CN108528728B

CN108528728B - Unmanned aerial vehicle for search and rescue

Info

Publication number: CN108528728B
Application number: CN201810338666.6A
Authority: CN
Inventors: 钱文娟; 孙健
Original assignee: Tongling Zhaolin Industrial Co ltd
Current assignee: Shenzhen Ouli Space Technology Co.,Ltd.
Priority date: 2018-04-16
Filing date: 2018-04-16
Publication date: 2020-07-31
Anticipated expiration: 2038-04-16
Also published as: CN108528728A

Abstract

The invention relates to the field of unmanned aerial vehicles, in particular to a search and rescue unmanned aerial vehicle, wherein the bottom of a flight mechanism is fixedly connected with a working box, disaster relief materials are conveyed to the side of a victim by a machine body in the flight process, a GPS (global positioning system) positioner is arranged at the top of the machine body so as to track the flight position of the machine body and find the victim in time, a material storage mechanism is arranged on the surface of the working box, a material control mechanism is arranged at the bottom of the material storage mechanism, when the materials in the storage box fall into the hopper, the hopper is pressed down, a bump positioned at the bottom of the hopper is used for electrically connecting a switch at the bottom of the working box with a safety box, so that a second electric push rod is connected with a power supply, the hopper is overturned upwards by the second electric push rod to convey the materials to the side of the victim for rescue in time, and after the materials in the hopper fall to the side of the victim.

Description

Unmanned aerial vehicle for search and rescue

Technical Field

The invention relates to the field of unmanned aerial vehicles, in particular to a search and rescue unmanned aerial vehicle.

Background

An unmanned aircraft, abbreviated as "drone", and abbreviated in english as "UAV", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer.

However, the traditional search and rescue unmanned aerial vehicle can only find people needing rescue in the process of disaster rescue, the rescue personnel need to find the position of a victim through the unmanned aerial vehicle and then rescue the people needing rescue, the best search and rescue opportunity of the victim is delayed, the existing search and rescue unmanned aerial vehicle cannot quickly and accurately send the disaster rescue articles to the side of the victim, and some victims cannot obtain supplies in time. In view of this, the invention provides a search and rescue unmanned aerial vehicle, which has the following characteristics:

(1) according to the search and rescue unmanned aerial vehicle, the bottom of the flight mechanism is fixedly connected with the work box, so that disaster relief materials are conveyed to the side of a victim by the body in the flight process, and the GPS positioner is arranged at the top of the body, so that the flight position of the body can be conveniently tracked, and the victim can be found in time.

(2) According to the search and rescue unmanned aerial vehicle, the bottom of the working box is rotatably connected with the hopper, and the hopper is rotatably connected with the fixed frame, so that the hopper is overturned by pushing the fixed frame, and quick blanking is realized.

(3) According to the search and rescue unmanned aerial vehicle, the material storage mechanism is arranged on the surface of the working box, the material control mechanism is arranged at the bottom of the material storage mechanism and is matched with the discharging mechanism in the working box, when materials in the storage box fall into the hopper and press down the hopper, the bump at the bottom of the hopper is used for electrically connecting the switch at the bottom of the working box with the safety box, so that the second electric push rod is connected with a power supply, the second electric push rod turns the hopper upwards to deliver the materials to the side of a victim, and the rescue is carried out in time.

(4) According to the search and rescue unmanned aerial vehicle, the power mechanism is arranged between the bottom of the hopper and the surface of the working box, when materials of the hopper fall to the side of a victim, the hopper is reset by the reset spring, the switch is disconnected from the safety box by the steel wire rope, the baffle plate positioned in the buffer box is pushed up by the connecting rod to open the sealing plate and the discharge hole, and multiple blanking rescue is realized.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a search and rescue unmanned aerial vehicle, the bottom of a flight mechanism is fixedly connected with a work box, the purpose that a machine body conveys disaster relief materials to the body of a victim in the flight process is achieved, a GPS (global positioning system) positioner is arranged at the top of the machine body, the flight position of the machine body is convenient to track, the victim is timely found, the bottom of the work box is rotatably connected with a hopper, the hopper is rotatably connected with a fixed frame to push the fixed frame to turn over the hopper, the material is rapidly discharged, a material storage mechanism is arranged on the surface of the work box, a material control mechanism is arranged at the bottom of the material storage mechanism and is matched with a discharging mechanism in the work box, when the materials in the material storage box fall into the hopper, the hopper is pressed downwards, a lug at the bottom of the hopper is electrically connected with a switch at the bottom of the work box and a safety box, a second electric push rod is connected with a power supply, the second electric push rod, timely rescue is equipped with power unit between the bottom of hopper and the surface of work box, and after the material of hopper dropped victim's body, reset spring reset the hopper, and wire rope breaks off switch and safe box, and the baffle that is located the inside of buffer box is opened closing plate and discharge gate by the connecting rod pushup, realizes unloading rescue many times.

The technical scheme adopted by the invention for solving the technical problems is as follows: a search and rescue unmanned aerial vehicle comprises a working box, a control mechanism, a flying mechanism, a fixing nut, a connecting rod, a material storage mechanism, a material control mechanism, a blanking port and a power mechanism; the control mechanism for controlling the whole structure to fly is mounted on the surface of the flying mechanism, the bottom of the flying mechanism is fixedly connected with the connecting rod with a splayed cross section and used for supporting the flying mechanism, the bottom of the connecting rod is fixedly connected with the working box for disaster rescue work through the fixing nut, the top of the working box is fixedly connected with the storage mechanism for storing a large amount of disaster rescue materials, the bottom of the storage mechanism is fixedly connected with the material control mechanism for controlling the lowering of the disaster rescue materials, the material control mechanism penetrates through the inside of the working box, the inside of the working box is provided with the blanking mechanism for controlling the lowering of the disaster rescue materials, the blanking mechanism is fixedly connected with the material control mechanism, and the surface of the working box is rotatably connected with the material control mechanism; the power mechanism is arranged between the working box and the discharging mechanism and used for providing kinetic energy for the discharging mechanism, and the bottom of the working box and the side surface of the material control mechanism are correspondingly provided with the discharging opening.

Specifically, flight mechanism includes locator, wing, organism and camera, four the top fixed connection of connecting rod the organism, the surface mounting of organism the locator, the side and the installation of lateral wall four corners department of organism are used for making the organism keeps flight balance the wing, the bottom installation of organism is used for monitoring the disaster area the camera has realized that overall structure flies to the disaster area, reaches the purpose of searching for and rescuing.

Specifically, control mechanism includes industrial computer, power cord, first electric putter and mounting panel, the top surface installation of organism the industrial computer, the surperficial electric connection of industrial computer the power cord, the lateral wall fixed connection of work box the mounting panel, the surface mounting of mounting panel first electric putter, electric putter runs through the inside of work box, the industrial computer with electric putter passes through power cord electric connection has avoided when not finding the personnel that need search for and rescue the inside article of storing box drop.

Specifically, storage mechanism includes charge door and storing box, the top fixed connection of work box the storing box, the surface is offered at the top of storing box and is the rectangle structure the charge door, just the length of storing box is less than the length of work box has increased overall structure's stability.

Concretely, accuse material mechanism includes buffer box, baffle, pressure spring, spliced pole, closing plate and discharge gate, the bottom fixed connection of storing box the buffer box, the internally mounted of buffer box the pressure spring, just the inside sliding connection of buffer box the baffle, the bottom surface of baffle with the top fixed connection of pressure spring, one side fixed connection of baffle the closing plate, the lateral wall of buffer box is seted up the discharge gate, the closing plate with the discharge gate is contradicted, highly being greater than of closing plate the width of discharge gate is located the lateral wall of buffer box the both ends fixed connection of baffle the spliced pole has realized carrying out regularly quantitative the personnel that drop to the disaster rescue article in the front of the disaster rescue personnel.

The blanking mechanism comprises a hopper, a fixed frame, a rotating plate and a rotating shaft, wherein the bottom of the connecting column is fixedly connected with the inside of the working box, the fixed frame is internally provided with a rotating shaft which is rotatably connected with the hopper, the bottom of the hopper is rotatably connected with the surface of the working box, the side of the fixed frame is rotatably connected with the rotating plate, the other end of the rotating plate is rotatably connected with the side of the working box, the surface of the fixed frame is of a U-shaped structure, the surface of the hopper is of a U-shaped structure, the minimum inner diameter of the fixed frame is equal to the maximum diameter of the hopper, the side wall of the hopper is positioned on the same straight line with the blanking port, the surface of the fixed frame is abutted to a first electric push rod, and the blanking mechanism drops.

Specifically, the power mechanism comprises a convex block, a steel wire rope, a reset spring, a switch, a fuse box and a second electric push rod, the bottom of the hopper is fixedly connected with the convex block with a T-shaped cross section, the reset spring is installed at the bottom of the hopper, the bottom of the hopper is fixedly connected with the steel wire rope, the surface of the working box is electrically connected with the fuse box, the inside of the fuse box is electrically connected with the switch, the switch is fixedly connected with the steel wire rope, the surface of the switch is abutted against the convex block, the other end of the reset spring is fixedly connected with the bottom of the working box, the electric push rod is installed at the bottom of the working box and electrically connected with the fuse box, so that the material drops to the surface of the hopper to abut against the convex block at the bottom of the hopper and the switch, the second electric push rod is connected with a power supply to pour the material of the hopper into the discharging port, and after the disaster relief articles are poured, the hopper is reset by the reset spring, and the next filling is continued.

Specifically, the work box with contained angle between the hopper is 15, the bottom of hopper the length of lug equals half the length of second electric putter, just the top of second electric putter with the bottom surface of hopper is contradicted, has avoided the disaster relief supplies of the inside of hopper are in fixed frame with omit between the hopper.

The invention has the beneficial effects that:

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection between the blanking mechanism and the work box shown in FIG. 1;

FIG. 3 is a schematic view of the connection of the power mechanism, the work box and the hopper according to the present invention;

FIG. 4 is a schematic view of the connection between the storage box and the material control mechanism according to the present invention;

FIG. 5 is a schematic cross-sectional view of the storage box and the material control mechanism of the present invention.

In the figure: 1. the working box comprises a working box 2, a control mechanism 21, an industrial personal computer 22, a power line 23, a first electric push rod 24, a mounting plate 3, a flight mechanism 31, a GPS positioner 32, wings 33, a machine body 34, a camera 4, a fixing nut 5, a connecting rod 6, a storage mechanism 61, a charging port 62, a storage box 7, a material control mechanism 71, a buffer box 72, a baffle plate 73, a pressure spring 74, a connecting column 75, a sealing plate 76, a discharge port 8, a blanking mechanism 81, a hopper 82, a fixing frame 83, a rotating plate 84, a rotating shaft 9, a blanking port 9a, a power mechanism 91a, a bump 92a, a steel wire rope 93a, a return spring 94a, a switch 95a, a safety box 96a and a second electric push rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 and 2, the search and rescue unmanned aerial vehicle comprises a working box 1, a control mechanism 2, a flight mechanism 3, a fixing nut 4, a connecting rod 5, a material storage mechanism 6, a material control mechanism 7, a blanking mechanism 8, a blanking port 9 and a power mechanism 9 a; the surface of the flying mechanism 3 is provided with the control mechanism 2 for controlling the flying of the whole structure, the bottom of the flying mechanism 3 is fixedly connected with the connecting rod 5 with the splayed cross section and used for supporting the flying mechanism 3, the bottom of the connecting rod 5 is fixedly connected with the working box 1 for disaster rescue work through the fixing nut 4, the top of the working box 1 is fixedly connected with a material storage mechanism 6 for storing a large amount of disaster-relief materials, the bottom of the material storage mechanism 6 is fixedly connected with a material control mechanism 7 for controlling the lowering of the disaster-relief materials, the material control mechanism 7 penetrates through the interior of the working box 1, a blanking mechanism 8 for controlling the lowering of disaster relief materials is arranged in the working box 1, the blanking mechanism 8 is fixedly connected with the material control mechanism 7, and the surface of the working box 1 is rotatably connected with the material control mechanism 7; the power mechanism 9a is installed between the working box 1 and the discharging mechanism 8, the power mechanism 9a is used for providing kinetic energy for the discharging mechanism 8, and the discharging opening 9 is correspondingly formed in the bottom of the working box 1 and the side face of the material control mechanism 7.

Specifically, as shown in fig. 1, the unmanned search and rescue vehicle provided by the invention comprises a flight mechanism 3, wherein the flight mechanism comprises a GPS locator 31, wings 32, a body 33 and cameras 34, the tops of four connecting rods 5 are fixedly connected with the body 33, the GPS locator 31 is mounted on the surface of the body 33, the wings 32 for keeping the body 33 in balanced flight are mounted at four corners of the side surface and the side wall of the body 33, and the cameras 34 for monitoring disaster areas are mounted at the bottom of the body 33, so that the whole structure flies towards the disaster areas and the search and rescue purpose is achieved.

Specifically, as shown in fig. 1, the control mechanism 2 of the search and rescue unmanned aerial vehicle provided by the invention comprises an industrial personal computer 21, a power line 22, a first electric push rod 23 and a mounting plate 24, wherein the industrial personal computer 21 is mounted on the top surface of the body 33, the surface of the industrial personal computer 21 is electrically connected with the power line 22, the side wall of the working box 1 is fixedly connected with the mounting plate 24, the first electric push rod 23 is mounted on the surface of the mounting plate 24, the electric push rod 23 penetrates through the inside of the working box 1, the industrial personal computer 21 is electrically connected with the electric push rod 23 through the power line 22, and when a person needing search and rescue is not found, articles inside the storage box 63 are prevented from falling.

Specifically, as shown in fig. 1, the storage mechanism 6 of the search and rescue unmanned aerial vehicle comprises a feeding port 61 and a storage box 63, the top of the working box 1 is fixedly connected with the storage box 63, the feeding port 61 with a rectangular surface is formed in the top of the storage box 63, and the length of the storage box 63 is smaller than that of the working box 1, so that the stability of the whole structure is improved.

Specifically, as shown in fig. 1, 4 and 5, the material control mechanism 7 of the unmanned search and rescue vehicle comprises a buffer tank 71, a baffle 72, a pressure spring 73, a connecting column 74, a sealing plate 75 and a discharge hole 76, the bottom of the storage box 63 is fixedly connected with the buffer box 71, the pressure spring 73 is arranged in the buffer box 71, the interior of the buffer box 71 is connected with the baffle plate 72 in a sliding way, the bottom surface of the baffle plate 72 is fixedly connected with the top of the pressure spring 73, one side of the baffle plate 72 is fixedly connected with the sealing plate 75, the side wall of the buffer box 71 is provided with the discharge hole 76, the sealing plate 75 is abutted to the discharge hole 76, the height of the sealing plate 75 is larger than the width of the discharge hole 76, and the two ends of the baffle 72, which are positioned on the outer side wall of the buffer box 71, are fixedly connected with the connecting column 74, so that the disaster relief articles can be timely and quantitatively dropped in front of the personnel for disaster relief.

Specifically, as shown in fig. 1, 2 and 3, the unmanned search and rescue vehicle according to the present invention includes a hopper 81, a fixed frame 82, a rotating plate 83 and a rotating shaft 84, the bottom of the connecting column 74 is fixedly connected to the fixed frame 82 located inside the working box 1, the inside of the fixed frame 82 is rotatably connected to the hopper 81 through the rotating shaft 84, the bottom of the hopper 81 is rotatably connected to the surface of the working box 1, the side surface of the fixed frame 82 is rotatably connected to the rotating plate 83, the other end of the rotating plate 83 is rotatably connected to the side surface of the working box 1, the surface of the fixed frame 82 is in a "U" shape, the surface of the hopper 81 is in a "U" shape, the minimum inner diameter of the fixed frame 82 is equal to the maximum diameter of the hopper 81, the side wall of the hopper 81 and the discharging port 9 are located on the same straight line, the surface of the fixed frame 82 is abutted against the first electric push rod 23, so that the material under the material control mechanism 7 falls to the blanking mechanism 8.

Specifically, as shown in fig. 2 and 3, the power mechanism 9a of the unmanned aerial vehicle for search and rescue of the present invention includes a convex block 91a, a wire rope 92a, a return spring 93a, a switch 94a, a safe box 95a and a second electric push rod 96a, the bottom of the hopper 81 is fixedly connected to the convex block 91a with a T-shaped cross section, the return spring 93a is installed at the bottom of the hopper 81, the bottom of the hopper 81 is fixedly connected to the wire rope 92a, the surface of the working box 1 is electrically connected to the safe box 95a, the interior of the safe box 95a is electrically connected to the switch 94a, the switch 94a is fixedly connected to the wire rope 92a, the surface of the switch 94a abuts against the convex block 91a, the other end of the return spring 93a is fixedly connected to the bottom of the working box 1, the electric push rod 96a is installed at the bottom of the working box 1, the electric push rod 96a is electrically connected with the fuse box 95a, so that materials fall on the surface of the hopper 81, the lug 91a at the bottom of the hopper 81 is abutted against the switch 94a, the second electric push rod 96a is powered on to pour the materials in the hopper 81 into the feed opening 9, and after the disaster-relief articles are poured, the reset spring 93a resets the hopper 81 to continue to fill the next time.

Specifically, as shown in fig. 1 and fig. 2 and fig. 3, an included angle between the work box 1 and the hopper 81 is 15 °, the length of the projection 91a at the bottom of the hopper 81 is equal to half of the length of the second electric push rod 96a, and the top of the second electric push rod 96a abuts against the bottom surface of the hopper 81, so that disaster relief materials inside the hopper 81 are prevented from being omitted between the fixed frame 82 and the hopper 81.

Firstly, the industrial personal computer 21 is controlled to enable the first electric push rod 23 located on the side wall of the working box 1 to abut against the hopper 81, so that when the device is not used, the omission of internal materials of the storage box 62 is avoided, resources are saved, the storage box 62 is started to fly to a disaster area for searching victims after being fed, after the victims are searched, the industrial personal computer 21 is controlled to close the first electric push rod 23 to achieve the reset of the reset spring 93a to reset the hopper 81, the connecting rod 5 located on the top surface of the hopper 81 opens the sealing plate 75 to achieve blanking, the hopper 81 located inside the fixing frame 82 and rotatably connected is pressed down after the materials fall onto the surface of the hopper 81 to reach certain gravity, after the hopper 81 is pressed down, the bump 91a abuts against the switch 94a to achieve the purpose that the second electric push rod 96a works to lift the hopper 81, the materials fall from the discharge port 9 to the side of the victims, and after the materials fall, the second electric push rod 96a stops working, and the next filling work is continued; the method specifically comprises the following steps:

(1) the control industrial computer 21 will be located the hopper 81 of the inside of work box 1 of first electric putter 23 of the lateral wall of work box 1 and carry on spacingly, the closing plate of the lateral wall of buffer box is in encapsulated situation this moment, place the goods and materials to the inside of the storing box at the top of studio, launch the organism and fly to the region of disaster relief, the top installation GPS locator of organism, the model of GPS locator is MYK6223, the quick position of finding the victim, through the control industrial computer with first electric putter return.

(2) The disaster-relief materials fall into the buffer box 71, the baffle slides down to separate the sealing plate 75 at one end of the baffle 72 from the discharge port 76, the materials fall into the hopper 81 rotatably connected with the bottom of the working box 1 from the discharge port 76, and the side wall of the fixing frame 82 in the shape of a U closes the hopper 81 at the moment.

(3) The switch 94a is electrically connected with the fuse box 95a by the projection 91a at the bottom of the hopper 81, and at this time, the second electric push rod 96a electrically connected with the fuse box 95a starts to work to push the material 81 upward, and at this time, the side wall of the fixing frame 82 is separated from the hopper 81 to discharge the material from the feed opening 9 to the side of the person needing disaster relief.

(4) After the second electric push rod 96a in the hopper 81 pushes upwards, the material in the hopper 81 drops, the switch 94a is disconnected by the steel wire rope 92a in the process of hopper rising, the connecting rod reopens the sealing plate 75 to complete secondary blanking, and along with the dropping of the material, the hopper 81 again collides the bump 91a with the switch 94a to realize the movement of the second electric push rod 96a, blanking for many times and increase the number of times of rescue.

The bottom of the flying mechanism 3 of the invention is fixedly connected with the working box 1, thereby realizing that the machine body 33 conveys disaster relief materials to the side of a victim in the flying process, the top of the machine body 33 is provided with the GPS positioner 31 which is convenient for tracking the flying position of the machine body 33 and finding the victim in time, the bottom of the working box 1 is rotatably connected with the hopper 81, the hopper 81 is rotatably connected with the fixed frame 82 to push the fixed frame 82 to overturn the hopper and rapidly unload the materials, the surface of the working box 1 is provided with the material storage mechanism 6, the bottom of the material storage mechanism is provided with the material control mechanism 7, the material control mechanism 7 is matched with the unloading mechanism in the working box 1, when the materials in the storage box 62 fall into the hopper, the hopper 81 is pressed downwards to realize that the lug 91a at the bottom of the hopper 81 electrically connects the switch 94a at the bottom of the working box 1 with the safe box 95a, thereby connecting the second electric push rod 96a with, the second electric push rod 96a turns up the hopper 81 to send the materials to the side of the victim for timely rescue, a power mechanism 9a is arranged between the bottom of the hopper 81 and the surface of the working box 1, after the materials of the hopper 81 fall to the side of the victim, the reset spring 93a resets the hopper, the switch 94a and the safety box 95a are disconnected by the steel wire rope 92a, the baffle plate 72 in the buffer box 71 is pushed up by the connecting rod 5 to open the sealing plate 75 and the discharge port 76, and multiple times of blanking rescue are realized.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a search for and rescue unmanned aerial vehicle which characterized in that: comprises a work box (1), a control mechanism (2), a flying mechanism (3), a fixing nut (4), a connecting rod (5), a material storage mechanism (6), a material control mechanism (7), a blanking mechanism (8), a blanking port (9) and a power mechanism (9 a); the surface of the flying mechanism (3) is provided with the control mechanism (2) for controlling the flying of the whole structure, the bottom of the flying mechanism (3) is fixedly connected with the connecting rod (5) with the cross section in the shape of Chinese character 'ba', the connecting rod (5) is used for supporting the flying mechanism (3), the bottom of the connecting rod (5) is fixedly connected with the work box (1) for disaster rescue work through the fixing nut (4), the top of the work box (1) is fixedly connected with the storage mechanism (6) for storing a large amount of disaster rescue materials, the bottom of the storage mechanism (6) is fixedly connected with the material control mechanism (7) for controlling the lowering of the disaster rescue materials, the material control mechanism (7) penetrates through the inside of the work box (1), the inside of the work box (1) is provided with the blanking mechanism (8) for controlling the lowering of the disaster rescue materials, and the blanking mechanism (8) is fixedly connected with the material control mechanism (7), the surface of the working box (1) is rotationally connected with the material control mechanism (7); the power mechanism (9a) is arranged between the working box (1) and the discharging mechanism (8), the power mechanism (9a) is used for providing kinetic energy for the discharging mechanism (8), and the discharging opening (9) is formed in the bottom of the working box (1) and the side face of the material control mechanism (7) correspondingly;

the flight mechanism (3) comprises a GPS (global positioning system) positioner (31), wings (32), an engine body (33) and a camera (34), the tops of the four connecting rods (5) are fixedly connected with the engine body (33), the GPS positioner (31) is installed on the surface of the engine body (33), the wings (32) used for keeping the engine body (33) in balanced flight are installed at the four corners of the side surface and the side wall of the engine body (33), and the camera (34) used for monitoring disaster areas is installed at the bottom of the engine body (33);

control mechanism (2) include industrial computer (21), power cord (22), first electric putter (23) and mounting panel (24), the top surface installation of organism (33) industrial computer (21), the surface electric connection of industrial computer (21) power cord (22), the lateral wall fixed connection of work box (1) mounting panel (24), the surface mounting of mounting panel (24) first electric putter (23), first electric putter (23) run through the inside of work box (1), industrial computer (21) with first electric putter (23) are passed through power cord (22) electric connection.

2. A search and rescue unmanned aerial vehicle as defined in claim 1, wherein: storage mechanism (6) are including charge door (61) and storing box (63), the top fixed connection of work box (1) storing box (63), the surface is seted up at the top of storing box (63) and is the rectangle structure charge door (61), just the length of storing box (63) is less than the length of work box (1).

3. A search and rescue unmanned aerial vehicle as defined in claim 2, wherein: the material control mechanism (7) comprises a buffer box (71), a baffle plate (72), a pressure spring (73), a connecting column (74), a sealing plate (75) and a discharge hole (76), the bottom of the storage box (63) is fixedly connected with the buffer box (71), the pressure spring (73) is arranged in the buffer box (71), the interior of the buffer box (71) is connected with the baffle plate (72) in a sliding way, the bottom surface of the baffle plate (72) is fixedly connected with the top of the pressure spring (73), one side of the baffle (72) is fixedly connected with the sealing plate (75), the side wall of the buffer box (71) is provided with the discharge hole (76), the sealing plate (75) is abutted to the discharge hole (76), the height of the sealing plate (75) is larger than the width of the discharge hole (76), and the two ends of the baffle (72) on the outer side wall of the buffer box (71) are fixedly connected with the connecting column (74).

4. A search and rescue unmanned aerial vehicle as claimed in claim 3, wherein: the blanking mechanism (8) comprises a hopper (81), a fixed frame (82), a rotating plate (83) and a rotating shaft (84), wherein the bottom fixed connection of the connecting column (74) is positioned on the fixed frame (82) in the working box (1), the inside of the fixed frame (82) is connected with the hopper (81) through the rotating shaft (84) in a rotating way, the bottom of the hopper (81) is connected with the surface of the working box (1) in a rotating way, the side surface of the fixed frame (82) is connected with the rotating plate (83) in a rotating way, the other end of the rotating plate (83) is connected with the side surface of the working box (1) in a rotating way, the surface of the fixed frame (82) is of a U-shaped structure, the surface of the hopper (81) is of the U-shaped structure, the minimum inner diameter of the fixed frame (82) is equal to the maximum diameter of the hopper (81), the side wall of the hopper (81) is positioned on the same straight line with the blanking port, the surface of the fixed frame (82) is abutted against the first electric push rod (23).

5. A search and rescue unmanned aerial vehicle as defined in claim 4, wherein: the power mechanism (9a) comprises a convex block (91a), a steel wire rope (92a), a return spring (93a), a switch (94a), a fuse box (95a) and a second electric push rod (96a), the bottom of the hopper (81) is fixedly connected with the convex block (91a) with a T-shaped cross section, the return spring (93a) is installed at the bottom of the hopper (81), the bottom of the hopper (81) is fixedly connected with the steel wire rope (92a), the surface of the working box (1) is electrically connected with the fuse box (95a), the interior of the fuse box (95a) is electrically connected with the switch (94a), the switch (94a) is fixedly connected with the steel wire rope (92a), the surface of the switch (94a) is abutted against the convex block (91a), and the other end of the return spring (93a) is fixedly connected with the bottom of the working box (1), the bottom of the working box (1) is provided with the second electric push rod (96a), and the second electric push rod (96a) is electrically connected with the fuse box (95 a).

6. A search and rescue unmanned aerial vehicle as defined in claim 5, wherein: the working box (1) and the included angle between the hoppers (81) is 15 degrees, the length of the convex block (91a) at the bottom of the hopper (81) is equal to half of the length of the second electric push rod (96a), and the top of the second electric push rod (96a) is abutted to the bottom surface of the hopper (81).