CN114069100A - Heat conduction structure for lithium battery heat management and method thereof - Google Patents
Heat conduction structure for lithium battery heat management and method thereof Download PDFInfo
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- CN114069100A CN114069100A CN202111400761.2A CN202111400761A CN114069100A CN 114069100 A CN114069100 A CN 114069100A CN 202111400761 A CN202111400761 A CN 202111400761A CN 114069100 A CN114069100 A CN 114069100A
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- heat
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 141
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 139
- 238000000034 method Methods 0.000 title claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 claims abstract description 30
- 239000010949 copper Substances 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 23
- 210000004027 cell Anatomy 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- 210000005056 cell body Anatomy 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 7
- 239000004065 semiconductor Substances 0.000 description 6
- 239000012782 phase change material Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a heat conduction structure for lithium battery thermal management and a method thereof, and the heat conduction structure comprises a lithium battery body and a lithium battery shell, wherein the outer surface of the lithium battery body is wrapped by a fixing component, a heat conduction mechanism and a push-pull operation unit are arranged inside the lithium battery shell, the heat conduction mechanism comprises an air cooling unit and a heat conduction copper block, and one side of the heat conduction copper block is tightly contacted with the surface of the lithium battery body. According to the heat conduction structure and the method for the lithium battery heat management, the heat conduction operation that the air cooling and the conductor material are combined is realized by the heat conduction copper block, the fins and the air cooling unit through the heat conduction mechanism and the battery installation unit, the efficiency of the lithium battery heat conduction can be improved, the contact between the heat conduction copper block and the lithium battery can be effectively improved, and the problem that the heat conduction is affected by the deviation of the heat conduction copper block and the lithium battery due to shaking is avoided.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a heat conduction structure for lithium battery heat management and a method thereof.
Background
The heat management of the conventional power lithium battery system can be divided into four important categories, namely natural cooling, air cooling, liquid cooling and phase-change material cooling, wherein the natural cooling rate is low, when the air cooling has more heat for the lithium battery, the heat dissipation is not complete enough, the energy consumption required by the liquid cooling is expensive, the temperature which can be cooled by the phase-change material cooling is maintained at 25-40 ℃, and when the temperature is too low, the effect cannot be achieved.
Referring to chinese patents, the patent names are: a square lithium battery pack heat management structure and a method thereof (patent publication No. CN111244571A, patent publication No. 2020.06.05) mainly comprise a square lithium battery, a semiconductor refrigerating sheet and a phase-change material, wherein two side surfaces of the square lithium battery are contacted with the semiconductor refrigerating sheet, one surface of the semiconductor refrigerating sheet is tightly attached to the other surface of the square lithium battery, the two side surfaces of the phase-change material are contacted with the semiconductor refrigerating sheet, the semiconductor refrigerating sheet is electrified to work if further cooling requirements exist by utilizing the phase-change material for refrigerating the battery side, the highest temperature of the battery can be further reduced, the heat dissipation function of the battery pack can be realized even when the environmental temperature is higher, the semiconductor refrigerating sheet is electrified with reverse current to heat the battery side when the temperature is lower than zero, the efficiency and the low energy consumption are realized, and the heating function of the battery pack is realized.
Therefore, the invention provides a cooling mode combining wind cooling and conductor material, but the following problems still exist:
1. the conductor needs to be in close contact with the lithium battery body in the process of conducting heat, the existing method is directly fixed, however, once the lithium battery needs to be maintained or replaced, the operation is troublesome in the later period, and meanwhile, if the conductor is not fixed, the conductor and the lithium battery are easy to deviate due to jolt;
2. when the lithium battery is used, only a single lithium battery unit is damaged, and the whole replacement easily causes resource waste.
The invention provides a heat conduction structure for lithium battery heat management and a method thereof.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a heat conduction structure for lithium battery heat management and a method thereof, which solve the problems of low heat conduction efficiency in the heat management of a lithium battery, and the problem that the conductor and the lithium battery are offset due to bumping easily in a cooling mode of combining air cooling and conductor materials, but the heat conduction structure is directly fixed and is inconvenient for subsequent maintenance operation.
In order to achieve the purpose, the invention is realized by the following technical scheme: a heat conduction structure for lithium battery thermal management comprises a lithium battery body and a lithium battery shell, wherein the outer surface of the lithium battery body is wrapped by a fixing assembly, a heat conduction mechanism and a push-pull operation unit are arranged inside the lithium battery shell, the heat conduction mechanism comprises an air cooling unit and a heat conduction copper block, one side of the heat conduction copper block is tightly contacted with the surface of the lithium battery body, one side of the heat conduction copper block is adhered with a fin through an adhesive, a supporting plate is fixedly connected with the tops of the heat conduction copper block and the fin, the supporting plate and the fixing assembly are fixed through a battery installation unit, adjacent lithium battery units of the lithium battery body are separated through heat conduction silica gel, heat conduction holes are formed in the surface of the heat conduction silica gel, the battery installation unit comprises a fixing plate and mutually symmetrical pull plates, and telescopic springs are fixedly connected between the opposite sides of the two pull plates, the improved structure of the sliding plate comprises a fixed plate, a sliding groove, a supporting plate, a pulling plate, a sliding plate, a supporting plate, a reset spring, a sliding plate and a sliding plate, wherein the surface of the fixed plate is provided with a first extending groove, the inner surface of the first extending groove is provided with a sliding groove, the top of the supporting plate is provided with a second extending groove, the inner surface of the second extending groove is provided with a mounting groove, the bottom of the pulling plate is fixedly connected with a mounting plate, the mounting plate is connected with the mounting groove in a sliding mode, one side of the pulling plate is fixedly connected with a supporting rod, the surface of the supporting rod is fixedly connected with the reset spring, one end of the reset spring is fixedly connected with the sliding plate, and the outer surface of the sliding plate is connected with the inner surface of the sliding groove in a sliding mode.
Preferably, including driving motor and support pivot in the air-cooled unit, one side of driving motor and support pivot all is connected through the internal surface fixed connection of cross support with lithium battery case, the louvre has been seted up on lithium battery case's surface, shaft coupling fixedly connected with drive pivot is passed through to the one end of driving motor output shaft, the surface of drive pivot and support pivot is passed through the transmission assembly transmission and is connected, the equal fixedly connected with heat conduction fan of one end of drive pivot and support pivot, and heat conduction fan extends to the inside of louvre.
Preferably, the transmission assembly comprises a driving wheel and a transmission wheel, the driving wheel is fixedly arranged on the outer surface of the driving rotating shaft, the transmission wheel is fixedly arranged on the outer surface of the supporting rotating shaft, and the driving wheel and the outer surface of the transmission wheel are in transmission connection through a transmission belt.
Preferably, the fixing assembly comprises an upper outer frame and a lower outer frame, one side of the upper outer frame is fixedly connected with one side of the fixing plate, the inner surfaces of the upper outer frame and the lower outer frame are in surface contact with the lithium battery body, a clamping block is fixedly connected to the diagonal position of the bottom of the upper outer frame through a connecting plate, a clamping groove is formed in the connecting plate at the diagonal position of the top of the lower outer frame, and the outer surface of the clamping block is in sliding connection with the inner surface of the clamping groove.
Preferably, the surface of the clamping block is provided with a first thread groove in a penetrating manner, the connecting plate at the diagonal position of the top of the lower outer frame and the inner surface of the clamping groove are provided with a second thread groove, and the first thread groove and the second thread groove are in threaded connection through a threaded bolt.
Preferably, the push-pull operation unit comprises a contact plate and a circular plate which are fixedly installed on the upper outer frame, the circular plate and the contact plate are fixed through a clamping assembly, one side of the circular plate is fixedly connected with a sliding rod, and the inner surface of the lithium battery shell is fixedly connected with a limiting plate.
Preferably, one end of the sliding rod penetrates through the limiting plate and the lithium battery shell and extends to the outside of the lithium battery shell, one end of the sliding rod is fixedly connected with the control handle, and a torsion spring is fixedly connected between the opposite sides of the circular plate and the limiting plate.
Preferably, the clamping assembly comprises a convex block fixedly mounted on the surface of the circular plate, a placing groove is formed in one side of the contact plate, and a groove is formed in the inner surface of the placing groove.
Preferably, a rotating groove is formed in the inner surface of the placing groove and located on one side of the groove, the outer surface of the protruding block is in sliding connection with the inner surface of the rotating groove, and the circular plate is in sliding connection with the inner surface of the placing groove.
The invention also discloses a heat conduction method for the lithium battery heat management, which specifically comprises the following steps:
s1, fixing the outer frame: placing the single bodies of the lithium battery on the lower outer frame, placing heat-conducting silica gel between the single bodies of the lithium battery, wrapping the lithium battery by the upper outer frame, enabling the fixture block below the connecting plate to be immersed into the clamping groove, and screwing the fixture block into the first thread groove and the second thread groove through the thread bolt for fixing;
s2, lithium battery push-pull: at the moment, the installed lithium battery body is placed into a lithium battery shell, the pulled control handle is rotated, so that the convex block on the surface of the circular plate is aligned with the groove, the pulling force of the control handle is reduced, the circular plate slides into the placing groove along the groove until reaching the position of the rotating groove, the control handle is slowly loosened, the convex block is clamped with the rotating groove, and the lithium battery body is pushed to be in contact with the heat conduction copper block;
s3, stable heat conduction: at the moment, the lithium battery body moves to the first extension groove on the surface of the fixing plate of the lithium battery body and is aligned with the second extension groove on the top of the supporting plate, then the pull plate is pushed downwards, so that the sliding plate moves downwards in the sliding groove until the mounting plate moves to the mounting groove of the second extension groove, and the mounting plate is pushed into the mounting groove for fixing through the restoring force of the telescopic spring and the return spring;
s4, heat conduction: after the installation is accomplished, the heat that lithium cell body produced passes through the heat conduction copper billet to the heat gathering to transmit the louvre through the fin, start driving motor this moment, utilize driving motor to drive the rotation of drive pivot, the rotation of support pivot has been driven through drive wheel, drive wheel and drive belt to the drive pivot, with this outside heat dissipation of heat conduction fan that has driven.
Advantageous effects
The invention provides a heat conduction structure for lithium battery heat management and a method thereof. Compared with the prior art, the method has the following beneficial effects:
(1) this lithium cell is heat conduction structure and method for thermal management, through being provided with heat conduction mechanism and battery installation unit, utilize heat conduction copper billet, fin and forced air cooling unit can realize the heat conduction operation that air-cooled and conductor material combine to through the installation between mounting panel and the mounting groove, not only can improve the efficiency of lithium cell heat conduction, can effectually improve the contact of heat conduction copper billet and lithium cell in addition, thereby avoided rocking and lead to both to take place the problem that the skew causes the influence to heat-conduction.
(2) This lithium cell is heat conduction structure and method for thermal management, through being provided with fixed subassembly, utilize the reciprocal anchorage between frame and the lower frame, through the joint of fixture block and draw-in groove to tie the fixed of first thread groove and second thread groove through the screw thread, thereby make the parcel to the lithium cell more firm, the maintenance and the change when the follow-up lithium cell monomer of being convenient for simultaneously damages, with this waste of having avoided the material.
(3) According to the heat conduction structure and the method for the lithium battery thermal management, the push-pull operation unit is arranged, the lug in the clamping assembly is clamped with the groove, and the restoring force of the torsion spring drives the whole lithium battery body to move, so that the lithium battery can be conveniently placed and taken out, and the installation performance of the lithium battery body is improved.
Drawings
FIG. 1 is a perspective view of the external structure of the present invention;
FIG. 2 is a cross-sectional view of the internal perspective structure of the present invention;
FIG. 3 is an exploded view of the internal perspective structure of the present invention;
FIG. 4 is an exploded perspective view of a lithium battery according to the present invention;
fig. 5 is an exploded perspective view of a battery mounting unit according to the present invention;
FIG. 6 is an enlarged view of a portion of the structure of FIG. 5;
FIG. 7 is a perspective view of the air cooling unit of the present invention;
FIG. 8 is an exploded perspective view of the push-pull operating unit of the present invention;
fig. 9 is an exploded perspective view of the fastening assembly of the present invention.
In the figure: 1-lithium battery body, 2-lithium battery shell, 3-fixing component, 31-upper outer frame, 32-lower outer frame, 33-clamping block, 34-clamping groove, 35-first thread groove, 36-second thread groove, 37-thread bolt, 4-heat conduction mechanism, 41-air cooling unit, 41-1-driving motor, 41-2-supporting rotating shaft, 41-3-cross bracket, 41-4-heat dissipation hole, 41-5-driving rotating shaft, 41-6-transmission component, 41-61-driving wheel, 41-62-driving wheel, 41-63-driving belt, 41-7-heat conduction fan, 42-heat conduction copper block, 43-fin, 44-supporting plate, 45-battery mounting unit, 45-1-fixed plate, 45-2-pulling plate, 45-3-telescopic spring, 45-4-first extending groove, 45-5-sliding groove, 45-6-second extending groove, 45-7-mounting groove, 45-8-mounting plate, 45-9-supporting rod, 45-10-reset spring, 45-11-sliding plate, 46-heat-conducting silica gel, 47-heat-conducting hole, 5-push-pull operation unit, 51-contact plate, 52-round plate, 53-clamping component, 53-1-convex block, 53-2-placing groove, 53-3-groove, 53-4-rotating groove, 54-sliding rod, 55-limiting plate, 56-control handle, etc, 57-torsion spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a heat conduction structure for lithium battery thermal management comprises a lithium battery body 1 and a lithium battery shell 2, wherein the lithium battery body 1 is composed of a plurality of lithium batteries, the outer surface of the lithium battery body 1 is wrapped by a fixing component 3, a heat conduction mechanism 4 and a push-pull operation unit 5 are arranged inside the lithium battery shell 2, the heat conduction mechanism 4 comprises an air cooling unit 41 and a heat conduction copper block 42, the heat conduction copper block 42 is used for concentrating heat generated by the lithium batteries in use and transmitting the concentrated heat outwards through fins 43, the air cooling unit 41 comprises a driving motor 41-1 and a supporting rotating shaft 41-2, the driving motor 41-1 is a three-phase asynchronous motor, the driving motor 41-1 is electrically connected with an external power supply, one side of the driving motor 41-1 and one side of the supporting rotating shaft 41-2 are fixedly connected with the inner surface of the lithium battery shell 2 through a cross support 41-3, the surface of the lithium battery shell 2 is provided with heat dissipation holes 41-4, the heat dissipation holes 41-4 are convenient for installing an air cooling unit 41 to discharge the generated heat outwards, one end of an output shaft of a driving motor 41-1 is fixedly connected with a driving rotating shaft 41-5 through a coupler, the driving rotating shaft 41-5 is in transmission connection with the outer surface of a supporting rotating shaft 41-2 through a transmission assembly 41-6, one ends of the driving rotating shaft 41-5 and the supporting rotating shaft 41-2 are both fixedly connected with a heat conduction fan 41-7, the heat conduction fan 41-7 is used for discharging the heat generated by the lithium battery outwards, the heat conduction fan 41-7 extends to the inside of the heat dissipation holes 41-4, the transmission assembly 41-6 comprises driving wheels 41-61 and transmission wheels 41-62, the driving wheels 41-61 are fixedly installed on the outer surface of the driving rotating shaft 41-5, the driving wheel 41-62 is fixedly arranged on the outer surface of the supporting rotating shaft 41-2, the driving wheel 41-61 is in transmission connection with the outer surface of the driving wheel 41-62 through a transmission belt 41-63, one side of the heat conducting copper block 42 is in tight contact with the surface of the lithium battery body 1, one side of the heat conducting copper block 42 is adhered with a fin 43 through an adhesive, the heat extraction direction of the fin 43 is consistent with the direction of the heat emission hole 41-4, the top of the heat conducting copper block 42 and the top of the fin 43 are fixedly connected with a supporting plate 44, the supporting plate 44 and the fixing component 3 are fixed through a battery mounting unit 45, adjacent lithium battery units of the lithium battery body 1 are spaced through heat conducting silica gel 46, heat conducting holes 47 are formed in the surface of the heat conducting silica gel 46, the heat conducting holes 47 are convenient for transmitting heat among the lithium battery units to the heat conducting copper block 42, the battery mounting unit 45 comprises a fixing plate 45-1 and mutually symmetrical pulling plates 45-2, a telescopic spring 45-3 is fixedly connected between opposite sides of the two pulling plates 45-2, a first extending groove 45-4 is formed on the surface of the fixed plate 45-1, when the first extending groove 45-4 is aligned with the second extending groove 45-6, the lithium battery body 1 can be fixed, a sliding groove 45-5 is formed on the inner surface of the first extending groove 45-4, a second extending groove 45-6 is formed on the top of the supporting plate 44, an installation groove 45-7 is formed on the inner surface of the second extending groove 45-6, an installation plate 45-8 is fixedly connected with the bottom of the pulling plate 45-2, a sliding clamping connection is realized between the installation plate 45-8 and the installation groove 45-7, the installation plate 45-8 is in sliding connection with the installation groove 45-7, a support rod 45-9 is fixedly connected with one side of the pulling plate 45-2, the surface of the supporting rod 45-9 is fixedly connected with a return spring 45-10, one end of the return spring 45-10 is fixedly connected with a sliding plate 45-11, the sliding plate 45-11 is clamped with the sliding plate 45-11 in a sliding way, the outer surface of the sliding plate 45-11 is connected with the inner surface of the sliding groove 45-5 in a sliding way, by providing the heat conduction mechanism 4 and the battery mounting unit 45, the heat conduction operation of wind cooling in combination with the conductor material can be achieved by the heat conductive copper block 42, the fins 43 and the air-cooling unit 41, and through the installation between the installation plate 45-8 and the installation groove 45-7, the heat conduction efficiency of the lithium battery can be improved, and can effectual improvement heat conduction copper billet 42 and the contact of lithium cell to rocking has been avoided leading to both to take place the skew to lead to the fact the problem of influence to heat-conduction. .
Referring to fig. 9, the fixing assembly 3 includes an upper frame 31 and a lower frame 32, the upper frame 31 and the lower frame 32 are used for wrapping and fixing the lithium batteries, one side of the upper frame 31 is fixedly connected with one side of the fixing plate 45-1, inner surfaces of the upper frame 31 and the lower frame 32 are in contact with a surface of the lithium battery body 1, a clamping block 33 is fixedly connected to a diagonal position of the bottom of the upper frame 31 through a connecting plate, the clamping block 33 is slidably clamped with the clamping block 34, a clamping groove 34 is formed on the connecting plate at a diagonal position of the top of the lower frame 32, an outer surface of the clamping block 33 is slidably connected with an inner surface of the clamping groove 34, a first thread groove 35 is formed on a surface of the clamping block 33, a thread bolt 37 is used for spirally fixing the first thread groove 35 and a second thread groove 36, so as to stabilize the space between the upper frame 31 and the lower frame 32, a second thread groove 36 is formed on the connecting plate at the diagonal position of the top of the lower frame 32 and an inner surface of the clamping groove 34, through thread bolt 37 threaded connection between first thread groove 35 and the second thread groove 36, through being provided with fixed subassembly 3, utilize the reciprocal anchorage between frame 31 and the lower frame 32, through the joint of fixture block 33 and draw-in groove 34, and through thread bolt 37 to the fixed of first thread groove 35 and second thread groove 36, thereby make the parcel more firm to the lithium cell, overhaul and change when being convenient for follow-up lithium cell monomer simultaneously damages, with this waste of having avoided the material.
Referring to fig. 8, the push-pull operation unit 5 includes a contact plate 51 and a circular plate 52 fixedly installed on the upper outer frame 31, the circular plate 52 and the contact plate 51 are fixed by a clamping assembly 53, the clamping assembly 53 includes a protrusion 53-1 fixedly installed on the surface of the circular plate 52, the protrusion 53-1 and the groove 53-3 are adapted to slide, one side of the contact plate 51 is provided with a placement groove 53-2, the inner surface of the placement groove 53-2 is provided with a groove 53-3, the inner surface of the placement groove 53-2 and one side of the groove 53-3 are provided with a rotation groove 53-4, the protrusion 53-1 and the rotation groove 53-4 are slidably clamped, the outer surface of the protrusion 53-1 and the inner surface of the rotation groove 53-4 are slidably connected, the circular plate 52 and the inner surface of the placement groove 53-2 are slidably connected, one side fixedly connected with slide bar 54 of circular plate 52, lithium cell casing 2's internal surface fixedly connected with limiting plate 55, the one end of slide bar 54 runs through limiting plate 55 and lithium cell casing 2 and extends to the lithium cell casing 2 outside, the one end fixedly connected with control handle 56 of slide bar 54, fixedly connected with torsion spring 57 between the opposite side of circular plate 52 and limiting plate 55, through being provided with push-and-pull operating unit 5, utilize the lug 53-1 in the joint subassembly 53 and the joint of recess 53-3, and the restoring force through torsion spring 57 has driven the removal of whole lithium cell body 1, thereby convenient placing and taking out to the lithium cell, thereby the installation nature to lithium cell body 1 has been improved.
The invention also discloses a heat conduction method for the lithium battery heat management, which specifically comprises the following steps:
s1, fixing the outer frame: the single bodies of the lithium battery are placed on the lower outer frame 32, heat-conducting silica gel 46 is placed between the single bodies of the lithium battery, then the upper outer frame 31 wraps the lithium battery, so that the clamping block 33 below the connecting plate is immersed into the clamping groove 34, and then the clamping block is screwed into the first thread groove 35 and the second thread groove 36 through the thread bolt 37 for fixing;
s2, lithium battery push-pull: at the moment, the mounted lithium battery body 1 is placed into the lithium battery shell 2, the pulled control handle 56 is rotated, so that the projection 53-1 on the surface of the circular plate 52 is aligned with the groove 53-3, the pulling force of the control handle 56 is reduced, the circular plate 52 slides into the placing groove 53-2 along the groove 53-3 until reaching the rotating groove 53-4, the control handle 56 is slowly loosened, so that the projection 53-1 is clamped with the rotating groove 53-4, and the lithium battery body 1 is pushed to be in contact with the heat conducting copper block 42;
s3, stable heat conduction: at this time, the lithium battery body 1 moves to the first extension groove 45-4 on the surface of the fixing plate 45-1 thereof to be aligned with the second extension groove 45-6 on the top of the supporting plate 44, and then the pull plate 45-2 is pushed downwards, so that the sliding plate 45-11 moves downwards inside the sliding groove 45-5 until the mounting plate 45-8 moves to the mounting groove 45-7 of the second extension groove 45-6, and the mounting plate 45-8 is pushed into the mounting groove 45-7 by the restoring force of the extension spring 45-3 and the return spring 45-10 to be fixed;
s4, heat conduction: after the installation is finished, the heat generated by the lithium battery body 1 is gathered by the heat conducting copper block 42 and is transmitted to the heat dissipation hole 41-4 through the fin 43, at this time, the driving motor 41-1 is started, the driving motor 41-1 drives the driving rotating shaft 41-5 to rotate, the driving rotating shaft 41-5 drives the supporting rotating shaft 41-2 to rotate through the driving wheel 41-61, the driving wheel 41-62 and the driving belt 41-63, and therefore the heat conducting fan 41-7 is driven to dissipate heat outwards.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a lithium cell is heat conduction structure for thermal management, includes lithium cell body (1) and lithium cell shell (2), its characterized in that: the outer surface of the lithium battery body (1) is wrapped by a fixing component (3), and a heat conduction mechanism (4) and a push-pull operation unit (5) are arranged in the lithium battery shell (2);
the lithium battery pack is characterized in that the heat conduction mechanism (4) comprises an air cooling unit (41) and a heat conduction copper block (42), one side of the heat conduction copper block (42) is in close contact with the surface of the lithium battery body (1), a fin (43) is adhered to one side of the heat conduction copper block (42) through an adhesive, a supporting plate (44) is fixedly connected to the tops of the heat conduction copper block (42) and the fin (43), the supporting plate (44) and the fixing assembly (3) are fixed through a battery installation unit (45), adjacent lithium batteries of the lithium battery body (1) are spaced through heat conduction silica gel (46), and heat conduction holes (47) are formed in the surface of the heat conduction silica gel (46);
the battery installation unit (45) comprises a fixed plate (45-1) and pull plates (45-2) which are symmetrical to each other, a telescopic spring (45-3) is fixedly connected between opposite sides of the two pull plates (45-2), a first extension groove (45-4) is formed in the surface of the fixed plate (45-1), a sliding groove (45-5) is formed in the inner surface of the first extension groove (45-4), a second extension groove (45-6) is formed in the top of the support plate (44), an installation groove (45-7) is formed in the inner surface of the second extension groove (45-6), an installation plate (45-8) is fixedly connected to the bottom of the pull plate (45-2), and the installation plate (45-8) is in sliding connection with the installation groove (45-7), one side of the pulling plate (45-2) is fixedly connected with a supporting rod (45-9), the surface of the supporting rod (45-9) is fixedly connected with a return spring (45-10), one end of the return spring (45-10) is fixedly connected with a sliding plate (45-11), and the outer surface of the sliding plate (45-11) is in sliding connection with the inner surface of the sliding groove (45-5).
2. The heat conducting structure for lithium battery thermal management according to claim 1, wherein: the air cooling unit (41) comprises a driving motor (41-1) and a supporting rotating shaft (41-2), one side of the driving motor (41-1) and one side of the supporting rotating shaft (41-2) are fixedly connected with the inner surface of the lithium battery shell (2) through a cross bracket (41-3), a heat dissipation hole (41-4) is formed in the surface of the lithium battery shell (2), one end of an output shaft of the driving motor (41-1) is fixedly connected with the driving rotating shaft (41-5) through a coupler, the outer surfaces of the driving rotating shaft (41-5) and the supporting rotating shaft (41-2) are in transmission connection through a transmission assembly (41-6), and one ends of the driving rotating shaft (41-5) and the supporting rotating shaft (41-2) are fixedly connected with a heat conduction fan (41-7), and the heat conduction fan (41-7) extends to the interior of the heat dissipation hole (41-4).
3. The heat conducting structure for lithium battery thermal management according to claim 2, characterized in that: the transmission assembly (41-6) comprises a driving wheel (41-61) and a transmission wheel (41-62), the driving wheel (41-61) is fixedly arranged on the outer surface of the driving rotating shaft (41-5), the transmission wheel (41-62) is fixedly arranged on the outer surface of the supporting rotating shaft (41-2), and the driving wheel (41-61) and the outer surface of the transmission wheel (41-62) are in transmission connection through a transmission belt (41-63).
4. The heat conducting structure for lithium battery thermal management according to claim 1, wherein: the lithium battery pack fixing assembly is characterized in that the fixing assembly (3) comprises an upper outer frame (31) and a lower outer frame (32), one side of the upper outer frame (31) is fixedly connected with one side of a fixing plate (45-1), the inner surfaces of the upper outer frame (31) and the lower outer frame (32) are in surface contact with the lithium battery body (1), a clamping block (33) is fixedly connected to the diagonal of the bottom of the upper outer frame (31) through a connecting plate, a clamping groove (34) is formed in the connecting plate at the diagonal of the top of the lower outer frame (32), and the outer surface of the clamping block (33) is in sliding connection with the inner surface of the clamping groove (34).
5. The heat conducting structure for lithium battery thermal management according to claim 4, wherein: the surface of the clamping block (33) is provided with a first thread groove (35) in a penetrating mode, the inner surface, located on the clamping groove (34), of the connecting plate at the opposite angle of the top of the lower outer frame (32) is provided with a second thread groove (36), and the first thread groove (35) is in threaded connection with the second thread groove (36) through a threaded bolt (37).
6. The heat conducting structure for lithium battery thermal management according to claim 1, wherein: the push-pull operation unit (5) comprises a contact plate (51) and a circular plate (52) which are fixedly mounted on the upper outer frame (31), the circular plate (52) and the contact plate (51) are fixed through a clamping assembly (53), one side of the circular plate (52) is fixedly connected with a sliding rod (54), and the inner surface of the lithium battery shell (2) is fixedly connected with a limiting plate (55).
7. The heat conducting structure for lithium battery thermal management according to claim 6, wherein: one end of the sliding rod (54) penetrates through the limiting plate (55) and the lithium battery shell (2) and extends to the outside of the lithium battery shell (2), one end of the sliding rod (54) is fixedly connected with a control handle (56), and a torsion spring (57) is fixedly connected between the opposite sides of the circular plate (52) and the limiting plate (55).
8. The heat conducting structure for lithium battery thermal management according to claim 6, wherein: the clamping assembly (53) comprises a convex block (53-1) fixedly mounted on the surface of the circular plate (52), a placing groove (53-2) is formed in one side of the contact plate (51), and a groove (53-3) is formed in the inner surface of the placing groove (53-2).
9. The heat conducting structure for lithium battery thermal management according to claim 8, wherein: a rotating groove (53-4) is formed in the inner surface of the placing groove (53-2) and located on one side of the groove (53-3), the outer surface of the projection (53-1) is connected with the inner surface of the rotating groove (53-4) in a sliding mode, and the circular plate (52) is connected with the inner surface of the placing groove (53-2) in a sliding mode.
10. A heat conduction method for lithium battery heat management is characterized in that: the method specifically comprises the following steps:
s1, fixing the outer frame: the method comprises the following steps of placing single bodies of the lithium battery on a lower outer frame (32), placing heat-conducting silica gel (46) between the single bodies of the lithium battery, wrapping the lithium battery by an upper outer frame (31), enabling a clamping block (33) below a connecting plate to be submerged into a clamping groove (34), and screwing a threaded bolt (37) into a first threaded groove (35) and a second threaded groove (36) for fixing;
s2, lithium battery push-pull: at the moment, the mounted lithium battery body (1) is placed into a lithium battery shell (2), the pulled control handle (56) is rotated, so that the convex blocks (53-1) on the surface of the circular plate (52) are aligned with the grooves (53-3), the pulling force of the control handle (56) is reduced, the circular plate (52) slides into the placing groove (53-2) along the grooves (53-3) until the rotating groove (53-4) is formed, the control handle (56) is slowly loosened, so that the convex blocks (53-1) are clamped with the rotating groove (53-4), and the lithium battery body (1) is pushed to be in contact with the heat conducting copper block (42);
s3, stable heat conduction: at the moment, the lithium battery body (1) moves to the first extension groove (45-4) on the surface of the fixed plate (45-1) of the lithium battery body to be aligned with the second extension groove (45-6) on the top of the supporting plate (44), then the pulling plate (45-2) is pushed downwards, so that the sliding plate (45-11) moves downwards in the sliding groove (45-5) until the mounting plate (45-8) moves to the mounting groove (45-7) of the second extension groove (45-6), and the mounting plate (45-8) is pushed into the mounting groove (45-7) to be fixed through the restoring force of the telescopic spring (45-3) and the return spring (45-10);
s4, heat conduction: after the installation is finished, heat generated by the lithium battery body (1) is gathered through the heat conducting copper block (42) and is transmitted to the heat dissipation holes (41-4) through the fins (43), at the moment, the driving motor (41-1) is started, the driving motor (41-1) is utilized to drive the driving rotating shaft (41-5) to rotate, the driving rotating shaft (41-5) drives the supporting rotating shaft (41-2) to rotate through the driving wheel (41-61), the driving wheel (41-62) and the transmission belt (41-63), and therefore the heat conducting fan (41-7) is driven to dissipate heat outwards.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865156A (en) * | 2022-06-14 | 2022-08-05 | 华安鑫创(江苏)新能源科技有限公司 | Battery Pack assembly structure with high power supply efficiency |
| CN117559041A (en) * | 2024-01-12 | 2024-02-13 | 深圳市神通天下科技有限公司 | Lithium ion battery pole piece structure and lithium ion battery assembly |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000021456A (en) * | 1998-07-03 | 2000-01-21 | Hitachi Ltd | Secondary battery |
| CN102422480A (en) * | 2010-01-29 | 2012-04-18 | 松下电器产业株式会社 | Cell module |
| CN108812400A (en) * | 2018-06-28 | 2018-11-16 | 李占军 | A kind of pet dog blow-dry device based on self-travel type swing effect |
| CN109546038A (en) * | 2018-11-21 | 2019-03-29 | 合肥泽尼特新能源有限公司 | A kind of new-energy automobile lithium battery group |
| WO2020110094A1 (en) * | 2018-11-30 | 2020-06-04 | Tong Yui Lung | Power supply apparatus and components thereof (thermal exchange) |
| CN210723162U (en) * | 2019-11-18 | 2020-06-09 | 广州商户通信息科技有限公司 | High-efficient heat abstractor is used to lithium cell |
| CN210723158U (en) * | 2019-11-12 | 2020-06-09 | 宜宾时代新能源有限公司 | Battery cell support with double-layer base |
| CN111430839A (en) * | 2020-03-24 | 2020-07-17 | 苏州万祥科技股份有限公司 | Lithium battery box capable of quickly dissipating heat and cooling |
| CN213400162U (en) * | 2020-11-05 | 2021-06-08 | 李旭辉 | Hanging device for physical mechanics experiments |
| CN213459918U (en) * | 2020-11-21 | 2021-06-15 | 安徽松将能源科技有限公司 | Welding-free grouping device for energy storage lithium batteries |
| CN113381111A (en) * | 2021-05-21 | 2021-09-10 | 深圳市国威科创新能源科技有限公司 | Semiconductor electric motorcycle battery cabin thermal management system |
-
2021
- 2021-11-24 CN CN202111400761.2A patent/CN114069100B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000021456A (en) * | 1998-07-03 | 2000-01-21 | Hitachi Ltd | Secondary battery |
| CN102422480A (en) * | 2010-01-29 | 2012-04-18 | 松下电器产业株式会社 | Cell module |
| CN108812400A (en) * | 2018-06-28 | 2018-11-16 | 李占军 | A kind of pet dog blow-dry device based on self-travel type swing effect |
| CN109546038A (en) * | 2018-11-21 | 2019-03-29 | 合肥泽尼特新能源有限公司 | A kind of new-energy automobile lithium battery group |
| WO2020110094A1 (en) * | 2018-11-30 | 2020-06-04 | Tong Yui Lung | Power supply apparatus and components thereof (thermal exchange) |
| CN210723158U (en) * | 2019-11-12 | 2020-06-09 | 宜宾时代新能源有限公司 | Battery cell support with double-layer base |
| CN210723162U (en) * | 2019-11-18 | 2020-06-09 | 广州商户通信息科技有限公司 | High-efficient heat abstractor is used to lithium cell |
| CN111430839A (en) * | 2020-03-24 | 2020-07-17 | 苏州万祥科技股份有限公司 | Lithium battery box capable of quickly dissipating heat and cooling |
| CN213400162U (en) * | 2020-11-05 | 2021-06-08 | 李旭辉 | Hanging device for physical mechanics experiments |
| CN213459918U (en) * | 2020-11-21 | 2021-06-15 | 安徽松将能源科技有限公司 | Welding-free grouping device for energy storage lithium batteries |
| CN113381111A (en) * | 2021-05-21 | 2021-09-10 | 深圳市国威科创新能源科技有限公司 | Semiconductor electric motorcycle battery cabin thermal management system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865156A (en) * | 2022-06-14 | 2022-08-05 | 华安鑫创(江苏)新能源科技有限公司 | Battery Pack assembly structure with high power supply efficiency |
| CN117559041A (en) * | 2024-01-12 | 2024-02-13 | 深圳市神通天下科技有限公司 | Lithium ion battery pole piece structure and lithium ion battery assembly |
| CN117559041B (en) * | 2024-01-12 | 2024-03-19 | 深圳市神通天下科技有限公司 | Lithium ion battery pole piece structure and lithium ion battery assembly |
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