CN219959141U

CN219959141U - Energy storage liquid cooling box

Info

Publication number: CN219959141U
Application number: CN202321217038.5U
Authority: CN
Inventors: 吴志伟
Original assignee: Jinbaoli Jiangsu New Energy Technology Co ltd
Current assignee: Jinbaoli Jiangsu New Energy Technology Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-11-03
Anticipated expiration: 2033-05-18

Abstract

The utility model discloses an energy storage liquid cooling box body, which comprises a liquid cooling plate, wherein the liquid cooling plate comprises a first bottom plate, a second bottom plate, a first side plate, a second side plate, a first plug and a second plug, the first bottom plate and the second bottom plate are oppositely arranged, the first side plate and the second side plate are oppositely arranged and are respectively fixedly installed with the first bottom plate and the second bottom plate, the first bottom plate, the second bottom plate, the first side plate, the second side plate, the first plug and the second plug are oppositely arranged and are respectively fixedly installed with the first bottom plate and the second bottom plate, a cooling flow channel is formed by encircling the first bottom plate, the second bottom plate, the first plug and the second plug, a liquid inlet and a liquid outlet are respectively communicated with the cooling flow channel, and a turbulent piece extending into the cooling flow channel is arranged on the first plug and/or the second plug. According to the utility model, the turbulence piece is arranged in the cooling flow channel, and the cooling liquid near the first plug and/or the second plug can improve the local flow velocity of the cooling liquid under the action of the turbulence piece, so that the local heat exchange area is increased, the heat dissipation efficiency and the heat dissipation effect are improved, and the uniform heat dissipation is facilitated.

Description

Energy storage liquid cooling box

Technical Field

The utility model belongs to the technical field of battery heat dissipation, and particularly relates to an energy storage liquid cooling box body.

Background

With the increasing use of new energy vehicles, the range of alternative cooling modes for the power battery system of the new energy vehicles is severely narrowed. The air cooling system is excluded from the application field of passenger vehicles, and the water cooling system is the main stream. In order to improve cooling efficiency, the area of the liquid cooling plate is often larger and larger, but uneven heat dissipation is caused, and the local heat dissipation efficiency is reduced.

Therefore, in view of the above technical problems, it is necessary to provide an energy storage liquid cooling tank.

Disclosure of Invention

In view of the above, the present utility model is directed to an energy storage liquid cooling tank.

In order to achieve the above object, an embodiment of the present utility model provides the following technical solution:

the utility model provides an energy storage liquid cooling box, includes the liquid cooling board, the liquid cooling board include first bottom plate and the second bottom plate that set up relatively, set up relatively and respectively with first bottom plate and second bottom plate fixed mounting's first curb plate and second curb plate, and set up relatively and respectively with first bottom plate and second bottom plate fixed mounting's first end cap and second end cap, first bottom plate, second bottom plate, first curb plate, second curb plate, first end cap and second end cap enclose to establish and are formed with the cooling runner, be equipped with inlet and liquid outlet on the first bottom plate, inlet and liquid outlet are linked together with the cooling runner respectively, be equipped with the vortex piece that extends to the cooling runner inside on first end cap and/or the second end cap.

In one embodiment, a flow limiting plate is disposed between the first bottom plate and the second bottom plate.

In an embodiment, the spoiler is disposed between the restrictor plates, between the restrictor plates and the first side plate, or between the restrictor plates and the second side plate.

In one embodiment, the restrictor plate comprises:

the first current limiting plate is abutted against the first plug or the second plug;

and the second current limiting plate is arranged at intervals with the first plug and the second plug.

In one embodiment, the first current limiting plate is alternately arranged with the first plug and the second plug; the second flow limiting plates are arranged between the adjacent first flow limiting plates or between the first flow limiting plates and the first side plates or between the first flow limiting plates and the second side plates.

In an embodiment, a spiral groove or a spiral protrusion is formed on the outer side wall of the spoiler.

In an embodiment, the axial direction of the spoiler is parallel to the length direction of the first side plate, and the spiral groove or the spiral protrusion extends spirally along the axial direction of the spoiler.

In an embodiment, the energy storage liquid cooling box further comprises a first end plate and a second end plate which are oppositely arranged and fixedly installed with the first bottom plate, the first side plate and the second side plate respectively, the first end plate, the first side plate, the second end plate, the second side plate and the first bottom plate enclose to form a containing cavity, and the liquid inlet and the liquid outlet are arranged outside the containing cavity.

In an embodiment, the energy storage liquid cooling box further comprises a first connecting plate and a second connecting plate which are oppositely arranged and respectively fixedly installed with the first side plate and the second side plate, and a third connecting plate and a fourth connecting plate which are oppositely arranged and respectively fixedly installed with the first end plate and the second end plate, wherein two ends of the third connecting plate and two ends of the fourth connecting plate are respectively fixedly installed with the first connecting plate and the second connecting plate.

In an embodiment, the energy storage liquid cooling box further comprises a module installation beam, and the module installation beam is fixedly installed on the first bottom plate.

The utility model has the following beneficial effects:

according to the energy storage liquid cooling box, the turbulence piece is arranged in the cooling flow channel, and the cooling liquid near the first plug and/or the second plug can improve the flow speed of the local cooling liquid under the action of the turbulence piece, so that the local heat exchange area is increased, the heat dissipation efficiency and the heat dissipation effect are improved, and the uniform heat dissipation is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic perspective view of a liquid cooling plate according to an embodiment of the present utility model;

FIG. 2 is a schematic top view of a liquid cooling plate according to an embodiment of the utility model;

FIG. 3 is a schematic cross-sectional view of the structure at A-A in FIG. 2;

FIG. 4 is a schematic diagram illustrating a front view of a liquid cooling plate according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of the structure at B-B in FIG. 4;

FIG. 6 is an enlarged view of a partial structure at A in FIG. 5;

fig. 7 is a schematic perspective view of an energy storage liquid cooling tank according to an embodiment of the utility model.

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 embodiments of the present utility model, it should be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on those shown in the drawings, or those conventionally put in place when the product of the application is used, or those conventionally understood by those skilled in the art, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the embodiments of the present utility model, it should be further noted that, as used herein, the terms "first," "second," and the like do not denote any order or sequence, but rather are merely used to distinguish one element or operation from another.

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

The technical scheme of the utility model will be described below with reference to the accompanying drawings.

Referring to fig. 1 to 5, the energy storage liquid cooling tank according to an embodiment of the present utility model includes a liquid cooling plate 1, where the liquid cooling plate 1 includes a first bottom plate 11 and a second bottom plate 12 that are oppositely disposed, a first side plate 13 and a second side plate 14 that are oppositely disposed and fixedly mounted with the first bottom plate 11 and the second bottom plate 12, and a first plug 15 and a second plug 16 that are oppositely disposed and fixedly mounted with the first bottom plate 11 and the second bottom plate 12, a cooling flow channel is formed around the first bottom plate 11, the second bottom plate 12, the first side plate 13, the second side plate 14, the first plug 15 and the second plug 16, a liquid inlet 111 and a liquid outlet 112 are disposed on the first bottom plate 11, the liquid inlet 111 and the liquid outlet 112 are respectively communicated with the cooling flow channel, and a spoiler 17 extending into the cooling flow channel is disposed on the first plug 15 and/or the second plug 16.

According to the design, in this embodiment, by arranging the spoiler 17 in the cooling flow channel, the cooling liquid near the first plug 15 and/or the second plug 16 can improve the local flow velocity of the cooling liquid, increase the local heat exchange area, and improve the heat dissipation efficiency under the action of the spoiler 17.

It should be noted that, in this embodiment, the liquid cooling plate 1, the first plug 15 and the second plug 16 are formed by friction welding, so as to ensure tightness and strength of the tank body of the energy storage liquid, and prevent the overflow of the cooling liquid.

It should be noted that, the energy storage liquid cooling box in this embodiment may accommodate the battery core meeting the accommodating standard, and heat exchange may be performed on the battery core through the liquid cooling plate 1, so as to cool the battery core. Compared with an air-cooled sheet metal energy storage box body, the liquid cooling heat dissipation efficiency is higher, and the requirement of larger battery energy density can be met.

The battery core may include a lithium ion secondary battery cell, a lithium ion primary battery cell, a lithium sulfur battery cell, a sodium lithium ion battery cell, a sodium ion battery cell, a magnesium ion battery cell, or the like. The battery cell can be in a cylinder, a flat body, a cuboid or other shapes, etc. The cells are generally divided into three types in a packaging manner: cylindrical battery cell, square battery cell and soft package battery cell. The embodiment of the utility model is not limited to the specific form of the battery cell.

In one or more embodiments, referring to fig. 5, a flow restrictor plate 18 is disposed between the first base plate 11 and the second base plate 12 in this embodiment. Through the setting of current limiting plate 18, can increase the length of cooling runner, the coolant liquid flows in from inlet 111, flows through behind a plurality of current limiting plates 18, flows from liquid outlet 112, and the coolant liquid can carry out heat transfer to the electric core in the energy storage liquid cold box to the heat dissipation of cooling to the electric core.

In one or more embodiments, referring to fig. 5, in order to improve the cooling effect of the cooling liquid in the cooling flow channel, the spoiler 17 in the present embodiment is disposed between the restrictor 18, or between the restrictor 18 and the first side plate 13, or between the restrictor 18 and the second side plate 14.

Wherein, when only one flow limiting plate 18 is provided, and only one flow disturbing member 17 is provided, the flow disturbing member 17 is arranged between the flow limiting plate 18 and the first side plate 13, or the flow disturbing member 17 is arranged between the flow limiting plate 18 and the second side plate 14; when the spoiler 17 is provided in plurality, the spoiler 17 may be disposed between the restrictor plate 18 and the first side plate 13; and/or the spoiler 17 may be disposed between the restrictor panel 18 and the second side plate 14.

When the flow limiting plates 18 are provided in plurality, the flow disturbing member 17 may be disposed between the flow limiting plates 18, between the flow limiting plates 18 and the first side plate 13, or between the flow limiting plates 18 and the second side plate 14 when one flow disturbing member 17 is provided; when the spoiler 17 is provided in plurality, the spoiler 17 may be provided between the restrictor plates 18; and/or between the restrictor plate 18 and the first side plate 13; and/or between the flow-limiting plate 18 and the second side plate 14, the above technical solutions can achieve the object of the present utility model without departing from the spirit and scope of the present utility model, so those skilled in the art should understand that these technical solutions are all within the protection scope of the present utility model.

In one or more embodiments, and referring to fig. 5, the restrictor plate 18 in this embodiment includes: the first current limiting plate 181 is abutted against the first plug 15 or the second plug 16; the second flow limiting plate 182 is spaced apart from the first plug 15 and the second plug 16.

The present utility model is not limited thereto, and in one embodiment, the flow-limiting plate 18 includes only the first flow-limiting plate 181 abutting against the first plug 15 or the second plug 16; in another embodiment, the flow limiting plate 18 includes only the second flow limiting plate 182 spaced from the first plug 15 and the second plug 16, which can drain the cooling liquid in the cooling flow channel to a certain extent and/or increase the length of the cooling flow channel.

In one or more embodiments, referring to fig. 5, the first flow-limiting plate 181 in this embodiment is alternately arranged with the first plug 15 and the second plug 16; the second flow limiting plate 182 is disposed between adjacent first flow limiting plates 181 or between the first flow limiting plates 181 and the first side plates 13 or between the first flow limiting plates 181 and the second side plates 14.

According to the design, the cooling flow channel can be divided into a plurality of first cooling sections and second cooling sections with opposite flow directions through the arrangement of the first flow limiting plate 181.

It should be noted that one or more of the first restrictor plates 181 may be provided; when the first flow limiting plates 181 are arranged in an odd number, the cooling flow channels are provided with the first cooling sections and the second cooling sections with the same number under the separation of the first flow limiting plates 181, the cooling liquid flowing directions of the first cooling sections and the second cooling sections are opposite, and the liquid inlet 111 and the liquid outlet 112 are arranged on one side of the liquid cooling plate 1 along the length direction of the first side plate 13; when the number of the first flow-limiting plates 181 is even, the number of the first cooling sections of the cooling flow channel is one more than the number of the second cooling sections under the separation of the first flow-limiting plates 181, and the liquid inlet 111 and the liquid outlet 112 are respectively disposed on two sides of the liquid cooling plate 1 along the length direction of the first side plate 13.

In addition, the second current limiting plate 182 may be provided with one or more sections for separating the cooling liquid in the first cooling section or the second cooling section, and the second current limiting plate 182 also has a drainage function, so that the cooling liquid in the cooling flow channel can be guided to move along the drainage direction, and the cooling liquid can flow in the liquid cooling plate 1 more uniformly, so that a part of the cooling liquid and the battery core are prevented from excessively exchanging heat, and the uniform heat dissipation of the liquid cooling plate 1 is affected.

Wherein, only a plurality of second current limiting plates 182 are arranged between the first current limiting plate 181 and the first side plate 13; or, only a plurality of second flow limiting plates 182 are arranged between the first flow limiting plate 181 and the second side plate 14; or, a plurality of second current limiting plates 182 are arranged between two adjacent first current limiting plates 181; or a combination of the two; or, all three settings are provided. The technical solutions can achieve the purpose of the present utility model without departing from the design concept and the spirit of the present utility model, so those skilled in the art should understand that the above technical solutions are all within the protection scope of the present utility model.

It should be noted that, the liquid cooling plate 1 in this embodiment is directly formed by extruding a multi-cavity type section plate (different cooling requirements only need to select different multi-cavity type section plates to process and be the liquid cooling plate 1, and the first plugs 15 and the second plugs 16 are fixedly installed at two ends of the multi-cavity type section plate formed by extrusion, so that the cooling flow channel is directly formed by directly passing through the cavity inside the section plate, the processing is convenient, and the production cost is reduced.

In one or more embodiments, referring to fig. 6, in order to facilitate the turbulence effect on the cooling liquid in the cooling flow passage and increase the local heat exchange area, the outer side wall of the turbulence member 17 in this embodiment is provided with a spiral groove 171 or a spiral protrusion 172.

In one or more embodiments, referring to fig. 5, in order to drain the cooling liquid to improve the local flow rate of the cooling liquid while forming the turbulence, the axial direction of the turbulence member 17 in this embodiment is parallel to the length direction of the first side plate 13, and the spiral groove 171 or the spiral protrusion 172 extends spirally along the axial direction of the turbulence member 17. The arrangement of the turbulence piece 17 is convenient for radiating the battery cell and improves the radiating efficiency.

In one or more embodiments, referring to fig. 7, the energy storage liquid cooling tank in this embodiment further includes a first end plate 2 and a second end plate 3 that are disposed opposite to each other and fixedly mounted with the first bottom plate 11, the first side plate 13, and the second side plate 14, where the first end plate 2, the first side plate 13, the second end plate 3, the second side plate 14, and the first bottom plate 11 enclose a receiving cavity, and the liquid inlet 111 and the liquid outlet 112 are disposed outside the receiving cavity.

The first end plate 2 and the second end plate 3 are assembled with the liquid cooling plate 1 by arc welding, respectively.

According to the design, the battery cell in the embodiment can be fixedly arranged in the accommodating cavity; meanwhile, the liquid inlet 111 and the liquid outlet 112 are arranged outside the accommodating cavity, so that cooling liquid is conveniently added into the liquid cooling plate 1.

In one or more embodiments, referring to fig. 7, in order to facilitate the fixed installation of the top plate on the energy storage liquid cooling box body, so as to isolate the battery core from the outside, prevent the battery core from leaking, and improve the safety, the energy storage liquid cooling box body in this embodiment further includes a first connecting plate 5 and a second connecting plate 6 which are oppositely disposed and fixedly installed with a first side plate 13 and a second side plate 14 respectively, and a third connecting plate 7 and a fourth connecting plate 8 which are oppositely disposed and fixedly installed with the first end plate 2 and the second end plate 3 respectively, and two ends of the third connecting plate 7 and two ends of the fourth connecting plate 8 are fixedly installed with the first connecting plate 5 and the second connecting plate 6 respectively.

In one or more embodiments, referring to fig. 7, in order to facilitate the assembly and fixing of the battery cells, the energy storage liquid cooling box in this embodiment further includes a module mounting beam 4, where the module mounting beam 4 is fixedly mounted on the first bottom plate 11.

In the present embodiment, the module mounting beam 4 and the liquid cooling plate 1 are assembled by arc welding.

The technical scheme shows that the utility model has the following beneficial effects:

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments in terms of embodiments, not every embodiment is provided with a separate technical solution, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the technical solutions in the embodiments may be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. The utility model provides an energy storage liquid cooling box, includes the liquid cooling board, its characterized in that, the liquid cooling board include first bottom plate and the second bottom plate that set up relatively, set up relatively and respectively with first bottom plate and second bottom plate fixed mounting's first curb plate and second curb plate, and set up relatively and respectively with first bottom plate and second bottom plate fixed mounting's first end cap and second end cap, first bottom plate, second bottom plate, first curb plate, second curb plate, first end cap and second end cap enclose and establish and are formed with the cooling runner, be equipped with inlet and liquid outlet on the first bottom plate, inlet and liquid outlet are linked together with the cooling runner respectively, be equipped with the vortex piece that extends to the cooling runner inside on first end cap and/or the second end cap.

2. The energy storage liquid cooling tank of claim 1 wherein a restrictor plate is disposed between the first and second bottom plates.

3. The tank of claim 2, wherein the turbulence member is disposed between the flow restricting plates, between the flow restricting plates and the first side plate, or between the flow restricting plates and the second side plate.

4. The energy storage liquid cooling tank of claim 2 wherein the restrictor plate comprises:

5. The energy storage liquid cooling tank of claim 4 wherein the first flow restricting plate is arranged alternately with the first plug and the second plug; the second flow limiting plates are arranged between the adjacent first flow limiting plates or between the first flow limiting plates and the first side plates or between the first flow limiting plates and the second side plates.

6. The energy storage liquid cooling tank of claim 1 wherein the outer sidewall of the spoiler is provided with a spiral groove or a spiral protrusion.

7. The energy storage liquid cooling tank of claim 6 wherein the axial direction of the spoiler is parallel to the length direction of the first side plate, and the helical groove or helical protrusion extends helically along the axial direction of the spoiler.

8. The energy storage liquid cooling box of claim 1, further comprising a first end plate and a second end plate disposed opposite to each other and fixedly mounted to the first bottom plate, the first side plate, and the second side plate, respectively, wherein the first end plate, the first side plate, the second end plate, the second side plate, and the first bottom plate enclose a housing cavity, and the liquid inlet and the liquid outlet are disposed outside the housing cavity.

9. The energy storage liquid cooling box of claim 8 further comprising first and second connection plates disposed opposite each other and fixedly mounted to the first and second side plates, respectively, and third and fourth connection plates disposed opposite each other and fixedly mounted to the first and second end plates, respectively, wherein both ends of the third and fourth connection plates are fixedly mounted to the first and second connection plates, respectively.

10. The energy storage liquid cooling tank of claim 1 further comprising a module mounting beam fixedly mounted to the first base plate.