Device for obtaining electric energy from sea waves

FIELD: power industry.

SUBSTANCE: device for obtaining electric energy from sea waves includes vessel hull, several longitudinal channels 2 at vessel hull, hydraulic turbine generators 14, electric accumulators, electric actuator 12 with screw propeller 13. Longitudinal channels 2 are slanted towards vessel aft. Lower edge of inlet nose hole 4 of channel 2 is arranged at level of average seal water level value. In longitudinal channel 2 there installed is circular cylinder with vertical axis with possibility of its being flown along the outline with sea water flow, in the cavity of which there provided are pipelines interconnected with each other and with longitudinal channel. Hydraulic turbine generators 14 are installed on pipeline which is transverse to longitudinal channel.

EFFECT: obtaining electric energy used immediately at production site for electric actuator of vessel screw propeller.

3 cl, 6 dwg

 

Device for generating electrical energy from sea waves relates to the field of marine engineering and is intended for converting sea wave energy into electrical energy.

There is a method of energy conversion pitching floating vessel (RU, patent No. 2046994 C1, F03 13/12, 13/22, 1980) by using the energy of the fluid during rolling through hydraulic turbines installed in pairs of conduits connecting the opposite compartments onboard tanks to increase capacity, the tank is placed outside the boards, and hydraulic turbine sets at the end of the conduits at opposite sides.

The disadvantages are the counterpart: the bulky hull with regard to on-Board tanks; konopielka the design of the connection of all hydro one Board one shaft with kardannyy couplings; indirect use of the energy of the waves.

Closest to the proposed invention is an underwater vessel (RU, patent No. 2095276 C1, 63G 8/00, 8/22, 1997), comprising a housing, inside of which in the longitudinal plane below the waterline posted at least one pipe with a through channel in the middle part which has a water turbine (turbine) to provide movement of the vessel associated with the power plant, and because the tube is cylindrical cross-section, and forward the aft parts are mounted shutters hermetic overlap of the channel pipe, and the vessel is equipped with means for removing water from a pipe with closed shutters to create a vessel of positive buoyancy.

The disadvantage of the prototype is the lack of devices for renewable electric energy for propulsion of the water turbine.

The invention aims to remedy these disadvantages, the obtained electric energy is used directly at the point of production for electric drive ship propeller. The hydrogenerator works not only from the pressure of the waves, but also from the vacuum in the inlet channel, which podsushivaet fluid accelerates the flow and increase efficiency.

This task is solved by a device for generating electrical energy from sea waves, comprising a hull, a number of longitudinal channels in the bottom of the hull, generators, electric batteries, electric drive with a propeller screw, according to the invention, the longitudinal channels are made with a bias towards the stern of the vessel, with the lower edge of the input nasal opening of the channel is placed at the level of the average water level in the sea, in the longitudinal channel has a circular cylinder with a vertical axis with the possibility of wrapping outline the flow of sea water in the cavity is made, interconnected longitudinal and the channel, pipelines, generators mounted on transverse to the longitudinal channel of the pipeline. In addition, the external lateral surface of a circular cylinder can be made of copper-Nickel alloy. In addition, the device can be equipped with a system of ropes and anchors.

Device for generating electrical energy from sea waves is illustrated by drawings: figure 1 shows the device; figure 2 is a section along a-a in figure 1; figure 3 is a section along B-B in figure 1 and figure 5; figure 4 is a section along b-b In figure 3; figure 5 shows a variant of the device; figure 6 is a section along G-g of figure 5.

Device for generating electrical energy from sea waves includes: a hull 1, a number of longitudinal channels 2 with a bias towards the stern of the vessel for the passage of sea water, the direction of which is indicated by an arrow 3. The inlet 4 of the longitudinal channel is placed in the bow of the vessel, with its lower edge placed at the level of the average water level in the sea, and the hole 5 in the aft part of the ship. In the cavity of the longitudinal bearer is set with fastening to the floor and ceiling, a circular cylinder 6 with a vertical axis and flow paths of the flow of sea water. In the cavity of a circular cylinder placed, interconnected and longitudinal channel 7 longitudinal and transverse 8 pipelines, and the input re the participation of the longitudinal pipe placed with a front 9 and rear 10 parties, and outlet openings 11 of the transverse pipe from the sides of a circular cylinder. The actuator 12 of the propeller 13 is placed in the aft part of the ship. The generators 14 are placed on the transverse pipes of a circular cylinder. The device is equipped with a system of ropes 15 and anchors 16 (figure 5 and 6).

A device for obtaining electrical energy from sea waves is based on theory of flow past a circular cylinder the real fluid flow. It is known that the pressure along the contour of a circular cylinder, the streamlined flow, the axis of which is installed in the vertical plane, are not evenly distributed. With the frontal side 9 of a circular cylinder static pressure is equal to the total pressure

P1=P0+ρV2/2,

where R0- atmospheric pressure, V is the velocity of the flow stream with the frontal side of the cylinder. In point 11 of the output flow is at the maximum negative pressure. This compressed section is at the maximum flow rate. For the cylinder with the rear side 10 has a slight negative pressure, and is connected with the formation of reverse currents and eddies of the stream. Around the contour of a circular cylinder 6 sea water stream under positive pressure P1will flow into the inlet 9 and 10 of the longitudinal pipe 7 and out of the outlet 11 pop the river line 8 in the zone with the maximum negative pressure (vacuum). Sea flow cross pipe 8 rotates the working body of the hydro generator 14, which generates electricity. To avoid fouling, the side surface of a circular cylinder 6 made of copper-Nickel alloy. The surplus electric power accumulated in the battery and used in the absence of the sea.

The device can operate as a stationary floating power plant with electricity consumers to the shore (figure 5 and 6). Its principle of operation described above.

The introduction of a device for obtaining electrical energy from sea waves will implement reliable and cost-effective way of producing electric energy. It should be noted the simplicity of the device and reliability of operation, including inspection, repair and replacement of equipment that is placed indoors and not exposed to the outside of a marine environment.

1. Device for generating electrical energy from sea waves, comprising a hull, a number of longitudinal channels in the bottom of the hull, generators, electric batteries, electric drive with a propeller screw, wherein the longitudinal channels are made with a bias towards the stern of the vessel, with the lower edge of the input nasal opening of the channel is placed at the level of the average water level is in the sea, in the longitudinal channel has a circular cylinder with a vertical axis with the possibility of wrapping outline the flow of sea water in the cavity is made of interconnected longitudinal channel pipelines, generators mounted on transverse to the longitudinal channel of the pipeline.

2. The device according to claim 1, characterized in that the outer lateral surface of a circular cylinder made of copper-Nickel alloy.

3. The device according to claim 1, characterized in that it is equipped with a system of ropes and anchors.



 

Same patents:

FIELD: power industry.

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EFFECT: higher efficiency of energy extraction from sea currents and improved operating conditions.

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2 dwg

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7 cl, 6 dwg

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