CN117477107A - Liquid cooling machine case and energy storage device - Google Patents
Liquid cooling machine case and energy storage device Download PDFInfo
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- CN117477107A CN117477107A CN202311827149.2A CN202311827149A CN117477107A CN 117477107 A CN117477107 A CN 117477107A CN 202311827149 A CN202311827149 A CN 202311827149A CN 117477107 A CN117477107 A CN 117477107A
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- liquid cooling
- heat
- wall
- heat conducting
- supporting plate
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- 238000001816 cooling Methods 0.000 title claims abstract description 125
- 239000007788 liquid Substances 0.000 title claims abstract description 123
- 238000004146 energy storage Methods 0.000 title claims description 17
- 238000009434 installation Methods 0.000 claims abstract description 21
- 238000005452 bending Methods 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000004512 die casting Methods 0.000 claims description 7
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 239000002826 coolant Substances 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
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- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
Abstract
The application relates to a liquid cooling machine case and energy memory, liquid cooling machine case includes: the box body, the supporting plate and the liquid cooling pipe. The case body is formed with a chamber in which the battery pack is mounted, and includes a heat conductive wall. The supporting plate is positioned outside the box body and connected with the heat conducting wall, and the supporting plate and the heat conducting wall are matched to form a mounting channel. The liquid cooling pipe penetrates through the installation channel and is tightly abutted against the heat conducting wall, and the liquid cooling pipe is a bent pipe formed by integrally bending. When the cooling device is used, the liquid cooling pipe is filled with cooling medium, heat of a battery pack arranged in the cavity is taken away by the cooling medium through the heat conducting wall and the liquid cooling pipe in sequence, so that the cooling function is realized, namely, the liquid cooling plate in the related technology can be replaced through the combination of the liquid cooling pipe, the heat conducting wall and the supporting plate.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a liquid cooling machine box and an energy storage device.
Background
Liquid cooling is widely used by various industries as a high-efficiency heat dissipation mode. The main mode is that the liquid cooling plate is used as an independent component and is assembled with the battery pack or the chassis, and the diversion liquid cooling medium flows through a diversion channel arranged in the liquid cooling plate to take away the redundant heat generated by the battery pack, so that the heat dissipation effect is achieved.
In the related art, the liquid cooling plates are divided into vacuum brazing type liquid cooling plates, friction stir welding type liquid cooling plates, deep hole drilling liquid cooling plates and inflation type liquid cooling plates according to different process types. The above liquid cooling plates have different heat dissipation efficiency, weight and cost due to different structures and processes, and users can select the liquid cooling plates according to specific needs. However, the liquid cooling plate has some unavoidable problems, for example, if the diversion channel of the liquid cooling plate is processed by metal cutting, metal fine dust is easy to remain; if the welding seam is formed by splicing, for example, the welding seam is spliced and connected in a welding mode, the tightness of the welding seam is difficult to be ensured, and the risk of seepage exists; the machining and welding liquid cooling plate has complex machining process, low efficiency and high cost.
Disclosure of Invention
Based on the above, the defects in the prior art are necessarily overcome, and the liquid cooling machine case and the energy storage device are provided, so that no cutting residue can be realized, the sealing performance is improved, the processing technology is simpler, the processing efficiency is improved, and the manufacturing cost is reduced.
A liquid-cooled chassis, the liquid-cooled chassis comprising:
the battery pack comprises a box body, a battery pack and a battery pack, wherein the box body is formed with a cavity for accommodating the battery pack and comprises a heat conducting wall;
the supporting plate is positioned outside the box body and connected with the heat conducting wall, and an installation channel is formed by matching the supporting plate with the heat conducting wall; and
The liquid cooling pipe penetrates through the installation channel and is tightly abutted against the heat conducting wall, and the liquid cooling pipe is a bent pipe formed by integrally bending.
In one embodiment, the supporting plate is provided with a first groove concaved far away from the heat conducting wall, and the first groove and the heat conducting wall are mutually in abutting fit to form the mounting channel; or the heat conducting wall is provided with a second groove concavely arranged towards the direction far away from the supporting plate, and the second groove and the supporting plate are mutually in abutting fit to form the mounting channel; or, the supporting plate is provided with a first groove which is concavely arranged towards and far away from the heat conducting wall, the heat conducting wall is provided with a second groove which is concavely arranged towards and far away from the supporting plate, and the first groove and the second groove are adaptive and mutually abutted and matched to form the mounting channel.
In one embodiment, the liquid cooling chassis further includes a first heat-conducting glue, and the first heat-conducting glue is filled between the heat-conducting wall and the outer wall surface of the liquid cooling tube.
In one embodiment, the first heat-conducting glue is uniformly coated on the side of the liquid cooling tube facing the heat-conducting wall along the extending direction of the liquid cooling tube.
In one embodiment, the liquid cooling pipe is in line contact with the supporting plate, and the two sides of the liquid cooling pipe and the supporting plate are respectively formed with air-filled spacing spaces.
In one embodiment, the box body is integrally formed by a sheet metal process or by a die casting process.
In one embodiment, two ends of the liquid cooling pipe extend out of the mounting channel; and/or the two ends of the liquid cooling pipe are formed into connecting nozzles in a stamping mode.
In one embodiment, the liquid cooling pipe is a pipe fitting with a circular or elliptical cross section; the pipe wall thickness of the liquid cooling pipe is 0.2mm-2mm.
An energy storage device comprises a liquid cooling machine box and a battery pack arranged in the cavity, wherein the battery pack is in mutual butt joint with the heat conducting wall.
In one embodiment, the energy storage device further comprises a second heat conductive glue disposed inside the chamber, the second heat conductive glue being located between the heat conductive wall and the battery pack.
The liquid cooling machine case and the energy storage device are characterized in that the liquid cooling pipe is a bent pipe formed by integrally bending, the supporting plate is penetrated into the installation channel formed by matching the heat conducting wall, the cooling medium is introduced into the liquid cooling pipe, the heat of the battery pack arranged in the cavity is taken away by the cooling medium through the heat conducting wall and the liquid cooling pipe in sequence, the cooling function is realized, namely, the liquid cooling plate in the related art can be replaced by the combination of the liquid cooling pipe, the heat conducting wall and the supporting plate, compared with the liquid cooling plate in the related art, the flow guiding channel is formed without adopting a cutting mode, so that no cutting residue can be realized, the sealing performance is improved, the processing technology is simpler, the processing efficiency is improved, and the manufacturing cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an energy storage device according to an embodiment of the present application.
Fig. 2 is an exploded view of the structure shown in fig. 1.
Fig. 3 is a block diagram of a module formed by combining the heat conducting walls, the supporting plates and the liquid cooling pipes of the box body in the structure shown in fig. 2.
Fig. 4 is an exploded view of the structure shown in fig. 3.
Fig. 5 is a block diagram of the heat conductive wall and the liquid cooled tube in the configuration shown in fig. 4.
Fig. 6 is an exploded view of the structure shown in fig. 3.
Fig. 7 is a cross-sectional structural view of the structure shown in fig. 3.
Fig. 8 is an enlarged structural view of the structure at a shown in fig. 7.
Fig. 9 is a schematic structural diagram of an energy storage device according to another embodiment of the present application.
Fig. 10 is an exploded view of the structure shown in fig. 9.
Fig. 11 is a block diagram of a module formed by combining the heat conductive wall, the pallet and the liquid cooling pipes of the tank body in the structure shown in fig. 9.
Fig. 12 is an exploded view of the structure shown in fig. 11.
Fig. 13 is a view of the heat conductive wall of the structure of fig. 12.
Fig. 14 is an exploded view of the structure shown in fig. 11.
Fig. 15 is a cross-sectional structural view of the structure shown in fig. 11.
Fig. 16 is an enlarged structural view of the structure shown in fig. 15 at B.
10. A liquid cooling cabinet; 11. a case body; 111. a heat conducting wall; 1111. a second groove; 112. a front panel; 113. a rear panel; 114. a left side plate; 115. a right side plate; 116. an upper cover plate; 12. a supporting plate; 121. a first groove; 13. a liquid-cooled tube; 131. a connecting nozzle; 14. a chamber; 15. a first fastener; 16. a first heat-conducting gel; 17. a spacing space; 20. a battery pack; 30. and a second heat-conducting glue.
Detailed Description
In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.
The heat management scheme is very important because the energy storage product, including but not limited to the battery pack, is specifically developed by taking the battery pack as an example, generates heat in the working state, and if the battery cell is over-heated, the battery pack can work abnormally, the life loss, the thermal runaway and other safety problems can be caused.
Referring to fig. 1 to 8 or fig. 9 to 16, fig. 1 to 8 show related structural diagrams of an energy storage device and components thereof according to an embodiment, fig. 9 to 16 show related structural diagrams of an energy storage device and components thereof according to another embodiment, and a liquid cooling chassis 10 provided in an embodiment of the present application includes: a tank body 11, a pallet 12 and a liquid cooling pipe 13. The case body 11 is formed with a chamber 14 in which a battery pack 20 is mounted, the battery pack 20 including, but not limited to, a battery pack. The tank body 11 includes a heat conductive wall 111, and the pallet 12 is located outside the tank body 11 and connected to the heat conductive wall 111. The connection mode of the supporting plate 12 and the heat conducting wall 111 includes, but is not limited to, detachable connection through fasteners such as screws, bolts, pins, rivets, clamping pieces and the like, or connection through bonding, welding and the like, and the supporting plate 12 and the heat conducting wall 111 can be integrally formed. In this embodiment, the periphery of the supporting plate 12 is fixedly connected with the periphery of the heat conducting wall 111 by using a plurality of first fasteners 15, and each first fastener 15 is sequentially arranged at intervals around the periphery of the supporting plate 12, so that the supporting plate 12 is firmly connected to the box body 11, and the supporting plate 12 can be detached from the box body 11 according to actual requirements, so that the liquid cooling pipe 13 and other components can be replaced and maintained.
Further, the pallet 12 is formed with a mounting channel in cooperation with the heat conductive wall 111. The shape of the installation channel comprises, but is not limited to, one or more of an S shape, a U shape, a W shape, a Z shape, an N shape and an L shape, and can be flexibly adjusted and set according to actual requirements. The liquid cooling pipe 13 is arranged in the installation channel in a penetrating way and is tightly abutted against the heat conducting wall 111, and the liquid cooling pipe 13 is a bent pipe formed by integrally bending. Since the installation channel is provided in a detour shape, the path of the installation channel can be increased as much as possible without changing the area of the heat conductive wall 111, compared to the installation channel provided in a straight line, thereby improving the heat dissipation effect. In addition, the shape of the liquid cooling tube 13 is the same as that of the installation channel, so that the liquid cooling tube 13 is stably penetrated in the installation channel. In addition, in the final assembly process, the liquid cooling pipe 13 is integrated in the box body 11, in other words, the liquid cooling pipe 13, the supporting plate 12 and the box body 11 are combined to form a module, so that the module is suitable for modularized production, the difficulty of the battery package final assembly process can be reduced, and the product final assembly process can be simplified.
The above-mentioned liquid cooling machine case 10, the curved pipe that the liquid cooling pipe 13 formed of bending integratively is adopted, and wear to locate layer board 12 and heat conduction wall 111 cooperation to be formed into the installation passageway, during the use, liquid cooling pipe 13 lets in coolant, the heat of the battery package 20 of installing in cavity 14 loops through heat conduction wall 111 and liquid cooling pipe 13 and is taken away by coolant, realize the cooling function, namely can replace the liquid cooling board in the correlation technique through the combination form of liquid cooling pipe 13, heat conduction wall 111 and layer board 12, compare in the liquid cooling board in the correlation technique, need not to adopt the mode of cutting to form the water conservancy diversion passageway, thereby can realize no cutting and remain, the leakproofness can promote, processing technology is simpler, machining efficiency improves, manufacturing cost reduces.
In some embodiments, the shape of the case body 11 may be flexibly adjusted and set to various regular shapes and irregular shapes, such as a cuboid shape, a cylinder shape, etc., according to actual needs, which is not limited herein. In addition, the heat conducting wall 111 can be flexibly adjusted to any position on the bottom wall, side wall and top wall of the box body 11 according to actual requirements. In the present embodiment, the case body 11 is specifically rectangular, and the heat conducting wall 111 is provided as a bottom plate of the case body 11 for example, but is not limited thereto.
Referring to fig. 2 to 6, 9 and 10, in one embodiment, the case body 11 further includes a front panel 112, a rear panel 113, a left side panel 114, a right side panel 115 and an upper cover 116. The bottom panel, front panel 112, rear panel 113, left side panel 114, right side panel 115, and top cover 116 enclose a cavity 14 for the battery pack 20.
Referring to fig. 2 to 6, when the case body 11 is integrally formed, for example, by a sheet metal process, the front panel 112 and the rear panel 113 are respectively connected to the front side and the rear side of the bottom panel, and the front panel 112, the rear panel 113 and the rear panel are integrally formed by sheet metal (as shown in the drawings), and the left side panel 114 and the right side panel 115 are respectively connected and fixed to the front panel 112, the rear panel 113 and the bottom panel by fasteners including but not limited to screws, pins, rivets, clamping members, or by bonding, welding, and the like. In this embodiment, the three sides of the left side plate 114 are respectively connected and fixed with the front panel 112, the rear panel 113 and the bottom panel by a plurality of second fasteners, and similarly, the three sides of the right side plate 115 are respectively connected and fixed with the front panel 112, the rear panel 113 and the bottom panel by a plurality of second fasteners.
Referring to fig. 9 to 14, when the case body 11 is integrally formed, for example, by a die casting process, specifically, the front panel 112, the rear panel 113, the left side panel 114, the right side panel 115, and the bottom panel are integrally formed by a die casting process. In addition, the upper cover 116 is disposed at a distance from the bottom panel, and is connected and fixed to the front panel 112, the rear panel 113, the left side panel 114, and the right side panel 115 by fasteners including, but not limited to, screws, pins, rivets, and fastening members, that is, the upper cover 116 is detachably disposed on the case body 11, so as to be detached according to actual requirements, thereby performing various operations such as replacement and maintenance on the battery pack 20.
Referring to fig. 4 to 8, fig. 4 shows an exploded structural view of the structure shown in fig. 3. Fig. 5 shows a structural view of the heat conductive wall 111 and the liquid cooling pipe 13 in the structure shown in fig. 4. Fig. 6 shows an exploded structural view of the structure shown in fig. 3. Fig. 7 shows a cross-sectional structural view of the structure shown in fig. 3. Fig. 8 shows an enlarged structural view of the structure shown in fig. 7 at a. In one embodiment, the supporting plate 12 is provided with a first groove 121 concavely arranged far away from the heat conducting wall 111, and the first groove 121 and the heat conducting wall 111 are mutually abutted and matched to form a mounting channel. The liquid cooling pipe 13 is arranged in the first groove 121 in a penetrating way, so that the liquid cooling pipe 13 can be stably installed in the box body 11. In addition, the heat conducting wall 111 does not need to be provided with a groove, and can be flexibly adjusted and arranged into various shapes according to actual requirements, for example, the heat conducting wall can be arranged into a plane or any other shape. In this embodiment, the heat conducting wall 111 is, for example, a flat wall, which is adapted to the shape of the bottom surface of the battery pack 20, and achieves sufficient heat conducting contact with the battery pack 20, thereby having better heat dissipation performance.
Referring to fig. 12 to 16, fig. 12 shows an exploded structural view of the structure shown in fig. 11. Fig. 13 shows a view of the structure of the heat conductive wall 111 in the structure shown in fig. 12. Fig. 14 shows an exploded structural view of the structure shown in fig. 11. Fig. 15 shows a cross-sectional structural view of the structure shown in fig. 11. Fig. 16 shows an enlarged structural view of the structure shown in fig. 15 at B. In one embodiment, the heat conducting wall 111 is provided with a second groove 1111 recessed away from the supporting plate 12, and the second groove 1111 and the supporting plate 12 are mutually abutted and matched to form a mounting channel. The heat conducting wall 111 is specifically obtained by, for example, integrally molding through a die casting process, and in the process of obtaining the box body 11 through the die casting process, the second groove 1111 facing to the recess far from the supporting plate 12 can be conveniently formed on the heat conducting wall 111, and meanwhile, the groove is not required to be formed on the supporting plate 12, so that the processing efficiency can be improved. In addition, a side surface of the heat conducting wall 111 facing the battery pack 20 is, for example, a flat wall surface, so as to adapt to the bottom surface shape of the battery pack 20, achieve sufficient heat conducting contact with the battery pack 20, and have good heat dissipation performance.
In one embodiment, the tray 12 is provided with a first recess 121 recessed away from the thermally conductive wall 111, and the thermally conductive wall 111 is provided with a second recess 1111 recessed away from the tray 12. The first groove 121 is adapted to the second groove 1111 and is in abutting engagement with each other to form a mounting channel.
Referring to fig. 4 and 8, or referring to fig. 12 and 16, in one embodiment, the liquid cooling chassis 10 further includes a first heat-conductive adhesive 16. The first heat conductive adhesive 16 is filled between the heat conductive wall 111 and the outer wall surface of the liquid cooling pipe 13. The liquid cooling pipe 13 includes, but is not limited to, pipe members having various regular shapes and irregular shapes such as circular and elliptical axial cross sections, and in the present embodiment, the liquid cooling pipe 13 is expanded by taking a circular pipe having a circular axial cross section as an example, but is not limited thereto. Whether the heat-conducting wall 111 is formed with the second groove 1111 recessed far from the liquid-cooling tube 13, the liquid-cooling tube 13 is in line contact with the wall surface of the heat-conducting wall 111, that is, the contact area with the wall surface of the heat-conducting wall 111 is small, and the first heat-conducting glue 16 is arranged between the circular tube and the wall surface of the heat-conducting wall 111, so that the first heat-conducting glue 16 can be filled in the gap between the outer wall of the circular tube and the wall surface of the heat-conducting wall 111, which is equivalent to increasing the contact area between the liquid-cooling tube 13 and the heat-conducting wall 111, thereby improving the heat-conducting effect; in addition, the first heat-conducting glue 16 has the bonding and fixing effects on the liquid cooling pipe 13, so that the installation stability of the liquid cooling pipe 13 is improved; in addition, when the first heat-conducting glue 16 is fixed and molded, the first heat-conducting glue has certain elasticity, and can play a role in damping and buffering protection on the liquid cooling pipe 13.
Referring to fig. 4 and 8, or referring to fig. 12 and 16, in some embodiments, the first heat-conducting glue 16 is uniformly coated on a side of the liquid cooling tube 13 facing the heat-conducting wall 111 along the extending direction of the liquid cooling tube 13, so that it is beneficial to uniformly fill the first heat-conducting glue 16 in the gap between the outer wall of the circular tube and the wall surface of the heat-conducting wall 111, and has better heat-conducting property, and can effectively improve the heat conductivity coefficient of the mounting side of the battery pack 20.
In some embodiments, the first heat-conductive glue 16 includes, but is not limited to, a two-component glue having a corresponding coefficient of thermal conductivity formed by mixing glue A and glue B in a certain ratio. The heat-conducting glue flows towards gaps on two sides when being heated or extruded, can fill the gaps to achieve a heat-conducting effect, plays a role in bonding and fixing the liquid cooling pipe 13, has certain elasticity after solidification, can play a role in protecting the liquid cooling pipe 13 from shock absorption and buffering, and in addition, compared with single-component glue, the heat-conducting glue formed by mixing the double-component glue can effectively shorten the solidification time.
Wherein, the glue A is the glue, and is generally composed of materials such as resin, plasticizer and the like, the glue B is a hardener, and is generally composed of materials such as a curing agent, a filler, a diluent and the like. The mixing ratio of the glue A and the glue B is flexibly adjusted and set according to actual requirements, specifically, the mixing ratio of the glue A and the glue B includes but is not limited to 1:1, 2:1, 1:2 and the like, and is specifically determined according to the specific properties of the selected glue, and the method is not limited.
Referring to fig. 4 and 8, or referring to fig. 12 and 16, in one embodiment, the liquid cooling tube 13 is in line contact with the pallet 12, and two sides of the liquid cooling tube 13 are respectively formed with air-filled spaces 17 with the pallet 12. Thus, the contact area between the liquid cooling pipe 13 and the supporting plate 12 is small, and the heat conduction efficiency of the air is extremely low, so that the external heat is difficult to be conducted to the liquid medium in the liquid cooling pipe 13, a certain heat insulation effect is achieved, and the product cannot be negatively influenced.
In some embodiments, the liquid cooling module is composed of the supporting plate 12, the liquid cooling tube 13, the heat conducting wall 111, the first heat conducting glue 16 and other parts, and can flexibly configure and adjust the metal materials and the heat conducting glue materials with different heat conductivity coefficients according to heat dissipation requirements, so that the design is more flexible, a large number of design redundancies are avoided, and the cost is lower.
In one embodiment, the tank body 11 is integrally formed by a sheet metal process or by a die casting process.
In one embodiment, the two ends of the liquid-cooled tube 13 protrude outside the mounting channel. In this way, the end portion of the liquid cooling pipe 13 protrudes outside the installation passage, and can be easily connected to an external coolant supply device. Of course, as an alternative, the end of the liquid cooling tube 13 may not extend outside the installation channel, but may be disposed inside the installation channel, and the external coolant supply device may be configured with a plug, and the external coolant supply device may be connected to the end of the liquid cooling tube 13 in a butt-joint manner after extending into the installation channel.
Referring to fig. 3 to 5 or fig. 10 to 13, in some embodiments, the two ends of the liquid cooling tube 13 are formed into the connecting nozzle 131 by stamping, specifically, but not limited to, various forms of connecting nozzle 131 are obtained by various manners such as expansion and contraction. That is, the connecting nozzle 131 and the liquid cooling tube 13 are integrally formed, so that the reliability is high, the water nozzle is not required to be independently arranged, the manufacturing cost is low, and the liquid leakage caused by the splicing gap is eliminated.
In some alternative solutions, the end of the liquid cooling tube 13 is configured as a split structure with the connection nozzle 131, including but not limited to, connection by various manners such as clamping, welding, screwing, etc., specifically, the liquid cooling tube can be flexibly adjusted and set according to actual needs, which is not limited herein.
In one embodiment, the wall thickness of the liquid-cooled tube 13 includes, but is not limited to, 0.2mm-2mm. Thus, the liquid cooling pipe 13 is manufactured without thick and thin machining, and is made of thin materials, so that the weight is lighter, and the cost is lower.
In some embodiments, the liquid-cooled tube 13 is, for example, a metal tube, including but not limited to, an aluminum tube, a copper tube, a stainless steel tube, etc., having good heat conducting properties.
In some embodiments, the tank body 11 includes, but is not limited to, being configured as a metal tank or a non-metal tank. Specifically, the case body 11 is made of metal, and has sufficient strength, and the heat conduction wall 111 has a good heat conduction effect when made of metal. The pallet 12 may be a metal plate or a non-metal plate, and is not limited thereto.
Referring to fig. 2, fig. 4 and fig. 8, or referring to fig. 10, fig. 12 and fig. 16, in one embodiment, an energy storage device includes the liquid cooling chassis 10 of any of the above embodiments, and further includes a battery pack 20 disposed inside the chamber 14, where the battery pack 20 and the heat conducting wall 111 are abutted against each other.
The above-mentioned energy storage device, the curved pipe that the liquid cooling pipe 13 formed of bending integratively is adopted, and wear to locate layer board 12 and heat conduction wall 111 cooperation to be formed into the installation passageway, during the use, liquid cooling pipe 13 lets in coolant, the heat of the battery package 20 of installing in cavity 14 loops through heat conduction wall 111 and liquid cooling pipe 13 and is taken away by coolant, realize the cooling function, namely can replace the liquid cooling board in the correlation technique through the combination form of liquid cooling pipe 13, heat conduction wall 111 and layer board 12, compare in the liquid cooling board in the correlation technique, need not to adopt the mode of cutting to form the water conservancy diversion passageway, thereby can realize no cutting and remain, the leakproofness can promote, processing technology is simpler, machining efficiency improves, manufacturing cost reduces.
Referring to fig. 2, 4 and 8, or referring to fig. 10, 12 and 16, in one embodiment, the energy storage device further includes a second heat-conducting glue 30 disposed inside the chamber 14. The second heat conductive adhesive 30 is located between the heat conductive wall 111 and the battery pack 20. Specifically, the second heat conductive adhesive 30 includes, but is not limited to, at least one heat conductive adhesive sheet, a heat conductive adhesive block, a heat conductive adhesive tape, and the like. Thus, not only can the battery pack 20 be firmly connected to the inside of the chamber 14, but also the heat dissipation effect can be increased.
It should be noted that, the "heat-conducting wall 111" may be "a part of the case body 11", that is, "the heat-conducting wall 111" is integrally formed with "other parts of the case body 11"; or a separate member which is separable from the other portion of the case body 11, that is, the heat conductive wall 111 may be manufactured separately and then combined with the other portion of the case body 11 into one body.
In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.
In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (10)
1. A liquid-cooled chassis, the liquid-cooled chassis comprising:
the battery pack comprises a box body, a battery pack and a battery pack, wherein the box body is formed with a cavity for accommodating the battery pack and comprises a heat conducting wall;
the supporting plate is positioned outside the box body and connected with the heat conducting wall, and an installation channel is formed by matching the supporting plate with the heat conducting wall; and
The liquid cooling pipe penetrates through the installation channel and is tightly abutted against the heat conducting wall, and the liquid cooling pipe is a bent pipe formed by integrally bending.
2. The liquid cooling chassis according to claim 1, wherein the supporting plate is provided with a first groove concavely arranged far from the heat conducting wall, and the first groove and the heat conducting wall are mutually abutted and matched to form the mounting channel; or the heat conducting wall is provided with a second groove concavely arranged towards the direction far away from the supporting plate, and the second groove and the supporting plate are mutually in abutting fit to form the mounting channel; or, the supporting plate is provided with a first groove which is concavely arranged towards and far away from the heat conducting wall, the heat conducting wall is provided with a second groove which is concavely arranged towards and far away from the supporting plate, and the first groove and the second groove are adaptive and mutually abutted and matched to form the mounting channel.
3. The liquid cooling chassis of claim 2, further comprising a first thermally conductive glue filled between the thermally conductive wall and an outer wall surface of the liquid cooling tube.
4. The liquid cooling chassis of claim 3, wherein the first heat-conducting glue is uniformly coated on a side of the liquid cooling tube facing the heat-conducting wall along the extending direction of the liquid cooling tube.
5. The liquid cooling chassis according to claim 3, wherein the liquid cooling pipe is in line contact with the pallet, and both sides of the liquid cooling pipe are respectively formed with air-filled spaces with the pallet.
6. The liquid cooling chassis of claim 2, wherein the chassis body is integrally formed by a sheet metal process or by a die casting process.
7. The liquid cooling chassis according to claim 1, wherein both ends of the liquid cooling pipe extend to the outside of the installation channel; and/or the two ends of the liquid cooling pipe are formed into connecting nozzles in a stamping mode.
8. The liquid cooled chassis of any of claims 1 to 7, wherein the liquid cooled tube is a tube with a circular or oval cross-section; the pipe wall thickness of the liquid cooling pipe is 0.2mm-2mm.
9. An energy storage device, comprising the liquid cooling chassis according to any one of claims 1 to 8, and further comprising a battery pack disposed inside the chamber, wherein the battery pack and the heat conducting wall are abutted against each other.
10. The energy storage device of claim 9, further comprising a second thermally conductive gel disposed within the chamber, the second thermally conductive gel being located between the thermally conductive wall and the battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311827149.2A CN117477107A (en) | 2023-12-28 | 2023-12-28 | Liquid cooling machine case and energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311827149.2A CN117477107A (en) | 2023-12-28 | 2023-12-28 | Liquid cooling machine case and energy storage device |
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| Publication Number | Publication Date |
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| CN117477107A true CN117477107A (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311827149.2A Pending CN117477107A (en) | 2023-12-28 | 2023-12-28 | Liquid cooling machine case and energy storage device |
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| CN116960529A (en) * | 2023-09-21 | 2023-10-27 | 厦门海辰储能科技股份有限公司 | Battery pack, energy storage system and electric equipment |
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| CN207587930U (en) * | 2017-12-14 | 2018-07-06 | 浙江吉利汽车研究院有限公司 | Battery pack liquid cooling structure and battery pack |
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