Device for renewable energy conversion

FIELD: power industry.

SUBSTANCE: device for conversion of renewable energy contains frame, blade jointed with frame, crank-and-rod mechanism installed at frame which crank portion of shaft is connected with blade by rod, at that rod is located in blade plane and rigidly fixed with it. Device is equipped with additional blade, second crank and second crank portion of shaft. Additional blade is jointed with frame and connected with second crank portion of shaft by second crank, at that second crank is located at angle to plane of additional blade and fixed with it rigidly and crank portions of shaft are offset towards each other in plane of shaft rotation. Shaft can be located between blades; second crank is located at angle of 90 degrees towards plane of additional blade and crank portions of shaft at angle of 90 in regard to each other. Besides shaft can be equipped with aerodynamic housing.

EFFECT: improvement of device reliability and efficiency.

3 cl, 1 dwg

 

The invention relates to a device for converting renewable energy and can be used in the field of energy to get energy from the air flow.

It is known a device for converting energy of a fluid flow into useful work, containing a set of interconnected blades associated with the energy Converter (RF patent No. 2037641, 1991, MCI F03B 13/00, F03B 17/06, F03D 5/06). The disadvantage of this device is the design complexity, low reliability and low efficiency.

Closest to the claimed invention is a device for converting renewable energy, containing a frame, a blade pivotally connected with the frame attached to the chassis by a crank mechanism, one of the tribes of the shaft which are connected by a connecting rod with the blade, and the rod is located in the plane of the blade and rigidly connected with it (patent RF №2293212, 2005, MCI F03D 5/00).

A disadvantage of this device is the low reliability due to the inability to self-activate after stops at easing the flow velocity and low efficiency of energy flow.

The claimed invention is directed to improving the reliability and efficiency of the device.

This result is achieved in that known device is to convert renewable energy, containing a frame, a blade pivotally connected with the frame attached to the chassis by a crank mechanism, one of the tribes of the shaft which are connected by a connecting rod with the blade, and the rod is located in the plane of the blade and rigidly connected with it, is provided with an additional blade, the second rod and the second knee of the shaft. Additional blade pivotally connected with the frame and connected to the second rod with the second knee of the shaft, while the second rod is at an angle to the plane of additional blades and rigidly connected with it, and the tribe of the shaft are displaced relative to each other in the plane of rotation of the shaft. This result in the particular case of execution of the device is achieved in that the shaft is placed between the blades, the second connecting rod is at an angle of 90 degrees to the plane of additional blades and knee shaft offset at an angle of 90 degrees relative to each other. In this particular case, the shaft can be provided with an aerodynamic shroud.

Distinctive features of the claimed invention are:

- additional blade;

the second connecting rod;

the second knee of the shaft of the crank mechanism;

- articulated link additional blades to the frame;

connection of additional blades of the second rod with the second knee shaft;

- the location of the second connecting rod at an angle to the plane of additional blades;

- hard St the relationship of the second rod with extra blade;

- the offset of the knees of the shaft relative to each other in the plane of rotation of the shaft.

Additional blade pivotally connected with the frame and connected by a second connecting rod with the second knee of the shaft, allows to increase the efficiency of the device due to the additional use of wind energy.

The location of the second connecting rod at an angle to the plane of additional blades, rigid connection of the rod with the blade, and also the displacement of the knees of the shaft relative to each other in the plane of rotation of the shaft to avoid the presence in the device of the so-called "dead spots"in which the incoming flow does not create directional rotation of the shaft of the crank mechanism. No "dead spots" increases the reliability of the device because the device is stopped after the weakening of the force of the wind, with the resumption of wind driven independently, without outside interference.

The essence of the invention is illustrated in the following description.

On the attached figure 1 shows a General view of the proposed device in the particular case of its implementation (the shaft is placed between the blades, the second connecting rod is at an angle of 90 degrees to the plane of additional blades, elbows shaft offset at an angle of 90 degrees relative to each other, the shaft is equipped with an aerodynamic shroud).

The device includes a base 1 with the installation and is certain it swing frame 2, which is rigidly fixed power beam 3. On the console side of the beam 3 has a crank mechanism, made in the form of the crank shaft 4. On lap 5 and 6 of the shaft 4 is installed to the upper 7 and lower 8 rods. The angle between lap 5 and 6 in the particular case of execution of the device is equal to 90 degrees. The upper connecting rod 7 is rigidly connected with the upper blade 9 so that the angle between the rod and the plane of the blade is 90 degrees. The lower connecting rod 8 is rigidly connected with the lower blade 10 and located in the plane of the blade 10. The upper blade 9 pivotally connected with the upper thrust 11, which, in turn, pivotally connected with the swing frame 2. The lower blade 10 is pivotally connected with the lower thrust 12, which is also pivotally connected with the swing frame 2. The upper rod 11 is made elongated and at its cantilevered end hinged vertical rod 13 connected to the converting mechanism 14, which is mounted on the platform 15, rigidly associated with the frame 2. The crank shaft 4 is located between the top 9 and bottom 10 blades and is equipped with an aerodynamic shroud 16. On the shaft 4 has a rocker 17. Arrow V indicate the direction of air flow, the arrow ω denotes the direction of the rotation shaft 4.

The device operates as follows.

Under the action of the lifting force of the air flow blade 9, which is located on the positive angle of attack, rises, turning the crank shaft 4 in a clockwise direction. A positive angle of attack vane 9 is maintained until the knee 6 of the shaft 4 will not take extreme upper position corresponding to the upper dead point". When moving blades 9 through its upper dead point, the angle of attack of the blade becomes negative, under the action of wind flow vane 9 starts to fall down, continuing to rotate the shaft 4 in a clockwise direction. At the bottom dead point of the angle of attack of the blades 9 again becomes positive, the blade begins to rise up, continuing to rotate the shaft 4 in a clockwise direction. The lower blade 10 works in a similar way, providing turn the crankshaft clockwise. As the tribe 5 and 6 of the shaft 4 is installed with an offset angle of 90 degrees, the lack of effort on the shaft 4 from the side of one of the blades when in its "dead point" offset by a corresponding maximum force of the other blades. Mechanical stress from the effects of wind on the blades is transmitted through the lever 11 and the rod 13 to the converting mechanism 14 mounted on the platform 15. When changing the direction of the wind blades unfold the frame 2 so that the constant location of the blades in a favorable reception mode energy of air flow. Installation aerodynami the definition of the casing 16 provides for the creation of additional torque, as the air flow around the casing, is directed to the bottom 10 and the top 9 of the blade.

In this device there are no "dead spots"where the wind creates directional rotation of the shaft of the crank mechanism. The device staying after the weakening of the force of the wind, with the resumption of wind driven independently, without external interference, which ensures its reliable operation.

1. A device for converting renewable energy, containing a frame, a blade pivotally connected with the frame attached to the chassis by a crank mechanism, one of the tribes of the shaft which are connected by a connecting rod with the blade, and the rod is located in the plane of the blade and rigidly connected with it, characterized in that the device is provided with an additional blade, the second rod and the second knee shaft with a blade pivotally connected to the frame and connected to the second rod with the second knee of the shaft, the second connecting rod is at an angle to the plane of additional blades and rigidly connected with it, and the tribe of the shaft are displaced relative to each each other in the plane of rotation of the shaft.

2. The device according to claim 1, characterized in that the shaft is placed between the blades, the second connecting rod is at an angle of 90° to the plane of additional blades and knee shaft offset at a 90° angle relative to each other in the plane BP is tion of the shaft.

3. The device according to claim 1 or 2, characterized in that the shaft is equipped with an aerodynamic shroud.



 

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