CN220189789U - Battery module with cooling plate - Google Patents

Abstract

The utility model discloses a battery module with a cooling plate, which comprises: the battery comprises a cooling plate, a battery cell group, a steel belt and two end plates. The battery cell group is arranged on the cooling plate and comprises a plurality of battery cell monomers, and each battery cell monomer is connected with the cooling plate. The two end plates are respectively arranged at two ends of the battery cell group along the length direction, and the end plates are connected with the cooling plate. And fixing the cell group and the end plate by a steel belt. In the utility model, the cooling plate and the battery module are integrated and are singly integrated, so that the module can be singly replaced during maintenance, and the replacement cost is saved.

Description

Battery module with cooling plate

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery module with a cooling plate.

Background

The battery pack generally comprises a case, a cooling plate and a plurality of battery modules, wherein each battery module is installed in the case, each battery module can be bonded to form an integral structure, and the cooling plate is integrated on the case. The cooling plates and the battery modules are mutually independent, the battery modules are not flexible due to the unrelated design scheme, when a new battery pack needs to be assembled, the cooling plates are required to be arranged on the box body except for the need of arranging each battery module into the box body of the battery pack, the assembly process is complex, the time consumption is long, and the replacement cost of the battery modules is high.

In view of this, the present utility model has been made.

Disclosure of Invention

The utility model provides a battery module with a cooling plate.

The utility model adopts the following technical scheme:

a battery module having a cooling plate, comprising:

a cooling plate;

the battery cell group is arranged on the cooling plate and comprises a plurality of battery cell monomers, and each battery cell monomer is connected to the cooling plate;

the two end plates are respectively arranged at two ends of the battery cell group along the length direction, and the end plates are connected with the cooling plate;

and the steel belt is used for fixing the cell group and the end plate.

Optionally, the cooling plate comprises a main plate body and end plates arranged at two ends of the main plate body;

the main plate body is internally provided with a cooling medium channel, the end plate is provided with a connecting nozzle, and the connecting nozzle is communicated with the cooling medium channel;

the battery cell group is arranged on the main board body.

Optionally, each of the battery cell monomers is attached to the main board body on one side.

Optionally, the battery cell monomer is provided with a tab;

and one surface of the battery cell monomer, which is away from the electrode lug, is attached to the main board body.

Optionally, the main board body is long-strip-shaped;

each battery cell monomer is sequentially arranged along the length direction of the main board body.

Optionally, the end plate and the end plate are connected vertically.

Optionally, a first connecting hole is formed in the end plate;

the end plate is provided with a second connecting hole;

one end of the fastener passes through the second connecting hole and is connected with the first connecting hole.

Optionally, the battery cell monomer is adhered to the main board body through colloid.

Optionally, the edge of the cooling plate is provided with a colloid surrounding baffle.

Optionally, a separation rib is arranged on the cooling plate;

two rows of battery core monomers are arranged on the cooling plate;

the two rows of battery core monomers are respectively arranged at two sides of the separation rib.

By adopting the technical scheme, the utility model has the following beneficial effects:

in the utility model, the cooling plate and the battery module are integrated and are singly integrated, so that the module can be singly replaced during maintenance, and the replacement cost is saved.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

fig. 1 is a schematic perspective view of a battery module having a cooling plate according to an embodiment of the present utility model;

fig. 2 is an exploded view of a battery module having a cooling plate according to an embodiment of the present utility model.

In the figure, 1, a cooling plate; 11. a main board body; 12. an end plate; 13. a connecting nozzle; 14. a separation rib; 2. a cell group; 3. an end plate; 4. a steel strip.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 and 2, an embodiment of the present utility model provides a battery module having a cooling plate, including: a cooling plate 1, a cell group 2, a steel belt 4 and two end plates 3. The electric core group 2 is arranged on the cooling plate 1, the electric core group 2 comprises a plurality of electric core monomers, and each electric core monomer is connected with the cooling plate 1. The two end plates 3 are respectively arranged at two ends of the battery cell group 2 along the length direction, and the end plates 3 are connected with the cooling plate 1. The steel belt 4 fixes the cell group 2 and the end plate 3. In the embodiment of the utility model, the cooling plate and the battery module are integrated and are singly integrated, so that the module can be singly replaced during maintenance, and the replacement cost is saved.

A cooling medium channel can be arranged in the cooling plate 1, and an inlet and an outlet which are communicated with the cooling medium channel are arranged on the cooling plate 1. The cooling fluid enters the cooling channel through the inlet and exits the cooling channel through the outlet. The cooling plate 1 may be a water-cooled plate. When a plurality of battery modules are arranged in the battery pack, the cooling plates 1 of each battery module can be connected in series, and the outlet of one of the cooling plates 1 of the adjacent battery modules is connected with the inlet of the other battery module through a pipeline. The pipeline and the inlet or the outlet can be connected through a quick-change connector, so that the assembly efficiency is remarkably improved. Each electric core of the battery module can be directly connected to the water cooling plate. The electric core is in direct contact with the water cooling plate, so that the heat exchange efficiency is improved.

Referring to fig. 2, the cooling plate 1 includes a main plate body 11 and end plates 12 provided at both ends of the main plate body 11. The main plate 11 has a cooling medium channel therein, the end plate 12 has a connection nozzle 13, for example, two connection nozzles 13 may be provided, the two connection nozzles 13 have the inlet and the outlet, respectively, and the pipe may be directly connected to the connection nozzle 13. The battery cell group 2 is arranged on the main board body 11, and each battery cell monomer is attached to the main board body 11 on one side. For example, each of the battery cells may be adhered to the main board body 11 by a glue, and may exchange heat with a cooling medium (such as cooling water) flowing through the main board body 11.

The battery cell monomer is provided with a tab, and one surface of the battery cell monomer, which is away from the tab, is attached to the main board body 11. That is, the bottom surface of the battery cell is attached to the surface of the main board 11.

The main board body 11 is in a strip shape, and each battery cell unit is sequentially arranged along the length direction of the main board body 11. More battery cell monomers are conveniently distributed on the main board body 11. The battery cell group 2 may include two rows of battery cell monomers, where the two rows of battery cell monomers are respectively disposed on two sides of the main board body 11 along the width direction, and each row of battery cell monomers is sequentially disposed along the length direction of the main board body 11. The end plate 3 and the end plate 12 are vertically connected. There is no electric core monomer in the end plate 3, and the end plate 3 is directly connected with the end plate 12 without or with few cooling medium channels, so that the structural design is reasonable, and the assembly space provided by the cooling plate 1 is not wasted.

In a possible embodiment, the end plate 3 is provided with a first connecting hole and the end plate 12 is provided with a second connecting hole. One end of the fastener passes through the second connecting hole and is connected with the first connecting hole. The second connecting holes are located on the end face of the end plate 12 facing the cooling plate.

The end plate 3 and the end plate 12 are detachably connected through fasteners, so that the disassembly and assembly are convenient. The fastener may be a screw, the second connecting hole may be a through hole, the column of the screw may be connected to the first connecting hole through the through hole, and the cap of the screw is limited on the end plate 12.

The battery cell monomer is adhered to the main board body 11 through colloid, and the assembly structure is simple. The edge of the cooling plate 1 is provided with a colloid enclosure (not shown) to prevent the liquid colloid for connecting the battery cell monomer and the main plate 11 from flowing out.

The cooling plate 1 is provided with a separation rib 14, the cooling plate 1 is provided with two rows of electric core monomers, and the two rows of electric core monomers are respectively arranged on two sides of the separation rib 14. The separation ribs 14 divide the main board body 11 into two strip areas, so that two rows of battery core monomers can be conveniently assembled respectively.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.

Claims (10)

1. A battery module having a cooling plate, comprising:

a cooling plate;

the battery cell group is arranged on the cooling plate and comprises a plurality of battery cell monomers, and each battery cell monomer is connected to the cooling plate;

the two end plates are respectively arranged at two ends of the battery cell group along the length direction, and the end plates are connected with the cooling plate;

and the steel belt is used for fixing the cell group and the end plate.

2. The battery module having a cooling plate according to claim 1, wherein the cooling plate comprises a main plate body and end plates provided at both ends of the main plate body;

the main plate body is internally provided with a cooling medium channel, the end plate is provided with a connecting nozzle, and the connecting nozzle is communicated with the cooling medium channel;

the battery cell group is arranged on the main board body.

3. The battery module with the cooling plate according to claim 2, wherein each of the battery cells is attached to the main plate body on one side.

4. The battery module with cooling plate according to claim 3, wherein the battery cell has a tab;

and one surface of the battery cell monomer, which is away from the electrode lug, is attached to the main board body.

5. The battery module with the cooling plate according to claim 4, wherein the main plate body is elongated;

each battery cell monomer is sequentially arranged along the length direction of the main board body.

6. The battery module with the cooling plate according to claim 2, wherein the end plate and the end plate are vertically connected.

7. The battery module with the cooling plate according to claim 6, wherein the end plate is provided with a first connection hole;

the end plate is provided with a second connecting hole;

one end of the fastener passes through the second connecting hole and is connected with the first connecting hole.

8. The battery module with the cooling plate according to claim 2, wherein the battery cells are adhered to the main plate body by a gel.

9. The battery module with the cooling plate according to claim 8, wherein the cooling plate edge is provided with a glue dam.

10. The battery module with the cooling plate according to claim 1, wherein the cooling plate is provided with a partition rib;

two rows of battery core monomers are arranged on the cooling plate;

the two rows of battery core monomers are respectively arranged at two sides of the separation rib.