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Power assembled battery pack of electric vehicle

A technology for combining batteries and electric vehicles, applied in battery pack parts, circuits, electrical components, etc., can solve problems such as rapid product update and waste of resources unfavorable for car companies, and achieve the effect of stable voltage and current and reducing dependence.

Inactive Publication Date: 2022-02-11
CHONGQING VOCATIONAL COLLEGE OF TRANSPORTATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in actual production, different types of power battery packs are often customized according to different models, but the batteries are the same; the same battery pack often causes waste of resources; for example, when opening a mold, each power battery pack needs to be redesigned New molds are not conducive to the rapid update of car companies' products, and also cause waste of resources

Method used

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  • Power assembled battery pack of electric vehicle
  • Power assembled battery pack of electric vehicle
  • Power assembled battery pack of electric vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] like Figure 1-7 As shown, the electric vehicle power combination battery pack 2 provided in this embodiment can add a pack of power batteries, and can be used in different vehicle models to improve application scenarios. An electric vehicle power combined battery pack 2, comprising: a power battery 1; at least one battery pack 2, the power battery 1 is detachably installed in the battery pack 2, and the battery pack 2 has a housing 21, a protruding The connecting shaft 22 and the recessed connecting hole 23; and the protruding connecting shaft 22 is provided on the housing 21 in more than one place, and the recessed connecting hole 23 is provided in the housing 21 in more than one place; wherein, the The protruding connecting shaft 22 is detachably and fixedly installed in the concave connecting hole 23; the concave connecting hole 23 has a fixed electrode 231; the fixed electrode 231 is electrically connected to the power battery 1; and the movable electrical connecto...

Embodiment 2

[0035] like Figure 1-7 As shown, in this embodiment, in order to install the power battery 1 in the battery pack 2 for further convenience, the housing 21 also has a battery storage box 211, and the power battery 1 is detachably installed in the battery storage box 211 in. In practical application, the battery storage box 211 ensures the effective fixation of the power battery 1 and reduces the phenomenon of loosening during use. Of course, it also includes a protective cover, which can be detachably installed on the battery storage box 211 to protect the power battery 1 and prevent it from popping up during use.

[0036] At the same time, in order to ensure the external power supply of the battery storage box 211, one end of the battery storage box 211 is electrically connected to the fixed electrode 231, and the other end of the battery storage box 211 is electrically connected to the contact electrode 31; Specifically, after the power battery 1 is put into the battery st...

Embodiment 3

[0038] like Figure 1-7 As shown, in this embodiment, in order to realize the stability of multiple battery packs 2 during the connection process, the diameter of the protruding connection shaft 22 is the same as that of the concave connection hole 23 . In actual use, the constraints here are limited, and its design also effectively refers to Lego bricks, so that in the actual splicing and assembly process, the installation process is greatly reduced, and there is no need to add other accessories. Of course, in order to further ensure stability, after the combination of multiple battery packs 2 is completed, a fixed housing 100 is installed outside the assembled battery pack 2, which is made of industrial plastic and has low production cost.

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Abstract

The invention belongs to the technical field of new energy batteries, and provides a power assembled battery pack of an electric vehicle. The power assembled battery pack comprises power batteries, at least one battery pack and a movable electric connecting piece, wherein the power batteries are detachably mounted in the battery pack, and the battery pack is provided with a shell, a convex connecting shaft and a concave connecting hole; the convex connecting shaft is detachably and fixedly mounted in the concave connecting hole; the concave connecting hole is provided with a fixed electrode; the fixed electrode is electrically connected with the power battery; the movable electric connecting piece is movably arranged in the shell; the movable electric connecting piece comprises an abutting electrode and a rotary lifting seat; and the abutting electrode is electrically connected with the power battery and movably abuts against the fixed electrode. In conclusion, the device is reasonable in design and stable in structure, the assembled battery packs in various forms can be spliced by adopting a splicing combination mode of the Lego toy, the requirements of different vehicle types on different battery pack combinations are met, the cost is saved, and the mounting process is reduced; and the device is suitable for industrial popularization.

Description

technical field [0001] The invention relates to the technical field of new energy batteries, in particular to an electric vehicle power combined battery pack. Background technique [0002] The power battery is the power source that provides the power source for the tool, and mostly refers to the battery that provides power for electric vehicles, electric trains, electric bicycles, and golf carts. It is mainly different from the starter battery used to start the car engine. Valve-port sealed lead-acid batteries, open tubular lead-acid batteries and lithium iron phosphate batteries are mostly used. [0003] The power battery pack is composed of multiple battery packs connected in series, and the batteries in each battery pack are connected in parallel. [0004] Different configurations of the same model require different voltages and currents. Therefore, in actual production, different types of power battery packs are often customized according to different models, but the ...

Claims

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Application Information

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IPC IPC(8): H01M50/269H01M50/244H01M50/249H01M50/296H01M50/204
CPCH01M50/269H01M50/244H01M50/249H01M50/296H01M50/204Y02E60/10
Inventor 刘阳勇杨宗平
Owner CHONGQING VOCATIONAL COLLEGE OF TRANSPORTATION
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