CN219068738U - High-voltage box and battery assembly - Google Patents
High-voltage box and battery assembly Download PDFInfo
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- CN219068738U CN219068738U CN202222882746.2U CN202222882746U CN219068738U CN 219068738 U CN219068738 U CN 219068738U CN 202222882746 U CN202222882746 U CN 202222882746U CN 219068738 U CN219068738 U CN 219068738U
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- 238000001816 cooling Methods 0.000 claims abstract description 88
- 239000000110 cooling liquid Substances 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims description 64
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
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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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Abstract
The utility model provides a high-voltage box and a battery assembly, wherein the high-voltage box comprises a plurality of side plates and a bottom plate, the side plates are arranged on the periphery of the bottom plate and are enclosed with the bottom plate to form a containing groove, and the containing groove is used for containing components; the high-pressure box is provided with a cooling flow passage, and the cooling flow passage passes through at least one side plate; the cooling flow channel is used for containing cooling liquid or flowing through the cooling liquid, the cooling liquid in the cooling flow channel exchanges heat with the side plates, at the moment, the cooling flow channel at least passes through one side plate, the cooling liquid in the cooling flow channel exchanges heat with the side plates and dissipates heat of the side plates and components in the containing groove, so that the overall service life of the components and the battery assembly is prolonged, in addition, the cooling flow channel cools the components along different directions, and the heat dissipation capacity of the high-pressure box is improved, so that the load capacity of the high-pressure box is improved.
Description
Technical Field
The application belongs to the technical field of batteries, and particularly relates to a high-voltage box and a battery assembly.
Background
Along with development of science and technology, battery pack wide application in electronic equipment, new energy automobile to belong to power battery package, battery pack includes high-pressure case and components and parts, and components and parts are as main energy supply part, and give off a large amount of heat under operating condition, and at this moment, components and parts hold in high-pressure case, and seal in high-pressure incasement.
In the prior art, components and parts are installed in the bottom of high-pressure tank to carry out heat exchange with the bottom of high-pressure tank, at this moment, current high-pressure tank only can dispel the heat to the bottom region of components and parts, leads to current high-pressure tank's heat dispersion relatively poor.
Disclosure of Invention
The embodiment of the application provides a high-voltage box and a battery assembly to solve the relatively poor problem of the heat dispersion of current high-voltage box.
In a first aspect, an embodiment of the present application provides a high-pressure tank, where the high-pressure tank includes a plurality of side plates and a bottom plate, and the plurality of side plates are disposed on a peripheral side of the bottom plate and enclose with the bottom plate to form a containing groove, where the containing groove is used to contain components;
the high-pressure tank is provided with a cooling flow passage, and the cooling flow passage passes through at least one side plate; the cooling flow channel is used for containing cooling liquid or allowing the cooling liquid to flow through, and the cooling liquid in the cooling flow channel exchanges heat with the side plate.
Optionally, the cooling flow channel includes a first flow channel passing through two side plates arranged adjacently or two side plates arranged opposite to each other.
Optionally, the first flow channel passes through each side plate in turn along the circumferential direction of the high-pressure tank, and is arranged in a closed loop.
Optionally, the cooling flow channel includes a second flow channel passing through the base plate and communicating with the first flow channel.
Optionally, the second flow channel communicates through the first flow channel of each side plate along the circumferential direction of the bottom plate.
Optionally, the side plate is of a hollow structure, and the cooling flow channel is at least partially an inner space of the side plate.
Optionally, the cooling flow channel is provided with a liquid passing port, and the liquid passing port is arranged on at least one side plate; the liquid passing port is used for allowing the cooling liquid to enter.
Optionally, the cooling flow channel is provided with a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are distributed on the same side plate or two different side plates.
Optionally, the liquid inlet is disposed above the liquid outlet.
Optionally, the side plate is provided with a via hole, the via hole is used for penetrating an object, the cooling flow channel and the via hole are isolated by the wall of the via hole, and the cooling flow channel is positioned on the outer periphery side of the via hole.
Optionally, the top of curb plate is buckled and is had installation department, the installation department by the top of curb plate is outwards buckled and is formed, the installation department is used for connecting the fixed object of waiting.
In a second aspect, an embodiment of the present application further provides a battery assembly, where the battery assembly includes the high-voltage tank and the component, and the component is accommodated in the high-voltage tank and exchanges heat with the high-voltage tank.
The high-voltage box and the battery assembly provided by the embodiment of the application comprise a plurality of side plates and a bottom plate, wherein the side plates are arranged on the periphery of the bottom plate and are enclosed with the bottom plate to form a containing groove, and the containing groove is used for containing components; the high-pressure box is provided with a cooling flow passage, and the cooling flow passage passes through at least one side plate; the cooling flow channel is used for containing cooling liquid or flowing through the cooling liquid, the cooling liquid in the cooling flow channel exchanges heat with the side plates, at the moment, the cooling flow channel at least passes through one side plate, the cooling liquid in the cooling flow channel exchanges heat with the side plates and dissipates heat of the side plates and components in the containing groove, so that the overall service life of the components and the battery assembly is prolonged, in addition, the cooling flow channel cools the components along different directions, and the heat dissipation capacity of the high-pressure box is improved, so that the load capacity of the high-pressure box is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort to a person skilled in the art.
For a more complete understanding of the present application and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts throughout the following description.
Fig. 1 is a schematic structural diagram of a high-pressure tank according to an embodiment of the present application.
Fig. 2 is a front view of a high pressure tank provided in an embodiment of the present application.
Fig. 3 is a cross-sectional view at a in fig. 2.
Fig. 4 is a cross-sectional view at B in fig. 3.
Fig. 5 is a front view of a high pressure tank according to another embodiment of the present application.
100. A high pressure tank; 10. a side plate; 10a, a containing groove; 11. a via hole; 12. a mounting part; 20. a bottom plate; 30. a cooling flow passage; 30a, a liquid passing port; 30b, a liquid inlet; 30c, a liquid outlet; 31. a first flow passage; 32. and a second flow passage.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Along with development of science and technology, battery pack wide application in electronic equipment, new energy automobile to belong to power battery package, battery pack includes high-pressure case and components and parts, and components and parts are as main energy supply part, and give off a large amount of heat under operating condition, and at this moment, components and parts hold in high-pressure case, and seal in high-pressure incasement.
In the prior art, the bottom of high-pressure tank is equipped with the liquid cooling runner, and the liquid cooling runner is used for supplying cold water to get into, and at this moment, cold water flows at the liquid cooling runner to be in the bottom of high-pressure tank, only can dispel the heat to the bottom region of components and parts, lead to current high-pressure tank's heat dispersion relatively poor.
The embodiment of the application provides a high-voltage box 100 and a battery assembly thereof, so as to solve the problem that the heat dissipation capacity of the existing high-voltage box 100 is poor. Which will be described below with reference to the accompanying drawings.
The high-voltage box 100 provided in the embodiment of the application can be applied to a battery assembly, and the battery assembly belongs to a battery pack. Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a high-pressure tank according to an embodiment of the present application. Fig. 2 is a front view of a high pressure tank provided in an embodiment of the present application. Fig. 3 is a cross-sectional view at a in fig. 2. Fig. 4 is a cross-sectional view at B in fig. 3.
In a first aspect, the present embodiment provides a high-voltage box 100, where the high-voltage box 100 includes a plurality of side plates 10 and a bottom plate 20, the plurality of side plates 10 are disposed on a peripheral side of the bottom plate 20 and enclose with the bottom plate 20 to form a containing groove 10a, the containing groove 10a is used for containing components, the components are contained in the containing groove 10a and are mounted on the bottom plate 20 or the side plate 10, and the components emit heat under a working state, and optionally, the components are electronic components related to a battery.
Alternatively, the receiving groove 10a is a square groove, which is not limited herein.
The high-pressure tank 100 has a cooling flow path 30, and the cooling flow path 30 passes through at least one side plate 10; the cooling flow channels 30 are used for containing cooling liquid or flowing cooling liquid, and the cooling liquid in the cooling flow channels 30 exchanges heat with the side plates 10.
At this time, the cooling flow path 30 passes through at least one side plate 10, the cooling liquid in the cooling flow path 30 exchanges heat with the side plate 10, and radiates heat to the side plate 10 and the components in the receiving groove 10a, thereby improving the overall life of the components and the battery assembly, and in addition, the cooling flow path 30 cools the components in different directions, and improves the heat radiation capability of the high-voltage tank 100, thereby improving the load capability of the high-voltage tank 100.
The cooling flow channel 30 passes through each side plate 10 in turn, so that the heat exchange area of the high-pressure tank 100 is conveniently increased, the heat dissipation area and the heat dissipation effect of the high-pressure tank 100 are increased, and continuous operation of components in an environment with higher temperature is avoided.
In one embodiment, the cooling liquid is located in the cooling flow channel 30 and stored in the side plate 10, the cooling liquid in the cooling flow channel 30 exchanges heat with the side plate 10 and absorbs heat emitted by the components, so as to cool the side plate 10 and the components, and cool the side plate 10 and the components in the accommodating groove 10a, thereby improving the overall life of the components and the battery assembly, and in addition, the cooling flow channel 30 cools the components in different directions, and improves the heat dissipation capacity of the high-voltage tank 100, thereby improving the load capacity of the high-voltage tank 100.
In another embodiment, the cooling liquid is located in the cooling flow channel 30 and flows in the cooling flow channel 30, at this time, a pump body is disposed at the outer side of the high-pressure tank 100, an infusion channel of the pump body is abutted to a liquid inlet 30b of the cooling flow channel 30, a liquid discharge channel of the pump body is abutted to a liquid outlet 30c, the cooling liquid circulates along the cooling flow channel 30 under the driving of the pump body, and heat emitted by components is taken away in the flowing process.
In the present embodiment, the cooling flow path 30 includes the first flow path 31, the first flow path 31 passes through the two side plates 10 adjacently arranged or the two side plates 10 oppositely arranged, at this time, the side plates 10 are hollow structures, the cooling flow path 30 is at least partially the inner space of the side plate 10, the first flow path 31 makes full use of the inner space of the side plate 10, and the cooling space of the first flow path 31 can also be increased by the increase of the side plate 10, thereby increasing the heat exchange area of the high pressure tank 100.
In addition, the first flow channels 31 sequentially pass through each side plate 10 along the circumferential direction of the high-pressure tank 100 and are arranged in a closed loop, at this time, the first flow channels 31 may be closed loop flow channels, which are arranged relative to the components along the circumferential direction of the high-pressure tank 100, and the cooling liquid may flow along the closed loop flow channels and continuously flow relative to the periphery of the components, so as to facilitate taking away the heat emitted by the components, and realize the effect of cooling the periphery of the components. Alternatively, the closed-loop flow path may be an annular flow path or a serpentine flow path, and the first flow path 31 is built into each side plate 10.
In the present embodiment, the cooling flow path 30 includes the second flow path 32, and the second flow path 32 passes through the bottom plate 20 and communicates with the first flow path 31, and at this time, the second flow path 32 is built in the bottom plate 20, and the second flow path 32 communicates with the first flow path 31 passing through each side plate 10 in the circumferential direction of the bottom plate 20.
The second flow channel 32 of the bottom plate 20 is communicated with the first flow channel 31 of each side plate 10, the whole area of the cooling flow channel 30 is increased, the flow length of the cooling liquid in the cooling flow channel 30 is increased, the cooling flow channel 30 is arranged along the periphery direction of the components, the components are subjected to heat exchange along the periphery direction, the cooling liquid in each first flow channel 31 and each second flow channel 32 cools the components along different directions, and the heat dissipation capacity of the high-pressure tank 100 is improved, so that the load capacity of the high-pressure tank 100 is improved, and in addition, the after-sale maintenance cost of the high-pressure tank 100 and the battery assembly is reduced.
In another embodiment, referring to fig. 5, fig. 5 is a front view of a high pressure tank provided in another embodiment of the present application. When the cooling flow channel 30 is used for containing cooling liquid, the cooling flow channel 30 is provided with a liquid passing port 30a, and the liquid passing port 30a is arranged on at least one side plate 10; the liquid passing port 30a is used for the entry of the cooling liquid.
At this time, the first flow passage 31 is provided in one side plate 10, the liquid passing port 30a is provided in the side plate 10, and the cooling liquid enters the first flow passage 31 through the liquid passing port 30a and is stored in the first flow passage 31. When the coolant is required to be discharged, the coolant in the first flow passage 31 is discharged along the liquid passing port 30 a.
In this embodiment, the cooling flow channel 30 is used for cooling liquid to flow through, the cooling flow channel 30 has a liquid inlet 30b and a liquid outlet 30c, and the liquid inlet 30b and the liquid outlet 30c are distributed on the same side plate 10 or different side plates 10.
At this time, the liquid inlet 30b and the liquid outlet 30c of the cooling flow channel 30 are distributed on the same side plate 10 or different side plates 10, when the liquid inlet 30b and the liquid outlet 30c of the cooling flow channel 30 are located on the same side plate 10, the liquid inlet 30b is disposed above the liquid outlet 30c, and the cooling liquid flows along the cooling flow channel 30 and moves from the liquid inlet 30b to the liquid outlet 30c. The liquid inlet 30b is disposed above the liquid outlet 30c, and at this time, the cooling liquid enters the cooling flow channel 30 from the liquid inlet 30b and can be discharged to the liquid outlet 30c by self gravity, and at this time, the flow speed of the cooling liquid is increased under the self gravity.
When the liquid inlet 30b and the liquid outlet 30c of the cooling flow channel 30 are located on different two side plates 10, the liquid inlet 30b and the liquid outlet 30c of the cooling flow channel 30 may be located on opposite two side plates 10, the liquid inlet 30b is disposed above the liquid outlet 30c, and the cooling liquid flows along the cooling flow channel 30 and moves from the liquid inlet 30b to the liquid outlet 30c. The liquid inlet 30b is disposed above the liquid outlet 30c, and at this time, the cooling liquid enters the cooling flow channel 30 from the liquid inlet 30b and can be discharged to the liquid outlet 30c by self gravity, and at this time, the flow speed of the cooling liquid is increased under the self gravity.
At this time, the liquid inlet 30b and the liquid outlet 30c may be distributed to the front side plate 10 and the rear side plate 10, or the liquid inlet 30b and the liquid outlet 30c may be distributed to the left side plate 10 and the right side plate 10.
The communication of the second flow channel 32 of the bottom plate 20 with the first flow channel 31 of each side plate 10 increases the area of the cooling flow channel 30 and increases the flow length of the cooling liquid in the cooling flow channel 30, the cooling flow channel 30 is arranged along the circumferential direction of the components and exchanges heat with the components along the circumferential direction, the cooling liquid in each of the first flow channel 31 and the second flow channel 32 cools the components in different directions and increases the heat radiation capacity of the high-pressure tank 100, thereby increasing the load capacity of the high-pressure tank 100, and in addition, reducing the after-sales maintenance costs of the high-pressure tank 100 and the battery assembly
The side plate 10 is provided with a via hole 11, the via hole 11 is used for penetrating an object, the cooling flow passage and the via hole 11 are isolated by the wall of the via hole 11, and the cooling flow passage is wrapped on the outer periphery side of the via hole 11. Specifically, the cooling flow path is exemplified by the first flow path 31, that is, the first flow path 31 is spaced from the through hole 11, the first flow path 31 is located at the outer peripheral side of the through hole 11, and the first flow path 31 is used for flowing the cooling liquid, in this case, the through hole 11 may be plural, and plural through holes 11 are located at the same side plate 10 or adjacent side plates 10.
In addition, the top ends of the plurality of side plates 10 are bent with the mounting portions 12, the mounting portions 12 are formed by bending the top ends of the side plates 10 outwards, the mounting portions 12 are used for connecting an object to be fixed, optionally, the mounting portions 12 are horizontally arranged and fixedly connected with the object to be fixed through studs, at this time, the mounting portions 12 are used for connecting the object to be fixed, the high-pressure tank 100 is connected with the object to be fixed through the mounting portions 12, and the mounting structure between the mounting portions 12 and the object to be fixed does not occupy the space of the first flow channel 31 and the second flow channel 32, so that the lengths of the first flow channel 31 and the second flow channel 32 are ensured, and the flowing length of cooling liquid is ensured. Alternatively, the mounting portion 12 may be attached to other objects by a stud.
In a second aspect, an embodiment of the present application further provides a battery assembly, where the battery assembly includes the high-voltage tank 100 and components, and the components are accommodated in the high-voltage tank 100 and exchange heat with the high-voltage tank 100.
The high-voltage box 100 and the battery assembly thereof provided by the embodiment of the application, the high-voltage box 100 comprises a plurality of side plates 10 and a bottom plate 20, wherein the side plates 10 are arranged on the periphery side of the bottom plate 20 and are enclosed with the bottom plate 20 to form a containing groove 10a, and the containing groove 10a is used for containing components; the high-pressure tank 100 has a cooling flow path 30, and the cooling flow path 30 passes through at least one side plate 10; the cooling flow channel 30 is used for containing cooling liquid or allowing cooling liquid to flow through, the cooling liquid in the cooling flow channel 30 exchanges heat with the side plate 10, at this time, the cooling flow channel 30 at least passes through one side plate 10, the cooling liquid in the cooling flow channel 30 exchanges heat with the side plate 10, and the side plate 10 and components in the containing groove 10a dissipate heat, so that the overall service life of the components and the battery assembly is prolonged, in addition, the cooling flow channel 30 cools the components along different directions, and the heat dissipation capability of the high-voltage box 100 is improved, so that the load capability of the high-voltage box 100 is improved, and in addition, the after-sales maintenance cost of the high-voltage box 100 and the battery assembly is reduced.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
In the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. The foregoing has outlined the detailed description of the high pressure tank provided in the examples of the present application, wherein specific examples are provided herein to illustrate the principles and embodiments of the present application, the above examples being provided solely to assist in the understanding of the methods of the present application and the core ideas thereof; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the ideas of the present application, the contents of the present specification should not be construed as limiting the present application in summary.
Claims (12)
1. The high-pressure box is characterized by comprising a plurality of side plates and a bottom plate, wherein the side plates are arranged on the periphery of the bottom plate and are enclosed with the bottom plate to form a containing groove, and the containing groove is used for containing components;
the high-pressure tank is provided with a cooling flow passage, and the cooling flow passage passes through at least one side plate; the cooling flow channel is used for containing cooling liquid or allowing the cooling liquid to flow through, and the cooling liquid in the cooling flow channel exchanges heat with the side plate.
2. The high pressure tank of claim 1, wherein the cooling flow passage comprises a first flow passage passing through two of the side plates disposed adjacently or two of the side plates disposed opposite each other.
3. The high pressure tank of claim 2, wherein the first flow passage passes through each of the side plates in turn in a circumferential direction of the high pressure tank and is arranged in a closed loop.
4. The high pressure tank of claim 2, wherein the cooling flow passage includes a second flow passage that passes through the bottom plate and communicates with the first flow passage.
5. The high pressure tank of claim 4, wherein said second flow passage communicates through said first flow passage of each of said side plates in a circumferential direction of said bottom plate.
6. The high-pressure tank according to any one of claims 1 to 5, wherein the side plate is of a hollow structure, and the cooling flow passage is at least partially an inner space of the side plate.
7. The high pressure tank of claim 1, wherein the cooling flow passage has a liquid passing port provided to at least one of the side plates; the liquid passing port is used for allowing the cooling liquid to enter.
8. The high pressure tank of claim 1, wherein the cooling flow passage has a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet being distributed on the same side plate or on different side plates.
9. The high pressure tank of claim 8, wherein the liquid inlet is disposed above the liquid outlet.
10. The high-pressure tank according to claim 1, wherein the side plate is provided with a via hole for penetration of an object, and the cooling flow passage is isolated from the via hole by a wall of the via hole, the cooling flow passage being on an outer peripheral side of the via hole.
11. The high-pressure tank according to claim 1, wherein the top end of the side plate is bent with a mounting portion formed by bending the top end of the side plate outward, the mounting portion being for connecting an object to be fixed.
12. A battery assembly comprising the high-voltage tank according to any one of claims 1 to 9 and components accommodated in the high-voltage tank and heat-exchanged with the high-voltage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222882746.2U CN219068738U (en) | 2022-10-31 | 2022-10-31 | High-voltage box and battery assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222882746.2U CN219068738U (en) | 2022-10-31 | 2022-10-31 | High-voltage box and battery assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219068738U true CN219068738U (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222882746.2U Active CN219068738U (en) | 2022-10-31 | 2022-10-31 | High-voltage box and battery assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219068738U (en) |
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2022
- 2022-10-31 CN CN202222882746.2U patent/CN219068738U/en active Active
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