CN217405609U - Integrated liquid cooling power battery box - Google Patents
Integrated liquid cooling power battery box Download PDFInfo
- Publication number
- CN217405609U CN217405609U CN202221173658.9U CN202221173658U CN217405609U CN 217405609 U CN217405609 U CN 217405609U CN 202221173658 U CN202221173658 U CN 202221173658U CN 217405609 U CN217405609 U CN 217405609U
- Authority
- CN
- China
- Prior art keywords
- liquid cooling
- frame
- fastening device
- cooling plate
- integrated liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 54
- 238000001816 cooling Methods 0.000 title claims abstract description 52
- 239000000565 sealant Substances 0.000 claims abstract description 7
- 229920000742 Cotton Polymers 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 8
- 239000012943 hotmelt Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000005304 joining Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses an integrated liquid cooling power battery box, which relates to the field of power batteries and comprises a frame, a liquid cooling plate and a first fastening device; the liquid cooling plate is fixedly connected with the frame through the first fastening device, and structural sealant is coated between the contact surface of the liquid cooling plate and the frame; the frame is provided with an independent fixing cavity, and the first fastening device penetrates through the liquid cooling plate and penetrates into the fixing cavity. The utility model has the advantages that: the sealing performance of the integrated liquid cooling power battery box body is improved.
Description
Technical Field
The utility model relates to a power battery field especially relates to an integrated liquid cooling power battery box.
Background
In order to improve the space utilization rate, reduce the weight of a battery system and reduce the cost of the battery system, the power battery box is mainly of a liquid cooling integrated structure. The sealing is realized to sealed glue of coating between current integrated liquid cooling power battery box liquid cooling structure and the frame to mechanical connection, patent document with publication number CN211529994U discloses a new forms of energy battery box, including the frame that is used for loading the battery, the up end of frame sets up a plurality of groups water-cooling board, and the up end of water-cooling board sets up end backplate, and the both ends of end backplate are passed through hot melt rivet and frame attach, are connected through the foamed cement between end backplate and the frame. Due to the reasons of flatness of parts, machining errors and the like, the self-sealing of the connection position of the hot-melt rivet cannot be ensured, leakage is caused with a certain probability, and therefore a layer of glue needs to be additionally coated on the connection position of the hot-melt rivet, the manufacturing cost and the glue cost are greatly increased, and the leakage cannot be completely avoided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that how to improve the leakproofness of integrated liquid cooling power battery box.
The utility model discloses a realize solving above-mentioned technical problem through following technical means: the integrated liquid cooling power battery box comprises a frame, a liquid cooling plate and a first fastening device; the liquid cooling plate is fixedly connected with the frame through the first fastening device, and structural sealant is coated between the contact surface of the liquid cooling plate and the frame; the frame is provided with an independent fixed cavity, and the first fastening device penetrates through the liquid cooling plate and penetrates into the fixed cavity.
The fixing cavity is independently arranged and is not communicated with the interior of the box body, so that the first fastening device penetrating into the fixing cavity is isolated from the interior of the box body, the problem of sealing failure caused by leakage of a connecting position is solved, and the sealing performance of the integrated liquid-cooled power battery box body is improved, so that the yield of the integrated liquid-cooled power battery box body in the production and manufacturing process and the safety and reliability of a battery system in the using process are improved; and a layer of structural sealant is not required to be additionally coated at the connecting position of the first fastening device, so that the material and production cost is greatly reduced.
Preferably, the frame is formed by sequentially joining and enclosing a plurality of strip-shaped frames, and each strip-shaped frame is provided with an independent fixing cavity; the butt joint position of two adjacent bar frames is equipped with the breach of two adjacent fixed chambeies of intercommunication in the outside one side towards the box, and two adjacent bar frames are in the inboard welding of the part that is equipped with fixed chamber together. For guaranteeing that the fixed cavity is completely isolated from the inside of the box body, the adjacent two strip-shaped frames need to be welded together at the inner sides of the parts provided with the fixed cavity, a notch is arranged to enable the welding operation to be more convenient, and the failure risk caused by welding is greatly reduced.
Preferably, integrated liquid cooling power battery box still includes backplate, second fastener, the backplate is located the liquid cooling plate is back to one side of frame and through second fastener with frame fixed connection, second fastener passes in proper order the backplate with the liquid cooling plate penetrates in the fixed chamber. The second fastening device penetrating into the fixed cavity is isolated from the interior of the box body, so that the waterproof part is not needed to be used by the second fastening device, and the material cost is further reduced.
Preferably, integrated liquid cooling power battery box still includes the heat preservation cotton, the heat preservation cotton is located the liquid cooling board with between the backplate.
Preferably, the heat preservation cotton is bonded to one side, back to the frame, of the liquid cooling plate through single-side back glue.
Preferably, the side of the protection plate opposite to the liquid cooling plate is coated with a PVC coating. The function of preventing stone impact is achieved.
Preferably, the second fastening device adopts a hexagonal-head combination bolt.
Preferably, the first fastening means is a hot melt rivet.
The utility model has the advantages of:
1. the fixing cavity is independently arranged and is not communicated with the interior of the box body, so that the first fastening device penetrating into the fixing cavity is isolated from the interior of the box body, the problem of sealing failure caused by leakage of a connecting position is solved, and the sealing performance of the integrated liquid cooling power battery box body is improved, so that the qualified rate of the integrated liquid cooling power battery box body in the production and manufacturing process and the safety and reliability of a battery system in the using process are improved; and a layer of structural sealant is not required to be additionally coated at the connecting position of the first fastening device, so that the material and production cost is greatly reduced.
2. For guaranteeing that the fixed cavity is completely isolated from the inside of the box body, the adjacent two strip-shaped frames need to be welded together at the inner sides of the parts provided with the fixed cavity, a notch is arranged to enable the welding operation to be more convenient, and the failure risk caused by welding is greatly reduced.
3. The second fastening device penetrating into the fixed cavity is isolated from the interior of the box body, so that the waterproof part is not needed to be used by the second fastening device, and the material cost is further reduced.
Drawings
Fig. 1 is the utility model discloses the structural schematic of integrated liquid cooling power battery box.
Fig. 2 is a partially enlarged schematic view of a notch position of the frame according to an embodiment of the present invention.
The reference numbers indicate:
1. a frame; 11. a strip-shaped frame; 12. a fixed cavity; 13. a notch; 2. a liquid-cooled plate; 3. a first fastening device; 4. heat preservation cotton; 5. a guard plate; 6. a second fastening means.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the embodiment of the utility model discloses integrated liquid cooling power battery box, including frame 1, liquid cooling board 2, first fastener 3, heat preservation cotton 4, backplate 5, second fastener 6.
The frame 1 is formed by sequentially joining and enclosing a plurality of strip-shaped frames 11, and the strip-shaped frames 11 are aluminum extruded sections; referring to fig. 2, each strip-shaped frame 11 is provided with an independent fixed cavity 12, and the fixed cavity 12 is not communicated with the interior of the box body; the butt joint position of two adjacent strip-shaped frames 11 is provided with a notch 13 communicated with two adjacent fixed cavities 12 at one side facing the outside of the box body, the two adjacent strip-shaped frames 11 are welded together at the inner sides of the parts provided with the fixed cavities 12 by adopting a CMT process, and the rest parts are integrally welded together.
The liquid cooling plate 2 is manufactured by aluminum plate stamping and brazing, the liquid cooling plate 2 is fixedly connected with the frame 1 through the first fastening device 3, and structural sealant is coated between the contact surface of the liquid cooling plate 2 and the frame 1.
The first fastening means 3 is a hot melt rivet, and the first fastening means 3 passes through the liquid-cooled plate 2 and penetrates into the fixing chamber 12 through the FDS hot melt process.
The heat preservation cotton 4 is located between the liquid cooling plate 2 and the guard plate 5, and the heat preservation cotton 4 is bonded on one side of the liquid cooling plate 2 back to the frame 1 through single-side back glue.
The guard plate 5 is formed by cold stamping, and one side of the guard plate, which is back to the liquid cooling plate 2, is coated with a PVC coating, so that the stone impact prevention effect is achieved; the protective plate 5 is positioned on the side of the liquid cooling plate 2 opposite to the frame 1 and is fixedly connected with the frame 1 through a second fastening device 6.
The second fastening device 6 adopts a hexagon head combination bolt, and the second fastening device 6 sequentially penetrates through the guard plate 5 and the liquid cooling plate 2 and penetrates into the fixing cavity 12.
The working principle is as follows: the fixing cavity 12 is independently arranged and is not communicated with the interior of the box body, so that the first fastening device 3 and the second fastening device 6 penetrating into the fixing cavity are isolated from the interior of the box body, the problem of sealing failure caused by leakage of a connecting position is solved, the sealing performance of the integrated liquid-cooled power battery box body is improved, and the qualification rate of the integrated liquid-cooled integrated box body in the production and manufacturing process and the safety and reliability of a battery system in the using process are improved; a layer of structural sealant is not required to be additionally coated at the connecting position of the first fastening device 3, so that the material and production cost is greatly reduced; the second fastening device 6 does not need to use a waterproof rivet nut, and a common rivet nut can be used, so that the material cost is further reduced; in order to ensure that the fixed cavity 12 is completely isolated from the inside of the box body, the adjacent two strip-shaped frames 11 are required to be welded together at the inner sides of the parts provided with the fixed cavity 12, the notch 13 is arranged to enable the welding operation to be more convenient, and the failure risk caused by welding is greatly reduced.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. The utility model provides an integrated liquid cooling power battery box which characterized in that: comprises a frame, a liquid cooling plate and a first fastening device; the liquid cooling plate is fixedly connected with the frame through the first fastening device, and structural sealant is coated between the contact surface of the liquid cooling plate and the frame; the frame is provided with an independent fixed cavity, and the first fastening device penetrates through the liquid cooling plate and penetrates into the fixed cavity.
2. The integrated liquid-cooled power cell case of claim 1, wherein: the frame is formed by sequentially joining and enclosing a plurality of strip-shaped frames, and each strip-shaped frame is provided with an independent fixing cavity; the butt joint position of two adjacent bar frames is equipped with the breach in two adjacent fixed chambeies of intercommunication in the outside one side of orientation box, and the inboard welding of two adjacent bar frames in the part that is equipped with fixed chamber is in the same place.
3. The integrated liquid cooled power cell case of claim 1, wherein: the integrated liquid cooling power battery box body further comprises a protection plate and a second fastening device, wherein the protection plate is located on one side, back to the frame, of the liquid cooling plate, the second fastening device is fixedly connected with the frame, and the second fastening device sequentially penetrates through the protection plate and the liquid cooling plate and penetrates into the fixing cavity.
4. The integrated liquid cooled power cell housing of claim 3, wherein: the integrated liquid cooling power battery box body further comprises heat preservation cotton, and the heat preservation cotton is located between the liquid cooling plate and the guard plate.
5. The integrated liquid-cooled power cell case of claim 4, wherein: the heat preservation cotton is bonded on one side, back to the frame, of the liquid cooling plate through single-side back glue.
6. The integrated liquid cooled power cell housing of claim 3, wherein: one side of the protection plate, which is opposite to the liquid cooling plate, is coated with a PVC coating.
7. The integrated liquid cooled power cell housing of claim 3, wherein: the second fastening device adopts a hexagonal head combination bolt.
8. The integrated liquid-cooled power cell case of claim 1, wherein: the first fastening device is a hot-melt rivet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221173658.9U CN217405609U (en) | 2022-05-16 | 2022-05-16 | Integrated liquid cooling power battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221173658.9U CN217405609U (en) | 2022-05-16 | 2022-05-16 | Integrated liquid cooling power battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217405609U true CN217405609U (en) | 2022-09-09 |
Family
ID=83144557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221173658.9U Active CN217405609U (en) | 2022-05-16 | 2022-05-16 | Integrated liquid cooling power battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217405609U (en) |
-
2022
- 2022-05-16 CN CN202221173658.9U patent/CN217405609U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |