Battery module charging method and device for vehicle-mounted rechargeable energy storage system
A battery module and energy storage system technology, which is applied in the automotive field, can solve the problems of not considering the influence of ambient temperature, the influence of the ambient temperature of the battery module, and the service life of the battery module, so as to achieve the effect of ensuring the service life
Active Publication Date: 2019-11-01
CH AUTO TECH CORP CO LTD
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Problems solved by technology
Depend on figure 1 It can be seen that in the prior art, as long as the internal temperature of the battery module is between the low temperature threshold A and the high temperature threshold B, the battery module can be charged at full power without considering the influence of the ambient temperature
[0005] However, the battery module is also affected by the ambient temperature in actual use
Under extreme ambient temperature, if the charging capacity of the battery module is not limited in advance, it is likely to affect the service life of the battery module
Method used
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[0033] In order to have a clearer understanding of the technical features, purposes and effects of the invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals represent the same parts.
[0034] For the sake of brevity and intuition in description, the solution of the present invention is described below by describing several representative implementation manners. Numerous details in the embodiments are only used to help the understanding of the solutions of the present invention. But obviously, the technical solutions of the present invention may not be limited to these details when implemented. In order to avoid unnecessarily obscuring the solution of the present invention, some embodiments are not described in detail, but only a framework is given. Hereinafter, "including" means "including but not limited to", and "according to..." means "at least accordin...
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Embodiments of the invention disclose a method and device for charging a battery module of a vehicle-mounted rechargeable energy storage system. The method comprises the following steps of detecting a battery module temperature value and an exterior environment temperature value; and when the battery module temperature value is higher than a preset low temperature threshold value of the battery module and is lower than a preset high temperature threshold value of the battery module, and the exterior environment temperature value is higher than a preset low temperature threshold value of the environment and is lower than a preset high temperature threshold value of the environment, enabling the battery module to charge at full power. Through the embodiments of the invention, the battery module temperature and the environment temperature are detected to limit the charging capability of the battery module under the extreme condition, so that the service life of the battery module is guaranteed.
Description
technical field [0001] The invention relates to the technical field of automobiles, and more specifically, to a method and device for charging a battery module of a vehicle-mounted rechargeable energy storage system. Background technique [0002] Energy shortages, oil crises and environmental pollution are intensifying, which have a huge impact on people's lives and are directly related to the sustainable development of the country's economy and society. All countries in the world are actively developing new energy technologies. As a new energy vehicle with reduced oil consumption, low pollution, and low noise, electric vehicles are considered to be an important way to solve the energy crisis and environmental degradation. Hybrid vehicles take into account the advantages of pure electric vehicles and traditional internal combustion engine vehicles at the same time. On the premise of meeting the requirements of vehicle power and mileage, it effectively improves fuel economy ...
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IPC IPC(8): H01M10/44H01M10/48H02J7/00
CPCH01M10/44H01M10/443H01M10/48H01M10/486H02J7/00Y02E60/10
Inventor 陆群张宇
Owner CH AUTO TECH CORP CO LTD