CN109018389B - Be applied to resistance reducing means of unmanned aerial vehicle rainy day flight - Google Patents
Be applied to resistance reducing means of unmanned aerial vehicle rainy day flight Download PDFInfo
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- CN109018389B CN109018389B CN201810886413.2A CN201810886413A CN109018389B CN 109018389 B CN109018389 B CN 109018389B CN 201810886413 A CN201810886413 A CN 201810886413A CN 109018389 B CN109018389 B CN 109018389B
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 10
- 229910052744 lithium Inorganic materials 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
- B64D47/08—Arrangements of cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Accessories Of Cameras (AREA)
- Toys (AREA)
Abstract
The invention discloses a resistance reducing device applied to the rainy-day flight of an unmanned aerial vehicle, which structurally comprises four propellers, a machine body, an undercarriage, a camera and a resistance reducing mechanism, wherein the four propellers are respectively and mechanically connected with the machine body, and the resistance reducing device has the beneficial effects that: utilize the air resistance among the flight process to promote the extension rod and retract to the fuselage in, thereby drive L type actuating lever promotion slider drives the actuating lever motion, realize that the fly leaf props up, make the heat that the work of internal device produced outwards give off under this contained angle mouth, through reducing the temperature in the fuselage, make the temperature on fuselage surface reduce thereupon, the realization reduces the viscosity of the air of laminating mutually with the fuselage, reach the effect that reduces flight resistance, clockwise or anticlockwise motion through the annular cover of manual control, make in the annular chamber pass through the hose realization exchange by the heat that part work produced and external temperature, reach the effect of balanced difference in temperature, thereby eliminate the fog on the camera lens.
Description
Technical Field
The invention relates to the field of unmanned aerial vehicles, in particular to a resistance reducing device applied to the rainy day flight of an unmanned aerial vehicle.
Background
Along with the gradual maturity of unmanned aerial vehicle technique, and then unmanned aerial vehicle flight and the combination of taking photo by plane for the work of taking photo by plane more simple and convenient, the battery that some unmanned aerial vehicle used is the lithium polymer battery, and the best operating temperature of this battery is twenty degrees centigrade to thirty degrees centigrade, and present unmanned aerial vehicle equipment of taking photo by plane has following defect:
one, when unmanned aerial vehicle flies, the heat that inside equipment operation produced can influence unmanned aerial vehicle battery itself because the heat that work produced, two kinds of heats meet, make the temperature of lithium polymer battery rise greatly, influence this battery and normally work, and because unmanned aerial vehicle is at the in-process of flight, because the work of inside device makes the temperature of the outside sense of touch of unmanned aerial vehicle rise gradually, when sewing overcast and rainy weather, because the surperficial temperature of unmanned aerial vehicle is high, make the air temperature of external air and unmanned aerial vehicle surface laminating part rise along with it, thereby the resistance of this part air has been improved, make unmanned aerial vehicle's flight resistance grow, under equal flight condition, overcast and rainy's flight operating time is than longer.
Secondly, in rainy weather, the lens of the camera is easy to have fog, which affects the aerial photography quality.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: be applied to resistance reducing device of unmanned aerial vehicle rainy day flight, its structure includes screw, fuselage, undercarriage, camera, resistance to compression mechanism, the screw be equipped with four and respectively with fuselage mechanical connection, undercarriage and fuselage fixed connection, the fuselage in the south upwards fixed camera that is equipped with, camera and fuselage mechanical connection, resistance to compression mechanism locate on the fuselage and with fuselage swing joint.
As a further optimization of the invention, the resistance reducing mechanism comprises an anti-shake cradle head, an air viscosity reducing device, a first cavity, a second cavity, a defogging mechanism and a lithium polymer battery, wherein the anti-shake cradle head is arranged between the camera body and connects the camera body with the camera body, the first cavity is a cavity surrounded by the inner wall of the camera body, the air viscosity reducing device is arranged in the first cavity, the second cavity is an inner cavity of the camera body, the defogging mechanism is arranged in the second cavity, and the lithium polymer battery is fixedly arranged in the camera body.
As a further optimization of the invention, the air viscosity reducing device consists of a first spring, a first rail, a second rail, a driving rod, a movable plate, a fixed shaft, a second spring, an L-shaped driving rod, a fixed plate and an extension rod, the second rail and the first rail are arranged in an up-down structure, the first spring and the second spring are respectively arranged in the first rail and the second rail, the first spring is fixedly connected with the fixed plate, one end of the extension rod penetrates through the machine body, the other end of the extension rod is vertically welded with the fixed plate, a slide block is arranged in the second rail, the second rail is in sliding fit with the slide block, the fixed plate is connected with the slide block through an L-shaped driving rod, one end of the movable plate is penetrated by the fixed shaft, the movable plate is mechanically connected with the sliding block through the driving rod, the slider is connected with the second spring, and the end of the driving rod, which is far away from the slider, is fixed at the bottom of the movable plate, which is far away from the fixed shaft.
As a further optimization of the invention, the demisting mechanism comprises an annular cover, a manual block, a hose, an annular cavity, a fixed pipe, a clamping groove and an annular rail, wherein the annular cover is arranged in the annular rail, the annular cover is in sliding fit with the annular rail, the manual block is fixedly arranged on the annular cover, the fixed pipe is communicated with the annular cavity, the fixed pipe is connected with the hose, the clamping groove is movably connected with the annular cover, the annular cavity is communicated with the second cavity, and the clamping groove is fixed on the east side of the annular cavity.
Advantageous effects
The invention is applied to a resistance reducing device for the flying of an unmanned aerial vehicle in rainy days, the flying resistance of the unmanned aerial vehicle is increased because the air temperature is reduced and the viscosity of the air is increased along with the temperature rise, when the extension rod is pushed inwards by wind power, the first spring is contracted, so that the L-shaped driving rod pushes the sliding block to drive the driving rod to move and the movable plate is supported by the driving rod, an included angle port is arranged between the movable plate and the flying body, when the unmanned aerial vehicle flies, the heat generated by the working of internal devices is dissipated outwards through the included angle port, the temperature of the working environment in the flying body is reduced, the temperature on the surface of the flying body is indirectly reduced, the temperature of the airflow jointed with the flying body is reduced, the viscosity is reduced, the effect of reducing the flying resistance is achieved by matching with the rainy days, and the heat generated by the working of the, during overcast and rainy weather, because the reason of inside and outside difference in temperature, the camera lens that leads to the camera has fog easily, influences the quality of making a video recording, drives annular cover clockwise or counter-clockwise motion through manual stirring hand piece, and when annular cover counter-clockwise turning, during the annular rail was packed into to the annular cover for the hose realizes the exchange by the heat that part work produced and external temperature in the annular chamber, thereby the balanced difference in temperature avoids the production of fog.
Compared with the prior art, the invention has the following advantages:
1. the invention utilizes air resistance in the flying process to push the extension rod to retract into the machine body, thereby driving the L-shaped driving rod to push the sliding block to drive the driving rod to move, realizing the support of the movable plate, leading the heat generated by the work of internal devices to be dissipated outwards through the included angle port, reducing the temperature in the machine body, leading the temperature on the surface of the machine body to be reduced therewith, realizing the reduction of the viscosity of the air jointed with the machine body and achieving the effect of reducing the flying resistance.
2. According to the invention, the annular cover is manually controlled to move clockwise or anticlockwise, so that heat generated by the working of the components in the annular cavity is exchanged with the external temperature through the hose, the effect of balancing temperature difference is achieved, and fog on the lens is eliminated.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of the resistance reducing device applied to the rainy-day flight of the unmanned aerial vehicle.
Fig. 2 is a side sectional view of the whole structure of the resistance reducing device applied to the rainy flight of the unmanned aerial vehicle.
Fig. 3 is a schematic structural view of the closed state of the air viscosity reducing device of the resistance reducing device applied to the rainy-day flight of the unmanned aerial vehicle.
Fig. 4 is a schematic structural view of the working state of the air viscosity reducing device of the resistance reducing device applied to the rainy-day flight of the unmanned aerial vehicle.
Fig. 5 is a schematic structural view of the opening state of the defogging mechanism of the resistance reduction device applied to the rainy day flight of the unmanned aerial vehicle.
Fig. 6 is a schematic structural view of a demisting mechanism in a closed state of the resistance reducing device applied to the rainy day flight of the unmanned aerial vehicle.
In the figure, a propeller-1, a fuselage-2, an undercarriage-3, a camera-4, an anti-drag mechanism-5, an anti-shake cradle head-501, an air viscosity reduction device-502, a first cavity-503, a second cavity-504, a defogging mechanism-505, a lithium polymer battery-506, a first spring-5021, a first rail-5022, a second rail-5023, a driving rod-5024, a movable plate-5025, a fixed shaft-5026, a second spring-5027, an L-shaped driving rod-5028, a fixed plate-5029, an extension rod-50210, an annular cover-5051, a manual block-5052, a hose-5053, an annular cavity-5054, a fixed pipe-5055, a clamping groove-5056 and an annular rail-5057.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Examples
Referring to fig. 1-6, the invention provides a resistance reducing device applied to the rainy day flight of an unmanned aerial vehicle, which structurally comprises four propellers 1, a fuselage 2, an undercarriage 3, cameras 4 and a resistance reducing mechanism 5, wherein the four propellers 1 are respectively and mechanically connected with the fuselage 2, the undercarriage 3 is fixedly connected with the fuselage 2, the camera 4 is fixedly arranged in the south of the fuselage 2, the camera 4 is mechanically connected with the fuselage 2, and the resistance reducing mechanism 5 is arranged on the fuselage 2 and movably connected with the fuselage 2.
The drag reduction mechanism 5 comprises an anti-shake cradle head 501, an air viscosity reduction device 502, a first cavity 503, a second cavity 504, a defogging mechanism 505 and a lithium polymer battery 506, wherein the anti-shake cradle head 501 is arranged between the body 2 and the camera 4 and connects the body 2 with the camera 4, the first cavity 503 is a cavity enclosed by the inner wall of the body 2, the air viscosity reduction device 502 is arranged in the first cavity 503, the second cavity 504 is an inner cavity of the camera 4, the defogging mechanism 505 is arranged in the second cavity 504, and the lithium polymer battery 506 is fixedly arranged in the body 2.
The air viscosity reduction device 502 comprises a first spring 5021, a first rail 5022, a second rail 5023, a driving rod 5024, a movable plate 5025, a fixed shaft 5026, a second spring 5027, an L-shaped driving rod 5028, a fixed plate 5029 and an extension rod 50210, wherein the second rail 5023 and the first rail 5022 are vertically arranged, the first spring 5021 and the second spring 5027 are respectively arranged in the first rail 5022 and the second rail 5023, the first spring 5021 is fixedly connected with the fixed plate 5029, one end of the extension rod 50210 penetrates through the machine body 2, the other end of the extension rod 50210 is vertically welded with the fixed plate 5029, a slider is arranged in the second rail 5023, the second rail 5023 is in sliding fit with the slider, the fixed plate 5029 is connected with the slider via the L-shaped driving rod 5028, one end of the movable plate 5025 is penetrated through the fixed shaft 5026, the movable plate 5025 is connected with a mechanical slider via 5024, and the slider is connected with the second spring 5027, the end of the driving rod 5024 far away from the slider is fixed at the bottom of the end of the movable plate 5025 far away from the fixed shaft 5026, the setting of the driving rod 5024 can drive the fixed plate 5029 to change the state according to the movement of the extending rod 50210, and the setting of the first spring 5021 and the second spring 5027 can help the mechanism to reset.
The defogging mechanism 505 is composed of an annular cover 5051, a manual block 5052, a hose 5053, an annular cavity 5054, a fixed pipe 5055, a clamping groove 5056 and an annular rail 5057, the annular cover 5051 is installed in the annular rail 5057, the annular cover 5051 is in sliding fit with the annular rail 5057, the manual block 5052 is fixedly arranged on the annular cover 5051, the fixed pipe 5055 is communicated with the annular cavity 5054, the fixed pipe 5055 is connected with the hose 5053, the clamping groove 5056 is movably connected with the annular cover 5051, the annular cavity 5054 is communicated with the cavity II 504, the clamping groove 5056 is fixedly arranged on the east side of the annular cavity 5054, and the annular cover 5051 is matched with the annular rail 5057 to achieve opening or closing of the mechanism.
In rainy weather, because the air temperature is reduced, the viscosity of the air rises along with the temperature rise, so that the flight resistance of the unmanned aerial vehicle is increased, when the extension rod 50210 is pushed inwards by wind power, the first spring 5021 is contracted, the L-shaped driving rod 5028 pushes the slider to drive the driving rod 5024 to move and prop up the movable plate 5025 through the driving rod 5024, so that an included angle port is formed between the movable plate 5025 and the machine body 2, when the unmanned aerial vehicle flies, the heat generated by the work of an internal device is dissipated outwards through the included angle port, the temperature of the working environment in the machine body 2 is reduced, so that the temperature on the surface of the machine body 2 is indirectly reduced, the temperature of the air flow jointed with the machine body 2 is reduced, the viscosity is reduced, the effect of reducing the flight resistance is achieved by matching with the rainy weather, the heat generated by the work of the internal device can be dissipated, and in rainy weather, because, the lens of the camera is prone to fog, the quality of shooting is affected, the manual block 5052 is manually shifted to drive the annular cover 5051 to move clockwise or anticlockwise, when the annular cover 5051 rotates anticlockwise, the annular cover 5051 is retracted into the annular rail 5057, the hose 5053 enables heat generated by component work in the annular cavity 5054 to be exchanged with the external temperature, accordingly, temperature difference is balanced, and fog is avoided.
The invention solves the problem that when the unmanned aerial vehicle flies, the heat generated by the operation of internal equipment can influence the heat generated by the operation of the battery of the unmanned aerial vehicle, the two types of heat are converged, so that the temperature of the lithium polymer battery is greatly increased, the normal operation of the battery is influenced, in addition, because the working of internal devices of the unmanned aerial vehicle in the flying process of the unmanned aerial vehicle, the temperature of the external touch feeling of the unmanned aerial vehicle is gradually increased, when the unmanned aerial vehicle is in rainy days, because the surface temperature of the unmanned aerial vehicle is high, the air temperature of the joint part of the external air and the surface of the unmanned aerial vehicle is increased along with the increase of the resistance of the part of air, the flying resistance of the unmanned aerial vehicle is increased, under the same flying conditions, the flying working time in rainy days is longer, and in rainy days, the lens of a camera is easy to have fog, and the aerial photography quality, utilize the air resistance among the flight process to promote extension bar 50210 to retract in fuselage 2, thereby drive L type actuating lever promotion slider drives the actuating lever motion, realize that the fly leaf props up, make the heat that interior device work produced outwards give off under this contained angle mouth, through reducing the temperature in the fuselage 2, make the temperature on fuselage 2 surface reduce thereupon, realize reducing the viscosity of the air of laminating mutually with the fuselage, reach the effect that reduces flight resistance, through the clockwise or anticlockwise motion of manual control annular cover 5051, make in the annular chamber 5054 the heat that produces by part work pass through hose 5053 with the external temperature and realize exchanging, reach the effect of balanced difference in temperature, thereby eliminate the fog on the camera lens.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. Be applied to resistance reducing device of unmanned aerial vehicle rainy day flight, its structure includes screw (1), fuselage (2), undercarriage (3), camera (4), drag reduction mechanism (5), screw (1) be equipped with four and respectively with fuselage (2) mechanical connection, its characterized in that:
the landing gear (3) is fixedly connected with the machine body (2), a camera (4) is fixedly arranged on the machine body (2) in the upward direction, the camera (4) is mechanically connected with the machine body (2), and the force reducing mechanism (5) is arranged on the machine body (2) and movably connected with the machine body (2);
the resistance reducing mechanism (5) is composed of an anti-shake holder (501), an air viscosity reducing device (502), a first cavity (503), a second cavity (504), a demisting mechanism (505) and a lithium polymer battery (506), wherein the anti-shake holder (501) is arranged between the camera body (2) and the camera (4) and connects the camera body (2) and the camera (4), the first cavity (503) is a cavity formed by the inner wall of the camera body (2), the air viscosity reducing device (502) is arranged in the first cavity (503), the second cavity (504) is an inner cavity of the camera (4), the demisting mechanism (505) is arranged in the second cavity (504), and the lithium polymer battery (506) is fixedly arranged in the camera body (2);
the air viscosity reducing device (502) is composed of a first spring (5021), a first rail (5022), a second rail (5023), a driving rod (5024), a movable plate (5025), a fixed shaft (5026), a second spring (5027), an L-shaped driving rod (5028), a fixed plate (5029) and an extension rod (50210), the first spring (5021) is fixedly connected with a fixed plate (5029), one end of the extension rod (50210) penetrates through the machine body (2), the other end of the extension rod is perpendicularly welded with the fixed plate (5029), a sliding block is arranged in the second rail (5023), the second rail (5023) is in sliding fit with the sliding block, the fixed plate (5029) is connected with the slider through an L-shaped driving rod (5028), one end of the movable plate (5025) is penetrated through by a fixed shaft (5026), the movable plate (5025) is mechanically connected with a slider through a driving rod (5024), and the slider is connected with a second spring (5027).
2. The device of claim 1, wherein the device is adapted to reduce drag when the drone is flying in a rainy day: the defogging mechanism (505) is composed of an annular cover (5051), a manual block (5052), a hose (5053), an annular cavity (5054), a fixed pipe (5055), a clamping groove (5056) and an annular rail (5057), the annular cover (5051) is in sliding fit with the annular rail (5057), the manual block (5052) is fixedly arranged on the annular cover (5051), the fixed pipe (5055) is communicated with the annular cavity (5054), the fixed pipe (5055) is connected with the hose (5053), the clamping groove (5056) is movably connected with the annular cover (5051), and the annular cavity (5054) is communicated with a second cavity (504).
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| CN201810886413.2A CN109018389B (en) | 2018-08-06 | 2018-08-06 | Be applied to resistance reducing means of unmanned aerial vehicle rainy day flight |
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| CN109018389B true CN109018389B (en) | 2020-05-26 |
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| CN113371217B (en) * | 2021-08-11 | 2021-11-02 | 深圳市华芯机器人技术有限责任公司 | Unmanned aerial vehicle with anti-fog function based on remote patrol |
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| US9963246B2 (en) * | 2016-03-28 | 2018-05-08 | Amazon Technologies, Inc. | Combining depth and thermal information for object detection and avoidance |
| CN206107569U (en) * | 2016-09-26 | 2017-04-19 | 中国航空工业集团公司沈阳飞机设计研究所 | Unmanned aerial vehicle |
| CN206734649U (en) * | 2017-05-04 | 2017-12-12 | 杭州云柒贰零文化传媒有限公司 | A kind of VR with high stability takes photo by plane unmanned plane |
| CN207106876U (en) * | 2017-07-27 | 2018-03-16 | 河南大域航空科技有限公司 | A kind of rain-proof unmanned plane |
| CN108341064B (en) * | 2018-03-23 | 2024-06-04 | 中科灵动航空科技成都有限公司 | Rotor unmanned aerial vehicle |
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