ICT test tool

Abstract

The invention discloses an ICT test tool which comprises a a pedestal, a needle bar plate module and a detection seat. The detection seat is arranged on the pedestal, a detection cylinder is arrangedon the detection seat along the height direction, an accommodating cavity is formed in the pedestal, the needle bar plate module comprises an upper needle bar plate and a pallet used for bearing a plate to be detected and arranged on the upper needle bar plate, a positioning bench is formed in the pedestal along the circumferential direction of the accommodating cavity, the upper needle bar plateis detachably arranged on the positioning bench to shield the accommodating cavity, a patch panel is arranged in the accommodating cavity and under the upper needle bar plate, a pad with lattice typecontact points is arranged on the switch panel, the output end of the detection cylinder is connected with a bearing plate, and a needle presser is detachably connected onto the bearing plate and is arranged over the pallet. The ICT test tool is simple in structure, can effectively replace a jigsaw, can detect PCBA of different models, replacement is more time-saving labor-saving, the cost can bereduced effectively, and the utilization efficiency of equipment is improved.

Description

technical field [0001] The invention relates to the technical field of PCBA testing, in particular to an ICT testing fixture for PCBA testing. Background technique [0002] Existing ICT tests are divided into flying probe ICT and needle bed ICT. The advantage of flying probe ICT is that it does not need to make fixtures, and the program development time is short. The disadvantage is that the single board test speed is slow and it is not suitable for mass testing. Bed-of-needles ICT can test the functions of analog devices and logic functions of digital devices, and has a high fault coverage rate. However, it is necessary to make a complete set of needle-bed fixtures for each PCBA board, and the cycle of fixture making and program development is long. As there are more and more types of electronic products, the frequency of fixture replacement is also increasing. However, for jigsaw test fixtures, this is a fatal flaw. As more pieces are assembled, the number of test points ...

AI Technical Summary

Problems solved by technology

As there are more and more types of electronic products, the frequency of fixture replacement is also increasing. However, for jigsaw test fixtures, this is a fatal flaw. As more pieces are assembled, the number of test points also increases. And one test point requires one wire to be connected to the host, which makes it more and more complicated to replace the fixture, and also increases the probability of damage to the fixture when replacing the fixture

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