Battery and thermal management device thereof, and UAV having the battery

Patent metadata

Field	Value
Publication number	US-10763557-B2
Application number	US-201715455824-A
Country	US
Kind code	B2
Filing date	Mar 10, 2017
Priority date	Nov 10, 2014
Publication date	Sep 1, 2020
Grant date	Sep 1, 2020

Abstract

A battery, a thermal management device of the battery, and an unmanned aerial vehicle having the battery are provided. The thermal management device comprises a heat conducting housing having a receiving cavity and configured to divide the receiving cavity into a plurality of cell compartments for receiving cells, and a heat conducting shelf mounted within the receiving cavity and configured to be in contact with at least one of the cells to conduct heat generated by the at least one of the cells. The heat conducting shelf is thermally connected with an inner wall of the receiving cavity and configured to conduct heat in the heat conducting shelf to the heat conducting housing.

First claim

What is claimed is:

1. A kit for a battery thermal management device, comprising:
a heat conducting housing including a first U-shaped structure that forms a receiving cavity, and a second U-shaped structure; and
a plurality of U-shaped heat conducting shelfs mounted in the receiving cavity, each of the U-shaped heat conducting shelfs including a main plate body extending parallel to a first direction and two abutting plates, wherein:
the two abutting plates extend perpendicularly from two opposite sides of the main plate body along a second direction perpendicular to the first direction to form a combined shelf together with the main plate body,
the first U-shaped structure and the second U-shaped structure are clasped and movable along the second direction to form an adjustable space for receiving and mounting the combined shelf, the first U-shaped structure includes a first bottom plate and two first side plates extending perpendicularly from two opposite ends of the first bottom plate toward a same side of the first bottom plate along the second direction,
the second U-shaped structure includes a second bottom plate and two second side plates extending perpendicularly from two opposite ends of the second bottom plate toward a same side of the second bottom plate along the second direction,
a distance between the first bottom plate and the second bottom plate in the second direction is adjustable such that the adjustable space is adjustable along the second direction,
the two first side plates of the first U-shaped structure are at least partially inserted into the second U-shaped structure,
the two first side plate of the first U-shaped structure at least partially overlap with and abut against the two second side plates of the second U-shaped structure, respectively,
the two abutting plates of each of the U-shaped heat conducting shells abut against the two first side plates of the first U-shaped structure, respectively,
the main plate body of the combined shelf divides at least a portion of the receiving cavity into a plurality of cell compartments for accommodating and supporting two cells, the main plate body is disposed between the two cells, and opposite surfaces of the main plate body contact the two cells, respectively, and
the first U-shaped structure is thermally connected with at least a portion of the combined shell to form a thermal path to conduct heat generated by the two cells to reach thermal equilibrium.

2. The kit for battery thermal management device of claim 1 , wherein a thickness of each of the first bottom plate and the two first side plates is 0 . 05 mm - 5 mm.

3. The kit for battery thermal management device of claim 1 , wherein each of the first bottom plate and the two first side plates comprises at least one of a plate body with meshes, a solid plate body, a hollow plate body, a plate body with a honeycomb- like surface, a plate body formed by splicing hollow tubes, or a plate body with a concave and convex slot-like surface.

4. The kit for battery thermal management device of claim 1 , further comprising:
an insulated heat conducting layer disposed on one of the surfaces of the main plate body for contacting one of the two cells.

5. The kit for battery thermal management device of claim 1 , further comprising:
a heat conducting layer sandwiched between one of the two abutting plates of each of the U-shaped heat conducting shelfs and a corresponding one of the two first side plates.

6. The kit for battery thermal management device of claim 5 , wherein the heat conducting layer is fixedly disposed on the one of the two abutting plates or the corresponding one of the two first side plates.

7. The kit for battery thermal management device of claim 1 , wherein a material of the first bottom plate and the two first side plates comprises at least one of aluminum, aluminum alloy, copper, copper alloy, silver, silver alloy, graphene, or carbon nanotube.

8. The kit for battery thermal management device of claim 1 , wherein a size of the main plate body is substantially equal to a corresponding size of a corresponding one of the two cells, such that the two abutting plates are in surface contact with the corresponding one of the two cells.

9. An unmanned aerial vehicle (UAV) kit, comprising:
a body provided with a battery cabin; and
a battery kit for disposing within the battery cabin, the battery kit comprising:
a heat conducting housing including a first U-shaped structure that forms a receiving cavity, and a second U-shaped structure; and
a plurality of U-shaped heat conducting shelfs mounted in the receiving cavity, each of the U-shaped heat conducting shelfs including a main plate body extending parallel to a first direction and two abutting plates; and
two cells,
wherein:
the two abutting plates extend perpendicularly from two opposite sides of the main plate body along a second direction perpendicular to the first direction to form a combined shelf together with the main plate body,
the first U-shaped structure and the second U-shaped structure are clasped and movable along the second direction to form an adjustable space for receiving and mounting the combined shelf,
the first U-shaped structure includes a first bottom plate and two first side plates extending perpendicularly from two opposite ends of the first bottom plate toward a same side of the first bottom plate along the second direction,
the second U-shaped structure includes a second bottom plate and two second side plates extending perpendicularly from two opposite ends of the second bottom plate toward a same side of the second bottom plate along the second direction,
a distance between the first bottom plate and the second bottom plate in the second direction is adjustable such that the adjustable space is adjustable along the second direction,
the two first side plates of the first U-shaped structure are at least partially inserted into the second U-shaped structure,
the two first side plate of the first U-shaped structure at least partially overlap with and abut against the two second side plates of the second U-shaped structure, respectively,
the two abutting plates of each of the U-shaped heat conducting shelfs abut against the two first side plates of the first U-shaped structure, respectively,
the main plate body of the combined shelf divides at least a portion of the receiving cavity into a plurality of cell compartments for accommodating and supporting the two cells, the main plate body is disposed between the two cells, and opposite surfaces of the main plate body contact the two cells, respectively, and
the first U-shaped structure is thermally connected with at least a portion of the combined shelf to form a thermal path to conduct heat generated by the two cells to reach thermal equilibrium.

10. A kit for a battery thermal management device, comprising:
a heat conducting housing including a first U-shaped structure that forms a receiving cavity, and a second U-shaped structure; and
an S-shaped heat conducting shelf including an insertion element inserted in the receiving cavity, the insertion element having a folded structure of an S shape, wherein:
the first U-shaped structure and the second U-shaped structure are clasped along the direction to form an adjustable space for receiving and mounting the S-shaped heat conducting shelf, the adjustable space being adjustable along the direction,
the first U-shaped structure includes a first bottom plate and two first side plates extending perpendicularly from 1 v opposite ends of the first bottom plate toward a same side of the first bottom plate and the second U-shaped structure includes a second bottom plate and two second sid

Assignees

• Sz Dji Technology Co Ltd

Inventors

• Zhao Tao
• Wang Wentao
• Wang Lei
• Zhan Juncheng
• Liu Yuancai

Classifications

• H01M10/655 Primary

  Solid structures for heat exchange or heat conduction · CPC title

• H01M10/613 Primary

  Cooling or keeping cold · CPC title

• B64U50/30

  Supply or distribution of electrical power · CPC title

• H01M2220/20

  Batteries in motive systems, e.g. vehicle, ship, plane · CPC title

• H01M10/6555

  arranged between the cells · CPC title