A constant temperature control system for lithium battery performance testing

A technology of constant temperature control and lithium battery, which is applied in the direction of control/regulation system, temperature control, temperature control by electric mode, etc. It can solve the problems of simple structure, affecting the test accuracy of battery performance, and difficult to guarantee the test accuracy, so as to improve the test performance. Accuracy, long life, effect of avoiding influence

CN105700587BActive Publication Date: 2018-11-20青岛中弘数字技术有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2018-11-20

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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.
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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...

Examples

Embodiment Construction

[0018] The present invention provides a constant temperature control system for lithium battery performance testing. Figures 1 to 2 The specific implementation manners of the present invention will be further described. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0019] The invention provides a constant temperature control system for lithium battery performance testing, such as figure 1 As shown, it includes a temperature detection module 1 , a temperature control module 2 , a temperature regulation module 3 , and a lithium battery performance test module 4 . The temperature detection module uses a bus-type temperature sensor, and the measured temperature signal is a digital signal, which can be directly transmitted to the single-chip microcomputer of the temperature control module for corresponding processing of the temperature signal through the bus; the temperatu...