CN112550700A - Marine anti-overturning system for water unmanned aerial vehicle - Google Patents
Marine anti-overturning system for water unmanned aerial vehicle Download PDFInfo
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- CN112550700A CN112550700A CN202011549564.2A CN202011549564A CN112550700A CN 112550700 A CN112550700 A CN 112550700A CN 202011549564 A CN202011549564 A CN 202011549564A CN 112550700 A CN112550700 A CN 112550700A
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- unmanned aerial
- aerial vehicle
- reagent storage
- storage cylinder
- gas generating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C35/00—Flying-boats; Seaplanes
- B64C35/001—Flying-boats; Seaplanes with means for increasing stability on the water
Abstract
The invention discloses an offshore anti-overturning system of an unmanned aerial vehicle on water, which relates to the technical field of unmanned aerial vehicles on water, and is characterized in that side air bags are respectively arranged on four side surfaces of a body, gas generating structures are arranged on four corners of the body, under the condition of large sea waves, seawater submerges the gas generating structures more deeply, so that a plurality of floating balls generate buoyancy simultaneously, the buoyancy of the floating balls can push a sealing block to move upwards, two closed spaces are punctured by stabbing bulges simultaneously to enable two reactants to be contacted, the reactants are in chemical reaction and generate gas after being contacted, the generated gas enters the side air bags through pipelines to enable the side air bags to expand towards the periphery, the side air bags expanding towards the periphery can increase the contact area between the unmanned aerial vehicle and the sea surface, reduce the gravity center of the unmanned aerial vehicle and improve the buoyancy of the unmanned aerial vehicle, so that the unmanned aerial vehicle can stably land to the sea surface and can, can effectively prevent unmanned aerial vehicle upset, protect unmanned aerial vehicle to avoid damaging better.
Description
Technical Field
The invention relates to the technical field of water unmanned aerial vehicles, in particular to a marine anti-overturning system for a water unmanned aerial vehicle.
Background
The pilotless airplane is an unmanned airplane which is operated by radio remote control and remote measuring equipment and a self-contained program control device. The aircraft is provided with a navigation flight control system, a program control device, a power supply and other equipment. The personnel of the ground remote control and telemetry station can track, position, remotely control and telemeter the personnel and transmit real-time data through the data chain and other equipment. Compared with a manned aircraft, the unmanned aerial vehicle has the characteristics of being suitable for various flight environment requirements, can especially bear the long-endurance flight or high-risk flight beyond the reach of manpower, has high flight line and attitude control precision, and can be widely used in the fields of aerial remote sensing, meteorological research, agricultural aerial seeding, pest control, emergency rescue, disaster relief, video shooting and the like; the method has special advantages in war, and can be widely applied to aerial investigation, monitoring, communication, anti-diving, electronic interference, weapon striking and the like.
Unmanned aerial vehicle on water is the unmanned aerial vehicle that can dwell and take off and land on the surface of water, and based on this special function, unmanned aerial vehicle on water is compared with conventional unmanned aerial vehicle take off and land in the aspect of the civil affairs and military affairs by the wide application, receives surface of water flow direction, surface of water barrier, hides influences such as barrier under water great. Especially, an unmanned aerial vehicle landing on the sea surface is greatly influenced by sea surges, and if the unmanned aerial vehicle lands forcibly, the unmanned aerial vehicle is very easy to overturn, so that the unmanned aerial vehicle is damaged or falls into the sea to cause accident and unnecessary loss.
Disclosure of Invention
In view of this, the invention aims to provide an offshore anti-overturning system for an overwater unmanned aerial vehicle, so that the unmanned aerial vehicle can stably land on the sea surface under the condition of a large sea wave, and the unmanned aerial vehicle is prevented from overturning, so that the unmanned aerial vehicle is better protected from being damaged.
The invention solves the technical problems by the following technical means:
an offshore anti-overturning system of an overwater unmanned aerial vehicle comprises a body, and a horn and a propeller thruster which are symmetrically arranged on two sides of the upper part of the body, wherein the propeller thruster is arranged at one end of the horn, which is far away from the body, two support frames are respectively arranged in parallel in the middle parts of two sides of the body, one end of each support frame, which is far away from the body, is provided with a support disc, the bottom of the body is provided with a floating body, four side surfaces of the body are respectively provided with a side airbag, four corners of the body are provided with gas generating structures, and the side airbags are; the gas generating structure comprises an upper buoy, a gas generating cylinder and a reagent storage cylinder, the upper buoy, the gas generating cylinder and the reagent storage cylinder are sequentially connected into a whole from bottom to top, the upper buoy is of a net structure, a plurality of floating balls are stacked in the upper buoy, a sealing block is arranged in the gas generating cylinder and is positioned at the lower part of the generating cylinder, a plurality of stabs are arranged at the upper end of the sealing block, two reactants which are mutually separated are contained in the reagent storage cylinder, the two reactants can generate chemical reaction and generate gas after contacting, two closed spaces are respectively arranged at two sides in the reagent storage cylinder, the two reactants are respectively contained in the two closed spaces, the side air bags are communicated with the central position at the top of the reagent storage cylinder through pipelines one by one, when the water level submerges the upper buoy, the buoyancy of the floating balls can push the sealing block to move upwards, and the two sealing spaces are punctured simultaneously through the puncturing protrusions to enable the two reactants to be in contact.
Through designing the gas generating structure, under the great condition of sea wave, the sea water is darker to submerging of gas generating structure, and then make a plurality of floaters produce buoyancy simultaneously, the buoyancy of a plurality of floaters can promote sealed piece rebound, and impale two kinds of reactant contact between two airtight spaces simultaneously through stinging protruding, take place chemical reaction and produce gas after the reactant contact, the gas of production gets into the side gasbag through the pipeline and makes the side gasbag to expand all around, the side gasbag to expanding all around can increase the area of contact of unmanned aerial vehicle and sea, reduce unmanned aerial vehicle's focus, can improve unmanned aerial vehicle's buoyancy again, make unmanned aerial vehicle can steadily descend on the sea, prevent the unmanned aerial vehicle upset, can protect unmanned aerial vehicle to avoid damaging better.
Furthermore, the periphery of the side air bag is provided with an elastic net bag-shaped structure, the opening end of the elastic net bag-shaped structure is fixed on the machine body, and when the side air bag is in an inflated state, the elastic net bag-shaped structure is in a stretched state. When the side air bag is inflated, the elastic net bag-shaped structure can better accommodate the side air bag, so that the volume of the side air bag is reduced, and further the flight resistance of the unmanned aerial vehicle is reduced; when the side air bag is in an inflated state, the elastic net bag-shaped structure applies the pulling force to the side air bag, so that the interaction force between the side air bag and the machine body is reduced, and the side air bag is prevented from falling off.
Furthermore, the bottom of the sealing block is provided with a hemispherical groove with the radius slightly larger than that of the floating ball, and a through hole for communicating the upper floating barrel and the gas generating barrel is arranged in the hemispherical groove. The hemispherical groove is internally provided with a through hole for communicating the upper floating cylinder and the gas generating cylinder, so that gas in the side air bag can be automatically exhausted after sea waves are reduced or the unmanned aerial vehicle leaves the sea; and under the condition of large waves, the floating ball can be in close contact with the hemispherical groove under the action of buoyancy, so that the through hole is sealed, and gas leakage is prevented.
Furthermore, the plurality of thorns are all of a triangular knife-shaped structure. The openings pierced by the triangular knife-shaped structures can enable two reactants to be discharged and mixed from two closed spaces quickly, and the gas generation efficiency is improved.
Furthermore, the upper buoy, the gas generation cylinder and the reagent storage cylinder are connected through threads. The threaded connection is convenient for the installation and the disassembly of the gas generating structure, and is beneficial to the maintenance of the gas generating structure and the replacement of two reactants.
Furthermore, the sealed space in the reagent storage cylinder is a non-elastic bag-shaped structure, and the non-elastic bag-shaped structure is fixed on the top of the reagent storage cylinder in an adhesion mode. The inelastic bag-shaped structure is more beneficial to piercing, and the inelastic bag-shaped structure is bonded to the top of the reagent storage cylinder, so that the installation of the gas generation structure is more convenient, and the inelastic bag-shaped structure can be prevented from blocking a channel for gas to be added into the side airbag under the impact of gas.
Furthermore, the two sides of the inner top of the reagent storage cylinder are respectively provided with an inclined boss which inclines from the middle part of the reagent storage cylinder to one side, and the non-elastic bag-shaped structure is fixed on the inclined plane of the inclined boss. The inclined bosses enable the non-elastic bag-like structure to move to both sides of the reagent storage cylinder under the impact of gas, and further prevent the non-elastic bag-like structure from blocking the passage of the gas-feeding side airbag.
Further, the two reactants were NaHCO3 solution and hydrochloric acid solution, respectively. The NaHCO3 solution and the hydrochloric acid solution are used as reactants, so that firstly, the reaction rate is high, the product after the reaction does not pollute the environment, and secondly, the solution is more favorable for being discharged from the non-elastic bag-shaped structure, so that the two reactions can be fully mixed and reacted.
The invention has the beneficial effects that: according to the invention, by designing the gas generating structure, under the condition of a large sea wave, seawater submerges the gas generating structure deeper, so that the floating balls can generate buoyancy simultaneously, the buoyancy of the floating balls can push the sealing blocks to move upwards, the two sealed spaces are punctured simultaneously by the puncturing protrusions to enable the two sealed spaces to be in contact, chemical reaction is generated after the reactants are in contact, gas is generated, the generated gas enters the side air bags through the pipelines to enable the side air bags to expand towards the periphery, the side air bags expanding towards the periphery can increase the contact area of the unmanned aerial vehicle and the sea surface, the gravity center of the unmanned aerial vehicle is reduced, the buoyancy of the unmanned aerial vehicle can be improved, the unmanned aerial vehicle can stably land on the sea surface, and can stably float on the sea surface, the unmanned aerial vehicle can be effectively prevented from overturning, and the unmanned aerial.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of a gas generating structure of the present invention;
the device comprises a machine body 1, a machine arm 2, a propeller 3, a support frame 4, a support plate 5, a floating body 6, a side air bag 7, a gas generating structure 8, an upper floating pontoon 81, a gas generating barrel 82, a reagent storage barrel 83, a floating ball 9, a sealing block 10, a thorn protrusion 11, a closed space 12, an elastic net bag-shaped structure 13, a hemispherical groove 14, a through hole 15 and an inclined boss 16.
Detailed Description
The present invention will be described in detail with reference to examples below:
as shown in fig. 1 to 3
An offshore anti-overturning system of an overwater unmanned aerial vehicle comprises a body 1, and a horn 2 and a propeller thruster 3 which are symmetrically arranged on two sides of the upper part of the body 1, wherein the propeller thruster 3 is arranged on one end of the horn 2 far away from the body 1, the middle parts of two sides of the body 1 are respectively provided with two support frames 4 in parallel, one end of each support frame 4 far away from the body 1 is provided with a support plate 5, the bottom of the body 1 is provided with a floating body 6, four side surfaces of the body 1 are respectively provided with a side airbag 7, four corners of the body 1 are provided with gas generating structures 8, and the side airbags 7 are communicated with the gas generating structures 8; the gas generating structure 8 comprises an upper floating cylinder 81, a gas generating cylinder 82 and a reagent storage cylinder 83, the upper floating cylinder 81, the gas generating cylinder 82 and the reagent storage cylinder 83 are sequentially connected into a whole from bottom to top, the upper floating cylinder 81 is of a net structure, a plurality of floating balls 9 are stacked in the upper floating cylinder 81, a sealing block 10 is arranged in the gas generating cylinder 82, the sealing block 10 is positioned at the lower part of the generating cylinder 82, a plurality of stabs 11 are arranged at the upper end of the sealing block 10, two reactants which are mutually separated are contained in the reagent storage cylinder 83, after the two reactants are contacted, chemical reaction can be carried out and gas can be generated, a closed space 12 is respectively arranged at two sides in the reagent storage cylinder 83, the two reactants are respectively contained in the two closed spaces 12, the side air bags 7 are communicated with the center position of the top of the reagent storage cylinder 83 through pipelines one by one another, when the upper floating cylinder 81 is in a water level, the buoyancy force submerg, and simultaneously piercing the two closed spaces 12 by the piercing projections 11 to bring the two reactants into contact.
Through designing gas generation structure 8, under the great condition of sea wave, the sea water is darker to submerging of gas generation structure 8, and then make a plurality of floater 9 produce buoyancy simultaneously, the buoyancy of a plurality of floater 9 can promote sealed piece 10 and upwards remove, and pierce through stinging protruding 11 simultaneously two airtight spaces 12 and make two kinds of reactant contact, take place chemical reaction and produce gas behind the reactant contact, the gas of production gets into side gasbag 7 through the pipeline and makes side gasbag 7 to expand all around, can increase the area of contact of unmanned aerial vehicle and sea to side gasbag 7 that expands all around, reduce unmanned aerial vehicle's focus, can improve unmanned aerial vehicle's buoyancy again, make unmanned aerial vehicle can steadily descend on the sea, prevent the unmanned aerial vehicle upset, can protect unmanned aerial vehicle to avoid the unmanned aerial vehicle damage better. In addition, supporting disk 5 can design into the massive thing that has a basis weight, unmanned aerial vehicle descends sea in-process, supporting disk 5 earlier with the sea water contact, can play the effect of buffering, after unmanned aerial vehicle stabilized at the sea, supporting disk 5 can play the effect of balancing weight to reduce unmanned aerial vehicle at the focus of the surface of water, can further promote unmanned aerial vehicle at the stability and the equilibrium on sea, can effectively prevent the unmanned aerial vehicle upset.
The periphery of the side air bag 7 is provided with an elastic net bag-shaped structure 13, the open end of the elastic net bag-shaped structure 13 is fixed on the fuselage 1, and when the side air bag 7 is in an inflated state, the elastic net bag-shaped structure 13 is in a stretched state. When the side air bag 7 is inflated, the elastic net bag-shaped structure 13 can better accommodate the side air bag 7, so that the volume of the side air bag 7 is reduced, and further the flight resistance of the unmanned aerial vehicle is reduced; when the side airbag 7 is in an inflated state, the elastic net bag-shaped structure 13 applies a pulling force to the side airbag 7, so that the interaction force between the side airbag 7 and the fuselage 1 is reduced, and the side airbag 7 is prevented from falling off.
The bottom of the sealing block 10 is provided with a hemispherical groove 14 with a radius slightly larger than that of the floating ball 9, and a through hole 15 for communicating the upper float 81 and the gas generating cylinder 82 is arranged in the hemispherical groove 14. A through hole 15 for communicating the upper buoy 81 with the gas generating cylinder 82 is formed in the hemispherical groove 14, so that gas in the side air bag 7 can be automatically exhausted after sea waves are reduced or the unmanned aerial vehicle leaves the sea; under the condition of large waves, the floating ball 9 can be in close contact with the hemispherical groove 14 under the action of buoyancy, so that the through hole 15 is sealed, and gas leakage is prevented.
The plurality of thorns 11 are all of a triangular knife-shaped structure. The openings pierced by the triangular knife-shaped structures can enable two reactants to be quickly discharged and mixed from the two closed spaces 12, and the gas generation efficiency is improved.
The upper float 81, the gas generating cylinder 82 and the reagent storage cylinder 83 are connected by screw threads. The threaded connection facilitates the installation and the disassembly of the gas generating structure 8, and is beneficial to the maintenance of the gas generating structure 8 and the replacement of two reactants.
The sealed space 12 in the reagent storage cylinder 83 is a non-elastic bag-like structure, and the non-elastic bag-like structure is fixed to the top of the reagent storage cylinder 83 by bonding. The inelastic bag-shaped structure is more beneficial to the piercing of the piercing projections 11, and the inelastic bag-shaped structure is bonded to the top 83 of the reagent storage barrel, so that the installation of the gas generating structure 8 is more convenient, and the inelastic bag-shaped structure can be prevented from blocking a channel for gas to be added into the side airbag 7 under the impact of gas.
The two sides of the inner top of the reagent storage cylinder 83 are respectively provided with an inclined boss 16 which inclines from the middle part of the reagent storage cylinder 83 to one side, and the non-elastic bag-shaped structure is fixed on the inclined surface of the inclined boss 16. The inclined bosses 16 enable the inelastic bag-like structure to move to both sides of the reagent storage cylinder 83 upon impact of gas, further preventing it from blocking the passage of the gas-introducing side airbag 7.
The two reactants are NaHCO3 solution and hydrochloric acid solution respectively. The NaHCO3 solution and the hydrochloric acid solution are used as reactants, so that firstly, the reaction rate is high, the product after the reaction does not pollute the environment, and secondly, the solution is more favorable for being discharged from the non-elastic bag-shaped structure, so that the two reactions can be fully mixed and reacted.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (8)
1. An offshore anti-overturning system of an unmanned aerial vehicle on water is characterized by comprising a body, and a horn and a propeller thruster which are symmetrically arranged on two sides of the upper part of the body, wherein the propeller thruster is arranged at one end of the horn, which is far away from the body, the middle parts of two sides of the body are respectively provided with two support frames in parallel, one end of each support frame, which is far away from the body, is provided with a support disc, the bottom of the body is provided with a floating body, four side surfaces of the body are respectively provided with a side airbag, four corners of the body are provided with gas generating structures, and the side airbags and the gas generating structures are communicated one by one;
the gas generating structure comprises an upper buoy, a gas generating cylinder and a reagent storage cylinder, wherein the upper buoy, the gas generating cylinder and the reagent storage cylinder are sequentially connected into a whole from bottom to top, the upper buoy is of a net structure, a plurality of floating balls are stacked in the upper buoy, a sealing block is arranged in the gas generating cylinder and is positioned at the lower part of the generating cylinder, a plurality of stabs are arranged at the upper end of the sealing block, two reactants which are mutually separated are contained in the reagent storage cylinder, chemical reaction can be carried out and gas is generated after the two reactants are contacted, a closed space is respectively arranged at two sides in the reagent storage cylinder, the two reactants are respectively contained in the two closed spaces, the side air bags are communicated with the center position of the top of the reagent storage cylinder through pipelines one by one, when the buoy is submerged in water level, the buoyancy of the plurality of floating balls can push the sealing block to move upwards, and simultaneously puncturing the two closed spaces by the stabbing bulges so as to contact the two reactants.
2. The offshore anti-overturning system for the unmanned aerial vehicle on water as claimed in claim 1, wherein an elastic mesh-bag-shaped structure is arranged at the periphery of the side air bag, an opening end of the elastic mesh-bag-shaped structure is fixed on the fuselage, and when the side air bag is in an inflated state, the elastic mesh-bag-shaped structure is in a stretched state.
3. The offshore anti-overturning system for the unmanned aerial vehicle on water as claimed in claim 2, wherein the bottom of the sealing block is provided with a hemispherical groove with a radius slightly larger than that of the floating ball, and a through hole for communicating the floating barrel and the gas generating barrel is arranged in the hemispherical groove.
4. The offshore anti-overturning system for the unmanned aerial vehicle on water according to claim 3, wherein the plurality of stabs are all of a triangular knife-like structure.
5. The offshore anti-rollover system for the above-water unmanned aerial vehicle as claimed in claim 4, wherein the upper buoy, the gas generation cylinder and the reagent storage cylinder are connected with each other by means of threaded connection.
6. The offshore anti-overturning system for the unmanned aerial vehicle on water as claimed in claim 5, wherein the enclosed space in the reagent storage cylinder is a non-elastic bag-shaped structure, and the non-elastic bag-shaped structure is fixed on the top of the reagent storage cylinder in an adhesion manner.
7. The offshore anti-overturning system for the unmanned aerial vehicle on water as claimed in claim 6, wherein the reagent storage cylinder is provided with inclined bosses respectively arranged at two sides of the inner top and inclined from the middle part of the reagent storage cylinder to one side, and the non-elastic bag-shaped structure is fixed on the inclined plane of the inclined bosses.
8. The offshore anti-rollover system for unmanned aerial vehicles according to any one of claims 1 to 7, wherein the two reactants are NaHCO3 solution and hydrochloric acid solution, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011549564.2A CN112550700A (en) | 2020-12-24 | 2020-12-24 | Marine anti-overturning system for water unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011549564.2A CN112550700A (en) | 2020-12-24 | 2020-12-24 | Marine anti-overturning system for water unmanned aerial vehicle |
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| CN112550700A true CN112550700A (en) | 2021-03-26 |
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| CN202011549564.2A Withdrawn CN112550700A (en) | 2020-12-24 | 2020-12-24 | Marine anti-overturning system for water unmanned aerial vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114044136A (en) * | 2021-11-17 | 2022-02-15 | 中国大唐集团未来能源科技创新中心有限公司 | Unmanned aerial vehicle system of turning over on water |
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| JP2005343440A (en) * | 2004-06-03 | 2005-12-15 | Yoji Tanaka | Sea rescue instrument |
| CN106103274A (en) * | 2015-07-02 | 2016-11-09 | 深圳市大疆创新科技有限公司 | Unmanned plane, its control system and method, and unmanned plane landing control method |
| CN207360571U (en) * | 2017-08-26 | 2018-05-15 | 新昌县勤振机械制造有限公司 | A kind of unmanned plane functional support frame |
| CN210526853U (en) * | 2019-08-19 | 2020-05-15 | 上海星薇信息技术有限公司 | Unmanned aerial vehicle is listened at sea that suspension stability is high |
| CN211167400U (en) * | 2019-12-30 | 2020-08-04 | 北京铁路电气化学校 | Waterproof unmanned aerial vehicle capable of floating on water surface |
| CN111634413A (en) * | 2020-07-06 | 2020-09-08 | 南京工业职业技术学院 | Salvage recovery device of marine unmanned aerial vehicle |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005343440A (en) * | 2004-06-03 | 2005-12-15 | Yoji Tanaka | Sea rescue instrument |
| CN106103274A (en) * | 2015-07-02 | 2016-11-09 | 深圳市大疆创新科技有限公司 | Unmanned plane, its control system and method, and unmanned plane landing control method |
| CN207360571U (en) * | 2017-08-26 | 2018-05-15 | 新昌县勤振机械制造有限公司 | A kind of unmanned plane functional support frame |
| CN210526853U (en) * | 2019-08-19 | 2020-05-15 | 上海星薇信息技术有限公司 | Unmanned aerial vehicle is listened at sea that suspension stability is high |
| CN211167400U (en) * | 2019-12-30 | 2020-08-04 | 北京铁路电气化学校 | Waterproof unmanned aerial vehicle capable of floating on water surface |
| CN111634413A (en) * | 2020-07-06 | 2020-09-08 | 南京工业职业技术学院 | Salvage recovery device of marine unmanned aerial vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114044136A (en) * | 2021-11-17 | 2022-02-15 | 中国大唐集团未来能源科技创新中心有限公司 | Unmanned aerial vehicle system of turning over on water |
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Application publication date: 20210326 |