mechanism and display detection mechanism in mainframe box detection area and the display detection area respectively, power box detection mechanism mainframe box detection mechanism with display detection mechanism is connected with the all-in-one respectively, the all-in-one sets up in the instrument district.

The utility model is further provided with: the power box detection mechanism, the mainframe box detection mechanism and the display detection mechanism respectively comprise a simulator used for simulating a test environment electric signal and an inductor used for detecting the working state of the power box/mainframe box/display.

The utility model is further provided with: the simulator comprises an air pressure simulation box, a flow controller, a current output module, a high-voltage insulation detection box and a fire detection tester.

The utility model is further provided with: the sensor comprises a pressure sensor, a flow sensor, a leakage current detection module, a high-voltage transformer, a smoke temperature composite probe, a high-temperature probe and a flame probe.

The utility model is further provided with: the all-in-one machine is connected with a printer circuit. The test result can be printed in the test process or after the test is finished, so that the test result is convenient to watch and store.

The utility model is further provided with: the table body is provided with an emergency power-off function key, and the emergency power-off function key is connected with a power supply circuit. The device has an emergency power-off function, and the test safety is improved.

In summary, compared with the prior art, the beneficial technical effects of the utility model are as follows: the utility model provides a test bed for a 6A system component of an electric locomotive, which comprises a bed body and is characterized in that the bed body comprises a power box detection area, a mainframe box detection area, a display detection area and a tool area, wherein the power box detection area, the mainframe box detection area and the display detection area are respectively provided with an idle panel and a power supply; the power box detection area be provided with power box detection mechanism, mainframe box detection mechanism and display detection mechanism in mainframe box detection area and the display detection area respectively, power box detection mechanism mainframe box detection mechanism with display detection mechanism is connected with the all-in-one respectively, the all-in-one sets up in the instrument district. The simulator is adopted to simulate the working environment of the electric locomotive, the working state parameters of the subsystem board cards under the current simulated working environment are detected through the sensor and transmitted to the all-in-one machine to be compared and judged whether all the components of the system are in a normal working state or not, and data values are stored and printed through the printer, so that all functions and technical parameters of the central processing platform, the subsystem board cards and the peripheral sensors of the 6A system are overhauled on the ground.

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 these drawings without creative efforts.

FIG. 1 is a top view of a test bed of an electric locomotive 6A provided by the present invention;

FIG. 2 is a schematic diagram of a testing process of a test bed of an electric locomotive 6A according to the present invention;

fig. 3 is a schematic diagram of the inductor.

The reference numerals are explained below:

table body 1, power supply box detection zone 11, mainframe box detection zone 12, display detection zone 13, instrument district 14, empty panel 2, power supply 3, emergency power-off function button 4, power supply box detection mechanism 5 mainframe box detection mechanism 6, display detection mechanism 7, all-in-one 8, simulator 9, atmospheric pressure simulation case 91, flow controller 92, current output module 93, high-voltage insulation detection case 94, fire detection tester 95, inductor 10, pressure sensor 101 and flow sensor 102, leakage current detection module 103, high-voltage transformer 104, smoke temperature composite probe 105, high-temperature probe 106 and flame probe 107.

The specific implementation mode is as follows:

example 1

As shown in the figure, the electric locomotive 6A system component test bed comprises a bed body 1 and is characterized in that the bed body 1 comprises a power box detection area 11, a main case detection area 12, a display detection area 13 and a tool area 14, wherein the power box detection area 11, the main case detection area 12 and the display detection area 13 are respectively provided with an idle panel 2 and a power supply 3; power supply box detection zone 11 be provided with power supply box detection mechanism 5, mainframe box detection mechanism 6 and display detection mechanism 7 in mainframe box detection zone 12 and the display detection zone 13 respectively, power supply box detection mechanism 5, mainframe box detection mechanism 6 and display detection mechanism 7 are connected with all-in-one 8 respectively, all-in-one 8 sets up in instrument district 14.

Further, the power box detection mechanism 5, the main case detection mechanism 6 and the display detection mechanism 7 respectively include a simulator 9 for simulating a test environment electrical signal and a sensor 10 for detecting an operating state of the power box/main case/display.

Further, the simulator 9 includes an air pressure simulation box 91, a flow controller 92, a current output module 93, a high voltage insulation detection box 94, and a fire detection tester 95.

Further, the sensor 10 includes a pressure sensor 101, a flow sensor 102, a leakage current detection module 103, a high voltage transformer 104, a smoke temperature composite probe 105, a high temperature probe 106 and a flame probe 107.

Further, the all-in-one machine 8 is connected with a printer circuit.

Further, an emergency power-off function key 4 is arranged on the table body 1, and the emergency power-off function key 4 is in circuit connection with the power supply 3.

Example 2

The air brake safety monitoring subsystem is one of the components of the 6A system and comprises a parking brake abnormal application monitoring module and a folding angle cock closing monitoring module. The parking brake abnormal application monitoring module consists of a brake monitoring board card, a train pipe pressure sensor, a parking cylinder pressure sensor, a balance cylinder pressure sensor, a sensor connector and a cable. The folded angle plug door closing monitoring module consists of an anti-folding shutter plate, a flow sensor assembly, a sensor cable and a connector.

When the brake subsystem is tested, the simulator 9 is an air pressure simulation box 91 and a flow controller 92, the sensor 10 is a pressure sensor 101 and a flow sensor 102, the air pressure simulation box 91 simulates a pressure value required by the test, the flow controller 92 provides a standard simulation flow value, a to-be-tested mainframe box is inserted on a test bed, the current working state, the pressure value and the flow value of the brake subsystem board card are collected through the pressure sensor 101 and the flow sensor 102, the collected data are transmitted into the all-in-one machine 8, and whether the precision and the function of the brake subsystem board card meet the requirements or not is judged and analyzed. The working principle diagram is as follows:

according to a performance test method specified by technical conditions (draft 20140820) of a locomotive air brake safety monitoring subsystem of a TJJJW 001B-2014 locomotive vehicle-mounted safety protection system (6A system), the following test methods are adopted for a pressure transmitter, a flow transmitter and a brake board card:

testing the pressure transmitter: the pressure transmitter is arranged on a 6A system comprehensive test bed to perform a pressure transmitter performance test, the precision of the pressure transmitter is tested in a multipoint measurement mode, and whether the pressure transmitter meets the requirements of the ministry-issued documents or not is judged.

Testing the flow transmitter: the flow transmitter is installed on a 6A system comprehensive test bed to perform a flow transmitter performance test, the accuracy of the flow transmitter is tested in a multi-point measurement mode, and whether the flow transmitter meets the requirements of the ministry-issued documents or not is judged.

The test process of the brake plate card is as follows:

1) testing the communication function of the brake plate card: inserting the brake board card into a 6A system mainframe box, applying pressures of a simulation train pipe, a parking cylinder and a balance cylinder, and applying a simulation flow value, wherein a brake board card test interface of a 6A system comprehensive test bed can display brake subsystem data, so as to judge whether the communication function of the brake board card is normal;

2) and (3) performing a parking brake abnormal application function test: inserting a brake board card into a 6A system mainframe box, wherein the pressure of a simulated parking cylinder of a 6A system comprehensive test bed is less than 300kPa, the 6A system comprehensive test bed simultaneously sends a simulated locomotive speed message, so that the locomotive speed is greater than 5km/h, the brake board card can generate a parking brake abnormal application alarm, and whether the parking brake abnormal application function of the brake board card is normal is judged;

3) the folding angle cock closing detection function test: and (3) inserting the brake board card into a 6A mainframe box, simulating a decompression exhaust process under the constant pressure of 600kPa by a 6A system comprehensive test bed, and judging whether the information error of the number of the run-through vehicles calculated by the brake board card meets the requirement.

Example 3

The train power supply system is an important device on an electric locomotive, a high-power transformer on the electric locomotive converts a power supply of a power supply network into alternating current, and then the alternating current is converted into a direct current power supply through a half-controlled rectifier bridge of a thyristor and is output to a train power utilization system for use. The locomotive train power supply monitoring subsystem is one of the components of the 6A system and comprises a train power supply monitoring board card, a leakage current detection module, a connector and a cable.

When the simulator 9 is the current output module 93 and the inductor 10 is the leakage current detection module 103, the current output module 93 simulates a locomotive leakage current signal to be input to the column common subsystem leakage current module, the current detection module 103 measures multiple points to check whether the precision of the leakage current module meets working requirements, in work, the 6A system comprehensive test bench sends simulated train power supply information to the column supply subsystem board card through a 485 bus, simultaneously collects the current working state of the column supply subsystem board card and train power supply information collected by the board card, and judges whether the functions of the column supply subsystem board card meet the requirements by comparing the simulated input train power supply information with the output train power supply information of the column supply subsystem board card.

Specifically, the leakage current detection module 103 is installed in the train power supply cabinet, and the installation number is consistent with the number of power supply circuits of the train power supply cabinet. The principle is as follows:

according to a leakage current module performance test specified by technical conditions (draft 20140820) of a train power supply monitoring subsystem of a locomotive of a TJJJW 001E-2014 locomotive vehicle-mounted safety protection system (6A system), a 6A system comprehensive test bed adopts the detection precision of a multi-point measurement leakage current module for the leakage current module, and judges whether the leakage current module meets the requirements of ministry issued documents. The train power supply monitoring board card is inserted into the 6A system mainframe box, and after the power supply monitoring board card is powered on, the current communication state and communication data of the train power supply monitoring board card can be displayed in a train power supply board card test page of the 6A system comprehensive test stand, so that whether the communication function of the train power supply monitoring board card is normal or not is judged.

Example 4

When testing the high-voltage insulation detection subsystem, the simulator 9 is a high-voltage insulation detection box 94, and the inductor is a high-voltage transformer 104; the integrated machine 8 controls the high-voltage insulation detection box 91 to perform short circuit test and open circuit test on the high-voltage insulation subsystem board card respectively, an external network is subjected to electric test and electric key opening test, the working state and the insulation detection value of the high-voltage insulation subsystem board card are collected simultaneously, and whether the high-voltage insulation subsystem board card meets the requirements or not is judged through test result analysis.

When the high-voltage insulation detection box works, the high-voltage insulation detection box 94 organically combines a closed-loop switching power supply detection technology and a direct current inversion alternating current technology, converts direct current of a storage battery into sine alternating current and applies the sine alternating current to the secondary side of the high-voltage transformer, and therefore the primary side of the high-voltage transformer 104 induces 25kV high-voltage electric simulation bow net online voltage. The working principle is as follows:

according to the technical conditions (draft printed 20140820) of the locomotive high-voltage insulation detection subsystem of the TJJJW 001D-2014 locomotive vehicle-mounted safety protection system (6A system), the test principle and the test method of the 6A system comprehensive test bed for the high-voltage insulation detection subsystem are as follows:

1) communication function detection, namely enabling a key of the high-voltage insulation detection box 94 to be in an 'on' state, enabling the high-voltage insulation detection box 94 to start self-checking, enabling a 'self-checking' indicator lamp to flicker in the self-checking process, enabling the 'self-checking' indicator lamp to be turned off after the self-checking is finished, displaying that the self-checking is successful, and simultaneously enabling the indicator lamp to start second flashing when the indicator lamp is operated, wherein the self-checking state of the high-voltage insulation box 91 is required to be displayed on an audio and video terminal of a 6A system central processing platform and a high-voltage insulation detection box 94 test page of a 6A system comprehensive test bench, and displaying that the self-checking is successful after the self-checking is finished, so that whether the high-voltage insulation detection box 94 can normally communicate is judged;

2) in the no-load test, the 6A system comprehensive test bed enables the output end of the high-voltage insulation detection box 94 to be in a no-load state by controlling a relay, after the high-voltage insulation detection box 94 is electrified to finish self-detection, any button of 'ex-warehouse detection' or 'operation detection' is pressed to start detection, an insulation detection indicator lamp flickers, and after the test is finished, the test page of the 6A system comprehensive test bed high-voltage insulation detection box 94 should display the insulation detection voltage of 25 +/-3 kV;

3) the short circuit test is carried out, namely, the output end of a high-voltage insulation detection box 91 is in a short circuit state by a 6A system comprehensive test bed through a control relay, after the high-voltage insulation detection box 94 is electrified to complete self-detection, any button of 'ex-warehouse detection' or 'operation detection' is pressed at the moment to start detecting the flicker of an insulation detection indicator lamp, after the test is finished, the test page of the high-voltage insulation detection box 94 of the 6A system comprehensive test bed should display that the insulation detection voltage is 0-1 kV, the insulation indicator lamp is on, and a buzzer alarms;

4) the external network application test comprises that a 6A system comprehensive test bed enables an external network analog alternating voltage signal to be connected to the output end of a high-voltage insulation detection box 94 by controlling a relay, after the high-voltage insulation detection box 91 is electrified to complete self-test, an indicator lamp of the high-voltage insulation detection box 94 that the external network is electrified is normally on, a buzzer alarms at the same time, a display screen displays that the external network is electrified, and at the moment, a 'ex-warehouse detection' or 'operation detection' button is pressed, so that the detection link cannot be carried out;

5) electric key application test: the integrated test bed of the 6A system enables an electric key signal to be connected into the high-voltage insulation detection box 94 through controlling the relay, after the high-voltage insulation detection box 94 is electrified to complete self-checking, an 'electric key on' indicator lamp is normally on, meanwhile, a buzzer alarms, a display screen displays that the 'electric key is on', and at the moment, a 'ex-warehouse detection' button or a 'running detection' button is pressed, so that the detection link cannot be carried out.

Example 5

The 6A system fireproof monitoring subsystem mainly comprises a fireproof board card (AF), an intelligent smoke temperature composite detector, an intelligent high-temperature detector, a flame detector and the like. The 6A system comprehensive test bed provides a full-function fire detection tester for the fire prevention subsystem test, and can simulate smoke, high temperature and flame environments to test the alarm function of the fire prevention subsystem detector. The integrated test bench of the 6A system can also apply the fire prevention bus short circuit and the fire prevention bus open circuit fault to the fire prevention subsystem board card through the multi-path relay control board card, thereby detecting whether the fire prevention subsystem board card works normally.

When the fire protection subsystem is tested, the simulator 9 utilizes the fire detection tester 95, the sensor 10 utilizes the corresponding smoke temperature composite probe 105, the high temperature probe 106 and the flame probe 107, the fire detection tester 95 generates smoke, high temperature and flame environments for the corresponding smoke temperature composite probe 105, the high temperature probe 106 and the flame probe 107 respectively, the test bench collects state information of the board card of the fire protection subsystem and alarm information of the corresponding probe, and whether the board card and the probe of the fire protection subsystem meet requirements or not is judged by analyzing a test result. Specifically, the method comprises the following steps: according to technical conditions (draft 20140820) of a locomotive fire protection monitoring subsystem of a TJJW 001C-2014 locomotive vehicle-mounted safety protection system (6A system), a test flow and a test method of a 6A system comprehensive test bench for a fire protection subsystem are as follows:

1) the type of the fire-proof detector is automatically identified, namely, a fire-proof board card is inserted into a 6A system mainframe box, the fire-proof detector 95 is installed on a platform body 1 of a 6A system comprehensive test bed, and a fire-proof subsystem test page of the 6A system comprehensive test bed is used for automatically updating information (probe number, probe type and probe state) of the fire-proof detector;

2) the fire detector alarm function check, namely, the test end of a full-function fire detection tester 95 is close to the fire detector to emit smoke or high temperature, the detector operation indicator lamp is turned to be normally on, the test page of the audio and video terminal of the 6A system central processing platform and the fire subsystem of the 6A system comprehensive test bed displays the alarm information, and the alarm disappears after the reset button of the fire monitoring board card is pressed;

3) the short-circuit test is that the 6A system comprehensive test bed makes the fireproof bus in a short-circuit state through a relay control board card, the 6A system central processing platform audio and video terminal should display the short-circuit alarm of the fireproof probe bus, and the 6A system comprehensive test bed judges whether the short-circuit alarm function of the fireproof probe bus is normal according to the alarm information reported by the fireproof board card;

4) an open circuit test is carried out, wherein the 6A system comprehensive test bed enables the fireproof bus to be in an open circuit state through a relay control board card, the 6A system central processing platform audio and video terminal should display an open circuit alarm of the fireproof probe bus, and the 6A system comprehensive test bed judges whether the open circuit alarm function of the fireproof probe bus is normal or not according to alarm information reported by the fireproof board card;

5) and (4) testing the reset function, namely sending a reset command to the fireproof board card by the 6A system comprehensive test bed, and judging whether the reset function is normal or not by observing whether the fireproof board card is reset or not.

Example 6

The automatic video monitoring and recording subsystem of the locomotive is one of 6A systems, and comprises a camera, a video acquisition board card 1 (AV 1), a video acquisition board card 2 (AV 2), a video processing board card (AV 3), a connector and a cable. The user judges whether the video board card and the camera meet the requirements by checking the video images collected by the camera and the working state of the video board card.

According to the technical conditions (draft printed 20140820) of the locomotive automatic video monitoring and recording subsystem of the TJJJW 001G-2014 locomotive vehicle-mounted safety protection system (6A system), the test principle and the test method of the 6A system comprehensive test bed for the video monitoring subsystem are as follows:

1) the video board communication function test comprises the steps of inserting a video board into a 6A system mainframe box, obtaining the current state of each channel of the video board by a 6A system comprehensive test bed through analyzing a video board protocol message after the video board is powered on and started, displaying the current state on a video subsystem test page, and judging whether the video board can normally communicate or not by observing the state information of the video subsystem test page of the 6A system comprehensive test bed through an integrated machine;

2) the camera image acquisition function test comprises the steps of inserting a video board card into a 6A system mainframe box, connecting a camera to the corresponding position of a 6A system comprehensive test bench part test bench, checking whether a 6A system audio and video display terminal can normally display video images and whether the image quality is clear, distortion-free, jitter-free and smooth, and judging whether the camera normally works or not;

3) a 6A system integrated test bed respectively distributes 1 channel of analog video signals input by a camera to 1-7 channels of an AV1 board through a video frequency divider, inserts the video board into a 6A system mainframe box on 9-15 channels of an AV2 board, the camera is connected to the corresponding position of a 6A system integrated test bed component test bed, a user can see video images of related channels through a 6A system audio and video display terminal, and if the video channels are normally set, only one video channel can not see the video images, the video channel goes wrong;

4) and (3) testing the storage state: the AV3 board card determines whether the state of the storage hard disk is normal through a self-checking function, then uploads the state to a 6A system comprehensive test bed, and the current state of the storage hard disk can be seen on a video subsystem test page of the 6A system comprehensive test bed;

5) information superposition checking, namely checking the video subtitle superposition condition of each channel on the audio and video display terminal of the central processing platform, wherein the video subtitle superposition condition comprises the contents of a monitoring area, the number of vehicles, the number of locomotives, time, kilometer posts, speed and the like;

6) and (3) checking video downloading, namely inserting an authorized USB storage device on a USB interface of an AV3 board panel, wherein the video data file can be normally downloaded, flashing D7 during downloading, and extinguishing D7 after downloading is finished.

Example 7

The 6A system central processing platform is a core component of the 6A system, is a necessary and core information carrier of the 6A system, and bears the data storage, data transmission, data display and other works of each monitoring subsystem, the core processing module in the integrated machine 8 interacts with the 6A system central processing platform to complete the test of the board card and the peripheral sensor of each subsystem of the 6A system in a matched mode, and meanwhile, the 6A system comprehensive test bench bears the test work of the 6A system central processing platform. According to the technical conditions (draft 20140820) of the central processing platform of the TJJW 001A-2014 locomotive vehicle-mounted safety protection system (6A system), the test principle and the test method of the 6A system comprehensive test bed on the central processing platform are as follows:

1) the audio and video display terminal test comprises the steps of inserting a central processing platform processing board card, a storage board card, a switching board card and a CAN isolation board card into a 6A system mainframe box, installing the audio and video display terminal to a corresponding position of a 6A system comprehensive test bench component test bench, checking whether the audio and video terminal CAN observe the monitoring content of a subsystem after power-on operation, simulating a 'fireproof bus short circuit' fault by using the 6A system comprehensive test bench, and sending a corresponding voice alarm by the audio and video terminal;

2) a subsystem correlation diagnosis function test, namely simulating the probe alarm of a fire prevention monitoring subsystem by using a full-function fire detection tester, wherein the audio and video display terminal of the central processing platform can be automatically switched to a video channel corresponding to the probe;

3) the public information sending function detection comprises that a 6A system comprehensive test bed simulation LKJ2000 system sends a simulation locomotive information message to a central processing platform, the central processing platform can broadcast the simulation locomotive information message, and if the 6A system comprehensive test bed can receive the locomotive information message broadcast by the central processing platform, the public information sending function of the central processing platform is normal;

4) the data download function test comprises the steps of connecting an authorized blank mobile storage device with a USB interface of a processing board card, displaying download progress on a display screen of a panel of the processing board card, and checking that a data file is required to be stored in the USB mobile storage device by using a computer after the download is finished;

5) and (3) testing the output accuracy of the power supply box power supply board card, namely, a 6A system comprehensive test bed respectively collects and displays 24V voltage values and 12V voltage values output by the 24V power supply board card and the 12V power supply board card of the power supply box by utilizing the AD board card, and can collect and record the voltage values output by each power supply board card and the power supply board card in a multi-path composite mode by utilizing the function, so that whether the power supply output board card meets the requirements or not is judged.

In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "rear", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily make changes or variations within the technical scope of the present invention disclosed, and such changes or variations should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. A test bed for a 6A system component of an electric locomotive comprises a bed body (1) and is characterized in that the bed body (1) comprises a power box detection area (11), a main case detection area (12), a display detection area (13) and a tool area (14), wherein an open panel (2) and a power supply (3) are arranged on the power box detection area (11), the main case detection area (12) and the display detection area (13); the power box detection area (11), be provided with power box detection mechanism (5), mainframe box detection mechanism (6) and display detection mechanism (7) in mainframe box detection area (12) and display detection area (13) respectively, power box detection mechanism (5) mainframe box detection mechanism (6) with display detection mechanism (7) are connected with all-in-one (8) respectively, all-in-one (8) set up in tool space (14).

2. The electric locomotive 6A system component test bed according to claim 1, characterized in that the power box detection mechanism (5), the main chassis detection mechanism (6) and the display detection mechanism (7) respectively comprise a simulator (9) for simulating test environment electric signals and a sensor (10) for detecting the working state of subsystem board cards in the power box/main chassis/display.

3. The electric locomotive 6A system component test stand of claim 2, characterized in that the simulator (9) comprises a pneumatic simulation box (91), a flow controller (92), a current output module (93), a high voltage insulation detection box (94) and a fire detection tester (95).

4. The electric locomotive 6A system component test stand of claim 2, characterized in that the sensors (10) comprise a pressure sensor (101) and a flow sensor (102), a leakage current detection module (103), a high voltage transformer (104), a smoke temperature composite probe (105), a high temperature probe (106) and a flame probe (107).

5. The electric locomotive 6A system component test bed according to claim 1, characterized in that the all-in-one machine (8) is connected with a printer circuit.

6. The electric locomotive 6A system component test bed according to claim 1, characterized in that the bed body (1) is provided with an emergency power-off function key (4), and the emergency power-off function key (4) is electrically connected with the power supply (3).

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