CN116505124A - Heat dissipation device and heat dissipation method for new energy automobile battery - Google Patents
Heat dissipation device and heat dissipation method for new energy automobile battery Download PDFInfo
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- CN116505124A CN116505124A CN202310394352.9A CN202310394352A CN116505124A CN 116505124 A CN116505124 A CN 116505124A CN 202310394352 A CN202310394352 A CN 202310394352A CN 116505124 A CN116505124 A CN 116505124A
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- exhaust pipe
- heat dissipation
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000110 cooling liquid Substances 0.000 claims abstract description 67
- 238000007789 sealing Methods 0.000 claims abstract description 64
- 239000007788 liquid Substances 0.000 claims description 28
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 19
- 238000010792 warming Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 17
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000002826 coolant Substances 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/231—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a heat dissipation device and a heat dissipation method of a new energy automobile battery, which belong to the technical field of automobiles and comprise a battery, wherein the outer surface of the battery is wrapped with a layer of first sealing shell, the outer part of the first sealing shell is wrapped with a layer of second sealing shell, and cooling liquid is filled between the second sealing shell and the first sealing shell; the heat dissipation mechanism is arranged at the upper end of the second sealing shell, and takes away heat of the battery through air flow generated during running of the automobile and conveys the heat into a cab of the automobile; the opening mechanism is arranged in the heat dissipation mechanism. The air flow generated during running of the automobile can be used for taking away heat in the exhaust pipe through the exhaust pipe, cooling of the battery is achieved, the driving sealing plate is driven to move into the exhaust pipe, hot air flow in the exhaust pipe is guided into the driving space of the automobile, heating of the driving space is achieved, consumption of electric energy is reduced to a certain extent, and accordingly driving mileage of the automobile is guaranteed.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a heat dissipation device and a heat dissipation method for a new energy automobile battery.
Background
The new energy automobile comprises a pure electric automobile, a range-extended electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile and the like. At present, most of domestic new energy automobiles take batteries as driving, so the performance of the batteries directly influences the performance of the automobiles, when some new energy automobiles with the batteries run at high speed, the batteries are required to continuously supply power to the motor with large current in order to ensure that the motor rotates at high speed, because the batteries are internally provided with resistors, the batteries continuously output large current, the temperature of the batteries can be quickly increased, the batteries can be damaged due to the increase of the temperature of the batteries, the outer shells of the batteries can be deformed due to the continuous high temperature, and the phenomenon of spontaneous combustion occurs in severe cases.
The applicant found that the new energy automobile battery has the following disadvantages:
1. in the prior art, air cooling and water cooling are generally used for radiating the battery, and a fan is generally used for accelerating the air flow around the battery so as to improve the radiating efficiency of the battery; the water cooling generally wraps the battery in the cooling liquid, and takes away the heat of the battery through the cooling liquid, but when the battery is continuously at high temperature, the simple air cooling and the water cooling have certain limitations, so that the heat dissipation effect on the battery is poor.
2. When the air conditioner is started, the battery is generally needed to supply power to the micro air conditioner in the vehicle, the micro air conditioner sends hot air to heat the driving space in the vehicle, the power consumption of the battery can be increased when the micro air conditioner is started, and meanwhile, the output current of the battery can be increased, so that the temperature of the battery is increased.
Therefore, a heat dissipation device and a heat dissipation method for a new energy automobile battery are provided.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to provide the heat dissipation device and the heat dissipation method for the battery of the new energy automobile, which can realize that the heat in the exhaust pipe is taken away by the air flow generated by the automobile during running through the exhaust pipe, realize the cooling of the battery, and then drive the sealing plate to move into the exhaust pipe, and the hot air flow in the exhaust pipe is guided into the driving space of the automobile, so as to realize the heating in the driving space, reduce the consumption of electric energy to a certain extent, thereby ensuring the driving mileage of the automobile.
In order to solve the problems, the invention adopts the following technical scheme.
The heat dissipation device of the new energy automobile battery comprises a battery, wherein a layer of first sealing shell is wrapped on the outer surface of the battery, a layer of second sealing shell is wrapped on the outer part of the first sealing shell, and cooling liquid is filled between the second sealing shell and the first sealing shell;
the heat dissipation mechanism is arranged at the upper end of the second sealing shell, and takes away heat of the battery through air flow generated during running of the automobile and conveys the heat into a cab of the automobile;
the opening mechanism is arranged in the heat dissipation mechanism and is used for opening and closing the heat dissipation mechanism.
Further, the left end side fixedly connected with air inlet cover of second seal shell, the left side fixedly connected with filter screen of second seal shell, the upper end fixedly connected with exhaust pipe of second seal shell, the left end and the air inlet cover intercommunication of exhaust pipe, the upper surface of exhaust pipe is close to the position fixedly connected with guide duct of right-hand member, and the inside intercommunication with exhaust pipe of guide duct, the inside of exhaust pipe is close to right-hand member position and slides and be provided with the closing plate, the both ends all fixedly connected with thread bush about the closing plate, the one end of thread bush runs through the exhaust pipe and extends to outside, the inner wall screw drive of thread bush is connected with the lead screw, the lower extreme fixedly connected with micro motor of lead screw, micro motor's side surface and second seal shell fixed connection.
Further, fixedly connected with honeycomb duct between second seal shell and the first seal shell, the inside of exhaust pipe is close to left end position and is provided with the flabellum, the lower extreme fixedly connected with pivot of flabellum, the lower extreme of pivot runs through exhaust pipe, second seal shell in proper order and extends to the inside of honeycomb duct, the lower extreme fixedly connected with paddle of pivot.
Further, the front side and the back side of the first sealing shell are close to edge positions and are fixedly connected with coamings, the front side and the back side of the first sealing shell are all connected with transverse plates in a staggered mode, the left side face of the coamings is close to the lower end position and is provided with a liquid inlet, and the upper end of the coamings is close to the left side position and is provided with a liquid outlet.
Further, the left side face of the first sealing shell is fixedly connected with guide blocks which are arranged in a staggered mode, and the side surfaces of the guide blocks are in streamline design.
Further, the inside of exhaust pipe is close to left end position and slides and be provided with the choke plate, the upper end fixedly connected with horizontal bar of choke plate, both ends all fixedly connected with memory alloy spring about the lower surface of horizontal bar, memory alloy spring's lower extreme fixedly connected with heat conduction piece, the side surface of heat conduction piece and the side surface fixed connection of second seal shell.
Further, the side surface of filter screen is provided with evenly distributed's bar brush, the both ends fixedly connected with connecting rod of bar brush, a set of fixedly connected with second spring of bar brush lower extreme, the lower extreme fixedly connected with supporting seat of second spring, the one end of supporting seat and the bottom fixed connection of air inlet cover.
Further, the left end fixedly connected with barrel casing of second seal shell, the inside sliding connection of barrel casing has the floating block, the left end of floating block is provided with first spring, the left end of first spring and the inner wall fixed connection of barrel casing.
Further, a first conductive block is fixedly connected between the first spring and the floating block, and second conductive blocks are fixedly connected to the upper end and the lower end of the cylinder cover.
The invention also provides a heat dissipation method suitable for the new energy automobile battery, which comprises the following steps:
s1: and (3) automatic opening: memory alloy spring absorbs heat when the battery heats to extend and open the cooling mechanism simultaneously, memory alloy spring is cooled down afterwards after the battery is cooled down, and shrink and close the cooling mechanism simultaneously:
s2: heat dissipation and warming up: the heat in the exhaust pipe is taken away through the exhaust pipe by the air flow generated by the automobile during running, the battery is cooled, the sealing plate is driven to move from the inside of the air guide pipe to the inside of the exhaust pipe, the hot air flow in the exhaust pipe enters the air guide pipe, and the air guide pipe is connected into the automobile driving space through a pipeline, so that the driving space is heated;
s3: improving heat dissipation: the air flow can drive the fan blades to rotate when flowing from the exhaust pipe, the fan blades can drive the blades to rotate when rotating, the blades can drive the cooling liquid in the flow guide pipe to move from the left end to the right end when rotating, and finally the cooling liquid is discharged from the opening at the lower part of the flow guide pipe, so that the rapid flow of the cooling liquid in the second sealing shell is driven, and the problem of local heat dissipation of the cooling liquid is solved;
s4: and (3) further heat dissipation: when the coolant liquid of leakage fluid dram upper end flows fast in the honeycomb duct, the coolant liquid pressure in the bounding wall is higher than the pressure in the honeycomb duct, and coolant liquid in the bounding wall can enter into the honeycomb duct from the leakage fluid dram, and coolant liquid can be supplied in to the bounding wall from inlet, and the coolant liquid of supplying flows along the passageway that the diaphragm formed, guarantees the even flow in the guide duct of coolant liquid in the bounding wall to avoid the coolant liquid to appear radiating inhomogeneous problem, accelerate the radiating efficiency to the coolant liquid.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the scheme, heat in the exhaust pipe is taken away through the exhaust pipe by air flow generated when the automobile is driven, the battery is cooled, the driving sealing plate is driven to move into the exhaust pipe, hot air flow in the exhaust pipe is guided into the driving space of the automobile, the driving space is heated, the consumption of electric energy is reduced to a certain extent, and therefore the driving mileage of the automobile is guaranteed.
(2) This scheme can drive the paddle and rotate when the air current flows in the exhaust pipe, and the paddle can drive the coolant liquid in the second seal shell and flow fast when rotating, solves coolant liquid local radiating problem, through evenly radiating the coolant liquid to accelerate the radiating rate to the battery, and then guarantee the continuous discharge of battery.
(3) According to the scheme, the flow speed difference is utilized, so that the cooling liquid in the coaming flows along the channel formed by the transverse plate and enters the flow guide pipe from the liquid outlet, the problem of uneven heat dissipation of the cooling liquid is avoided, the heat dissipation efficiency of the cooling liquid is quickened, the heat dissipation efficiency of a battery is improved, and the high-current output of the battery is guaranteed.
(4) This scheme is memory alloy spring heat absorption when the battery generates heat to extend and open the cooling mechanism simultaneously, memory alloy spring is followed the cooling after the battery cooling, and contracts and closes the cooling mechanism simultaneously, realizes opening and closing of automation to the cooling mechanism.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a side perspective view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of the overall structure of the present invention;
FIG. 4 is a perspective view of the seal plate and connecting member of the present invention;
FIG. 5 is a perspective view of a first containment vessel exterior surface connection of the present invention;
FIG. 6 is a cross-sectional view of a shroud and draft tube of the present invention;
FIG. 7 is a perspective view of a rail and connector of the present invention;
fig. 8 is an enlarged view of point a of fig. 3 in accordance with the present invention.
The reference numerals in the figures illustrate:
1. a battery; 2. a first seal housing; 3. a second seal case; 4. an air inlet cover; 5. a filter screen; 6. an exhaust pipe; 7. an air guide pipe; 8. a sealing plate; 9. a thread sleeve; 10. a screw rod; 11. a micro motor; 12. a flow guiding pipe; 13. a fan blade; 14. a rotating shaft; 15. a paddle; 16. coaming plate; 17. a cross plate; 18. a liquid inlet; 19. a liquid outlet; 20. a heat conduction block; 21. a memory alloy spring; 22. a cross bar; 23. a choke plate; 24. a barrel cover; 25. a slider; 26. a first spring; 27. a first conductive block; 28. a second conductive block; 29. a flow guiding block; 30. a strip-shaped brush; 31. a connecting rod; 32. a second spring; 33. and a supporting seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Example 1:
referring to fig. 1 to 3, a heat dissipating device of a battery of a new energy automobile includes a battery 1, the battery 1 is installed at a lower position of the automobile, a layer of first sealing shell 2 is wrapped on an outer surface of the battery 1, a layer of second sealing shell 3 is wrapped on an outer surface of the first sealing shell 2, the first sealing shell 2 and the second sealing shell 3 are both made of heat conducting metal materials, cooling liquid is filled between the second sealing shell 3 and the first sealing shell 2, heat of the battery 1 can be quickly transferred to the first sealing shell 2 when the battery generates heat, and the cooling liquid can quickly absorb the heat of the first sealing shell 2, so that heat dissipation of the battery 1 is accelerated;
the heat dissipation mechanism is arranged at the upper end of the second sealing shell 3, takes away heat of the battery 1 through air flow generated during running of the automobile, and transmits the heat into an automobile cab to provide heat for the space in which the automobile is driven;
the opening mechanism is arranged in the heat dissipation mechanism and is used for opening and closing the heat dissipation mechanism.
As shown in fig. 1 to 4, the left end side surface of the second sealing shell 3 is fixedly connected with an air inlet cover 4, when the automobile runs, the air flow can pass through the grid of the front face of the automobile and enter the air inlet cover 4, the left side of the second sealing shell 3 is fixedly connected with a filter screen 5, before the air flow enters the air inlet cover 4, the filter screen 5 can filter dust and impurities in the air flow, clean air is guaranteed to enter the air inlet cover 4, the upper end of the second sealing shell 3 is fixedly connected with an exhaust pipe 6, the left end of the exhaust pipe 6 is communicated with the air inlet cover 4, air in the air inlet cover 4 can enter the exhaust pipe 6, finally, the air is discharged from the right end tail of the exhaust pipe 6, the exhaust pipe 6 is made of a heat conducting metal material, after the cooling liquid is heated, the heat of the second sealing shell 3 is transferred to the second sealing shell 3, the second sealing shell 3 is in contact with the exhaust pipe 6, the heat of the second sealing shell 3 can also be quickly transferred to the exhaust pipe 6, the air flow flowing in the exhaust pipe 6 can take away the heat of the exhaust pipe 6, and the cooling of the second sealing shell 3 is achieved, and the cooling of the battery 1 is also achieved.
The upper surface of exhaust pipe 6 is close to the position fixedly connected with guide duct 7 of right-hand member, and guide duct 7 inside and exhaust pipe 6 inside intercommunication, the inside of exhaust pipe 6 is close to right-hand member position and slides and be provided with closing plate 8, the equal fixedly connected with thread bush 9 of both ends about closing plate 8, the one end of thread bush 9 runs through exhaust pipe 6 and extends to outside, the inner wall screw transmission of thread bush 9 is connected with lead screw 10, the lower extreme fixedly connected with micro motor 11 of lead screw 10, the side surface and the second seal shell 3 fixed connection of micro motor 11, the hot-blast need be opened in the driving space in the cold weather, start two sets of micro motors 11 at this moment, two sets of micro motors 11 drive lead screw 10 in step by step and rotate, lead screw 10 can drive thread bush 9 and reciprocate in the time, thread bush 9 moves in step when reciprocate, through driving micro motor 11 to seal plate 8 from the inside of guide duct 7 to the inside of exhaust pipe 6, the afterbody discharge of air current from pipe 6, the air current that adds heat hinders can get into guide duct 7, the driving space in the time, the electric energy consumption is reduced to the driving space, thereby realize the driving space, the mileage is reduced, and the driving space is guaranteed, the driving is carried out to the electric energy consumption in the car.
As shown in fig. 2, a flow guide pipe 12 is fixedly connected between the second sealing shell 3 and the first sealing shell 2, a fan blade 13 is arranged in the exhaust pipe 6 near the left end, air flows from the exhaust pipe 6 and drives the fan blade 13 to rotate, a rotating shaft 14 is fixedly connected to the lower end of the fan blade 13, the fan blade 13 drives the rotating shaft 14 to rotate when rotating, the lower end of the rotating shaft 14 sequentially penetrates through the exhaust pipe 6, the second sealing shell 3 and extends to the inside of the flow guide pipe 12, a paddle 15 is fixedly connected to the lower end of the rotating shaft 14, the paddle 15 is driven to rotate when rotating by the rotating shaft 14, cooling liquid in the flow guide pipe 12 is driven to move from the left end to the right end when rotating by the paddle 15, and finally, the cooling liquid is discharged from the opening below the flow guide pipe 12, so that the cooling liquid in the second sealing shell 3 is driven to flow rapidly, the problem of local heat dissipation of the cooling liquid is solved, the heat dissipation of the cooling liquid is uniform, the heat dissipation of the cooling liquid is accelerated, and the continuous discharge of the battery 1 is ensured.
As shown in fig. 5 and 6, the cooling liquid on the front and rear sides of the first sealing shell 2 is not in the flow guide pipe 12, so that the mobility of the cooling liquid on the front and rear sides is poor, and further the cooling liquid on the front and rear sides is poor, the surrounding plate 16 is fixedly connected to the front and rear sides of the first sealing shell 2 near the edge, the liquid drain 19 is arranged on the upper end of the surrounding plate 16 near the left side, the cooling liquid on the upper end of the liquid drain 19 rapidly flows in the flow guide pipe 12, the flow velocity is high according to the bernoulli principle, the pressure is small, the cooling liquid pressure in the surrounding plate 16 is higher than the pressure in the flow guide pipe 12, the cooling liquid with high pressure flows to the cooling liquid with low pressure, so that the cooling liquid in the surrounding plate 16 can enter the flow guide pipe 12 from the liquid drain 19, and in order to timely supplement the cooling liquid in the surrounding plate 16, the left side of the surrounding plate 16 is provided with the liquid inlet 18 near the lower end, the cooling liquid can be supplemented into the surrounding plate 16, the front and rear side of the first sealing shell 2 is respectively and the cross plates 17 are connected with the cross plates 1 along the flow guide pipe 12, the cooling liquid is also prevented from flowing uniformly, the cooling liquid 1 in the flow guide pipe is prevented from flowing uniformly, and the cooling liquid cooling efficiency is prevented from flowing in the flow guide pipe 1 is increased, and the battery is cooled down.
As shown in fig. 3 and fig. 5, the left side surface of the first sealing shell 2 is fixedly connected with guide blocks 29 which are staggered, the cooling liquid discharged from the lower port of the guide pipe 12 can move towards and impact the guide blocks 29, the cooling liquid can flow upwards through the diversion of the guide blocks 29, and then is converged after being diverted, the convection between the cooling liquid is fast achieved by the method, the problem of local overheating of the cooling liquid is avoided, the side surface of the guide blocks 29 is in a streamline design, the obstruction of the guide blocks 29 to the cooling liquid can be greatly slowed down, and the cooling liquid can flow upwards conveniently.
As shown in fig. 1 and 7, when the external temperature is low, the temperature inside the battery 1 is low, the low temperature can affect the discharge efficiency of the battery 1, if the heat dissipation mechanism is started to seriously affect the battery 1 to the working temperature, and further affect the working of the battery 1, the invention is provided with the air blocking plate 23 in the position close to the left end inside the exhaust pipe 6 in a sliding way, when the temperature of the battery 1 is low, the air can be blocked from entering the exhaust pipe 6, the opening of the heat dissipation mechanism is avoided, the upper end of the air blocking plate 23 is fixedly connected with the transverse bar 22, the left end and the right end of the lower surface of the transverse bar 22 are fixedly connected with the memory alloy spring 21, the lower end of the memory alloy spring 21 is fixedly connected with the heat conducting block 20, the side surface of the heat conducting block 20 is fixedly connected with the side surface of the second sealing shell 3, when the temperature of the battery 1 is increased due to continuous discharge, heat is required to be dissipated, the temperature of the battery 1 is transferred to the heat conducting block 20, the heat conducting block 20 heats the memory alloy spring 21, the memory alloy spring 21 is heated to stretch to push the transverse bar 22 to rise, the transverse bar 22 can drive the air blocking plate 23 to move upwards to open a channel in the exhaust pipe 6 finally when rising, a heat dissipating mechanism is opened, the temperature of the heat conducting block 20 is reduced when the temperature of the battery 1 is reduced, meanwhile, the temperature of the memory alloy spring 21 is reduced, the memory alloy spring 21 contracts to drive the transverse bar 22 to descend, and finally the air blocking plate 23 enters the exhaust pipe 6, so that a heat dissipating mechanism is closed.
As shown in fig. 1, the side surface of the filter screen 5 is provided with uniformly distributed strip-shaped brushes 30, the strip-shaped brushes 30 are used for cleaning the filter screen 5, the two ends of the strip-shaped brushes 30 are fixedly connected with connecting rods 31, the connecting rods 31 are in sliding connection with the side edges of the air inlet cover 4, the lowest ends of the strip-shaped brushes 30 are fixedly connected with second springs 32, an automobile can shake up and down when running on an uneven road surface, the second springs 32 can be driven to shake in the shaking process, the second springs 32 can drive the strip-shaped brushes 30 and the connecting rods 31 to shake up and down together when shaking, the strip-shaped brushes 30 can clean dust on the surface of the filter screen 5 when shaking up and down, the filter screen 5 is prevented from being blocked, accordingly the ventilation effect of the filter screen 5 is guaranteed, the lower ends of the second springs 32 are fixedly connected with supporting seats 33, and one ends of the supporting seats 33 are fixedly connected with the bottom of the air inlet cover 4.
As shown in fig. 8, when the temperature of the battery 1 increases, the temperature of the cooling liquid will rise, according to the principle of thermal expansion and contraction, the air pressure in the second sealed shell 3 will rise, the cylinder cover 24 is fixedly connected to the left end of the second sealed shell 3, the floating block 25 is slidably connected to the inside of the cylinder cover 24, the air pressure in the second sealed shell 3 will rise and then push the floating block 25 to move towards the inside of the cylinder cover 24, so as to realize pressure relief, the problem that the second sealed shell 3 is expanded due to overhigh pressure in the second sealed shell 3 is avoided, the left end of the floating block 25 is provided with the first spring 26, when the floating block 25 moves towards the inside of the cylinder cover 24, the floating block 25 will squeeze the first spring 26, after the temperature of the cooling liquid decreases, the pressure in the second sealed shell 3 falls back, the first spring 26 pushes the floating block 25 to move reversely, so that the pressure in the second sealed shell 3 remains balanced, and the left end of the first spring 26 is fixedly connected with the inner wall of the cylinder cover 24.
As shown in fig. 8, a first conductive block 27 is fixedly connected between a first spring 26 and a floating block 25, a second conductive block 28 is fixedly connected to the upper end and the lower end of a barrel cover 24, the second conductive block 28 is electrically connected with a controller in an automobile, when a heat dissipation mechanism fails, the temperature of a battery 1 is continuously increased, the temperature of cooling liquid is also increased along with the increase, the air pressure in a second sealed shell 3 is continuously increased, the floating block 25 moves farther towards the barrel cover 24, finally the first conductive block 27 is contacted with the second conductive block 28, two groups of second conductive blocks 28 are closed, the controller sends out an alarm after receiving a signal, the driver is reminded that the temperature of the battery 1 is too high, and the battery 1 needs to run at a low speed, so that the continuous high-current output of the battery 1 is avoided.
The invention also provides a heat dissipation method suitable for the new energy automobile battery, which comprises the following steps:
s1: and (3) automatic opening: when the battery 1 heats, the memory alloy spring 21 absorbs heat, and extends to open the heat dissipation mechanism simultaneously, and after the battery 1 cools down, the memory alloy spring 21 cools down, and contracts to close the heat dissipation mechanism simultaneously:
s2: heat dissipation and warming up: the heat in the exhaust pipe 6 is taken away by the air flow generated by the automobile during running through the exhaust pipe 6, so that the battery 1 is cooled, the sealing plate 8 is driven to move from the inside of the air guide pipe 7 to the inside of the exhaust pipe 6, hot air in the exhaust pipe 6 enters the air guide pipe 7, and the air guide pipe 7 is connected into an automobile driving space through a pipeline so as to heat the driving space;
s3: improving heat dissipation: when the air flow flows from the exhaust pipe 6, the fan blades 13 are driven to rotate, when the fan blades 13 rotate, the fan blades 15 are driven to rotate, when the fan blades 15 rotate, the cooling liquid in the guide pipe 12 is driven to move from the left end to the right end, and finally the cooling liquid is discharged from the opening below the guide pipe 12, so that the rapid flow of the cooling liquid in the second sealing shell 3 is driven, and the problem of local heat dissipation of the cooling liquid is solved;
s4: and (3) further heat dissipation: when the cooling liquid at the upper end of the liquid outlet 19 flows rapidly in the guide pipe 12, the pressure of the cooling liquid in the coaming 16 is higher than the pressure in the guide pipe 12, the cooling liquid in the coaming 16 can enter the guide pipe 12 from the liquid outlet 19, the cooling liquid can be supplemented into the coaming 16 from the liquid inlet 18, the supplemented cooling liquid flows along a channel formed by the transverse plate 17, the cooling liquid in the coaming 16 is ensured to flow uniformly in the guide pipe 12, the problem of nonuniform heat dissipation of the cooling liquid is avoided, and the heat dissipation efficiency of the cooling liquid is accelerated.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a heat abstractor of new energy automobile battery, includes battery (1), its characterized in that: the outer surface of the battery (1) is wrapped with a layer of first sealing shell (2), the outer part of the first sealing shell (2) is wrapped with a layer of second sealing shell (3), and cooling liquid is filled between the second sealing shell (3) and the first sealing shell (2);
the heat dissipation mechanism is arranged at the upper end of the second sealing shell (3), and takes away heat of the battery (1) through airflow generated during running of the automobile and conveys the heat into a cab of the automobile;
the opening mechanism is arranged in the heat dissipation mechanism and is used for opening and closing the heat dissipation mechanism.
2. The heat dissipating device for a battery of a new energy vehicle of claim 1, wherein: the utility model discloses a miniature motor, including sealed shell (3) of second, left end side fixedly connected with air inlet cover (4) of second sealed shell (3), left side fixedly connected with filter screen (5) of second sealed shell (3), the upper end fixedly connected with exhaust pipe (6) of second sealed shell (3), the left end and the air inlet cover (4) intercommunication of exhaust pipe (6), the upper surface of exhaust pipe (6) is close to right-hand member position fixedly connected with guide duct (7), and inside and the exhaust pipe (6) inside intercommunication of guide duct (7), the inside of exhaust pipe (6) is close to right-hand member position and slides and be provided with closing plate (8), both ends all fixedly connected with thread bush (9) about closing plate (8), the one end of thread bush (9) runs through exhaust pipe (6) and extends to outside, the inner wall screw drive of thread bush (9) is connected with lead screw (10), the lower extreme fixedly connected with miniature motor (11) of lead screw (10), the side surface and second sealed shell (3) of miniature motor (11).
3. The heat dissipating device for a battery of a new energy vehicle of claim 2, wherein: a flow guide pipe (12) is fixedly connected between the second sealing shell (3) and the first sealing shell (2), a fan blade (13) is arranged in the exhaust pipe (6) near the left end, the lower end of the fan blade (13) is connected with a rotating shaft (14), the lower extreme of pivot (14) runs through exhaust pipe (6), second seal shell (3) in proper order and extends to the inside of honeycomb duct (12), the lower extreme fixedly connected with paddle (15) of pivot (14).
4. A heat sink for a battery of a new energy automobile according to claim 3, wherein: the novel sealing device is characterized in that coaming plates (16) are fixedly connected to the front side and the rear side of the first sealing shell (2) close to the edge positions, transverse plates (17) are connected to the front side and the rear side of the first sealing shell (2) in a staggered mode, liquid inlets (18) are formed in the left side face of the coaming plates (16) close to the lower end position, and liquid outlets (19) are formed in the upper end of the coaming plates (16) close to the left side position.
5. The heat dissipating double-fuselage of a new energy automobile battery of claim 4, wherein: the left side face of the first sealing shell (2) is fixedly connected with guide blocks (29) which are arranged in a staggered mode, and the side surfaces of the guide blocks (29) are in streamline design.
6. The heat dissipating device for a battery of a new energy vehicle of claim 1, wherein: the inside of exhaust pipe (6) is close to left end position and slides and be provided with choke plate (23), the upper end fixedly connected with horizontal bar (22) of choke plate (23), both ends all fixedly connected with memory alloy spring (21) about the lower surface of horizontal bar (22), the lower extreme fixedly connected with heat conduction piece (20) of memory alloy spring (21), the side surface of heat conduction piece (20) and the side surface fixed connection of second seal shell (3).
7. The heat dissipating device for a battery of a new energy vehicle of claim 1, wherein: the side surface of filter screen (5) is provided with evenly distributed's bar brush (30), the both ends fixedly connected with connecting rod (31) of bar brush (30), a set of fixedly connected with second spring (32) of bar brush (30) lower extreme, the lower extreme fixedly connected with supporting seat (33) of second spring (32), the one end of supporting seat (33) and the bottom fixed connection of air inlet cover (4).
8. The heat dissipating double-fuselage of a new energy automobile battery of claim 7, wherein: the left end fixedly connected with barrel casing (24) of second seal shell (3), the inside sliding connection of barrel casing (24) has slider (25), the left end of slider (25) is provided with first spring (26), the left end of first spring (26) and the inner wall fixed connection of barrel casing (24).
9. The heat dissipating double-fuselage of a new energy automobile battery of claim 8, wherein: a first conductive block (27) is fixedly connected between the first spring (26) and the floating block (25), and second conductive blocks (28) are fixedly connected to the upper end and the lower end of the cylinder cover (24).
10. A heat dissipation method suitable for a new energy automobile battery as defined in any one of claims 1-9, characterized in that: the method comprises the following steps:
s1: and (3) automatic opening: when the battery 1 heats, the memory alloy spring 21 absorbs heat, and extends to open the heat dissipation mechanism simultaneously, and after the battery 1 cools down, the memory alloy spring 21 cools down, and contracts to close the heat dissipation mechanism simultaneously:
s2: heat dissipation and warming up: the heat in the exhaust pipe 6 is taken away by the air flow generated by the automobile during running through the exhaust pipe 6, so that the battery 1 is cooled, the sealing plate 8 is driven to move from the inside of the air guide pipe 7 to the inside of the exhaust pipe 6, hot air in the exhaust pipe 6 enters the air guide pipe 7, and the air guide pipe 7 is connected into an automobile driving space through a pipeline so as to heat the driving space;
s3: improving heat dissipation: when the air flow flows from the exhaust pipe 6, the fan blades 13 are driven to rotate, when the fan blades 13 rotate, the fan blades 15 are driven to rotate, when the fan blades 15 rotate, the cooling liquid in the guide pipe 12 is driven to move from the left end to the right end, and finally the cooling liquid is discharged from the opening below the guide pipe 12, so that the rapid flow of the cooling liquid in the second sealing shell 3 is driven, and the problem of local heat dissipation of the cooling liquid is solved;
s4: and (3) further heat dissipation: when the cooling liquid at the upper end of the liquid outlet 19 flows rapidly in the guide pipe 12, the pressure of the cooling liquid in the coaming 16 is higher than the pressure in the guide pipe 12, the cooling liquid in the coaming 16 can enter the guide pipe 12 from the liquid outlet 19, the cooling liquid can be supplemented into the coaming 16 from the liquid inlet 18, the supplemented cooling liquid flows along a channel formed by the transverse plate 17, the cooling liquid in the coaming 16 is ensured to flow uniformly in the guide pipe 12, the problem of nonuniform heat dissipation of the cooling liquid is avoided, and the heat dissipation efficiency of the cooling liquid is accelerated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310394352.9A CN116505124A (en) | 2023-04-13 | 2023-04-13 | Heat dissipation device and heat dissipation method for new energy automobile battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310394352.9A CN116505124A (en) | 2023-04-13 | 2023-04-13 | Heat dissipation device and heat dissipation method for new energy automobile battery |
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| Publication Number | Publication Date |
|---|---|
| CN116505124A true CN116505124A (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310394352.9A Withdrawn CN116505124A (en) | 2023-04-13 | 2023-04-13 | Heat dissipation device and heat dissipation method for new energy automobile battery |
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| CN (1) | CN116505124A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117543132A (en) * | 2024-01-10 | 2024-02-09 | 青岛宜博铜业集团有限公司 | CCS assembly and battery pack |
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2023
- 2023-04-13 CN CN202310394352.9A patent/CN116505124A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117543132A (en) * | 2024-01-10 | 2024-02-09 | 青岛宜博铜业集团有限公司 | CCS assembly and battery pack |
| CN117543132B (en) * | 2024-01-10 | 2024-04-26 | 青岛宜博铜业集团有限公司 | CCS assembly and battery pack |
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Application publication date: 20230728 |