CN213182413U - Vehicle-mounted ATC system testing device - Google Patents

Abstract

The utility model relates to an on-vehicle ATC system test device, including the casing to and be located inside interconnect's of casing controller and virtual train module, the interface is established on the casing to virtual train module, virtual train module simulation real train circuit. Compared with the prior art, the testing device is clean, tidy, flexible, easy to maintain, simple and efficient to operate, safe and reliable.

Description

Vehicle-mounted ATC system testing device

Technical Field

The utility model belongs to the technical field of on-vehicle ATC system test and specifically relates to a on-vehicle ATC system test device is related to.

Background

The ATC system product can realize the functions of train safety protection, train automatic driving and the like. The production quality of the product directly affects the safety, reliability and stability of the vehicle-mounted system. The vehicle-mounted ATC system complete machine test platform is used for testing the vehicle-mounted ATC system, can find the problem of a product in time and plays a role in improving the quality of the product.

The existing complete machine test platform is formed by connecting a test cage, an upper computer, a measuring instrument and a plurality of power supply modules through a large number of wires, and the test process is semi-automatic and needs assistance of a plurality of people.

The existing complete machine test platform has the following defects:

(1) peripheral equipment of the test platform is scattered, and the overall test environment is difficult to maintain;

(2) the testing process has high requirements on the quality of testers, and the testers need to train for a long time for many times to be on duty;

(3) the testing time is long, and human factors in the testing process can influence the testing result.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an on-vehicle ATC system testing arrangement in order to overcome the defect that above-mentioned prior art exists to the ATC system complete machine that realizes integrating, automizing tests.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a vehicle-mounted ATC system testing arrangement, includes the casing to and be located inside interconnect's of casing controller and virtual train module, the interface is established on the casing to virtual train module, virtual train module simulation real train circuit.

The virtual train module is connected with the controller through a terminal strip in the shell.

The virtual train module include switching value test unit, analog quantity test unit, digital pulse test unit and communication test unit, switching value test unit connects the test interface case, the communication test unit connects communication test auxiliary assembly, the interface is established on the casing to the test interface case, the interface is established on the casing to the communication test unit.

The device also comprises a power supply module positioned in the shell, wherein the power supply module is connected with the virtual train module, the test interface box and the communication test auxiliary equipment.

The interface of the virtual train module arranged on the shell comprises a digital pulse output interface, an analog signal acquisition interface and a bus interface, the interface of the test interface box arranged on the shell comprises a digital I/O interface, and the interface of the communication test unit arranged on the shell comprises a frequency shift keying signal interface.

The controller is provided with a human-computer interaction interface, and the human-computer interaction interface is positioned on the shell.

The shell is provided with universal wheels.

Compared with the prior art, the utility model has the advantages of it is following:

(1) including controller and virtual train module, the interface is established on the casing to virtual train module, can realize automatic test, can guarantee the convenience and the validity of test process.

(2) The virtual train module simulates a real train circuit and is built according to the principle of building an external interface circuit of a real train ATC system, so that the authenticity of the test is ensured.

(3) The virtual train module comprises a switching value test unit, an analog value test unit, a digital pulse test unit and a communication test unit, can find board-level faults related to digital I/O, analog value and communication, can find typical faults such as interface acquisition power supply faults and wiring errors in a cabinet, and is comprehensive in test.

(4) The integrated level is high, the operation is convenient, the testing efficiency is high, and the device is safe, reliable and easy to maintain.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a logic block diagram of the present invention;

FIG. 3 is a flow chart of the working method of the present invention;

reference numerals:

1 is a shell; 2 is a human-computer interaction interface; and 3 is an interface.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Examples

The embodiment provides a vehicle-mounted ATC system testing device, which is used for performing in-plant testing on a complete vehicle-mounted ATC system and improving the reliability and safety of an ATC system product in a life cycle. The testing device comprises a shell 1, and a controller and a virtual train module which are positioned inside the shell 1 and are mutually connected, wherein the virtual train module is provided with an interface 3 on the shell 1, and the virtual train module simulates a real train circuit.

The controller mainly realizes the functions of sending test instructions, judging feedback information of the system to be tested, inputting test reports and the like by running test software.

The virtual train module (VTS) decodes the test instruction of the controller and transmits the decoded test instruction to the system to be tested, and outputs a level signal, a pulse signal, an analog signal and the like according to the test instruction, and simultaneously acquires the digital output quantity, the analog output quantity and the communication message of the system to be tested, converts the digital output quantity, the analog output quantity and the communication message into message information and feeds the message information back to the controller. The VTS provides rich interface resources, which comprise a digital acquisition channel, a digital output channel, pulse input, pulse output, a CAN bus, an RS-485 bus, an RS-422 bus, an RS-232 bus, Ethernet and an analog acquisition channel, and the VTS is an existing product and CAN be directly purchased.

Specifically, the method comprises the following steps:

the virtual train module is connected with the controller through the terminal strip inside the shell 1, so that the line connection is simpler.

The virtual train module comprises a switching value test unit, an analog quantity test unit, a digital pulse test unit and a communication test unit, wherein the switching value test unit is connected with a test interface box, the communication test unit is connected with communication test auxiliary equipment, an interface 3 is arranged on the shell 1 by the test interface box, and the interface 3 is arranged on the shell 1 by the communication test unit.

The test interface box realizes interface adaptation between the virtual train module and the system to be tested. By configuring different types of test interface boxes, the interconnection function between the systems to be tested and the test device in different types can be realized.

The communication test auxiliary equipment realizes the encoding and decoding functions of the FSK signal according to a communication protocol, and completes the bidirectional communication function test of the system to be tested and the test device.

The device also comprises a power supply module positioned in the shell 1, wherein the power supply module is connected with the virtual train module, the test interface box and the communication test auxiliary equipment; the external 220VAC directly supplies power to the upper computer and the power module, and the power module converts the input 220V alternating current into stable 110V, 48V and 24V direct current to supply power to the test interface box, the system to be tested, the communication test auxiliary equipment and the virtual train module. The power lines are mutually isolated, and protection measures are configured, so that faults such as short circuit, overcurrent and the like are prevented, and the safety of the device is greatly improved.

The interface 3 of the virtual train module arranged on the shell 1 comprises a digital pulse output interface, an analog signal acquisition interface and a bus interface, the interface 3 of the test interface box arranged on the shell 1 comprises a digital I/O interface, and the interface 3 of the communication test unit arranged on the shell 1 comprises a frequency shift keying signal interface.

The controller is provided with a human-computer interaction interface 2, and the human-computer interaction interface 2 is positioned on the shell 1; the housing 1 is provided with universal wheels.

The working method comprises the following steps:

after the test is started, a tester logs in a test system of a controller, selects items to be tested on a test interface, clicks to start the test, the controller sends an instruction to a virtual train module (VTS), the VTS decodes the controller test instruction and then transmits the decoded controller test instruction to a system to be tested (or transmits the decoded controller test instruction to the system to be tested through a test interface box and a communication test auxiliary device), level signals, pulse signals, analog signals and the like are output according to the test instruction, after the system to be tested receives the instruction, corresponding results including digital I/O signals, analog pulse signals, analog signals, communication bus information and the like are fed back according to the analyzed instruction, the VTS collects information fed back by the system to be tested and transmits the information to the controller, and the controller judges the fed back results and outputs a test report.

The vehicle-mounted ATC system testing device of the embodiment has the following advantages:

based on the design concept of standard integration, the movable shell is adopted for integration, connecting cables among the devices are converted into internal wiring through the terminal strip, the traditional mode that all testing devices are scattered and connected together through a large number of leads is avoided, the occupied space of the testing platform is greatly reduced, and the testing platform is neat and flexible, easy to maintain and convenient to maintain the integrity of the platform;

compared with an automatic test flow, the automatic test flow has higher efficiency in manual test, reduces the training time of testers, reduces the requirement on the professional quality of the testers, shortens the test time, avoids some faults caused by artificial factors in the test process, enables the operation to be simpler and more efficient, and improves the safety and reliability.

The test report has a perfect test report output function, and information such as cabinet numbers, operators, test time, test times, test results, test passing rate and the like can be clearly reflected in the test report.

Claims (7)

1. The utility model provides a vehicle-mounted ATC system testing device, its characterized in that includes casing (1) to and be located inside interconnect's of casing (1) controller and virtual train module, interface (3) are established on casing (1) to virtual train module, virtual train module simulation real train circuit.

2. A vehicle ATC system testing apparatus according to claim 1, wherein the virtual train module is connected to the controller through a terminal block inside the housing (1).

3. The vehicle-mounted ATC system testing device of claim 1, wherein the virtual train module comprises a switching value testing unit, an analog testing unit, a digital pulse testing unit and a communication testing unit, the switching value testing unit is connected with a testing interface box, the communication testing unit is connected with communication testing auxiliary equipment, the testing interface box is provided with an interface (3) on the shell (1), and the communication testing unit is provided with an interface (3) on the shell (1).

4. A vehicle ATC system testing apparatus according to claim 3, further comprising a power module inside the housing (1), said power module connecting the virtual train module, the test interface box and the communication test auxiliary equipment.

5. A vehicle ATC system testing device according to claim 3, characterized in that the interface (3) of the virtual train module disposed on the housing (1) includes a digital pulse output interface, an analog signal acquisition interface and a bus interface, the interface (3) of the test interface box disposed on the housing (1) includes a digital I/O interface, and the interface (3) of the communication test unit disposed on the housing (1) includes a frequency shift keying signal interface.

6. A vehicle ATC system testing apparatus according to claim 1, wherein the controller is provided with a human-machine interface (2), and the human-machine interface (2) is located on the housing (1).

7. A vehicle ATC system testing apparatus according to claim 1, characterized in that the housing (1) is provided with universal wheels.

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