Indoor test board

Abstract

The utility model belongs to the technical field of track circuit element testing devices, and particularly relates to an indoor testboard, which is used for testing an indoor track circuit transmitting unit and an indoor track circuit receiving unit in a railway circuit, and comprises a case, an operation surface, a controller, a rack, a control unit, a plurality of relays, a simulator and a regulator. According to the utility model, the test functions of the sending unit and the receiving unit are integrated together, the integration degree is improved, the test cost is reduced, and the structure has very strong man-machine interaction convenience.

Description

Technical Field

[0001] The utility model belongs to the technical field of track circuit component testing devices, in particular to an indoor testing platform. Background Art

[0002] The indoor transmitting or receiving unit test bench for track circuits is custom designed according to the electrical index requirements of the equipment. It can test the electrical indicators of indoor transmitting and receiving unit equipment (no-load current, half-load voltage, full-load voltage, isolation impedance) and collect the actual values ​​of each measured parameter.

[0003] Since both indoor transmitting units and receiving units are indispensable in track circuits, existing indoor transmitting or receiving unit test benches can only implement transmitting end testing or receiving end testing, with low integration and high cost when set up separately. Utility Model Content

[0004] In view of this, the utility model provides an indoor test bench that integrates the test functions of a sending unit and a receiving unit, thereby improving the degree of integration and reducing the test cost, and the structure has strong human-computer interaction convenience.

[0005] In order to achieve the above technical objectives, the specific technical solutions adopted by this utility model are:

[0006] An indoor test bench for testing an indoor track circuit transmitting unit and an indoor track circuit receiving unit in a railway circuit, the test bench comprising:

[0007] Chassis;

[0008] An operating surface is provided at one end of the chassis and is provided with a placement table, a sending unit test interface, and a receiving unit test interface;

[0009] A controller, arranged on the operating surface;

[0010] a rack, mounted in the chassis;

[0011] a control unit, mounted on the rack in the chassis and electrically connected to the controller;

[0012] A plurality of relays are mounted on the rack, and low-voltage ends of the relays are electrically connected to the control unit;

[0013] A simulator, wherein the input end is electrically connected to the high voltage end of the relay, and the output end is electrically connected to the sending unit test interface and the receiving unit test interface;

[0014] The regulator has a control end connected to the high-voltage end of the relay and an output end electrically connected to the simulator.

[0015] Furthermore, the operating surface is approximately perpendicular to the horizontal plane.

[0016] Furthermore, the placement table is arranged adjacent to the operating surface and parallel to the horizontal plane.

[0017] Furthermore, the rack includes a left rack, a middle rack, and a right rack that are connected to each other;

[0018] The middle rack is arranged in the middle of the chassis and between the left rack and the right rack.

[0019] Furthermore, the simulator is arranged on the left rack and the right rack; the regulator is arranged on the left rack or the right rack, in contact with the bottom of the chassis and arranged for heat conduction; the controller is arranged on the middle rack and away from the simulator.

[0020] Furthermore, each of the relays is arranged on the middle frame, arranged on both sides of the middle frame, and horizontally located between the simulator and the control unit.

[0021] Furthermore, a plurality of control buttons are provided on the operation surface; each of the control buttons is electrically connected to the control unit; each of the control buttons is a sending end start test button, a sending end stop test button, a receiving end start test button, and a receiving end stop test button.

[0022] Furthermore, the controller is a host terminal.

[0023] Furthermore, a USB interface is provided on the operation surface; the USB interface is electrically connected to the host terminal.

[0024] By adopting the above technical solution, the utility model can also bring the following beneficial effects:

[0025] The utility model arranges the operation surface, the sending unit test interface and the receiving unit test interface on the same operation surface, provides a reasonable human-computer interaction structure, and thus improves the convenience of testing;

[0026] The utility model is provided with three mutually connected left racks, middle racks and right racks, which improves the utilization rate of the internal space of the chassis while ensuring the overall structural strength;

[0027] The utility model arranges the simulator on the left and right racks, arranges the heavier regulator on the left or right rack to contact the bottom of the chassis and conduct heat, and arranges the controller on the middle rack away from the simulator, thereby ensuring heat dissipation performance while enhancing fixing strength.

[0028] The utility model arranges the relays on the middle frame, arranged on both sides of the middle frame and horizontally located between the simulator and the control unit, thereby ensuring the heat dissipation performance and improving the space utilization rate inside the chassis;

[0029] The operating surface of the utility model is also provided with a plurality of control buttons, which provide redundant control for the control function of the control panel, thereby improving the working condition applicability of the utility model;

[0030] The controller of the utility model is a host terminal; it can integrate the setting control process, control the test process and save the test data

[0031] The operating surface of the utility model is provided with a USB interface, which can be used by staff to transfer and back up test data. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0033] Figure 1 This is a schematic diagram of the front structure of the indoor test bench in a specific embodiment of the present utility model;

[0034] Figure 2 This is a schematic diagram of the internal structure of the chassis of the indoor test bench in a specific embodiment of the present invention (connecting wires are omitted);

[0035] Among them: 1. Chassis; 2. Operation surface; 3. Controller; 4. Control unit; 5. Relay; 6. Simulator; 7. Regulator; 8. Left rack; 9. Middle rack; 10. Right rack; 11. Control button; 12. USB interface; 13. Placement table; 14. Sending unit test interface; 15. Receiving unit test interface. DETAILED DESCRIPTION

[0036] The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0037] The following describes the embodiments of the present disclosure through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all of the embodiments. The present disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present disclosure.

[0038] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on this disclosure, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement an apparatus and / or practice a method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this apparatus and / or practice this method.

[0039] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present disclosure. The illustrations only show components related to the present disclosure and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0040] Additionally, in the following description, specific details are provided to provide a thorough understanding of the examples. However, one skilled in the art will appreciate that the aspects described can be practiced without these specific details.

[0041] In one embodiment of the present invention, an indoor test bench is provided for testing an indoor track circuit transmitting unit and an indoor track circuit receiving unit in a railway circuit. Figure 1 、 2 As shown, the test bench includes:

[0042] Chassis 1;

[0043] The operating surface 2 is provided at one end of the chassis 1 and is provided with a placement table 13, a sending unit test interface 14 and a receiving unit test interface 15;

[0044] A controller 3 is provided on the operating surface 2;

[0045] A rack, installed in the chassis 1;

[0046] A control unit 4 is installed on the rack in the chassis 1 and is electrically connected to the controller 3;

[0047] A plurality of relays 5 are mounted on the rack, and the low-voltage ends are electrically connected to the control unit 4;

[0048] The simulator 6 has an input end electrically connected to the high voltage end of the relay 5 and an output end electrically connected to the sending unit test interface 14 and the receiving unit test interface 15;

[0049] The regulator 7 has a control end connected to the high-voltage end of the relay 5 and an output end electrically connected to the simulator 6 .

[0050] In this embodiment, the operating surface 2 is approximately perpendicular to the horizontal plane.

[0051] In this embodiment, the placement platform 13 is disposed adjacent to the operating surface 2 and parallel to a horizontal plane.

[0052] In this embodiment, the rack includes a left rack 8, a middle rack 9, and a right rack 10 that are connected to each other;

[0053] The middle rack 9 is disposed in the middle of the chassis 1 , between the left rack 8 and the right rack 10 .

[0054] In this embodiment, the simulator 6 is arranged on the left rack 8 and the right rack 10; the regulator 7 is arranged on the left rack 8 or the right rack 10, in contact with the bottom of the chassis 1 and arranged for heat conduction; the controller 3 is arranged on the middle rack 9 and away from the simulator 6.

[0055] In this embodiment, the relays 5 are all arranged on the middle frame 9 , arranged on both sides of the middle frame 9 , and horizontally located between the simulator 6 and the control unit 4 .

[0056] In this embodiment, a plurality of control buttons 11 are also provided on the operation surface 2; each of the control buttons 11 is electrically connected to the control unit 4; each of the control buttons 11 is a sending end start test button, a sending end stop test button, a receiving end start test button, and a receiving end stop test button.

[0057] In this embodiment, the controller 3 is a host terminal.

[0058] In this embodiment, a USB interface 12 is further provided on the operation surface 2; the USB interface 12 is electrically connected to the host terminal.

[0059] In this embodiment, the operation surface 2, the sending unit test interface 14 and the receiving unit test interface 15 are arranged on the same operation surface 2, and a reasonable human-computer interaction structure is set up, thereby improving the convenience of testing;

[0060] This embodiment provides three interconnected left racks 8, middle racks 9, and right racks 10, which improve the internal space utilization of the chassis 1 while ensuring the overall structural strength;

[0061] In this embodiment, the simulator 6 is arranged on the left rack 8 and the right rack 10, the heavier regulator 7 is arranged on the left rack 8 or the right rack 10 to contact the bottom of the chassis 1 and conduct heat, and the controller 3 is arranged on the middle rack 9 away from the simulator 6, thereby ensuring heat dissipation performance while enhancing the fixing strength;

[0062] In this embodiment, the relays 5 are arranged on the middle frame 9, on both sides of the middle frame 9 and horizontally between the simulator 6 and the control unit 4, thereby improving the space utilization inside the chassis 1 while ensuring the heat dissipation performance.

[0063] The operating surface 2 of this embodiment is also provided with a plurality of control buttons 11, which provide redundant control for the control function of the control panel, thereby improving the working condition applicability of this embodiment;

[0064] The controller 3 of this embodiment is a host terminal; it can integrate the setting control process, control the test process and save the test data

[0065] The operating surface 2 of this embodiment is provided with a USB interface 12 for workers to transfer and back up test data.

[0066] This indoor test bench is custom-designed based on the electrical specifications of the equipment. It can test the electrical specifications of indoor transmitting and receiving units at 25 Hz (no-load current, half-load voltage, full-load voltage, and isolation impedance), 50 Hz (current, voltage, and impedance), and frequency-shifted (no-load voltage and full-load voltage). A computer collects the actual values ​​of each measured parameter, automatically completing the test with a single click. The data is stored in a database. Computer data collection, data storage, and local database management facilitate querying and printing of all test data. The system also automatically generates test reports based on test data and provides local database management capabilities.

[0067] The interior of this test bench provides appropriate test conditions for the device under test. Each test item strictly adheres to electrical testing principles during testing to ensure safe and reliable testing. Therefore, we select high-quality, precision instruments and high-quality electronic components to ensure product reliability and stability. The chassis 1 of this embodiment houses a 25Hz / 50Hz programmable variable frequency power supply and a 2000Hz programmable variable frequency power supply as simulators 6. Internally, current, voltage, frequency, and acquisition modules (controller 3) are used, along with relay 5 modules for control.

[0068] The test bench of this embodiment has the following characteristics:

[0069] 1. Test bench dimensions (1200mm / 1200mm / 600mm).

[0070] 2. The test bench is simple, beautiful and easy to operate.

[0071] 3. The test bench uses industrial control touch screen, acquisition module, PLC, and relay 5 modules, which are stable, safe, reliable and easy to maintain.

[0072] 4. The test bench input voltage is AC220V, 50HZ, the input current is AC1.0A~3.0A, and the output is 25hz, 50hz, 2000hz, and adjustable power supply.

[0073] 5. The test bench has the functions of automatically completing the test with one click, automatically collecting data, and automatically generating test reports.

[0074] The above description is merely a specific embodiment of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. An indoor test bench, characterized in that: Used to test the indoor track circuit sending unit and indoor track circuit receiving unit in the railway circuit, the test bench includes: Chassis; An operating surface is provided at one end of the chassis and is provided with a placement table, a sending unit test interface, and a receiving unit test interface; A controller, arranged on the operating surface; a rack, mounted in the chassis; a control unit, mounted on the rack in the chassis and electrically connected to the controller; A plurality of relays are mounted on the rack, and low-voltage ends of the relays are electrically connected to the control unit; A simulator, wherein the input end is electrically connected to the high voltage end of the relay, and the output end is electrically connected to the sending unit test interface and the receiving unit test interface; The regulator has a control end connected to the high-voltage end of the relay and an output end electrically connected to the simulator.

2. The indoor test bench according to claim 1, characterized in that The operating surface is approximately perpendicular to the horizontal plane.

3. The indoor test bench according to claim 2, characterized in that: The placement table is arranged adjacent to the operation surface and parallel to the horizontal plane.

4. The indoor test bench according to claim 1, characterized in that: The rack includes a left rack, a middle rack and a right rack that are connected to each other; The middle rack is arranged in the middle of the chassis and between the left rack and the right rack.

5. The indoor test bench according to claim 4, characterized in that: The simulator is arranged on the left rack and the right rack; the regulator is arranged on the left rack or the right rack, in contact with the bottom of the chassis and arranged for heat conduction; the controller is arranged on the middle rack and away from the simulator.

6. The indoor test bench according to claim 5, characterized in that: Each of the relays is arranged on the middle frame, arranged on both sides of the middle frame, and horizontally located between the simulator and the control unit.

7. The indoor test bench according to claim 1, characterized in that: A plurality of control buttons are also provided on the operation surface; each of the control buttons is electrically connected to the control unit; each of the control buttons is respectively a transmitter start test button, a transmitter stop test button, a receiver start test button, and a receiver stop test button.

8. The indoor test bench according to claim 1, characterized in that: The controller is a host terminal.

9. The indoor test bench according to claim 8, characterized in that: The operation surface is also provided with a USB interface; the USB interface is electrically connected to the host terminal.

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