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A kind of PCBA test fixture and test method

A technology of test fixtures and test boards, which can be used in printed circuit testing, electronic circuit testing, etc., and can solve problems such as inability to guarantee

Active Publication Date: 2022-07-22
SHENZHEN MINIEYE INNOVATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a PCBA test fixture and a test method to solve the problem that the prior art PCBA test fixture cannot ensure that the ground signal of the PCBA under test and the functional test base contact first during the pressing process of the movable carrier. , technical issues contacted after other signals

Method used

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  • A kind of PCBA test fixture and test method
  • A kind of PCBA test fixture and test method
  • A kind of PCBA test fixture and test method

Examples

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Embodiment Construction

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0037] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rath...

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PUM

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Abstract

The invention relates to the technical field of circuit board testing, and discloses a PCBA test fixture and a test method. The test fixture includes a test board component and a movable carrier; the test board component is provided with a constant signal probe and a ground signal probe; The tool is provided with a receiving position for placing the PCBA to be tested. In the area of ​​the receiving position, there are through holes for the normal signal probes to pass through, and the bottom surface is in contact with the ground signal probes. The height of the top surface is not lower than the capacity Conductive positioning posts with a set height; when the movable carrier is in an unpressed state, the height of the top surface of the constant signal probe is lower than the height of the accommodating position, so that the PCBA to be tested placed in the accommodating position is in contact with the conductive positioning posts , not in contact with the normal signal probe; when the movable carrier is moved to a predetermined distance by the downward pressing force, the PCBA to be tested is in contact with the normal signal probe passing through the through hole; after the test is completed, the PCBA to be tested is first The signal probe is disconnected to achieve the effect of "the ground signal is connected first and disconnected last during the test process".

Description

technical field [0001] The invention relates to the technical field of circuit board testing, in particular to a PCBA testing fixture and a testing method. Background technique [0002] PCBA test fixtures on the market generally include functional test base plates and movable vehicles. The functional test base plate is provided with a general interface to connect with external test equipment such as acquisition equipment, host computer system, and power supply equipment, and is provided with test probes extending to the movable carrier. The PCBA under test is placed on the movable carrier, and the movable carrier is pressed down manually or automatically, so that the test points of the PCBA under test are in contact with the corresponding test probes, and finally the connection between the external test equipment and the PCBA under test is realized, namely The relevant automated tests can be started. [0003] There is a one-to-one correspondence between the test probes on ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/28
CPCG01R31/2808
Inventor 杨荣德刘国清杨广王启程于敏驹
Owner SHENZHEN MINIEYE INNOVATION TECH CO LTD