CN218806503U

CN218806503U - Unmanned aerial vehicle water spray transmission system

Info

Publication number: CN218806503U
Application number: CN202223268470.5U
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: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-04-07
Anticipated expiration: 2032-12-07

Abstract

The utility model relates to a fire-extinguishing apparatus field specifically discloses an unmanned aerial vehicle water spray transmission system, including the spray gun and the backstepping fan of unmanned aerial vehicle body, rectangular shape, the bottom of unmanned aerial vehicle body is provided with the mounting bracket and through mounting bracket suspension spray gun, sets up the backstepping fan on spray gun or the mounting bracket. The thrust generated when the reverse thrust fan rotates is opposite to the thrust generated when the spray gun sprays, and the rotating speed of the reverse thrust fan is positively correlated with the spraying speed of the spray gun. The recoil force generated when the spray gun sprays is offset by the recoil fan, so that the unmanned aerial vehicle body can fly stably; because the spray gun size is longer, the reverse thrust fan can be installed at the afterbody of spray gun, and the thrust direction of reverse thrust fan is the same with the axis direction of spray gun always, no matter what direction adjustment angle the spray gun was towards this moment, the reverse thrust fan also can follow the spray gun swing passively, adapt to new angle.

Description

Unmanned aerial vehicle water spray transmission system

Technical Field

The utility model belongs to the fire-extinguishing equipment field, in particular to unmanned aerial vehicle water spray transmission system.

Background

Along with unmanned aerial vehicle technique's development, it relies on the flexibility to have brought the facility for aerial delivery, geological survey, agricultural kill, fire control extinguishment etc. this application scheme uses fire control to put out a fire as the example. With the rapid development of high-rise buildings in China from cities to counties, although dense houses and office buildings have fire-fighting passages and fire-fighting wells, fire trucks and aerial ladders thereof also have regions which cannot be reached, and parts of the fire trucks and aerial ladders even need to go deep into a fire scene for fire extinguishment, and meanwhile, adverse factors such as high-concentration carbon dioxide, building collapse, combustible substance explosion and the like exist in the fire scene, so that great difficulty is brought to fire extinguishment and rescue, and great loss is brought to property.

Common unmanned aerial vehicle mode of putting out a fire carries the shower nozzle for unmanned aerial vehicle and takes off, directly sets up the water tank in unmanned aerial vehicle or ground carrier retaining and send the shower nozzle of top to through the hose with the water pump, no matter what kind of mode of adoption, unmanned aerial vehicle all relies on the shower nozzle to jet into the scene of a fire with water. Can produce great reaction force when owing to the high-pressure squirt sprays water, lead to unmanned aerial vehicle unstability, produce easily and rock, the operator is difficult to operate unmanned aerial vehicle.

The above background disclosure is only provided as an aid to understanding the inventive concept and solutions of the present invention, and it does not necessarily belong to the prior art of this patent application, and it should not be used to evaluate the novelty and inventive step of this application without explicit evidence to show that the above contents are already disclosed at the filing date of this patent application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unmanned aerial vehicle water spray transmission system that the process of putting out a fire can fly steadily.

In order to achieve the above object, the utility model provides an unmanned aerial vehicle water spray transmission system, but including the unmanned aerial vehicle body of remote control takeoff, descending, the system still includes: the utility model discloses a thrust that the unmanned aerial vehicle body was used to the air blast, including the spray gun, the spray gun of mounting bracket, rectangular shape and reverse thrust fan, the upside of mounting bracket with the bottom fixed connection of unmanned aerial vehicle body, the downside of mounting bracket is connected the spray gun, the unmanned aerial vehicle body takes off or carries when descending the mounting bracket with the spray gun, reverse thrust fan is fixed in the mounting bracket or the afterbody of spray gun, the thrust that produces when reverse thrust fan is rotatory with the thrust that produces when the spray gun sprays is opposite, reverse thrust fan's rotational speed with the jet velocity positive correlation of spray gun.

As an improvement of the above scheme, work as the thrust reversal fan install in the afterbody of spray gun, the mounting bracket with be connected through the ball pivot between the spray gun, the spray gun can freely swing around the ball pivot position, the spray gun with between the mounting bracket or with be provided with between the unmanned aerial vehicle body and adjust the telescopic link, through adjust telescopic link active control inclination in the at least one dimension of spray gun.

As an improvement of the scheme, the number of the adjusting telescopic rods is two, and the two adjusting telescopic rods are arranged at an acute angle, so that the two adjusting telescopic rods are matched with each other to stretch and then adjust the direction of the spray gun in two dimensions.

As an improvement of the scheme, the joint of the mounting frame and the spray gun is positioned at the gravity center position of the spray gun.

As the improvement of above-mentioned scheme, be provided with on the unmanned aerial vehicle body for the water tank and the water pump that the spray gun supplied water.

As an improvement of the scheme, the spray gun is connected to a water tank arranged on the carrier and a water pump thereof through a hose.

As the improvement of above-mentioned scheme, the outside of hose is provided with the power supply line, the unmanned aerial vehicle body acquires the electric energy from battery or the generator that the carrier carried.

The utility model discloses following beneficial effect has: the scheme adds the recoil fan newly, so offset the recoil force when the spray gun sprays to guarantee the unmanned aerial vehicle body and fly steadily. Because the spray gun size is longer, the thrust direction that pushes away the fan can be installed in the one side of keeping away from the spray gun jet orifice, and the thrust direction that pushes away the fan is the same with the axis direction of spray gun, no matter which direction adjustment angle the spray gun was towards this moment, the thrust direction that pushes away the fan also can be followed the spray gun swing passively, adapts to new angle.

Drawings

Fig. 1 is a side schematic view of an embodiment of a drone body;

fig. 2 is a schematic front view of an embodiment of a drone body;

FIG. 3 is a schematic diagram of a complete system, under an embodiment.

Description of reference numerals: 10. an unmanned aerial vehicle body; 21. a mounting frame; 22. a spray gun; 23. a reverse thrust fan; 24. adjusting the telescopic rod; 31. a carrier; 32. a hose.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "top surface", "bottom surface", "inside", "outside", "inner side", "outer side", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. The terms "first", "second" and "third", if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying relative importance or implying a number of indicated technical features or a precedence of indicated technical features.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Next, an embodiment of the present invention will be described with reference to the overall structure thereof.

Referring to fig. 1 to 3, the utility model discloses an unmanned aerial vehicle water spray transmission system, but unmanned aerial vehicle body 10 of remote control takeoff, descending. The unmanned aerial vehicle body 10 comprises at least four propellers for generating lift force, and the propellers are uniformly distributed around the unmanned aerial vehicle body according to the prior art; the inside of unmanned aerial vehicle body 10 is provided with battery, cooling system, control system, communication interactive system, the bottom of unmanned aerial vehicle body 10 is provided with the landing leg. In this scheme, unmanned aerial vehicle body 10 can replace as required as the flight carrier.

The system further comprises: mounting bracket 21, the spray gun 22 and the backstepping fan 23 of rectangular shape, the upside of mounting bracket 21 with the bottom fixed connection of unmanned aerial vehicle body 10, the downside of mounting bracket 21 is connected spray gun 22, carry when unmanned aerial vehicle body 10 takes off or lands mounting bracket 21 with spray gun 22. As shown in fig. 1 and 2, the mounting frame 21 is a vertical rod; in other aspects, the mounting frame 21 may be a cubic frame structure. A plurality of mounting holes are reserved in the bottom of the unmanned aerial vehicle body 10, and the mounting frame 21 is fixed through bolts. The reverse fan 23 is fixed to the mounting frame 21 or the tail of the spray gun 22, the thrust generated when the reverse fan 23 rotates is opposite to the thrust generated when the spray gun 22 sprays, the rotating speed of the reverse fan 23 is positively correlated with the jet speed of the spray gun 22, that is, the longer the water spraying distance of the spray gun 22 is, the higher the rotating speed of the reverse fan 23 is.

In one solution, the thrust fan 23 is fixed to the mounting frame 21, and since the position of the mounting frame 21 is not changed, the position of the thrust fan 23 cannot be changed. Correspondingly, the spray gun 22 is also fixedly connected.

As an improvement of the above scheme, when the reverse-thrust fan 23 is installed in the afterbody of spray gun 22, mounting bracket 21 with be connected through the ball pivot between the spray gun 22, spray gun 22 can freely swing around the ball pivot position, spray gun 22 with be provided with between the mounting bracket 21 or with between the unmanned aerial vehicle body 10 and adjust telescopic link 24, through adjust telescopic link 24 active control the inclination in at least one dimension of spray gun 22. For example, after the adjusting telescopic rod 24 arranged vertically stretches in the vertical direction, the head of the spray gun 22 can be pulled to swing up and down; when the ignition point needs to be aimed at, the posture of the unmanned aerial vehicle body 10 needs to be adjusted adaptively.

As an improvement of the above scheme, two adjusting telescopic rods 24 are provided, and an acute angle is formed between the two adjusting telescopic rods 24, so that the two adjusting telescopic rods 24 cooperate to extend and retract to adjust the orientation of the spray gun 22 in two dimensions. As shown in FIG. 2, the head of the lance 22 can move up and down and left and right in the direction of the paper, so as to adjust the angle and better and more flexibly align the ignition point.

As a modification of the above solution, the joint between the mounting bracket 21 and the spray gun 22 is located at the center of gravity of the spray gun 22. By adopting the scheme, the driving force for adjusting the telescopic rod 24 can be reduced, the model selection difficulty for adjusting the telescopic rod 24 is reduced, and the model selection cost is reduced.

As the improvement of above-mentioned scheme, be provided with on the unmanned aerial vehicle body 10 for the water tank and the water pump that spray gun 22 supplied water. In this kind of scheme, the takeoff weight of unmanned aerial vehicle body 10 is great, but can get into the floor in a flexible way.

As a modification of the above, the spray gun 22 is connected to a water tank and its water pump provided in the vehicle 31 through a hose 32. The outside of hose 32 is provided with the power supply line, unmanned aerial vehicle body 10 acquires the electric energy from the battery or the generator that carrier 31 carried. By adopting the scheme, the unmanned aerial vehicle can fly for a long time and can extinguish fire by spraying water; when the drone body 10 descends, the hose 32 is reeled in by the swivel.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention 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 certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. The utility model provides an unmanned aerial vehicle water spray transmission system, but including the unmanned aerial vehicle body of remote control takeoff, descending, its characterized in that system still includes: the utility model discloses a thrust that the unmanned aerial vehicle body was used to the air blast, including the spray gun, the spray gun of mounting bracket, rectangular shape and reverse thrust fan, the upside of mounting bracket with the bottom fixed connection of unmanned aerial vehicle body, the downside of mounting bracket is connected the spray gun, the unmanned aerial vehicle body takes off or carries when descending the mounting bracket with the spray gun, reverse thrust fan is fixed in the mounting bracket or the afterbody of spray gun, the thrust that produces when reverse thrust fan is rotatory with the thrust that produces when the spray gun sprays is opposite, reverse thrust fan's rotational speed with the jet velocity positive correlation of spray gun.

2. The unmanned aerial vehicle waterjet transmission system of claim 1, wherein: work as the reverse thrust fan install in the afterbody of spray gun, the mounting bracket with connect through the ball pivot between the spray gun, the spray gun can freely swing around ball pivot position, the spray gun with between the mounting bracket or with be provided with the regulation telescopic link between the unmanned aerial vehicle body, through adjust telescopic link active control inclination in the at least one dimension of spray gun.

3. The unmanned aerial vehicle waterjet transmission system of claim 2, wherein: the adjusting telescopic rods are two in number, and the adjusting telescopic rods are arranged at acute angles, so that the adjusting telescopic rods are matched with each other to stretch and then adjust the direction of the spray gun in two dimensions.

4. The unmanned aerial vehicle waterjet transmission system of claim 3, wherein: the connection position of the mounting frame and the spray gun is located at the gravity center position of the spray gun.

5. The unmanned aerial vehicle waterjet transmission system of any one of claims 1 to 4, wherein: be provided with on the unmanned aerial vehicle body and do water tank and water pump that the spray gun supplied water.

6. The unmanned aerial vehicle waterjet transmission system of any one of claims 1 to 4, wherein: the spray gun is connected to a water tank arranged on the carrier and a water pump thereof through a hose.

7. The unmanned aerial vehicle waterjet transmission system of claim 6, wherein: the outside of hose is provided with the power supply line, the unmanned aerial vehicle body acquires the electric energy from battery or the generator that the carrier carried.