Battery pack system, its control method, and management device
A control method and battery management module technology, applied in the battery pack system and its control method, and in the field of management equipment, can solve problems such as the long time spent heating the battery pack and the impact on the use of the battery pack, and achieve the goal of reducing time and increasing speed Effect
Active Publication Date: 2021-06-08
CONTEMPORARY AMPEREX RUNZHI SOFTWARE TECH LTD NINGDE CITY
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- Abstract
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Problems solved by technology
However, it takes a long time to heat the battery pack by using the battery separator heating method. For example, it takes several hours to heat the battery pack temperature from -30°C to 0°C, which affects the use of the battery pack.
Method used
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[0015] Features and exemplary embodiments of various aspects of the invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention. The present invention is by no means limited to any specific configurations and algorithms presented below, but covers any modification, substitution and improvement of elements, components and algorithms without departing from the spirit of the invention. In the drawings and the following description, well-known structures and techniques have not been shown in order to avoid unnecessarily obscuring the present invention.
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The application provides a battery pack system, its control method, and management equipment, which relate to the technical field of batteries. Battery pack system, including battery pack, battery management module, discharge circuit module, freewheeling circuit module and energy storage module; the battery pack is connected in series with the discharge circuit module, and the battery pack is connected in series with the freewheeling circuit module; the battery management module is used to monitor the battery pack When the temperature of the battery pack is lower than the first temperature threshold, an opening command is alternately sent to the discharge circuit module and the freewheeling circuit module according to the regulation frequency, so as to control the discharge circuit module and the freewheeling circuit module to be turned on alternately; the discharge circuit module is used It is opened according to the opening instruction, so that the electricity of the battery pack flows into the energy storage module; the freewheeling circuit module is used for opening according to the opening instruction, so that the electricity of the energy storage module flows into the battery pack; the energy storage module is used for storing electricity. Utilizing the technical solution of the present application can reduce the time required for heating the battery pack.
Description
technical field [0001] The invention relates to the technical field of batteries, in particular to a battery pack system, a control method thereof, and a management device. Background technique [0002] With the widespread use of new energy sources, battery packs can be used as power sources in various fields. Depending on the environment in which the battery pack is used as a power source, the performance of the battery pack will also be affected. For example, the performance of a battery pack in a low-temperature environment will be reduced to a greater extent than that at normal temperature. For example, at zero temperature, the discharge capacity of the battery pack will decrease as the temperature decreases. Under the condition of -30°C, the discharge capacity of the battery pack is basically 0, making the battery pack unusable. [0003] In order to be able to use the battery pack in a low temperature environment, it is necessary to preheat the battery pack before us...
Claims
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IPC IPC(8): H01M10/42H01M10/44H01M10/48
CPCH01M10/42H01M10/425H01M10/443H01M10/486H01M2010/4271B60L1/02B60L2240/545B60L2240/549H01M10/637B60L58/27Y02T10/70Y02E60/10H01M10/46H02J7/00718H02J7/007192
Inventor 张伟但志敏侯贻真左希阳路文斌吴兴远朱涛声
Owner CONTEMPORARY AMPEREX RUNZHI SOFTWARE TECH LTD NINGDE CITY