WO2020015236A1 - 一种无人机 - Google Patents

一种无人机 Download PDF

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Publication number
WO2020015236A1
WO2020015236A1 PCT/CN2018/112602 CN2018112602W WO2020015236A1 WO 2020015236 A1 WO2020015236 A1 WO 2020015236A1 CN 2018112602 W CN2018112602 W CN 2018112602W WO 2020015236 A1 WO2020015236 A1 WO 2020015236A1
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WO
WIPO (PCT)
Prior art keywords
air
suction
rotor
airway
hood
Prior art date
Application number
PCT/CN2018/112602
Other languages
English (en)
French (fr)
Inventor
刘利剑
Original Assignee
深圳市大疆创新科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to CN201880088659.3A priority Critical patent/CN111683876A/zh
Publication of WO2020015236A1 publication Critical patent/WO2020015236A1/zh

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00Equipment not otherwise provided for
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/10Cleaning arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00Type of UAV
    • B64U10/10Rotorcrafts
    • B64U10/13Flying platforms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U2101/00UAVs specially adapted for particular uses or applications
    • B64U2101/25UAVs specially adapted for particular uses or applications for manufacturing or servicing
    • B64U2101/29UAVs specially adapted for particular uses or applications for manufacturing or servicing for cleaning
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Definitions

  • the embodiment of the invention relates to an unmanned aerial vehicle.
  • drones can be widely used in agricultural plant protection, aerial photography, inspection, mapping, Investigation and other aspects.
  • drones can also be used to clean devices to be cleaned that have a large surface area, such as solar panels and roofs.
  • a drone can clean dust and debris on the surface of a solar panel by hanging a cleaning brush to improve the power generation efficiency and service life of the solar panel.
  • Using this method to clean the solar panel can not only avoid the problem of complicated manual operation and long time consuming caused by manual cleaning of the solar panel, but also avoid the inability to automatically span large distances caused by robotic cleaning of the solar panel Problem with solar panels.
  • the cleaning brush needs to be in direct contact with various areas on the surface of the solar cell panel. Therefore, the cleaning efficiency is low and the solar cell is easily worn away.
  • the surface of the panel reduces the charging efficiency and service life of the solar panel.
  • an embodiment of the present invention proposes an unmanned aerial vehicle with high cleaning efficiency and difficult to wear the surface of the solar cell panel.
  • an embodiment of the present invention discloses an unmanned aerial vehicle, including: a fuselage, a rotor, an air hood, a flushing airway, and a suction airway;
  • the fuselage includes opposite first and second sides, and the rotor is disposed on the first side of the fuselage;
  • the air hood is disposed on the second side of the fuselage and is opposite to the position of the rotor, and is configured to set the rotor airflow generated by the rotor in the air hood;
  • the flushing air passage is arranged in the air hood and is opposite to the rotor, and is used for converting part of the rotor airflow into a high-speed flushing airflow, and washing debris from the device to be cleaned to the airflow.
  • the suction air passage is arranged in the air hood and is opposite to the rotor, and is used to convert part of the rotor air flow into a negative pressure air flow, and suction the debris in the air hood to the suction In the airway.
  • the suction airway is provided with a negative pressure hole penetrating a side wall of the suction airway, and the suction airway sucks sundries in the air hood through the negative pressure hole. Into the suction airway.
  • the side wall of the suction airway includes an outer wall and an inner wall; wherein
  • the negative pressure hole sequentially penetrates the outer wall and the inner wall
  • the negative pressure hole includes an input side and an output side, the input side is provided on the outer wall, and the output side is provided on the inner wall;
  • the diameter of the input side is larger than the diameter of the output side.
  • the flushing airway includes an opposite first air inlet end and a first air outlet end;
  • the first intake end is opposite to the rotor
  • the diameter of the first inlet end is larger than the diameter of the first outlet end.
  • the suction airway includes an opposite second air inlet end and a second air outlet end;
  • the second intake end is opposite to the rotor
  • the diameter of the second inlet end is larger than the diameter of the second outlet end.
  • the input side of the negative pressure hole is close to the second air inlet end of the suction airway, and the output side of the negative pressure hole is close to the second air outlet end of the suction airway.
  • the drone further includes: a dust collecting device; wherein
  • the dust collecting device is connected to the second air outlet end, and is used for collecting debris in the suction air passage.
  • the drone includes: a plurality of the irrigation airways and a plurality of the suction airways; wherein
  • the plurality of flushing air passages are evenly arranged in the air hood;
  • the plurality of suction air passages are evenly arranged in the air hood;
  • the plurality of irrigation air channels and the plurality of suction air channels are alternately arranged.
  • the air hood is a compressible structure.
  • the drone further includes: a fan structure; wherein
  • the air outlet surface of the fan structure is opposite to the washing air channel and the suction air channel, and the fan airflow generated by the fan structure enters the washing air channel and the suction through the air outlet surface, respectively. airway.
  • the flushing airflow in the flushing airway can flush the device to be cleaned, and the debris on the device to be cleaned is flushed into the air hood. Avoid damage to the surface of the device to be cleaned.
  • the debris in the air hood can be sucked into the suction airway, and the cleaning of the device to be cleaned is completed.
  • the air hood since the air hood is opposite to the position of the rotor, the air hood can be used to introduce the rotor airflow generated by the rotor into the air hood, thereby improving the work of the flushing air and the suction air. effectiveness.
  • FIG. 1 is a schematic structural diagram of a drone according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of another drone according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of still another UAV according to an embodiment of the present invention.
  • the drone may be a single-rotor drone or a multi-rotor drone.
  • the embodiment of the present invention is only described by taking a multi-rotor drone as an example, and a single-rotor drone may be implemented by reference.
  • the drone can clean a device to be cleaned, and the device to be cleaned may include, but is not limited to, a solar panel or a roof.
  • the embodiment of the present invention is described by using a solar panel as an example. For other devices to be cleaned, refer to Just do it.
  • An embodiment of the present invention provides an unmanned aerial vehicle for cleaning a device to be cleaned, which may specifically include: a fuselage, a rotor, an air hood, a flushing airway, and a suction airway; wherein the airframe includes a relative first On one side and on the second side, the rotor is disposed on the first side of the fuselage; the air hood is disposed on the second side of the fuselage, opposite to the position of the rotor, and can be used to place the rotor The rotor airflow generated by the rotor is set in the air hood; the flushing air passage is set in the air hood and is opposite to the rotor, and can be used to convert part of the rotor airflow into a high-speed flushing airflow.
  • the debris on the device to be cleaned is flushed into the air hood;
  • the suction air passage is disposed in the air hood and is opposite to the rotor, and can be used to convert part of the rotor airflow into negative air Pressurized air, sucking debris in the air hood into the suction airway.
  • the flushing airflow in the flushing airway can flush the device to be cleaned, and the debris on the device to be cleaned is flushed into the air hood. Avoid damage to the surface of the device to be cleaned.
  • the debris in the air hood can be sucked into the suction airway, and the cleaning of the device to be cleaned is completed.
  • the air hood since the air hood is opposite to the position of the rotor, the air hood can be used to introduce the rotor airflow generated by the rotor into the air hood, thereby improving the work of the flushing air and the suction air. effectiveness.
  • FIG. 1, FIG. 2, and FIG. 3 a schematic structural diagram of an unmanned aerial vehicle according to an embodiment of the present invention is shown; specifically, it may include: a fuselage 10, a rotor 11, an air hood 12, a flushing airway 13, and suction air Road 14.
  • the fuselage 10 may include a first side and a second side opposite to each other.
  • the rotor 11 is disposed on a first side of the fuselage 10.
  • the air hood 12 is disposed on the second side of the fuselage 10 and is opposite to the position of the rotor 11.
  • the air hood 12 can be used to set the rotor airflow generated by the rotor 11 in the air hood 12.
  • the flushing air passage 13 is disposed in the air hood 12 and is opposite to the rotor 11.
  • the flushing air passage 13 can be used to convert part of the rotor airflow into a high-speed flushing airflow to flush the debris on the device to be cleaned to Inside the air hood 12.
  • the suction air passage 14 is disposed in the air hood 12 and is opposite to the rotor 11.
  • the suction air passage 14 can be used to convert part of the rotor air flow into a negative pressure air flow, and suction the debris in the air hood 12 into the suction air passage. .
  • the drone according to the embodiment of the present invention can flush the debris on the device to be cleaned into the air hood 12 through the flushing airway 13, and suck the debris in the air hood 12 through the suction airway 14.
  • the cleaning of the device to be cleaned is completed, the cleaning efficiency is high, and damage to the surface of the device to be cleaned can also be avoided.
  • the speed of the rotor airflow in the suction air passage 14 may be changed, so that the rotor airflow is converted into a negative pressure airflow.
  • the speed of the rotor airflow in the suction air passage 14 is increased.
  • the air pressure in the suction airway 14 is lower than that in the air cover 12, and the suction airway Negative pressure is generated in 14.
  • the rotor airflow in the suction air passage 14 can be converted into negative pressure airflow.
  • the air hood 12 may be connected to the fuselage 10 in a hanging manner.
  • the suspension may be a fixed suspension.
  • the air hood 12 is fixed to the fuselage 10 by using an adhesive medium, or the air hood 12 is fixed to the fuselage 10 by using screws or rivets;
  • the suspension method may also be a detachable suspension.
  • the air hood 12 is connected to the fuselage 10 by using a hook, or the air hood 12 is tied to the fuselage by using a connecting rope.
  • the embodiment of the present invention does not specifically limit the suspension manner between the air hood 12 and the fuselage 10.
  • the air hood 12 may be disposed opposite to the rotor 11 to guide the rotor airflow generated by the rotor 11 into the air hood 12.
  • the number of the rotors 11 may be multiple, and only the case where the number of the rotors 11 is two is shown in FIG. 1, FIG. 2, and FIG. 3. In practical applications, the number of the rotors 11 may be other numbers, for example, two, four, or six.
  • the embodiment of the present invention does not limit the specific number of the rotors 11.
  • the air hood 12 can set the rotor airflow generated by the rotor 11 in the air hood 12 to improve the working efficiency of the flushing air passage 13 and the suction air passage 14.
  • Rotor 11 can generate downward rotor airflow by rotating.
  • the air hood 12 since the air hood 12 is opposite to the rotor 11 and is located directly below the rotor 11, the air hood 12 can gather the rotor airflow, and the rotor airflow is set in the air hood 12 to avoid the rotor Diffusion of airflow to the surrounding area causes airflow loss. In this way, the rotor airflow entering the irrigation air passage 13 and the suction air passage 14 can be increased, and the working efficiency of the irrigation air passage 13 and the suction air passage 14 can be improved.
  • the air hood 12 can also limit the cleaning range of the drone when cleaning the sundries on the surface of the device to be cleaned, so as to prevent the rotor airflow generated by the rotor 11 from causing damage to the area outside the air hood 12 influences.
  • the air hood 12 can set the sundries in the air hood 12, so that the flying sundries during the washing process can be avoided.
  • the area that has been cleaned outside the air hood 12 has an impact.
  • the air hood 12 may be a compressible structure.
  • the air hood 12 can be partially compressed to match the structure of the inclined solar panel, It is convenient for the drone to clean the inclined solar panel.
  • the air hood 12 may be manufactured by using a flexible material to achieve the compressible characteristics of the air hood 12.
  • the air hood 12 is processed by using a flexible material such as a plastic film, a felt cloth, and a flexible rubber to achieve the compressible characteristics of the air hood 12.
  • a compressible mechanical structure can be provided on the air hood 12 to assist in achieving the compressible characteristics of the air hood 12.
  • a device such as a spring may be provided on the air hood 12 to assist the compressible characteristics of the air hood 12.
  • those skilled in the art may also implement the compressibility characteristics of the air hood 12 through other methods such as electronic induction.
  • the embodiment of the present invention does not limit the specific manner of achieving the compressibility characteristics of the air hood 12. .
  • the flushing airway 13 and the suction airway 14 may be a circular tube-like structure.
  • the flushing airway 13 and the suction airway 14 can be processed by using plastic, metal, and fiber-reinforced composite materials.
  • the flushing airway 13 and the suction airway 14 can be connected to the fuselage by means of suspension.
  • the suspension may be a fixed suspension.
  • the flushing airway 13 and the suction airway 14 are fixed to the body 10 with an adhesive medium, or the flushing airway 13 is fixed with screws, rivets, or the like.
  • the suction air duct 14 is fixed to the body 10.
  • the suspension method may also be a detachable suspension.
  • a hook is used to connect the flushing airway 13 and the suction airway 14 to the fuselage 10
  • a connecting rope is used to connect the flushing airway 13 and the suction airway 14 Tied to the fuselage and so on.
  • the flushing airway 13 and the suction airway 14 can be suspended from the fuselage 10, and then the air cover 12 can be sleeved outside the flushing airway 13, the suction airway 14 and suspended from the fuselage 10. on.
  • the flushing air passage 13 may include a first air inlet end 131 and a first air outlet end 132 opposite to each other; wherein the first air inlet end 131 is close to the rotor 11; the diameter of the first air inlet end 131 may be larger than the first The diameter of the air outlet end 132.
  • the first intake end 131 is opposite to the rotor 11, a part of the rotor airflow generated by the rotor 11 can enter the flushing air passage 13 through the first intake end 131.
  • the partial rotor airflow is in the flushing air passage 13
  • the flow velocity from the first inlet end 131 to the first outlet end 132 will increase.
  • the flushing air passage 13 can enter the flushing air passage by changing the diameter from the first inlet end 131 to the first outlet end 132.
  • a part of the rotor airflow in 13 is converted into a high-speed flushing airflow.
  • the flushing airflow may be used to flush the debris on the device to be cleaned, and flush the debris on the device to be cleaned into the air hood 12.
  • the diameter of the flushing air passage 13 can be changed from the first air inlet end 131 to the first air outlet end 132 in various ways.
  • the diameter of the flushing air passage 13 may decrease in sequence from the first intake end 131 to the first outlet end 132, and the velocity of the partial rotor airflow in the flushing air passage 13 is from the first intake end 131 to the first outlet The end 132 will gradually increase. In this way, the process of changing the flow velocity of the airflow can be made gentler, and further, the vibration of the flushing airway 13 can be reduced.
  • the diameter of the flushing air passage 13 is reduced on the side close to the first air inlet end 131, and the diameter is kept constant on the side close to the first air outlet end 132. In this way, the flow velocity of the flushing airflow output from the first air outlet 132 can be made stable.
  • the flushing airway 13 can be expanded by a proper amount on the side near the first air outlet 132 to increase the working range of the flushing airway 13.
  • the diameter of the first outlet end 132 must be smaller than the first inlet end 131 diameter.
  • the suction airway 14 may be provided with a negative pressure hole 141 penetrating the side wall of the suction airway 14.
  • suction due to the existence of the negative pressure airflow in the suction airway 14, suction The air pressure in the air duct 14 is lower than the air pressure in the air hood 12.
  • the suction air duct 14 will have an adsorption effect on the foreign objects in the air hood 12, and draw the foreign objects in the air hood 12 through the negative pressure hole 141. Suction into the suction air passage 14 completes the cleaning of the device to be cleaned.
  • the side wall of the suction airway 14 may include an outer wall and an inner wall; wherein a negative pressure hole 141 penetrates the outer wall and the inner wall; the negative pressure hole 141 includes an input side and an output side, and the input side is provided at On the outer wall, the output side is disposed on the inner wall; a diameter of the input side may be larger than a diameter of the output side.
  • the suction air passage 14 may include opposite second air inlet ends 142 and second air outlet ends 143; wherein, the second air inlet end 142 is opposite to the rotor 11; The diameter of the two outlet ends 143.
  • the second intake end 142 is opposite to the rotor 11, a part of the rotor airflow generated by the rotor 11 can enter the suction air passage 14 through the second intake end 142.
  • the partial rotor airflow enters the suction air passage 14 from the second intake end 142, as the diameter of the suction air passage 14 decreases from the second inlet end 142 to the second outlet end 143, the partial rotor airflow
  • the flow velocity in the suction air passage 14 will increase from the second inlet end 142 to the second outlet end 143.
  • the manner of changing the diameter of the suction airway 14 from the second air inlet end 142 to the second air outlet end 143 can be referred to the flushing airway 13, and is not repeated here.
  • the input side of the negative pressure hole 141 may be close to the second inlet of the suction air passage 14.
  • the output side of the air end 142 and the negative pressure hole 141 may be close to the second air end 143 of the suction air passage 14.
  • the specific positions of the input end and the output end of the negative pressure hole 141 may also set according to the actual situation, for example, the input side of the negative pressure hole 141 is close to the second outlet of the suction airway 14
  • the end 143 may be close to the output side of the negative pressure hole 141 near the second intake end 142 of the suction air passage 14.
  • the specific positions of the input end and the output end of the negative pressure hole 141 are not limited.
  • the drone according to the embodiment of the present invention may further include: a dust collecting device 15, and the dust collecting device 15 may be disposed in the first part of the suction airway 14.
  • the two air outlets 143 are connected to the second air outlet 143. In this way, after the suction airway 14 sucks the foreign matter in the air hood 12 into the suction airway 14, under the action of the negative pressure air flow in the suction airway 14, the foreign matter can pass through the second The air outlet end 143 enters the dust collecting device 15.
  • the drone according to the embodiment of the present invention may further include a fan structure, wherein an air outlet surface of the fan structure is opposite to a flushing air channel 13 and a suction air channel 14, respectively, and the fan structure generates
  • the fan airflow can enter the flushing airway 13 and the suction airway 14 respectively through the air outlet surface, so as to enhance the intensity of the flushing airflow in the flushing airway 13 and the intensity of the negative pressure airflow in the suction airway 14.
  • the flushing effect of the flushing air on the debris on the device to be cleaned can be enhanced, and the suction effect of the negative pressure air on the debris in the air hood can be enhanced.
  • the drone may include: a plurality of irrigation air channels 13 and a plurality of suction air channels 14; wherein the plurality of irrigation air channels 13 may be uniform within the air hood 12 Arrange; multiple suction air channels 14 can be evenly arranged in the air hood 12; multiple irrigation air channels 13 and multiple suction air channels 14 can be alternately arranged.
  • a plurality of flushing air passages 13 are evenly arranged in the air hood 12, so that the flushing airflow of the debris acting on the device to be cleaned can be more uniform. In this way, the flushing airflow can be improved. Washing effect of sundries on the device to be cleaned.
  • a plurality of suction air passages 14 are uniformly arranged in the air hood 12; the negative pressure air flow of the debris acting in the air hood 12 can be made more uniform, so that the negative pressure air flow can be improved for the air hood 12. Debris washing effect.
  • Multiple flushing airways 13 and multiple suction airways 14 can be alternately arranged, which can not only increase the number of flushing airways 13 and suction airways 14 that can be arranged in the air hood 12, but also enhance the flushing airways 13 and suction
  • the synergistic effect of the suction duct 14 can further improve the cleaning efficiency of the drone for the device to be cleaned.
  • the number of the flushing airways 13 may be multiple, and the number of the suction airways 14 may also be multiple.
  • FIG. 2 only shows the case where the number of the flushing airways 13 is two, and in practical applications, the number of the flushing airways 13 may also be other numbers, for example, two, four, or six, etc. The specific number of the flushing airways 13 is not limited in the embodiment of the present invention.
  • FIG. 3 only shows the case where the number of suction airways 14 is two, and in practical applications, the number of suction airways 14 may be other numbers, for example, two or four Or six etc., the specific number of the suction airways 14 is not limited in the embodiment of the present invention.
  • the drone described in the embodiments of the present invention has at least the following advantages:
  • the flushing airflow in the flushing airway can flush the device to be cleaned, and the debris on the device to be cleaned is flushed into the air hood. Avoid damage to the surface of the device to be cleaned.
  • the debris in the air hood can be sucked into the suction airway, and the cleaning of the device to be cleaned is completed.
  • the air hood since the air hood is opposite to the position of the rotor, the air hood can be used to introduce the rotor airflow generated by the rotor into the air hood, thereby improving the work of the flushing air and the suction air. effectiveness.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

一种无人机,包括:机身(10)、旋翼(11)、气罩(12)、冲洗气道(13)以及抽吸气道(14);其中,机身(10)包括相对的第一侧和第二侧,旋翼(11)设置于机身(10)的第一侧;气罩(12)设置于机身(10)的第二侧,与旋翼(11)的位置相对,用于将旋翼(11)产生的旋翼气流设置在气罩(12)内;冲洗气道(13)设置于气罩(12)内,与旋翼(11)相对设置,用于将部分旋翼气流转变成高速的冲洗气流,将待清洁装置上的杂物冲洗至气罩(12)内;抽吸气道(14)设置于气罩(12)内,与旋翼(11)相对设置,用于将气罩(12)内的杂物抽吸到抽吸气道(14)内。该无人机可以用于清洁待清洁装置,不仅清洁效率较高,还可以避免对待清洁装置表面的损伤。

Description

一种无人机 技术领域
本发明实施例涉及一种无人机。
背景技术
随着飞行器技术的高速发展,飞行器已经越来越多的被应用在生产、生活的各个领域,无人机作为一种新型的飞行器,可以广泛的应用在农业植保、航拍、巡检、测绘、侦查等各方面。
现有的技术中,无人机还可以用于清洁太阳能电池板、屋顶等表面积较大的待清洁装置。例如,无人机可以通过悬挂清洁刷的方式对太阳能电池板表面的灰尘及杂物进行清洁,以提高太阳能电池板的发电效率和使用寿命。采用这种方式对太阳能电池板进行清洁,不仅可以避免采用人工清洁太阳能电池板导致的人工操作复杂、且耗时较长的问题,还可以避免采用机器人清洁太阳能电池板导致的无法自动跨越大间距的太阳能电池板的问题。
然而,现有的无人机在采用清洁刷对太阳能电池板进行清洁时,由于需要该清洁刷与太阳能电池板表面的各区域直接接触,因此,清洁效率较低,而且,很容易磨损太阳能电池板表面,降低太阳能电池板的充电效率和使用寿命。
发明内容
有鉴于此,本发明实施例提出了一种清洁效率高且不易磨损太阳能电池板表面的无人机。
为了解决上述问题,本发明实施例公开了一种无人机,包括:机身、旋翼、气罩、冲洗气道以及抽吸气道;其中
所述机身包括相对的第一侧和第二侧,所述旋翼设置于所述机身的第一侧;
所述气罩设置于所述机身的第二侧,与所述旋翼的位置相对,用于将所述旋翼产生的旋翼气流设置在所述气罩内;
所述冲洗气道设置于所述气罩内,与所述旋翼相对设置,用于将部分所 述旋翼气流转变成高速的冲洗气流,将所述待清洁装置上的杂物冲洗至所述气罩内;
所述抽吸气道设置于所述气罩内,与所述旋翼相对设置,用于将部分所述旋翼气流转变成负压气流,将所述气罩内的杂物抽吸到所述抽吸气道内。
可选地,所述抽吸气道上设有贯穿所述抽吸气道的侧壁的负压孔,所述抽吸气道通过所述负压孔将所述气罩内的杂物抽吸到所述抽吸气道内。
可选地,所述抽吸气道的侧壁包括外壁和内壁;其中
所述负压孔依次贯穿所述外壁和所述内壁;
所述负压孔包括输入侧和输出侧,所述输入侧设置于所述外壁上,所述输出侧设置于所述内壁上;
所述输入侧的直径大于所述输出侧的直径。
可选地,所述冲洗气道包括相对的第一进气端和第一出气端;其中
所述第一进气端与所述旋翼相对;
所述第一进气端的直径大于所述第一出气端的直径。
可选地,所述抽吸气道包括相对的第二进气端和第二出气端;其中
所述第二进气端与所述旋翼相对;
所述第二进气端的直径大于所述第二出气端的直径。
可选地,所述负压孔的输入侧靠近所述抽吸气道的第二进气端,所述负压孔的输出侧靠近所述抽吸气道的第二出气端。
可选地,所述无人机还包括:集尘装置;其中
所述集尘装置与所述第二出气端连接,用于收集所述抽吸气道内的杂物。
可选地,所述无人机包括:多个所述冲洗气道和多个所述抽吸气道;其中
所述多个冲洗气道在所述气罩内均匀布置;
所述多个抽吸气道在所述气罩内均匀布置;
所述多个冲洗气道和所述多个抽吸气道交替布置。
可选地,所述气罩为可压缩结构。
可选地,所述无人机还包括:风扇结构;其中
所述风扇结构的出风面分别与所述冲洗气道、所述抽吸气道相对,所述 风扇结构产生的风扇气流通过所述出风面分别进入所述冲洗气道、所述抽吸气道。
本发明实施例包括以下优点:
本发明实施例中,所述冲洗气道内的冲洗气流可以对所述待清洁装置进行冲洗,将所述待清洁装置上的杂物冲洗至所述气罩内,不仅冲洗效率较高,还可以避免对所述待清洁装置表面的损伤。其次,由于所述抽吸气道内的负压气流可以将所述气罩内的杂物抽吸到所述抽吸气道内,完成对所述待清洁装置的清洁。此外,由于所述气罩与所述旋翼的位置相对,所述气罩可以用于将所述旋翼产生的旋翼气流导入所述气罩内,提高所述冲洗气流和所述抽吸气流的工作效率。
附图说明
图1是本发明实施例的一种无人机的结构示意图;
图2是本发明实施例的另一种无人机的结构示意图;
图3是本发明实施例的再一种无人机的结构示意图。
具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂,下面结合附图和具体实施方式对本发明作进一步详细的说明。
本发明实施例中,所述无人机可以为单旋翼无人机或者多旋翼无人机,本发明实施例仅以多旋翼无人机为例进行说明,单旋翼无人机参照执行即可。所述无人机可以清洁待清洁装置,所述待清洁装置可以包括但不局限于太阳能电池板、或者屋顶等装置,本发明实施例仅以太阳能电池板为例进行说明,其他待清洁装置参照执行即可。
本发明实施例提供了一种无人机,用于清洁待清洁装置,具体可以包括:机身、旋翼、气罩、冲洗气道以及抽吸气道;其中,所述机身包括相对的第一侧和第二侧,所述旋翼设置于所述机身的第一侧;所述气罩设置于所述机身的第二侧,与所述旋翼的位置相对,可以用于将所述旋翼产生的旋翼气流设置在所述气罩内;所述冲洗气道设置于所述气罩内,与所述旋翼相对设置,可以用于将部分所述旋翼气流转变成高速的冲洗气流,将所述待清洁装置上 的杂物冲洗至所述气罩内;所述抽吸气道设置于所述气罩内,与所述旋翼相对设置,可以用于将部分所述旋翼气流转变成负压气流,将所述气罩内的杂物抽吸到所述抽吸气道内。
本发明实施例中,所述冲洗气道内的冲洗气流可以对所述待清洁装置进行冲洗,将所述待清洁装置上的杂物冲洗至所述气罩内,不仅冲洗效率较高,还可以避免对所述待清洁装置表面的损伤。其次,由于所述抽吸气道内的负压气流可以将所述气罩内的杂物抽吸到所述抽吸气道内,完成对所述待清洁装置的清洁。此外,由于所述气罩与所述旋翼的位置相对,所述气罩可以用于将所述旋翼产生的旋翼气流导入所述气罩内,提高所述冲洗气流和所述抽吸气流的工作效率。
参照图1、图2、图3,示出了本发明实施例的一种无人机的结构示意图;具体可以包括:机身10、旋翼11、气罩12、冲洗气道13以及抽吸气道14。其中,机身10可以包括相对的第一侧和第二侧。旋翼11设置于机身10的第一侧。气罩12设置于机身10的第二侧,与旋翼11的位置相对,气罩12可以用于将旋翼11产生的旋翼气流设置在气罩12内。冲洗气道13设置于气罩12内,与旋翼11相对设置,冲洗气道13可以用于将部分所述旋翼气流转变成高速的冲洗气流,以将所述待清洁装置上的杂物冲洗至气罩12内。抽吸气道14设置于气罩12内,与旋翼11相对设置,可以用于将部分所述旋翼气流转变成负压气流,将气罩12内的杂物抽吸到所述抽吸气道内。本发明实施例所述的无人机可以通过冲洗气道13将所述待清洁装置上的杂物冲洗至气罩12内,并通过抽吸气道14将气罩12内的杂物抽吸到抽吸气道14内,完成对所述待清洁装置的清洁,清洁效率较高,还可以避免对所述待清洁装置表面的损伤。
本发明实施例中,可以通过改变抽吸气道14内的旋翼气流的速度,使得所述旋翼气流转变成负压气流。例如,通过改变抽吸气道14的截面面积,使得抽吸气道14内的旋翼气流的速度增快。在抽吸气道14内的旋翼气流的速度比气罩12内的旋翼气流的速度更快的情况下,抽吸气道14内的气压比气罩12内的气压要低,抽吸气道14内会产生负压,相应的,抽吸气道14内的旋翼气流可以转变成负压气流。
本发明实施例中,气罩12可以通过悬挂的方式连接在机身10上。具体的,所述悬挂可以为固定式悬挂,例如,采用粘接介质将气罩12粘贴固定到机身10上,或者,采用螺钉、铆钉等将气罩12固定到机身10上;所述悬挂方式还可以为可拆卸式悬挂,例如,采用挂钩将气罩12连接在机身10上,或者,采用连接绳将气罩12捆绑在机身上等。本发明实施例对于气罩12与机身10之间的悬挂方式不做具体限定。
本发明实施例中,气罩12可以与旋翼11相对设置,以将旋翼11产生的旋翼气流导入气罩12内。可以理解的是,本发明实施例所述的无人机中,旋翼11的数量可以为多个,图1、图2、图3中仅示出了旋翼11的数量为2个的情况,而在实际应用中,旋翼11的数量还可以是其他的数量,例如,2个、4个或者6个等,本发明实施例对于旋翼11的具体数量不做限定。
在实际应用中,气罩12可以将旋翼11产生的旋翼气流设置在气罩12内,提高冲洗气道13和抽吸气道14的工作效率。旋翼11通过旋转可以产生向下的旋翼气流。本发明实施例中,由于气罩12与旋翼11的位置相对,位于旋翼11的正下方,气罩12可以归拢所述旋翼气流,将所述旋翼气流设置在气罩12内,避免所述旋翼气流向周围扩散造成气流损失。这样,就可以使得进入冲洗气道13、抽吸气道14内的旋翼气流增大,进而,可以提高冲洗气道13和抽吸气道14的工作效率。
在实际应用中,气罩12还可以限定所述无人机在对所述待清洁装置表面的杂物进行清洁时的清洁范围,避免旋翼11产生的旋翼气流对气罩12之外的区域造成影响。
例如,在冲洗气道13对所述待清洁装置上的杂物进行冲洗时,气罩12可以将所述杂物设置在气罩12内,这样,就可以避免冲洗过程中飞扬的杂物对气罩12外已完成清洁的区域造成影响。
在实际应用中,为了便于对形状复杂的待清洁装置进行清洁,气罩12可以为可压缩结构。例如,在所述无人机对倾斜的太阳能电池板进行清洁的情况下,由于气罩12为可压缩结构,气罩12可以实现部分压缩以跟所述倾斜的太阳能电池板的结构进行匹配,便于所述无人机对所述倾斜的太阳能电池板进行清洁。
具体地,气罩12可以通过采用柔性材料加工制成,以实现气罩12的可压缩特性。例如,采用塑料薄膜、毡布、柔性橡胶等柔性材料加工制成气罩12,以实现气罩12的可压缩特性。同时,还可以在气罩12上设置可压缩的机械结构辅助实现气罩12的可压缩特性。例如,可以在气罩12上设置弹簧等装置来辅助气罩12的可压缩特性。当然,在实际应用中,本领域技术人员还可以通过电子感应等其他方式来实现气罩12的可压缩性特性,本发明实施例对于实现气罩12的可压缩性特性的具体方式不做限定。
在实际应用中,冲洗气道13、抽吸气道14可以为类圆形的管状结构。为了提高冲洗气道13、抽吸气道14的结构强度,冲洗气道13、抽吸气道14可以采用塑料、金属、纤维增强复合材料进行加工。
在实际应用中,冲洗气道13、抽吸气道14可以通过悬挂的方式连接在机身上。具体地,所述悬挂可以为固定式悬挂,例如,采用粘接介质将冲洗气道13、抽吸气道14粘贴固定到机身10上,或者,采用螺钉、铆钉等将冲洗气道13、抽吸气道14固定到机身10上。所述悬挂方式还可以为可拆卸式悬挂,例如,采用挂钩将冲洗气道13、抽吸气道14连接在机身10上,或者,采用连接绳将冲洗气道13、抽吸气道14捆绑在机身上等。在具体应用中,可以先将冲洗气道13、抽吸气道14悬挂在机身10上,然后再将气罩12套在冲洗气道13、抽吸气道14外并悬挂在机身10上。
可选地,冲洗气道13可以包括相对设置的第一进气端131和第一出气端132;其中,第一进气端131靠近旋翼11;第一进气端131的直径可以大于第一出气端132的直径。
在实际应用中,由于第一进气端131与旋翼11相对,旋翼11产生的部分旋翼气流可以通过第一进气端131进入冲洗气道13。在所述部分旋翼气流从第一进气端131进入冲洗气道13后,由于第一进气端131的直径可以大于第一出气端132的直径,所述部分旋翼气流在冲洗气道13内的流速从第一进气端131到第一出气端132将会增大,这样,冲洗气道13通过从第一进气端131到第一出气端132的直径变化,可以将进入冲洗气道13内的部分所述旋翼气流转变成高速的冲洗气流。所述冲洗气流可以用于对所述待清洁装置上的杂物进行冲洗,将所述待清洁装置上的杂物冲洗至所述气罩12内。
在实际应用中,冲洗气道13的直径从第一进气端131到第一出气端132的变化可以通过多种方式实现。
例如,冲洗气道13的直径从第一进气端131的到第一出气端132可以依次递减,所述部分旋翼气流在冲洗气道13内的流速从第一进气端131到第一出气端132将会逐渐增大。这样,就可以使得气流的流速变化过程较为平缓,进而,可以减小冲洗气道13的振动。
又如,冲洗气道13在靠近第一进气端131的一侧将直径进行减小,在靠近第一出气端132的一侧保持直径不变。这样,可以使得第一出气端132中输出的冲洗气流流速较为稳定。
再如,冲洗气道13在靠近第一出气端132的一侧还可以进行适量的扩张,以增大冲洗气道13的工作范围。当然,在将靠近第一出气端132的一侧进行适量扩张的同时,为了提高冲洗气道13内形成的所述冲洗气流的速度,必须使得第一出气端132的直径小于第一进气端131的直径。
可选地,抽吸气道14上可以设有贯穿抽吸气道14的侧壁的负压孔141,,在实际应用中,由于抽吸气道14内的负压气流的存在,抽吸气道14内的气压比气罩12内的气压要低,抽吸气道14会对所述气罩12内的杂物产生吸附作用,将气罩12内的杂物从负压孔141抽吸到抽吸气道14内,完成对所述待清洁装置的清洁。
可选地,抽吸气道14的侧壁可以包括外壁和内壁;其中,负压孔141贯穿所述外壁和所述内壁;负压孔141包括输入侧和输出侧,所述输入侧设置于所述外壁上,所述输出侧设置于所述内壁上;所述输入侧的直径可以大于所述输出侧的直径。
在实际应用中,在抽吸气道14的吸附作用下,气罩内12内的杂物可以从负压孔141的输入侧进入负压孔,然后通过负压孔141的输出侧进入抽吸气道14内,由于所述输入侧的直径大于所述输出侧的直径,所述杂物在负压孔141内的速度从所述输入侧到所述输出侧将会增大。这样,负压孔141通过从所述输出侧到所述输出侧的直径变化,可以使得进入负压孔141内的杂物在负压孔141内的速度从所述输入侧到所述输出侧增大,进而,可以增大抽吸气道14对于气罩12内的杂物的抽吸效率。
可选地,抽吸气道14可以包括相对的第二进气端142和第二出气端143;其中,第二进气端142与旋翼11相对;第二进气端142的直径可以大于第二出气端143的直径。
在实际应用中,由于第二进气端142与旋翼11相对,旋翼11产生的部分旋翼气流可以通过第二进气端142进入抽吸气道14内。在所述部分旋翼气流从第二进气端142进入抽吸气道14后,由于抽吸气道14的直径从第二进气端142到第二出气端143减小,所述部分旋翼气流在抽吸气道14内的流速从第二进气端142到第二出气端143将会增大。这样,抽吸气道14通过从第二进气端142到第二出气端143的直径变化,可以将部分所述旋翼气流转变成高速的负压气流,将气罩12内的杂物从负压孔141抽吸到抽吸气道14内,完成对所述待清洁装置的清洁。
在实际应用中,抽吸气道14的直径从第二进气端142到第二出气端143的变化方式参照冲洗气道13即可,在此不做赘述。
可选地,为了便于气罩12内的杂物通过负压孔141进入抽吸气道14内,本发明实施例中,负压孔141的输入侧可以靠近抽吸气道14的第二进气端142,负压孔141的输出侧可以靠近抽吸气道14的第二出气端143。当然,在实际应用中,本领域技术人员也可以根据实际情况设置负压孔141的输入端和输出端的具体方位,例如,将负压孔141的输入侧靠近抽吸气道14的第二出气端143,将负压孔141的输出侧靠近抽吸气道14的第二进气端142皆可。本发明实施例对于负压孔141的输入端和输出端的具体方位不做限定。
可选地,为了收集抽吸气道14内杂物,本发明实施例所述的无人机中,还可以包括:集尘装置15,集尘装置15可以设置在抽吸气道14的第二出气端143,与第二出气端143连接。这样,在抽吸气道14将气罩12内的杂物抽吸到抽吸气道14内后,在抽吸气道14内的负压气流的作用下,所述杂物可以通过第二出气端143进入集尘装置15。
可选地,本发明实施例所述的无人机还可以包括:风扇结构,其中,所述风扇结构的出风面分别与冲洗气道13、抽吸气道14相对,所述风扇结构产生的风扇气流可以通过所述出风面分别进入冲洗气道13、抽吸气道14,增强冲洗气道13内的冲洗气流的强度,以及增强抽吸气道14内的负压气流的 强度。进而,可以增强所述冲洗气流对于所述待清洁装置上的杂物的冲洗作用,以及增强所述负压气流对于所述气罩内的杂物的抽吸作用。
在本发明的一种可选实施例中,所述无人机可以包括:多个冲洗气道13和多个抽吸气道14;其中,多个冲洗气道13在气罩12内可以均匀布置;多个抽吸气道14在气罩12内可以均匀布置;多个冲洗气道13和多个抽吸气道14可以交替布置。
在实际应用中,多个冲洗气道13在气罩12内均匀布置,可以使得作用在所述待清洁装置上的杂物的所述冲洗气流较为均匀,这样,就可以提高所述冲洗气流对于所述待清洁装置上的杂物的冲洗效果。多个抽吸气道14在气罩12内均匀布置;可以使得作用在气罩12内的杂物的所述负压气流较为均匀,这样,就可以提高所述负压气流对于气罩12内的杂物的冲洗效果。多个冲洗气道13和多个抽吸气道14可以交替布置,不仅可以增加气罩12内可以布置的冲洗气道13和抽吸气道14的数量,还可以增强冲洗气道13和抽吸气道14的协同作用效果,进而,可以提高所述无人机对于所述待清洁装置的清洁效率。
可以理解是的,本发明实施例所述的无人机中,冲洗气道13的数量可以为多个,抽吸气道14的数量也可以是多个。图2中仅示出了冲洗气道13的数量为2个的情况,而在实际应用中,冲洗气道13的数量还可以是其他的数量,例如,2个、4个或者6个等,本发明实施例对于冲洗气道13的具体数量不做限定。同理,图3中仅示出了抽吸气道14的数量为2个的情况,而在实际应用中,抽吸气道14的数量还可以是其他的数量,例如,2个、4个或者6个等,本发明实施例对于抽吸气道14的具体数量不做限定。
综上,本发明实施例所述的无人机至少具有以下优点:
本发明实施例中,所述冲洗气道内的冲洗气流可以对所述待清洁装置进行冲洗,将所述待清洁装置上的杂物冲洗至所述气罩内,不仅冲洗效率较高,还可以避免对所述待清洁装置表面的损伤。其次,由于所述抽吸气道内的负压气流可以将所述气罩内的杂物抽吸到所述抽吸气道内,完成对所述待清洁装置的清洁。此外,由于所述气罩与所述旋翼的位置相对,所述气罩可以用于将所述旋翼产生的旋翼气流导入所述气罩内,提高所述冲洗气流和所述抽 吸气流的工作效率。
最后,还需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者终端设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者终端设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者终端设备中还存在另外的相同要素。
以上对本发明实施例所提供的一种无人机,进行了详细介绍,本文中应用了具体个例对本发明的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本发明的方法及其核心思想;同时,对于本领域的一般技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本发明的限制。

Claims (10)

  1. 一种无人机,用于清洁待清洁装置,其特征在于,包括:机身、旋翼、气罩、冲洗气道以及抽吸气道;其中
    所述机身包括相对的第一侧和第二侧,所述旋翼设置于所述机身的第一侧;
    所述气罩设置于所述机身的第二侧,与所述旋翼的位置相对,用于将所述旋翼产生的旋翼气流设置在所述气罩内;
    所述冲洗气道设置于所述气罩内,与所述旋翼相对设置,用于将部分所述旋翼气流转变成高速的冲洗气流,将所述待清洁装置上的杂物冲洗至所述气罩内;
    所述抽吸气道设置于所述气罩内,与所述旋翼相对设置,用于将部分所述旋翼气流转变成负压气流,将所述气罩内的杂物抽吸到所述抽吸气道内。
  2. 根据权利要求1所述的无人机,其特征在于,所述抽吸气道上设有贯穿所述抽吸气道的侧壁的负压孔,所述抽吸气道通过所述负压孔将所述气罩内的杂物抽吸到所述抽吸气道内。
  3. 根据权利要求2所述的无人机,其特征在于,所述抽吸气道的侧壁包括外壁和内壁;其中
    所述负压孔依次贯穿所述外壁和所述内壁;
    所述负压孔包括输入侧和输出侧,所述输入侧设置于所述外壁上,所述输出侧设置于所述内壁上;
    所述输入侧的直径大于所述输出侧的直径。
  4. 根据权利要求1所述的无人机,其特征在于,所述冲洗气道包括相对的第一进气端和第一出气端;其中
    所述第一进气端与所述旋翼相对;
    所述第一进气端的直径大于所述第一出气端的直径。
  5. 根据权利要求1所述的无人机,其特征在于,所述抽吸气道包括相对的第二进气端和第二出气端;其中
    所述第二进气端与所述旋翼相对;
    所述第二进气端的直径大于所述第二出气端的直径。
  6. 根据权利要求3和5所述的无人机,其特征在于,所述负压孔的输入侧靠近所述抽吸气道的第二进气端,所述负压孔的输出侧靠近所述抽吸气道的第二出气端。
  7. 根据权利要求5所述的无人机,其特征在于,还包括:集尘装置;其中
    所述集尘装置与所述第二出气端连接,用于收集所述抽吸气道内的杂物。
  8. 根据权利要求1所述的无人机,其特征在于,包括:多个所述冲洗气道和多个所述抽吸气道;其中
    所述多个冲洗气道在所述气罩内均匀布置;
    所述多个抽吸气道在所述气罩内均匀布置;
    所述多个冲洗气道和所述多个抽吸气道交替布置。
  9. 根据权利要求1所述的无人机,其特征在于,所述气罩为可压缩结构。
  10. 根据权利要求1所述的无人机,其特征在于,还包括:风扇结构;其中
    所述风扇结构的出风面分别与所述冲洗气道、所述抽吸气道相对,所述风扇结构产生的风扇气流通过所述出风面分别进入所述冲洗气道、所述抽吸气道。
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