Automatically-controlled current-driven test device for electrically-controlled shock absorber

Abstract

The invention discloses an automatically-controlled current-driven test device for an electrically-controlled shock absorber and belongs to the field of electrically-controlled shock absorbers. The automatically-controlled current-driven test device comprises a box body; a power supply system and a current driving system are arranged in the box body; the power supply system comprises a power supply and a voltage simulator; a power switch is connected with an external alternating-current circuit; a gear switch is arranged between the power supply system and the current driving system; one end of the gear switch is electrically connected with a voltage signal channel, and the other end of the gear switch is selectively and electrically connected with a manual gear port or an automatic gear port; the manual gear port is electrically connected with a voltage simulator, and the automatic gear port is electrically connected with an external testing machine; and each current driver converts an input voltage signal into a current signal and then transmits the current signal to the electrically-controlled shock absorber on a corresponding station through a wire. According to the automatically-controlled current-driven test device of the invention, current is stably, accurately and timely provided for a product in the durability verification process of the electrically-controlled shock absorber; and the whole valve train endurance test process of the electrically-controlled shock absorber on a multi-station valve train endurance platform is optimized.

Description

technical field [0001] The invention relates to the field of electronically controlled shock absorbers, in particular to an automatically controlled current-driven test device for electronically controlled shock absorbers. Background technique [0002] During the durability test of the valve system of the electronically controlled shock absorber, it is necessary to adjust the current input to meet the requirements of the change of the damping force value under different durability cycles. The existing conventional technology is to supply DC power (5-12V) to the electronically controlled shock absorber, and at the same time, after reaching a certain number of endurance cycles, manually adjust the power supply voltage and change the current to realize the change of the damping force value of the shock absorber . There is following defective in prior art: [0003] 1. During the endurance test, the current input to the electronically controlled shock absorber has large fluctua...

AI Technical Summary

Problems solved by technology

[0003] 1. During the endurance test, the current input to the electronically controlled shock absorber has large fluctuations, poor stability, difficult control, and slow signal response;

[0004] 2. Manually adjusting the voltage and changing the current under different endurance cycle times requires employees to monitor the test process all the time, which is time-consuming and labor-intensive;

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