CN217825808U

CN217825808U - High-efficient heat radiation structure of unmanned aerial vehicle electron speed regulator based on chimney effect

Info

Publication number: CN217825808U
Application number: CN202221735590.9U
Authority: CN
Inventors: 梅源; 周自宝; 王爽
Original assignee: Wuhu Institute of Technology
Current assignee: Wuhu Institute of Technology
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-15
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses an unmanned aerial vehicle electron speed regulator's high-efficient heat radiation structure based on chimney effect belongs to unmanned aerial vehicle electron speed regulator heat dissipation technical field, including installing electron speed regulator and the radiator unit in the wing casing, radiator unit with electron speed regulator fixed connection, air inlet and exhaust vent have been opened respectively to the top and the bottom of wing casing, radiator unit is located wing shell end's screw below, radiator unit's inside forms wide narrow chimney passageway under the multichannel and makes the air current flow in from the air inlet downwards under the rotation of screw in the chimney passageway and flow out from the exhaust vent. The utility model discloses the radiating effect is better to the resistance that unmanned aerial vehicle received is littleer.

Description

High-efficient heat radiation structure of unmanned aerial vehicle electron speed regulator based on chimney effect

Technical Field

The utility model belongs to the technical field of the unmanned aerial vehicle electron speed regulator heat dissipation, concretely relates to high-efficient heat radiation structure of unmanned aerial vehicle electron speed regulator based on chimney effect.

Background

In the hovering flight process of the unmanned aerial vehicle, the working rotating speed of the motor is high, so that the electronic speed regulator for controlling the rotating speed of the motor can generate a large amount of heat, the temperature of the electronic speed regulator is increased, and the electronic speed regulator needs to be subjected to heat dissipation and cooling treatment.

Most unmanned aerial vehicle electronic governor's fin setting in the market utilizes the forced air cooling to dispel the heat at the outside of wing casing, but the fin setting makes the both sides of wing casing asymmetric in the outside of wing casing, increases the resistance of wing casing, is unfavorable for unmanned aerial vehicle's flight.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unmanned aerial vehicle electronic governor's high-efficient heat radiation structure based on chimney effect to the fin setting of the unmanned aerial vehicle electronic governor of solution utilizes the forced air cooling to dispel the heat to the fin in the outside of wing casing, but the fin setting makes wing casing's both sides asymmetric in the outside of wing casing, increases wing casing's resistance, is unfavorable for the problem of unmanned aerial vehicle's flight.

The utility model provides an unmanned aerial vehicle electron speed regulator's high-efficient heat radiation structure based on chimney effect, is including installing electron speed regulator and the radiator unit in the wing casing, radiator unit with electron speed regulator fixed connection, open respectively at the top and the bottom of wing casing has fresh air inlet and exhaust vent, radiator unit is located the screw below of wing casing tip, radiator unit's inside forms wide down narrow chimney passageway in the multichannel and makes the air current flow in from the fresh air inlet downwards under the rotation of screw in the chimney passageway and from the exhaust vent outflow.

Preferably, radiator unit includes radiating fin, apron and mounting panel, one side fixedly connected with mounting panel of electron speed regulator just the top of mounting panel is equipped with the apron, the apron with fixedly connected with is a plurality of between the mounting panel radiating fin, two adjacent radiating fin with mounting panel and apron enclose the chimney channel, the sectional area at chimney channel top is greater than the sectional area of chimney channel bottom.

Preferably, the radiating fins are of a fan-shaped curved surface structure and are of a structure with a wide upper part and a narrow lower part.

Preferably, the thickness of each radiating fin is 1.5mm, the distance between every two adjacent radiating fins is 10mm, the height of the air inlet of each radiating fin is 50mm, and the height of the outlet of each radiating fin is 45mm.

Preferably, the mounting plate is fixedly connected with the electronic speed regulator through a bolt, and heat-conducting silicone grease is further coated between the mounting plate and the electronic speed regulator.

The utility model discloses a have following advantage:

the utility model discloses a fin based on chimney effect, it is high to be the top with the fin setting, two adjacent fins and apron and mounting panel enclose into a plurality of chimney passageways with the gradual change profile heat radiation structure that the bottom is low, the cross sectional area of chimney passageway's top entry is greater than the cross sectional area of below export, produce the effect of pulling out the wind based on the chimney effect, in addition the rotor rotates, it flows through from the chimney pipeline to drive the air current, effectual reinforcing natural convection heat transfer ability, electricity is transferred in addition and the inside that radiating component all set up wing shell, at unmanned aerial vehicle flight in-process, the resistance that unmanned aerial vehicle received is littleer, flight is more stable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention after removing the wing shell.

Fig. 3 is a schematic structural view of the heat dissipation assembly of the present invention;

fig. 4 is a schematic structural diagram of the heat dissipation fin of the present invention.

The labels in the figures are:

1. a wing shell; 10. a propeller; 11. a motor; 12. an air inlet hole; 13. an air outlet; 14. an electronic governor;

2. a heat dissipating component; 20. mounting a plate; 21. a cover plate; 22. a heat dissipating fin; 23. a chimney channel.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided to help those skilled in the art to more fully, accurately and deeply understand the concept and technical solutions of the present invention, through the description of the embodiments with reference to the accompanying drawings.

As shown in fig. 1-4, an efficient heat radiation structure of an unmanned aerial vehicle electronic speed regulator based on chimney effect, including installing electronic speed regulator 14 and radiator unit 2 in wing shell 1, radiator unit 2 with electronic speed regulator 14 fixed connection, air inlet 12 and exhaust vent 13 have been opened respectively to the top and the bottom of wing shell 1, radiator unit 2 is located the screw 10 below of wing shell 1 tip, radiator unit 2's inside forms wide chimney passageway 23 narrow down in the multichannel and makes the air current flow in from air inlet 12 downwards in the chimney passageway 23 and from exhaust vent 13 outflow under the rotation of screw 10.

The heat dissipation assembly 2 comprises heat dissipation fins 22, a cover plate 21 and a mounting plate 20, one side of the electronic speed regulator 14 is fixedly connected with the mounting plate 20, the top of the mounting plate 20 is provided with the cover plate 21, the cover plate 21 is fixedly connected with the mounting plate 20, the heat dissipation fins 22 are arranged between the two adjacent heat dissipation fins 22, the mounting plate 20 and the cover plate 21 are enclosed to form the chimney channel 23, the sectional area of the top of the chimney channel 23 is larger than that of the bottom of the chimney channel 23, the heat dissipation fins 22 are of a fan-shaped curved surface structure, the heat dissipation fins 22 are of a wide-top-narrow-bottom structure, the thickness of the heat dissipation fins 22 is 1.5mm, the distance between the two adjacent heat dissipation fins 22 is 10mm, the height of the air inlet holes of the heat dissipation fins 22 is 50mm, and the height of the outlet holes of the heat dissipation fins 22 is 45mm.

During flying, the motor 11 rotates to drive the propeller 10 to rotate, the propeller 10 rotates to enable airflow to flow downwards, the heat dissipation assembly 2 is located below the propeller 10, the generated airflow flows downwards into the chimney channel 23 along the air inlet hole 12 and flows out of the air outlet hole 13, a plurality of heat dissipation fins 22 are fixedly connected between the cover plate 21 and the mounting plate 20, the two adjacent heat dissipation fins 22, the mounting plate 20 and the cover plate 21 enclose the chimney channel 23, the sectional area of the top of the chimney channel 23 is larger than that of the bottom of the chimney channel 23, so that a plurality of inverted chimney channels 23 are formed, the sectional area of an air inlet above the chimney channel 23 is larger than that of an air outlet below the chimney channel 23, the motor 11 drives the propeller 10 to rotate, the airflow is induced to descend along the chimney channel 23 in an accelerated manner, a draft effect is generated based on the chimney effect, the airflow speed and the heat transfer performance of the chimney channel 23 are enhanced, and the heat dissipation effect is enhanced.

The mounting plate 20 and the electronic speed regulator 14 are fixedly connected through bolts, heat-conducting silicone grease is further coated between the mounting plate 20 and the electronic speed regulator 14, and the propeller 10 is driven by a motor 11 mounted at the end part of the wing shell 1.

The heat conduction silicone grease accelerates the heat transfer, so that the heat generated by the electronic speed regulator 14 is rapidly transferred to the heat dissipation fins 22 through the mounting plate 20 and the heat conduction silicone grease, the motor 11 rotates, the propeller 10 rotates, downward airflow is generated, and the unmanned aerial vehicle is pushed to ascend.

The working principle is as follows: the electronic speed regulator and the heat dissipation assembly are arranged inside the wing shell, on one hand, the surface of the wing shell is smoother, the damping received during flying is smaller, the wing shell is more stable during flying, in addition, an air inlet hole and an air outlet hole are respectively formed in the top and the bottom of the wing shell, the air inlet hole and the air outlet hole can play a role of reducing weight, the weight of the whole wing shell is reduced, during flying, the motor 11 rotates to drive the propeller 10 to rotate, the propeller 10 rotates to enable airflow to flow downwards, the heat dissipation assembly 2 is positioned below the propeller 10, the generated airflow downwards flows into the chimney channel 23 along the air inlet hole 12 and flows out of the air outlet hole 13, a plurality of heat dissipation fins 22 are fixedly connected between the cover plate 21 and the mounting plate 20, the adjacent two heat dissipation fins 22, the mounting plate 20 and the cover plate 21 form the chimney channel 23, the sectional area of the top of the chimney channel 23 is larger than the sectional area of the bottom of the chimney channel 23, and the inverted chimney channel 23 is formed, the sectional area of the air inlet above of the chimney channel 23 is larger than the sectional area of the below the air outlet, the motor 11 drives the propeller 10 to rotate, the chimney channel 23 to accelerate the chimney effect, and the chimney channel 23 to generate the chimney effect and the chimney effect of heat dissipation effect is enhanced.

The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial modifications of the inventive concept and technical solutions of the present invention or direct application of the inventive concept and technical solutions to other applications without modification are within the scope of the present invention.

Claims

1. The utility model provides an unmanned aerial vehicle electron speed regulator's high-efficient heat radiation structure based on chimney effect which characterized in that: including installing electron speed regulator (14) and radiator unit (2) in wing casing (1), radiator unit (2) with electron speed regulator (14) fixed connection, air inlet (12) and exhaust vent (13) have been opened respectively to the top and the bottom of wing casing (1), radiator unit (2) are located propeller (10) below of wing casing (1) tip, the inside of radiator unit (2) forms wide narrow chimney passageway (23) under wide in the multichannel and makes the air current flow in from air inlet (12) downwards under the rotation of propeller (10) in chimney passageway (23) and flow out from exhaust vent (13).

2. The efficient heat dissipation structure of the electronic speed regulator of the unmanned aerial vehicle based on the chimney effect as claimed in claim 1, wherein: radiator unit (2) are including radiating fin (22), apron (21) and mounting panel (20), one side fixedly connected with mounting panel (20) of electron speed regulator (14) just the top of mounting panel (20) is equipped with apron (21), apron (21) with fixedly connected with is a plurality of between mounting panel (20) radiating fin (22), two adjacent radiating fin (22) with mounting panel (20) and apron (21) enclose into chimney passageway (23), the sectional area at chimney passageway (23) top is greater than the sectional area of chimney passageway (23) bottom.

3. The efficient heat dissipation structure of the electronic speed regulator of the unmanned aerial vehicle based on the chimney effect as claimed in claim 2, wherein: the radiating fins (22) are of a fan-shaped curved surface structure, and the radiating fins (22) are of a structure with a wide upper part and a narrow lower part.

4. The efficient heat dissipation structure of the electronic speed regulator of the unmanned aerial vehicle based on the chimney effect as claimed in claim 3, wherein: the thickness of each radiating fin (22) is 1.5mm, the distance between every two adjacent radiating fins (22) is 10mm, the height of each air inlet of each radiating fin (22) is 50mm, and the height of each outlet of each radiating fin (22) is 45mm.

5. The efficient heat dissipation structure of the electronic speed regulator of the unmanned aerial vehicle based on the chimney effect as claimed in claim 4, wherein: the mounting plate (20) is fixedly connected with the electronic speed regulator (14) through bolts, and heat-conducting silicone grease is coated between the mounting plate (20) and the electronic speed regulator (14).