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Battery pack

A technology for battery packs and battery units, which can be used in secondary batteries, battery pack components, battery boxes/coats, etc., and can solve problems such as leakage

Active Publication Date: 2018-01-02
MAKITA CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the battery pack as described above, when at least one of the plurality of display windows is illuminated to light the corresponding light emitting element, the light from the light emitting element may leak to the outside through the opening of the case.

Method used

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Examples

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Embodiment Construction

[0019] The battery pack according to some embodiments further includes a light guide member accommodated in the case. The light guide member includes: one or more light-transmitting members corresponding to the one or more light-emitting elements and the one or more display windows; and a light-shielding member. The one or more light-transmitting components respectively have: a light-receiving surface for incident light emitted by one of the one or more light-emitting elements; and a light-projecting surface for receiving light incident from the light-receiving surface illuminating one of the one or more display windows. A part of the light shielding member constitutes the light shielding wall.

[0020] Assuming that the light emitted by one of the one or more light-emitting elements is directly irradiated to one of the one or more display windows, the illuminated display window is bright at the center and gradually decreases toward the periphery. Lights up in a gradually di...

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PUM

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Abstract

The battery pack disclosed in the present invention comprises: a display unit having one or a plurality of display windows; an outer case having an opening; battery cells housed inside the outer case;a base board housed inside the outer case and having mounted thereon one or a plurality of light emitting elements corresponding to the one or the plurality of display windows; and a light-shieldingwall housed inside the outer case and disposed in such a manner so as to serve as a shield between the opening and the one or the plurality of light emitting elements.

Description

technical field [0001] The technology disclosed in this specification relates to a battery pack. Background technique [0002] Patent Document 1 discloses a battery pack. This battery pack includes: a display unit having a plurality of display windows; a case having an opening; a battery unit housed in the case; A plurality of light-emitting elements corresponding to each display window. [0003] Patent Document 1: Japanese Patent Laid-Open No. 2014-203702 [0004] In the battery pack as described above, when at least one of the plurality of display windows is illuminated to light the corresponding light emitting element, light from the light emitting element may leak to the outside through the opening of the case. This specification provides a technique capable of preventing light from a light emitting element from leaking to the outside through the opening of the housing. Contents of the invention [0005] This specification discloses a battery pack. The battery pac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10B25F5/00B25F5/02H01M50/107H01M50/213
CPCB25F5/02H01M10/46H01M10/482H01M10/488Y02E60/10H01M50/107H01M50/213B25F5/021
Inventor 小仓裕纪内藤晃照井彰典
Owner MAKITA CORP
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