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Inspection method for inspecting welding correctness of the device of device on circuit board in batch

A technology for inspecting circuits and inspection methods, which is applied in the direction of optical testing for flaws/defects, etc. It can solve problems such as high work intensity, missed inspections, and incompatible circuit board methods, so as to achieve high inspection efficiency, reduce labor intensity, and improve accuracy. Effect

Inactive Publication Date: 2012-07-04
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Application Information

AI Technical Summary

Problems solved by technology

This manual inspection method has high work intensity and is prone to missed inspections caused by personnel fatigue, and it is not compatible with the batch production and processing of circuit boards, which affects the product development and production cycle.

Method used

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  • Inspection method for inspecting welding correctness of the device of device on circuit board in batch
  • Inspection method for inspecting welding correctness of the device of device on circuit board in batch
  • Inspection method for inspecting welding correctness of the device of device on circuit board in batch

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Embodiment Construction

[0015] The method of the present invention presses figure 1 The flow shown is implemented, in which the inspection platform is built and the computer control system is built according to figure 2 The configuration shown is implemented.

[0016] Among them, the line-scan camera 8 adopts the Piranha 3 black-and-white line-scan camera produced by DALSA; the lighting 9 adopts the LED lighting produced by Philips; the transmission motor 10 adopts the 39BYG801 stepping motor produced by Changzhou Yameike BMW Motor Factory; Customized conveyor belt made of rubber material; transmission bearing 12 is produced by Changchun Aopu Optoelectronics Technology Co., Ltd.; base 13 is made of cast iron and manufactured by Changchun Aopu Optoelectronics Technology Co., Ltd.; computer processing equipment 15 adopts Advantech IPC-610 industrial computer.

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Abstract

The invention provides an inspection method for inspecting the welding correctness of a device on a circuit board in batch, and belongs to the inspection method for inspecting the welding correctness of the device on the circuit board in batch, related in the technical field of photoelectric detection. The inspection method aims at solving the technical problem to provide the inspection method for inspecting the welding correctness of the device on the circuit board in batch. In order to solve the problems, the inspection method adopts the technical scheme that an inspection base platform is built, a computer control system is constructed, an inspection template is built, circuit board to be inspected in batch are subjected to photo taking and image processing one by one, in addition, pre-judging results are given out, and the manual re-checking is carried out on the judged unqualified products. The photo taking and image processing technology is utilized in the method. Compared with the manual inspection, the method has the advantages that the inspection accuracy is high, the inspection efficiency is high, the fast inspection of the circuit board in batch can be realized, the work intensity of inspectors is reduced, the inspection efficiency is improved, and the product inspection period is shortened.

Description

technical field [0001] The invention belongs to the inspection method for batch inspection of welding correctness of components on circuit boards and relates to the technical field of photoelectric detection. Background technique [0002] With the rapid development of computer technology and large-scale integrated circuit technology, electronic systems and electronic equipment have been widely used in various fields such as industry, agriculture, commerce, aerospace, and military affairs. In the process of developing electronic systems and electronic equipment, the circuit boards with soldered electronic components must be inspected to check whether the electronic components are correctly welded according to the design requirements, including whether the soldered electronic components are of correct type and whether there is any missing soldering. The components, whether the welding position of the components is correct, etc. Usually these inspections are done by inspectors...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/88
Inventor 顾营迎贺庚贤宁飞沈湘衡
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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