CN112283028A - Stall self-locking device for wind power generation transmission mechanism - Google Patents

Stall self-locking device for wind power generation transmission mechanism Download PDF

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Publication number
CN112283028A
CN112283028A CN202011115759.6A CN202011115759A CN112283028A CN 112283028 A CN112283028 A CN 112283028A CN 202011115759 A CN202011115759 A CN 202011115759A CN 112283028 A CN112283028 A CN 112283028A
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CN
China
Prior art keywords
shell
fixedly connected
power generation
wind power
self
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Withdrawn
Application number
CN202011115759.6A
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Chinese (zh)
Inventor
陈坤强
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Guangzhou Haoda Technology Co ltd
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Guangzhou Haoda Technology Co ltd
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Priority to CN202011115759.6A priority Critical patent/CN112283028A/en
Publication of CN112283028A publication Critical patent/CN112283028A/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D15/00Transmission of mechanical power
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D17/00Monitoring or testing of wind motors, e.g. diagnostics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0256Stall control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10Combinations of wind motors with apparatus storing energy
    • F03D9/11Combinations of wind motors with apparatus storing energy storing electrical energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

The invention relates to the technical field of electric power, and discloses a stall self-locking device for a wind power generation transmission mechanism, which comprises a shell, wherein a conductor is fixedly connected inside the shell, and a soft shell is fixedly connected inside the shell; this a stall self-lock device for wind power generation drive mechanism, through the interact between all structures of this device, can be so that aerogenerator when the flabellum rotational speed is normal, self-lock mechanism can not influence the normal operating of flabellum, like this influence to wind power generation of maximum reduction self-lock mechanism, and when the rotational speed of flabellum is too fast, self-lock mechanism will automated inspection and carry out corresponding self-locking operation, will avoid the flabellum rotational speed too fast and lead to the emergence of wind power generation mechanism overload phenomenon like this, thereby will reduce the too fast harm to power generating equipment of flabellum rotational speed, moreover, the potential safety hazard of power generating equipment has still been reduced like this, and then can make power generating equipment have better security.

Description

Stall self-locking device for wind power generation transmission mechanism
Technical Field
The invention relates to the technical field of electric power, in particular to a stall self-locking device for a wind power generation transmission mechanism.
Background
At present, new energy power generation has become a hot topic, and wind power generation in new energy power generation also receives people's attention widely, and because the generating set installed power among the present wind power generation equipment is limited, consequently will have certain restriction to the slew velocity of transmission shaft and flabellum like this, but current wind power generation equipment does not have the function of stall auto-lock, when the flabellum rotates too fast, will cause generating set's power overload, will make wind power generation equipment's life reduce like this, still can lead to generating set's damage when serious, and then bring loss of property for people, and when wind power generation mechanism transships, also can make the inside temperature of machine rise, will make the inside great potential safety hazard that has of machine like this.
Therefore, in response to these problems, a stall self-locking device for a wind power transmission is needed to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a stall self-locking device for a wind power generation transmission mechanism, which has the advantages of automatic self-locking operation and better safety when the transmission mechanism stalls, and solves the problems that the conventional wind power generation equipment does not have the stall self-locking function, and when fan blades rotate too fast, the power of a generator set is overloaded, so that the service life of the wind power generation equipment is shortened, the generator set can be damaged possibly seriously, property loss is brought to people, and when the wind power generation mechanism is overloaded, the temperature in the machine is also increased, so that the interior of the machine has larger potential safety hazard.
(II) technical scheme
In order to realize the purposes of automatic self-locking operation and better safety when the transmission mechanism stalls, the invention provides the following technical scheme: the utility model provides a stall self-lock device for wind power generation actuating mechanism, which comprises an outer shell, the inside fixedly connected with conductor of shell, the inside fixedly connected with mantle of shell, the inside fixedly connected with spring of mantle, the inside swing joint of mantle has the current variant, the inside fixedly connected with wire of shell, the inside swing joint of shell has the movable block, the inside swing joint of shell has fixed rotating shaft, the outside fixedly connected with set casing of fixed rotating shaft, the inside fixedly connected with retainer plate of set casing, the outside fixedly connected with coil of retainer plate, the inside fixedly connected with bayonet lock of set casing, the outside fixedly connected with dog of bayonet lock, the outside swing joint of shell has the flabellum, the outside swing joint of flabellum has the connecting rod, the outside swing joint of connecting rod has the connecting block, the outside fixedly connected with electric telescopic handle of connecting.
Preferably, the inside fixedly connected with of soft shell leads electrical pillar, and the both ends of wire fixed connection respectively leads electrical pillar outside in two adjacent soft shells, and the one end fixed connection of spring is in the inside of soft shell, and its other end fixed connection is in the outside of movable block.
Preferably, the main materials of the electrorheological fluid are gypsum, lime, carbon powder and olive oil, and the electrorheological fluid is in a solid state under a current-carrying state with a specified current amount and in a liquid state under a non-current-carrying state.
Preferably, the specification of dog and the specification phase-match of movable block, the inboard fixedly connected with bull stick of movable block, soft shell, movable block all adopt high strength stereoplasm insulating material.
Preferably, one end of the electric telescopic rod is fixedly connected to the outside of the shell, and the other end of the electric telescopic rod is fixedly connected to the outside of the connecting block.
Preferably, the coil has current passing through it and magnetic induction lines, the conductor is perpendicular to the magnetic induction lines of the coil, and the specification of the conductor is matched with that of the coil.
Preferably, the inside fixedly connected with battery of shell, the conductor with lead electrical connection, electric telescopic handle, coil all are connected with the battery electricity, the battery is connected with the control maincenter electricity.
(III) advantageous effects
Compared with the prior art, the invention provides a stall self-locking device for a wind power generation transmission mechanism, which has the following beneficial effects:
this a stall self-lock device for wind power generation drive mechanism, through the interact between all structures of this device, can be so that aerogenerator when the flabellum rotational speed is normal, self-lock mechanism can not influence the normal operating of flabellum, like this influence to wind power generation of maximum reduction self-lock mechanism, and when the rotational speed of flabellum is too fast, self-lock mechanism will automated inspection and carry out corresponding self-locking operation, will avoid the flabellum rotational speed too fast and lead to the emergence of wind power generation mechanism overload phenomenon like this, thereby will reduce the too fast harm to power generating equipment of flabellum rotational speed, moreover, the potential safety hazard of power generating equipment has still been reduced like this, and then can make power generating equipment have better security.
Drawings
FIG. 1 is a schematic structural view of the connection relationship among the housing, the fixed rotating shaft, the fan blades, the connecting rod, the connecting block and the electric telescopic rod of the present invention;
FIG. 2 is a schematic partial cross-sectional view of the inventive structure;
FIG. 3 is a schematic view of the structure of FIG. 2 at A according to the present invention;
FIG. 4 is a schematic view of the connection structure of the soft shell, the spring, the current transformer, the lead, the movable block, the fixed shell and the stop block.
In the figure: 1. a housing; 2. a conductor; 3. a soft shell; 4. a spring; 5. an electrorheological fluid; 6. a wire; 7. a movable block; 8. fixing the rotating shaft; 9. a stationary case; 10. a stationary ring; 11. a coil; 12. a bayonet lock; 13. a stopper; 14. a fan blade; 15. a connecting rod; 16. connecting blocks; 17. an electric telescopic rod.
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.
Referring to fig. 1-4, a stall self-locking device for a wind power generation transmission mechanism comprises a housing 1, a conductor 2 is fixedly connected inside the housing 1, a soft shell 3 is fixedly connected inside the housing 1, a spring 4 is fixedly connected inside the soft shell 3, a current variant 5 is movably connected inside the soft shell 3, the current variant 5 is mainly made of gypsum, lime, carbon powder and olive oil, and the current variant 5 is solid under an electrified state of a specified current amount and liquid under a non-electrified state.
The inside fixedly connected with wire 6 of shell 1, the inside swing joint of shell 1 has movable block 7, and the inside fixedly connected with of soft shell 3 leads electrical pillar, and fixed connection is outside leading electrical pillar in two adjacent soft shells 3 respectively at the both ends of wire 6, and the one end fixed connection of spring 4 is in the inside of soft shell 3, and its other end fixed connection is in the outside of movable block 7.
The inside swing joint of shell 1 has fixed rotating shaft 8, the outside fixedly connected with set casing 9 of fixed rotating shaft 8, the inside fixedly connected with retainer plate 10 of retainer plate 9, the outside fixedly connected with coil 11 of retainer plate 10, there is the electric current to pass through and have the magnetism line of inducting in coil 11 is inside, conductor 2 is the vertical state with the magnetism line of inducting of coil 11, the specification of conductor 2 and the specification phase-match of coil 11.
The inside fixedly connected with bayonet lock 12 of set casing 9, the specification of dog 13 and the specification phase-match of movable block 7, the inboard fixedly connected with bull stick of movable block 7, soft shell 3, movable block 7 all adopt high strength stereoplasm insulating material.
A stop block 13 is fixedly connected to the outside of the bayonet 12, a fan blade 14 is movably connected to the outside of the housing 1, a connecting rod 15 is movably connected to the outside of the fan blade 14, a connecting block 16 is movably connected to the outside of the connecting rod 15, an electric telescopic rod 17 is fixedly connected to the outside of the connecting block 16, one end of the electric telescopic rod 17 is fixedly connected to the outside of the housing 1, and the other end of the electric telescopic rod 17 is fixedly connected to the outside of the connecting block; the stall self-locking device for the wind power generation transmission mechanism has the advantages that the storage battery is fixedly connected inside the shell 1, the conductor 2 is electrically connected with the conductive column, the electric telescopic rod 17 and the coil 11 are electrically connected with the storage battery, the storage battery is electrically connected with the control center, the stall self-locking device for the wind power generation transmission mechanism can ensure that the self-locking mechanism does not influence the normal operation of the fan blade 14 when the rotating speed of the fan blade 14 is normal under the interaction of all structures of the stall self-locking device, so that the influence of the self-locking mechanism on wind power generation can be reduced to the maximum extent, and when the rotating speed of the fan blade 14 is too high, the self-locking mechanism can automatically detect and carry out corresponding self-locking operation, so that the overload phenomenon of the wind power generation mechanism caused by the too high rotating speed of the fan blade 14 can be avoided, the damage of the too, which in turn will result in a better safety of the power plant.
The working principle is that when the device starts to be started, an operator controls the storage battery to supply power to the coil 11 through the control center, the coil 11 generates a magnetic induction line after being electrified, when the rotating speed of the fan blade 14 is normal, the fan blade 14 rotates to drive the shell 1 to rotate, the shell 1 rotates to drive the conductor 2 to rotate, the conductor 2 rotates to cut the magnetic induction line of the coil 11, so that a certain amount of induction current is generated inside the conductor 2, under the normal rotating speed of the fan blade 14, the induction current generated inside the conductor 2 does not reach the specified electric quantity which can enable the current variant 5 to become solid, and under the action of the stop block 13, the shell 1 rotates to drive the movable block 7 to rotate around the rotating rod, at the moment, the stop block 13 cannot limit the rotation of the shell 1, and the fixed.
As the fan blades 14 rotate faster and faster, the induced current generated inside the conductor 2 becomes larger and larger, and when the fan blades 14 stall, the induced current generated inside the conductor 2 reaches the induced electric quantity which enables the current variant 5 to be converted into a solid state, so that the current variant 5 can be converted into the solid state, and thus the solid state current variant 5 limits the rotation of the movable block 7, at this time, when the movable block 7 contacts the stop block 13, the movable block 7 stops moving under the action of the stop block 13, so that the housing 1 stops rotating, and further the fan blades 14 stop rotating; simultaneously when induced-current reaches the critical value, the control maincenter also can control external power supply and give electric telescopic handle 17 power supply to make electric telescopic handle 17 extension, will make connecting block 16 move right like this, connecting block 16 moves and drives connecting rod 15 motion, and connecting rod 15 moves and drives the motion of flabellum 14, thereby makes flabellum 14 packed up.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A stall self-locking device for a wind power generation transmission mechanism, comprising a housing (1), characterized in that: the novel fan blade is characterized in that a conductor (2) is fixedly connected to the inside of the shell (1), a soft shell (3) is fixedly connected to the inside of the shell (1), a spring (4) is fixedly connected to the inside of the soft shell (3), an electrorheological body (5) is movably connected to the inside of the soft shell (3), a conducting wire (6) is fixedly connected to the inside of the shell (1), a movable block (7) is movably connected to the inside of the shell (1), a fixed rotating shaft (8) is movably connected to the inside of the shell (1), a fixed shell (9) is fixedly connected to the outside of the fixed rotating shaft (8), a fixed ring (10) is fixedly connected to the inside of the fixed shell (9), a coil (11) is fixedly connected to the outside of the fixed ring (10), a bayonet lock (12) is fixedly connected to the inside of the fixed shell (9), a check block (13) is fixedly, the outside swing joint of flabellum (14) has connecting rod (15), and the outside swing joint of connecting rod (15) has connecting block (16), and the outside fixedly connected with electric telescopic handle (17) of connecting block (16).
2. The stall self-locking device for a wind power generation transmission mechanism according to claim 1, wherein: the inside fixedly connected with of soft shell (3) leads electrical pillar, and the both ends of wire (6) fixed connection is outside leading electrical pillar in two adjacent soft shells (3) respectively, and the one end fixed connection of spring (4) is in the inside of soft shell (3), and its other end fixed connection is in the outside of movable block (7).
3. The stall self-locking device for a wind power generation transmission mechanism according to claim 1, wherein: the main materials of the electrorheological body (5) are gypsum, lime, carbon powder and olive oil, and the electrorheological body (5) is in a solid state under a current-carrying state with a specified current amount and in a liquid state under a non-current-carrying state.
4. The stall self-locking device for a wind power generation transmission mechanism according to claim 1, wherein: the specification of dog (13) and the specification phase-match of movable block (7), the inboard fixedly connected with bull stick of movable block (7), soft shell (3), movable block (7) all adopt high strength stereoplasm insulating material.
5. The stall self-locking device for a wind power generation transmission mechanism according to claim 1, wherein: one end of the electric telescopic rod (17) is fixedly connected to the outside of the shell (1), and the other end of the electric telescopic rod is fixedly connected to the outside of the connecting block (16).
6. The stall self-locking device for a wind power generation transmission mechanism according to claim 1, wherein: current passes through the coil (11) and a magnetic induction line exists in the coil, the conductor (2) is perpendicular to the magnetic induction line of the coil (11), and the specification of the conductor (2) is matched with that of the coil (11).
7. The stall self-locking device for a wind power generation transmission mechanism according to claim 1, wherein: the inside fixedly connected with battery of shell (1), conductor (2) with lead electrical connection of electrical pillar, electric telescopic handle (17), coil (11) all are connected with the battery electricity, the battery is connected with the control maincenter electricity.
CN202011115759.6A 2020-10-19 2020-10-19 Stall self-locking device for wind power generation transmission mechanism Withdrawn CN112283028A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011115759.6A CN112283028A (en) 2020-10-19 2020-10-19 Stall self-locking device for wind power generation transmission mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011115759.6A CN112283028A (en) 2020-10-19 2020-10-19 Stall self-locking device for wind power generation transmission mechanism

Publications (1)

Publication Number Publication Date
CN112283028A true CN112283028A (en) 2021-01-29

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CN202011115759.6A Withdrawn CN112283028A (en) 2020-10-19 2020-10-19 Stall self-locking device for wind power generation transmission mechanism

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113347829A (en) * 2021-06-02 2021-09-03 黄翔峰 Outdoor distributed intelligent internet safety protection host computer protection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113347829A (en) * 2021-06-02 2021-09-03 黄翔峰 Outdoor distributed intelligent internet safety protection host computer protection device

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Application publication date: 20210129

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