CN215496960U - Unmanned aerial vehicle battery heat abstractor - Google Patents
Unmanned aerial vehicle battery heat abstractor Download PDFInfo
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- CN215496960U CN215496960U CN202120974892.0U CN202120974892U CN215496960U CN 215496960 U CN215496960 U CN 215496960U CN 202120974892 U CN202120974892 U CN 202120974892U CN 215496960 U CN215496960 U CN 215496960U
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- fixedly connected
- aerial vehicle
- unmanned aerial
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- vehicle battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the technical field of unmanned aerial vehicle batteries, and discloses an unmanned aerial vehicle battery heat dissipation device which comprises a battery main body and a protective shell, wherein the battery main body is fixedly installed inside the protective shell, a cooling box is fixedly installed at the bottom of the protective shell, a stepping motor is fixedly connected to the bottom surface inside the cooling box, and an output shaft of the stepping motor is fixedly connected with an arc-shaped rotating wheel. The utility model discloses a, can drive the arc through operation step motor and rotate the wheel, make the damping piece can pull into the tuber pipe, when being close to each other by two damping pieces again, the one-way seal part in the ventilation hole seals and shelters from, squeeze into protective housing's inside cold wind by a tuber pipe, and then make cold wind can be to the battery main part in the protective housing, play the effect of heat dissipation cooling, it is relatively better to make the device reach the radiating effect, thereby make the battery when long-time operation, the temperature is difficult too high, the life and the security of battery have been increased.
Description
Technical Field
The utility model relates to the technical field of unmanned aerial vehicle batteries, in particular to an unmanned aerial vehicle battery heat dissipation device.
Background
An unmanned aircraft, referred to as "drone", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer.
However, when the unmanned aerial vehicle battery runs, high temperature can be generated, and in the long-time running process, the battery assembly can be damaged due to long-time high-temperature running, so that the service life of the battery is further shortened, the heat dissipation effect of the device is relatively general, and therefore the unmanned aerial vehicle battery heat dissipation device is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides the unmanned aerial vehicle battery heat dissipation device which has the advantages that the heat dissipation effect is relatively good, so that the temperature is not easy to be too high when the battery runs for a long time, the service life and the safety of the battery are improved, and the problems that high temperature is possibly generated when the unmanned aerial vehicle battery runs, and in the long-time running process, the battery assembly is possibly damaged due to long-time high-temperature running, the service life of the battery is further shortened, and the heat dissipation effect of the device is relatively general are solved.
(II) technical scheme
In order to realize the purposes that the heat dissipation effect is relatively good, so that the temperature is not easy to be too high when the battery runs for a long time, and the service life and the safety of the battery are prolonged, the utility model provides the following technical scheme: an unmanned aerial vehicle battery heat dissipation device comprises a battery main body and a protective shell, wherein the battery main body is fixedly arranged inside the protective shell, a cooling box is fixedly arranged at the bottom of the protective shell, a stepping motor is fixedly connected to the bottom surface inside the cooling box, an output shaft of the stepping motor is fixedly connected with an arc rotating wheel, two damping blocks are slidably connected inside the cooling box, one opposite sides of the two damping blocks are respectively contacted with the left side and the right side of the arc rotating wheel, two supporting springs are fixedly connected to the opposite sides of the two damping blocks, one ends of the four supporting springs, far away from the damping blocks, are fixedly connected with the cooling box, two ventilation holes are respectively formed inside the two damping blocks, one-way sealing parts are respectively fixedly arranged inside the four ventilation holes, two air outlet pipes are fixedly connected to the bottom surface inside the protective shell, two the bottom of going out the tuber pipe all runs through to the inside of cooler bin, the top fixedly connected with check valve of going out the tuber pipe, the equal fixed mounting in both sides has the income tuber pipe about the cooler bin.
Preferably, two coolers are fixedly connected to the bottom surface of the interior of the cooling box, the two coolers are respectively located on the left side and the right side of the stepping motor, and the bottoms of the two coolers penetrate through the bottom of the cooling box.
Preferably, it is preferred, the equal fixed mounting in the left and right sides of battery main part has the heat-conducting plate, two the equal fixedly connected with evenly distributed's in one side that the heat-conducting plate carried on the back mutually the heat-conducting rod, the heat-conducting rod is kept away from the one end of heat-conducting plate and is run through to the outside of protecting sheathing.
Preferably, the left side and the right side of the protective shell are fixedly connected with radiating blades, and one side, opposite to the two radiating blades, of each radiating blade is fixedly connected with the heat conducting rod.
Preferably, the arc-shaped rotating wheel comprises a driving main wheel, the bottom of the driving main wheel is fixedly connected with an output shaft of the stepping motor, the left side and the right side of the driving main wheel are respectively contacted with the two damping blocks, a positioning column is fixedly connected to the top of the driving main wheel, and the top of the positioning column is rotatably connected with the cooling box.
Preferably, the top surface and the bottom surface of the interior of the cooling box are fixedly provided with two positioning blocks, four positioning blocks are located between the two damping blocks, four positioning blocks are located on one sides of the two air inlet pipes, which are opposite to each other, and the interior of the air inlet pipes is fixedly provided with a breathable dust guard.
Preferably, it is preferred, one-way sealing member is including fixed frame, the inboard fixedly connected with slide bar of fixed frame, the slide bar is close to one side that the arc rotated the wheel and extends to the inboard in ventilation hole, the slide bar is close to one side fixedly connected with that the arc rotated the wheel and keeps out the wind the stopper, keep out wind stopper sliding connection in the inside in ventilation hole, the outside cover of slide bar is equipped with the elasticity spring, the both ends of elasticity spring respectively with fixed frame and keep out wind stopper fixed connection.
Preferably, the left side and the right side of the protective shell are embedded with dustproof breathable nets.
(III) advantageous effects
Compared with the prior art, the utility model provides an unmanned aerial vehicle battery heat dissipation device, which has the following beneficial effects:
1. can drive the arc through operation step motor and rotate the wheel, make supporting spring cooperation arc rotate two damping pieces of wheel extrusion, make two damping pieces be reciprocating motion, can be close to each other or keep away from each other, make the damping piece can pull into the tuber pipe, when being close to each other by two damping pieces again, one-way seal part in the ventilation hole seals and shelters from, squeeze into protective housing's inside cold wind by a tuber pipe, and then make cold wind can be to the battery main part in the protective housing, play the effect of heat dissipation cooling, it is relatively better to make the device reach the radiating effect, thereby make the battery when long-time operation, the temperature is difficult for too high, the life and the security of battery have been increased.
2. This unmanned aerial vehicle battery heat abstractor through two coolers at the inside bottom surface fixedly connected with of cooler bin, the cooler has the effect of cooling, and then makes the temperature of air in the cooler bin lower relatively, has further increased the radiating effect of device.
3. This unmanned aerial vehicle battery heat abstractor has the heat-conducting plate through the equal fixed mounting in the left and right sides of battery main part, makes the heat in the battery main part, and the accessible heat-conducting plate conducts heat, then derives protective housing by the heat conduction pole the heat, has further promoted the heat-sinking capability of device.
4. This unmanned aerial vehicle battery heat abstractor through the equal fixedly connected with radiator vane in the left and right sides at protecting sheathing, makes the heat that the heat conduction pole was derived, can dispel the heat by radiator vane, and then makes the heat can dispel the heat sooner, has increased the heat-sinking capability of device.
5. This unmanned aerial vehicle battery heat abstractor rotates the wheel including driving main wheel and reference column through setting up the arc, and step motor is when the operation, and rotatable drive main wheel, the reference column can play the positioning action to driving the main wheel, makes the device remain stable throughout.
6. This unmanned aerial vehicle battery heat abstractor has two locating pieces through the equal fixed mounting in the top surface of cooler bin inside and bottom surface for the locating piece can play spacing effect to the damping piece, increases the practicality of device.
7. This unmanned aerial vehicle battery heat abstractor, including fixed frame, the slide bar through setting up one-way sealing part, keep out wind stopper and elastic spring, fixed frame can play the supporting role to the slide bar, the stopper of keeping out the wind can seal the ventilation hole, when making two damping pieces be close to each other, pressure can promote the stopper of keeping out the wind, the stopper of making keeping out the wind can seal the ventilation hole, when two damping pieces keep away from each other, the stopper of keeping out the wind is kept out the wind in the wind-force pulling, the stopper of keeping out the wind makes and keeps away from the ventilation hole, and then reach ventilation effect, the radiating effect who makes the device is better relatively.
8. This unmanned aerial vehicle battery heat abstractor all inlays through the left and right sides at protecting sheathing and is equipped with dustproof ventilative net for protecting sheathing's inside has heat dissipation ventilation ability, has further promoted the heat-sinking capability of device.
Drawings
FIG. 1 is an elevational, cross-sectional view of the structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of portion B of FIG. 2 in accordance with the present invention;
FIG. 4 is a top sectional view of the connecting structure of the arc-shaped rotating wheel and the damping block of the present invention.
In the figure: 1. a battery main body; 2. a protective housing; 3. a cooling tank; 4. a stepping motor; 5. an arc-shaped rotating wheel; 501. driving the main wheel; 502. a positioning column; 6. a damping block; 7. a support spring; 8. a vent hole; 9. a one-way sealing member; 901. a fixing frame; 902. a slide bar; 903. a wind blocking plug; 904. an elastic spring; 10. an air outlet pipe; 11. a one-way valve; 12. an air inlet pipe; 13. a cooler; 14. a heat conducting plate; 15. A heat conducting rod; 16. a heat dissipating fin; 17. positioning blocks; 18. a breathable dust guard; 19. dustproof ventilative net.
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. 1-4, an unmanned aerial vehicle battery heat dissipation device comprises a battery main body 1 and a protective housing 2, the battery main body 1 is fixedly installed inside the protective housing 2, a cooling box 3 is fixedly installed at the bottom of the protective housing 2, a stepping motor 4 is fixedly connected to the bottom surface inside the cooling box 3, an arc-shaped rotating wheel 5 is fixedly connected to an output shaft of the stepping motor 4, two damping blocks 6 are slidably connected inside the cooling box 3, opposite sides of the two damping blocks 6 are respectively contacted with the left side and the right side of the arc-shaped rotating wheel 5, two supporting springs 7 are fixedly connected to opposite sides of the two damping blocks 6, one ends of the four supporting springs 7 far away from the damping blocks 6 are respectively fixedly connected with the cooling box 3, two ventilation holes 8 are respectively formed inside the two damping blocks 6, and a one-way sealing component 9 is fixedly installed inside the four ventilation holes 8, the bottom surface of the interior of the protective shell 2 is fixedly connected with two air outlet pipes 10, the bottoms of the two air outlet pipes 10 penetrate through the interior of the cooling box 3, the top ends of the air outlet pipes 10 are fixedly connected with one-way valves 11, the left side and the right side of the cooling box 3 are fixedly provided with air inlet pipes 12, the arc-shaped rotating wheel 5 can be driven by operating the stepping motor 4, the supporting spring 7 is matched with the arc-shaped rotating wheel 5 to extrude the two damping blocks 6, the two damping blocks 6 can reciprocate and approach or separate from each other, the damping blocks 6 can pull the air inlet pipes 12, when the two damping blocks 6 approach each other, the one-way sealing part 9 in the air vent 8 is sealed and shielded, cold air is extruded into the interior of the protective shell 2 through the air outlet pipes 10, and then the cold air can cool the battery main body 1 in the protective shell 2, thereby playing a role of heat dissipation and temperature reduction and ensuring that the device achieves a relatively good heat dissipation effect, therefore, when the battery runs for a long time, the temperature is not easy to be overhigh, and the service life and the safety of the battery are prolonged.
Further, two coolers 13 of inside bottom surface fixedly connected with of cooler bin 3, two coolers 13 are located step motor 4's the left and right sides respectively, and the bottom of two coolers 13 all runs through to the bottom of cooler bin 3, and through two coolers 13 of inside bottom surface fixedly connected with of cooler bin 3, cooler 13 has the effect of cooling, and then makes the temperature of air in cooler bin 3 lower relatively, has further increased the radiating effect of device.
Further, the equal fixed mounting in the left and right sides of battery main part 1 has heat-conducting plate 14, the equal fixedly connected with evenly distributed's in one side that two heat-conducting plates 14 carried on the back mutually conducting heat pole 15, the one end that heat-conducting plate 14 was kept away from to heat-conducting rod 15 runs through to protective housing 2's outside, there is heat-conducting plate 14 through the equal fixed mounting in the left and right sides of battery main part 1, make the heat in battery main part 1, accessible heat-conducting plate 14 conducts heat, then derive protective housing 2 to the heat by heat-conducting rod 15, the heat-sinking capability of device has further been promoted.
Further, the equal fixedly connected with radiator vane 16 in the left and right sides of protective housing 2, one side that two radiator vane 16 are relative and heat conduction pole 15 fixed connection, through the equal fixedly connected with radiator vane 16 in the left and right sides of protective housing 2, the heat that makes heat conduction pole 15 derive can be dispelled the heat by radiator vane 16, and then makes the heat can dispel the heat sooner, has increased the heat-sinking capability of device.
Further, the arc rotates wheel 5 including driving main wheel 501, the output shaft fixed connection of the bottom of driving main wheel 501 and step motor 4, the left and right sides that drives main wheel 501 contacts with two damping piece 6 respectively, the top fixedly connected with reference column 502 that drives main wheel 501, the top and the cooler bin 3 of reference column 502 rotate and are connected, rotate wheel 5 including driving main wheel 501 and reference column 502 through setting up the arc, step motor 4 is when moving, rotatable drive main wheel 501, reference column 502 can play the positioning action to driving main wheel 501, make the device remain stable throughout.
Further, the top surface and the bottom surface of the cooling box 3 are fixedly provided with two positioning blocks 17, the four positioning blocks 17 are located between the two damping blocks 6, the four positioning blocks 17 are located on one side of two inlet air pipes 12, which are back to back, the inside of the two inlet air pipes 12 is fixedly provided with a breathable dust guard 18, and the two positioning blocks 17 are fixedly provided with the top surface and the bottom surface of the cooling box 3, so that the positioning blocks 17 can limit the damping blocks 6, and the practicability of the device is improved.
Further, the one-way sealing component 9 comprises a fixing frame 901, a sliding rod 902 is fixedly connected to the inner side of the fixing frame 901, one side of the sliding rod 902, which is close to the arc-shaped rotating wheel 5, extends to the inner side of the ventilation hole 8, a wind blocking plug 903 is fixedly connected to one side of the sliding rod 902, which is close to the arc-shaped rotating wheel 5, the wind blocking plug 903 is slidably connected to the inner side of the ventilation hole 8, an elastic spring 904 is sleeved on the outer portion of the sliding rod 902, two ends of the elastic spring 904 are respectively fixedly connected with the fixing frame 901 and the wind blocking plug 903, by arranging the one-way sealing component 9 comprising the fixing frame 901, the sliding rod 902, the wind blocking plug 903 and the elastic spring 904, the fixing frame 901 can support the sliding rod 902, the wind blocking plug 903 can seal the ventilation hole 8, when the two damping blocks 6 are close to each other, the wind blocking plug 903 can seal the ventilation hole 8 by pushing pressure, when the two damping blocks 6 are far away from each other, wind power pulls the wind blocking plug 903, so that the wind blocking plug 903 is far away from the vent hole 8, and further, the ventilation effect is achieved, and the heat dissipation effect of the device is relatively good.
Further, the left and right sides of protecting sheathing 2 all inlays and is equipped with dustproof ventilative net 19, all inlays through the left and right sides at protecting sheathing 2 and is equipped with dustproof ventilative net 19 for protecting sheathing 2's inside has heat dissipation ventilation ability, has further promoted the heat-sinking capability of device.
The model of the stepping motor 4 used by the utility model can be HS42, the model of the cooler 13 can be SR-J40S, the cooler is provided with a control switch matched with the cooler, and the installation position of the control switch can be selected according to the actual use requirement.
The working principle is as follows: the battery body 1 is arranged in the protective shell 2, so that the protective shell 2 can support the battery body 1, the stepping motor 4 in the cooling box 3 can drive the arc-shaped rotating wheel 5 during operation, the supporting spring 7 is matched with the arc-shaped rotating wheel 5 to extrude the two damping blocks 6, the two damping blocks 6 can reciprocate and can approach to or separate from each other, the damping blocks 6 can pull the air inlet pipe 12, cold air can enter the cooling box 3 from the air inlet pipe 12, then the cold air can enter between the two damping blocks 6 through the air vent 8 when the damping blocks 6 are separated from each other, when the two damping blocks 6 approach to each other, the one-way sealing part 9 in the air vent 8 can carry out sealing and shielding, the cold air can be extruded into the protective shell 2 from the air outlet pipe 10, and further the battery body 1 in the protective shell 2 can be cooled by heat dissipation, so that the device achieves relatively good heat dissipation effect, thereby make the battery when long-time operation, the temperature is difficult too high, has increased the life and the security of battery, has solved the unmanned aerial vehicle battery when the operation, probably produces the high temperature, at long-time operation in-process, because long-time high temperature operation, probably produces the damage to battery pack, and then has reduced the life of battery, the radiating effect of device problem general relatively.
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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an unmanned aerial vehicle battery heat abstractor, includes battery main part (1) and protecting sheathing (2), its characterized in that: the battery main body (1) is fixedly arranged inside the protective shell (2), the cooling box (3) is fixedly arranged at the bottom of the protective shell (2), the stepping motor (4) is fixedly connected to the bottom surface inside the cooling box (3), the arc-shaped rotating wheel (5) is fixedly connected to an output shaft of the stepping motor (4), two damping blocks (6) are slidably connected inside the cooling box (3), one sides of the two damping blocks (6) opposite to each other are respectively contacted with the left side and the right side of the arc-shaped rotating wheel (5), two supporting springs (7) are fixedly connected to one sides of the two damping blocks (6) opposite to each other, one ends of the four supporting springs (7) far away from the damping blocks (6) are fixedly connected with the cooling box (3), two ventilation holes (8) are formed inside the two damping blocks (6), and one-way sealing parts (9) are fixedly arranged inside the four ventilation holes (8), two air-out pipes (10) of bottom surface fixedly connected with of protecting sheathing (2) inside, two the bottom of air-out pipe (10) all runs through to the inside of cooler bin (3), the top fixedly connected with check valve (11) of air-out pipe (10), the equal fixed mounting in the left and right sides of cooler bin (3) has into tuber pipe (12).
2. The unmanned aerial vehicle battery heat abstractor of claim 1, characterized in that: the bottom surface fixedly connected with two coolers (13) of cooling tank (3) inside, two cooler (13) are located the left and right sides of step motor (4) respectively, two the bottom of cooler (13) all runs through to the bottom of cooling tank (3).
3. The unmanned aerial vehicle battery heat abstractor of claim 1, characterized in that: the equal fixed mounting in the left and right sides of battery main part (1) has heat-conducting plate (14), two the equal fixedly connected with evenly distributed's in one side heat-conducting rod (15) is carried on the back in heat-conducting plate (14), the one end that heat-conducting rod (15) were kept away from heat-conducting plate (14) runs through to the outside of protecting sheathing (2).
4. The unmanned aerial vehicle battery heat abstractor of claim 3, characterized in that: the heat dissipation device is characterized in that the left side and the right side of the protective shell (2) are fixedly connected with heat dissipation blades (16), and one side, opposite to the heat dissipation blades (16), is fixedly connected with a heat conduction rod (15).
5. The unmanned aerial vehicle battery heat abstractor of claim 1, characterized in that: the arc rotates wheel (5) including driving main wheel (501), the output shaft fixed connection of the bottom of driving main wheel (501) and step motor (4), the left and right sides that drives main wheel (501) contacts with two damping piece (6) respectively, the top fixedly connected with reference column (502) that drives main wheel (501), the top and the cooler bin (3) of reference column (502) rotate and are connected.
6. The unmanned aerial vehicle battery heat abstractor of claim 1, characterized in that: the top surface and the bottom surface of the interior of the cooling box (3) are fixedly provided with two positioning blocks (17) and four the positioning blocks (17) are located between the two damping blocks (6) and four the positioning blocks (17) are located on one side of each of two air inlet pipes (12) which are opposite to each other, and the interior of each air inlet pipe (12) is fixedly provided with a breathable dust guard (18).
7. The unmanned aerial vehicle battery heat abstractor of claim 1, characterized in that: one-way sealing member (9) are including fixed frame (901), inboard fixedly connected with slide bar (902) of fixed frame (901), slide bar (902) are close to the arc and rotate one side of wheel (5) and extend to the inboard in ventilation hole (8), slide bar (902) are close to one side fixedly connected with that arc rotates wheel (5) and keep out the wind stopper (903), keep out wind stopper (903) sliding connection in the inside in ventilation hole (8), elastic spring (904) are established to the outside cover of slide bar (902), the both ends of elastic spring (904) respectively with fixed frame (901) with keep out wind stopper (903) fixed connection.
8. The unmanned aerial vehicle battery heat abstractor of claim 1, characterized in that: and dustproof breathable nets (19) are embedded in the left side and the right side of the protective shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120974892.0U CN215496960U (en) | 2021-05-09 | 2021-05-09 | Unmanned aerial vehicle battery heat abstractor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120974892.0U CN215496960U (en) | 2021-05-09 | 2021-05-09 | Unmanned aerial vehicle battery heat abstractor |
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| CN215496960U true CN215496960U (en) | 2022-01-11 |
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| CN202120974892.0U Expired - Fee Related CN215496960U (en) | 2021-05-09 | 2021-05-09 | Unmanned aerial vehicle battery heat abstractor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114784417A (en) * | 2022-06-21 | 2022-07-22 | 深圳市昂佳科技有限公司 | Heat dissipation shell for unmanned aerial vehicle battery |
-
2021
- 2021-05-09 CN CN202120974892.0U patent/CN215496960U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114784417A (en) * | 2022-06-21 | 2022-07-22 | 深圳市昂佳科技有限公司 | Heat dissipation shell for unmanned aerial vehicle battery |
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