High-precision circuit board testing equipment

Abstract

The present invention relates to the technical field of circuit board detection, in particular to a high-precision circuit board detection device, which includes a test bench, support plates respectively arranged on both sides of the top of the test bench, a board loading module, and a test device. The test device includes a machine Cover, test installation frame, probe test integrated board, lifting mechanism, the test installation frame is connected with the machine cover through the lifting mechanism, and the rear ends of both sides of the machine cover are respectively hinged with the rear ends of the supporting plates on the corresponding side; the lifting mechanism Including the lifting frame and the lifting cylinder, the two sides of the lifting frame are symmetrically provided with guide holes, the two sides of the machine cover are respectively provided with vertical strip holes along the Z-axis direction, and the two sides of the test mounting frame are respectively provided with rollers. The roller passes through the guide hole and rolls into the vertical strip hole; the invention can realize the contact connection between the probe test integrated board and the circuit board to be tested stably and with high precision, can ensure the normal progress of the circuit board test, and can Improve the overall test efficiency of the circuit board.

Description

Technical field: [0001] The invention relates to the technical field of circuit board detection, in particular to a high-precision circuit board detection device. Background technique: [0002] The principle of circuit board testing equipment is to connect the pads or test points on the circuit board through metal probes, and obtain typical values ​​such as the voltage value and current value of the test circuit when the circuit board is powered on, so as to observe whether the test circuit is conductive. If it is normal, it can quantitatively measure resistance, capacitance, inductance, crystal oscillator and other devices, perform functional tests on diodes, triodes, optocouplers, transformers, relays, operational amplifiers, power modules, etc., and perform functional tests on small and medium-sized integrated circuits , such as all 74 series, Memory class, common driver class, exchange class and other ICs. The circuit board inspection equipment finds defects in the manu...

AI Technical Summary

Problems solved by technology

[0003] However, most of the existing circuit board testing equipment directly drives the probe to test the integrated board through the cylinder and contacts and connects with the circuit board to be tested, and directly drives the cylinder to drive the probe to test the integrated board. Jitter, the probe test integrated board cannot accurately contact and connect with the circuit board to be tested and even cause scratches on the circuit board to be tested, which will affect the normal test of the circuit board and lead to low efficiency of the overall test of the circuit board

Images