Power battery pack temperature pre-regulation method
A technology for power battery packs and battery packs, applied in battery temperature control, battery/fuel cell control devices, secondary batteries, etc., can solve the problems of reducing the energy of the thermal management system, thermal management, and safety. To achieve the effect of reducing the rate of temperature rise, ensuring safety, and slowing down the rate of temperature rise
Active Publication Date: 2022-02-25
CHINA UNIV OF MINING & TECH +1
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Problems solved by technology
The invention is simple in structure, easy to operate and can provide more comprehensive protection to prolong the service life of the battery pack and ensure the safety of people and vehicles, so as to solve the insufficient comprehensiveness and sensitivity of the thermal management and safety of the electric vehicle power battery pack in the prior art technical problems and reduces the energy required by the thermal management system
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[0053] The specific embodiments of the present invention will be briefly described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other implementations obtained by those skilled in the art without creative work Examples, all belong to the protection scope of the present invention.
[0054] Figure 1-Figure 5 The preferred embodiment of the present invention is shown, and it is analyzed in detail from different angles.
[0055] like figure 1 , 2 The power battery pack temperature pre-regulation system includes a battery pack 2 , a thermal management system 4 , an automobile electrical load 3 and a control system 1 . The power battery pack 2 supplies power for the control system 1 , the vehicle electrical load 3 , and the thermal management system 4 ; the control system 1 controls the working state of t...
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The invention discloses a power battery pack temperature pre-regulation system and method and a thermal management system control method, which relate to the technical field of power batteries. The temperature pre-regulation system includes a battery pack, a thermal management system, a vehicle electrical load, and a control system. The control system includes a controller, an acquisition module, and an instruction module; the acquisition module collects battery pack parameter information, which matches the preset parameter values in the controller After the comparison, the vehicle electrical load and thermal management system are controlled through the command module to realize the pre-regulation of the battery pack temperature. The invention can make the battery pack work in a wide temperature range, and can respond in time to various problems of the battery pack, especially when the discharge current is large and the battery temperature rise lags, the size of the cooling liquid flow can be pre-adjusted. Avoid the uncontrollable situation of the battery; at the same time, the controller has the function of continuous learning and optimization of control parameters, and can continuously adjust according to the driving habits of the driver and the aging of the battery.
Description
technical field [0001] The invention relates to the technical field of electric vehicle power batteries, in particular to a method for pre-regulating the temperature of a power battery pack. Background technique [0002] In today's society, electric vehicles have become more and more popular means of transportation, and their market share continues to increase. [0003] However, the power battery in electric vehicles is greatly affected by temperature during the working process. Too high or too low temperature will bring battery safety and life problems: when the battery pack is kept in a low temperature environment for a long time, the battery capacity will be greatly reduced. As a result, the battery life of the electric vehicle is reduced; when the battery pack generates a lot of heat, the power battery may be overcharged and over-discharged, thereby affecting the life of the power battery, and in severe cases, thermal runaway may occur, causing the battery to spontaneous...
Claims
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IPC IPC(8): B60L58/24H01M10/625H01M10/63H01M10/633
CPCB60L58/24H01M10/625H01M10/63H01M10/633B60L2240/545Y02T10/70Y02E60/10
Inventor 饶中浩胡文霍宇涛张孝杰周寿斌姜庆海吴战宇
Owner CHINA UNIV OF MINING & TECH