The invention discloses a heavy hammer type wave power generation method and device. According to the invention, under the action of wave power and gravity, a floating box enables driving sprockets and guiding sprockets to turn leftwards or rightwards along a chain, the driving sprockets turn leftwards or rightwards by means of a speed-increasing gear in a speed-increasing box and a transmission mechanism for converting bidirectional swinging to unidirectional rotation, a generator shaft always rotates in one direction to generate power. According to the invention, a wave energy collecting method is simple and easy, a large amount of wave energy can be collected, energy converting efficiency is high, the structure is simple, manufacturing costs are low, maintenance is avoided for a long time, service life is long, safety is good, a wave power generation station can be established by networking.

A turbine comprises a shaft (20), a mass (10) eccentrically mounted for rotation about shaft (20), having its center of gravity at a distance from the shaft (20) and a motion base (15). Motion base (15)rigidly supports the shaft (20), and is configured for moving the shaft (20) in any direction of at least two degrees of movement freedom, except for heave.

A floating vessel-turbine (120),encloses entirely the eccentrically rotating mass (10) and the motion base (15). The turbine converts ocean wave energy into useful energy, very efficiently.

A wave power generator includes a box-shaped body having an inner chamber containing a first gyroscopic device that includes a first frame hinged to the body around a first axis, a first gyroscope being carried by the first frame in a rotatable manner around a second axis perpendicular to the first axis, a first actuator being carried by the first frame to rotate the first gyroscope around the second axis, and a first converter device that converts rotational mechanical energy into electric energy that is mechanically coupled to the first frame. The first converter device is connected to a stabilizing device. A second gyroscopic device includes a second frame hinged to the body around a third axis transversal to the first axis.

A power generator comprises a casing (110) that in use is deployed in an environment in which the casing is subjected to an excitation motion such as wave motion. A series of masses (101, 103a-c) is located within the casing, wherein at least a first mass is coupled to the casing by a first spring (102), each of the masses is coupled to at least one adjacent mass by a respective spring, and wherein the casing and the series of masses bring a motion of the power generator into resonance with the excitation motion. A plurality of electric machines each comprising a stator and a field source are each associated with a corresponding mass such that a relative motion of a mass and associated electric machine generates electrical power. A power takeoff circuit receives generated electrical power from the plurality of electric machines and outputs electrical power from the power generator.

The invention relates to a module for converting wave energy, consisting of a floating enclosure comprising a hull which communicates its pitching movement to an eccentric mass capable of rotating without backlash about a central axis, and characterized in that: the pitching is encouraged by the particular profile of the hull and by dynamically adjustable mobile ballast, the eccentric mass takes the form of an autonomous carriage describing an orbit along a set of circular rails by means of sets of rollers which limit friction and spread load, an electric generator, mounted on the carriage, meshes with a set of racks of which the pitch, potentially variable, facilitates the electrical conversion, a generator control system governs the movement of the carriage so as to optimize the extraction of energy.

The invention relates to a module for converting wave energy, consisting of a floating enclosure comprising a hull which communicates its pitching movement to an eccentric mass capable of rotating without backlash about a central axis, and characterized in that: the pitching is encouraged by the particular profile of the hull and by dynamically adjustable mobile ballast, the eccentric mass takes the form of an autonomous carriage describing an orbit along a set of circular rails by means of sets of rollers which limit friction and spread load, an electric generator, mounted on the carriage, meshes with a set of racks of which the pitch, potentially variable, facilitates the electrical conversion, a generator control system governs the movement of the carriage so as to optimize the extraction of energy.

A turbine comprises a shaft (20), a mass (10) eccentrically mounted for rotation about shaft (20), having its center of gravity at a distance from the shaft (20) and a motion base (15). Motion base (15) rigidly supports the shaft (20), and is configured for moving the shaft (20) in any direction of at least two degrees of movement freedom, except for heave. A floating vessel-turbine (120), encloses entirely the eccentrically rotating mass (10) and the motion base (15). The turbine converts ocean wave energy into useful energy, very efficiently.

A wave energy conversion cylinder includes an outer cylinder and a center rod disposed along an axis of the outer cylinder. A plurality of electrically-conductive windings are disposed about an inner circumference of the outer cylinder. A magnet is slidably disposed on the center rod. A buoyancy cylinder is disposed outwardly of the outer cylinder. A first moveable ring weight may be slidably disposed along the axis of the center rod and a second moveable ring weight may be slidably disposed along the axis of the center rod. The first moveable ring weight and the second moveable ring weight facilitate control to tune a mass moment of inertia of the wave energy conversion cylinder.

A system configured for producing electric power from sea waves. The system includes a buoyant body; an electric generator including an input shaft adapted to rotate with respect to the buoyant body; a first arm coupled to the electric generator; a second arm; and a pivot joint rotatably joining the second arm to the arm. The pivot joint is at a distance, along the first arm, from the input shaft. The first arm connects the second arm to the generator. The tandem arms form a double pendulum system powering an autonomous floating sea analysing station.

The present invention relates to a pendulum electricity-generating device using natural energy, which is installed on the seashore, and which can generate electric energy stably and efficiently according to the flow on the sea surface. The present invention comprises: a housing that floats on the sea surface using buoyancy; buoyancy wings integrally connected to both sides of the housing so as to rotate the housing according to the floating movement of the sea surface; a power unit installed inside the housing in the longitudinal direction thereof; and a gravity body installed in the longitudinal direction of the power unit so as not to rotate in conformity with rotation of the housing, thereby transferring the rotational force to the power unit according to the floating movement of the housing. The present invention, described above, has the following advantages: firstly, even when installed and used at a place where the sea surface does not undergo a sufficient floating movement, stable electricity generation can be guaranteed while flexibly dealing with the horizontal flow of waves or the vertical flow of waves. Secondly, easy fracturing can be prevented even in the case of an abrupt floating movement of the sea surface; the characteristic feature, which is for the purpose of generating electricity using natural energy, is provided inside the housing such that, by effectively preventing corrosion of the constituent elements of the electricity-generating device by the salt in the seawater, the service life is increased, thereby reducing the maintenance cost; and configuration of multiple pendulum generators can maximize the efficiency of electricity generation. Thirdly, multiple generation units are installed and configured on the outside of the power unit so as to transfer the rotational force to the power unit such that, even if the housing, the buoyancy wings, and the power unit undergo abrupt floating movements according to the flow on the sea surface, a stable use can be guaranteed while flexibly dealing with the same.