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Chassis quick-changing battery box for electric automobile

A technology for electric vehicles and battery replacement, applied in battery pack parts, circuits, electrical components, etc., can solve the problem of low connection strength, and achieve the effect of ensuring its own strength and reducing the overall volume

Active Publication Date: 2014-10-22
STATE GRID CORP OF CHINA +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a chassis quick-change battery box for electric vehicles to solve the technical problem of low connection strength when the hoisting turnlock on the box body of the battery box in the prior art is directly installed on the left and right longitudinal beams

Method used

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  • Chassis quick-changing battery box for electric automobile
  • Chassis quick-changing battery box for electric automobile
  • Chassis quick-changing battery box for electric automobile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] Such as Figure 1 to Figure 8 As shown, an embodiment of a chassis quick-change battery box for an electric vehicle, the battery box in this embodiment includes a box body 2 and a box cover 1, the box body 2 and the box cover 1 form a sealed space, and the box cover of the battery box is opened After 1, the battery unit that can be stored in the battery box, the battery unit includes a battery module 3, a high-voltage component 4 located at the front end, a connector plug 5 for docking with the socket at the car body end, a battery management system 6, and a heating belt etc. After the battery box is mounted on the chassis of the vehicle, the connector plug 5 on the battery box is mated with the vehicle end socket, thereby realizing the power supply to the electric vehicle.

[0026] The cover 1 of the battery box is processed by cold-rolled sheet metal bending and local tailor welding. The left and right sides of the cover 1 are respectively provided with connecting fol...

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Abstract

The invention provides a chassis quick-changing battery box for electric automobile, which comprises a box body, the box body comprises a left side longitudinal beam and a right side longitudinal beam with a hollow beam structure, a hoisting spin lock used for cooperating with a hoisting installing hole on the automobile chassis is respectively arranged on the left longitudinal beam and the right side longitudinal beam, the hoisting spin locks are arranged on the left longitudinal beam and the right side longitudinal beam through an installation support in a cavity arranged in the corresponding longitudinal beam, and the installation support has a first connection part fixedly connected to the corresponding longitudinal beam and a second connection part fixedly connected to the corresponding hoisting spin lock. The connection strength of the hoisting spin lock on the left side longitudinal beam and the right side longitudinal beam can be effectively ensured by the installation support, self strength of the left and right side longitudinal beams can be effectively ensured, and the strength of the left and right side longitudinal beams can not be reduced, cavities at two sides longitudinal beams are effectively used, and the integral volume of the battery box is reduced.

Description

technical field [0001] The invention relates to a chassis quick-change battery box for an electric vehicle. Background technique [0002] With the rapid development of the battery industry, it has rapidly promoted the great development of the electric vehicle industry. At present, there are two main modes of energy supply for electric vehicles: charging and battery swapping. The charging mode is divided into slow charging and fast charging. The charging current of slow charging is relatively low, which will cause little damage to the battery, and the charging is more sufficient, but the charging time is longer. The charging current of fast charging is large, and the charging time is short, but the charging current is large, and the service life of the battery will be shortened. The battery replacement mode adopts the battery replacement mode. After the car enters the battery swap station, the battery on the car is removed, and the charged battery is reinstalled on the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10H01M50/204H01M50/249H01M50/258H01M50/264
CPCH01M50/20Y02E60/10
Inventor 于国鼎张向炜郝战铎李亚伦刘增强宋兵兵丁习坤杨昌富李林林
Owner STATE GRID CORP OF CHINA
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