Comprehensive testing device for PLC and RF dual-mode communication module

Abstract

The utility model discloses a comprehensive testing device for a PLC (Programmable Logic Controller) and RF (Radio Frequency) dual-mode communication module, which comprises a testing unit, and the PLC and RF dual-mode communication module is provided with an RF testing point and a data serial port; and the test unit is provided with a radio frequency detection module matched with the RF test point and a serial port connecting piece matched with the data serial port. Detecting an RF test point of the dual-mode module through a radio frequency detection module of the test unit, connecting a data serial port through a serial port connector, and performing detection; pLC and RF functions can be detected at the same time, the detection efficiency is improved, and the large-batch, high-quality and low-cost production requirements of the dual-mode module can be met.

Description

Technical Field

[0001] This utility model relates to the field of product testing technology, specifically to a comprehensive testing device for PLC and RF dual-mode communication modules. Background Technology

[0002] The PLC and RF dual-mode communication module (dual-mode module) is the core component of PLC and RF dual-mode communication converged networking. It integrates PLC and low-power wireless radio frequency, and can flexibly select the optimal path according to communication quality to ensure a stable and reliable connection. Existing labor-intensive testing methods can no longer meet the requirements of high-volume, high-quality, and low-cost production of dual-mode modules. Utility Model Content

[0003] In view of the above-mentioned technical problems existing in the prior art, this utility model provides a comprehensive testing device for PLC and RF dual-mode communication modules, which meets the testing requirements of dual-mode modules.

[0004] This utility model discloses a comprehensive testing device for a PLC and RF dual-mode communication module, including a testing unit. The PLC and RF dual-mode communication module is equipped with RF test points and a data serial port. The testing unit is equipped with an RF detection module that cooperates with the RF test points and a serial port connector that cooperates with the data serial port.

[0005] 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;

[0006] The radio frequency detection module is connected to the metal detector via an attenuator.

[0007] Preferably, the gold-making machine is connected to the base plate and another serial port plate respectively.

[0008] Preferably, the PLC and RF dual-mode communication module is further provided with high-voltage pin headers and / or low-voltage pin headers;

[0009] The detection unit is provided 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.

[0010] The high-voltage pin header connector is connected to the base plate via a coupling plate and an attenuator.

[0011] The low-voltage pin header connector is connected to the base plate via a virtual dial indicator.

[0012] Preferably, the integrated testing device includes multiple test units arranged in parallel.

[0013] Preferably, the integrated testing device further includes a test chamber, and the test unit is disposed inside the test chamber.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: the RF test points of the dual-mode module are detected by the RF detection module of the test unit, and the data serial port is connected by the serial port connector for testing; PLC and RF functions can be tested simultaneously, improving testing efficiency and meeting the requirements of mass production, high quality and low cost of dual-mode modules. Attached Figure Description

[0015] Figure 1 This is the logic block diagram of the test unit;

[0016] Figure 2 It is a logical block diagram of the deployment of multiple test units.

[0017] The diagram shows: 28 PLC and RF dual-mode communication module.

[0018] 37 Test Unit, 371 Metal Components, 372 Base Plate, 373 RF Detection Module, 374 High Voltage Pin Header Connector, 375 Low Voltage Pin Header Connector, 376 Serial Port Connector. Detailed Implementation

[0019] 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.

[0020] The present invention will now be described in further detail with reference to the accompanying drawings:

[0021] A comprehensive testing device for PLC and RF dual-mode communication modules, such as... Figure 1 and Figure 2 The system includes a test unit 37, and the PLC and RF dual-mode communication module (dual-mode module) 28 are 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.

[0022] The RF test points of the dual-mode module are detected by the RF detection module 373 of the test unit, and the data serial port is connected through the serial port connector 376 for testing. It can simultaneously test PLC and RF functions, improve testing efficiency, and meet the requirements of mass production, high quality and low cost of dual-mode modules.

[0023] 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 the 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.

[0024] The PLC and RF dual-mode communication module 28 is also provided with high-voltage pin headers and / or low-voltage pin headers; the detection 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 base plate 372 through a coupling plate and an attenuator; the low-voltage pin header connector 375 is connected to the base plate 372 through a virtual meter.

[0025] Figure 2 The diagram illustrates a design with multiple test units 37 arranged side-by-side, which can simultaneously test multiple dual-mode modules 28. In one specific embodiment, 4-8 dual-mode modules 28 (modules under test) can be tested simultaneously.

[0026] In one specific embodiment, a test chamber with a test unit 37 installed is also provided, wherein the test unit 37 is disposed within the test chamber.

[0027] In another specific embodiment, the integrated testing device supports online one-click range switching, RF calibration with the gold-plated machine interface, and conversion interface for data readers and controllers. It also supports PLC testing. It supports multi-meter synchronous testing, frequency hopping, and band-splitting testing. A single shielded box supports simultaneous testing of 8 modules, with a maximum support of 32 modules in 4 shielded boxes simultaneously, but is not limited to these limitations.

[0028] 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 comprehensive testing device for PLC and RF dual-mode communication modules, characterized in that, Including test unit (37), The PLC and RF dual-mode communication module (28) is equipped with an RF test point 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.

2. The comprehensive testing device according to claim 1, 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.

3. The comprehensive testing device according to claim 2, characterized in that, The gold-making machine (371) is connected to the base plate (372) and another serial port plate.

4. The comprehensive testing device according to claim 3, characterized in that, The PLC and RF dual-mode communication module (28) is also equipped with high-voltage pin headers and / or low-voltage pin 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 base plate (372) via a coupling plate and an attenuator; The low-voltage pin header connector (375) is connected to the base plate (372) via a virtual table.

5. The comprehensive testing device according to claim 1, characterized in that, It includes multiple test units (37).

6. The comprehensive testing apparatus according to any one of claims 1-5, characterized in that, It also includes a test chamber, and the test unit (37) is disposed inside the test chamber.

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