CN214797532U - Cylindrical power battery system - Google Patents
Cylindrical power battery system Download PDFInfo
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- CN214797532U CN214797532U CN202121017459.4U CN202121017459U CN214797532U CN 214797532 U CN214797532 U CN 214797532U CN 202121017459 U CN202121017459 U CN 202121017459U CN 214797532 U CN214797532 U CN 214797532U
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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 cylindrical power battery system, which relates to the field of new energy power batteries and comprises a cylindrical module, a liquid cooling plate, a water inlet pipe and a water outlet pipe; a plurality of cylindrical modules are arranged in a line, and one end or two ends of each cylindrical module along the length direction of the cylindrical power battery system are provided with liquid cooling plates; the water inlet pipe and the water outlet pipe are respectively communicated with each liquid cooling plate. The utility model has the advantages that: the liquid cooling board is ordinary straight board liquid cooling flat board, places the tip at the cylinder module, need not like snakelike liquid cooling area winding between electric core, and the dismouting is maintained conveniently.
Description
Technical Field
The utility model relates to a new forms of energy power battery field especially relates to a cylinder power battery system.
Background
At present, the requirements for the safety reliability, the high endurance and the like of the power battery PACK are higher and higher in various industry fields for promoting the electric substitution process at home and abroad, so that the requirements for the high-rate charge and discharge of the power battery PACK are also improved. The high-rate discharge temperature of the PACK of the power battery is a factor which causes poor safety and reliability of the battery, large resistance of a high-endurance target, low charging speed, high-temperature alarm and the like, and influences the use of the power battery. Therefore, it is urgent to solve such problems, and the design of cooling the power battery pack is also proposed. The liquid cooling design of current cylinder electricity core power battery group mainly is liquid cooling area design scheme, and the dismouting is maintained inconveniently, and is inefficient, and the cost of labor is high, can not satisfy the demand of automation line's high efficiency, low cost of labor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a cylinder power battery system of convenient is maintained in dismouting is provided.
The utility model discloses a realize solving above-mentioned technical problem through following technical means: the cylindrical power battery system comprises a cylindrical module (1), a liquid cooling plate (2), a water inlet pipe (5) and a water outlet pipe (6); a plurality of cylindrical modules (1) are arranged in a line, and one end or two ends of each cylindrical module (1) along the length direction of the cylindrical power battery system are provided with liquid cooling plates (2); the water inlet pipe (5) and the water outlet pipe (6) are respectively communicated with each liquid cooling plate (2). Every liquid cooling board can be used for the cooling of one or two adjacent cylinder modules or heaies up, and the liquid cooling board is ordinary straight board liquid cooling flat board, places the tip at the cylinder module, need not like snakelike liquid cooling area winding between electric core, and the dismouting is maintained conveniently, simple structure, and is with low costs.
As the optimized technical scheme, the cylindrical modules (1) comprise cylindrical battery cells (12), a plurality of cylindrical battery cells (12) are arranged together in each cylindrical module (1), and the axial direction of each cylindrical battery cell (12) is along the length direction of the cylindrical power battery system. The liquid cooling board corresponds the tip of each cylinder electricity core, can with each cylinder electricity core transmission heat, and liquid cooling or liquid are hot effectual.
As an optimized technical scheme, the cylindrical module (1) further comprises a side cover (11) and a pole piece (13); two side covers (11) in each cylindrical module (1) are oppositely arranged; each cylindrical battery cell (12) is arranged between the two side covers (11), and two ends of each cylindrical battery cell (12) respectively penetrate through corresponding through holes on the two side covers (11); a plurality of pole pieces (13) are respectively arranged at two ends of each cylindrical module (1) along the axial direction of each cylindrical battery cell (12), and each pole piece (13) is fixedly connected with the end parts of the plurality of cylindrical battery cells (12) from the outer side of the side cover (11) respectively; the cylindrical power battery system further comprises heat-conducting insulating pads (4), wherein the two sides of each liquid cooling plate (2) are respectively and fixedly connected with the heat-conducting insulating pads (4) which correspond to the pole pieces (13) opposite to the side one by one, and each heat-conducting insulating pad (4) is respectively contacted with each pole piece (13). The heat conduction insulating pad fully contacts with the pole piece, so that the heat of each cylindrical battery cell can be quickly conducted to the liquid cooling plate or the heat of the liquid cooling plate can be quickly conducted to each cylindrical battery cell, and the liquid cooling or liquid heating effect is good.
As an optimized technical scheme, the outer surface of the liquid cooling plate (2) is coated with an insulating coating. The liquid cooling plate can be directly contacted with the pole piece, so that the safety performance between the liquid cooling plate and the cylindrical module is improved.
As an optimized technical scheme, an insulating plate (3) is arranged at the end part of the cylindrical module (1) which is not provided with the liquid cooling plate (2). The adjacent cylindrical modules are insulated through a liquid cooling plate or an insulating plate, and two ends of the cylindrical power battery system are insulated from an external fixing mechanism such as a pressing plate through the liquid cooling plate or the insulating plate.
As an optimized technical scheme, connecting holes are respectively formed in the outer side bottoms of the two module pressing plates (7), and the two module pressing plates (7) are respectively fixedly connected to matched supports through fasteners penetrating through the connecting holes.
As an optimized technical scheme, the cylindrical power battery system also comprises a module pressing plate (7) and a pull rod (8); the two module pressing plates (7) are respectively arranged on the outer sides of the insulating plates (3) positioned at the two ends of the cylindrical power battery system in the length direction; the hydraulic cooling device is provided with a plurality of pull rods (8), the two ends of each pull rod (8) are fixedly connected with the two module pressing plates (7) respectively, and the middle part of each pull rod (8) penetrates through each cylindrical module (1), each liquid cooling plate (2) and each insulating plate (3) respectively. The whole package assembly mode of the cylindrical power battery system is formed by assembling the pull rod pressing plates, so that the close contact between each cylindrical module and the two sides of each liquid cooling plate can be increased, and the heat conduction efficiency is improved.
As an optimized technical scheme, the liquid cooling plate (2) comprises a liquid cooling plate main body (21), a water inlet (22) and a water outlet (23), the liquid cooling plate main body (21) is of a flat plate structure, a liquid cooling runner is arranged inside the liquid cooling plate main body (21), and the water inlet (22) and the water outlet (23) are respectively and fixedly connected to the liquid cooling plate main body (21) and are respectively communicated with the liquid cooling runner; the water inlet pipe (5) is communicated with the water inlet (22) of each liquid cooling plate (2); the water outlet pipe (6) is communicated with the water outlet (23) of each liquid cooling plate (2).
As an optimized technical scheme, each liquid cooling plate (2) comprises two water inlets (22), and the two water inlets (22) face to two sides of the liquid cooling plate (2) respectively; the water inlet pipe (5) comprises a plurality of water inlet pipe sections; one end of the first water inlet pipe section is connected with the liquid cooling unit, and the other end of the first water inlet pipe section is connected with a water inlet (22) of the first liquid cooling plate (2) facing outwards; one end of the last water inlet pipe section is connected with the liquid cooling unit, and the other end of the last water inlet pipe section is connected with a water inlet (22) of the last liquid cooling plate (2) facing outwards; when a plurality of liquid cooling plates (2) are arranged, two ends of the middle water inlet pipe section are respectively connected with two water inlets (22) opposite to the two adjacent liquid cooling plates (2). The water inlet pipe can simultaneously feed water through the first water inlet pipe section and the last water inlet pipe section.
As an optimized technical scheme, each liquid cooling plate (2) comprises a water outlet (23); when being equipped with a plurality of liquid cooling board (2), outlet pipe (6) include a plurality of delivery pipe sections, and each delivery pipe section connects gradually through water connectors, and every water connector connects delivery port (23) of a liquid cooling board (2) respectively.
The utility model has the advantages that:
1. every liquid cooling board can be used for the cooling of one or a set of adjacent cylinder module or heaies up, and the liquid cooling board is ordinary straight board liquid cooling flat board, places the tip at the cylinder module, need not like snakelike liquid cooling area winding between electric core, and the dismouting is maintained conveniently, simple structure, and is with low costs.
2. The heat conduction insulating pad fully contacts with the pole piece, so that the heat of each cylindrical battery cell can be quickly conducted to the liquid cooling plate or the heat of the liquid cooling plate can be quickly conducted to each cylindrical battery cell, and the liquid cooling or liquid heating effect is good.
3. The whole package assembly mode of the cylindrical power battery system is formed by assembling the pull rod pressing plates, so that the close contact between each cylindrical module and the two sides of each liquid cooling plate can be increased, and the heat conduction efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a cylindrical power battery system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a cylindrical module according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of the liquid cooling plate and the heat conducting insulating pad according to the embodiment of the present invention.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the cylindrical power battery system includes a cylindrical module 1, a liquid cooling plate 2, an insulating plate 3, a heat conducting insulating pad 4, a water inlet pipe 5, a water outlet pipe 6, a module pressing plate 7, and a pull rod 8.
The cylindrical module 1 comprises a side cover 11, a cylindrical battery cell 12 and a pole piece 13; the two side covers 11 in each cylindrical module 1 are oppositely arranged and play roles of fixing and supporting, so that the cylindrical module 1 has certain mechanical strength; a plurality of cylindrical battery cells 12 in each cylindrical module 1 are arranged together, each cylindrical battery cell 12 is installed between two side covers 11, the axial direction of each cylindrical battery cell 12 is along the length direction of the cylindrical power battery system, and two ends of each cylindrical battery cell 12 respectively penetrate through corresponding through holes on the two side covers 11; every cylinder module 1 is equipped with 3 pole pieces 13 respectively along the both ends of each cylinder electricity core 12 axis direction, and every pole piece 13 welds with the tip of a plurality of cylinder electricity cores 12 from the outside of side cap 11 respectively, and each pole piece 13 is established ties or is parallelly connected according to certain order with cylinder electricity core 12.
As shown in fig. 1, 4 cylindrical modules 1 are arranged in a row from left to right, and the pole pieces 13 of each adjacent cylindrical module 1 are opposite; one end or two ends of each cylindrical module 1 along the length direction of the cylindrical power battery system are provided with liquid cooling plates 2; when the number of the cylindrical modules 1 is even number N, the number of the liquid cooling plates 2 is N/2, the number of the insulating plates 3 is N/2+1, when the number of the cylindrical modules 1 is odd number N, the number of the liquid cooling plates 2 is (N +1)/2, the number of the insulating plates 3 is (N +1)/2, and the number of the liquid cooling plates 2 is the minimum in the arrangement mode; the number of the liquid cooling plates 2 is 2, and the number of the insulating plates 3 is 3; the end part of the cylindrical module 1 which is not provided with the liquid cooling plate 2 is provided with an insulating plate 3, the adjacent cylindrical modules 1 are insulated through the liquid cooling plate 2 or the insulating plate 3, and the two ends of the cylindrical power battery system are insulated with a module pressing plate 7 through the insulating plate 3.
The liquid cooling plate 2 comprises a liquid cooling plate main body 21, a water inlet 22 and a water outlet 23; the liquid cooling plate main body 21 is of a flat plate structure, a liquid cooling runner is arranged in the liquid cooling plate main body 21, and cooling liquid can circulate in the liquid cooling runner; the water inlet 22 and the water outlet 23 are respectively fixedly connected to the front side edge of the liquid cooling plate main body 21 and are respectively communicated with the liquid cooling flow channel; each liquid cooling plate 2 comprises two water inlets 22 and one water outlet 23, the two water inlets 22 respectively face to two sides of the liquid cooling plate 2, and the water outlet 23 is located below the water inlets 22 and faces upwards.
The outer surface of the liquid cooling plate 2 is coated with an insulating coating, and can be directly contacted with the pole piece 13 in the cylindrical module 1, so that the safety performance between the liquid cooling plate 2 and the cylindrical module 1 is improved.
3 heat-conducting insulating pads 4 which correspond to the pole pieces 13 opposite to the side one by one are respectively bonded on two sides of each liquid cooling plate 2, each heat-conducting insulating pad 4 is respectively contacted with each pole piece 13, and each heat-conducting insulating pad 4 is cut and molded according to the shape of the corresponding pole piece 13; the heat conducting insulating pad 4 can ensure that each cylindrical battery cell 12 can be fully contacted with the liquid cooling plate 2, so that the heat of each cylindrical battery cell 12 can be quickly conducted to the liquid cooling plate 2 or the heat of the liquid cooling plate 2 can be quickly conducted to each cylindrical battery cell 12.
The water inlet pipe 5 is communicated with the water inlet 22 of each liquid cooling plate 2; in this embodiment, 2 liquid cooling plates 2 are arranged, so the water inlet pipe 5 comprises 3 water inlet pipe sections, one end of the first water inlet pipe section is connected with the liquid cooling unit, and the other end of the first water inlet pipe section is connected with the water inlet 22 facing outwards of the first liquid cooling plate 2; one end of the last water inlet pipe section is connected with the liquid cooling unit, and the other end of the last water inlet pipe section is connected with a water inlet 22 facing the outside of the last liquid cooling plate 2; two ends of the middle water inlet pipe section are respectively connected with two water inlets 22 opposite to the two adjacent liquid cooling plates 2.
The water outlet pipe 6 is communicated with the water outlet 23 of each liquid cooling plate 2; be equipped with 2 liquid cooling plates 2 in this embodiment, so outlet pipe 6 includes 2 play water pipe sections, and each goes out water pipe section and connects gradually through water connectors, and every water connectors connects the delivery port 23 of a liquid cooling plate 2 respectively.
The coolant liquid is carried to each liquid cooling board 2 through inlet tube 5 in, discharges through outlet pipe 6 after each liquid cooling board 2 mesocycle, realizes the heat exchange function between cylinder module 1 and liquid cooling board 2.
The two module pressing plates 7 are respectively arranged on the outer sides of the insulating plates 3 positioned at the two ends of the cylindrical power battery system in the length direction; the outer side bottoms of the two module pressing plates 7 are respectively provided with a connecting hole, and the two module pressing plates 7 are respectively fixedly connected to the matched supports through fasteners penetrating through the connecting holes.
The device is provided with four pull rods 8, two ends of each pull rod 8 are fixedly connected with two module pressing plates 7 through fastening nuts respectively, and the middle part of each pull rod 8 penetrates through each cylindrical module 1, each liquid cooling plate 2 and each insulating plate 3 respectively; the whole package assembly mode of the cylindrical power battery system is formed by assembling the pull rod pressing plates, so that the close contact between each cylindrical module 1 and the heat conduction insulating pads 4 on the two sides of each liquid cooling plate 2 can be increased, and the heat conduction efficiency is improved.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A cylinder power battery system which characterized in that: comprises a cylindrical module (1), a liquid cooling plate (2), a water inlet pipe (5) and a water outlet pipe (6); a plurality of cylindrical modules (1) are arranged in a line, and one end or two ends of each cylindrical module (1) along the length direction of the cylindrical power battery system are provided with liquid cooling plates (2); the water inlet pipe (5) and the water outlet pipe (6) are respectively communicated with each liquid cooling plate (2).
2. The cylindrical power cell system of claim 1, wherein: the cylindrical module (1) comprises cylindrical battery cells (12), a plurality of cylindrical battery cells (12) are arranged together in each cylindrical module (1), and the axial direction of each cylindrical battery cell (12) is along the length direction of the cylindrical power battery system.
3. The cylindrical power cell system of claim 1, wherein: the cylindrical module (1) further comprises a side cover (11) and a pole piece (13); two side covers (11) in each cylindrical module (1) are oppositely arranged; each cylindrical battery cell (12) is arranged between the two side covers (11), and two ends of each cylindrical battery cell (12) respectively penetrate through corresponding through holes on the two side covers (11); a plurality of pole pieces (13) are respectively arranged at two ends of each cylindrical module (1) along the axial direction of each cylindrical battery cell (12), and each pole piece (13) is fixedly connected with the end parts of the plurality of cylindrical battery cells (12) from the outer side of the side cover (11) respectively; the cylindrical power battery system further comprises heat-conducting insulating pads (4), wherein the two sides of each liquid cooling plate (2) are respectively and fixedly connected with the heat-conducting insulating pads (4) which correspond to the pole pieces (13) opposite to the side one by one, and each heat-conducting insulating pad (4) is respectively contacted with each pole piece (13).
4. The cylindrical power cell system of claim 1, wherein: the outer surface of the liquid cooling plate (2) is coated with an insulating coating.
5. The cylindrical power cell system of claim 1, wherein: and an insulating plate (3) is arranged at the end part of the cylindrical module (1) which is not provided with the liquid cooling plate (2).
6. The cylindrical power cell system of claim 5, wherein: the cylindrical power battery system also comprises a module pressing plate (7) and a pull rod (8); the two module pressing plates (7) are respectively arranged on the outer sides of the insulating plates (3) positioned at the two ends of the cylindrical power battery system in the length direction; the hydraulic cooling device is provided with a plurality of pull rods (8), the two ends of each pull rod (8) are fixedly connected with the two module pressing plates (7) respectively, and the middle part of each pull rod (8) penetrates through each cylindrical module (1), each liquid cooling plate (2) and each insulating plate (3) respectively.
7. The cylindrical power cell system of claim 6, wherein: connecting holes are respectively formed in the outer side bottoms of the two module pressing plates (7), and the two module pressing plates (7) are fixedly connected to matched supports through fasteners penetrating through the connecting holes.
8. The cylindrical power cell system of claim 1, wherein: the liquid cooling plate (2) comprises a liquid cooling plate main body (21), a water inlet (22) and a water outlet (23), the liquid cooling plate main body (21) is of a flat plate structure, a liquid cooling runner is arranged inside the liquid cooling plate main body (21), and the water inlet (22) and the water outlet (23) are respectively and fixedly connected to the liquid cooling plate main body (21) and are respectively communicated with the liquid cooling runner; the water inlet pipe (5) is communicated with the water inlet (22) of each liquid cooling plate (2); the water outlet pipe (6) is communicated with the water outlet (23) of each liquid cooling plate (2).
9. The cylindrical power cell system of claim 8, wherein: each liquid cooling plate (2) comprises two water inlets (22), and the two water inlets (22) face to two sides of the liquid cooling plate (2) respectively; the water inlet pipe (5) comprises a plurality of water inlet pipe sections; one end of the first water inlet pipe section is connected with the liquid cooling unit, and the other end of the first water inlet pipe section is connected with a water inlet (22) of the first liquid cooling plate (2) facing outwards; one end of the last water inlet pipe section is connected with the liquid cooling unit, and the other end of the last water inlet pipe section is connected with a water inlet (22) of the last liquid cooling plate (2) facing outwards; when a plurality of liquid cooling plates (2) are arranged, two ends of the middle water inlet pipe section are respectively connected with two water inlets (22) opposite to the two adjacent liquid cooling plates (2).
10. The cylindrical power cell system of claim 8, wherein: each liquid cooling plate (2) comprises a water outlet (23); when being equipped with a plurality of liquid cooling board (2), outlet pipe (6) include a plurality of delivery pipe sections, and each delivery pipe section connects gradually through water connectors, and every water connector connects delivery port (23) of a liquid cooling board (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121017459.4U CN214797532U (en) | 2021-05-12 | 2021-05-12 | Cylindrical power battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121017459.4U CN214797532U (en) | 2021-05-12 | 2021-05-12 | Cylindrical power battery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214797532U true CN214797532U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121017459.4U Active CN214797532U (en) | 2021-05-12 | 2021-05-12 | Cylindrical power battery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214797532U (en) |
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2021
- 2021-05-12 CN CN202121017459.4U patent/CN214797532U/en active Active
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