CN111211372A - Plug, liquid cooling plate and battery box - Google Patents
Plug, liquid cooling plate and battery box Download PDFInfo
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- CN111211372A CN111211372A CN201811393397.XA CN201811393397A CN111211372A CN 111211372 A CN111211372 A CN 111211372A CN 201811393397 A CN201811393397 A CN 201811393397A CN 111211372 A CN111211372 A CN 111211372A
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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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- H01M10/6554—Rods or plates
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to a plug, a liquid cooling plate and a battery box body, wherein the rear end of the plug is used for plugging one end of a runner plate, the plug extends along the left-right direction and is consistent with the width direction of the runner plate, the rear end of the plug is provided with a liquid distribution cavity communicated with a flow passage in the runner plate, the plug is provided with a connector communicated with the liquid distribution cavity for cooling liquid to enter or flow out of a cold plate, the lower surface of the plug is provided with a liquid distribution groove, a passage communicated with the liquid distribution groove and the connector is arranged in the plug, the liquid distribution groove is provided with a downward lower opening, a rear notch communicated with the liquid distribution cavity and two side groove walls distributed left and right, and the plug also comprises a cover plate for sealing and covering the lower opening of the; the liquid distribution groove is provided with a necking section in front of the rear notch, and the distance between the groove walls on the two sides of the necking section in the left-right direction is shortened from back to front. The necking section can buffer the cooling liquid, so that the impact of the cooling liquid on the channel and the liquid distribution cavity is reduced, and the service life of the plug is prolonged.
Description
Technical Field
The invention belongs to the field of battery boxes, and particularly relates to a plug, a liquid cooling plate and a battery box.
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, the chinese utility model patent with the granted bulletin date of 2017.02.15 and the granted bulletin number of "CN 205961664U" discloses an "extrusion type water-cooling plate", which comprises a water-cooling body and a water distribution plate, wherein the water-cooling plate is equivalent to a liquid-cooling plate, the water-cooling body is equivalent to a runner plate, the water distribution plate directly forms a plug for plugging one end of the runner plate, the plug extends along the left-right direction and is consistent with the width direction of the runner plate, the two ends of the plug are provided with water distribution cavities, namely liquid distribution cavities, the liquid distribution cavities are arranged towards the combined runner openings at the two ends of the runner plate, the upper surface of the plug is provided with two water inlet and outlet holes, namely ports, above the liquid distribution cavities, a channel for communicating the two ports and extending along the direction vertical to the plate surface of the liquid-cooling plate is arranged between the ports and the water distribution cavities, the aperture of the channel is consistent with the aperture of the port, the two ports are fixedly provided with water inlet and, the extending direction of the water inlet and outlet joint is vertical to the upper plate surface of the liquid cooling plate.
The problem that above-mentioned end cap exists is, join in marriage the square cavity of liquid chamber for setting up in the end cap, for the coolant liquid entering or outflow in the runner plate join in marriage the liquid chamber, join in marriage the liquid chamber and generally set up great in the width dimension of left and right sides orientation, and the aperture of interface and the diameter looks adaptation of business turn over water connector, the less that sets up usually, consequently, the aperture of passageway also sets up less, when coolant liquid gets into the passageway by joining in marriage the liquid chamber, the flow space of coolant liquid reduces suddenly, produce great impulsive force to the passageway easily, when opposite coolant liquid gets into joins in marriage the liquid chamber by the passageway, the flow space of coolant liquid increases suddenly, produce great impulsive force to joining in marriage the liquid chamber easily, consequently, the life of above-mentioned end cap is shorter. And if the plug is damaged by impact force, the cooling liquid will be leaked, and the battery in the battery box provided with the liquid cooling plate can be damaged.
Disclosure of Invention
The invention aims to provide a plug, which is used for solving the technical problem of short service life of the plug caused by large impact force on the plug when cooling liquid in the plug circulates in the prior art. The invention also aims to provide a liquid cooling plate using the plug so as to reduce the leakage of the liquid cooling plate caused by the damage of the plug. The invention also aims to provide a battery box body using the liquid cooling plate, so as to reduce the risk of damaging a battery due to leakage of the liquid cooling plate.
In order to solve the technical problems, the technical scheme of the plug of the invention is as follows:
the rear end of the plug is used for plugging one end of the runner plate, the plug extends along the left-right direction and is consistent with the width direction of the runner plate, a liquid distribution cavity which is used for being communicated with a runner in the runner plate is arranged at the rear end of the plug, an interface which is communicated with the liquid distribution cavity and is used for allowing cooling liquid to enter or flow out of the cold plate is further arranged on the plug, a liquid distribution groove is formed in the lower surface of the plug, a channel which is communicated with the liquid distribution groove and the interface is further arranged in the plug, the liquid distribution groove is provided with a downward lower opening, a rear notch which is communicated with the liquid distribution cavity and two side groove walls which are distributed left and right, and the plug further comprises a cover plate which is used for sealing and covering the lower opening of; the liquid distribution groove is provided with a necking section in front of the rear notch, and the distance between the groove walls on the two sides of the necking section in the left-right direction is shortened from back to front.
Has the advantages that: the rear notch of the liquid distribution groove is used for being communicated with the liquid distribution cavity, and the channel is used for being communicated with the liquid distribution groove and the interface, so that the necking section of the liquid distribution groove can buffer the cooling liquid, the impact force of the cooling liquid on the liquid distribution cavity and the channel and the impact force of the cooling liquid on the groove wall of the liquid distribution groove are reduced, and the service life of the plug is prolonged.
Furthermore, the necking section of the liquid distribution groove gradually extends forwards from the rear notch, the liquid distribution groove further comprises an equal-width section connected to the front of the necking section, and the distance between the groove walls on the two sides of the equal-width section in the left-right direction is kept unchanged from back to front.
Has the advantages that: the necking section is used for buffering the cooling liquid, and the constant-width section is used for stabilizing the flow velocity of the cooling liquid, so that the cooling liquid buffered by the necking section is stabilized and flows into the channel, or the cooling liquid flowing out of the channel is stabilized and flows into the liquid distribution cavity after being stabilized by the constant-width section, and the impact of the cooling liquid on the inner part of the plug is further reduced.
Furthermore, the distance between the groove walls on the two sides of the rear notch is matched with the width of the liquid distribution cavity in the left-right direction, and the width of the liquid distribution cavity in the left-right direction is matched with the width of a row of same-direction flow channel groups on the flow channel plate.
Has the advantages that: when the cooling liquid flows through the joint of the flow channel plate and the plug and the cooling liquid flows through the rear notch, the width size of the flowing space of the cooling liquid is kept unchanged, and the impact of the cooling liquid on the joint of the plug and the flow channel plate and the impact of the cooling liquid on the rear notch are reduced.
Furthermore, the interface is arranged on the surface of the plug, which is positioned in front of the liquid distribution cavity, one end of a channel communicated with the liquid distribution groove is connected with the interface, the channel extends backwards and/or downwards from the interface, and the other end of the channel is connected with a communication port, which is arranged on the groove wall of the liquid distribution groove and is positioned in front of the rear groove opening.
The technical scheme of the liquid cooling plate is as follows:
the liquid cooling plate comprises a runner plate and a plug, the rear end of the plug is used for plugging one end of the runner plate, the plug extends along the left-right direction and is consistent with the width direction of the runner plate, a liquid distribution cavity which is used for being communicated with a flow channel in the runner plate is arranged at the rear end of the plug, an interface which is communicated with the liquid distribution cavity and is used for allowing cooling liquid to enter or flow out of a cold plate is further arranged on the plug, a liquid distribution groove is formed in the lower surface of the plug, a channel which is communicated with the liquid distribution groove and the interface is further arranged in the plug, the liquid distribution groove is provided with a downward lower opening, a rear notch which is communicated with the liquid distribution cavity and two side groove walls which are distributed left and right, and the plug further comprises a cover plate which is used for sealing and covering; the liquid distribution groove is provided with a necking section in front of the rear notch, and the distance between the groove walls on the two sides of the necking section in the left-right direction is shortened from back to front.
Has the advantages that: the rear notch of the liquid distribution groove is used for being communicated with the liquid distribution cavity, and the channel is used for being communicated with the liquid distribution groove and the interface, so that the necking section of the liquid distribution groove can buffer the cooling liquid, the impact force of the cooling liquid on the liquid distribution cavity and the channel and the impact force of the cooling liquid on the groove wall of the liquid distribution groove are reduced, and the service life of the plug is prolonged.
Furthermore, the necking section of the liquid distribution groove gradually extends forwards from the rear notch, the liquid distribution groove further comprises an equal-width section connected to the front of the necking section, and the distance between the groove walls on the two sides of the equal-width section in the left-right direction is kept unchanged from back to front.
Has the advantages that: the necking section is used for buffering the cooling liquid, and the constant-width section is used for stabilizing the flow velocity of the cooling liquid, so that the cooling liquid buffered by the necking section is stabilized and flows into the channel, or the cooling liquid flowing out of the channel is stabilized and flows into the liquid distribution cavity after being stabilized by the constant-width section, and the impact of the cooling liquid on the inner part of the plug is further reduced.
Furthermore, a plurality of rows of equidirectional flow channel groups are arranged in the flow channel plate, each row of equidirectional flow channel group comprises a plurality of flow channels which are adjacent in position and have the same flow direction of cooling liquid, the space between the groove walls on the two sides of the rear notch is matched with the width dimension of the liquid distribution cavity in the left-right direction, and the width dimension of the liquid distribution cavity in the left-right direction is matched with the width dimension of one row of equidirectional flow channel groups on the flow channel plate.
Has the advantages that: when the cooling liquid flows through the joint of the flow channel plate and the plug and the cooling liquid flows through the rear notch, the width size of the flowing space of the cooling liquid is kept unchanged, and the impact of the cooling liquid on the joint of the plug and the flow channel plate and the impact of the cooling liquid on the rear notch are reduced.
Furthermore, the interface is arranged on the surface of the plug, which is positioned in front of the liquid distribution cavity, one end of a channel communicated with the liquid distribution groove is connected with the interface, the channel extends backwards and/or downwards from the interface, and the other end of the channel is connected with a communication port, which is arranged on the groove wall of the liquid distribution groove and is positioned in front of the rear groove opening.
The technical scheme of the battery box body is as follows:
the battery box body comprises a liquid cooling plate, the liquid cooling plate comprises a runner plate and a plug, the rear end of the plug is used for plugging one end of the runner plate, the plug extends along the left-right direction and is consistent with the width direction of the runner plate, a liquid distribution cavity which is used for being communicated with a runner in the runner plate is arranged at the rear end of the plug, an interface which is communicated with the liquid distribution cavity and is used for allowing cooling liquid to enter or flow out of the cold plate is further arranged on the plug, a liquid distribution groove is formed in the lower surface of the plug, a channel which is communicated with the liquid distribution groove and the interface is further arranged in the plug, the liquid distribution groove is provided with a downward lower opening, a rear notch which is communicated with the liquid distribution cavity and two side groove walls which are distributed left and right, and the plug further comprises a cover plate which is used; the liquid distribution groove is provided with a necking section in front of the rear notch, and the distance between the groove walls on the two sides of the necking section in the left-right direction is shortened from back to front.
Has the advantages that: the rear notch of the liquid distribution groove is used for being communicated with the liquid distribution cavity, and the channel is used for being communicated with the liquid distribution groove and the interface, so that the necking section of the liquid distribution groove can buffer the cooling liquid, the impact force of the cooling liquid on the liquid distribution cavity and the channel and the impact force of the cooling liquid on the groove wall of the liquid distribution groove are reduced, and the service life of the plug is prolonged.
Furthermore, the necking section of the liquid distribution groove gradually extends forwards from the rear notch, the liquid distribution groove further comprises an equal-width section connected to the front of the necking section, and the distance between the groove walls on the two sides of the equal-width section in the left-right direction is kept unchanged from back to front.
Has the advantages that: the necking section is used for buffering the cooling liquid, and the constant-width section is used for stabilizing the flow velocity of the cooling liquid, so that the cooling liquid buffered by the necking section is stabilized and flows into the channel, or the cooling liquid flowing out of the channel is stabilized and flows into the liquid distribution cavity after being stabilized by the constant-width section, and the impact of the cooling liquid on the inner part of the plug is further reduced.
Furthermore, a plurality of rows of equidirectional flow channel groups are arranged in the flow channel plate, each row of equidirectional flow channel group comprises a plurality of flow channels which are adjacent in position and have the same flow direction of cooling liquid, the space between the groove walls on the two sides of the rear notch is matched with the width dimension of the liquid distribution cavity in the left-right direction, and the width dimension of the liquid distribution cavity in the left-right direction is matched with the width dimension of one row of equidirectional flow channel groups on the flow channel plate.
Has the advantages that: when the cooling liquid flows through the joint of the flow channel plate and the plug and the cooling liquid flows through the rear notch, the width size of the flowing space of the cooling liquid is kept unchanged, and the impact of the cooling liquid on the joint of the plug and the flow channel plate and the impact of the cooling liquid on the rear notch are reduced.
Furthermore, the interface is arranged on the surface of the plug, which is positioned in front of the liquid distribution cavity, one end of a channel communicated with the liquid distribution groove is connected with the interface, the channel extends backwards and/or downwards from the interface, and the other end of the channel is connected with a communication port, which is arranged on the groove wall of the liquid distribution groove and is positioned in front of the rear groove opening.
Drawings
Fig. 1 is a perspective view of a first viewing angle when a liquid-cooled plate according to a first embodiment of the present invention is installed in a battery box;
fig. 2 is a perspective view of a second viewing angle when a liquid-cooled plate according to a first embodiment of the present invention is installed in a battery box;
FIG. 3 is a perspective view of the plug of FIG. 1 from a first perspective;
FIG. 4 is a perspective view of the plug of FIG. 3 from a second perspective;
FIG. 5 is a schematic view of the structure of the flow field plate of FIG. 1;
FIG. 6 is a cross-sectional view A-A of the liquid cooled panel of FIG. 5;
FIG. 7 is a schematic view of the plug of FIG. 1;
FIG. 8 is a cross-sectional view C-C of the plug of FIG. 7;
fig. 9 is a cross-sectional view B-B of the plug of fig. 7.
In the figure: 1. a runner plate; 2. a plug; 3. a liquid distribution plate; 4. a transfer station; 5. an L-shaped channel; 6. a transverse channel; 7. a vertical channel; 8. an interface; 9. a liquid preparation cavity; 10. a liquid preparation tank; 11. a water pipe joint; 12. a equidirectional flow channel group; 13. a flow channel; 14. a rear notch; 15. a necking section; 16. equal width sections; 17. a box body side plate; 18. a plug; 19. a socket; 20. inserting a tongue; 21. mounting grooves; 22. a battery module mounting beam; 23. a battery module mounting hole; 24. an overhanging portion; 25. and (7) a cover plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the first embodiment of the liquid cooling plate of the present invention includes a flow channel plate 1 and a plug 2, as shown in fig. 6, the flow channel plate 1 is a rectangular plate, a plurality of rows of equidirectional flow channel groups 12 are disposed in the flow channel plate 1, each row of equidirectional flow channel group 12 includes a plurality of flow channels 13 which are adjacent to each other and have the same flow direction of the cooling liquid, an arrow on the flow channel plate 1 in fig. 6 indicates the flow direction of the cooling liquid, as shown in fig. 5, a socket 19 is disposed at the front end of the flow channel plate 1, and the socket 19 includes a mounting groove 21 with a notch facing forward and having a U shape.
As shown in fig. 3, the plug 2 includes a liquid distribution plate 3 and adapter tables 4 integrally and convexly disposed on an upper plate surface of the liquid distribution plate 3, the two adapter tables 4 are arranged at intervals along a left-right direction, a rear end of the liquid distribution plate 3 is used for plugging a front end of the flow channel plate 1, the liquid distribution plate 3 extends along the left-right direction and is consistent with a width direction of the flow channel plate 1, as shown in fig. 3 and 4, a liquid distribution cavity 9 for communicating with a flow channel 13 in the flow channel plate 1 is disposed at a rear end of the liquid distribution plate 3, the two liquid distribution cavities 9 are respectively used for water inlet and water outlet, and the two liquid distribution cavities 9 are respectively located at left and right ends of the liquid distribution plate 3.
As shown in fig. 8, an L-shaped channel 5 is disposed in the adapting table 4, the L-shaped channel includes a transverse channel 6 and a vertical channel 7, the transverse channel 6 extends forward from a corner of the L-shaped channel 5 to penetrate through a front end surface of the adapting table 4, a connector 8 is disposed on the front end surface of the adapting table 4, the connector 8 is used for allowing cooling liquid to enter or flow out of a cold plate, and the vertical channel 7 extends downward from the corner of the L-shaped channel 5; in this embodiment, the interface 8 is connected to two water connectors 11 which are arranged on a side plate 17 of the battery box body and have the same extending direction with the transverse channel 6, wherein one water connector 11 is used for allowing cooling liquid to enter the liquid cooling plate, and the other water connector 11 is used for allowing cooling liquid to flow out of the liquid cooling plate. The lower surface of the plug 2 is provided with an opening structure, in the embodiment, the opening structure is a liquid distribution groove 10 which is arranged on the lower surface of the liquid distribution plate 3 and extends from front to back, the liquid distribution groove 10 is provided with a downward lower opening, a rear notch 14 communicated with the liquid distribution cavity 9 and two side groove walls which are distributed from left to right, the lower end of the vertical channel 7 is integrally connected with the liquid distribution groove 10 to form an opening hole, the opening hole is a fabrication hole left after the vertical channel is processed from bottom to top by a processing tool, and after the processing is finished, the lower opening of the liquid distribution groove 10 is sealed and covered by a cover plate 25.
As shown in fig. 4 and 9, the liquid distribution groove 10 has a necking section 15 in front of the rear notch 14, the distance between the two side walls of the necking section 15 in the left-right direction is narrowed from back to front, the liquid distribution groove 10 further includes an equal-width section 16 connected in front of the necking section 15, the distance between the two side walls of the equal-width section 16 in the left-right direction is kept constant from back to front, in this embodiment, the distance between the two side walls of the rear notch 14 is matched with the width of the liquid distribution cavity 9 in the left-right direction, and the width of the liquid distribution cavity 9 in the left-right direction is matched with the width of a row of equidirectional flow channel groups 12 on the flow channel plate 1, so that the cooling liquid can enter or flow out of the equidirectional.
The adapting table 4 comprises an overhanging portion 24 arranged in the front portion and used for being inserted into a mounting hole on a box side plate 17 of the battery box, a positioning step with a forward step surface is arranged on the periphery of the overhanging portion 24 and used for being matched with the inner surface of the box side plate 17 in a stopping way, as shown in fig. 3, a plug 18 is arranged at the rear end of the liquid distribution plate 3, a plug tongue 20 is arranged on the plug, and the plug tongue 20 is inserted into a mounting groove 21 of a socket 19 when the adapting table is used. As shown in fig. 3, 7, and 8, a battery module mounting beam 22 for mounting a battery module is further provided on the upper plate surface of the liquid distribution plate 3 at an interval in the rear of the adapter table 4, and a plurality of battery module mounting holes 23 are provided on the upper end surface of the battery module mounting beam 22.
In the invention, the liquid distribution groove 10 is communicated with the L-shaped channel 5 and the liquid distribution cavity 9, so the necking section 15 of the liquid distribution groove 10 can buffer the cooling liquid, the impact force of the cooling liquid on the liquid distribution cavity 9 and the L-shaped channel 5 and the impact force of the cooling liquid on the groove wall of the liquid distribution groove 10 are reduced, and the service life of the plug 2 is prolonged.
The second embodiment of the liquid cooling plate of the present invention is different from the first embodiment in that the plug is not provided with a convex adapter, the plug is directly composed of a liquid distribution plate, and a liquid distribution cavity, a liquid distribution groove and an L-shaped channel are arranged in the liquid distribution plate.
The third specific embodiment of the liquid cooling plate is different from the first specific embodiment in that the opening structure is a through hole which is communicated with the vertical channel from the lower surface of the plug upwards, a communication hole communicated with the liquid distribution cavity is formed in the hole wall on one radial side of the through hole, and the cover plate is used for sealing and covering the lower opening of the through hole.
The fourth specific embodiment of the liquid cooling plate is different from the first specific embodiment in that plugs are arranged at two ends of the runner plate, and adapter tables for water inlet and water outlet are respectively arranged on the two plugs.
The fifth specific embodiment of the liquid cooling plate of the present invention is different from the first embodiment in that a channel for communicating the liquid distribution tank and the interface in the first embodiment is an L-shaped channel, and the L-shaped channel extends backward and downward.
In the first embodiment of the plug of the present invention, the structure of the plug is the same as that of the plug in the first embodiment of the liquid cooling plate, and details are not repeated here.
In the second embodiment of the plug of the present invention, the structure of the plug is the same as that of the plug in the second embodiment of the liquid cooling plate, and details are not repeated here.
In the third specific embodiment of the plug of the present invention, the structure of the plug is the same as that of the plug in the third embodiment of the liquid cooling plate, and details are not repeated here.
In a fourth specific embodiment of the plug of the present invention, the structure of the plug is the same as that of the plug in the fourth embodiment of the liquid cooling plate, and details are not repeated here.
In a fifth specific embodiment of the plug of the present invention, the structure of the plug is the same as that of the plug in the fifth embodiment of the liquid cooling plate, and details are not repeated here.
In the first embodiment of the battery box of the present invention, a liquid cooling plate is disposed in the box, see fig. 1 and fig. 2, and the description of the mounting structure of the interface 8, the water pipe connector 11, and the box side plate 17 in the implementation of the liquid cooling plate, where the liquid cooling plate directly constitutes a bottom plate of the battery box, and the manner of disposing the liquid cooling plate in the battery box belongs to the prior art, but the liquid cooling plate may also be mounted in a battery box having a box bottom without being limited to the bottom plate that must constitute the battery box, and the structure of the liquid cooling plate is the same as that of the liquid cooling plate in the first embodiment of the liquid cooling plate, and is not described herein again.
In the second embodiment of the battery box of the present invention, the liquid cooling plate is disposed in the box, and the structure of the liquid cooling plate is the same as that of the liquid cooling plate in the second embodiment of the liquid cooling plate, and therefore, the detailed description thereof is omitted.
In the third embodiment of the battery box of the present invention, the liquid cooling plate is disposed in the box, and the structure of the liquid cooling plate is the same as that of the liquid cooling plate in the third embodiment of the liquid cooling plate, and therefore, the detailed description thereof is omitted.
In a fourth embodiment of the battery box of the present invention, a liquid cooling plate is disposed in the box, and the structure of the liquid cooling plate is the same as that of the liquid cooling plate in the fourth embodiment of the liquid cooling plate, and therefore, the detailed description thereof is omitted.
In a fifth specific embodiment of the battery case of the present invention, a liquid cooling plate is disposed in the case, and the structure of the liquid cooling plate is the same as that of the liquid cooling plate in the fifth embodiment of the liquid cooling plate, which is not described herein again.
Claims (9)
1. The rear end of the plug is used for plugging one end of the runner plate, the plug extends along the left-right direction and is consistent with the width direction of the runner plate, the rear end of the plug is provided with a liquid distribution cavity which is used for being communicated with a runner in the runner plate, and the plug is also provided with an interface which is communicated with the liquid distribution cavity and is used for allowing cooling liquid to enter or flow out of the cold plate; the liquid distribution groove is provided with a necking section in front of the rear notch, and the distance between the groove walls on the two sides of the necking section in the left-right direction is shortened from back to front.
2. The plug according to claim 1, wherein the necking section of the liquid preparation tank extends forward gradually from the rear notch, the liquid preparation tank further comprises an equal-width section connected in front of the necking section, and the distance between the two side tank walls of the equal-width section in the left-right direction is kept constant from back to front.
3. The plug according to claim 1 or 2, wherein the distance between the two side walls of the rear notch is adapted to the width of the liquid distribution chamber in the left-right direction, and the width of the liquid distribution chamber in the left-right direction is adapted to the width of a row of same-direction flow channel groups on the flow channel plate.
4. The plug according to claim 1 or 2, wherein the port is disposed on a front surface of the plug, the port is connected to the channel, the channel is connected to the port at one end and extends rearward and/or downward from the port, and the other end is connected to a communication port disposed on a wall of the channel and located in front of the rear opening.
5. The liquid cooling plate comprises a runner plate and a plug, the rear end of the plug is used for plugging one end of the runner plate, the plug extends along the left-right direction and is consistent with the width direction of the runner plate, the rear end of the plug is provided with a liquid distribution cavity communicated with a flow channel in the runner plate, the plug is also provided with an interface communicated with the liquid distribution cavity and used for allowing cooling liquid to enter or flow out of a cold plate, the liquid cooling plate is characterized in that a liquid distribution groove is formed in the lower surface of the plug, a channel communicated with the liquid distribution groove and the interface is further arranged in the plug, the liquid distribution groove is provided with a downward lower opening, a rear notch communicated with the liquid distribution cavity and two side groove walls distributed left and right, and the plug further comprises a cover plate used for sealing and covering the lower opening of the liquid distribution groove; the liquid distribution groove is provided with a necking section in front of the rear notch, and the distance between the groove walls on the two sides of the necking section in the left-right direction is shortened from back to front.
6. The liquid cooling plate of claim 5, wherein the necking section of the liquid distribution groove extends forward gradually from the rear notch, the liquid distribution groove further comprises an equal-width section connected in front of the necking section, and the distance between the groove walls on the two sides of the equal-width section in the left-right direction is kept constant from back to front.
7. The liquid cooling plate as claimed in claim 5 or 6, wherein a plurality of rows of the channel plate are provided with the same-direction channel groups, each row of the channel group comprises a plurality of channels which are adjacent to each other and have the same flow direction of the cooling liquid, the distance between the two side walls of the rear notch is matched with the width of the liquid distribution cavity in the left-right direction, and the width of the liquid distribution cavity in the left-right direction is matched with the width of the row of the channel plate.
8. The liquid cooling plate as claimed in claim 5 or 6, wherein the port is disposed on the surface of the plug in front of the liquid distribution chamber, one end of the channel communicating with the liquid distribution tank is connected to the port and the channel extends backward and/or downward from the port, and the other end of the channel is connected to a communication port disposed on the wall of the liquid distribution tank in front of the rear notch.
9. Battery box, comprising a liquid-cooled plate, characterized in that the liquid-cooled plate is according to any one of claims 5-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811393397.XA CN111211372A (en) | 2018-11-21 | 2018-11-21 | Plug, liquid cooling plate and battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811393397.XA CN111211372A (en) | 2018-11-21 | 2018-11-21 | Plug, liquid cooling plate and battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111211372A true CN111211372A (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811393397.XA Pending CN111211372A (en) | 2018-11-21 | 2018-11-21 | Plug, liquid cooling plate and battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111211372A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113747759A (en) * | 2021-08-30 | 2021-12-03 | 无锡格林沃科技有限公司 | Die-casting type liquid cooling device and manufacturing method thereof |
-
2018
- 2018-11-21 CN CN201811393397.XA patent/CN111211372A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113747759A (en) * | 2021-08-30 | 2021-12-03 | 无锡格林沃科技有限公司 | Die-casting type liquid cooling device and manufacturing method thereof |
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