CN218827458U - Buffering heat-insulating structure, battery pack structure and vehicle - Google Patents
Buffering heat-insulating structure, battery pack structure and vehicle Download PDFInfo
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- CN218827458U CN218827458U CN202222849936.4U CN202222849936U CN218827458U CN 218827458 U CN218827458 U CN 218827458U CN 202222849936 U CN202222849936 U CN 202222849936U CN 218827458 U CN218827458 U CN 218827458U
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 65
- 238000009413 insulation Methods 0.000 claims abstract description 24
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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 vehicle structural design field especially relates to a thermal-insulated structure of buffering, battery package structure and vehicle. The buffer heat insulation structure is arranged between the heat exchange plate and the bottom protection plate of the battery pack structure; the buffering heat insulation structure comprises an elastic piece and two buffering blocks, the elastic piece is arranged between the two buffering blocks, one buffering block is used for being connected with the heat exchange plate, and the other buffering block is used for being connected with the bottom protection plate. The buffering heat insulation structure, battery package structure and vehicle that this disclosed embodiment provided, two buffer blocks through making the thermal-insulated subassembly of buffering are connected with heat transfer board and end backplate respectively, and the spring setting plays the effect of absorbing the impact between two buffer blocks, compares in the mode of traditional bubble cotton or rubber, and is littleer with the area of contact of heat transfer board and end backplate, reduces calorific loss, and can not produce the deformation, and the impact resistance is better, compares simultaneously in the cotton or rubber weight of bubble lighter, and the cost is still less.
Description
Technical Field
The utility model relates to a vehicle structural design technical field especially relates to a thermal-insulated structure of buffering, battery package structure and vehicle.
Background
As one of the core components of an electric vehicle, a battery pack is usually provided with a thermal management system to play an important role in regulating the temperature of the battery pack. At present, most of mainstream thermal management systems adopt a water-cooling heat exchange plate to be arranged between a battery core and a bottom protection plate of a battery pack, and heating or cooling of the battery core is realized by adjusting the temperature of cooling liquid. In order to prevent the battery pack from being extruded to the heat exchange plate by the bottom protective plate when the battery pack is impacted by the bottom ball, the damage to the battery cell is caused, and a layer of foam or rubber serving as a buffer material is arranged between the heat exchange plate and the bottom protective plate.
However, the use of a layer of foam or rubber as the buffer material not only has a heavy weight and a high cost, but also makes the heat of the battery cell easily transferred to the outside due to the large contact area between the foam or rubber and the heat exchange plate and the bottom guard plate after the foam or rubber is arranged, thereby affecting the heat preservation effect. In addition, the foam or the rubber can generate plastic deformation after being impacted, so that the overall anti-ball-impact capability of the battery pack is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the present disclosure provides a buffering heat insulation structure, a battery pack structure and a vehicle.
In a first aspect, the present disclosure provides a cushioning and thermal insulating structure for being disposed between a heat exchange plate of a battery pack structure and a bottom protective plate of the battery pack structure;
the buffering heat insulation structure comprises an elastic part and two buffering blocks, the elastic part is arranged between the two buffering blocks, one buffering block is used for being connected with the heat exchange plate, and the other buffering block is used for being connected with the bottom protection plate.
Optionally, the buffer block comprises an abutting plate and a connecting part, and the connecting part is connected with the elastic part;
on the buffer block, the abutting plate is used for being attached to the heat exchange plate, and the connecting part is arranged on one side of the abutting plate, which is back to the heat exchange plate; on another buffer block, the butt plate is used for being laminated with the end backplate, connecting portion set up the butt plate one side dorsad the end backplate.
Optionally, the abutting plate and the connecting portion are integrally formed.
Optionally, the connecting portion is connected with the elastic member in a hot melting manner, or the connecting portion is connected with the elastic member in an adhesion manner.
Optionally, one side of the abutting plate, which faces away from the connecting portion, is provided with an adhesive layer, and the buffer block is connected with the bottom protective plate or the heat exchange plate in an adhesive manner through the adhesive layer.
Optionally, the elastic member is a spring, and a distance between the two buffer blocks is smaller than a natural length of the spring.
In a second aspect, the present disclosure provides a battery pack structure including the above-mentioned buffering heat insulation structure.
Optionally, the battery pack structure includes a battery cell, the bottom protective plate, and the heat exchange plate, where the battery cell is disposed on the bottom protective plate, and the heat exchange plate is disposed between the battery cell and the bottom protective plate;
the battery pack structure further comprises a battery frame, and the battery frame is arranged on the bottom protective plate;
one side of the battery frame, which faces the bottom guard plate, is provided with at least one buffering heat insulation structure used for being connected with the bottom guard plate.
Optionally, the number of the buffering heat insulation structures arranged on the battery frame is multiple, and all the buffering heat insulation structures are uniformly distributed on one side of the battery frame.
In a third aspect, the present disclosure also provides a vehicle including the above battery pack structure
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the utility model provides a buffering thermal-insulated structure, battery package structure and vehicle, two buffer blocks through making buffering thermal-insulated structure are connected with heat transfer board and end backplate respectively, the spring sets up between two buffer blocks, play the effect of absorption impact, compare in the traditional mode that sets up one deck bubble cotton or rubber between heat transfer board and end backplate, buffer block and heat transfer board and end area of contact between the backplate are littleer, the loss that can significantly reduce heat gived off, the ability that the spring shocks resistance is better, and can not produce plastic deformation, and simultaneously, buffering thermal-insulated structure is lighter than in bubble cotton or rubber weight, the cost is still less.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic partial cross-sectional view of a battery pack structure according to a first embodiment of the present disclosure, where a water-cooling plate of a buffering and heat-insulating structure is disposed;
fig. 2 is a schematic structural view of a buffering and heat-insulating structure according to a first embodiment of the disclosure;
fig. 3 is an exploded view of a buffering and heat insulating structure according to a first embodiment of the disclosure;
fig. 4 is an exploded view of a battery pack structure according to a first embodiment of the present disclosure;
fig. 5 is a partial structural schematic view of a battery frame provided with a buffering and heat-insulating structure in a battery pack structure according to a first embodiment of the disclosure.
Reference numerals:
1. an electric core; 2. a bottom guard plate; 3. a heat exchange plate; 4. a buffer heat insulation structure; 41. an elastic member; 42. a buffer block; 421. a butt joint plate; 422. a connecting portion; 5. a battery frame.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
With the increasingly vigorous development of the electric automobile industry, the demand of users on electric automobiles is higher and higher. For an electric automobile, a power battery pack is one of the core components of the electric automobile, and a thermal management system is an indispensable part of the power battery pack and plays an important role in regulating the body temperature of the battery.
At present, most of mainstream thermal management systems adopt a heat exchange plate in a water cooling mode, the heat exchange plate is arranged between a battery core and a bottom protection plate of a battery pack, and the battery core inside the battery pack is heated or cooled by adjusting the temperature of cooling liquid. In order to prevent the battery pack from being extruded to the water cooling plate by the bottom protective plate when the battery pack is impacted by the bottom ball, the damage to the battery cell is caused, and a layer of foam or rubber serving as a buffer material is arranged between the heat exchange plate and the bottom protective plate.
However, the adoption of a layer of foam or rubber as the buffer material not only has heavy weight and high cost, but also has large contact area with the water cooling plate and the bottom guard plate after the foam or rubber is arranged, so that the heat of the battery is easily transferred to the outside, and the heat preservation effect is poor. Furthermore, PU foam or rubber can generate plastic deformation after being impacted, so that the overall anti-ball-impact capability of the battery is weak.
To above-mentioned defect, this embodiment provides a thermal-insulated structure of buffering, through the original bubble cotton or the rubber that set up of replacement to solve the influence heat preservation effect that the bubble cotton or rubber lead to, and influence the problem of the whole protecting against shock effect of battery package. Specifically, the arrangement of the battery pack structure and the buffering and heat-insulating structure is described in the following embodiments.
Example one
As shown in fig. 1 to 5, the present embodiment provides a buffering and heat insulating structure 4 for being disposed between a heat exchange plate 3 and a bottom protection plate 2 of a battery pack structure, the buffering and heat insulating structure 4 includes an elastic member 41 and two buffering blocks 42, the two buffering blocks 42 are respectively disposed at two ends of the elastic member 41, and one buffering block 42 is used for being connected with the heat exchange plate 3, and the other buffering block 42 is used for being connected with the bottom protection plate 2.
Corresponding to the buffering heat insulation structure provided by the embodiment, since the buffering heat insulation structure is arranged on the battery pack, the embodiment further provides a battery pack structure, which includes the buffering heat insulation structure.
The battery pack usually comprises a battery core 1, a bottom protective plate 2 and a heat exchange plate 3, wherein the battery core 1 is arranged on the bottom protective plate 2, and the heat exchange plate 3 is arranged between the battery core 1 and the bottom protective plate 2.
In other embodiments, the battery pack may further include a frame, the frame is also installed on the upper surface of the bottom protective plate 2, and the frame may form a plurality of battery compartments for placing the battery cells 1 on the bottom protective plate 2. The heat exchange plate 3 can be a water cooling plate, which can be fixedly connected with the frame and located at the bottom of the electric core 1, and can also be directly attached to the bottom of the electric core 1. Two buffer blocks 42 are respectively disposed at two ends of the elastic member 41, so that the elastic member 41 is pressed by the buffer blocks 42 to compress the elastic member 41, and the elastic member 41 becomes a main structure between the backplate 2 and the heat exchange plate 3 for absorbing the buffer. The buffer block 42 is used for realizing the connection and fixation of the buffer heat insulation structure 4 with the bottom protection plate 2 and the heat exchange plate 3.
When setting up buffering thermal-insulated structure 4, can determine the quantity that needs the position of installing buffering thermal-insulated structure 4 and need install on heat transfer board 3 earlier, in order to guarantee that each position department has balanced buffering effect between backplate 2 and the heat transfer board 3, can carry out the equipartition with a plurality of buffering thermal-insulated structures 4 on the surface of heat transfer board 3. After the positions of all the buffering heat insulation structures 4 are well positioned on the heat exchange plate 3, the buffering heat insulation structures 4 and the heat exchange plate 3 are fixed, then the structure of the battery cell 1 is installed, and the bottom protection plate 2 is further installed at the bottom of the battery cell 1.
Through battery package structure and vehicle that this embodiment provided, through set up buffering thermal-insulated structure 4 between heat transfer board 3 and end backplate 2, make two buffer blocks 42 of buffering thermal-insulated structure 4 be connected with heat transfer board 3 and end backplate 2 respectively, elastic component 41 sets up between two buffer blocks 42, play the effect of absorbing the impact, compare in traditional mode that sets up one deck bubble cotton or rubber between heat transfer board 3 and end backplate 2, area of contact between with heat transfer board 3 and end backplate 2 is littleer, the loss that the heat that can significantly reduce gived off, and can not produce plastic deformation, the ability of shocking resistance is better, and simultaneously, buffering thermal-insulated structure 4 is compared in that bubble cotton or rubber weight is lighter, the cost is still less.
When the buffering heat insulation structure 4 is arranged, the elastic member 41 can use a spring, and the distance between the two buffering blocks 42 can be smaller than the natural extension distance of the spring, so that after the bottom protection plate 2 and the heat exchange plate 3 are assembled, the elastic member 41 can have slight compression, and the abnormal sound problem of the battery pack under the vibration condition is avoided. In addition, in this embodiment, the elastic member 41 may be a metal spring, and the buffer block 42 may be made of a light plastic, for example, a plastic with a low thermal conductivity and a certain strength such as epoxy resin. Wherein, the natural extension distance of the spring is the length of the spring along the vertical direction when the buffering heat insulation structure 4 is independently and vertically placed on the horizontal plane.
The buffer blocks 42 specifically include abutting plates 421 and connecting portions 422, the connecting portions 422 are connected to the elastic members 41, the abutting plates 421 are attached to the heat exchange plates 3 on one buffer block 42, and the connecting portions 422 are arranged on one side of the abutting plates 421, which is opposite to the heat exchange plates 3; in the other cushion block 42, the abutting plate 421 is attached to the bottom cover 2, and the connecting portion 422 is provided on the side of the abutting plate 421 facing away from the bottom cover 2. The setting of butt board 421 can form great binding face, makes the connection between thermal-insulated structure of buffering and heat transfer board 3 or end backplate 2 more firm, sets up connecting portion 422 at the opposite side of butt board 421 simultaneously, conveniently carries out accordant connection with the spring. In order to facilitate the connection of the connection portion 422 and the spring, the connection portion 422 may be provided in a cylindrical structure, and the spring may be in interference fit with the connection portion 422 to further ensure connection reliability.
The connection between the connection part 422 and the spring may be hot melt or adhesive. In addition, the surface of the abutting plate 421, which is attached to the heat exchange plate 3 or the bottom protection plate 2, is set to be larger than the section of the connecting portion 422, which is parallel to the surface of the heat exchange plate 3 or the bottom protection plate 2, so that the abutting of the buffer block 42 and the heat exchange plate 3 or the bottom protection plate 2 is more stable.
In order to ensure the structural strength and facilitate the overall fabrication of the structure, the abutting plate 421 and the connecting portion 422 are integrally formed, for example, by injection molding. When the abutting plate 421 is connected to the heat exchange plate 3 or the bottom protection plate 2, an adhesive layer is disposed on one side of the abutting plate 421, which is away from the connecting portion 422, and the buffer block 42 is adhesively connected to the bottom protection plate 2 or the heat exchange plate 3 through the adhesive layer. Specifically, the adhesive layer may be formed by coating a structural adhesive or adhering a double-sided adhesive.
In some embodiments, the battery pack structure further comprises a battery frame 5, and the battery frame 5 is disposed on the bottom protective plate 2. On the basis of this, at least one cushioning and heat insulating structure 4 for connecting to the floor panel 2 can be provided on the side of the battery frame 5 facing the floor panel 2. Thereby playing the effect of the effort of better transmission backplate 2, the ability of the anti bottom ball of reinforcing battery package hits. Specifically, the cushioning and heat insulating structure 4 may be provided at the position of the crossbeams of the battery frame 5 and other positions where rigidity is strong. In addition, in order to achieve a balanced buffering effect, the number of the buffering and heat insulating structures 4 arranged on the battery frame 5 is multiple, and all the buffering and heat insulating structures 4 are uniformly distributed on one side of the battery frame 5.
Example two
The present embodiment provides a vehicle including the cushioning and heat insulating structure and the battery pack structure according to the first embodiment.
The battery pack structure can be connected with the floor of a vehicle body when being assembled on the vehicle. Be provided with the vehicle of this battery package structure, absorb the impact that the vehicle produced under any situation between battery package structure position heat transfer board and the end backplate through the thermal-insulated structure of buffering, compare in traditional mode that sets up the cotton or rubber of one deck bubble between heat transfer board and end backplate, and the area of contact between heat transfer board and the end backplate is littleer, the loss that can significantly reduce the heat and give off, and can not produce plastic deformation, the ability of shocking resistance is better, and simultaneously, the thermal-insulated structure of buffering is lighter than in cotton or rubber weight of bubble, the cost is still less.
In addition, other arrangement modes of the battery pack structure in the vehicle of this embodiment are the same as the battery pack structure provided in the first embodiment, and can bring about the same or similar technical effects, and are not described in detail herein, and reference may be specifically made to the description of the first embodiment.
The vehicle provided by the embodiment may be a passenger vehicle, a commercial vehicle, or the like, and the embodiment is not limited thereto. Any vehicle that can be equipped with the battery pack structure described above is within the scope of the present embodiment.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The buffer heat insulation structure is characterized by being arranged between a heat exchange plate of a battery pack structure and a bottom protection plate of the battery pack structure;
the buffering heat insulation structure comprises an elastic part and two buffering blocks, wherein the elastic part is arranged between the two buffering blocks, one buffering block is used for being connected with the heat exchange plate, and the other buffering block is used for being connected with the bottom protection plate.
2. The cushioning and thermal insulating structure of claim 1, wherein said cushioning block includes an abutment plate and a connecting portion, said connecting portion being connected to said elastic member;
on the buffer block, the abutting plate is used for being attached to the heat exchange plate, and the connecting part is arranged on one side of the abutting plate, which is back to the heat exchange plate; on another buffer block, the butt plate is used for being laminated with the end backplate, connecting portion set up the butt plate one side dorsad the end backplate.
3. The cushioning and thermal insulation structure of claim 2, wherein the abutting plate and the connecting portion are integrally formed.
4. The cushioning and heat insulating structure according to claim 2, wherein the connecting portion is connected to the elastic member by a hot-melt method, or the connecting portion is connected to the elastic member by adhesion.
5. The cushioning and heat insulating structure according to claim 2, wherein a side of the abutting plate facing away from the connecting portion is provided with an adhesive layer, and the cushioning block is adhesively connected with the bottom protective plate or the heat exchange plate through the adhesive layer.
6. The cushioning and thermal insulation structure according to any one of claims 1 to 5, wherein said elastic member is a spring, and a distance between two of said cushioning blocks is smaller than a natural-state length of said spring.
7. A battery pack structure comprising the cushioning heat-insulating structure according to any one of claims 1 to 6.
8. The battery pack structure of claim 7, wherein the battery pack structure comprises a cell, the backplate, and the heat exchange plate, the cell being disposed on the backplate, the heat exchange plate being disposed between the cell and the backplate;
the battery pack structure further comprises a battery frame, and the battery frame is arranged on the bottom protective plate;
one side of the battery frame, which faces the bottom protection plate, is provided with at least one buffering heat insulation structure used for being connected with the bottom protection plate.
9. The battery pack structure of claim 8, wherein the number of the buffering and heat insulating structures provided on the battery frame is plural, and all the buffering and heat insulating structures are uniformly distributed on one side of the battery frame.
10. A vehicle characterized by comprising the battery pack structure according to any one of claims 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222849936.4U CN218827458U (en) | 2022-10-27 | 2022-10-27 | Buffering heat-insulating structure, battery pack structure and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222849936.4U CN218827458U (en) | 2022-10-27 | 2022-10-27 | Buffering heat-insulating structure, battery pack structure and vehicle |
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| CN218827458U true CN218827458U (en) | 2023-04-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117860470A (en) * | 2024-03-11 | 2024-04-12 | 南通科威瀚医疗科技有限公司 | Portable heat preservation device based on body temperature intelligence accuse temperature |
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2022
- 2022-10-27 CN CN202222849936.4U patent/CN218827458U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117860470A (en) * | 2024-03-11 | 2024-04-12 | 南通科威瀚医疗科技有限公司 | Portable heat preservation device based on body temperature intelligence accuse temperature |
| CN117860470B (en) * | 2024-03-11 | 2024-05-14 | 南通科威瀚医疗科技有限公司 | Portable heat preservation device based on body temperature intelligence accuse temperature |
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