Battery rapid heating method, device, equipment and storage medium
A battery and fast technology, applied in battery/fuel cell control devices, secondary batteries, circuits, etc., can solve the problem of slow battery temperature rise
Active Publication Date: 2021-06-08
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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Problems solved by technology
[0005] The main purpose of the present invention is to provide a battery rapid heating method, device, equipment and storage medium, aiming to solve the technical problem of the low temperature environment vehicle battery heating speed in the prior art
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[0042] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0043] refer to figure 1 , figure 1 It is a schematic structural diagram of a battery rapid heating device in the hardware operating environment involved in the solution of the embodiment of the present invention.
[0044] Such as figure 1 As shown, the electronic device may include: a processor 1001 , such as a central processing unit (Central Processing Unit, CPU), a communication bus 1002 , a user interface 1003 , a network interface 1004 , and a memory 1005 . Wherein, the communication bus 1002 is used to realize connection and communication between these components. The user interface 1003 may include a display screen (Display), an input unit such as a keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface and a wireless interface. The network interface 1004 may ...
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Abstract
The invention discloses a battery rapid heating method, device, equipment and storage medium. The method includes: when the vehicle is detected to be powered on, acquiring the temperature value of the vehicle battery and the discharge power value corresponding to the temperature value; When the temperature value is less than or equal to the preset temperature value, and the discharge power value is less than or equal to the preset discharge power value, the current driving mode of the vehicle is set to the hybrid system limited mode, and the current power of the vehicle battery is obtained; When the current electric quantity is lower than the first preset electric quantity, the state of the vehicle battery is set as the charging state, and the generated power value of the hybrid electric motor is obtained; The vehicle battery is charged, and the present invention charges the battery according to the maximum power in a low temperature environment, so as to realize rapid heating of the battery in a low temperature environment.
Description
technical field [0001] The invention relates to the technical field of hybrid electric vehicles, in particular to a method, device, equipment and storage medium for rapidly heating up a battery. Background technique [0002] At present, 48V hybrid electric vehicles mainly use lithium batteries. Since the 48V hybrid electric system mainly needs to consider the cost performance, the battery module thermal management scheme adopted by the high-voltage hybrid electric vehicle battery pack cannot be adopted due to cost considerations, and only passive heat exchange can be used for cooling. with warming up. The disadvantage of lithium batteries is that the charge and discharge power attenuates significantly at low temperatures. At -20°C, the charge power of the battery is only equivalent to 5% of that at 25°C, and the discharge power is only equivalent to 16%. The passive heat exchange method of 48V lithium batteries directly affects Fuel saving rate and performance of 48V hybrid...
Claims
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IPC IPC(8): H01M10/615H01M10/625H01M10/633H01M10/635H01M10/637B60L58/27
CPCB60L58/27H01M10/615H01M10/625H01M10/633H01M10/635H01M10/637Y02E60/10Y02T10/70
Inventor 胡俊勇代永刚曹慧颖王先瑞刘景阳王光远郎帅李杰
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD