CN214356644U

CN214356644U - Unmanned aerial vehicle based on reverse atmospheric pressure promotes steady descending

Info

Publication number: CN214356644U
Application number: CN202120062655.7U
Authority: CN
Inventors: 罗凤娣
Original assignee: Shenyang Zhongfei Zhitu Geographic Information Technology Co ltd
Current assignee: Shenyang Zhongfei Zhitu Geographic Information Technology Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-10-08
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses an unmanned aerial vehicle based on reverse atmospheric pressure promotes steady descending belongs to unmanned aerial vehicle equipment technical field, including the casing, the fixed quick-witted board that is provided with in casing top, the activity in the middle of the quick-witted board top of going up is provided with the screw, and the fixed quick-witted board that is provided with down of chassis bottom, lower quick-witted board bottom intermediate position fixedly connected with sprayer, casing fixedly connected with hob all around, the fixed air-blast pipe that is provided with in hob downside position, hob upside position activity are provided with vice screw. The utility model discloses a set up the sprayer to the cooperation sets up pneumatic pump and air feed pipe, makes unmanned aerial vehicle can utilize high-pressure draught to spray and provides reverse driving force, and then makes unmanned aerial vehicle descend slowly at the descending in-process, sets up jet-propelled pipe through the bottom at the hob, can keep unmanned aerial vehicle's stationarity at unmanned aerial vehicle decline in-process, through setting up gasket and buffer spring, can effectively slow down the descending impact force that comes from ground in the twinkling of an eye.

Description

Unmanned aerial vehicle based on reverse atmospheric pressure promotes steady descending

Technical Field

The utility model relates to an unmanned aerial vehicle equipment technical field specifically is an unmanned aerial vehicle based on reverse atmospheric pressure promotes steady descending.

Background

With the development of economic technology, the appearance of the unmanned aerial vehicle plays an important role in all aspects of society, and the maturity of the unmanned aerial vehicle technology enables the unmanned aerial vehicle to be widely applied to the fields of agriculture, military, public service and the like; drones, also known as drones, are unmanned planes that are operated by radio remote control devices and self-contained program control devices, or are operated autonomously, either completely or intermittently, by an on-board computer.

Present unmanned aerial vehicle generally all drives through many screws and makes unmanned aerial vehicle can fly up, when unmanned aerial vehicle is descending the process, in order to let unmanned aerial vehicle can descend, can only be through the ascending power that slow reduction screw brought, but at the final stage that is about to descend, generally all adopt the mode that directly slides and descend, with the whole disconnection of power of unmanned aerial vehicle screw, make unmanned aerial vehicle directly drop to ground, so not only can cause certain damage to unmanned aerial vehicle itself, and the mode of descending is very unstable, to some unmanned aerial vehicles that carry out specific task and carry on precision instrument, have very big destructiveness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unmanned aerial vehicle based on reverse atmospheric pressure promotes steady descending to solve the current unmanned aerial vehicle who proposes in the above-mentioned background art and take off by all relying on the screw drive, at the descending in-process, can only be through reducing screw power, make unmanned aerial vehicle directly slide and drop, have very big damage to unmanned aerial vehicle itself, unstable descending mode probably causes very big destruction to some unmanned aerial vehicle that loads special instrument moreover.

In order to achieve the above object, the utility model provides a following technical scheme: the air conditioner comprises a shell, wherein an upper machine plate is fixedly arranged at the top of the shell, a brake is fixedly arranged in the middle of the top of the upper machine plate, a rotor is movably arranged at the top of the brake, and propellers are fixedly connected to four sides of the rotor; a lower machine plate is fixedly arranged at the bottom of the machine shell, and an ejector is fixedly connected to the middle position of the bottom of the lower machine plate; a controller is fixedly arranged in the middle of the inside of the shell, a pneumatic pump is fixedly arranged below the controller, and the lower part of the pneumatic pump is fixedly connected to the ejector through an air supply pipe; the periphery of the shell is fixedly connected with a screw rod, an air injection pipe is fixedly arranged at the lower side part of the screw rod, and an auxiliary propeller is movably arranged at the upper side part of the screw rod; the bottom of the lower machine plate is fixedly provided with support legs, and the tail ends of the bottom of the support legs are fixedly provided with gaskets.

Preferably, the casing is in a spherical shell shape as a whole, the upper plate and the lower plate are in a flat cylindrical shape, and the upper plate and the lower plate have the same size and are symmetrically distributed on the upper side and the lower side of the casing.

Preferably, four screw rods are arranged, the four screw rods are vertically distributed around the casing in a crossed manner, a connecting pipe penetrates through the bottom of the inner side of each screw rod, and the connecting pipe is fixedly connected to the pneumatic pump.

Preferably, the number of the air injection pipes is twelve, the number of the air injection pipes is three, the lower part of each spiral rod is arranged at equal intervals, and a piece of convex arc-shaped one-way membrane is fixedly arranged at the joint of each air injection pipe and the connecting pipe.

Preferably, the number of the propellers is four, the lower side of the upper side of each propeller is protruded and recessed, the number of the auxiliary propellers is four, and the four auxiliary propellers are correspondingly distributed on the upper parts of the four screw rods.

Preferably, four buffer springs are arranged on the lower side inside the lower machine plate, and each buffer spring is formed by alternately winding two spiral springs.

Preferably, the three support legs are arranged at the bottom of the lower machine plate at equal intervals; the gasket corresponds the stabilizer blade and is provided with three, and the gasket bottom is provided with the sucking disc of an indent.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the casing and go up the lower plate and all to the circular form, can make unmanned aerial vehicle more steady in the air, through setting up four vice screws, can keep unmanned aerial vehicle's steady state in unmanned aerial vehicle flight process or landing process, through setting up the pneumatic pump, and set up the sprayer in the middle of the lower plate bottom, can utilize the high-pressure draught that the pneumatic pump produced to provide a reverse driving force for unmanned aerial vehicle, and then in unmanned aerial vehicle descending process, keep stable slow speed descending;

2. the utility model discloses a set up four hob, and set up three jet-propelled pipe in the hob lower part, jet-propelled pipe passes through the connecting pipe and is connected with the pneumatic pump, make jet-propelled pipe can be at unmanned aerial vehicle decline in-process, keep unmanned aerial vehicle each position not to take place the slope, and then make more steady in the unmanned aerial vehicle decline engineering, through setting up the gasket in the stabilizer blade bottom, and set up the sucking disc of indent in the gasket lower part, when the steady landing of unmanned aerial vehicle to the ground, can utilize firm ground of grabbing of vacuum state, impact force when can slowing down the landing through set up buffer spring in the lower plate, and then effectual protection unmanned aerial vehicle's inner structure.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of the screw rod and its connection structure of the present invention;

fig. 4 is a schematic view of the gasket structure of the present invention.

In the figure: 1. a housing; 2. mounting a machine plate; 3. a lower machine plate; 301. a buffer spring; 4. a brake; 5. a rotor; 6. a propeller; 7. a screw rod; 701. a connecting pipe; 8. a support leg; 9. a gasket; 901. a suction cup; 10. an ejector; 11. a controller; 12. a pneumatic pump; 13. an air supply pipe; 1301. pressurizing the film; 14. a secondary propeller; 15. a gas ejector tube; 1501. a unidirectional film.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

All mentioned in the utility model can be ordered in the market or private.

Referring to fig. 1-4, the present invention provides a technical solution: an unmanned aerial vehicle based on reverse air pressure pushing and stable landing comprises a machine shell 1, an upper machine plate 2, a lower machine plate 3, a buffer spring 301, a brake 4, a rotor 5, a propeller 6, a screw rod 7, a connecting pipe 701, a supporting leg 8, a gasket 9, a sucker 901, an ejector 10, a controller 11, an air pressure pump 12, an air supply pipe 13, a pressurizing film 1301, an auxiliary propeller 14, an air injection pipe 15 and a one-way film 1501, wherein the upper machine plate 2 is fixedly arranged at the top of the machine shell 1, the brake 4 is fixedly arranged in the middle of the top of the upper machine plate 2, the rotor 5 is movably arranged at the top of the brake 4, and the propellers 6 are fixedly connected to four sides of the rotor 5; a lower machine plate 3 is fixedly arranged at the bottom of the machine shell 1, and an ejector 10 is fixedly connected to the middle position of the bottom of the lower machine plate 3; a controller 11 is fixedly installed in the middle of the inside of the machine shell 1, a pneumatic pump 12 is fixedly arranged below the controller 11, and the lower part of the pneumatic pump 12 is fixedly connected to the ejector 10 through a gas feeding pipe 13; a screw rod 7 is fixedly connected to the periphery of the machine shell 1, an air injection pipe 15 is fixedly arranged at the lower side part of the screw rod 7, and an auxiliary propeller 14 is movably arranged at the upper side part of the screw rod 7; the bottom of the lower machine plate 3 is fixedly provided with a support leg 8, and the tail end of the bottom of the support leg 8 is fixedly provided with a gasket 9.

Please refer to fig. 1-2, the whole casing 1 is spherical shell-shaped, the upper board 2 and the lower board 3 are flat cylindrical, the upper board 2 and the lower board 3 have the same size and are symmetrically distributed on the upper side and the lower side of the casing 1, the cylindrical shape makes the unmanned aerial vehicle more stable in flight, four screw rods 7 are arranged, the four screw rods 7 are vertically distributed around the casing 1 in a crossed manner, a connecting pipe 701 penetrates through the bottom of the inner side of each screw rod 7, and the connecting pipe 701 is fixedly connected to the pneumatic pump 12, so that the airflow can be conveyed into each air injection pipe 15.

Please refer to fig. 3, twelve air injection pipes 15 are arranged, three air injection pipes 7 are arranged at equal intervals at the lower part of each screw rod, a protruding arc-shaped one-way membrane 1501 is fixedly arranged at the joint of the air injection pipe 15 and the connecting pipe 701, the one-way membrane 1501 can prevent external air from flowing backwards into the connecting pipe 701, four propellers 6 are arranged, four auxiliary propellers 14 are arranged, the four auxiliary propellers 14 are correspondingly distributed at the upper parts of the four screw rods 7, and the unmanned aerial vehicle can be more stable in the air by utilizing the four auxiliary propellers 14.

Please refer to fig. 4, three pads 9 are arranged corresponding to the support legs 8, the bottom of the pad 9 is provided with a concave suction cup 901, and when the unmanned aerial vehicle lands on the ground, the suction cup 901 can firmly grip the ground.

Wherein, the model of controller 11 is: the controller Y601K, the model of brake 4 is KY02S brake, and the model of pneumatic pump 12 is T116A pneumatic pump.

The working principle is as follows: firstly, placing the unmanned aerial vehicle on a flat ground, under the control of the controller 11, braking by the brake 4 to enable the rotor 5 to rotate at a high speed, further driving the propeller 6 to rotate, providing ascending power for the unmanned aerial vehicle, and then matching with the auxiliary propeller 14 to keep the unmanned aerial vehicle in a stable state in the flight process of the unmanned aerial vehicle; secondly, when the unmanned aerial vehicle needs to land, the rotating speed of the propeller 6 is slowly reduced through the control of the controller 11 so that the unmanned aerial vehicle descends, when the unmanned aerial vehicle descends to a certain height and the propeller 6 cannot support the unmanned aerial vehicle in the air, high-speed airflow is generated through the air pressure pump 12, the airflow reaches the ejector 10 through the air supply pipe 13, the air pressure of the airflow can be increased when the airflow passes through the pressurizing film 1301, the ejector 10 downwards sprays the airflow to provide a reverse acting force for the unmanned aerial vehicle, so that the unmanned aerial vehicle can descend slowly, the airflow in the air pressure pump 12 is conveyed into the air injection pipe 15 through the connecting pipe 701 in the spiral rod 7, under the spraying of the air injection pipe 15, the stability of the descending process of the unmanned aerial vehicle can be achieved, and the unidirectional film 1501 effectively prevents external air from entering and interfering with the internal airflow; finally, when unmanned aerial vehicle steadily descends to the ground, the sucking disc 901 of gasket 9 bottom can utilize the firm ground of grabbing of vacuum state, support whole unmanned aerial vehicle under the support of stabilizer blade 8, and in the twinkling of an eye of descending, buffer spring 301 in lower board 3 can slow down the impact force when descending, and then effectual protection unmanned aerial vehicle's inner structure.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An unmanned aerial vehicle based on reverse air pressure pushing and stable landing comprises a housing (1) and is characterized in that an upper machine plate (2) is fixedly arranged at the top of the housing (1), a brake (4) is fixedly arranged in the middle of the top of the upper machine plate (2), a rotor (5) is movably arranged at the top of the brake (4), and propellers (6) are fixedly connected to four sides of the rotor (5); a lower machine plate (3) is fixedly arranged at the bottom of the machine shell (1), and an ejector (10) is fixedly connected to the middle position of the bottom of the lower machine plate (3); a controller (11) is fixedly installed in the middle of the interior of the machine shell (1), a pneumatic pump (12) is fixedly arranged below the controller (11), and the lower part of the pneumatic pump (12) is fixedly connected to the ejector (10) through a gas feed pipe (13); the periphery of the shell (1) is fixedly connected with a screw rod (7), an air injection pipe (15) is fixedly arranged at the lower side part of the screw rod (7), and an auxiliary propeller (14) is movably arranged at the upper side part of the screw rod (7); the bottom of the lower machine plate (3) is fixedly provided with a support leg (8), and the tail end of the bottom of the support leg (8) is fixedly provided with a gasket (9).

2. The unmanned aerial vehicle based on reverse air pressure promotes steady landing according to claim 1, characterized in that: the whole casing (1) is spherical shell-shaped, the upper machine plate (2) and the lower machine plate (3) are in flat cylindrical shapes, and the upper machine plate (2) and the lower machine plate (3) are identical in size and are symmetrically distributed on the upper side and the lower side of the casing (1).

3. The unmanned aerial vehicle based on reverse air pressure promotes steady landing according to claim 1, characterized in that: the four screw rods (7) are arranged, the four screw rods (7) are vertically distributed around the shell (1) in a crossed mode, a connecting pipe (701) penetrates through the bottom of the inner side of each screw rod (7), and the connecting pipe (701) is fixedly connected to the pneumatic pump (12).

4. The unmanned aerial vehicle based on reverse air pressure promotes steady landing according to claim 1, characterized in that: the number of the air injection pipes (15) is twelve in total, the number of the lower parts of each spiral rod (7) is three at equal intervals, and a piece of convex arc-shaped one-way film (1501) is fixedly arranged at the joint of each air injection pipe (15) and the connecting pipe (701).

5. The unmanned aerial vehicle based on reverse air pressure promotes steady landing according to claim 1, characterized in that: the four propellers (6) are arranged, the upper sides of the propellers (6) are raised, the lower sides of the propellers are recessed, the number of the auxiliary propellers (14) is four, and the four auxiliary propellers (14) are correspondingly distributed on the upper portions of the four screw rods (7).

6. The unmanned aerial vehicle based on reverse air pressure promotes steady landing according to claim 1, characterized in that: four buffer springs (301) are arranged on the lower side inside the lower machine plate (3), and the buffer springs (301) are formed by alternately winding two spiral springs.

7. The unmanned aerial vehicle based on reverse air pressure promotes steady landing according to claim 1, characterized in that: the three support legs (8) are arranged, and the three support legs (8) are distributed at the bottom of the lower machine plate (3) at equal intervals; three pieces of the gasket (9) are arranged corresponding to the support legs (8), and the bottom of the gasket (9) is provided with an inwards concave sucker (901).