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Battery unit

一种电池单元、电池单体的技术，应用在电气元件、二次电池、电池组零部件等方向，能够解决电池单元大型化部件件数、未公开电池单体等问题，达到减少紧固部分及部件件数、防止膨胀、减少部件件数的效果

Active Publication Date: 2013-09-18
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, in the technology described in Patent Document 1, in order to maintain the positional relationship between the battery cells, there is a structure in which both end surfaces of the battery modules are connected by a plate-shaped member extending along the stacking direction of the battery cells. Measures against swelling of each battery cell due to temperature rise or aging change are not disclosed
In addition, if a structure that prevents the expansion of the battery module is applied, problems such as an increase in the size of the battery cell or an increase in the number of parts will easily arise.

Method used

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Embodiment Construction

[0062] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. figure 1 It is a left side view of the electric motorcycle 1 according to one embodiment of the present invention. in addition, figure 2 is the left side view of the frame 17, image 3 It is a perspective view of the vehicle frame 17.

[0063] The electric two-wheeled vehicle 1 is a scooter-type straddle-type electric vehicle with a low floor 21, and has a rear wheel WR supported by an axle 34 by rotating power generated by a motor M built in a swing arm 33. A structure for driving rotation.

[0064] The frame 17 of the electric motorcycle 1 includes a front fork 2 pivotally supporting the front wheel WF and a bar-shaped steering handle 9 connected to the upper part of the front fork 2 so as to be steerable and tilted rearward and upward. The head pipe 15; the main frame 16 extending rearward and downward from the head pipe 15; the left and right pair of lo...

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Abstract

A battery unit that prevents an expansion of a battery cell, and that can prevent an increase in size of the battery unit or an increase in the number of components. The battery unit includes a box-like battery case that accommodates therein a battery module having a generally rectangular solid shape and including plural sheet-like battery cells stacked flat in a vertical direction of a vehicle body. The battery unit includes: a bottomed box-like casing body that forms a part of the battery case and into which the battery module is accommodated from above the vehicle body; and a fixing plate that abuts on a top surface of the battery module. The battery module is fixed to the casing body with pressure being applied to the battery module from above the vehicle body, by fastening the fixing plate to the casing body. A plurality of battery module is configured.

Description

technical field [0001] The present invention relates to a battery unit, and more particularly to a battery unit suitable for use in an electric vehicle traveling by driving a motor with electric power from a battery. Background technique [0002] Conventionally, as a battery for supplying electric power to a motor of an electric vehicle, a battery using a battery pack in which a plurality of battery cells is assembled, that is, a so-called battery module, is known. [0003] Patent Document 1 discloses a battery unit in which the size in the vertical direction is smaller than the size in the front-rear direction and the vehicle width direction by stacking plate-shaped battery cells having a predetermined thickness along the front-rear direction of the vehicle body. The roughly rectangular parallelepiped battery module. In this battery unit, in order to cool the battery module, cooling air is passed through the gaps between the battery cells in the vehicle width direction of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10H01M10/50H01M50/209H01M50/249
CPCB60R16/04H01M10/625H01M10/6566Y02E60/10B62J43/16B62J43/20B62K2202/00B62K2204/00H01M50/249H01M50/209
Inventor 黑田一德
Owner HONDA MOTOR CO LTD
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