WO2020209556A1

WO2020209556A1 - Floating-type power generation apparatus

Info

Publication number: WO2020209556A1
Application number: PCT/KR2020/004623
Authority: WO
Inventors: 박혜숙
Original assignee: 박혜숙
Priority date: 2019-04-12
Filing date: 2020-04-06
Publication date: 2020-10-15
Also published as: KR102087997B1

Abstract

The present invention relates to a floating-type power generation apparatus comprising: a buoyant body movably floating on the surface of water; a main body of which the lower end is provided on the upper surface of the buoyant body so as to be horizontally rotatable around the vertical rotational center thereof, and in which a mounting space is formed; a rotating unit which is provided to be rotatable in both directions around the horizontal rotational center of the mounting space, and which rotates in both directions so as to generate rotating force when the buoyant body moves; and a power generation unit which is provided on the buoyant body, and which converts, into electric energy, a rotational motion transmitted from the horizontal rotational center of the rotating unit.

Description

Floating power generation device

The present invention relates to a floating power generation device, and more particularly, by using a directional weight to always rotate the center weight in the same direction as the wave direction, it is eco-friendly because it uses pure natural energy, and rotates according to the wave direction of the wave. Since the direction is variable, it relates to a floating power generation device capable of continuously producing electric energy regardless of the direction of a wave.

In general, power generation devices that produce electric energy include a thermal power generation device using coal or oil, a nuclear power generation device using uranium, and a hydro power generation device using a drop of fresh water.

Among them, the thermal power plant uses fossil fuels, which not only depletes fossil fuel resources, but also causes serious damage to the environment due to pollution, and a hydroelectric power plant using fresh water has to submerge a large area, so local residents migrate. There are social problems and problems that cause damage to the natural ecosystem, and nuclear power generation devices can cause safety due to the use of nuclear fuel, environmental pollution by nuclear wastes and pollutants generated in the power generation process.

These offshore power generation devices include tidal power generation devices that generate electricity by using the rising and falling motion of the sea level using tide as a power source, and the ocean that generates electricity by converting thermal energy into mechanical energy using the temperature difference between hot water in the ocean surface layer and cold water in the deep sea. There are a temperature difference power generation device, a tidal current power generation device that uses the kinetic energy of the sea water by installing a water turbine generator where the flow of sea water is fast, and a wave power generation device that uses the power of waves.

However, since the conventional offshore power generation device is operated as a large-scale facility, the construction cost is enormous, and since it can be operated only in a specific area limited, there are many restrictions.

As a prior document related to the present invention, there is Registration Patent No. 10-1627643 (May 31, 2016), and a wave power generation device is disclosed in the prior document.

An object of the present invention is to rotate the central weight in the same direction as the wave direction using a directional weight, so that the structure is simple and the volume is not large, so it can be manufactured at low cost, and electric energy can be produced without the consumption of fossil fuels. Therefore, it is eco-friendly, and since the rotation direction is variably adjusted according to the wave direction, it is to provide a floating power generation device capable of continuously producing electric energy regardless of the direction of the wave.

In addition, an object of the present invention is that it is possible to use the charged electric energy as power of the lighting unit, so that it can be used as a buoy at sea as well as the function of producing electric energy, and since it is possible to continuously produce electric energy, it is easy to maintain. It is to provide a floating power generation device.

The floating power generation device according to the present invention includes a buoyant body floating to flow on the water surface, and a body having a lower end horizontally rotatable on the upper surface of the buoyant body based on a vertical rotation center, and an installation space formed therein. And, a rotation unit that is installed so as to be rotatable in both directions based on the horizontal rotation center of the installation space, and when the buoyancy body flows, it rotates in both directions to generate a rotational force, and is installed on the buoyancy body, It characterized in that it comprises a power generation unit for converting the rotational motion transmitted from the horizontal rotation center into electrical energy.

Here, the rotation unit has a predetermined length, and when both ends of the longitudinal direction are rotatably coupled to both sides of the installation space, a horizontal rotation shaft and an upper end are coupled to the horizontal rotation shaft by a connection line, and when the buoyant body flows A central weight that is rotated in both directions to transmit rotational force to the horizontal rotation shaft, a driving gear rotatably coupled to one end or both ends of the horizontal rotation shaft in the longitudinal direction, and the driving gear rotates in engagement with the driving gear to rotate the driving gear At least one reduction gear limiting the speed to a set range may be provided.

In addition, a directional weight may be further coupled to one side of the body to rotate in a wave direction of the water surface, and the directional weight may be positioned parallel to the rotation direction of the central weight.

In addition, when the center of the central weight is vertically positioned, it may be located in the same line above the vertical rotation center.

In addition, the horizontal rotation center may be axially coupled eccentrically to one side of the main body so as to rotate eccentrically in the wave direction of the water surface, and the eccentric direction of the main body may be positioned parallel to the rotation direction of the central weight.

In addition, the power generation unit may be provided with a generator installed at one or both ends of the horizontal rotation shaft in the longitudinal direction, converting the rotational motion of the horizontal rotation shaft into electrical energy, and a charger for storing electrical energy transmitted from the generator. The generator includes a rotor coupled to one end or both ends of the horizontal rotation shaft in the longitudinal direction, a stator fixedly installed on the main body, and rotatably coupled therein, and the stator when the rotor rotates A magnetic for forming and magnetic force may be provided.

In addition, a lighting unit may be further installed on the buoyancy body to emit light, and the lighting unit may be connected to the charger by a connection cable to supply electric energy.

In addition, a drive shaft of a reduction motor for adjusting a rotation speed may be coupled to the rotation center of the reduction gear, and a control unit may be further electrically connected to the reduction motor, and the control unit adjusts the rotation speed of the central weight. It is sensed, and the driving force of the reduction motor may be variably controlled according to the rotational speed of the central weight.

The present invention uses a directional weight to constantly rotate the center weight in the same direction as the wave direction of the wave, so that the structure is simple and the volume is not large, so it can be manufactured at low cost, and electric energy can be produced without consumption of fossil fuels, so it is eco-friendly. And, since the rotation direction is variably adjusted according to the wave direction, it has the effect of continuously producing electric energy regardless of the wave direction.

In addition, since the present invention can utilize the charged electric energy as power of the lighting unit, it can be used as a buoy at sea as well as the function of producing electric energy, and continuous electric energy production is possible, so that maintenance is easy. Have.

1 is a perspective view for showing a floating power generation device according to the present invention.

Figure 2 is a front cross-sectional view for showing the floating power generation device according to the present invention.

Figure 3 is a side cross-sectional view for showing the floating power generation device according to the present invention.

Figure 4 is a block diagram showing a connection relationship between the components of the floating power generation device according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Advantages and features of the present invention, and a method of achieving the same will become apparent with reference to the embodiments described below in detail together with the accompanying drawings.

However, the present invention is not limited by the embodiments disclosed below, but will be implemented in a variety of different forms, only these embodiments are intended to complete the disclosure of the present invention, and common knowledge in the technical field to which the present invention pertains. It is provided to completely inform the scope of the invention to those who have, and the invention is only defined by the scope of the claims.

In addition, when it is determined that related well-known technologies or the like may obscure the subject matter of the present invention in describing the present invention, detailed descriptions thereof will be omitted.

1 is a perspective view for showing a floating power generation device according to the present invention, Figure 2 is a front sectional view for showing the floating power generation device according to the present invention.

In addition, Figure 3 is a side cross-sectional view for showing a floating power generation device according to the present invention, Figure 4 is a block diagram showing a connection relationship between the components of the floating power generation device according to the present invention.

1 to 4, the floating power generation apparatus according to the present invention includes a buoyancy body 100, a body 200, a rotating unit 300, and a power generation unit 400.

First, the buoyancy body 100 is floating so that it can flow on the water surface (sea, lake, etc., 10), and the lower part of the buoyancy body 100 floats in a submerged state, and the upper end is exposed to the water surface 10. I can.

Here, a material having a certain buoyancy may be combined under the buoyancy body 100 or an air layer may be formed at the bottom of the buoyancy body 100.

In addition, the buoyancy body 100 is floated with its upper end exposed to the upper portion of the water surface 10, and at the top of the buoyancy body 100, the body 200 and the lighting unit 500 to be described later are installed. A plate 110 of width may be installed.

Such a buoyancy body 100 can be used as a buoy installed in a floating state on the sea, and a mooring line (not shown) fixed to the sea floor so that its position is not changed by waves under the buoyancy body 100 ) Can be connected.

The main body 200 is installed to be horizontally rotatable on the upper surface of the buoyancy body 100 with respect to the vertical rotation axis 230 forming the vertical rotation center C1 at the bottom, and an installation space inside the main body 200 210 may be formed to a certain area.

The vertical rotation shaft 230 may have a lower end vertically coupled to the upper end of the plate 110, and an upper end vertically coupled to the lower end of the body 200.

Here, a directional weight 220 may be further coupled to one side of the main body 200 so as to rotate in the wave direction of the water surface 10 as shown in FIGS. 1 and 2.

The directional weight 220 is positioned parallel to the rotation direction of the central weight 320 to be described later, and may be fixedly coupled to one side of the main body by a separate fixing member.

Here, the directional weight 220 may be made of a metal material having a certain weight, and the directional weight 220 may be fixedly coupled to a wall surface of one side of the body 200.

Since such a directional weight 220 is eccentrically positioned on one side with respect to the vertical rotation center C1 of the main body 200, it is easily rotated in a direction in which a wave is formed, and the central weight 320 to be described later is The weight 220 is rotated in the direction in which it is located.

That is, since the central weight 320 is continuously rotated toward the direction in which the wave is formed due to the variable position of the directional weight 220, the central weight 320 can be continuously rotated even when the direction of the wave is not constant. have.

Alternatively, the vertical rotation shaft 230 may be eccentrically positioned on one side of the body 200 based on the vertical rotation center C1, and the eccentric direction of the body 200 is parallel to the rotation direction of the central weight 320 Can be located.

In this case, since one side of the main body 200 is rotated in the direction in which the wave is formed with respect to the vertical rotation axis 230, the central weight 320 can be continuously rotated even when the wave direction is not constant.

The rotation unit 300 is installed to be rotatable in both directions based on the horizontal rotation center C2 of the installation space 210, and when the buoyancy body 100 flows, it is rotated in both directions to generate rotational force.

To this end, the rotation unit 300 may be provided with a horizontal rotation shaft 310, a central weight 320, a driving gear 330, and a reduction gear 340, as shown in FIG. 2.

The horizontal rotation shaft 310 has a certain length, and both ends of the longitudinal direction are rotatably coupled to both sides of the installation space 210.

Here, the horizontal rotation center C2 of the horizontal rotation shaft 310 may form a right angle with the installation position of the directional weight 220 described above, and separate ends of the horizontal rotation shaft 310 in the longitudinal direction are separate for ease of rotation. Each bearing (not shown) may be installed.

And, both ends of the horizontal rotation shaft 310 in the longitudinal direction are organically connected to the generator 410 of the power generation unit 400 to be described later, and transmit the rotational force due to the rotational motion to the generator 410.

The central weight 320, the upper end is coupled to the horizontal rotation shaft 310 by a connection line, the central weight 320 is rotated in both directions when the buoyancy body 100 flows to rotate the horizontal rotation shaft 310 Deliver.

Here, the central weight 320 may be made of a metal material having a certain weight, and the center of the central weight 320 may be located in the same line above the vertical rotation center C1 of the main body 200.

In addition, the central weight 320 is rotated parallel to the direction in which the directional weight 220 is located, and the central weight 320 is rotated in the direction in which the directional weight 220 is located, so that the wave is It can be easily rotated in the direction in which it is formed.

The driving gear 330 is rotatably coupled to one end or both ends of the horizontal rotation shaft 310 in the longitudinal direction, and the driving gear 330 is organically engaged with the reduction gear 340 to be described later.

The reduction gear 340 is rotated in mesh with the driving gear 330, and at least one reduction gear 340 may be installed in a state in which at least one of the reduction gears 340 is organically meshed.

The power generation unit 400 is installed in the buoyancy body 100, and converts the rotational motion transmitted from the horizontal rotation center C2 of the rotation unit 300 into electric energy.

Here, the power generation unit 400 may be provided with a generator 410 and a charger 420, and the generator 410 includes a rotor (not shown), a stator (not shown), and a magnetic (not shown). It can be provided.

First, the generator 410 is installed at one end or both ends of the horizontal rotation shaft 310 in the longitudinal direction, and converts the rotational motion of the horizontal rotation shaft 310 into electric energy.

Here, the rotor of the generator 410 may be rotatably coupled to one end or both ends of the horizontal rotation shaft 310 in the longitudinal direction, and the stator of the generator 410 is fixedly installed in the main body 200 while the rotor It can be rotatably coupled inside.

The magnetic may be coupled between the outside of the rotor and the stator, and when the rotor rotates, it generates a magnetic force with the stator to generate electric energy.

Such a generator 410 is to convert the rotational motion of the horizontal rotation shaft 310 into electrical energy and store it in the charger 420 to be described later, and the generator 410 is a magnetic field by a rotor at the center and a stator surrounding the outside. It produces electricity while forming.

The charger 420 is for storing electric energy transmitted from the generator 410 as shown in FIGS. 1 and 2, and the electric energy generated from the generator 410 is continuously charged during the power generation operation by rotation of the horizontal rotation shaft 310 do.

Here, the charger 420 may be fixedly installed on the buoyancy body 100, for example, may be fixedly installed on the top of the plate 110 described above.

In addition, a separate waterproof case may be combined to prevent moisture from penetrating the outside of the charger 420 and the generator 410, but the installation state and location of the charger 420 and the generator 410 may vary as necessary. Applicable.

Such a charger 420 supplies electric energy to the lighting unit 500, which will be described later, or after charging for a certain period of time, electric energy to the required use (Navy and seascape observation equipment, CCTV, communication equipment, etc.) It can be used for supplying.

Meanwhile, in the above-described buoyancy body 100, a lighting unit 500 may be further installed to emit light to an environment in which visibility is not secured (at night, etc.). The lighting unit 500 includes a charger 420 and a connection cable ( It can be electrically connected by A).

Here, the lighting unit 500 can be installed on the top of the plate 110, and consists of a lamp for emitting light, a fixing member for fixing the lamp, and a control circuit electrically connected to the charger 420 Can be.

On the other hand, the drive shaft of the reduction motor 600 for adjusting the rotation speed may be coupled to the rotation center of the above-described reduction gear 340, and the reduction motor 600 is inside or outside the main body 200 as shown in FIG. Can be fixedly coupled to.

In addition, the control unit 700 may be further electrically connected to the reduction motor 600 as in FIG. 4, and the control unit 700 detects the rotational speed of the central weight 320 in real time, It is possible to variably control the driving force of the reduction motor 600 according to the rotation speed.

As a result, in the present invention, the directional weight 220 is eccentrically rotatably coupled to one side of the rotatable body, and the central weight 320 may be reciprocally rotated in a direction parallel to the rotational direction of the directional weight 220.

As a result, the structure is simple and the volume is not large, so it is possible to manufacture it at low cost, and it is eco-friendly because it is possible to produce electric energy without consumption of fossil fuels, and since the rotation direction is variably adjusted according to the wave direction, It can continuously produce electric energy.

In addition, in the present invention, since the charged electric energy can be used as power of the lighting unit 500, it can be used as a buoy at sea as well as the function of producing electric energy, and it is possible to continuously produce electric energy, so maintenance is easy. Do.

Until now, specific embodiments of the floating power generation apparatus according to the present invention have been described, but it is obvious that various embodiments can be modified without departing from the scope of the present invention.

Therefore, the scope of the present invention is limited to the described embodiments and should not be transmitted, and should be determined by the claims for patent registration as well as the claims for patent registration to be described later.

That is, the above-described embodiments are illustrative in all respects and should be understood as not limiting, and the scope of the present invention is indicated by the patent registration claims to be described later rather than the detailed description, and the meaning of the patent registration claims and It should be construed that all changes or modifications derived from the scope and equivalent concepts are included in the scope of the present invention.

Claims

A buoyant body floating on the water surface to enable flow;

A main body having a lower end installed to be horizontally rotatable on the upper surface of the buoyant body based on a vertical rotation center, and having an installation space formed therein;

A rotation unit installed so as to be rotatable in both directions with respect to the horizontal rotation center in the installation space, and rotating in both directions when the buoyancy body flows to generate rotational force; And

And a power generation unit installed on the buoyancy body and converting a rotational motion transmitted from the horizontal rotation center of the rotation unit into electric energy.
The method according to claim 1,

The rotating unit,

A horizontal rotation shaft having a certain length and having both ends of the longitudinal direction rotatably coupled to both sides of the installation space,

A central weight whose upper end is coupled to the horizontal rotation shaft by a connection line and rotates in both directions when the buoyancy body flows to transmit rotational force to the horizontal rotation shaft,

A driving gear rotatably coupled to one end or both ends of the horizontal rotation shaft in the longitudinal direction, and

Floating power generation apparatus, characterized in that it is provided with at least one reduction gear that is rotated in engagement with the drive gear to limit the rotational speed of the drive gear to a set range.
The method according to claim 2,

On one side of the body,

Directional addition is further combined to rotate in the wave direction of the water surface,

The directional weight,

Floating power generation device, characterized in that positioned side by side in the rotation direction of the central weight.
The method according to claim 2,

The center of the central weight,

Floating power generation device, characterized in that the vertical position is located in the same line above the vertical rotation center.
The method according to claim 2,

The horizontal center of rotation is,

It is axially coupled eccentrically to one side of the body so as to rotate eccentrically in the wave direction of the water surface,

The eccentric direction of the main body,

Floating power generation device, characterized in that positioned side by side in the rotation direction of the central weight.
The method according to claim 2,

The power generation unit,

A generator installed at one end or both ends of the longitudinal side of the horizontal rotation shaft to convert the rotational motion of the horizontal rotation shaft into electric energy, and a charger for storing electric energy transmitted from the generator are provided,

The generator,

A rotor coupled to one end or both ends of the longitudinal direction of the horizontal rotation shaft, a stator fixedly installed on the body, and rotatably coupled to the rotor, and a magnetic force formed with the stator when the rotor rotates Floating power generation device, characterized in that provided with a magnetic.
The method of claim 6,

In the buoyancy body,

A lighting unit is further installed to emit light,

The lighting unit,

Floating power generation device, characterized in that the electric energy is supplied by being connected by the charger and the connection cable.
The method according to claim 2,

At the center of rotation of the reduction gear,

The drive shaft of the reduction motor to adjust the rotation speed is coupled,

In the reduction motor,

The control unit is further electrically connected,

The control unit,

A floating power generation device, characterized in that for sensing the rotational speed of the central weight and variably controlling the driving force of the reduction motor according to the rotational speed of the central weight.