阅读说明：本技术 一种教学用无人机 (Unmanned aerial vehicle is used in teaching ) 是由 马柯 韩建群 魏洋 杨蒙 丁红艳 杨乐皋 马沁 马博 于 2021-08-20 设计创作，主要内容包括：本发明涉及一种教学用无人机,包括机体和控制器,机体顶部设有缓降机构,机体的底部设有落地缓冲机构,机体内设有与缓降机构和落地缓冲机构相连通的置件管,置件管上设有第一电磁控制阀和第二电磁控制阀,第一电磁控制阀和第二电磁控制阀将置件管分割成靠近缓降机构端的储金属腔、中部的储水腔、及靠近落地缓冲机构端的储硅腔,第一电磁控制阀和第二电磁控制阀由控制器驱动控制其开关,置件管的储金属腔内的金属为能够与水反应生成气体的活泼金属。该教学用无人机,便于无人机在发生内部驱动意外短路状况下进行缓冲防护,并方便快速确定无人机的坠落范围,方便使用者夜间寻找。(The invention relates to an unmanned aerial vehicle for teaching, which comprises a machine body and a controller, wherein a slow descending mechanism is arranged at the top of the machine body, a landing buffer mechanism is arranged at the bottom of the machine body, a workpiece placing pipe communicated with the slow descending mechanism and the landing buffer mechanism is arranged in the machine body, a first electromagnetic control valve and a second electromagnetic control valve are arranged on the workpiece placing pipe, the first electromagnetic control valve and the second electromagnetic control valve divide the workpiece placing pipe into a metal storage cavity close to the end of the slow descending mechanism, a water storage cavity in the middle and a silicon storage cavity close to the end of the landing buffer mechanism, the first electromagnetic control valve and the second electromagnetic control valve are driven by the controller to control the switches of the first electromagnetic control valve and the second electromagnetic control valve, and metal in the metal storage cavity of the workpiece placing pipe is active metal capable of reacting with water to generate gas. This unmanned aerial vehicle is used in teaching, the unmanned aerial vehicle of being convenient for cushions the protection under taking place the unexpected short circuit situation of internal drive to the scope of falling of convenient rapid determination unmanned aerial vehicle, the person of facilitating the use seeks at night.)

1. An unmanned plane for teaching comprises a machine body (1) and a controller, and is characterized in that, the top of the machine body (1) is provided with a slow descending mechanism (2), the bottom of the machine body (1) is provided with a landing buffer mechanism (3), a piece placing pipe (4) communicated with the slow descending mechanism (2) and the landing buffer mechanism (3) is arranged in the machine body (1), a first electromagnetic control valve (6) and a second electromagnetic control valve (7) are arranged on the part placing pipe (4), the first electromagnetic control valve (6) and the second electromagnetic control valve (7) divide the piece placing pipe (4) into a metal storage cavity close to the end of the slow descending mechanism (2), a water storage cavity in the middle and a silicon storage cavity close to the end of the landing buffer mechanism (3), the first electromagnetic control valve (6) and the second electromagnetic control valve (7) are driven by a controller to control the switches of the first electromagnetic control valve (6) and the second electromagnetic control valve (7), the metal in the metal storage cavity of the placing pipe (4) is active metal capable of reacting with water to generate gas.

2. Unmanned aerial vehicle is used in teaching of claim 1, characterized in that slowly falling mechanism (2) includes a plurality of groups of flexible pipeline (22), flexible pipeline (22) one end is connected with the end of giving vent to anger of putting a pipe (4), and the other end intercommunication has air-lock flotation bag (23).

3. Unmanned aerial vehicle is used in teaching of claim 2, characterized in that mechanism (2) slowly falls still includes receiver (21) that is used for taking in air-resistor flotation bag (23) and flexible pipeline (22), connection can be dismantled at the top of organism (1) in receiver (21), flexible pipeline (22) is located receiver (21) with the hookup point of putting a pipe (4), and for dismantling the connection.

4. An unmanned aerial vehicle for teaching as claimed in claim 2, wherein the outer surface of the air-resistance floating bag (23) is provided with a plurality of release grooves (24), a night warning component (25) is arranged in the release groove (24), the night warning component (25) comprises a warning bead (251) sleeved in the release groove (24), a reaction bead (253) is arranged in the warning bead (251), the reaction bead (253) is hollow to form a reaction cavity, a color developing cavity is formed between the outer wall of the reaction bead (253) and the inner wall of the warning bead (251), reaction substances are stored in the reaction cavity, the color developing cavity is internally provided with the color developing substances which can perform fluorescence reaction with the reaction substances, at least two pull wires (252) which are positioned on the same straight line are arranged between the outer wall of the reaction bead (253) and the inner wall of the warning bead (251), and the sum of the lengths of the two pull wires (252) is less than the difference between the diameters of the warning bead (251) and the reaction bead (253).

5. The unmanned aerial vehicle for teaching of claim 4, wherein the chromogenic substance is a mixture of a chromogenic dye and a peroxide, and the reactive substance is a lipid compound.

6. The unmanned aerial vehicle for teaching of claim 1, wherein the landing buffer mechanism (3) comprises a reaction box (31) and a floating airbag (33), the air inlet end of the reaction box (31) is communicated with the silicon storage cavity of the placing pipe (4), and the air outlet end of the reaction box (31) is communicated with the floating airbag (33) through an air duct (32).

7. Unmanned aerial vehicle for teaching as claimed in claim 6, characterized in that the reaction box (31) is detachably connected to the bottom of the machine body (1).

8. Unmanned aerial vehicle for teaching of claim 1, wherein the placement tube (4) is made of explosion-proof material.

9. The unmanned aerial vehicle is used in teaching of claim 1, characterized in that, still be equipped with wing folding mechanism (8) on organism (1), wing folding mechanism (8) is including locating fixed axle (81) on organism (1), the end connection of fixed axle (81) has pivot (82), be equipped with folding axle (83) on pivot (82), be equipped with bolt (84) on folding axle (83), still be equipped with wing (85) on folding axle (83).

Technical Field

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle for teaching.

Background

An unmanned aircraft, referred to as "drone", 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.

According to an authorized patent with the publication number of CN213036066U entitled "a landing and anti-falling unmanned aerial vehicle", the unmanned aerial vehicle comprises an unmanned aerial vehicle body, wherein a landing mechanism is arranged at the bottom of the unmanned aerial vehicle body; descending mechanism is including connecting the casing, it sets up in unmanned aerial vehicle body bottom to connect the casing welding, the inside both sides of connecting the casing all are provided with two openings, four the inside book shape pole that all is provided with of opening, book shape pole one side is provided with the bar hole, the downthehole portion of bar is provided with the fixed axle, book shape pole one end welding is provided with touches the floor, book shape pole other end bottom is provided with the lifter. The utility model discloses a through being equipped with descending mechanism, make the utility model discloses comparatively stable when descending, effectively avoided appearing the condition that the slope was fallen down when descending, this problem of damage has just avoided unmanned aerial vehicle accident to fall down when descending, the security when having guaranteed unmanned aerial vehicle descends, makes the utility model discloses an in-service use effect is better, but this "descending mechanism"'s principle is the buffering that produces after unmanned aerial vehicle contacts ground, does not make corresponding processing from the in-process that unmanned aerial vehicle descends.

Unmanned aerial vehicle's inside wing is by driving motor drive rotation control, and when the short circuit takes place inside the driving motor, the drive end of wing and driving motor's output connection drive, the universal meter is used for detecting the inside short circuit information of driving motor to pass through signal output part with this detection information and transmit to the controller in.

When unmanned aerial vehicle's drive wing pivoted drive motor broke down, the wing can stall, can drop subaerial or lake rapidly, causes unmanned aerial vehicle's damage, if fall at night, is difficult to quick accurate the whereabouts scope of finding unmanned aerial vehicle.

Disclosure of Invention

The invention aims to solve the problems and provide the unmanned aerial vehicle for teaching, which is convenient for the unmanned aerial vehicle to buffer and protect under the condition of internal driving accidental short circuit, conveniently and quickly determines the falling range of the unmanned aerial vehicle and facilitates the search of a user at night.

The invention realizes the purpose through the following technical scheme:

the utility model provides an unmanned aerial vehicle is used in teaching, includes organism and controller, the organism top is equipped with slowly falls the mechanism, the bottom of organism is equipped with and falls to the ground buffer gear, be equipped with in the organism and slowly fall the mechanism and fall to the ground the buffer gear and be linked together put a pipe, it is equipped with first solenoid electric valve and second solenoid electric valve to put a pipe on, first solenoid electric valve and second solenoid electric valve will put a pipe and cut apart into the water storage chamber that is close to slowly fall to store up metal chamber, middle part of mechanism end and be close to the silicon storage chamber that falls to the ground buffer gear end, and first solenoid electric valve and second solenoid electric valve are by its switch of controller drive control, the metal of the storage metal intracavity of putting a pipe is for can the active metal that forms gas with the water reaction.

As a further optimization scheme of the invention, the slow descending mechanism comprises a plurality of groups of flexible pipelines, one end of each flexible pipeline is connected with the air outlet end of the workpiece placing pipe, and the other end of each flexible pipeline is communicated with an air resistance floating bag; the air resistance floating bag and the flexible pipeline are made of polyamide fabric, can bear larger pressure, and can reduce impact force when the air resistance floating bag is inflated and expanded through vulcanization treatment.

As a further optimization scheme of the invention, the slow descending mechanism further comprises a storage box for storing the air resistance floating bag and the flexible pipeline, the storage box is detachably connected to the top of the machine body, and the connection point of the flexible pipeline and the piece placing pipe is positioned in the storage box and is detachably connected; the design aims at that: the dismantled setting of receiver, the convenience is after unmanned aerial vehicle breaks down, and each subassembly in the timely change of user slowly falls the mechanism.

As a further optimization scheme of the invention, the outer surface of the air resistance floating bag is provided with a plurality of release grooves, a night warning assembly is arranged in each release groove, each night warning assembly comprises a warning bead sleeved in each release groove, a reaction bead is arranged in each warning bead, the reaction beads are hollow to form a reaction cavity, a color development cavity is formed between the outer wall of each reaction bead and the inner wall of each warning bead, reaction substances are stored in each reaction cavity, color development substances capable of performing fluorescent reaction with the reaction substances are arranged in each color development cavity, at least two pull wires which are located on the same straight line are arranged between the outer wall of each reaction bead and the inner wall of each warning bead, and the sum of the lengths of the two pull wires is smaller than the diameter difference between the warning beads and the reaction beads; through the subassembly of warning night that releases the air lock in the floating bag, a plurality of groups warn the subassembly at night and float aloft, and send the light, realize showing night, be convenient for confirm unmanned aerial vehicle's the scope of falling, the person of facilitating the use looks for fast.

As a further optimization scheme of the invention, the chromogenic substance is a mixture of a chromogenic dye and peroxide, and the reaction substance is a lipid compound; the design aims at that: the mixture of the color developing dye and the peroxide reacts with the lipid compound to generate a fluorescent substance, so that the warning bead can emit light at night, and the function of reminding a user is achieved.

As a further optimization scheme of the invention, the floor buffer mechanism comprises a reaction box and a floating air bag, wherein the air inlet end of the reaction box is communicated with the silicon storage cavity of the part placing pipe, and the air outlet end of the reaction box is communicated with the floating air bag through an air guide pipe; the design aims at that: the gas that the reaction box inside reaction produced enters into floating the gasbag along the air duct in, makes floating the gasbag and takes place the inflation, floats the inflation of gasbag, plays the resistance between increase and the air on the one hand, reduces unmanned aerial vehicle's falling speed, and on the other hand has a good cushioning effect when unmanned aerial vehicle falls to the ground.

As a further optimized proposal of the invention, the reaction box is detachably connected at the bottom of the machine body; the design aims at that: the silicon inside the reaction box can be conveniently and timely replaced, and the reaction box can be conveniently and repeatedly used.

As a further optimized scheme of the invention, the placing pipe is made of explosion-proof materials; the design aims at that: can effectively avoid collision damage generated in the reaction process of the active metal and the water.

As a further optimized scheme of the invention, the machine body is also provided with a wing folding mechanism, the wing folding mechanism comprises a fixed shaft arranged on the machine body, the end part of the fixed shaft is connected with a rotating shaft, the rotating shaft is provided with a folding shaft, the folding shaft is provided with a bolt, and the folding shaft is also provided with a wing; the design aims at that: the wing folding device has the advantages of being convenient to play a role of folding the wings, convenient to store fast and good in teaching performance.

The invention has the beneficial effects that: unmanned aerial vehicle of being convenient for cushions the protection under taking place the unexpected short circuit situation of internal drive to the scope of falling of convenient quick definite unmanned aerial vehicle, the person of facilitating the use looks for night.

Drawings

FIG. 1 is a schematic view of a main visual axis side structure of an unmanned aerial vehicle in a normal flight state;

FIG. 2 is a schematic view of the main visual axis side structure of the unmanned aerial vehicle in a fault state;

FIG. 3 is a schematic view of the front view, the section and the partial structure of the air-resistance floating bag of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at A in accordance with the present invention;

FIG. 5 is a schematic view of a partial structure of an extruded main view cross section of the warning bead of the present invention;

FIG. 6 is a schematic view of a partial structure of a main section of the machine body of the present invention;

fig. 7 is a schematic view of the bottom view axis side structure of the unmanned aerial vehicle in a normal flight state;

fig. 8 is a schematic view of the structure of the unmanned aerial vehicle at the lower view axis side in a fault state.

In the figure: 1. a body; 2. a slow descending mechanism; 21. a storage box; 22. a flexible conduit; 23. an air-resistance floating bag; 24. a relief groove; 25. a night warning component; 251. a warning bead; 252. a pull wire; 253. Reaction beads; 3. a landing buffer mechanism; 31. a reaction box; 32. an air duct; 33. a floating airbag; 4. a placement tube; 6. a first solenoid control valve; 7. a second solenoid control valve; 8. a wing folding mechanism; 81. a fixed shaft; 82. a rotating shaft; 83. a folding shaft; 84. a bolt; 85. an airfoil.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

The embodiment provides an unmanned aerial vehicle for teaching, as shown in fig. 1, which comprises a machine body 1 and a controller, wherein a slow descending mechanism 2 is arranged at the top of the machine body 1, a landing buffer mechanism 3 is arranged at the bottom of the machine body 1, a workpiece placing pipe 4 communicated with the slow descending mechanism 2 and the landing buffer mechanism 3 is arranged in the machine body 1, a first electromagnetic control valve 6 and a second electromagnetic control valve 7 are arranged on the workpiece placing pipe 4, the workpiece placing pipe 4 is divided into a metal storage cavity close to the slow descending mechanism 2 end, a water storage cavity in the middle part and a silicon storage cavity close to the landing buffer mechanism 3 end by the first electromagnetic control valve 6 and the second electromagnetic control valve 7, the first electromagnetic control valve 6 and the second electromagnetic control valve 7 are driven by the controller to control the on and off states before the unmanned aerial vehicle breaks down, the metal storage cavity, the water storage cavity and the silicon storage cavity are in a closed state, the metal in the metal storage cavity of the placing tube 4 is active metal capable of reacting with water to generate gas, such as potassium, calcium, sodium and the like; the structure of the unmanned aerial vehicle for teaching of this embodiment is explained in detail below with reference to the drawings.

The machine body 1 is also provided with a wing folding mechanism 8, the wing folding mechanism 8 comprises a fixed shaft 81 arranged on the machine body 1, the end part of the fixed shaft 81 is connected with a rotating shaft 82, the rotating shaft 82 is provided with a folding shaft 83, the folding shaft 83 is provided with a bolt 84, and the folding shaft 83 is also provided with a wing 85; during teaching, a user firstly opens the folding shaft 83 and rotates the folding shaft to be flush with the fixed shaft 81, the rotating angle between the folding shaft 83 and the fixed shaft 81 is fixed through the bolt 84, folding and storage of the wing 85 are achieved under the action of the wing 85, operation of the user is facilitated, and teaching is facilitated.

As shown in fig. 2, the slow descending mechanism 2 comprises a plurality of groups of flexible pipelines 22, one end of each flexible pipeline 22 is connected with the air outlet end of the workpiece placing pipe 4, and the other end of each flexible pipeline 22 is communicated with an air-blocking floating bag 23; the air resistance floating bag 23 and the flexible pipeline 22 are made of polyamide fabric, can bear larger pressure, and can reduce the impact force when the air resistance floating bag 23 is inflated and expanded through vulcanization treatment.

The slow descending mechanism 2 further comprises a storage box 21 for storing the air resistance floating bag 23 and the flexible pipeline 22, the storage box 21 is detachably connected to the top of the machine body 1, and a connecting point of the flexible pipeline 22 and the piece placing pipe 4 is positioned in the storage box 21 and is detachably connected; under normal conditions, flexible line 22 and air-resistor float bag 23 are accomodate in receiver 21, are equipped with the lid on the receiver 21, and at the during operation, air-resistor float bag 23 can strut the lid and expand, is the parachute structure, realizes organism 1's slow descending, and receiver 21 also can be the easy broken structure of paper or plastics, and at the during operation, air-resistor float bag 23 accessible props broken receiver 21 and expandes.

As shown in fig. 3-5, in order to realize the night display function, the outer surface of the air-resistance floating bag 23 is provided with a plurality of release grooves 24, a night warning assembly 25 is arranged in the release groove 24, the night warning assembly 25 comprises a warning bead 251 sleeved in the release groove 24, the warning bead 251 is made of a transparent flexible material, the release groove 24 is in an extrusion deformation state, the warning bead 251 is internally provided with a reaction bead 253, the reaction bead 253 is hollow to form a reaction cavity, a color development cavity is formed between the outer wall of the reaction bead 253 and the inner wall of the warning bead 251, a reaction substance is stored in the reaction cavity, a color development substance capable of performing a fluorescent reaction with the reaction substance is arranged in the color development cavity, as shown in fig. 4-5, at least two pull wires 252 located on the same straight line are arranged between the outer wall of the reaction bead 253 and the inner wall of the warning bead 251, and the sum of the lengths of the two pull wires 252 is smaller than the diameter difference between the warning bead 251 and the reaction bead 253, along with the expansion of the air-blocking floating bag 23, the release groove 24 on the outer surface of the air-blocking floating bag 23 is extruded and deformed to rapidly eject and release the warning bead 251 inside the release groove 24, the warning bead 251 bound by the release groove 24 is rapidly stretched along the axial direction of the two stay wires 252, the generated tension pulls the end of the stay wire 252 and causes the surface of the reaction bead 253 to crack or directly break, so that the reaction substance inside the reaction bead 253 is released, and the reaction substance and the fluorescent dye can react and emit light.

Further, reaction pearl 253 optional used easy ruptured PVC plastic bag, float bag 23 extrusion deformation in-process at the air lock, have reaction pearl 253 to be dragged and the cracked condition, warn pearl 251 like "dandelion scatter kind" action the same float aloft this moment to the person of facilitating the use confirms unmanned aerial vehicle's the scope of falling fast, the convenient quick searching.

As shown in fig. 6, when the unmanned aerial vehicle has a fault, the multimeter detects that the driving motor driving the wing 85 to rotate has a fault, and transmits the detected short circuit information to the controller, and controls the switches of the first electromagnetic control valve 6 and the second electromagnetic control valve 7 under the action of the controller, the circuits of the first electromagnetic control valve 6 and the second electromagnetic control valve 7 are arranged in series, so as to open the first electromagnetic control valve 6 and the second electromagnetic control valve 7 simultaneously, so that the metal storage cavity, the water storage cavity and the silicon storage cavity are in a communicated state, water is arranged in the water storage cavity, active metal is arranged in the metal storage cavity, the active metal reacts with the water to generate alkaline solution and hydrogen, the placing pipe 4 is made of explosion-proof glass, so that violent reaction generated in the reaction process of the active metal and the water can be effectively reduced, the generated hydrogen enters the flexible pipeline 22, and provides inflation power for the air-lock flotation cells 23.

Water liquid and active metal are under the incomplete reaction effect, produce the mixture of hydroxide and water, for the reaction is complete, and under the prerequisite of guaranteeing reaction safety, the mixture of the alkaline solution of production and excessive water enters into reaction box 31 along storing up the silicon chamber, and react with the silicon of storing in the reaction box 31, the hydrogen of production provides the inflation power for falling to the ground buffer gear 3, on the one hand, for falling to the ground buffer gear 3 provides the power supply, on the other hand, the accelerated reaction, guarantee the security and the enforceability of unmanned aerial vehicle main part.

As shown in fig. 7 and 8, the buffering mechanism 3 falls to the ground includes the air duct 32, the one end of air duct 32 is linked together with reaction box 31, the other end intercommunication of air duct 32 has showy gasbag 33, before showy gasbag 33 takes place the inflation, the cover plate folding of locating organism 1 bottom is accomodate through rotating, when storing up the mixture of silicon in the silicon cavity and hydroxide and water and reacting and generating hydrogen, hydrogen can let in showy gasbag 33, along with the rapid inflation of showy gasbag 33, showy gasbag 33 can extrude and overturn the cover plate, until thoroughly expanding and opening, the inflated showy gasbag 33 plays the resistance between increase and the air on the one hand, reduce unmanned aerial vehicle's falling speed, on the other hand, when unmanned aerial vehicle falls to the ground, has a good cushioning effect.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.