Fire-fighting investigation special unmanned aerial vehicle with protective cover

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a fire-fighting investigation special unmanned aerial vehicle with a protective cover, which comprises an unmanned aerial vehicle body, the unmanned aerial vehicle body comprises a double-layer rack, the double-layer rack comprises an upper-layer rack and a lower-layer mechanism, and a plurality of vertical columns are mounted on the peripheral end edges between the upper-layer rack and the lower-layer mechanism; a rack of a double-layer structure is adopted, four first round holes are formed in the periphery of an upper-layer rack of the double-layer rack, and a motor mounting position is formed; the four first round holes are covered with a gauze element; falling objects such as gravels falling in the air of a fire scene are isolated through the gauze element, and the falling objects such as the gravels are prevented from smashing the motor or the blades to affect flying; and by adopting the motor mounting positions with a two-row and two-column arrangement structure, in the flight process, if collision occurs up, down, left and right, the blades are not damaged due to the protection of the rack, and normal flight can still be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to a special type of unmanned aerial vehicle for fire fighting and investigation with a protective cover. Background Art

[0002] In the fire scene simulation experiment, the fire had been on fire for only 1 minute when the temperature detection equipment showed that the room temperature in the fire scene reached 106 degrees, while the temperature in the core area reached 257 degrees and was constantly rising.

[0003] The toxic gas detectors at the scene all began to alarm, and carbon monoxide and carbon dioxide exceeded the limit of human breathing. The most deadly temperature and toxic smoke in a fire scene, if the temperature of the inhaled gas exceeds 70°C, it will cause congestion and blisters in the trachea and bronchial mucosa, damage capillaries, so that blood cannot circulate, tissue necrosis, especially will cause brain nerve center damage and death, and toxic gases can also directly make people lose the ability to escape. After the fire occurs, the temperature of the fire scene reaches nearly 400 degrees Celsius 10 to 15 minutes after the occurrence or the fire, and the temperature of the flame after it continues can reach more than 1000 degrees Celsius. The large amount of smoke produced by the combustion can also reach 400-500 degrees Celsius, which is far higher than the temperature that human organs can withstand. While burning the skin, the high-temperature smoke inhaled into the body will burn the nasal cavity, throat, trachea and other organs, causing the injured to suffocate and die.

[0004] Therefore, when a fire occurs, the most urgent time to extinguish the fire is the initial stage of the fire. Therefore, how to quickly enter the fire scene, scout the scene at the first time, and find out whether there are trapped people is the best golden time for rescue. With the development of drone technology, its application is becoming more and more extensive and in-depth, and it is possible to use drones for fire reconnaissance. However, there are several difficulties in using drones for fire reconnaissance: 1. Fire or high temperature environment; 2. It is often necessary to fly through or enter indoors without GPS positioning; 3. Generally fly in a small space; 4. The airflow in the fire scene is large or unstable; 5. Falling objects in the air; 6. The fire scene must be out of power and the indoor environment is dark. But the most fatal thing is falling objects in the air, because when falling objects in the air hit the fan blades of the drone, the fan blades will be damaged at this time, causing the drone to lose control and thus be damaged, and ultimately the fire scene cannot be observed in the first time, resulting in the loss of rescue in the first time, and ultimately the loss of the golden rescue time for the trapped people in the fire scene. Therefore, our company innovates drones to protect the survivability of drones in fire scenes. Summary of the invention

[0005] The purpose of the utility model is to provide a special fire detection drone with a protective cover in view of the defects and shortcomings of the prior art.

[0006] The utility model discloses a fire detection special drone with a protective cover, comprising a drone body, the drone body comprising a double-layer frame, the double-layer frame comprising an upper frame and a lower mechanism, and a plurality of vertical columns are installed on the four sides between the upper frame and the lower mechanism;

[0007] The upper frame includes an upper plate, and four first circular holes are opened around the surface of the upper plate, and the four first circular holes are arranged in two rows and two columns to form four motor installation positions; a first central circular plate is arranged in the middle of each first circular hole, and a plurality of first connecting rods are evenly arranged around the first central circular plate; the outer end edge of each first circular hole is a first arc-shaped toothed end edge, and a plurality of first protrusions are evenly arranged on the first arc-shaped toothed end edge, and each first protrusion is opened with a first installation screw hole position; the surfaces of the four first circular holes are covered with gauze;

[0008] The lower structure includes a lower plate that matches the upper plate, and second circular holes that match the four first circular holes on the upper plate are opened around the surface of the lower plate, and the outer end edge of each second circular hole is provided with a second arcuate toothed end edge that matches the first arcuate toothed end edge on the outer end edge of the first circular hole; the second arcuate toothed end edge is provided with a plurality of second protrusions that match the first protrusions on the first arcuate toothed end edge, and each second protrusion is also provided with a second mounting screw hole position that matches the first mounting screw hole position.

[0009] Furthermore, reinforcement rings are provided on a plurality of first connecting rods around the first central circular plate.

[0010] Furthermore, motors are respectively installed on the bottom surfaces of the first central circular plates in the middle of the four first circular holes, and blades are installed on the motors.

[0011] Furthermore, a flight control mechanism is installed in the middle of the double-layer frame, a camera mechanism is installed in front of the flight control mechanism, and a lighting lamp is installed on the top of the double-layer frame. The flight control mechanism is connected to the camera mechanism and the lighting lamp through a wiring harness.

[0012] Furthermore, the wiring harness is provided with a fireproof jacket.

[0013] Furthermore, the lighting lamp is a fire-fighting flashlight.

[0014] After adopting the above structure, the beneficial effects of the utility model are as follows: the special fire detection drone with a protective cover described in the utility model adopts a double-layer structure frame, and four first circular holes are arranged around the upper frame of the double-layer frame to form a motor installation position; and a gauze is covered on the four first circular holes; it uses the gauze to isolate falling objects such as sand and gravel falling from the air in the fire scene to prevent the falling sand and gravel from damaging the motor or blades and affecting the flight; and the motor installation position adopts a two-row and two-column arrangement structure to ensure that during the flight, if a collision occurs up, down, left, or right, the blades will not be damaged due to the protection of the frame, and the drone can still fly normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application, but do not constitute an improper limitation of the present invention. In the drawings:

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the top structure of the upper rack of the double-layer rack in the utility model;

[0018] Figure 3 It is a schematic diagram of the top view of the lower rack of the double-layer rack in the utility model;

[0019] Figure 4 It is a schematic diagram of a top view of the double-layer frame of the utility model, and an upper frame with an electric machine and blades installed thereon.

[0020] Description of reference numerals:

[0021] UAV body 1; double-layer frame 2; lighting lamp 3; camera mechanism 4; flight control mechanism 5; wiring harness 6; propeller blades 7; gauze 8. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0024] like Figure 1-Figure 4 As shown, a fire detection special drone with a protective cover described in this specific embodiment includes a drone body 1, and the drone body 1 includes a double-layer frame 2, and the double-layer frame 2 includes an upper frame 21 and a lower mechanism 22, and a plurality of vertical columns 23 are installed on the edges around the upper frame 21 and the lower mechanism 22;

[0025] The upper frame 21 includes an upper plate 211, and four first circular holes 216 are opened around the surface of the upper plate 211, and the four first circular holes 216 are arranged in two rows and two columns to form four motor installation positions; a first central circular plate is arranged in the middle of each first circular hole 216, and a plurality of first connecting rods 214 are evenly arranged around the first central circular plate; the outer end edge of each first circular hole 216 is a first arc-shaped toothed end edge 212, and a plurality of first protrusions are evenly arranged on the first arc-shaped toothed end edge 212, and each first protrusion is opened with a first installation screw hole position 213; the surface of the four first circular holes 216 is covered with a gauze 8;

[0026] The lower structure 22 includes a lower plate 221 that matches the upper plate 211, and second circular holes 223 that match the four first circular holes 216 on the upper plate 211 are provided around the surface of the lower plate 221. The outer end edge of each second circular hole 223 is provided with a second arcuate toothed end edge that matches the first arcuate toothed end edge 212 on the outer end edge of the first circular hole 216; the second arcuate toothed end edge is provided with a plurality of second protrusions that match the first protrusions on the first arcuate toothed end edge 212, and each second protrusion is also provided with a second mounting screw hole position 222 that matches the first mounting screw hole position 213.

[0027] In this design, the vertical column 23 is an aluminum alloy column, and the top and bottom ends of the aluminum alloy column are provided with third screw holes, which match the first installation screw hole 213 and the second installation screw hole 222. During installation, the vertical column 23 is directly installed on the four sides between the upper frame 21 and the lower mechanism 22 using bolts, thereby realizing the fastening installation of the double-layer frame 2.

[0028] The surface of the first center circular plate in this design is provided with second mounting screw holes around it, and a first center hole is provided in the middle; in this design, the middle of the surface of the upper plate 211 is provided with holes for convenient installation of the UAV electronic control components and a third mounting screw hole.

[0029] Furthermore, a plurality of first connecting rods 214 around the first central circular plate are provided with reinforcing rings 215 to strengthen the firmness of the fuselage of the double-layer frame.

[0030] Furthermore, motors are respectively installed on the bottom surfaces of the first central circular plates in the middle of the four first circular holes 216 , and blades 7 are installed on the motors.

[0031] Furthermore, a flight control mechanism 5 is installed in the middle of the double-layer frame 2, a camera mechanism 4 is installed in front of the flight control mechanism 5, and a lighting lamp 3 is installed on the top of the double-layer frame 2. The flight control mechanism 5 is connected to the camera mechanism 4 and the lighting lamp 3 through a wiring harness 6.

[0032] Furthermore, the wiring harness 6 is provided with a fireproof jacket.

[0033] Furthermore, the lighting lamp 3 is a fire-fighting flashlight.

[0034] The working principle of the utility model is as follows:

[0035] In this design, the drone body 1 includes a double-layer frame 2, which includes an upper frame 21 and a lower mechanism 22. A number of vertical columns 23 are installed on the edges of the upper frame 21 and the lower mechanism 22. The upper and lower ring structure frames are fixed and supported by aluminum alloy columns around and at important positions, and a space is formed. The motor and the blades are fixed at the four first circular holes 216 below the upper frame, and the control components are placed in the middle. In this way, during the flight, if a collision occurs up, down, left, or right, the blades will not be damaged due to the protection of the frame, and the drone can still fly normally.

[0036] In this design, the anti-falling objects such as sand and gravel are designed to prevent flight: the four first circular holes 216 of the upper frame are covered and fixed with gauze to isolate the sand and gravel falling from the air in the fire scene, and prevent the sand and gravel falling from the air from damaging the motor or propeller blades and affecting the flight.

[0037] In this design, fireproof and high temperature resistant design: (1) In the center of the rack, there are racks above and below, and the walls are made of high temperature resistant materials around, thus forming a closed space for placing electronic components such as circuit boards. (2) A small number of exposed wiring harnesses or components are protected by fireproof and high temperature resistant casings.

[0038] In this design, the selection of high temperature resistant materials is as follows: (1) The double-layer frame and propeller blades are made of high temperature resistant carbon fiber material, which can withstand temperatures of 400°. (2) The aluminum alloy pillars that fix the upper and lower frames are made of 6061 aluminum alloy, which can withstand temperatures of 300°. (3) The sleeves that wrap the wiring harness or exposed parts are made of high temperature resistant silicone material, which can withstand temperatures of 400°.

[0039] In this design, the flight control, electronic speed controller and data transmission system of the flying machine are adopted, which can provide three flight modes: self-stabilization, semi-self-stabilization and manual. It is suitable for flying in a small space or crossing obstacles without GPS.

[0040] In this design, the camera and image transmission system uses DJI O3, which provides 1080P high-definition images, a minimum delay of 30 milliseconds and a maximum image transmission distance of 10 kilometers.

[0041] The power system of this design uses a 3.5-inch motor and propellers, as well as a 6S, 1800mhs power battery, which can produce a maximum speed of 97 km / h.

[0042] In this design, a firefighting flashlight is installed above the rack to enable reconnaissance in dark environments.

[0043] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A special fire detection drone with a protective cover, Features: The drone body includes a double-layer frame, the double-layer frame includes an upper frame and a lower mechanism, and a plurality of vertical columns are installed on the edges around the upper frame and the lower mechanism; The upper frame includes an upper plate, and four first circular holes are opened around the surface of the upper plate, and the four first circular holes are arranged in two rows and two columns to form four motor installation positions; a first central circular plate is arranged in the middle of each first circular hole, and a plurality of first connecting rods are evenly arranged around the first central circular plate; the outer end edge of each first circular hole is a first arc-shaped toothed end edge, and a plurality of first protrusions are evenly arranged on the first arc-shaped toothed end edge, and each first protrusion is opened with a first installation screw hole position; the surfaces of the four first circular holes are covered with gauze; The lower structure includes a lower plate that matches the upper plate, and second circular holes that match the four first circular holes on the upper plate are opened around the surface of the lower plate, and the outer end edge of each second circular hole is provided with a second arcuate toothed end edge that matches the first arcuate toothed end edge on the outer end edge of the first circular hole; the second arcuate toothed end edge is provided with a plurality of second protrusions that match the first protrusions on the first arcuate toothed end edge, and each second protrusion is also provided with a second mounting screw hole position that matches the first mounting screw hole position.

2. A fire detection special drone with a protective cover according to claim 1, Features: Reinforcement rings are arranged on a plurality of first connecting rods around the first central circular plate.

3. A fire detection special drone with a protective cover according to claim 1, Features: Motors are respectively installed on the bottom surfaces of the first central circular plates in the middle of the four first circular holes, and propeller blades are installed on the motors.

4. A fire detection special drone with a protective cover according to claim 1, Features: A flight control mechanism is installed in the middle of the double-layer frame, a camera mechanism is installed in front of the flight control mechanism, and a lighting lamp is installed on the top of the double-layer frame. The flight control mechanism is connected with the camera mechanism and the lighting lamp through a wire harness.

5. A fire detection special drone with a protective cover according to claim 4, Features: The wire harness is covered with a fireproof jacket.

6. A fire detection special drone with a protective cover according to claim 4, Features: The lighting lamp is a fire-fighting flashlight.

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