Testing device for lower-layer machine of hump automatic control system

Abstract

The invention discloses a testing device for a lower-layer machine of an automatic hump control system. The testing device comprises a circuit breaker, the input end of the circuit breaker is connected with the output end of an external alternating current power supply AC; the output end of the circuit breaker is respectively connected with the display, the case, the switch, the upper-layer machine, the workstation and the power supply input end of the direct-current power supply; a video output interface of the upper computer is connected with a first video input interface of the KVM switcher; the work station is connected with a second video input interface of the KVM switcher; a video output interface of the KVM switcher is connected with a video input interface on the display; a network port of the upper-layer machine is connected with a first network port of the switch; the network port of the workstation is connected with the second network port of the switch; the communication interface of the work station is in communication connection with the board card to be tested. According to the invention, whether the functions (the output function and the acquisition function) of each lower-layer controller included in the lower-layer machine of the TW-2 type hump automatic control system are normal can be reliably tested, and the test efficiency is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of signal testing, in particular to a testing device for a lower machine of a hump automatic control system, which is used for testing whether the function of the lower machine of a TW-2 type hump automatic control system is normal. Background Art

[0002] At present, the shunting technology of hump yards is developing rapidly, and the TW-2 hump automatic control system produced by China Railway Signal & Communication Group Corporation has been widely used. As a hump shunting control device, the TW-2 hump automatic control system is widely used in shunting yards of different sizes, large, medium and small.

[0003] The basic functions of the TW-2 hump automatic control system include interlocking and control of the pushing approach and shunting approach, automatic control of the shunting approach and shunting speed, as well as speed control of the pushing hump locomotive, networking with other related systems, and monitoring, maintenance and support functions for the system and equipment.

[0004] The entire TW-2 hump automatic control system is divided into four layers from top to bottom: the first layer is the workstation, the second layer is the upper machine, the third layer is the lower machine, and the fourth layer is the expansion interface of intelligent input and output.

[0005] In the entire TW-2 hump automatic control system, the lower machine of the third layer includes multiple lower controllers (specifically including access control boards and reducer control boards, etc.), each lower controller is used for data processing, and the lower machine communicates with the upper machine of the second layer in the system using a local area network (CAN) with a bandwidth of 1M.

[0006] In order to ensure the factory quality of the TW-2 hump automatic control system, before it is sold out of the factory, it is necessary to test whether the functions of the lower-level controllers included in the lower-level machine of the TW-2 hump automatic control system are normal (the functions that need to be tested include, for example, signal output function and signal acquisition function), and at the same time, it is necessary to test whether the CAN (local area network) communication function between the lower-level machine and the upper-level machine is normal.

[0007] However, there is currently no technology that can reliably achieve the above functions. Summary of the invention

[0008] The purpose of the present invention is to provide a testing device for the lower machine of a hump automatic control system in view of the technical defects in the prior art.

[0009] To this end, the present invention provides a test device for a lower-layer machine of a hump automatic control system, which includes a circuit breaker, a display, a chassis, a switch, a KVM switch, an upper-layer machine, a workstation and a DC power supply;

[0010] Wherein, the input end of the circuit breaker is connected to the output end of the external alternating current power source AC;

[0011] The output end of the circuit breaker is connected to the display, chassis, switch, upper machine, workstation and power supply input end of the DC power supply respectively;

[0012] Wherein, the video output interface on the upper machine is connected to the first video input interface on the KVM switch through a video cable;

[0013] The video output interface on the workstation is connected to the second video input interface on the KVM switch via a video cable;

[0014] The video output interface on the KVM switch is connected to the video input interface on the monitor via a video cable;

[0015] The network port of the upper-layer machine is connected to the first network port of the switch through a straight-through network cable;

[0016] The network port of the workstation is connected to the second network port of the switch through a straight-through network cable;

[0017] Wherein, the communication interface on the workstation is connected to the board to be tested.

[0018] It can be seen from the technical solution provided by the present invention that, compared with the prior art, the present invention provides a testing device for the lower machine of a hump automatic control system, which is scientifically designed. As a testing device for the lower machine of a TW-2 hump automatic control system, it can reliably test whether the functions of each lower-level controller included in the lower machine of the TW-2 hump automatic control system (specifically including the signal output function of the output channel and the signal acquisition function of the acquisition channel) are normal before the TW-2 hump automatic control system is shipped out of the factory, thereby ensuring the efficiency of the test and having great practical significance.

[0019] In addition, by applying the present invention, it is also possible to test whether the CAN (local area network) communication function between the lower-layer machine and the upper-layer machine is normal, thereby ensuring the efficiency of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the electrical structure of a test device for a lower machine of a hump automatic control system provided by the present invention;

[0021] Figure 2 A front view of the appearance structure of a test device for a lower machine of a hump automatic control system provided by the present invention;

[0022] Figure 3 This is a rear view of the appearance structure of a testing device for the lower machine of a hump automatic control system provided by the present invention. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] See also Figures 1 to 3 The present invention provides a test device for a lower machine of a hump automatic control system, which is used as a test device for a lower machine of a TW-2 type hump automatic control system, and is used to test whether the functions of each lower controller included in the lower machine of the TW-2 type hump automatic control system are normal, and whether the CAN (local area network) communication function is normal;

[0028] The test device includes: a circuit breaker 18, a display 4, a chassis 5, a switch 6, a KVM switch 7, an upper machine 11, a workstation 12 and a DC power supply 13;

[0029] The input end of the circuit breaker (QF1) 18 is connected to the output end of an external AC power source AC (for example, AC220V AC voltage);

[0030] The output end of the circuit breaker (QF1) 18 is connected to the power supply input end of the display 4, the chassis 5, the switch 6, the upper machine 11, the workstation 12 and the DC power supply 13 respectively;

[0031] The video output interface on the upper computer 11 is connected to the first video input interface on the KVM switch 7 (i.e., a multi-computer switch) via a video cable (e.g., a VGA cable);

[0032] The video output interface on the workstation 12 is connected to the second video input interface on the KVM switch 7 via a video cable (such as a VGA cable);

[0033] The video output interface on the KVM switch 7 is connected to the video input interface on the display 4 via a video cable (such as a VGA cable);

[0034] The network port (i.e., network cable interface) of the upper-layer machine 11 is connected to the first network port of the switch 6 via a straight-through network cable;

[0035] The network port of the workstation 12 is connected to the second network port of the switch 6 via a straight-through network cable;

[0036] The communication interface on the workstation 12 is in communication connection with the board to be tested.

[0037] In the present invention, in a specific implementation, the board to be tested is located in the chassis 5;

[0038] The RS232 communication interface on the workstation 12 is connected to the test port on the board to be tested in the chassis 5 via the RS232 communication line;

[0039] It should be noted that the test port of the board to be tested is a communication test port, specifically an RS232 communication interface, which is a universal RS232 interface for testing set on the board, and is a communication interface for testing configured by the board itself.

[0040] In a specific implementation, the power supply end of the board to be tested is connected (specifically plugged) to a rectangular electrical connector (specifically a rectangular electrical connector of model 103968 of the ERNI brand) on the motherboard in the chassis 5 .

[0041] In the present invention, in a specific implementation, the CAN communication interface on the upper machine 11 is connected to the CAN access port of the lower machine in a hump automatic control system 100 to be tested (specifically the lower machine of the system, represented by: the tested chassis in which the system is installed) through a CAN communication line.

[0042] In the present invention, in a specific implementation, the live wire terminal L of the external AC power source AC (for example, AC220V AC voltage) is connected to the live wire access terminal 1 of the circuit breaker (QF1) 18;

[0043] The neutral terminal N of the external AC power source AC is connected to the neutral line access terminal 3 of the circuit breaker (QF1) 18;

[0044] The ground terminal PE of the external AC power supply is grounded;

[0045] The live wire output terminal 2 of the circuit breaker (QF1) 18 is respectively connected to the live wire input terminal L of the display 4, the live wire input terminal L of the chassis 5, the live wire input terminal L of the switch 6, the live wire input terminal L of the upper machine 11, the live wire input terminal L of the workstation 12 and the live wire input terminal L of the DC power supply 13;

[0046] The neutral line output terminal 4 of the circuit breaker (QF1) 18 is respectively connected to the neutral line input terminal N of the display 4, the neutral line input terminal N of the chassis 5, the neutral line input terminal N of the switch 6, the neutral line input terminal N of the upper machine 11, the neutral line input terminal N of the workstation 12 and the neutral line input terminal N of the DC power supply 13;

[0047] It should be noted that the circuit breaker 18 includes a live wire input terminal 1 and a neutral wire input terminal 3, as well as a live wire output terminal 2 and a neutral wire output terminal 4, and the live wire input terminal 1 and the neutral wire input terminal 3 are respectively arranged corresponding to the live wire output terminal 2 and the neutral wire output terminal 4.

[0048] In specific implementation, the ground wire terminals G of the display 4, chassis 5, switch 6, upper machine 11, workstation 12 and DC power supply 13 are respectively grounded through a grounding copper busbar. Therefore, adverse factors such as lightning and electricity can be effectively released to the ground to ensure the normal safety of each device.

[0049] In the present invention, in a specific implementation, the first DC voltage output port (specifically, the DC12V output port) and the second DC voltage output port (specifically, the DC24V output port) on the DC power supply 13 are respectively connected to the first DC voltage input port (specifically, the DC12V input port) and the second DC voltage input port (specifically, the DC24V input port) on the chassis 5;

[0050] The first DC voltage input port (specifically, the DC12V input port) and the second DC voltage input port (specifically, the DC24V input port) on the chassis 5 are conductively connected to the board to be tested through rectangular electrical connectors installed on the motherboard inside the chassis 5.

[0051] In the present invention, the chassis 5 is used to test the lower-layer machine board to be tested (i.e., the lower-layer controller board to be tested) and provide a plug-in position for the board to be tested, specifically: connecting with the board to be tested through a rectangular electrical connector on the motherboard in the chassis 5 (specifically, a rectangular electrical connector of model 103968 of the ERNI brand), and providing DC24V, DC12V and DC5V power supplies for the board to be tested.

[0052] The chassis 5 includes an AC220V input interface, which is connected to an external AC power source (AC220V AC power source) and converted into DC5V by an internal power module, and provided to the board to be tested through a rectangular electrical connector installed on the internal motherboard;

[0053] Among them, the chassis 5 also includes a first DC voltage input port (specifically a DC12V input port) and a second DC voltage input port (specifically a DC24V input port), which are supplied by the first DC voltage output port (specifically a DC12V output port) and the second DC voltage output port (specifically a DC24V output port) of the DC power supply 13, and then transferred to the motherboard installed inside the chassis by internal wiring, and the motherboard provides DC24V and DC12V to the board to be tested through a rectangular electrical connector;

[0054] Among them, the first DC voltage output port (specifically, the DC12V output port) of the DC power supply 13 is connected to the first DC voltage input port (specifically, the DC12V input port) on the chassis 5, and is used to provide the analog signal acquisition and output voltage for the board to be tested;

[0055] The second DC voltage output port (specifically the DC24V output port) of the DC power supply 13 is connected to the second DC voltage input port (specifically the DC24V input port) on the chassis 5, and is used to provide voltage for switch signal acquisition and output for the board to be tested.

[0056] In the present invention, since the board to be tested is connected to the motherboard via the rectangular electrical connector along the board slot in the chassis 5, the two voltages of DC12V and DC24V can be provided to the board to be tested.

[0057] It should be noted that the card slots in the chassis 5 are 12 card slots with guide rails configured on the cage of its structural frame, which are used to provide a test installation position for the card to be tested, so that the card to be tested can be smoothly connected to the ERNI 103968 rectangular electrical connector on the motherboard in the chassis 5 along the slots. It is configured as a standard CPCI chassis, with a slot interval of 6HP and plastic guide rails.

[0058] It should be noted that the chassis 5 is a test-specific lower-layer machine simulation chassis, which adopts the international standard CPCI technology. The chassis 5 contains a set of cages with a structural frame, which is 19 inches wide and 6U high, and is equipped with 12 card slots with guide rails to provide test installation positions for the boards to be tested;

[0059] It should be noted that the motherboard (PCB board) in the chassis 5 is installed with an ERNI 103968 rectangular electrical connector for connecting to the board to be tested and providing DC24V, DC12V and DC5V power supplies for the board to be tested; among them, 24V is the voltage for the board to be tested to collect and output switching signals; 12V is the voltage for the board to be tested to collect and output analog signals.

[0060] The chassis 5 is provided with a power line interface for DC24V, DC12V and DC5V power input.

[0061] The chassis 5 contains two identical 5V power modules (which can be mature finished power modules with existing technology). The 5V power module is used to convert the external AC220V input on the chassis 5 into DC5V, and then through the motherboard, using the dual-machine hot standby mode, to provide DC5V power for the board to be tested.

[0062] In the present invention, the switch 6 is used for communication (general Ethernet LAN communication) between the upper machine 11 and the workstation 12. The first network port 1 of the switch is connected to the network port of the upper machine 11 through a network cable, and the second network port 2 of the switch is connected to the network port of the workstation 12 through a network cable.

[0063] In the present invention, the KVM switch 7 (i.e., a multi-computer switch) realizes controlling the upper machine 11 and the workstation 12 with a set of display, keyboard and mouse;

[0064] Among them, the first video input interface on the KVM switch 7 is connected to the video output interface on the upper machine 11 through a video cable (for example, a VGA cable); the second video input interface on the KVM switch 7 is connected to the video output interface on the workstation 12 through a video cable (for example, a VGA cable); the video output interface on the KVM switch 7 is connected to the video input interface on the display 4 through a video cable (for example, a VGA cable); the USB interface 1 and the USB interface 2 on the KVM switch 7 are connected to the mouse and the keyboard respectively.

[0065] In the present invention, the DC power supply 13 is used to provide DC24V and DC12V power to the chassis 5. The DC power supply 13 (specifically, it can be a mature finished power supply module in the prior art) is used to convert the external AC power supply (AC220V AC power supply) into DC24V and DC12V, and then transmit the power to the chassis 5 through a power cable (for example, a 2-core 2.5m 2The DC24V output port and the DC12V output port are connected to the DC24V input port and the DC12V input port of the chassis 5 respectively. The DC power supply 13 has an AC220V input terminal (i.e., a live wire access terminal), and a power cable (e.g., a 2-core 2.5m 2 The power line) is connected to the live wire outlet terminal 2 of the circuit breaker (QF1) 18.

[0066] In the present invention, in a specific implementation, the circuit breaker (QF1) 18 is a mature electrical component in the prior art, for example, it can be a circuit breaker of model 5SY62327CC produced by Siemens, which is used to control the power supply and power failure of each device in the test device of the present invention.

[0067] It should be noted that, based on the technical solution of the present invention, it is possible to test whether the CAN (local area network) communication function of the third-layer lower machine in the entire TW-2 hump automatic control system is normal, that is, the CAN (local area network) communication function of the tested TW-2 hump automatic control system 100 (specifically the lower machine of the system, expressed as: the tested chassis in which the system is installed); and it is also possible to test whether the functions of each lower-layer controller included in the third-layer lower machine are normal.

[0068] It should be noted that for the TW-2 hump automatic control system, the TW-2 hump automatic control system 100 (specifically, the lower machine of the system, which is represented by the tested chassis in which the system is installed) adopts a dedicated embedded microcomputer module series. The dimensions of the tested chassis are uniformly 19 inches wide and 6U high, and the international standard CPCI technology is adopted; each chassis is equipped with a maximum of 12 control panels, which are generally divided into interlocking and route control chassis (model: JL) and speed regulation and length measurement control chassis (model: SD).

[0069] For the present invention, the lower-layer controllers (boards) included in the TW-2 hump automatic control system 100 (specifically, the lower-layer machine of the system, represented by: the tested chassis in which the system is installed) are as follows:

[0070] Approach control boards (models: KB-L, KB-LR) and input / output interface boards (models: IOB, IOB-R, referred to as IOB boards) for controlling shunting approach, push approach, and slipping approach;

[0071] Reducer control board for speed control (model: KB-JA, KB-JA-R);

[0072] And, a length measuring board (model: CB, CB-R) for measuring the idle length of the track.

[0073] It should be noted that, before the above-mentioned boards are shipped out of the factory, they need to be taken out separately and placed in the chassis 5 to perform functional tests on the boards.

[0074] In the present invention, in specific implementation, the testing device of the present invention further includes: a device cabinet 1;

[0075] On the front of the device cabinet 1, from top to bottom, an IOB board (i.e., input and output interface board) output display light board (including multiple indicator lights) 2, a KB board (i.e., access control board) output display light board (including multiple indicator lights) 3, a display 4, a chassis 5, a switch 6, a KVM switch 7, a switch quantity acquisition control button board (including multiple control buttons) 8, an analog quantity acquisition control button board (including multiple control buttons) 9, a keyboard and mouse console 10, an upper machine 11, a workstation 12 and a DC power supply 13 are sequentially arranged in intervals;

[0076] In specific implementation, the multiple indicator lights on the IOB board output display light board 2 are respectively connected to the multiple output channels on the input and output interface card (i.e., one-to-one connection);

[0077] The multiple indicator lights on the KB board output display light board 3 are respectively connected to the multiple output channels on the access control board card (i.e., one-to-one connection);

[0078] It should be noted that the workstation 12 is used to forward the operation command (for example, the command for blocking the access route, which can be adjusted according to the actual situation and can be an operation command of any content) information to the KB board and IOB board to be tested. When the KB board (i.e., the access route control board) and the IOB board (i.e., the input and output interface board) to be tested receive the operation command, the output channel thereon outputs a DC signal (for example, a DC 24V signal, which functions to trigger the indicator light to be always on), and displays the signal through the indicator light in the KB board output display light board 3 and the indicator light in the IOB board output display light board 2, respectively.

[0079] In the present invention, 32 illuminated buttons are arranged on the switch quantity acquisition control button board 8, of which 16 illuminated buttons are used for the switch quantity acquisition test control of the KB board, and the other 16 illuminated buttons are used for the switch quantity acquisition test control of the IOB board; the 32 illuminated buttons are respectively connected to the branch terminal group 15 by wiring.

[0080] In the present invention, 20 lighted buttons are arranged on the analog quantity acquisition control button board 9 for analog quantity acquisition test control of the board, and the 20 lighted buttons are connected to the branch terminal assembly 15 by wiring.

[0081] In specific implementation, a universal caster 14 (specifically a universal caster with a built-in braking function) is respectively provided at the four corners of the bottom of the device cabinet 1. Therefore, the test device provided by the present invention can be conveniently moved.

[0082] In a specific implementation, the back side of the device cabinet 1 is provided with a branch terminal assembly 15, a relay assembly 16 and an external AC power input terminal 17 in order from top to bottom.

[0083] In the present invention, the branch terminal assembly 15 has eight 3×18 column terminals, and each terminal of the branch terminal assembly 15 can be wired front and back.

[0084] The back of the branch terminal is composed of 15 through 1mm 2 The wires are respectively connected to a plurality of lighted buttons on the switch quantity acquisition control button board 8, a plurality of lighted buttons on the analog quantity acquisition control button board 9, and a plurality of relay contacts on the relay assembly 16;

[0085] The front of the branching terminal assembly 15 is connected to the motherboard on the chassis 5 through a 50-core cable, and it mainly plays the role of collecting signals and communicating wiring transfer.

[0086] In the present invention, the relay group 16 has 16 relays and uses 1mm 2 The wires are respectively connected to the branch terminal assembly 15 and 16 illuminated buttons on the switch quantity acquisition control button board 8 (the illuminated buttons for switch quantity acquisition test control of the IOB board), which collect the 64 switch quantity acquisition signals on the IOB board. Among them, each 4 output channels are respectively connected to a relay, and each relay is respectively connected to a illuminated button on the switch quantity acquisition control button board 8, and the illuminated buttons are used for test control.

[0087] In a specific implementation, the external AC power source AC (for example, an AC220V AC power source) is connected to the external AC power source input terminal 17 .

[0088] It should be noted that after the AC220V AC power source is connected through the external AC power source input terminal 17, it is connected to the input terminal of the circuit breaker QF1.

[0089] For specific implementation, see Figure 3 As shown, the circuit breaker (QF1) 18 is disposed on the lower back side of the device cabinet 1.

[0090] In specific implementation, a lightning arrester (FL) 19 is also provided on the lower back side of the device cabinet 1;

[0091] The two connection terminals of the lightning arrester (FL) 19 are connected to the live wire connection terminal 2 and the neutral wire connection terminal 4 of the circuit breaker (QF1) 18 respectively.

[0092] It should be noted that the lightning arrester has two terminal blocks, one of which is marked as the ground wire or PE wire, and the other terminal is marked as the L wire or line line.

[0093] In specific implementation, a mouse and a keyboard are arranged in the keyboard and mouse operation table 10 (specifically, a drawer-type operation table that can be pulled back and forth, which is a common drawer structure currently available);

[0094] The mouse and keyboard in the keyboard and mouse console 10 are respectively connected to a USB communication interface on the KVM switch 7 .

[0095] In the present invention, in specific implementation, the upper machine 11 and the workstation 12 are both industrial computers.

[0096] In terms of specific implementation, the upper machine 11 and the workstation 12 can both adopt the existing Advantech 610H industrial computer.

[0097] In the present invention, the workstation 12 needs to copy into the existing mature workstation simulation software (ie, program) in advance, so as to run the workstation simulation program during the test.

[0098] At the same time, the workstation 12 needs to copy the existing simulation test software (CARDTEST), which is used to send signal (ie data) output or acquisition commands to a specified output channel (or multiple channels) or a specified acquisition channel (or multiple channels) on the board to be tested.

[0099] As mentioned above, the boards to be tested are lower-level controller boards that need to be installed on the hump automatic control system, including: route control boards (models: KB-L, KB-LR), input and output interface boards (models: IOB, IOB-R), reducer control boards (models: KB-JA, KB-JA-R), and length measurement boards (models: CB, CB-R).

[0100] It should be noted that the CARDTEST software is an existing software program, and specifically the CARDTEST software V1.0.2 developed by Beijing Railway Signal and Communication Research and Design Institute Group Co., Ltd. may be used.

[0101] In the present invention, the upper machine 11 needs to copy the mature upper machine simulation software (ie, program) in the prior art in advance, so as to run the upper machine simulation program during the test.

[0102] In the present invention, the display 4 is used to provide a display function during testing.

[0103] It should be noted that, relying on the TW automatic control system graphic workstation simulation software (used to simulate the workstation) installed on the workstation 12, the workstation 12, as an existing device, can be used to simulate the control and display equipment (ie, workstation) of the on-site hump field.

[0104] Among them, the TW automatic control system graphic workstation simulation software is a mature software in the existing technology, specifically: the TW automatic control system graphic workstation simulation software designed by Beijing Railway Communication Signal Research Institute, software version V2.5, is used to simulate the control and display equipment (i.e. workstation) of the on-site hump field, issue operation instructions to the tested chassis (i.e. TW-2 hump automatic control system, specifically the lower machine in the system), receive and display the real-time station information of the tested chassis, and receive and display the command execution results of the tested chassis. TW is the system model name, the Chinese transliteration abbreviation, T is hump, and W is microcomputer control.

[0105] In terms of specific implementation, relying on the TW configuration control system software installed on the upper machine 11 (this software is a mature software in the existing technology and is used to simulate the upper machine), it is mainly used to complete the CAN communication status between the workstation 12 and the tested chassis (that is, the TW-2 hump automatic control system, specifically the lower machine in the system), and realize the CAN communication function detection of the tested chassis.

[0106] Among them, the TW configuration control system software is a mature software in the existing technology, specifically the TW configuration control system software designed by Beijing Railway Communication Signal Research Institute, software version V2.5, which is used to simulate the upper machine 11 of the on-site hump field, complete the CAN communication between the workstation 12 and the tested chassis (that is, the TW-2 hump automatic control system, specifically the lower machine in the system), and display the working status of the board (that is, the lower controller) and the workstation 12 in the tested chassis, and the CAN communication status between these devices (that is, between the lower controller and the workstation 12).

[0107] In order to more clearly understand the technical solution of the present invention, the testing process of the present invention is described below.

[0108] 1. Test the functions of each lower-level controller included in the lower-level machine of the TW-2 hump automatic control system.

[0109] First, insert the test board to be tested (i.e., the lower controller board to be tested, for example, the access control board, input / output interface board, reducer control board, and length measurement board of various types as described above) into the test position (specifically, the board slot) on the chassis 5;

[0110] Then, the RS232 communication interface of the workstation 12 is connected to the test port of the board to be tested in the chassis 5 through the RS232 communication line. The test port of the board to be tested is communicatively connected with the test position (specifically the board slot) of the chassis 5;

[0111] Then, the circuit breaker QF1 in the test device of the present invention is closed;

[0112] Next, turn on the power switch of the chassis 5 (i.e. the switch of the 5V voltage module), thereby connecting to the external AC power supply (AC220V AC power supply) to provide power input for the 5V power supply module on the chassis 5;

[0113] Then, the display 4 and the workstation 12 on the test device of the present invention are turned on, and the CANTEST test software installed on the workstation 12 is run.

[0114] Next, use the CANTEST test software to drive the output bits on the tested board one by one. By observing the display interface of the CANTEST test software on the display 4 connected to the upper machine 11, and based on the status information displayed on the display interface, it is known whether the output function of the tested board (i.e., the output function of the output channel) is normal.

[0115] For example, use CANTEST test software to drive all the multiple output bits on the tested board one by one. At this time, on the display interface of display 4, the output bits corresponding to the CANTEST test software display "ON (i.e., indicating that the output is started)", if the corresponding indicators on the output display light board 2 of the corresponding IOB board (i.e., input and output interface board) and the output display light board 3 of the KB board (i.e., access control board) are all lit. At this time, it means that the output function of the output bits (i.e., output channels) of the IOB board and KB board is normal;

[0116] If the indicator lights on the output display light board 2 of the IOB board (i.e., the input and output interface board) are not all lit, it means that the output function of the output bit (i.e., the output channel) of the IOB board is abnormal, that is, not all output channels are normal; if the corresponding indicator lights on the output display light board 3 of the KB board are not lit, it means that the output function of the output bit (i.e., the output channel) of the KB board is abnormal, that is, not all output channels are normal.

[0117] It should be noted that in the present invention, the analog quantity does not need to detect the output function, because the analog quantity of the length measurement board is the length measurement signal (i.e., the track idle length acquisition signal), which is only acquired but not output; the analog quantity of the reducer control board only has the radar signal and the pedal signal, and the radar signal and the pedal signal are both for speed measurement, and are also only acquired but not output.

[0118] Next, use the switch quantity acquisition control button board 8 and the analog quantity acquisition control button board 9 to press the acquisition control buttons one by one, and observe the display interface of the CANTEST test software on the display 4 connected to the upper machine 11. According to the status information displayed on the display interface, it is known whether the acquisition function of the tested board (i.e., the acquisition function of the acquisition channel) is normal. At this time, the tested boards that need the acquisition function on the vehicle include IOB boards (input and output interface boards), KB boards (access control boards), reducer control boards, and length measurement boards.

[0119] These boards all need to be tested for their acquisition functions: (1) Each IOB board has 64 switch acquisition signals. The main function of the IOB board is to transmit and process the system switch input and output signals, so they need to be tested; (2) Each KB board has 16 switch acquisition signals. The KB board functions as an access control board. It collects and performs logical operations on the relay signals of the system access (i.e., the KB board switch acquisition signals), and then transmits the processing commands to the lower-level devices through output signals. Therefore, they need to be tested; (3) The analog quantity of the length measurement board is the length measurement signal, i.e., the track idle length acquisition signal, which is only acquired but not output; (4) The analog quantity of the reducer control board is only the radar signal and the pedal signal. Both the radar signal and the pedal signal are used for speed measurement, so they are also only acquired but not output.

[0120] For example, use the switch quantity acquisition control button board 8 and the analog quantity acquisition control button board 9, press the acquisition control buttons one by one, and on the display interface of the display 4, if it is observed that the acquisition position of each tested board card of the CANTEST test software changes from gray to red, it means that the acquisition functions of all tested boards (i.e., the acquisition functions of the acquisition channels) are normal;

[0121] If the acquisition position of one of the tested boards does not change from gray to red, it means that the acquisition function of the tested board (ie, the acquisition function of the acquisition channel) is abnormal.

[0122] Therefore, for the present invention, as described above, for a board under test, if the output channel and the acquisition channel of the board under test function normally, it means that the board under test functions normally.

[0123] 2. Test whether the CAN (local area network) communication function of the lower machine is normal, specifically test whether the communication between the lower machine and the upper machine in the TW-2 hump automatic control system is normal.

[0124] First, the CAN access port of the tested chassis (ie, the TW-2 hump automatic control system, specifically, the lower machine in the system) is connected to the CAN communication port of the upper machine 11 through the CAN communication line.

[0125] It should be noted that the workstation 12 is a control and display device of the human-machine interface, which communicates with the upper machine 11 through Ethernet (network cable) and is used to issue operation instructions to the chassis under test (i.e., the TW-2 hump automatic control system, specifically the lower machine in the system), receive and display the real-time station information of the chassis under test, and receive and display the command execution results of the chassis under test, etc., to realize CAN communication verification of the chassis under test.

[0126] Correspondingly, the upper machine 11 transmits the received operation instructions of the workstation 12 to the tested chassis (i.e., the TW-2 hump automatic control system, specifically the lower machine in the system) through CAN communication, and transmits the command execution results of the tested chassis to the workstation 12 for display, and transmits the real-time information of the station in real time. At the same time, the upper machine 11 is used to display the CAN communication status of the tested chassis.

[0127] Then, the circuit breaker QF1 in the test device of the present invention is closed;

[0128] Next, turn on the original power switch of the chassis being tested;

[0129] Then, the display 4 , the upper machine 11 and the workstation 12 on the test device of the present invention are turned on, so that the interface information on the workstation 12 and the upper machine 11 is displayed on the display 4 through the control of the KVM switch 7 .

[0130] Next, by observing the status list information displayed on the TW configuration control system interface (i.e., the display interface of the TW configuration control system software) on the upper machine 11, it is known whether the communication function of the tested chassis (i.e., the TW-2 type hump automatic control system, specifically, the lower machine in the system) is normal.

[0131] For example, if the CAN communication function of the tested chassis is normal, in the display 4, the status list display information on the TW configuration control system interface (i.e., the display interface of the TW configuration control system software) includes the following:

[0132] Local status: online;

[0133] Ethernet card status: normal;

[0134] CAN network card status: normal;

[0135] Host and workstation (i.e. workstation 12): 1 workstation is connected, i.e. the number of connected workstations.

[0136] In terms of specific implementation, it should be noted that in the status list on the TW configuration control system interface (i.e., the display interface of the TW configuration control system software), the sum of the number of board failures of the lower-level controller (i.e., the lower-level controller board in the tested chassis) and the number of functional board modules installed in the tested chassis should be 11; if the sum is greater than 11, the extra number is the number of CAN communication failures in the functional board modules in the tested chassis.

[0137] It should also be noted that the tested chassis (i.e., the TW-2 hump automatic control system, specifically, the lower machine in the system) is configured with a maximum of 11 functional boards. Without installing any boards, it is equivalent to no boards communicating with the lower controller. Therefore, in the status list on the TW configuration control system interface (i.e., the display interface of the TW configuration control system software), the number of board failures of the lower controller is shown as 11. If, after installing the boards, several boards have normal CAN communication, the corresponding number of failures will be reduced by a few. Therefore, the sum of the number of installed boards and the number of failures should be 11.

[0138] For example, if there are 4 boards installed in the tested chassis (i.e., TW-2 hump automatic control system, specifically, the lower machine in the system), and the status list shows that the lower controller (i.e., the lower controller board in the tested chassis): 7 boards are faulty, it means that the CAN communication function of 4 boards is normal;

[0139] If the status list shows that 8 boards of the lower controller (the lower controller board in the tested chassis) are faulty, it means that one of the four boards has a CAN communication fault. By plugging and unplugging the boards and comparing the changes in the number of faulty boards of the lower controller (that is, the lower controller board in the tested chassis) in the status list, you can determine which board has a CAN communication fault.

[0140] Next, using the graphic window on workstation 12, after performing a "braking" operation on the reducer, you should be able to know from the interface display that the reducer is in the braking position. After performing a "braking" or "relieving" operation on the reducer, you should be able to know from the interface display that the reducer is in the relief position. Observe whether the reducer status (i.e., position status) displayed on the graphic window is correct (i.e., consistent with the operation). If the status is correct, it indicates that the instructions issued on workstation 12 are normally received on the tested device (i.e., TW-2 type hump automatic control system) through CAN communication, and the command execution results are successfully returned to workstation 12, indicating that the CAN communication function is normal.

[0141] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A test device for the lower machine of a hump automatic control system, characterized in that: It includes a circuit breaker (18), a display (4), a chassis (5), a switch (6), a KVM switch (7), an upper machine (11), a workstation (12) and a DC power supply (13); Wherein, the input end of the circuit breaker (18) is connected to the output end of the external alternating current power source AC; The output end of the circuit breaker (18) is respectively connected to the display (4), the chassis (5), the switch (6), the upper machine (11), the workstation (12) and the power supply input end of the DC power supply (13); Wherein, the video output interface on the upper machine (11) is connected to the first video input interface on the KVM switch (7) via a video cable; A video output interface on the workstation (12) is connected to a second video input interface on the KVM switch (7) via a video cable; The video output interface on the KVM switch (7) is connected to the video input interface on the display (4) via a video cable; The network port of the upper machine (11) is connected to the first network port of the switch (6) via a straight-through network cable; The network port of the workstation (12) is connected to the second network port of the switch (6) via a straight-through network cable; The communication interface on the workstation (12) is connected to the board to be tested.

2. The test device for the lower machine of the hump automatic control system as claimed in claim 1, characterized in that: The power supply end of the board to be tested is plugged into a rectangular electrical connector in the chassis (5); The RS232 communication interface on the workstation (12) is connected to the test port on the board to be tested in the chassis (5) via an RS232 communication line.

3. The testing device for the lower machine of the hump automatic control system as claimed in claim 1, characterized in that: The CAN communication interface on the upper machine (11) is connected to the CAN access port of a lower machine of a hump automatic control system (100) to be tested via a CAN communication line.

4. The test device for the lower machine of the hump automatic control system as claimed in claim 1, characterized in that: The live wire terminal L of the external alternating current power source AC is connected to the live wire access terminal (1) of the circuit breaker (18); The neutral terminal N of the external alternating current power source AC is connected to the neutral line access terminal (3) of the circuit breaker (18); The ground terminal PE of the external AC power supply is grounded; The live wire output terminal (2) of the circuit breaker (18) is respectively connected to the live wire input terminal L of the display (4), the live wire input terminal L of the chassis (5), the live wire input terminal L of the switch (6), the live wire input terminal L of the upper machine (11), the live wire input terminal L of the workstation (12) and the live wire input terminal L of the DC power supply (13); The neutral line output terminal (4) of the circuit breaker (18) is respectively connected to the neutral line input terminal N of the display (4), the neutral line input terminal N of the chassis (5), the neutral line input terminal N of the switch (6), the neutral line input terminal N of the upper machine (11), the neutral line input terminal N of the workstation (12) and the neutral line input terminal N of the DC power supply (13).

5. The testing device for the lower machine of the hump automatic control system as claimed in claim 4, characterized in that: The ground wire terminals G of the display (4), the chassis (5), the switch (6), the upper machine (11), the workstation (12) and the DC power supply (13) are grounded respectively through a grounding copper busbar.

6. The testing device for the lower machine of the hump automatic control system as claimed in claim 1, characterized in that: A first DC voltage output port and a second DC voltage output port on the DC power supply (13) are respectively connected to a first DC voltage input port and a second DC voltage input port on the chassis (5); The first DC voltage input port and the second DC voltage input port on the chassis (5) are respectively conductively connected to the board to be tested through rectangular electrical connectors installed on a motherboard in the chassis (5).

7. The test device for the lower machine of the hump automatic control system according to any one of claims 1 to 6, characterized in that: Also includes: A device cabinet (1); The front side of the device cabinet (1) is provided with an IOB board output display light board (2), a KB board output display light board (3), a display (4), a chassis (5), a switch (6), a KVM switch (7), a switch quantity acquisition control button board (8), an analog quantity acquisition control button board (9), a keyboard and mouse operation table (10), an upper machine (11), a workstation (12) and a DC power supply (13) in order from top to bottom.

8. The testing device for the lower machine of the hump automatic control system as claimed in claim 7, characterized in that: A universal caster (14) is respectively arranged at the four corners of the bottom of the device cabinet (1).

9. The testing device for the lower machine of the hump automatic control system as claimed in claim 7, characterized in that: A lightning arrester (19) is also provided on the lower back side of the device cabinet (1); The two connection terminals of the lightning arrester (19) are respectively connected to the live wire connection terminal (2) and the neutral wire connection terminal (4) of the circuit breaker (18).

10. The testing device for the lower machine of the hump automatic control system according to claim 7, characterized in that: The keyboard and mouse operating table (10) is provided with a mouse and a keyboard; The mouse and keyboard in the keyboard and mouse operating console (10) are respectively connected to a USB communication interface on the KVM switch (7).

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