CN211929552U

CN211929552U - Battery case, soft packet of lithium cell and consumer

Info

Publication number: CN211929552U
Application number: CN202020207983.7U
Authority: CN
Inventors: 胡蕴成; 杨烨; 吴天文; 孙滋夏; 王睿; 王珂; 王荣贵
Original assignee: Sichuan Guochuangcheng Battery Material Co ltd
Current assignee: Sichuan Guochuangcheng Battery Material Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-11-13
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses a battery box, comprises a box bod, the box body is formed by the concatenation of honeycomb panel, the inner wall that is used for installing soft-package battery group in the box body is the material that can weld, the utility model discloses still disclose soft-package lithium cell and consumer including above-mentioned battery box, the utility model provides a battery box, soft-package lithium cell and consumer can reduce the battery box volume with in the direct welding of soft-package battery group and the battery box, light in weight, and have good shock attenuation, energy-absorbing and impact resistance.

Description

Battery case, soft packet of lithium cell and consumer

Technical Field

The utility model relates to a battery field especially relates to battery case, soft packet of lithium cell and consumer.

Background

The soft package lithium battery has the advantages of large battery capacity and small volume. The soft package lithium battery for the electric equipment with large power consumption usually comprises a battery box and a plurality of soft package battery packs, the plurality of soft package battery packs are arranged in the battery box, and the battery box is fixed on the electric equipment. The existing battery box fixes the soft package battery pack in the battery box through a connecting frame, a bolt and the like in the battery box, so that the battery box is large in size; the box body of the existing battery box is made of solid plates, so that the existing battery box is heavy and poor in impact resistance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery case, soft packet of lithium cell and consumer can reduce the battery case volume with in soft packet of battery group direct weld and the battery box, light in weight, and have good shock attenuation, energy-absorbing and shock resistance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses a battery box, comprises a box bod, the box body is formed by the concatenation of honeycomb panel, the inner wall that is used for installing soft-packaged battery group in the box body is the material that can weld.

The utility model has the advantages that: but the beading group battery lug connection is at the battery case inner wall, need not other linking bridge, can reduce the volume of battery case, and the box body is formed by the concatenation of honeycomb panel, light in weight, and has good shock attenuation, energy-absorbing and shock resistance.

Further, still include braced frame, the honeycomb panel with braced frame fixed connection, the honeycomb panel passes through braced frame concatenation forms the box body, braced frame is used for improving the intensity of box body.

The beneficial effect of adopting the further scheme is that: the box body formed by supporting and fixing the honeycomb panel through the reinforcing frame has high strength and can be used under the condition of large span.

Further, still include the lid, the box body top is uncovered, the lid with the uncovered adaptation at box body top, the lid cup joints the uncovered department at box body top, the lid seals the uncovered at box body top.

The beneficial effect of adopting the further scheme is that: the box body is sealed by the box cover, so that accidents caused by the fact that the soft-package battery pack or foreign matters, water drops and the like in the box body are touched by mistake and enter the box body can be avoided.

Further, the uncovered outer edge of box body top upwards the protrusion have be used for with the first sealing ring that the lid is connected, the lid is outer along downwards the protrusion have be used for with the second sealing ring that the box body is connected, the outer wall of first sealing ring and/or the inner wall of second sealing ring has the sealing layer, the outer wall of first sealing ring with the inner wall of second sealing ring will the sealing layer presss from both sides tightly makes the lid with box body sealing connection.

The beneficial effect of adopting the further scheme is that: the box body has good sealing performance and high safety.

Furthermore, the outer wall of the box body is provided with an anti-corrosion wear-resistant layer.

The beneficial effect of adopting the further scheme is that: the service life of the battery box is prolonged, and the battery box is reliable and safe.

Further, still include solid connecting block, solid connecting block set up in the honeycomb panel, solid connecting block with honeycomb panel fixed connection.

The beneficial effect of adopting the further scheme is that: because of the box body forms for the concatenation of honeycomb panel, other parts are connected in the position that needs the connection to the car silk, drilling, set up solid connecting block at the position that needs connect, bear by solid connecting block, be convenient for with other parts be connected and carry out other operations.

Further, the box body is made of heat conducting materials.

The beneficial effect of adopting the further scheme is that: the soft-package battery group in the box body can generate heat during working, and heat dissipation is facilitated.

Further, still include the plug connector, the plug connector is fixed set up in on the box body, the plug connector is waterproof plug connector.

The beneficial effect of adopting the further scheme is that: the plug connector is used for intercommunication box body inside laminate polymer battery group and external equipment, uses waterproof plug connector, can avoid outside water droplet to get into the inside accident that causes of box body.

The utility model discloses a soft packet of lithium cell, including foretell battery case.

The utility model has the advantages that: the soft package battery pack can be directly welded in the battery box, the size of the battery box can be reduced, the weight is light, and the soft package battery pack has good shock absorption, energy absorption and impact resistance.

The utility model discloses an electric equipment, including foretell battery case.

Drawings

FIG. 1 is an external side view of an embodiment of a battery compartment;

FIG. 2 is an external top view of an embodiment of a battery compartment;

FIG. 3 is an internal schematic view of an embodiment of a battery pack;

in the figure: 1. a box body; 2. a box cover; 3. a plug-in unit; 4. supporting a mounting pad; 5. a solid connecting block; 6. a honeycomb panel; 7. a reinforcing frame; 8. a first seal ring; 9. a second seal ring; 10. a sealing layer;

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model discloses an embodiment of battery case, including box body 1, box body 1 is the cube, and box body 1 is formed by the concatenation of honeycomb panel 6, and the inner wall that is used for installing soft-package battery group in the box body 1 is the material that can weld, and box body 1 is heat conduction material, and 1 optional metal material of box body, like the honeycomb aluminium material, soft-package battery group can weld in each side in the box body 1 that the honeycomb aluminium was made.

As a further scheme of the above embodiment, the honeycomb panel support structure further comprises a reinforcing frame 7, the reinforcing frame 7 is a cubic frame, the honeycomb panel 6 is fixed on the outer surface of the reinforcing frame 7, the honeycomb panel 6, the reinforcing frame 7 and the honeycomb panel 6 can be connected through welding, full welding is performed during welding, the welding requirement meets EN15085, the honeycomb panel 6 is spliced through the reinforcing frame 7 to form the box body 1, the reinforcing frame 7 supports the box body 1 in the formed box body 1, the reinforcing frame 7 is used for improving the strength of the box body 1, and the reinforcing frame 7 is made of 304 stainless steel, and is compact in structure and good in strength.

As the further scheme of above-mentioned embodiment, still include lid 2, 1 top of box body is uncovered, the uncovered adaptation at lid 2 and 1 top of box body, and 2 lid joints in the uncovered department at 1 top of box body, and 2 lids close the uncovered at 1 top of box body, and lid 2 can select for use the same material of box body 1, preferred honeycomb aluminium material.

As a further scheme of the above embodiment, the outer edge of the top opening of the box body 1 protrudes upward to form a first sealing ring 8 for being connected with the box cover 2, the outer edge of the box cover 2 protrudes downward to form a second sealing ring 9 for being connected with the box body 1, both the first sealing ring 8 and the second sealing ring 9 are step-shaped, the outer wall of the first sealing ring 8 and/or the inner wall of the second sealing ring 9 are provided with a sealing layer 10, the sealing layer 10 is clamped by the outer wall of the first sealing ring 8 and the inner wall of the second sealing ring 9 to enable the box cover 2 to be connected with the box body 1 in a sealing manner, and the sealing layer 10 can be a sealing.

As a further scheme of the embodiment, the outer walls of the box body 1 and the box cover 2 are provided with anti-corrosion wear-resistant layers, the anti-corrosion wear-resistant layers can be covered on the outer walls of the box body 1 and the box cover 2 in a spraying mode, and surface treatment and coating are performed according to TB/T2879 coating and coating of railway locomotive vehicles.

As the further scheme of the embodiment, the honeycomb panel box further comprises a solid connecting block 5, the solid connecting block 5 is arranged at the position, where the surface of the box body 1 needs to be threaded, drilled or connected with other equipment, the solid connecting block 5 is arranged in the honeycomb panel 6, and the solid connecting block 5 is fixedly connected with the honeycomb panel 6.

Still include plug connector 3, plug connector 3 is fixed to be set up on box body 1, and plug connector 3 is waterproof plug connector, chooses for use the plug connector 3 that has the waterproof, dustproof effect of IP 67.

The bottom of the box body 1 is also provided with a supporting and mounting pad 4 for mounting and fixing the box body 1, the supporting and mounting pad 4 lifts the box body 1, and the battery box can be arranged at the position protruding from the bottom of the electric equipment.

The used materials all accord with the structure material harmful substance limit in TB/T3139-2006 material for interior of locomotive and indoor air harmful substance limit, and the material is smokeless, nontoxic, environment-friendly and recyclable.

The utility model discloses a soft packet of lithium cell, including foretell battery case, but the beading of soft packet of battery group direct welding is in the battery case.

The utility model discloses an electric equipment, including foretell battery case, electric equipment can be electric motor car, power station etc..

Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.

Claims

1. A battery pack, comprising: including box body (1), box body (1) is formed by honeycomb panel (6) concatenation, the inner wall that is used for installing soft-package battery group in box body (1) is the material that can weld.

2. A battery pack as claimed in claim 1, wherein: still include braced frame (7), honeycomb panel (6) with braced frame (7) fixed connection, honeycomb panel (6) pass through braced frame (7) concatenation forms box body (1), braced frame (7) are used for improving the intensity of box body (1).

3. A battery pack as claimed in claim 1, wherein: still include lid (2), box body (1) top is uncovered, lid (2) with the uncovered adaptation at box body (1) top, lid (2) lid connects the uncovered department at box body (1) top, lid (2) seal the uncovered at box body (1) top.

4. A battery pack as claimed in claim 3, wherein: box body (1) top is open outward along upwards the protrusion have be used for with first sealing ring (8) that lid (2) are connected, lid (2) are outward along downward protrusion have be used for with second sealing ring (9) that box body (1) are connected, the outer wall of first sealing ring (8) and/or the inner wall of second sealing ring (9) has sealing layer (10), the outer wall of first sealing ring (8) with the inner wall of second sealing ring (9) will sealing layer (10) press from both sides tightly the messenger lid (2) with box body (1) sealing connection.

5. A battery pack as claimed in claim 1, wherein: the outer wall of the box body (1) is provided with an anti-corrosion wear-resistant layer.

6. A battery pack as claimed in claim 1, wherein: still include solid connecting block (5), solid connecting block (5) set up in honeycomb panel (6), solid connecting block (5) with honeycomb panel (6) fixed connection.

7. A battery pack as claimed in claim 1, wherein: the box body (1) is made of heat conducting materials.

8. A battery pack as claimed in claim 1, wherein: still include plug connector (3), plug connector (3) fixed set up in on box body (1), plug connector (3) are waterproof plug connector (3).

9. The utility model provides a soft packet of lithium cell which characterized in that: a battery pack comprising a battery according to any one of claims 1 to 8.

10. An electrical device, characterized in that: a battery pack comprising a battery according to any one of claims 1 to 8.