Test trolley for plug-and-play communication module

By designing a closed test chamber and shielded box structure, combined with linear modules and cylinder systems, the problem of signal interference in the testing of plug-and-play communication modules was solved, achieving efficient and accurate large-scale testing.

CN223625872UActive Publication Date: 2025-12-02HANGZHOU WOYI DIGITAL TECH CO LTD
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Patent Information

Application Number
CN202423053648.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-12-02
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing labor-intensive testing methods cannot meet the requirements of mass production, high quality and low cost of plug-and-play communication modules, and there are signal interference problems between modules.

Method used

A test vehicle for plug-and-play communication modules was designed. It adopts a closed test box and shielded box structure, combined with a linear module and cylinder system, for loading and testing communication modules. The testing is performed through an RF detection module and a serial port connector to reduce wireless signal interference.

Benefits of technology

It enables large-scale, high-quality testing of communication modules, reduces wireless signal interference, improves testing accuracy, and meets the needs of mass production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a test dolly for a plug-and-play communication module, which comprises a main body, and a test box and a push plate which are arranged on the upper side of the main body, one side of the test box is provided with an opening, the push plate is matched with the opening, and one side of the push plate is provided with a second carrier matched with the plug-and-play communication module; a test unit of the plug-and-play communication module is arranged in the test box; the main body is provided with a third linear module, and the output end of the third linear module is connected with the push plate. The second carrier is used for loading the plug-and-play communication module; after being loaded, the wireless signals are pushed into the test box and detected through the test unit, the interference between the wireless signals can be reduced or avoided through the closed environment of the test box, the detection accuracy is improved, and large-scale detection can be achieved.
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Description

Technical Field

[0001] This utility model relates to the field of product testing technology, specifically to a test vehicle for a plug-and-play communication module. Background Technology

[0002] Plug-and-play communication modules are electronic components that enable data transmission and communication. They offer the advantage of being plug-and-play, allowing for rapid installation and networking. These modules typically employ wireless communication methods, such as Bluetooth, infrared, and RF. They may also include a serial port for both wireless and wired communication, allowing for flexible selection of the optimal path based on communication quality to ensure a stable and reliable connection. Existing labor-intensive testing methods are insufficient to meet the demands of high-volume, high-quality, and low-cost production of plug-and-play communication modules. Signal interference between modules during mass testing limits the testing capabilities. Utility Model Content

[0003] To address the aforementioned technical problems in the existing technology, this utility model provides a test vehicle for a plug-and-play communication module, reducing interference between wireless signals during the testing process.

[0004] This utility model discloses a test cart for a plug-and-play communication module, including a main body, a test box and a push plate disposed on the upper side of the main body, an opening provided on one side of the test box, the push plate cooperating with the opening, a second carrier cooperating with the plug-and-play communication module provided on one side of the push plate, a test unit for the plug-and-play communication module disposed inside the test box, and a third linear module disposed on the main body, the output end of the third linear module being connected to the push plate.

[0005] Preferably, the test chamber is equipped with a shielding box.

[0006] The shielding box is provided with a wire trough on its side, and a terminal block is provided on the wire trough;

[0007] The push plate engages with an opening on one side of the shielding box.

[0008] Preferably, a loading position is provided on one side of the test box;

[0009] The push plate is movably mounted on the path between the loading position and the test chamber.

[0010] Preferably, the upper side of the main body is provided with a mounting cavity, and the third linear module is installed in the mounting cavity.

[0011] The upper sidewall of the main body is provided with a guide groove, and the connecting plate is movably disposed on the guide groove;

[0012] The third linear module is connected to the connecting plate; the connecting plate is fixed to the rear side of the push plate.

[0013] Preferably, the second carrier includes a first base plate, a loading frame, and a third cylinder and a third guide rail mounted on the first base plate.

[0014] The loading rack, which works with the plug-and-play communication module, is movably mounted on the third guide rail;

[0015] The output end of the third cylinder is connected to the loading frame.

[0016] Preferably, the main body has a mounting component on the side near the loading position, and the mounting component cooperates with the transmission line;

[0017] A warning device is provided on the upper side of the main body.

[0018] Preferably, the plug-and-play communication module is equipped with an RF test point and a data serial port;

[0019] The test unit is equipped with an RF detection module that works in conjunction with the RF test point, and a serial port connector that works in conjunction with the data serial port.

[0020] Preferably, one end of the serial port connector is connected to a data serial port, and the other end is connected to a serial port board;

[0021] The radio frequency detection module is connected to the metal detector via an attenuator;

[0022] The gold-making machine is connected to the second base plate and another serial port plate, respectively.

[0023] Preferably, the plug-and-play communication module is further provided with high-voltage headers and / or low-voltage headers;

[0024] The test unit is equipped with a high-voltage pin header connector that mates with the high-voltage pin header, and a low-voltage pin header connector that mates with the low-voltage pin header.

[0025] The high-voltage pin header connector is connected to the second base plate via a coupling plate and an attenuator.

[0026] The low-voltage pin header connector is connected to the second base plate via a virtual dial indicator.

[0027] Compared with the prior art, the beneficial effects of this utility model are as follows: the second carrier is used to load the plug-and-play communication module; after loading, it is pushed into the test box and tested through the test unit. The closed environment of the test box can reduce or avoid interference between wireless signals, improve the accuracy of the test, and enable large-scale testing. Attached Figure Description

[0028] Figure 1This is a schematic diagram of the structure of the test vehicle for the plug-and-play communication module of this utility model;

[0029] Figure 2 This is a structural diagram of the shielding box;

[0030] Figure 3 This is a structural schematic diagram of the second vehicle;

[0031] Figure 4 This is the schematic diagram of the test unit;

[0032] Figure 5 This is a deployment diagram of multiple test units.

[0033] The diagram shows the following components: 3. Test trolley; 31. Main body; 311. Shielding box; 312. Cable tray; 313. Terminal block; 314. Mounting cavity; 315. Guide groove; 32. Test box; 33. Third linear module; 331. Connecting plate; 34. Second carrier; 341. Push plate; 342. Loading position; 343. First base plate; 344. Third cylinder; 345. Third guide rail; 346. Loading frame; 35. Mounting component; 36. Warning device.

[0034] 37 Test Unit, 371 Metal Components, 372 Second Baseboard, 373 RF Detection Module

[0035] 374 High-voltage pin header connector, 375 Low-voltage pin header connector, 376 Serial port connector. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0037] The present invention will now be described in further detail with reference to the accompanying drawings:

[0038] A test vehicle 3 for a plug-and-play communication module, such as Figures 1-3 The device includes a main body 31, a test box 32 and a push plate 341 disposed on the upper side of the main body 31. The test box 32 has an opening on one side, and the push plate 341 cooperates with the opening. A second carrier 34 that cooperates with a plug-and-play communication module is disposed on one side of the push plate 341. A test unit 37 of the plug-and-play communication module is disposed inside the test box. The main body 31 is provided with a third linear module 33, and the output end of the third linear module 33 is connected to the push plate 341.

[0039] The second carrier 34 is used to load the plug-and-play communication module (module under test); after loading, it is pushed into the test box 32 and tested through the test unit. The closed environment of the test box can reduce or avoid interference between wireless signals, improve the accuracy of the test, and enable large-scale testing.

[0040] More specifically, the test box 32 is equipped with a shielding box 311, and a wire groove 312 is provided on the side of the shielding box 311. A wiring board 313 is provided on the wire groove 312; the push plate cooperates with the opening on one side of the shielding box 311. The shielding box 311 further reduces the interference of wireless signals and improves the accuracy of detection.

[0041] like Figure 2 The test chamber 32 has a loading position 342 on one side; the push plate 341 is movably installed on the path between the loading position 342 and the test chamber 32. The push plate 341 is pushed to the loading position 342 to load and unload the module under test. The main body 31 has a mounting cavity 314 on its upper side, and the third linear module 33 is installed in the mounting cavity 314. The upper side wall of the main body 31 has a guide groove 315, and the connecting plate 331 is movably mounted on the guide groove 315; the third linear module 33 is connected to the connecting plate 331; the connecting plate 331 is fixed to the rear side of the push plate 341.

[0042] like Figure 3 The second carrier 34 includes a first base plate 343, a loading frame 346, a third cylinder 344 and a third guide rail 345 mounted on the first base plate 343. The loading frame 346, which cooperates with the plug-and-play communication module, is movably mounted on the third guide rail 345. The output end of the third cylinder 344 is connected to the loading frame 346. The loading frame 346 is moved up and down by controlling the third cylinder 344, so that the module under test can be engaged or disengaged from the test unit.

[0043] like Figure 1 The main body 31 has a mounting component 35 on the side near the loading position 342, and the mounting component 35 cooperates with the transmission line; a warning device 36 is provided on the upper side of the main body 31.

[0044] Figure 4 and Figure 5 The test principle of the test unit is shown: the module under test is equipped with RF test points and a data serial port; the test unit 37 is equipped with an RF detection module 373 that cooperates with the RF test points, and a serial port connector 376 that cooperates with the data serial port.

[0045] The RF test points of the module under test are detected by the RF detection module 373 of the test unit 37, and the data serial port is connected through the serial port connector 376 for testing. The test unit can simultaneously perform data serial port and RF function testing, which improves testing efficiency and meets the requirements of mass production, high quality and low cost of the module under test.

[0046] In one specific design, one end of the serial port connector 376 is connected to a data serial port, and the other end is connected to a serial port board A1; the RF detection module 373 is connected to the gold detector 371 via an attenuator. The gold detector 371 is connected to a second base plate 372 and another serial port board B1. The serial port board is used to receive corresponding signals and detect the signals; its detection method and structure are existing technologies and will not be described in detail here.

[0047] The module under test is also provided with high-voltage pin headers and / or low-voltage pin headers; the test unit is provided with a high-voltage pin header connector 374 that cooperates with the high-voltage pin headers and a low-voltage pin header connector 375 that cooperates with the low-voltage pin headers. The high-voltage pin header connector 374 is connected to the second base plate 372 through a coupling plate and an attenuator; the low-voltage pin header connector 375 is connected to the second base plate 372 through a virtual meter.

[0048] Figure 5 The diagram illustrates a design with multiple test units 37 arranged side-by-side, which allows for the simultaneous testing of multiple modules under test. In one specific embodiment, 4-8 modules under test can be tested simultaneously.

[0049] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A test vehicle for a plug-and-play communication module, characterized in that, Includes a main body (31), and a test box (32) and a push plate (341) disposed on the upper side of the main body (31). The test box (32) has an opening on one side, the push plate (341) cooperates with the opening, and a second carrier (34) that cooperates with the plug-and-play communication module is provided on one side of the push plate (341). The test box is equipped with a test unit (37) for a plug-and-play communication module; The main body (31) is provided with a third linear module (33), and the output end of the third linear module (33) is connected to the push plate (341).

2. The test vehicle according to claim 1, characterized in that, The test box (32) is equipped with a shielding box (311). The shielding box (311) is provided with a wire trough (312) on its side, and a terminal block (313) is provided on the wire trough (312); The push plate (341) is matched with the opening on one side of the shielding box (311).

3. The test vehicle according to claim 1, characterized in that, The test box (32) has a loading position (342) on one side; The push plate (341) is movably mounted on the path between the loading position (342) and the test box (32).

4. The test vehicle according to claim 3, characterized in that, The main body (31) has a mounting cavity (314) on its upper side, and the third linear module (33) is installed in the mounting cavity (314). The upper side wall of the main body (31) is provided with a guide groove (315), and the connecting plate (331) is movably disposed on the guide groove (315); The third linear module (33) is connected to the connecting plate (331); the connecting plate (331) is fixed to the rear side of the push plate (341).

5. The test vehicle according to claim 3, characterized in that, The second carrier (34) includes a first base plate (343), a loading frame (346), and a third cylinder (344) and a third guide rail (345) mounted on the first base plate (343). The loading rack (346) that works with the plug-and-play communication module is movably mounted on the third guide rail (345); The output end of the third cylinder (344) is connected to the loading frame (346).

6. The test vehicle according to claim 3, characterized in that, The main body (31) has a mounting component (35) on one side near the loading position (342), and the mounting component (35) cooperates with the transmission line; A warning device (36) is provided on the upper side of the main body (31).

7. The test vehicle according to claim 1, characterized in that, The plug-and-play communication module is equipped with RF test points and a data serial port; The test unit (37) is equipped with a radio frequency detection module (373) that cooperates with the RF test point, and a serial port connector (376) that cooperates with the data serial port.

8. The test vehicle according to claim 7, characterized in that, One end of the serial port connector (376) is connected to the data serial port, and the other end is connected to a serial port board; The radio frequency detection module (373) is connected to the metal detector (371) via an attenuator; The gold-making machine (371) is connected to the second base plate (372) and another serial port plate respectively.

9. The test vehicle according to claim 8, characterized in that, The plug-and-play communication module is also provided with high-voltage headers and / or low-voltage headers. The test unit is provided with a high-voltage pin connector (374) that mates with the high-voltage pin header, and a low-voltage pin connector (375) that mates with the low-voltage pin header. The high-voltage pin header connector (374) is connected to the second base plate (372) via a coupling plate and an attenuator; The low-voltage pin header connector (375) is connected to the second base plate (372) via a virtual table.