CN215816022U - Bottom plate liquid cooling battery module of honeycomb heat dissipation channel - Google Patents
Bottom plate liquid cooling battery module of honeycomb heat dissipation channel Download PDFInfo
- Publication number
- CN215816022U CN215816022U CN202121387882.3U CN202121387882U CN215816022U CN 215816022 U CN215816022 U CN 215816022U CN 202121387882 U CN202121387882 U CN 202121387882U CN 215816022 U CN215816022 U CN 215816022U
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- China
- Prior art keywords
- liquid cooling
- heat dissipation
- channels
- honeycomb
- liquid
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001816 cooling Methods 0.000 title claims abstract description 81
- 239000007788 liquid Substances 0.000 title claims abstract description 76
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 40
- 239000000110 cooling liquid Substances 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Secondary Cells (AREA)
Abstract
The utility model relates to the technical field of battery thermal management, in particular to a bottom plate liquid cooling battery module with a honeycomb-shaped heat dissipation channel, which comprises a cylindrical battery, a liquid cooling plate and the honeycomb-shaped liquid cooling heat dissipation channel, wherein the liquid cooling plate is of a square structure, and the upper surface of the liquid cooling plate is provided with a plurality of circular grooves for inserting the bottoms of the cylindrical battery; the honeycomb-shaped liquid cooling heat dissipation channels are fixed inside the liquid cooling plate, and cooling liquid inlets and cooling liquid outlets at two ends of the honeycomb-shaped liquid cooling heat dissipation channels penetrate through end walls at two ends of the liquid cooling plate to be communicated with the outside; a cooling bottom plate matched with the liquid cooling plate in shape is arranged below the liquid cooling plate; the honeycomb-shaped liquid cooling heat dissipation channel comprises a plurality of hexagonal channels and straight channels, the hexagonal channels are of hexagonal tubular structures, the straight channels are arranged among the hexagonal channels at intervals, and opposite angles of the hexagonal channels in the horizontal direction are connected with the straight channels. The utility model also increases the flow path of the cooling liquid in the liquid cooling plate through the changeable flow channels, thereby better carrying away heat.
Description
Technical Field
The utility model relates to the technical field of battery thermal management, in particular to a bottom plate liquid cooling battery module with a honeycomb-shaped heat dissipation channel.
Background
In electric automobile, the battery is as its core component, its operational environment directly influences battery efficiency and then all influences the normal work of whole car, the battery is at the in-process of charge-discharge, can produce a large amount of heats, if the heat of this part can not distribute away in time, will lead to battery efficiency to reduce unexpected emergence such as spontaneous combustion even, traditional air cooling technique is not too obvious to the effect that reduces the battery temperature, phase change material cools off also to have the problem that increases battery module weight, and can show the promotion to the radiating effect of liquid cooling battery.
The weight of the battery module is greatly increased if the traditional single bottom battery liquid is cooled by a bottom large channel; the small and straight liquid cooling channel brings away little heat, which is not enough to achieve the purpose of battery heat management.
For the above reasons, the present invention provides a bottom plate liquid-cooled battery module with a honeycomb heat dissipation channel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a bottom plate liquid-cooled battery module of a honeycomb-shaped heat dissipation channel, which skillfully utilizes the characteristics of a honeycomb hexagon, the flow of fluid in the channel is not always constant, the flow direction is continuously changed along with the change of a flow channel, and the changeable flow channel also increases the flow path of cooling liquid in a liquid-cooled plate so as to better take away heat.
In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:
the utility model discloses a bottom plate liquid cooling battery module of a honeycomb-shaped heat dissipation channel, which comprises a cylindrical battery, a liquid cooling plate and the honeycomb-shaped liquid cooling heat dissipation channel, wherein the liquid cooling plate is of a square structure, and the upper surface of the liquid cooling plate is provided with a plurality of circular grooves for inserting the bottoms of the cylindrical batteries; the honeycomb-shaped liquid cooling heat dissipation channels are fixed inside the liquid cooling plate, and cooling liquid inlets and cooling liquid outlets at two ends of the honeycomb-shaped liquid cooling heat dissipation channels penetrate through end walls at two ends of the liquid cooling plate to be communicated with the outside; a cooling bottom plate matched with the liquid cooling plate in shape is arranged below the liquid cooling plate; the honeycomb-shaped liquid cooling heat dissipation channel comprises a plurality of hexagonal channels and straight channels, the hexagonal channels are of hexagonal tubular structures, the straight channels are arranged among the hexagonal channels at intervals, and opposite angles of the hexagonal channels in the horizontal direction are connected with the straight channels.
And the central axis of the hexagonal channel is superposed with the axis of the corresponding cylindrical battery.
The interval between the adjacent cylindrical batteries is 1.5 mm; the depth of the circular groove is 1/7 the height of the cylindrical cell.
The distance between the bottom of the cylindrical battery and the upper surface of the honeycomb-shaped liquid cooling heat dissipation channel is 1 mm.
The liquid cooling plate is an aluminum plate.
The utility model has the beneficial effects that:
(1) the utility model skillfully utilizes the characteristic of honeycomb hexagon, the flow of the fluid in the channel is not always constant, the flow direction is continuously changed along with the change of the flow channel, and the changeable flow channel also increases the flow path of the cooling liquid in the liquid cooling plate, thereby better carrying away heat.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic structural view of the honeycomb liquid-cooling heat dissipation channel according to the present invention.
FIG. 4 is a partial enlarged view of the honeycomb liquid-cooled heat dissipation passages of the present invention;
FIG. 5 is a schematic view of the liquid cooling plate of the present invention;
fig. 6 is a bottom view of the contact surface of the liquid cooling plate and the honeycomb liquid cooling heat dissipation channel of the present invention.
In the figure: 1 cylindrical battery, 2 liquid cooling boards, 3 cellular liquid cooling radiating passage, 31 hexagon passageway, 32 straight passageway, 4 circular recess, 5 coolant liquid import, 6 coolant liquid exports, 7 cooling plates.
Detailed Description
The utility model is further illustrated below:
referring to figures 1-6 of the drawings,
the utility model discloses a bottom plate liquid cooling battery module of a honeycomb-shaped heat dissipation channel, which comprises a cylindrical battery 1, a liquid cooling plate 2 and a honeycomb-shaped liquid cooling heat dissipation channel 3, wherein the liquid cooling plate 2 is of a square structure, and the upper surface of the liquid cooling plate is provided with a plurality of circular grooves 4 for inserting the bottom of the cylindrical battery 1; the honeycomb-shaped liquid cooling heat dissipation channels 3 are fixed inside the liquid cooling plate 2, and cooling liquid inlets 5 and cooling liquid outlets 6 at two ends of the honeycomb-shaped liquid cooling heat dissipation channels penetrate through end walls at two ends of the liquid cooling plate 2 to be communicated with the outside; the cooling bottom plate 7 matched with the liquid cooling plate 2 in shape is arranged below the liquid cooling plate, the characteristic of a honeycomb hexagon is skillfully utilized, the flow of fluid in the channel is not always constant, the flow direction is continuously changed along with the change of the flow channel, the flow path of the cooling liquid in the liquid cooling plate is increased by the changeable flow channel, and heat is better taken away.
The honeycomb-shaped liquid cooling heat dissipation channel 3 comprises a plurality of hexagonal channels 31 and straight channels 32, the hexagonal channels 31 are in a hexagonal tubular structure, the straight channels 32 are arranged among the hexagonal channels 31 at intervals, opposite angles of the hexagonal channels 31 in the horizontal direction are connected with the straight channels 32, a plurality of channels can form a honeycomb-shaped liquid cooling channel, the height of the channel is 1/5 of the height of the whole liquid cooling plate 2, and each hexagonal annular channel is arranged right below a battery, so that the heat dissipation efficiency is improved; the cooling liquid in the honeycomb liquid cooling heat dissipation channel 3 adopts the following components in proportion of 1: 1, water and glycol mixed solution; the cross-sectional area of the honeycomb-shaped liquid cooling heat dissipation channel 3 is 4: 1, in a rectangular shape.
The central axis of the hexagonal channel 31 coincides with the axis of the corresponding cylindrical battery 1, which is beneficial to heat dissipation.
The interval between adjacent cylindrical batteries 1 is 1.5 mm; the depth of the circular groove 4 is 1/7 of the height of the cylindrical battery 1, and the circular groove 4 is precisely matched with the battery to ensure that the battery can better transfer heat to the liquid cooling plate 2.
The distance between the bottom of the cylindrical battery 1 and the upper surface of the honeycomb-shaped liquid cooling heat dissipation channel 3 is 1mm, and the heat dissipation efficiency is improved.
The liquid cooling plate 2 is an aluminum plate, and has better heat conduction performance.
The battery module as described above may be assembled into a battery pack in such a manner that a plurality of battery modules are connected in series. The cooling liquid outlet of the last battery module is closely connected with the cooling liquid inlet of the next battery module, so that the battery module cooling system has a wide market prospect for the electric automobile industry.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention and the contents of the drawings or directly or indirectly applied to the related technical fields are included in the scope of the present invention.
Claims (5)
1. The utility model provides a honeycomb heat dissipation channel's bottom plate liquid cooling battery module which characterized in that: the liquid cooling device comprises a cylindrical battery (1), a liquid cooling plate (2) and a honeycomb-shaped liquid cooling heat dissipation channel (3), wherein the liquid cooling plate (2) is of a square structure, and a plurality of circular grooves (4) for inserting the bottom of the cylindrical battery (1) are formed in the upper surface of the liquid cooling plate; the honeycomb-shaped liquid cooling heat dissipation channels (3) are fixed inside the liquid cooling plate (2), and cooling liquid inlets (5) and cooling liquid outlets (6) at two ends of the honeycomb-shaped liquid cooling heat dissipation channels penetrate through end walls at two ends of the liquid cooling plate (2) to be communicated with the outside; a cooling bottom plate (7) matched with the liquid cooling plate (2) in shape is arranged below the liquid cooling plate; the honeycomb-shaped liquid cooling heat dissipation channel (3) comprises a plurality of hexagonal channels (31) and straight channels (32), the hexagonal channels (31) are of hexagonal tubular structures, the straight channels (32) are arranged between the hexagonal channels (31) at intervals, and the opposite angles of the horizontal direction of the hexagonal channels (31) are connected with the straight channels (32).
2. The bottom plate liquid-cooled battery module of a honeycomb heat dissipation channel of claim 1, wherein: the central axis of the hexagonal channel (31) coincides with the axis of the corresponding cylindrical battery (1).
3. The bottom plate liquid-cooled battery module with honeycomb heat dissipation channels of claim 2, wherein: the interval between the adjacent cylindrical batteries (1) is 1.5 mm; the depth of the circular groove (4) is 1/7 of the height of the cylindrical battery (1).
4. The bottom plate liquid-cooled battery module with honeycomb heat dissipation channels of claim 3, wherein: the distance between the bottom of the cylindrical battery (1) and the upper surface of the honeycomb-shaped liquid cooling heat dissipation channel (3) is 1 mm.
5. The bottom plate liquid-cooled battery module of a honeycomb heat dissipation channel of claim 1, wherein: the liquid cooling plate (2) is an aluminum plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121387882.3U CN215816022U (en) | 2021-06-22 | 2021-06-22 | Bottom plate liquid cooling battery module of honeycomb heat dissipation channel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121387882.3U CN215816022U (en) | 2021-06-22 | 2021-06-22 | Bottom plate liquid cooling battery module of honeycomb heat dissipation channel |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215816022U true CN215816022U (en) | 2022-02-11 |
Family
ID=80177824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202121387882.3U Expired - Fee Related CN215816022U (en) | 2021-06-22 | 2021-06-22 | Bottom plate liquid cooling battery module of honeycomb heat dissipation channel |
Country Status (1)
Country | Link |
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CN (1) | CN215816022U (en) |
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2021
- 2021-06-22 CN CN202121387882.3U patent/CN215816022U/en not_active Expired - Fee Related
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220211 |