Inertial wind wave energy transducer

Abstract

FIELD: hydraulic machines and engines.SUBSTANCE: invention relates to renewable energy sources. Inertial wind wave energy transducer comprises support structures installed in water area 1, a wave energy transducer made in the form of sections and installed in the wave action zone of water area 1, a horizontal shaft, an electric generator 10 consisting of a stator and a rotor, and a plug. The transducer is equipped with a second electric generator 10. The horizontal shaft is made of interconnected sections 18 and fastening disks 15, 16 with blades 6 fixed to them in the shape of a torus, the internal space of which is divided by blind plugs into sections having through holes under the plugs on the side surface of each section. At the end sections of the horizontal shaft, protective chambers 20 are installed that are isolated from the surrounding water environment, in each of which a flywheel 7 is located. The shaft 14 of the flywheel 7 is connected via a detachable coupling to a horizontal shaft that transmits torque through a gear wheel to the rotor of the electric generator 10.EFFECT: simplifying the design, reducing hydraulic resistance, decreasing pulsation, increasing the rotation speed of the electric generator and ensuring the possibility of operating several electric generators on one horizontal shaft.1 cl, 3 dwg

Description

[0001] The invention relates to the use of renewable energy sources of wind waves for generating electricity.

[0002] A known energy source (patent No. 2370662 RU) contains an electric generator, made bi-rotational with internal and external rotors, and a hydraulic drive with internal and external drives.

[0003] The disadvantage of this technical solution is the complex lubrication system of rotating components and the location of the electric generator below the water level, which makes it impossible to carry out routine maintenance during its operation without raising it to the surface above the water level.

[0004] Also known is a gravity wave power plant (patent No. 2836187 RU), which includes a cylindrical body installed in the wave action zone with converter tanks, a horizontal shaft and a generator with a rotating rotor around a stator fixed to a fixed shaft.

[0005] The disadvantage of this device is the high hydraulic resistance and energy loss during rotation of the cylinder, which has converter capacitors protruding beyond its contour, as well as the pulse wave effect on the converter capacitors and the uneven rotation of the cylindrical body together with the generator rotor.

[0006] The invention is based on the task of simplifying the design of the converter, reducing the hydraulic resistance during blade rotation, reducing the pulsation of the torque transmitted to the electric generator, increasing its rotation speed and ensuring the possibility of operating several electric generators on one horizontal shaft.

[0007] The technical result is achieved in that in the proposed invention, an inertial wind wave energy converter comprising support structures installed in a water area, a wave energy converter made in the form of sections and installed in the wave action zone of the water area, a horizontal shaft, an electric generator consisting of a stator and a rotor, plugs, according to the invention, is equipped with a second electric generator, the horizontal shaft is made of interconnected sections and fastening disks with blades fixed to them, made in the shape of a torus, the internal space of which is divided by blind plugs into sections having through holes under the plugs on the side surface of each section, while at the end sections of the horizontal shaft, protective chambers are installed that are isolated from the surrounding water environment, in each of which a flywheel is placed, the shaft of which is connected to the horizontal shaft through a detachable coupling,transmitting torque through a gear wheel to the rotor of an electric generator,

[0008] The following system of cause-and-effect relationships exists between the set of distinctive features of the claimed technical solution and the achieved technical result.

[0009] The torus-shaped blade ensures the least resistance when rotating in an aquatic environment, which corresponds to the least energy loss when transmitting it to the horizontal shaft of the converter.

[0010] Dividing the internal volume of the torus with blind plugs creates a container that fills with water through holes located on the side of the torus beneath the plugs as the water level rises due to wave action. As the water level drops, one side of the torus maintains the volume of water in the filled containers, while the other side of the same torus empties itself. The difference in weight creates a torque for the blades, which is transmitted to the horizontal shaft.

[0011] Installing protective chambers isolated from the surrounding water environment and placing flywheels in them ensures their operation without exposure to the water environment and preserves its weight characteristics, which makes it possible to reduce the pulsation of torque due to the periodic accumulation and release of kinetic energy by the flywheels, and connecting the horizontal shaft to the flywheel shaft with detachable couplings makes it possible for one of the two electric generators to operate autonomously while maintaining the speed characteristics of the flywheel and gear wheel that transmit torque through the rotor gear of the electric generator.

[0012] The proposed technical solution is illustrated by drawings, where:

[0013] Fig. 1 shows a top view;

[0014] Fig. 2 - section along A-A;

[0015] In Fig. 3 - section along B-B,

[0016] where:

[0017] 1 - water area,

[0018] 2 - working platform,

[0019] 3 - converter blade section,

[0020] 4 - horizontal shaft of the converter,

[0021] 5 - fastening of horizontal shaft flanges,

[0022] 6 - converter blade (torus-shaped),

[0023] 7 - flywheel,

[0024] 8 - flywheel gear,

[0025] 9 - generator gear,

[0026] 10 - electric generator,

[0027] 11 - platform for electric generator,

[0028] 12 - plug,

[0029] 13 - through holes in the blade,

[0030] 14 - flywheel shaft,

[0031] 15 - converter blade disk,

[0032] 16 - horizontal shaft disk,

[0033] 17 - horizontal shaft section flange,

[0034] 18 - horizontal shaft section,

[0035] 19 - waterproofing,

[0036] 20 - protective chamber,

[0037] 21 - still water level,

[0038] 22 - wave crest level,

[0039] 23 - wave trough level.

[0040] The inertial wind wave energy converter works as follows.

[0041] The horizontal shaft of the converter 4, consisting of sections 18, connected by flanges 17 and fixed with the help of disks 15, 16 of the blades of the converter 6, is installed in the wave action zone in the water area 1 so that the longitudinal axis of the horizontal shaft of the converter 4 coincides with the level of calm water 21 in the water area 1.

[0042] When the wave crest passes, water fills sections 3 through the through hole 13 in the blade 6. When the wave trough passes, water pours out of the filled sections 3 and remains only on the side where the bottom of section 3 is located below the through hole 13.

[0043] The difference in the weight characteristics of the sides of the blade creates a torque that is transmitted to the horizontal shaft of the converter 4 from each blade 6. The horizontal shaft of the converter 4 is connected via a detachable coupling to the shaft of the flywheel 14 located in the protective chamber 20.

[0044] A flywheel gear 8 is installed on the flywheel shaft 14, the torque from which is transmitted through the gear of the electric generator 9 to the rotor of the electric generator 10 to generate electricity.

[0045] The wind wave energy converter has two electric generators located in protective chambers 20.

Claims

An inertial wind wave energy converter comprising support structures installed in a water area, a wave energy converter made in the form of sections and installed in the wave action zone of the water area, a horizontal shaft, an electric generator consisting of a stator and a rotor, a plug, characterized in that it is equipped with a second electric generator, the horizontal shaft is made of interconnected sections and fastening disks with blades fixed thereto, made in the shape of a torus, the internal space of which is divided by blind plugs into sections having through holes under the plugs on the side surface of each section, wherein on the end sections of the horizontal shaft there are installed protective chambers isolated from the surrounding water environment, in each of which a flywheel is placed, the shaft of which is connected through a detachable coupling to the horizontal shaft, transmitting torque through a gear wheel to the rotor of the electric generator.

Images