Battery module
A battery module and battery unit technology, applied in the direction of batteries, battery pack parts, circuits, etc., can solve the problems of instability of the overall structure of the battery pack, achieve the effects of strengthening strength, improving stability, and avoiding looseness
Pending Publication Date: 2017-12-01
CONTEMPORARY AMPEREX TECH CO
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- Application Information
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Problems solved by technology
Since the fixing holes are usually set at the upper and lower ends, the stress is mainly concentrated on the upper and lower ends of the battery, which may easily cause the instability of the overall structure of the battery pack.
Method used
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Embodiment Construction
[0027] The battery module of the present invention will be described in detail below with reference to the accompanying drawings.
[0028] refer to Figure 1 to Figure 4 , according to the battery module of the present invention, comprising: a plurality of battery cells 1 arranged sequentially along the arrangement direction D; two fixing plates 2 respectively located at both ends of the arrangement direction D of the plurality of battery units 1; An assembly 3, arranged on both sides of the two fixing plates 2 in the up and down direction U and connecting the two fixing plates 2 along the arrangement direction D, so as to fix the plurality of battery cells 1 between the two fixing plates 2; And the reinforcement component 4 is located between the fastening component 3 on the upper side of the fixed plate 2 and the fastening component 3 on the lower side of the fixed plate 2 along the up-down direction U, and the two ends are respectively fixedly connected to the two fixed pla...
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The invention provides a battery module including: a plurality of battery units, which are successively arranged in an arrangement direction; two fixing plates, which are respectively located at the two ends of the arrangement direction of the battery units; a plurality of fastener assemblies, which are located on two sides in the vertical direction of the two fixing plates and connect the two fixing plates in the arrangement direction, so that the battery units are fastened between the fixing plates; and a reinforcing assembly, which is located between the fastener assembly on the upper sides of the fixing plates and the fastener assembly on the lower sides of the fixing plates in the vertical direction, wherein two ends of the reinforcing assembly are respectively connected fixedly to the fixing plates in the arrangement direction. Since the reinforcing assembly is located between the fastener assembly on the upper sides of the fixing plates and the fastener assembly on the lower sides of the fixing plates in the vertical direction, the fixing strength of the battery units between the two fixing plates is further enhanced, and stress concentration on the upper and lower sides of the fixing plates is prevented, so that the battery module is enhanced in anti-impact capability and loosening of the batter units during use can be avoided, thereby improving stability of the battery module.
Description
technical field [0001] The invention relates to the field of batteries, in particular to a battery module. Background technique [0002] With the introduction of relevant national new energy laws and regulations, the development of new energy vehicles is an important measure to alleviate the pressure on energy and the environment and promote the sustainable development of the automobile industry. New energy vehicles include pure electric vehicles, plug-in hybrid vehicles, and hybrid vehicles. Among them, pure electric vehicles are vehicles powered entirely by batteries, which have good application prospects due to their advantages of less environmental pollution and long cruising range. [0003] Pure electric vehicles require more power and the voltage needs to match the motor, so the batteries usually need to be connected in parallel to increase the energy of the battery pack without increasing the voltage of the battery pack. [0004] When two or more battery cells are c...
Claims
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IPC IPC(8): H01M2/10H01M50/20
CPCH01M2220/20H01M50/20Y02E60/10
Inventor 伍毓民陈传炼王德荣
Owner CONTEMPORARY AMPEREX TECH CO