CN219115714U

CN219115714U - Fire-extinguishing unmanned aerial vehicle for forest area

Info

Publication number: CN219115714U
Application number: CN202320035169.5U
Authority: CN
Inventors: 尹彬; 尹光龙; 宋湘永
Original assignee: Guangxi Daxiong Eagle Technology Co ltd
Current assignee: Guangxi Daxiong Eagle Technology Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-06-02
Anticipated expiration: 2033-01-06

Abstract

The utility model relates to the field of unmanned aerial vehicles, and particularly discloses a fire extinguishing unmanned aerial vehicle in a forest area, which comprises an unmanned aerial vehicle body, a lifting unit and a lifting support, wherein a dry powder storage is detachably arranged at the bottom of the unmanned aerial vehicle body, a discharge port, a winding motor, a discharge pipe and a stay wire are arranged at the bottom of the dry powder storage, and the winding motor can adjust the discharge pipe to vertically extend or fold and retract through the stay wire; when the winding motor releases the stay wire, the discharge pipe is used for prolonging the discharge hole in a state of recovering the vertical extension under the guidance of gravity, so that the dry powder is closer to the ignition point after being discharged, the fire extinguishing efficiency is improved, when the winding motor winds and withdraws the stay wire, the discharge pipe is pulled and folded to be in a storage state, the storage volume is small, and the self-flying of the fire extinguishing unmanned aerial vehicle can not be interfered.

Description

Fire-extinguishing unmanned aerial vehicle for forest area

Technical Field

The utility model belongs to the field of unmanned aerial vehicles, and particularly relates to a fire-extinguishing unmanned aerial vehicle in a forest area.

Background

Unmanned aerial vehicle is widely used in military, police and civil fields as a new product, for example, various airborne equipment is installed on an unmanned aerial vehicle flight platform, and functions of mapping, reconnaissance, electric power inspection, fire control and the like are realized, including the forest fire prevention field to be mentioned below. In a forest area, the topography is complex, a large number of branches and leaves obstruct the unmanned aerial vehicle to fly and put in the dry powder extinguishing agent, so that the unmanned aerial vehicle can only hover at a higher position, and in this case, the unmanned aerial vehicle puts in the dry powder extinguishing agent at the height. Because of higher throwing height, the dry powder extinguishing agent is easy to be interfered by ascending hot air flow and wind, so that the throwing precision is reduced, and the powder cannot accurately reach and cover the ignition point.

The foregoing background is only for the purpose of providing an understanding of the inventive concepts and technical aspects of the present utility model and is not necessarily prior art to the present application and is not intended to be used to evaluate the novelty and creativity of the present application in the event that no clear evidence indicates that such is already disclosed at the filing date of the present application.

Disclosure of Invention

The utility model aims to provide a fire-extinguishing unmanned aerial vehicle for a forest area with more accurate bullet throwing.

In order to achieve the above purpose, the utility model provides a fire-extinguishing unmanned aerial vehicle for a forest area, which comprises an unmanned aerial vehicle body, wherein at least four groups of lifting units are arranged on the periphery of the upper side of the unmanned aerial vehicle body, and a lifting bracket is arranged on the lower side of the unmanned aerial vehicle body. The bottom of the unmanned aerial vehicle body is detachably provided with a dry powder storage, the bottom of the dry powder storage is provided with a discharge port and an electric valve thereof, the bottom of the discharge port is provided with a flexible discharge pipe capable of bending and deforming, the bottom of the unmanned aerial vehicle body or the bottom of the dry powder storage is provided with a winding motor and a pull wire thereof, one end of the pull wire is connected with the output end of the winding motor, and the other end of the pull wire is uniformly connected with the discharge pipe; when the winding motor releases the stay wire, the discharge pipe is restored to a vertically extending state under the guidance of gravity and is used for extending the discharge port, so that the dry powder is closer to a firing point after being discharged, and when the winding motor winds and withdraws the stay wire, the discharge pipe is pulled and folded to be in a storage state.

As an improvement of the scheme, the bottom of the discharge pipe is provided with a ring-shaped balancing weight, and the periphery of the bottom of the discharge pipe is uniformly wrapped around the balancing weight.

As an improvement of the above solution, the discharge tube itself is made of an elastic cloth or a foldable bellows material, which reduces the volume of outward bulging when the discharge tube is folded by the pull wire.

As an improvement of the scheme, the discharge pipe is made of high-temperature resistant materials or is coated with a high-temperature resistant coating on the surface.

As the improvement of above-mentioned scheme, the bin outlet with the side of row material pipe is provided with a plurality of annular pull ring in different height, the pull wire runs through in proper order behind the pull ring be connected to the balancing weight.

As an improvement of the above scheme, the unmanned aerial vehicle body further comprises a controller, wherein the controller is electrically connected with the lifting unit and the electric valve, and the electric valve is remotely controlled to be opened or closed so as to release the dry powder in the dry powder storage.

The utility model has the following beneficial effects: after the unmanned aerial vehicle puts out a fire through the winding motor release discharge pipe, the extension scheme of discharge pipe as the bin outlet makes it be close to the ignition more, reduces the interference that the dry powder received various air currents for the dry powder can fall in the ignition more accurately, improves fire extinguishing efficiency. The material discharging pipe can be deformed and folded, the volume occupied by the wire after the wire is folded is small, the unmanned aerial vehicle body is convenient to carry, and the self-flying cannot be influenced.

Drawings

FIG. 1 is a block diagram of a fire suppression unmanned aerial vehicle extending out of a discharge pipe under an embodiment;

FIG. 2 is a block diagram of the connection area of a drop wire and a discharge tube according to one embodiment;

fig. 3 is a block diagram of a fire extinguishing unmanned aerial vehicle retracting discharge pipe according to an embodiment.

Reference numerals illustrate: 11. an unmanned aerial vehicle body; 12. a lift unit; 13. a lifting support; 21. a dry powder reservoir; 22. a winding motor; 23. a discharge port; 24. a discharge pipe; 31. a pull wire; 32. a pull ring; 33. and (5) balancing weights.

Detailed Description

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The terms "first," "second," "third," and the like, if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

Referring to fig. 1 to 3, the utility model discloses a fire extinguishing unmanned aerial vehicle for a forest area, which comprises an unmanned aerial vehicle body 11, wherein at least four groups of lifting units 12 are arranged on the periphery of the upper side of the unmanned aerial vehicle body 11, and a lifting bracket 13 is arranged on the lower side of the unmanned aerial vehicle body 11. The lifting unit 12 comprises a motor and a propeller, and the motor drives the propeller to rotate to realize take-off. The landing gear 13 is provided as four inclined bars.

The bottom of the unmanned aerial vehicle body 11 is detachably provided with a dry powder storage 21; the detachable structure comprises a first hanging frame arranged on the unmanned aerial vehicle body 11 and a second hanging frame arranged on the upper side of the dry powder storage 21, and the first hanging frame and the second hanging frame are connected through a bolt group. The dry powder storage 21 is of a box-shaped structure, a discharge opening 23 and an electric valve thereof are arranged at the bottom of the dry powder storage 21, a flexible discharge pipe 24 capable of bending and deforming is arranged at the bottom of the discharge opening 23, a winding motor 22 and a pull wire 31 thereof are arranged at the bottom of the unmanned aerial vehicle body 11 or the bottom of the dry powder storage 21, one end of the pull wire 31 is connected with the output end of the winding motor 22, and the other end of the pull wire 31 is uniformly connected with the discharge pipe 24. When the winding motor 22 releases the pull wire 31, the discharge pipe 24 is restored to a vertically extended state under the guidance of gravity for extending the discharge port 23, so that the dry powder can be closer to the ignition point after being discharged even if the unmanned aerial vehicle body 11 hovers at a higher height, the unmanned aerial vehicle body 11 does not need to be close to a heat source, and the safety is ensured; when the winding motor 22 winds and withdraws the pull wire 31, the discharge pipe 24 is pulled and folded to be in a storage state, as shown in fig. 3, the vertical length of the lifting bracket 13 is greater than the height of the dry powder storage 21 and the discharge pipe 24 thereof, so that a sufficient accommodating space exists below the unmanned aerial vehicle body 11, and the unmanned aerial vehicle body is prevented from directly contacting the ground.

As shown in fig. 1, the rotating end of the winding motor 22 is located at a side close to the discharge opening 23, so that the pulling wire 31 is kept as vertical as possible during the expansion and contraction process.

As an improvement of the above solution, the bottom of the discharge pipe 24 is provided with a ring-shaped balancing weight 33, and the peripheral edge of the bottom of the discharge pipe 24 is uniformly wrapped around the balancing weight 33. In use, the weight 33 straightens the discharge tube 24 to assist in the passage of dry powder from the middle of the weight 33.

As an improvement of the above-mentioned scheme, the discharging pipe 24 is made of elastic cloth or foldable corrugated pipe material, and when the discharging pipe 24 is folded by the pull wire 31, a part of the volume is naturally folded, so that the volume which is bulged outwards is reduced.

As a modification of the above, the discharge pipe 24 is made of a high temperature resistant material or is surface-coated with a high temperature resistant coating. With the above arrangement, the discharge pipe 24 is conveniently located close to the heat source.

As an improvement of the above solution, the sides of the discharge opening 23 and the discharge pipe 24 are provided with a plurality of ring-shaped pull rings 32 at different heights, and the pull wires 31 sequentially penetrate through the pull rings 32 and then are connected to the balancing weights 33. As shown in fig. 2, the pull wire 31 can slide freely within the pull ring 32.

As an improvement of the above-mentioned scheme, the unmanned aerial vehicle body 11 further includes a controller electrically connected to the lift unit 12 and the electric valve, and the electric valve is remotely controlled to be opened or closed so as to release the dry powder inside the dry powder reservoir 21.

The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims

1. The utility model provides a forest area's unmanned aerial vehicle of putting out a fire, includes the unmanned aerial vehicle body, the upside of unmanned aerial vehicle body is provided with four sets of lift units all around at least, the downside of unmanned aerial vehicle body is provided with the support that rises and falls, its characterized in that, the bottom of unmanned aerial vehicle body detachably is provided with the dry powder accumulator, the bottom of dry powder accumulator is provided with bin outlet and motorised valve, the bottom of bin outlet is provided with flexible row's material pipe of flexible deformation of buckling, the bottom of unmanned aerial vehicle body or the bottom of dry powder accumulator is provided with rolling motor and acting as go-between thereof, the one end of acting as go-between is connected the output of rolling motor, another section of acting as go-between is evenly connected row's material pipe; when the winding motor releases the stay wire, the discharge pipe is restored to a vertically extending state under the guidance of gravity and is used for extending the discharge port, so that the dry powder is closer to a firing point after being discharged, and when the winding motor winds and withdraws the stay wire, the discharge pipe is pulled and folded to be in a storage state.

2. The fire fighting unmanned aerial vehicle for a forest area of claim 1, wherein: the bottom of the material discharging pipe is provided with a ring-shaped balancing weight, and the periphery of the bottom of the material discharging pipe is uniformly wrapped around the balancing weight.

3. The fire fighting unmanned aerial vehicle for a forest area of claim 2, wherein: the discharge tube itself is made of an elastic cloth or a foldable bellows material, which reduces the volume of outward bulging when the discharge tube is folded by the pull wire.

4. A fire fighting unmanned aerial vehicle for a forest area according to claim 3, wherein: the discharge pipe is made of high-temperature resistant materials or is coated with a high-temperature resistant coating on the surface.

5. A fire fighting unmanned aerial vehicle for a forest area according to claim 3, wherein: the side of bin outlet with arrange the material pipe is provided with a plurality of ring-shaped pull ring at co-altitude, guy wire runs through in proper order the pull ring back is connected to the balancing weight.

6. The fire fighting unmanned aerial vehicle for a forest area of claim 1, wherein: the unmanned aerial vehicle body still includes the controller, the controller electricity is connected lift unit with the motorised valve, thereby the remote control the motorised valve opens or closes the release the inside dry powder of dry powder storage.