CN215496843U

CN215496843U - Unmanned aerial vehicle battery heat radiation structure and unmanned aerial vehicle

Info

Publication number: CN215496843U
Application number: CN202120901465.XU
Authority: CN
Inventors: 陈国强; 徐登峰
Original assignee: Zhejiang Huafei Intelligent Technology Co ltd
Current assignee: Zhejiang Huafei Intelligent Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-01-11
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses an unmanned aerial vehicle battery heat radiation structure and an unmanned aerial vehicle. This unmanned aerial vehicle battery heat radiation structure is including being in the battery casing on the flow direction of the wind that the paddle produced, be provided with battery pack in the battery casing and with the radiator unit of battery pack heat conduction connection, battery casing is provided with the inside and outside thermovent of intercommunication battery casing, radiator unit exposes in the battery casing outside so that the wind and the radiator unit contact that the paddle produced from the thermovent. The utility model has the beneficial effects that: this unmanned aerial vehicle battery heat radiation structure need not to use the fan, can be with battery pack's heat escape to make battery housing be used for the space increase of storage battery subassembly, can place the battery pack who has large capacity electric core.

Description

Unmanned aerial vehicle battery heat radiation structure and unmanned aerial vehicle

Technical Field

The utility model relates to an aircraft, in particular to an unmanned aerial vehicle battery heat dissipation structure and an unmanned aerial vehicle.

Background

Along with the development of the unmanned aerial vehicle industry, unmanned aerial vehicles are more and more widely used. In order to guarantee the endurance of unmanned aerial vehicle flight, unmanned aerial vehicle's battery capacity is higher and higher, and the electric core consumption of battery is corresponding also bigger and bigger. Therefore, heat dissipation of the battery is required to ensure stable operation of the battery. Unmanned aerial vehicle will generally set up the battery casing who is used for storage battery, and the electricity core is placed inside the battery. At this moment, current unmanned aerial vehicle often can set up radiating block and fan in the battery casing. The heat of the battery is transferred to the radiating block, and the fan radiates the heat of the radiating block to realize the heat discharge of the battery. However, the provision of the fan may result in a reduction in the space of the battery case for storing the battery, and thus, the placement of the battery with a large-capacity cell may be difficult, and improvement is desired.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a battery heat dissipation structure of an unmanned aerial vehicle. This unmanned aerial vehicle battery heat radiation structure need not to use the fan, can be with battery pack's heat escape to make battery housing be used for the space increase of storage battery subassembly, can place the battery pack who has large capacity electric core.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides an unmanned aerial vehicle battery heat radiation structure, is including being in the ascending battery casing of the flow direction of the wind that the paddle produced, be provided with battery pack in the battery casing and with the radiator unit that battery pack heat conduction is connected, battery casing is provided with the intercommunication the inside and outside thermovent of battery casing, radiator unit follows the thermovent exposes in the battery casing outside so that the wind that the paddle produced with the radiator unit contacts.

Through adopting above-mentioned technical scheme, at unmanned aerial vehicle during operation, unmanned aerial vehicle's paddle is in the rotating-state. The air flow rate above the paddle and the air flow rate below the paddle are different, so that air pressure difference can be generated above the paddle and below the paddle, and the unmanned aerial vehicle flies by means of the air pressure difference above the paddle and below the paddle. Simultaneously, the blades drive the air to flow, thereby forming wind. When the unmanned aerial vehicle works, heat generated by the battery assembly can be transferred to the heat dissipation assembly, and the heat dissipation assembly is exposed out of the battery shell from the heat dissipation opening, so that the heat of the heat dissipation assembly can be transferred out of the battery shell from the heat dissipation opening. The battery shell is located in the flowing direction of wind generated by the blades, and the heat dissipation assembly is exposed outside the battery shell from the heat dissipation port, so that the heat dissipation assembly can be in contact with the wind generated by the blades, the heat of the heat dissipation assembly can be taken away quickly, and the heat of the battery assembly can be discharged in time. And at this moment, this unmanned aerial vehicle heat radiation structure need not to use the fan, can discharge battery pack's heat fast to make battery housing be used for the space increase of storage battery subassembly, can place the battery pack who has large capacity electric core.

The utility model is further configured to: the heat dissipation assembly extends out of the battery shell from the heat dissipation opening.

Through adopting above-mentioned technical scheme, compare and still be located the battery pack in radiator unit, only the condition of the wind contact that produces through thermovent and paddle, radiator unit stretches out battery pack from the thermovent, can increase the area of contact of the wind that radiator unit and paddle produced, radiator unit's heat can further be accelerated by exhaust speed, thereby further ensure that this unmanned aerial vehicle battery heat radiation structure need not to use the fan can be with radiator unit's heat exhaust effect, thereby make battery pack be used for the space increase of storage battery pack, can place the battery pack who has large capacity electricity core.

The utility model is further configured to: the battery pack comprises an electric core and a battery protection board, the heat dissipation assembly comprises an electric core heat dissipation block and a mainboard heat dissipation block, the electric core heat dissipation block is in heat conduction connection with the electric core, the mainboard heat dissipation block is in heat conduction connection with the battery protection board, the electric core and the battery protection board are arranged at intervals, and the electric core heat dissipation block and the mainboard heat dissipation block are arranged at intervals.

Through adopting above-mentioned technical scheme, electric core and battery protection shield are the parts that generate heat. If electric core and battery protection board only dispel the heat through electric core radiating block or mainboard radiating block, then the radiating effect is relatively poor. And with electric core and battery protection shield respectively through electric core radiating block and mainboard radiating block dispel the heat to can accelerate the radiating efficiency, promote the radiating effect. Meanwhile, the battery core and the battery protection board are arranged at intervals, and the battery core radiating block and the mainboard radiating block are arranged at intervals, so that heat transfer between the battery core and the battery protection board and between the battery core radiating block and the mainboard radiating block are avoided, and the battery core and the battery protection board cannot be timely radiated.

The utility model is further configured to: along the direction that the radiating component extends towards the heat dissipation opening, the battery core and the battery protection board are arranged in a stacked mode.

Through adopting above-mentioned technical scheme, along the direction that radiator unit extends towards the thermovent, partly coincidence takes place at least for electric core and mainboard radiating block or partly coincidence takes place at least for battery protection board and electric core radiating block to be favorable to reducing battery pack's space and occupy, make the battery pack that has more capacity electric core can be placed to the same volumetric battery casing.

The utility model is further configured to: the battery core heat dissipation block comprises a battery core main body part and a battery core fin part, the battery core main body part is positioned in a battery shell, and the battery core fin part extends out of the battery shell from the heat dissipation port; and/or

The main board radiating block comprises a main board main body part and a main board fin part, the main board main body part is located in the battery shell, and the main board fin part extends out of the battery shell from the radiating hole.

The utility model is further configured to: the battery core radiating block comprises a battery core main body part and a battery core fin part, the mainboard radiating block comprises a main board main body part and a main board fin part, the battery core fin part and the main board fin part are all driven by the radiating port to stretch out the battery shell body and stretch out the battery core fin part, the length of the battery shell body is greater than that of the main board fin part to stretch out the length of the battery shell body.

The utility model is further configured to: the battery pack comprises a plurality of battery cell units, wherein a sub-heating plate is connected between the side surfaces of two adjacent battery cell units in a heat conduction mode, and the sub-heating plate is connected with the heat dissipation assembly in a heat conduction mode.

Through adopting above-mentioned technical scheme, the side surface area of electric core unit is great, and the side heat conduction of sub-heating panel and electric core unit is connected to can accelerate to carry out heat transfer between electric core unit and the sub-heating panel, thereby accelerate battery pack's radiating efficiency, promote the radiating effect.

The utility model is further configured to: the battery pack further comprises a total heat dissipation plate, and the total heat dissipation plate is in heat conduction connection with the plurality of sub heat dissipation plates and the heat dissipation assembly.

Through adopting above-mentioned technical scheme, if radiator unit carries out heat transfer with every sub-heating panel butt alone, then need set up a large amount of radiator unit, battery case correspondingly need set up a large amount of thermovents, leads to battery case's structural strength to descend. And the heat of sub-heating panel assembles total heating panel earlier, is transmitted the heat radiation subassembly by total heating panel again to can reduce heat radiation subassembly's use, thereby reduce the quantity of thermovent, ensure battery case's structural strength.

The utility model is further configured to: and the two ends of the sub-heat-radiating plate are respectively provided with a first limiting plate and a second limiting plate, and the first limiting plate and the second limiting plate are respectively abutted against the end faces of the two battery cell units positioned on the two sides of the sub-heat-radiating plate.

Through adopting above-mentioned technical scheme, the heat of electricity core unit also can be followed the terminal surface transmission of electricity core unit and given first limiting plate and second limiting plate, and first limiting plate and second limiting plate homoenergetic carry out the heat transfer with the sub-radiator plate to make the heat of first limiting plate and second limiting plate can transmit radiator unit, thereby accelerate the radiating efficiency of battery, promote the radiating effect. In addition, the battery cell units on two sides of the sub-cooling plate can be relatively positioned due to the arrangement of the first limiting plate and the second limiting plate.

Another object of the present invention is to provide an unmanned aerial vehicle, including the battery heat radiation structure of the unmanned aerial vehicle as described above.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an exploded view of the upper cover, the lower cover, the battery assembly and the heat sink assembly of the embodiment of the present invention;

fig. 3 is a schematic structural diagram of an upper battery cover, a lower battery cover, a battery assembly and a heat dissipation assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a battery cell in an embodiment of the present invention.

Reference numerals: 1. an unmanned aerial vehicle housing; 2. a battery case; 3. a battery upper case; 4. a battery lower case; 5. a battery assembly; 6. a heat dissipating component; 7. a connector assembly; 8. an electric core; 9. a battery protection plate; 10. a battery core heat dissipation block; 101. a cell main body part; 102. a battery cell fin part; 11. a heat dissipation block of the mainboard; 111. a main board main body portion; 112. a main plate fin portion; 12. a heat conductive member; 13a, a battery core heat dissipation port; 13b, a mainboard heat dissipation port; 14. a cell unit; 15. a sub-radiator plate; 16. a first limit plate; 17. a second limiting plate; 18. a total heat dissipation plate; 19. and a third limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent 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 any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, an embodiment of the present invention first provides an unmanned aerial vehicle battery heat dissipation structure, which includes an unmanned aerial vehicle housing 1 and a battery housing 2. The battery case 2 includes a battery upper case 3 having an open lower end and a battery lower case 4 having an open upper end, and the opening of the battery upper case 4 is aligned with the opening of the battery lower case 3, so that the battery upper case 4 and the battery lower case 3 jointly enclose a battery compartment. The drone casing 1 is provided with an opening for the battery casing 2 to snap into. Battery epitheca 3 is located the outside of unmanned aerial vehicle casing 1, and battery inferior valve 4 is located the inboard of unmanned aerial vehicle casing 1, promptly, refer to the position shown in fig. 1, and battery epitheca 3 and battery inferior valve 4 are located the upper and lower both sides of unmanned aerial vehicle casing 1 respectively. The battery upper case 3 and the battery lower case 4 are both attached to the unmanned aerial vehicle case 1 to fix the relative positional relationship of the battery case 2 and the unmanned aerial vehicle case 1. When the unmanned aerial vehicle works, the blades of the unmanned aerial vehicle are in a rotating state. The air flow rate above the paddle and the air flow rate below the paddle are different, so that air pressure difference can be generated above the paddle and below the paddle, and the unmanned aerial vehicle flies by means of the air pressure difference above the paddle and below the paddle. Simultaneously, the blades drive the air to flow, thereby forming wind. Referring to fig. 1, the direction indicated by the arrow is the flow direction of the wind generated by the blade, and in the assembled state, the battery upper case 3 is just against the flow direction of the wind generated by the blade.

Referring to fig. 1 and 2, a battery module 5, a heat dissipation module 6, and a connector 7 are provided in the battery case 2. Utilize battery epitheca 3 and battery inferior valve 4 to enclose into battery pack 5's battery housing 2 to play the guard action to battery pack 5, avoid battery pack 5 to suffer from the collision and the wind-blown insolate of foreign object in unmanned aerial vehicle working process, thereby prolong battery pack 5's life.

Referring to fig. 2 and 3, the battery assembly 5 includes a battery core 8 and a battery protection plate 9. Electric core 8 sets up in battery inferior valve 4, and connector 7 is fixed in battery inferior valve 4 through the screw. The connector 7 is electrically connected with the battery core 8 and the battery protection board 9 respectively, so that the electrical connection between the battery core 8 and the battery protection board 9 is realized. In one embodiment, the battery protection plate 9 may be fixed to the battery upper case 3 by screws.

Referring to fig. 2 and 3, the heat dissipation assembly 6 includes a cell heat dissipation block 10 thermally connected to the cell 8 and a motherboard heat dissipation block 11 thermally connected to the battery protection board 9, respectively. It is understood that the heat-conducting connection between the cell heat dissipation block 10 and the cell 8 includes, but is not limited to, a contact-type heat-conducting connection, and in some embodiments, an intermediate member capable of transferring heat therebetween may be further disposed between the two. Similarly, the heat-conducting connection between the battery protection board 9 and the motherboard heat sink 11 includes, but is not limited to, contact-type heat-conducting connection, and there may also be an intermediate member capable of transferring heat therebetween.

In one embodiment, referring to fig. 2 and 3, a heat conducting member 12 is disposed between the battery protection plate 9 and the motherboard heat sink 11, and the heat conducting member 12 may be selected from a heat conducting pad or a heat conducting silicone grease. Thus, the heat-conducting member 12 can better ensure reliable heat transfer between the battery protection board 9 and the motherboard heat-dissipating block 11.

Referring to fig. 2 and 3, the cell heat dissipation block 10 and the motherboard heat dissipation block 11 may be fixed to the battery upper case 3 by screws or glue. Battery 8 and battery protection board 9 interval setting in the vertical direction, and battery 8 and battery protection board 9 range upon range of setting in the preset direction, in the embodiment shown in fig. 3, battery 8 and battery protection board 9 range upon range of setting in the vertical direction to can make battery protection board 9 and battery core radiating block 10 take place partial coincidence at least in the vertical direction, thereby be favorable to reducing the space of battery pack 5 and occupy, make same volumetric battery casing 2 can place the battery pack 5 that has more capacity electricity core.

Referring to fig. 2 and 3, the cell heat dissipation block 10 and the motherboard heat dissipation block 11 are arranged at intervals in a preset direction, and in the embodiment illustrated in fig. 3, the cell heat dissipation block 10 and the motherboard heat dissipation block 11 are arranged at intervals left and right in a horizontal direction. The battery core 8 and the battery protection plate 9 are both heating components. Compared with the battery core 8 and the battery protection board 9 which only radiate through the battery core radiating block 10 or the mainboard radiating block 11, the radiating effect is poor. And with electric core 8 and battery protection board 9 respectively through electric core radiating block 10 and mainboard radiating block 11 dispel the heat to accelerate the radiating efficiency, promote the radiating effect. Simultaneously, electricity core 8 and battery protection shield 9 interval set up, avoid producing heat transfer between electricity core 8 and the battery protection shield 9 to avoid leading to separately unable in time heat dissipation of obtaining of electricity core 8 and battery protection shield 9.

Referring to fig. 2, the battery upper case 3 is provided with a battery core heat dissipation port 13a and a motherboard heat dissipation port 13b which are respectively used for the battery core heat dissipation block 10 and the motherboard heat dissipation block 11 to extend out of the battery case 2, and corresponding to the interval arrangement mode of the battery core heat dissipation block 10 and the motherboard heat dissipation block 11, the battery core heat dissipation port 13a and the motherboard heat dissipation port 13b are also arranged at intervals, so that a gap exists between the positions of the battery core heat dissipation block 10 and the motherboard heat dissipation block 11 which extend out of the battery case 2, thereby avoiding the generation of heat transfer between the battery core heat dissipation block 10 and the motherboard heat dissipation block 11, and avoiding the situation that the battery core 8 and the battery protection board 9 cannot be cooled in time.

When the unmanned aerial vehicle works, heat generated by the battery core 8 can be transmitted to the battery core radiating block 10, heat generated by the battery protection plate 9 can be transmitted to the mainboard radiating block 11, and the battery core radiating block 10 and the mainboard radiating block 11 are respectively exposed out of the battery shell 2 from the battery core radiating port 13a and the mainboard radiating port 13b, so that the heat of the battery core radiating block 10 and the heat of the mainboard radiating block 11 can be respectively transmitted out of the battery shell 2 from the battery core radiating port 13a and the mainboard radiating block 13 b. And the wall surface of the battery shell 2 provided with the two heat dissipation ports faces the flowing direction of the wind generated by the paddle, so that the battery core heat dissipation block 10 and the mainboard heat dissipation block 11 can be in contact with the wind generated by the paddle, and further the heat of the battery core heat dissipation block 10 and the heat of the mainboard heat dissipation block 11 can be taken away quickly, and the heat of the battery assembly 5 can be discharged in time. This unmanned aerial vehicle heat radiation structure need not to use the fan, can be with radiator unit 6's heat escape to make battery housing 2 be used for the space increase of storage battery subassembly 5, can place battery subassembly 5 that has large capacity electric core. Compare in that electric core radiating block 10 and mainboard radiating block 11 are all located battery housing 2, just respectively through the implementation mode of the wind contact that electric core thermovent 13a and mainboard radiating block 13b and paddle produced, battery housing 2 is stretched out from electric core thermovent 13a and mainboard thermovent 13b respectively to electric core radiating block 10 and mainboard radiating block 11, can increase the area of contact of the wind that electric core radiating block 10 and mainboard radiating block 11 and paddle produced, the heat of radiator unit 6 can further be accelerated by exhaust speed, thereby further ensure that this unmanned aerial vehicle heat radiation structure need not to use the fan can be with radiator unit 6's heat exhaust effect, thereby make battery housing 2 be used for the space increase of storage battery unit 5, can place the battery unit 5 that has large capacity electricity core.

Referring to fig. 2 and 3, the cell heat dissipation block 10 includes a cell main body portion 101 and a cell fin portion 102. The motherboard heat radiation block 11 includes a motherboard main body portion 111 and a motherboard fin portion 112. The cell body 101 and the motherboard body 111 are located in the battery case 2, and the cell fin portion 102 and the motherboard fin portion 112 respectively extend out of the battery case 2 through the cell heat dissipation port 13a and the motherboard heat dissipation port 13 b. In one embodiment, the length of the cell fin portion 102 extending out of the battery case 2 is greater than the length of the main plate fin portion 112 extending out of the battery case 2.

Referring to fig. 4, the battery cell 8 includes a plurality of cell units 14 whose side surfaces overlap each other. A sub-heat dissipation plate 15 is abutted between the side surfaces of two adjacent cell units 14. The surface area of the side surfaces of the battery cell units 14 is large, and the side surfaces of two adjacent battery cell units 14 are close to each other, so that heat is not easy to dissipate. With the side butt of sub-heating panel 15 and electric core unit 14, can be with the heat conduction between the adjacent electric core unit 14 to sub-heating panel 15 to spill more fast through sub-heating panel 15, thereby accelerate battery pack 5's radiating efficiency.

Referring to fig. 4, a first limiting plate 16 and a second limiting plate 17 are connected to the upper and lower ends of each sub-radiator plate 15, respectively. The sub-radiator 15, the first limit plate 16, and the second limit plate 17 are Z-shaped as a whole. The first limiting plate 16 abuts against the end surface of the cell unit 14 located on one side of the sub-heat-dissipation plate 15, and the second limiting plate 17 abuts against the end surface of the cell unit 14 located on the other side of the sub-heat-dissipation plate 15. The heat of electricity core unit 14 also can be followed the terminal surface transmission of electricity core unit 14 and given first limiting plate 16 and second limiting plate 17, and first limiting plate 16 and second limiting plate 17 homoenergetic carry out heat transfer with sub-radiator plate 15 to make the heat of first limiting plate 16 and second limiting plate 17 can transmit radiator unit 6, thereby accelerate battery pack 5's radiating efficiency, the radiating effect is better. In addition, the arrangement of the first limiting plate 16 and the second limiting plate 17 also enables the cell units 14 on both sides of the sub-heat-dissipation plate 15 to be relatively positioned.

It is to be understood that only one of the first and

second stopper plates

16 and 17 may be provided. If only the first stopper plate 16 is provided, the first stopper plate 16 is still in abutment with the total heat radiation plate 18. If only the second stopper plate 17 is provided, the sub-radiator plate 15 abuts on the main radiator plate 18. The first limiting plate 16, the second limiting plate 17, and the sub-radiator 15 may be formed as an integral member, for example, by bending a metal plate member having good thermal conductivity.

A total heat dissipation plate 18 abuts on the plurality of first stopper plates 16. Compare in the embodiment that every sub-heating panel 15 corresponds a radiator unit 6 respectively, through total heating panel 18 and whole sub-heating panel 15 heat conduction contact, rethread total heating panel 18 is with heat transfer to radiator unit 6 to can reduce radiator unit 6's use, thereby reduce the quantity of thermovent 13, ensure battery case 2's structural strength.

In one embodiment, a third limiting plate 19 is connected to one end of the total heat dissipation plate 18. The outer side surface of the outermost cell unit 14 abuts against the third limiting plate 19, and the outer side surface of the outermost cell unit opposite to the third limiting plate 19 abuts against the sub-heat-dissipating plate 15. The total heat radiation plate 18 and the third limit plate 19 are L-shaped as a whole. The side of the total heat dissipation plate 18 facing away from the first limiting plate 16 abuts against the cell heat dissipation block 10.

It is understood that the third limiting plate 19 may be connected to both ends of the total heat dissipation plate 18. At this time, the outer side surfaces of the two outermost cell units 14 that face each other abut against the two third limiting plates 19. The total heat radiation plate 18 and the two third limiting plates 19 are door-shaped integrally.

It is understood that the third limiting plates 19 may not be provided at both ends of the total heat radiating plate 18. At this time, the outer side surfaces of the two outermost cell units opposite to each other are abutted against the two sub heat dissipation plates 15, respectively.

The embodiment of the utility model also provides an unmanned aerial vehicle which comprises the unmanned aerial vehicle battery heat dissipation structure in any one of the above embodiments.

The features of the above-described embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above-described embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.

Claims

1. The utility model provides an unmanned aerial vehicle battery heat radiation structure, is including being in battery housing (2) on the flow direction of the wind that the paddle produced, be provided with in battery housing (2) battery pack (5) and with battery pack (5) heat-conduction connection's radiator unit (6), characterized by: the battery shell (2) is provided with a heat dissipation opening (13) for communicating the inside and the outside of the battery shell (2), and the heat dissipation assembly (6) is exposed out of the battery shell (2) from the heat dissipation opening (13) so that wind generated by the paddle contacts with the heat dissipation assembly (6).

2. The unmanned aerial vehicle battery heat radiation structure of claim 1, characterized by: the heat dissipation assembly (6) extends out of the battery case (2) from the heat dissipation opening (13).

3. The unmanned aerial vehicle battery heat radiation structure of claim 1, characterized by: battery pack (5) include electric core (8) and battery protection board (9), radiator unit (6) including respectively with electric core radiating block (10) that electric core (8) heat conduction is connected and with mainboard radiating block (11) that battery protection board (9) heat conduction is connected, electric core (8) with battery protection board (9) interval sets up, electric core radiating block (10) with mainboard radiating block (11) interval sets up.

4. The unmanned aerial vehicle battery heat radiation structure of claim 3, characterized by: the battery core (8) and the battery protection plate (9) are arranged in a stacked manner along the direction in which the heat dissipation assembly (6) extends towards the heat dissipation opening (13).

5. The unmanned aerial vehicle battery heat radiation structure of claim 3, characterized by: the battery cell heat dissipation block (10) comprises a battery cell main body part (101) and a battery cell fin part (102), the battery cell main body part (101) is located in the battery shell (2), and the battery cell fin part (102) extends out of the battery shell (2) from the heat dissipation port (13); and/or the presence of a gas in the gas,

the main board radiating block (11) comprises a main board main body portion (111) and main board fin portions (112), the main board main body portion (111) is located in the battery case (2), and the main board fin portions (112) extend out of the radiating holes (13) to form the battery case (2).

6. The unmanned aerial vehicle battery heat radiation structure of claim 3, characterized by: the battery core radiating block (10) comprises a battery core main body part (101) and a battery core fin part (102), the mainboard radiating block (11) comprises a mainboard main body part (111) and a mainboard fin part (112), the battery core fin part (102) and the mainboard fin part (112) are both arranged on the same side of the radiating port (13) and extend out of the battery shell (2), the battery core fin part (102) extends out of the battery shell (2), the length of the battery shell (2) is greater than that of the mainboard fin part (112) extends out of the length of the battery shell (2).

7. The unmanned aerial vehicle battery heat radiation structure of claim 1, characterized by: the battery pack (5) comprises a plurality of battery cell units (14), a sub-heat-dissipation plate (15) is connected between the side faces of two adjacent battery cell units (14) in a heat conduction mode, and the sub-heat-dissipation plate (15) is connected with the heat-dissipation assembly (6) in a heat conduction mode.

8. The unmanned aerial vehicle battery heat radiation structure of claim 7, characterized by: the battery pack (5) further comprises a total heat dissipation plate (18), and the total heat dissipation plate (18) is in heat conduction connection with the plurality of sub heat dissipation plates (15) and the heat dissipation assembly (6) at the same time.

9. The unmanned aerial vehicle battery heat radiation structure of claim 7, characterized by: the two ends of the sub-heat dissipation plate (15) are respectively provided with a first limiting plate (16) and a second limiting plate (17), and the first limiting plate (16) and the second limiting plate (17) are respectively abutted to the end faces of the two battery cell units (14) located on the two sides of the sub-heat dissipation plate (15).

10. An unmanned aerial vehicle, characterized by: including the unmanned aerial vehicle battery heat dissipation structure of any one of claims 1-9.