A device for detecting the compression force of a power battery module laser welding jig

Abstract

The invention relates to a pressing force detection device for a laser welding clamp for a power battery module. The pressing force detection device comprises terminal equipment, a collection and conversion device, multiple pressure sensing components and a detection tool, wherein the detection tool is adaptively connected into a clamp in a pressing manner; the multiple pressure sensing components are arranged on the detection tool, further, are connected with multiple spring sites in the clamp in one-to-one correspondence and pressing manners, and detect pressure signals of the corresponding spring sites; the collection and conversion device is electrically connected with the multiple pressure sensing components and the terminal equipment respectively, and is used for collecting the pressure signals and sending same to the terminal equipment; the terminal equipment is used for receiving and displaying the pressure signals. The detection tool of the pressing force detection device can be adaptively connected into the clamp in the pressing manner; the height of the detection tool is the same with the total height of a battery core and a bus bar; through connecting multiple pressure sensor components with the multiple spring sites in the clamp in the one-to-one correspondence and pressing manners, the pressure value of each spring site in the clamp can be detected; the pressing force of the laser welding clamp can be accurately detected; the measurement time is short; the measurement is precise; an observation result is intuitional and explicit.

Description

technical field [0001] The invention relates to the technical field of detection of compression force of power battery module clamps, in particular to a detection device for compression force of power battery module laser welding clamps. Background technique [0002] When the power battery module is welding the busbar, it is necessary to use a clamp to press the busbar on the battery cell. In order to avoid false welding during welding, it is necessary to test the clamping force of the clamp regularly, and the clamping force cannot meet the requirements. Replace the spring at the compression point. The traditional measurement method is to use a tensile machine to measure the fixed distance of each pressing point of the fixture cover. Since there are 36 pressing points on the fixture cover, the tensile machine can only measure one point at a time, so the measurement time is longer. Contents of the invention [0003] The technical problem to be solved by the present invent...

AI Technical Summary

Problems solved by technology

Since there are 36 compression points on the fixture cover, the tensile machine can only measure one point at a time, so the measurement time is longer

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