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Protective cover for a battery assembly

A technology for protective covers and battery packs, applied to battery pack parts, circuits, electrical components, etc., can solve problems such as difficulty in improving productivity and short-circuiting of bus bars, and achieve the effects of easy connection operations, preventing short-circuiting of bus bars, and improving productivity

Inactive Publication Date: 2006-07-26
NISSAN MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, there are a plurality of bus bars, and since the connection operation including the connection operation and the insulation operation is repeated, the connected bus bars may be short-circuited during the operation, and careful work is required.
For this reason, there are problems in workability and it is difficult to increase productivity

Method used

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  • Protective cover for a battery assembly
  • Protective cover for a battery assembly
  • Protective cover for a battery assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0042] The battery pack according to Embodiment 1 is an in-vehicle battery mounted on a vehicle such as an automobile or a train, and has twelve battery units (batteries) 10 . Three battery packs 10 are stacked to form a battery group 30 , and the battery pack has four battery groups 30 . The battery groups 30 are arranged in parallel. The number of battery modules 10 constituting the battery pack and the structure and connection structure of the battery group 30 are not particularly limited, and combinations can be appropriately selected according to the required performance of the battery pack.

[0043] On the uppermost battery module 10 of the battery group 30 , the constraining plate 45 is placed. The battery pack 30 is sandwiched and fixed between the restraint plate 45 and the bottom case 40 of the battery pack case.

[0044] On the same side surface of the battery pack 10, a U-shaped cut-out hole is arranged to expose the output terminals (positive and negative electr...

Embodiment approach 2

[0084] Embodiment 2 differs generally from Embodiment 1 in that the space (dead space) occupied by the side panels and the protective cover is reduced.

[0085] Specifically, the fixing structure of Embodiment 2 includes a first fixing mechanism and a second fixing mechanism for changing the gap between the protective cover and the side plate before and after the connection of the bus bar is completed. The gap when fixed by the second fixing mechanism is smaller than the gap when fixed by the first fixing mechanism. Therefore, the battery pack case can be miniaturized. In addition, members having the same functions as in the first embodiment 1 are assigned similar reference numerals, and descriptions thereof are omitted to avoid duplication.

[0086] The boot 180 has protrusions 188, 198 protruding from a generally planar base. The protrusion 188 has a top surface 187 on which the recesses 186 and 189 are arranged. The protrusion 198 has a top surface 197 on which the reces...

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Abstract

The invention provides a battery with good production rate and a battery safety cover produced with good production rate. The battery of the utility model comprises a plurality of cells (10), omnibus bars (50) used for connecting adjacent cells (10), electric insulating side plates (60), connecting components (92) used for connecting the omnibus bars (50) to output terminals (12) arranged beside the cells, and an electric insulating safety cover (80). The electric insulating safety cover (80) is covered on the side plates (60) and provided with openings (82) which are freely opened and closed and used for the connecting components (92) to pass through. When the omnibus bars (50) maintained on the side plates (60) are connected to the output terminals (12) arranged beside the cells (10) by the all-through connecting components (92), the openings are closed.

Description

technical field [0001] The invention relates to a battery pack and a protective cover. Background technique [0002] For example, a battery pack mounted on a vehicle such as an automobile or a train has a plurality of cells. The batteries are connected in series using bus bars, and can output high voltage. The bus bar is a metal conductor, held on an electrically insulating side plate (end plate), and connected to an output terminal arranged on the side of the battery (for example, refer to Japanese Patent Application Laid-Open No. 2001-345082). [0003] However, there are a plurality of bus bars, and since connection operations including connection and insulation operations are repeated, the connected bus bars may be short-circuited during the work, and careful work is required. For this reason, there is a problem in workability, and it is difficult to improve productivity. Contents of the invention [0004] The present invention has been made to solve the problems in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/00H01M50/507H01M50/59
CPCY02E60/12Y02E60/10
Inventor 桥田修小久保毅之
Owner NISSAN MOTOR CO LTD