CN215266440U

CN215266440U - Novel liquid cooling device for battery module

Info

Publication number: CN215266440U
Application number: CN202120644631.2U
Authority: CN
Inventors: 刘俊鹏
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-12-21
Anticipated expiration: 2031-03-30

Abstract

The utility model belongs to the technical field of the liquid cooling device, in particular to novel battery module liquid cooling device, include: liquid cooling subassembly and a plurality of electric core, wherein: the battery cells in the same row are sequentially arranged, and the battery cells in adjacent rows are staggered; the battery cell is embedded into the battery cell groove, and the battery cell is attached to the battery cell groove. The utility model discloses a novel battery module liquid cooling device, through improve the mode of arranging of electric core, general electric core embedding the electric core inslot that the liquid cooling subassembly set up, the inside coolant liquid passageway that sets up of liquid cooling subassembly improves electric core cooling effect, in addition, liquid cooling subassembly internal passage shape with the clearance that electric core exists is unanimous, can effectively reduce filling material's use, reduces module weight, reduces module manufacturing cost simultaneously.

Description

Novel liquid cooling device for battery module

Technical Field

The utility model relates to a liquid cooling device, in particular to novel battery module liquid cooling device.

Background

At present, the energy density of a battery power system is higher and higher, and meanwhile, the battery power market is wider and wider, so that the requirement on the temperature of a power battery is stricter and stricter, the service life of the power battery can be prolonged under the condition that the power battery works at high temperature for a long time, and meanwhile, the risk of thermal runaway exists, so that the liquid cooling device for the battery module is necessary to be pushed out.

At present stage, the mode that adopts snakelike water-cooled tube mostly is to the battery cooling, but snakelike water-cooled tube space accounts for than big, causes the space extravagant easily, and snakelike water-cooled tube only can use in the position between electric core and electric core moreover, so causes the triangle space between the electric core to need to fill with other materials, and this cost and the weight that just leads to the battery module are all high.

SUMMERY OF THE UTILITY MODEL

In view of traditional snakelike water-cooling tube exists that the occupation of land space is big and the triangle space between the electricity core needs a large amount of unnecessary material to fill, causes the technical problem that cost and weight are all high, this application provides a novel battery module liquid cooling device.

The utility model provides a novel battery module liquid cooling device, includes: liquid cooling subassembly and a plurality of electric core, wherein: the battery cells in the same row are sequentially arranged, and the battery cells in adjacent rows are staggered; the battery cell is embedded into the battery cell groove, and the battery cell is attached to the battery cell groove.

Further, the cell slots are not closely arranged, and gaps exist among the arranged cell slots.

Further, the inside hollow structure that is of liquid cooling subassembly, the inside coolant liquid that is full of liquid cooling subassembly.

Furthermore, a water outlet and a water inlet are respectively arranged on two sides of the liquid cooling assembly, and the water outlet and the water inlet are respectively arranged on two symmetrical sides.

Furthermore, a plurality of channels are arranged in the liquid cooling assembly, the electric core groove is sunken towards the interior of the liquid cooling assembly to form the channels, and ports of the channels are communicated.

Furthermore, the ports between the channels are converged into two ports, and the two ports between the channels are respectively communicated with the water outlet and the water inlet.

Further, a plurality of the channels are parallel to each other.

Further, an insulating layer is arranged on the surface of the liquid cooling assembly.

Further, the battery core and the battery core groove are fixed in a fitting position through heat conducting glue.

Further, the battery cell is a cylindrical battery cell.

Compared with the prior art, the utility model beneficial effect lie in:

the utility model provides a pair of novel battery module liquid cooling device through the mode of arranging that improves electric core, with electric core space utilization maximize, will simultaneously electric core embedding the electric core inslot that the liquid cooling subassembly set up, the inside coolant liquid passageway that sets up of liquid cooling subassembly makes electric core can be wrapped up by the coolant liquid, is of value to and improves the cooling effect, in addition, the inside passageway shape of liquid cooling subassembly with the clearance that electric core exists is unanimous, can effectively reduce the use of packing material, reduces module weight, reduces module manufacturing cost simultaneously.

Drawings

Fig. 1 is an overall structure diagram of the liquid cooling module of the present invention;

fig. 2 is a schematic view of an overall structure of the battery cell and the liquid cooling assembly according to the present invention;

fig. 3 is the internal structure diagram of the liquid cooling module of the present invention.

The reference numerals are explained below:

1: an electrical core slot; 2: a liquid cooling assembly; 3: an electric core; 4: a water outlet; 5: a water inlet; 6: a channel.

Detailed Description

The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

Example one

The embodiment of the application provides a novel battery module liquid cooling device, as shown in fig. 1-3, include: liquid cooling subassembly 2 and a plurality of electric core 3, wherein: the same row of the battery cells 3 are arranged in sequence, and the adjacent rows of the battery cells 3 are arranged in a staggered manner; the liquid cooling assembly 2 is provided with a plurality of electric core grooves 1, the electric core 3 is embedded into the electric core grooves 1, and the electric core 3 is attached to the electric core grooves 1.

The same row of the electric cores 3 are sequentially sequenced, and the adjacent rows of the electric cores 3 are staggered, so that gaps among the electric cores 3 can be effectively reduced, and the maximum space utilization rate of the electric cores 3 is realized; in addition, the liquid cooling device makes electric core 3 fully contact with liquid cooling assembly 2 through embedding electric core 3 into electric core groove 1, through the area of contact of increase electric core groove and coolant liquid to increase the cooling area of electric core 3, thereby improve the cooling efficiency of electric core 3.

Further, in a preferred embodiment of the present application, as shown in fig. 2, the core slots 1 are not closely arranged, and a gap is formed between the arranged core slots 1. The arrangement of electric core groove can reduce the triangle space clearance that exists between the electric core, traditional triangle space clearance need use other materials to fill, in the preferred embodiment that this application provided, the triangle space that electric core 3 exists can pass through the passageway 6 of liquid cooling subassembly 2 is filled, reduces the use of other materials, reaches reduce cost and weight reduction's effect.

Further, in a preferred embodiment of the present application, as shown in fig. 3, the inside of the liquid cooling module 2 is a hollow structure, and the inside of the liquid cooling module 2 is filled with cooling liquid. When the battery cell 3 generates heat, the heat generated by the battery cell 3 is transmitted into the cooling liquid through the heat-conducting glue, the air pressure of the cooling liquid is affected, and then the cooling liquid starts to flow, so that the temperature of the battery cell is reduced.

Further, in a preferred embodiment of the present application, as shown in fig. 2, a water outlet 4 and a water inlet 5 are respectively disposed on two sides of the liquid cooling module 2, and the water outlet 4 and the water inlet 5 are respectively disposed on two sides that are symmetrical to each other. The positions of the water outlet 4 and the water inlet 5 are respectively symmetrical to two sides, so that the convection heat exchange of the cooling liquid in the channel is facilitated.

Further, in a preferred embodiment of the present application, as shown in fig. 3 and fig. 2, a plurality of channels 6 are provided inside the liquid cooling assembly 2, the electric core slot 1 is recessed inside the liquid cooling assembly 2 to form the channels 6, and the channels 6 are communicated with each other. The shape of the internal channel 6 of the liquid cooling assembly 2 is consistent with the triangular space gap existing in the battery cell, so that the use of other materials can be effectively reduced, and the effects of low weight and low cost can be realized.

Further, in a preferred embodiment of the present application, as shown in fig. 2, the ports between the plurality of channels 6 are combined into two ports, and the two ports between the channels 6 are respectively communicated with the water outlet 4 and the water inlet 5, so as to facilitate the circulation of the cooling liquid.

Further, in a preferred embodiment of this application, many be parallel to each other between the passageway 6, many the arrangement of passageway 6 is complementary with electric core arrangement, just fills up the triangle space clearance that electric core 3 arranged the existence, reduces the use amount of other materials, simultaneously, still has good thermal-insulated temperature resistant effect. On this basis, can also increase the area of contact of coolant liquid and electric core 3, liquid cooling subassembly 2 still can act as the structure, reduces the use of battery module structure, reduces when the high power discharges, reduces 3 heat production of electric core, balanced 3 temperatures of electric core.

Further, in a preferred embodiment of this application, 2 surfaces of liquid cooling subassembly are provided with the insulating layer, when electric core 3 and liquid direct contact, liquid must guarantee insulating, the insulating layer can completely cut off electric core 3 and liquid direct contact, realizes insulating effect, can effectively prevent 3 short circuits of electric core.

Further, in a preferred embodiment of the present application, the battery cell and the battery cell slot are fixed at a joint position by a heat conducting adhesive. The heat-conducting glue can reduce the thermal resistance of the battery cell and the battery cell groove, has adhesion, plays a role in fixing the battery cell and the battery cell groove, and contributes to enhancing the structural strength of the battery cell module.

Further, in a preferred embodiment of the present application, the battery cell is a cylindrical battery cell.

In the description of the present invention, it is to be understood that the terms "intermediate", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on the second feature or indirectly via intermediate members. "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above description is for illustrative purposes only and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. that do not depart from the spirit and principles of the present invention should be construed as within the scope of the present invention.

Claims

1. The utility model provides a novel battery module liquid cooling device which characterized in that includes: liquid cooling subassembly and a plurality of electric core, wherein:

the battery cells in the same row are sequentially arranged, and the battery cells in adjacent rows are staggered; the liquid cooling assembly is provided with a plurality of electric core grooves, and the electric cores are embedded into the electric core grooves.

2. The liquid cooling device for battery module as claimed in claim 1, wherein the electric core slots are not closely arranged, and there is a gap between the arranged electric core slots.

3. The novel liquid cooling device for the battery module as claimed in claim 1, wherein the liquid cooling assembly is hollow, and the liquid cooling assembly is filled with cooling liquid.

4. The liquid cooling device for battery module as claimed in claim 3, wherein the liquid cooling assembly has a water outlet and a water inlet on two sides, and the water outlet and the water inlet are symmetrically disposed on two sides.

5. The novel liquid cooling device for the battery module as set forth in claim 4, wherein a plurality of channels are formed in the liquid cooling assembly, the electric core slot is recessed into the liquid cooling assembly to form the channels, and the ports of the channels are communicated with each other.

6. The liquid cooling device for battery modules as claimed in claim 5, wherein the plurality of ports between the channels are merged into two ports, and the two ports between the channels are respectively connected to the water outlet and the water inlet.

7. The liquid cooling device for battery module as claimed in claim 5, wherein the plurality of channels are parallel to each other.

8. The novel liquid cooling device for battery modules as claimed in claim 1, wherein the surface of the liquid cooling assembly is provided with an insulating layer.

9. The novel liquid cooling device for the battery module as claimed in claim 1, wherein the battery core and the battery core groove are fixed at the joint position by a heat conducting adhesive.

10. The novel liquid cooling device for the battery module as set forth in claim 1, wherein the battery core is a cylindrical battery core.