A constant temperature control system for lithium battery performance testing

Abstract

The invention discloses a constant temperature control system for lithium battery performance testing, comprising a temperature detection module, a temperature control module, a temperature adjustment module, and a lithium battery performance testing module. The temperature detection module includes a temperature sensor, the temperature control module includes a single-chip microcomputer, the temperature regulation module includes a cooling drive power circuit and a heating drive power circuit, and the lithium battery performance test module is connected to the lithium battery and tests various performance parameters of the lithium battery. The constant temperature control system for lithium battery performance test described in the present invention has the advantages of selecting semiconductor refrigeration sheets and heating sheets to adjust the temperature of the thermostat box, which is environmentally friendly, the refrigeration sheet can work continuously, has a long life, is easy to use, and The ambient temperature of the lithium battery performance test module can be stably controlled, which can effectively avoid the influence of the external temperature on the lithium battery performance test, and improve the test accuracy of the lithium battery performance.

Description

technical field [0001] The invention relates to the technical field of lithium battery performance testing, in particular to a constant temperature control system for lithium battery performance testing. Background technique [0002] Energy saving and environmental protection is an important theme of the development of the world today, and countries all over the world are scrambling to develop various energy saving and environmental protection products. As a portable power source, lithium batteries are widely used in many fields such as mobile phones, notebook computers, and electric vehicles because of their low self-discharge rate, high energy storage density, long cycle life, no pollution, and high safety performance. . The performance of lithium batteries determines the effect of energy saving and environmental protection, so the performance test of lithium batteries is very important. [0003] At present, the existing battery performance test device has a simple struc...

AI Technical Summary

Problems solved by technology

[0003] At present, the existing battery performance testing device has a simple structure, which makes it difficult to guarantee the test accuracy. In the process of testing the battery performance, the battery is directly exposed to the external environment, and the ambient temperature seriously affects the performance test accuracy of the battery itself.

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