The invention discloses a new energy vehicle power battery thermal management system in the technical field of new energy vehicles, which comprises a power battery system and a management monitoring system; a radiator is arranged on one side of a power battery, the radiator is connected with an expansion water tank through a pipeline, and a main control module is electrically connected with a battery pack management module; the management monitoring system is electrically and bidirectionally connected with the power battery; the temperature of the battery pack is monitored, the temperature of the battery pack is compared with the preset temperature value, if the temperature is lower than or exceeds the preset temperature value, the environment temperature of the power battery is monitored in real time, heat preservation is conducted on the power battery to a certain degree in combination with the low-voltage battery, and the service life of the power battery is effectively prolonged; the actual discharge power of the power battery is limited below the maximum allowable discharge power of the power battery by controlling the actual power output of the motor in real time, so that the generation of the over-limit power of the power battery is controlled, and the safety and reliability of the power battery are improved.
本发明公开了新能源车技术领域的一种新能源车动力电池热管理系统,包括,动力电池系统,所述动力电池一侧设有散热器,所述散热器通过管路与膨胀水箱连接,所述主控模块与电池组管理模块电性连接;管理监控系统,所述管理监控系统与动力电池电性双向连接;本发明实施监控电池组温度,并将电池组温度与预设温度值对比,若发生低于或超过预设温度值时,对动力电池的环境温度进行实时监测,并结合低压电池对动力电池进行一定程度的保温,有效的延长了动力电池的使用寿命,通过实时控制电机的实际功率输出使动力电池的实际放电功率限制在动力电池的最大允许放电功率之下,从而控制动力电池超限功率的产生,进而提高了动力电池的安全性及可靠性。
New energy vehicle power battery thermal management system
一种新能源车动力电池热管理系统
01.06.2021
Patent
Elektronische Ressource
Chinesisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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