A dual water-cooled power battery system based on thermally conductive silica gel and its control method
A thermal conductive silica gel, power battery technology, applied in secondary batteries, circuits, electrical components, etc., can solve the problems of low heat dissipation efficiency, inability to automate monitoring, uneven heat distribution, etc., to achieve high heat dissipation efficiency, real-time monitoring, heat balanced effect
Inactive Publication Date: 2018-11-09
JIANGSU UNIV +1
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Problems solved by technology
[0004] Aiming at the deficiencies of the above-mentioned prior art, the problems solved by the present invention are: when the existing power battery module is working, the heat distribution is uneven, the heat dissipation efficiency is low, and automatic monitoring is not possible.
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[0029] The content of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0030] Such as figure 1 and 5 As shown, a dual water-cooled power battery system based on thermal silica gel, including multiple modules and cooling systems. In this embodiment, four modules are selected for connection and assembly, namely module one 26 , module two 27 , module three 28 , and module four 29 . The module includes a battery pack 51 and an installation box for installing the battery pack 51 . The installation box is made of box body 2 and box cover 1, and box cover 1 can be fixed on the box body 2 by bolt 9. Such as figure 2 and 3 As shown, the battery pack 51 has a rectangular structure composed of a plurality of battery cells 11 bonded and fixed through thermally conductive silica gel, specifically: a plurality of battery cells 11 are bonded through an intermediate layer of thermally conductive silica gel 12, that is, ever...
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The invention relates to a dual-water-cooling power battery system based on heat conduction silica gel and a control method thereof. The dual-water-cooling power battery system based on heat conduction silica gel comprises a plurality of modules and a cooling system. When single batteries are too many, and the power battery module is in a work state, the external discharging is performed; the temperature of the single batteries positioned in the middle position of the module is generally too high. Compared with the existing module structure mode, the dual-water-cooling power battery system has the advantages that the heat conduction silica gel is coated between the single batteries; the flame-resistant insulation safety guarantee is realized; the heat transfer efficiency is higher; the integral heat balance is better; when the power battery works at a high load, the heat conduction silica gel and a water cooling plate are used, so that the temperature is relatively low. Compared with the existing power battery module, the dual-water-cooling power battery system has the advantages that the service life of the battery is prolonged; the work stability of the power battery module is ensured.
Description
technical field [0001] The invention relates to the field of new energy vehicles, in particular to a heat dissipation and control method for a power battery system. Background technique [0002] New energy electric vehicles refer to vehicles powered by on-board power supplies and driven by motors. Since new energy electric vehicles are powered by electricity and have little impact on the environment, their prospects are widely optimistic, and they also meet the requirements of new energy strategies. However, as a new research direction of new energy vehicles, there are many technical difficulties that need to be overcome, not only in terms of structure, but also in the management of electronic, electrical and software systems. In addition, there are many technical difficulties, especially in the key part of new energy vehicles - the battery. Because new energy electric vehicles are powered by electricity, the performance of batteries and battery management systems directly...
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IPC IPC(8): H01M10/613H01M10/625H01M10/635H01M10/653H01M10/6568H01M10/48
CPCH01M10/486H01M10/613H01M10/625H01M10/635H01M10/653H01M10/6568Y02E60/10
Inventor 徐晓明赵经纬
Owner JIANGSU UNIV