Battery pack
The battery pack design addresses noise issues by attaching the junction box to a cross member and using a buffer member to transmit vibrations to a large-mass upper case, achieving noise reduction and improved vibration resistance.
JP2025136045APending Publication Date: 2025-09-19TOYOTA JIDOSHA KK
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Patent Information
- Application Number
- JP2024034212
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-03-06
- Publication Date
- 2025-09-19
Smart Images
Figure 2025136045000001_ABST
Abstract
To provide a battery pack capable of reducing sound generated when a relay provided in a junction box is operated.SOLUTION: A battery pack according to the present invention includes: a case configured by a lower case and an upper case opposed to each other in a first direction; a battery stack accommodated in the case and having a plurality of battery cells; a junction box accommodated in the case and having a relay; and a cross member accommodated in the case and disposed between the battery stack and the junction box in a second direction orthogonal to the first direction and fixed to the lower case. The junction box is attached to the cross member, and the junction box has a first portion that is disposed at a position overlapping the cross member in the first direction, extends in the first direction, and contacts the upper case.SELECTED DRAWING: Figure 1
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