CN110155351B - Unmanned aerial vehicle with air bag - Google Patents
Unmanned aerial vehicle with air bag Download PDFInfo
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- CN110155351B CN110155351B CN201910335202.4A CN201910335202A CN110155351B CN 110155351 B CN110155351 B CN 110155351B CN 201910335202 A CN201910335202 A CN 201910335202A CN 110155351 B CN110155351 B CN 110155351B
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- 230000001133 acceleration Effects 0.000 claims abstract description 15
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 230000008602 contraction Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000002269 spontaneous effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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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
- B64D17/00—Parachutes
- B64D17/62—Deployment
- B64D17/70—Deployment by springs
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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
- B64D45/04—Landing aids; Safety measures to prevent collision with earth's surface
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Abstract
The invention discloses an unmanned aerial vehicle with an air bag, which relates to the technical field of unmanned aerial vehicles and adopts the technical scheme that: the parachute ejection device comprises a body, a rotor wing and a connecting arm, wherein a parachute and an ejection device for ejecting the parachute are arranged in the body; the air bag comprises a main bag arranged at the outer bottom of the machine body, a branch bag arranged at the outer bottom of the connecting arm and an annular bag arranged on the outer wall of the air guide cylinder; a pressure gas tank and an acceleration sensor are arranged in the machine body, a gas outlet of the pressure gas tank is sequentially communicated with an electric control valve and a first gas pipe, and the first gas pipe is communicated with the inside of the airbag. When the unmanned aerial vehicle flies normally, the air bag is in a contraction state clinging to the outer wall of the unmanned aerial vehicle, and the air bag is not easy to increase the flight resistance of the unmanned aerial vehicle; when the unmanned aerial vehicle falls, the air bag can protect the unmanned aerial vehicle in an all-round way, wherein the protection capability on a rotor wing is excellent; this unmanned aerial vehicle expandes the efficiency of parachute is higher, can make the quick deceleration of unmanned aerial vehicle.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle with an air bag.
Background
Along with the development of scientific technology, unmanned aerial vehicle is more and more applied in the life, and present unmanned aerial vehicle is used for taking photo by plane, geography survey etc. more, and future unmanned aerial vehicle still will mature to realize sending functions such as express delivery, and unmanned aerial vehicle's development has greatly made things convenient for our production life.
The prior application publication No. CN108891608A of the invention discloses an unmanned aerial vehicle with a parachute device, which comprises a body, wherein supports are symmetrically arranged at the bottom of the body, mounting plates are fixedly connected between the supports, an air bag is arranged at the bottom of each mounting plate, an umbrella cabin is arranged above each mounting plate, a gas generator is arranged at the bottom end of each umbrella cabin, and one end of each gas generator is communicated with an air bag. According to the unmanned aerial vehicle landing acceleration sensor, the acceleration sensor and the gas generator are arranged, when the landing acceleration of the unmanned aerial vehicle exceeds a specified value, the acceleration sensor feeds information back to the gas generator, the movable plate is jacked up after the gas bag is inflated, the parachute is opened under the action of the push plate, the falling speed of the unmanned aerial vehicle can be slowed down, and the probability of damage to the unmanned aerial vehicle is reduced.
The above prior art solutions have the following drawbacks: the safety airbag arranged at the bottom of the unmanned aerial vehicle is used for reducing the impact on the unmanned aerial vehicle when the unmanned aerial vehicle falls to the ground, but the safety airbag is exposed out of the unmanned aerial vehicle, so that the surface of the safety airbag actively increases the resistance of the unmanned aerial vehicle when flying, and the wind resistance of the unmanned aerial vehicle can be reduced; in addition, current air bag is not good enough to the guard action of unmanned aerial vehicle rotor, causes the rotor to damage when unmanned aerial vehicle passes through the rotor and touches the wall easily.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the unmanned aerial vehicle with the air bag, wherein the air bag is in a contraction state during normal flight, the air bag is not easy to increase the flight resistance of the unmanned aerial vehicle, and the protection capability on a rotor wing is excellent during falling.
The technical purpose of the invention is realized by the following technical scheme: an unmanned aerial vehicle with an air bag comprises a body, wherein a plurality of rotary wings are circumferentially distributed on the outer edge of the body, the body and the rotary wings are connected through a connecting arm arranged between the body and the rotary wings, a parachute and an ejecting device used for ejecting the parachute are arranged in the body, an air duct is fixed on the connecting arm, and the rotary wings are rotatably arranged in the air duct;
the air bag comprises a main bag arranged at the outer bottom of the machine body, a branch bag arranged at the outer bottom of the connecting arm and an annular bag arranged on the outer wall of the air guide cylinder, inner cavities of the main bag, the branch bag and the annular bag are communicated with each other, and the air bag and the machine body are fixed through an adhesive tape adhered between the air bag and the machine body;
a pressure gas tank and an acceleration sensor are arranged in the machine body, a gas outlet of the pressure gas tank is sequentially communicated with an electric control valve and a first gas pipe, and the first gas pipe is communicated with the inside of the airbag; the acceleration sensor is used for controlling the opening of the electric control valve.
Through above-mentioned technical scheme, this unmanned aerial vehicle is at the flight in-process, and the gasbag is in the contraction state and hugs closely unmanned aerial vehicle's outer wall, and the gasbag is difficult to increase extra resistance to unmanned aerial vehicle's flight. If the electric quantity of the storage battery is exhausted or the unmanned aerial vehicle flies out of the remote control distance, the unmanned aerial vehicle loses power and starts to do free-fall movement, the acceleration sensor controls the electric control valve to be opened after detecting the state, compressed air in the pressure air tank expands outwards due to air pressure difference, and meanwhile the popping device acts to pop up the parachute. Compressed air enters the air bag through the first air pipe, and after the air bag is inflated and expanded, the main bag not only protrudes downwards out of the machine body, but also plays a role in protecting the bottom of the machine body against impact. The expanded branch sac can play a role in protecting the bottom of the connecting arm against impact. The air guide cylinder can protect the rotary wing at a first layer, the expanded annular bag can protect the outer wall of the air guide cylinder, and the annular bag is used for replacing collision between the air guide cylinder and the wall; the annular bag plays the second layer protection to the rotor, and the annular bag has greatly reduced the probability that guide duct, rotor damaged.
Preferably, the outer bottom of the machine body is provided with a first ring groove, the first ring groove penetrates through the outer side wall of the machine body, and the main bag is annular and is positioned in the first ring groove; an embedded groove for mounting the supporting bag is formed in the outer bottom wall of the connecting arm, and a second annular groove for mounting the annular bag is formed in the outer wall of the air guide cylinder.
Through above-mentioned technical scheme, when the gasbag was in the contraction state, each part of gasbag was located each inslot, and the disguise of gasbag is good, and its mounted position is difficult for spontaneous leaving by the gasbag after the shrink, and the gasbag after the shrink is also difficult to increase extra resistance to unmanned aerial vehicle's flight.
Preferably, a through hole is formed between the connecting arm and the air duct, the through hole penetrates through the connecting arm in the vertical direction, and the air bag penetrates through the through hole.
Through above-mentioned technical scheme, through the conducting hole, the branch bag can communicate with annular bag covertly, and the use of unmanned aerial vehicle is difficult for influencing by both's intercommunication part.
Preferably, the top of the machine body is provided with a top plate, an umbrella cover of the parachute is fixed on the top plate, and the top plate is provided with a clamping hook facing the machine body; the ejection device comprises a locking part arranged on the machine body in a sliding manner and a spring applying pretightening force to the locking part, and the elastic force of the spring drives the locking part to be clamped with the clamping hook so that the top plate is fixed on the machine body; the air pipe is communicated with a second air pipe, the popping device further comprises a sleeve and a plunger slidably arranged in the sleeve, and the second air pipe is communicated with the interior of the sleeve; the plunger can move along with the increase of air pressure in the air pipe II and drives the locking part to move to unlock the hook.
Through above-mentioned technical scheme, the elasticity of spring orders about the sticking department and the reliable joint of pothook, and the sticking department is difficult for spontaneous separation from the pothook. When the electric control valve is opened, the air pressure in the air pipe II is increased, the air pressure drives the plunger to move towards the direction of the locking part, and the plunger pushes the locking part to move to release the locking of the hook, so that the top plate and the machine body are separated to release the parachute.
Preferably, the top plate is provided with a plurality of along the circumference of organism top surface, the quantity of parachute also is four and with the top plate one-to-one.
Through above-mentioned technical scheme, a plurality of parachutes can provide more steady speed reduction effect, and when one of them parachute accident became invalid, all the other parachutes still can play the effect for unmanned aerial vehicle deceleration.
Preferably, the plate surface of the top plate is inclined upward, and the inclination direction is inclined in a direction in which the top plates are away from each other.
Through above-mentioned technical scheme, when roof and organism separation, the orbit when four roofs of mutual slope pop out is gradually drawn together the form, and the roof can order about the parachute more reliably and expand and improve the air resistance of parachute instantaneous production, improves the deceleration effect to unmanned aerial vehicle.
Preferably, the machine body is provided with an elastic sheet corresponding to each top plate, the elastic sheets are tightly abutted to the top plates through elastic force, and the elastic direction of the elastic sheets is the direction for driving the top plates to be away from the machine body upwards.
Through the technical scheme, after the ejector device acts to unlock the top plate, the top plate is ejected upwards at a certain initial speed under the action of the elastic force of the elastic sheet, so that the unfolding speed of the parachute is improved.
Preferably, the machine body comprises supports located at the top, mounting openings for placing the top plate are formed between the supports, two ends of each elastic sheet are respectively fixed on two opposite opening walls of the mounting openings, and the elastic sheets are bent in an arc shape towards the top plate.
Through above-mentioned technical scheme, the steadiness of flexure strip installation is good, and the flexure strip can contact with the middle part of roof, and the reliability that the flexure strip ordered about the roof and popped out is high.
Preferably, the number of the elastic pieces in each mounting opening is two and parallel to each other, a connecting piece is fixedly connected between the two elastic pieces, and the rope end of the parachute is fixed on the connecting piece.
Through above-mentioned technical scheme, install the roof in the installing port after, the parachute is pressed from both sides tightly between flexure strip and roof, and the H shape structure that flexure strip and connection piece combination formed can reliably block the parachute, can prevent to a great extent that the parachute from getting into bottom influence electric elements in the organism. The connecting sheet can be just in time positioned at the center of the mounting opening, so that the tension of the parachute to the machine body is uniform after the parachute is unfolded.
In summary, compared with the prior art, the beneficial effects of the invention are as follows:
1. when the unmanned aerial vehicle flies normally, the air bag is in a contraction state clinging to the outer wall of the unmanned aerial vehicle, and the air bag is not easy to increase the flight resistance of the unmanned aerial vehicle;
2. when the unmanned aerial vehicle falls, the air bag can protect the unmanned aerial vehicle in an all-round way, wherein the protection capability on a rotor wing is excellent;
3. this unmanned aerial vehicle expandes the efficiency of parachute is higher, can make the quick deceleration of unmanned aerial vehicle.
Drawings
Fig. 1 is a first perspective view of an unmanned aerial vehicle with an airbag according to an embodiment;
fig. 2 is a partial exploded view of an unmanned aerial vehicle with an airbag according to an embodiment;
FIG. 3 is a second perspective view of the unmanned aerial vehicle with an airbag according to the embodiment;
FIG. 4 is an exemplary illustration of an airbag of an embodiment;
FIG. 5 is an enlarged view of FIG. 2 at A;
FIG. 6 is an enlarged view of FIG. 2 at B;
fig. 7 is a schematic diagram of the unmanned aerial vehicle after the airbag is expanded and the parachute is deployed.
In the figure, 1, a machine body; 2. a connecting arm; 3. an air duct; 31. a rotor; 4. a pressure gas tank; 10. an acceleration sensor; 41. an electrically controlled valve; 42. a first trachea; 5. an air bag; 51. a main bag; 52. a branch sac; 53. an annular bladder; 11. a first ring groove; 21. caulking grooves; 32. a second ring groove; 22. a via hole; 12. a support; 121. an installation port; 13. a top plate; 131. a hook; 6. a parachute; 7. an ejection device; 14. an elastic sheet; 141. connecting sheets; 71. a locking portion; 72. a spring; 15. a chute; 73. a sleeve; 74. a plunger; 43. and a second trachea.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the unmanned aerial vehicle with the air bag disclosed by the invention comprises a body 1, four connecting arms 2 are distributed on the outer side wall of the body 1 along the circumferential direction, air ducts 3 are fixed at the end parts of the connecting arms 2 departing from the body 1, the axis of the air ducts 3 is vertical, a rotor 31 is rotatably arranged in each air duct 3, the air ducts 3 are also used for protecting the rotor 31, and the rotor 31 is driven to rotate by a storage battery arranged in the body 1.
Referring to fig. 2 and 3, a pressure gas tank 4 and an acceleration sensor 10 are arranged in the machine body 1, and a gas outlet of the pressure gas tank 4 is sequentially communicated with an electric control valve 41 and a first gas pipe 42; the outer bottom of the body 1 is provided with an air bag 5, and the first air pipe 42 passes through the bottom wall of the body 1 and then is communicated with the air bag 5. The pressure air tank 4 is filled with compressed air, the electric control valve 41 is in a normally closed state, the electric control valve 41 cuts off the gas discharge in the pressure air tank 4, the acceleration sensor 10 is electrically connected with the electric control valve 41 through a circuit and a control system, and the acceleration sensor 10 is used for controlling the opening of the electric control valve 41.
Referring to fig. 3 and 4, the air bag 5 includes a main bag 51 located at the outer bottom of the body 1, a branch bag 52 located at the outer bottom of the connecting arm 2, and an annular bag 53 located at the outer wall of the air duct 3, and the inner cavities of the main bag 51, the branch bag 52, and the annular bag 53 are communicated with each other. Normally, the air bag 5 is in an uninflated contraction state, the air bag 5 is fixed with the machine body 1, the connecting arm 2 and the air duct 3 through adhesive tapes pasted between the air bag and the machine body, the adhesive tapes are long-strip-shaped and narrow in width, and the length direction of the adhesive tapes is along the extension direction of the air bag 5.
The outer bottom of the machine body 1 is provided with a rectangular first ring groove 11, the first ring groove 11 penetrates through the outer side wall of the machine body 1, the main bag 51 is in a square ring shape and is located in the first ring groove 11, and the contracted cross section of the main bag 51 is in an L shape and is tightly attached to the groove walls on two sides of the first ring groove 11. The outer bottom wall of the connecting arm 2 is provided with an embedded groove 21 for installing the supporting bag 52, and the outer wall of the air guide cylinder 3 is provided with a second annular groove 32 for installing the annular bag 53. When then gasbag 5 was in the shrink state, each part of gasbag 5 was located each inslot, and the concealment of gasbag 5 is good, and gasbag 5 after the shrink is difficult for spontaneous leaving its mounted position, and gasbag 5 after the shrink is difficult also increases extra resistance to unmanned aerial vehicle's flight. A through hole 22 is formed between the connecting arm 2 and the air duct 3, the through hole 22 penetrates through the connecting arm 2 along the vertical direction, and the communicating part of the air bag 5 between the branch bag 52 and the annular bag 53 penetrates through the through hole 22; through the through hole 22, the branch bag 52 can be communicated with the annular bag 53 in a concealed mode, and the communication part of the branch bag and the annular bag is not prone to influencing the use of the unmanned aerial vehicle.
Referring to fig. 2, the machine body 1 includes a support 12 at the top, the support 12 is cross-shaped, and the support 12 has a structure with a high center and a low periphery. Four mounting holes 121 are formed among the brackets 12, the four mounting holes 121 are distributed along the circumferential direction of the top surface of the machine body 1, a top plate 13 is mounted in each mounting hole 121, the top plate 13 is made of light plastic and is thinner, and the top plate 13 is matched with the brackets 12 to seal the top of the machine body 1; after the top plate 13 is mounted on the bracket 12, the plate surface of the top plate 13 is inclined upward, and the inclination direction is inclined in a direction in which the top plates 13 are separated from each other.
Referring to fig. 2 and 5, hooks 131 are fixed on the surface of the top plate 13 facing the machine body 1, and the number of hooks 131 of each top plate 13 is four and are respectively located at positions close to four corners of the top plate 13. Each top plate 13 is provided with a parachute 6, the machine body 1 is provided with an ejection device 7 for clamping the hook 131, and the ejection device 7 can release the locking of the hook 131 through action, so that the top plate 13 leaves the machine body 1 to unfold the parachute 6.
The machine body 1 is provided with two elastic pieces 14 corresponding to each top plate 13, the elastic pieces 14 are located in the corresponding mounting openings 121, the number of the elastic pieces 14 in each mounting opening 121 is two and is parallel to each other, two ends of each elastic piece 14 are respectively fixed on two opposite opening walls of the mounting opening 121, and the elastic pieces 14 are curved in an arc shape towards the direction of the top plate 13. After the person installs the top plate 13 in the installation opening 121, the pop-up device 7 and the hook 131 are locked to limit the spontaneous departure of the top plate 13 from the machine body 1, the elastic piece 14 is pressed against the middle part of the top plate 13 through the middle part, and the elastic piece 14 is preset with an elastic force for popping up the top plate 13.
A connecting piece 141 is fixedly connected between the two elastic pieces 14, and the rope end of the parachute 6 is fixed on the connecting piece 141. On 6 parachute's the umbrella face was fixed in roof 13, 6 parachute's umbrella face area was greater than 13 roof's face area, and 6 parachute's umbrella face is fixed through glue and roof 13. After the top plate 13 is installed in the installation opening 121, the parachute 6 is clamped between the elastic sheet 14 and the top plate 13, the H-shaped structure formed by the combination of the elastic sheet 14 and the connecting sheet 141 can reliably block the parachute 6, and the parachute 6 can be prevented from entering the bottom in the machine body 1 to a great extent to influence electric elements. The connecting piece 141 can be right positioned at the center of the mounting opening 121, so that the pulling force of the parachute 6 on the machine body 1 is uniform after the parachute 6 is unfolded.
Referring to fig. 2 and 6, the number and positions of the ejecting devices 7 correspond to those of the hooks 131 one by one, and the ejecting devices 7 include locking portions 71 slidably disposed on the machine body 1 and springs 72 applying a pre-tightening force to the locking portions 71, where the locking portions 71 are configured to form a snap-fit with the hooks 131. The body 1 is provided with a sliding slot 15 for the locking part 71 to slide, the elastic direction of the spring 72 is the same as the sliding direction of the locking part 71, the elastic force of the spring 72 drives the locking part 71 to be reliably clamped with the hook 131, and the locking part 71 is not easy to be separated from the hook 131 spontaneously.
The ejecting device 7 further comprises a sleeve 73 fixed on the bracket 12 and a plunger 74 slidably arranged in the sleeve 73, the length direction of the sleeve 73 and the plunger 74 is the same as the sliding direction of the locking part 71, and the plunger 74 abuts against the end part of the locking part 71, which is far away from the spring 72. The plunger 74 and the sleeve 73 have extremely high matching precision, and sliding sealing can be realized between the plunger 74 and the sleeve 73. The first air pipe 42 is communicated with a second air pipe 43, and the second air pipe 43 is communicated with the insides of the sleeves 73 in a branch pipe mode; when the air pressure in the air pipe 43 increases, the air pressure drives the plunger 74 to move towards the locking part 71, the plunger 74 pushes the locking part 71 to move, the locking of the hook 131 is released, and the top plate 13 is ejected. The spring 72 may be of a type having a relatively low spring rate to ensure that the force urging the plunger 74 to move is greater than the spring force of the spring 72.
In the flying process of the unmanned aerial vehicle, if the electric quantity of the storage battery is exhausted or the unmanned aerial vehicle flies out of the remote control distance, the unmanned aerial vehicle loses power and starts to move in a free falling body mode, the acceleration sensor 10 controls the electric control valve 41 to be opened after detecting the state, and then compressed air in the pressure air tank 4 expands outwards due to air pressure difference.
Referring to fig. 7, a part of the compressed air enters the air bag 5 through the first air pipe 42, after the air bag 5 is inflated and expanded, the main bag 51 protrudes out of the bottom wall of the body 1, and also protrudes out of the side wall of the body 1 along the horizontal direction, when the body 1 lands on the ground obliquely, the main bag 51 can also play a good role in protecting the bottom corners of the body 1, and the body 1 is prevented from being damaged. The inflated stent 52 provides impact protection to the bottom of the linking arm 2. The air duct 3 can protect the rotor 31 at a first layer, the expanded annular bag 53 can protect the outer wall of the air duct 3, and the annular bag 53 can replace collision between the air duct 3 and the wall; annular bag 53 plays the second layer protection to rotor 31, and annular bag 53 has greatly reduced the probability that air duct 3, rotor 31 damaged.
The other part of the compressed air enters each sleeve 73 through the second air pipe 43 to drive the ejecting device 7 to act and release the locking of the top plate 13, and the top plate 13 is ejected upwards at a certain initial speed under the action of the elastic force of the elastic piece 14. Roof 13 and organism 1 separation back, roof 13 receives the air resistance effect, and the falling speed of roof 13 descends rapidly, makes roof 13 pull open rapidly with organism 1's distance, and roof 13 orders about 6 high-speed expansions of parachute at this in-process, makes the quick deceleration of unmanned aerial vehicle. And the track when four roof 13 that incline each other pop out is gradually drawn together form, and roof 13 can drive parachute 6 more reliably and expand and improve the air resistance of 6 instantaneous productions of parachute, improves the deceleration effect to unmanned aerial vehicle. When the unmanned aerial vehicle falls at the uniform speed, the light top plate 13 is not easy to obviously influence the speed reduction function of the parachute 6.
Personnel can make this unmanned aerial vehicle reconversion through changing pressure gas pitcher 4, bleeding air to gasbag 5 and make its shrink, pack back parachute 6 and make the mode between roof 13 and the flexure strip 14, and the function of recovering gasbag 5, parachute 6 makes its can used repeatedly.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a take unmanned aerial vehicle of gasbag, includes organism (1), organism (1) outer edge circumference distributes has a plurality of rotors (31), organism (1) and rotor (31) are connected through setting up linking arm (2) between the two, be equipped with parachute (6) in organism (1), be used for popping out device (7) of parachute (6), characterized by: an air duct (3) is fixed on the connecting arm (2), and the rotor wing (31) is rotatably arranged in the air duct (3);
the air bag (5) comprises a main bag (51) arranged at the outer bottom of the machine body (1), a branch bag (52) arranged at the outer bottom of the connecting arm (2) and an annular bag (53) arranged on the outer wall of the air guide cylinder (3), inner cavities of the main bag (51), the branch bag (52) and the annular bag (53) are communicated with each other, and the air bag (5) and the machine body (1) are fixed through adhesive tapes adhered between the air bag and the machine body;
a pressure gas tank (4) and an acceleration sensor (10) are arranged in the machine body (1), a gas outlet of the pressure gas tank (4) is sequentially communicated with an electric control valve (41) and a first gas pipe (42), and the first gas pipe (42) is communicated with the inside of the air bag (5); the acceleration sensor (10) is used for controlling the opening of the electric control valve (41);
a top plate (13) is arranged at the top of the machine body (1), an umbrella cover of the parachute (6) is fixed on the top plate (13), and a clamping hook (131) is arranged on one surface, facing the machine body (1), of the top plate (13); the ejection device (7) comprises a locking part (71) arranged on the machine body (1) in a sliding mode and a spring (72) applying pretightening force to the locking part (71), and the locking part (71) is driven to be clamped with the clamping hook (131) through the elastic force of the spring (72) so that the top plate (13) is fixed on the machine body (1); the first air pipe (42) is communicated with a second air pipe (43), the ejecting device (7) further comprises a sleeve (73) and a plunger (74) which is arranged in the sleeve (73) in a sliding mode, and the second air pipe (43) is communicated with the interior of the sleeve (73); the plunger (74) can move along with the increase of the air pressure in the second air pipe (43) and drives the locking part (71) to move to release the locking of the hook (131).
2. The unmanned aerial vehicle with the airbag as claimed in claim 1, wherein: the outer bottom of the machine body (1) is provided with a first annular groove (11), the first annular groove (11) penetrates through the outer side wall of the machine body (1), and the main bag (51) is annular and is positioned in the first annular groove (11); the outer bottom wall of the connecting arm (2) is provided with an embedded groove (21) for mounting the supporting bag (52), and the outer wall of the air guide cylinder (3) is provided with a second annular groove (32) for mounting the annular bag (53).
3. The unmanned aerial vehicle with the airbag as claimed in claim 2, wherein: a through hole (22) is formed between the connecting arm (2) and the air duct (3), the through hole (22) penetrates through the connecting arm (2) in the vertical direction, and the air bag (5) penetrates through the through hole (22).
4. The unmanned aerial vehicle with the airbag as claimed in claim 1, wherein: roof (13) are provided with a plurality ofly along the circumference of organism (1) top surface, parachute (6) quantity also be a plurality ofly and with roof (13) one-to-one.
5. The unmanned aerial vehicle with the airbag as claimed in claim 4, wherein: the plate surface of the top plate (13) is inclined upwards, and the inclined direction of the top plate (13) is inclined towards the direction of mutual deviation of the top plate (13).
6. The unmanned aerial vehicle with the airbag as claimed in claim 4, wherein: the machine body (1) is provided with elastic pieces (14) corresponding to each top plate (13), the elastic pieces (14) are tightly abutted to the top plates (13) through elastic force, and the elastic direction of the elastic pieces (14) is the direction for driving the top plates (13) to be away from the machine body (1) upwards.
7. The unmanned aerial vehicle with the airbag as claimed in claim 6, wherein: the machine body (1) comprises supports (12) located at the top, mounting openings (121) for placing the top plates (13) are formed between the supports (12), two ends of each elastic sheet (14) are fixed on two opposite opening walls of the mounting openings (121) respectively, and the elastic sheets (14) are bent in an arc shape towards the top plates (13).
8. The unmanned aerial vehicle with the airbag as claimed in claim 7, wherein: every elastic sheet (14) quantity in installing port (121) is two and parallel to each other, two connect between elastic sheet (14) and be fixed with connection piece (141), the rope end of parachute (6) is fixed in on connection piece (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910335202.4A CN110155351B (en) | 2019-04-24 | 2019-04-24 | Unmanned aerial vehicle with air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910335202.4A CN110155351B (en) | 2019-04-24 | 2019-04-24 | Unmanned aerial vehicle with air bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110155351A CN110155351A (en) | 2019-08-23 |
| CN110155351B true CN110155351B (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910335202.4A Active CN110155351B (en) | 2019-04-24 | 2019-04-24 | Unmanned aerial vehicle with air bag |
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| CN112550729B (en) * | 2021-02-23 | 2021-05-11 | 成都飞航智云科技有限公司 | Aircraft with pneumatic appearance is impaired later to prevent weighing down function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204210736U (en) * | 2014-10-22 | 2015-03-18 | 襄阳宏伟航空器有限责任公司 | Parachute fast open umbrella device |
| KR20170017365A (en) * | 2015-08-06 | 2017-02-15 | 장성훈 | Air Bag of Drone or Quad Cop for safe Landing |
| JP6217054B1 (en) * | 2016-11-04 | 2017-10-25 | 株式会社松屋アールアンドディ | Drone with airbag |
| CN206615390U (en) * | 2017-04-07 | 2017-11-07 | 南京信息工程大学 | A kind of unmanned plane falls over into water sink preventing apparatus |
| CN107571993A (en) * | 2017-10-10 | 2018-01-12 | 金陵科技学院 | A kind of low latitude garbage reclamation aircraft |
| CN207712289U (en) * | 2017-12-29 | 2018-08-10 | 郑州康晓科技有限公司 | A kind of air bag applied to unmanned plane |
| CN108100265B (en) * | 2018-01-17 | 2021-01-01 | 安徽中骄智能科技有限公司 | Take parachute-type unmanned aerial vehicle |
| CN109292081A (en) * | 2018-10-24 | 2019-02-01 | 赖令波 | A kind of protective device applied to marine unmanned plane of taking photo by plane |
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2019
- 2019-04-24 CN CN201910335202.4A patent/CN110155351B/en active Active
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