CN112706915A

CN112706915A - Atmospheric pressure height detection device unmanned aerial vehicle

Info

Publication number: CN112706915A
Application number: CN202110006194.6A
Authority: CN
Inventors: 陆颖怡
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-04-27

Abstract

The invention discloses an unmanned aerial vehicle with an air pressure height detection device, relates to the technical field of unmanned aerial vehicles, and solves the problems that a propeller of an existing unmanned aerial vehicle is easily shielded by falling leaves, labor saving loss is caused, the balance of the unmanned aerial vehicle is affected, and tipping and crash are easy to occur. An unmanned aerial vehicle for an air pressure height detection device comprises a body, wherein the body comprises propellers, four inclined cantilevers are symmetrically supported by the body, a motor is fixedly installed at the head ends of the four inclined cantilevers, and six propellers are rotatably installed at the top ends of the four motors; the locking and hoisting device is characterized in that a mounting seat is arranged at the center of the bottom of the machine body, a hoisting shaft is welded at the bottom of the mounting seat in a supporting mode, and a laser emitter is arranged on the middle section of the hoisting shaft in a locking and penetrating mode. The invention can obtain the reference point on the top end section of the trunk by the reference of the laser beam and the auxiliary observation of the camera, and the height of the trunk can be conveniently and accurately measured through the reference point, thereby having better practicability.

Description

Atmospheric pressure height detection device unmanned aerial vehicle

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle with an air pressure height detection device.

Background

Related detection and investigation of trees in an area are needed in the development of forestry management work, and parameters such as the height, the breast height, the crown width and the like of the trees are generally needed to be measured and calculated. The prior art generally requires personnel to go to the site to detect trees in the field using infrared rangefinders and other measuring equipment. However, in the field environment, trees sometimes grow on the terrain which is difficult for personnel to reach, which brings inconvenience to research and development work and even endangers the personal safety of the workers. In addition, uneven environmental topography can also bring the influence to instruments such as infrared distance meter's use, causes measured data inaccuracy scheduling problem, and this kind just needs one.

For example, patent No. CN201922221993.6 discloses an unmanned aerial vehicle capable of measuring the height of trees, which comprises an unmanned aerial vehicle main body and a distance measuring device mounted below the main body, three groups of vertical upper sections distributed in an annular array are welded below the main body of the unmanned aerial vehicle, horizontal sections are welded between the upper sections, the lower surface of the horizontal section is provided with a dovetail strip, the distance measuring device is mounted below the dovetail strip, the upper end of the dovetail strip is provided with a dovetail clamping block, the dovetail clamping block is in a rectangular strip structure, the dovetail strip is positioned in a dovetail clamping groove in the dovetail clamping block, a clamping rail locking screw is connected in the threaded hole on the bottom surface of the dovetail clamp groove in a threaded manner, a rubber clamping rail pad is fixedly bonded in an opening at the upper end of the clamping rail locking screw, the rubber clamping rail pad is abutted to the lower surface of the dovetail strip, and the upper end of the vertical plate below the dovetail clamping block is positioned in the side groove of the clamping block. This can measure unmanned aerial vehicle of tree height, but rapid survey tree height is fit for generally using widely.

The existing unmanned aerial vehicle mostly adopts a camera shooting observation method to determine a reference point of a trunk top end section, the reference point is obtained by shooting through a camera device, the horizontal height of the existing unmanned aerial vehicle and the unmanned aerial vehicle cannot be accurately calibrated, the measurement deviation of the trunk height can be caused, in addition, a propeller is easily shielded by falling leaves, the labor saving loss is caused, the balance of the unmanned aerial vehicle is influenced, and the phenomenon of overturning and falling is easily caused.

Disclosure of Invention

The invention aims to provide an unmanned aerial vehicle with an air pressure height detection device, and aims to solve the problems that a propeller is easily shielded by falling leaves, labor is saved, the balance of the unmanned aerial vehicle is affected, and the unmanned aerial vehicle is easy to tip over and crash.

In order to achieve the purpose, the invention provides the following technical scheme: an unmanned aerial vehicle for an air pressure height detection device comprises a body, wherein the body comprises propellers, four inclined cantilevers are symmetrically supported by the body, a motor is fixedly installed at the head ends of the four inclined cantilevers, and six propellers are rotatably installed at the top ends of the four motors; the center of the bottom of the machine body is locked and hung with an installation seat, the bottom of the installation seat is supported and welded with a hanging shaft, the middle section of the hanging shaft is locked and penetrated with a laser emitter, and the bottom section of the hanging shaft is locked and installed with a camera; an air pressure height measuring instrument is locked and installed at the rear side position of the middle of the bottom of the machine body, and protective rings are supported and installed on the head end sections of four cantilevers of the machine body and sleeved on four propellers; one crushing frame is fixedly supported at the top ends of the four propellers; the protective ring comprises barrier rings, a cross-shaped bracket is welded in the protective ring in a supporting mode, and five barrier rings are arranged on the cross-shaped bracket in a surrounding mode at equal intervals from inside to outside; the bottom of the machine body is symmetrically supported with two grounding support frames.

Preferably, the guard ring further comprises an arch rod, the top of the five barrier ring is covered above the top end of the propeller, and the top ends of the inner side, the outer side and the middle three barrier rings are in annular array support welding with a circle of arch rod.

Preferably, the crushing frame includes the sword tooth, the whole two department rotation axes of welding by central pivot and symmetry stull of crushing frame are welded jointly and are formed, and wherein the equal equidistance interval welding in top of two department rotation axes has one row of sword tooth.

Preferably, the crushing frame further comprises a deflector rod, the central rotating shaft of the crushing frame penetrates through the barrier ring at the middle, and a row of deflector rods are welded at the bottoms of the two cross support rotating shafts on the crushing frame at equal intervals.

Preferably, five annular grooves are formed between the five barrier rings at intervals, and the two rows of deflector rods are correspondingly and rotatably arranged in the five annular grooves between the five barrier rings.

Preferably, the laser emitter and the camera are both horizontally supported and mounted, and the laser emitter and the camera are vertically spaced and have the same orientation.

Preferably, the arch heights of the three circles of arch bars are the same, and the supporting heights of the three circles of arch bars are smaller than the height of the circumferential outer wall of the protection ring.

Preferably, the two ground contact support frames at the bottom of the machine body are formed by welding two inclined support rods and a bottom arc-shaped ground contact rod together, and the laser emitter and the camera face towards the front side to form a space between the two inclined support rods of the ground contact support frames.

Compared with the prior art, the invention has the beneficial effects that:

1. the two cutter teeth can adsorb and cling to the larger leaves conveyed by the protective ring to be cut up in a high-speed rotating mode, so that the problem that the larger leaves cover the propeller to cause lift loss and cause the unbalanced lift of the unmanned aerial vehicle to tip over and crash is avoided;

2. the two rows of deflector rods can rotationally scrape out leaves falling and adsorbed on the five barrier rings with smaller areas, so that the situation that the smaller leaves shield and reduce the ventilation rate of the five barrier rings to cause lift loss is avoided, the rotating power of the two rows of deflector rods and the two rows of cutter teeth is derived from motors of four propellers, the kinetic energy of the lift motors is fully utilized, additional matched driving motors for the four crushing frames are omitted, the integral weight reduction and power consumption reduction of the unmanned aerial vehicle are facilitated, and the market popularization is facilitated;

3. the invention can obtain the reference point on the top end section of the trunk by the reference of the laser beam and the auxiliary observation of the camera, and the height of the trunk can be conveniently and accurately measured through the reference point, so that the practicability is better;

4. the three-ring arch-shaped rod can support leaves falling onto the five barrier rings, so that an interval ventilation gap is kept between the leaves and the propeller, the problem that the propeller completely fails due to complete ventilation gap after the leaves are directly attached to the five barrier rings is avoided, the lift force of the propeller is completely ineffective, and the hidden danger of falling is increased.

Drawings

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

FIG. 2 is a schematic bottom three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the installation position of the altimeter according to the present invention;

FIG. 4 is a schematic view of the crushing frame structure of the present invention;

FIG. 5 is a schematic view of a guard ring according to the present invention;

FIG. 6 is a schematic view of the arch bar configuration of the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 2 according to the present invention;

in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a body; 101. a propeller; 2. an air pressure altimeter; 3. a guard ring; 301. a fence ring; 302. an arch bar; 4. a crushing frame; 401. cutter teeth; 402. a deflector rod; 6. a laser transmitter; 7. a camera is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 7, an embodiment of the present invention includes: an unmanned aerial vehicle for an air pressure height detection device comprises a machine body 1, wherein the machine body 1 comprises propellers 101, four inclined cantilevers are symmetrically supported on the machine body 1, a motor is fixedly installed at the head end of each of the four inclined cantilevers, and a six-blade propeller 101 is rotatably installed at the top end of each of the four motors; a mounting seat is locked and hung at the center of the bottom of the machine body 1, a hanging shaft is welded at the bottom of the mounting seat in a supporting mode, a laser emitter 6 is locked and penetrated in the middle section of the hanging shaft, and a camera 7 is tightly installed on the bottom section of the hanging shaft; an air pressure height measuring instrument 2 is locked and installed at the rear side position of the middle of the bottom of the machine body 1, and protective rings 3 are supported and installed on the head end sections of four cantilevers of the machine body 1, and the protective rings 3 are sleeved on four propellers 101; one crushing frame 4 is fixedly supported at the top ends of the four propellers 101; the protective ring 3 comprises a barrier ring 301, a cross-shaped bracket is welded in the protective ring 3 in a supporting mode, and five barrier rings 301 are arranged on the cross-shaped bracket in a surrounding mode at equal intervals from inside to outside; the bottom of the machine body 1 is symmetrically supported with two grounding support frames; the two ground contact support frames at the bottom of the machine body 1 are formed by welding two inclined support rods and a bottom arc-shaped ground contact rod together, and the laser emitter 6 and the camera 7 face towards the space between the two inclined support rods of the ground contact support frames at the front side; guard ring 3 still includes arch bar 302, and five fender fence circle 301 tophoods are in the top of screw 101, and the inboard outside and three fender fence circle 301 tops in the middle of and all be the annular array and support the welding and have a round arch bar 302, and five fender fence circles 301 can shelter from the branch, reduce harder branch direct roof and stab the probability of breaking the damage respectively with screw 101 on screw 101.

The model of the camera 7 is: caddx models are: ratel

The laser emitter 6 is of the type: the kaitian models are: KTSG-03B

The type of the air pressure altimeter 2 is as follows: the wit intelligent model is: BMP208

Further, broken frame 4 includes sword tooth 401, and broken frame 4 is whole to be welded jointly by central pivot and two places rotation axis of symmetry stull welded and is constituteed, and wherein the equal equidistance interval welding in top of two places rotation axis has one row of sword tooth 401, and two places sword tooth 401 can paste absorption and lean on in the great defeated high-speed rotatory comminution of leaf of guard circle 3, avoids great leaf to cover screw 101, causes the lift loss, causes the unbalanced emergence of unmanned aerial vehicle lift and tumbles the machine.

Further, broken frame 4 still includes driving lever 402, and broken 4 central pivots of frame pass a fence circle 301 of keeping off in the middle of, and broken 4 equal equidistance interval welding in the bottom of two stull rotation axes has one row of driving lever 402, and two rows of driving lever 402 can be scraped the leaf rotation that drops and adsorb in five less areas on fence circle 301, avoids less leaf to shelter from the ventilative volume that reduces five fence circles 301, causes the lift loss.

Further, five fencing rings 301 are formed with five annular at the interval between, two rows of driving levers 402 correspond to change to slide and arrange five annular between these five fencing rings 301 in, the rotary power of two rows of driving levers 402 and two rows of sword teeth 401 all derives from the motor of screw 101 everywhere, this make full use of lift motor's kinetic energy, save for broken 4 additional supporting driving motor of frame everywhere, help unmanned aerial vehicle whole to subtract heavy and reduce the consumption, the marketing of being convenient for.

Furthermore, the laser emitter 6 and the camera 7 are horizontally supported and installed, the laser emitter 6 and the camera 7 are vertically spaced and face the same direction, when the height of the trunk is measured, a laser beam emitted by the laser emitter 6 can be horizontally irradiated on the top section of the trunk and is calibrated and observed through the camera 7, the height obtained by measuring with the laser beam as a reference point is the height of the trunk, the reference point can be obtained on the top section of the trunk by referring to the laser beam and assisting in observation through the camera 7, the height of the trunk can be conveniently and accurately measured through the reference point, and the practicability is good.

Further, the arch heights of the three circles of arch-shaped rods 302 are the same, the supporting height of the three circles of arch-shaped rods 302 is smaller than the height of the outer wall of the circumference of the protective ring 3, the three circles of arch-shaped rods 302 can support leaves falling on the five barrier rings 301, interval ventilation gaps are kept between the leaves and the propeller 101, the problem that the leaves are directly attached to the five barrier rings 301 to finish the airtight ventilation gaps is avoided, the propeller 101 is completely out of work, the lifting force is complete, and the hidden danger of falling is increased.

The working principle is as follows: five barrier fence rings 301 can shield branches, the probability that the propeller 101 is damaged by directly pushing harder branches on the propeller 101 is reduced, two knife teeth 401 can attach and lean against larger leaves of the protective ring 3 to be cut into pieces in a high-speed rotating manner, the larger leaves can be prevented from shielding the propeller 101, the lift loss is caused, the lift imbalance of the unmanned aerial vehicle is caused to tilt, two rows of deflector rods 402 can rotate and scrape out smaller-area leaves falling and adsorbed on the five barrier fence rings 301, the situation that the smaller leaves shield and reduce the ventilation rate of the five barrier fence rings 301 to cause the lift loss is avoided, the rotating power of the two rows of deflector rods 402 and the two rows of knife teeth 401 is derived from motors of the four propellers 101, the kinetic energy of the lift motors is fully utilized, additional matching driving motors for the four crushing frames 4 are omitted, the whole weight reduction and power consumption reduction of the unmanned aerial vehicle are facilitated, and the market popularization is facilitated, when the height of the trunk is measured, a laser beam emitted by a laser emitter 6 can be horizontally irradiated on the top end section of the trunk and is calibrated and observed through a camera 7, the height measured by taking the laser beam as a reference point is the height of the trunk, the invention can obtain the reference point on the top end section of the trunk by referring to the laser beam and assisting observation through the camera 7, the height of the trunk can be conveniently and accurately measured through the reference point, the practicability is better, the three-ring arch-shaped rod 302 can prop up leaves falling on the five barrier rings 301, so that an interval ventilation gap is kept between the leaves and the propeller 101, the situation that the leaves are directly attached to the five barrier rings 301 to finish the airtight ventilation gap is avoided, the propeller 101 completely fails, the lifting force is complete, and the potential hazard of falling is increased.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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. The utility model provides an atmospheric pressure height detection device unmanned aerial vehicle which characterized in that: the wind power generation device comprises a machine body (1), wherein the machine body (1) comprises propellers (101), four inclined cantilevers are symmetrically supported on the machine body (1), a motor is fixedly installed at the head end of each inclined cantilever, and six propellers (101) are rotatably installed at the top ends of the motors; a mounting seat is locked and hung at the center of the bottom of the machine body (1), a hanging shaft is welded at the bottom of the mounting seat in a supporting mode, a laser emitter (6) penetrates through the middle section of the hanging shaft in a locking mode, and a camera (7) is installed on the bottom section of the hanging shaft in a locking mode; an air pressure altimeter (2) is locked and installed at the rear side position of the middle of the bottom of the machine body (1), protective rings (3) are supported and installed on the head end sections of four cantilevers of the machine body (1), and the protective rings (3) are sleeved on four propellers (101); one crushing frame (4) is fixedly supported at the top ends of the propellers (101); the protective ring (3) comprises a barrier ring (301), a cross-shaped bracket is welded in the protective ring (3) in a supporting mode, and five barrier rings (301) are annularly arranged on the cross-shaped bracket at equal intervals from inside to outside; the bottom of the machine body (1) is symmetrically supported with two grounding support frames.

2. The atmospheric pressure height detection device unmanned aerial vehicle of claim 1, characterized in that: the protective ring (3) further comprises an arch rod (302), the top of the five barrier ring (301) is covered above the top end of the propeller (101), and the top ends of the three barrier rings (301) on the inner side, the outer side and the middle are all in an annular array, and are supported and welded with a circle of arch rod (302).

3. The atmospheric pressure height detection device unmanned aerial vehicle of claim 1, characterized in that: broken frame (4) include sword tooth (401), broken frame (4) are whole to be welded jointly by central pivot and symmetry stull welded two places rotation axis and are constituteed, and wherein the equal equidistance interval welding in top of two places rotation axis has one row of sword tooth (401).

4. The atmospheric pressure height detection device unmanned aerial vehicle of claim 1, characterized in that: the crushing frame (4) further comprises a driving lever (402), the central rotating shaft of the crushing frame (4) penetrates through the barrier ring (301) at the middle part, and a row of driving levers (402) are welded at equal intervals at the bottoms of the transverse support rotating shafts at two positions on the crushing frame (4).

5. The atmospheric pressure height detection device unmanned aerial vehicle of claim 1, characterized in that: five annular grooves are formed among the five baffle ring rings (301) at intervals, and two rows of deflector rods (402) are correspondingly and rotatably arranged in the five annular grooves among the five baffle rings (301).

6. The atmospheric pressure height detection device unmanned aerial vehicle of claim 1, characterized in that: laser emitter (6) and camera (7) all are the horizontal support installation, and laser emitter (6) and camera (7) are upper and lower interval and the orientation is the same.

7. The atmospheric pressure height detection device unmanned aerial vehicle of claim 2, characterized in that: the arch heights of the three circles of arch bars (302) are the same, and the supporting heights of the three circles of arch bars (302) are smaller than the height of the circumferential outer wall of the protective ring (3).

8. The atmospheric pressure height detection device unmanned aerial vehicle of claim 1, characterized in that: the two ground contact support frames at the bottom of the machine body (1) are formed by welding two inclined support rods and a bottom arc-shaped ground contact rod together, and the laser emitter (6) and the camera (7) face towards the front side to form an interval space between the two inclined support rods of the support frames.