Snow accumulation prevention structure of ice surface rescue unmanned aerial vehicle and ice surface rescue unmanned aerial vehicle

Abstract

The invention relates to an ice surface rescue unmanned aerial vehicle accumulated snow prevention structure and an ice surface rescue unmanned aerial vehicle, and discloses the snow prevention structure which can guide accumulated snow or crushed ice through cooperation of a conical top and an inclined-plane-shaped intercepting net, reduce attachment and accumulation of the accumulated snow or the crushed ice on the intercepting net, reduce abrasion of flying fan blades and improve the ice surface rescue efficiency. The device is characterized in that the device is composed of rack wings, air guide through holes, a conical top, inclined supporting rods, an intercepting net, a ring bottom, threads, thread grooves and fixing rings, the rack wings are correspondingly provided with the air guide through holes, the top faces of the rack wings are correspondingly provided with the fixing rings, the edges of the inner side faces of the fixing rings are connected with the edges of the air guide through holes, and the conical top is provided with the inclined supporting rods. A threaded groove is formed in the side face of the fixing ring, threads are formed in the inner side face of the ring bottom, the threads correspond to the threaded groove, the inner side face of the ring bottom is in threaded connection with the side face of the fixing ring in the mode that the threads are matched with the threaded groove, and the conical top is located over the air guide through hole.

Description

Technical Field

[0001] The present invention discloses an anti-snow accumulation structure for an ice surface rescue UAV and an ice surface rescue UAV, which relate to an anti-snow accumulation structure installed on an ice surface rescue UAV, and belong to the technical field of ice surface rescue, and particularly to an anti-snow accumulation structure which can divert accumulated snow or crushed ice by using a conical top to cooperate with an inclined interception net, reduce the adhesion and accumulation of accumulated snow or crushed ice on the interception net, reduce the wear of flight fan blades, and improve the efficiency of ice surface rescue. Background Art

[0002] When the weather is cold, the river surface will freeze due to the drop in temperature. Affected by factors such as sunlight, water flow speed, wind force, and nearby human activities, the thickness of the ice layer in different areas of the river surface is different. When people skate on the ice, it is difficult to accurately judge the thickness of the ice layer with the naked eye. The pressure on the ice layer caused by skating on the ice surface for a long time and the influence of sunlight will cause the ice layer to crack, which is prone to falling into the water. According to measurements, people will lose sensation in their limbs after 15 minutes in water below 0°, and in water between 0° and 10°, their limbs will become numb and stiff after 4 minutes, and they will lose the ability to save themselves and cooperate with rescue. Therefore, it is necessary to rescue people who fall into the water in time. At present, the main method of ice rescue is manual. Rescuers tie safety ropes on the shore, and then carry ladders, lifebuoys and other tools to climb ice to reach the location of the person who fell into the water and rescue the person who fell into the water. Because the friction of the human body on the ice surface is small, rescuers will slide back and forth on the ice surface. Manual rescue is inefficient and labor-intensive, and there is a risk of rescuers falling into the water.

[0003] Announcement No. CN206968953U discloses a remote-controlled ice rescue robot, including a shell and a remote control. A support plate is provided on the inner side wall of the shell, and an automatic wire reel and a rope thrower are provided on the support plate. The automatic wire reel and one end of the rope are fixed, and an ice claw is fixed to the other end of the rope. A support rod is provided between the rope thrower and the support plate. A throwing port is provided on the shell opposite to the rope thrower, a ventilation window is provided on the side wall of the shell, and a handle is provided on the outside of the ventilation window. A heater is provided in the shell opposite to the ventilation window. A motor, a blower and a controller are also provided in the shell. The blower is connected to the airbag through an air supply pipe. The bottom of the shell is fixed to one end of a connecting rod, and a driving wheel and a driven wheel are provided on the other end of the connecting rod. The driving wheel and the driven wheel are connected by tracks. The ice rescue robot drops crampons onto the ice surface, fixes the crampons on the ice surface, and then the person who falls into the water grabs the handle and pulls the person out of the water. However, the crampons are only fixed on the ice surface, and under the pressure and shaking of the person who falls into the water, the crampons may loosen, and the ice rescue robot may fall into the water, making it impossible to continue rescuing the person who falls into the water. Moreover, the ice rescue robot only pulls the person who falls into the water out of the water, but cannot quickly bring the person back to the shore. After being soaked in water for a long time, the person who falls into the water will experience numbness and stiffness of the limbs and needs timely medical treatment. However, the rescuers cannot quickly reach the rescue site to treat the person who falls into the water due to the slippery ice surface, resulting in the person who falls into the water being unable to quickly recover his body functions.

[0004] In order to improve the above problems, the applicant filed a Chinese invention patent application entitled "A UAV for Ice Rescue". The flight blades are respectively placed in the air perforations opened on the wings of the frame, and the plane-shaped protective net protects the flight blades. In snowy weather, when the flight blades rotate and drive the drone to the location where the person fell into the water, the snowflakes have a strong adhesion to the plane-shaped protective net, which easily causes snow accumulation, affects the air permeability of the protective net, and then affects the rotation of the flight blades; when the pull rope drives the drone back to the support platform, the snow removal teeth on the cross slide board are used to clean the snow or crushed ice on the ice surface. The snow or crushed ice will splash onto the protective net. The snow or crushed ice has a strong adhesion to the plane-shaped protective net, and will enter the air perforations through the mesh of the protective net and hit the flight blades, causing wear of the flight blades, affecting the flight of the drone, and low ice rescue efficiency. Summary of the invention

[0005] In order to improve the above situation, the present invention provides an anti-snow accumulation structure for an ice surface rescue UAV and an ice surface rescue UAV, which provides an anti-snow accumulation structure through a conical top and an inclined interception net, which can divert accumulated snow or crushed ice, reduce the adhesion and accumulation of accumulated snow or crushed ice on the interception net, reduce the wear of flight fan blades, and improve the efficiency of ice surface rescue.

[0006] The anti-snow structure of an ice rescue drone and the ice rescue drone of the present invention are realized as follows: the anti-snow structure of an ice rescue drone of the present invention is composed of a frame wing, an air guide perforation, a conical top, an inclined support rod, an interception net, a ring bottom, a thread, a thread groove and a fixing ring. There are corresponding air guide holes on the wings of the frame. The top surfaces of the frame wings are respectively provided with fixing rings, and the inner side edges of the fixing rings are connected to the edges of the air guide holes. The side of the fixing ring is provided with a thread groove. The inner side surface of the ring bottom is provided with threads, the threads correspond to the thread grooves, and the inner side surface of the ring bottom is screwed to the thread grooves and the side surface of the fixing ring through the threads. The conical top is located directly above the air guide through hole. The outer diameter of the conical top is constant from one end to the half point, and gradually decreases in an arc shape from the half point to the other end. One end of the conical top is close to the air guide through hole. One end of the oblique support rod is placed on the top surface of the ring bottom, and the other end of the oblique support rod is placed on the edge of one end of the conical top. Preferably, there are a plurality of the oblique support rods, one end of the plurality of the oblique support rods are equidistantly arranged along the top surface of the ring bottom, and the other end of the plurality of the oblique support rods are equidistantly arranged along the edge of one end of the conical top. Preferably, the oblique support rod is a telescopic structure. Preferably, the oblique support rod is an arc-shaped structure. Preferably, the outer diameter of one end of the conical top is greater than the outer diameter of the ring bottom. Preferably, the conical top is a hollow structure. Preferably, a plurality of snow guide grooves are evenly opened on the side of the conical top, the inlet of the snow guide groove is deep and the outlet is shallow, and the inlet height of the snow guide groove is greater than the outlet height. Preferably, a plurality of snow-guiding protrusions are evenly arranged on the side of the conical top, and the surface of the snow-guiding protrusions is a rough structure. An interception net is placed between one end of the conical top and the inner side surface of the ring bottom, one end of the interception net is connected to the edge of one end of the conical top, the other end of the interception net is connected to the edge of the inner side surface of the ring bottom, and the side surface of the interception net is connected to the side surfaces of the plurality of oblique support rods; Preferably, the interception net has dense mesh and small outer diameter. Preferably, the mesh of the interception net is a hexagonal or octagonal structure. Preferably, the side surfaces of the interception net and the plurality of oblique support rods are connected respectively by a plurality of elastic ropes arranged at equal distances. Furthermore, a plurality of ventilation holes are evenly opened on the side of the conical top, and the ventilation holes are pear-shaped holes with large inlets and small outlets; Furthermore, a guide platform is placed on the conical top, and the guide platform is placed on the side of the conical top through a through hole opened in the middle. The guide platform is close to one end of the conical top, and the height of the guide platform gradually decreases from one end connected to the side of the conical top to the other end.

[0007] The present invention also relates to an ice rescue drone, which is composed of a flight component, a drive component, a pull rope component, a storage component and a sliding component. The flight assembly is composed of a frame, a frame head, a frame tail, a frame middle, a frame wing, a float, a first screw, an L-shaped fixing plate, a lighting lamp and a first handle. The rack includes three parts: a rack head, a rack tail and a rack middle part. The two ends of the rack middle part correspond to one end of the rack head and one end of the rack tail. The frame is a hollow structure, and the edge of the frame is an arc-shaped inwardly concave structure. The four corners of the frame are respectively provided with frame wings, and the frame wings are arc-shaped structures. A group of L-shaped fixing plates are respectively disposed on both sides of the middle part of the frame, and each group has two L-shaped fixing plates. The two L-shaped fixing plates in the same group are respectively disposed on the top surface and the bottom surface of the middle part of the frame by a plurality of first screws. Floating bodies are disposed on both sides of the middle of the frame, and the floating bodies are U-shaped structures. The two ends of the floating bodies are connected to the two L-shaped fixing plates in the same group. Lights are provided on both sides of the top surface of the frame head. The first handle is placed at the other end of the frame. Preferably, the first handle has anti-slip grooves. The driving assembly is composed of a body, a frame rod, a second motor, a waterproof shell, a first rotating shaft, a flight fan blade, a protective net, a ring, an air guide hole, a camera and a speaker. The frame is placed on the top surface of the body, the body is a hollow structure, the length of the body is smaller than the length of the frame, and the width of the body is smaller than the width of the frame. The wings of the frame are respectively provided with air guide holes. The top surfaces of the frame wings are respectively provided with circular rings, and the inner side edges of the circular rings are connected to the edge of one end of the air guide holes. A protective net is arranged on the inner side of the ring, and the edge of the protective net is connected to the edge of the inner side of the ring. The four corners of the machine body are respectively provided with one end of a frame rod, and the other end of the frame rod is located directly below the other end of the air guide hole. The waterproof housing is embedded in a through hole opened on the top surface of the other end of the rack rod. The second motor is placed in the waterproof housing. One end of the first rotating shaft passes through a through hole opened on the top surface of the waterproof housing and is connected to the motor shaft of the second motor. The middle part of the flying blade is sleeved on the other end of the first rotating shaft through the through hole. A camera is disposed at one end of the body, the camera is close to the first handle, and a pressure sensor is disposed on the first handle. A speaker is disposed at one end of the body. The pull rope assembly is composed of a limit plate, a limit column, a support platform, a pull rope, a first motor, a second rotating shaft, an electric telescopic rod and an L-shaped rope limit plate. The supporting platform is a U-shaped structure. A limiting column is disposed on the top surface of one side of the support platform, and a first motor is disposed on the top surface of the other side of the support platform. Two limiting plates are located between the limiting column and the first motor, one of the limiting plates is connected to the limiting column, and the other limiting plate is connected to the first motor. One end of the second rotating shaft is placed in the middle of one of the limiting plates through a bearing, and the other end of the second rotating shaft passes through a through hole opened in the middle of the other limiting plate and is connected to the motor shaft of the first motor, and a bearing is placed between the second rotating shaft and the other limiting plate. One end of the pull rope is wound around the side of the second rotating shaft. One end of the L-shaped rope limiting plate is placed at the other end of the machine body, and the L-shaped rope limiting plate is close to the tail of the frame. One end of the electric telescopic rod is placed at the other end of the machine body and is located above the L-shaped rope limiting plate. The other end of the electric telescopic rod is in contact with the side surface of the other end of the L-shaped rope limiting plate. The other end of the pull rope is placed on the other end side of the L-shaped rope limiting plate. The storage assembly is composed of a limit plate, a rectangular opening and a box body. The box is placed in the middle of the top surface of the frame, and the box is a structure with an open top surface. Limiting plates are respectively arranged on both sides of the top surface of the box body, and both ends and one side of the limiting plates are respectively connected to the edges of the top surface of the box body. A rectangular opening is arranged between the other sides of the two limit plates. The sliding assembly is composed of a slide plate, snow removal saw teeth, a slide plate groove, a second screw, a third rotating shaft, a magnet, a pad and an iron sheet. The slide plate comprises two vertical slide plates and two horizontal slide plates. Two horizontal slide plates are arranged between the two vertical slide plates. The bottom surfaces of the two transverse slide plates correspond to the slide plate grooves respectively. A plurality of second screws are equidistantly arranged in the slide slot, and the transverse slide is detachably arranged at two ends of the bottom surface of the machine body through the plurality of second screws. The length of the cross slide is greater than the width of the machine body. The side of the horizontal slide plate is provided with snow-removing saw teeth, which are triangular prism structures with the edges facing the rear of the frame. Preferably, there are a plurality of snow-removing saw teeth, and the plurality of snow-removing saw teeth are arranged equidistantly along the side of the transverse sliding plate. The two ends of the third rotating shaft are respectively placed on the sides of the two vertical slide plates through bearings, and the third rotating shaft is close to the front of the frame. One end of the pad is placed on the side of the third rotating shaft, and a magnet is placed on the top surface of the other end of the pad. An iron sheet is placed on the bottom surface of the pad cloth, and the iron sheet corresponds to the magnet. Preferably, the pad is made of a buoyant material with a density less than that of water. Preferably, the ice rescue drone further comprises a control system, which comprises a monitoring background, a signal converter, a data processor and a controller. The signal converter is placed on the support platform, the data processor is placed on the support platform, and the controller is placed on the support platform. The camera and the pressure sensor are connected to the signal converter via a data line. The electric telescopic rod, the lighting lamp, the speaker, the first motor, and the second motor are connected to the controller via data transmission lines respectively. The controller and the monitoring background establish signal interaction, The signal converter is connected to the data processor via a data transmission line, and the data processor is connected to the controller via a data transmission line. The signal converter can convert the electrical signal of the image data collected by the camera into a digital signal. The controller can be implemented by one or at least two application-specific integrated circuits (ASICs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors or other electronic components for executing instructions of the data processing device. The data processor and the signal converter perform information exchange, When the control system is executed, the following steps are mainly implemented: The support platform is installed on the river bank, and the pad is stored on the bottom surface of the machine body through the adsorption force of magnets and iron sheets. When the monitoring background receives an alarm call that someone has fallen into the water, the position of the person who has fallen into the water and the distance to the support platform are determined, and the outbound flight route and the return glide route are set for the machine body. The controller starts the first motor and the second motor. The first motor drives the second shaft to rotate, the second shaft drives the pull rope to rotate, the second motor drives the first shaft to rotate, the first shaft drives the flying blades to rotate, and the flying blades drive the machine body and the pull rope to fly to the falling position of the person who has fallen into the water according to the preset outbound flight route. The camera collects image data of the ice surface and sends the collected image data signal to the signal converter. The signal converter converts the electrical signal of the received image data signal into a digital signal and sends it to the data processor. The data processor processes the digital signal of the received image data and identifies the brightness value in the image data. When the brightness value of the image is lower than the preset brightness value, an execution instruction is sent to the controller. The controller controls the lighting to start. When the machine body approaches the water surface where the person who has fallen into the water is located, the controller controls the first motor to start. The first motor stops and the second motor stops, the horn starts, and the machine body floats on the water surface through the floats on both sides. The monitoring background reminds the person who falls into the water through the horn to grab the first handle, open it and climb onto the mat. When there are multiple people who fall into the water, after a person who falls into the water grabs the first handle, he can take out the life-saving equipment such as the life-saving ball and the life buoy stored in the box and throw them to other people who fall into the water to provide support for them. The pressure sensor collects the pressure data on the first handle and sends the collected pressure data signal to the signal converter. The signal converter converts the electrical signal of the received pressure data signal into a digital signal and sends it to the data processor. The data processor processes the digital signal of the received pressure data. When the pressure data is greater than the preset pressure data, it means that the person who falls into the water has grasped the first handle, and sends an execution instruction to the controller. The controller controls the first motor to start, the first motor drives the second shaft to rotate, the second shaft drives the pull rope to rotate, and the pull rope drives the machine body to slide along the preset return route. The sliding force of the skateboard and the mat on the ice surface and the pulling force of the pull rope drive the person who falls into the water to return to the support platform, thereby completing the rescue of the person who falls into the water. Furthermore, a second handle is disposed on the side of the floating body, and there are two second handles, and the two second handles correspond to the floating body one by one. Furthermore, the vertical sliding plate is replaced by a wide sliding plate, and the width of the wide sliding plate is greater than the width of the vertical sliding plate. Beneficial Effects

[0008] 1. The conical top is used to guide the snowflakes to reduce the snowflakes from entering the air guide holes through the interception net. At the same time, the inclined interception net supported by the oblique support rod can reduce the adhesion and accumulation of snowflakes on the interception net, ensuring the air permeability of the interception net and the normal rotation of the flight fan blades, and the efficiency of ice rescue is higher.

[0009] Second, the flying snow or broken ice can be diverted through the conical top, and the inclined interception net can reduce the adhesion and accumulation of snow or broken ice on the interception net, reduce the wear of the flight fan blades, and improve the efficiency of ice rescue. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a three-dimensional structural diagram of an ice rescue drone of the present invention; Figure 2 This is a three-dimensional structural diagram of an ice rescue drone of the present invention, in which only the structure of the first screw and the L-shaped fixing plate are shown; Figure 3 This is a three-dimensional structural diagram of an ice rescue drone of the present invention, in which only the structures of the flight component and the gliding component are shown; Figure 4 This is a three-dimensional structural diagram of an ice rescue drone of the present invention, in which only the structures of the camera and the lighting lamp are shown; Figure 5 This is a three-dimensional structural diagram of an ice rescue drone of the present invention, in which only the structures of the first rotating shaft and the second motor are shown; Figure 6 This is a three-dimensional structural diagram of an ice rescue drone of the present invention, in which only the structure of the slide slot and the second screw are shown; Figure 7 This is a three-dimensional structural diagram of Embodiment 2 of an ice rescue drone of the present invention; Figure 8 This is a three-dimensional structural diagram of Embodiment 3 of an ice rescue drone of the present invention; Fig. 9 This is a three-dimensional structural diagram of an anti-snow structure of an ice rescue drone of the present invention; Fig.10 This is a three-dimensional structural diagram of an anti-snow structure of an ice rescue drone of the present invention, in which only the structure of the thread groove and the thread are shown; Fig.11 It is a three-dimensional structural diagram of embodiment 2 of an anti-snow structure of an ice rescue drone of the present invention; Fig.12 This is a three-dimensional structural diagram of Example 3 of an anti-snow structure for an ice rescue drone of the present invention. Attached photos

[0011] The components include: a limit plate (1), a limit column (2), a support platform (3), a pull rope (4), a protective net (5), a frame wing (6), a floating body (7), a middle portion of the frame (8), an air guide hole (9), a first rotating shaft (10), a flying fan blade (11), a magnet (12), a pad (13), a first handle (14), a frame head (15), a circular ring (16), a lighting lamp (17), a box body (18), a rectangular opening (19), a limit plate (20), a first motor (21), a second rotating shaft (22), a first screw (23), an L-shaped fixing plate (24), a frame tail (25), an electric telescopic rod ( 26), L-shaped rope limiting plate (27), slide plate (28), snow removal saw teeth (29), machine body (30), iron sheet (31), frame rod (32), frame (33), speaker (34), camera (35), third rotating shaft (36), second motor (37), waterproof housing (38), slide plate groove (39), second screw (40), second handle (41), wide slide plate (42), conical top (43), oblique support rod (44), interception net (45), ring bottom (46), thread (47), thread groove (48), fixing ring (49), vent hole (50), guide platform (51). DETAILED DESCRIPTION Example 1

[0012] The present invention discloses an anti-snow structure for an ice rescue drone, which comprises a frame wing (6), an air guide hole (9), a conical top (43), an oblique support rod (44), an interception net (45), a ring bottom (46), a thread (47), a thread groove (48) and a fixing ring (49). The frame wings (6) are respectively provided with air guide holes (9). The top surfaces of the frame wings (6) are respectively provided with fixing rings (49), and the inner side edges of the fixing rings (49) are connected to the edges of the air guide holes (9). The side surface of the fixing ring (49) is provided with a thread groove (48). The inner side surface of the ring bottom (46) is provided with a thread (47), the thread (47) and the thread groove (48) correspond to each other, and the inner side surface of the ring bottom (46) is screwed together with the thread groove (48) and the side surface of the fixing ring (49) through the thread (47). The conical top (43) is located directly above the air guide through hole (9), the outer diameter of the conical top (43) is constant from one end to the halfway point, and gradually decreases in an arc shape from the halfway point to the other end, and one end of the conical top (43) is close to the air guide through hole (9). One end of the oblique support rod (44) is placed on the top surface of the ring bottom (46), and the other end of the oblique support rod (44) is placed on the edge of one end of the conical top (43). Preferably, there are a plurality of the oblique support rods (44), one end of the plurality of the oblique support rods (44) are equidistantly arranged along the top surface of the ring bottom (46) in the circumferential direction, and the other end of the plurality of the oblique support rods (44) are equidistantly arranged along the edge of one end of the conical top (43) in the circumferential direction. Preferably, the oblique support rod (44) is a retractable structure. Preferably, the oblique support rod (44) is an arc-shaped structure. Preferably, the outer diameter of one end of the conical top (43) is greater than the outer diameter of the annular bottom (46). Preferably, the conical top (43) is a hollow structure. Preferably, a plurality of snow guide grooves are evenly formed on the side of the conical top (43), the inlet of the snow guide groove is deep and the outlet is shallow, and the inlet height of the snow guide groove is greater than the outlet height. Preferably, a plurality of snow-guiding protrusions are evenly arranged on the side surface of the conical top (43), and the surface of the snow-guiding protrusions is a rough structure. An interception net (45) is disposed between one end of the conical top (43) and the inner side surface of the ring bottom (46); one end of the interception net (45) is connected to an edge of one end of the conical top (43); the other end of the interception net (45) is connected to an edge of the inner side surface of the ring bottom (46); and a side surface of the interception net (45) is connected to side surfaces of the plurality of oblique support rods (44); Preferably, the interception net (45) has dense mesh and a small outer diameter. Preferably, the mesh of the interception net (45) is a hexagonal or octagonal structure. Preferably, the side surfaces of the interception net (45) and the plurality of oblique support rods (44) are connected respectively by a plurality of elastic ropes arranged at equal distances. When in use, the snow-proof structure is installed on the ice rescue drone. In snowy weather, when the flight blades (11) rotate to drive the drone to the location where the person falls into the water, the conical top (43) guides the snowflakes to reduce the snowflakes from passing through the interception net (45) and entering the air guide perforations (9). At the same time, the inclined interception net (45) supported by the inclined support rod (44) can reduce the adhesion and accumulation of snowflakes on the interception net (45), thereby ensuring the ventilation of the interception net (45) and the normal rotation of the flight blades (11). When the pull rope (4) drives the drone back to the support plane, the drone is automatically rescued. When the platform (3) is in operation, the snow removal saw teeth (29) on the horizontal sliding plate (28) are used to clear the accumulated snow or crushed ice on the ice surface. The conical top (43) guides the splashed accumulated snow or crushed ice, thereby reducing the accumulated snow or crushed ice from entering the air guide holes (9) through the interception net (45). At the same time, the inclined interception net (45) supported by the inclined support rod (44) can reduce the accumulation of accumulated snow or crushed ice on the interception net (45) and the accumulation of accumulated snow or crushed ice from hitting the flying fan blades (11) through the air guide holes (9), thereby causing the flying fan blades (11) to be worn. The ice rescue efficiency is high. Example 2

[0013] The difference between this embodiment and embodiment 1 is that: a plurality of ventilation holes (50) are evenly opened on the side of the conical top (43), and the ventilation holes (50) are pear-shaped holes with a large inlet and a small outlet; when in use, during the flight of the unmanned aerial vehicle, the air resistance can be reduced, the flight speed can be increased, the ventilation effect of the flying blades (11) can be increased, and the rotation of the flying blades (11) can be promoted; the pear-shaped holes with a large inlet and a small outlet can reduce the accumulation of snowflakes on the conical top (43), and the snowproof effect is better; Example 3

[0014] The difference between this embodiment and embodiment 1 is that: the guide platform (51) is sleeved on the side of the conical top (43) through a through hole opened in the middle, the guide platform (51) is close to one end of the conical top (43), and the height of the guide platform (51) gradually decreases from one end connected to the side of the conical top (43) to the other end; when in use, the guide platform (51) cooperates with the conical top (43) to achieve a better diversion effect on accumulated snow or crushed ice, reduce the adhesion and accumulation of accumulated snow or crushed ice on the interception net (45), make the interception net (45) more ventilated, reduce the wear and tear on the flight fan blades (11), and improve the efficiency of ice rescue; The inner side surface of the ring bottom (46) is provided with a thread (47), the thread (47) and the thread groove (48) correspond to each other, and the inner side surface of the ring bottom (46) is designed to be screwed together with the thread groove (48) and the side surface of the fixing ring (49) through the thread (47). After the rescue is completed, the intercepting net (45), the conical top (43) and the oblique support rod (44) can be removed from the fixing ring (49), which is more convenient for storage and replacement; The oblique support rod (44) is designed as a retractable structure, and the height of the oblique retractable rod and the height of the conical top (43) can be adjusted according to the snow protection requirements of the drone, so the structure is more flexible and more practical. The oblique support rod (44) is designed as an arc-shaped structure, which can increase the strength of the oblique support rod (44) during the flight or gliding of the drone, reduce the impact force of wind, snow and broken ice on the oblique support rod (44), and extend the service life of the oblique support rod (44); The design that the outer diameter of one end of the conical top (43) is larger than the outer diameter of the ring bottom (46) can more effectively block and intercept snow and ice, guide the snow and ice outside the ring bottom (46), and provide a larger protection range for the air guide perforations (9) and the interception net (45); The conical top (43) is designed as a hollow structure, which can reduce the weight of the conical top (43), reduce the load-bearing capacity of the UAV, reduce the flight and sliding resistance of the UAV, increase the flight and sliding speed of the UAV, and improve the efficiency of ice rescue; The side surface of the conical top (43) is evenly provided with a plurality of snow guide grooves, the inlet of the snow guide grooves being deep and the outlet being shallow, and the inlet height of the snow guide grooves being greater than the outlet height, so that the accumulated snow or crushed ice falling on the conical top (43) can slide down quickly along the inclination angle of the snow guide grooves, thereby reducing the accumulation on the conical top (43), and the snow guide effect of the conical top (43) is better; A plurality of snow-guiding protrusions are evenly arranged on the side of the conical top (43), and the surface of the snow-guiding protrusions is designed with a rough structure, which can increase the contact area between the conical top (43) and the accumulated snow or crushed ice, so that the accumulated snow or crushed ice can slide off the side of the conical top (43) more easily, reduce the accumulation of the accumulated snow or crushed ice on the conical top (43), reduce the adhesion and accumulation of the accumulated snow or crushed ice on the interception net (45) and reduce the entry of the accumulated snow or crushed ice into the air guide perforations (9), and the snow-guiding effect of the conical top (43) is better; The interception net (45) is designed with dense meshes and a small outer diameter, which can reduce the amount of snow and small ice cubes that pass through the meshes of the interception net (45) and enter the air guide holes (9); The mesh of the interception net (45) is designed with a hexagonal or octagonal structure, so that the surface of the interception net (45) is more uniform, and deformation caused by wind force, sliding force, and adhesion and accumulation of snow or broken ice can be reduced; The side surfaces of the interception net (45) and the plurality of oblique support rods (44) are connected by a plurality of elastic ropes arranged at equal distances. The elastic ropes can increase the deformation of the interception net (45), effectively buffer the impact force and vibration of the interception net (45) caused by snow and ice, and extend the service life of the interception net (45).

[0015] The purpose of guiding the accumulated snow or broken ice by means of the cone-shaped top (43) in cooperation with the inclined interception net (45) is achieved, thereby reducing the adhesion and accumulation of the accumulated snow or broken ice on the interception net (45), reducing the wear of the flying fan blades (11), and improving the efficiency of ice rescue.

[0016] It should be noted that the anti-snow structure is only applicable to the following ice rescue drones: The ice rescue drone of the present invention is realized as follows: The ice rescue drone of the present invention is composed of a flight component, a drive component, a pull rope (4) component, a storage component and a sliding component. The flight assembly is composed of a frame (33), a frame head (15), a frame tail (25), a frame middle (8), a frame wing (6), a float (7), a first screw (23), an L-shaped fixing plate (24), a lighting lamp (17) and a first handle (14). The frame (33) comprises three parts: a frame head (15), a frame tail (25) and a frame middle part (8), wherein two ends of the frame middle part (8) are respectively provided with one end of the frame head (15) and one end of the frame tail (25). The frame (33) is a hollow structure, and the edge of the frame (33) is an arc-shaped inwardly concave structure. The four corners of the frame (33) are respectively provided with frame wings (6), and the frame wings (6) are arc-shaped structures. A group of L-shaped fixing plates (24) are respectively disposed on both sides of the middle portion (8) of the frame, and each group includes two L-shaped fixing plates (24). The two L-shaped fixing plates (24) in the same group are respectively disposed on the top surface and the bottom surface of the middle portion (8) of the frame by means of a plurality of first screws (23). Floating bodies (7) are respectively disposed on both sides of the middle portion (8) of the frame. The floating bodies (7) are U-shaped structures. Both ends of the floating bodies (7) are respectively connected to two L-shaped fixing plates (24) in the same group. Illuminating lamps (17) are respectively disposed on both sides of the top surface of the frame head (15). The first handle (14) is placed at the other end of the frame head (15). Preferably, the first handle (14) has anti-slip grooves. The driving assembly is composed of a body (30), a frame rod (32), a second motor (37), a waterproof housing (38), a first rotating shaft (10), a flying fan blade (11), a protective net (5), a ring (16), an air guide hole (9), a camera (35) and a speaker (34). The frame (33) is placed on the top surface of the body (30); the body (30) is a hollow structure; the length of the body (30) is smaller than the length of the frame (33); the width of the body (30) is smaller than the width of the frame (33); The frame wings (6) are respectively provided with air guide holes (9). The top surfaces of the frame wings (6) are respectively provided with circular rings (16), and the inner side edges of the circular rings (16) are connected to the edge of one end of the air guide through hole (9). A protective net (5) is disposed on the inner side of the circular ring (16), and an edge of the protective net (5) is connected to an edge of the inner side of the circular ring (16). One end of a frame rod (32) is disposed at each of the four corners of the machine body (30), and the other end of the frame rod (32) is located directly below the other end of the air guide hole (9). The waterproof housing (38) is embedded in a through hole opened on the top surface of the other end of the frame rod (32). The second motor (37) is placed in the waterproof housing (38). One end of the first rotating shaft (10) passes through a through hole opened on the top surface of the waterproof housing (38) and is connected to the motor shaft of the second motor (37). The middle portion of the flying blade (11) is sleeved onto the other end of the first rotating shaft (10) through the through hole. A camera (35) is disposed at one end of the body (30), the camera (35) is close to the first handle (14), and a pressure sensor is disposed on the first handle (14). A speaker (34) is disposed at one end of the machine body (30). The pull rope (4) assembly is composed of a limit plate (1), a limit column (2), a support platform (3), a pull rope (4), a first motor (21), a second rotating shaft (22), an electric telescopic rod (26), and an L-shaped rope limit plate (27). The supporting platform (3) is a U-shaped structure. A limiting column (2) is disposed on the top surface of one side of the support platform (3), and a first motor (21) is disposed on the top surface of the other side of the support platform (3). Two limit plates (1) are located between the limit column (2) and the first motor (21), wherein one of the limit plates (1) is connected to the limit column (2), and the other limit plate (1) is connected to the first motor (21). One end of the second rotating shaft (22) is placed in the middle of one of the limiting plates (1) via a bearing, and the other end of the second rotating shaft (22) passes through a through hole opened in the middle of the other limiting plate (1) and is connected to the motor shaft of the first motor (21), and a bearing is placed between the second rotating shaft and the other limiting plate (1). One end of the pull rope (4) is wound around a side surface of the second rotating shaft (22). One end of an L-shaped rope limiting plate (27) is placed at the other end of the machine body (30), and the L-shaped rope limiting plate (27) is close to the frame tail (25). One end of the electric telescopic rod (26) is placed at the other end of the machine body (30) and is located above the L-shaped rope limiting plate (27). The other end of the electric telescopic rod (26) is in contact with the side surface of the other end of the L-shaped rope limiting plate (27). The other end of the pull rope (4) is sleeved on the other end side of the L-shaped rope limiting plate (27). The storage assembly is composed of a limit plate (20), a rectangular opening (19) and a box body (18). The box body (18) is placed in the middle of the top surface of the frame (33), and the box body (18) is a structure with an open top surface. Limiting plates (20) are respectively disposed on both sides of the top surface of the box body (18), and both ends and one side of the limiting plates (20) are respectively connected to the edges of the top surface of the box body (18). A rectangular opening (19) is provided between the other sides of the two limiting plates (20). The sliding assembly is composed of a slide plate (28), snow removal saw teeth (29), a slide plate groove (39), a second screw (40), a third rotating shaft (36), a magnet (12), a pad cloth (13) and an iron sheet (31). The slide plate (28) comprises four parts, namely, two vertical slide plates (28) and two horizontal slide plates (28). Two horizontal slide plates (28) are arranged between the two vertical slide plates (28). The bottom surfaces of the two transverse slide plates (28) correspond to the slide plate grooves (39). A plurality of second screws (40) are equidistantly arranged in the slide plate groove (39), and the transverse slide plate (28) is detachably arranged at two ends of the bottom surface of the machine body (30) by means of the plurality of second screws (40). The length of the transverse sliding plate (28) is greater than the width of the machine body (30). The side surface of the transverse slide plate (28) is provided with snow-removing saw teeth (29), the snow-removing saw teeth (29) are triangular prism structures, and the edges face the frame tail (25). Preferably, there are a plurality of snow-removing saw teeth (29), and the plurality of snow-removing saw teeth (29) are arranged at equal distances along the side of the transverse sliding plate (28). The two ends of the third rotating shaft (36) are respectively placed on the sides of the two vertical slide plates (28) through bearings, and the third rotating shaft (36) is close to the frame head (15). One end of the pad cloth (13) is placed on the side of the third rotating shaft (36), and a magnet (12) is placed on the top surface of the other end of the pad cloth (13). An iron sheet (31) is disposed on the bottom surface of the pad cloth (13), and the iron sheet (31) corresponds to the magnet (12). Preferably, the pad (13) is made of a buoyant body (7) having a density less than that of water. Preferably, the ice rescue drone further comprises a control system, which comprises a monitoring background, a signal converter, a data processor and a controller. The signal converter is placed on the supporting platform (3), the data processor is placed on the supporting platform (3), and the controller is placed on the supporting platform (3). The camera (35) and the pressure sensor are connected to the signal converter via a data line. The electric telescopic rod (26), the lighting lamp (17), the speaker (34), the first motor (21), and the second motor (37) are respectively connected to the controller via data transmission lines. The controller and the monitoring background establish signal interaction, The signal converter is connected to the data processor via a data transmission line, and the data processor is connected to the controller via a data transmission line. The signal converter is capable of converting the electrical signal of the image data collected by the camera (35) into a digital signal. The controller can be implemented by one or at least two application-specific integrated circuits (ASICs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors or other electronic components for executing instructions of the data processing device. The data processor and the signal converter perform information exchange, When the control system is executed, the following steps are mainly implemented: The support platform (3) is installed on a river bank, and the pad cloth (13) is stored on the bottom surface of the machine body (30) by the adsorption force of the magnet (12) and the iron sheet (31). When the monitoring background receives an alarm call indicating that someone has fallen into the water, the position of the person who has fallen into the water and the distance to the support platform (3) are determined, and a flight route for the outbound trip and a glide route for the return trip are set for the machine body (30). The control controller starts the first motor (21) and the second motor (37), and the first motor (21) drives the second rotating shaft (22) to rotate, the second rotating shaft (22) drives the pull rope (4) to rotate, the second motor (37) drives the first rotating shaft (10) to rotate, the first rotating shaft (10) drives the flying blades to rotate, and the flying blades ( 11) drives the body (30) and the pull rope (4) to fly to the position where the person falls into the water according to the preset outbound flight route, the camera (35) collects image data of the ice surface, and sends the collected image data signal to the signal converter, the signal converter converts the electrical signal of the received image data signal into a digital signal and sends it to the data processor, the data processor processes the digital signal of the received image data, identifies the brightness value in the image data, and when the brightness value of the image is lower than the preset brightness value, sends an execution instruction to the controller, the controller controls the lighting lamp (17) to start, and when the body (30) approaches the water surface position where the person falls into the water, the controller controls the first motor ( 21) and the second motor (37) are stopped, the horn (34) is started, the machine body (30) floats on the water surface through the floats (7) on both sides, the monitoring background reminds the person who falls into the water to grab the first handle (14), open and climb onto the mat (13) through the horn (34), when there are multiple people who fall into the water, after a person who falls into the water grabs the first handle (14), he can take out the life-saving equipment such as the life-saving ball and the life-saving buoy stored in the box (18) and throw them to other people who fall into the water to provide support for them, the pressure sensor collects the pressure data on the first handle (14), sends the collected pressure data signal to the signal converter, and the signal converter converts the received pressure data signal into an electrical signal The pressure data is converted into a digital signal and sent to a data processor. The data processor processes the digital signal of the received pressure data. When the pressure data is greater than the preset pressure data, it indicates that the person who has fallen into the water has grasped the first handle (14). The controller sends an execution instruction. The controller controls the first motor (21) to start. The first motor (21) drives the second rotating shaft (22) to rotate. The second rotating shaft (22) drives the pull rope (4) to rotate. The pull rope (4) drives the body (30) to slide along a preset return route. The sliding force of the slide plate (28) and the pad (13) on the ice surface and the pulling force of the pull rope (4) drive the person who has fallen into the water to return to the support platform (3), thereby completing the rescue of the person who has fallen into the water. Example 2

[0017] The difference between this embodiment and embodiment 1 is that a second handle (41) is arranged on the side of the floating body (7), and there are two second handles (41), and the two second handles (41) correspond to the floating body (7) one by one. When in use, a person who falls into the water can obtain support by grasping the second handle (41) and climb onto the ice surface, or can return to the support platform (3) driven by the body (30) through the sliding force on the ice surface and the pulling force of the pull rope (4) to obtain rescue. The second handle (41) cooperates with the first handle (14), so that the drone can rescue multiple people who fall into the water at the same time, and the rescue efficiency is higher. Example 3

[0018] The difference between this embodiment and embodiment 1 is that: the vertical sliding plate (28) is replaced by a wide sliding plate (42), and the width of the wide sliding plate (42) is greater than the width of the vertical sliding plate (28); when in use, the contact area between the wide sliding plate (42) and the ice surface is larger, thereby improving the gliding stability of the drone during the return journey and reducing the possibility of the drone sliding back and forth or tipping over due to the slippery ice surface, causing injuries to people falling into the water and damage to the drone; The first handle (14) is provided with anti-slip grooves, which can effectively increase the gripping force between the person who falls into the water and the first handle (14), ensuring that the person who falls into the water firmly grasps the first handle (14), thereby reducing the risk of falling into the water again and the risk of falling from the mat (13) onto the ice surface during the sliding process of returning to the support platform (3); One end of the electric telescopic rod (26) is placed at the other end of the body (30) and is located above the L-shaped rope limiting plate (27). The other end of the electric telescopic rod (26) is in contact with the side surface of the other end of the L-shaped rope limiting plate (27). The other end of the pull rope (4) is sleeved on the side surface of the other end of the L-shaped rope limiting plate (27). When the drone performs ice rescue, the other end of the pull rope (4) is limited by the squeezing force between the electric telescopic rod (26) and the L-shaped rope limiting plate (27), so that the other end of the pull rope (4) is tightly fixed on the L-shaped rope limiting plate (27), thereby reducing the sliding of the other end of the pull rope (4) on the L-shaped rope limiting plate (27) and preventing the other end of the pull rope (4) from falling off the L-shaped rope limiting plate (27). There are a plurality of snow-removing saw teeth (29), and the plurality of snow-removing saw teeth (29) are arranged equidistantly along the side of the transverse sliding plate (28). When the machine body (30) slides on the ice surface via the sliding plate (28) to return to the support platform (3), there may be broken ice on the ice surface. When the transverse sliding plate (28) slides forward, the snow-removing saw teeth (29) can clear the broken ice, thereby reducing sliding resistance, so that the machine body (30) can drive the person who falls into the water to quickly return to the support platform (3), thereby improving the rescue efficiency. The pad (13) is designed to be made of a light floating body (7) with a density less than that of water, and can float on the water surface when the machine body (30) falls on the water surface to rescue a person who has fallen into the water, thereby increasing the buoyancy of the machine body (30) and providing support for the person who has fallen into the water, thereby improving the rescue efficiency; in the process of moving the person who has fallen into the water to the support platform (3), the pad (13) can prevent the person who has fallen into the water from being injured by friction caused by direct contact between the body of the person who has fallen into the water and the ice surface; The design of the storage component can store life-saving equipment such as life-saving balls and life buoys in advance in the box (18). When there are many people in the water and the drone cannot rescue them at the same time, it can provide effective support for other people in the water, thereby minimizing casualties; The driving assembly, the pull rope (4) assembly and the sliding assembly are designed to cooperate with each other. When a person who falls into the water contacts the first handle (14), the pulling force of the pull rope (4) driven by the first motor (21) and the sliding force of the slide plate (28) driven by the second motor (37) are used. The dual power can quickly move the person who falls into the water to the position of the support platform (3), thereby improving the rescue efficiency.

[0019] The purpose of the drone for ice rescue is achieved by being able to drive the drone to fly to the location where the person fell into the water through the driving component, and to drive the person who fell into the water back to the support platform (3) through the pull rope (4) component and the sliding component.

[0020] After considering the specification and practicing the invention disclosed herein, those skilled in the art will easily think of other similar embodiments of the present invention. This application is intended to cover any modified uses or adaptive changes of the present invention. These modifications or uses, applicability changes follow the general principles of the present invention and include common knowledge or customary technical means in the technical field that are not disclosed in the present invention.

[0021] It should be noted that, for the sake of simplicity, the specific implementation mode of the present invention describes the data processing process of the controller as a series of action combinations. However, those skilled in the art should know that the present invention is not limited to the described actions, because according to the present invention, certain steps can be performed sequentially or simultaneously. Secondly, those skilled in the art should also know that the actions described and involved in the specification are not necessarily required by the present invention. The described contents are only preferred implementation cases of the present invention and cannot be considered to limit the scope of implementation of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation modes and application scopes. In summary, the contents of this specification should not be understood as limiting the present invention.

Claims

1. An anti-snow structure for an ice rescue drone, characterized by: The invention comprises a frame wing, an air guide through hole, a conical top, an oblique support rod, an interception net, a ring bottom, a thread, a thread groove and a fixing ring, the frame wings are respectively provided with air guide through holes, the top surfaces of the frame wings are respectively provided with fixing rings, the inner side edge of the fixing ring is connected with the edge of the air guide through hole, the side surface of the fixing ring is provided with a thread groove, the inner side surface of the ring bottom is provided with a thread, the thread and the thread groove correspond to each other, the inner side surface of the ring bottom is screwed with the thread groove and the side surface of the fixing ring through the thread, the conical top is located directly above the air guide through hole, one end of the oblique support rod is placed on the top surface of the ring bottom, the other end of the oblique support rod is placed on one end edge of the conical top, an interception net is placed between one end of the conical top and the inner side surface of the ring bottom, one end of the interception net is connected with one end edge of the conical top, the other end of the interception net is connected with the inner side edge of the ring bottom, and the side surface of the interception net is connected with the side surfaces of multiple oblique support rods.

2. The anti-snow structure for an ice rescue drone according to claim 1 is characterized in that A plurality of ventilation holes are evenly arranged on the side surface of the conical top, and the ventilation holes are pear-shaped holes with a large inlet and a small outlet.

3. The anti-snow structure for an ice rescue drone according to claim 1 is characterized in that A guide platform is arranged on the conical top, and the guide platform is arranged on the side of the conical top through a through hole in the middle. The guide platform is close to one end of the conical top, and the height of the guide platform gradually decreases from one end connected to the side of the conical top to the other end.

4. The anti-snow structure for ice rescue drone according to claim 1 is characterized in that The outer diameter of the conical top is constant from one end to the half point, and gradually decreases in an arc shape from the half point to the other end. One end of the conical top is close to the air guide through hole.

5. The anti-snow structure for ice rescue drone according to claim 1 is characterized in that There are multiple inclined support rods, one end of which is equidistantly arranged along the top surface of the ring bottom, and the other end of which is equidistantly arranged along the edge of one end of the conical top.

6. The anti-snow structure for an ice rescue drone according to claim 5, characterized in that The oblique support rod is a retractable structure, and the height of the oblique telescopic rod and the height of the conical top can be adjusted according to the snow protection requirements of the drone. The structure is more flexible and more practical. The oblique support rod is an arc structure, which can increase the strength of the oblique support rod during the flight or gliding of the drone, reduce the impact of wind, snow and broken ice on the oblique support rod, and extend the service life of the oblique support rod.

7. The anti-snow structure for ice rescue drone according to claim 1 is characterized in that The outer diameter of one end of the conical top is larger than the outer diameter of the ring bottom, which can more effectively block and intercept accumulated snow and crushed ice, and guide the accumulated snow and crushed ice outside the ring bottom, thereby increasing the protection range of the air guide perforations and the interception net. The conical top is a hollow structure, which can reduce the weight of the conical top, reduce the load-bearing capacity of the UAV, reduce the flight and sliding resistance of the UAV, increase the flight and sliding speed of the UAV, and improve the efficiency of ice rescue.

8. The anti-snow structure for ice rescue drone according to claim 7 is characterized in that A plurality of snow guide grooves are evenly arranged on the side of the conical top, the inlet of the snow guide grooves is deep and the outlet is shallow, and the inlet height of the snow guide grooves is greater than the outlet height. The accumulated snow or crushed ice falling on the conical top can slide down quickly along the inclination angle of the snow guide grooves, reducing the accumulation on the conical top, and the snow guiding effect of the conical top is better; a plurality of snow guide protrusions are evenly arranged on the side of the conical top, and the surface of the snow guide protrusions is a rough structure.

9. The anti-snow structure for ice rescue drone according to claim 1 is characterized in that The mesh holes of the interception net are dense and have a small outer diameter, which can reduce the entry of accumulated snow and small ice cubes into the air guide perforations through the mesh holes of the interception net; the mesh holes of the interception net are hexagonal or octagonal structures, which make the surface of the interception net more uniform and can reduce deformation caused by wind, sliding force and the adhesion and accumulation of snow or crushed ice; the side surfaces of the interception net and the multiple oblique support rods are respectively connected by multiple equidistantly arranged elastic ropes, which can increase the deformation of the interception net, effectively buffer the impact force and vibration of the wind, snow and crushed ice on the interception net, and extend the service life of the interception net.

10. The anti-snow structure for an ice rescue drone according to claim 1, characterized in that The ice rescue drone described is composed of a flight component, a drive component, a pull rope component, a storage component and a sliding component. The flight component is composed of a frame, a frame head, a frame tail, a frame middle, a frame wing, a float, a first screw, an L-shaped fixing plate, a lighting lamp and a first handle. The frame includes three parts: a frame head, a frame tail and a frame middle. The two ends of the middle of the frame are respectively corresponding to one end of the frame head and one end of the frame tail. The frame is a hollow structure, and the edge of the frame is an arc-shaped inwardly concave structure. The four corners of the frame are respectively corresponding to the frame wings. The frame wings are arc-shaped structures. A group of L-shaped fixing plates are respectively corresponding to the two sides of the middle of the frame. There are two L-shaped fixing plates in each group, and the L-shaped fixing plates in the same group The two L-shaped fixing plates are respectively placed on the top surface and the bottom surface of the middle part of the frame through a plurality of first screws, and floating bodies are respectively placed on both sides of the middle part of the frame, and the floating body is a U-shaped structure, and the two ends of the floating body are respectively connected to the two L-shaped fixing plates in the same group, and lighting lamps are respectively placed on both sides of the top surface of the frame head, and a first handle is placed at the other end of the frame head, and the first handle has anti-slip grooves, and the driving assembly consists of a body, a frame rod, a second motor, a waterproof shell, a first rotating shaft, a flying fan blade, a protective net, a ring, an air guide perforation, a camera and a speaker, and the frame is placed on the top surface of the body, and the body is a hollow structure, the length of the body is less than the length of the frame, and the width of the body is less than The width of the frame, the frame wings are respectively provided with air guide holes, the top surfaces of the frame wings are respectively provided with circular rings, the inner side edge of the circular ring is connected to the edge of one end of the air guide hole, the inner side of the circular ring is provided with a protective net, the edge of the protective net is connected to the inner side edge of the circular ring, the four corners of the body are respectively provided with one end of a frame rod, the other end of the frame rod is located directly below the other end of the air guide hole, the waterproof shell is embedded in the through hole opened on the top surface of the other end of the frame rod, the second motor is placed in the waterproof shell, one end of the first rotating shaft passes through the through hole opened on the top surface of the waterproof shell and is connected to the motor shaft of the second motor, and the middle part of the flight fan blade is placed through the through hole sleeve The other end of the first rotating shaft, one end of the body is provided with a camera, the camera is close to the first handle, the first handle is provided with a pressure sensor, one end of the body is provided with a speaker, the pull rope assembly is composed of a limit plate, a limit column, a support platform, a pull rope, a first motor, a second rotating shaft, an electric telescopic rod and an L-shaped rope limit plate, the support platform is a U-shaped structure, a limit column is provided on the top surface of one side of the support platform, and a first motor is provided on the top surface of the other side of the support platform, two limit plates are located between the limit column and the first motor, one of the limit plates is connected to the limit column, and the other limit plate is connected to the first motor, and one end of the second rotating shaft is placed in the middle of one of the limit plates through a bearing,The other end of the second rotating shaft passes through a through hole opened in the middle of the other limiting plate and is connected to the motor shaft of the first motor, and a bearing is placed between the other limiting plate, one end of the pull rope is wrapped around the side of the second rotating shaft, one end of the L-shaped rope limiting plate is placed on the other end of the body, the L-shaped rope limiting plate is close to the tail of the frame, one end of the electric telescopic rod is placed on the other end of the body, and is located above the L-shaped rope limiting plate, the other end of the electric telescopic rod is in contact with the side of the other end of the L-shaped rope limiting plate, the other end of the pull rope is placed on the side of the other end of the L-shaped rope limiting plate, the storage assembly is composed of a limiting plate, a rectangular opening and a box body, the box body is placed in the middle of the top surface of the frame, and the box body is a top surface opening The structure of the opening, the two sides of the top surface of the box body are respectively provided with limit plates, the two ends and one side of the limit plates are respectively connected to the edges of the top surface of the box body, and a rectangular opening is arranged between the other sides of the two limit plates, the sliding assembly is composed of a slide plate, snow removal saw teeth, a slide plate groove, a second screw, a third rotating shaft, a magnet, a pad and an iron sheet, the slide plate includes four parts: two vertical slide plates and two horizontal slide plates, two horizontal slide plates are arranged between the two vertical slide plates, the bottom surfaces of the two horizontal slide plates respectively correspond to the slide plate grooves, a plurality of second screws are equidistantly arranged in the slide plate grooves, the horizontal slide plate is detachably arranged at the two ends of the bottom surface of the body through the plurality of second screws, the length of the horizontal slide plate is greater than the width of the body, The side of the horizontal slide board is provided with snow-removing saw teeth, and the snow-removing saw teeth are of triangular prism structure, and the edges are toward the tail of the frame. There are multiple snow-removing saw teeth, and the multiple snow-removing saw teeth are arranged equidistantly along the side of the horizontal slide board. The two ends of the third rotating shaft are respectively placed on the sides of the two vertical slide boards through bearings, and the third rotating shaft is close to the head of the frame. One end of the pad cloth is placed on the side of the third rotating shaft, and the top surface of the other end of the pad cloth is provided with a magnet, and the bottom surface of the pad cloth is provided with an iron sheet, and the iron sheet corresponds to the magnet. The pad cloth is made of a light floating material with a density less than that of water. The ice rescue drone also includes a control system, which includes a monitoring background, a signal converter, a data processor and a controller. The signal converter is placed on the support platform, the data processor is placed on the support platform, the controller is placed on the support platform, the camera and the pressure sensor are connected to the signal converter via a data line, the electric telescopic rod, the lighting lamp, the speaker, the first motor, the second motor, and the cylinder are respectively connected to the controller via a data transmission line, the controller and the monitoring background establish signal interaction, the signal converter is connected to the data processor via a data transmission line, the data processor is connected to the controller via a data transmission line, and the signal converter can convert the electrical signal of the image data collected by the camera into a digital signal.The controller can be implemented by one or at least two application-specific integrated circuits (ASICs), programmable logic devices (PLDs), field-programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors or other electronic components, and is used to execute instructions of a data processing device. The data processor and the signal converter exchange information. When the control system is executed, the following steps are mainly implemented: the support platform is installed on the river bank, and the pad is stored on the bottom of the machine body through the adsorption force of magnets and iron sheets. When the monitoring background receives an alarm call that someone has fallen into the water, the position of the person who has fallen into the water and the distance to the support platform are determined, and the outbound flight is set for the machine body. The first motor drives the second shaft to rotate, the second shaft drives the pull rope to rotate, the second motor drives the first shaft to rotate, the first shaft drives the flying blades to rotate, the flying blades drive the fuselage and the pull rope to fly to the falling position of the person who fell into the water according to the preset outbound flight route, the camera collects image data of the ice surface, and sends the collected image data signal to the signal converter, the signal converter converts the electrical signal of the received image data signal into a digital signal and sends it to the data processor, the data processor processes the digital signal of the received image data and identifies the brightness in the image data. When the brightness value of the image is lower than the preset brightness value, an execution instruction is sent to the controller, and the controller controls the lighting to start. When the machine body is close to the water surface where the person who falls into the water is located, the controller controls the first motor and the second motor to stop, the horn is started, and the machine body floats on the water surface through the floats on both sides. The monitoring background reminds the person who falls into the water to grab the first handle through the horn, open it and climb onto the mat. When there are multiple people who fall into the water, after a person who falls into the water grabs the first handle, he can take out the life-saving equipment such as the life-saving ball and life buoy stored in the box and throw them to other people who fall into the water to provide support for them. The pressure sensor collects the pressure data on the first handle and sends the collected data to the The pressure data signal is sent to the signal converter, which converts the electrical signal of the received pressure data signal into a digital signal and sends it to the data processor. The data processor processes the digital signal of the received pressure data. When the pressure data is greater than the preset pressure data, it indicates that the person who falls into the water has grasped the first handle, and sends an execution instruction to the controller. The controller controls the first motor to start, the first motor drives the second shaft to rotate, the second shaft drives the pull rope to rotate, and the pull rope drives the body to slide along the preset return route. The sliding force of the skateboard and the mat on the ice surface and the pulling force of the pull rope drive the person who falls into the water to return to the support platform, completing the rescue of the person who falls into the water.

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