CN214707427U - Unmanned aerial vehicle heat radiation structure - Google Patents
Unmanned aerial vehicle heat radiation structure Download PDFInfo
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- CN214707427U CN214707427U CN202120504523.5U CN202120504523U CN214707427U CN 214707427 U CN214707427 U CN 214707427U CN 202120504523 U CN202120504523 U CN 202120504523U CN 214707427 U CN214707427 U CN 214707427U
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- 230000005855 radiation Effects 0.000 title claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 claims description 29
- 230000000694 effects Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 8
- 102100029649 Beta-arrestin-1 Human genes 0.000 description 2
- 101000728629 Homo sapiens Beta-arrestin-1 Proteins 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 102100029648 Beta-arrestin-2 Human genes 0.000 description 1
- 101100324465 Caenorhabditis elegans arr-1 gene Proteins 0.000 description 1
- 101000728661 Homo sapiens Beta-arrestin-2 Proteins 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to an unmanned aerial vehicle heat radiation structure. The utility model discloses an unmanned aerial vehicle heat radiation structure, which comprises a carrier, a motor and a driving device connected with the motor through wires; a paddle is fixedly arranged at the rotating output end of the motor; the carrier comprises a motor bearing part, an extension arm and a driving bearing part provided with an air inlet; the motor bearing part and the drive bearing part are fixedly connected through the extension arm; the driving device is fixed in the inner cavity of the driving bearing part, and the air inlet is communicated with the inner cavity of the driving bearing part; the extension arm is provided with an arm cavity communicated with the inner cavity of the drive bearing part; the motor is provided with a motor air outlet and a motor air inlet communicated with the arm cavity; the orientation of the motor air outlet is approximately the same as the direction of pushing air by the paddle. The utility model can achieve the purpose of radiating the motor and the driving device simultaneously; the cooling fan and the driving device which are integrated are convenient to install.
Description
Technical Field
The utility model relates to an unmanned air vehicle technique field, in particular to unmanned aerial vehicle heat radiation structure.
Background
In the existing market, a power motor of the unmanned aerial vehicle generally blows airflow to dissipate heat of the power motor by rotating blades driven by the power motor or dissipates heat of the power motor by utilizing the rotating air suction capacity of a motor rotor. The drive of the motor (the electronic speed regulator) cannot be driven by the motor to dissipate heat by the blades, so that the heat dissipation effect is poor, and the energy utilization rate is low.
In summary, the prior art has at least the following technical problems,
first, the motor and the driving device cannot be simultaneously cooled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve or alleviate the above-mentioned first technical problem.
The utility model adopts the measures that the radiating structure of the unmanned aerial vehicle comprises a carrier, a motor and a driving device connected with the motor through wires; a paddle is fixedly arranged at the rotating output end of the motor; the carrier comprises a motor bearing part, an extension arm and a driving bearing part provided with an air inlet; the motor bearing part and the drive bearing part are fixedly connected through the extension arm; the driving device is fixed in the inner cavity of the driving bearing part, and the air inlet is communicated with the inner cavity of the driving bearing part; the extension arm is provided with an arm cavity communicated with the inner cavity of the drive bearing part; the motor is provided with a motor air outlet and a motor air inlet communicated with the arm cavity; the orientation of the motor air outlet is approximately the same as the direction of pushing air by the paddle.
The utility model discloses the effect that reaches does, can dispel the heat simultaneously to motor and drive arrangement.
According to the technical scheme, motor blades are fixedly arranged on a rotor of the motor, and the direction of pushing air of the motor blades is approximately the same as the direction of pushing air of the blades.
The effect of radiating the motor and the driving device simultaneously can be improved.
The further technical scheme is that the cooling fan is fixedly arranged in the inner cavity of the driving bearing part, and when the cooling fan is seen along the rotating axis line of the cooling fan, part or all of an air inlet of the cooling fan is positioned in the air inlet.
In a further technical scheme, the heat dissipation fan is a cross flow fan, and an outlet of the heat dissipation fan is opposite to the arm cavity.
The flow velocity and flow of the heat dissipation air can be improved.
According to the further technical scheme, the air outlet of the cooling fan is fixedly provided with cooling fins, and the driving device is fixedly arranged on the cooling fins.
The heat radiation fan and the driving device are integrated, so that the assembly is convenient.
Further technical scheme still includes with drive bearing part releasable connection's installation apron, carrier be integrated into one piece, and the air intake setting has been seted up on the installation apron in the drive bearing part, and the installation apron shelters from the installing port.
The cooling fan and the driving device which are integrated are convenient to install.
According to a further technical scheme, the paddle comprises a connecting part fixedly connected with the rotating output end of the motor, and when the paddle is seen along the rotating axis line of the paddle, the air outlet of the motor is exposed from the connecting part.
The heat dissipation air flow path can be ensured to be smooth, and the heat dissipation effect is ensured.
According to a further technical scheme, the air inlet is completely positioned outside the rotating area of the paddle when viewed along the rotating axial lead of the paddle.
The air entering from the air inlet is not or less influenced by the suction force generated by the rotation of the blades, and the effect of simultaneously radiating the motor and the driving device can be ensured.
In conclusion, the utility model can achieve the following technical effects,
1, the motor and the driving device can be simultaneously radiated.
2, the integrated heat radiation fan and the driving device are convenient to install.
3, the air entering from the air inlet is not or less influenced by the suction force generated by the rotation of the blades, and the effect of simultaneously radiating the heat of the motor and the driving device can be ensured.
Drawings
Fig. 1 is a schematic plan view of an unmanned aerial vehicle according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a heat dissipation structure of an unmanned aerial vehicle according to an embodiment of the present invention; the mounting cover 19 is not shown.
Fig. 3 is according to the utility model discloses an unmanned aerial vehicle heat radiation structure's three-dimensional decomposition schematic diagram.
Fig. 4 is a schematic half-section view of a heat dissipation structure of an unmanned aerial vehicle according to an embodiment of the present invention; arrow ARR1 indicates the direction of the cooling air flow; the thickness of the carrier 1 is not shown (i.e. indicated by lines).
FIG. 5 is a schematic view of detail one DTL1 with arrow one ARR1 indicating the direction of cooling air flow; the arrow two ARR2 indicates the direction in which the air pushing portion 21 pushes the air.
Fig. 6 is a schematic bottom view of the radiating structure of the unmanned aerial vehicle according to the utility model discloses an embodiment.
Arrow one ARR 1; arrow two ARR 2; detail one DTL 1; a carrier 1; a motor bearing portion 11; a drive bearing portion 12; an extension arm 13; an arm cavity 131; an air inlet 14; mounting a cover plate 19; a mounting opening 191; a blade 2; an air pushing portion 21; a connecting portion 22; a motor 3; the motor blades 31; a motor air outlet 32; a motor air inlet 33; a drive device 4; a heat radiation fan 5; a heat-dissipating air outlet 51; a heat sink 52; a body 9.
Detailed Description
The following description will be made in conjunction with the accompanying drawings.
As specific embodiment, the utility model discloses an unmanned aerial vehicle heat radiation structure of embodiment, it includes carrier 1, motor 3 and with motor 3 connection of electric lines's drive arrangement 4 (the electric wire for electric connection is not drawn). The driving device 4 is used for controlling, supplying power to, etc. the motor 3, and for example, the driving device 4 is an electronic governor, etc.
The rotating output end of the motor 3 is fixedly provided with a blade 2. The rotating output end of the motor 3 drives the paddle 2 to rotate, so that air is pushed to generate lift force.
As a specific embodiment, the two driving bearing parts 12 are respectively installed on the main body 9 of the unmanned aerial vehicle, and the main body 9 is used for installing loads such as a battery module or a camera.
The carrier 1 comprises a motor bearing part 11, an extension arm 13 and a driving bearing part 12 provided with an air inlet 14; the motor bearing part 11 and the driving bearing part 12 are fixedly connected through an extension arm 13.
The driving device 4 is fixed in the inner cavity of the driving bearing part 12, and the air inlet 14 is communicated with the inner cavity of the driving bearing part 12.
The extension arm 13 is provided with an arm cavity 131 communicating with the inner cavity of the drive bearing 12.
The motor 3 is provided with a motor air outlet 32 and a motor air inlet 33 communicated with the arm cavity 131; the motor outlet 32 is oriented substantially the same as the direction of the air pushed by the blade 2 (as shown in figure 5).
The theory of operation does, and the rotatory output of motor 3 drives 2 rotations of paddle, promotes air and produces lift, can make unmanned aerial vehicle flight. In the flying process of the unmanned aerial vehicle, the rotation of the blades 2 enables air to have a tendency of flowing from top to bottom (suction or negative pressure is generated above the blades 2, and thrust or positive pressure is generated above the blades 2), so that the air (namely, heat dissipation air) sequentially passes through the air inlet 14, the inner cavity of the drive bearing part 12, the arm cavity 131 and the motor air inlet 33 and then flows out of the motor air outlet 32; the motor 3 and the drive device 4 can be simultaneously cooled.
The rotor of the motor 3 is fixedly provided with a motor blade 31, and the direction of pushing air of the motor blade 31 is substantially the same as the direction of pushing air of the blade 2 (as shown in fig. 5); that is, the direction in which the motor blade 31 pushes air is substantially the same as the direction of the rotational axis line of the motor blade 31, and the motor blade 31 is an axial-flow blade. The flow speed and the flow of the heat dissipation air can be improved; the effect of radiating the motor 3 and the driving device 4 at the same time can be improved.
The air conditioner also comprises a heat radiation fan 5 fixedly arranged in the inner cavity of the driving bearing part 12, and when the air conditioner is seen along the rotating axial lead of the heat radiation fan 5, the air inlet of the heat radiation fan 5 is partially or completely positioned in the air inlet 14.
The heat dissipation fan 5 is a cross flow fan (i.e. the air outlet direction of the heat dissipation fan 5 is substantially perpendicular to the rotation axis of the heat dissipation fan 5, for example, the heat dissipation fan 5 is a centrifugal fan), and the outlet of the heat dissipation fan 5 faces the arm cavity 131. The flow velocity and flow of the heat dissipation air can be improved.
The air outlet of the cooling fan 5 is fixedly provided with a cooling fin 52, and the driving device 4 is fixedly arranged on the cooling fin 52. The heat radiation fan 5 and the driving device 4 are integrated, so that the assembly is convenient.
Unmanned aerial vehicle heat radiation structure still includes the installation apron 19 with 12 releasable connection of drive bearing part (for example realize through the bolt), and carrier 1 is integrated into one piece, and air intake 14 sets up on installation apron 19, and installation mouth 191 has been seted up to drive bearing part 12, and installation apron 19 shelters from installation mouth 191. The mounting opening 191 is formed by outward deviation of the projection shapes of the driving device 4 and the heat dissipation fan 5 on the driving bearing part 12; the driving device 4 and the heat dissipation fan 5 can penetrate through the mounting opening 191 to be mounted in the driving bearing part 12, and the mounting cover plate 19 is mounted to shield the mounting opening 191, so that the heat dissipation fan 5 and the driving device 4 can be mounted integrally.
The paddle 2 includes a connecting portion 22 fixedly connected to the rotation output end of the motor 3, and the motor air outlet 32 is exposed from the connecting portion 22 when viewed along the rotation axis of the paddle 2. The heat dissipation air flow path can be ensured to be smooth, and the heat dissipation effect is ensured.
The air inlet 14 is located entirely outside the rotation area of the blade 2 as viewed along the rotation axis of the blade 2 (i.e., the air inlet 14 is located entirely outside the circle formed by the rotation of the blade 2 at the point farthest from the rotation axis of the blade 2). The air entering from the air inlet 14 is not or less influenced by the suction force generated by the rotation of the blades 2, and the flow speed and the flow rate of the heat dissipation air can be ensured; the effect of heat dissipation to the motor 3 and the drive device 4 at the same time can be ensured.
As used in the present invention, the term: first, second, etc. do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
As used in the present invention, the term: one, etc. do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item.
As in the present invention, the term indicating orientation or position is used: top, bottom, side, longitudinal, lateral, middle, center, outer, inner, horizontal, vertical, left, right, above, below, and the like are intended to reflect relative positions, not absolute positions.
The term as used in the present invention: approximate, whole, approximate, close, etc., are words of definition that specify the presence of stated features but allow for certain deviations. The amount of tolerance for a certain deviation may vary depending on the particular context; for example, the specific context in which deviations from size may be relied upon includes, but is not limited to, national standards for dimensional tolerances.
Claims (8)
1. The radiating structure of the unmanned aerial vehicle comprises a carrier (1), a motor (3) and a driving device (4) which is in electric wire connection with the motor (3); the rotating output end of the motor (3) is fixedly provided with a blade (2); the carrier (1) comprises a motor bearing part (11), an extension arm (13) and a driving bearing part (12) provided with an air inlet (14); the motor bearing part (11) and the drive bearing part (12) are fixedly connected through an extension arm (13);
the device is characterized in that the driving device (4) is fixed in the inner cavity of the driving bearing part (12), and the air inlet (14) is communicated with the inner cavity of the driving bearing part (12); the extension arm (13) is provided with an arm cavity (131) communicated with the inner cavity of the drive bearing part (12); the motor (3) is provided with a motor air outlet (32) and a motor air inlet (33) communicated with the arm cavity (131); the orientation of the motor air outlet (32) is approximately the same as the direction of pushing air of the paddle (2).
2. The unmanned aerial vehicle heat dissipation structure of claim 1, wherein a motor blade (31) is fixedly arranged on a rotor of the motor (3), and the direction of air pushed by the motor blade (31) is substantially the same as the direction of air pushed by the blade (2).
3. The radiating structure of the unmanned aerial vehicle of claim 1, further comprising a radiating fan (5) fixedly arranged in the inner cavity of the driving bearing part (12), and when viewed along the rotation axis of the radiating fan (5), the air inlet of the radiating fan (5) is partially or completely positioned in the air inlet (14).
4. The unmanned aerial vehicle heat dissipation structure of claim 3, wherein the heat dissipation fan (5) is a cross flow fan, and an outlet of the heat dissipation fan (5) faces the arm cavity (131).
5. The radiating structure of the unmanned aerial vehicle according to claim 3, wherein the air outlet of the cooling fan (5) is fixedly provided with a radiating fin (52), and the driving device (4) is fixedly arranged on the radiating fin (52).
6. The unmanned aerial vehicle heat radiation structure of claim 5, characterized by further comprising a mounting cover plate (19) detachably connected with the driving bearing part (12), the carrier (1) is integrally formed, the air inlet (14) is arranged on the mounting cover plate (19), the driving bearing part (12) is provided with a mounting opening (191), and the mounting cover plate (19) covers the mounting opening (191).
7. The unmanned aerial vehicle heat dissipation structure of claim 1, wherein the blade (2) comprises a connecting portion (22) fixedly connected with a rotation output end of the motor (3), and the motor air outlet (32) is exposed from the connecting portion (22) when viewed along a rotation axis of the blade (2).
8. The unmanned aerial vehicle heat dissipation structure of any one of claims 1 to 7, wherein the air inlet (14) is located completely outside a rotation area of the blade (2) when viewed along a rotation axis of the blade (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120504523.5U CN214707427U (en) | 2021-03-10 | 2021-03-10 | Unmanned aerial vehicle heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120504523.5U CN214707427U (en) | 2021-03-10 | 2021-03-10 | Unmanned aerial vehicle heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214707427U true CN214707427U (en) | 2021-11-12 |
Family
ID=78570684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120504523.5U Active CN214707427U (en) | 2021-03-10 | 2021-03-10 | Unmanned aerial vehicle heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214707427U (en) |
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2021
- 2021-03-10 CN CN202120504523.5U patent/CN214707427U/en active Active
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Address after: 518000, 13th Floor, Building A4, Nanshan Zhiyuan, No. 1001 Xueyuan Avenue, Changyuan Community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong Province Patentee after: Shenzhen Pegasus Robotics Co.,Ltd. Country or region after: China Address before: 518000, 1st Floor, 16th Building, Zhiheng Industrial Park, Nantou Street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN FEIMA ROBOTICS Co.,Ltd. Country or region before: China |