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INVENTION
Russian Federation Patent RU2143584
REGULATOR windwheels for wind turbines
Name of the inventor: Sharafan VY .; Litvinov SA .; Zaitsev NM .; Fedorov Yu.S.
The name of the patentee: Sharafan Vladimir Y.
Address for correspondence: 357600, Essentuki, ul.Dolina roses, d.23, kv.42, Fedorov Yury Sergeyevich
Starting date of the patent: 1997.11.10
The invention relates to wind energy and can be used to control the operation of wind turbines with the Fleet propeller. The technical result consists in simplifying the design, improving the reliability of the rotation mechanism of the blades, overvoltage protection is provided by the fact that the propeller controller comprises a crank mechanism, windscreen relay, windshield relay cinematically connected with the sliders, moving along the guide rails and related rods with crank crank mechanism, wherein the connecting link comprises windshield relay and comprises two sprung blades attached to the axis.
DESCRIPTION OF THE INVENTION
The invention relates to wind energy and can be used to control the operation of wind turbines with the Fleet propeller.
Known regulators windwheels containing a crank mechanism kinematically coupled with the power and trigger springs placed in the cage, installed coaxially with the propeller shaft, and wind switch located outside the propeller (Shefter Frenkel M .: Energoizdat, 1983 p. 82, Fig. 5.3.). The prototype closest to the technical nature, is the regulator for AS N 688681, Mosalov VF, MC F 03 D 7/00, 30.09.79.
Regulator propeller prototype includes a crank mechanism connected to the power and trigger springs housed in cages, installed inside the shaft propeller and windshield, and the relay located outside the propeller.
This control includes a swivel, cylindrical shell, lock, kinematically connected to the wind relay which disables the wind wheel at a critical vetropotokah speed. The complexity of the design is obvious.
The purpose of the invention - to simplify the structure, improve the reliability of the blade rotation mechanism with unlimited amplitude fluctuations of the wind flow forces and thereby protect the wind wheel of distorting loads. This is particularly important in the design of low-power windmills.
This object is achieved by a complex operation control mechanism propeller in the prior art is replaced by a simpler and hence more reliable regulatory framework, which includes wind switch installed outside the propeller at any angle to the mast axis windmill, cinematically connected with the spring-loaded sliders, moving on guides, rigidly fixed to the bracket. Sliders rods connected with the crank mechanism propeller.
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FIG. 1 and 4 show the control circuit in the absence of wind; FIG. 1 - the same as in the operating mode; FIG. 3 - in the critical mode.
Stated regulator propeller comprises a crank mechanism 1, rods 10 associated with spring-loaded sliders 2 moving along the guide rails 3, rigidly fixed in parallel propeller shaft 6 to 4 brackets.
2 Sliders 5 kinematics associated with wind 8 relay consisting of two spring-loaded blades and fitted with side scene 9.
CONTROLLER WORKS AS FOLLOWS
In the absence of wind (see. Figs. 1 and 4) under the action of the spring 7 the sliders 2 moving on rails 3 and 4 to the bracket 10 through the thrust crank mechanism 1 mounted on the propeller blades starting angles.
In the event of wind flow with sufficient velocity through the relay 8 kinematics 5, two sliders, rods 10, crank mechanism 1 mounted on the propeller blade operation. 7 with the spring partially compressed. Relay 8, shifting under the pressure of the wind flow, held side scene 9 perpendicular to the wind direction.
When the critical pressure of the wind flow switch 8 shifting more above method sets the propeller blades on Vane angles, providing a stop, and prevents its destruction. At the same time the plane relay 8 constantly keeps perpendicular to the wind flow.
By reducing wind speed spring 7 returns the propeller blades angles corresponding to the pressure of the wind flow.
FIG. 5 shows the switch 8 windscreen consisting of two spring-loaded blades attached to the axis.
When hurricane wind speed to reduce the overturning moment and the possibility of destruction of the entire switch fabric controller 8, overcoming the spring constant calculated 11 are shifted on an axis forming an angle, thereby reducing wind flow destructive pressure switch 8.
This scheme regulator propeller allows optimal use of energy vetropotokah, improve technical and economic performance of wind power installations in operation, reduce the cost of its production, and simplify the repair.
CLAIM
1. propeller regulator, comprising a crank mechanism, windscreen relay, characterized in that the windscreen relay cinematically connected with the sliders, moving along the guide rails and related rods with crank mechanism.
2. Regulator according to claim 1, characterized in that the connecting link comprises windshield relay.
3. Regulator according to claim 1, characterized in that the windscreen relay comprises two spring-loaded blades attached to the axis.
print version
Publication date 31.01.2007gg
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