CN111211373A - Liquid cooling plate and manufacturing method thereof - Google Patents
Liquid cooling plate and manufacturing method thereof Download PDFInfo
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- CN111211373A CN111211373A CN201811393434.7A CN201811393434A CN111211373A CN 111211373 A CN111211373 A CN 111211373A CN 201811393434 A CN201811393434 A CN 201811393434A CN 111211373 A CN111211373 A CN 111211373A
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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
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a liquid cooling plate and a manufacturing method thereof, wherein a plug and a runner plate are connected together in a front-back insertion manner, a socket is arranged at the front end of the runner plate, a plug used for being inserted into the socket is arranged at the rear end of the plug, the socket comprises an installation groove, the installation groove is provided with a front notch and a left notch and a right notch, the plug comprises a plug tongue, a plugging section is arranged in the middle of the plug tongue, left and right plug block slots used for forming a liquid distribution cavity are arranged on the left and right sides of the plug, the plug block slots are provided with outer openings located on the side surfaces of the plug and used for allowing plug blocks to enter, when the plug is welded with the socket, plug blocks supporting the liquid distribution cavity are inserted into the plug block slots along the left and right directions, then the plug and the corresponding surfaces of the socket are welded. The liquid distribution cavity is supported by the plug block, so that the deformation of the liquid distribution cavity during welding can be avoided, the welding area can be increased through cartridge welding, the welding surface is bent, the difficulty of the outside air entering the communicating part of the liquid distribution cavity and the flow channel is increased, and the sealing performance is better.
Description
Technical Field
The invention belongs to the field of battery boxes, and particularly relates to a liquid cooling plate and a manufacturing method thereof.
Background
Along with the continuous improvement of national policy to battery system energy density requirement, the lithium iron phosphate battery who is used on most commercial car also need constantly improve its energy density, under the background that does not have major technological breakthrough, the way commonly used at present is to do greatly electric core monomer, however because electric core monomer's size increases, lead to unit heat radiating area to reduce, the unable quick transmission of heat at the inside center of electric core goes out, cause the heat dispersion of electric core to worsen, influence the performance of product, consequently need be equipped with the liquid cooling board for the lithium iron phosphate battery of big electric core and carry out cooling to the battery.
The liquid cooling plate generally comprises a flow channel plate, wherein a flow channel for cooling liquid to circulate is arranged in the flow channel plate, the flow channel extends along the direction parallel to the plate surface of the flow channel plate, penetrates through the end surfaces of the two ends of the flow channel plate and forms an opening on the end surface, in order to ensure the sealing performance of the flow channel and facilitate the entering or flowing of the cooling liquid into or out of the cold plate, plugs for plugging the opening of the flow channel are required to be arranged at the two ends of the flow channel plate, and a liquid distribution cavity communicated with the flow channel in the flow channel plate and an interface for the entering or flowing out of the cooling liquid are arranged on the plugs.
For example, chinese utility model patent that the date of the bulletin was 2017.02.15, the number of the bulletin was "CN 205961664U" discloses "an extrusion type water-cooling board", including water-cooling body, water distribution plate, this water-cooling board just is equivalent to the liquid cooling board, this water-cooling body just is equivalent to the runner plate, this water distribution plate has directly constituted the end cap that is used for the one end of shutoff runner plate, the end cap extends along the left and right directions and is unanimous with the width direction of runner plate, the both ends of end cap are provided with the water distribution chamber also and join in marriage the liquid chamber promptly, join in marriage the combination runner opening setting at liquid chamber towards runner plate both ends, the rear end face of end cap and the preceding terminal surface of runner plate are in the same place through vacuum brazing or friction stir welding fixed connection.
The plug has the following problems: (1) the rear end face of the plug is directly in butt joint with the front end face of the runner plate, and once the welding connection is loosened, the sealing fit between the liquid distribution cavity and the runner is damaged; (2) join in marriage the cavity of sap cavity for setting up in the end cap, make the wall thickness of joining in marriage sap cavity top and below thinner, when leading to the welding, it warp with the wallboard of below or runner top and wallboard of below to join in marriage the sap cavity top, it warp with the runner to lead to joining in marriage the sap cavity easily, and because sealed intercommunication between sap cavity and the runner is exactly through joining in marriage the relative face butt joint assurance of the upper and lower wallboard of sap cavity and runner, when joining in marriage the sap cavity and the runner takes place to warp, it misplaces to lead to probably leading to joining in marriage between the upper and lower wallboard of sap cavity and the upper and lower wallboard of runner, can not accurate butt joint, sealed cooperation between sap cavity and the runner has further been reduced.
Disclosure of Invention
The invention aims to provide a method for manufacturing a liquid cooling plate, which is used for solving the technical problems that a liquid distribution cavity and a flow passage are easy to deform when a plug and a flow passage plate are welded and the sealing performance of the welding joint of the liquid distribution cavity and the flow passage is poor in the prior art.
The invention also provides the liquid cooling plate manufactured by the method, and aims to improve the sealing fit between the liquid distribution cavity of the liquid cooling plate and the flow channel.
In order to solve the technical problems, the technical scheme of the manufacturing method of the liquid cooling plate is as follows:
a manufacturing method of a liquid cooling plate comprises the following steps that (1) a plug and a runner plate are inserted and connected together in a front-back insertion mode; the front end of the runner plate is provided with a socket, and the rear end of the plug is provided with a plug inserted into the socket; the socket comprises a U-shaped mounting groove, an upper cover plate and a lower cover plate, wherein the upper cover plate and the lower cover plate are positioned on the upper side and the lower side of the mounting groove; the plug comprises a plug tongue which is used for being inserted into the mounting groove of the socket, and the plug tongue is provided with an upper surface which is used for being jointed and welded with the lower surface of the upper cover plate and a lower surface which is used for being jointed and welded with the upper surface of the lower cover plate; the middle part of the inserting tongue is provided with a plugging section for plugging a partial area of the first communication port of the liquid cooling plate; the left side and the right side of the plug are respectively provided with a left plug slot and a right plug slot which are used for forming a liquid distribution cavity, each plug slot extends from front to back to the rear end surface of the insertion tongue, the left end part and the right end part of the insertion tongue are provided with two pairs of upper tongue pieces and lower tongue pieces corresponding to the upper side and the lower side of the plug slot, and the two pairs of upper tongue pieces and the lower tongue pieces are distributed at intervals left and right relative to the plugging section; the plug block slot is provided with an outer side opening, a rear side opening and a front side opening, the outer side opening is located on the side face of the plug head and used for enabling the plug block to enter and exit, the rear side opening is located on the rear end face of the insertion tongue and used for being communicated with the first communication hole of the flow channel plate, the front side opening is located on the front side, the inner side of the plug block slot is sealed by the plugging section, and the front side opening forms a second communication hole, used for being communicated with a port, on the plug head, of the liquid;
(2) inserting the chock blocks into the chock block slots along the left-right direction, supporting the chock blocks between the lower surface of the upper tongue piece and the upper surface of the lower tongue piece to prevent the liquid distribution cavity from deforming, and welding corresponding surfaces of the plug and the socket;
(3) and drawing out the plug block, and plugging the outer opening by using a plugging body.
Has the advantages that: the chock can support the liquid distribution cavity, thereby prevent that the liquid distribution cavity can take place to warp when the welding, after the welding, take out the chock, and with shutoff body with the shutoff of outside opening, can guarantee that upper tongue piece and upper cover plate, lower tongue piece and the opposite face of lower apron can correctly dock respectively, thereby guarantee the sealing connection of liquid distribution cavity and runner, in addition, when the plug is connected with the socket, except that inserting tongue and the relative terminal surface welded connection of mounting groove together, also can welded connection be in the same place between the upper surface of inserting tongue and the lower surface of upper cover plate, the lower surface of inserting tongue and the upper surface of lower apron, welding area has been increased, and because the welding face has taken place the turn, outside air wants to get into the department of communicating of liquid distribution cavity and runner must flow through crooked passageway, the degree of difficulty that outside air destroys liquid distribution cavity and runner connection leakproofness, the leakproofness is better.
Further, in the step (2), the corresponding surfaces of the plug and the socket are welded by friction stir welding.
Has the advantages that: when friction stir welding is adopted for welding, the residual stress is lower, and the deformation of a welded workpiece is small.
Further, in the step (3), the blocking body is a blocking plate which is sealed and covered on the side surface of the plug to block the outer opening.
Has the advantages that: the plugging plate can completely seal the outer opening, and the sealing effect is good.
Further, in the step (3), the blocking body is a strip-shaped block matched with the outer side opening, and the strip-shaped block is plugged into the outer side opening to block the outer side opening.
Has the advantages that: the strip-shaped block is plugged into the outer side opening, so that the strip-shaped block is prevented from protruding out of the outer side surface of the plug to cause interference to other structures outside the side surface of the plug when the strip-shaped block is plugged on the outer side surface of the plug.
The technical scheme of the liquid cooling plate is as follows:
a liquid cooling plate comprises a plug and a flow channel plate, wherein a flow channel is arranged in the flow channel plate, the plug is provided with an interface, a liquid distribution cavity and a channel for communicating the liquid distribution cavity with the interface, the interface is used for allowing cooling liquid to enter or flow out of the flow channel plate, the liquid distribution cavity is used for being communicated with the flow channel of the flow channel plate, the plug and the flow channel plate are connected together in a front-back inserting and matching mode, the front end of the flow channel plate is provided with a socket, and the rear end of the plug is provided with a plug for being inserted into the socket; the socket comprises a U-shaped mounting groove, an upper cover plate and a lower cover plate, wherein the upper cover plate and the lower cover plate are positioned on the upper side and the lower side of the mounting groove; the plug comprises a plug tongue which is used for being inserted into the mounting groove of the socket, and the plug tongue is provided with an upper surface which is used for being jointed and welded with the lower surface of the upper cover plate and a lower surface which is used for being jointed and welded with the upper surface of the lower cover plate; the middle part of the inserting tongue is provided with a plugging section for plugging a partial area of the first communication port of the liquid cooling plate; the left side and the right side of the plug are respectively provided with a left plug slot and a right plug slot which are used for forming the liquid distribution cavity, each plug slot extends from front to back to the rear end surface of the insertion tongue, the left end part and the right end part of the insertion tongue respectively form a pair of upper tongue piece and lower tongue piece which are distributed on the upper side and the lower side of the corresponding plug slot, and the two pairs of upper tongue pieces and lower tongue pieces are distributed at intervals left and right relative to the plugging section; the plug block slot is provided with an outer side opening, a rear side opening and a front side opening, the outer side opening is located on the side face of the plug head and used for enabling the plug block to enter and exit, the rear side opening is located on the rear end face of the insertion tongue and used for being communicated with the first communication hole of the flow channel plate, the front side opening is located on the front side, the inner side of the plug block slot is sealed by the plugging section, and the front side opening forms a second communication hole, used for being communicated with the channel on the plug head; each chock slot is used for providing a mounting cavity of the chock, which is supported between the upper tongue piece and the lower tongue piece to prevent the deformation of the liquid distribution cavity when the plug and the socket are welded, and is blocked by a blocking body after the chock is taken out after the welding is finished.
Has the advantages that: the chock can support the liquid distribution cavity, thereby prevent that the liquid distribution cavity can take place to warp when the welding, after the welding, take out the chock, and with shutoff body with the shutoff of outside opening, can guarantee that upper tongue piece and upper cover plate, lower tongue piece and the opposite face of lower apron can correctly dock respectively, thereby guarantee the sealing connection of liquid distribution cavity and runner, in addition, when the plug is connected with the socket, except that inserting tongue and the relative terminal surface welded connection of mounting groove together, also can welded connection be in the same place between the upper surface of inserting tongue and the lower surface of upper cover plate, the lower surface of inserting tongue and the upper surface of lower apron, welding area has been increased, and because the welding face has taken place the turn, outside air wants to get into the department of communicating of liquid distribution cavity and runner must flow through crooked passageway, the degree of difficulty that outside air destroys liquid distribution cavity and runner connection leakproofness, the leakproofness is better.
Further, when the plug and the socket are welded, the plug and the socket are welded together through friction stir welding.
Has the advantages that: when friction stir welding is adopted for welding, the residual stress is lower, and the deformation of a welded workpiece is small.
Further, the plugging body is a plugging plate, and the plugging plate is sealed and covered on the side face of the plug so as to plug the outer opening.
Has the advantages that: the plugging plate can completely seal the outer opening, and the sealing effect is good.
Further, the blocking body is a strip-shaped block matched with the outer side opening, and the strip-shaped block is plugged into the outer side opening to block the outer side opening.
Has the advantages that: the strip-shaped block is plugged into the outer side opening, so that the strip-shaped block is prevented from protruding out of the outer side surface of the plug to cause interference to other structures outside the side surface of the plug when the strip-shaped block is plugged on the outer side surface of the plug.
Drawings
FIG. 1 is a perspective view of a liquid-cooled panel according to a first embodiment of the present invention;
FIG. 2 is a perspective view of a liquid-cooled panel according to a first embodiment of the present invention from a second perspective;
FIG. 3 is a schematic view of the structure of the flow field plate of FIG. 1;
FIG. 4 is a cross-sectional view A-A of the flow field plate of FIG. 3;
FIG. 5 is a perspective view of the plug of FIG. 1 from a first perspective;
FIG. 6 is a perspective view of the plug of FIG. 1 from a second perspective;
FIG. 7 is a schematic view of the plug of FIG. 1;
FIG. 8 is a cross-sectional view B-B of the plug of FIG. 7;
fig. 9 is a schematic view of a plug-in mating connection with a receptacle.
In the figure: 1. a runner plate; 2. a plug; 3. a flow channel; 4. an interface; 5. a chock block; 6. a channel; 7. a plug; 8. a socket; 9. mounting grooves; 10. an upper cover plate; 11. a lower cover plate; 12. inserting a tongue; 13. a plugging section; 14. a left chock slot; 15. a right chock slot; 16. an upper tongue piece; 17. a lower tongue piece; 18. the first communication port.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
First embodiment of the liquid cooling plate of the present invention, as shown in fig. 1 and 2, the liquid cooling plate includes a flow channel plate 1 and a plug 2 which are inserted and connected together, as shown in fig. 4, a plurality of rows of flow channels 3 for circulating cooling liquid are provided in parallel in the flow channel plate 1, arrows on the flow channel plate 1 in fig. 4 indicate the flow direction of cooling liquid in the flow channel plate 1, as shown in fig. 3, a socket 8 is provided at the front end of the flow channel plate 1, the socket 8 includes a U-shaped mounting groove 9 and an upper cover plate 10 and a lower cover plate 11 which are provided at the upper and lower sides of the mounting groove 9, the mounting groove 9 has a front notch and a left and right notch for the plug 5 to pass through, as shown in fig. 9, the rear side of the socket 8 has a first communication port 18, and the first communication port 18 is used for communicating with the flow channel 3 of the flow channel plate 1.
As shown in fig. 8, the plug 2 is provided with an interface 4 for allowing cooling liquid to enter or flow out of the cold plate, the plug 2 is further provided with a liquid distribution cavity for communicating with the flow channel 3 of the flow channel plate 1, and a channel 6 for communicating the liquid distribution cavity with the interface 4, as shown in fig. 9, the rear end of the plug 2 is provided with a plug 7 for inserting into the socket 8, as shown in fig. 5 and 6, the plug 7 comprises a plug tongue 12 for inserting into the mounting groove 9 in the socket 8, the plug tongue 12 has an upper surface for being attached to and welded to the lower surface of the upper cover plate 10, and a lower surface for being welded to the upper surface of the lower cover plate 11, the middle part of the plug tongue 12 is provided with a blocking section 13 for blocking a partial area of the first communication opening 18 of the liquid cold plate, the left and right plug block slots 14 and 15 for forming the liquid distribution cavity are respectively arranged on the left and right sides of the plug 2, the left and right plug slots 14 and 15 extend from front to back to the rear end surface, the left end part and the right end part of the insertion tongue 12 respectively form a pair of upper tongue pieces 16 and lower tongue pieces 17 which are distributed on the upper side and the lower side of the corresponding plugging block slot, the two pairs of upper tongue pieces 16 and lower tongue pieces 17 are distributed at intervals left and right relative to the plugging section 13, the left plugging block slot 14 and the right plugging block slot 15 are respectively provided with an outer side opening positioned on the side surface of the plug 2, a rear side opening positioned on the rear end surface of the insertion tongue 12 and used for being communicated with a first communication hole 18 of the flow channel plate 1, and a front side opening positioned on the front side, the inner sides of the left plugging block slot 14 and the right plugging block slot 15 are sealed by the plugging section 13, and the front side openings form a second communication hole of a liquid, the left and right plug slots 14 and 15 are used for providing a mounting cavity of the plug 5 which is supported between the upper tongue piece 16 and the lower tongue piece 17 to prevent the deformation of the liquid distribution cavity when the plug 7 is welded with the socket 8, and the plug 5 is taken out after the welding is finished and is blocked by a blocking body.
In this embodiment, when the plug 7 and the socket 8 are welded, a friction stir welding method is used.
In this embodiment, the plugging body is a bar-shaped block matched with the outer openings of the left plugging block slot 14 and the right plugging block slot 15, and the bar-shaped block is plugged into the outer opening to plug the outer opening during plugging.
When the plug and the socket of the invention are welded, the plug block 5 can support the liquid distribution cavity, thereby preventing the liquid distribution cavity from deforming during welding, after welding, the plug block 5 is taken out, and the outer opening is sealed by a sealing body, thus ensuring that the opposite surfaces of the upper tongue piece 16 and the upper cover plate 10, the lower tongue piece 17 and the lower cover plate 11 can be correctly butted respectively, thereby ensuring the sealing connection of the liquid distribution cavity and the flow channel 3, in addition, when the plug 7 is connected with the socket 8, except that the opposite end surfaces of the inserting tongue 12 and the mounting groove 9 are welded together, the upper surface of the inserting tongue 12 and the lower surface of the upper cover plate 10, the lower surface of the inserting tongue 12 and the upper surface of the lower cover plate 11 are also welded together, increasing the welding area, and because the welding surface is turned, the external air is supposed to enter the connection part of the liquid distribution cavity and the flow channel 3 and must flow through a bent passage, namely increasing the difficulty that the external air destroys the connection sealing performance of the liquid distribution cavity and the, the sealing performance is better.
The second specific embodiment of the liquid cooling plate is different from the first specific embodiment in that the plug is of a plate-shaped structure, the interface is positioned above the front side of the liquid distribution cavity and on the upper plate surface of the plug, the channel for communicating the liquid distribution cavity with the interface is a vertical channel positioned on the front side of the liquid distribution cavity, the upper top wall of the liquid distribution cavity is provided with a communication hole, the lower end of the vertical channel is communicated with the liquid distribution cavity through the communication hole, and the upper end of the vertical channel is communicated with the interface.
The third specific embodiment of the liquid cooling plate of the present invention is different from the first specific embodiment in that the blocking body is a blocking plate, and the blocking plate is sealed and covered on the side surface of the plug during blocking to block the external opening.
The first embodiment of the manufacturing method of the liquid cooling plate of the invention is that the product obtained by the manufacturing method is the first embodiment of the liquid cooling plate, and the specific steps are as follows:
(1) the plug 2 and the runner plate 1 are inserted and connected together in a front-back matching manner; the front end of the runner plate 1 is provided with a socket 8, and the rear end of the plug 2 is provided with a plug 7 for being inserted into the socket 8; the socket 8 comprises a U-shaped mounting groove 9, an upper cover plate 10 and a lower cover plate 11 which are positioned at the upper side and the lower side of the mounting groove 9, the mounting groove 9 is provided with a front notch, a left notch and a right notch, the rear side of the socket 8 is provided with a first communication port 18, and the first communication port 18 is used for being communicated with the flow channel 3 of the flow channel plate 1; the plug 7 comprises a plug tongue 12 which is used for being inserted into the mounting groove 9 of the socket 8, and the plug tongue 12 is provided with an upper surface which is used for being jointed and welded with the lower surface of the upper cover plate 10 and a lower surface which is used for being jointed and welded with the upper surface of the lower cover plate 11; a plugging section 13 which is arranged in the middle of the inserting tongue 12 and is used for plugging a partial area of a first communication port 18 of the liquid cooling plate; the left side and the right side of the plug 2 are respectively provided with a left plug slot 14 and a right plug slot 15 which are used for forming a liquid distribution cavity, each plug slot extends from front to back to the rear end surface of the plug 12, the left end part and the right end part of the plug 12 are provided with two pairs of upper tongue pieces 16 and lower tongue pieces 17 corresponding to the upper side and the lower side of the plug slot, and the two pairs of upper tongue pieces 16 and the lower tongue pieces 17 are distributed at intervals left and right relative to the plugging section 13; the left plug block slot 14 and the right plug block slot 15 are respectively provided with an outer side opening, a rear side opening and a front side opening, the outer side opening is located on the side surface of the plug 2 and used for enabling the plug block 5 to enter and exit, the rear side opening is located on the rear end surface of the insertion tongue 12 and used for being communicated with the first communication hole 18 of the flow channel plate 1, the front side opening is located on the front side, the inner sides of the left plug block slot 14 and the right plug block slot 15 are sealed by the plugging section 13, and the front side openings form a second communication hole, which is used for being communicated with a port, on the plug;
(2) the chock 5 is inserted into the left chock slot 14 and the right chock slot 15 along the left-right direction, the chock 5 is supported between the lower surface of the upper tongue piece 16 and the upper surface of the lower tongue piece 17 to prevent the liquid distribution cavity from deforming, and the corresponding surfaces of the plug 7 and the socket 8 are welded;
(3) the plug 5 is withdrawn and the outer opening is sealed with a sealing body.
In this embodiment, when the plug 7 and the socket are welded 8, a friction stir welding method is used.
In this embodiment, the blocking body in step (3) is a bar-shaped block matched with the outer side opening of each chock slot, and the bar-shaped block is plugged into the outer side opening to block the outer side opening during blocking.
The second embodiment of the method for manufacturing a liquid cooling plate according to the present invention is different from the first embodiment in that the blocking body is a blocking plate, and the blocking plate is sealed and covered on the side surface of the plug during blocking to block the external opening.
Claims (8)
1. A method for manufacturing a liquid cooling plate is characterized in that,
(1) inserting and connecting the plug and the runner plate together in a front-back manner; the front end of the runner plate is provided with a socket, and the rear end of the plug is provided with a plug inserted into the socket; the socket comprises a U-shaped mounting groove, an upper cover plate and a lower cover plate, wherein the upper cover plate and the lower cover plate are positioned on the upper side and the lower side of the mounting groove; the plug comprises a plug tongue which is used for being inserted into the mounting groove of the socket, and the plug tongue is provided with an upper surface which is used for being jointed and welded with the lower surface of the upper cover plate and a lower surface which is used for being jointed and welded with the upper surface of the lower cover plate; the middle part of the inserting tongue is provided with a plugging section for plugging a partial area of the first communication port of the liquid cooling plate; the left side and the right side of the plug are respectively provided with a left plug slot and a right plug slot which are used for forming a liquid distribution cavity, each plug slot extends from front to back to the rear end surface of the insertion tongue, the left end part and the right end part of the insertion tongue are provided with two pairs of upper tongue pieces and lower tongue pieces corresponding to the upper side and the lower side of the plug slot, and the two pairs of upper tongue pieces and the lower tongue pieces are distributed at intervals left and right relative to the plugging section; the plug block slot is provided with an outer side opening, a rear side opening and a front side opening, the outer side opening is located on the side face of the plug head and used for enabling the plug block to enter and exit, the rear side opening is located on the rear end face of the insertion tongue and used for being communicated with the first communication hole of the flow channel plate, the front side opening is located on the front side, the inner side of the plug block slot is sealed by the plugging section, and the front side opening forms a second communication hole, used for being communicated with a port, on the plug head, of the liquid;
(2) inserting the chock blocks into the chock block slots along the left-right direction, supporting the chock blocks between the lower surface of the upper tongue piece and the upper surface of the lower tongue piece to prevent the liquid distribution cavity from deforming, and welding corresponding surfaces of the plug and the socket;
(3) and drawing out the plug block, and plugging the outer opening by using a plugging body.
2. The method of manufacturing a liquid-cooled panel according to claim 1, wherein in step (2), the corresponding surfaces of the pin and the socket are welded by friction stir welding.
3. The method for manufacturing a liquid-cooling panel according to claim 1 or 2, wherein in the step (3), the blocking body is a blocking plate which is hermetically covered on a side surface of the plug to block the outer opening.
4. The liquid cooling panel manufacturing method according to claim 1 or 2, wherein in the step (3), the blocking body is a bar-shaped block that matches the outer side opening, and the bar-shaped block is inserted into the outer side opening to block the outer side opening.
5. A liquid cooling plate comprises a plug and a flow channel plate, wherein a flow channel is arranged in the flow channel plate, the plug is provided with an interface, a liquid distribution cavity and a channel for communicating the liquid distribution cavity with the interface, the interface is used for allowing cooling liquid to enter or flow out of the flow channel plate, and the liquid distribution cavity is used for being communicated with the flow channel of the flow channel plate; the socket comprises a U-shaped mounting groove, an upper cover plate and a lower cover plate, wherein the upper cover plate and the lower cover plate are positioned on the upper side and the lower side of the mounting groove; the plug comprises a plug tongue which is used for being inserted into the mounting groove of the socket, and the plug tongue is provided with an upper surface which is used for being jointed and welded with the lower surface of the upper cover plate and a lower surface which is used for being jointed and welded with the upper surface of the lower cover plate; the middle part of the inserting tongue is provided with a plugging section for plugging a partial area of the first communication port of the liquid cooling plate; the left side and the right side of the plug are respectively provided with a left plug slot and a right plug slot which are used for forming the liquid distribution cavity, each plug slot extends from front to back to the rear end surface of the insertion tongue, the left end part and the right end part of the insertion tongue respectively form a pair of upper tongue piece and lower tongue piece which are distributed on the upper side and the lower side of the corresponding plug slot, and the two pairs of upper tongue pieces and lower tongue pieces are distributed at intervals left and right relative to the plugging section; the plug block slot is provided with an outer side opening, a rear side opening and a front side opening, the outer side opening is located on the side face of the plug head and used for enabling the plug block to enter and exit, the rear side opening is located on the rear end face of the insertion tongue and used for being communicated with the first communication hole of the flow channel plate, the front side opening is located on the front side, the inner side of the plug block slot is sealed by the plugging section, and the front side opening forms a second communication hole, used for being communicated with the channel on the plug head; each chock slot is used for providing a mounting cavity of the chock, which is supported between the upper tongue piece and the lower tongue piece to prevent the deformation of the liquid distribution cavity when the plug and the socket are welded, and is blocked by a blocking body after the chock is taken out after the welding is finished.
6. The liquid cooled panel of claim 5 wherein said pin and socket are welded together by friction stir welding.
7. A liquid-cooled panel according to claim 5 or 6, characterised in that the blocking body is a blocking panel which sealingly covers the side of the stopper to block the outer opening.
8. The liquid cooling plate of claim 5 or 6, wherein the blocking body is a bar-shaped block matched with the outer opening, and the bar-shaped block is inserted into the outer opening to block the outer opening.
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Cited By (1)
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| CN112259825A (en) * | 2020-10-19 | 2021-01-22 | 东风汽车集团有限公司 | Power battery integrated water cooling plate capable of meeting requirements of single-layer module and double-layer module |
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| CN111211373B (en) | 2021-03-30 |
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