Vehicle-mounted PCBA on-line testing system and testing method

Abstract

The invention discloses a vehicle-mounted electric pedal PCBA on-line testing system and a testing method. The testing system comprises a testing cabinet, a testing fixture, an electric control unit, a PCBA executing load unit, a PC system and testing system software. The testing fixture, the electric control unit and the PC system are fixed into the testing cabinet. The testing system sends out controlling and testing information through the testing system software, the PCBA executing load unit is driven by a to-be-tested PCBA plate to move, a current Hall sensor collects real-time data of a direct current motor in the moving process, the data information of tested points of the to-be-tested PCBA plate in the working process is electrically transmitted through a testing probe, the collected real-time data are transmitted to a PC system through a data collection control card and are processed by the testing system software, and the testing function of the to-be-tested PCBA plate is achieved. The vehicle-mounted PCBA on-line testing system and the testing method have the advantages that the stability of the system is good, the precision is high, the testing speed is high, operation is convenient and data can be stored, and the vehicle-mounted PCBA on-line testing system and the testing method can be applied to the technical field of PCBA testing.

Description

technical field [0001] The invention relates to the field of electronic product testing, in particular to an on-line testing system and testing method for a vehicle-mounted electric pedal PCBA. Background technique [0002] A printed circuit board (PCB) is a support for electronic components. In addition to fixing various electronic components, its main function is to provide electrical connections between electronic components on the board. The finished circuit board (Printed circuit board Assemble, PCBA) is the finished product after the whole process of SMT upper part and DIP plug-in on the basis of the printed circuit board (PCB), referred to as PCBA. With the development of electronic circuit integration technology, the functions and internal structures of various electronic products are becoming more and more powerful and complex, which puts forward higher technical requirements for on-site real-time testing of electronic products. Accuracy can no longer meet existing...

AI Technical Summary

Problems solved by technology

The main advantages of this test method are low upfront cost, high output, easy follow-up diagnosis and quick and complete short circuit and open circuit tests, etc.; the main disadvantages are that functional testing cannot be performed, usually there is no test coverage indicator, fixtures must be used, and the test cost is high, etc.

Images