CN218919035U - Heat radiation structure suitable for square battery - Google Patents
Heat radiation structure suitable for square battery Download PDFInfo
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- CN218919035U CN218919035U CN202222919925.9U CN202222919925U CN218919035U CN 218919035 U CN218919035 U CN 218919035U CN 202222919925 U CN202222919925 U CN 202222919925U CN 218919035 U CN218919035 U CN 218919035U
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- pipe
- heat dissipation
- radiating
- core
- cover plate
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- 230000005855 radiation Effects 0.000 title claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000004804 winding Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims description 21
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 5
- 239000002826 coolant Substances 0.000 description 4
- 230000002045 lasting effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding 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 discloses a heat radiation structure suitable for square batteries, which comprises a battery cell cover plate covered on a shell, wherein a pair of polar posts are arranged on the battery cell cover plate, a winding core is arranged in the shell, a heat radiation mechanism is arranged on the battery cell cover plate and comprises a loop pipe on the battery cell cover plate, two ends of the loop pipe are connected with a first heat radiation pipe, and one end of the first heat radiation pipe far away from the battery cell cover plate is inserted into a gap of an adjacent winding core. According to the utility model, the radiating mechanism is arranged, the radiating pipe I at one end is connected with the output end of the external liquid cooling system, the loop pipe is matched for conveying the cooling liquid, the radiating pipe I is utilized for directly absorbing heat, the rise of the temperature of the battery is restrained, the safety of the battery operation is improved, the radiating pipe I at the other end is connected with the cooling liquid recovery end, the cooling liquid used for a period of time is discharged, and the cooling liquid is replaced, so that the effect of continuously cooling is achieved.
Description
Technical Field
The utility model relates to the technical field of new energy batteries, in particular to a battery cover plate structure with a heat dissipation function.
Background
The current square battery has the characteristics of large capacity, high multiplying power and the like, and when the lithium battery is charged and discharged at high multiplying power, the temperature of the lithium battery is easy to rise, and finally the service life of the lithium battery is accelerated and attenuated. In the prior art, a heat management system is mainly adopted to carry out heat dissipation and temperature control on the battery outside the terminal, but the technical requirement on the heat management system is higher, the heat dissipation effect of each battery cannot be guaranteed, and the heat dissipation efficiency is general. The prior patent (publication number: CN 217485558U) discloses a cylindrical battery and battery pack structure for improving temperature rise, and the novel cooling water pipe arranged on the central axis of the inner shell is utilized to directly cool the inside of the battery, so that the safety of the battery operation is ensured, but the novel battery pack structure is only suitable for cylindrical batteries and is not suitable for square batteries. For this reason, we propose a heat dissipation structure suitable for square batteries.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides a structure capable of directly radiating heat from the inside of a battery, which has higher heat radiation efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model designs a heat radiation structure suitable for a square battery, which comprises a battery cell cover plate covered on a shell, wherein a winding core is arranged in the shell, a heat radiation mechanism is arranged on the battery cell cover plate, the heat radiation mechanism comprises a loop pipe arranged on the inner side of the battery cell cover plate, two ends of the loop pipe are connected with a first heat radiation pipe in a penetrating way, and one end of the first heat radiation pipe far away from the battery cell cover plate is inserted into a gap of an adjacent winding core.
Preferably, the inner side surface of the battery cell cover plate is provided with a mounting groove for embedding the loop pipe.
Preferably, the second radiating pipe is inserted into the gaps between the winding core and four corners of the inner wall of the shell, and the second radiating pipe is communicated with the loop pipe.
Preferably, the loop pipe is formed by connecting a pair of first conveying pipes and a pair of second conveying pipes end to end, and the radiating pipe is connected with the first conveying pipes through a joint.
Preferably, an end of the radiating pipe far away from the shell does not exceed the end face of the pole.
Preferably, a positioning cylinder with two open ends is arranged at the gap between the adjacent winding cores, and one end part of the radiating pipe is inserted into the shell body through the positioning cylinder.
Preferably, limiting plates are arranged between two ends of the adjacent winding cores, the positioning cylinder is fixed on one side, close to the inner wall of the shell, of the limiting plates, the upper side and the lower side of the limiting plates are cambered surfaces attached to the winding cores, and the limiting plates are made of thin aluminum alloy.
Preferably, the upper side and the lower side of the limiting plate are both provided with communication grooves.
Preferably, the battery cell cover plate is provided with a pole.
The beneficial effects of the utility model are as follows: through setting up cooling mechanism, be connected the cooling tube one of one end with the output of outside liquid cooling system, the return circuit pipe of re-coordination, carry the cooling fluid to the cooling tube one of the other end, utilize cooling tube one to insert casing one end, directly absorb the heat that produces because of lasting work in the casing, restrain the rising of battery temperature, promote the security of battery work, the cooling tube one of the other end is connected with the cooling fluid recovery end of outside liquid cooling system again, the cooperation recovery pipe, will use the coolant liquid of a period to discharge the reinjection new coolant liquid, thereby reach the effect of lasting cooling, through set up cooling tube two in the casing four corners, with its and return circuit union coupling, increase coolant liquid and the inside heat transfer area of casing, improve heat exchange efficiency, compare with present square structure, the casing is invariable with the volume core size, the major improvement is to increase heat radiation structure on the battery cell apron, so that from inside carries out temperature control, with current production technology similarity, easily realize the volume production, and can promote the radiating effect of every battery, improve life and security.
Drawings
Fig. 1 is a front view of a heat dissipation structure for a prismatic battery according to the present utility model;
fig. 2 is a schematic diagram of an inner side structure of a battery cell cover plate of a heat dissipation structure suitable for a square battery according to the present utility model;
fig. 3 is a schematic diagram illustrating an assembly structure of a first heat dissipation tube of a heat dissipation structure for a prismatic battery according to the present utility model.
In the figure: 1-a housing; 2-winding the core; 3-a battery cell cover plate; 4-pole; 5-mounting grooves; 6-loop pipe; 61-a first conveying pipe; 62-a second conveying pipe; 7-a first radiating pipe; 8-linker; 9-a second radiating pipe; 10-limiting plates; 11-a communicating groove; 12-positioning the cylinder.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a 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 such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise. "plurality" means "two or more".
As shown in fig. 1 to 3, the present utility model provides a heat dissipation structure suitable for a square battery by practice, and for convenience of explanation, only the portions related to the present embodiment are shown, as follows:
the utility model provides a heat radiation structure suitable for square battery, includes that the lid is located the electric core apron 3 on casing 1, is equipped with a pair of post 4 on the electric core apron 3, is equipped with two piece at least superimposed book cores 2 in the casing 1, is equipped with heat dissipation mechanism on the electric core apron 3, and heat dissipation mechanism is including installing in the inboard return circuit pipe 6 of electric core apron 3.
The two ends of the loop pipe 6 are connected with the first radiating pipe 7 in a penetrating way, one end, far away from the battery cell cover plate 3, of the first radiating pipe 7 is inserted into the gap between the adjacent winding cores 2, and the first radiating pipe 7 vertically penetrates through the loop pipe 6 so that the first radiating pipe 7 is positioned and inserted into the shell 1.
Further, the end part of the first radiating pipe 7 far away from the end of the shell 1 is not flush with the end surface of the pole 4; that is, the length of the first radiating pipe 7 penetrating out of the battery core cover plate 3 is not greater than the height of the pole 4, so that the first radiating pipe 7 is suitable for the battery, and if the height exceeds the first radiating pipe, the assembly of the module is not facilitated.
Further, a positioning cylinder 12 with two open ends is arranged at the gap between the adjacent winding cores 2, and the end part of the first radiating pipe 7 is inserted into the shell 1 through the positioning cylinder 12, wherein the inner diameter of the positioning cylinder 12 is not smaller than the outer diameter of the first radiating pipe 7, so that the first radiating pipe 7 is smoothly inserted into the positioning cylinder.
Specifically, in the practical process of assembling the battery, the winding core 2 is generally required to be placed first, then the battery core cover plate 3 is covered, and the loop pipe 6 and the first radiating pipe 7 are substantially attached to the battery core cover plate 3, so that the first radiating pipe 7 needs to be positioned and inserted into the housing 1 to avoid the interpenetration between the radiating pipe and the winding core, and the positioning barrel 12 is provided, so that the first radiating pipe 7 is conveniently positioned and assembled.
Further, limiting plates 10 which are tightly attached to the inner walls of the two ends of the shell 1 are arranged between the two ends of the adjacent winding cores 2, the positioning cylinder 12 is fixed between the upper side and the lower side of the limiting plates 10 through connecting rods, the upper side and the lower side of the limiting plates 10 are cambered surfaces which are attached to the winding cores 2, and the limiting plates 10 are made of thin aluminum alloy; in order to prevent the winding core 2 from being scattered towards two ends and occupying the space of the first radiating pipe 7, the limiting plate 10 is arranged to limit the winding core 2, the winding core 2 is convenient to be installed, meanwhile, the limiting plate 10 is made of thin aluminum alloy, the limiting plate 10 made of aluminum alloy has good heat conductivity, and the limiting plate is thinner as much as possible, so that the heat conduction efficiency of the winding core 2 is improved, the heat of the winding core 2 is conducted to the positioning barrel 12, and the first radiating pipe 7 is promoted to absorb the heat.
Further, the upper and lower sides of the limiting plate 10 are provided with communication grooves 11; further promoting heat conduction through the limiting plate 10 to the radiating pipe one 7.
Specifically, through setting up cooling mechanism, be connected the cooling tube 7 of one end with the output of outside liquid cooling system, the return circuit pipe 6 again, carry the cooling liquid to the cooling tube 7 of the other end, utilize cooling tube 7 to insert casing 1 one end, directly absorb the heat that produces because of lasting work in the casing 1, restrain the rising of battery temperature, promote the security of battery work, be connected the cooling tube 7 of the other end with the cooling liquid recovery end of outside liquid cooling system again, cooperate recovery pipe 6, discharge the cooling liquid that uses a period of time and reinject new cooling liquid, thereby reach the effect of lasting cooling.
Compared with the current square structure, the size of the winding core 2 is kept unchanged, the whole size of the shell 1 is basically not increased, or the thickness of the battery core cover plate 3 is required to be increased, so that the loop pipe 6 and the radiating pipe I7 are additionally arranged, the temperature control is carried out when the battery is charged and discharged at a high multiplying power, the method is similar to the existing production technology, mass production is easy to realize, the heat dissipation effect of each battery can be improved by directly cooling the inside, and the service life and the safety are improved.
Further, the two radiating pipes 9 are inserted into the gaps between the winding cores 2 and the four corners of the inner wall of the casing 1, and it should be noted that, because the gaps between the four corners of the casing 1 are significantly smaller than the gaps between the adjacent winding cores 2, the radius of the two radiating pipes 9 is smaller than that of the first radiating pipe 7, and the two radiating pipes 9 are communicated with the loop pipe 6 so as to convey the cooling liquid to the two radiating pipes 9.
Further, the loop pipe 6 is formed by connecting a pair of first conveying pipes 61 and a pair of second conveying pipes 62 end to end, specifically by welding, and the first radiating pipe 7 is also welded with the second conveying pipes 62, and the second radiating pipe 9 is connected with the first conveying pipes 61 through a joint 8.
Further, an installation groove 5 for embedding the loop pipe 6 is formed in the inner side surface of the battery cell cover plate 3; the installation groove 5 is matched with the first conveying pipe 61 and the second conveying pipe 62, and the loop pipe 6 is fixed through a pipe clamp.
Specifically, through set up cooling tube two 9 in casing 1 four corners, be connected its with return circuit pipe 6, increase the heat transfer area of coolant liquid and casing 1 inside, improve heat exchange efficiency.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.
Claims (9)
1. The utility model provides a heat radiation structure suitable for square battery, includes electric core apron (3) that the lid was located on casing (1), be equipped with in casing (1) and roll up core (2), its characterized in that: be equipped with cooling mechanism on electric core apron (3), cooling mechanism is including installing in electric core apron (3) inboard return circuit pipe (6), return circuit pipe (6) both ends through-connection has cooling tube one (7), cooling tube one (7) keep away from electric core apron (3) one end and insert in the clearance of adjacent roll core (2).
2. A heat dissipation structure for a prismatic battery according to claim 1, wherein: an installation groove (5) for embedding a loop pipe (6) is formed in the inner side face of the battery cell cover plate (3).
3. A heat dissipation structure for a prismatic battery according to claim 1 or 2, characterized in that: the two radiating pipes (9) are inserted into gaps between the winding core (2) and four corners of the inner wall of the shell (1), and the two radiating pipes (9) are communicated with the loop pipe (6).
4. A heat dissipation structure for a prismatic battery according to claim 3, wherein: the loop pipe (6) is formed by connecting a pair of first conveying pipes (61) and a pair of second conveying pipes (62) end to end, and the second radiating pipe (9) is connected with the first conveying pipes (61) through a joint (8).
5. The heat dissipation structure for a prismatic battery according to claim 4, wherein: the end part of the first radiating pipe (7) far away from one end of the shell (1) does not exceed the end face of the pole (4).
6. A heat dissipation structure for a prismatic battery as defined in claim 5, wherein: the gap between the adjacent winding cores (2) is provided with positioning cylinders (12) with two open ends, and the end part of the first radiating pipe (7) is inserted into the shell (1) through the positioning cylinders (12).
7. The heat dissipation structure for a prismatic battery according to claim 6, wherein: be equipped with limiting plate (10) between adjacent core (2) both ends, locating cylinder (12) are fixed in limiting plate (10) and are close to casing (1) inner wall one side, and limiting plate (10) upper and lower both sides are the cambered surface that laminates with core (2), limiting plate (10) are thin aluminum alloy.
8. The heat dissipation structure for a prismatic battery according to claim 7, wherein: and the upper side and the lower side of the limiting plate (10) are provided with communication grooves (11).
9. A heat dissipation structure for a prismatic battery according to claim 1, wherein: and a pole column (4) is arranged on the battery core cover plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222919925.9U CN218919035U (en) | 2022-11-01 | 2022-11-01 | Heat radiation structure suitable for square battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222919925.9U CN218919035U (en) | 2022-11-01 | 2022-11-01 | Heat radiation structure suitable for square battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218919035U true CN218919035U (en) | 2023-04-25 |
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ID=86015769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222919925.9U Active CN218919035U (en) | 2022-11-01 | 2022-11-01 | Heat radiation structure suitable for square battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218919035U (en) |
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2022
- 2022-11-01 CN CN202222919925.9U patent/CN218919035U/en active Active
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