CN219350381U

CN219350381U - Liquid cooling connects and battery box

Info

Publication number: CN219350381U
Application number: CN202320206988.1U
Authority: CN
Inventors: 郑琳
Original assignee: Shanghai Lanjun New Energy Technology Co Ltd
Current assignee: Shanghai Lanjun New Energy Technology Co Ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-07-14
Anticipated expiration: 2033-02-13

Abstract

The embodiment of the utility model provides a liquid cooling connector and a battery box, and relates to the technical field of batteries. The liquid cooling joint is internally provided with a vertical flow channel, one side of the liquid cooling joint is provided with a mounting wall, a boss is convexly arranged on the mounting wall, the liquid cooling joint is also provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet penetrate through the mounting wall and the boss, and the liquid inlet and the liquid outlet are communicated with the vertical flow channel; the boss is used for propping against the liquid cooling pipeline inserted into the liquid inlet and outlet, and can eliminate the blocking phenomenon of the vertical flow passage in the liquid cooling joint caused by the fact that the liquid cooling pipeline stretches into the liquid cooling joint to a certain extent.

Description

Liquid cooling connects and battery box

Technical Field

The utility model relates to the technical field of batteries, in particular to a liquid cooling connector and a battery box.

Background

With the development of the battery industry, the variety of the liquid cooling connectors is also increasing, so that the installation structure of the liquid cooling connector also encounters more and more problems.

The existing battery pack is compact in arrangement space, the liquid cooling connector cannot be directly communicated to the flow channel of the bottom plate of the box body, the liquid cooling connector is required to be arranged in the side wall of the battery pack, and the liquid cooling connector is communicated with the flow channel of the bottom plate of the box body through the vertical flow channel in the liquid cooling connector. However, the side wall of the battery pack is affected by the compact space and cannot move inwards, and the liquid cooling pipeline stretches into the liquid cooling connector to cause the blocking phenomenon of a vertical flow passage in the liquid cooling connector.

Disclosure of Invention

The utility model aims at providing a liquid cooling joint, which can eliminate the blocking phenomenon of a vertical flow passage in the liquid cooling joint caused by extending a liquid cooling pipeline into the liquid cooling joint to a certain extent.

Embodiments of the utility model may be implemented as follows:

the embodiment of the utility model provides a liquid cooling joint, wherein a vertical flow channel is arranged in the liquid cooling joint, one side of the liquid cooling joint is provided with a mounting wall, a boss is convexly arranged on the mounting wall, the liquid cooling joint is also provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet penetrate through the mounting wall and the boss, and the liquid inlet and the liquid outlet are communicated with the vertical flow channel; the boss is used for propping against a liquid cooling pipeline inserted into the liquid inlet and outlet.

Optionally, the protruding height of establishing of boss is 3-5mm, the liquid cooling connects and sets up the thickness of the lateral wall of business turn over liquid mouth is 2-4mm.

Optionally, the boss is annular, the boss ring is located the business turn over liquid mouth.

Optionally, a connection hole is formed in the boss, and the boss is used for being connected with the liquid cooling pipeline through the connection hole.

Optionally, the connecting hole is the screw hole, the quantity of screw hole is a plurality of, and a plurality of the screw hole is followed the circumference of boss is seted up in proper order.

Optionally, the outer diameter of the boss is 30-50mm.

The embodiment of the utility model also provides a battery box, which comprises the liquid cooling connector.

Optionally, the battery box includes first boundary beam, second boundary beam and box bottom plate, first boundary beam the second boundary beam with the box bottom plate encloses into the cavity that is used for holding the battery, the liquid cooling joint inlays and locates in the first boundary beam.

Optionally, a plug is arranged at the bottom of the first side beam, and the plug is located between the first side beam and the bottom plate of the box body;

the plug faces the surface of the first side beam and is provided with a first through hole, the surface of the plug faces the bottom plate of the box body and is provided with a second through hole, the vertical flow channel is communicated with the first through hole, the first through hole is communicated with the second through hole, and the second through hole is communicated with the flow channel in the bottom plate of the box body.

Optionally, a transverse flow channel communicated with the vertical flow channel is arranged in the liquid cooling joint, and the transverse flow channel is communicated with the first through hole.

The liquid cooling connector and the battery box have the beneficial effects that: in order to eliminate the blocking phenomenon of the vertical runner in the liquid cooling joint caused by the fact that the liquid cooling pipeline stretches into the liquid cooling joint, a boss is convexly arranged on the installation wall of the liquid cooling joint, when the liquid cooling pipeline outside stretches into the liquid cooling joint through the liquid inlet and the liquid outlet, the liquid cooling pipeline can be abutted against the boss, so that the liquid cooling pipeline is limited to be inserted into the depth of the liquid inlet and the liquid outlet, the liquid cooling pipeline can not invade into the vertical runner, and the blocking phenomenon of the vertical runner in the liquid cooling joint caused by the fact that the liquid cooling pipeline stretches into the liquid cooling joint is well eliminated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a battery box in an embodiment of the present application;

FIG. 2 is a schematic diagram of a liquid-cooled joint according to an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of a liquid cooling pipeline according to an embodiment of the present disclosure;

FIG. 4 is a cross-sectional view of an embodiment of the present application showing the mating relationship of a liquid cooled fitting to a liquid cooled conduit;

fig. 5 is a schematic partial structure of a plug according to an embodiment of the present application.

Icon: 10-a battery box; a 100-liquid cooled joint; 110-vertical flow channels; 120-liquid inlet and outlet; 130-mounting walls; 131-a boss; 132-connecting holes; 140-transverse flow channels; 200-a first side beam; 210-plugs; 211-a first through hole; 212-a second via; 300-a second side beam; 400-box bottom plate; 500-liquid cooling pipeline; 510-extensions; 520-abutment.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.

The inventor of the application discovers that current liquid cooling pipeline stretches into behind the liquid cooling joint and can make the vertical runner in the liquid cooling joint appear blocking phenomenon, and the embodiment of the application provides a battery box, is used for solving this technical problem at least.

Referring to fig. 1-4, a battery box 10 provided in an embodiment of the present application includes a liquid cooling connector 100, a first side beam 200, a second side beam 300, and a box bottom plate 400, where the first side beam 200, the second side beam 300, and the box bottom plate 400 enclose a cavity for accommodating a battery, and the liquid cooling connector 100 is embedded in the first side beam 200.

It should be noted that, the first side beams 200 are oppositely disposed two, the second side beams 300 are oppositely disposed two, the two first side beams 200 and the two second side beams 300 enclose a battery outer frame, the box bottom plate 400 is connected to the bottom of the battery outer frame, the box bottom plate 400 and the battery outer frame enclose a chamber for accommodating a battery, and a flow channel is provided in the box bottom plate 400.

In other embodiments, the liquid-cooled joint 100 may also be embedded in the second boundary beam 300.

The liquid cooling joint 100 is internally provided with a vertical runner 110 which is used for being communicated with a runner in a box bottom plate 400, one side of the liquid cooling joint 100 is provided with a mounting wall 130, the mounting wall 130 is convexly provided with a boss 131, the liquid cooling joint 100 is also provided with a liquid inlet and outlet 120, the liquid inlet and outlet 120 penetrates through the mounting wall 130 and the boss 131, and the liquid inlet and outlet 120 is communicated with the vertical runner 110; the boss 131 is used to abut against the liquid cooling pipe 500 inserted into the liquid inlet/outlet 120, thereby limiting the depth of the liquid cooling pipe 500 inserted into the liquid inlet/outlet 120.

When the external liquid cooling pipeline 500 extends into the liquid cooling joint 100 through the liquid inlet and outlet 120, the surface of the boss 131, which is away from the vertical flow channel 110, is abutted against the liquid cooling pipeline 500, and the distance that the liquid cooling pipeline 500 extends into the liquid cooling joint 100 is smaller than or equal to the sum of the height of the boss 131 and the thickness of the installation wall 130 of the liquid cooling joint 100.

It should be noted that, when the liquid cooling joint 100 is embedded in the first side beam 200, the extending direction of the vertical flow channel 110 is consistent with the height direction of the first side beam 200, and the opening direction of the liquid inlet 120 is perpendicular to the extending direction of the vertical flow channel 110; the liquid cooling pipeline 500 is provided with an extension portion 510 and an abutting portion 520 which are connected, the extension portion 510 extends into the liquid cooling joint 100 through the liquid inlet and outlet 120, the abutting portion 520 abuts against the surface of the boss 131, which is away from the vertical flow channel 110, and the distance that the liquid cooling pipeline 500 extends into the liquid cooling joint 100, namely, the length of the extension portion 510 is smaller than or equal to the sum of the height of the boss 131 and the thickness of the mounting wall 130.

In order to eliminate the blocking phenomenon of the vertical flow channel 110 in the liquid cooling joint 100 caused by the liquid cooling pipeline 500 extending into the liquid cooling joint 100, the boss 131 is protruded on the mounting wall 130, when the extension portion 510 of the liquid cooling pipeline 500 extends into the liquid cooling joint 100 through the liquid inlet and outlet port 120, the abutting portion 520 of the liquid cooling pipeline 500 abuts against the boss 131, and the length of the extension portion 510 is smaller than or equal to the sum of the height of the boss 131 and the thickness of the mounting wall 130, so that the extension portion 510 cannot invade into the vertical flow channel 110, and the blocking phenomenon of the vertical flow channel 110 caused by the liquid cooling pipeline 500 extending into the liquid cooling joint 100 and invading into the vertical flow channel 110 is well eliminated.

It should be noted that, the liquid cooling joint 100 may be a liquid inlet joint or a liquid outlet joint, and when the liquid cooling joint 100 is a liquid inlet joint, the liquid cooling pipeline 500 where the liquid inlet joint is in butt joint is a liquid inlet pipeline; when the liquid-cooled joint 100 is a liquid-cooled joint, the liquid-cooled pipe 500 to which the liquid-cooled joint is butted is a liquid-cooled pipe.

In an alternative embodiment, the boss 131 has a boss height H1 of 3-5mm and the mounting wall 130 has a thickness T of 2-4mm.

It should be noted that, the height direction of the boss 131 and the thickness direction of the mounting wall 130 are both consistent with the opening direction of the liquid inlet/outlet 120.

For example, the boss 131 has a boss height H1 of 3mm, 4mm or 5mm, and the mounting wall 130 has a thickness T of 2mm, 3mm or 4mm.

Preferably, the boss 131 has a boss height H1 of 4mm, the mounting wall 130 has a thickness T of 3mm, and the extension portion 510 has a length H2 of 7mm, so that the extension portion 510 does not intrude into the vertical flow channel 110 when the extension portion 510 is inserted from the inlet/outlet 120.

It is understood that the protruding height H1 of the boss 131 and the thickness T of the mounting wall 130 may be determined according to actual conditions.

In an alternative embodiment, the boss 131 is annular, and the boss 131 is disposed around the liquid inlet 120.

In other embodiments, the boss 131 may also be formed by a plurality of spaced bosses disposed around the liquid inlet 120.

In an alternative embodiment, the boss 131 is provided with a connection hole 132, and the boss 131 is used to connect with the liquid cooling pipe 500 through the connection hole 132.

When the abutting portion 520 of the liquid cooling pipe 500 abuts against the boss 131, the boss 131 is connected to the abutting portion 520 through the connection hole 132, so that the liquid cooling pipe 500 and the liquid cooling joint 100 are detachably connected.

In an alternative embodiment, the connection holes 132 are screw holes, the number of which is plural, and the plural screw holes are sequentially opened along the circumferential direction of the boss 131.

It should be noted that, when the connecting hole 132 is a screw hole, through holes corresponding to the screw holes on the boss 131 are also formed on the abutting portion 520 of the liquid cooling pipeline 500, and the number of the through holes is consistent with the number of the screw holes and corresponds to the number of the screw holes one by one, so that the screws penetrate through the through holes to be in threaded fit with the screw holes, and the detachable connection of the liquid cooling pipeline 500 and the liquid cooling joint 100 is realized.

When the depth of the screw hole in the boss 131 is insufficient, a screw groove communicating with the screw hole is formed in the mounting wall 130 to be engaged with the screw.

In an alternative embodiment, the outer diameter of the boss 131 is 30-50mm.

It should be noted that, in the case where the boss 131 is annular, the outer diameter of the boss 131 is 30-50mm; for example, the outer diameter of the boss 131 is 30mm, 40mm or 50mm, and the outer diameter of the boss 131 may be determined according to actual conditions.

Referring to fig. 5, in an alternative embodiment, a plug 210 is disposed at the bottom of the first side sill 200, and the plug 210 is located between the first side sill 200 and the box bottom plate 400; the surface of the plug 210 facing the first side beam 200 is provided with a first through hole 211, the surface of the plug 210 facing the box body bottom plate 400 is provided with a second through hole 212, the vertical flow channel 110 is communicated with the first through hole 211, the first through hole 211 is communicated with the second through hole 212, and the second through hole 212 is communicated with the flow channel in the box body bottom plate 400.

It should be noted that, the bottom surface of the first side beam 200 is approximately flush with the top surface of the bottom plate 400 of the box body, and a plug 210 is disposed between the bottom surface of the first side beam 200 and the side surface of the bottom plate 400 of the box body facing the first side beam 200; the number of the first through holes 211 and the second through holes 212 may be one or more, and when the number of the first through holes 211 and the second through holes 212 is plural, the plurality of first through holes 211 are communicated with the plurality of second through holes 212 in one-to-one correspondence, the vertical flow channels 110 are simultaneously communicated with the plurality of first through holes 211, and the flow channels in the bottom plate 400 of the box body are simultaneously communicated with the plurality of second through holes 212.

In an alternative embodiment, a transverse flow channel 140 is disposed in the liquid-cooled joint 100 and communicates with the vertical flow channel 110, and the transverse flow channel 140 communicates with the first through hole 211.

It should be noted that, the transverse flow channel 140 is perpendicular to the extending direction of the vertical flow channel 110, the transverse flow channel 140 is located at the bottom of the liquid cooling joint 100, and when the number of the first through holes 211 and the second through holes 212 is plural and the liquid cooling joint 100 is a liquid inlet joint, the transverse flow channel 140 can split the cooling liquid flowing in through the vertical flow channel 110 into the plural first through holes 211; when the number of the first through holes 211 and the number of the second through holes 212 are plural, and the liquid-cooled joint 100 is a liquid-cooled joint, the lateral flow channels 140 can merge the cooling liquid flowing in through the flow channels of the bottom plate 400 of the tank and pass into the vertical flow channels 110.

In summary, in order to eliminate the blocking phenomenon of the vertical flow channel 110 in the liquid cooling joint 100 caused by the liquid cooling pipe 500 extending into the liquid cooling joint 100, the boss 131 is protruded on the mounting wall 130, when the extension portion 510 of the liquid cooling pipe 500 extends into the liquid cooling joint 100 through the inlet/outlet port 120, the abutment portion 520 of the liquid cooling pipe 500 abuts against the boss 131, and the length of the extension portion 510 is less than or equal to the sum of the protruding height of the boss 131 and the thickness of the mounting wall 130, so that the extension portion 510 cannot intrude into the vertical flow channel 110, and the blocking phenomenon of the vertical flow channel 110 caused by the liquid cooling pipe 500 invading into the vertical flow channel 110 is eliminated.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The liquid cooling connector is characterized in that a vertical flow channel is arranged in the liquid cooling connector, one side of the liquid cooling connector is provided with a mounting wall, a boss is convexly arranged on the mounting wall, the liquid cooling connector is also provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet penetrate through the mounting wall and the boss, and the liquid inlet and the liquid outlet are communicated with the vertical flow channel; the boss is used for propping against a liquid cooling pipeline inserted into the liquid inlet and outlet.

2. The liquid cooling joint according to claim 1, wherein the protruding height of the boss is 3-5mm, and the thickness of the side wall of the liquid inlet and outlet is 2-4mm.

3. The liquid cooled fitting of claim 1 wherein the boss is annular and the boss is annular about the liquid inlet and outlet.

4. The liquid-cooled joint of claim 3, wherein the boss is provided with a connection hole, and the boss is used for being connected with the liquid-cooled pipeline through the connection hole.

5. The liquid cooling joint according to claim 4, wherein the connecting holes are screw holes, the number of the screw holes is plural, and the plural screw holes are sequentially opened along the circumferential direction of the boss.

6. The liquid cooled joint of claim 3 wherein the boss has an outer diameter of 30-50mm.

7. A battery box comprising the liquid-cooled connector of any one of claims 1-6.

8. The battery box of claim 7, wherein the battery box comprises a first side rail, a second side rail, and a box floor, the first side rail, the second side rail, and the box floor enclose a chamber for receiving a battery, and the liquid-cooled joint is embedded in the first side rail.

9. The battery box of claim 8, wherein a plug is provided at the bottom of the first side rail and is located between the first side rail and the box floor;

10. The battery box of claim 9, wherein a transverse flow channel is provided in the liquid-cooled connector in communication with the vertical flow channel, the transverse flow channel in communication with the first through hole.