Wind turbine generator cabin cover with multiple protection structures

Abstract

The utility model relates to a wind turbine generator cabin cover with a multi-protection structure, and aims to solve the technical problems that the speed of air flow replacement in the current wind turbine generator cabin cover with the multi-protection structure is slow, air entering the wind turbine generator cabin cover is not dehumidified and dedusted, and a dehumidification cotton layer cannot be automatically dehumidified. Comprising a cabin cover shell, the top end of the cabin cover shell is fixedly connected with a sealing box, one end of the sealing box is connected with an annular air guide pipe through a connecting cover, a plurality of air blowing heads are evenly installed on the annular air guide pipe, and the interior of the sealing box is connected with an air blowing fan and a servo motor through an installation frame; according to the wind turbine generator cabin cover, airflow in the wind turbine generator cabin cover can be rapidly replaced, the phenomenon that internal parts are damaged due to the fact that the internal temperature or humidity of the wind turbine generator cabin cover is too high is avoided, and the protection effect of the wind turbine generator cabin cover on the internal parts in the using process is improved.

Description

Technical Field

[0001] The utility model relates to the field of wind turbine cabins, in particular to a wind turbine cabin cover with a multiple protection structure. Background Art

[0002] A wind turbine nacelle is a protective shell for a wind turbine. The reliability of a wind turbine nacelle usually determines the stability and service life of the wind turbine. Usually, a wind turbine nacelle is made of glass fiber reinforced plastic. As an important component of a wind turbine, it enables the wind turbine to work normally in harsh meteorological environments.

[0003] According to the published patent 202311669854.4, a wind turbine nacelle cover with multiple protection functions includes a wind turbine nacelle cover, a maintenance door is arranged on the top of the wind turbine nacelle cover, a heat dissipation slot is opened in the wind turbine nacelle cover, a heat dissipation frame is embedded in the inner cavity of the heat dissipation slot, the heat dissipation frame is provided with a protection mechanism and a closing mechanism, a dehumidification mechanism is arranged on the other side of the heat dissipation frame, the protection mechanism includes a fixed frame and a protection frame, the protection frame is connected to the heat dissipation frame through the fixed frame, and a protection net is embedded in the inner cavity of the protection frame. In the process of realizing the utility model, the inventor found that at least the following problems in the prior art have not been solved, through the fixed frame, the protection frame, the mounting frame, the mounting block, and the fixing frame The connection rod, the first spring, the pulling plate and the protective net are arranged in a coordinated manner. The connection rod drives the mounting block to limit the relative position of the mounting frame and the heat dissipation frame to solve the problem of rainwater entering the wind turbine nacelle. During use, the airflow inside the wind turbine nacelle with a traditional multiple protection structure is replaced at a relatively slow speed. The temperature or humidity inside the wind turbine nacelle is too high, which causes the internal components to be easily damaged. Moreover, the air entering the wind turbine nacelle is not dehumidified and dust-removed. The external humid air and mixed dust enter the wind turbine nacelle and easily cause secondary damage to its internal components. The dehumidification cotton layer cannot be automatically dehumidified. For this reason, a new technical solution needs to be designed to solve the problem. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, meet actual needs, and provide a wind turbine nacelle cover with a multiple protection structure to solve the technical problems that the airflow replacement speed inside the wind turbine nacelle cover with a multiple protection structure is relatively slow, the air entering the wind turbine nacelle cover is not dehumidified and dust-removed, and the dehumidification cotton layer cannot be automatically dehumidified.

[0005] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is as follows: a wind turbine nacelle cover with a multiple protection structure is designed, including a nacelle cover shell, a sealing box is fixedly connected to the top of the nacelle cover shell, one end of the sealing box is connected to an annular air duct through a connecting cover, and a plurality of blowing heads are evenly installed on the annular air duct, the interior of the sealing box is connected to a blowing fan and a servo motor through a mounting frame, one side of the blowing fan is connected to an infrared transmitter through a supporting plate, infrared receivers are respectively installed at both ends of the interior of the sealing box, a heating tube is fixedly connected to the top of the interior of the sealing box, a heating wire is installed inside the heating tube, and electrical connectors are installed at both ends of the heating wire, the other end of the sealing box is connected to a shielding top through an air intake pipe, one end of the air intake pipe is sealed and connected to the top of the sealing box and communicates with the interior thereof, two dehumidification cotton layers are fixedly connected to the interior of the air intake pipe, and two second humidity sensors are installed on the outside of the air intake pipe, wherein the detection ends of the two second humidity sensors are located inside the two dehumidification cotton layers.

[0006] Preferably, a heat dissipation slot is provided at one end of the nacelle cover shell, an exhaust fan is covered on the periphery of the heat dissipation slot, and two temperature sensors and two first humidity sensors are installed in an interlaced manner inside the nacelle cover shell.

[0007] Preferably, the exhaust fan, the temperature sensor and the first humidity sensor are electrically connected to a controller via wires, respectively, and the controller is electrically connected to the servo motor, the blowing fan, the heating tube, the infrared transmitter and the infrared receiver via wires.

[0008] Preferably, one end of the connection cover is sealed and connected to one end of the sealing box and communicates with the interior thereof, and the other end of the connection cover is sealed and connected to one end of the annular air duct and communicates with the interior thereof.

[0009] Preferably, one end of the mounting bracket is rotatably connected to the inner wall of the sealing box, the middle of the mounting bracket is fixedly connected to the outside of the blowing fan, and the other end of the mounting bracket is fixedly connected to the output end of the servo motor.

[0010] Preferably, one end of the support plate is fixedly connected to one side of the blowing fan, one end of the infrared transmitter is fixedly connected to the other end of the support plate, the transmitting end of the infrared transmitter corresponds to the receiving end of the infrared receiver, and the infrared receiver is fixedly connected to both ends inside the sealed box.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The utility model combines an exhaust fan, a temperature sensor, a first humidity sensor, a controller, an annular air guide duct, an air blowing head, a air blowing fan, a servo motor, an infrared transmitter, a heating tube, an infrared receiver, an air intake pipe, a dehumidification cotton layer and a second humidity sensor. When the temperature or humidity inside the nacelle cover of the wind turbine generator set reaches the detection range of the temperature sensor or the first humidity sensor, the controller will control the exhaust fan and the air blowing fan to operate. At this time, the exhaust fan will draw the internal hot air or moisture to the outside, and the air blowing fan will blow air into the connection cover, and the connection cover will then transport the wind to the inside of the annular air guide duct, and the air will be blown out by the air blowing head, so that the airflow inside the nacelle cover of the wind turbine generator set can be quickly replaced, avoiding the phenomenon that the internal components of the nacelle cover of the wind turbine generator set are damaged due to excessive temperature or humidity inside the nacelle cover, and improving the protection effect of the nacelle cover of the wind turbine generator set on its internal components during use;

[0013] When the fan blows air into the wind turbine nacelle, the outside air will enter the air intake pipe, and the dehumidification cotton layer will dehumidify and remove dust from the air entering the wind turbine nacelle, so as to prevent the outside humid air and mixed dust from entering the wind turbine nacelle and causing secondary damage to its internal components;

[0014] When the humidity of the dehumidification cotton layer reaches the detection range of the second humidity sensor, the controller will control the servo motor to operate, and the servo motor will drive the blowing fan on the mounting bracket to flip over. When the infrared receiver receives the signal sent by the infrared transmitter, the servo motor stops operating, and the controller controls the heating wire in the heating tube to energize and heat it, and controls the blowing fan to operate. At this time, the hot air in the sealed box will be blown into the interior of the air intake pipe, and the dehumidification cotton layer inside it will be dehumidified. Finally, the moisture and hot air will be discharged from the top of the air intake pipe, so as to realize automatic drying of the dehumidification cotton layer, avoiding the dehumidification cotton layer absorbing a large amount of moisture and causing the air entering the wind turbine cabin cover to be unable to be dehumidified again. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a cross-sectional view of the utility model;

[0016] Figure 2 It is a cross-sectional view of the sealing box of the utility model;

[0017] Figure 3 This is a cross-sectional view of the heating tube of the utility model;

[0018] Figure 4 It is a control flow chart of the utility model;

[0019] In the figure: 1, nacelle cover shell; 11, heat sink; 12, exhaust fan; 13, temperature sensor; 14, first humidity sensor; 15, controller;

[0020] 2. Sealing box; 21. Connecting cover; 22. Annular air duct; 23. Blowing head; 24. Mounting frame; 25. Blowing fan; 26. Servo motor; 27. Support plate; 28. Infrared transmitter; 29. ​​Heating tube; 30. Heating wire; 31. Connecting head; 32. Infrared receiver;

[0021] 4. Air inlet pipe; 41. Shielding top; 42. Dehumidification cotton layer; 43. Second humidity sensor. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0023] Example 1: A wind turbine nacelle cover with multiple protective structures, see Figures 1 to 4 , including a nacelle cover shell 1, a sealing box 2 is fixedly connected to the top of the nacelle cover shell 1, one end of the sealing box 2 is connected to an annular air duct 22 through a connecting cover 21, one end of the connecting cover 21 is sealed and connected to one end of the sealing box 2 and communicates with the inside thereof, the other end of the connecting cover 21 is sealed and connected to one end of the annular air duct 22 and communicates with the inside thereof, a plurality of blowing heads 23 are evenly installed on the annular air duct 22, when the temperature or humidity inside the nacelle cover of the wind turbine set reaches the detection range of the temperature sensor 13 or the first humidity sensor 14, the control The device 15 controls the exhaust fan 12 and the blowing fan 25 to operate. At this time, the exhaust fan 12 extracts the internal heat or moisture to the outside, and the blowing fan 25 blows air into the connection cover 21, and then the connection cover 21 conveys the wind to the inside of the annular air guide duct 22, and then the blowing head 23 blows the wind out, so that the airflow inside the wind turbine nacelle cover can be quickly replaced, avoiding the phenomenon that the internal components of the wind turbine nacelle cover are damaged due to excessive temperature or humidity inside the wind turbine nacelle cover, and improving the protection effect of the wind turbine nacelle cover on its internal components during use;

[0024] The inside of the sealed box 2 is connected to a blowing fan 25 and a servo motor 26 through a mounting frame 24, one end of the mounting frame 24 is rotatably connected to the inner wall of the sealed box 2, the middle of the mounting frame 24 is fixedly connected to the outside of the blowing fan 25, the other end of the mounting frame 24 is fixedly connected to the output end of the servo motor 26, one side of the blowing fan 25 is connected to an infrared transmitter 28 through a support plate 27, and infrared receivers 32 are respectively installed at both ends of the inside of the sealed box 2, one end of the support plate 27 is fixedly connected to one side of the blowing fan 25, one end of the infrared transmitter 28 is fixedly connected to the other end of the support plate 27, the transmitting end of the infrared transmitter 28 corresponds to the receiving end position of the infrared receiver 32, and the infrared receiver 32 is fixedly connected to both ends of the inside of the sealed box 2, when the humidity of the dehumidification cotton layer 42 reaches the second When the humidity sensor 43 is within the detection range, the controller 15 controls the servo motor 26 to operate, and the servo motor 26 drives the blowing fan 25 on the mounting frame 24 to flip. When the infrared receiver 32 receives the signal transmitted by the infrared transmitter 28, the servo motor 26 stops operating, and the controller 15 controls the heating wire 30 in the heating tube 29 to be powered on for heating, and controls the blowing fan 25 to operate. At this time, the hot air in the sealing box 2 will be blown into the interior of the air intake pipe 4, and the dehumidification cotton layer 42 inside it will be dehumidified. Finally, the moisture and hot air will be discharged from the top of the air intake pipe 4, so as to realize the automatic drying of the dehumidification cotton layer 42, and avoid the dehumidification cotton layer 42 absorbing a large amount of moisture and causing the air entering the wind turbine nacelle cover to be unable to be dehumidified again;

[0025] A heating tube 29 is fixedly connected to the top of the sealed box 2, a heating wire 30 is installed inside the heating tube 29, and electrical connectors 31 are installed at both ends of the heating wire 30. The other end of the sealed box 2 is connected to a shielding top 41 through an air intake pipe 4. One end of the air intake pipe 4 is sealed and connected to the top of the sealed box 2 and communicates with the interior thereof. Two dehumidification cotton layers 42 are fixedly connected to the interior of the air intake pipe 4, and two second humidity sensors 43 are installed outside the air intake pipe 4, wherein the detection ends of the two second humidity sensors 43 are located inside the two dehumidification cotton layers 42. When the blowing fan 25 blows air into the wind turbine cabin cover, outside air will enter the air intake pipe 4, and the dehumidification cotton layer 42 will dehumidify and remove dust from the air entering the wind turbine cabin cover, so as to prevent outside humid air and mixed dust from entering the wind turbine cabin cover and causing secondary damage to its internal components.

[0026] For details, see Figure 1 A heat dissipation groove 11 is provided at one end of the cabin cover shell 1, and an exhaust fan 12 is covered on the periphery of the heat dissipation groove 11. Two temperature sensors 13 and two first humidity sensors 14 are installed alternately inside the cabin cover shell 1. The temperature sensor 13 and the first humidity sensor 14 can automatically monitor the temperature and humidity inside the cabin cover shell 1.

[0027] For further information, see Figure 4 The exhaust fan 12, the temperature sensor 13 and the first humidity sensor 14 are electrically connected to the controller 15 through wires, and the controller 15 is electrically connected to the servo motor 26, the blowing fan 25, the heating tube 29, the infrared transmitter 28 and the infrared receiver 32 through wires, thereby improving the control effect of the exhaust fan 12, the temperature sensor 13, the first humidity sensor 14, the servo motor 26, the blowing fan 25, the heating tube 29, the infrared transmitter 28 and the infrared receiver 32 during use.

[0028] In addition, the components designed in the present invention are all universal standard parts or components known to technical personnel in the field. Their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. They can be fully implemented by technical personnel in the field, and there is no need to elaborate. The content protected by the present invention does not involve improvements to internal structures and methods.

[0029] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A wind turbine nacelle cover with a multiple protection structure, comprising a nacelle cover shell (1), characterized in that: The top end of the cabin cover shell (1) is fixedly connected to a sealing box (2); one end of the sealing box (2) is connected to an annular air duct (22) via a connection cover (21); a plurality of blowing heads (23) are evenly mounted on the annular air duct (22); the interior of the sealing box (2) is connected to a blowing fan (25) and a servo motor (26) via a mounting frame (24); one side of the blowing fan (25) is connected to an infrared transmitter (28) via a support plate (27); infrared receivers (32) are respectively mounted at both ends of the interior of the sealing box (2); the top end of the interior of the sealing box (2) is fixedly connected to a heating pipe (2 9), a heating wire (30) is installed inside the heating tube (29), and electrical connectors (31) are installed at both ends of the heating wire (30), and the other end of the sealed box (2) is connected to a shielding top (41) through an air intake pipe (4), and one end of the air intake pipe (4) is sealed and connected to the top of the sealed box (2) and communicates with the interior thereof, and two dehumidification cotton layers (42) are fixedly connected to the interior of the air intake pipe (4), and two second humidity sensors (43) are installed outside the air intake pipe (4), wherein the detection ends of the two second humidity sensors (43) are located inside the two dehumidification cotton layers (42).

2. A wind turbine nacelle cover with multiple protection structures as claimed in claim 1, characterized in that: A heat dissipation slot (11) is provided at one end of the nacelle cover shell (1), an exhaust fan (12) is covered on the periphery of the heat dissipation slot (11), and two temperature sensors (13) and two first humidity sensors (14) are installed in an interlaced manner inside the nacelle cover shell (1).

3. A wind turbine nacelle cover with a multiple protection structure as claimed in claim 2, characterized in that: The exhaust fan (12), the temperature sensor (13) and the first humidity sensor (14) are respectively electrically connected to a controller (15) via wires, and the controller (15) is electrically connected to the servo motor (26), the blowing fan (25), the heating tube (29), the infrared transmitter (28) and the infrared receiver (32) via wires.

4. A wind turbine nacelle cover with multiple protection structures as claimed in claim 1, characterized in that: One end of the connection cover (21) is sealedly connected to one end of the sealing box (2) and communicates with the interior thereof, and the other end of the connection cover (21) is sealedly connected to one end of the annular air duct (22) and communicates with the interior thereof.

5. The wind turbine nacelle cover with multiple protection structures as claimed in claim 1, characterized in that: One end of the mounting frame (24) is rotatably connected to the inner wall of the sealing box (2), the middle of the mounting frame (24) is fixedly connected to the outside of the blowing fan (25), and the other end of the mounting frame (24) is fixedly connected to the output end of the servo motor (26).

6. A wind turbine nacelle cover with multiple protection structures as claimed in claim 1, characterized in that: One end of the support plate (27) is fixedly connected to one side of the blowing fan (25), one end of the infrared transmitter (28) is fixedly connected to the other end of the support plate (27), the transmitting end of the infrared transmitter (28) corresponds to the receiving end of the infrared receiver (32), and the infrared receiver (32) is fixedly connected to both ends inside the sealed box (2).

Images