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INVENTION
Russian Federation Patent RU2118702
Wind turbine
Name of the inventor: Stanislav V. Goncharov
The name of the patentee: Stanislav V. Goncharov
Address for correspondence:
Starting date of the patent: 1995.10.30
Usage: The invention relates to wind energy and wind turbines concerns. Wind turbine comprising a rotor with a vertical axis of rotation, the blade having a symmetric profile, which rotation axes are arranged in a horizontal plane perpendicular to the vertical axis. The vanes are rotatably mounted at a frequency half the rotation speed of the rotor, and are connected to the control mechanism. The control mechanism consists of a kinematic transmission to the output shafts of which the blades are set, and the input shaft is disposed coaxially within the hollow rotor shaft and through the mounting worm gear connected to the inertial drive mechanism is provided for tracking the direction of wind flow. The rotor can assemble modules of the same type.
DESCRIPTION OF THE INVENTION
The invention relates to wind energy and wind turbines regard oriented essentially to work in low-speed wind range. It can be used predominantly where small dimensions are required for wind turbine height.
Known wind turbine comprising a rotor with a vertical axis of rotation, having a vane symmetrical profile, which are mounted in a horizontal plane to rotate at a rate less than half the speed of the rotor and relate to the orientation relative to the wind direction to a control mechanism, coupled to the directional device (see. a.s.SSSR N 4132, cl. the F 03 D 3/00, opub. 1927). This is a known technical solution for this class of wind turbines has drawbacks that limit its effectiveness. The important point is to ensure the perception of dynamic wind loads, as when the wind wheel creates air resistance, which, given the dynamic nature of vetronagruzki and most of its value, creates considerable difficulties for the operation of the wind turbine.
The increase in power is possible only when the wind turbine structural changes.
The invention aims to improve the reliability of the wind turbine; increase flexibility by allowing the use of modular components; providing the possibility of changing the maximum height of the wind turbine installation at its working position in the specific terrain and conditions vetropotokah.
The stated objective is achieved in that the rotor of a wind turbine is made of modules. The modules are interconnected, each of which comprises a housing with disposed therein operating mechanism consisting of a kinematic transmission, the input and output shafts, and on the output shafts of the module disposed rotary blade, the rotation axes of which are located in a horizontal plane and perpendicular to the vertical rotor axis of rotation . The input shaft of each module is connected to the input shafts of other modules and mechanical installation drive in the general mechanism of the blades of a wind turbine control. In this case the axis of rotary blades are shifted relative to each other in a projection on a horizontal plane on axes offset angle equal to 360 o dividing the total number of rotary blades. Installation drive installs and fixes the orientation of the blades relative to the wind direction. Mechanical installation drive is in the form of the inertial drive, mounting the worm gear and is provided with a mechanism for tracking the wind flow direction.
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The accompanying drawings show: Fig. 1 - general view of a wind turbine single-module; FIG. 2 - A type of FIG. 1; FIG. 3 - circuit arrangement and relationship of main parts and components of a wind turbine; FIG. 4 - execution of the scheme manual mechanical control mechanism.
In the drawings and indicated in the application materials:
1 - a skeleton of a wind turbine; 2 - a rotor; 3 - blades; 4 - the rotor shaft; 5 - input shaft defining kinematic transmission; 6 - the output shaft defining kinematic transmission; 7 - Set the kinematic transmission; 8 - an adjusting kinematic transmission, worm pair; 9 - Inertia Drive; 10 - hand crank; 11 - tracking mechanism of the wind flow direction; 12 - electrical generator.
Wind turbine is a sectional folding design, each section - the same type of module inter-module fixing elements. Windmill single module (1-4) comprises a rotor with two pivoting blades 3 mounted on the frame 1 and are kinematically linked to an electrical generator 12 via the rotor shaft 4. The wind turbine is equipped with inertial drive 9 connected to the input shaft 5 through kinematic mounting gear worm couple 8.
The module consists of an input shaft 5 that defines the kinematic transmission 7, two output shafts 6. kinematic transmission 7 is designed as a bevel gear meshing with a gear ratio equal to 2. The engine installation device into the operating position comprises an inertial actuator 9, a pair of worm 8, the tracking mechanism the wind flow direction 11. The actuating handle 10 may be installed instead of the inertial drive.
Wind turbine operates as follows. tracking mechanism 11 fixes the direction of wind flow. Through inertial drive 9 or the drive handle 10 via a pair of worm 8 engine is installed in the operating position. In this case the input shaft 5 is rotated, which, via a kinematic transmission 3 7 turns the blades to a position at which the movement of wind flow is carried in their planes perpendicular position towards the wind flow. The blades 3 on each revolution of the rotor makes a half-turn. Torque through the rotor shaft 4 is transmitted to the generator 12.
CLAIM
1. Wind turbine comprising a rotor with a vertical axis of rotation, the blade having a symmetric profile, the axis of rotation being located in a horizontal plane perpendicular to the vertical axis, rotatably mounted at a frequency half the rotation speed of the rotor, and are connected to a control mechanism, characterized in that the control mechanism consists of a kinematic transmission, disposed in the rotor, to which the output shafts are installed blade, and the input shaft is disposed coaxially within the hollow rotor shaft and a worm gear via a mounting associated with inertial actuator configured to interact with a mechanism for tracking the direction of wind flow.
2. Wind turbine according to claim 1, characterized in that the rotor is made of modules connected together, each of which comprises a housing with a control mechanism disposed therein, wherein the blades are arranged on the rotary output shafts of each module and the input shafts are interconnected .
print version
Publication date 10.04.2007gg
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