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Detection device and detection system of test board

A detection device and detection system technology, which is applied in the direction of electrical connection testing, etc., can solve the problems of non-foolproofness in the testing process, unfavorable automatic testing of production lines, and reduced service life of testing interfaces, so as to realize automatic testing, improve testing reliability, The effect of saving test time

Pending Publication Date: 2022-05-13
SIMCOM WIRELESS SOLUTIONS SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the excessive manual intervention in the test process of the test board in the prior art, the test process is not fool-proof, the test time is long, it is not conducive to the automatic test of the production line, the service life of the test interface is reduced, and the Additional hardware design and production costs, with the increase of test fatigue, the defects of test reliability are greatly reduced, and a test device and test system for test boards are provided

Method used

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  • Detection device and detection system of test board
  • Detection device and detection system of test board
  • Detection device and detection system of test board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] This embodiment provides a detection device for a test board, figure 1 A schematic diagram of the signal relationship of a detection device for a test board provided in Embodiment 1 of the present invention; the detection device includes a first gating switch 1, a second gating switch 2, a Type-C interface 3 and a controller; Type-C Interface 3 includes CC pins 31 and differential signal pins 32, and test board 4 includes first CC test pins 41, second CC test pins 42, first differential signal test pins 43 and second differential signal test pins 44; the controller is used to output the first switch control signal to the strobe pin 11 of the first strobe switch 1, and output the second switch control signal to the strobe pin 21 of the second strobe switch 2; Type-C interface 3 Connect to the test board 4 through the first strobe switch 1 and the second strobe switch 2 respectively, and select the CC pin 31 and the first CC test pin 41 or the second CC test pin according...

Embodiment 2

[0111] This embodiment provides a detection system for a test board, and the detection system includes a test board and any detection device in Embodiment 1.

[0112]In the detection system of the test board of this embodiment, the function of the test board is detected by the detection device of the test board, and in the case of a single insertion of the USB device, the first CC test pin, The second CC test pin, the first differential signal test pin and the second differential signal test pin are tested, thereby realizing the detection of the test board function, avoiding manual repeated plugging and unplugging of USB devices, and prolonging the test life of the Type-C interface. Reduce the hardware design and production cost of the test board, save test time, realize automatic test, and improve test reliability.

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Abstract

The invention discloses a detection device and a detection system for a test board. The detection device comprises a first gating switch, a second gating switch, a Type-C interface and a controller, the controller outputs a first switch control signal to the gating pin of the first gating switch and outputs a second switch control signal to the gating pin of the second gating switch; the Type-C interface is connected with the test board through the first gating switch and the second gating switch, and selects to connect the CC pin with the first CC test pin or the second CC test pin according to the first switch control signal. And connecting the differential signal pin with the first differential signal test pin or the second differential signal test pin according to the second switch control signal. According to the invention, repeated manual plugging of the USB device is avoided, the test life of the Type-C interface is prolonged, the hardware design and manufacturing cost of the test board is reduced, the test time is saved, automatic test is realized, and the test reliability is improved.

Description

technical field [0001] The invention relates to the technical field of interface testing, in particular to a detection device and a detection system of a test board. Background technique [0002] Type-C (also known as USB Type-C, which is a USB interface appearance standard) interface is a connection interface of USB (Universal Serial Bus, Universal Serial Bus) interface. In terms of cable structure, there is a distinction between forward and reverse insertion, and the status reading of forward and reverse insertion is identified through the CC1 pin line sequence in the Type-C interface. The USB Type-C interface contains eight differential The signal pins TX1-, TX1+, RX1-, RX1+, TX2-, TX2+, RX2-, RX2+ support forward and reverse insertion; when a USB device is inserted into the Type-C interface, it will automatically recognize and switch the direction; when the USB device When the Type-C interface is inserted in the forward direction, the CC1 pin in the Type-C interface det...

Claims

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Application Information

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IPC IPC(8): G01R31/67
CPCG01R31/67
Inventor 张俊锋吕斐
Owner SIMCOM WIRELESS SOLUTIONS SHANGHAI