CN210723291U - Lithium battery pack with high cooling efficiency - Google Patents

Lithium battery pack with high cooling efficiency Download PDF

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Publication number
CN210723291U
CN210723291U CN201922243469.9U CN201922243469U CN210723291U CN 210723291 U CN210723291 U CN 210723291U CN 201922243469 U CN201922243469 U CN 201922243469U CN 210723291 U CN210723291 U CN 210723291U
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battery
heat dissipation
water storage
box
fixedly connected
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CN201922243469.9U
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Chinese (zh)
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胡林
王彩峰
陈焕英
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Jiujiang Cetra New Energy Technology Co ltd
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Jiujiang Cetra New Energy Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a lithium cell group that cooling efficiency is high, including the water storage box, water storage box lower extreme fixed mounting has a radiator unit, water storage box upper end middle part fixed mounting has the battery box, water storage box upper end left part is provided with the water filling port, battery box upper end fixedly connected with axial fan, the miniature suction pump of the anterior fixedly connected with of water storage box right-hand member, and the delivery end fixedly connected with conveyer pipe of miniature suction pump, the one end fixed connection that miniature suction pump was kept away from to the conveyer pipe is anterior at the battery box right-hand member, common fixedly connected with back flow between battery box left end rear portion and the water storage box left end rear portion, be provided with first group battery, second group battery and heat dissipation in the battery box and arrange. A lithium cell group that cooling efficiency is high, cooling radiating efficiency is high, and can guarantee that the temperature of each position keeps unanimous relatively in the group battery when the heat dissipation to the life of group battery has been prolonged.

Description

Lithium battery pack with high cooling efficiency
Technical Field
The utility model relates to a lithium cell heat dissipation technical field, in particular to lithium cell group that cooling efficiency is high.
Background
Because of the more serious energy crisis and environmental pollution, the development direction of the automobile is changed, the full fuel oil is changed into the electric form, energy conservation is vigorously advocated in China, and the electric automobile is rapidly developed. However, the development of the lithium battery used by the electric automobile is restricted by the thermal management of the lithium battery, and the lithium battery can generate a large amount of heat in the charging and discharging processes, so that the temperature of the lithium battery rises, the lithium battery cannot work normally, the service life is shortened, and even explosion occurs, so that the rapid heat dissipation of the lithium battery is urgently needed at present; at present, the lithium battery device mainly adopts a mode of forced air convection heat transfer to dissipate heat, and due to the defects of low heat conductivity coefficient, small heat capacity and the like of air, the heat transfer coefficient is small, the heat dissipation efficiency is low, and the temperature consistency of the battery device is influenced by the non-uniform flow of the air in the battery device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lithium cell group that cooling efficiency is high can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a lithium cell group that cooling efficiency is high, includes the water storage box, water storage box lower extreme fixed mounting has a radiator unit, water storage box upper end middle part fixed mounting has a battery box, water storage box upper end left part is provided with a water filling port, axial fan of battery box upper end fixedly connected with, miniature suction pump of the anterior fixedly connected with of water storage box right-hand member, and the delivery pipe of the play water end fixedly connected with of miniature suction pump, the one end fixed connection that miniature suction pump was kept away from to the delivery pipe is anterior at the battery box right-hand member, a back flow of common fixedly connected with between battery box left end rear portion and the water storage box left end rear portion, be provided with a first group battery, a second group battery and a heat dissipation row in the battery box.
Preferably, a plurality of ventilation holes penetrating through the battery box from left to right are formed in the middle of the left end and the middle of the right end of the battery box, the axial flow fan is connected with the battery box through bolts, and the water storage box is filled with cooling liquid.
Preferably, the first battery pack and the second battery pack are parallel to each other, the left end of the heat dissipation row is fixedly connected with the rear portion of the left box wall of the inner cavity of the battery box, the right end of the heat dissipation row extends to the right side of the heat dissipation row through the rear end face of the first battery pack and then turns forwards, then the air passing through the space between the first battery pack and the second battery pack extends to the left side of the second battery pack on the left side of the first battery pack and then turns forwards again, and then the air passing through the front end face of the second battery pack is fixedly connected with the front portion of the right box wall of.
Preferably, the heat dissipation assembly comprises a heat dissipation base, a plurality of heat dissipation plates parallel to each other are fixedly mounted at the lower end of the heat dissipation base, the heat dissipation plates and the heat dissipation base are of an integral structure, the distance between every two adjacent heat dissipation plates is equal, and the upper end of the heat dissipation base is fixedly mounted at the lower end of the water storage tank to fixedly connect the heat dissipation assembly and the water storage tank together.
Preferably, the one end that miniature suction pump was kept away from to the conveyer pipe runs through battery box right side tank wall and arranges fixed connection with the heat dissipation and be in the same place, the heat dissipation is arranged the inner chamber right part and is provided with a vertical shunt tubes, and the shunt tubes communicates with each other with conveyer pipe inside, shunt tubes left end fixedly connected with three rather than the communicating condenser pipe in inside, the connected mode that the back flow was arranged with the heat dissipation is the same with the connected mode that the conveyer pipe was arranged with the heat dissipation.
Preferably, the axial flow fan and the miniature water pump are both electrically connected with a power supply assembly consisting of the first battery pack and the second battery pack, and are both controlled by the cab.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through being provided with the heat dissipation row, send into the condenser pipe in the heat dissipation row through the conveyer pipe after the coolant liquid extraction in with the water storage box by miniature suction pump to can dispel the heat to the group battery, keep the temperature of each position in the group battery unanimous relatively, and the condensate can be followed the back flow at last and get back to in the water storage box, thereby realize the used circulation of coolant liquid, when having good radiating effect, can also avoid the coolant liquid extravagant.
2. Through being provided with radiator unit, derive the heat of cooling liquid in the water storage box by the heat dissipation base, transmit to the heating panel on, heating panel and heat dissipation base structure as an organic whole, and the distance between two adjacent heating panels is equal to can improve the area of contact of heating panel and air greatly, improve the radiating effect.
3. Through being provided with axial fan, can form good air cycle with the air vent cooperation in battery box left end middle part and right-hand member middle part, the air flow accelerates, further improves the radiating effect.
Drawings
Fig. 1 is a schematic view of an overall structure of a lithium battery pack with high cooling efficiency according to the present invention;
fig. 2 is a schematic diagram of an overall structure of a heat dissipation bar of a lithium battery pack with high cooling efficiency according to the present invention;
fig. 3 is a schematic view of an overall structure of a heat dissipation assembly of a lithium battery pack with high cooling efficiency according to the present invention;
fig. 4 is a schematic diagram of the connection between the conveying pipe and the heat dissipation bar of the lithium battery pack with high cooling efficiency.
In the figure: 1. a battery box; 2. a water storage tank; 3. a heat dissipating component; 4. a micro water pump; 5. a delivery pipe; 6. a return pipe; 7. an axial flow fan; 8. heat dissipation is carried out; 9. a first battery pack; 10. a second battery pack; 11. a vent hole; 12. a water injection port; 13. a heat dissipation base; 14. a heat dissipation plate; 15. a shunt tube; 16. a condenser tube.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-4, a lithium battery pack with high cooling efficiency, including a water storage tank 2, a heat dissipation assembly 3 is fixedly mounted at the lower end of the water storage tank 2, a battery box 1 is fixedly mounted at the middle part of the upper end of the water storage tank 2, a water filling port 12 is arranged at the left part of the upper end of the water storage tank 2, an axial fan 7 is fixedly connected at the upper end of the battery box 1, a miniature water pump 4 is fixedly connected at the front part of the right end of the water storage tank 2, a delivery pipe 5 is fixedly connected at the front part of the water outlet end of the miniature water pump 4, one end of the delivery pipe 5 far away from the miniature water pump 4 is fixedly connected at the front part of the right end of the battery box 1, a return pipe 6 is fixedly connected between the rear part of the left end of the battery box 1 and the rear.
The middle part of the left end and the middle part of the right end of the battery box 1 are respectively provided with a plurality of ventilation holes 11 which are penetrated left and right and can form complete air circulation by matching with the axial flow fan 7, the axial flow fan 7 is connected with the battery box 1 by bolts so as to be convenient to detach or install, and the water storage box 2 is filled with cooling liquid; the first battery pack 9 and the second battery pack 10 are parallel to each other, the left end of the heat dissipation bar 8 is fixedly connected with the rear part of the left box wall of the inner cavity of the battery box 1, the right end of the heat dissipation bar 8 extends to the right side of the first battery pack 9 through the rear end surface of the first battery pack 9 and turns forwards, then the air passing through the space between the first battery pack 9 and the second battery pack 10 extends to the left side of the second battery pack 10 on the left side of the first battery pack 9 and turns forwards again, and then the air passing through the front end surface of the second battery pack 10 is fixedly connected with the front part of the right box wall of the inner cavity of the battery box 1, so that the heat dissipation bar 8 can be tightly attached to the first battery pack 9 and the second battery pack 10, the cooling liquid; the heat dissipation assembly 3 comprises a heat dissipation base 13, a plurality of heat dissipation plates 14 which are parallel to each other are fixedly mounted at the lower end of the heat dissipation base 13, the heat dissipation plates 14 and the heat dissipation base 13 are of an integral structure, the distances between every two adjacent heat dissipation plates 14 are equal, the upper end of the heat dissipation base 13 is fixedly mounted at the lower end of the water storage tank 2 to fixedly connect the heat dissipation assembly 3 and the water storage tank 2 together, and the contact area between the heat dissipation plates 14 and the air can be greatly increased by arranging the plurality of heat dissipation plates 14, so that the heat dissipation; one end of the delivery pipe 5, which is far away from the micro water pump 4, penetrates through the right box wall of the battery box 1 and is fixedly connected with the heat dissipation bar 8, a vertical shunt pipe 15 is arranged at the right part of the inner cavity of the heat dissipation bar 8, the shunt pipe 15 is communicated with the interior of the delivery pipe 5, three condensation pipes 16 communicated with the interior of the shunt pipe 15 are fixedly connected with the left end of the shunt pipe 15, the connection mode of the return pipe 6 and the heat dissipation bar 8 is the same as the connection mode of the delivery pipe 5 and the heat dissipation bar 8, the micro water pump 4 works to send the cooling liquid in the water storage box 2 to the heat dissipation bar 8 through the delivery pipe 5, and the cooling liquid returns to the water storage box 2 through the return pipe 6 after sequentially passing through the shunt pipe 15 and; the axial flow fan 7 and the miniature water pump 4 are electrically connected with a power supply assembly consisting of the first battery pack 9 and the second battery pack 10, the axial flow fan 7 and the miniature water pump 4 are controlled by a cab, and when the electric automobile is started, the axial flow fan 7 and the miniature water pump 4 can start to work.
It should be noted that, the present invention is a lithium battery pack with high cooling efficiency, when the electric vehicle is started, the axial fan 7 and the micro water pump 4 start to work, the micro water pump 4 sends the cooling liquid in the water storage tank 2 to the heat dissipation bar 8 through the delivery pipe 5, and after passing through the diversion pipe 15 and the three condensation pipes 16 in sequence, the cooling liquid returns to the water storage tank 2 through the return pipe 6, thereby forming a complete cooling liquid circulation, the heat dissipation bar 8 is tightly attached to the first battery pack 9 and the second battery pack 10, so that the cooling liquid is fully contacted with the first battery pack 9 and the second battery pack 10, thereby improving the heat dissipation effect, and ensuring that the temperatures of each part of the first battery pack 9 and the second battery pack 10 are relatively consistent, the middle part of the left end and the middle part of the battery box 1 are both provided with a plurality of air vents 11 penetrating from left to right, and the air vents 11 are matched with, flow with higher speed air to realize the cooling of dispelling the heat fast, through setting up a plurality of heating panel 14, can improve the area of contact of heating panel 14 and air greatly, can discharge through radiator unit 3 fast with the heat that the coolant liquid that returns from the back flow 6 brought back, guarantee that the coolant liquid temperature in the water storage box 2 is lower all the time, in order to guarantee to have better radiating effect.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a lithium cell group that cooling efficiency is high, includes water storage box (2), its characterized in that: the lower end of the water storage tank (2) is fixedly provided with a heat dissipation component (3), the middle part of the upper end of the water storage tank (2) is fixedly provided with a battery box (1), a water filling port (12) is arranged at the left part of the upper end of the water storage tank (2), an axial flow fan (7) is fixedly connected with the upper end of the battery box (1), the front part of the right end of the water storage tank (2) is fixedly connected with a micro water pump (4), the water outlet end of the micro water pump (4) is fixedly connected with a delivery pipe (5), one end of the delivery pipe (5) far away from the micro water pump (4) is fixedly connected with the front part of the right end of the battery box (1), a return pipe (6) is fixedly connected between the rear part of the left end of the battery box (1) and the rear part of the left end of the water storage box (2), a first battery pack (9), a second battery pack (10) and a heat dissipation bar (8) are arranged in the battery box (1).
2. The lithium battery pack with high cooling efficiency as claimed in claim 1, wherein: the battery box (1) left end middle part and right-hand member middle part all set up about a plurality of air vent (11) of break-over, axial fan (7) are bolted connection with the connected mode of battery box (1), water storage box (2) intussuseption is filled with the coolant liquid.
3. The lithium battery pack with high cooling efficiency as claimed in claim 1, wherein: first group battery (9) and second group battery (10) are parallel to each other, heat dissipation is arranged (8) left end and is in the same place with battery box (1) inner chamber left side tank wall rear portion fixed connection, heat dissipation is arranged (8) right-hand member and is extended to its right side backward preceding direction through first group battery (9) rear end face, then runs through the air between first group battery (9) and second group battery (10) and turns to forward again after extending to first group battery (9) left side second group battery (10) left side, then is in the same place with battery box (1) inner chamber right side tank wall front portion fixed connection behind second group battery (10) front end face.
4. The lithium battery pack with high cooling efficiency as claimed in claim 1, wherein: radiating component (3) are including heat dissipation base (13), heat dissipation base (13) lower extreme fixed mounting has a plurality of heating panel (14) that are parallel to each other, heating panel (14) and heat dissipation base (13) structure as an organic whole, and the distance between two adjacent heating panel (14) is equal all, heat dissipation base (13) upper end fixed mounting is in the same place radiating component (3) and water storage box (2) fixed connection at water storage box (2) lower extreme.
5. The lithium battery pack with high cooling efficiency as claimed in claim 1, wherein: the one end that miniature suction pump (4) were kept away from in conveyer pipe (5) runs through battery box (1) right side tank wall and arranges (8) fixed connection with the heat dissipation together, the heat dissipation is arranged (8) inner chamber right part and is provided with a vertical shunt tubes (15), and shunt tubes (15) communicate with each other with conveyer pipe (5) inside, shunt tubes (15) left end fixedly connected with three rather than inside communicating condenser pipe (16), the connected mode that back flow (6) arranged (8) with the heat dissipation is the same with the connected mode that conveyer pipe (5) arranged (8) with the heat dissipation.
6. The lithium battery pack with high cooling efficiency as claimed in claim 1, wherein: axial fan (7) and miniature suction pump (4) all with first group battery (9) and the power assembly electric connection that second group battery (10) are constituteed, and axial fan (7) and miniature suction pump (4) all pass through the driver's cabin control.
CN201922243469.9U 2019-12-13 2019-12-13 Lithium battery pack with high cooling efficiency Active CN210723291U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114188635A (en) * 2021-12-10 2022-03-15 傲普(上海)新能源有限公司 Lithium ion battery energy storage system based on Tesla valve heat dissipation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114188635A (en) * 2021-12-10 2022-03-15 傲普(上海)新能源有限公司 Lithium ion battery energy storage system based on Tesla valve heat dissipation

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