RU2479748C2 - Rotor-type windmill - Google Patents

Abstract

FIELD: engines and pumps.

SUBSTANCE: to decrease cross-section of wind intake moving toward wind flow, windmill comprises rotary bed, cross-arms, columns with energy intakes and central strut. Note here that energy intakes are composed of columns mounted between top and bottom cross-arms with flexible shutters partially embracing the latter and secured by their one edge along columns generating lines. While opposite edge is connected by coupled tie rods to appropriate edge of the shutter of opposite column. Note also that said columns are hollow and furnished with openings with webs. Said openings are located on one side of the column facing the flow.

EFFECT: higher efficiency.

5 dwg

Description

The invention relates to the field of wind energy, in particular to wind power plants.

Known wind power installation with a wind turbine [1], containing a tower, a rotary base on which the wind wheels and the stator element with the core are installed, the latter through the air gap connected with rotor elements made in the form of permanent magnets with pole tips and mounted on the ends of the blades of the wind wheel . Slots are made in the core of the stator element, and the permanent magnet of the rotor element is provided with a bandage installed in the slot of the core of the stator element.

Of all the known analogues, the closest to the claimed combination of features is a rotary vertical wind turbine [2] containing a rotating base, traverses and energy receivers, while the energy receivers are made in the form of columns motionless relative to the traverses with flexible sail curtains partially covering them, and one the edge of the curtains is fixed along the generatrix of the columns, and the other edge is connected with the corresponding edge of the curtain of the opposite column by rods, providing for the wrapping of the curtain around one stake nna and unfolding curtain around the opposite column.

Thus, the rotary wind turbine contains a rotating base, traverses, columns with energy receivers and a central rack.

The disadvantage of this wind turbine is the low use of air flow.

The invention is aimed at increasing the use of air flow and, as a result, improving the energy of the installation.

This is achieved by the fact that for a rotary wind turbine containing a rotating base, traverses, columns with energy receivers and a central rack, according to the invention, energy receivers are made in the form of columns installed between the upper and lower traverses with flexible curtains partially covering them, fixed at one edge along the columns forming them and the other edge connected rods with the corresponding edge of the curtains of the opposite columns, the columns are hollow and equipped with windows with jumpers, the windows are located on discharge-side columns extending downstream.

The technical result, which consists in reducing the cross-section of the wind receiver moving towards the flow, is that the columns are hollow and equipped with windows with jumpers.

The invention is illustrated by drawings, where Fig. 1 shows a rotary wind turbine, front view (wind direction is shown in the drawing), Fig. 2 is a top view, Fig. 3 is a view of a column moving against the flow, and Fig. 4 is view of the column moving in a stream, in Fig.5 is a view of the column from above.

The wind turbine contains a fixed base 1, transmission 2 to the consumer 3 (for example, an electric generator), a rotating base 4 with traverses 5, a central rack 6. Between the upper and lower traverses, wind energy receivers are installed, made in the form of columns 7 with flexible curtains partially covering them 8 Sailing type, representing a rectangular cloth. One edge 9 of the curtain is fixed along the generatrix of the cylindrical columns, and the other movable through the straps 10 are connected with rods 11 with the corresponding edge of the curtain of the opposite column. The columns are hollow in the form of pipes, while the columns are provided with windows 12 with jumpers 13. Windows with jumpers are located on one (along the length) side of the column. Thus, the side of the column going upstream is smooth (see FIG. 3) and has a minimum aerodynamic drag, and the side going down the flow, thanks to the windows 13, is a recess having a high aerodynamic drag, i.e. creating torque.

Device operation

When the wind flow is in, the free edges of the curtain with the bar are moved from the neutral position - shown in Fig. 2 by a dotted line, to the working position, i.e. the shutter 8 at the right column in FIG. 2 unfolds and, capturing the wind flow, creates a moment causing the engine to rotate counterclockwise. In this case, the curtain of the extreme right column (shown in Fig. 2), turning through the rod 11 connected to the bar 10, wraps the curtain of the extreme left column, which reduces the mid-section, and this leads to a decrease in the opposing moment, i.e. to increase the useful moment.

Thus, the orientation of the curtains on the opposite columns is as follows:

1) on the columns horizontally located traverses (figure 2) - the curtain on the right column is open, on the left - closed;

2) on a vertically located traverse (figure 2), the curtains relative to the columns are in the middle position, while a small opening of the curtain at the upper column is not excluded. The aerodynamic effect of the columns is added to the aerodynamic effect of the shutter, while the columns going upstream, the curtains roll over the jumpers 13 (Fig. 5), creating a minimum aerodynamic drag. The angular opening of the column with windows can be less than 180 ° (Fig. 5, angle AOB).

A positive quality of this engine is, along with a simple design, an automatic change in the direction of decreasing the cross section of a wind receiver moving towards the wind, which improves the efficiency of the device, while hollow columns improve the energy of the installation.

The technical and economic advantage of this wind power installation is the relatively high power of the installation, which makes it possible to build installations with a higher efficiency.

Information sources

1. RF patent No. 2211951 / A.M. Litvinenko. Wind power installation, B.I. No. 25, 2003; F03D 9/00.

2. RF patent No. 2370664 / A.M. Litvinenko. Rotary vertical wind turbine, B.I. No. 26, publ. 09/27/09; F03D 3/06 (2006.01).

Claims (1)

A rotary wind turbine containing a rotating base, traverses, columns with energy receivers and a central rack, characterized in that the energy receivers are made in the form of columns installed between upper and lower traverses with flexible curtains partially covering them, fixed by one edge along the generatrix of the columns and the other edge connected rods with the corresponding edge of the curtains of the opposite columns, while the columns are hollow and equipped with windows with jumpers, the windows are located on one side of the columns going downstream.

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