CN112421166A

CN112421166A - Battery module and energy storage cabinet

Info

Publication number: CN112421166A
Application number: CN202011384150.9A
Authority: CN
Inventors: 王欢; 吉纯; 邹十美; 南树功
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-02-26

Abstract

The invention provides a battery module and an energy storage cabinet. This battery module includes the battery module, and the battery module includes base, a plurality of electric core and upper cover. Wherein, a plurality of electric cores set up on the base to have the interval of ventilating between two adjacent electric cores. The upper cover sets up the top at a plurality of electric cores, links to each other through the support column between upper cover and the base. By applying the technical scheme of the invention, the upper cover and the base are connected through the support column, the opening surface is large, air can circulate, and the ventilation interval is arranged between two adjacent electric cores, so that air flow can easily flow through each electric core, each electric core can be contacted with the external air, and the ventilation and heat dissipation performance of the battery module is improved.

Description

Battery module and energy storage cabinet

Technical Field

The invention relates to the technical field of batteries, in particular to a battery module and an energy storage cabinet.

Background

In traditional energy storage rack, generally wrap up the battery for every module is whole through the shell, though the outward appearance is pleasing to the eye, but influences the heat dissipation of electric core, reduces the operating efficiency.

Disclosure of Invention

The embodiment of the invention provides a battery module and an energy storage cabinet, and aims to solve the technical problem that the battery module in the prior art is poor in heat dissipation performance.

An embodiment of the present invention provides a battery module, including a battery module, the battery module including: a base; the battery cell comprises a base, a plurality of battery cells and a plurality of air holes, wherein the plurality of battery cells are arranged on the base, and a ventilation interval is arranged between every two adjacent battery cells; the upper cover sets up at the top of a plurality of electric cores, links to each other through the support column between upper cover and the base.

In one embodiment, the battery module includes to connect the electric module, is connected with a plurality of electric cores electricity, connects to be provided with on the electric module and connects the electric mouth.

In one embodiment, the power receiving module is disposed on top of the upper cover.

In one embodiment, the support columns include corner support columns disposed at corners of the base and side support columns disposed at sides of the base.

In one embodiment, a handle is provided on the base for lifting the battery module.

In one embodiment, the battery module includes a plurality of battery modules.

The invention also provides an energy storage cabinet which comprises the battery module.

In one embodiment, the energy storage cabinet comprises: the battery box comprises a cabinet body, wherein a battery module is arranged in the cabinet body; the battery management module is arranged in the cabinet body and is electrically connected with the battery module; the power distribution system module is arranged in the cabinet body and is electrically connected with the battery management module; and the DC/DC module is arranged on the cabinet body and is electrically connected with the power distribution system module.

In one embodiment, there are a plurality of battery modules and a plurality of battery management modules, and one battery module is connected to one battery management module.

In one embodiment, two battery management modules are disposed side by side, with the two battery modules disposed on either side of the two battery management modules.

In one embodiment, a plurality of layers of partition plates are arranged in the cabinet body, and two battery management modules and two battery modules are arranged on each layer of partition plate.

In one embodiment, the power distribution system module and the DC/DC module are arranged at the bottom in the cabinet body, and the power distribution system module is sequentially connected with the plurality of battery management modules through the inverted U-shaped routing.

In one embodiment, the energy storage cabinet further comprises a DC breaker mounted within the cabinet body and electrically connected with the DC/DC module.

In the above embodiment, the upper cover and the base are connected through the support column, the opening surface is large, air can circulate, the ventilation interval is arranged between two adjacent electric cores, air flow can easily flow through each electric core, each electric core can be contacted with external air, and the ventilation and heat dissipation performance of the battery module is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of an embodiment of a battery module according to the present invention;

fig. 2 is a schematic perspective view of an energy storage cabinet according to an embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

In order to solve the technical problem of poor heat dissipation performance of the battery module in the prior art, as shown in fig. 1, the present invention provides an embodiment of a battery module, where the battery module includes a battery module, and the battery module includes a base 10, a plurality of battery cells 20, and an upper cover 30. Wherein, a plurality of battery cores 20 are arranged on the base 10, and a ventilation interval is provided between two adjacent battery cores 20. The upper cover 30 is disposed on top of the plurality of battery cells 20, and the upper cover 30 is connected to the base 10 through the support posts 11.

By applying the technical scheme of the invention, the upper cover 30 is connected with the base 10 through the support column 11, the opening surface is large, air can circulate, and air flow can easily flow through each electric core 20 because the ventilation interval is formed between every two adjacent electric cores 20, so that each electric core 20 can be contacted with the external air, and the ventilation and heat dissipation performance of the battery module is improved.

By adopting the technical scheme of the invention, the outer side of the battery module is not completely wrapped by a shell, so that the ventilation and heat dissipation of the battery module are facilitated, the circulation of air among the battery cores 20 is facilitated by combining the existing heat dissipation systems such as a fan and the like, and the over-high temperature rise is avoided.

As shown in fig. 1, in the technical solution of this embodiment, the battery module includes an electrical connection module 40, the electrical connection module 40 is electrically connected to the plurality of battery cells 20, and an electrical connection port is disposed on the electrical connection module 40. Through connecing electric module 40 on the one hand can carry out the management and control of charge-discharge to electric core 20, on the other hand also can detect the temperature isoparametric performance of electric core 20. Preferably, in the solution of the present embodiment, the electrical connection module 40 is disposed on the top of the upper cover 30. As another alternative, the power receiving module 40 may be disposed at the bottom of the upper cover 30.

As shown in fig. 1, in the solution of the present embodiment, the supporting columns 11 include corner supporting columns 111 and side supporting columns 112, the corner supporting columns 111 are disposed at the corners of the base 10, and the side supporting columns 112 are disposed at the sides of the base 10. The base 10 and the upper cover 30 can be effectively connected to each other through the corner support columns 111, and the side support columns 112 can serve to reinforce the connection between the base 10 and the upper cover 30.

More preferably, in the solution of the present embodiment, the base 10 is provided with a handle 12. When the battery module needs to be carried, the battery module can be lifted through the handle 12, and the carrying and the transportation of the battery module are more convenient.

As shown in fig. 1, in the technical solution of the present embodiment, one battery module includes two battery modules. As other alternative embodiments, one battery module may include more battery modules.

As shown in fig. 2, the invention further provides an energy storage cabinet, which includes the above battery module. By adopting the battery module, ventilation and heat dissipation of the energy storage cabinet are facilitated.

In the solution of the present embodiment, the energy storage cabinet includes a cabinet 50, a battery management module 60, a power distribution system module 70, and a DC/DC module 80. A battery module is arranged in the cabinet 50, a battery management module 60 is arranged in the cabinet 50, and the battery management module 60 is electrically connected with the battery module. A power distribution system module 70 and a DC/DC module 80 are also mounted within the cabinet 50, the power distribution system module 70 being electrically connected to the battery management module 60, the DC/DC module 80 being electrically connected to the power distribution system module 70. When in use, the battery management module 60 is used for managing the battery module and collecting data such as voltage and temperature of the battery module. The power distribution system module 70 can uniformly manage the power distribution of the energy storage cabinet, and the voltage and the current of the direct current can be converted through the DC/DC module 80.

Optionally, in the technical solution of this embodiment, there are a plurality of battery modules, and also a plurality of battery management modules 60, and one battery module is correspondingly connected to one battery management module 60. More preferably, the two battery management modules 60 are disposed side by side, and the two battery modules are disposed at both sides of the two battery management modules 60, respectively. By the arrangement mode, the space utilization rate of the energy storage cabinet can be improved, the area use condition of the layer where the battery management module 60 and the battery module are located is effectively utilized, and the space in the vertical direction is saved. In addition, the layout structure described above also provides convenience for wiring, and when wiring, it is only necessary to wire from the middle, and two battery management modules 60 can be connected to the power distribution system module 70 at the same time.

Optionally, two battery management modules 60 are connected side-by-side.

As shown in fig. 2, in the solution of the present embodiment, a plurality of layers of partition plates 51 are disposed in the cabinet 50, and two battery management modules 60 and two battery modules are disposed on each layer of partition plate 51. More preferably, the power distribution system module 70 and the DC/DC module 80 are disposed at the bottom of the cabinet 50, and the power distribution system module 70 is connected to the plurality of battery management modules 60 in sequence through an inverted U-shaped wire. During wiring, starting from the power distribution system module 70, the battery management module 60 on the lower left is sequentially wired to the battery management module 60 on the upper left, then the battery management module 60 on the upper right is sequentially wired to the battery management module 60 on the lower right, and finally the battery management module returns to the power distribution system module 70. By adopting the structure, the wiring path can be optimized, and the wiring harness material is saved.

Optionally, in the technical scheme of this embodiment, the energy storage cabinet further includes a DC circuit breaker 90, the DC circuit breaker 90 is installed in the cabinet body 50, and the DC circuit breaker 90 is electrically connected to the DC/DC module 80, so that the energy storage cabinet can be protected from power failure by the DC circuit breaker 90.

Optionally, the energy storage cabinet provided by the invention can be formed by welding metal plates.

It should be noted that the energy storage cabinet in the present invention may also be other types or sizes of energy storage cabinets, and more battery management modules 60 and battery modules may be disposed on each layer of partition 51.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and variations of the embodiment of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery module, comprising a battery module, the battery module comprising:

a base (10);

a plurality of battery cells (20) arranged on the base (10), and a ventilation interval is arranged between every two adjacent battery cells (20);

the upper cover (30) is arranged at the tops of the plurality of battery cores (20), and the upper cover (30) is connected with the base (10) through a supporting column (11).

2. The battery module according to claim 1, wherein the battery module comprises a power connection module (40) electrically connected to the plurality of battery cells (20), and the power connection module (40) is provided with a power connection port.

3. The battery module according to claim 2, wherein the electrical connection module (40) is disposed on top of the upper cover (30).

4. The battery module according to claim 1, wherein the support columns (11) include corner support columns (111) and side support columns (112), the corner support columns (111) being disposed at corners of the base (10), the side support columns (112) being disposed at sides of the base (10).

5. The battery module according to claim 1, wherein a handle (12) is provided on the base (10), and the handle (12) is used to lift the battery module.

6. The battery module according to any one of claims 1 to 5, wherein the battery module comprises a plurality of battery modules.

7. An energy storage cabinet comprising a battery module, wherein the battery module is the battery module of any one of claims 1 to 6.

8. The energy storage cabinet of claim 7, comprising:

a cabinet body (50), wherein the battery module is arranged in the cabinet body (50);

the battery management module (60) is installed in the cabinet body (50), and the battery management module (60) is electrically connected with the battery module;

a power distribution system module (70) mounted within the cabinet (50) and electrically connected to the battery management module (60);

a DC/DC module (80) mounted on the cabinet (50) electrically connected to the power distribution system module (70).

9. The energy storage cabinet of claim 8, wherein there are a plurality of battery modules and a plurality of battery management modules (60), and one battery module is connected to one battery management module (60).

10. The energy storage cabinet of claim 9, wherein two of the battery management modules (60) are arranged side by side, and two of the battery modules are respectively arranged on both sides of the two battery management modules (60).

11. The energy storage cabinet of claim 10, wherein a plurality of layers of partitions (51) are disposed within the cabinet body (50), and two battery management modules (60) and two battery modules are disposed on each layer of partitions (51).

12. The energy storage cabinet of claim 11, wherein the power distribution system module (70) and the DC/DC module (80) are disposed at a bottom within the cabinet (50), the power distribution system module (70) sequentially connecting the plurality of battery management modules (60) via an inverted U-shaped trace.

13. The energy storage cabinet of claim 8, further comprising a direct current circuit breaker (90), wherein the direct current circuit breaker (90) is mounted within the cabinet (50), and wherein the direct current circuit breaker (90) is electrically connected with the DC/DC module (80).