CN220672688U - Double-layer liquid cooling heat dissipation module of cylindrical lithium battery pack - Google Patents
Double-layer liquid cooling heat dissipation module of cylindrical lithium battery pack Download PDFInfo
- Publication number
- CN220672688U CN220672688U CN202322287942.XU CN202322287942U CN220672688U CN 220672688 U CN220672688 U CN 220672688U CN 202322287942 U CN202322287942 U CN 202322287942U CN 220672688 U CN220672688 U CN 220672688U
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- China
- Prior art keywords
- heat dissipation
- battery pack
- lithium battery
- plate
- fixedly connected
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 43
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 41
- 239000007788 liquid Substances 0.000 title claims abstract description 23
- 238000001816 cooling Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims 2
- 229910001416 lithium ion Inorganic materials 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 238000013021 overheating Methods 0.000 abstract description 5
- 239000000110 cooling liquid Substances 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- MZZUATUOLXMCEY-UHFFFAOYSA-N cobalt manganese Chemical compound [Mn].[Co] MZZUATUOLXMCEY-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
Abstract
The utility model relates to the technical field of lithium battery packs, in particular to a double-layer liquid cooling heat dissipation module of a cylindrical lithium battery pack, which comprises two placement plates and two support plates, wherein one side of each support plate is fixedly connected with the placement plates, the top and the bottom of the opposite side of each support plate are fixedly connected with limiting plates, one side of each limiting plate is provided with a plurality of positioning holes, the inner wall of each positioning hole is fixedly connected with a lithium battery body, and the opposite side of each support plate is fixedly connected with two water pumps. The cylindrical lithium battery pack has the advantages of high-efficiency heat dissipation and improved temperature uniformity, and in the actual use process, through the cooperation of the water pump, the water outlet pipe, the water inlet pipe and the connecting pipe, the cylindrical lithium battery pack can uniformly distribute cooling liquid in the whole battery pack, so that the temperature uniformity is improved, the problems of temperature concentration and local overheating are avoided, and the performance and the service life of the battery pack are improved.
Description
Technical Field
The utility model relates to the technical field of lithium battery packs, in particular to a double-layer liquid cooling heat dissipation module of a cylindrical lithium battery pack.
Background
The cylindrical lithium battery can be divided into a lithium iron phosphate battery, a lithium cobalt oxide battery, a lithium manganate battery and a cobalt-manganese hybrid battery ternary lithium battery according to filler materials, a steel shell lithium battery and a polymer shell lithium battery can be arranged according to shell types, and batteries with different material systems have different advantages and are widely applied to: notebook computers, digital cameras, lighting fixtures, toy products, power tools, portable mobile energy sources, and the like.
The utility model discloses a cylindrical lithium battery pack as disclosed in publication number CN202474076U, which has the beneficial effects that: the cylindrical lithium battery unit is connected with the lithium battery unit through the conductive metal sheet, the metal part with the groove is added to the head of the cylindrical lithium battery unit contacted with the electric appliance to be connected, the battery is very convenient to replace, the connection reliability is guaranteed, the outer ring of the metal part is insulated through the insulating ring, the defect that the head of the cylindrical battery is easy to short-circuit is overcome, but the heat dissipation structure of the cylindrical lithium battery pack is simpler, the heat dissipation mode mainly depends on natural convection and conduction heat dissipation, the heat dissipation efficiency is relatively low, the battery pack can generate excessive heat in the high-power discharging or charging process, the heat cannot be quickly and effectively dissipated through the heat dissipation device, the temperature rise and thermal runaway problems are caused, secondly, the cylindrical lithium battery pack is not supported by the liquid cooling heat dissipation structure, the heat dissipation non-uniformity problem is more remarkable, the temperature concentration and local overheating are easier to occur in a hotter area, the colder area cannot effectively dissipate heat, and the temperature non-uniformity can negatively influence the service life and the performance of the battery pack.
Therefore, a dual-layer liquid cooling heat dissipation module of a cylindrical lithium battery pack is urgently needed to solve the above problems.
Disclosure of Invention
The utility model aims to provide a double-layer liquid cooling heat radiation module of a cylindrical lithium battery pack, which has the advantages of high-efficiency heat radiation and improved temperature uniformity, and solves the problems that the cylindrical lithium battery pack is not supported by a liquid cooling heat radiation structure, the heat radiation is uneven, and the temperature concentration and the local overheating are more likely to occur in a hotter area.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a double-deck liquid cooling heat dissipation module of cylindrical lithium cell group, includes places board and backup pad, the quantity of backup pad is two, two the relative one side of backup pad all with place board fixed connection, the top and the bottom of the relative one side of backup pad all fixedly connected with limiting plate, a plurality of locating hole has been seted up to one side of limiting plate, the inner wall fixedly connected with lithium cell body of locating hole, the relative one side fixedly connected with of backup pad two water pumps, the play water end intercommunication of water pump has the outlet pipe, the one end intercommunication that the water pump was kept away from to the outlet pipe has the connecting pipe, the one end intercommunication that the outlet pipe was kept away from to the connecting pipe has the inlet tube with the inner wall fixed connection of backup pad, the one end and the water pump of inlet tube are linked together;
the positioning mechanism comprises two fixing plates fixedly connected to one side of the placing plate, one side of each fixing plate is connected with a threaded rod in a threaded mode, one end of each threaded rod penetrates through one side of each fixing plate and is rotationally connected with a guide plate, one side, opposite to the guide plate, of each guide plate is fixedly connected with a positioning plate, and one side, opposite to the positioning plate, of each guide plate is movably connected with a heat dissipation fan.
Preferably, one end of the threaded rod, which is far away from the guide plate, is fixedly connected with a knob, and the surface of the knob is provided with a plurality of edges.
Preferably, a through hole is formed in one side of the placement plate, and the through hole is matched with the heat dissipation fan.
Preferably, the top and the bottom of the opposite side of the fixed plate are fixedly connected with limiting rods, and the surfaces of the limiting rods are in sliding connection with the guide plates.
Preferably, the opposite sides of the positioning plate are fixedly connected with anti-slip pads, and the surfaces of the anti-slip pads are provided with anti-slip patterns.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model has the advantages of high-efficiency heat dissipation and improved temperature uniformity, in the actual use process, through the cooperation of the water pump, the water outlet pipe, the water inlet pipe and the connecting pipe, the cylindrical lithium battery pack can uniformly distribute cooling liquid in the whole battery pack, thereby improving the temperature uniformity, being beneficial to avoiding the problems of temperature concentration and local overheating, improving the performance and service life of the battery pack, and then through the cooperation of the fixing plate, the threaded rod, the guide plate, the positioning plate and the heat dissipation fan, the heat dissipation effect of the cylindrical lithium battery pack is further improved, a user can more conveniently clean the blades to ensure the best state of heat dissipation capability, the problems that the cylindrical lithium battery pack is not supported by a liquid cooling heat dissipation structure, the heat dissipation unevenness is more remarkable, and the problems of temperature concentration and local overheating occur more easily in a hotter area are solved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a partial cross-sectional perspective structure of the present utility model;
fig. 3 is a schematic view of a part of a three-dimensional structure of the present utility model.
In the figure: 1. placing a plate; 2. a fixing plate; 3. a threaded rod; 4. a guide plate; 5. a positioning plate; 6. a limit rod; 7. a through hole; 8. an anti-slip pad; 9. a knob; 10. a support plate; 11. a connecting pipe; 12. a water pump; 13. a water outlet pipe; 14. a water inlet pipe; 15. a lithium battery body; 16. a limiting plate; 17. a heat dissipation fan; 18. and positioning holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
The existing cylindrical lithium battery pack heat dissipation mode mainly depends on natural convection and conduction heat dissipation, the heat dissipation efficiency is relatively low, the battery pack possibly generates excessive heat in the high-power discharging or charging process, and the heat cannot be quickly and effectively dissipated through the battery pack, so that the problems of temperature rise and thermal runaway are solved, and the cylindrical lithium battery pack has the function of efficient heat dissipation due to the fact that the water pump 12, the water outlet pipe 13, the water inlet pipe 14 and the connecting pipe 11 are matched for use, and meanwhile temperature uniformity is improved, so that the problem is solved.
As shown in fig. 1 to 3: the utility model provides a double-layer liquid cooling heat dissipation module of a cylindrical lithium battery pack, which comprises a placement plate 1 and two support plates 10, wherein two support plates 10 are arranged, one opposite sides of the two support plates 10 are fixedly connected with the placement plate 1, the top and the bottom of one opposite side of the support plates 10 are fixedly connected with a limiting plate 16, one side of the limiting plate 16 is provided with a plurality of positioning holes 18, the inner wall of each positioning hole 18 is fixedly connected with a lithium battery body 15, one opposite side of the support plate 10 is fixedly connected with two water pumps 12, the water outlet ends of the water pumps 12 are communicated with a water outlet pipe 13, one end of each water outlet pipe 13, which is far away from each water pump 12, is communicated with a connecting pipe 11, the connecting pipe 11 is fixedly connected with the inner wall of the support plate 10, one end, which is far away from the water outlet pipe 13, of each connecting pipe 11 is communicated with a water inlet pipe 14, and one end of each water inlet pipe 14 is communicated with the water pump 12;
the positioning mechanism comprises two fixing plates 2 fixedly connected to one side of the placing plate 1, one side of the fixing plates 2 is connected with a threaded rod 3 in a threaded manner, one end of the threaded rod 3 penetrates through one side of the fixing plates 2 and is rotationally connected with a guide plate 4, one opposite side of the guide plate 4 is fixedly connected with a positioning plate 5, one opposite side of the positioning plate 5 is movably connected with a heat dissipation fan 17, one opposite side of the positioning plate 5 is fixedly connected with an anti-slip pad 8, and the surface of the anti-slip pad 8 is provided with anti-slip patterns, so that the effect of increasing friction force is achieved, and the positioning plate 5 is prevented from shifting when the heat dissipation fan 17 is fixed.
Referring to fig. 3, one end of the threaded rod 3 far away from the guide plate 4 is fixedly connected with a knob 9, and the surface of the knob 9 is provided with a plurality of edges and corners, so that the function of conveniently rotating the threaded rod 3 is achieved through the arrangement of the knob 9, and relative complexity and inconvenience in disassembly, assembly, cleaning and maintenance of the heat dissipation fan 17 are avoided.
Referring to fig. 3, a through hole 7 is formed in one side of the placement plate 1, the through hole 7 is matched with a heat dissipation fan 17, and heat can be more intensively dissipated from a heat source through the arrangement of the through hole 7, so that the heat dissipation efficiency can be improved, the heat accumulation is reduced, and the normal working temperature of the lithium battery body 15 is maintained.
Referring to fig. 3, the top and the bottom of the opposite side of the fixed plate 2 are fixedly connected with a limiting rod 6, the surface of the limiting rod 6 is in sliding connection with the guide plate 4, the limiting rod 6 is arranged to limit the guide plate 4, the situation that the guide plate 4 shifts in position during moving is avoided, and the stability of the positioning mechanism is improved.
Working principle: when radiating cylindrical lithium cell group, this moment the user starts two water pumps 12 for the inside coolant liquid of double-deck liquid cooling heat dissipation module circulates, the heat that battery group produced is effectively taken away to the coolant liquid of accessible flow, thereby realize high-efficient heat dissipation, the liquid has higher heat conduction ability, can shift out the battery fast with the heat, effectively reduce temperature rise and thermal runaway's risk, through outlet pipe 13, inlet tube 14 and connecting pipe 11's cooperation is used, make liquid cooling heat radiation structure can evenly distribute the coolant liquid in whole group inside, thereby improve the temperature homogeneity, this helps avoiding the problem of temperature concentration and local overheated, improve the performance and the life-span of group battery, then through fixed plate 2, threaded rod 3, deflector 4, the cooperation use of locating plate 5 and radiator fan 17, make the radiating effect of this cylindrical lithium cell group further promote, the user can clean the blade more conveniently, so as to ensure the best state of heat dissipation ability, double-deck liquid cooling heat dissipation module has realized promoting cylindrical lithium cell group's security performance.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a cylindrical lithium cell group's double-deck liquid cooling heat dissipation module, is including placing board (1) and backup pad (10), its characterized in that: the utility model discloses a lithium ion battery pack, including backup pad (10), connecting pipe (11), connecting pipe (12) are connected with one side of backup pad (10), connecting pipe (11), connecting pipe (14) are connected with one end that is kept away from outlet pipe (13), connecting pipe (14) are connected with one end that is kept away from outlet pipe (12) and are connected with water pump (12), connecting pipe (14) are connected with one end that is kept away from outlet pipe (12) in the quantity of backup pad (10) is two, two backup pad (10) one side that is opposite all with backup pad (10) with place board (1) fixed connection, top and bottom that is kept away from one side of backup pad (10) are all fixedly connected with limiting plate (16), a plurality of locating hole (18) are seted up to one side of limiting plate (16), inner wall fixedly connected with lithium ion battery body (15), two water pump (12) are connected with one side that is opposite to backup pad (10), the outlet end of water pump (12) communicates there is outlet pipe (13), one end that is kept away from water pump (13) and one end of outlet pipe (12) is connected with water pump (12).
The positioning mechanism comprises two fixing plates (2) fixedly connected to one side of the placing plate (1), one side of each fixing plate (2) is connected with a threaded rod (3) in a threaded mode, one end of each threaded rod (3) penetrates through one side of each fixing plate (2) and is connected with a guide plate (4) in a rotating mode, one side, opposite to the guide plate (4), of each guide plate is fixedly connected with a positioning plate (5), and one side, opposite to the positioning plate (5), of each guide plate is movably connected with a radiating fan (17).
2. The double-layer liquid cooling heat dissipation module of a cylindrical lithium battery pack according to claim 1, wherein: one end of the threaded rod (3) far away from the guide plate (4) is fixedly connected with a knob (9), and the surface of the knob (9) is provided with a plurality of edges.
3. The double-layer liquid cooling heat dissipation module of a cylindrical lithium battery pack according to claim 1, wherein: a through hole (7) is formed in one side of the placement plate (1), and the through hole (7) is matched with a heat dissipation fan (17).
4. The double-layer liquid cooling heat dissipation module of a cylindrical lithium battery pack according to claim 1, wherein: the top and the bottom of the opposite side of the fixed plate (2) are fixedly connected with a limiting rod (6), and the surface of the limiting rod (6) is in sliding connection with the guide plate (4).
5. The double-layer liquid cooling heat dissipation module of a cylindrical lithium battery pack according to claim 1, wherein: the anti-slip pad (8) is fixedly connected to one side, opposite to the positioning plate (5), of the positioning plate, and anti-slip patterns are formed in the surface of the anti-slip pad (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322287942.XU CN220672688U (en) | 2023-08-24 | 2023-08-24 | Double-layer liquid cooling heat dissipation module of cylindrical lithium battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322287942.XU CN220672688U (en) | 2023-08-24 | 2023-08-24 | Double-layer liquid cooling heat dissipation module of cylindrical lithium battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220672688U true CN220672688U (en) | 2024-03-26 |
Family
ID=90331976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322287942.XU Active CN220672688U (en) | 2023-08-24 | 2023-08-24 | Double-layer liquid cooling heat dissipation module of cylindrical lithium battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220672688U (en) |
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2023
- 2023-08-24 CN CN202322287942.XU patent/CN220672688U/en active Active
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