WO2025011185A1 - 一种风力发电叶片及风力发电装置 - Google Patents
一种风力发电叶片及风力发电装置 Download PDFInfo
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- WO2025011185A1 WO2025011185A1 PCT/CN2024/093900 CN2024093900W WO2025011185A1 WO 2025011185 A1 WO2025011185 A1 WO 2025011185A1 CN 2024093900 W CN2024093900 W CN 2024093900W WO 2025011185 A1 WO2025011185 A1 WO 2025011185A1
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- Prior art keywords
- wind
- power generation
- driving
- speed
- horizontal
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/0608—Rotors characterised by their aerodynamic shape
- F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0204—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0264—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for stopping; controlling in emergency situations
- F03D7/0268—Parking or storm protection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/007—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with means for converting solar radiation into useful energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
Definitions
- the present invention relates to the technical field of wind power generation, and in particular to a wind power generation blade and a wind power generation device.
- Wind power generation is a renewable energy technology that converts wind energy into electrical energy. It has great potential and broad application prospects. It uses the rotation of wind rotors to drive generators to generate electricity. It is environmentally friendly and sustainable, can reduce dependence on traditional energy, and reduce greenhouse gas emissions.
- Wind power generation technology has made significant progress in the past few decades. Modern wind power generation devices usually use large blades and efficient generators, which can generate more electricity at different wind speeds. However, in the existing technology, there is a lack of devices in wind power generation blades to utilize the lateral wind energy of the blades, which affects the utilization rate of wind energy.
- the present invention provides a wind power generation blade and a wind power generation device, which are used to solve the technical problem raised by the above background technology: in the prior art, there is a lack of devices for utilizing the lateral wind energy of the blades, which affects the utilization rate of wind energy.
- the present invention discloses a wind power blade, including a blade body, which is in the shape of an elongated strip, narrow at the top and wide at the bottom, and the opposite side surfaces of the blade body are respectively an arc-shaped convex surface and a mounting surface, and a plurality of suction units and a plurality of solar power generation panels are installed on the mounting surface.
- the suction unit includes a brushless motor, which is fixed on the mounting surface of the blade body and electrically connected to the solar panel; the output end of the brushless motor is fixed to the top surface of the wheel through a coupling and a fixing pin, and a plurality of fan blades are installed on the side of the wheel.
- a brushless motor which is fixed on the mounting surface of the blade body and electrically connected to the solar panel; the output end of the brushless motor is fixed to the top surface of the wheel through a coupling and a fixing pin, and a plurality of fan blades are installed on the side of the wheel.
- the present invention also discloses a wind power generation device, comprising the above-mentioned wind power generation blade, the wind power generation device also includes a support seat, the support seat is fixedly connected to the bottom of the support column; there is a cavity at the top of the support column, a horizontal angle driving device is installed in the cavity, a rotating disc is installed at the working end of the horizontal angle driving device, a vertical angle driving device is installed on the upper surface of the rotating disc, the working end of the vertical angle driving device is fixedly connected to the side of the generator set; one end of the generator set is fixedly connected to the speed increaser, and the other end of the generator set is fixedly connected to the counterweight box; the speed increaser is fixedly connected to the transmission turntable through a coupling away from the first input shaft in the generator set, and the blade body is fixedly connected to the supporting stepped shaft in the transmission turntable through a fixing device.
- the transmission turntable is a shell structure, and a first bevel gear is movably connected inside the transmission turntable, and the first bevel gear is connected to the first transmission shaft by a key; the other end of the first transmission shaft is connected to the reducer through a coupling, and the reducer is connected to the driving motor through a coupling; the first bevel gear is respectively meshed with a number of second bevel gears, and the second bevel gear is connected to the supporting stepped shaft by a key; the supporting stepped shaft is rotatably connected to the first fixed plate and the second fixed plate, and the first fixed plate and the second fixed plate are fixed in the transmission turntable; one side of the outer circle of the transmission turntable is fixedly connected to the wind shield cover, and the driving motor is connected to the inner surface of the wind shield cover.
- the horizontal angle driving device includes a first bearing seat, which is installed at the bottom of the cavity at the top of the support column; the first bearing seat is movably connected to the second transmission shaft through a bearing; the other end of the second transmission shaft is connected to the third bevel gear through a key; the third bevel gear is meshed with the fourth bevel gear; the fourth bevel gear is connected to the output shaft of the horizontal rotation driving motor through the third transmission shaft; the horizontal rotation driving motor is fixed on the outer side of the upper part of the support column; the top of the support column is fixedly connected to the second bearing seat, a sliding bearing is installed in the second bearing seat, the rotating disc is fixed to the upper surface of the sliding bearing, and the lower surface of the rotating disc is rigidly connected to the fourth bevel gear.
- the vertical angle driving device comprises a lower driving disk, which is fixedly connected to the rotating disk and fixed to the rotating disk via a plurality of reinforcing rods; a groove arranged on the lower driving disk is connected to the outer surface of the upper driving disk; The circular surface is slidably connected, and the slide groove arranged on the lower driving plate and the slide groove protrusion arranged on the side of the upper driving plate are slidably connected; a plurality of hydraulic pipes are arranged in the lower driving plate; one end of the hydraulic pipe extends out of the lower driving plate and is connected to the hydraulic pump, and the other end of the hydraulic pipe is connected to the hydraulic push rod through the hydraulic valve; the curvature of the hydraulic push rod is equal to the curvature of the upper driving plate and the lower driving plate, and the other end of the hydraulic push rod is fixedly connected to the upper driving plate.
- a horizontal wind direction and wind speed sensor and a vertical wind direction and wind speed sensor are respectively provided on the upper surface and one side surface of the counterweight box.
- the speed increasing unit comprises a first input shaft, the first input shaft is fixedly connected to the transmission rotating disk through a coupling, the first input shaft is movably connected to the speed increasing housing through a bearing device, one end of the first input shaft extending into the speed increasing housing is connected to the first inner gear ring through a key; the first inner gear ring is meshed with a plurality of first driving wheels, and the plurality of first driving wheels are meshed with the first center wheel; the first driving wheel is movably connected to the first driving rotating frame;
- the end of the first driving rotating frame away from the first driving wheel is connected to the second inner gear ring through a key;
- the second inner gear ring is meshed with a plurality of second driving wheels, and the plurality of second driving wheels are meshed with the second center wheel;
- the second driving wheel is movably connected to the second driving rotating frame;
- the end of the second driving rotating frame away from the second driving wheel is fixedly connected to the first output shaft through a coupling;
- the inner side of the second driving rotating frame is fixedly connected to the speed regulating motor through a fixing frame, and the power output end of the speed regulating motor is fixedly connected to the fourth transmission shaft;
- the first driving rotating frame and the second center wheel are respectively provided with a first through hole and a second through hole in the center, and the fourth transmission shaft is fixedly connected to the first center wheel and the second center wheel through the first through hole and the second through hole.
- the generator set includes a generator set casing, and the two ends of the generator set casing are fixedly connected to the speed increasing unit and the counterweight box respectively; a plurality of sound insulation devices and a plurality of fire extinguishing agent nozzles are installed on the inner surface of the generator set casing; the fire extinguishing agent nozzle is connected to the fire extinguishing agent storage tank through a fire extinguishing agent conduit; a pushing disc is arranged at the bottom of the fire extinguishing agent storage tank; the pushing disc is connected to the pushing machine through a transmission mechanism; a lower support plate is installed at the bottom of the generator set casing, a plurality of first spring seats are installed on the upper surface of the lower support plate, and a plurality of slide grooves are arranged on the side of the first spring seat; the cylindrical protrusion on the first limit pin is slidably connected with the slide groove on the side of the first spring seat; a first spring device is fixed between the upper surface of the first limit pin and the
- the generator is embedded in the through hole on the upper support plate, and the generator and the upper support plate are fixed by a fixing device; the power input end of the generator is fixed to the second input shaft by a flexible coupling.
- FIG1 is a side view of a wind turbine blade according to the present invention.
- FIG2 is a cross-section of a certain position of a wind turbine blade according to the present invention.
- FIG3 is a schematic diagram of the enlarged structure of area A in FIG1 ;
- FIG4 is a schematic diagram of the overall structure of a wind power generation device according to the present invention.
- FIG5 is a schematic diagram of the enlarged structure of area B in FIG4;
- FIG6 is a schematic diagram of the internal structure of the transmission turntable in the wind power generation device of the present invention.
- FIG7 is a schematic diagram of the internal structure of the horizontal angle driving device in the wind power generation device of the present invention.
- FIG8 is a schematic diagram of the internal structure of a speed increasing unit in a wind power generation device of the present invention.
- FIG. 9 is a schematic diagram of the internal structure of a generator set in a wind power generation device of the present invention.
- Second driving rotating frame 513. Fixed frame; 514. First output shaft; 6. Generator set; 601. Generator set housing; 602. Sound insulation device; 603. Sprinkler; 604. Fire extinguishing agent conduit; 605. Fire extinguishing agent storage tank; 606. Pushing disc; 607. Transmission mechanism; 608. Pushing machine; 609. Lower support plate; 610. First spring seat; 611. First limit latch; 612.
- 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.
- 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.
- Embodiment 1 of the present invention provides a wind power generation blade, as shown in FIGS. 1 to 3 , including a blade body 3, the blade body 3 is in the shape of an elongated strip, the blade body 3 is narrow at the top and wide at the bottom, and the opposite sides of the blade body 3 are respectively an arc-shaped convex surface 31 and a mounting surface 32, and a plurality of air suction units and a plurality of solar panels 305 are mounted on the mounting surface 32;
- the suction unit includes a brushless motor 301, which is fixed on the mounting surface 32 of the blade body 3 and is electrically connected to a solar panel 305; the output end of the brushless motor 301 is fixed to the top surface of a rotor 303 via a coupling and a fixing pin 302, and a plurality of fan blades 304 are mounted on the side of the rotor 303.
- the blade body 3 is designed in a long strip shape, which is generally narrow at the top and wide at the bottom.
- the arc-shaped raised surface 31 is opposite to the mounting surface 32.
- the blade body 3 is fixedly connected to the supporting stepped shaft 306 in the transmission turntable 309 through a fixing device. This structural design can enhance the wind capture effect and improve the wind energy conversion efficiency;
- the suction fan unit and the solar power generation panel 305 By installing the suction fan unit and the solar power generation panel 305 on the mounting surface of the blade body 3, the utilization of solar energy is enhanced.
- the solar power generation panel 305 absorbs sunlight and converts light energy into electrical energy to supply power to the brushless motor 301.
- the brushless motor 301 driven by solar energy, drives the runner 303 to absorb the wind passing through the side of the blade body 3.
- the absorbed wind generates a torque on the blade body 3, pushing the blade body 3 to rotate, thereby increasing the rotation speed of the blade body 3, improving the utilization of wind resources, improving the power generation efficiency, and increasing the power generation of the power generation device.
- the present invention can control whether the suction fan is working according to the power generation demand;
- a brushless motor 301 is used in the suction unit, and the brushless motor has the advantages of high efficiency, low noise, long life and reliability. It is electrically connected to the solar panel 305 and fixed to the top surface of the rotor 303 through a coupling and a fixing pin 302.
- the application of this brushless motor technology reduces noise, increases service life, and improves the efficiency and reliability of the power generation device; in summary, Example 1 can improve the power generation efficiency of the wind power generation device, increase energy utilization, and has the advantages of high efficiency, low noise and long life through the use of dual energy, flexible device structure and the application of brushless motor technology.
- the present invention solves the problem that: the background technology proposes that in the prior art, there is a lack of devices for utilizing the lateral wind energy of the blades in the wind power generation blades, which affects the utilization rate of wind energy.
- the wind power generation device also includes a support base 1, which is fixedly connected to the bottom of the support column 2; there is a cavity at the top of the support column 2, in which a horizontal angle driving device 13 is installed, and a rotating disc 9 is installed at the working end of the horizontal angle driving device 13, and a vertical angle driving device 12 is installed on the upper surface of the rotating disc 9, and the working end of the vertical angle driving device 12 is fixedly connected to the side of the generator set 6; one end of the generator set 6 is fixedly connected to the speed increaser 5, and the other end of the generator set 6 is fixedly connected to the counterweight box 7; the first input shaft 502 in the speed increaser 5 is fixedly connected to the transmission turntable 309 through a coupling, and the blade body 3 is fixedly connected to the supporting stepped shaft 306 in the transmission turntable 309 through a fixing device.
- the transmission turntable 309 is a shell structure, and a first bevel gear 312 is movably connected inside the transmission turntable 309, and the first bevel gear 312 is connected to the first transmission shaft 314 by a key; the other end of the first transmission shaft 314 is connected to the reducer 308 by a coupling, and the reducer 308 is connected to the driving motor 307 by a coupling; the first bevel gear 312 is respectively meshed with a plurality of second bevel gears 313, and the second bevel gear 313 is connected to the supporting stepped shaft 306 by a key; the supporting stepped shaft 306 is rotatably connected to the first fixed plate 310 and the second fixed plate 311, and the first fixed plate 310 and the second fixed plate 311 are fixed in the transmission turntable 309; one side of the outer circle of the transmission turntable 309 is fixedly connected to the wind shield cover 4, and the driving motor 307 is connected to the inner surface of the wind shield cover 4.
- a horizontal wind direction and speed sensor 11 and a vertical wind direction and speed sensor 10 are respectively provided on the upper surface and one side surface of the counterweight box 7 .
- a vertical angle driving device 12 is installed on the upper surface of the rotating disc 9. Through the application of the vertical angle driving device, the wind power generation mechanism can be rotated in the vertical direction, achieving a wider range of wind direction capture and power generation effects;
- the first bevel gear 312 is connected to the drive motor 307 through some mechanisms, and meshes with a number of second bevel gears 313.
- the second bevel gear 313 is connected to the support step shaft 306 through a key, and the support step shaft 306 is connected to the blade body 3.
- This multi-stage bevel gear transmission design can realize the power transmission from the drive motor 307 to the blade body 3.
- the angle of the blade body 3 can be adjusted in real time for different wind conditions to adapt to the influence of different relative wind speed directions on the power generation blades, improve the wind power generation efficiency, and increase the wind power generation;
- the wind shield 4 is installed on the transmission turntable 309, which can reduce the impact of related mechanisms on wind speed and improve the stability and wind resistance of the wind power generation device under severe weather conditions;
- the wind power generation device of Example 2 achieves a wider range of wind direction capture and improves power generation efficiency and stability through the application of angle drive device, vertical angle drive device, speed increaser, speed reducer and blade steering control technologies.
- the wind shield further enhances the stability and adaptability of the device.
- the horizontal angle driving device 13 includes a first bearing seat 1301, which is installed at the bottom of the cavity at the top of the support column 2; the first bearing seat 1301 is movably connected to the second transmission shaft 1302 through a bearing; the other end of the second transmission shaft 1302 is connected to the third bevel gear 1305 through a key;
- the third bevel gear 1305 is meshed with the fourth bevel gear 1306;
- the fourth bevel gear 1306 is connected to the output shaft of the horizontal rotation drive motor 8 through the third transmission shaft 1307;
- the horizontal rotation drive motor 8 is fixed to the outer side of the upper part of the support column 2;
- the top of the support column 2 is fixedly connected to the second bearing seat 1303, and a sliding bearing 1304 is installed in the second bearing seat 1303, the rotating disc 9 is fixed to the upper surface of the sliding bearing 1304, and the lower surface of the rotating disc 9 is rigidly connected to the fourth bevel gear 1306.
- the vertical angle driving device 12 includes a lower driving disk 1206, which is fixedly connected to the rotating disk 9, and the lower driving disk 1206 is fixed to the rotating disk 9 through a plurality of reinforcing rods 1203; the groove arranged on the lower driving disk 1206 is slidably connected to the outer circular surface of the upper driving disk 1205, and the slide groove arranged on the lower driving disk 1206 is slidably connected to the slide groove protrusion arranged on the side of the upper driving disk 1205; a plurality of hydraulic pipes 1202 are arranged in the lower driving disk 1206; one end of the hydraulic pipe 1202 extends out of the lower driving disk 1206 and is connected to the hydraulic pump 1201, and the other end of the hydraulic pipe 1202 is connected to the hydraulic push rod 1204 through a hydraulic valve; the curvature of the hydraulic push rod 1204 is equal to that of the upper driving disk 1205 and the lower driving disk 1206, and the other end of the hydraulic push rod 1204 is fixedly connected to the upper driving disk 1205.
- the horizontal angle driving device 13 includes a first bearing seat 1301, a second transmission shaft 1302, a third bevel gear 1305, a fourth bevel gear 1306 and a horizontal rotation driving motor 8.
- a sliding bearing 1304 is added to the fixed connection between the top of the support column 2 and the second bearing seat 1303, and the rotating disc 9 is fixed to the upper surface of the sliding bearing 1304 and rigidly connected to the fourth bevel gear 1306.
- This support structure can reduce the friction between the support column and the rotating disc, reduce the rotation resistance, and improve the stability and efficiency of the rotation;
- the vertical angle driving device 12 includes a lower driving plate 1206, an upper driving plate 1205, a reinforcing rod 1203, a hydraulic pipe 1202 and a hydraulic push rod 1204.
- the lower driving plate 1206 and the upper driving plate 1205 are slidably connected.
- the connection between the hydraulic pipe 1202, the hydraulic pump 1201 and the hydraulic push rod 1204 enables the hydraulic push rod to control the relative movement between the upper driving plate 1205 and the lower driving plate 1206.
- Such an improvement enables the device to adjust the angle in the vertical direction, thereby improving the adaptability of the wind power generation device to different wind directions;
- the rotating surface of the wind turbine blade can always be in a vertical position with respect to the wind direction, ensuring that the wind generates a greater pressure difference when passing through the blade body 3, and achieving a more efficient rotation performance.
- the speed increasing unit 5 includes a first input shaft 502, the first input shaft 502 is fixedly connected to the transmission turntable 309 through a coupling, the first input shaft 502 is movably connected to the speed increasing housing 501 through a bearing device, and one end of the first input shaft 502 extending into the speed increasing housing 501 is connected to the first inner gear ring 503 through a key; the first inner gear ring 503 is meshed with a plurality of first driving wheels 504, and the plurality of first driving wheels 504 are meshed with the first center wheel 506; the first driving wheel 504 is movably connected to the first driving rotating frame 505;
- the end of the first driving rotating frame 505 away from the first driving wheel 504 is connected to the second inner gear ring 510 through a key; the second inner gear ring 510 is meshed with a plurality of second driving wheels 511, and the plurality of second driving wheels 511 are meshed with the second center wheel 508; the second driving wheel 511 is movably connected to the second driving rotating frame 512; the end of the second driving rotating frame 512 away from the second driving wheel 511 is fixedly connected to the first output shaft 514 through a coupling; the first output shaft 514 is movably connected (rotatably connected) to the speed increaser housing 501 through a bearing device; the first output shaft 514 is fixedly connected to the second input shaft 620;
- the inner side of the second driving rotating frame 512 is fixedly connected to the speed regulating motor 509 through the fixing frame 513, and the power output end of the speed regulating motor 509 is fixedly connected to the fourth transmission shaft 507;
- the first driving rotating frame 505 and the second center wheel 508 are respectively provided with a first through hole and a second through hole in the center thereof, and the fourth transmission shaft 507 is fixedly connected to the first center wheel 506 and the second center wheel 508 through the first through hole and the second through hole.
- the speed increasing unit 5 includes a first input shaft 502, a first inner gear ring 503, a first driving wheel 504, a first driving rotating frame 505, a second inner gear ring 510, a second driving wheel 511, a second driving rotating frame 512 and a first output shaft 514.
- the speed increasing mechanism can effectively increase the input speed and output the increased speed to the first output shaft 514, thereby improving the power generation efficiency of the wind power generation device;
- the speed regulating motor 509 in the speed increasing unit 5 is fixedly connected to the fourth transmission shaft 507 through the power output end, and the fourth transmission shaft 507 is fixedly connected to the first driving wheel 504 and the second driving wheel 511, so that the speed regulating motor 509 can control the rotation speed of the first driving wheel 504 and the second driving wheel 511, thereby adjusting the transmission coefficient of the entire speed increasing unit.
- By adjusting the transmission coefficient of the speed increasing unit it is possible to better adapt to different wind speed conditions, thereby ensuring the stable speed output of the first output shaft 514 in the speed increasing unit, making the power generation of the generator set 6 stable, and improving the performance and stability of the wind power generation device;
- the wind power generation device has achieved a higher speed and better adaptability, which helps to improve the efficiency of wind energy capture, increase the output power of the power generation device, and enhance the stability and reliability of the device.
- the generator set 6 includes a generator set housing 601, and both ends of the generator set housing 601 are fixedly connected to the speed increasing unit 5 and the counterweight box 7 respectively; a plurality of sound insulation devices 602 and a plurality of fire extinguishing agent nozzles 603 are installed on the inner surface of the generator set housing 601; the fire extinguishing agent nozzles 603 are connected to the fire extinguishing agent storage tank 605 through the fire extinguishing agent conduit 604; a pushing disc 606 is provided at the bottom of the fire extinguishing agent storage tank 605; the pushing disc 606 is connected to the pusher 608 through a transmission mechanism 607; wherein the pushing disc 606 can be slidably connected to the bottom of the fire extinguishing agent storage tank 605 up and down, and the outer side of the pushing disc 606 can be sealed and slidably connected to the inner side of the fire extinguishing agent storage tank 605;
- a lower support plate 609 is installed at the bottom of the generator housing 601, and a plurality of first spring seats 610 are installed on the upper surface of the lower support plate 609, and a plurality of slide grooves are arranged on the side of the first spring seat 610; the cylindrical protrusion on the first limit stopper 611 is slidably connected with the slide groove on the side of the first spring seat 610; a first spring device 612 is fixed between the upper surface of the first limit stopper 611 and the lower surface of the second spring seat 613; an upper support plate 619 is installed on the upper surface of the second spring seat 613, and a second spring device 614 is fixed between the side of the second spring seat 613 and the first articulated bracket 615; an articulated connecting rod 617 is articulated with the first articulated bracket 615 and the second articulated bracket 616 respectively; the second articulated bracket 616 is installed on the upper surface of the lower support plate 609; a second limit stopper 618 is arranged on the upper end of the first articulated bracket 615,
- the generator 621 is embedded in the through hole on the upper support plate 619, and the generator 621 and the upper support plate 619 are fixed by a fixing device 622; the power input end of the generator 621 is fixed to the second input shaft 620 through a flexible coupling.
- the pusher 608 can be a motor, and the output shaft of the pusher 608 can correspond to the front and rear direction in FIG9.
- the transmission mechanism 607 is used to convert the rotational motion output by the pusher 608 through the transmission mechanism 607 into an up and down linear motion
- the transmission mechanism 607 can be a gear rack structure, such as a gear fixedly connected to the output shaft of the pusher 608, the gear meshes with the rack, and the rack is fixedly connected to the pusher disc 606; or the output shaft of the pusher 608 can be fixed to the mounting disc
- the transmission mechanism 607 is a connecting rod, one end of the connecting rod is eccentrically connected to the mounting disc, and the other end of the connecting rod is hinged to the pusher disc 606)
- the sound insulation device is an existing device and can be an existing sound insulation cotton.
- a number of heat dissipation holes are provided on the generator housing 601 to promote heat dissipation inside the generator and ensure that the operating temperature of the generator 6 is within a reasonable range.
- a number of sound insulation devices 602 are installed on the inner surface of the generator housing 601. The sound insulation devices 602 absorb the noise waves generated by the generator 6 to reduce the spread of noise and interference with the surrounding environment;
- a fire extinguishing agent nozzle 603 and a fire extinguishing agent conduit 604 are arranged in the generator housing 601, and the fire extinguishing agent is sprayed to prevent the generator 6 from catching fire.
- the power output end of the pusher 608 is connected to the power input end of the transmission mechanism 607 through a fixing device, and the power output end of the transmission mechanism 607 is fixedly connected to the pusher disc 606.
- the transmission mechanism 607 converts the rotary motion output by the pusher 608 into linear motion through the transmission mechanism 607, and then pushes the fire extinguishing agent in the fire extinguishing agent tank 605 to be sprayed out through the fire extinguishing agent nozzle 603 through the pusher disc 606, so that the fire extinguishing system can respond quickly and extinguish potential fires;
- a plurality of first spring seats 610 and first limit pins 611, second spring seats 613 and second limit pins 618 are installed on the lower support plate 609 to provide support and limit for the generator 621. Such a design can reduce the impact of vibration and shock on the generator set and enhance the stability and reliability of the generator set;
- the generator 621 is embedded in the through hole of the upper support plate 619 and fixed by the fixing device 622, and connected to the second input shaft 620 by a flexible coupling. This installation method ensures the stability and reliability of the generator and can effectively transmit power input;
- the generator set 6 of Example 5 achieves better heat dissipation performance, noise control and safety, while providing stable support and limit functions to ensure the stable operation and efficient power generation of the generator set.
- Example 2 it also includes an automatic control system for windward angle, which includes a horizontal wind direction and speed sensor 11, a vertical wind direction and speed sensor 10 and an automatic controller; the horizontal wind direction and speed sensor 11 and the vertical wind direction and speed sensor 10 send the detected wind speed and direction information of the corresponding direction to the automatic controller, and the automatic controller runs a control algorithm according to the wind speed and direction information to control the vertical angle drive device 12 and the horizontal angle drive device 13, so that the windward surface of the wind turbine blade is perpendicular to the wind direction; the automatic controller runs a corresponding control algorithm according to the wind speed and direction information to control the speed regulating motor 509, so that the speed of the power input end of the generator 621 is constant so that the power generation power is constant, and the specific control algorithm steps are as follows:
- ⁇ 1 represents the horizontal angle change
- ⁇ 1 represents the current horizontal wind direction angle
- ⁇ ' 1 represents the horizontal wind direction angle of the previous unit time
- ⁇ 2 represents the vertical angle change
- ⁇ 2 represents the current vertical wind direction angle
- ⁇ ' 2 represents the vertical wind direction angle of the previous unit time
- Step 2 The automatic controller controls the horizontal angle drive device 13 and the vertical angle drive device 12 according to the horizontal angle change ⁇ 1 and the vertical angle change ⁇ 2 calculated by formula 1 and formula 2.
- ⁇ 1 and ⁇ 2 are negative, the automatic controller changes the direction of the control current according to the corresponding program judgment, and then controls the horizontal rotation drive motor 8 and the hydraulic valve to work in reverse:
- tep is the control step length of the horizontal rotation drive motor 8 (the control length is the number of pulses of the control current),
- T is the total step length of the horizontal rotation drive motor 8, ⁇ 0 is the step angle of the horizontal rotation drive motor 8, ⁇ is 3.1415926, P is the target driving power of the pump in the hydraulic pump 1201, PV is the oil supply pressure detected by the pressure gauge in the hydraulic pipe 1202, q v is the working flow per unit time detected by the flow meter in the hydraulic pipe 1202,
- Step 3 The automatic controller calculates the target working power P t of the speed regulating motor 509 according to the wind speed information detected by the horizontal wind direction wind speed sensor 11 and the vertical wind direction wind speed sensor 10:
- Pt is the target working power of the speed regulating motor 509
- Pf is the preset generator power
- ⁇ is the working efficiency of the speed increasing unit 5
- ⁇ is the working efficiency of the wind turbine blades
- Pm is the input power of the wind turbine blades
- ⁇ is the air density
- R is the rotation radius of the wind turbine blades
- v1 is the wind speed detected by the horizontal wind speed sensor 11
- v2 is the vertical wind speed.
- ⁇ is the influencing factor of the horizontal wind speed
- ⁇ is the influencing factor of the vertical wind speed
- ⁇ is the tip speed ratio of the wind turbine blade
- ⁇ is the wind energy utilization coefficient of the wind turbine
- PS is the output power of a single suction fan unit
- ⁇ is the number of suction fans
- e is a natural constant.
- the wind direction information detected by the horizontal wind direction and speed sensor 11 and the vertical wind direction and speed sensor 10 is used to automatically adjust the vertical angle drive device 12 and the horizontal angle drive device 13 according to the wind direction information, so that the windward surface of the wind turbine blade is perpendicular to the wind direction. This can maximize the use of wind energy, improve wind power generation efficiency, save human resources, and save operating costs;
- the speed regulating motor 509 is automatically controlled to keep the speed of the power input end of the generator 621 constant, thereby automatically keeping the power generation constant.
- This control method can optimize the operating state of the generator and improve the power generation efficiency and stability;
- the controller runs the corresponding control algorithm steps according to the wind direction and wind speed information, including calculating the horizontal angle change and the vertical angle change, controlling the operation of the horizontal angle drive device and the vertical angle drive device, calculating and controlling the working power of the speed regulating motor, etc.
- Such a control algorithm can achieve precise control of the wind turbine blades to adapt to different wind speed and wind direction changes and maximize the power generation efficiency.
- the windward angle automatic control system realizes the automatic adjustment of the windward angle of the wind turbine blades and the constant control of the power generation, thereby improving the energy utilization efficiency and stability of the wind turbine.
- Embodiment 7 based on any one of Embodiments 2-6, further comprises:
- the key equipment information collection module is used to collect the actual working information of the key equipment in the wind power generation device, and the actual working information of the key equipment includes: the actual working parameters of the key equipment (which may include the current of the motor) and the actual position parameters of the key equipment;
- a first comparison module is used to compare the actual working information of the key equipment with the corresponding standard working information of the key equipment, and determine the abnormal parameter information of the key equipment (which is an abnormal working parameter or an abnormal position parameter), and the parameter corresponding to the abnormal parameter information is the first abnormal parameter (for example, if the i-th actual working parameter of the key equipment is greater than the corresponding standard working parameter, then the i-th actual working parameter is the first abnormal parameter);
- a first calculation module configured to determine a first evaluation result of the key equipment based on the first comparison module when the first abnormal parameter does not exist
- P ik is the first evaluation result of the kth evaluation parameter (working parameter or position parameter) of the i-th key equipment
- iM is the total number of detections of the i-th key equipment in the detection cycle
- a ijk is the j-th actual detection value of the k-th evaluation parameter of the i-th key equipment
- a ik0 is the rated reference value of the k-th evaluation parameter of the i-th key equipment
- a i(j-1)k is the j-1-th actual detection value of the k-th evaluation parameter of the i-th key equipment
- the kth evaluation parameter of the i-th key equipment is determined to be the second abnormal parameter; an acquisition module is used to acquire historical abnormal maintenance information of the key equipment;
- a second calculation module used for determining a first target evaluation result based on the acquisition module
- P ik0 ' is the first target evaluation result corresponding to P ik
- P ik0 is the initial evaluation result corresponding to P ik (the factory preset value)
- ln is natural logarithm
- e is a natural constant
- G is the total number of maintenances for the i-th key equipment
- fiw is the number of maintenances for the i-th key equipment with maintenance level w
- tiw is the quality impact coefficient of the maintenance of the i-th key equipment with maintenance level w on the i-th key equipment
- bw1 is The corresponding benchmark value
- Si W is the average maintenance time interval for the i-th key equipment
- SiW0 is the benchmark value corresponding to SiW ;
- the actual working parameters and actual position parameters of the key equipment in the wind power generation device are acquired in real time through the key equipment information acquisition module.
- the actual working parameters of the key equipment are abnormal and the actual position parameters of the key equipment are abnormal, the corresponding parameters are all first abnormal parameters.
- the wind power generation device can be repaired through early warning;
- the first evaluation result of the key equipment based on the first comparison module, that is, the actual working parameter of the key equipment, when the actual position parameter of the key equipment does not reach the abnormal threshold value at a single time, based on: the actual working parameter of the key equipment, when the actual position parameter of the key equipment and the difference between the corresponding abnormal threshold value
- the actual working parameters of key equipment or the change status of the actual position parameters of key equipment Comprehensively evaluate the overall status of key equipment and issue an early warning when the status is abnormal. That is, although the single value does not reach the abnormal threshold, the overall change status of adjacent detections and the difference between the single value and the abnormal threshold are abnormal, prompting maintenance in time;
- the threshold value P ik0 ' of the overall status of the evaluation is adaptively adjusted according to the maintenance status of the key equipment, so that the evaluation of the overall status is more adapted to the current status of the equipment.
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Abstract
一种风力发电叶片,包括叶片本体(3),叶片本体(3)呈长条状,叶片本体(3)上窄下宽,其相对两侧面分别为弧形凸起面(31)和安装面(32),安装面(32)上安装若干吸风机组和若干太阳能发电板(35);通过在叶片本体(3)的安装面(32)上安装吸风机组和太阳能发电板(35),加强了对太阳能的利用;太阳能发电板(35)通过吸收阳光并将光能转换为电能,为无刷电机(301)供电;当风速较小时,无刷电机(301)在太阳能的驱动下,带动转轮吸收经过叶片本体(3)侧面的风,吸收的风对叶片本体(3)产生转矩作用,推动叶片本体(3)转动,这样提高了叶片本体(3)的转动速度,提高了对风力资源的利用,提高了发电效率,增加了发电装置的发电量。另外,还涉及具有该叶片的风力发电装置。
Description
本发明涉及风力发电技术领域,具体为一种风力发电叶片及风力发电装置。
风力发电是一种利用风能转化为电能的可再生能源技术,具有巨大的潜力和广泛的应用前景。它利用风轮转动驱动发电机发电,既环保又可持续,能够减少对传统能源的依赖,并降低温室气体排放。
风力发电技术在过去几十年里取得了显著的进步。现代风力发电装置通常采用大型的桨叶和高效的发电机,能够在不同风速下产生更多的电能,然而,现有技术中,风力发电叶片中缺乏对叶片侧向风能利用的装置,影响风能利用率。
发明内容
本发明提供一种风力发电叶片及风力发电装置,用以解决上述背景技术提出的:现有技术中,风力发电叶片中缺乏对叶片侧向风能利用的装置,影响风能利用率技术问题。
为解决上述技术问题,本发明公开了一种风力发电叶片,包括叶片本体,叶片本体呈长条状,叶片本体上窄下宽,叶片本体的相对两侧面分别为弧形凸起面和安装面,所述安装面上安装若干吸风机组和若干太阳能发电板。
优选的,所述吸风机组包括无刷电机,无刷电机固定在所述叶片本体的安装面上,无刷电机与太阳能发电板电连接;所述无刷电机输出端通过联轴器和固定销与转轮顶面固定,所述转轮侧面安装有若干风扇叶片。
本发明还公开了一种风力发电装置,包括所述的一种风力发电叶片,所述风力发电装置还包括支撑座,支撑座与支撑柱底部固定连接;所述支撑柱顶端有一空腔,空腔内安装有水平角度驱动装置,转动圆盘安装在水平角度驱动装置的工作端,转动圆盘上表面安装有铅垂角度驱动装置,所述铅垂角度驱动装置中的工作端与发电机组侧面固定连接;所述发电机组一端与增速机组固定连接,发电机组另一端与配重箱固定连接;所述增速机组远离所述发电机组中的第一输入轴通过联轴器与传动转盘固定连接,所述叶片本体通过固定装置与传动转盘内的支撑阶梯轴固定连接。
优选的,所述传动转盘为一壳体结构,传动转盘内部活动连接有第一锥齿轮,所述第一锥齿轮与第一传动轴通过键连接;所述第一传动轴另一端通过联轴器与减速器连接,所述减速器通过联轴器与驱动电机连接;所述第一锥齿轮分别与若干第二锥齿轮啮合,所述第二锥齿轮与所述支撑阶梯轴通过键连接;所述支撑阶梯轴与第一固定板和第二固定板转动连接,第一固定板和第二固定板固定在所述传动转盘内;所述传动转盘外圆一侧与挡风盖固定连接,所述驱动电机与所述挡风盖内表面连接。
优选的,所述水平角度驱动装置包括第一轴承座,第一轴承座安装于所述支撑柱顶端空腔底部;所述第一轴承座通过轴承与第二传动轴活动连接;所述第二传动轴另一端与第三锥齿轮通过键连接;所述第三锥齿轮与第四锥齿轮啮合;所述第四锥齿轮通过第三传动轴与水平转动驱动电机的输出轴连接;所述水平转动驱动电机固定在所述支撑柱上部外侧;所述支撑柱顶端与第二轴承座固定连接,所述第二轴承座内安装有滑动轴承,所述转动圆盘固定于所述滑动轴承上表面,同时转动圆盘下表面与第四锥齿轮刚性连接。
优选的,所述铅垂角度驱动装置包括下驱动盘,下驱动盘与所述转动圆盘固定连接,同时下驱动盘通过若干加强杆与所述转动圆盘固定;所述下驱动盘上设置的凹槽与所述上驱动盘外
圆表面滑动连接,所述下驱动盘上设置的滑槽和所述上驱动盘侧面设置的滑槽凸起滑动连接;所述下驱动盘内设置有若干液压管;所述液压管一端伸出所述下驱动盘与液压泵连接,所述液压管另一端通过液压阀与液压推杆连接;所述液压推杆曲率与所述上驱动盘、所述下驱动盘曲率相等,液压推杆另一端与所述上驱动盘固定连接。
优选的,所述配重箱上表面和一侧面分别设置有水平风向风速传感器和铅垂风向风速传感器。
优选的,所述增速机组包括第一输入轴,第一输入轴通过联轴器与传动转盘固定连接,第一输入轴通过轴承装置与增速器外壳活动连接,第一输入轴伸入所述增速器外壳内一端与第一内齿圈通过键连接;所述第一内齿圈与若干第一驱动轮啮合,若干第一驱动轮与第一中心轮啮合;所述第一驱动轮与第一驱动转架活动连接;
所述第一驱动转架远离第一驱动轮一端与第二内齿圈通过键连接;所述第二内齿圈与若干第二驱动轮啮合,若干第二驱动轮与第二中心轮啮合;所述第二驱动轮与第二驱动转架活动连接;所述第二驱动转架远离第二驱动轮一端通过联轴器与第一输出轴固定连接;
所述第二驱动转架内侧通过固定架与调速电机固定连接,调速电机动力输出端与第四传动轴固定连接;
所述第一驱动转架和所述第二中心轮中心分别设置有第一通孔和第二通孔,所述第四传动轴通过第一通孔和第二通孔与第一中心轮、第二中心轮固定连接。
优选的,发电机组包括发电机组外壳,发电机组外壳两端分别与增速机组和配重箱固定连接;发电机组外壳内表面安装有若干隔音装置和若干灭火剂喷头;灭火剂喷头通过灭火剂导管与灭火剂储箱连接;灭火剂储箱底部设置有推料圆盘;推料圆盘通过传动机构与推料机连接;发电机组外壳底部安装有下支撑板,下支撑板上表面安装有若干第一弹簧座,第一弹簧座侧面设置有若干滑槽;第一限位卡销上的圆柱凸起与第一弹簧座侧面上的滑槽滑动连接;第一限位卡销上表面和第二弹簧座下表面之间固定有第一弹簧装置;第二弹簧座上表面安装有上支撑板,第二弹簧座侧面和第一铰接支架之间固定有第二弹簧装置;铰接连杆分别与第一铰接支架和第二铰接支架铰接;第二铰接支架安装于下支撑板上表面;第一铰接支架上端设置有第二限位卡销,第二限位卡销与上支撑板滑动连接;
发电机嵌入上支撑板上的通孔,同时发电机和上支撑板通过固定装置进行固定;发电机动力输入端通过柔性联轴器与第二输入轴固定。
下面通过附图和实施例,对本发明的技术方案做进一步的详细描述。
附图用来提供对本发明的进一步理解,并且构成说明书的一部分,与本发明的实施例一起用于解释本发明,并不构成对本发明的限制。在附图中:
图1为本发明风力发电叶片的侧视图;
图2为本发明风力发电叶片某一位置的横截面;
图3为图1中A区域放大结构示意图;
图4为本发明风力发电装置整体结构示意图;
图5为图4中B区域放大结构示意图;
图6为本发明风力发电装置中传动转盘内部结构示意图;
图7为本发明风力发电装置中水平角度驱动装置内部结构示意图;
图8为本发明风力发电装置中增速机组内部结构示意图;
图9为本发明风力发电装置中发电机组内部结构示意图。
图中:1、支撑座;2、支撑柱;3、叶片本体;31、弧形凸起面;32、安装面;301、无刷电机;302、固定销;303、转轮;304、风扇叶片;305、太阳能发电板;306、支撑阶梯轴;307、驱动电机;308、减速器;309、传动转盘;310、第一固定板;311、第二固定板;312、
第一锥齿轮;313、第二锥齿轮;314、第一传动轴;4、挡风盖;5、增速机组;501、增速器外壳;502、第一输入轴;503、第一内齿圈;504、第一驱动轮;505、第一驱动转架;506、第一中心轮;507、第四传动轴;508、第二中心轮;509、调速电机;510、第二内齿圈;511、第二驱动轮;512、第二驱动转架;513、固定架;514、第一输出轴;6、发电机组;601、发电机组外壳;602、隔音装置;603、喷头;604、灭火剂导管;605、灭火剂储箱;606、推料圆盘;607、传动机构;608、推料机;609、下支撑板;610、第一弹簧座;611、第一限位卡销;612、第一弹簧装置;613、第二弹簧座;614、第二弹簧装置;615、第一铰接支架;616、第二铰接支架;617、铰接连杆;618、第二限位卡销;619、上支撑板;620、第二输入轴;621、发电机;622、固定装置;7、配重箱;8、水平转动驱动电机;9、转动圆盘;10、铅垂风向风速传感器;11、水平风向风速传感器;12、铅垂角度驱动装置;1201、液压泵;1202、液压管;1203、加强杆;1204、液压推杆;1205、上驱动盘;1206、下驱动盘;13、水平角度驱动装置;1301、第一轴承座;1302、第二传动轴;1303、第二轴承座;1304、滑动轴承;1305、第三锥齿轮;1306、第四锥齿轮;1307、第三传动轴。
以下结合附图对本发明的优选实施例进行说明,应当理解,此处所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
另外,在本发明中如涉及“第一”、“第二”等的描述仅用于描述目的,并非特别指称次序或顺位的意思,亦非用以限定本发明,其仅仅是为了区别以相同技术用语描述的组件或操作而已,而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外,各个实施例之间的技术方案以及技术特征可以相互结合,但是必须是以本领域普通技术人员能够实现为基础,当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在,也不在本发明要求的保护范围之内。
本发明提供如下实施例
实施例1
本发明实施例1提供了一种风力发电叶片,如图1-图3所示,包括叶片本体3,叶片本体3呈长条状,叶片本体3上窄下宽,叶片本体3的相对两侧面分别为弧形凸起面31和安装面32,所述安装面32上安装若干吸风机组和若干太阳能发电板305;
所述吸风机组包括无刷电机301,无刷电机301固定在所述叶片本体3的安装面32上,无刷电机301与太阳能发电板305电连接;所述无刷电机301输出端通过联轴器和固定销302与转轮303顶面固定,所述转轮303侧面安装有若干风扇叶片304。
上述技术方案的工作原理及有益效果为:
1.叶片本体3采用长条状设计,总体上窄下宽,弧形凸起面31与安装面32相对,当风经过叶片本体3时,叶片本体3两侧产生压强差,从而使得叶片本体3转动。叶片本体3通过固定装置与传动转盘309内的支撑阶梯轴306固定连接,这种结构设计能够增强风力捕捉效果,提高风能的转换效率;
2.通过在叶片本体3的安装面上安装吸风机组和太阳能发电板305,加强了对太阳能利用。太阳能发电板305通过吸收阳光并将光能转换为电能,为无刷电机301供电。当风速较小时,无刷电机301在太阳能的驱动下,带动转轮303吸收经过叶片本体3侧面的风,吸收的风对叶片本体3产生转矩作用,推动叶片本体3转动,这样提高了叶片本体3的转动速度,提高了对风力资源的利用,提高了发电效率,增加了发电装置的发电量;本发明柯根据发电需求,控制吸风机是否工作;
3.吸风机组中采用无刷电机301,无刷电机具有高效率、低噪音、长寿命和可靠性等优点。通过与太阳能发电板305的电连接,并通过联轴器和固定销302与转轮303顶面固定。这种无刷电机技术的应用,降低了噪音,提高了工作寿命,提高了发电装置的效率和可靠性;综上所述,实施例1通过双重能源的利用、灵活的装置结构和无刷电机技术的应用,能够提高风力发电装置的发电效率、增加能源利用率,并具备高效率、低噪音和长寿命等优点。本发明解决了:背景技术提出的:现有技术中,风力发电叶片中缺乏对叶片侧向风能利用的装置,影响风能利用率的问题。
实施例2
在实施例1的基础上,如图4-图6所示,所述风力发电装置还包括支撑座1,支撑座1与支撑柱2底部固定连接;所述支撑柱2顶端有一空腔,空腔内安装有水平角度驱动装置13,转动圆盘9安装在水平角度驱动装置13的工作端,转动圆盘9上表面安装有铅垂角度驱动装置12,所述铅垂角度驱动装置12中的工作端与发电机组6侧面固定连接;所述发电机组6一端与增速机组5固定连接,发电机组6另一端与配重箱7固定连接;所述增速机组5中的第一输入轴502通过联轴器与传动转盘309固定连接,所述叶片本体3通过固定装置与传动转盘309内的支撑阶梯轴306固定连接。
所述传动转盘309为一壳体结构,传动转盘309内部活动连接有第一锥齿轮312,所述第一锥齿轮312与第一传动轴314通过键连接;所述第一传动轴314另一端通过联轴器与减速器308连接,所述减速器308通过联轴器与驱动电机307连接;所述第一锥齿轮312分别与若干第二锥齿轮313啮合,所述第二锥齿轮313与所述支撑阶梯轴306通过键连接;所述支撑阶梯轴306与第一固定板310和第二固定板311转动连接,第一固定板310和第二固定板311固定在所述传动转盘309内;所述传动转盘309外圆一侧与挡风盖4固定连接,所述驱动电机307与所述挡风盖4内表面连接。
优选的,所述配重箱7上表面和一侧面分别设置有水平风向风速传感器11和铅垂风向风速传感器10。
上述技术方案的工作原理及有益效果为:
1.在支撑柱2的顶端空腔内安装水平角度驱动装置13,并将转动圆盘9安装在水平角度驱动装置13的工作端上,风力发电机构安装在转动圆盘9上。此设计可以使风力发电机构在水平方向上进行旋转,增加了风力发电装置的适应性和调节性;
2.转动圆盘9的上表面安装有铅垂角度驱动装置12,通过铅垂角度驱动装置的应用,可以使风力发电机构在垂直方向上进行旋转,实现了更广泛的风向捕捉和发电效果;
3.在传动转盘309内部,第一锥齿轮312与驱动电机307通过某些机构连接,并与若干第二锥齿轮313相啮合,第二锥齿轮313与支撑阶梯轴306通过键连接,支撑阶梯轴306又与叶片本体3连接。这种多级锥齿轮传动的设计可以实现从驱动电机307到叶片本体3的动力传递,对于不同风况可实时调整叶片本体3的角度,以适应不同的相对风速方向对发电叶片的影响,提高风力发电效率,提高风力发电量;
4.挡风盖4安装在传动转盘309上,可以降低相关机构对风速的影响,可以改善风力发电装置在恶劣天气条件下的稳定性和抗风能力;
综上所述,实施例2的风力发电装置通过角度驱动装置、铅垂角度驱动装置、增速机组、减速器和控制叶片转向等技术的应用,实现了更广泛的风向捕捉、提高了发电效率和稳定性。同时,挡风盖设置进一步增强了装置的稳定性和适应性。
实施例3
在实施例2的基础上,如图5、图7所示,所述水平角度驱动装置13包括第一轴承座1301,第一轴承座1301安装于所述支撑柱2顶端空腔底部;所述第一轴承座1301通过轴承与第二传动轴1302活动连接;所述第二传动轴1302另一端与第三锥齿轮1305通过键连接;所
述第三锥齿轮1305与第四锥齿轮1306啮合;所述第四锥齿轮1306通过第三传动轴1307与水平转动驱动电机8的输出轴连接;所述水平转动驱动电机8固定在所述支撑柱2上部外侧;所述支撑柱2顶端与第二轴承座1303固定连接,所述第二轴承座1303内安装有滑动轴承1304,所述转动圆盘9固定于所述滑动轴承1304上表面,同时转动圆盘9下表面与第四锥齿轮1306刚性连接。
所述铅垂角度驱动装置12包括下驱动盘1206,下驱动盘1206与所述转动圆盘9固定连接,同时下驱动盘1206通过若干加强杆1203与所述转动圆盘9固定;所述下驱动盘1206上设置的凹槽与所述上驱动盘1205外圆表面滑动连接,所述下驱动盘1206上设置的滑槽和所述上驱动盘1205侧面设置的滑槽凸起滑动连接;所述下驱动盘1206内设置有若干液压管1202;所述液压管1202一端伸出所述下驱动盘1206与液压泵1201连接,所述液压管1202另一端通过液压阀与液压推杆1204连接;所述液压推杆1204曲率与所述上驱动盘1205、所述下驱动盘1206曲率相等,液压推杆1204另一端与所述上驱动盘1205固定连接。
上述技术方案的工作原理及有益效果为:
1.水平角度驱动装置13包括第一轴承座1301、第二传动轴1302、第三锥齿轮1305、第四锥齿轮1306和水平转动驱动电机8。通过这样的设计,可以实现支撑柱2顶端空腔底部的水平转动,从而改变风力发电装置的水平角度。这样的改进使得装置能够更好地适应不同的风向和风速条件,提高了风能的利用效率;
2.在支撑柱2顶端与第二轴承座1303的固定连接中加入了滑动轴承1304,转动圆盘9固定于滑动轴承1304上表面,并与第四锥齿轮1306刚性连接。这种支撑结构可以减少支撑柱和转动圆盘之间的摩擦,降低转动阻力,提高转动的平稳性和效率;
3.铅垂角度驱动装置12包括下驱动盘1206、上驱动盘1205、加强杆1203、液压管1202和液压推杆1204。通过凹槽和滑槽的设计,使下驱动盘1206与上驱动盘1205形成滑动连接。液压管1202与液压泵1201和液压推杆1204的连接使得液压推杆能够控制上驱动盘1205和下驱动盘1206之间的相对运动。这样的改进使得装置能够在垂直方向上进行角度调节,提高了风力发电装置对不同风向的适应性;
综上所述,通过设置水平角度驱动装置、铅垂角度驱动装置可以使得风力发电叶片转动面与风向始终处于垂直位置,确保了风经过叶片本体3产生更大的压强差,实现了更高效的转动性能。这些改进有助于提高风能的捕捉效率、适应不同的风向和风速条件,并提高发电装置的稳定性和可靠性。
实施例4
在实施例2的基础上,如图8所示,所述增速机组5包括第一输入轴502,第一输入轴502通过联轴器与传动转盘309固定连接,第一输入轴502通过轴承装置与增速器外壳501活动连接,第一输入轴502伸入所述增速器外壳501内一端与第一内齿圈503通过键连接;所述第一内齿圈503与若干第一驱动轮504啮合,若干第一驱动轮504与第一中心轮506啮合;所述第一驱动轮504与第一驱动转架505活动连接;
所述第一驱动转架505远离第一驱动轮504一端与第二内齿圈510通过键连接;所述第二内齿圈510与若干第二驱动轮511啮合,若干第二驱动轮511与第二中心轮508啮合;所述第二驱动轮511与第二驱动转架512活动连接;所述第二驱动转架512远离第二驱动轮511一端通过联轴器与第一输出轴514固定连接;所述第一输出轴514通过轴承装置与增速器外壳501活动连接(转动连接);第一输出轴514与第二输入轴620固定连接;
所述第二驱动转架512内侧通过固定架513与调速电机509固定连接,调速电机509动力输出端与第四传动轴507固定连接;
所述第一驱动转架505和所述第二中心轮508中心分别设置有第一通孔和第二通孔,所述第四传动轴507通过第一通孔和第二通孔与第一中心轮506、第二中心轮508固定连接。
上述技术方案的工作原理及有益效果为:
1.增速机组5包括第一输入轴502、第一内齿圈503、第一驱动轮504、第一驱动转架505、第二内齿圈510、第二驱动轮511、第二驱动转架512和第一输出轴514。通过通过多级传动的结构,增速机构能够实现对输入转速的有效增加,并将增加后的转速输出到第一输出轴514上,可以提高风力发电装置的发电效率;
2.增速机组5中的调速电机509通过动力输出端与第四传动轴507固定连接,第四传动轴507与第一驱动轮504、第二驱动轮511固定连接,这使得调速电机509可以控制第一驱动轮504和第二驱动轮511的转速,进而调节整个增速机组的传动系数。通过调整增速机组的传动系数,可以更好地适应不同的风速条件,从而保证增速机组中第一输出轴514的稳定转速输出,可以使发电机组6发电功率稳定,提高风力发电装置的性能和稳定性;
综上所述,通过优化的增速机组设计和调速电机的引入,风力发电装置实现了更高的转速和更好的适应性,这有助于提高风能的捕捉效率、提高发电装置的输出功率,并增强装置的稳定性和可靠性。
实施例5
在实施例2的基础上,如图9所示,发电机组6包括发电机组外壳601,发电机组外壳601两端分别与增速机组5和配重箱7固定连接;发电机组外壳601内表面安装有若干隔音装置602和若干灭火剂喷头603;灭火剂喷头603通过灭火剂导管604与灭火剂储箱605连接;灭火剂储箱605底部设置有推料圆盘606;推料圆盘606通过传动机构607与推料机608连接;其中,推料圆盘606可上下滑动连接在灭火剂储箱605内底部,推料圆盘606外侧可与灭火剂储箱605内侧密封滑动连接;
发电机组外壳601底部安装有下支撑板609,下支撑板609上表面安装有若干第一弹簧座610,第一弹簧座610侧面设置有若干滑槽;第一限位卡销611上的圆柱凸起与第一弹簧座610侧面上的滑槽滑动连接;第一限位卡销611上表面和第二弹簧座613下表面之间固定有第一弹簧装置612;第二弹簧座613上表面安装有上支撑板619,第二弹簧座613侧面和第一铰接支架615之间固定有第二弹簧装置614;铰接连杆617分别与第一铰接支架615和第二铰接支架616铰接;第二铰接支架616安装于下支撑板609上表面;第一铰接支架615上端设置有第二限位卡销618,第二限位卡销618与上支撑板619滑动连接;
发电机621嵌入上支撑板619上的通孔,同时发电机621和上支撑板619通过固定装置622进行固定;发电机621动力输入端通过柔性联轴器与第二输入轴620固定。推料机608可为电机,推料机608的输出轴可对应图9为前后方向,传动机构607用于将传动机构607将推料机608输出的旋转运动通过传动机构607转化为上下直线运动(传动机构607可为齿轮齿条结构,如齿轮与推料机608输出轴固定连接,齿轮与齿条啮合,齿条与推料圆盘606固定连接;或推料机608输出轴可固定安装盘,传动机构607为连杆,连杆一端与安装盘偏心转动连接,连杆另一端与推料圆盘606铰接)
隔音装置为现有装置,可为现有的隔音棉。
上述技术方案的有益效果为:
1.发电机组外壳601上设置有若干散热孔,以促进发电机组内部的热量散发,确保发电机组6的工作温度在合理范围内。同时,在发电机组外壳601内表面安装了若干隔音装置602,隔音装置602吸收发电机组6产生的噪声音波,以减少噪音的传播和干扰周围环境;
2.发电机组外壳601内设置了灭火剂喷头603和灭火剂导管604,通过灭火剂喷射来防止发电机组6发生火灾。推料机608动力输出端与传动机构607动力输入端通过固定装置连接,传动机构607动力输出端与推料圆盘606固定连接,传动机构607将推料机608输出的旋转运动通过传动机构607转化为直线运动,进而通过推料圆盘606推动灭火剂储箱605内的灭火剂通过灭火剂喷头603喷出,使得灭火系统能够迅速响应并扑灭潜在的火灾;
3.下支撑板609上安装了若干第一弹簧座610和第一限位卡销611,第二弹簧座613和第二限位卡销618,以提供对发电机621的支撑和限位。这样的设计可以减少振动和震动对发电机组的影响,增强发电机组的稳定性和可靠性;
4.发电机621嵌入上支撑板619的通孔,并通过固定装置622进行固定,同时与第二输入轴620通过柔性联轴器连接。这样的安装方式保证了发电机的稳定性和可靠性,并且能够有效地传递动力输入;
综上所述,通过散热和隔音优化、灭火系统、弹簧支撑和限位装置以及发电机的合理安装,实施例5的发电机组6实现了更好的散热性能、噪音控制和安全性,同时提供了稳定的支撑和限位功能,确保发电机组的稳定工作和高效发电。
实施例6
在实施例2的基础上,还包括迎风角度自动控制系统,迎风角度控制系统包括水平风向风速传感器11、铅垂风向风速传感器10和自动控制器;水平风向风速传感器11和铅垂风向风速传感器10将检测到相应方向的风速风向信息发送给自动控制器,自动控制器根据风速风向信息运行控制算法控制铅垂角度驱动装置12和水平角度驱动装置13,使得风力发电叶片迎风面与风向垂直;自动控制器根据风速风向信息并运行相应控制算法控制调速电机509,使得发电机621动力输入端转速恒定从而发电功率恒定,具体控制算法步骤如下:
步骤1:自动控制器根据水平风向风速传感器11和铅垂风向风速传感器10检测到的风向信息得出水平角度变化量Δθ1和铅垂角度变化量Δθ2:
Δθ1=θ1-θ'1 (1);
Δθ2=θ2-θ'2 (2);
Δθ1=θ1-θ'1 (1);
Δθ2=θ2-θ'2 (2);
其中:Δθ1表示水平角度变化量,θ1表示当前水平风向角度,θ'1表示前一单位时间的水平风向角度,Δθ2表示铅垂角度变化量,θ2表示当前铅垂风向角度,θ'2表示前一单位时间的铅垂风向角度;
步骤2:自动控制器根据公式1和公式2计算得出的水平角度变化量Δθ1和铅垂角度变化量Δθ2控制水平角度驱动装置13和铅垂角度驱动装置12,Δθ1和Δθ2为负时,自动控制器根据相应程序判断,改变控制电流方向,进而控制水平转动驱动电机8和液压阀反向工作:
其中:tep为水平转动驱动电机8控制步长(控制布长为控制电流的脉冲数),|Δθ1|表示Δθ1取绝对值,T为水平转动驱动电机8总步长,θ0为水平转动驱动电机8步距角,π取3.1415926,P为液压泵1201内泵机的目标驱动功率,PV为液压管1202内压力计检测到的供油压强,qv为液压管1202内流量计检测到的单位时间工作流量,|Δθ2|表示Δθ2取绝对值,r为液压管1202的曲率半径,r0为液压推杆1204内径,r1为液压管1202内径,t为预设的铅垂角度驱动装置12响应时间,η为液压泵1201工作效率;
步骤3:自动控制器根据水平风向风速传感器11和铅垂风向风速传感器10检测到的风速信息,计算得出控制调速电机509的目标工作功率Pt:
其中:Pt为调速电机509的目标工作功率,Pf为预设的发电机功率,δ为增速机组5的工作效率,τ为风力发电叶片的工作效率,Pm为风力发电叶片的输入功率,ρ为空气密度,R为风力发电叶片转动半径,v1为水平风向风速传感器11检测到的风速,v2为铅垂风向风速
传感器10检测到的风速,ω为水平面风速影响因素,φ为铅垂面风速影响因素,λ为风力发电叶片叶尖速比,β为风力发电装置的风能利用系数,PS为单个吸风机组的输出功率,μ为吸风机组的数量,e为自然常数。
上述技术方案的有益效果为:
1.通过水平风向风速传感器11和铅垂风向风速传感器10检测到的风向信息,并根据风向信息进行相应的控制算法,自动调整铅垂角度驱动装置12和水平角度驱动装置13,使风力发电叶片迎风面与风向垂直。这样可以最大程度地利用风能,提高风力发电效率,节约人力资源,节约运营成本;
2.根据水平风向风速传感器11和铅垂风向风速传感器10检测到的风速信息,自动控制调速电机509,使得发电机621的动力输入端转速保持恒定,从而自动保持发电功率的恒定。这种控制方式可以优化发电机的运行状态,提高发电效率和稳定性;
3.通过控制器根据风向和风速信息运行相应的控制算法步骤,包括计算水平角度变化量和铅垂角度变化量、控制水平角度驱动装置和铅垂角度驱动装置的运行、计算控制调速电机的工作功率等。这样的控制算法可以实现对风力发电叶片的精确控制,以适应不同的风速和风向变化,最大程度地提高发电效率。
综上所述,迎风角度自动控制系统实现了对风力发电叶片的迎风角度自动调整和发电功率的恒定控制,从而提高了风力发电装置的能量利用效率和稳定性。
实施例7,在实施例2-6中任一项的基础上,还包括:
关键设备信息采集模块,用于采集风力发电装置中关键设备的实际工作信息,关键设备的实际工作信息包括:关键设备的实际工作参数(可包括电机的电流)和关键设备的实际位置参数;
第一比较模块,用于比较关键设备的实际工作信息与对应的关键设备的标准工作信息,确定关键设备的异常参数信息(为异常的工作参数或异常的位置参数),异常参数信息对应的参数为第一异常参数(比如关键设备的第i个实际工作参数大于对应的标准工作参数,则第i个实际工作参数为第一异常参数);
第一计算模块,用于当不存在第一异常参数时,基于第一比较模块确定关键设备的第一评估结果;
Pik为第i个关键设备的第k个评估参数(为工作参数或位置参数)的第一评估结果,iM为第i个关键设备在检测周期内的总检测次数,Aijk为第i个关键设备的第k个评估参数第j次实际检测值,Aik0为第i个关键设备的第k个评估参数的额定基准值,Ai(j-1)k为第i个关键设备的第k个评估参数第j-1次实际检测值;
当Pik大于对应的第一目标评估结果,确定第i个关键设备的第k个评估参数为第二异常参数;获取模块,用于获取关键设备的历史异常维护信息;
第二计算模块,用于基于获取模块确定第一目标评估结果;
Pik0’为Pik对应的第一目标评估结果,Pik0为Pik对应的初始评估结果(为出厂预设值),ln为
自然对数,e为自然常数,G为对第i个关键设备的的总维修次数,fiw为对第i个关键设备的维修等级为w级的维修次数,tiw为对第i个关键设备的维修等级为w级的维修对第i个关键设备的质量影响系数;bw1为对应的基准值,SiW为对第i个关键设备平均维修时间间隔,SiW0为SiW对应的基准值;
上述技术方案的有益效果为:
1.通过关键设备信息采集模块实时获取于采集风力发电装置中关键设备的实际工作参数和实际位置参数,当关键设备的实际工作参数异常、当关键设备的实际位置参数异常对应的参数均为第一异常参数,此时通过预警,可对风力发电装置检修;
2.当不存在第一异常参数时,基于第一比较模块确定关键设备的第一评估结果,即关键设备的实际工作参数、当关键设备的实际位置参数单次均未达到异常阈值时,基于:关键设备的实际工作参数、当关键设备的实际位置参数与对应的异常阈值的差值关键设备的实际工作参数或关键设备的实际位置参数的变化状态综合评估关键设备的整体状态,当状态状态异常时也进行预警,即虽然单次值未达到异常阈值,但综合整体的相邻次检测变化状态和单次值与异常阈值的差值异常也及时提醒检修;
3.且评估第二异常参数时,根据关键设备的维修状态,适应性调整评估的整体状态的阈值Pik0’,实现对整体状态的评估与设备的当前状态更加适应。
显然,本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。
Claims (10)
- 一种风力发电叶片,其特征在于:包括叶片本体(3),叶片本体(3)呈长条状,叶片本体(3)上窄下宽,叶片本体(3)的相对两侧面分别为弧形凸起面(31)和安装面(32),所述安装面(32)上安装若干吸风机组和若干太阳能发电板(305)。
- 根据权利要求1所述一种风力发电叶片,其特征在于:所述吸风机组包括无刷电机(301),无刷电机(301)固定在所述叶片本体(3)的安装面(32)上,无刷电机(301)与太阳能发电板(305)电连接;所述无刷电机(301)输出端通过联轴器和固定销(302)与转轮(303)顶面固定,所述转轮(303)侧面安装有若干风扇叶片(304)。
- 一种风力发电装置,包括如权利要求1或2所述的一种风力发电叶片,其特征在于,所述风力发电装置还包括支撑座(1),支撑座(1)与支撑柱(2)底部固定连接;所述支撑柱(2)顶端有一空腔,空腔内安装有水平角度驱动装置(13),转动圆盘(9)安装在水平角度驱动装置(13)的工作端,转动圆盘(9)上表面安装有铅垂角度驱动装置(12),所述铅垂角度驱动装置(12)中的工作端与发电机组(6)侧面固定连接;所述发电机组(6)一端与增速机组(5)固定连接,发电机组(6)另一端与配重箱(7)固定连接;所述增速机组(5)远离所述发电机组(6)中的第一输入轴(502)通过联轴器与传动转盘(309)固定连接,所述叶片本体(3)通过固定装置与传动转盘(309)内的支撑阶梯轴(306)固定连接。
- 根据权利要求3所述的一种风力发电装置,其特征在于,所述传 动转盘(309)为一壳体结构,传动转盘(309)内部活动连接有第一锥齿轮(312),所述第一锥齿轮(312)与第一传动轴(314)通过键连接;所述第一传动轴(314)另一端通过联轴器与减速器(308)连接,所述减速器(308)通过联轴器与驱动电机(307)连接;所述第一锥齿轮(312)分别与若干第二锥齿轮(313)啮合,所述第二锥齿轮(313)与所述支撑阶梯轴(306)通过键连接;所述支撑阶梯轴(306)与第一固定板(310)和第二固定板(311)转动连接,第一固定板(310)和第二固定板(311)固定在所述传动转盘(309)内;所述传动转盘(309)外圆一侧与挡风盖(4)固定连接,所述驱动电机(307)与所述挡风盖(4)内表面连接。
- 根据权利要求3所述的一种风力发电装置,其特征在于,所述水平角度驱动装置(13)包括第一轴承座(1301),第一轴承座(1301)安装于所述支撑柱(2)顶端空腔底部;所述第一轴承座(1301)通过轴承与第二传动轴(1302)活动连接;所述第二传动轴(1302)另一端与第三锥齿轮(1305)通过键连接;所述第三锥齿轮(1305)与第四锥齿轮(1306)啮合;所述第四锥齿轮(1306)通过第三传动轴(1307)与水平转动驱动电机(8)的输出轴连接;所述水平转动驱动电机(8)固定在所述支撑柱(2)上部外侧;所述支撑柱(2)顶端与第二轴承座(1303)固定连接,所述第二轴承座(1303)内安装有滑动轴承(1304),所述转动圆盘(9)固定于所述滑动轴承(1304)上表面,同时转动圆盘(9)下表面与第四锥齿轮(1306)刚性连接。
- 根据权利要求5所述的一种风力发电装置,其特征在于,所述铅 垂角度驱动装置(12)包括下驱动盘(1206),下驱动盘(1206)与所述转动圆盘(9)固定连接,同时下驱动盘(1206)通过若干加强杆(1203)与所述转动圆盘(9)固定;所述下驱动盘(1206)上设置的凹槽与上驱动盘(1205)外圆表面滑动连接,所述下驱动盘(1206)上设置的滑槽和所述上驱动盘(1205)侧面设置的滑槽凸起滑动连接;所述下驱动盘(1206)内设置有若干液压管(1202);所述液压管(1202)一端伸出所述下驱动盘(1206)与液压泵(1201)连接,所述液压管(1202)另一端通过液压阀与液压推杆(1204)连接;所述液压推杆(1204)曲率与所述上驱动盘(1205)、所述下驱动盘(1206)曲率相等,液压推杆(1204)另一端与所述上驱动盘(1205)固定连接。
- 根据权利要求3所述的一种风力发电装置,其特征在于,所述配重箱(7)上表面和一侧面分别设置有水平风向风速传感器(11)和铅垂风向风速传感器(10)。
- 根据权利要求3所述的一种风力发电装置,其特征在于,所述增速机组(5)包括第一输入轴(502),第一输入轴(502)通过联轴器与传动转盘(309)固定连接,第一输入轴(502)通过轴承装置与增速器外壳(501)活动连接,第一输入轴(502)伸入所述增速器外壳(501)内一端与第一内齿圈(503)通过键连接;所述第一内齿圈(503)与若干第一驱动轮(504)啮合,若干第一驱动轮(504)与第一中心轮(506)啮合;所述第一驱动轮(504)与第一驱动转架(505)活动连接;所述第一驱动转架(505)远离第一驱动轮(504)一端与第二内齿圈 (510)通过键连接;所述第二内齿圈(510)与若干第二驱动轮(511)啮合,若干第二驱动轮(511)与第二中心轮(508)啮合;所述第二驱动轮(511)与第二驱动转架(512)活动连接;所述第二驱动转架(512)远离第二驱动轮(511)一端通过联轴器与第一输出轴(514)固定连接;所述第二驱动转架(512)内侧通过固定架(513)与调速电机(509)固定连接,调速电机(509)动力输出端与第四传动轴(507)固定连接;所述第一驱动转架(505)和所述第二中心轮(508)中心分别设置有第一通孔和第二通孔,所述第四传动轴(507)通过第一通孔和第二通孔与第一中心轮(506)、第二中心轮(508)固定连接。
- 根据权利要求3所述的一种风力发电装置,其特征在于,发电机组(6)包括发电机组外壳(601),发电机组外壳(601)两端分别与增速机组(5)和配重箱(7)固定连接;发电机组外壳(601)内表面安装有若干隔音装置(602)和若干灭火剂喷头(603);灭火剂喷头(603)通过灭火剂导管(604)与灭火剂储箱(605)连接;灭火剂储箱(605)底部设置有推料圆盘(606);推料圆盘(606)通过传动机构(607)与推料机(608)连接;发电机组外壳(601)底部安装有下支撑板(609),下支撑板(609)上表面安装有若干第一弹簧座(610),第一弹簧座(610)侧面设置有若干滑槽;第一限位卡销(611)上的圆柱凸起与第一弹簧座(610)侧面上的滑槽滑动连接;第一限位卡销(611)上表面和第二弹簧座 (613)下表面之间固定有第一弹簧装置(612);第二弹簧座(613)上表面安装有上支撑板(619),第二弹簧座(613)侧面和第一铰接支架(615)之间固定有第二弹簧装置(614);铰接连杆(617)分别与第一铰接支架(615)和第二铰接支架(616)铰接;第二铰接支架(616)安装于下支撑板(609)上表面;第一铰接支架(615)上端设置有第二限位卡销(618),第二限位卡销(618)与上支撑板(619)滑动连接;发电机(621)嵌入上支撑板(619)上的通孔,同时发电机(621)和上支撑板(619)通过固定装置(622)进行固定;发电机(621)动力输入端通过柔性联轴器与第二输入轴(620)固定。
- 根据权利要求3所述的一种风力发电装置,其特征在于,还包括迎风角度自动控制系统,迎风角度控制系统包括水平风向风速传感器(11)、铅垂风向风速传感器(10)和自动控制器;水平风向风速传感器(11)和铅垂风向风速传感器(10)将检测到相应方向的风速风向信息发送给自动控制器,自动控制器根据风速风向信息运行控制算法控制铅垂角度驱动装置(12)和水平角度驱动装置(13),使得风力发电叶片迎风面与风向垂直;自动控制器根据风速风向信息并运行相应控制算法控制调速电机(509),使得发电机(621)动力输入端转速恒定从而发电功率恒定,具体控制算法步骤如下:步骤1:自动控制器根据水平风向风速传感器(11)和铅垂风向风速传感器(10)检测到的风向信息得出水平角度变化量Δθ1和铅垂角度变化量Δθ2:
Δθ1=θ1-θ'1 (1);
Δθ2=θ2-θ'2 (2);其中:Δθ1表示水平角度变化量,θ1表示当前水平风向角度,θ'1表示前一单位时间的水平风向角度,Δθ2表示铅垂角度变化量,θ2表示当前铅垂风向角度,θ'2表示前一单位时间的铅垂风向角度;步骤2:自动控制器根据公式(1)和公式(2)计算得出的水平角度变化量Δθ1和铅垂角度变化量Δθ2控制水平角度驱动装置(13)和铅垂角度驱动装置(12),Δθ1和Δθ2为负时,自动控制器分别控制水平转动驱动电机(8)和液压阀反向工作:
其中:tep为水平转动驱动电机(8)控制步长,|Δθ1|表示Δθ1取绝对值,T为水平转动驱动电机(8)总步长,θ0为水平转动驱动电机(8)步距角,π取3.1415926,P为液压泵(1201)内泵机的目标驱动功率,PV为液压管(1202)内压力计检测到的供油压强,qv为液压管(1202)内流量计检测到的单位时间工作流量,|Δθ2|表示Δθ2取绝对值,r为液压管(1202)的曲率半径,r0为液压推杆(1204)内径,r1为液压管(1202)内径,t为预设的铅垂角度驱动装置(12)响应时间,η为液压泵(1201)工作效率;步骤3:自动控制器根据水平风向风速传感器(11)和铅垂风向风速传感器(10)检测到的风速信息,计算得出控制调速电机(509)的目标工作功率Pt:
其中:Pt为调速电机(509)的目标工作功率,Pf为预设的发电机功率,δ为增速机组(5)的工作效率,τ为风力发电叶片的工作效率,Pm为风力发电叶片的输入功率,ρ为空气密度,R为风力发电叶片转动半径,v1为水平风向风速传感器(11)检测到的风速,v2为铅垂风向风速传感器(10)检测到的风速,ω为水平面风速影响因素,φ为铅垂面风速影响因素,λ为风力发电叶片叶尖速比,β为风力发电装置的风能利用系数,PS为单个吸风机组的输出功率,μ为吸风机组的数量,e为自然常数。
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| CN102979681A (zh) * | 2012-12-14 | 2013-03-20 | 刘怀远 | 水平轴风力发电机 |
| KR20140069887A (ko) * | 2012-11-30 | 2014-06-10 | 윤준식 | 태양열을 이용하여 회전되는 블레이드를 구비한 풍력발전기 |
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| CN109882354A (zh) * | 2019-03-30 | 2019-06-14 | 杨凯 | 一种多变桨风力发电机 |
| CN116877325A (zh) * | 2023-07-11 | 2023-10-13 | 华能青海发电有限公司新能源分公司 | 一种风力发电叶片及风力发电装置 |
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| US20090290982A1 (en) * | 2006-07-07 | 2009-11-26 | Danmarks Tekiske Universitet | Variable trailing edge section geometry for wind turbine blade |
| CN102518565A (zh) * | 2011-11-10 | 2012-06-27 | 洛阳双瑞风电叶片有限公司 | 一种可以光伏发电的兆瓦级风力发电机组叶片及制法 |
| KR20140069887A (ko) * | 2012-11-30 | 2014-06-10 | 윤준식 | 태양열을 이용하여 회전되는 블레이드를 구비한 풍력발전기 |
| CN102979681A (zh) * | 2012-12-14 | 2013-03-20 | 刘怀远 | 水平轴风力发电机 |
| KR20180130908A (ko) * | 2017-05-30 | 2018-12-10 | 송학권 | 태양전지가 구비된 풍력발전기 |
| CN109882354A (zh) * | 2019-03-30 | 2019-06-14 | 杨凯 | 一种多变桨风力发电机 |
| CN116877325A (zh) * | 2023-07-11 | 2023-10-13 | 华能青海发电有限公司新能源分公司 | 一种风力发电叶片及风力发电装置 |
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