CN112065654A - Self-protection type wind power generation fan blade structure and wind power generation equipment - Google Patents

Self-protection type wind power generation fan blade structure and wind power generation equipment Download PDF

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Publication number
CN112065654A
CN112065654A CN202010990447.3A CN202010990447A CN112065654A CN 112065654 A CN112065654 A CN 112065654A CN 202010990447 A CN202010990447 A CN 202010990447A CN 112065654 A CN112065654 A CN 112065654A
Authority
CN
China
Prior art keywords
wind power
rotating ring
power generation
self
ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010990447.3A
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Chinese (zh)
Inventor
李冰
李志龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Jiunai Environmental Protection Technology Development Co ltd
Original Assignee
Hunan Jiunai Environmental Protection Technology Development Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Jiunai Environmental Protection Technology Development Co ltd filed Critical Hunan Jiunai Environmental Protection Technology Development Co ltd
Priority to CN202010990447.3A priority Critical patent/CN112065654A/en
Publication of CN112065654A publication Critical patent/CN112065654A/en
Pending legal-status Critical Current

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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
    • 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
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0236—Adjusting aerodynamic properties of the blades by changing the active surface of the wind engaging parts, e.g. reefing or furling
    • 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
    • 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
    • F03D7/04—Automatic control; Regulation
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Abstract

The invention relates to a self-protection type wind power generation fan blade structure and wind power generation equipment, wherein the self-protection type wind power generation fan blade structure comprises a bearing part and a second rotating ring which is rotatably arranged on the bearing part, and at least three fan blades are hinged on the second rotating ring; the fan blade support is characterized by further comprising a transmission shaft, wherein the transmission shaft is annularly arranged on the bearing piece and fixedly connected with the connecting ring, a first rotating ring is mounted on the connecting ring through a sliding assembly and hinged with the fan blades through connecting rods hinged with the first rotating ring, and the first rotating ring is further hinged with the connecting ring through at least three elastic telescopic assemblies; the sliding assembly is provided with a trigger mechanism, the trigger mechanism is electrically connected with a driving mechanism arranged in a movable cavity on the bearing piece, the driving mechanism is rotatably connected with the connecting ring, and when the connecting ring moves, the fan blades are driven to rotate and are folded through the action of the first rotating ring and the connecting rod.

Description

Self-protection type wind power generation fan blade structure and wind power generation equipment
Technical Field
The invention relates to the technical field related to wind power generation, in particular to a self-protection type wind power generation fan blade structure and wind power generation equipment.
Background
Wind power generation refers to converting kinetic energy of wind into electric energy. Wind energy is a clean and pollution-free renewable energy source, and is used by people for a long time, mainly for pumping water, grinding surfaces and the like through windmills, and at present, people are interested in how to use wind to generate electricity.
In the prior art, because the fan blades of the wind power generation equipment are directly contacted with wind power, when the wind power is larger, the fan blades are subjected to larger blowing power, the phenomenon of fan blade damage often occurs, and economic loss is caused.
Disclosure of Invention
The invention aims to provide a self-protection type wind power generation fan blade structure and wind power generation equipment, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a self-protection type wind power generation fan blade structure comprises a bearing part and a second rotating ring rotatably mounted on the bearing part, wherein at least three fan blades are hinged on the second rotating ring;
the self-protection type wind power generation fan blade structure further comprises a transmission shaft, wherein the transmission shaft is annularly arranged on the bearing piece, the transmission shaft is fixedly connected with a connecting ring sleeved on the bearing piece, a first rotating ring is arranged on the connecting ring through a sliding assembly, the first rotating ring is hinged with the fan blade through a connecting rod hinged with the first rotating ring, the first rotating ring is further connected with the connecting ring through at least three elastic telescopic assemblies, and the elastic telescopic assemblies provide sliding resistance for the first rotating ring;
the sliding assembly is provided with a trigger mechanism, the trigger mechanism is electrically connected with a driving mechanism arranged in a movable cavity on the bearing piece, the driving mechanism is rotatably connected with the connecting ring, and when the trigger mechanism is triggered, the driving mechanism is controlled to move so as to drive the connecting ring to move.
As a further scheme of the invention: the sliding assembly comprises a sliding block fixed on the inner wall of the first rotating ring and a sliding groove arranged on the connecting ring and in sliding fit with the sliding block.
As a still further scheme of the invention: the trigger mechanism comprises a contact sensor, and two contact pieces of the contact sensor are respectively arranged on the inner walls of the sliding block and the sliding groove.
As a still further scheme of the invention: the elastic telescopic assembly comprises a movable plate and a movable rod connected with the movable plate and a first rotating ring, the movable plate is slidably mounted in an embedded cavity in the connecting ring and is connected with the end part of the embedded cavity through a spring.
As a still further scheme of the invention: actuating mechanism includes slidable mounting in the activity intracavity and through coupling assembling with the go-between rotates the threaded sleeve who connects, threaded sleeve's inboard threaded connection has the threaded rod, the threaded rod is kept away from threaded sleeve's one end with install the output shaft fixed connection of the motor of accepting the piece tip.
As a still further scheme of the invention: the motor is embedded in a conical head connected with the bearing piece.
As a still further scheme of the invention: coupling assembling include with threaded sleeve fixed connection's connecting block, the connecting block runs through the groove is led to in the bar that sets up on the activity chamber and with the go-between rotates to be connected, the connecting block with the groove sliding fit is led to in the bar.
A wind power plant, the wind power plant comprising:
the self-protection type wind power generation fan blade structure;
the generator set is connected with the transmission shaft; and
the shell, the shell cover is established the outside of generating set, the shell is still fixed with the support.
Compared with the prior art, the invention has the beneficial effects that: the fan blade protection device is novel in design, when the transverse acting force generated by wind power on the fan blade is larger than the acting force generated by the elastic telescopic assembly on the first rotating ring, the first rotating ring moves away from the fan blade, the trigger mechanism is triggered under the action of the sliding assembly to control the driving mechanism to move so as to drive the connecting ring to move, and when the connecting ring moves, the fan blade is driven to rotate and retract under the action of the first rotating ring and the connecting rod so as to avoid damage of the wind power on the fan blade, automatic protection of the fan blade is realized, and the practicability is high.
Drawings
Fig. 1 is a schematic structural view of a self-protection type wind power generation fan blade structure.
FIG. 2 is a cross-sectional view of a self-protected blade structure of a wind turbine.
Fig. 3 is an enlarged view of a structure at a in fig. 2.
Fig. 4 is a schematic structural view of a wind power plant.
In the figure: 1-fan blade, 2-connecting rod, 3-first rotating ring, 4-connecting ring, 5-transmission shaft, 6-bearing piece, 7-second rotating ring, 8-conical head, 9-motor, 10-threaded rod, 11-threaded sleeve, 12-strip-shaped through groove, 13-movable cavity, 14-movable rod, 15-sliding block, 16-sliding groove, 17-contact sensor, 18-connecting block, 19-movable plate, 20-spring, 21-embedded cavity, 22-shell and 23-bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in an embodiment of the present invention, a self-protection type wind power generation fan blade structure includes a receiving member 6 and a second rotating ring 7 rotatably mounted on the receiving member 6, wherein at least three fan blades 1 are hinged to the second rotating ring 7; the self-protection type wind power generation fan blade structure further comprises a transmission shaft 5, wherein the transmission shaft 5 is annularly arranged on the bearing part 6, the transmission shaft 5 is fixedly connected with a connecting ring 4 sleeved on the bearing part 6, a first rotating ring 3 is arranged on the connecting ring 4 through a sliding assembly, the first rotating ring 3 is hinged with the fan blade 1 through a connecting rod 2 hinged with the first rotating ring 3, the first rotating ring 3 is further connected with the connecting ring 4 through at least three elastic telescopic assemblies, and the elastic telescopic assemblies provide sliding resistance for the first rotating ring 3; the sliding assembly is provided with a trigger mechanism, the trigger mechanism is electrically connected with a driving mechanism arranged in a movable cavity 13 on the bearing part 6, the driving mechanism is rotatably connected with the connecting ring 4, and when the trigger mechanism is triggered, the driving mechanism is controlled to move so as to drive the connecting ring 4 to move.
In the embodiment of the invention, when the transverse acting force generated by the wind power on the fan blade 1 is greater than the acting force generated by the elastic telescopic component on the first rotating ring 3, the first rotating ring 3 moves away from the fan blade 1, the triggering mechanism is triggered under the action of the sliding component to control the driving mechanism to move so as to drive the connecting ring 4 to move, and when the connecting ring 4 moves, the fan blade 1 is driven to rotate and retract under the action of the first rotating ring 3 and the connecting rod 2 so as to avoid the damage of the fan blade 1 caused by the wind power, so that the automatic protection of the fan blade 1 is realized, and the practicability is high.
In the embodiment of the present invention, it should be noted that an annular sliding block is disposed on an inner wall of the second rotating ring 7, and an annular sliding groove in sliding fit with the annular sliding block is disposed on the receiving member 6, so as to realize rotation of the second rotating ring 7 relative to the receiving member 6, and lateral movement does not occur.
In the embodiment of the invention, it can be understood that under the action of normal wind, the fan blade 1 rotates, so that the connecting ring 4 is driven to rotate through the action of the connecting rod 2 and the first rotating ring 3, and the transmission shaft 5 is driven to rotate when the connecting ring 4 rotates, so as to meet the power generation requirement.
As an embodiment of the present invention, the sliding assembly includes a sliding block 15 fixed on the inner wall of the first rotating ring 3 and a sliding groove 16 disposed on the connecting ring 4 and slidably engaged with the sliding block 15.
In the embodiment of the present invention, it can be understood that the slide blocks 15 are arranged to be in sliding fit with the slide grooves 16, so as to ensure that the first rotating ring 3 can drive the connecting ring 4 to rotate during the rotation process, and the axial sliding of the first rotating ring 3 along the connecting ring 4 is not affected.
As an embodiment of the present invention, the triggering mechanism includes a contact sensor 17, and two contact pieces of the contact sensor 17 are respectively mounted on the inner walls of the slider 15 and the sliding chute 16.
In the embodiment of the present invention, when the two contact pieces are in contact with each other, the contact sensor 17 is triggered, so as to implement automatic control.
As an embodiment of the present invention, the elastic telescopic assembly includes a movable plate 19 and a movable rod 14 connecting the movable plate 19 and the first rotating ring 3, the movable plate 19 is slidably mounted in an embedded cavity 21 provided on the connecting ring 4, and is connected to an end of the embedded cavity 21 through a spring 20.
In the embodiment of the present invention, when the first rotating ring 3 is stressed and the force is greater than the elastic force of the spring 20, the first rotating ring 3 moves axially relative to the connecting ring 4 to press the spring 20 through the action of the movable rod 14 and the movable plate 19, and it can be understood that the spring 20 provides a sliding damping force for the first rotating ring 3 to ensure that the fan blade 1 can work normally under the condition of normal wind.
As an embodiment of the present invention, the driving mechanism includes a threaded sleeve 11 slidably mounted in the movable cavity 13 and rotatably connected to the connecting ring 4 through a connecting assembly, a threaded rod 10 is threadedly connected to an inner side of the threaded sleeve 11, and an end of the threaded rod 10 away from the threaded sleeve 11 is fixedly connected to an output shaft of the motor 9 mounted at an end of the receiving member 6.
In the embodiment of the present invention, it can be understood that the contact sensor 17 is mainly used for controlling the start of the motor 9, when the motor 9 works, the threaded rod 10 is driven to rotate, and when the threaded rod 10 rotates, the threaded sleeve 11 is driven to drive the connecting ring 4 to move transversely by the action of the connecting assembly, so as to achieve the driving requirement.
In the embodiment of the present invention, it should be noted that the motor 9 is a forward and reverse rotation motor, a 4IK/80 yyyjt motor is adopted, the motor has stable performance, and other motors may be adopted as long as the driving requirement is met, which is not specifically limited in this application.
In the embodiment of the present invention, it should be further noted that the movement distance of the threaded sleeve 11 can be realized by providing a stroke limiting mechanism, wherein the stroke limiting mechanism includes a hall sensing element mounted on the threaded sleeve 11 and two hall sensing magnets mounted at different positions on the inner wall of the movable cavity 13.
As an embodiment of the invention, the motor 9 is embedded in a conical head 8 connected to the socket 6.
In the embodiment of the invention, the motor 9 can be effectively protected by the arranged conical head 8, and meanwhile, the wind blowing to the conical head 8 can be guided.
As an embodiment of the present invention, the connection assembly includes a connection block 18 fixedly connected to the threaded sleeve 11, the connection block 18 penetrates through the strip-shaped through groove 12 formed in the movable cavity 13 and is rotatably connected to the connection ring 4, and the connection block 18 is in sliding fit with the strip-shaped through groove 12.
In the embodiment of the invention, the connecting block 18 is arranged to be matched with the strip-shaped through groove 12 to realize the sliding limit of the threaded sleeve 11, so that the threaded sleeve 11 is ensured to move linearly.
Referring to fig. 4 as an embodiment of the present invention, a wind power generation apparatus is further provided, which includes:
the self-protection type wind power generation fan blade structure;
the generator set is connected with the transmission shaft 5; and
the shell 22, the shell 22 cover is established the outside of generating set, shell 22 still is fixed with support 23.
In the embodiment of the present invention, it is understood that the generator set is a common wind power generation structure, and therefore, the present application is not limited thereto.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A self-protection type wind power generation fan blade structure is characterized by comprising a bearing piece (6) and a second rotating ring (7) rotatably installed on the bearing piece (6), wherein at least three fan blades (1) are hinged to the second rotating ring (7);
the fan blade support is characterized by further comprising a transmission shaft (5), wherein the transmission shaft (5) is annularly arranged on the bearing piece (6), the transmission shaft (5) is fixedly connected with a connecting ring (4) sleeved on the bearing piece (6), a first rotating ring (3) is installed on the connecting ring (4) through a sliding assembly, the first rotating ring (3) is hinged to the fan blade (1) through a connecting rod (2) hinged to the first rotating ring, the first rotating ring (3) is further connected with the connecting ring (4) through at least three elastic telescopic assemblies, and the elastic telescopic assemblies provide sliding resistance for the first rotating ring (3);
the sliding assembly is provided with a trigger mechanism, the trigger mechanism is electrically connected with a driving mechanism arranged in a movable cavity (13) on the bearing piece (6), the driving mechanism is rotatably connected with the connecting ring (4), and when the trigger mechanism is triggered, the driving mechanism is controlled to move so as to drive the connecting ring (4) to move.
2. The self-protecting wind power generator blade structure according to claim 1, wherein the sliding assembly comprises a sliding block (15) fixed on the inner wall of the first rotating ring (3) and a sliding groove (16) arranged on the connecting ring (4) and slidably engaged with the sliding block (15).
3. The self-protection type wind power generation fan blade structure according to claim 2, wherein the trigger mechanism comprises a contact sensor (17), and two contact pieces of the contact sensor (17) are respectively installed on the inner walls of the sliding block (15) and the sliding chute (16).
4. The self-protecting wind power generation blade structure according to claim 1, wherein the elastic expansion assembly comprises a movable plate (19) and a movable rod (14) connecting the movable plate (19) and the first rotating ring (3), the movable plate (19) is slidably mounted in an embedded cavity (21) provided on the connecting ring (4) and is connected with an end of the embedded cavity (21) through a spring (20).
5. The self-protection type wind power generation fan blade structure according to claim 1, wherein the driving mechanism comprises a threaded sleeve (11) slidably mounted in the movable cavity (13) and rotatably connected with the connecting ring (4) through a connecting assembly, a threaded rod (10) is connected to the inner side of the threaded sleeve (11) in a threaded manner, and one end of the threaded rod (10) far away from the threaded sleeve (11) is fixedly connected with an output shaft of a motor (9) mounted at the end of the bearing member (6).
6. Self-protecting wind turbine blade structure according to claim 5, wherein said electric motor (9) is embedded in a conical head (8) connected to said adaptor (6).
7. The self-protecting wind power generation blade structure according to claim 5, wherein the connecting assembly comprises a connecting block (18) fixedly connected with the threaded sleeve (11), the connecting block (18) penetrates through a strip-shaped through groove (12) formed in the movable cavity (13) and is rotatably connected with the connecting ring (4), and the connecting block (18) is in sliding fit with the strip-shaped through groove (12).
8. A wind power plant, characterized in that it comprises:
the self-protected wind turbine blade structure of any of claims 1-7;
the generator set is connected with the transmission shaft (5); and
shell (22), shell (22) cover is established the outside of generating set, shell (22) still are fixed with support (23).
CN202010990447.3A 2020-09-19 2020-09-19 Self-protection type wind power generation fan blade structure and wind power generation equipment Pending CN112065654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010990447.3A CN112065654A (en) 2020-09-19 2020-09-19 Self-protection type wind power generation fan blade structure and wind power generation equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010990447.3A CN112065654A (en) 2020-09-19 2020-09-19 Self-protection type wind power generation fan blade structure and wind power generation equipment

Publications (1)

Publication Number Publication Date
CN112065654A true CN112065654A (en) 2020-12-11

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Application Number Title Priority Date Filing Date
CN202010990447.3A Pending CN112065654A (en) 2020-09-19 2020-09-19 Self-protection type wind power generation fan blade structure and wind power generation equipment

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495696A1 (en) * 1980-12-04 1982-06-11 Collin Yvon Blade positioning hub for wind turbine - has sliding sleeve on hub with guy rods to fold and lock blades
KR20100118395A (en) * 2009-04-28 2010-11-05 송수니 Folding blades system
CN102348889A (en) * 2008-08-22 2012-02-08 自然动力概念公司 Folding blade turbine
DE202015000563U1 (en) * 2015-01-23 2015-03-06 Helmut Stoffels High performance wind turbine with 2 rotors, each with 2 folding rotor blades
CN108590964A (en) * 2018-04-09 2018-09-28 方高健 A kind of meet an urgent need unloads the wind power generation stepped of power
CN108757309A (en) * 2018-06-06 2018-11-06 浦江县飞通电子科技有限公司 A kind of carbon emission reduction device integrating various ways
CN109469584A (en) * 2018-12-24 2019-03-15 江苏财经职业技术学院 Wind power plant with measuring device
CN110374792A (en) * 2019-07-01 2019-10-25 广州林电科技有限公司 A kind of wind power generation plant with long service life being readily transported
CN111089031A (en) * 2019-12-23 2020-05-01 国网河南省电力公司新野县供电公司 Self-protection type wind power generation equipment

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495696A1 (en) * 1980-12-04 1982-06-11 Collin Yvon Blade positioning hub for wind turbine - has sliding sleeve on hub with guy rods to fold and lock blades
CN102348889A (en) * 2008-08-22 2012-02-08 自然动力概念公司 Folding blade turbine
KR20100118395A (en) * 2009-04-28 2010-11-05 송수니 Folding blades system
DE202015000563U1 (en) * 2015-01-23 2015-03-06 Helmut Stoffels High performance wind turbine with 2 rotors, each with 2 folding rotor blades
CN108590964A (en) * 2018-04-09 2018-09-28 方高健 A kind of meet an urgent need unloads the wind power generation stepped of power
CN108757309A (en) * 2018-06-06 2018-11-06 浦江县飞通电子科技有限公司 A kind of carbon emission reduction device integrating various ways
CN109469584A (en) * 2018-12-24 2019-03-15 江苏财经职业技术学院 Wind power plant with measuring device
CN110374792A (en) * 2019-07-01 2019-10-25 广州林电科技有限公司 A kind of wind power generation plant with long service life being readily transported
CN111089031A (en) * 2019-12-23 2020-05-01 国网河南省电力公司新野县供电公司 Self-protection type wind power generation equipment

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Application publication date: 20201211