CN218769764U - Liquid cooling assembly and energy storage device - Google Patents
Liquid cooling assembly and energy storage device Download PDFInfo
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- CN218769764U CN218769764U CN202223252993.0U CN202223252993U CN218769764U CN 218769764 U CN218769764 U CN 218769764U CN 202223252993 U CN202223252993 U CN 202223252993U CN 218769764 U CN218769764 U CN 218769764U
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Abstract
The application discloses liquid cooling subassembly and energy memory, the liquid cooling subassembly includes: the liquid cooling plate comprises a first splicing plate, a second splicing plate and a flow passage structure, the second splicing plate and the first splicing plate are oppositely arranged along a first direction and are mutually connected, the first splicing plate and the second splicing plate are jointly spliced to form a cavity, the first direction is along a direction perpendicular to the first splicing plate, and the flow passage structure is positioned in the cavity and arranged on at least one of the first splicing plate and the second splicing plate; the outlet end of the liquid inlet connector penetrates through at least one of the first splicing plate and the second splicing plate and is communicated with the flow channel structure; and the inlet end of the liquid outlet joint penetrates through at least one of the first splicing plate and the second splicing plate and is communicated with the flow passage structure. The scheme can avoid the occurrence of the condition of cutter breakage so as to improve the yield and the processing efficiency and ensure the stable operation of the liquid cooling unit and the energy storage device.
Description
Technical Field
The application relates to the technical field of energy storage, in particular to a liquid cooling assembly and an energy storage device.
Background
In the prior art, a liquid cooling plate is formed by extrusion forming and then sawing in a sawing mode, then a cutter head of a milling cutter is inserted into a cavity of the liquid cooling plate from the side surface, and redundant parts of ribs in the cavity are milled by the milling cutter so as to form a required flow channel structure; however, this type of machining method requires a long time and high machining cost due to process limitations, and also requires milling of the ribs one by one because the milling cutter mills the ribs directly in the thickness direction during machining, which is particularly likely to cause breakage of the cutter, resulting in a reduction in yield.
In addition, because milling cutter stretches into the cavity and carries out processing, the processing metal fillings that remain on the rib can't wash completely when dispatching from the factory after the processing, lead to the long-term operation in-process of back stage coolant liquid, the metal fillings that adhere to on the rib are washed away and are sneaked into the coolant liquid, and the metal fillings gets into the liquid cooling unit along with the coolant liquid, cause the liquid cooling unit to block up the burn-out, have seriously influenced energy memory's operation.
SUMMERY OF THE UTILITY MODEL
A main aim at of this application provides a liquid cooling subassembly and energy memory, compare in the processing mode that utilizes milling cutter to stretch into the cavity of liquid cooling board and mill the rib and cut and form required runner structure, can avoid the disconnected sword condition to appear, thereby can improve the yield, in addition, still can improve the machining efficiency of liquid cooling board, and still can avoid or reduce the condition that mills impurity entering liquid cooling unit, thereby can prolong the life of liquid cooling unit, guarantee energy memory's steady operation.
In order to achieve the purpose of the application, the following technical scheme is adopted in the application:
according to a first aspect of the present application, there is provided a liquid cooling assembly comprising:
the liquid cooling plate comprises a first splicing plate, a second splicing plate and a flow channel structure, the second splicing plate and the first splicing plate are oppositely arranged along a first direction and are mutually connected, and the first splicing plate and the second splicing plate are jointly spliced to form a cavity; the flow channel structure is positioned in the cavity and arranged on at least one of the first splicing plate and the second splicing plate, and the first direction is a direction perpendicular to the first splicing plate;
the outlet end of the liquid inlet joint penetrates through at least one of the first splicing plate and the second splicing plate and is communicated with the flow channel structure;
and the inlet end of the liquid outlet joint penetrates through at least one of the first splicing plate and the second splicing plate and is communicated with the flow channel structure.
In this application embodiment, the liquid cooling board is the built-up part that is assembled each other by first splice plate, second splice plate and runner structure, through designing the liquid cooling board as the built-up part, can be before first splice plate and second splice plate are assembled, required runner structure is processed earlier, then to the runner structure after processing, first splice plate and second splice plate carry out cleaning, afterwards, first splice plate, runner structure and second splice plate are assembled again, in order to form the liquid cooling board, compare in the scheme that carries out runner processing to integrated into one piece's liquid cooling board like this, need not to utilize milling cutter to stretch into the cavity of liquid cooling board and carry out the required runner structure of processing mode formation that mills the rib, can avoid the broken sword condition to appear, can more audio-visually know whether the runner structure that adds the processing meets the demands, thereby can improve the yield, furthermore, still, the machining efficiency of liquid cooling board, and still can avoid or reduce the condition that the milling impurity gets into the liquid cooling unit, thereby can prolong the life of liquid cooling unit, guarantee energy memory device's steady operation.
According to an embodiment of the application, the first splice plate comprises a main plate and fixed ribs, the fixed ribs are convexly arranged on two opposite sides of the main plate in a second direction, and the second direction is intersected with the first direction;
the second splice plate is located on one side, far away from the main plate, of the fixed rib and is connected with the fixed rib, and the main plate, the second splice plate and the fixed rib are assembled together to form the cavity.
In this application embodiment, can only set up fixed muscle at first splice plate, when guaranteeing that first splice plate and second splice plate assemble jointly in order to form the cavity like this, still can simplify the structure of second splice plate, for example: the surface of the second splice plate facing the first splice plate can be designed as a plane, namely: the second splice plate can be of a flat plate structure, so that the design difficulty of the second splice plate can be reduced, and the processing cost can be reduced.
According to an embodiment of the present application, the liquid cooling plate further includes a first plug and a second plug, the second plug and the first plug are disposed opposite to each other at an interval along a third direction and are all abutted against a cavity wall of the cavity, and the third direction, the second direction and the first direction intersect each other;
the flow channel structure is positioned between the first plug and the second plug and comprises a blocking rib, a plurality of first flow channel ribs and a plurality of second flow channel ribs, one end of the blocking rib is abutted against the first plug, the other end of the blocking rib is arranged at intervals with the second plug to form a backflow port, and the first flow channel ribs and the second flow channel ribs are arranged at intervals with the first plug and the second plug; the plurality of first flow channel ribs are arranged at intervals in the second direction, liquid inlet flow channels are formed between the adjacent first flow channel ribs, the liquid inlet flow channels are positioned on the first sides of the blocking ribs along the second direction, the plurality of second flow channel ribs are arranged at intervals in the second direction, liquid outlet flow channels are formed between the adjacent second flow channel ribs, the liquid outlet flow channels are positioned on the second sides of the blocking ribs along the second direction and are communicated with the liquid inlet flow channels through the backflow ports;
the outlet end of the liquid inlet joint is positioned between the first plug and the first flow channel rib;
the inlet end of the liquid outlet joint is positioned between the first plug and the second flow channel rib.
In the embodiment of the application, can carry out the subregion to the flow path structure through setting up the fender muscle, specifically divide into the liquid district and go out the liquid district, and set up a plurality of first runner muscle in the liquid district, in order to form a plurality of feed liquor runners that set up side by side, set up a plurality of second runner muscle in going out the liquid district, in order to form a plurality of play liquid runners that set up side by side, utilize a plurality of runners to shunt the coolant liquid, in order to improve the flow area of coolant liquid, in order to improve the heat exchange area of liquid-cooled plate, then can improve the cooling efficiency who treats the cooling piece. The blocking ribs and the second plugs are arranged at intervals to form backflow ports, and the backflow ports are communicated with the liquid inlet flow channel and the liquid outlet flow channel to achieve backflow of cooling liquid in the liquid cooling plate.
According to an embodiment of the present application, a distance between the first flow channel rib close to the outlet end of the liquid inlet joint and the first plug is smaller than a distance between the first flow channel rib far away from the outlet end of the liquid inlet joint and the first plug;
the distance between the first flow channel rib close to the blocking rib and the second plug is larger than the distance between the first flow channel rib far away from the blocking rib and the second plug;
the distance between the second flow channel rib close to the inlet end of the liquid outlet joint and the first plug is smaller than the distance between the second flow channel rib far away from the inlet end of the liquid outlet joint and the first plug;
the distance between the second flow channel rib close to the blocking rib and the second plug is larger than the distance between the second flow channel rib far away from the blocking rib and the second plug.
In the embodiment of the application, the distance between the first flow channel rib close to the outlet end of the liquid inlet joint and the first plug is designed to be smaller than the distance between the first flow channel rib far away from the outlet end of the liquid inlet joint and the first plug, and the distance between the second flow channel rib close to the inlet end of the liquid outlet joint and the first plug is designed to be smaller than the distance between the second flow channel rib far away from the inlet end of the liquid outlet joint and the first plug; therefore, the whole area defined between each first flow channel rib and the first plug and the whole area defined between each second flow channel rib and the first plug can be designed into a throttling area, so that the uniformity of the flow of each flow channel is ensured, and the heat exchange effect of the liquid cooling plate is improved.
In addition, the distance between the first flow channel rib close to the blocking rib and the second plug is designed to be larger than the distance between the first flow channel rib far away from the blocking rib and the second plug, so that the possibility that the cooling liquid is blocked by the first flow channel rib of the adjacent liquid inlet flow channel when flowing into the backflow port can be reduced, the flow collection and the flow redistribution of the cooling liquid at the backflow port can be facilitated, the distance between the second flow channel rib close to the blocking rib and the second plug is designed to be larger than the distance between the second flow channel rib far away from the blocking rib and the second plug, the possibility that the cooling liquid is blocked by the second flow channel rib of the adjacent liquid outlet flow channel when being distributed from the backflow port to each liquid outlet flow channel can be reduced, the cooling liquid at the backflow port can flow into each liquid outlet flow channel, and the heat exchange capacity of the liquid cooling plate can be improved.
According to an embodiment of the present application, the fixing rib, the blocking rib, the first flow channel rib, and the second flow channel rib are integrally formed with the main plate; and the fixed ribs, the blocking ribs, the first flow channel ribs, the second flow channel ribs and the second splicing plates are welded in a sealing mode.
In the embodiment of this application, through with fixed muscle, fender muscle, first flow channel muscle, second flow channel muscle and mainboard integrated into one piece, promptly: runner structure and first splice plate integrated into one piece, the equipment step of reducible liquid cooling board improves the packaging efficiency, and with second splice plate and fixed muscle, keep off sealed weld between muscle, first runner muscle, the second runner muscle, promptly: the second splice plate is connected with the flow channel structure and the first splice plate in a welding mode, connection reliability is guaranteed, meanwhile, compared with a scheme that fasteners such as bolts are used for connection, sealing performance is good, assembly efficiency can be further improved, and production efficiency is improved.
According to an embodiment of this application, the runner structure includes the runner muscle, the runner muscle end to end is the closed form, just the runner that the runner muscle encloses has inlet, liquid outlet and snakelike runner, the inlet with liquid inlet joint sealing connection, the liquid outlet with go out liquid joint sealing connection, snakelike runner locates the inlet with between the liquid outlet, and communicate the inlet with go out liquid.
In this application embodiment, enclose into the runner that is used for the coolant liquid to flow through the runner muscle that links to each other end to end and be the confined form, when making the runner structure, can adopt the panel beating to bend or panel beating blanking mode preparation forms like this, reduces machining's participation, perhaps accomplishes the condition that need not machining, and the processing cost reduces by a wide margin, is favorable to mass production to form. In addition, the flow area of the cooling liquid can be increased by adopting the serpentine flow channel design, so that the heat exchange area of the liquid cooling plate can be increased, and the cooling efficiency of the part to be cooled can be improved.
According to an embodiment of the present application, the first splice plate and the first wall surface of the flow channel structure in the first direction are welded and sealed, and the second splice plate and the second wall surface of the flow channel structure in the first direction are welded and sealed.
In the embodiment of the application, the first splicing plate, the second splicing plate and the flow channel structure are formed independently, and then are welded together in an assembling mode, so that the design and processing difficulty can be reduced, and the production efficiency is improved. In addition, the runner structure is independently arranged relative to the first splicing plate and the second splicing plate, so that when the runner structure is adjusted according to actual conditions, the runner structure can be only independently adjusted and designed, and the first splicing plate and the second splicing plate can be designed without redesigning, so that the adjustment difficulty and the design cost of the liquid cooling plate can be reduced.
According to an embodiment of the present application, the first splice plate and the flow channel structure are integrally formed, and the second splice plate and the second wall surface of the flow channel structure in the first direction are welded and sealed; or
The first splicing plate and the first wall surface of the flow channel structure in the first direction are welded and sealed, and the second splicing plate and the flow channel structure are integrally formed.
In this application embodiment, through with runner structure and a splice plate integrated into one piece, the equipment step of reducible liquid cooling board improves the packaging efficiency, and another splice plate adopts welding mode to be connected with the runner structure, when guaranteeing to connect the reliability, compares in the scheme that adopts fasteners such as bolts to connect, and sealing performance is good, and still can further improve the packaging efficiency, improves production efficiency then.
According to an embodiment of the application, the flow channel structure comprises a first flow channel splicing portion and a second flow channel splicing portion which are opposite in the first direction, the first flow channel splicing portion is arranged on one side of the first splicing plate facing the second splicing plate and integrally formed with the first splicing plate, the second flow channel splicing portion is arranged on one side of the second splicing plate facing the first splicing plate and integrally formed with the second splicing plate, and the first flow channel splicing portion and the second flow channel splicing portion are aligned and welded in a sealing mode to jointly assemble and form the flow channel structure.
In the embodiment of the application, two runner splice parts of runner structure accessible are counterpointed and are assembled the constitution, through with first runner splice part and first splice plate integrated into one piece, second runner splice part and second splice plate integrated into one piece, can realize assembling of runner structure when first splice plate splices the equipment with the second splice plate, thereby can improve the packaging efficiency, in addition, through setting up partly runner splice part on the first splice plate, set up another part runner splice part on the second splice plate, can be with first runner splice part and first splice plate integrated into one piece's first mosaic structure like this, design for the looks isostructure with second runner splice part and second splice plate integrated into one piece's second mosaic structure, namely: first mosaic structure and second mosaic structure can adopt same processing tool integrated into one piece respectively to reduce the processing cost, improve machining efficiency, be favorable to realizing the mass production.
According to an embodiment of the present application, one of the first splice plate and the second splice plate has a first avoidance hole and a second avoidance hole penetrating therethrough, the first avoidance hole and the second avoidance hole are arranged at an interval in a second direction, and the second direction intersects with the first direction;
the outlet end of the liquid inlet connector penetrates through the first avoiding hole and is communicated with the flow channel structure, and the inlet end of the liquid outlet connector penetrates through the second avoiding hole and is communicated with the flow channel structure.
In the embodiment of the application, set up on same splice plate through the hole of dodging that will be used for dodging the liquid inlet joint and go out the liquid joint, another splice plate then can need not set up this hole of dodging, in order to simplify the design complexity of another splice plate, reduce the processing cost, furthermore, another splice plate has reduced the step of seting up the hole of dodging, can improve machining efficiency, in addition, through the hole of dodging that will be used for dodging the liquid inlet joint and go out the liquid joint set up on same splice plate, still can be convenient for set up the port that is used for being connected with the liquid cooling unit in the liquid inlet joint and the liquid joint in same one side, namely: the inlet end of the liquid inlet joint and the outlet end of the liquid outlet joint are arranged on the same side of the liquid cooling plate, so that the liquid inlet joint and the liquid outlet joint can be conveniently assembled with an external liquid cooling unit, and the assembling efficiency can be improved.
According to an embodiment of the application, a first mounting plate which is arranged in a protruding manner in a direction away from the second splicing plate is arranged at the bottom of the first splicing plate, a second mounting plate which is arranged in a protruding manner in a direction away from the first splicing plate is arranged at the bottom of the second splicing plate, and the first mounting plate and the second mounting plate are used for supporting a piece to be cooled;
and the bottoms of the first mounting plate and the second mounting plate are provided with guide lugs which are used for being in sliding fit with guide grooves of the external support.
In the embodiment of the application, can make through setting up first mounting panel and second mounting panel and treat that the cooling piece supports on the liquid cooling subassembly to the messenger treats that the cooling piece can constitute a whole with the liquid cooling subassembly and installs with structures such as outside support again, improves the installation effectiveness, in addition, through setting up the guide lug with the bottom of first mounting panel and second mounting panel, this guide lug can with the guide way sliding fit of outside support, so that realize liquid cooling subassembly and outside support location installation.
The present disclosure provides an energy storage device, which includes:
at least two battery cells arranged in a first direction;
at least one as above-mentioned arbitrary liquid cooling subassembly, the liquid cooling board of liquid cooling subassembly is located two between the battery monomer and with the battery monomer is laminated mutually.
In the embodiment of the application, the first splice plate and the second splice plate of liquid cooling board can laminate mutually with battery monomer, when the coolant liquid circulated in getting into the runner structure from the liquid inlet joint, the first splice plate of accessible and the second splice plate carry out the heat exchange with battery monomer, then the rethread goes out liquid joint and flows to the realization dispels the heat to battery monomer, thereby can improve the free safety in utilization of battery, then improve energy memory's safety in utilization. In addition, the liquid cooling plate of the embodiment is an assembly piece formed by mutually assembling a first splicing plate, a second splicing plate and a flow channel structure, the liquid cooling plate is designed into the assembly piece, a required flow channel structure can be processed before the first splicing plate and the second splicing plate are assembled, then the processed flow channel structure, the first splicing plate and the second splicing plate are cleaned, after no impurity is determined, the first splicing plate, the flow channel structure and the second splicing plate are assembled to form the liquid cooling plate, compared with a scheme for processing the flow channel of the integrally formed liquid cooling plate, a milling mode that a milling cutter extends into a cavity of the liquid cooling plate and mills ribs is not needed to form the required flow channel structure, the occurrence of a cutter breaking condition can be avoided, whether the processed flow channel structure meets the requirement or not can be known more intuitively, the yield can be improved, in addition, the processing efficiency of the liquid cooling plate can be improved, and the situation that impurities enter the liquid cooling unit can be avoided or reduced, the service life of the liquid cooling unit can be prolonged, and the stable operation of the energy storage device can be ensured.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The above and other features and advantages of the present application will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
FIG. 1 is a perspective view of a liquid cooling assembly according to an exemplary embodiment.
FIG. 2 is a schematic plan view of a liquid cooling assembly shown in accordance with an exemplary embodiment at a viewing angle.
FIG. 3 isbase:Sub>A schematic cross-sectional view of the liquid cooling assembly shown in FIG. 2 in the direction A-A.
Fig. 4 is an enlarged structural view of a portion B shown in fig. 3.
FIG. 5 is a schematic plan view of a liquid cooling assembly shown at another perspective according to an exemplary embodiment.
FIG. 6 is a schematic cross-sectional view of the liquid cooling assembly shown in FIG. 5 in the direction C-C.
FIG. 7 is a schematic cross-sectional view of another liquid cooling assembly in accordance with an exemplary embodiment.
Fig. 8 is an enlarged structural view of the F portion shown in fig. 7.
Fig. 9 is an exploded view of a liquid cooling assembly according to an exemplary embodiment.
Fig. 10 is an exploded view of another liquid cooling assembly in accordance with an exemplary embodiment.
FIG. 11 is an exploded view of yet another liquid cooling assembly according to an exemplary embodiment.
Fig. 12 is an enlarged structural view of the D portion shown in fig. 9.
Fig. 13 is an enlarged structural view of the portion E shown in fig. 9.
Fig. 14 is a schematic diagram illustrating an assembled configuration of an energy storage device according to an exemplary embodiment.
Wherein the reference numerals are as follows:
1. a liquid cooling assembly;
10. a liquid-cooled plate;
101. a first splice plate;
1011. a main board; 1012. fixing the ribs;
102. a second splice plate;
1021. a first avoidance hole; 1022. a second avoidance hole;
103. a flow channel structure;
1031. blocking ribs; 1032. a first flow channel rib; 1033. a second flow channel rib; 1034. a return port; 1035. a liquid inlet flow channel; 1036. a liquid outlet flow passage; 1037. a flow channel rib; 10371. a liquid inlet; 10372. a snake-shaped flow passage; 10373. a liquid outlet; 1038. a first flow channel splice; 1039. a second flow channel splice;
104. a first plug;
105. a second plug;
106. a first mounting plate;
107. a second mounting plate;
108. a guide projection;
109. mounting holes;
11. a liquid inlet joint;
110. an outlet end;
12. a liquid outlet joint;
120. an inlet end;
2. a battery cell;
z, a first direction;
y, a second direction;
x, the third direction.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
As shown in fig. 1 and 2, an embodiment of the present application provides a liquid cooling assembly 1, where the liquid cooling assembly 1 may include a liquid cooling plate 10 and at least two liquid cooling joints, and the at least two liquid cooling joints may include an inlet joint 11 and an outlet joint 12.
As shown in fig. 2 to 4, the liquid cooling plate 10 may include a first splice plate 101, a second splice plate 102, and a flow channel structure 103, where the second splice plate 102 and the first splice plate 101 are oppositely disposed and connected to each other along a first direction Z, the first splice plate 101 and the second splice plate 102 are jointly assembled to form a cavity, and the first direction Z is along a direction perpendicular to the first splice plate 101; the flow channel structure 103 is positioned in the cavity and arranged on at least one of the first splicing plate 101 and the second splicing plate 102; as shown in fig. 5 and fig. 6, the outlet end 110 of the liquid inlet joint 11 penetrates through at least one of the first splice plate 101 and the second splice plate 102, and is communicated with the flow channel structure 103; the inlet end 120 of the liquid outlet joint 12 penetrates at least one of the first splice plate 101 and the second splice plate 102 and is communicated with the flow channel structure 103.
In this embodiment, the liquid cooling plate 10 is an assembly formed by mutually assembling the first splice plate 101, the second splice plate 102 and the flow channel structure 103, by designing the liquid cooling plate 10 as an assembly, the required flow channel structure 103 can be processed before the first splice plate 101 and the second splice plate 102 are assembled, then the processed flow channel structure 103, the first splice plate 101 and the second splice plate 102 are cleaned, and then the first splice plate 101, the flow channel structure 103 and the second splice plate 102 are assembled to form the liquid cooling plate 10.
It should be understood that the liquid inlet joint 11 and the inlet end and the outlet end of the liquid outlet joint 12 may be configured to be connected to a liquid cooling unit through a liquid cooling pipeline, the cooling liquid generated by the liquid cooling unit may sequentially enter the flow channel structure 103 through the inlet end and the outlet end 110 of the liquid inlet joint 11, the cooling liquid in the flow channel structure 103 may perform heat exchange with a to-be-cooled element through the first splicing plate 101 and/or the second splicing plate 102, the to-be-cooled element preferably refers to a battery cell 2, as shown in fig. 14, in an operation of the battery cell 2, heat is generated and transferred through contact between the first splicing plate 101 and the second splicing plate 102, the heat is taken away by the flowing of the cooling liquid in the flow channel structure 103, so as to dissipate heat of the to-be-cooled element, and then the cooling liquid after heat exchange may sequentially flow back to the liquid cooling unit through the inlet end 120 and the outlet end of the liquid outlet joint 12.
The specific assembling form of the first splicing plate 101, the flow channel structure 103 and the second splicing plate 102 can refer to the following embodiments:
the first embodiment: the first splice plate 101 and the first wall surface of the flow channel structure 103 in the first direction Z are welded and sealed, and the second splice plate 102 and the second wall surface of the flow channel structure 103 in the first direction Z are welded and sealed.
In the embodiment of the application, the first splicing plate 101, the second splicing plate 102 and the flow channel structure 103 are formed independently, and then are assembled and welded together, so that the design and processing difficulty can be reduced, and the production efficiency can be improved. In addition, the flow channel structure 103 is independently arranged relative to the first splicing plate 101 and the second splicing plate 102, so that when the flow channel structure 103 is adjusted according to actual conditions, only the flow channel structure 103 can be independently adjusted and designed, and the first splicing plate 101 and the second splicing plate 102 do not need to be redesigned, so that the adjustment difficulty and the design cost of the liquid cooling plate 10 can be reduced.
The second embodiment: the first splicing plate 101 and the flow channel structure 103 are integrally formed, and the second splicing plate 102 and the second wall surface of the flow channel structure 103 in the first direction Z are welded and sealed; or the first splice plate 101 and the first wall surface of the flow channel structure 103 in the first direction Z are welded and sealed, and the second splice plate 102 and the flow channel structure 103 are integrally formed.
In this application embodiment, through with runner structure 103 and a splice plate integrated into one piece, the equipment step of reducible liquid cooling board 10 improves the packaging efficiency, and another splice plate adopts the welding mode to be connected with runner structure 103, when guaranteeing to connect the reliability, compares in the scheme that adopts fasteners such as bolts to connect, and sealing performance is good, and still can further improve the packaging efficiency, then improves production efficiency.
A third embodiment: as shown in fig. 7 and 8, the flow channel structure 103 includes a first flow channel splicing portion 1038 and a second flow channel splicing portion 1039 opposite to each other in the first direction Z, the first flow channel splicing portion 1038 is disposed on one side of the first splicing plate 101 facing the second splicing plate 102 and is integrally formed with the first splicing plate 101, the second flow channel splicing portion 1039 is disposed on one side of the second splicing plate 102 facing the first splicing plate 101 and is integrally formed with the second splicing plate 102, and the first flow channel splicing portion 1038 and the second flow channel splicing portion 1039 are aligned and sealed and welded to form the flow channel structure 103 through joint assembly.
In the embodiment of the present application, the composition is assembled to two runner splice portions of runner structure 103 accessible, through assembling first runner splice portion 1038 and first splice plate 101 integrated into one piece, second runner splice portion 1039 and second splice plate 102 integrated into one piece, can realize assembling of runner structure 103 when first splice plate 101 splices the equipment with second splice plate 102, thereby can improve the packaging efficiency, in addition, through setting up partly runner splice portion on first splice plate 101, set up another part runner splice portion on the second splice plate 102, can be with first runner splice portion 1038 and first splice plate 101 integrated into one piece's first mosaic structure like this, be the looks isostructure with second runner splice portion 1039 and second splice plate 102 integrated into one piece's second splice structure design, namely: first mosaic structure and second mosaic structure can adopt same processing tool integrated into one piece respectively to reduce the processing cost, improve machining efficiency, be favorable to realizing the mass production.
Wherein, refer to fig. 3, fig. 5 and fig. 6 to show, first splice plate 101 can include mainboard 1011 and fixed muscle 1012, mainboard 1011 all protruding fixed muscle 1012 that is equipped with in the relative both sides on second direction Y of mainboard 1011, second splice plate 102 be located fixed muscle 1012 keep away from mainboard 1011 one side and with fixed muscle 1012 interconnect to the realization with first splice plate 101 interconnect, wherein, mainboard 1011, second splice plate 102 and fixed muscle 1012 assemble the formation cavity jointly.
In the embodiment of the present application, only the first splicing plate 101 may include the fixing rib 1012, so that the structure of the second splicing plate 102 can be simplified while ensuring that the first splicing plate 101 and the second splicing plate 102 are jointly spliced to form the cavity, for example: the surface of the second splice plate 102 facing the first splice plate 101 can be designed as a plane, i.e.: the second splice plate 102 can be a flat plate structure, so that the design difficulty of the second splice plate 102 can be reduced, and the processing cost can be reduced; the main board 1011 of the first splice plate 101 may also be a flat structure.
In some other embodiments, the first splice plate 101 and the second splice plate 102 can also be arranged the same, namely: first splice plate 101 and second splice plate 102 all can be for forming U type structure by mainboard and the fixed muscle in both sides, then counterpoint assemble and weld together to form the cavity, through designing into first splice plate 101 the same with second splice plate 102, usable same set of processing equipment is processed respectively the preparation like this, with reduction cost of manufacture.
Referring to fig. 5 and 6, two ends of the cavity formed by assembling the first splice plate 101 and the second splice plate 102 in the third direction X may be open, in order to achieve the sealing of the cavity and the smoothness of the liquid cooling plate 10, the liquid cooling plate 10 may further include a first plug 104 and a second plug 105, the second plug 105 and the first plug 104 are disposed opposite to and spaced from each other along the third direction X, and are all abutted against the cavity wall of the cavity, because the cavity is assembled by the fixing rib 1012, the main plate 1011 and the first splice plate 101, the cavity wall of the cavity is formed by an inner wall surface of the fixing rib 1012, the main plate 1011 faces the wall surface of the first splice plate 101, and the first splice plate 101 faces the wall surface of the main plate 1011, that is, the first plug 104 and the second plug 105 may be located in the cavity, and abut against the inner wall surface of the fixing rib 1012, the main plate 1011 faces the wall surface of the first splice plate 101, and the wall surface of the first splice plate 101 faces the main plate 1011, and may be fixedly connected by welding or the like.
In an alternative embodiment, the flow channel structure 103 of this embodiment may include a plurality of elongated flow channels arranged side by side, in this case, in order to realize the sealing of the flow channel structure 103, the cavity needs to be sealed by the first plug 104 and the second plug 105, that is: the flow channel structure 103 is located between the first plug 104 and the second plug 105.
In detail, referring to fig. 3 to 9, the flow channel structure 103 of this embodiment includes a blocking rib 1031, a plurality of first flow channel ribs 1032 and a plurality of second flow channel ribs 1033, one end of the blocking rib 1031 abuts against the first plug 104, the other end of the blocking rib 1031 and the second plug 105 are spaced to form a backflow port 1034, the first flow channel ribs 1032 and the second flow channel ribs 1033 are both spaced from the first plug 104 and the second plug 105, the plurality of first flow channel ribs 1032 are spaced in the second direction Y, a liquid inlet flow channel 1035 is formed between adjacent first flow channel ribs 1032, the liquid inlet flow channel 1035 is located on a first side of the blocking rib 1031 along the second direction Y, the plurality of second flow channel ribs 1033 are spaced in the second direction Y, a liquid outlet flow channel 1036 is formed between adjacent second flow channel ribs 1033, the liquid outlet flow channel 1036 is located on a second side of the blocking rib 1031 along the second direction Y, and is communicated with the liquid inlet channel 1034 through the backflow port; the outlet end of the liquid inlet joint 11 is positioned between the first plug 104 and the first flow channel rib 1032; the inlet end of the liquid outlet connector 12 is located between the first plug 104 and the second flow channel rib 1033.
In other words, the rib 1031 divides the entire flow path structure 103 into two regions: the liquid inlet area is provided with a plurality of liquid inlet flow channels 1035, the liquid outlet area is provided with a plurality of liquid outlet flow channels 1036, and the liquid inlet flow channels 1035 of the liquid inlet area and the liquid outlet flow channels 1036 of the liquid outlet area are communicated with a backflow port 1034 formed by the second plug 105 through the blocking ribs 1031.
The area between the first flow channel rib 1032 and the first plug 104 can be defined as an inflow area, the area between the second flow channel rib 1033 and the first plug 104 can be defined as an outflow area, and the area between the first flow channel rib 1032 and the second plug 105 is communicated with the area between the second flow channel rib 1033 and the second plug 105 through the backflow port 1034 to form a backflow area together, so that when cooling is performed, cooling liquid generated by the liquid cooling unit can enter the inflow area through the liquid inlet connector 11 and then flow to each liquid inlet channel 1035 to flow to the backflow area, and the cooling liquid concentrated in the backflow area flows to each liquid outlet channel 1036 to flow to the outflow area and then flows back to the liquid cooling unit through the liquid outlet connector 12.
In the embodiment of the application, can carry out the subregion to flow path structure 103 through setting up fender muscle 1031, specifically divide into the liquid district and go out the liquid district, and set up a plurality of first runner muscle 1032 in the liquid district, with form a plurality of feed liquor runners 1035 that set up side by side, set up a plurality of second runner muscle 1033 in going out the liquid district, with form a plurality of play liquid runners 1036 that set up side by side, utilize a plurality of runners to shunt the coolant liquid, with the flow area who improves the coolant liquid, thereby can improve the heat exchange area of liquid-cooled plate 10, then can improve the cooling efficiency who treats the cooling piece. The blocking rib 1031 and the second plug 105 are disposed at an interval to form a backflow port 1034, and the backflow port 1034 is communicated with the liquid inlet flow passage 1035 and the liquid outlet flow passage 1036 to realize backflow of the cooling liquid in the liquid cooling plate 10.
Further, as shown in fig. 6 and fig. 9, the distance between the first flow channel rib 1032 near the outlet end of the inlet connector 11 and the first plug 104 is smaller than the distance between the first flow channel rib 1032 far from the outlet end of the inlet connector 11 and the first plug 104; the distance between the first flow channel rib 1032 close to the blocking rib 1031 and the second plug 105 is larger than the distance between the first flow channel rib 1032 far from the blocking rib 1031 and the second plug 105; the distance between the second flow channel rib 1033 close to the inlet end of the liquid outlet joint 12 and the first plug 104 is smaller than the distance between the second flow channel rib 1033 far away from the inlet end of the liquid outlet joint 12 and the first plug 104; the distance between the second flow channel rib 1033 close to the blocking rib 1031 and the second plug 105 is larger than the distance between the second flow channel rib 1033 far from the blocking rib 1031 and the second plug 105.
In the embodiment of the present application, by designing the distance between the first flow channel rib 1032 and the first plug 104 close to the outlet end of the liquid inlet connector 11 to be smaller than the distance between the first flow channel rib 1032 and the first plug 104 far away from the outlet end of the liquid inlet connector 11, the distance between the second flow channel rib 1033 and the first plug 104 close to the inlet end of the liquid outlet connector 12 is designed to be smaller than the distance between the second flow channel rib 1033 and the first plug 104 far away from the inlet end of the liquid outlet connector 12; in this way, the inflow region defined between each first flow channel rib 1032 and the first plug 104 and the outflow region defined between each second flow channel rib 1033 and the first plug 104 may be designed as a throttling region, so as to ensure the uniformity of the flow rate of each flow channel, thereby improving the heat exchange effect of the liquid-cooling plate 10.
In addition, the distance between the first flow channel rib 1032 and the second plug 105 close to the blocking rib 1031 is designed to be larger than the distance between the first flow channel rib 1032 and the second plug 105 far away from the blocking rib 1031, so that the possibility that the cooling liquid is blocked by the first flow channel rib 1032 of the adjacent liquid inlet flow channel 1035 when the cooling liquid flows into the return port 1034 can be reduced, the flow collection and the flow redistribution of the cooling liquid at the return port 1034 are facilitated, and the distance between the second flow channel rib 1033 and the second plug 105 close to the blocking rib 1031 is designed to be larger than the distance between the second flow channel rib 1033 and the second plug 105 far away from the blocking rib 1031, so that the possibility that the cooling liquid is blocked by the second flow channel rib 1033 of the adjacent liquid outlet flow channel 1036 when the cooling liquid is distributed from the return port 1034 to the liquid outlet flow channels 1036 can be reduced, the cooling liquid of the return port 1034 can be facilitated to flow into the liquid outlet flow channels 1036, and the heat exchange capability of the liquid cooling plate 10 can be improved.
Wherein, the fixing rib 1012, the blocking rib 1031, the first flow channel rib 1032, the second flow channel rib 1033 are integrally formed with the main board 1011; and the fixing rib 1012, the blocking rib 1031, the first flow channel rib 1032, the second flow channel rib 1033 and the second splicing plate 102 are welded in a sealing way.
In the embodiment of the present application, the fixing rib 1012, the blocking rib 1031, the first flow channel rib 1032, the second flow channel rib 1033 are integrally formed with the main board 1011, that is: runner structure 103 and first splice plate 101 integrated into one piece, the equipment step of reducible liquid cooling board 10 improves the packaging efficiency, and with second splice plate 102 and fixed muscle 1012, fender muscle 1031, first runner muscle 1032, second runner muscle 1033 between the seal weld, promptly: second splice plate 102 adopts welding mode to be connected with runner structure 103 and first splice plate 101, when guaranteeing the connection reliability, compares in the scheme that adopts fasteners such as bolts to connect, and sealing performance is good, and still can further improve the packaging efficiency, improves production efficiency then.
It should be understood that the fixing rib 1012, the blocking rib 1031, the first flow channel rib 1032 and the second flow channel rib 1033 mentioned in this embodiment may be all of elongated structures extending in the third direction X, and the liquid inlet flow channel 1035 and the liquid outlet flow channel 1036 are also of elongated structures extending in the third direction X.
The dimensions of the fixing rib 1012, the rib 1031, the first flow channel rib 1032 and the second flow channel rib 1033 in the second direction Y may be equal to simplify the design, in addition, the dimensions of the liquid inlet flow channels 1035 in the second direction Y may be equal to each other, the dimensions of the liquid outlet flow channels 1036 in the second direction Y may be equal to each other, and the dimensions of the liquid inlet flow channels 1035 and the liquid outlet flow channels 1036 in the second direction Y are the same to ensure the uniformity of the cooling liquid in each flow channel.
For the liquid cooling plate 10 having the flow channel structure 103 and formed by a plurality of strip-shaped flow channels arranged side by side, referring to the liquid cooling plate 10 shown in fig. 3 to 9, the manufacturing method adopted in this embodiment is as follows:
extruding a runner plate in an aluminum alloy extrusion forming mode, wherein the extruded runner plate is formed by arranging a plurality of ribs at intervals to form a runner prototype, after the length of the liquid cooling plate 10 is cut, milling redundant parts of the ribs along a first direction Z by using a milling cutter to form a blocking rib 1031, a first runner rib 1032 and a second runner rib 1033 so as to form a backflow region, wherein the backflow region has throttling functions of an inflow region, an outflow region and the like, so that the flow rate entering each runner is almost the same, and the backflow of cooling liquid in the liquid cooling plate 10 is completed at the same time; meanwhile, after milling is finished, the metal chips attached to the ribs are exposed outside, so that smooth removal can be realized by using a tool, and the situation that the liquid cooling unit is blocked due to the fact that the metal chips fall off and are brought to the liquid cooling unit by cooling liquid in the operation process of the liquid cooling plate 10 because the metal chips cannot be removed in the early stage is avoided; after cleaning, the large surface of the second splice plate 102 is connected with the fixing rib 1012, the blocking rib 1031, the first flow channel rib 1032 and the second flow channel rib 1033 in an interference mode, and the contacted parts are coated with brazing flux and combined by brazing; meanwhile, the first plug 104 and the second plug 105 are in contact connection with the cavity formed by the first splicing plate 101 and the second splicing plate 102 and the blocking rib 1031, the contact parts of the first plug and the second plug are also coated with brazing flux, and the sealing welding is realized through brazing to form the complete liquid cooling plate 10.
The first plug 104 may be divided into two sections, and the two sections are respectively welded to two opposite sides of the blocking rib 1031 along the second direction Y, but not limited thereto, and both the first plug 104 and the second plug 105 may be a whole structure.
In another alternative embodiment, referring to fig. 10 and fig. 11, the flow channel structure 103 includes a flow channel rib 1037, the flow channel rib 1037 is connected end to form a closed shape, and the flow channel defined by the flow channel rib 1037 has a liquid inlet 10371, a liquid outlet 10373, and a serpentine flow channel 10372, the liquid inlet 10371 is connected with the liquid inlet connector 11 in a sealing manner, the liquid outlet 10373 is connected with the liquid outlet connector 12 in a sealing manner, and the serpentine flow channel 10372 is disposed between the liquid inlet 10371 and the liquid outlet 10373 and is communicated with the liquid inlet 10371 and the liquid outlet.
In this application embodiment, enclose into the runner that is used for supplying the coolant liquid to flow through runner muscle 1037 that links to each other end to end and be the enclosed form, when making runner structure 103, can adopt the panel beating to bend or panel beating blanking mode preparation to form like this, reduce machining's participation, perhaps accomplish the condition that need not machining, the processing cost reduces by a wide margin, is favorable to mass production to form. In addition, the flow area of the cooling liquid can be increased by designing the flow channel in a serpentine shape, so that the heat exchange area of the liquid cooling plate 10 can be increased, and the cooling efficiency of the member to be cooled can be improved.
It should be noted that, when a flow channel for flowing the cooling liquid is defined by the flow channel ribs 1037 which are connected end to end and are in a closed shape, the first plug 104 and the second plug 105 may be disposed at two ends of the cavity, as shown in fig. 10, so that the flatness and the sealing performance of the liquid cooling plate 10 may be ensured, and the situation that dust enters the bending portion of the flow channel structure 103 to cause poor cleaning may be avoided, but not limited thereto, the use and installation of the first plug 104 and the second plug 105 may also be omitted, as shown in fig. 11, so as to reduce the cost and improve the assembly efficiency.
For the liquid cooling plate 10 including a flow channel for flowing cooling liquid enclosed by the flow channel ribs 1037 connected end to end and in a closed shape, the manufacturing method adopted in this embodiment includes the following specific embodiments:
the first embodiment:
referring to fig. 10, the flow channel structure 103 may be a flow channel rib 1037 formed separately, the flow channel rib 1037 may be formed by bending a metal plate, or may be formed by blanking a metal plate, so as to form the flow channel structure 103 arranged in a serpentine shape, and the flow channel surrounded by the flow channel rib 1037 has a liquid inlet 10371, a liquid outlet 10373, and a serpentine flow channel 10372 when formed; then, the flow channel rib 1037, the first splicing plate 101 and the second splicing plate 102 are welded by brazing and sealing to form the liquid cooling plate 10, and at this time, the liquid inlet connector 11 and the liquid outlet connector 12 form a sealed cavity with the flow channel structure 103 to contain the cooling liquid.
In the embodiment, mechanical processing such as milling and the like is not needed, the whole process is simple, the cost is low, and batch production is facilitated.
The second embodiment:
referring to fig. 11, the flow channel rib 1037 may be formed integrally with the first splice plate 101 by stamping to form the flow channel structure 103, and then the large surface of the second splice plate 102 is connected with the flow channel rib 1037 by soldering and welding to form the liquid-cooled plate 10.
In the embodiment, the processing cost is low, the processing period is short, and the mass production is facilitated. It should be noted that the flow channel rib 1037 may be formed by machining or without machining, as the case may be.
In an embodiment, referring to fig. 9 to 11, one of the first splicing plate 101 and the second splicing plate 102 has a first avoidance hole 1021 and a second avoidance hole 1022 penetrating therethrough, and the first avoidance hole 1021 and the second avoidance hole 1022 are arranged at intervals in the second direction Y. The outlet end of the liquid inlet joint 11 passes through the first avoiding hole 1021 and is communicated with the flow channel structure 103, and the inlet end of the liquid outlet joint 12 passes through the second avoiding hole 1022 and is communicated with the flow channel structure 103.
In the embodiment of the application, set up on same splice plate through the hole of dodging that will be used for dodging inlet joint 11 and play liquid joint 12, another splice plate then can need not set up this hole of dodging, in order to simplify the design complexity of another splice plate, reduce the processing cost, furthermore, another splice plate has reduced the step of seting up the hole of dodging, can improve machining efficiency, wherein, set up on same splice plate through the hole of dodging that will be used for dodging inlet joint 11 and play liquid joint 12, still can be convenient for set up the port that is used for being connected with the liquid cooling unit in inlet joint 11 and the play liquid joint 12 in same one side, namely: the inlet end of the liquid inlet joint 11 and the outlet end of the liquid outlet joint 12 are arranged on the same side of the liquid cooling plate 10, so that the liquid cooling plate is convenient to assemble with an external liquid cooling unit, and the assembly efficiency can be improved.
Further, in order to facilitate the connection of the inlet connector 11 and the outlet connector 12 with the liquid cooling unit, the inlet connector 11 and the inlet end and the outlet end of the outlet connector 12 are located outside the liquid cooling plate 10.
It should be understood that the first avoidance hole 1021 and the second avoidance hole 1022 of the present embodiment are not limited to being disposed on the second splice plate 102 as shown in fig. 9 to 11, and may be disposed on the first splice plate 101. Further, the up-down positions of the liquid inlet joint 11, the liquid outlet joint 12, the liquid inlet flow path 1035, and the liquid outlet flow path 1036 are not limited to those shown in fig. 9 to 11, and may be reversed as the case may be.
As shown in fig. 12 and 13, a first mounting plate 106 protruding in a direction away from the second splicing plate 102 is disposed at the bottom of the first splicing plate 101, a second mounting plate 107 protruding in a direction away from the first splicing plate 101 is disposed at the bottom of the second splicing plate 102, and the first mounting plate 106 and the second mounting plate 107 are used for supporting a to-be-cooled member; and the bottoms of the first mounting plate 106 and the second mounting plate 107 are provided with guide projections 108, and the guide projections 108 are used for sliding fit with the guide grooves of the external bracket.
In the embodiment of the application, can make through setting up first mounting panel 106 and second mounting panel 107 and wait that the cooling piece supports on liquid cooling subassembly 1, so that wait that the cooling piece can constitute a whole with liquid cooling subassembly 1 and install with structures such as external support again, and the installation effectiveness is improved, in addition, through setting up guide convex block 108 with the bottom of first mounting panel 106 and second mounting panel 107, this guide convex block 108 can with the guide way sliding fit of external support, so that realize liquid cooling subassembly 1 and external support location installation.
The to-be-cooled part can be a battery cell 2 (shown in fig. 14) or other structures requiring heat dissipation, that is, the liquid cooling assembly 1 of the present embodiment can dissipate heat of the battery cell 2, and by setting the aforementioned throttling region, it can be ensured that the flow rate of the cooling liquid in each flow channel is set to be the same or almost the same, and further it is ensured that the heat dissipation effect of the cooling liquid on all batteries is the same, so as to reduce the temperature difference of all batteries in the battery pack, and improve the cycle life of the batteries.
For example, the first mounting plate 106 and the first splicing plate 101 can be integrally formed, or can be connected by welding, and similarly, the second mounting plate 107 and the second splicing plate 102 can be integrally formed, or can be connected by welding, as the case may be.
The first mounting plate 106 and the second mounting plate 107 may further have a mounting hole 109, and one end of the fastener may pass through the mounting hole 109 and be fixedly connected to the external bracket, so as to improve the mounting stability of the liquid cooling assembly 1.
In a second aspect of the present disclosure, an energy storage device is provided, which is shown in fig. 1 and 14, and includes at least two battery cells 2 arranged in a first direction Z; at least one liquid cooling module 1 as described in any of the above embodiments, reference is made to the above description, and the structure of the liquid cooling module 1 will not be described in detail herein. Wherein, the liquid cooling plate 10 of the liquid cooling assembly 1 is arranged between the two single batteries 2 and is attached to the single batteries 2.
In the embodiment of the application, first splice plate 101 and second splice plate 102 of liquid cooling plate 10 can laminate mutually with battery monomer 2, when the coolant liquid circulates in getting into runner structure 103 from liquid inlet joint 11, first splice plate 101 of accessible and second splice plate 102 carry out the heat exchange with battery monomer 2, then the rethread goes out liquid joint 12 and flows out, in order to realize 2 heat dissipations to battery monomer, thereby can improve battery monomer 2's safety in utilization, then improve energy memory's safety in utilization.
In addition, the liquid cooling plate 10 of the embodiment is an assembly piece formed by mutually assembling the first splicing plate 101, the second splicing plate 102 and the flow channel structure 103, by designing the liquid cooling plate 10 as the assembly piece, the required flow channel structure 103 can be processed before the first splicing plate 101 and the second splicing plate 102 are assembled, then the processed flow channel structure 103, the first splicing plate 101 and the second splicing plate 102 are cleaned, after the condition that no impurities exist is determined, the first splicing plate 101, the flow channel structure 103 and the second splicing plate 102 are assembled to form the liquid cooling plate 10, compared with the integrally formed liquid cooling plate 10, the required flow channel structure 103 is formed in a processing mode that a milling cutter is not required to extend into the cavity of the liquid cooling plate 10 and mill ribs, the condition that a cutter is broken can be avoided, whether the processed flow channel structure 103 meets requirements or not can be known more intuitively, and therefore the processing efficiency of the liquid cooling plate 10 can be improved, the condition that impurities enter a milling machine set can be avoided or reduced, and the service life of the liquid cooling device can be prolonged, and the stable operation yield of the energy storage unit can be ensured.
It should be noted that, in the present application, the first direction Z, the second direction Y and the third direction X are mentioned to intersect each other two by two, and further, the first direction Z, the second direction Y and the third direction X are perpendicular to each other, so as to ensure the regularity of the design structure.
In the application embodiments, the terms "first", "second", "third", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the examples of the application can be understood by those skilled in the art according to specific situations.
In the description of the embodiments of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or units must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application.
In the description herein, reference to the term "one embodiment," "some embodiments," "a specific embodiment," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application embodiment. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the application example, and is not intended to limit the application example, and various modifications and changes may be made to the application example by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the applied embodiment shall be included in the protection scope of the applied embodiment.
Claims (10)
1. A liquid cooling assembly, comprising:
the liquid cooling plate comprises a first splicing plate, a second splicing plate and a flow channel structure, the second splicing plate and the first splicing plate are oppositely arranged along a first direction and are mutually connected, the first splicing plate and the second splicing plate are jointly spliced to form a cavity, the flow channel structure is positioned in the cavity and is arranged on at least one of the first splicing plate and the second splicing plate, and the first direction is along a direction perpendicular to the first splicing plate;
the outlet end of the liquid inlet joint penetrates through at least one of the first splicing plate and the second splicing plate and is communicated with the flow channel structure;
and the inlet end of the liquid outlet joint penetrates through at least one of the first splicing plate and the second splicing plate and is communicated with the flow channel structure.
2. The liquid cooling assembly of claim 1,
the first splicing plate comprises a main plate and fixing ribs, the fixing ribs are convexly arranged on two opposite sides of the main plate in a second direction, and the second direction is intersected with the first direction;
the second splice plate is located on one side, far away from the main plate, of the fixed rib and is connected with the fixed rib, and the main plate, the second splice plate and the fixed rib are assembled together to form the cavity.
3. The liquid cooling assembly of claim 2,
the liquid cooling assembly further comprises a first plug and a second plug, the second plug and the first plug are arranged oppositely and at intervals along a third direction and are abutted against the cavity wall of the cavity, and the third direction, the second direction and the first direction are intersected in pairs;
the flow channel structure is positioned between the first plug and the second plug and comprises a blocking rib, a plurality of first flow channel ribs and a plurality of second flow channel ribs, one end of the blocking rib is abutted against the first plug, the other end of the blocking rib is arranged at intervals with the second plug to form a backflow port, and the first flow channel ribs and the second flow channel ribs are arranged at intervals with the first plug and the second plug; the plurality of first flow channel ribs are arranged at intervals in the second direction, liquid inlet flow channels are formed between adjacent first flow channel ribs and are positioned on the first sides of the blocking ribs along the second direction, the plurality of second flow channel ribs are arranged at intervals in the second direction, liquid outlet flow channels are formed between adjacent second flow channel ribs and are positioned on the second sides of the blocking ribs along the second direction and are communicated with the liquid inlet flow channels through the backflow ports;
the outlet end of the liquid inlet joint is positioned between the first plug and the first flow channel rib, and the inlet end of the liquid outlet joint is positioned between the first plug and the second flow channel rib.
4. The liquid cooling assembly of claim 3,
the distance between the first flow channel rib close to the outlet end of the liquid inlet joint and the first plug is smaller than the distance between the first flow channel rib far away from the outlet end of the liquid inlet joint and the first plug;
the distance between the first flow channel rib close to the blocking rib and the second plug is larger than the distance between the first flow channel rib far away from the blocking rib and the second plug;
the distance between the second flow channel rib close to the inlet end of the liquid outlet joint and the first plug is smaller than the distance between the second flow channel rib far away from the inlet end of the liquid outlet joint and the first plug;
the distance between the second flow channel rib close to the blocking rib and the second plug is larger than the distance between the second flow channel rib far away from the blocking rib and the second plug.
5. The liquid cooling assembly of claim 3,
the fixing rib, the blocking rib, the first flow channel rib and the second flow channel rib are integrally formed with the main board;
and the fixing ribs, the blocking ribs, the first flow channel ribs, the second flow channel ribs and the second splicing plates are welded in a sealing mode.
6. The liquid cooling assembly of claim 2, wherein the flow channel structure comprises a flow channel rib, the flow channel rib is connected end to form a closed shape, and the flow channel defined by the flow channel rib comprises a liquid inlet, a liquid outlet and a serpentine flow channel, the liquid inlet is hermetically connected with an outlet end of the liquid inlet joint, the liquid outlet is hermetically connected with an inlet end of the liquid outlet joint, and the serpentine flow channel is arranged between the liquid inlet and the liquid outlet and communicated with the liquid inlet and the liquid outlet.
7. The liquid cooling assembly of claim 1, wherein the first splice plate is welded to seal with a first wall of the flow passage structure in the first direction, and the second splice plate is welded to seal with a second wall of the flow passage structure in the first direction; or
The first splicing plate and the flow channel structure are integrally formed, and the second splicing plate and the second wall surface of the flow channel structure in the first direction are welded and sealed; or
The first splicing plate and a first wall surface of the flow channel structure in the first direction are welded and sealed, and the second splicing plate and the flow channel structure are integrally formed; or
The flow channel structure comprises a first flow channel splicing portion and a second flow channel splicing portion which are opposite in the first direction, the first flow channel splicing portion is arranged on one side, facing the second splicing plate, of the first splicing plate and integrally formed with the first splicing plate, the second flow channel splicing portion is arranged on one side, facing the first splicing plate, of the second splicing plate and integrally formed with the second splicing plate, and the first flow channel splicing portion and the second flow channel splicing portion are aligned and sealed and welded to jointly assemble the flow channel structure.
8. The liquid cooling assembly of claim 1, wherein one of the first splice plate and the second splice plate has first and second relief holes therethrough, the first and second relief holes being spaced apart in a second direction that intersects the first direction;
the outlet end of the liquid inlet connector penetrates through the first avoidance hole and is communicated with the flow channel structure, and the inlet end of the liquid outlet connector penetrates through the second avoidance hole and is communicated with the flow channel structure.
9. The liquid cooling assembly of claim 1,
the bottom of the first splicing plate is provided with a first mounting plate which is arranged in a protruding mode in the direction far away from the second splicing plate, the bottom of the second splicing plate is provided with a second mounting plate which is arranged in a protruding mode in the direction far away from the first splicing plate, and the first mounting plate and the second mounting plate are used for supporting a piece to be cooled;
and the bottoms of the first mounting plate and the second mounting plate are provided with guide lugs which are used for being in sliding fit with guide grooves of the external support.
10. An energy storage device, comprising:
at least two battery cells arranged in a first direction;
at least one liquid cooling module as claimed in any one of claims 1 to 9, wherein the liquid cooling plate of the liquid cooling module is disposed between and bonded to the two battery cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223252993.0U CN218769764U (en) | 2022-12-05 | 2022-12-05 | Liquid cooling assembly and energy storage device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223252993.0U CN218769764U (en) | 2022-12-05 | 2022-12-05 | Liquid cooling assembly and energy storage device |
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| CN218769764U true CN218769764U (en) | 2023-03-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116487772A (en) * | 2023-06-21 | 2023-07-25 | 厦门海辰储能科技股份有限公司 | Liquid cooling plate and battery module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116487772A (en) * | 2023-06-21 | 2023-07-25 | 厦门海辰储能科技股份有限公司 | Liquid cooling plate and battery module |
| CN116487772B (en) * | 2023-06-21 | 2023-10-13 | 厦门海辰储能科技股份有限公司 | Liquid cooling plate and battery module |
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