CN209875389U

CN209875389U - Wind turbine blade deicing device based on unmanned aerial vehicle

Info

Publication number: CN209875389U
Application number: CN201920596240.0U
Authority: CN
Inventors: 叶力斌; 魏校煜; 刘兴洪; 马丽娥; 周强; 胡长成; 施富强
Original assignee: HUIZE YEIG NEW ENERGY DEVELOPMENT Co Ltd
Current assignee: HUIZE YEIG NEW ENERGY DEVELOPMENT Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2019-12-31
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a wind turbine blade defroster based on unmanned aerial vehicle, including the unmanned aerial vehicle body, be provided with controller and hot blast subassembly on the unmanned aerial vehicle body, be provided with salt storage tank and mixing box on the unmanned aerial vehicle body, the bottom of salt storage tank is provided with out the salt mouth, goes out the salt mouth and communicates with each other with the mixing box, and goes out salt mouth department and be provided with unloading mechanism; the hot air blowing assembly comprises an air pump, the air pump is connected with an air pipe, the air pipe is communicated with one end of the mixing box, the other end of the mixing box is connected with a mixing pipe, an electric heating wire is arranged in the mixing pipe, and the air pump and the electric heating wire are controlled by a controller. This device utilizes the hot-blast subassembly to make hot-blastly, sneaks into salt powder simultaneously during hot-blastly, and salt plays the effect that reduces the melting point of ice, and the melting point reduces the back, and ice absorbs heat still less and just can melt to shorten hot-blast heating time to ice. Therefore, the utility model discloses can accelerate melting of ice, compare with the pure with hot-blast deicing, deicing speed is faster, and efficiency is higher.

Description

Wind turbine blade deicing device based on unmanned aerial vehicle

Technical Field

The utility model belongs to wind turbine generator system blade maintenance equipment field, especially a wind turbine generator system blade defroster based on unmanned aerial vehicle.

Background

The blades are important elements of the wind turbine generator, the phenomenon that the blades are frozen frequently occurs in areas with higher altitude and lower temperature, after the blades are frozen, the weight of the blades is increased, the balance is damaged, the generator set can be quickly damaged, the power generation efficiency and the service life of the generator set are influenced, and therefore, the blades which are frozen are very necessary to be deiced.

The traditional deicing mode is manual deicing, the operation is labor-consuming, the danger coefficient is higher, and the efficiency is low. Application number is 201721558495.5's utility model patent discloses a wind turbine generator system blade deicing unmanned aerial vehicle, this unmanned aerial vehicle and a well control room wireless communication who installs the processor module, this unmanned aerial vehicle includes: an unmanned aerial vehicle body provided with a plurality of rotor wings; the detection unit is arranged on the body of the unmanned aerial vehicle main body and used for acquiring atmospheric temperature and environmental humidity in real time; the image acquisition unit is arranged at the bottom of the unmanned aerial vehicle main body and used for acquiring the blade image data of the wind turbine generator; the control unit is electrically connected with the detection unit and the image acquisition unit and is used for sending the data acquired by the detection unit and the image acquisition unit to the central control room and receiving a deicing command fed back by the central control room; and the hot air blowing device is installed at the bottom of the unmanned aerial vehicle main body and electrically connected with the control unit to receive the control command of the control unit and perform hot air blowing. The deicing method adopting the unmanned aerial vehicle for deicing is simple to operate, the safety is guaranteed, and when the air temperature is low, the deicing method adopting hot air to heat and melt ice is low in efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a higher wind turbine generator system blade defroster based on unmanned aerial vehicle of deicing efficiency.

The purpose of the utility model is realized like this: a wind turbine blade deicing device based on an unmanned aerial vehicle comprises an unmanned aerial vehicle body, wherein a controller and a hot air blowing assembly are arranged on the unmanned aerial vehicle body,

the unmanned aerial vehicle body is provided with a salt storage tank and a mixing tank positioned below the salt storage tank, the bottom of the salt storage tank is provided with a salt outlet, the salt outlet is communicated with the mixing tank, and a blanking mechanism is arranged at the salt outlet;

the hot air blowing assembly comprises an air pump, the air pump is connected with an air pipe, the air pipe is communicated with one end of the mixing box, the other end of the mixing box is connected with a mixing pipe, an electric heating wire is arranged in the mixing pipe, and the air pump and the electric heating wire are controlled by a controller.

Further, the mixing pipe comprises a fixed pipe and an adjusting pipe, one end of the fixed pipe is connected with the mixing box, and the other end of the fixed pipe is inserted into the adjusting pipe and is in threaded fit with the adjusting pipe.

Furthermore, a plug is arranged at one end of the fixed pipe connected with the mixing box, a through hole is formed in the plug, the electric heating wire is spiral, and one end of the electric heating wire is fixed to the plug.

Furthermore, the outer wall of the fixed pipe is provided with a heat insulation layer.

Further, unloading mechanism includes the horizontally pivot, the salt mouth is sealed in the pivot, and the pivot outer wall that is located the salt mouth is provided with axial transfer tank, the one end of pivot is provided with the blade, tracheal gas outlet is just to the blade.

Further, the salt storage tank is a plastic tank, the air pipe is a rubber pipe, and the mixing pipe is a plastic pipe.

Further, one end of the mixing pipe, which is far away from the mixing box, is provided with an air nozzle.

Further, the outer wall of mixing tube is provided with the camera.

The utility model has the advantages that: the utility model discloses an unmanned aerial vehicle carries out the deicing, does not need artifical high altitude construction, and factor of safety is high, and convenient operation is simple. Utilize hot-blast subassembly to make hot-blastly, sneak into hot-blastly with salt powder simultaneously, salt can play the effect that reduces the melting point of ice, and after the melting point reduced, ice absorbed heat still less just can melt to shorten hot-blast heating time to ice, and practice thrift the energy consumption. Therefore, the utility model discloses can accelerate melting of ice, compare with the pure with hot-blast deicing, deicing speed is faster, and efficiency is higher.

Drawings

Fig. 1 is a schematic overall front view of the present invention.

Fig. 2 is a schematic view of a mixing tube.

Reference numerals: 1-unmanned aerial vehicle body; 2-a controller; 3-a salt storage tank; 4-a mixing box; 5, an air pump; 6-air pipe; 7-mixing tube; 71-a fixed tube; 72-a regulating tube; 73-plug; 74-heat insulation layer; 8, an electric heating wire; 9-a rotating shaft; 10-a transfer tank; 11-a blade; 12-a gas jet head; 13-Camera.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1, the utility model discloses a wind turbine generator system blade defroster based on unmanned aerial vehicle, including unmanned aerial vehicle body 1, be provided with controller 2 and hot blast subassembly on the unmanned aerial vehicle body 1, unmanned aerial vehicle body 1 can adopt the strong unmanned aerial vehicle of the load capacity of current various structures, for example unmanned aerial vehicle of oil-electricity hybrid etc. controller 2 is used for controlling hot blast subassembly's operation, concrete hardware refer to prior art can. The hot air blowing assembly is used for generating hot air, and blowing the hot air to the icing part of the blade to heat the ice so as to melt the ice, thereby achieving the aim of deicing. The principle and method for controlling the air pump and the electric heating wire by the controller and the selection of the types of required elements are all the prior art, and the selection of the hardware with the proper type according to the working condition can be realized by selecting the hardware with the proper type by a person skilled in the art.

Only adopt hot-blast the condition to the ice heating, efficiency is lower, and ice needs longer time to melt, consequently, is provided with on this unmanned aerial vehicle body 1 and stores up salt jar 3 and is located the mixing box 4 of storing up salt jar 3 below, and storage salt jar 3 is used for storing salt powder, and salt powder is the sodium chloride powder, stores up salt jar 3 and specifically can adopt plastic tank, light in weight. The bottom of the salt storage tank 3 is provided with a salt outlet which is used for discharging salt powder, the salt outlet is communicated with the mixing box 4, a discharging mechanism is arranged at the salt outlet and used for controlling the uniform discharge of the salt powder. The mixing box 4 is used for mixing salt powder and air, and is specifically a rectangular or cylindrical plastic box body.

The hot air blowing assembly comprises an air pump 5, the air pump 5 is connected with an air pipe 6, the air pipe 6 is communicated with one end of a mixing box 4, the other end of the mixing box 4 is connected with a mixing pipe 7, an electric heating wire 8 is arranged in the mixing pipe 7, and the air pump 5 and the electric heating wire 8 are controlled by a controller 2 in operation. The air pipe 6 and the mixing pipe 7 can be made of metal pipes, plastic pipes and the like, preferably, the air pipe 6 is made of rubber pipes, the weight is light, the flexible pipes are adopted, and pipe arrangement is convenient. The mixing pipe 7 is made of a plastic pipe, so that the weight is light, and the load of the unmanned aerial vehicle is reduced. The electric heating wire 8 is arranged in the mixing pipe 7, and cold air can be discharged immediately after being heated into hot air and used for deicing, so that the flow path of the hot air is shortened, and the heat loss is reduced.

The use process of the device is as follows: fly near the blade of generating set through remote controller control unmanned aerial vehicle body 1, the export that makes mixing tube 7 is close to and aims at the position that freezes of blade, then start air pump 5, switch-on electric heating wire 8, air pump 5 inhales the cold air in the external world, cold air passes through trachea 6 entering mixing box 4, and simultaneously, the salt powder in the storage salt jar 3 falls into mixing box 4 under the effect of unloading mechanism, salt powder gets into mixing tube 7 after mixing with wind, and spout the blade surface of wind-powered electricity generation group behind electric heating wire 8 heating. Because the salt powder is mixed in the hot air, the melting point of the ice can be reduced by the salt powder, and the ice can be melted by absorbing less heat after the melting point of the ice is reduced, so that the heating time of the hot air on the ice is shortened, and the energy consumption is saved. Therefore, the utility model discloses can accelerate melting of ice, compare with the pure with hot-blast deicing, deicing speed is faster, and efficiency is higher.

During deicing, the ice on the top of the blade of the wind turbine can be removed firstly from the top of the blade, and then the ice is sequentially removed from top to bottom, so that the condition of secondary icing on the lower part of the blade is avoided.

The mixing pipe 7 may be an integral pipe, and preferably, as shown in fig. 2, the mixing pipe 7 includes a fixed pipe 71 and an adjusting pipe 72, one end of the fixed pipe 71 is connected to the mixing box 4, the other end is provided with an external thread section, the external thread section is inserted into the adjusting pipe 72 and is in threaded fit with the adjusting pipe 72, and the inner wall of the adjusting pipe 72 is provided with an internal thread. By rotating the adjusting pipe 72, the fitting length of the adjusting pipe 72 with the fixed pipe 71 can be changed, thereby adjusting the entire length of the mixing pipe 7. The fixed pipe 71 may be screw-coupled with the mixing box 4.

The one end that fixed pipe 71 and mixing box 4 link to each other is provided with end cap 73, and end cap 73 can adopt the plastics end cap, and end cap 73 can with fixed pipe 71 threaded connection, also can with fixed pipe 71 interference fit, be provided with the through-hole on end cap 73, the wind that the salt powder was carried in the through-hole confession passes through, electric heating wire 8 is the spiral, increases the area of contact with the wind, improves heating efficiency, and electric heating wire 8's one end is fixed on end cap 73. The outer wall cover of electric heating wire 8 has the protective sheath, and the protective sheath is glass cover etc. for protection electric heating wire 8 prevents that electric heating wire 8 from receiving the corruption.

The inner wall of fixed pipe 71 and the outer wall of regulating pipe 72 all are provided with heat preservation 74, and common heat preservation materials such as foam can be adopted to heat preservation 74, play and reduce the radiating rate, improve the effect of heat utilization ratio.

Unloading mechanism can be the solenoid valve that is controlled by controller 2, in order to simplify the structure, unloading mechanism includes horizontally pivot 9, the salt mouth is sealed out in pivot 9, and the 9 outer walls of pivot that are located the salt mouth are provided with axial transfer tank 10, the one end of pivot 9 is provided with flabellum 11, trachea 6's gas outlet is just to flabellum 11. Pivot 9 and flabellum 11 do not have connection power unit, moreover, the steam generator is simple in structure, after cold wind passes through trachea 6 and gets into mixing box 4, blow to flabellum 11, flabellum 11 rotates under the effect of wind force, thereby drive pivot 9 and rotate, when the upper portion of pivot 9 upper transfer tank 10 motion to pivot 9, transfer tank 10 is located out the salt mouth, salt powder entering transfer tank 10 in the salt mouth goes out, when transfer tank 10 moves to the lower part of pivot 9, salt powder in the transfer tank 10 falls into mixing box 4, then mix the back with wind and get into mixing tube 7. The number of the transfer grooves 10 may be one, 2, 3, or the like.

The one end that mixing box 4 was kept away from to mixing tube 7 is provided with jet 12, and jet 12 can be with the blade of hot-blast dispersion back injection wind-powered electricity generation unit, improves heating area.

The outer wall of hybrid tube 7 is provided with camera 13, and camera 13 can adopt the network camera for shoot the deicing picture, and operating personnel can know the deicing condition, helps finding the position that freezes of blade fast.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a wind turbine generator system blade defroster based on unmanned aerial vehicle, includes unmanned aerial vehicle body (1), be provided with controller (2) and hot blast subassembly on unmanned aerial vehicle body (1), its characterized in that: the unmanned aerial vehicle comprises an unmanned aerial vehicle body (1), and is characterized in that a salt storage tank (3) and a mixing box (4) positioned below the salt storage tank (3) are arranged on the unmanned aerial vehicle body (1), a salt outlet is formed in the bottom of the salt storage tank (3), the salt outlet is communicated with the mixing box (4), and a blanking mechanism is arranged at the salt outlet; the hot air blowing assembly comprises an air pump (5), the air pump (5) is connected with an air pipe (6), the air pipe (6) is communicated with one end of a mixing box (4), the other end of the mixing box (4) is connected with a mixing pipe (7), an electric heating wire (8) is arranged in the mixing pipe (7), and the air pump (5) and the electric heating wire (8) are controlled by a controller (2).

2. The unmanned aerial vehicle-based wind turbine blade deicing device according to claim 1, characterized in that: mixing tube (7) are including fixed pipe (71) and regulation pipe (72), the one end of fixed pipe (71) links to each other with mixing box (4), and the other end inserts in regulation pipe (72) and with regulation pipe (72) screw-thread fit.

3. The unmanned aerial vehicle-based wind turbine blade deicing device according to claim 2, wherein: the mixing box is characterized in that a plug (73) is arranged at one end, connected with the mixing box (4), of the fixing pipe (71), a through hole is formed in the plug (73), the electric heating wire (8) is spiral, and one end of the electric heating wire is fixed to the plug (73).

4. The unmanned aerial vehicle-based wind turbine blade deicing device according to claim 2, wherein: and the inner wall of the fixed pipe (71) and the outer wall of the adjusting pipe (72) are both provided with heat-insulating layers (74).

5. The unmanned aerial vehicle-based wind turbine blade deicing device according to claim 1, characterized in that: unloading mechanism includes horizontally pivot (9), salt mouth is sealed in pivot (9), and the pivot (9) outer wall that is located salt mouth is provided with axial transfer tank (10), the one end of pivot (9) is provided with flabellum (11), the gas outlet of trachea (6) is just to flabellum (11).

6. The unmanned aerial vehicle-based wind turbine blade deicing device according to claim 1, characterized in that: the salt storage tank (3) is a plastic tank, the air pipe (6) is a rubber pipe, and the mixing pipe (7) is a plastic pipe.

7. The unmanned aerial vehicle-based wind turbine blade deicing device according to claim 1, characterized in that: and one end of the mixing pipe (7) far away from the mixing box (4) is provided with an air nozzle (12).

8. The unmanned aerial vehicle-based wind turbine blade deicing device according to claim 1, characterized in that: the outer wall of the mixing pipe (7) is provided with a camera (13).