Liquid cooling system and liquid cooling bag thereof

A liquid-cooled and consistent technology, applied in the battery system field of the new energy vehicle industry, can solve the problems of affecting the temperature uniformity of the module, increase the weight of the system, occupy a large space, etc., and achieve the effects of convenient welding, firm connection, and smooth transition.

Active Publication Date: 2017-11-07
TIANJIN ENERGIES
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  • Abstract
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Problems solved by technology

[0003] At present, the battery pack liquid cooling system mainly fixes cooling devices such as cold plates on the outside of the battery module through bolting, riveting, welding, bonding and other connection methods to control the temperature of the entire battery module. The cooling system is in contact with the entire battery module, and can only cool or heat the area where the module is in direct contact with the liquid cooling system, affecting the temperature uniformity of the entire module and making the cooling efficiency low; moreover, this assembly generally takes up a lot of space and increases System weight

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  • Liquid cooling system and liquid cooling bag thereof
  • Liquid cooling system and liquid cooling bag thereof
  • Liquid cooling system and liquid cooling bag thereof

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Embodiment Construction

[0033] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0034] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...

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Abstract

The invention provides a liquid cooling system and a liquid cooling bag thereof. The liquid cooling bag comprises two sealing membranes and an internal structural member clamped between the two sealing membranes, wherein the internal structural member comprises at least two flat parts, and a gap is reserved between opposite edge sides of the adjacent flat parts; the two sealing membranes are fixedly connected with front and back surfaces of the internal structural member respectively, so that the gap forms a flow channel allowing a refrigerant to circulate; each sealing membrane is prepared from a metal plastic composite and comprises a metal layer for heat conduction and a plastic layer used for fixed connection with the internal structural member. The liquid cooling bag and the liquid cooling system comprising the same are used for liquid cooling of a battery module, a battery cell is directly cooled or heated under the condition that space use is basically not increased, and the efficiency is high.

Description

technical field [0001] The invention belongs to the technical field of battery systems in the new energy automobile industry, and in particular relates to a liquid cooling system and a liquid cooling package thereof. Background technique [0002] With the rapid development of the new energy vehicle market, the demand for innovation in thermal management technology is becoming more and more intense. With the increase in energy, the calorific value of the battery during operation increases. Natural cooling and air cooling can no longer meet the heat dissipation requirements. In the event of an accident, once the heat cannot be exported in time, it is easy to cause thermal runaway of the battery; and because the liquid has a high specific heat capacity, it can take away a large amount of heat per unit time, and the liquid cooling solution can better meet the heat dissipation requirements of the battery module. Require. [0003] At present, the battery pack liquid cooling syste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/613H01M10/615H01M10/625H01M10/6557H01M10/6568
CPCH01M10/613H01M10/615H01M10/625H01M10/6557H01M10/6568H01M2220/20Y02E60/10
Inventor 伊炳希从长杰陈保国豆卫广赵博文于江梁宏伟王驰伟
Owner TIANJIN ENERGIES
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