CN207690961U

CN207690961U - Battery modules

Info

Publication number: CN207690961U
Application number: CN201721879990.6U
Authority: CN
Inventors: 肖调坤; 宋佳祺; 丁易
Original assignee: Microvast Power Systems Huzhou Co Ltd
Current assignee: Microvast Power Systems Huzhou Co Ltd
Priority date: 2017-12-28
Filing date: 2017-12-28
Publication date: 2018-08-03
Anticipated expiration: 2027-12-28

Abstract

The utility model provides a kind of battery modules, including battery core, and at least one cooling fin for being arranged between the adjacent battery core of two panels and being thermally contacted with the battery core, the cooling fin includes thermal conductive surface and is located at least in the support construction on thermal conductive surface one side, the support construction includes the flange being bent to form by thermal conductive surface edge, the flange has the contact surface to match with the structure at battery core edge so that the support construction forms support at least one EDGE CONTACT of battery core and to battery core.After having used technical solution provided by the utility model, the heat-sinking capability of battery modules is increased, the temperature be conducive between each battery core of module internal is uniform；The support construction of thermal conductive surface edge setting plays good supporting role to the bottom of battery core, avoids battery core edge from being squeezed by itself or external force and is damaged.

Description

Battery modules

Technical field

The utility model is related to gelled battery modules are set between battery technology field more particularly to a kind of battery core.

Background technology

Currently, lithium ion battery obtains extensive use in fields such as electrical source of power, energy storage devices.In general, lithium ion battery Using soft pack cell.Soft pack cell have it is light, thin, have extended cycle life, have a safety feature, energy density is high, discharge platform is stablized And power-performance waits remarkably many advantages, thus it is able to fast development.However the voltage of single soft pack cell is relatively low, capacity It is small, it generally requires after multiple soft pack cells are stacked, connects and/or used in parallel in use.

But it is had the following defects after several soft pack cells are stacked：Battery modules can produce in use Heat amount, and heat is easier between the battery core for accumulating in module centre position, and the heat of battery modules is caused to be unevenly distributed It is even, it is unfavorable for improving the working performance of battery modules.

Utility model content

The purpose of this utility model is to provide a kind of battery modules, including battery core and at least one setting it is adjacent in two panels Battery core between and the cooling fin that is thermally contacted with the battery core, the cooling fin include thermal conductive surface and be located at least in thermal conductive surface on one side Support construction, the support construction includes the flange being bent to form by thermal conductive surface edge, and the flange has and battery core edge The contact surface that matches of structure so that the support construction simultaneously forms battery core at least one EDGE CONTACT of battery core and supports.

The thermal conductive surface is that heatsink upper surface accumulates maximum face, and the face heat of thermal conductive surface and battery core largest surface area connects It touches；Support construction is to be bent to form using a part for thermal conductive surface, and form flange, has on flange and is connect with battery core edge Tactile supporting surface and flange has the contact surface to match with the structure at battery core edge so that flange can support soft pack cell Bottom；Flange can be arranged in the opposite two sides of radiating surface simultaneously so that the battery core of single cooling fin both sides can obtain Support.Cooling fin and the live part of battery core are discontiguous, ensure that the effect of insulation.

Thermal conductive surface edge or other positions can be bent to form the flange of support battery core.It is described when forming battery pack One or more EDGE CONTACTs of flange and battery core form battery core and support and play a protective role.

Cooling fin is made of the preferable metal material of electric conductivity, can be selected from least one of copper, nickel, iron or aluminium, At least one of copper-bearing alloy, nickel-containing alloys, iron containing alloy or aluminium-containing alloy can also be selected from.

In another embodiment of the utility model, the cooling fin includes thermal conductive surface and is located at thermal conductive surface with respect to both sides Support construction.

Support construction is arranged at the edge of thermal conductive surface, and battery core is thermally contacted with support construction, and support construction protects the side of battery core Edge avoids battery core edge from being squeezed by itself or external force and is damaged.Support construction be arranged the left side in thermal conductive surface, the right, on Side and at least one of following position.

In another embodiment of the utility model, the thermal conductive surface is made of one piece of metallic plate, the metallic plate Edge is bent to form flange.

Thermal conductive surface and flange are integrally formed, easy to process, and also can guarantee support performance of the flange to battery core.In this reality With in another novel embodiment, the thermal conductive surface is made of two pieces of metallic plates being close to, wherein at least one piece of metallic plate Edge is bent to form flange.

Thermal conductive surface is sticked to form by two pieces of metallic plates being close to, and is increased heat dissipation area, is improved heat-sinking capability.

In another embodiment of the utility model, the flange is located at the side of thermal conductive surface.

In another embodiment of the utility model, the flange is located at the both sides of thermal conductive surface.Flange is located at thermal conductive surface Both sides so that cooling fin can have enabling capabilities to the battery core of both sides simultaneously.

In another embodiment of the utility model, the support construction is reversely bent to form by two pieces of metallic plates.

Support construction is reversely bent to form by two pieces of metallic plates, forms two pieces of opposite metal-sheet edges of radiating surface To be bent to form flange so that the battery core of a cooling fin both sides can be supported.

In another embodiment of the utility model, the support construction is bent to form by two pieces of metallic plates, and two The end of block metallic plate bending part is oppositely arranged.

Support construction is bent to form by two pieces of metallic plates, and two pieces of metallic plates can reversely be bent each other, and radiating surface is opposite Two sides can be bent to form flange so that the battery core of a cooling fin both sides can be supported；Two pieces of metallic plates simultaneously The end of bending part is oppositely arranged, and the fast mouth of metallic plate end is avoided to scratch battery core.

In another embodiment of the utility model, the support construction is reversely bent to form by two pieces of metallic plates, and And the end of two pieces of metallic plate bending parts is oppositely arranged.

In another embodiment of the utility model, the fin surface wraps up insulating layer.Fin surface is wrapped up After insulating layer, the insulating capacity of cooling fin and battery modules is improved.

After having used technical solution provided by the utility model, the heat-sinking capability of battery modules is increased, mould is conducive to Temperature between the internal each battery core of group is uniform；The support construction of thermal conductive surface edge setting plays support well to battery core and makees With avoiding battery core edge from being squeezed by itself or external force and be damaged.

Description of the drawings

Fig. 1 is a kind of axonometric schematic diagram of battery modules disclosed by the utility model；

Fig. 2 is a kind of side view of battery modules disclosed by the utility model；

Fig. 3 is a kind of axonometric schematic diagram of battery modules disclosed by the utility model；

Fig. 4 is a kind of side view of battery modules disclosed by the utility model；

Wherein, 1, battery core, 2, cooling fin, 21, thermal conductive surface, 22, support construction, 221, flange.

Embodiment

Embodiment 1

As shown in Figure 1 and Figure 2, the present embodiment provides a kind of battery modules, including battery core 1 and cooling fin 2, the lugs of battery core 1 It places upward, cooling fin 2 is arranged between battery core 1, and cooling fin 2 is thermally contacted with battery core 1, and cooling fin 2 includes thermal conductive surface 21 and branch Support structure 22, support construction 22 are arranged at the edge of thermal conductive surface 21, support construction 22 include be bent to form by thermal conductive surface 21 it is convex Edge 221, flange 221 have the contact surface to match with the structure at battery core edge 1, flange 221 and 1 EDGE CONTACT of battery core, flange 221 pairs of battery cores 1 play supporting role.

Support construction 22 is reversely bent to form by two pieces of metallic plates, and the end of two pieces of metallic plate bending parts is set relatively It sets.

In the present embodiment, the selection of cooling fin 2 includes that the metallic plate of materials of aluminum is made.

Embodiment 2

As shown in Figure 1 and Figure 2, the present embodiment provides a kind of battery modules, including battery core 1 and cooling fin 2, the lugs of battery core 1 It places upward, insulating layer is wrapped up on 2 surface of cooling fin, and cooling fin 2 is arranged between battery core 1, and cooling fin 2 includes thermal conductive surface 21 and branch Support structure 22, support construction 22 are arranged at the edge of thermal conductive surface 21, support construction 22 include be bent to form by thermal conductive surface 21 it is convex Edge 221, flange 221 have the contact surface to match with the structure at battery core edge 1, flange 221 and 1 EDGE CONTACT of battery core, flange 221 pairs of battery cores 1 play supporting role.

In the present embodiment, the selection of cooling fin 2 includes that the metallic plate of material copper is made.

Embodiment 3

As shown in Figure 3, Figure 4, the present embodiment provides a kind of battery modules, including battery core 1 and cooling fin 2,1 side of battery core is put, So that the lug of battery core 1 towards it is left/towards the right side, cooling fin 2 is arranged between battery core 1, and cooling fin 2 is thermally contacted with battery core 1, cooling fin 2 Including thermal conductive surface 21 and support construction 22, support construction 22 is arranged at the edge of thermal conductive surface 21, and support construction 22 includes by heat conduction The flange 221 that face 21 is bent to form, flange 221 have the contact surface to match with the structure at battery core edge 1, flange 221 and electricity 1 EDGE CONTACT of core, flange 221 play supporting role to battery core 1.

The technical principle of the utility model is described above in association with specific embodiment, but it should be recognized that this above-mentioned A little descriptions are intended merely to explain the principles of the present invention, and cannot in any way be construed to scope of protection of the utility model Concrete restriction.Based on the explanation herein, those skilled in the art can associate this practicality not making the creative labor Other novel specific implementation modes or equivalent replacement, fall within the scope of protection of the utility model.

Claims

1. a kind of battery modules, including battery core and it is at least one be arranged between the adjacent battery core of two panels and with battery core heat The cooling fin of contact, it is characterised in that：The cooling fin includes thermal conductive surface and is located at least in the support construction on thermal conductive surface one side, institute To state support construction include the flange being bent to form by thermal conductive surface edge, and the flange has to match with the structure at battery core edge Contact surface so that the support construction forms support at least one EDGE CONTACT of battery core and to battery core.

2. battery modules according to claim 1, it is characterised in that：The cooling fin include thermal conductive surface and be located at thermal conductive surface The support construction on opposite both sides.

3. battery modules according to claim 1, it is characterised in that：The thermal conductive surface is made of one piece of metallic plate, described The edge of metallic plate is bent to form flange.

4. battery modules according to claim 1, it is characterised in that：The thermal conductive surface is by two pieces of metal board groups being close to At the edge of wherein at least one piece metallic plate is bent to form flange.

5. battery modules according to claim 3 or 4, it is characterised in that：The flange is located at the side of thermal conductive surface.

6. battery modules according to claim 3 or 4, it is characterised in that：The flange is located at the both sides of thermal conductive surface.

7. battery modules according to claim 4, it is characterised in that：The support construction is reversely bent by two pieces of metallic plates It is formed.

8. battery modules according to claim 4, it is characterised in that：The support construction is by two pieces of metallic plate bents At, and the end of two pieces of metallic plate bending parts is oppositely arranged.

9. battery modules according to claim 7, it is characterised in that：The end of two pieces of metallic plate bending parts is opposite to be set It sets.

10. battery modules according to claim 1, it is characterised in that：The fin surface wraps up insulating layer.