CN106155088A - Stable centre-of-gravity device that major-minor medicine-chest combines and method and unmanned plane - Google Patents

Stable centre-of-gravity device that major-minor medicine-chest combines and method and unmanned plane Download PDF

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Publication number
CN106155088A
CN106155088A CN201610687546.8A CN201610687546A CN106155088A CN 106155088 A CN106155088 A CN 106155088A CN 201610687546 A CN201610687546 A CN 201610687546A CN 106155088 A CN106155088 A CN 106155088A
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medicine
case
principal agent
unmanned plane
centre
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CN201610687546.8A
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CN106155088B (en
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蒋璐璐
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Zhejiang Technical Institute of Economics
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Zhejiang Technical Institute of Economics
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/10Simultaneous control of position or course in three dimensions
    • G05D1/101Simultaneous control of position or course in three dimensions specially adapted for aircraft
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/08Control of attitude, i.e. control of roll, pitch, or yaw
    • G05D1/0808Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Catching Or Destruction (AREA)
  • Special Spraying Apparatus (AREA)

Abstract

The present invention discloses the stable centre-of-gravity device that a kind of major-minor medicine-chest combines, and including support, the top of described support is provided with auxiliary medicine case, bottom is provided with principal agent case, middle part is unmanned plane installation position;Described auxiliary medicine case with principal agent case relative to the installation symmetrical above and below of the center of gravity of unmanned plane;The bottom of described auxiliary medicine case is provided with the compensation hole connected by the road with principal agent case, is provided with farm chemical spray pump at this compensation hole;The bottom of described principal agent case is provided with medicine outlet;Described support includes adjustable for height support bar, and the crossbeam being connected between support bar, and described crossbeam is provided with fixing described auxiliary medicine case and the position-limit mechanism of principal agent case.The invention also discloses stable center of gravity method based on aforementioned stable centre-of-gravity device, and there is the unmanned plane of this device.The present invention can regulate the position of major-minor medicine-chest by support, stablizes the bottom of unmanned plane and the balance on top;Achieve the flowing of medicinal liquid during spraying of principal agent case and auxiliary medicine case to supplement, stablize the operation balance of unmanned plane.

Description

Stable centre-of-gravity device that major-minor medicine-chest combines and method and unmanned plane
Technical field
The present invention relates to agricultural engineering field and be applicable to the unmanned plane gravity balance device of farmland spraying operation, especially relate to And the stable centre-of-gravity device that combines of a kind of major-minor medicine-chest and method and there is the unmanned plane of this device.
Background technology
In recent years, unmanned air vehicle technique has had the development advanced by leaps and bounds.Owing to its low cost, mobility are good, survival ability By force, no one was injured advantages such as risk, unmanned plane occupies extremely important status at modern military and civil area, agricultural Field application is more and more wide.
Unmanned aerial vehicle quality is light and handy, it is simple to operation, but the change of its center of gravity is to the flight of aircraft and agricultural operation quality Affect the biggest.For the center of gravity of stable unmanned plane during flying, what the patent application of Publication No. CN104354864A provided is used for spraying The rotary wind type unmanned plane of pesticide, including the fuselage with rotor assemblies, described fuselage is also equipped with medicine-chest and connects with medicine-chest The chemical spraying device connect, described medicine-chest is provided with multiple, the horizontal center of gravity of the tiling setting of all medicine-chests and entirety and the level weight of fuselage The heart overlaps;Big medicine-chest is decomposed into isometric multiple little medicine-chest, and aircraft is under emergency stop, and the liquid in each medicine-chest produces Horizontal centre-of gravity shift less, overall horizontal centre-of gravity shift to be significantly smaller than single medicine-chest to contain the situation of medicinal liquid, thus Avoid because the change of horizontal centre-of gravity shift is excessive, fuselage inclination angle is too high and make to fly control and cannot correct born problem out of control and send out Raw.
It addition, the patent application of Publication No. CN203876985U provides a kind of remote control spray with automatic balance function Medicine helicopter, including fuselage, main rotor, electromotor, foot piece, tail slurry, vertical fin, fuel tank, chemical spraying device, remote control unit, described spray Medicine device includes drug storage mechanism, flexible pipe, air pump, the rotary chemical spraying mechanism of both wings, described drug storage mechanism by left medicine-chest, right medicine-chest, Rear medicine-chest, communicating pipe, ballast pump, forward horizontal stand induction apparatus, back balance induction apparatus composition, described left medicine-chest, right medicine-chest are respectively mounted In the left and right sides of fuselage, the front end of described left medicine-chest and right medicine-chest is by flexible pipe, air pump with the rotary chemical spraying mechanism of both wings even Connecing, described left medicine-chest is connected with the rear medicine-chest being arranged on foot piece by communicating pipe, ballast pump with the rear end of right medicine-chest;This patent Horizontal center of gravity is regulated by ballast pump also with between three medicine-chests.
At present, the unmanned aerial vehicle general only one of which medicine-chest on market, it is generally seated in above or below aircraft, when filling The when of medicinal liquid, the height of C.G. of aircraft is on the lower side, along with the sprinkling of medicinal liquid, the minimizing of medicine-chest Chinese medicine liquid measure, the weight of unmanned aerial vehicle The heart can significantly raise, and causes center of gravity of airplane height and position to change, and forms unbalanced state, affects the flight stability of aircraft Property, in addition the collection of agricultural land information and fertile medicine are sprayed etc. and to cause serious impact, result even in unmanned plane time serious and crash.
Summary of the invention
For the problems referred to above, the present invention provides the stable centre-of-gravity device and method, Yi Jiwu that a kind of major-minor medicine-chest combines Man-machine, mainly unmanned plane is added auxiliary medicine case and balances the overall weight of fuselage, ensure during unmanned plane operation with The minimizing of amount of liquid medicine in main box, adjust fuselage overall weight by the supply of auxiliary medicine case, reach bottom and top The balance of weight, balances the problems such as the fuselage inclination that bottom unmanned plane, medicine-chest causes because of the minimizing of medicinal liquid.
The concrete technical scheme of the present invention is as follows:
The stable centre-of-gravity device that a kind of major-minor medicine-chest combines, including support, the top of described support be provided with auxiliary medicine case, Bottom is provided with principal agent case, middle part is unmanned plane installation position;
Described auxiliary medicine case with principal agent case relative to the installation symmetrical above and below of the center of gravity of unmanned plane;
The bottom of described auxiliary medicine case is provided with the compensation hole connected by the road with principal agent case, is provided with spray medicine at this compensation hole Pump;
The bottom of described principal agent case is provided with medicine outlet;
Described support includes adjustable for height support bar, and the crossbeam being connected between support bar, and described crossbeam sets There are fixing described auxiliary medicine case and the position-limit mechanism of principal agent case.
The present invention utilizes two completely identical in structure auxiliary medicine casees and principal agent case, is separately mounted to up and down the two of unmanned plane Side, it is ensured that after equipped medicine-chest, the height of C.G. of unmanned plane holding self is constant;Meanwhile, in flight course, along with principal agent case The ejection of inner liquid medicine, utilizes auxiliary medicine case to compensate dose in principal agent case, keeps upper and lower two medicine-chests to locate all the time in flight course Medicinal liquid surplus in weight balancing state, i.e. medicine-chest is equal, with the height of C.G. during this stable unmanned plane during flying, reaches The balance of the weight on bottom and top, balances the problems such as the fuselage inclination that bottom unmanned plane, medicine-chest causes because of the minimizing of medicinal liquid.
As preferably, described auxiliary medicine case and principal agent case are equipped with feeding opening, for injecting medicinal liquid in medicine-chest, and It is combined with ventilative case lid at each feeding opening, balances medicine-chest inner and outer air pressure, it is to avoid in medicine-chest, occur that negative pressure affects the stream of medicinal liquid Logical.
Further, at described medicine outlet, liquid flow sensor is installed, for sending the letter controlling described farm chemical spray pump Number.
The present invention utilizes liquid flow sensor, and that detects principal agent case in real time goes out dose so that farm chemical spray pump can be according to this inspection Surveying signal and regulate the auxiliary medicine case compensation dosage to principal agent case, keeping compensation dosage is the 1/2 of principal agent case drug flow, it is achieved whole nothing Man-machine height of C.G. balance.
As preferably, the medicine outlet compensating hole and principal agent case on described auxiliary medicine case is respectively positioned in corresponding box bottom Heart lowest part;I.e. medicine-chest has the bottom surface of circular arc or inclination, promotes the medicinal liquid in medicine-chest to be completely exhausted out.
In the present invention, for preventing medicine-chest the rocking in flight course in mounting bracket, the crossbeam of support is provided with The position-limit mechanism of fixing medicine-chest, specifically, described position-limit mechanism is T-shaped beam, and the side of described principal agent case and auxiliary medicine case is provided with T Type groove;Inserted in the T-slot of medicine-chest side by T-shaped beam, it is achieved fixing of medicine-chest.
It is further preferred that described T-shaped beam includes that level is to T-shaped beam with vertically to T-shaped beam;Described T-slot includes The level of casing top or bottom of being located at is to T-slot, and is located at the vertical to T-slot of casing side face.
The present invention is by arranging level to T-shaped beam with vertically to T-shaped beam, it is achieved the limit to medicine-chest four orientation all around Position, more preferably to keep the balance of medicine-chest.
As preferably, described vertical to T-shaped beam between upper and lower two crossbeams, crossbeam is fixed with limited block, should Limited block is provided with and the vertical T-shaped stopper slot coordinated to T-shaped beam end.When medicine-chest is installed, casing directly can be pushed level To T-shaped beam, but vertically must use demountable structure to T-shaped beam, in order in level after fixing medicine-chest, hanging down described in insertion Straight to T-shaped beam.
As preferably, described support bar includes the loop bar fixing with base cross members, and fixes with top cross-bar and insert Enter the expansion link in loop bar;Described loop bar and expansion link are provided with the height adjusting holes matched, and by adjusting through height The alignment pin of knothole is fixed.
Utilize adjustable for height support bar to install to be adapted to various sizes of unmanned plane, more can regulate after installing The position of lower two medicine-chests so that upper and lower two medicine-chests pile relative to the center of gravity of unmanned plane body.
A kind of method that aforementioned stable centre-of-gravity device realizes, according to the flow of principal agent bottom portion medicine outlet, passes through farm chemical spray pump Controlling auxiliary medicine case and flow to the medicinal liquid compensation dosage of principal agent case, described compensation dosage is the 1/2 of principal agent case drug flow, i.e. ensures unmanned The weight of the auxiliary medicine case above aircraft is the most identical with the weight of the principal agent case below unmanned plane, keeps the center of flying gravity of unmanned plane The most constant.
Present invention also offers a kind of unmanned plane with stable centre-of-gravity device, described unmanned plane is provided with above-mentioned steady Determining centre-of-gravity device, unmanned plane is fixed in the unmanned plane installation position of described support.
Present configuration is simple, can be regulated the position of major-minor medicine-chest by balance bracket, stablize the bottom of unmanned plane Balance with top;Achieve the flowing of medicinal liquid during spraying of principal agent case and auxiliary medicine case to supplement, stablize the work of unmanned plane Industry balances.
Accompanying drawing explanation
Fig. 1 is the general structure figure of support;
Fig. 2 is the side view of support;
Fig. 3 is the structure chart of principal agent case;
Fig. 4 is the structure chart of auxiliary medicine case.
Detailed description of the invention
Stable centre-of-gravity device as depicted in figs. 1 and 2, including support 2, the top of this support 2 is auxiliary medicine case installation position 201, middle part is unmanned plane installation position 202, and bottom is principal agent case installation position 203.
As it is shown on figure 3, principal agent case 10 is provided with medicine outlet the 6, first feeding opening 4, T-shaped groove 5 and first compensates hole 7, the One feeding opening 4 and the first compensation hole 7 are separately positioned on the position on the upper side, both sides of casing, and the first feeding opening 4 is for principal agent case 10 Interior injection medicinal liquid, and use ventilative case lid 3 to seal, medicine-chest inner and outer air pressure can be balanced.T-shaped groove 5 is positioned at the bottom of casing, And be two be arranged in parallel, in the principal agent case installation position 203 that principal agent case 10 is arranged in support 2.
In the present embodiment, the bottom surface of principal agent case 10 is cambered surface, and medicine outlet 6 is positioned at the lowest part of tank floor, in casing Medicinal liquid is outwards sprayed by medicine outlet 6.
As shown in Figure 4, auxiliary medicine case 11 is provided with the second feeding opening 8, second and compensates hole 9 and T-shaped groove 5.Second feeding opening 8 It is arranged on the position on the upper side, side of casing, for adding medicinal liquid to auxiliary medicine case 11, also utilizes ventilative case lid 3 to seal.Auxiliary medicine case 11 have smooth end face, and two parallel T-shaped grooves 5 are arranged in end face.At second compensation hole 9, farm chemical spray pump 12 is installed, And second compensated hole 9 and connected with the first compensation hole 7 on principal agent case 10 by pipeline so that auxiliary medicine case 11 inner liquid medicine is by this pipe Road can flow in principal agent case 10.
In the present embodiment, auxiliary medicine case is identical with the capacity of principal agent case, and structure broadly similar, in support 2 and relatively nothing The installation symmetrical above and below of man-machine center of gravity.
Being provided with liquid flow sensor 13 at the medicine outlet 6 of principal agent case, be used for real-time detection principal agent case goes out dose, makes Obtain farm chemical spray pump and can regulate the auxiliary medicine case compensation dosage to principal agent case according to this detection signal.Meanwhile, the dsp controller 1 on support 2 Electrically connect with liquid flow sensor and farm chemical spray pump respectively.
Support 2 includes adjustable for height support bar 21 and the crossbeam 22 being connected between support bar 21.Support bar 21 includes The loop bar 24 fixing with top cross-bar, and the expansion link 25 fixed with base cross members and be inserted in loop bar 24, and loop bar 24 It is provided with the height adjusting holes 26 matched with expansion link 25, and is fixed by the alignment pin 27 through height adjusting holes 26, with The height maintaining support bar 21 is constant.
In the present embodiment, for preventing medicine-chest the rocking in flight course in mounting bracket, on the crossbeam 22 of support It is provided with the T-shaped beam of fixing medicine-chest, is inserted by T-shaped beam in the T-shaped groove 5 of medicine-chest side, it is achieved fixing of medicine-chest.T-shaped Liang Bao The level that includes is to T-shaped beam 23 with vertically to T-shaped beam 31;T-slot include the level being located at casing top or bottom to T-slot, and It is located at the vertical to T-slot of casing side face.When mounted, level inserts level in T-slot to T-shaped beam 23, vertically to T-shaped beam 31 insert vertically to T-slot, to realize the fixing of medicine-chest.
Wherein, vertically to T-shaped beam 31 between upper and lower two crossbeams, crossbeam is fixed with limited block 32, this limited block 32 It is provided with and the vertical T-shaped stopper slot coordinated to T-shaped beam 31 end.When medicine-chest is installed, casing directly can be pushed level to T-shaped Beam, but vertically must use demountable structure to T-shaped beam, in order in level after fixing medicine-chest, insert vertical to T-shaped beam.
In the present embodiment, loop bar 24 and expansion link 25 are externally provided with between screw thread, and two loop bars 24 and overlap by the first lifting horizontal stroke Beam 28, the first hoisting cross beam 28 and crossbeam 22 to being provided opposite to limited block 32, be fitted with vertical to T-shaped between two limited blocks 32 31, the first hoisting cross beam 28 can slide by loop bar 24 relatively, and is fixed by location nut 30.Such as, when installing auxiliary medicine case 11, First reduce the height of the first hoisting cross beam 28 so that auxiliary medicine case 11 can load in support, and make level insert auxiliary medicine to T-shaped beam 23 In the T-shaped groove 5 at case 11 top, then will vertically insert in the T-shaped groove of auxiliary medicine case 11 one side to T-shaped beam 31, then promote The height of the first hoisting cross beam 28 so that be vertically located exactly in the T-shaped stopper slot of two limited blocks 32 to the two ends of T-shaped beam 31, And screwed in place nut 30 so that the auxiliary medicine case 11 between the first hoisting cross beam 28 and top cross-bar is fixed.In like manner, principal agent case is also Fixed by locking nut 33 and the second hoisting cross beam 29 being slidably matched with expansion link.
Utilizing above-mentioned stable centre-of-gravity device, in unmanned plane operation flight course, liquid flow sensor 13 is by real Time detection principal agent case on flow at medicine outlet 6, the medicinal liquid that the medicine outlet 6 of principal agent case 10 is sprayed by liquid flow sensor 13 Value is transferred to dsp controller 1, and dsp controller 1 sprays medicine by being transferred to after signal processing at the second compensation hole 9 of auxiliary medicine case 11 Pump 12 so that farm chemical spray pump can regulate the auxiliary medicine case compensation dosage to principal agent case according to this detection signal, and control and compensation amount is principal agent The 1/2 of case drug flow, keeps the height of C.G. of whole unmanned plane to balance.
The foregoing is only the preferable implementation example of the present invention, be not limited to the present invention, all in present invention spirit and Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (10)

1. the stable centre-of-gravity device that major-minor medicine-chest combines, including support, it is characterised in that: the top of described support is installed Have auxiliary medicine case, bottom to be provided with principal agent case, middle part is unmanned plane installation position;
Described auxiliary medicine case with principal agent case relative to the installation symmetrical above and below of the center of gravity of unmanned plane;
The bottom of described auxiliary medicine case is provided with the compensation hole connected by the road with principal agent case, is provided with farm chemical spray pump at this compensation hole;
The bottom of described principal agent case is provided with medicine outlet;
Described support includes adjustable for height support bar, and the crossbeam being connected between support bar, and described crossbeam is provided with solid Fixed described auxiliary medicine case and the position-limit mechanism of principal agent case.
2. stablize centre-of-gravity device as claimed in claim 1, it is characterised in that be equipped with on described auxiliary medicine case and principal agent case into Ventilative case lid it is combined with at medicine mouth, and this feeding opening.
3. stablize centre-of-gravity device as claimed in claim 1, it is characterised in that fluid flow sensing is installed at described medicine outlet Device, for sending the signal controlling described farm chemical spray pump.
4. stablize centre-of-gravity device as claimed in claim 1, it is characterised in that on described auxiliary medicine case, compensate hole and principal agent case Medicine outlet is respectively positioned on the center lowest part of corresponding box bottom.
5. stablize centre-of-gravity device as claimed in claim 1, it is characterised in that described position-limit mechanism is T-shaped beam, described principal agent The side of case and auxiliary medicine case is provided with T-slot.
6. stablize centre-of-gravity device as claimed in claim 5, it is characterised in that described T-shaped beam includes that level to T-shaped beam and is hung down Straight to T-shaped beam;
Described T-slot includes that the level being located at casing top or bottom, to T-slot, and is located at the vertical to T of casing side face Type groove.
7. stablize centre-of-gravity device as claimed in claim 6, it is characterised in that described vertical to be positioned at upper and lower two to T-shaped beam horizontal Between beam, crossbeam being fixed with limited block, this limited block is provided with and the vertical T-shaped stopper slot coordinated to T-shaped beam end.
8. stablize centre-of-gravity device as claimed in claim 1, it is characterised in that described support bar includes fixing with base cross members Loop bar, and the expansion link fixed with top cross-bar and be inserted in loop bar;Described loop bar and expansion link are provided with and match Height adjusting holes, and fixed by the alignment pin through height adjusting holes.
9. one kind based on the method stablizing centre-of-gravity device described in any one of claim 1~8, it is characterised in that according to principal agent case The flow of bottom medicine outlet, controls auxiliary medicine case by farm chemical spray pump and flows to the medicinal liquid compensation dosage of principal agent case, and described compensation dosage is main The 1/2 of medicine-chest drug flow.
10. a unmanned plane with stable centre-of-gravity device, it is characterised in that install just like claim 1 on described unmanned plane ~the stable centre-of-gravity device that 8 described in any one, unmanned plane is fixed in the unmanned plane installation position of described support.
CN201610687546.8A 2016-08-17 2016-08-17 Main and auxiliary medicine box combined gravity center stabilizing device and method and unmanned aerial vehicle Active CN106155088B (en)

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CN106114822A (en) * 2016-08-03 2016-11-16 安阳全丰航空植保科技股份有限公司 The dynamic many rotors agricultural plant protection helicopter flight attitude regulator control system of oil
CN107728631A (en) * 2017-09-25 2018-02-23 富平县韦加无人机科技有限公司 Plant protection unmanned aerial vehicle control system and method based on mass measurement
CN107804465A (en) * 2017-12-12 2018-03-16 赵有科 A kind of fixing device of unmanned plane apparatus for automatically loading
CN108528677A (en) * 2018-04-10 2018-09-14 中博宇图信息科技有限公司 A kind of center of gravity self-regulation unmanned plane

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CN107804465A (en) * 2017-12-12 2018-03-16 赵有科 A kind of fixing device of unmanned plane apparatus for automatically loading
CN108528677A (en) * 2018-04-10 2018-09-14 中博宇图信息科技有限公司 A kind of center of gravity self-regulation unmanned plane
CN108528677B (en) * 2018-04-10 2021-09-24 河南省豫石地质勘查技术有限公司 Gravity center self-adjusting unmanned aerial vehicle

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