The invention relates to the technical field of electric vehicles, in particular to an electric vehicle battery heating control method, device and equipment, a storage medium and a product. The method comprises the following steps: determining the state of a heating high-voltage request basic flag bit according to the state of a heating request flag bit, battery electric quantity information, the state of a remote heating key request flag bit and whole vehicle power-on and power-off state information; determining the state of a heating lower high voltage request flag bit according to the state of the heating upper high voltage request basic flag bit and the battery heating time information; determining the state of the heating upper high voltage request flag bit according to the state of the heating upper high voltage request basic flag bit and the state of the heating lower high voltage request flag bit; according to the state of the heating high-voltage request flag bit, the state of the high-voltage relay, the temperature of the water inlet of the battery and the preset expected water temperature of the battery, the state of the heating PTC enabling request target flag bit is determined, and the performance and reliability of the electric vehicle battery in the low-temperature environment are improved.
本申请涉及电动汽车技术领域,尤其涉及一种电动车电池加热控制方法、装置、设备、存储介质及产品。该方法根据加热请求标志位的状态、电池电量信息、远程加热按键请求标志位的状态以及整车上下电状态信息,确定加热上高压请求基本标志位的状态;根据加热上高压请求基本标志位的状态与电池加热时间信息,确定加热下高压请求标志位的状态;根据加热上高压请求基本标志位的状态与加热下高压请求标志位的状态,确定加热上高压请求标志位的状态;根据加热上高压请求标志位的状态、高压继电器的状态、电池进水口温度以及预设电池期望水温,确定加热PTC使能请求目标标志位的状态,提高了电动车电池在低温环境下的性能和可靠性。
Electric vehicle battery heating control method, device and equipment, storage medium and product
电动车电池加热控制方法、装置、设备、存储介质及产品
11.10.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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