Environment-friendly wind power generation device

Abstract

The invention provides an environment-friendly wind power generation device, and relates to the technical field of wind power generation equipment, the environment-friendly wind power generation device comprises a bottom plate, a horizontal angle adjusting mechanism, a pitch angle adjusting mechanism, a power generation mechanism body, a multi-stage noise reduction mechanism and a controller, a pitch angle adjusting mechanism is fixedly arranged at the top of the horizontal angle adjusting mechanism, a power generation mechanism body is fixedly arranged at the top of the pitch angle adjusting mechanism, and a multi-stage noise reduction mechanism is fixedly arranged in the power generation mechanism body; the pitch angle adjusting mechanism, the horizontal angle adjusting mechanism, the power generation mechanism body and the multi-stage noise reduction mechanism are electrically connected with the controller, the wind energy conversion efficiency is improved, and wind energy is utilized to the maximum extent by tracking the optimal wind direction and automatically adjusting the dip angle. The operation noise is reduced, and the environmental friendliness is improved. Intelligent control is achieved, and the operation and maintenance efficiency and reliability are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of wind power generation equipment, and in particular to an environmentally friendly wind power generation device. Background Art

[0002] As a clean and renewable energy technology, wind power generation is mainly due to the increasing global attention to environmental protection and sustainable development. With the gradual depletion of traditional fossil energy and the increasing severity of environmental problems, people are beginning to seek more environmentally friendly and sustainable energy solutions. As a pollution-free and renewable energy source, wind power generation has great development potential. The research and development and application of environmentally friendly wind power generation devices aim to improve the efficiency and reliability of wind power generation while reducing the negative impact on the environment. It can capture wind energy and convert it into electrical energy to provide a stable power supply for the power grid.

[0003] Disadvantages of existing technology

[0004] Although wind power generation technology has made significant progress, there are still some shortcomings and challenges in the existing technology, mainly including the following aspects:

[0005] Existing wind power generation devices can only adjust the pitch angle, and the adjustment range is limited. The blades of the wind turbine are fixed and cannot be changed to adapt to different wind conditions.

[0006] Noise and visual pollution: Existing wind turbines will generate certain noise and visual pollution during operation, which will have a certain impact on the surrounding environment and residents' lives. Existing wind power generation devices have no warning devices at night, which can easily cause birds to hit the blades, which is not environmentally friendly. Summary of the invention

[0007] The present invention provides an environmentally friendly wind power generation device to solve at least one of the technical problems raised by the above background technology.

[0008] In order to solve the above technical problems, the present invention provides an environmentally friendly wind power generation device, including: a base plate, a horizontal angle adjustment mechanism, a pitch angle adjustment mechanism, a power generation mechanism body, a multi-stage noise reduction mechanism and a controller, the horizontal angle adjustment mechanism is fixedly provided on the top of the base plate, the pitch angle adjustment mechanism is fixedly provided on the top of the horizontal angle adjustment mechanism, the power generation mechanism body is fixedly provided on the top of the pitch angle adjustment mechanism, the multi-stage noise reduction mechanism is fixedly provided inside the power generation mechanism body, and the pitch angle adjustment mechanism, the horizontal angle adjustment mechanism, the power generation mechanism body and the multi-stage noise reduction mechanism are electrically connected to the controller respectively.

[0009] Preferably, the horizontal angle adjustment mechanism includes: a rotating base, the top of the base plate is fixedly connected to the rotating base, the top of the rotating base is rotatably connected to a vertical rotating column, the top of the rotating column is fixedly connected to a horizontal worm gear, the top of the worm gear is fixedly installed with a vertical tower, an angle sensor is fixedly installed on the rotating column, and the worm gear and the tower provide rotational power by adjusting a driving mechanism.

[0010] Preferably, the adjusting driving mechanism comprises: a support seat 1, two groups of support seats 1 along the left and right directions are symmetrically installed on the rotating base located on the front and rear sides of the worm gear disk, the support seat 1 is rotatably connected to the worm along the left and right directions, the right end of each worm is fixedly connected to a bevel gear 1, a support seat 2 along the front and rear directions is fixedly installed on the rotating base at the right side of the worm gear disk, the support seat 2 is rotatably connected to the transmission shaft along the front and rear directions, a pair of bevel gears 2 are symmetrically fixedly connected to the transmission shaft front and back, the bevel gear 1 and the bevel gear 2 are meshingly linked, the front end of the transmission shaft is fixedly connected to the output shaft end of the reducer, the input shaft end of the reducer is fixedly connected to the output shaft end of the servo motor 1, and the reducer and servo motor 1 are both fixedly connected to the rotating base.

[0011] Preferably, the pitch angle adjustment mechanism includes: a ball joint, the top of the tower is fixedly connected to the ball joint, the ball joint is internally hinged to the adjustment frame, the bottom end of the ball joint on the tower is fixedly connected to a horizontal plate one, the top of the horizontal plate one is hinged to four electric telescopic rods front, back, left and right, the top movable end of each electric telescopic rod is fixedly connected to a pull rod, the fixed top on the adjustment frame is connected to horizontal plate two, and the top end of each pull rod is hinged to horizontal plate two.

[0012] Preferably, the power generation mechanism body includes: a nacelle, the nacelle is fixedly installed on the top of the adjustment frame, the front end of the nacelle is rotatably connected to a rotating shaft along the front-to-back direction, the front end of the rotating shaft is fixedly connected to a plurality of telescopic blades, the rear end of the rotating shaft is fixedly connected to the input shaft end of the speed increaser, the output shaft end of the speed increaser is fixedly connected to an input shaft end of a generator, and a wind direction sensor is fixedly installed on the top of the nacelle.

[0013] Preferably, the multi-stage noise reduction mechanism includes: a linear slide rail, a linear slide rail along the front-to-back direction is fixedly installed on the left and right sides of the generator, an electric sliding seat is slidably connected to the linear slide rail, a vacuum sound insulation cover is fixedly installed on the top of the electric sliding seat, a vertical vacuum sound insulation board is fixedly provided in front of the speed increaser, and the bottom end of the vacuum sound insulation board is fixedly connected to the bottom wall of the cabin; a layer of sound insulation cotton is fixedly installed in the cabin.

[0014] Preferably, a heat dissipation mechanism is also provided, and the heat dissipation mechanism includes: an air inlet duct, an air inlet duct is fixedly provided on the top of the cabin, the bottom of the air inlet duct is fixedly connected to the front side of the vacuum sound insulation board, a group of heat dissipation plates are fixedly provided on the left and right outer walls of the generator, a fan is fixedly installed at the front end of each heat dissipation plate, the rear end of the vacuum sound insulation cover is fixedly connected to a flexible air outlet duct, an air outlet is fixedly opened on the rear wall of the cabin, and the flexible air outlet duct is fixedly connected to the air outlet on the rear wall of the cabin.

[0015] Preferably, the telescopic blade at the top includes: a first blade, the first blade is fixedly connected to the top of the rotating shaft, the telescopic blade is connected to the inside of the first blade by a radial sliding connection along the rotating shaft, a row of two-way spotlights are fixedly installed on the first blade away from the end of the rotating shaft, a pair of oblique spotlights are fixedly connected to the end of the first blade, two groups of screw mounting plates are symmetrically fixedly connected to the inside of the first blade, a screw 1 is rotatably connected between the screw mounting plates along the radial direction of the rotating shaft, the screw 1 is fixedly connected to the output shaft end of servo motor 2, the screw 1 is threadedly connected to the internal threaded slider, the internal threaded slider is fixedly connected to the side wall of the telescopic blade, and a distance sensor is fixedly installed on the telescopic blade with its direction aligned with the end of the rotating shaft.

[0016] Preferably, there is also a sensor network module, including: a plurality of wind speed sensors, a speed sensor, a rotation speed sensor, a temperature sensor, an angle sensor 1, an angle sensor 2 and an angle sensor 3;

[0017] A number of wind speed sensors are equidistantly installed on the telescopic blades to detect the real-time wind speed at each point when the telescopic blades are working;

[0018] A speed sensor, used to detect the tip linear speed of the telescopic blade;

[0019] Angle sensor 1, used to detect the horizontal angle of the cabin;

[0020] Angle sensor 2, used to detect the pitch angle of the cabin;

[0021] Angle sensor three, used to detect the blade angle of the telescopic blade in real time;

[0022] The speed sensor is used to detect the speed value of the rotating shaft in real time;

[0023] A temperature sensor, used to detect the temperature of the generator surface;

[0024] A wireless communication unit for data transmission with a remote control center;

[0025] Alarm, used to warn of abnormal situations;

[0026] The control module is responsible for receiving data from several wind speed sensors, speed sensors, rotation speed sensors, temperature sensors, angle sensors 1, 2 and 3 in the sensor network module and processing and sending instructions.

[0027] Intelligent scheduling module: Based on the data collected by the sensor network module, the control module can intelligently determine the working status of the wind turbine and adjust the angle and blade length of the wind turbine according to the actual situation to optimize the wind energy conversion efficiency and extend the service life;

[0028] Remote monitoring module: The wireless communication unit transmits the working status of the wind power generation device to the control center in real time, realizing remote monitoring and fault warning, and improving operation and maintenance efficiency.

[0029] Preferably, it also includes:

[0030] The first calculation module is used to calculate the wind energy conversion coefficient of the telescopic blade at the detection time t;

[0031]

[0032] Where: C t is the wind energy conversion coefficient of the telescopic blade at time t, t is the end time of the detection time, α t is the blade angle detected by angle sensor 3 at time t, α0 is the initial blade angle of the telescopic blade, sin is the sine function, π is the circumference of a circle, and its value is 3.14. is the tip speed ratio of the telescopic blade, n is the rotation speed of the rotating shaft detected by the speed sensor, V t is the tip linear velocity of the telescopic blade detected by the speed sensor at time t; L1 is the length of the first blade, L t is the distance value of the telescopic blade extended as detected by the distance sensor at time t;

[0033] A second calculation module is used to calculate the power evaluation value of wind energy converted into electric energy at time t based on the calculation result of the first calculation module;

[0034]

[0035] ; Among them: P t is the power evaluation value of wind energy converted into electric energy at time t, t0 is the initial detection time, α Z is the wind direction angle detected by the wind direction sensor at time t, β t is the pitch angle of the cabin detected by angle sensor 2 at time t, β0 is the initial pitch angle of the cabin itself detected by angle sensor 2, ε s is the horizontal azimuth of the wind direction detected by the wind direction sensor, and ε is the horizontal angle of the cabin detected by the angle sensor 1; is the upward rounding function; ln is the logarithmic function, e is a special constant with a value of 2.718; T t is the ambient air temperature of the generator detected by the temperature sensor at time t, T b The temperature sensor detects the current average surface temperature of the generator; t is the wind speed value detected by the wind speed sensor within the detection time period t, v0 is the initial wind speed value detected by the wind speed sensor, |v max | is the maximum working wind speed that the telescopic blade can withstand, |v max |=25m / s;

[0036] Discrimination module, if P t Within the preset power threshold, the alarm does not sound. t When P is less than the preset power threshold, the control module controls the telescopic blades to extend until the preset power threshold is reached and the extension stops. t When the maximum value of the preset power threshold is exceeded, the control module controls the alarm to sound an abnormal alarm and controls the retractable blades to retract.

[0037] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention provides an environmentally friendly wind power generation device. Through the horizontal angle adjustment mechanism, it is used to track the optimal wind direction and improve the wind energy capture efficiency. Through the horizontal angle adjustment mechanism and the top-mounted pitch angle adjustment mechanism, the inclination angle of the power generation mechanism body can be automatically adjusted according to the wind speed and wind direction to maximize the wind energy conversion efficiency. The internal part of the power generation mechanism body is configured with a multi-stage noise reduction mechanism to effectively reduce the operating noise. All mechanisms are electrically connected to the controller to achieve intelligent control and monitoring.

[0038] Beneficial effects:

[0039] Improve wind energy conversion efficiency and maximize the use of wind energy by tracking the best wind direction and automatically adjusting the inclination.

[0040] Reduce operating noise and improve environmental friendliness.

[0041] Intelligent control improves operation and maintenance efficiency and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0043] Figure 1 It is a front cross-sectional schematic diagram of an environmentally friendly wind power generation device of the present invention;

[0044] Figure 2 It is a top cross-sectional schematic diagram of the structure on the rotating base of the present invention;

[0045] Figure 3 is a front cross-sectional schematic diagram of a telescopic blade of the present invention;

[0046] Figure 4 It is a left sectional schematic diagram of the pitch angle adjustment mechanism and the cabin of the present invention.

[0047] Reference numerals:

[0048] 1. Bottom plate; 2. Horizontal angle adjustment mechanism; 201. Rotating base; 202. Rotating column; 203. Worm wheel; 204. Tower; 205. Angle sensor 1; 206. Adjustment drive mechanism 1; 261. Support seat 1; 262. Worm; 263. Bevel gear 1; 264. Support seat 2; 265. Transmission shaft; 266. Bevel gear 2; 267. Speed ​​reducer; 268. Servo motor 1; 3. Pitch angle adjustment mechanism; 301. Ball joint; 302. Adjustment frame; 303. Horizontal plate 1; 304. Electric telescopic rod; 305. Pull rod; 306. Horizontal plate 2; 4. Generator body; 401. Cabin; 402. Rotating shaft; 4 03. Telescopic blades; 431. First blade; 432. Telescopic blades; 433. Two-way spotlight; 434. Oblique spotlight; 435. Screw mounting plate; 436. Screw one; 437. Servo motor two; 438. Internal thread slider; 439. Distance sensor; 404. Speed ​​increaser; 405. Generator one; 406. Wind direction sensor; 5. Multi-stage noise reduction mechanism; 501. Linear guide rail; 502. Electric sliding seat; 503. Vacuum sound insulation cover; 504. Vacuum sound insulation board; 505. Sound insulation cotton; 6. Controller; 7. Heat dissipation mechanism; 701. Air inlet pipe; 702. Heat dissipation plate; 703. Fan; 704. Flexible air outlet pipe; 705. Air outlet. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0051] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0052] The present invention provides the following embodiments

[0053] Example 1

[0054] The embodiment of the present invention provides an environmentally friendly wind power generation device, such as Figure 1 As shown, a base plate 1, a horizontal angle adjustment mechanism 2, a pitch angle adjustment mechanism 3, a power generation mechanism body 4, a multi-stage noise reduction mechanism 5 and a controller 6, the base plate 1 is fixedly provided with a horizontal angle adjustment mechanism 2 on the top, the horizontal angle adjustment mechanism 2 is fixedly provided with a pitch angle adjustment mechanism 3 on the top, the pitch angle adjustment mechanism 3 is fixedly provided with a power generation mechanism body 4 on the top, the power generation mechanism body 4 is fixedly provided with a multi-stage noise reduction mechanism 5 inside, and the pitch angle adjustment mechanism 3, the horizontal angle adjustment mechanism 2, the power generation mechanism body 4, and the multi-stage noise reduction mechanism 5 are electrically connected to the controller 6 respectively.

[0055] The working principle and beneficial effects of the above technical solution are as follows: the environmentally friendly wind power generation device of this embodiment is fixedly installed through the base plate 1, on which a horizontal angle adjustment mechanism 2 is provided for tracking the best wind direction and improving the wind energy capture efficiency. A pitch angle adjustment mechanism 3 is installed on the top of the horizontal angle adjustment mechanism 2, which can automatically adjust the inclination angle of the power generation mechanism body 4 according to the wind speed and wind direction to maximize the wind energy conversion efficiency. A multi-stage noise reduction mechanism 5 is configured inside the power generation mechanism body 4 to effectively reduce the operating noise. All mechanisms are electrically connected to the controller 6 to realize intelligent control and monitoring.

[0056] During specific operation: the device is fixedly installed on the ground or in a suitable position through the base plate 1. When the wind blows through the device, the horizontal angle adjustment mechanism 2 first adjusts the rotation angle of the worm wheel 203 and the tower 204 by adjusting the driving mechanism according to the wind direction information detected by the wind direction sensor 406, so that the generator body 4 is always aligned with the optimal wind direction. At the same time, the pitch angle adjustment mechanism 3 adjusts the inclination angle of the generator body 4 through the electric telescopic rod 304 and other components according to the changes in wind speed and wind direction to maximize the wind energy conversion efficiency. The windmill blades inside the generator body 4 rotate, converting wind energy into mechanical energy, and then converting it into electrical energy through the generator. The multi-stage noise reduction mechanism 5 reduces the generation and propagation of noise through sound insulation materials, sound insulation covers and other components. All mechanisms are electrically connected to the controller 6 to achieve intelligent control and monitoring.

[0057] Beneficial effects:

[0058] Improve wind energy conversion efficiency and maximize the use of wind energy by tracking the best wind direction and automatically adjusting the inclination.

[0059] Reduce operating noise and improve environmental friendliness.

[0060] Intelligent control improves operation and maintenance efficiency and reliability.

[0061] Example 2

[0062] On the basis of Example 1, Figure 1 , Figure 2 As shown, the horizontal angle adjustment mechanism 2 includes: a rotating base 201, the top of the base plate 1 is fixedly connected to the rotating base 201, the top of the rotating base 201 is rotatably connected to a vertical rotating column 202, the top of the rotating column 202 is fixedly connected to a horizontal worm gear 203, the top of the worm gear 203 is fixedly installed with a vertical tower 204, an angle sensor 205 is fixedly installed on the rotating column 202, and the worm gear 203 and the tower 204 provide rotational power by adjusting a driving mechanism 206.

[0063] The adjusting driving mechanism 1 206 includes: a support seat 1 261, two groups of support seats 1 261 are symmetrically installed along the left and right directions on the rotating base 201, located on the front and rear sides of the worm gear disk 203, the support seat 1 261 is rotatably connected to the worm 262 along the left and right directions, the right end of each worm 262 is fixedly connected to the bevel gear 1 263, and the rotating base 201 is located on the right side of the worm gear disk 203. The support seat 264 is rotatably connected to the transmission shaft 265 along the front and rear directions, and a pair of bevel gears 2 266 are symmetrically fixedly connected to the transmission shaft 265 in the front and rear directions. The bevel gear 1 263 and the bevel gear 2 266 are meshed and linked, and the front end of the transmission shaft 265 is fixedly connected to the output shaft end of the reducer 267, and the input shaft end of the reducer 267 is fixedly connected to the output shaft end of the servo motor 1 268, and the reducer 267 and the servo motor 1 268 are both fixedly connected to the rotating base 201.

[0064] The working principle and beneficial effects of the above technical solution are:

[0065] Working principle:

[0066] Based on Example 1, this example describes in detail the structure of the horizontal angle adjustment mechanism 2. The rotating base 201 connects the worm wheel 203 and the tower 204 through the rotating column 202. The worm wheel 203 and the tower 204 provide rotational power by adjusting the driving mechanism 1 206 (including the worm 262, the bevel gear, the transmission shaft 265, the reducer 267 and the servo motor) to achieve horizontal angle tracking. Angle sensor 1 205 is used to monitor the rotation angle in real time.

[0067] During specific operation: when the wind direction changes, the angle sensor 1 205 starts to detect and record the rotation angle of the rotating column 202, and the wind direction sensor 406 transmits the signal to the controller 6. According to the received signal, the controller 6 drives the reducer 267 through the servo motor 1 268, and then drives the transmission shaft 265 and the worm 262 to rotate. The worm 262 meshes with the bevel gear 1 263, and the bevel gear 1 263 drives the bevel gear 2 266 to rotate, and finally drives the worm wheel 203 and the tower 204 to rotate to the best wind direction position. During the whole process, the angle sensor 1 205 monitors the rotation angle in real time to ensure the accuracy of horizontal angle tracking.

[0068] Beneficial effects:

[0069] Accurately track wind direction and improve wind energy capture efficiency.

[0070] Compact structure, stable and reliable operation.

[0071] Real-time monitoring is achieved through sensors, which facilitates intelligent control.

[0072] Example 3

[0073] On the basis of Example 2, Figure 1 , Figure 4 As shown, the pitch angle adjustment mechanism 3 includes: a ball joint 301, the top of the tower 204 is fixedly connected to the ball joint 301, the ball joint 301 is internally hinged to the adjustment frame 302, the tower 204 is located at the bottom of the ball joint 301 and is fixedly connected to a horizontal plate 1 303, the top of the horizontal plate 1 303 is hinged to four electric telescopic rods 304, the top movable end of each electric telescopic rod 304 is fixedly connected to a pull rod 305, the top of the adjustment frame 302 is fixedly connected to a horizontal plate 2 306, and the top of each pull rod 305 is hinged to the horizontal plate 2 306;

[0074] The power generation mechanism body 4 includes: a nacelle 401, the nacelle 401 is fixedly installed on the top of the adjustment frame 302, the front end of the nacelle 401 is rotatably connected to a rotating shaft 402 along the front-to-back direction, the front end of the rotating shaft 402 is fixedly connected to a plurality of telescopic blades 403, the rear end of the rotating shaft 402 is fixedly connected to the input shaft end of a speed increaser 404, the output shaft end of the speed increaser 404 is fixedly connected to the input shaft end of a generator 405, and a wind direction sensor 406 is fixedly installed on the top of the nacelle 401.

[0075] The working principle and beneficial effects of the above technical solution are:

[0076] Working principle:

[0077] On the basis of Example 2, this embodiment adds a detailed description of the pitch angle adjustment mechanism 3 and the power generation mechanism body 4. The pitch angle adjustment mechanism 3 is connected to the adjustment frame 302 through the ball joint 301, and the inclination angle is adjusted by the electric telescopic rod 304 and the pull rod 305. The power generation mechanism body 4 includes a nacelle 401, a rotating shaft 402, telescopic blades 403, a speed increaser 404 and a generator 1 405, and a wind direction sensor 406 for real-time monitoring of wind direction.

[0078] During specific operation: the pitch angle adjustment mechanism 3 connects the adjustment frame 302 and the tower 204 through the ball joint 301. When the wind speed and wind direction change, the controller 6 adjusts the length of the pull rod 305 through the electric telescopic rod 304 according to the signals of the wind speed sensor and the wind direction sensor 406, thereby changing the inclination angle of the adjustment frame 302. The windmill blades inside the power generation mechanism body 4 rotate under the action of wind force, and the speed is increased by the speed increaser 404 to drive the generator to generate electricity. At the same time, the wind direction sensor 406 monitors the wind direction information in real time and provides feedback for the horizontal angle adjustment mechanism 2.

[0079] Beneficial effects:

[0080] Realize automatic adjustment of the inclination angle to further improve the wind energy conversion efficiency.

[0081] The telescopic blades 403 can automatically adjust their length according to wind speed and wind direction, thereby improving wind energy utilization.

[0082] Monitor wind direction in real time to ensure that wind turbines are always in optimal working condition.

[0083] Example 4

[0084] On the basis of Example 2, Figure 1 , Figure 3 and Figure 4 As shown, the multi-stage noise reduction mechanism 5 includes: a linear slide rail 501, the linear slide rails 501 along the front-to-back direction are fixedly installed on the left and right sides of the generator 405, the linear slide rails 501 are slidably connected to the electric sliding seat 502, the vacuum sound insulation cover 503 is fixedly installed on the top of the electric sliding seat 502, and a vertical vacuum sound insulation board 504 is fixedly provided in front of the speed increaser 404, and the bottom end of the vacuum sound insulation board 504 is fixedly connected to the bottom wall of the cabin 401; a layer of sound insulation cotton 505 is fixedly installed in the cabin 401.

[0085] The telescopic blade 403 at the top includes: a first blade 431, the first blade 431 is fixedly connected to the top of the rotating shaft 402, the telescopic blade 432 is slidably connected to the inside of the first blade 431 along the radial direction of the rotating shaft 402, a row of two-way spotlights 433 are fixedly installed at the end of the first blade 431 away from the rotating shaft 402, a pair of oblique spotlights 434 are fixedly connected to the end of the first blade 431, two groups of screw mounting plates 435 are symmetrically fixedly connected to the inside of the first blade 431, the screw mounting plates 435 are rotatably connected to the screw one 436 along the radial direction of the rotating shaft 402, the screw one 436 is fixedly connected to the output shaft end of the servo motor two 437, the screw one 436 is threadedly connected to the internal threaded slider 438, the internal threaded slider 438 is fixedly connected to the side wall of the telescopic blade 432, and the telescopic blade 432 is fixedly installed with a distance sensor 439 aligned with the end of the rotating shaft 402.

[0086] The working principle and beneficial effects of the above technical solution are:

[0087] Working principle:

[0088] Based on Example 2, this example describes in detail the structure of the multi-stage noise reduction mechanism 5 and the telescopic blade 403. The multi-stage noise reduction mechanism 5 includes a linear slide rail 501, an electric sliding seat 502, a vacuum sound insulation cover 503, a vacuum sound insulation board 504 and a sound insulation cotton 505, which effectively reduce noise. The telescopic blade 403 is provided with a lead screw and a servo motor 437, and the telescopic blade 432 is automatically adjusted through a distance sensor 439.

[0089] During specific operation: the multi-stage noise reduction mechanism 5 adjusts the position of the vacuum soundproof cover 503 through the linear slide rail 501 and the electric sliding seat 502 to cover the noise source such as the generator. At the same time, the vacuum soundproof board 504 and the soundproof cotton 505 and other components also play a role in sound insulation and noise reduction. The telescopic blade 403 is provided with a lead screw and a servo motor 437. When the wind speed and wind direction change, the controller 6 adjusts the length of the telescopic blade 432 according to the signal of the distance sensor 439 to optimize the wind energy capture efficiency. At the same time, components such as the bidirectional spotlight 433 and the oblique spotlight 434 provide lighting for operation at night or under low light conditions.

[0090] Beneficial effects:

[0091] Significantly reduce operating noise and improve environmental friendliness.

[0092] The telescopic blades 403 can be automatically adjusted according to wind speed and wind direction to improve wind energy capture efficiency.

[0093] Compact structure, stable and reliable operation.

[0094] Example 5

[0095] On the basis of Example 2, Figure 1 , Figure 3 As shown, there is also a sensor network module, including: a number of wind speed sensors, speed sensors, rotation speed sensors, temperature sensors, angle sensor 1 205, angle sensor 2 and angle sensor 3;

[0096] A plurality of wind speed sensors are equidistantly installed on the telescopic blade 403 to detect the real-time wind speed at each point when the telescopic blade 403 is working;

[0097] A speed sensor, used to detect the tip linear speed of the telescopic blade 403;

[0098] Angle sensor 205, used to detect the horizontal angle of the cabin 401;

[0099] Angle sensor 2, used to detect the pitch angle of the cabin 401;

[0100] Angle sensor three, used for real-time detection of the blade angle of the telescopic blade 403;

[0101] A rotation speed sensor, used for detecting the rotation speed value of the rotating shaft 402 in real time;

[0102] A temperature sensor, used to detect the temperature of the generator surface;

[0103] A wireless communication unit for data transmission with a remote control center;

[0104] Alarm, used to warn of abnormal situations;

[0105] The control module is responsible for receiving data from several wind speed sensors, speed sensors, rotation speed sensors, temperature sensors, angle sensor 1 205, angle sensor 2 and angle sensor 3 in the sensor network module and processing and sending instructions.

[0106] Intelligent scheduling module: Based on the data collected by the sensor network module, the control module can intelligently determine the working status of the wind turbine and adjust the angle and blade length of the wind turbine according to the actual situation to optimize the wind energy conversion efficiency and extend the service life;

[0107] Remote monitoring module: The wireless communication unit transmits the working status of the wind power generation device to the control center in real time, realizing remote monitoring and fault warning, and improving operation and maintenance efficiency.

[0108] Also includes:

[0109] A first calculation module is used to calculate the wind energy conversion coefficient of the telescopic blade 403 at the detection time t;

[0110]

[0111] Where: C t is the wind energy conversion coefficient of the telescopic blade 403 at time t, t is the end time of the detection time, α t is the blade angle detected by angle sensor 3 at time t, α0 is the initial blade angle of telescopic blade 403, sin is the sine function, π is pi, and its value is 3.14, is the tip speed ratio of the telescopic blade 403, n is the rotation speed of the rotating shaft 402 detected by the rotation speed sensor, V t is the tip linear velocity value of the telescopic blade 403 detected by the velocity sensor at time t; L1 is the length of the first blade 431, L t is the distance value of the telescopic blade 432 extended as detected by the distance sensor 439 at time t;

[0112] A second calculation module is used to calculate the power evaluation value of wind energy converted into electric energy at time t based on the calculation result of the first calculation module;

[0113]

[0114] ; Among them: P t is the power evaluation value of wind energy converted into electric energy at time t, t0 is the initial detection time, α Z is the wind direction angle detected by the wind direction sensor at time t, β t is the pitch angle of the cabin 401 detected by the angle sensor 2 at time t, β0 is the initial pitch angle of the cabin 401 itself detected by the angle sensor 1 205, ε sis the horizontal azimuth angle of the wind direction detected by the wind direction sensor, and ε is the horizontal angle of the cabin 401 detected by the angle sensor 205; is the upward rounding function; ln is the logarithmic function, e is a special constant with a value of 2.718; T t is the ambient air temperature of the generator detected by the temperature sensor at time t, T b The temperature sensor detects the current average surface temperature of the generator; t is the wind speed value detected by the wind speed sensor within the detection time period t, v0 is the initial wind speed value detected by the wind speed sensor, |v max | is the maximum working wind speed value that the telescopic blade 403 can withstand, |v max |=25m / s;

[0115] Discrimination module, if P t Within the preset power threshold, the alarm does not sound. t When P is less than a preset power threshold, the control module controls the telescopic blade 432 to extend until the preset power threshold is reached and the extension stops. t When the maximum value of the preset power threshold is exceeded, the control module controls the alarm to give an abnormal alarm and controls the retractable blades 432 to retract.

[0116] The working principle and beneficial effects of the above technical solution are:

[0117] Working principle:

[0118] Based on Example 2, this example adds a sensor network module, an intelligent scheduling module, and a remote monitoring module. The sensor network module includes a wind speed sensor, a speed sensor, a rotation speed sensor, a temperature sensor, an angle sensor, etc., which monitor various parameters of the wind power generation device in real time. The intelligent scheduling module determines the working status of the wind power generation device based on the sensor data and adjusts the angle and operating parameters. The remote monitoring module transmits the working status to the control center in real time through the wireless communication unit to realize remote monitoring and fault warning.

[0119] The determination module determines whether the wind power generation device is within a preset power threshold according to the calculated wind energy conversion coefficient and power evaluation value, and controls the extension or contraction of the telescopic blades 432 and the alarm of the alarm.

[0120] Beneficial effects:

[0121] Real-time monitoring and intelligent control improve wind energy conversion efficiency and operation and maintenance efficiency.

[0122] Remote monitoring and fault warning to improve safety and reliability.

[0123] Automatic power regulation and abnormal alarm are realized through the discrimination module to ensure the stable operation of the wind power generation device.

[0124] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An environmentally friendly wind power generation device, characterized in that: include: A base plate (1), a horizontal angle adjustment mechanism (2), a pitch angle adjustment mechanism (3), a power generation mechanism body (4), a multi-stage noise reduction mechanism (5) and a controller (6); the base plate (1) is fixedly provided with a horizontal angle adjustment mechanism (2) on the top; the horizontal angle adjustment mechanism (2) is fixedly provided with a pitch angle adjustment mechanism (3) on the top; the power generation mechanism body (4) is fixedly provided with a multi-stage noise reduction mechanism (5) on the top of the pitch angle adjustment mechanism (3); the power generation mechanism body (4) is fixedly provided with a multi-stage noise reduction mechanism (5) inside; the pitch angle adjustment mechanism (3), the horizontal angle adjustment mechanism (2), the power generation mechanism body (4) and the multi-stage noise reduction mechanism (5) are respectively electrically connected to the controller (6).

2. An environmentally friendly wind power generation device according to claim 1, characterized in that: The horizontal angle adjustment mechanism (2) comprises: a rotating base (201), the top of the base plate (1) is fixedly connected to the rotating base (201), the top of the rotating base (201) is rotatably connected to a vertical rotating column (202), the top of the rotating column (202) is fixedly connected to a worm wheel (203) in the horizontal direction, the top of the worm wheel (203) is fixedly mounted with a vertical tower (204), an angle sensor (205) is fixedly mounted on the rotating column (202), and the worm wheel (203) and the tower (204) provide rotational power by adjusting a driving mechanism (206).

3. An environmentally friendly wind power generation device according to claim 2, characterized in that: The adjustment drive mechanism (206) comprises: a support seat (261), two groups of support seats (261) are symmetrically installed along the left and right directions on the rotating base (201) and are located on both sides of the front and rear of the worm wheel (203), the support seat (261) is rotatably connected to the worm (262) along the left and right directions, and the right end of each worm (262) is fixedly connected to the bevel gear (263), and a support seat (264) is fixedly installed along the front and rear directions on the rotating base (201) and is located on the right side of the worm wheel (203). The support seat (264) is fixedly installed along the front and rear directions. 64) is rotatably connected to a transmission shaft (265) along the front-to-back direction, a pair of bevel gears (266) are fixedly connected to the transmission shaft (265) in a front-to-back symmetrical manner, the bevel gear (263) and the bevel gear (266) are meshed and linked, the front end of the transmission shaft (265) is fixedly connected to the output shaft end of the reducer (267), the input shaft end of the reducer (267) is fixedly connected to the output shaft end of the servo motor (268), and the reducer (267) and the servo motor (268) are both fixedly connected to the rotating base (201).

4. The environmentally friendly wind power generation device according to claim 3, characterized in that: The pitch angle adjustment mechanism (3) comprises: a ball joint component (301), the top of the tower (204) is fixedly connected to the ball joint component (301), the ball joint component (301) is internally hinged to an adjustment frame (302), the tower (204) is located at the bottom of the ball joint component (301) and is fixedly connected to a horizontal plate one (303), the top of the horizontal plate one (303) is hingedly connected to four electric telescopic rods (304) in front, back, left and right directions, the top movable end of each electric telescopic rod (304) is fixedly connected to a pull rod (305), the top of the adjustment frame (302) is fixedly connected to a horizontal plate two (306), and the top of each pull rod (305) is hingedly connected to the horizontal plate two (306).

5. The environmentally friendly wind power generation device according to claim 4, characterized in that: The power generation mechanism body (4) comprises: a nacelle (401), the nacelle (401) is fixedly installed on the top of the adjustment frame (302), the front end of the nacelle (401) is rotatably connected to a rotating shaft (402) along the front-back direction, the front end of the rotating shaft (402) is fixedly connected to a plurality of telescopic blades (403), the rear end of the rotating shaft (402) is fixedly connected to the input shaft end of a speed increaser (404), the output shaft end of the speed increaser (404) is fixedly connected to the input shaft end of a generator (405), and a wind direction sensor (406) is fixedly installed on the top of the nacelle (401).

6. The environmentally friendly wind power generation device according to claim 5, characterized in that: The multi-stage noise reduction mechanism (5) comprises: a linear slide rail (501), the linear slide rails (501) along the front-rear direction are fixedly installed on the left and right sides of the generator (405), the linear slide rails (501) are slidably connected to the electric sliding seat (502), the vacuum sound insulation cover (503) is fixedly installed on the top of the electric sliding seat (502), a vertical vacuum sound insulation board (504) is fixedly provided in front of the speed increaser (404), and the bottom end of the vacuum sound insulation board (504) is fixedly connected to the bottom wall of the cabin (401); a layer of sound insulation cotton (505) is fixedly installed in the cabin (401).

7. The environmentally friendly wind power generation device according to claim 5, characterized in that: A heat dissipation mechanism (7) is also provided, and the heat dissipation mechanism (7) comprises: an air inlet pipe (701), the top of the cabin (401) is fixedly provided with an air inlet pipe (701), the bottom of the air inlet pipe (701) is fixedly connected to the front side of the vacuum sound insulation board (504), a group of heat dissipation plates (702) are fixedly provided on the left and right outer walls of the generator, a fan (703) is fixedly installed at the front end of each heat dissipation plate (702), the rear end of the vacuum sound insulation cover (503) is fixedly connected to a flexible air outlet pipe (704), the rear wall of the cabin (401) is fixedly provided with an air outlet (705), and the flexible air outlet pipe (704) is fixedly connected to the air outlet (705) on the rear wall of the cabin (401).

8. The environmentally friendly wind power generation device according to claim 7, characterized in that: The telescopic blade (403) at the top comprises: a first blade (431), the top of the rotating shaft (402) is fixedly connected to the first blade (431), the inside of the first blade (431) is connected to the telescopic blade (432) in a radially sliding manner along the rotating shaft (402), a row of bidirectional spotlights (433) is fixedly installed at the end of the first blade (431) away from the rotating shaft (402), a pair of oblique spotlights (434) is fixedly connected to the end of the first blade (431), and the inside of the first blade (431) is symmetrically fixed on the left and right. Two sets of screw mounting plates (435) are fixedly connected, and a screw 1 (436) is rotatably connected between the screw mounting plates (435) along the radial direction of the rotating shaft (402). The screw 1 (436) is fixedly connected to the output shaft end of the servo motor 2 (437). The screw 1 (436) is threadedly connected to an internal thread slider (438). The internal thread slider (438) is fixedly connected to the side wall of the telescopic blade (432). The fixed installation direction of the telescopic blade (432) is aligned with the distance sensor (439) at the end of the rotating shaft (402).

9. The environmentally friendly wind power generation device according to claim 2, characterized in that: Also provided is a sensor network module, including: a plurality of wind speed sensors, a speed sensor, a rotation speed sensor, a temperature sensor, an angle sensor 1 (205), an angle sensor 2 and an angle sensor 3; A plurality of wind speed sensors are equidistantly installed on the telescopic blade (403) and are used to detect the real-time wind speed at each point when the telescopic blade (403) is working; A speed sensor, used to detect the tip linear speed of the telescopic blade (403); Angle sensor 1 (205), used for detecting the horizontal angle of the cabin (401); Angle sensor 2, used for detecting the pitch angle of the cabin (401); Angle sensor three, used for real-time detection of the blade angle of the telescopic blade (403); A rotation speed sensor, used for detecting the rotation speed value of the rotating shaft (402) in real time; A temperature sensor, used to detect the temperature of the generator surface; A wireless communication unit for data transmission with a remote control center; Alarm, used to warn of abnormal situations; The control module is responsible for receiving data from a plurality of wind speed sensors, speed sensors, rotation speed sensors, temperature sensors, angle sensor 1 (205), angle sensor 2 and angle sensor 3 in the sensor network module and processing and sending instructions; Intelligent scheduling module: Based on the data collected by the sensor network module, the control module can intelligently determine the working status of the wind turbine and adjust the angle and blade length of the wind turbine according to the actual situation to optimize the wind energy conversion efficiency and extend the service life; Remote monitoring module: The wireless communication unit transmits the working status of the wind power generation device to the control center in real time, realizing remote monitoring and fault warning, and improving operation and maintenance efficiency.

10. An environmentally friendly wind power generation device according to claim 9, characterized in that: Also includes: A first calculation module, used for calculating the wind energy conversion coefficient of the telescopic blade (403) at the detection time t; Where: C t is the wind energy conversion coefficient of the telescopic blade (403) at time t, t is the end time of the detection time, α t is the blade angle detected by angle sensor 3 at time t, α0 is the initial blade angle of the telescopic blade (403), sin is the sine function, π is the circumference of a circle, and takes the value of 3.14, is the tip speed ratio of the telescopic blade (403), n is the rotation speed of the rotating shaft (402) detected by the rotation speed sensor, V t is the tip linear velocity value of the telescopic blade (403) detected by the velocity sensor at time t; L1 is the length of the first blade (431), L t is the distance value of the telescopic blade (432) extended at time t detected by the distance sensor (439); A second calculation module is used to calculate the power evaluation value of wind energy converted into electric energy at time t based on the calculation result of the first calculation module; ； Where: P t is the power evaluation value of wind energy converted into electric energy at time t, t0 is the initial detection time, α Z is the wind direction angle detected by the wind direction sensor at time t, β t is the pitch angle of the cabin (401) detected by the angle sensor 2 at time t, β0 is the initial pitch angle of the cabin (401) itself detected by the angle sensor 2, ε s is the horizontal azimuth angle of the wind direction detected by the wind direction sensor, and ε is the horizontal angle of the cabin (401) detected by the angle sensor 1 (205); is the upward rounding function; ln is the logarithmic function, e is a special constant with a value of 2.718; T t is the ambient air temperature of the generator detected by the temperature sensor at time t, T b The temperature sensor detects the current average surface temperature of the generator; t is the wind speed value detected by the wind speed sensor within the detection time period t, v0 is the initial wind speed value detected by the wind speed sensor, |v max | is the maximum working wind speed value that the telescopic blade (403) can withstand, |v max |=25m / s; Discrimination module, if P t Within the preset power threshold, the alarm does not sound. t When the power is less than a preset power threshold, the control module controls the telescopic blade (432) to extend until the preset power threshold is reached and the extension stops. t When the maximum value of the preset power threshold is exceeded, the control module controls the alarm to issue an abnormal alarm and controls the retractable blades (432) to retract.

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