Drones

Abstract

The application relates to a kind of unmanned plane, including body, connecting arm, paddle, heating assembly and temperature sensor, one end of connecting arm is connected with body, paddle is rotationally connected with the end of connecting arm away from body, heating assembly includes heating piece and support, heating piece is arranged at the air inlet side of paddle, and is opposite and interval arrangement with paddle, heating piece is connected with body by support, temperature sensor is electrically connected with heating piece, temperature sensor is used to detect the temperature of paddle, temperature sensor can control heating piece to start according to the temperature of paddle.In the unmanned plane of the application, heating piece can heat air at the air inlet side of paddle under the action of temperature sensor, so that the air attracted by paddle will be heated by heating piece, and the effect of automatic temperature rise and ice melting is achieved when the heated air is washed to paddle, thereby avoiding the icing problem of paddle.Therefore, when the unmanned plane cruises in cold air layer, the problem of paddle icing does not occur.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle. BACKGROUND

[0002] With the development of unmanned aerial vehicle technology, its application field has been more and more widely, and the unmanned aerial vehicle can be widely used in aerial reconnaissance, monitoring, communication, aerial photography, agriculture, plant protection, power patrol and other fields. Among them, the unmanned aerial vehicle is applied to the patrol of power equipment, which can not only effectively save the labor cost, but also effectively ensure the safety of personnel.

[0003] However, when the unmanned aerial vehicle patrols in the cold air layer, the blades of the unmanned aerial vehicle are easy to freeze, which will affect the normal work of the unmanned aerial vehicle. SUMMARY

[0004] Therefore, it is necessary to provide an unmanned aerial vehicle for the problem that the blades are easy to freeze when the unmanned aerial vehicle patrols in the cold air layer.

[0005] The technical scheme is as follows:

[0006] An unmanned aerial vehicle, comprising:

[0007] a machine body;

[0008] a connecting arm, one end of the connecting arm being connected with the machine body;

[0009] a blade, the blade being rotationally connected with one end of the connecting arm away from the machine body;

[0010] a heating assembly, the heating assembly comprising a heating piece and a support piece, the heating piece being arranged on the air inlet side of the blade and being spaced apart from the blade, the heating piece being connected with the machine body through the support piece;

[0011] a temperature sensor, the temperature sensor being electrically connected with the heating piece, the temperature sensor being used for detecting the temperature of the blade, and the temperature sensor being capable of controlling the heating piece to start according to the temperature of the blade.

[0012] The heating element is arranged on the air inlet side of the blade and opposite to the blade, and the temperature sensor is electrically connected with the heating element. The temperature sensor can detect the temperature of the blade and control the start of the heating element according to the detected temperature of the blade. During the flight of the unmanned aerial vehicle, the air flow formed by the operation of the blade passes through the heating element, and the temperature sensor can detect the temperature of the blade in real time. When the unmanned aerial vehicle flies to an environment with low temperature, the temperature sensor can control the start of the heating element according to the actual temperature of the blade to heat the air blown to the blade. Specifically, when the temperature sensor detects that the temperature of the blade is lower than a critical temperature value, the temperature sensor controls the heating element to start heating, so that the heating element can heat the air on the air inlet side of the blade. In this way, the air sucked by the blade is heated by the heating element, and the heated air is washed to the blade to automatically warm and melt ice, thereby avoiding the icing of the blade. Therefore, when the unmanned aerial vehicle cruises in a cold air layer, the problem of blade icing does not occur.

[0013] The technical solutions are further described as follows:

[0014] In one of the embodiments, the support member comprises a fixing sleeve and a connecting rod. The fixing sleeve is arranged on the air inlet side of the blade. The fixing sleeve is provided with a through air guide channel. The air guide channel is arranged opposite to the blade. The heating element is arranged in the air guide channel. One end of the connecting rod is connected with the machine body, and the other end is connected with the fixing sleeve.

[0015] In one of the embodiments, the heating element comprises a connecting rod and a plurality of heating rods. The plurality of heating rods are arranged along the circumference of the air guide channel. Each of the heating rods extends along the radial direction of the air guide channel. One end of each of the heating rods is connected with the fixing sleeve, and the other end is connected with the connecting rod. The temperature sensor is electrically connected with the plurality of heating rods. The temperature sensor can control the start of the plurality of heating rods according to the temperature of the blade.

[0016] In one of the embodiments, the side of the heating rod away from the blade is arranged in an arc shape protruding away from the side of the blade.

[0017] In one of the embodiments, the heating assembly further comprises a lifting driving member. The lifting driving member is arranged on the machine body and is drivingly connected with the connecting rod. The lifting driving member is electrically connected with the temperature sensor. The temperature sensor can control the start of the lifting driving member according to the temperature of the blade, so that the heating element can move close to or away from the blade under the driving of the lifting driving member.

[0018] In one of the embodiments, the lifting driving member comprises a lifting motor, a screw rod and a lifting piece, the lifting motor is fixedly connected with the body, the lifting motor is electrically connected with the temperature sensor, the relative direction of the paddle and the heating piece is consistent with the extension direction of the screw rod, one end of the screw rod is drivingly connected with the lifting motor, and the other end is threadedly connected with the lifting piece, the lifting piece is fixedly connected with the connecting rod, and the temperature sensor can control the start of the lifting motor according to the temperature of the paddle, so that the heating piece moves close to or away from the paddle.

[0019] In one of the embodiments, the lifting driving member further comprises a sliding sleeve, the sliding sleeve is sleeved on the outer periphery of the lifting motor, the screw rod and the lifting piece, the sliding sleeve is provided with a sliding rail extending along the extension direction of the screw rod, and the lifting piece is provided with a sliding groove in sliding fit with the sliding rail.

[0020] In one of the embodiments, the unmanned aerial vehicle further comprises a protection ring and a plurality of protection rods, the plurality of protection rods are spaced apart along the circumference of the paddle and spaced apart from the paddle, one end of each of the plurality of protection rods is fixedly connected with the fixing sleeve, and the other end is connected with the protection ring.

[0021] In one of the embodiments, the number of the connecting arms, the number of the paddles and the number of the heating assemblies are all multiple, the plurality of connecting arms are spaced apart along the circumference of the body, the connecting arms, the paddles and the heating assemblies are one-to-one correspondingly arranged, each of the heating pieces is electrically connected with the temperature sensor, and the temperature sensor can control the start of the plurality of heating pieces according to the detected temperature of the paddle.

[0022] In one of the embodiments, the number of the connecting arms, the number of the paddles and the number of the heating assemblies are all four, and the four connecting arms are uniformly spaced apart along the circumference of the body. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a top view structural schematic diagram of the unmanned aerial vehicle in one of the embodiments.

[0024] Figure 2 It is a structural schematic diagram of the unmanned aerial vehicle shown in another view. Figure 1

[0025] Figure 3 It is a structural schematic diagram of the structure shown in another view. Figure 1

[0026] Figure 4 It is a partial sectional view structural schematic diagram of the heating assembly and the body connection in one of the embodiments.

[0027] ​​Reference Signs List:

[0028] 100, unmanned aerial vehicle; 1, body; 2, connecting arm; 3, paddle; 4, heating assembly; 41, heating piece; 411, heating rod; 412, connecting rod; 42, support piece; 421, fixing sleeve; 421a, air guide channel; 422, connecting rod; 43, lifting driving piece; 431, lifting motor; 432, screw rod; 433, lifting piece; 434, sliding sleeve; 434a, sliding rail; 5, temperature sensor; 6, protection ring; 7, protection rod; 8, supporting leg. DETAILED DESCRIPTION

[0029] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application are described in detail below with reference to the accompanying drawings. In the following description, a number of specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different ways beyond the specific embodiments described herein and by one of ordinary skill in the art without departing from the spirit and scope of the present application, and therefore the present application is not limited to the specific embodiments disclosed below.

[0030] In the description of the present application, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0031] In addition, if these terms "first", "second" appear, these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features referred to. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, if the term "a plurality of" appears, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0032] In the present application, unless specifically defined otherwise and limited, if there are terms such as "mount", "connect", "connect", "fix", etc., these terms should be broadly interpreted. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] In the present application, unless specifically defined otherwise and limited, if there are terms such as "mount", "connect", "connect", "fix", etc., these terms should be broadly interpreted. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] It should be noted that if an element is referred to as "fixed to" or "disposed to" another element, it can be directly on another element or there can be a middle element. If an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. If present, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the present application are for illustrative purposes only and are not the only embodiment.

[0035] Referring to Figures 1 to 3 An unmanned aerial vehicle 100 provided by an embodiment of the present application includes a body 1, a connecting arm 2, a paddle 3, a heating assembly 4, and a temperature sensor 5. Wherein:

[0036] One end of the connecting arm 2 is connected to the body 1, the paddle 3 is rotationally connected to the end of the connecting arm 2 away from the body 1, the heating assembly 4 includes a heating element 41 and a support element 42, the heating element 41 is disposed on the air inlet side of the paddle 3 and is spaced apart from the paddle 3, the heating element 41 is connected to the body 1 through the support element 42, the temperature sensor 5 is electrically connected to the heating element 41, the temperature sensor 5 is used to detect the temperature of the paddle 3, and the temperature sensor 5 can control the heating element 41 to start according to the temperature of the paddle 3.

[0037] The heating element 41 is arranged on the air inlet side of the blade 3 and opposite to the blade 3 in the unmanned aerial vehicle 100, the temperature sensor 5 is electrically connected with the heating element 41, and the temperature sensor 5 can not only detect the temperature of the blade 3, but also control the heating element 41 to start according to the detected temperature of the blade 3. This makes the air flow formed by the operation of the blade 3 pass through the heating element 41 during the flight of the unmanned aerial vehicle 100, and the temperature sensor 5 can detect the temperature of the blade 3 in real time, so that when the unmanned aerial vehicle 100 enters an environment with lower temperature, the temperature sensor 5 can control the heating element 41 to start according to the actual temperature of the blade 3 to heat the air blown to the blade 3. Specifically, when the temperature sensor 5 detects that the temperature of the blade 3 is lower than the critical temperature value, the temperature sensor 5 controls the heating element 41 to start heating, so that the heating element 41 can heat the air on the air inlet side of the blade 3. In this way, the air sucked by the blade 3 will be heated by the heating element 41, and the heated air will have the effect of automatically warming and melting ice when it washes the blade 3, thereby avoiding the icing of the blade 3. Therefore, the unmanned aerial vehicle 100 will not have the problem of icing of the blade 3 when cruising in a cold air layer.

[0038] Illustratively, the critical temperature value can be set according to the actual situation, for example, it can be 0℃, or a certain value higher than 0℃.

[0039] Illustratively, the temperature sensor 5 can also control the heating element 41 to be closed according to the temperature of the blade 3. In this way, the temperature sensor can control the start and stop of the heating element according to the actual detected temperature of the blade, so as to effectively ensure that the blade is not iced.

[0040] Specifically, when the unmanned aerial vehicle 100 is flying and the heating element 41 is in the closed state, if the temperature sensor 5 detects that the temperature of the blade 3 is higher than the critical temperature value, the temperature sensor 5 controls the heating element 41 to remain in the closed state to reduce resource waste. Further, when the unmanned aerial vehicle 100 is flying and the heating element 41 is in the open state, if the temperature sensor 5 detects that the temperature of the blade 3 is higher than the maximum heating temperature value, for example, 3℃, 5℃ or 10℃, the temperature sensor 5 controls the heating element 41 to be closed to reduce resource consumption under the premise of ensuring that the blade is not iced.

[0041] Illustratively, the temperature sensor 5 is arranged on the body 1; or the temperature sensor 5 can also be arranged on the connecting arm 2 or the blade 3.

[0042] Optionally, in one embodiment, as Figures 1 to 3As shown, the number of connecting arms 2, the number of paddles 3 and the number of heating assemblies 4 are all multiple, multiple connecting arms 2 are arranged along the circumference of the body 1, the connecting arms 2, the paddles 3 and the heating assemblies 4 are arranged one by one, each heating piece 41 is electrically connected with the temperature sensor 5, and the temperature sensor 5 can control the multiple heating pieces 41 to start according to the detected temperature of the paddle 3. In this way, the unmanned aerial vehicle 100 can fly more stably under the joint action of multiple paddles 3, which is beneficial to improve the stability and reliability of the unmanned aerial vehicle 100 in the flight process. Among them, since the heating assembly 4 corresponds to the paddle 3 one by one, during the flight of the unmanned aerial vehicle 100, the heating assembly 4 can effectively heat the air blown to the paddle 3 under the control of the temperature sensor 5, so as to avoid the icing problem of each paddle 3 and ensure the normal work of the unmanned aerial vehicle 100.

[0043] Optionally, since the external environment of each paddle 3 during flight is roughly the same, the number of temperature sensors 5 can be only one, as long as the temperature sensor 5 can reliably detect the temperature of one of the paddles 3; or the temperature sensor 5 can also be multiple, and the multiple temperature sensors 5 correspond to the multiple paddles 3 and the multiple heating assemblies 4 one by one, and each temperature sensor 5 can control the start of the corresponding heating piece 41 according to the temperature of the corresponding paddle 3.

[0044] Preferably, as shown in Figures 1 to 3 The number of connecting arms 2, the number of paddles 3 and the number of heating assemblies 4 are all four, and the four connecting arms 2 are uniformly and evenly spaced along the circumference of the body 1. In this way, it is not only beneficial to improve the stability and reliability of the unmanned aerial vehicle 100 in the flight process, but also beneficial to ensure the miniaturization of the structure of the unmanned aerial vehicle 100.

[0045] In one embodiment, in combination with Figure 3 and Figure 4 As shown, the support 42 includes a fixed sleeve 421 and a connecting rod 422, the fixed sleeve 421 is arranged on the air inlet side of the paddle 3, the fixed sleeve 421 is provided with a through air guide channel 421a, the air guide channel 421a is arranged opposite to the paddle 3, the heating piece 41 is arranged in the air guide channel 421a, and one end of the connecting rod 422 is connected with the body 1 and the other end is connected with the fixed sleeve 421. In this way, when the paddle 3 rotates, the air on the upper side of the paddle 3 can flow to the paddle 3 through the air guide channel 421a, so as to ensure that the unmanned aerial vehicle 100 can fly under the action of the paddle 3. Among them, since the heating piece 41 is arranged in the air guide channel 421a, the heat generated by the heating piece 41 is not easy to diffuse, which makes the heating piece 41 work, and the heating piece 41 can effectively heat the air passing through the air guide channel 421a, improve the heating efficiency, and then ensure that the temperature of the air blown to the paddle 3 is high, so as to improve the heating effect of the paddle and avoid the icing of the paddle 3.

[0046] Further, in one embodiment, as shown in Figure 3 the heating member 41 comprises a connecting rod 412 and a plurality of heating rods 411, the plurality of heating rods 411 are arranged along the circumference of the air guide channel 421a, each of the heating rods 411 extends along the radial direction of the air guide channel 421a, one end of each of the heating rods 411 is connected with the fixing sleeve 421, and the other end of each of the heating rods 411 is connected with the connecting rod 412, the temperature sensor 5 is electrically connected with the plurality of heating rods 411, and the temperature sensor 5 can control the plurality of heating rods 411 to start according to the temperature of the blade 3. In this way, the plurality of heating rods 411 can be reliably arranged in the air guide channel 421a through the interaction between them, so that the plurality of heating rods 411 can work at the same time, thereby effectively improving the heating efficiency and the air temperature rising speed, ensuring that the air blown to the blade 3 has a high temperature, so as to avoid icing of the blade 3.

[0047] Optionally, in one embodiment, the side of the heating rod 411 away from the blade 3 is arranged in an arc shape protruding away from the side of the blade 3. Since the side of the heating rod 411 away from the blade 3 is arranged in an arc shape, when the air enters the air guide channel 421a from the end of the air guide channel 421a away from the blade 3, the airflow can smoothly flow to the side of the blade 3 under the guidance of the arc surface of the heating rod 411, so as to reduce the influence of the heating rod 411 on the air flow.

[0048] Illustratively, the cross section of the heating rod 411 can be circular.

[0049] In other embodiments, the heating member 41 can also comprise a plurality of heating wires, the plurality of heating wires are connected with each other to form a mesh structure, the plurality of heating wires are fixed in the air guide channel 421a and are electrically connected with the temperature sensor 5, and the temperature sensor 5 can control the plurality of heating wires to heat according to the temperature of the blade 3.

[0050] In one embodiment, in combination with Figure 3 and Figure 4As shown, the heating assembly 4 further comprises a lifting driving member 43, which is arranged on the body 1 and is drivingly connected with the connecting rod 422. The lifting driving member 43 is electrically connected with the temperature sensor 5. The temperature sensor 5 can control the starting of the lifting driving member 43 according to the temperature of the paddle 3, so that the heating member 41 can move towards or away from the paddle 3 under the driving of the lifting driving member 43. In this way, during the heating process of the heating member 41, the temperature sensor 5 can drive the lifting driving member 43 to move the heating member 41 along the relative direction of the paddle 3 and the heating member 41 according to the detected temperature of the paddle 3, so as to adjust the distance between the heating member 41 and the paddle 3, thereby ensuring that the heating member 41 can heat the paddle 3 to a suitable temperature, avoiding excessive temperature rise of the paddle 3 caused by long-time close-distance heating, and avoiding substandard temperature rise caused by long-distance heating, thereby effectively ensuring that the paddle 3 can reliably rotate and ensuring the reliability of the operation of the unmanned aerial vehicle 100.

[0051] Further, in one embodiment, in combination with Figure 3 and Figure 4 As shown, the lifting driving member 43 comprises a lifting motor 431, a screw rod 432 and a lifting member 433. The lifting motor 431 is fixedly connected with the body 1 and is electrically connected with the temperature sensor 5. The relative direction of the paddle 3 and the heating member 41 is consistent with the extension direction of the screw rod 432. One end of the screw rod 432 is drivingly connected with the lifting motor 431, and the other end is threadedly connected with the lifting member 433. The lifting member 433 is fixedly connected with the connecting rod 422. The temperature sensor 5 can control the starting of the lifting motor 431 according to the temperature of the paddle 3, so that the heating member 41 can move towards or away from the paddle 3. In this way, the screw rod 432 can drive the lifting member 433 to move the heating member 41 and the support member 42 along the extension direction of the screw rod 432 under the driving of the lifting motor 431, so that the lifting driving member 43 can accurately adjust the distance between the heating member 41 and the paddle 3 under the action of the temperature sensor 5, thereby ensuring that the paddle 3 can be heated to a suitable heating temperature.

[0052] Optionally, in one embodiment, in combination with Figure 3 and Figure 4As shown, the lifting driving member 43 further comprises a sliding sleeve 434 sleeved on the outer periphery of the lifting motor 431, the screw rod 432 and the lifting member 433, the sliding sleeve 434 is provided with sliding rails 434a extending along the extension direction of the screw rod 432, and the lifting member 433 is provided with a sliding groove in sliding fit with the sliding rails 434a. In this way, the sliding sleeve 434 can protect the lifting driving member 43 on the outer periphery of the lifting driving member 43 to avoid interference of external objects with the lifting driving member 43 driving the heating member 41. Meanwhile, the sliding sleeve 434 can cooperate between the sliding rails 434a and the sliding groove to enable the lifting member 433 to stably move up and down along the extension direction of the screw rod 432, so that the heating member 41 and the fixing sleeve 421 can stably move close to or away from the paddle 3, thereby enabling the air guide channel 421a to not be dislocated from the paddle 3 when the distance is adjusted, ensuring that the air current formed by the air absorbed by the paddle 3 can pass through the air guide channel 421a, so that the heating assembly 4 can effectively ensure that the paddle 3 does not appear to be iced.

[0053] Illustratively, the number of sliding rails 434a and the number of sliding grooves can be multiple, the multiple sliding rails 434a are arranged at intervals in the circumferential direction of the sliding sleeve 434, and the sliding grooves are in one-to-one sliding fit with the sliding rails 434a. Optionally, the number of sliding grooves and the number of sliding rails 434a are both two, and the two sliding rails 434a are oppositely arranged.

[0054] In other embodiments, the lifting driving member 43 can also comprise a telescopic cylinder fixed to the machine body 1, and the telescopic end of the telescopic cylinder is drivingly connected with the connecting rod 422.

[0055] In one embodiment, as shown in Figure 2 and Figure 3 The unmanned aerial vehicle 100 further comprises a protection ring 6 and a plurality of protection rods 7, the plurality of protection rods 7 are arranged at intervals in the circumferential direction of the paddle 3 and are arranged at intervals with the paddle 3, one end of each of the plurality of protection rods 7 is fixedly connected with the fixing sleeve 421, and the other end is connected with the protection ring 6. In this way, the protection rod 7, the protection rod 7 and the fixing sleeve 421 can build a protection structure on the outer periphery of the paddle 3, thereby avoiding installation accidents of the unmanned aerial vehicle 100 when the paddle 3 contacts external objects during flight, and improving the safety of the unmanned aerial vehicle 100 during flight.

[0056] In one embodiment, as shown in Figure 2 and Figure 3 The unmanned aerial vehicle 100 further comprises a support leg 8, the support leg 8 is arranged on the machine body 1, and the support leg 8 is used to support the unmanned aerial vehicle 100 on the ground. In this way, when the unmanned aerial vehicle 100 does not perform a flight task, it can be stopped on the ground through the support leg 8.

[0057] Optionally, as shown in Figure 3 The number of support legs 8 can be two, and the two support legs 8 are oppositely arranged at intervals.

[0058] Any combination of the technical features in the above embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, any combination of the technical features should be considered as within the scope of the present disclosure, as long as the combination is not contradictory.

[0059] The above embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the application. It should be pointed out that for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A drone, characterized in that, The utility model relates to a kind of unmanned aerial vehicle, including: Machine body; Connecting arm, one end of the connecting arm is connected with the machine body; Paddle, the paddle is rotationally connected with the one end of the connecting arm away from the machine body; Heating assembly, the heating assembly includes heating piece and support, the heating piece is arranged at the air inlet side of the paddle, and is spaced apart from the paddle, and the heating piece is connected with the machine body by the support; Temperature sensor, the temperature sensor is electrically connected with the heating piece, the temperature sensor is used to detect the temperature of the paddle, and the temperature sensor can control the heating piece to start according to the temperature of the paddle; The support includes fixed sleeve and connecting rod, the fixed sleeve is arranged at the air inlet side of the paddle, the fixed sleeve is provided with the air guide channel that is passed through, the air guide channel is oppositely arranged with the paddle, the heating piece is arranged in the air guide channel, one end of the connecting rod is connected with the machine body, and the other end is connected with the fixed sleeve; The heating piece includes connecting rod and multiple heating rods, the multiple heating rods are spaced apart along the circumference of the air guide channel, each of the heating rods extends along the radial direction of the air guide channel, one end of each of the heating rods is connected with the fixed sleeve, and the other end is connected with the connecting rod, the temperature sensor is electrically connected with the multiple heating rods, and the temperature sensor can control the multiple heating rods to start according to the temperature of the paddle; The side of the heating rod away from the paddle is arranged in the shape of arc protruding away from the side of the paddle; The heating assembly further includes lifting drive, the lifting drive is arranged in the machine body, and is drivingly connected with the connecting rod, the lifting drive is electrically connected with the temperature sensor, and the temperature sensor can control the start of the lifting drive according to the temperature of the paddle, so that the heating piece can move close to or away from the paddle under the driving of the lifting drive; The lifting drive includes lifting motor, screw rod and lifting piece, the lifting motor is fixedly connected with the machine body, the lifting motor is electrically connected with the temperature sensor, the relative direction of the paddle and the heating piece is consistent with the extension direction of the screw rod, one end of the screw rod is drivingly connected with the lifting motor, the other end is threadedly connected with the lifting piece, the lifting piece is fixedly connected with the connecting rod, and the temperature sensor can control the start of the lifting motor according to the temperature of the paddle, so that the heating piece moves close to or away from the paddle.

2. The drone of claim 1, wherein, The lifting drive further includes sliding sleeve, the sliding sleeve is sleeved on the outer periphery of the lifting motor, the screw rod and the lifting piece, the sliding sleeve is provided with sliding rail extending along the extension direction of the screw rod, and the lifting piece is provided with sliding groove, and the sliding groove is slidingly matched with the sliding rail.

3. The drone of claim 1, wherein, The unmanned aerial vehicle further includes protection ring and multiple protection rods, the multiple protection rods are spaced apart along the circumference of the paddle and are spaced apart from the paddle, one end of the multiple protection rods is fixedly connected with the fixed sleeve, and the other end is connected with the protection ring.

4. The drone of claim 1, wherein, The number of the connecting arms, the number of the paddles and the number of the heating assemblies are multiple, the multiple connecting arms are arranged at intervals along the circumference of the machine body, and the connecting arms, the paddles and the heating assemblies are arranged one by one, each of the heating assemblies is electrically connected with the temperature sensor, and the temperature sensor can control multiple heating assemblies to start according to the detected temperature of the paddle.

5. The drone of claim 4, wherein, The number of the connecting arms, the number of the paddles and the number of the heating assemblies are four, and the four connecting arms are uniformly arranged at intervals along the circumference of the machine body.

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