A temperature control system for a power modular battery
A temperature control system and power module technology, applied in battery temperature control, battery, secondary battery and other directions, can solve the problem of not effectively overcome the complex structure of the flow channel, achieve high energy utilization efficiency, reduce parasitic energy consumption, control good temperature effect
Inactive Publication Date: 2017-07-11
TONGJI UNIV
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Problems solved by technology
This patent combines liquid cooling with phase-change material cooling, but it has not effectively overcome the shortcomings of the complex channel structure brought about by liquid cooling, and the object of protection in this patent is the temperature control system of cylindrical electrochemical cells, and No application for patent protection for the solution of liquid cooling combined with phase change material cooling applied to prismatic batteries
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[0034] Such as figure 1 As shown, the system mainly includes the following functional modules:
[0035] A battery cell 1, a battery integrated module 3 composed of a number of battery cells 1 connected through metal connecting pieces 2, a phase change temperature control board 4 in direct contact with the battery, and a temperature control board 4 for improving the temperature between the battery and the phase change temperature control board 4 High thermal conductivity graphite sheet with heat rate, heat exchange fluid pipeline 6 used to accommodate heat exchange fluid, and battery case and fastening device used to accommodate battery integrated module 3 and temperature control components.
[0036] Such as Figure 2-3 As shown, a battery integrated module 3 composed of several square lithium iron phosphate battery cells 1 connected to the electrodes through metal connecting pieces 2 is placed in the middle position, and the side of the battery cells 1 is arranged with an enh...
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The invention relates to a temperature control system of a power modular battery. The temperature control system is used for performing temperature control on the battery by a phase-change material and a heat-transfer fluid in an electromobile and is characterized by comprising a battery box, and a battery integration module which is arranged in the battery box; the battery box comprises a bottom plate, wing plates vertically connected with two ends of the bottom plate, a fluid temperature control device connected with the bottom plate, and phase-change temperature control devices at the inner sides of the wing plates; the bottom of the battery integration module is in contact with the bottom plate; and the side surface of the battery integration module is connected with the phase-change temperature control devices. Compared with the prior art, the temperature control system is high in energy utilization efficiency, simple in structure, good in applicability and the like.
Description
technical field [0001] The invention relates to the field of power battery management systems for electric vehicles, in particular to a temperature control system for power modular batteries. Background technique [0002] Since the 1990s, as environmental pollution and non-renewable energy crisis have become worldwide problems, the automobile industry has been looking for new breakthroughs to reduce the pressure on environmental pollution and energy consumption. However, electric vehicles have received more research and attention due to their advantages such as high energy utilization efficiency and good environment. In recent years, electric vehicles have made great progress both in technology and in the market. As the power source of electric vehicles, the importance of battery packs to electric vehicles is self-evident. For pure electric vehicles, the cost of the battery accounts for about 1 / 3 of the cost of the vehicle, and the performance, life and safety of the batte...
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IPC IPC(8): H01M10/625H01M10/63H01M10/6567H01M10/613H01M10/6569
CPCH01M2220/20Y02E60/10
Inventor 许思传林春景常国峰
Owner TONGJI UNIV