CN117594912B - Double-layer sealed water-cooled battery pack box - Google Patents
Double-layer sealed water-cooled battery pack box Download PDFInfo
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- CN117594912B CN117594912B CN202410080266.5A CN202410080266A CN117594912B CN 117594912 B CN117594912 B CN 117594912B CN 202410080266 A CN202410080266 A CN 202410080266A CN 117594912 B CN117594912 B CN 117594912B
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- battery pack
- battery
- plates
- liquid
- cooling
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- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000001816 cooling Methods 0.000 claims abstract description 50
- 238000005086 pumping Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000004065 semiconductor Substances 0.000 claims abstract description 15
- 238000004806 packaging method and process Methods 0.000 claims abstract description 14
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 239000002826 coolant Substances 0.000 abstract description 3
- 230000005679 Peltier effect Effects 0.000 abstract description 2
- 238000005538 encapsulation Methods 0.000 abstract 1
- 239000000110 cooling liquid Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 125000006850 spacer group Chemical group 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
Abstract
The invention relates to the technical field of mobile power sources, in particular to a double-layer sealed water-cooled battery pack box body which comprises a packaging shell, a battery pack, a cooling control assembly and a battery manager, wherein the battery pack comprises a battery pack and a plurality of electric cores, the surface of the battery pack is provided with a plurality of group sleeve grooves, the electric cores are equally divided into a plurality of groups and are sleeved on the inner sides of the group sleeve grooves in a one-to-one correspondence manner, limiting plates are arranged at the upper end and the lower end of each electric core, the end parts of the electric cores penetrate through the limiting plates and are fixedly connected with electrode plates, a liquid guide plate is fixedly adhered to the surface of each limiting plate, and the packaging shell comprises two groups of sealing plates and the guide plates. Set up cooling control assembly structure in encapsulation casing both sides, utilize the peltier effect of semiconductor refrigeration piece to refrigerate the work, carry out quick cooling to the inside coolant liquid of group battery to move vortex and decide vortex relative motion and carry out the liquid flow circulation pumping through pumping motor drive, realize the inside high-efficient cooling of group battery, cooperation integral type packaging structure improves sealing performance.
Description
Technical Field
The invention relates to the technical field of mobile power supplies, in particular to a double-layer sealed water-cooled battery pack box body.
Background
The outdoor mobile power supply battery pack box body is used as a container of a battery, is convenient for batch production and use of the battery pack, and can effectively protect the battery to a certain extent. Chinese patent CN202020623978.4 discloses a battery box for a battery pack and a battery pack, the battery box comprises a box frame and a box bottom fixedly connected with the box frame, the box bottom is of a two-layer structure, comprising an upper flat plate and a lower stamping plate which are directly connected in a sealing manner, and the lower stamping plate is provided with a groove formed by stamping to form a fluid channel of a liquid cooling system. The bottom of the battery box body of the patent is an integrated liquid cooling system with a two-layer structure, so that a quick connector and a pipeline are not connected inside the battery pack, and the bottom of the battery box body is directly welded with a box body frame.
In this kind of water-cooling pipeline arrangement system, liquid cooling system's fluid channel arranges and upper and lower plywood surface, can effectively reduce battery surface temperature, but because the long-time work of battery package leads to the inside central zone temperature of battery package to concentrate and aggravate, because the work heat of battery package extremely easily leads to inside coolant liquid thermal expansion reaction to make battery package deformation take place to reveal, need connect the battery package extra radiator unit to carry out the liquid cooling work, and carry out the pressure release of coolant pipeline through peripheral hardware cooling module, with the sealed effect of keeping battery package inside and quick cooling effect, can't realize battery package integration, miniaturization, there are more defects. In view of the above, the present invention provides a double-layer sealed water-cooled battery pack case, which solves the existing problems and aims to solve the problems and improve the practical value by the technology.
Disclosure of Invention
The present invention aims to solve the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the invention is as follows: a double-layer sealed water-cooled battery pack case comprising: the battery pack comprises a battery pack and a plurality of battery cells, wherein the surface of the battery pack is provided with a plurality of grouping sleeve grooves, the battery cells are equally divided into a plurality of groups and are sleeved on the inner sides of the grouping sleeve grooves in a one-to-one correspondence manner, the inner sides of the grouping sleeve grooves are provided with lugs for arranging the battery cells, the upper end and the lower end of the battery cells are provided with limiting plates, the end parts of the battery cells penetrate through the limiting plates and are fixedly connected with electrode plates, the surface of the limiting plates is fixedly adhered with a liquid guide plate, the packaging shell comprises two groups of sealing plates and flow guide plates, the two groups of sealing plates and the flow guide plates are symmetrically arranged at the upper end and the lower end of the battery pack, the two sides of the flow guide plates are attached to the surfaces of the liquid guide plates, the surfaces of the flow guide plates are provided with liquid collecting grooves and flow channel grooves, and the end parts of the battery manager are electrically connected with the end parts of the electrode plates and are used for rectifying charge and discharge currents of the battery cells and monitoring currents and voltages;
the cooling control assembly is fixedly arranged on two sides of the battery pack, and comprises a heat dissipation fin plate, a cooling barrel, a pumping motor and a semiconductor refrigerating sheet, wherein the cooling barrel and the semiconductor refrigerating sheet are fixedly arranged on one side of the heat dissipation fin plate, the semiconductor refrigerating sheet is positioned on the inner side of the cooling barrel and is provided with a heat exchange fin plate positioned on the inner side of the cooling barrel, the top surface of the cooling barrel is provided with a pump box, the inner side of the cooling barrel is fixedly provided with a laminate seat, the output end of the pumping motor is fixedly connected with a movable vortex positioned between the pump box and the laminate seat, and the bottom surface of the pump box is fixedly provided with a fixed vortex.
The present invention may be further configured in a preferred example to: the battery kit is an all-metal component for heat balance conduction of the whole battery pack, each seven of the battery cells are divided into a plurality of groups, and the battery cells of each group are arranged in a honeycomb shape.
The present invention may be further configured in a preferred example to: the surface of the packaging shell and the surface of the battery pack are penetrated with threaded pull rods, and the threaded pull rods are used for penetrating through the sealing plate, the guide plate, the liquid guide plate, the limiting plate and the battery pack to splice and assemble the packaging shell and the battery pack.
The present invention may be further configured in a preferred example to: the limiting plate surface is provided with a through hole sleeved on the surface of the battery cell, the inner diameter of the through hole is larger than the outer diameter of the battery cell, the liquid guide plate surface is provided with a plurality of liquid passing holes for communicating the through hole on the surface of the limiting plate with the liquid collecting tank, and the liquid guide plate is made of rubber.
The present invention may be further configured in a preferred example to: the output end of the pumping motor is provided with an eccentric shaft rod, the output end of the pumping motor is rotationally connected with the surface of the fixed scroll through the eccentric shaft rod, the connecting circle center of the eccentric shaft rod and the fixed scroll deviates from the axis of the pumping motor, the fixed scroll and the movable scroll are positioned in the same plane and are mutually sleeved, and the fixed scroll and the movable scroll are in a plane spiral shape.
The present invention may be further configured in a preferred example to: the bottom of cooling bucket is equipped with the inlet with bottom guide plate intercommunication, the top surface centre of a circle department of pump box is equipped with the liquid outlet mouth with top guide plate intercommunication.
The present invention may be further configured in a preferred example to: and the surface of the eccentric shaft lever is fixedly connected with a stirring rod.
The present invention may be further configured in a preferred example to: the battery manager is used for collecting the current, the voltage and the temperature of the battery pack; and the battery manager performs AC/DC conversion on the voltage of the power grid during charging, then charges the battery pack, and performs DC/AC conversion on the battery pack voltage during discharging and then outputs the battery pack voltage.
The beneficial effects obtained by the invention are as follows:
1. according to the invention, an integrated layout design is adopted, cooling control component structures are arranged on two sides of a packaging shell, the Peltier effect of a semiconductor refrigeration sheet is utilized to perform refrigeration work, the cooling liquid in the battery pack is rapidly cooled, the pumping motor drives the movable vortex and the fixed vortex to perform relative motion so as to perform liquid flow circulation pumping, the cooling liquid in the battery pack is boosted, the cooling liquid circulates with the liquid flow in a cooling barrel, the efficient cooling of the inside of the battery pack is realized, and the sealing performance is improved by matching with the integrated packaging structure.
2. According to the invention, through arranging the block type layout structure, a plurality of battery cells are equally divided into a plurality of groups to be arranged in groups under the limit of the battery suite, so that a block type internal flow channel structure is formed, uniform heat conduction and heat dissipation of the surfaces of the battery cells are performed, the problem of overhigh temperature in a central area caused by concentrated accumulation of heat is avoided, and the working stability and the service life of the battery pack are improved.
3. According to the invention, the upper side and the lower side of the flexible liquid guide plate are in interference butt joint with the surfaces of the guide plate and the limiting plate, the pull rod is in interference fit under the tensioning action, the sealing performance is improved, the deformation of the battery pack can be effectively avoided in the thermal expansion reaction of the battery pack, and the stability of the battery pack is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic view showing a package case and a battery pack according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating an exploded structure of a battery pack according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a battery pack and a battery cell according to one embodiment of the present invention;
FIG. 5 is a schematic diagram of an exploded view of a cooling control assembly according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a pumping motor and scroll configuration according to one embodiment of the present invention;
fig. 7 is a schematic view of a heat dissipating fin mounting structure according to an embodiment of the present invention.
Reference numerals:
100. packaging the shell; 110. a sealing plate; 120. a deflector; 121. a liquid collecting tank; 122. a flow channel groove;
200. a battery pack; 210. a battery pack; 220. a battery cell; 230. a limiting plate; 240. a liquid guide plate; 250. an electrode plate; 211. a grouping sleeve groove; 212. a spacer;
300. a cooling control assembly; 310. a heat dissipation fin; 320. a cooling barrel; 330. a pumping motor; 340. a semiconductor refrigeration sheet; 350. a fixed scroll; 360. an orbiting scroll; 321. a pump box; 322. a laminate base; 331. an eccentric shaft lever; 341. a heat exchange fin plate;
400. and a battery manager.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
Some embodiments of the present invention provide a double-layer sealed water-cooled battery pack case with reference to the accompanying drawings.
Referring to fig. 1 to 7, the present invention provides a double-layer sealed water-cooled battery pack case, comprising: the battery pack 200 comprises a battery pack 210 and a plurality of battery cells 220, a plurality of group sleeve grooves 211 are formed in the surface of the battery pack 210, the battery cells 220 are equally divided into a plurality of groups and are sleeved on the inner sides of the group sleeve grooves 211 in a one-to-one correspondence mode, separation lugs 212 used for arranging the battery cells 220 are arranged on the inner sides of the group sleeve grooves 211, limiting plates 230 are arranged at the upper end and the lower end of each battery cell 220, the end parts of the battery cells 220 penetrate through the limiting plates 230 and are fixedly connected with electrode plates 250, a liquid guide plate 240 is fixedly adhered to the surface of each limiting plate 230, the packaging shell 100 comprises two groups of sealing plates 110 and guide plates 120, the two groups of sealing plates 110 and the guide plates 120 are symmetrically arranged at the upper end and the lower end of the battery pack 200, the two sides of each guide plate 120 are attached to the surfaces of the corresponding sealing plates 240 and the guide plates 110, liquid collecting grooves 121 and flow channel grooves 122 are formed in the surfaces of the guide plates 120, and the end parts of the battery manager 400 are electrically connected with the end parts of the electrode plates 250 for charge and discharge current rectification and current and voltage monitoring of the battery cells 220;
the cooling control assembly 300 is fixedly installed on two sides of the battery pack 200, the cooling control assembly 300 comprises a heat dissipation fin 310, a cooling barrel 320, a pumping motor 330 and a semiconductor refrigerating sheet 340, the cooling barrel 320 and the semiconductor refrigerating sheet 340 are fixedly installed on one side of the heat dissipation fin 310, the semiconductor refrigerating sheet 340 is located on the inner side of the cooling barrel 320 and is provided with a heat exchange fin 341 located on the inner side of the cooling barrel 320 on the surface, a pump box 321 is arranged on the top surface of the cooling barrel 320, a laminate seat 322 is fixedly installed on the inner side of the cooling barrel 320, an output end of the pumping motor 330 is fixedly connected with a movable vortex 360 located between the pump box 321 and the laminate seat 322, and a fixed vortex 350 is fixedly installed on the bottom surface of the pump box 321.
In this embodiment, the battery pack 210 is an all-metal member for heat balance conduction of the entire battery pack 200, each of the plurality of battery cells 220 is divided into a plurality of groups, and the battery cells 220 of each group are arranged in a honeycomb shape.
Specifically, the plurality of electric cores 220 are equally divided into a plurality of groups to be arranged in groups under the limit of the battery sleeve 210, so that a block type internal flow channel structure is formed, and uniform heat conduction and heat dissipation of the surfaces of the electric cores 220 are performed.
In this embodiment, threaded tie rods are disposed on the surfaces of the package housing 100 and the battery pack 200, and the threaded tie rods are used to penetrate the sealing plate 110, the baffle 120, the liquid guide plate 240, the limiting plate 230 and the battery pack 210 to perform the splice assembly of the package housing 100 and the battery pack 200.
Specifically, the two sets of sealing plates 110, the baffle 120, the liquid guide plate 240, and the limiting plate 230 are symmetrically disposed on the upper and lower surfaces of the battery pack 210 and are fixed by threaded tie rods.
In this embodiment, the surface of the limiting plate 230 is provided with a through hole sleeved on the surface of the battery cell 220, the inner diameter of the through hole is larger than the outer diameter of the battery cell 220, the surface of the liquid guide plate 240 is provided with a plurality of liquid through holes for communicating the through hole on the surface of the limiting plate 230 with the liquid collecting tank 121, and the liquid guide plate 240 is made of rubber.
Specifically, through the interference butt of flexible drain board 240 upper and lower both sides and guide plate 120 and limiting plate 230 surface, the interference laminating under the pull rod stretch-draw effect improves sealing performance, can effectively avoid the deformation of battery package in the thermal expansion reaction of battery package, further promotes the stability of battery package.
In this embodiment, the output end of the pumping motor 330 is provided with an eccentric shaft 331, the output end of the pumping motor 330 is rotationally connected with the surface of the fixed scroll 350 through the eccentric shaft 331, the connection center of the eccentric shaft 331 and the fixed scroll 350 deviates from the axis of the pumping motor 330, the fixed scroll 350 and the movable scroll 360 are located in the same plane and are mutually sleeved, and the fixed scroll 350 and the movable scroll 360 are both in a plane spiral shape.
In this embodiment, the bottom end of the cooling barrel 320 is provided with a liquid inlet communicated with the bottom end guide plate 120, and the center of the top surface of the pump box 321 is provided with a liquid outlet communicated with the top end guide plate 120.
Specifically, the pumping motor 330 drives the movable scroll 360 to perform eccentric swing and interact with the fixed scroll 350, so that cooling liquid in the cooling barrel 320 is conveyed to the axes of the fixed scroll 350 and the movable scroll 360 and is guided out through a liquid outlet pipe orifice on the top surface of the pump box 321, and cooling liquid pumping is realized.
In this embodiment, a stirring rod is fixedly connected to the surface of the eccentric shaft 331.
Specifically, during driving of the pumping motor 330, the cooling liquid can be fully contacted with the surface of the heat exchange fin plate 341 for heat exchange through rotation of the eccentric shaft lever 331 and movement of the surface stirring rod.
In this embodiment, the battery manager 400 is used to collect the current, voltage and temperature of the battery pack; the battery manager 400 performs AC/DC conversion on the voltage of the power grid and then charges the battery pack, and performs DC/AC conversion on the battery pack voltage and then outputs the battery pack voltage when discharging.
Specifically, intelligent monitoring and control of the entire battery pack is performed by the battery manager 400.
The working principle and the using flow of the invention are as follows:
each seven groups of electric cores 220 in the battery pack box body are divided into a plurality of groups, grouping sleeve grooves 211 are arranged on the surface of a battery sleeve piece 210 one by one, each electric core 220 is separated by a separation lug 212, the space between each electric core 220 is kept, a liquid flow channel is formed, through holes with the diameter slightly larger than the outer diameter of each electric core 220 are arranged on the surface of a limiting plate 230 and used for limiting the electric cores 220, liquid flow in the grouping sleeve grooves 211 can be led out through the through holes on the surface of the limiting plate 230, enters a liquid collecting groove 121 after passing through a liquid guide plate 240 and is converged through a flow channel groove 122, and is led into the cooling control assembly 300, and the upper end and the lower end of the battery sleeve piece 210 are guided and converged through the limiting plate 230, the limiting plate 230 and the guide plate 120;
the liquid flow is driven by the pumping motor 330 to move relatively to the stationary fixed scroll 350 in the eccentric movement of the movable scroll 360, so as to pump the cooling liquid, and the liquid flow passes through the bottom runner groove 122 and enters the cooling barrel 320 through the liquid inlet on the surface of the cooling barrel 320, fully contacts the surface of the heat exchange fin plate 341 in the rotation stirring of the eccentric shaft 331, namely contacts the refrigerating surface of the semiconductor refrigerating plate 340, so as to cool, the heating surface heat of the semiconductor refrigerating plate 340 is discharged into the air through the heat dissipation fin plate 310 and the surface fan, the low Wen Yeliu in the cooling barrel 320 is guided into the runner groove 122 above the battery pack 200 through the liquid ejection pipe of the pump box 321 after the relative action of the fixed scroll 350 and the movable scroll 360, and flows back to the battery pack 210 through the limiting plate 230 and the liquid guide plate 240 so as to cool the battery, thus forming a whole circulation cooling loop, and ensuring the stable operation of the battery.
Although embodiments of the present invention 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 spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. A double-layer sealed water-cooled battery pack case, comprising: the battery pack comprises a packaging shell (100), a battery pack (200), a cooling control assembly (300) and a battery manager (400), wherein the battery pack (200) comprises a battery sleeve (210) and a plurality of electric cores (220), the packaging shell (100) comprises two groups of sealing plates (110) and guide plates (120), the two groups of sealing plates (110) and the guide plates (120) are symmetrically arranged at the upper end and the lower end of the battery pack (200), and two sides of the guide plates (120) are attached to the surfaces of the liquid guide plates (240) and the sealing plates (110);
the cooling control assembly (300) is fixedly arranged on two sides of the battery pack (200), the cooling control assembly (300) comprises a heat dissipation fin plate (310), a cooling barrel (320), a pumping motor (330) and a semiconductor refrigerating sheet (340), the cooling barrel (320) and the semiconductor refrigerating sheet (340) are fixedly arranged on one side of the heat dissipation fin plate (310), the semiconductor refrigerating sheet (340) is positioned on the inner side of the cooling barrel (320) and the surface of the semiconductor refrigerating sheet is provided with a heat exchange fin plate (341) positioned on the inner side of the cooling barrel (320), the top surface of the cooling barrel (320) is provided with a pump box (321), the inner side of the cooling barrel (320) is fixedly provided with a laminate seat (322), the output end of the pumping motor (330) is fixedly connected with a movable scroll (360) positioned between the pump box (321) and the laminate seat (322), and the bottom surface of the pump box (321) is fixedly provided with a fixed scroll (350);
the output end of the pumping motor (330) is provided with an eccentric shaft lever (331), the output end of the pumping motor (330) is rotationally connected with the surface of the fixed scroll (350) through the eccentric shaft lever (331), the connecting circle center of the eccentric shaft lever (331) and the fixed scroll (350) deviates from the axle center of the pumping motor (330), the fixed scroll (350) and the movable scroll (360) are positioned in the same plane and are mutually sleeved, and the fixed scroll (350) and the movable scroll (360) are in plane spiral shapes;
the battery kit (210) is an all-metal member for heat balance conduction of the whole battery pack (200), each seven of the battery cells (220) is divided into a plurality of groups, and the battery cells (220) of each group are arranged in a honeycomb shape;
the battery pack is characterized in that a plurality of grouping sleeve grooves (211) are formed in the surface of the battery pack (210), the battery cells (220) are equally divided into a plurality of groups and are sleeved on the inner sides of the grouping sleeve grooves (211) in a one-to-one correspondence mode, the inner sides of the grouping sleeve grooves (211) are provided with spacing lugs (212) used for arranging the battery cells (220), limiting plates (230) are arranged at the upper end and the lower end of each battery cell (220), the end portions of the battery cells (220) penetrate through the limiting plates (230) and are fixedly connected with electrode plates (250), and liquid guide plates (240) are fixedly adhered to the surfaces of the limiting plates (230).
2. The double-layer sealed water-cooled battery pack box according to claim 1, wherein threaded pull rods penetrate through the surfaces of the packaging shell (100) and the battery pack (200), and the threaded pull rods are used for penetrating through the sealing plate (110), the guide plate (120), the liquid guide plate (240), the limiting plate (230) and the battery pack (210) to carry out splicing assembly of the packaging shell (100) and the battery pack (200).
3. The double-layer sealed water-cooled battery pack box according to claim 1, wherein a liquid collecting tank (121) and a flow channel groove (122) are arranged on the surface of the flow guide plate (120), and the end part of the battery manager (400) is electrically connected with the end part of the electrode plate (250) for rectifying charging and discharging current and monitoring current and voltage of the battery cell (220).
4. The double-layer sealed water-cooled battery pack box body according to claim 1, wherein the surface of the limiting plate (230) is provided with a through hole sleeved on the surface of the battery cell (220), the inner diameter of the through hole is larger than the outer diameter of the battery cell (220), the surface of the liquid guide plate (240) is provided with a plurality of liquid through holes for communicating the through hole on the surface of the limiting plate (230) with the liquid collecting tank (121), and the liquid guide plate (240) is made of rubber.
5. A double-layer sealed water-cooled battery pack box according to claim 3, wherein the bottom end of the cooling barrel (320) is provided with a liquid inlet communicated with the bottom end guide plate (120), and a liquid outlet communicated with the top end guide plate (120) is arranged at the center of the top surface of the pump box (321).
6. The double-layer sealed water-cooled battery pack case according to claim 1, wherein a stirring rod is fixedly connected to the surface of the eccentric shaft lever (331).
7. The double-layer sealed water-cooled battery pack case according to claim 1, wherein the battery manager (400) is configured to collect the current, voltage and temperature of the battery pack; the battery manager (400) performs AC/DC conversion on the voltage of the power grid during charging, then charges the battery pack, and performs DC/AC conversion on the battery pack voltage during discharging and then outputs the battery pack voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410080266.5A CN117594912B (en) | 2024-01-19 | 2024-01-19 | Double-layer sealed water-cooled battery pack box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410080266.5A CN117594912B (en) | 2024-01-19 | 2024-01-19 | Double-layer sealed water-cooled battery pack box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117594912A CN117594912A (en) | 2024-02-23 |
| CN117594912B true CN117594912B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410080266.5A Active CN117594912B (en) | 2024-01-19 | 2024-01-19 | Double-layer sealed water-cooled battery pack box |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106384852A (en) * | 2016-11-30 | 2017-02-08 | 王波 | Battery system |
| CN212303803U (en) * | 2020-04-26 | 2021-01-05 | 东风海博新能源科技有限公司 | Power system battery pack without modularized belt liquid cooling structure |
| CN214227005U (en) * | 2020-12-15 | 2021-09-17 | 深圳市中科久明新能源技术有限公司 | Lithium battery for industrial vehicle |
| CN216213716U (en) * | 2021-10-25 | 2022-04-05 | 苏州新同创汽车空调有限公司 | Compact battery heat management device and mounting structure thereof |
| WO2023125886A1 (en) * | 2021-12-31 | 2023-07-06 | 陕西奥林波斯电力能源有限责任公司 | High-capacity battery |
| CN116937005A (en) * | 2023-09-13 | 2023-10-24 | 江苏冠华新能源科技有限公司 | Liquid cooling energy storage battery cluster |
-
2024
- 2024-01-19 CN CN202410080266.5A patent/CN117594912B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384852A (en) * | 2016-11-30 | 2017-02-08 | 王波 | Battery system |
| CN212303803U (en) * | 2020-04-26 | 2021-01-05 | 东风海博新能源科技有限公司 | Power system battery pack without modularized belt liquid cooling structure |
| CN214227005U (en) * | 2020-12-15 | 2021-09-17 | 深圳市中科久明新能源技术有限公司 | Lithium battery for industrial vehicle |
| CN216213716U (en) * | 2021-10-25 | 2022-04-05 | 苏州新同创汽车空调有限公司 | Compact battery heat management device and mounting structure thereof |
| WO2023125886A1 (en) * | 2021-12-31 | 2023-07-06 | 陕西奥林波斯电力能源有限责任公司 | High-capacity battery |
| CN116937005A (en) * | 2023-09-13 | 2023-10-24 | 江苏冠华新能源科技有限公司 | Liquid cooling energy storage battery cluster |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117594912A (en) | 2024-02-23 |
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