CN112448085B - Lithium battery pack fixing device based on local heat dissipation - Google Patents
Lithium battery pack fixing device based on local heat dissipation Download PDFInfo
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- CN112448085B CN112448085B CN202011237736.2A CN202011237736A CN112448085B CN 112448085 B CN112448085 B CN 112448085B CN 202011237736 A CN202011237736 A CN 202011237736A CN 112448085 B CN112448085 B CN 112448085B
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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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
- H01M10/65—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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention relates to the technical field of lithium batteries, in particular to a lithium battery pack fixing device based on local heat dissipation. It includes the lithium cell group fixed establishment in the lithium cell body and the lithium cell body outside, and the lithium cell group fixed establishment includes at least: deposit the shell, deposit shell both sides inner wall and all seted up the spout, the spout is inside to be provided with a plurality of division boards at equidistant, it has seted up a plurality of bleeder vents to deposit the shell outer wall, deposit shell top edge and seted up four slots, clamping device is located respectively between two division boards, clamping device includes the pinch-off blades, the pinch-off blades is provided with two of mutual symmetry, two pinch-off blades both sides wall all is provided with the movable plate, the movable plate slides and sets up inside the spout, local heat abstractor includes fixed frame, fixed frame inside center department is provided with the heat dissipation fan, the invention can effectual fixed lithium cell group, and can carry out local heat dissipation to the lithium cell body outside, be favorable to protecting the safety of lithium cell.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a lithium battery pack fixing device based on local heat dissipation.
Background
Lithium batteries are batteries using lithium metal or lithium alloy as a negative electrode material and using a non-aqueous electrolyte solution, and therefore, the batteries are also called lithium metal batteries, and unlike other batteries, lithium batteries have the characteristics of high charge density, long service life, high unit cost and the like, and a plurality of lithium batteries are combined together to form a lithium battery pack;
lithium cell need use the fixed lithium cell of fixing device when the installation, but fixing device at present can not effectual fixed lithium cell, easily leads to the lithium cell to rock the damage, and can not carry out local heat dissipation to lithium cell body according to actual conditions, leads to the long-time use of lithium cell to generate heat the damage, is unfavorable for the life of lithium cell, in view of this, we propose based on the local radiating lithium cell group fixing device.
Disclosure of Invention
The present invention is directed to a lithium battery pack fixing device based on local heat dissipation, so as to solve the problems in the background art.
In order to achieve the above object, the present invention provides a lithium battery pack fixing device based on local heat dissipation, which includes a plurality of lithium battery packs and a lithium battery pack fixing mechanism outside the lithium battery packs, wherein the lithium battery pack fixing mechanism at least includes:
the lithium battery comprises a storage shell, a plurality of lithium battery bodies are all positioned in the storage shell, a mounting plate is arranged at the bottom of the storage shell, mounting screw holes are formed in the surfaces, close to four corners, of the mounting plate, sliding grooves are formed in the inner walls of two sides of the storage shell, a plurality of partition plates are arranged in the sliding grooves at equal intervals, a plurality of air holes are formed in the outer wall of the storage shell and communicated with the inside of the storage shell, and four slots are formed in the edge of the top of the storage shell;
when the storage shell in this embodiment is used specifically, the storage shell is placed at the position where the storage shell needs to be installed, the installation screw hole is penetrated through the bolt thread, the installation of the installation plate thread is fixed, then the lithium battery body is placed into the storage shell to be stored, and the lithium battery body is fixed and protected.
The lithium battery comprises a lithium battery body, a plurality of partition plates, a plurality of clamping devices, a plurality of fixing devices and a plurality of clamping plates, wherein the plurality of clamping devices are respectively positioned between the two partition plates, each clamping device comprises two clamping plates, the two clamping plates are symmetrical to each other, the lithium battery body is positioned between the two clamping plates, two side walls of each of the two clamping plates are provided with a movable plate, the movable plates are arranged in sliding grooves in a sliding mode, a limiting spring is arranged between each movable plate and the corresponding partition plate, and the inner surfaces of the two movable plates are attached to each other;
when the clamping device in the embodiment is used specifically, the two moving plates are pushed and pulled to separate the two moving plates, then the lithium battery body is placed between the two moving plates, the inner surfaces of the moving plates are tightly attached to the lithium battery body, the limiting springs are compressed, the two moving plates are pushed to gather inwards under the elastic action of the limiting springs restoring to the original state, the two moving plates are enabled to clamp the lithium battery body, and the lithium battery body is fixed and limited in the storage shell.
The local heat dissipation device is matched with the inside of the slot, the quantity of the slots is the same, the local heat dissipation device comprises a fixing frame, the fixing frame is inserted into the slots, and a heat dissipation fan is arranged at the center of the inside of the fixing frame.
When the local heat dissipation device in this embodiment is specifically used, inside inserting the slot local heat dissipation device, by the flabellum rotation of heat dissipation fan, deposit the shell inside with outside air from the bleeder vent through the entering of heat dissipation fan, make and deposit the inside air of shell and exchange with the outside air, dispel the heat to lithium cell body outer wall, can change the radiating effect according to four inside local heat dissipation device that insert respectively of slot.
As a further improvement of the technical scheme, the top of the storage shell is sleeved with a shielding cover, the inner size of the shielding cover is matched with the size of the outer wall of the storage shell, a handle is arranged at the center of the top of the shielding cover, a plurality of anti-skid protrusions are arranged on the outer wall of the handle at equal intervals, and the anti-skid protrusions are made of elastic rubber.
As a further improvement of the technical scheme, the top of the storage shell close to the corners is provided with a rotating rod in a rotating mode, the top of the rotating rod is provided with a limiting buckle, the limiting buckle is in a cuboid arc shape, the surface of the shielding cover is close to the corners and is provided with a buckle groove, and the inner size of the buckle groove is matched with the size of the outer wall of the limiting buckle.
As a further improvement of the technical scheme, the center of the bottom of the inner cavity of the shielding cover is provided with a drying box which is in a square shell shape, the inner cavity of the drying box is provided with a drying agent, a plurality of through holes are formed in the bottom of the drying box at equal intervals, a plurality of stirring rods are arranged in the drying box in a rotating mode, and the stirring rods are in a cylindrical shape.
As a further improvement of the technical scheme, the outer wall of the stirring rod is provided with stirring blades at equal intervals, the end part of the stirring rod extends out of the inner part of the drying box and is connected with a gear, the outer wall of the gear is meshed and connected, and one end part of the gear is connected with an output shaft of a stirring motor.
As a further improvement of the technical scheme, a plurality of radiating fins are arranged at the bottom of the inner cavity of the storage shell at equal intervals and are in a thin sheet shape, the radiating fins are made of aluminum alloy materials, heat-conducting silicone grease is coated on the tops of the radiating fins, and the bottom of the lithium battery body is located on the tops of the radiating fins.
As a further improvement of this technical scheme, the roll groove has all been seted up to fixed frame both sides outer wall, the roll groove is "rectangular" form that the bottom was opened, the equidistant rotation of roll inslot portion is provided with a plurality of cylinders, the cylinder is "cylinder" form, the cylinder adopts the rubber material, the cylinder outer wall with slot inner wall closely laminates.
As a further improvement of the technical scheme, the two surfaces of the fixing frame are both provided with dust screens, the dust screens are made of aluminum-magnesium alloy plates with mesh diameters of 0.1-0.5cm, the heat dissipation fan is located at the center between the two dust screens, the inner surfaces of the dust screens are slidably provided with anti-blocking devices, each anti-blocking device comprises two symmetrical movable brush plates, cleaning brushes are arranged on the outer surfaces of the movable brush plates, and the end parts of the cleaning brushes are tightly attached to the inner walls of the dust screens.
As the further improvement of the technical scheme, the surface of the fixed frame close to the top is provided with a rotating groove, the rotating groove is internally provided with a transmission screw rod in a rotating way, the end part of the transmission screw rod is connected with an output shaft of a rotating motor, the rotating motor is fixedly arranged at the end part of the rotating groove, the bottom of the inner cavity of the rotating groove is provided with two symmetrical moving grooves, and the moving grooves are communicated with the inner cavity of the fixed frame.
As a further improvement of the technical scheme, the cross-sectional dimension of the movable brush plate is matched with the size of the inner dimension of the movable groove, the upper end of the movable brush plate is slidably arranged inside the movable groove, a conveying plate is arranged between the movable brush plates at the top, the size of the conveying plate is matched with the size of the cross-sectional dimension of the rotary groove, a screw hole is formed in the surface of the conveying plate, and the screw hole is connected with the outer wall of the conveying screw rod in a threaded fit mode.
Compared with the prior art, the invention has the following beneficial effects:
1. this lithium cell group fixing device based on local heat dissipation, through setting up local heat abstractor, inside inserting the slot local heat abstractor, the flabellum by the heat dissipation fan rotates, it is inside to deposit the shell to get into from the bleeder vent through the heat dissipation fan with external air, make and deposit the inside air of shell and the exchange of outside air, dispel the heat to lithium cell body outer wall, can change the radiating effect according to four inside local heat abstractor that insert respectively of slot, make lithium cell body outer wall can effectual heat dissipation, avoid long-time use to send out to scald influence life, be favorable to the security including lithium cell body.
2. In this lithium battery pack fixing device based on local heat dissipation, through setting up clamping device, two movable plates of push-and-pull can be put lithium cell body respectively between two movable plates, make the compression of spacing spring, promote two movable plates and inwards gather together under the spring action of spacing spring reconversion, make two movable plate clamp tight lithium cell body, can be fixed spacing depositing the shell inside lithium cell body, avoid lithium cell body to rock the damage, be favorable to increase of service life.
3. In this lithium battery pack fixing device based on local heat dissipation, through setting up dry box, deposit the inside air of shell inside from the through-hole entering dry box, the puddler rotates to make the stirring leaf rotate the inside drier of dry box of stirring, make drier distribute even with the air reaction, make dry air more even, drying effect is better, guarantees to deposit the inside drying of shell, thereby makes the lithium cell body outside keep dry, is favorable to protecting lithium cell body's safe in utilization.
4. In this lithium cell group fixing device based on local heat dissipation, through setting up the fin, can conduct the radiating heat of lithium cell body on the fin top conducts the fin, and go in the air around distributing through the fin again, carry out local heat dissipation to lithium cell body bottom, the radiating effect is better.
5. In this lithium cell group fixing device based on local heat dissipation, through setting up the cylinder, when the local heat abstractor of pull, make fixed frame outer wall slide along the slot inner wall, drive the cylinder and rotate at the roll inslot portion, make the cylinder roll at the slot inner wall, reduce the frictional resistance of fixed frame outer wall and slot inner wall, make the fixed frame of push-and-pull more light, conveniently take out local heat abstractor from the slot is inside.
6. In this lithium cell group fixing device based on local heat dissipation, through setting up the dust screen, can shelter from inside the fixed frame, when making heat dissipation fan flabellum rotate, can avoid the dust to get into inside the fixed frame, lead to the long-time accumulation of dust to fan inside influence normal use in the heat dissipation, be favorable to protecting the life of heat dissipation fan.
7. In this lithium cell group fixing device based on local heat dissipation, through setting up anti-blocking device, when the conveying lead screw rotates, can drive the screw hole on conveying plate surface along the screw thread slip of conveying lead screw outer wall, make the conveying plate slide and rotate the inslot portion to drive and remove the brush board and slide in the shifting chute portion, make the clearance brush and brush the dust screen, brush the dust of dust screen surface jam, avoid long-time dust to block up, influence the ventilation effect of heat dissipation fan.
Drawings
FIG. 1 is an exploded view of the entire structure of embodiment 1;
FIG. 2 is an assembly view showing the overall structure of embodiment 1;
fig. 3 is an exploded view of the lithium battery pack fixing mechanism according to embodiment 1;
FIG. 4 is a schematic structural view of a storage case according to embodiment 1;
FIG. 5 is a schematic view of the structure at A in FIG. 4;
FIG. 6 is a first schematic view of the structure of the shielding cover of embodiment 1;
FIG. 7 is a second schematic view of the shielding cover of embodiment 1;
FIG. 8 is a schematic view of the structure of the drying box of embodiment 1;
FIG. 9 is a schematic view of the construction of a stirring rod in accordance with embodiment 1;
FIG. 10 is a schematic view of a structure of a clamping apparatus according to embodiment 1;
fig. 11 is a schematic structural view of a local heat dissipation device in embodiment 1;
fig. 12 is an exploded view of the local heat dissipation device of embodiment 1;
FIG. 13 is a cut-away view of the fixing frame structure of embodiment 1;
fig. 14 is a partially exploded view of the fixing frame structure of embodiment 1;
fig. 15 is a schematic structural view of the anti-blocking device in embodiment 1.
The various reference numbers in the figures mean:
100. a lithium battery body;
200. a lithium battery pack fixing mechanism;
210. storing the shell; 211. a shielding cover; 2111. a handle; 2112. anti-skid projections; 2113. buckling grooves; 2114. drying the box; 2115. a through hole; 2116. a stirring rod; 2117. stirring blades; 2118. a gear; 2119. a stirring motor; 212. inserting slots; 213. a rotating rod; 2130. a limit buckle; 214. air holes are formed; 215. a heat sink; 216. mounting a plate; 2160. mounting a screw hole; 217. a chute; 2170. a partition plate;
220. a clamping device; 221. a clamping plate; 222. moving the plate; 223. a limiting spring;
230. a local heat sink; 231. a fixing frame; 2311. a rotating groove; 2312. a conveying screw rod; 2313. a rotation motor; 2314. a moving groove; 2315. a rolling groove; 2316. a drum; 232. a heat dissipation fan; 233. a dust screen; 234. an anti-blocking device; 2341. a transfer plate; 2342. threading holes; 2343. moving the brush plate; 2344. and cleaning the brush.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 15, the present embodiment provides a lithium battery pack fixing device based on local heat dissipation, including a plurality of lithium battery packs 100 and a lithium battery pack fixing mechanism 200 outside the lithium battery packs 100, where the lithium battery packs 100 are formed by a plurality of lithium battery packs 100, and the lithium battery pack fixing mechanism 200 at least includes:
the storage shell 210 is provided, the lithium battery bodies 100 are all located inside the storage shell 210, the bottom of the storage shell 210 is provided with the mounting plate 216, the surfaces, close to four corners, of the mounting plate 216 are provided with mounting screw holes 2160, the mounting plate 216 is placed at the position needing to be mounted, the mounting plate 216 is fixedly mounted by bolt threads through the bolt aligned to the mounting screw holes 2160, the mounting plate 216 is convenient to operate and is firmly fixed, the inner walls of two sides of the storage shell 210 are provided with sliding grooves 217, a plurality of partition plates 2170 are equidistantly arranged inside the sliding grooves 217, the outer wall of the storage shell 210 is provided with a plurality of vent holes 214, the vent holes 214 are communicated with the inside of the storage shell 210, the outer side of the lithium battery body 100 can be cooled, the scalding damage caused by sealing is avoided, and the edge of the top of the storage shell 210 is provided with four slots 212;
when the storage case 210 in this embodiment is used specifically, the storage case 210 is placed at a position where it is needed to be installed, the installation plate 216 is fixed by screwing the bolt through the installation screw hole 2160, and then the lithium battery body 100 is placed inside the storage case 210 for storage, thereby fixing and protecting the lithium battery body 100.
The clamping devices 220 are provided with a plurality of clamping devices 220, the plurality of clamping devices 220 are respectively located between the two partition plates 2170, each clamping device 220 comprises two clamping plates 221, the two clamping plates 221 are symmetrically arranged, the two clamping plates 221 can clamp and fix the lithium battery body 100, and damage to the lithium battery body 100 caused by shaking in the storage shell 210 is avoided, the lithium battery body 100 is located between the two clamping plates 221, the moving plates 222 are arranged on two side walls of each clamping plate 221, the moving plates 222 are slidably arranged in the sliding grooves 217, the limiting springs 223 are arranged between the moving plates 222 and the partition plates 2170, the inner surfaces of the two moving plates 222 are attached, the two moving plates 222 are closely attached under the condition that the limiting springs 223 restore to the original state, the two moving plates 222 are pushed and pulled, the lithium battery body 100 can be respectively placed between the two moving plates 222, so that the limiting springs 223 are compressed, the two moving plates 222 are pushed to inwards to gather under the elastic action that the limiting springs 223 restore the original state, so that the two moving plates 222 clamp the lithium battery body 100, the lithium battery body 100 can be fixed and limited in the storage shell 210, so that the lithium battery body 100 is prevented from shaking, and the service life of the lithium battery body 100 is prolonged;
when the clamping device 220 in this embodiment is used specifically, the two moving plates 222 are pushed and pulled to separate the two moving plates 222, then the lithium battery body 100 is placed between the two moving plates 222, the inner surfaces of the moving plates 222 are tightly attached to the lithium battery body 100, the limiting springs 223 are compressed, the two moving plates 222 are pushed to be gathered inwards under the elastic force of the restoring of the limiting springs 223, the two moving plates 222 clamp the lithium battery body 100, and the lithium battery body 100 is fixed and limited in the storage shell 210.
When the local heat dissipation device 230 in this embodiment is specifically used, the local heat dissipation device 230 is inserted into the slots 212, and the fan blades of the heat dissipation fan 232 rotate to allow external air to enter the storage case 210 from the air holes 214 through the heat dissipation fan 232, so that the air inside the storage case 210 exchanges with the external air to dissipate heat from the outer wall of the lithium battery body 100, and the heat dissipation effect can be changed according to the local heat dissipation devices 230 respectively inserted into the four slots 212.
In this embodiment, the cover is equipped with the shielding cover 211 on the top of the storage shell 210, the inside dimension of the shielding cover 211 is matched with the dimension of the outer wall of the storage shell 210, the shielding cover 211 can be sleeved on the top of the storage shell 210, the opening on the top of the storage shell 210 is shielded, dust is prevented from entering and polluting the lithium battery body 100, the lithium battery body 100 is protected, the handle 2111 is arranged at the center of the top of the shielding cover 211, a plurality of anti-skidding protrusions 2112 are arranged on the outer wall of the handle 2111 at equal intervals, the anti-skidding protrusions 2112 are made of elastic rubber materials, the wear resistance and corrosion resistance are good, the service life of the handle 2111 is prolonged, the shielding cover 211 can be taken down from the top of the storage shell 210 by holding the handle 2111, the operation is convenient, when the handle 2111 is held by the arrangement of the anti-skidding protrusions 2112, the friction force between the handle 2111 is increased, and the slipping is avoided.
Furthermore, the top of the storage shell 210 close to the corner is provided with a rotating rod 213 in a rotating manner, the top of the rotating rod 213 is provided with a limit buckle 2130, the limit buckle 2130 is in a shape of a cuboid arc, the surface of the shielding cover 211 close to the corner is provided with a buckle slot 2113, the internal size of the buckle slot 2113 is matched with the size of the external wall of the limit buckle 2130, when the limit buckle 2130 and the buckle slot 2113 are parallel to each other, the limit buckle 2130 can penetrate through the buckle slot 2113, then the limit buckle 2130 is rotated, the rotating rod 213 rotates at the top of the storage shell 210, the limit buckle 2130 is perpendicular to the cross section of the buckle slot 2113, the shielding cover 211 can be limited at the top of the storage shell 210, the shielding cover 211 is prevented from being separated, the storage shell 210 can be driven to move when the shielding cover 211 is lifted, the carrying is convenient, and the practicability is stronger.
The drying box 2114 is arranged at the center of the bottom of the inner cavity of the shielding cover 211, the drying box 2114 is in a square shell shape, a drying agent is arranged in the inner cavity of the drying box 2114 and can react with water molecules to generate hydrate, so that air is dried, a plurality of through holes 2115 are formed in the bottom of the drying box 2114 at equal intervals, the air in the storage shell 210 can enter the drying box 2114 from the through holes 2115 through the through holes 2115, the interior of the storage shell 210 is kept dry, the outer side of the lithium battery body 100 is kept dry, the use safety of the lithium battery body 100 is guaranteed, a plurality of stirring rods 2116 are rotatably arranged in the drying box 2114, the stirring rods 2116 are in a cylindrical shape, the drying agent in the drying box 2114 can be stirred through rotation of the stirring rods 2116, the drying agent is fully contacted with the air, and the drying efficiency is improved.
Specifically, stirring blades 2117 are arranged on the outer walls of the stirring rods 2116 at equal intervals, the end portions of the stirring rods 2116 extend out of the drying box 2114 and are internally connected with gears 2118, the outer walls of the gears 2118 are meshed and connected, the end portion of one gear 2118 is connected with an output shaft of a stirring motor 2119, the stirring motor 2119 is powered on to work, the output shaft of the stirring motor 2119 drives the stirring rods 2116 to rotate, so that the stirring blades 2117 rotate to stir the drying agent in the drying box 2114, the drying agent is uniformly distributed and reacts with air, the dried air is more uniform, and the drying effect is better.
It should be noted that, the plurality of heat dissipation fins 215 are arranged at equal intervals at the bottom of the inner cavity of the storage case 210, the heat dissipation fins 215 are in a shape of a thin sheet, the heat dissipation fins 215 are made of an aluminum alloy, the top of the heat dissipation fins 215 is coated with heat-conducting silicone grease, the bottom of the lithium battery body 100 is located at the top of the heat dissipation fins 215, and by arranging the heat dissipation fins 215, heat dissipated by the lithium battery body 100 can be conducted to the heat dissipation fins 215 from the top of the heat dissipation fins 215 and then dissipated to the surrounding air through the heat dissipation fins 215, so that the bottom of the lithium battery body 100 is locally dissipated, and the heat dissipation effect is better.
Further, rolling grooves 2315 are formed in the outer walls of two sides of the fixing frame 231, the rolling grooves 2315 are long-strip-shaped bodies with the bottoms opened, a plurality of rollers 2316 are arranged inside the rolling grooves 2315 in an equidistant rotating mode, the rollers 2316 are cylindrical, the rollers 2316 are made of rubber, the outer walls of the rollers 2316 are tightly attached to the inner walls of the slots 212, when the local heat dissipation device 230 is pulled and pulled, the outer wall of the fixing frame 231 slides along the inner walls of the slots 212, the rollers 2316 are driven to rotate inside the rolling grooves 2315, the rollers 2316 roll on the inner walls of the slots 212, the friction resistance between the outer wall of the fixing frame 231 and the inner walls of the slots 212 is reduced, the fixing frame 231 is pushed and pulled more easily, and the local heat dissipation device 230 is conveniently taken out of the slots 212.
Besides, the two surfaces of the fixing frame 231 are both provided with the dust nets 233, the dust nets 233 are made of aluminum-magnesium alloy plates with mesh diameters of 0.1-0.5cm, the heat dissipation fan 232 is located at the center between the two dust nets 233, the inside of the fixing frame 231 can be shielded by arranging the dust nets 233, when fan blades of the heat dissipation fan 232 rotate, dust can be prevented from entering the inside of the fixing frame 231, long-time dust accumulation is caused inside the heat dissipation fan 232 to affect normal use, the service life of the heat dissipation fan 232 is favorably protected, the anti-blocking device 234 is arranged on the inner surface of the dust nets 233 in a sliding mode, the anti-blocking device 234 comprises two symmetrical movable brush plates 2343, the outer surface of each movable brush plate 2343 is provided with a cleaning brush 2344, the end portions of the cleaning brushes 2344 are tightly attached to the inner wall of the dust nets 233, the movable brush plates 2343 slide on the inner side of the dust nets 233, the surfaces of the dust nets 233 can be brushed, long-time dust blockage is avoided, and the ventilation effect of the heat dissipation fan 232 is affected.
The surface of the fixing frame 231 close to the top is provided with a rotating groove 2311, a transmission screw 2312 is rotatably arranged inside the rotating groove 2311, the end part of the transmission screw 2312 is connected with an output shaft of a rotating motor 2313, the rotating motor 2313 is fixedly arranged at the end part of the rotating groove 2311, the rotating motor 2313 is powered on to work, the output shaft of the rotating motor 2313 drives the transmission screw 2312 to rotate inside the rotating groove 2311, the operation is convenient, time and labor are saved, the bottom of the inner cavity of the rotating groove 2311 is provided with two symmetrical moving grooves 2314, and the moving grooves 2314 are communicated with the inner cavity of the fixing frame 231.
Concretely, remove brush board 2343 cross sectional dimension and the inside size of dimension looks adaptation of removal groove 2314, it slides and sets up inside removal groove 2314 to remove brush board 2343 upper end, the top is provided with conveying plate 2341 between two removal brush boards 2343, conveying plate 2341 size of dimension and the adaptation of rotation groove 2311 cross sectional dimension, conveying plate 2341 surface has been seted up silk hole 2342, silk hole 2342 is connected with conveying lead screw 2312 outer wall screw-thread fit, when conveying lead screw 2312 rotates, can drive the silk hole 2342 on conveying plate 2341 surface and slide along the screw thread of conveying lead screw 2312 outer wall, make conveying plate 2341 slide inside rotation groove 2311, thereby it slides inside removal groove 2314 to drive removal brush board 2343, make clearance brush 2344 brush move dust screen 233, and convenient for operation, and complete structure.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. Lithium cell group fixing device based on local heat dissipation, including lithium cell body (100) with lithium cell group fixed establishment (200) in lithium cell body (100) outside, its characterized in that: the lithium battery body (100) is provided with a plurality of, lithium battery pack fixing mechanism (200) includes at least:
the lithium battery storage case comprises a storage case (210), wherein a plurality of lithium battery bodies (100) are located inside the storage case (210), a mounting plate (216) is arranged at the bottom of the storage case (210), mounting screw holes (2160) are formed in the surfaces, close to four corners, of the mounting plate (216), sliding grooves (217) are formed in the inner walls of two sides of the storage case (210), a plurality of partition plates (2170) are arranged in the sliding grooves (217) at equal intervals, a plurality of air holes (214) are formed in the outer wall of the storage case (210), the air holes (214) are communicated with the inside of the storage case (210), and four slots (212) are formed in the edge of the top of the storage case (210);
the clamping device (220) is provided with a plurality of clamping devices (220), the plurality of clamping devices (220) are respectively positioned between the two partition plates (2170), the clamping device (220) comprises two clamping plates (221), the two clamping plates (221) are symmetrical to each other, the lithium battery body (100) is positioned between the two clamping plates (221), two side walls of the two clamping plates (221) are respectively provided with a moving plate (222), the moving plate (222) is arranged in the sliding groove (217) in a sliding mode, a limiting spring (223) is arranged between the moving plate (222) and the partition plates (2170), and the inner surfaces of the two moving plates (222) are attached;
the local heat dissipation device (230) is matched with the inside of the slot (212), the number of the local heat dissipation devices (230) is the same as that of the slot (212), the local heat dissipation device (230) comprises a fixing frame (231), the fixing frame (231) is inserted into the slot (212), and a heat dissipation fan (232) is arranged at the center of the inside of the fixing frame (231);
the storage shell (210) is sleeved with a shielding cover (211), the inner size of the shielding cover (211) is matched with the size of the outer wall of the storage shell (210), a handle (2111) is arranged at the center of the top of the shielding cover (211), a plurality of anti-skid protrusions (2112) are arranged on the outer wall of the handle (2111) at equal intervals, and the anti-skid protrusions (2112) are made of elastic rubber;
the top of the storage shell (210) close to the corners is provided with rotating rods (213) in a rotating mode, the top of each rotating rod (213) is provided with a limiting buckle (2130), each limiting buckle (2130) is in a shape of a cuboid arc, buckling grooves (2113) are formed in the surface of the shielding cover (211) close to the corners, and the inner sizes of the buckling grooves (2113) are matched with the sizes of the outer walls of the limiting buckles (2130);
a drying box (2114) is arranged at the center of the bottom of an inner cavity of the shielding cover (211), the drying box (2114) is in a square shell shape, a drying agent is arranged in the inner cavity of the drying box (2114), a plurality of through holes (2115) are formed in the bottom of the drying box (2114) at equal intervals, a plurality of stirring rods (2116) are rotatably arranged in the drying box (2114), and the stirring rods (2116) are in a cylindrical shape;
stirring blades (2117) are arranged on the outer wall of each stirring rod (2116) at equal intervals, the end portions of the stirring rods (2116) extend out of the drying box (2114), gears (2118) are connected inside the drying box, the outer walls of the gears (2118) are meshed and connected, and one end portion of each gear (2118) is connected with an output shaft of a stirring motor (2119).
2. The lithium battery pack fixing device based on local heat dissipation of claim 1, wherein: the lithium battery is characterized in that a plurality of radiating fins (215) are arranged at the bottom of an inner cavity of the storage shell (210) at equal intervals, the radiating fins (215) are in a thin sheet shape, the radiating fins (215) are made of aluminum alloy materials, heat-conducting silicone grease is coated on the tops of the radiating fins (215), and the bottom of the lithium battery body (100) is located on the tops of the radiating fins (215).
3. The lithium battery pack fixing device based on local heat dissipation of claim 1, wherein: the outer walls of two sides of the fixing frame (231) are respectively provided with a rolling groove (2315), the rolling grooves (2315) are in a long strip shape with the bottom opened, a plurality of rollers (2316) are arranged in the rolling grooves (2315) in an equidistant rotating mode, the rollers (2316) are in a cylindrical shape, the rollers (2316) are made of rubber, and the outer walls of the rollers (2316) are tightly attached to the inner walls of the slots (212).
4. The local heat dissipation-based lithium battery pack fixing device according to claim 1, wherein: fixed frame (231) two surfaces all are provided with dust screen (233), dust screen (233) adopt the mesh diameter to make for 0.1-0.5 cm's almag alloy board, heat dissipation fan (232) are located the center department between two dust screens (233), dust screen (233) internal surface slides and is provided with anti-blocking device (234), prevent blocking device (234) including the removal brush board (2343) of two symmetries, removal brush board (2343) surface is provided with clearance brush (2344), clearance brush (2344) tip with dust screen (233) inner wall closely laminates.
5. The lithium battery pack fixing device based on local heat dissipation of claim 4, wherein: the surface of the fixed frame (231) close to the top is provided with a rotating groove (2311), a conveying screw rod (2312) is rotatably arranged in the rotating groove (2311), the end part of the conveying screw rod (2312) is connected with an output shaft of a rotating motor (2313), the rotating motor (2313) is fixedly arranged at the end part of the rotating groove (2311), the bottom of the inner cavity of the rotating groove (2311) is provided with two symmetrical moving grooves (2314), and the moving grooves (2314) are communicated with the inner cavity of the fixed frame (231).
6. The lithium battery pack fixing device based on local heat dissipation of claim 5, wherein: remove brush board (2343) cross sectional dimension with remove groove (2314) inside dimensions looks adaptation, remove brush board (2343) upper end and slide and set up inside removing groove (2314), two the top is provided with conveying board (2341) between removing brush board (2343), conveying board (2341) size of dimensions with rotate groove (2311) cross sectional dimension looks adaptation, conveying board (2341) surface has seted up screw hole (2342), screw hole (2342) with conveying lead screw (2312) outer wall screw-thread fit is connected.
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