CN213042980U - Battery pack and vehicle - Google Patents
Battery pack and vehicle Download PDFInfo
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- CN213042980U CN213042980U CN202021654677.4U CN202021654677U CN213042980U CN 213042980 U CN213042980 U CN 213042980U CN 202021654677 U CN202021654677 U CN 202021654677U CN 213042980 U CN213042980 U CN 213042980U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a battery technology field provides a battery package and vehicle, and the battery package includes the box and is hollow structure's energy-absorbing insulation structure spare. The box includes framework, bottom plate, guard plate, liquid cooling board. The stressed collapse direction of the energy-absorbing heat-insulating structural part is vertical to the plane of the protection plate; the energy-absorbing heat-insulating structural part is detachably connected to one side of the protection plate, which faces the bottom plate; and/or the liquid cooling plate is detachably connected to one side, facing the protection plate, of the liquid cooling plate. An energy-absorbing heat-insulating structural part is additionally arranged between the protection plate and the liquid cooling plate, and when the protection plate receives external force impact, the energy-absorbing heat-insulating structural part can absorb most of kinetic energy, so that the impact of the external force on the liquid cooling plate and the battery module is reduced. Meanwhile, the energy-absorbing heat-insulating structural part is of a hollow structure, so that an air heat-insulating layer is formed between the liquid cooling plate and the protection plate, the heat of the liquid cooling plate can be effectively prevented from being lost to the direction of the protection plate, and a certain heat-insulating effect is achieved.
Description
Technical Field
The utility model relates to a battery technology field especially provides a battery package and have vehicle of this battery package.
Background
With the rapid development of new energy automobiles, people have higher and higher safety requirements on electric automobiles, and the power battery pack is taken as a power source of the new energy automobiles, so that the safety of the new energy automobiles is self-evident. In general, a power battery pack is mounted at the bottom of a vehicle, so that the power battery pack is easily damaged by foreign matters at the bottom of the vehicle during the running process of the vehicle, and the power battery pack is damaged and even seriously ignited or exploded.
At present, most vehicles lack the battery package to the vehicle bottom and protect, perhaps, also have the lower box protection plate thickness through increasing the battery package and come to protect the battery module, but, this kind of mode leads to the whole weight of battery package to increase, and energy density descends to and also not good to the heat preservation effect of battery package. Therefore, it is necessary to solve the problems that the bottom of the conventional battery pack is easily damaged by foreign substances and the heat preservation effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery pack, the easy problem that is destroyed and keeps warm the effect poor by the foreign matter in the bottom that aims at solving current battery pack.
In order to achieve the above object, the utility model adopts the following technical scheme: a battery pack comprises a box body, wherein the box body comprises a frame body, a bottom plate arranged at the bottom of the frame body, a protection plate covered on the bottom plate, and a liquid cooling plate arranged between the bottom and the protection plate; the energy-absorbing heat-insulating structural part is detachably connected to one side, facing the base plate, of the protection plate, and/or the energy-absorbing heat-insulating structural part is detachably connected to one side, facing the protection plate, of the liquid cooling plate.
The utility model has the advantages that: the utility model provides a battery pack adds an energy-absorbing insulation structure between guard plate and liquid cooling board, and its atress is crumpled the plane at direction perpendicular to guard plate place, and like this, when external force impact was received to the guard plate, most kinetic energy can be absorbed to energy-absorbing insulation structure to reduce the impact of external force to liquid cooling board and battery module. Meanwhile, the energy-absorbing heat-insulating structural part is of a hollow structure, so that an air heat-insulating layer is formed between the liquid cooling plate and the protection plate, the heat of the liquid cooling plate can be effectively prevented from being lost to the direction of the protection plate, and a certain heat-insulating effect is achieved. To sum up, the battery package of this application can cushion the impact of external force to the battery package bottom effectively, and the security performance is higher to and, can prevent the heat loss of liquid cooling board, it is better to keep warm the effect.
In one embodiment, the energy-absorbing heat-insulating structural member comprises a plurality of energy-absorbing heat-insulating layered components which are sequentially stacked, each energy-absorbing heat-insulating layered component comprises a plurality of energy-absorbing heat-insulating pipe bodies which are hollow structures and are sequentially arranged side by side, and the energy-absorbing heat-insulating pipe bodies are detachably connected to the protection plates.
By adopting the technical scheme, the shock resistance and the heat preservation capacity of the energy-absorbing heat-preservation layered assembly are improved by arranging the plurality of layers of energy-absorbing heat-preservation layered assemblies. Meanwhile, the energy-absorbing and heat-insulating functions of each energy-absorbing and heat-insulating layered assembly are realized through each energy-absorbing and heat-insulating pipe body, and the energy-absorbing and heat-insulating pipe bodies are convenient to disassemble and assemble.
In one embodiment, the energy-absorbing insulated pipe body has a polygonal radial cross section.
By adopting the technical scheme, the polygon is a better energy absorption structure.
In one embodiment, a first heat preservation medium is arranged in each energy-absorbing heat preservation pipe body.
Through adopting above-mentioned technical scheme, further improve the heat preservation effect through first heat preservation medium.
In one embodiment, the energy-absorbing heat-insulating structural member comprises a plurality of energy-absorbing heat-insulating plates which are sequentially stacked, the end sides of the energy-absorbing heat-insulating plates are inwards sunken to form a plurality of energy-absorbing heat-insulating channels which penetrate through the end sides, and the energy-absorbing heat-insulating channels are arranged side by side along the side length direction of the energy-absorbing heat-insulating plates.
Through adopting above-mentioned technical scheme, on the same principle, fretwork out a plurality of energy-absorbing heat preservation passageways in the energy-absorbing heated board and can reach the effect that the energy-absorbing keeps warm equally.
In one embodiment, the radial cross section of the energy-absorbing insulation channel is diamond-shaped, hexagonal or triangular.
By adopting the technical scheme, the rhombus, the hexagon or the triangle is a better energy absorption structure.
In one embodiment, a second insulating medium is arranged in each energy-absorbing insulating channel.
Through adopting above-mentioned technical scheme, further improve the heat preservation effect through first heat preservation medium.
In one embodiment, the battery pack comprises a limiting structure, and the energy-absorbing heat-insulating structural part is detachably connected to the protection plate through the limiting structure; and/or the energy-absorbing heat-insulating structural part is detachably connected to the liquid cooling plate through a limiting structure.
By adopting the technical scheme, the energy-absorbing heat-insulating structural part and the protection plate are detachably connected by utilizing the limiting structure, so that the disassembly and the assembly are convenient; and/or the liquid cooling plate is detachably connected with the liquid cooling plate, so that the liquid cooling plate is convenient to detach.
In one embodiment, the limiting structure comprises two lower guide rails which are arranged on the protection plate in parallel and at intervals and two lower guide plates which are arranged on the energy-absorbing heat-insulating structural member, and each lower guide plate is inserted into the corresponding lower guide rail in a sliding manner; and/or the limiting structure comprises two upper guide rails which are arranged on the liquid cooling plate in parallel and at intervals and two upper guide plates which are arranged on the energy-absorbing heat-insulating structural member, and each upper guide plate is inserted into the corresponding upper guide rail in a sliding manner.
By adopting the technical scheme, specifically, the energy-absorbing heat-insulating structural part and the protection plate can be detachably connected by utilizing the sliding insertion connection mode of the guide rail and the guide plate, and/or the energy-absorbing heat-insulating structural part and the liquid cooling plate can be detachably connected.
The utility model also provides a vehicle, including foretell battery package.
The utility model has the advantages that: the utility model provides a vehicle, on the basis that has above-mentioned battery package, the security of vehicle is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a partial cross-sectional view of a battery pack according to an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a schematic structural diagram of a battery pack according to a first embodiment of the present invention;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is a cross-sectional view of an energy-absorbing insulation structure of a battery pack according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
the energy-absorbing and heat-preserving structure comprises a battery pack 100, a box body 10, an energy-absorbing and heat-preserving structural member 20, a frame body 11, a bottom plate 12, a protection plate 13, a liquid cooling plate 14, a limiting structure 30, a lower guide rail 31, a lower guide plate 32, an upper guide rail 33, an upper guide plate 34, an energy-absorbing and heat-preserving layered assembly 21a, an energy-absorbing and heat-preserving pipe body 21b, an energy-absorbing and heat-preserving plate 22a and an energy-.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and 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 thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" 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" or "second" 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 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; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 and 2, a battery pack 100 of the present application includes a case 10. The box body 10 comprises a frame body 11, a bottom plate 12 arranged at the bottom of the frame body 11, a protection plate 13 covering the bottom plate 12, and a liquid cooling plate 14 arranged between the bottom and the protection plate 13, the battery pack 100 further comprises an energy-absorbing heat-insulating structural member 20 in a hollow structure, and the stress collapse direction of the energy-absorbing heat-insulating structural member 20 is perpendicular to the plane of the protection plate 13; the energy-absorbing heat-insulating structure 20 is detachably connected to one side, facing the bottom plate 12, of the protection plate 13, and/or the energy-absorbing heat-insulating structure 20 is detachably connected to one side, facing the protection plate 13, of the liquid cooling plate 14. It will be appreciated that the energy absorbing insulating structure 20 is more easily disassembled, particularly if damaged and needs to be replaced.
The utility model provides a battery package 100 adds an energy-absorbing insulation structure 20 between guard plate 13 and liquid cooling board 14, and its atress collapses the plane at direction perpendicular to guard plate 13 place, and like this, when guard plate 13 received external force and assaults, energy-absorbing insulation structure 20 can absorb most kinetic energy to reduce the impact of external force to liquid cooling board 14 and battery module. Meanwhile, the energy-absorbing heat-insulating structural part 20 is of a hollow structure, so that an air heat-insulating layer is formed between the liquid cooling plate 14 and the protection plate 13, the heat of the liquid cooling plate 14 can be effectively prevented from being lost to the direction of the protection plate 13, and a certain heat-insulating effect is achieved. To sum up, the battery package 100 of this application can cushion the impact of external force to battery package 100 bottom effectively, and the security performance is higher to and, can prevent the heat loss of liquid cooling plate 14, it is better to keep warm the effect.
Referring to fig. 1 to 4, in one embodiment, the battery pack 100 includes a limiting structure 30, and the energy-absorbing insulation structure 20 is detachably connected to the protection plate 13 through the limiting structure 30; and/or the energy-absorbing heat-insulating structural part 20 is detachably connected to the liquid cooling plate 14 through the limiting structure 30. By adopting the technical scheme, the energy-absorbing heat-insulating structural part is detachably connected with the protection plate 13 by utilizing the limit structure 30, so that the disassembly and the assembly are convenient; and/or the liquid cooling plate is detachably connected with the liquid cooling plate 14, so that the liquid cooling plate is convenient to detach.
Specifically, with continued reference to fig. 2 and 4, the limiting structure 30 includes two lower guide rails 31 disposed on the protection plate 13 in parallel and at intervals, and two lower guide plates 32 disposed on the energy-absorbing insulation structure 20, each lower guide plate 32 being slidably inserted into a corresponding lower guide rail 31; and/or the limiting structure 30 comprises two upper guide rails 33 which are arranged on the liquid cooling plate 14 in parallel and at intervals and two upper guide plates 34 which are arranged on the energy-absorbing heat-insulating structural member 20, and each upper guide plate 34 is inserted into the corresponding upper guide rail 33 in a sliding manner. Of course, the limiting structure 20 may also be a combination of a positioning column and a positioning pipe sleeve, that is, the positioning column is disposed on the energy-absorbing insulation structural member 20, and the positioning pipe sleeve is disposed on the protection plate 13 and/or the liquid cooling plate 14, so that the positioning column and the positioning pipe sleeve are used for realizing rapid insertion.
Example one
Referring to fig. 2 and 4, in the present embodiment, the energy-absorbing insulation structure 20 includes a plurality of energy-absorbing insulation layered assemblies 21a stacked in sequence, each energy-absorbing insulation layered assembly 21a includes a plurality of energy-absorbing insulation pipe bodies 21b arranged in parallel in sequence in a hollow structure, and the energy-absorbing insulation pipe bodies 21b are detachably connected to the protection plate 13. It is understood that the number of the energy-absorbing and heat-insulating layered components 21a is selected according to actual requirements, and several means the number of the energy-absorbing layered components is between 1 and 20. Of course, the greater the number of energy-absorbing and heat-insulating layered members 21a, the better the energy-absorbing and heat-insulating effects, but also the more the overall weight of the battery pack 100 is increased and the more space is occupied, resulting in a decrease in the energy density of the battery pack 100, and therefore, the number thereof is weighted. And each energy-absorbing heat-insulating layered assembly 21a is composed of a plurality of energy-absorbing heat-insulating pipe bodies 21b, and each energy-absorbing heat-insulating pipe body 21b can work independently and can play a role in absorbing energy and insulating heat in a larger area after being connected.
Referring to fig. 2 and 4, in the present embodiment, the energy-absorbing insulated pipe body 21b has a polygonal radial cross section. It will be appreciated that the polygon is a better energy absorbing structure. That is, when the external impact is applied to one position of the bottom of the battery pack 100, the impact is dispersed to the adjacent energy-absorbing heat-insulating tube 21b and is transmitted in turn.
In the embodiment, a first heat insulating medium (not shown) is provided in each energy-absorbing heat insulating pipe body 21 b. It is understood that the heat-insulating effect is further increased by the first heat-insulating medium. Here, the first heat insulating medium is a fiber or the like.
Example two
Referring to fig. 5, in the present embodiment, the energy-absorbing insulation structure 20 includes a plurality of energy-absorbing insulation boards 22a stacked in sequence, an end side of each energy-absorbing insulation board 22a is recessed inward to form a plurality of energy-absorbing insulation channels 22b, and the energy-absorbing insulation channels 22b are arranged side by side along a side length direction of the energy-absorbing insulation boards 22 a. Similarly, the number of the energy-absorbing insulation boards 22a is also selected according to actual requirements, and a plurality of the energy-absorbing insulation boards 22a is 1 to 20. Here, the energy-absorbing insulation board 22a is a whole board, and the whole board is hollowed out, that is, the end surface of the energy-absorbing insulation board 22a is recessed to form energy-absorbing insulation channels 22b arranged in a row along the side length direction. And the energy-absorbing heat-insulating channels 22b are used for absorbing external kinetic energy.
Referring to fig. 5, in the present embodiment, the radial cross section of the energy-absorbing insulation passage 22b is a diamond, a hexagon or a triangle. It will be appreciated that triangles, diamonds and hexagons are preferred energy absorbing structures. That is, when the bottom of the battery pack 100 receives an external impact, the impact is absorbed and transmitted to a position far away from the action point along the energy-absorbing and heat-insulating block. The energy absorption and buffering functions can be achieved.
In the embodiment, a second insulating medium (not shown) is provided in each energy-absorbing insulating passage 22 b. It is understood that the heat-insulating effect is further increased by the second heat-insulating medium. Here, the second thermal insulation medium is a fiber or the like.
The utility model also provides a vehicle, including foretell battery package 100.
The utility model provides a vehicle, on the basis that has above-mentioned battery package 100, the security of vehicle is higher.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a battery pack, includes the box, the box includes the framework, locates bottom plate, the lid of the bottom of framework are located protection plate on the bottom plate and locating bottom with liquid cooling board between the protection plate, its characterized in that: the battery pack also comprises an energy-absorbing heat-insulating structural part in a hollow structure, and the stressed collapse direction of the energy-absorbing heat-insulating structural part is perpendicular to the plane of the protection plate; the energy-absorbing heat-insulating structural part is detachably connected to one side, facing the bottom plate, of the protection plate; and/or the energy-absorbing heat-insulating structural part is detachably connected to one side, facing the protection plate, of the liquid cooling plate.
2. The battery pack according to claim 1, wherein: the energy-absorbing heat-insulating structural part comprises a plurality of energy-absorbing heat-insulating layered components which are sequentially stacked, each energy-absorbing heat-insulating layered component comprises a plurality of energy-absorbing heat-insulating pipe bodies which are hollow structures and are sequentially arranged side by side, and the energy-absorbing heat-insulating pipe bodies are detachably connected with the protection plates.
3. The battery pack according to claim 2, wherein: the radial section of the energy-absorbing heat-insulating pipe body is polygonal.
4. The battery pack according to claim 2, wherein: and a first heat-insulating medium is arranged in each energy-absorbing heat-insulating pipe body.
5. The battery pack according to claim 2, wherein: the energy-absorbing heat-insulating structural member comprises a plurality of energy-absorbing heat-insulating plates which are sequentially stacked, the end sides of the energy-absorbing heat-insulating plates are inwards sunken to form a plurality of energy-absorbing heat-insulating channels which penetrate through the energy-absorbing heat-insulating plates, and the energy-absorbing heat-insulating channels are arranged side by side along the side length direction of the energy-absorbing heat-insulating plates.
6. The battery pack according to claim 5, wherein: the radial section of the energy-absorbing heat-insulating channel is in a diamond shape, a hexagon shape or a triangle shape.
7. The battery pack according to claim 5, wherein: and a second heat-insulating medium is arranged in each energy-absorbing heat-insulating channel.
8. The battery pack according to claim 1, wherein: the battery pack comprises a limiting structure, and the energy-absorbing heat-insulating structural part is detachably connected to the protection plate through the limiting structure; and/or the energy-absorbing heat-insulating structural part is detachably connected to the liquid cooling plate through the limiting structure.
9. The battery pack according to claim 8, wherein: the limiting structure comprises two lower guide rails which are arranged on the protection plate in parallel and at intervals and two lower guide plates which are arranged on the energy-absorbing heat-insulating structural part, and each lower guide plate is inserted into the corresponding lower guide rail in a sliding manner; and/or, the limiting structure comprises two upper guide rails arranged on the liquid cooling plate in parallel and at intervals and two upper guide plates arranged on the energy-absorbing heat-insulating structural member, and the upper guide plates are inserted into the upper guide rails in a sliding manner.
10. A vehicle, characterized in that: comprising a battery pack according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021654677.4U CN213042980U (en) | 2020-08-10 | 2020-08-10 | Battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021654677.4U CN213042980U (en) | 2020-08-10 | 2020-08-10 | Battery pack and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213042980U true CN213042980U (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021654677.4U Active CN213042980U (en) | 2020-08-10 | 2020-08-10 | Battery pack and vehicle |
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| Country | Link |
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| CN (1) | CN213042980U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594600A (en) * | 2021-08-06 | 2021-11-02 | 江苏奥特帕斯新能源科技有限公司 | Light liquid-cooled battery box |
| DE102021207252A1 (en) | 2021-07-08 | 2023-01-12 | Mahle International Gmbh | Battery device and use of the same in a motor vehicle |
| WO2024011881A1 (en) * | 2022-07-15 | 2024-01-18 | 宁德时代新能源科技股份有限公司 | Battery and electrical device |
| WO2024082200A1 (en) * | 2022-10-20 | 2024-04-25 | 宁德时代新能源科技股份有限公司 | Protection board, and vehicle |
-
2020
- 2020-08-10 CN CN202021654677.4U patent/CN213042980U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021207252A1 (en) | 2021-07-08 | 2023-01-12 | Mahle International Gmbh | Battery device and use of the same in a motor vehicle |
| CN113594600A (en) * | 2021-08-06 | 2021-11-02 | 江苏奥特帕斯新能源科技有限公司 | Light liquid-cooled battery box |
| WO2024011881A1 (en) * | 2022-07-15 | 2024-01-18 | 宁德时代新能源科技股份有限公司 | Battery and electrical device |
| WO2024082200A1 (en) * | 2022-10-20 | 2024-04-25 | 宁德时代新能源科技股份有限公司 | Protection board, and vehicle |
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