Onboard battery for vehicle

Patent metadata

Field	Value
Publication number	US-9873456-B2
Application number	US-201615280570-A
Country	US
Kind code	B2
Filing date	Sep 29, 2016
Priority date	Sep 30, 2015
Publication date	Jan 23, 2018
Grant date	Jan 23, 2018

Abstract

An onboard battery for a vehicle, the vehicle having a crushable area in which a functional component with a predetermined function is disposed, the crushable area being formed between a pair of rear side frames located apart from each other in a transversal direction, includes a housing case disposed in front of the crushable area, a holding frame that is fixed to a vehicle body and includes a frame-shaped part including a pair of first portions apart from each other in a longitudinal direction and a pair of second portions apart from each other in the transversal direction, and a battery module including a battery cell.

First claim

The invention claimed is:

1. An onboard battery for a vehicle, the vehicle having a crushable area in which a functional component with a predetermined function is disposed, the crushable area being formed between a pair of rear side frames located apart from each other in a transversal direction, the onboard battery comprising:
a housing case configured to be disposed in a front of the crushable area in a manner that the functional component is disposed behind the housing case in the crushable area;
a holding frame that is fixable to a vehicle body and includes a frame-shaped part including a pair of first portions apart from each other in a longitudinal direction and a pair of second portions apart from each other in the transversal direction; and
a battery module including a battery cell, wherein
the housing case is held by the holding frame, while the housing case is inserted into the frame-shaped part and at least of a part of the housing case is located below the holding frame between the pair of second portions,
the battery module is housed inside the housing case,
the functional component is located below the holding frame between the pair of second portions, and
a rear end portion of the inside of the housing case is provided with a housing part capable of housing the functional component when the functional component is moved forward by a collision.

2. The onboard battery according to claim 1 , wherein the battery module is located at or below a height of upper surfaces of the pair of rear side frames, between the pair of rear side frames.

3. The onboard battery according to claim 2 , wherein the battery module is located beside the functional component in the transversal direction.

4. The onboard battery according to claim 3 , wherein
a battery control unit and a junction box are disposed inside the housing case, and
the battery control unit and the junction box are located at or below the height of upper surfaces of the pair of rear side frames, between the pair of rear side frames.

5. The onboard battery according to claim 3 , wherein a shock-absorbing member that absorbs a shock in a collision from behind is mounted on the housing case.

6. The onboard battery according to claim 5 , wherein
the shock-absorbing member is mounted on a bottom surface part of the housing case, and
the battery module is disposed on the shock-absorbing member.

7. The onboard battery according to claim 6 , wherein
the shock-absorbing member is provided with base parts located above the bottom surface part, the base parts being located apart from each other in the transversal direction, and
the battery module is disposed to extend over the base parts.

8. The onboard battery according to claim 2 , wherein
a battery control unit and a junction box are disposed inside the housing case, and
the battery control unit and the junction box are located at or below the height of upper surfaces of the pair of rear side frames between the pair of rear side frames.

9. The onboard battery according to claim 2 , wherein a shock-absorbing member that absorbs a shock in a collision from behind is mounted on the housing case.

10. The onboard battery according to claim 9 , wherein
the shock-absorbing member is mounted on a bottom surface part of the housing case, and
the battery module is disposed on the shock-absorbing member.

11. The onboard battery according to claim 10 , wherein
the shock-absorbing member is provided with base parts located above the bottom surface part, the base parts being located apart from each other in the transversal direction, and
the battery module is disposed to extend over the base parts.

12. The onboard battery according to claim 1 , wherein the battery module is located beside the functional component in the transversal direction.

13. The onboard battery according to claim 12 , wherein
a battery control unit and a junction box are disposed inside the housing case, and
the battery control unit and the junction box are located at or below a height of upper surfaces of the pair of rear side frames, between the pair of rear side frames.

14. The onboard battery according to claim 12 , wherein a shock-absorbing member that absorbs a shock in a collision from behind is mounted on the housing case.

15. The onboard battery according to claim 14 , wherein
the shock-absorbing member is mounted on a bottom surface part of the housing case, and
the battery module is disposed on the shock-absorbing member.

16. The onboard battery according to claim 15 , wherein
the shock-absorbing member is provided with base parts located above the bottom surface part, the base parts being located apart from each other in the transversal direction, and
the battery module is disposed to extend over the base parts.

17. The onboard battery according to claim 1 , wherein
a battery control unit and a junction box are disposed inside the housing case, and
the battery control unit and the junction box are located at or below a height of upper surfaces of the pair of rear side frames, between the pair of rear side frames.

18. The onboard battery according to claim 1 , wherein a shock-absorbing member that absorbs a shock in a collision from behind is mounted on the housing case.

19. The onboard battery according to claim 18 , wherein
the shock-absorbing member is mounted on a bottom surface part of the housing case, and
the battery module is disposed on the shock-absorbing member.

20. The onboard battery according to claim 19 , wherein
the shock-absorbing member is provided with base parts located above the bottom surface part, the base parts being located apart from each other in the transversal direction, and
the battery module is disposed to extend over the base parts.

Assignees

• Fuji Heavy Ind Ltd
• Subaru Corp

Inventors

• Hara Toshiyuki

Classifications

• B62D25/2072

  Floor protection, e.g. from corrosion or scratching (floor mats B60N3/04, armour F41H7/042, insulation B60R13/08, streamlining B62D35/02) · CPC title

• B60K1/04 Primary

  of the electric storage means for propulsion · CPC title

• B60Y2306/01

  Reducing damages in case of crash, e.g. by improving battery protection · CPC title

• B62D21/155 Primary

  Sub-frames or underguards · CPC title

• B60K2001/0438

  Arrangement under the floor · CPC title