To provide a vehicular heat management system capable of sufficiently exhibiting heat radiation capacity of a radiator for cooling a battery.SOLUTION: A system 10 includes: a battery 4 for driving a vehicle that generates heat during charge/discharge; a liquid heat transport medium 14 transporting heat received from the battery 4; a heat receiving section 16 causing the heat transport medium 14 to receive heat from the battery 4 through heat exchange with the battery 4; and a radiator 20 causing the heat transport medium 14 to radiate heat through heat exchange with air 21 outside the vehicle. The heat transport medium 14 includes a liquid base material and orthosilicic ester compatible with the base material and does not include an ionic rust inhibitor. Since the system uses the heat transport medium with high electrical insulation, measures against liquid junction are unnecessary. Thus, suppression of heat receiving amount from the battery 4 to the heat transport medium 14 due to the measures against the liquid junction can be avoided. Accordingly, the heat radiation capacity of the radiator can be sufficiently exhibited for cooling the battery.SELECTED DRAWING: Figure 1
【課題】放熱器の放熱能力を電池の冷却に十分に発揮させることができる車両用熱マネジメントシステムを提供する。【解決手段】システム10は、充放電に伴い発熱する車両駆動用の電池4と、電池4から受けた熱を輸送する液状の熱輸送媒体14と、電池4との熱交換によって電池4から熱輸送媒体14へ受熱させる受熱部16と、車両の外部の空気21との熱交換によって熱輸送媒体14を放熱させる放熱器20とを備える。熱輸送媒体14は、液状の基材と、基材に相溶するオルト珪酸エステルとを含み、かつ、イオン性防錆剤を含まない。このシステムでは、電気絶縁性が高い熱輸送媒体が用いられるので、液絡の対策が不要になる。このため、液絡の対策を行うことによる、電池4から熱輸送媒体14への受熱量が抑えられることを回避できる。よって、放熱器の放熱能力を電池の冷却に十分に発揮させることができる。【選択図】図1
VEHICULAR HEAT MANAGEMENT SYSTEM
車両用熱マネジメントシステム
2020-07-09
Patent
Electronic Resource
Japanese
European Patent Office | 2020
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