CN210837873U

CN210837873U - Elastic supporting structure of liquid cooling plate of battery

Info

Publication number: CN210837873U
Application number: CN201922169845.4U
Authority: CN
Inventors: 宋涛; 邢志斌
Original assignee: Tianjin EV Energies Co Ltd
Current assignee: Tianjin EV Energies Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-06-23
Anticipated expiration: 2029-12-06

Abstract

The utility model provides a battery liquid cold drawing elastic support structure, including setting up in liquid cold drawing below and rather than the elastic support subassembly of face contact, elastic support subassembly includes elastic base, elastic base is provided with the connecting piece that is used for fixed liquid cold drawing along length direction's both sides. Thereby the assurance cold drawing bottom liquid cold drawing in pond liquid cold drawing elastic support structure in the effective laminating of module reduces the thermal contact resistance between cold drawing and the module, and then cools down to the module.

Description

Elastic supporting structure of liquid cooling plate of battery

Technical Field

The utility model belongs to the technical field of new energy automobile trade battery system, especially, relate to a battery liquid cooling board elastic support structure.

Background

With increasing emphasis on environmental issues, electric vehicles have been rapidly developed in recent years. An important factor affecting batteries of electric vehicles is temperature, and excessive temperature may cause the batteries to catch fire or even explode, and excessive temperature may cause lithium precipitation of the batteries, thereby affecting the performance of the batteries. With the increase of the energy density of the battery, the heat generation quantity of the battery is gradually increased, and the influence of the temperature on the performance and the safety of the battery is very important. At present, the heat management modes of the battery mainly comprise natural cooling, air cooling, liquid cooling, refrigerant direct cooling and the like. Liquid cooling is the mainstream thermal management method at present. The liquid-cooled heat management mode is adopted, effective heat dissipation needs to be guaranteed, good contact between the cold plate and the battery module is guaranteed, and the support form of the cold plate is designed to be elastic support in consideration of vibration of the battery pack in use.

At present, the mainstream thermal management mode of the battery system is liquid cooling, and good contact between the battery module and a cold plate is required to be ensured in order to ensure that the heat of the battery module is effectively transferred to the cold plate. Adopt the rigid connection to link together battery module and cold drawing, thereby easily produce the heat transfer between cold drawing and the battery module in vibrations along with long-time work operation between cold drawing and the battery module in the gap.

Disclosure of Invention

In view of this, the utility model aims at providing a battery liquid cold drawing elastic support structure to solve the technical problem that the gap that cold drawing and battery module vibrations in the operation produced caused the battery performance to reduce, through being the bottom that the elastic support laminated the module to the liquid cooling board, thereby guarantee the effective laminating of liquid cooling board in the module, reduce the thermal contact resistance between liquid cooling board and the module, and then cool down the module.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a battery liquid cold drawing elastic support structure, is including setting up in liquid cold drawing below and rather than the elastic support subassembly of face contact, elastic support subassembly includes elastic base, elastic base is provided with the connecting piece that is used for fixed liquid cold drawing along length direction's both sides.

Furthermore, a plurality of heat dissipation channels are arranged in the elastic base, and the heat dissipation channels are communicated and arranged along the length direction of the liquid cooling plate.

Furthermore, a plurality of layers of heat dissipation channels are arranged along the thickness direction of the elastic base, and each layer comprises a plurality of heat dissipation channels.

Furthermore, each layer of heat dissipation channels are arranged in a staggered mode.

Furthermore, a plurality of supporting strips are arranged on the surface of the elastic base, which is in contact with the liquid cooling plate, in a crossed manner.

Furthermore, the connecting piece is a buckle matched with the edge shape of the liquid cooling plate.

Furthermore, the supporting strips are divided into a first supporting strip and a second supporting strip which are perpendicular to each other, and the first supporting strip or the second supporting strip is perpendicular to the length direction of the liquid cooling plate.

Furthermore, the supporting strip is a plastic piece.

Furthermore, the elastic base is a rubber elastic base.

Compared with the prior art, battery liquid cold drawing elastic support structure have following advantage:

(1) the elastic supporting force of the elastic base at the bottom of the liquid cooling plate in the elastic supporting structure of the liquid cooling plate of the battery can reduce the vibration force on the cooling plate in work;

(2) battery liquid cold drawing elastic support structure in connecting piece to the skew of the fixed reducible liquid cold plate of liquid cold plate in the installation.

(3) Battery liquid cold drawing elastic support structure in hollow structure in the elastic base promptly heat dissipation channel's setting, can realize the control to the distance between liquid cooling board and the module to guarantee that the laminating power between cold drawing and the module is at reasonable within range.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is an exploded view of the battery liquid cooling plate elastic support structure according to an embodiment of the present invention in a usage state

Fig. 2 is a schematic structural view of an elastic support structure of a battery liquid cooling plate according to an embodiment of the present invention;

fig. 3 is a front view of an elastic support structure of a battery liquid cooling plate according to an embodiment of the present invention.

Description of reference numerals:

1. a module main body; 2. a thermally conductive pad; 3. a liquid-cooled plate; 4. an elastic base; 5. buckling; 6. a heat dissipation channel; 7. a support strip.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 3, the elastic support structure of the liquid cooling plate 3 of the battery includes an elastic support component disposed below the liquid cooling plate 3 and in surface contact with the liquid cooling plate, the elastic support component includes an elastic base 4, and two sides of the elastic base 4 along the length direction are provided with a connecting member for fixing the liquid cooling plate 3. When the liquid cooling plate 3 is in elastic contact with the battery module, the liquid cooling plate 3 can be in good contact with the module in the subsequent working process, and the liquid cooling plate 3 can be protected to a certain extent in the subsequent working process, so that the vibration damage to the liquid cooling plate 3 is reduced.

Preferably, the connecting member is a snap 5 which is matched with the edge shape of the liquid cooling plate 3. Specifically, the surface of buckle 5 flushes with elastic base 4's surface, prevents adjacent two sets of elastic base 4 mutual interference, and the internal surface of buckle 5 matches with the surface of the edge of liquid cooling plate 3, as shown in fig. 2, when the edge of liquid cooling plate 3 is the arc, buckle 5's internal surface is provided with the recess, and the recess is for matcing the arc recess with it. Of course, the connecting piece can adopt other forms, and the liquid cooling plate 3 can be fixed only by the clamping connection within the protection scope of the utility model.

A plurality of heat dissipation channels 6 are arranged in the elastic base 4, and the heat dissipation channels 6 are arranged in a penetrating manner along the length direction of the liquid cooling plate 3. Specifically, the plurality of heat dissipation channels 6 are distributed in layers along the thickness direction of the elastic base 4, and each layer includes the plurality of heat dissipation channels 6. In addition, the heat dissipation channels 6 of two adjacent layers are arranged in a staggered mode.

The surface of the elastic base 4 contacted with the liquid cooling plate 3 is crosswise provided with a plurality of supporting strips 7 made of plastic materials. The supporting strip 7 is divided into a first supporting strip 7 and a second supporting strip 7 which are perpendicular to each other, and the first supporting strip 7 or the second supporting strip 7 is perpendicular to the length direction of the liquid cooling plate 3.

In the present embodiment, the elastic base 4 is preferably a rubber elastic base 4.

The utility model discloses a 4 hollow structures of rubber elasticity base among the 3 elastic support structures of battery liquid cold plate produce elastic deformation when receiving certain pressure, and hollow structure is compressed, produces elastic deformation, controls the compression capacity through the distance between rational design cold drawing and the lower box, guarantees that the laminating power between cold drawing and the module is at reasonable within range. Through the size of rational design hollow structure, can realize different elastic force, hollow structure can save certain material and then reduce the cost of product simultaneously.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a battery liquid cold drawing elastic support structure which characterized in that: including setting up in liquid cold plate below and rather than the elastic support subassembly of face contact, elastic support subassembly includes elastic base, elastic base is provided with the connecting piece that is used for fixed liquid cold plate along length direction's both sides.

2. The battery fluid cold plate resilient support structure of claim 1, wherein: a plurality of heat dissipation channels are arranged in the elastic base and run through the heat dissipation channels along the length direction of the liquid cooling plate.

3. The battery fluid cold plate resilient support structure of claim 2, wherein: a plurality of layers of heat dissipation channels are arranged along the thickness direction of the elastic base, and each layer comprises a plurality of heat dissipation channels.

4. The battery fluid cold plate resilient support structure of claim 3, wherein: each layer of heat dissipation channels are arranged in a staggered mode.

5. The battery fluid cold plate resilient support structure of claim 1, wherein: and a plurality of supporting strips are arranged on the surface of the elastic base, which is in contact with the liquid cooling plate, in a crossed manner.

6. The battery fluid cold plate resilient support structure of claim 1, wherein: the connecting piece is a buckle matched with the edge shape of the liquid cooling plate.

7. The battery fluid cold plate resilient support structure of claim 5, wherein: the supporting strips are divided into a first supporting strip and a second supporting strip which are perpendicular to each other, and the first supporting strip or the second supporting strip is perpendicular to the length direction of the liquid cooling plate.

8. The battery fluid cold plate resilient support structure of claim 7, wherein: the supporting strip is a plastic piece.

9. The battery fluid cold plate resilient support structure of claim 1, wherein: the elastic base is a rubber elastic base.