CN218602554U

CN218602554U - Heat preservation battery package and have its vehicle

Info

Publication number: CN218602554U
Application number: CN202221917538.5U
Authority: CN
Inventors: 郭红艳; 严胜利; 王玉玲; 占莉; 潘福中; 牛亚琪
Original assignee: Zhejiang Geely Holding Group Co Ltd; Weirui Electric Automobile Technology Ningbo Co Ltd; Zhejiang Zeekr Intelligent Technology Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Weirui Electric Automobile Technology Ningbo Co Ltd; Zhejiang Zeekr Intelligent Technology Co Ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-03-10
Anticipated expiration: 2032-07-21

Abstract

The utility model provides a heat preservation battery package and have its vehicle, this heat preservation battery package include that electric core and cover are located the outer coating of electric core, be formed with the thermal-insulated chamber of vacuum in the coating, the thermal-insulated chamber of vacuum set up in the cladding in situ of electric core each side. This heat preservation battery package can have better heat preservation effect.

Description

Heat preservation battery package and have its vehicle

Technical Field

The utility model belongs to the technical field of the power battery technique and specifically relates to a heat preservation battery package and have its vehicle.

Background

With the exhaustion of energy, new energy electric vehicles have been developed rapidly. The requirements of high-temperature heat dissipation and low-temperature heating of the battery pack are met by taking heat out of or into the battery pack through a heat exchange medium. However, the environment of the battery pack is greatly influenced by the external environment, and the normal use of the vehicle can be influenced by the extreme environment. The main reason is that the battery pack is in contact with the vehicle body, and the vehicle body has uncontrollable heat conduction and heat convection with the external environment. Therefore, the environmental heat preservation of the battery pack has not been effectively solved. At present, the wide measure is to add heat insulation materials in the battery pack, the materials are thin and cannot play a role, and the design space of the battery pack is influenced by the too thick materials.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heat preservation battery package and have its vehicle, this heat preservation battery package can have better heat preservation effect.

The utility model provides a heat preservation battery pack, locate including electric core and cover the outer coating of electric core, be formed with the thermal-insulated chamber of vacuum in the coating, the thermal-insulated chamber of vacuum set up in the cladding in situ of each side of electric core.

Further, the coating layer comprises a shell and a coating layer formed outside the shell, and the vacuum heat insulation cavity is formed in the coating layer.

Furthermore, the shell comprises a shell body with openings at two ends, the two ends of the shell body also comprise cover plates covering the openings, a vacuum heat insulation cavity is formed in the cover plates, and the coating layer is arranged outside the shell body in an enclosing manner.

Further, the coating layer comprises a first plate body and a second plate body, the first plate body is plate-shaped, the section of the second plate body is semi-I-shaped, the shell body is arranged on the outer side of the battery cell in a surrounding mode, the first plate body is arranged on the surface of one side, facing the vehicle body, of the shell body, the second plate body is arranged on the two sides of the shell body in a surrounding mode, and the surface, far away from the vehicle body, of the shell body is arranged on the outer side of the shell body in a surrounding mode.

Further, casing main part is towards one side of automobile body, to the both sides protrusion be formed with the connection chimb connect be formed with first connecting hole on the chimb be formed with on the first plate body with the corresponding second connecting hole of first connecting hole, the connecting piece passes first connecting hole and second connecting hole in order to be fixed in the automobile body with the battery package that keeps warm.

Further, the coating layer comprises a first plate body and a second plate body, the cross section of the shell body is in a half-I shape, the upper surface and two side surfaces of the battery cell are surrounded outside the battery cell, the first plate body is arranged on the upper surface of the battery cell, the second plate body is arranged on two sides of the shell body, the surface of one side, far away from the vehicle body, of the shell body in a surrounding manner.

Further, the coating layer is fixed to the case main body by bonding or welding.

Further, the coating layer is formed of a plastic or metal material.

Furthermore, a through hole for vacuumizing is formed in the cover plate, and the through hole is connected with a vacuum heat insulation cavity in the cover plate.

The utility model also provides a vehicle, including foretell heat preservation battery package.

To sum up, the utility model discloses in, through form the thermal-insulated chamber of vacuum in the coating outside electric core to the thermal-insulated chamber of vacuum keeps apart the inside and outside thermal transmission of battery package, and it can save the thermal-insulated insulation material of battery package upper limb thick, saves the design space of battery package, and further, because the thermal-insulated chamber of vacuum is located the cladding intraformational, consequently, this battery package can not influence laying of other spare parts.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a heat preservation battery pack according to a first embodiment of the present invention.

Fig. 2 is a schematic exploded view of the thermal insulation battery pack in fig. 1.

Fig. 3 is a schematic top view of the thermal insulation battery pack in fig. 1.

Fig. 4 is a schematic sectional view taken along the direction IV-IV in fig. 3.

Fig. 5 is a schematic view showing a cross-sectional structure in the V-V direction in fig. 3.

Fig. 6 is a schematic structural view of a heat preservation battery pack according to a second embodiment of the present invention.

Reference numerals: 10. the battery comprises a battery cell, 21 casing bodies, 211 casing main bodies, 212 cover plates, 213 connecting flanges, 214 first connecting holes, 215 through holes, 22 coating layers, 221 first plate bodies, 222 second plate bodies, 223 second connecting holes and 30 vacuum heat insulation chambers.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.

Fig. 1 is a schematic structural view of a heat preservation battery pack according to a first embodiment of the present invention, fig. 2 is an exploded schematic structural view of the heat preservation battery pack in fig. 1, fig. 3 is a schematic structural view of a heat preservation battery pack in fig. 1, fig. 4 is a schematic structural cross-sectional view in the direction from IV to IV in fig. 3, and fig. 5 is a schematic structural cross-sectional view in the direction from V to V in fig. 3. As shown in fig. 1 to 5, the utility model provides a heat preservation battery pack includes that electric core 10 (see fig. 4) and cover locate the coating outside electric core 10, is formed with the thermal-insulated chamber 30 of vacuum in this coating, and the thermal-insulated chamber 30 of vacuum sets up in the coating of electric core 10 each side.

In this embodiment, a vacuum heat insulation cavity 30 is formed in the coating layer outside the electric core 10, and the vacuum heat insulation cavity 30 is used for isolating the heat transfer inside and outside the battery pack, so that a thicker heat insulation material on the battery pack can be omitted, and the design space of the battery pack can be saved.

Further, with continued reference to fig. 2 to 5, the coating layer includes a shell 21 and a coating layer 22 formed outside the shell 21, and the vacuum insulation chamber 30 is formed in the coating layer 22.

More specifically, in the present embodiment, the housing 21 includes a housing main body 211 having openings at both ends thereof, and the housing main body 211 further includes cover plates 212 covering the openings at both ends thereof, and the vacuum insulation chamber 30 is also formed in the cover plates 212. The coating layer 22 is disposed around the housing body 211, and at least comprises a first plate 221 and a second plate 222. A through hole 215 (see fig. 1) for vacuum evacuation is formed on the side surface of the cover plate 22, and the through hole 215 communicates with the vacuum insulation chamber 30.

Preferably, the first plate 221 is plate-shaped, the cross section of the second plate 222 is half-i-shaped, the housing main body 211 is surrounded outside the electric core 10 from four sides of the electric core 10, the first plate 221 is disposed on the surface of the housing main body 211 facing one side of the vehicle body, that is, the upper surface of the housing main body 211 (see the upward side of the housing main body 211 in fig. 4), the second plate 222 is surrounded outside the housing main body 211 from two sides of the housing main body 211, that is, the sides of the heat preservation battery pack on two sides of the vehicle body (see the upper and lower sides in fig. 5), and the surface of the side of the housing 211 away from the vehicle body is surrounded outside the housing main body 211.

In the present embodiment, with the above arrangement, the case body 211 can still be formed by the outer shell of the battery pack in the prior art, and the coating layer 22 is coated outside the case body 211, without any modification to the portion of the case body 211.

By providing the vacuum insulation chamber 30 on the cover plate 212, and the coating layer 22 is coated outside the housing body 211, it is ensured that the two ends, i.e. the front and the rear, of the battery pack are also insulated from the outside, and the assembly of various external plug connectors is not affected.

In the present embodiment, a coupling flange 213 is protrudingly formed to both sides at a side of the case body 211 facing the vehicle body, a first coupling hole 214 is formed on the coupling flange 213, and a second coupling hole 223 corresponding to the first coupling hole 214 is formed on the first plate 221. When assembled, the coupling member couples the battery pack to the vehicle body through the first coupling hole 214 and the second coupling hole 223.

In this embodiment, the coating layer 22 is fixed to the case body 211 by bonding or welding. The coating layer 22 may be formed of a plastic or metal material.

Fig. 6 is a schematic cross-sectional view of a structure of a heat-insulating battery pack according to a second embodiment of the present invention. As shown in fig. 6, the heat preservation battery pack provided by the second embodiment of the present invention is substantially the same as the first embodiment, and the difference is that, in this embodiment, the cross section of the housing main body 211 is half-i-shaped, and is surrounded outside the electric core 10 from the lower surface and two sides of the electric core 10. The first plate 221 is disposed on the upper surface of the battery cell 10 (i.e., the surface of the battery cell 10 facing the vehicle body), and the second plate 222 is disposed around the housing main body 211 from two sides of the housing 21 and the surface of the housing 21 facing away from the vehicle body.

At this time, the two cover plates 212 are covered on both ends of the structure formed by the first plate 221 and the half-i-shaped housing body 211.

That is, the above structure omits the profile on the upper side of the casing main body 211, and at this time, the casing main body 211 can still protect the battery cell 10 from the lower surface and both sides of the battery cell 10, and since the upper side of the casing main body 211 faces the vehicle body, the omission does not affect the protection performance of the casing main body 211. By directly arranging the first plate 221 on the upper surface of the battery cell 10, on the one hand, the heat insulation performance of the heat preservation battery pack can be ensured, and on the other hand, the cost is also reduced.

In conclusion, the utility model discloses in, through forming the thermal-insulated chamber 30 of vacuum in the coating outside electric core 10 to the thermal-insulated chamber 30 of vacuum keeps apart the inside and outside thermal transmission of battery package, and it can save the thermal-insulated insulation material of battery package upper limb thick, saves the design space of battery package, and further, because the thermal-insulated chamber 30 of vacuum is located the cladding intraformational, consequently, this battery package can not influence laying of other spare parts.

The utility model also provides a vehicle, including foretell heat preservation battery package, about other technical characteristics of this vehicle, please see prior art.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed in the above embodiments by the better persons, but not limited to the present invention, any person skilled in the art can make some modifications or changes to the equivalent embodiments of the equivalent changes without departing from the technical scope of the present invention, and any simple modification, equivalent changes and modifications made to the above embodiments by the technical spirit of the present invention still belong to the technical scope of the present invention.

Claims

1. A heat preservation battery package which characterized in that: the battery comprises a battery cell (10) and a coating layer covered outside the battery cell (10), wherein a vacuum heat insulation cavity is formed in the coating layer, and the vacuum heat insulation cavity is arranged in the coating layer on each side of the battery cell (10).

2. The heat-insulating battery pack according to claim 1, wherein: the coating layer comprises a shell (21) and a coating layer (22) formed outside the shell (21), and the vacuum heat insulation cavity is formed in the coating layer (22).

3. The heat-insulating battery pack according to claim 2, wherein: the shell (21) comprises a shell main body (211) with openings at two ends, the two ends of the shell main body (211) further comprise cover plates (212) covering the openings, a vacuum heat insulation cavity is formed in each cover plate (212), and the coating layer (22) is arranged outside the shell main body (211) in a surrounding mode.

4. The heat-insulating battery pack according to claim 3, wherein: coating layer (22) includes first plate body (221) and second plate body (222), first plate body (221) are platelike, the cross-section of second plate body (222) is half I-shaped, casing main part (211) are followed four sides of electric core (10) are enclosed and are located outside electric core (10), first plate body (221) set up in casing (21) are towards on the surface of automobile body one side, second plate body (222) are followed the both sides of casing (21), and the surface of automobile body one side is kept away from in casing (21), enclose and locate outside casing main part (211).

5. The heat-insulating battery pack according to claim 4, wherein: casing main part (211) is towards one side of automobile body, to both sides outstanding be formed with and connect chimb (213) be formed with first connecting hole (214) on connecting chimb (213 be formed with on first plate body (221) with first connecting hole (214) corresponding second connecting hole (223), the connecting piece passes first connecting hole (214) and second connecting hole (223) in order to be fixed in the automobile body with the battery package that keeps warm.

6. The heat-insulating battery pack according to claim 3, wherein: the coating layer (22) comprises a first plate body (221) and a second plate body (222), the cross section of the shell body (211) is in a half-I shape, the upper surface and two side faces of the battery cell (10) are surrounded on the outside of the battery cell (10), the first plate body (221) is arranged on the upper surface of the battery cell (10), the second plate body (222) is arranged on two sides of the shell (21) and the surface of one side, far away from the vehicle body, of the shell (21) and is surrounded on the outside of the shell body (211).

7. The heat-insulating battery pack according to claim 3, wherein: the coating layer (22) is fixed on the shell body (211) by bonding or welding.

8. The heat-insulating battery pack according to claim 2, characterized in that: the coating layer (22) is made of plastic or metal.

9. The heat-insulating battery pack according to claim 3, wherein: the cover plate (212) is provided with a through hole (215) for vacuum pumping, and the through hole (215) is connected with a vacuum heat insulation cavity (30) in the cover plate (212).

10. A vehicle, characterized in that: comprising the thermally insulated battery pack of any one of claims 1 to 9.