Coding channel testing device for rail transit
By designing a coding channel test device and using analog circuits and indicator lights to replace actual circuits, the problem of functional testing of the electronically coded target controller system was solved, product quality control and rapid fault location were achieved, and production efficiency and fault repair capabilities were improved.
Patent Information
- Application Number
- CN202422147898.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-09-02
AI Technical Summary
Existing technologies make it difficult to effectively test the functions of electronically coded target controller systems, resulting in unstable quality and difficulty in locating board faults during mass production.
A coding channel test device is designed. The actual circuit is replaced by a simulated circuit and indicator light. The coding cable and track transmission cable are used to connect the electronic coding chassis. Functional testing is performed in combination with industrial computer software.
It achieves effective testing of the system functions of the coded target controller, ensures qualified product quality, and can quickly locate board faults, thereby improving production efficiency and fault repair capabilities.
Smart Images
Figure CN223333303U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to a testing device in the field of rail transportation, in particular to a coding channel testing device for rail transportation. Background Art
[0002] The ECM module, or electronic target controller system module, is a module of the JD-OCS target controller system. The JD-OCS target controller system (model: JD-OCS) is a high-performance target control system that uses redundant channels for information exchange with the safety host subsystem. It is primarily responsible for controlling and collecting information from signaling equipment such as switches, signals, track circuits, electronic coding, and semi-automatic and automatic inter-station blocking. The JD-OCS target controller system consists of six controller execution units: the AC switch target controller system, the DC switch target controller system, the AC signal target controller system, the track circuit target controller system, the electronic coding target controller system, and the voltage input and output target controller system. The electronic coding target controller system provides two sets of electronic coding control interfaces, which directly control outdoor electronic coding equipment and collect information about their code alarm conditions through the electronic coding interface units (ECTGC, ECT1BM, and ECT2BM). Utility Model Content
[0003] The purpose of the utility model is to provide a coding channel test device for rail transit, so as to be able to test the function of the electronic coding target controller system, ensure the quality of finished products in mass production, qualified functions, and the ability to quickly locate products for board fault repair.
[0004] The technical solution of the utility model is: to relate to a coding channel test device for rail transit, which is characterized by comprising: a track transmission channel test simulation unit, which is connected to 8 ECM modules respectively through track transmission input cables, wherein the GC_IN1+ / P2, GC_IN1- / P3, GC_IN2+ / P4, and GC_IN2- / P5 modules of the 8-way ECM modules respectively control the corresponding power supply interface to provide 220V voltage through the above-mentioned switches SW1 and SW2; the two-way signals of the multi-way ECM modules GC1+ / P13 and GC1- / P39 are transmitted through the track transmission cable to control the incandescent lamp LAMP1, and the two-way signals of the ECM modules GC2+ / P25 and GC2- / P51 are transmitted through the track transmission cable to control the incandescent lamp LAMP2, and the ECM modules GC The two signals of ECM module GC3+ / P10 and GC3- / P36 are transmitted through the rail to control the incandescent lamp LAMP3. The two signals of ECM module GC4+ / P22 and GC4- / P48 are transmitted through the rail to control the incandescent lamp LAMP4. The two signals of ECM module GC5+ / P19 and GC5- / P45 are transmitted through the rail to control the incandescent lamp LAMP5. The two signals of ECM module GC6+ / P4 and GC6- / P30 are transmitted through the rail to control the incandescent lamp LAMP6. The two signals of ECM module GC7+ / P16 and GC7- / P42 are transmitted through the rail to control the incandescent lamp LAMP7. The two signals of ECM module GC8+ / P1 and GC8- / P27 are transmitted through the rail to control the incandescent lamp LAMP8.
[0005] The track transmission channel test simulation unit includes: a voltage source for providing a working voltage to the circuit, an industrial computer, a 24V DC power supply, a coding channel test simulation device, a track transmission channel test simulation unit, an electrocoding chassis, two OCM boards, two OCT boards, four ECTGC terminal boards, four ECT1BM terminal boards, and a multi-channel ECM module; the two OCM boards are inserted into slot 2 of the front 1 of the electrocoding chassis; the two OCT boards are inserted into slots 1 and 2 at the back of the electrocoding chassis, the three ECM module cards are inserted into slots 4, 5, and 6 at the front, the two ECTGC terminal boards are inserted into slots 3 and 5 at the back of the chassis; and the two ECT1BM terminal boards are inserted into slots 4 and 6 at the back of the chassis.
[0006] The serial port of the ECM module is connected to the serial port of the industrial computer, the network port of the OCT board is connected to the network port of the industrial computer, the power interface of the OCT board is connected to the 24V power supply, and the coded track input and output cables are used to connect the ECTGC terminal board and the track channel test simulation unit, and the basic module and the expansion module are connected with a cascade line. The coded coding cable is used to connect the ECT1BM terminal board and the coding channel and the FBJ test simulation device, and the basic module and the expansion module are connected with a cascade line.
[0007] The electronically coded chassis is a standard 19-inch 6U chassis with a front and rear plug-in structure design. Its overall dimensions are 482.6mm×480.5mm×265.9mm. A backplane is installed in the chassis, providing a physical channel for interaction between the various boards in the system. Coding cables, track input cables, track output cables, etc. are used to connect to the electronically coded chassis. Open the industrial computer and run the JDOCSPT software to test the function of the ECM module to be tested.
[0008] The OCM board is a communication control module, responsible for information exchange with other electronic execution modules to jointly complete the functions of the system;
[0009] The OCT board is a communication control module interface unit, providing four 10 / 100M Ethernet electrical ports and responsible for completing the access of Ethernet services;
[0010] The ECM module is an electrocoding module, which is used to provide two sets of electrocoding control interface units. The electrocoding control interface units include: ECTGC board, ECT1BM board, and ECT2BM board. The electrocoding control interface units are used to directly control outdoor electrocoding equipment and collect the coding alarm conditions of the electrocoding equipment.
[0011] The ECTGC board is an electronically coded track transmission channel control interface unit, which provides two sets of electronically coded code channel input and output interfaces and an inter-board cascade interface, and is responsible for the transfer of ECM track transmission signal input and output.
[0012] The advantages of the utility model are: using coding channel test simulation circuits and track transmission channel test simulation circuits instead of actual circuits, using indicator lights instead of actual loads, using coding cables, track transmission input cables, track transmission output cables, etc. to connect with the electronic coding chassis, it can test the functions of the electronic coding target controller system, ensure the quality of finished products in mass production, qualified functions, and the ability to quickly locate products for board fault repair. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of a coding channel test simulation device;
[0014] Figure 2 This is the schematic diagram of the track transmission channel test simulation device;
[0015] Figure 3 It is a coded chassis interface structure diagram.
[0016] In the picture: 1. SW1-SW8. Switches, 2. LED1-LED16. LED indicator lights, 3. LAMP1-LAMP8. Incandescent lamps. DETAILED DESCRIPTION
[0017] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose, the specific implementation methods and structural features of the circuit and working process of the present invention are described below in conjunction with the accompanying drawings. The detailed description is as follows.
[0018] like Figure 1 As shown, the utility model relates to a coding channel test device for rail transit, which is characterized by comprising: a first group of main coding power switches SW1, a second group of main coding power switches SW2, a first group of +1 coding power switches SW3, a second group of +1 coding power switches SW4, an I series board FBJ1 analog switch SW5, an I series board FBJ2 analog switch SW6, an II series board FBJ1 analog switch SW7, an II series board FBJ2 analog switch SW8, 1-8 main coding channel output loads and indicator lights LED1-8, 1-8 +1 coding channel output loads and indicator lights LED9-16; LED1-16 uses an LED indicator light with a working voltage of DC24V and a working current of 15mA. A~25mA, the coding channel test simulation device is connected to the ECM module through the coding cable, the coding channel test simulation device is connected to the ECM module M1-DC24V / P5, M1-DC24V / P6, S1-DC24V / P31, S2-DC24V / P32 through the coding cable, and SW1, SW2, SW3, and SW4 are used to control whether to provide 24V voltage to the corresponding interface. The ECM module is connected to the ECM module M1-BM1 / P20, M1-BM2 / P8, M1-BM3 / P21, M1-BM4 / P9, M2 -BM1 / P23, M2-BM2 / P11, M2-BM3 / P24, M2-BM4 / P12, S1-BM1 / P46, S1-BM2 / P34, S1-BM3 / P47, S1-BM4 / P35, S2-BM1 / P49, S2-BM2 / P37, S2-BM3 / P50, S2-BM4 / P35 sixteen-way coding channel test simulation device outputs control signals to control sixteen LED indicators LED1-LED16. The coding channel test simulation device is connected to the ECM module DC2 through a coding cable. 4V_FBJ_1 / P40, FBJ_NO_TEST1 / P28, FBJ_NO_TEST1 / P29, DC24V_FBJ_2 / P14, FBJ_NO_TEST2 / P2, FBJ_NO_TEST2 / P3 six channels, the conduction of FBJ_NO_TEST1 / P28 and FBJ_NO_TEST1 / P29 is controlled by SW5 and SW6 switches, and the conduction of FBJ_NO_TEST2 / P2 and FBJ_NO_TEST2 / P3 is controlled by SW7 and SW8 switches.
[0019] like Figure 2As shown, the utility model relates to a coding channel test device for rail transit, which is characterized by comprising: a first group of rail transmission channel input power switches SW1, a second group of rail transmission channel input power switches SW2, 1-8 rail transmission channel output loads and indicator lights LAMP1-8; the 1-8 rail transmission channel output loads and indicator lights use incandescent lamps with an operating voltage of AC220V and a power of 15W to 25W, and the rail transmission channel test simulation device is connected to the ECM module through a rail transmission input cable and a rail transmission output cable.
[0020] The rail-transmitted channel test simulation device connects to the ECM modules GC_IN1+ / P2, GC_IN1- / P3, GC_IN2+ / P4, and GC_IN2- / P5 via rail-transmitted input cables. SW1 and SW2 control whether 220V voltage is provided to the corresponding interfaces. The signals from the ECM modules GC1+ / P13 and GC1- / P39 are transmitted via rail-transmitted cables to control incandescent lamp LAMP1. The signals from the ECM modules GC2+ / P25 and GC2- / P51 are transmitted via rail-transmitted cables to control incandescent lamp LAMP2. The signals from the ECM modules GC3+ / P10 and GC3- / P36 are transmitted via rail-transmitted cables to control incandescent lamp LAMP3. The signals from the ECM modules GC4+ / P22 and GC4- / P48 are transmitted via rail-transmitted cables to control incandescent lamp LAMP4. The two signals of ECM modules GC5+ / P19 and GC5- / P45 are transmitted through the rail to control the incandescent lamp LAMP5. The two signals of ECM modules GC6+ / P4 and GC6- / P30 are transmitted through the rail to control the incandescent lamp LAMP6. The two signals of ECM modules GC7+ / P16 and GC7- / P42 are transmitted through the rail to control the incandescent lamp LAMP7. The two signals of ECM modules GC8+ / P1 and GC8- / P27 are transmitted through the rail to control the incandescent lamp LAMP8.
[0021] like Figure 3 As shown, insert the ECM module card to be tested into slot 3 on the front of the electrocoded chassis (the basic module position in cascade mode), and insert two OCM boards into slots 1 and 2 on the front of the chassis; insert two OCT boards into slots 1 and 2 on the back of the chassis, insert three ECM module cards into slots 4, 5, and 6 on the front, insert two ECTGC terminal boards into slots 3 and 5 on the back of the chassis; and insert two ECT1BM terminal boards into slots 4 and 6 on the back of the chassis.
[0022] The serial port of the ECM module card is connected to the industrial computer, the network port (C1 and M1) of the OCT board is connected to the industrial computer, the power interface of the OCT board is connected to the 24V power supply, and the coded track input and output cables are used to connect the ECTGC terminal board and the track channel test simulation device, and the basic module and the expansion module are connected with a cascade cable. The coded coding cable is used to connect the ECT1BM terminal board and the coding channel and the FBJ test simulation device, and the basic module and the expansion module are connected with a cascade cable.
[0023] During the cascade test, the switches SW1-SW4 of the cascade module low-frequency encoding load fixture must be disconnected, and its 24V- must be connected to the 24V- of the basic module load fixture.
[0024] The electronically coded chassis is a standard 19-inch 6U with a front and rear plug-in structure design. Its overall dimensions (including handles) are 482.6mm×480.5mm×265.9mm. A backplane is installed in the chassis, providing a physical channel for interaction between the various boards in the system. Coding cables, track input cables, track output cables, etc. are used to connect to the electronically coded chassis. Open the industrial computer and run the JDOCSPT software to test the function of the ECM module to be tested.
[0025] The above content is a further detailed description of the present invention in conjunction with specific implementation methods, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For those skilled in the art of the present invention, without departing from the concept of the present invention, they can make several simple deductions or substitutions, which should be considered to fall within the scope of protection of the present invention.
Claims
1. A coding channel testing device for rail transit, characterized by: include: The rail channel test simulation unit is connected to 8 ECM modules through rail input cables. The GC_IN1+ / P2, GC_IN1- / P3, GC_IN2+ / P4, and GC_IN2- / P5 modules of the 8-way ECM modules are respectively controlled by switches SW1 and SW2 to provide 220V voltage to the corresponding power interfaces; the two-way signals of the multi-way ECM modules GC1+ / P13 and GC1- / P39 are transmitted through the rail to control the incandescent lamp LAMP1, the two-way signals of the ECM modules GC2+ / P25 and GC2- / P51 are transmitted through the rail to control the incandescent lamp LAMP2, and the two-way signals of the ECM modules GC3+ / P10 and GC3- / P36 are transmitted through the rail to control the incandescent lamp LAMP1. The rail transmits two signals through a cable to control incandescent lamp LAMP3. The ECM modules GC4+ / P22 and GC4- / P48 transmit two signals through a cable to control incandescent lamp LAMP4. The ECM modules GC5+ / P19 and GC5- / P45 transmit two signals through a cable to control incandescent lamp LAMP5. The ECM modules GC6+ / P4 and GC6- / P30 transmit two signals through a cable to control incandescent lamp LAMP6. The ECM modules GC7+ / P16 and GC7- / P42 transmit two signals through a cable to control incandescent lamp LAMP7. The ECM modules GC8+ / P1 and GC8- / P27 transmit two signals through a cable to control incandescent lamp LAMP8.
2. The coding channel testing device for rail transit according to claim 1, characterized in that: Its characteristics are: The track transmission channel test simulation unit includes: a voltage source for providing a working voltage to the circuit, an industrial computer, a 24V DC power supply, a coding channel test simulation device, a track transmission channel test simulation unit, an electrocoding chassis, two OCM boards, two OCT boards, four ECTGC terminal boards, four ECT1BM terminal boards, and a multi-channel ECM module; the two OCM boards are inserted into slot 2 of the front 1 of the electrocoding chassis; the two OCT boards are inserted into slots 1 and 2 at the back of the electrocoding chassis, the three ECM module cards are inserted into slots 4, 5, and 6 at the front, the two ECTGC terminal boards are inserted into slots 3 and 5 at the back of the chassis; and the two ECT1BM terminal boards are inserted into slots 4 and 6 at the back of the chassis.
3. The coding channel testing device for rail transit according to claim 1, characterized in that: The serial port of the ECM module is connected to the serial port of the industrial computer, the network port of the OCT board is connected to the network port of the industrial computer, the power interface of the OCT board is connected to the 24V power supply, and the coded track input and output cables are used to connect the ECTGC terminal board and the track channel test simulation unit, and the basic module and the expansion module are connected with a cascade line. The coded coding cable is used to connect the ECT1BM terminal board and the coding channel and the FBJ test simulation device, and the basic module and the expansion module are connected with a cascade line.
4. The coding channel testing device for rail transit according to claim 1, characterized in that: The electronically coded chassis is a standard 19-inch 6U chassis with a front and rear plug-in structure design. Its overall dimensions are 482.6mm×480.5mm×265.9mm. A backplane is installed in the chassis, providing a physical channel for interaction between the various boards in the system. It is connected to the electronically coded chassis using coding cables, track input cables, and track output cables. The functions of the ECM module to be tested can be tested by running JDOCSPT software on an industrial computer.
5. The coding channel testing device for rail transit according to claim 2, characterized in that: The OCM board is a communication control module responsible for information exchange with other electronic execution modules to jointly complete the functions of the system.
6. The coding channel testing device for rail transit according to claim 2, characterized in that: The OCT board is a communication control module interface unit, providing four 10 / 100M Ethernet electrical ports and responsible for completing the access of Ethernet services.
7. The coding channel testing device for rail transit according to claim 2, characterized in that: The ECM module is an electrocoding module, which is used to provide two groups of electrocoding control interface units. The electrocoding control interface units include: ECTGC board, ECT1BM board, and ECT2BM board. The electrocoding control interface units directly control outdoor electrocoding equipment and collect the coding alarm conditions of the electrocoding equipment.
8. The coding channel testing device for rail transit according to claim 7, characterized in that: The ECTGC board is an electronically coded track transmission channel control interface unit, which provides two sets of electronically coded code channel input and output interfaces and an inter-board cascade interface, and is responsible for the transfer of ECM track transmission signal input and output.