CN214473643U - MVB function test device - Google Patents

Abstract

The utility model discloses a MVB function testing device, which comprises an MVB communication module; the MVB communication module is arranged on the lower surface of the mounting panel and is electrically connected with the control module in the box body; the upper surface of the mounting panel is provided with a network interface; the mounting panel is mounted in the box body. The utility model provides a more, the testing arrangement of external device who exists maintains inconveniently and be unfavorable for the problem of carrying in the current testing process.

Description

MVB function test device

Technical Field

The utility model relates to a track traffic field, especially a MVB functional test device.

Background

The rail transit train utilizes an MVB communication mechanism, each subsystem and a central processing unit work cooperatively, in order to ensure the quality of control software and the running safety of vehicles, a tester needs to carry out multiple testing activities, and in a part of testing stages, a large number of sub-devices (a brake system controller, a traction system controller, a power pack controller, a fire alarm controller, a speedometer controller, an anti-skid control device, a man-machine interaction interface and the like) need to be integrated for testing and verification, such as a comprehensive software testing stage and a system integration testing stage.

The system integration test stage aims to check the correctness of interfaces and data streams among modules after application software, platform software and platform hardware are integrated. When a certain device needs to be tested for fault or alarm, a certain line is frequently required to be detached from the fixed devices scattered between machinery rooms or machinery cabinets for exception handling, so that the operation is inconvenient, the testing efficiency is low, and the problems of more external devices, inconvenience in maintenance and inconvenience in carrying exist in the testing process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, it is not enough to prior art, provide a MVB functional test device, solve prior art external device more, maintain inconvenient and be unfavorable for the problem of carrying.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a MVB function testing device comprises an MVB communication module; the MVB communication module is arranged on the lower surface of the mounting panel and is electrically connected with the control module in the box body; the upper surface of the mounting panel is provided with a network interface; the mounting panel is mounted in the box body.

The utility model discloses set up MVB communication module and control module in the box, can directly replace the PC to test with control module in the testing process, carried the problem that external equipment is too much, be unfavorable for carrying when having solved the tester experimental of boarding, and key test module sets up in the box, easy maintenance.

MVB communication module with control module is integrated as an organic whole, reduces the installation volume, portable more.

In order to ensure that the structure is more compact and stable, the side edge of the MVB communication module is contacted with at least one pressing strip; the top end of the pressing strip is fixedly connected with the lower surface of the mounting panel.

In order to facilitate wiring and further reduce external equipment, the upper surface of the mounting panel is also provided with a plurality of test connectors; the plurality of test connectors are electrically connected with the MVB communication device.

The upper surface of the mounting panel is also provided with a button switch and a power supply connector; button switch both ends respectively with control module, power connection electricity are connected, are convenient for control the utility model discloses open of testing arrangement stops.

The upper surface of the mounting panel is also provided with an indicator light; the indicator light is electrically connected with the control module. The pilot lamp can show the utility model discloses testing arrangement's operating condition (the pilot lamp is bright promptly, shows that testing arrangement is in operating condition, otherwise, testing arrangement does not work or trouble).

In order to protect the control module, a fuse is connected between the button switch and the power connector; the fuse is mounted to the mounting panel upper surface.

Surface mounting has the display screen, the utility model discloses a display screen is the touch-sensitive screen, and the testing personnel of being convenient for operates, can show test status and result simultaneously.

In order to ensure that the structure is more attractive, all devices or interfaces on the upper surface of the installation panel except the display screen are installed on the installation panel on one side of the display screen.

A fixing strip is arranged in the box body below the mounting panel; and a connecting terminal (used for connecting the MVB communication module and an industrial tablet computer (control module)) is fixed on the fixing strip.

The box body is provided with a cover body used for sealing the box body, and one side of the cover body is hinged with one side of the box body; the device on the installation panel in the protection box, extension testing arrangement's life, and portable more.

For further convenient carrying, the box body is provided with a handle.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

1. the utility model solves the problems of more external devices, inconvenient maintenance of the testing device and inconvenient carrying existing in the existing testing process;

2. the MVB communication module of the utility model integrates an industrial tablet personal computer (control module), and can directly replace a PC machine to carry out testing in the testing process, thereby solving the problem that the carrying equipment is too much when a tester carries out a boarding test;

3. the utility model discloses a test equipment has a plurality of test connector, is convenient for directly be connected by testing arrangement with being connected, tests by testing arrangement, and convenient operation has greatly improved efficiency of software testing.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic view of a mounting panel structure according to an embodiment of the present invention;

FIG. 3 is a circuit diagram of an embodiment of the present invention;

FIG. 4 is a flow chart of a test performed by the test apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic view of a first test mode connection;

fig. 6 is a schematic diagram of a second test mode connection.

Detailed Description

As shown in fig. 1 to 3, the embodiment of the present invention includes a box 16, a mounting panel 1 is fixed in the box 16, a touch screen 2, a power connector 3, a DB9 male connector 4, a hexagonal copper pillar 5 (used for isolating the mounting panel and a cover, protecting the mounting panel), a DB9 female connector 6, a network cable interface 7, a ship-type switch 8 (a button switch), a fuse 9 (a fuse), a USB connector 10, and a button with a light 11 (an indicator light) are fixed on the upper surface of the mounting panel 1; an MVB communication module 12 is fixed on the lower surface of the mounting panel, the side face of the MVB communication module 12 is in contact with a pressing strip 14, and the top end of the pressing strip 14 is fixedly connected with the lower surface of the mounting panel. The mounting bar 15 is fixed in a case 16 below the mounting panel 1, and a phoenix terminal (connection terminal) is provided thereon. The side of the mounting panel is fixedly connected with the inner wall of the box body through a cross head screw 17.

The box 16 is provided with a cover 18 (hinged to one side of the box), and a handle 19 is provided on one side of the box 16.

The power connector 3, the DB9 male connector 4, the hexagonal copper column 5, the DB9 female connector 6, the network cable interface 7, the boat-shaped switch 8, the fuse 9, the USB connector 10 and the button with lamp 11 are arranged on the upper surface of the mounting panel on one side of the touch screen 2.

The port of the MVB communication module is connected with the MVB interface of the tested device through the MVB cable, and then testing can be carried out.

The flow chart of the test using the test apparatus of the above embodiment is shown in fig. 4. After the physical connection between the testing device and the tested device in the above embodiment is completed, power-on initialization is performed, whether an internal program of the testing device is started or not is checked, if not, no indication lamp is displayed, if yes, MVB interface data is sent, a test case is edited on a touch screen interface in a keyword-based mode, signals set and obtained by a tester are converted into MVB data through an MVB module (namely, an MVB communication module) in the testing device by identifying keywords, and the MVB data is sent to a CCU (vehicle control unit) or returned to the touch screen interface for display, so that the purpose of port data receiving and sending of a simulation subsystem is achieved. The following is a specific way of operating the simulation data:

variable increment address:

(1) port data: binding port information is configured through the I/O, and variables in the bound ports are automatically matched with direct addresses.

(2) Intermediate variables: the file is exported into XML format by export engineering, and the direct address of the intermediate variable is added in the file.

Set data or get data: the testing device identifies the port information positioned behind the keywords set and get, transmits the port information to the CCU through an MVB module (namely an MVB communication module) in the portable MVB testing device, and tests through simulating the port information of the sub-equipment.

The utility model discloses two kinds of methods that use the device to test as follows:

(1) as shown in fig. 5, the application software to be tested is downloaded to the CCU through the ethernet cable (connecting the PC and the CCU), and debugging is performed after successful downloading is ensured, the portable MVB testing device sends port data to the CCU through the MVB cable, and the CCU obtains the MVB data of the port and recognizes the MVB data as a signal sent by a subsystem corresponding to the port, so that the purpose of simulating other subsystems to send signals to test the application software is achieved, and the device of this embodiment can also display the signal sent by the CCU to each subsystem on the touch screen after being processed by the device of this embodiment.

As shown in fig. 6, when an industrial tablet computer in the portable MVB testing device replaces a PC for testing, the use method includes connecting an MVB interface of the portable MVB testing device and an MVB interface of a CCU main control board by using an MVB cable, performing data transceiving by using the testing device, connecting a CCU ethernet interface and an ethernet interface of the portable MVB testing device by using an ethernet cable, and downloading and debugging the application software to be tested by using the tablet computer.

Claims (12)

1. The MVB function testing device is characterized by comprising an MVB communication module; the MVB communication module is arranged on the lower surface of the mounting panel and is electrically connected with the control module in the box body; the upper surface of the mounting panel is provided with a network interface; the mounting panel is mounted in the box body.

2. The MVB function testing device of claim 1, wherein the MVB communication module is integrated with the control module.

3. The MVB functionality testing device according to claim 1, wherein the side of the MVB communication module is in contact with at least one bead; the top end of the pressing strip is fixedly connected with the lower surface of the mounting panel.

4. The MVB function testing device of claim 1, wherein the mounting panel upper surface is further provided with a plurality of test connectors; the plurality of test connectors are electrically connected with the MVB communication device.

5. The MVB function testing device of claim 1, wherein the upper surface of the mounting panel is further provided with a button switch and a power connector; and two ends of the button switch are respectively and electrically connected with the control module and the power connector.

6. The MVB function testing device of claim 1, wherein an indicator light is further disposed on the upper surface of the mounting panel; the indicator light is electrically connected with the control module.

7. The MVB function testing device of claim 5, wherein a fuse is connected between the button switch and the power connector; the fuse is mounted to the mounting panel upper surface.

8. The MVB function testing device of any one of claims 1 to 7, wherein a display screen is fixed on the upper surface of the mounting panel.

9. The MVB function testing device of claim 8, wherein all devices or interfaces on the upper surface of the mounting panel except the display screen are mounted on the mounting panel on one side of the display screen.

10. The MVB function testing device of claim 1, wherein a fixing strip is arranged in the box body below the mounting panel; and the fixing strip is fixed with a connecting terminal.

11. The MVB function testing device of claim 1, wherein the box body is provided with a cover body for sealing the box body, and one side of the cover body is hinged with one side of the box body.

12. The MVB function testing device of claim 1, wherein a handle is disposed on the box body.

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