KR101168266B1 - Power generating apparatus for ship and ship including the same - Google Patents

Abstract

Disclosed are a power generating apparatus for ships and a ship comprising the same. The ship power generation device is provided in the interior of the hull, the chamber is open to the lower side of the hull; A first duct communicating between the inside of the chamber and the outside of the hull; A first valve for moving the internal fluid of the first duct out of the hull in the chamber; A first generator for converting kinetic energy of the fluid moving inside the first duct into electrical energy; A second duct communicating the inside of the chamber with the outside of the hull; A second valve for moving the internal fluid of the second duct from the chamber to the chamber outside of the hull; And a second generator for converting kinetic energy of the fluid moving inside the second duct into electrical energy.

Description

Power generating apparatus for ships and ships including the same

The present invention relates to a power generation device for ships and a ship comprising the same.

Ships are equipped with generators to produce the power needed to operate the ship. At this time, the power produced by the generator is supplied directly to the various electrical loads located in the vessel or stored in the battery.

In general, a ship is equipped with an auxiliary engine to drive such a generator. Such auxiliary engines operate using fossil fuels. Excessive use of fossil fuels has a problem of significantly increasing the cost of operating ships in the era of high oil prices. In addition, the use of fossil fuel has a problem that inevitably causes environmental pollution. In recent years, efforts to reduce the use of fossil fuels have been made.

Embodiments of the present invention are to provide a marine power generation apparatus and a vessel comprising the same, the power generation cost is reduced and environmental pollution is prevented.

According to an aspect of the present invention for achieving the above object, a ship power generation apparatus installed in the hull, the chamber provided inside the hull, the chamber is opened to the lower side of the hull; A first duct communicating the inside of the chamber with the outside of the hull; A first valve for moving the internal fluid of the first duct out of the hull in the chamber; A first generator for converting kinetic energy of the fluid moving inside the first duct into electrical energy; A second duct communicating between the inside of the chamber and the outside of the hull; A second valve for moving the internal fluid of the second duct from the outside of the hull to the chamber; And a second generator for converting kinetic energy of the fluid moving in the second duct into electrical energy.

The chamber includes a lower chamber open to the lower side of the hull and an upper chamber disposed above the lower chamber in communication with the lower chamber and having a cross-sectional area smaller than the cross-sectional area of the lower chamber. A duct and the second duct can be combined with the upper chamber.

The first generator may include a first shaft disposed inside the first duct; A first wing coupled to the first shaft to rotate; A first ring coupled to the tip of the first wing; A plurality of first magnets radially spaced apart from an outer circumferential surface of the first ring; And a plurality of first coil parts radially spaced apart from an outer circumferential surface of the first duct in correspondence with the first magnet part, wherein the second generator comprises: a second shaft disposed inside the second duct; A second wing portion coupled to the second shaft and rotating; A second ring coupled to the tip of the second wing; A plurality of second magnets disposed radially spaced apart from an outer circumferential surface of the second ring; And a plurality of second coil parts disposed radially spaced apart from the outer circumferential surface of the second duct in correspondence with the second magnet part.

A first external communication end of the first duct in communication with the outside of the hull, a second external communication end of the second duct in communication with the outside of the hull, a first chamber communication of the first duct in communication with the chamber An end and a second chamber communication end of the second duct communicating with the chamber may be located below the sea level, and the internal fluid of the first duct and the second duct may be seawater.

A first external communication end of the first duct in communication with the outside of the hull, a second external communication end of the second duct in communication with the outside of the hull, a first chamber communication of the first duct in communication with the chamber An end and a second chamber communication end of the second duct in communication with the chamber are each located above sea level, and the fluid inside the first duct and the second duct may be air.

A first outer communication end of the first duct in communication with the outside of the hull, a second outer communication end of the second duct in communication with the outside of the hull are respectively located above sea level, the first duct and the second duct The internal fluid of can be air or sea water.

According to another aspect of the invention, the hull; And it is provided with a ship comprising the marine power generation device installed on the hull.

The marine power generation device may be installed in at least one of the stern portion and the bow portion of the hull.

The ship power generation device may be installed in at least one of the port and starboard of the hull.

The apparatus may further include a rechargeable battery installed in the hull to store electric power generated by the first generator and the second generator.

According to the present invention, by using the up and down movement of the hull inevitably generated during the operation of the sea, the power generation device generates power, by using the generated power in the ship, burning the fossil fuel to produce power Unlike the conventional method of producing electric power, the cost such as the purchase cost of fossil fuel for producing electric power is reduced, and pollutants are not generated in the electric power production process, thereby preventing environmental pollution.

1 is a view as seen from the right side of a ship according to an embodiment of the present invention,
Figure 2 is a view from above of the ship according to an embodiment of the present invention,
3 is a view schematically showing a power generation device according to the present embodiment,
4 is a view schematically showing a first generator included in a ship power generation apparatus according to an embodiment of the present invention,
5 is a schematic cross-sectional view taken along the line AA of FIG.
6 to 8 are diagrams schematically showing the operation of the marine power generation apparatus according to the present embodiment.

Hereinafter, a preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings, in the following description with reference to the accompanying drawings, the same or corresponding components are given the same or corresponding reference numerals and overlapping therewith The description will be omitted.

1 is a view of the vessel according to an embodiment of the present invention from the right side, Figure 2 is a view of the vessel according to an embodiment of the present invention from the top. 1 and 2, the ship according to the present embodiment includes a hull 10 and a power generation device 30 installed in the hull 10.

According to the present embodiment, the power generation device 30 generates electric power by using the up and down motion of the hull 10 inevitably generated during the operation of the sea, it is possible to use the produced electric power in the ship. Accordingly, unlike the conventional method of producing electric power by burning fossil fuel to produce electric power, the ship according to the present embodiment can reduce costs such as the purchase cost of fossil fuel for producing electric power, and the electric power production process Pollutants do not occur in the environment, thus preventing environmental pollution.

3 is a view schematically showing a power generation device according to the present embodiment. Referring to FIG. 3, the power generation device 30 according to the present embodiment includes a chamber 40, a first duct 51, a first valve 52, a second duct 61, and a second valve. 62, a first generator 53, and a second generator 63 may be included.

The chamber 40 is provided inside the hull 10 and is opened to the lower side of the hull 10. The chamber 40 may be at least partially filled with seawater according to the positions W ₁ , W ₂ , and W ₃ of the sea level.

The chamber 40 may include a lower chamber 41 and an upper chamber 42 communicated with each other. In this case, the lower chamber 41 is opened to the lower side of the hull 10, and the upper chamber 42 is disposed above the lower chamber 41.

The cross sectional area of the upper chamber 42 may be smaller than the cross sectional area of the lower chamber 41. In this case, the fluid, for example seawater or air, moving through the upper chamber 42 to the lower chamber 41 may increase in flow rate by Bernoulli theorem.

The first duct 51 is coupled to the chamber 40. The first duct 51 communicates the inside of the chamber 40 with the outside of the hull 10. The first duct 51 is preferably coupled to the upper chamber 42 when the chamber 40 has a two-stage structure including an upper chamber 42 and a lower chamber 41.

According to the present embodiment, the first external communication end 51a of the first duct 51 communicating with the outside of the hull 10 may coincide with, but is not limited to, the second external communication end 61a described later. . In addition, the first chamber communicating end 51b of the first duct 51 communicating with the chamber 40 does not correspond to, but is not limited to, the second chamber communicating end 61b described later.

The first valve 52 may be installed on the first duct 51. The first valve 52 moves the internal fluid of the first duct 51, for example seawater or air, in one direction. According to this embodiment, the first valve 52 moves the fluid inside the first duct 51 out of the chamber 40 to the outside of the hull 10. This first valve 52 may comprise a one-way check valve. Alternatively, the first valve 52 may include a valve pivoting to open only in one direction. In addition, various modifications of the first valve 52 are possible.

The first generator 53 converts the kinetic energy of the fluid moving in one direction in the first duct 51 into electrical energy. 4 is a view schematically showing a first generator included in a ship power generation apparatus according to an embodiment of the present invention, Figure 5 is a schematic view showing a cross-sectional view A-A of FIG.

4 and 5, the first generator 53 includes a first shaft 54, a first wing portion 55, a first ring 56, a first magnet portion 57, The first coil unit 58 may be included. In more detail, the first shaft 54 may be disposed inside the first duct 51. The first shaft 54 is preferably arranged in a direction parallel to the flow of the fluid moving along the interior of the first duct 51. The first shaft 54 may be rotatably supported or fixedly supported within the first duct 51.

The first wing part 55 may be coupled to the first shaft 54. The first wing part 55 may have a propeller shape. The first wing 55 may rotate by the flow of fluid moving along the first duct 51. The first wing 55 may rotate relative to the first duct 51 integrally with the first shaft 54 when the first shaft 54 is rotatably supported with respect to the first duct 51. . Alternatively, the first wing portion 55 may rotate relative to the first shaft 54 when the first shaft 54 is fixedly supported with respect to the first duct 51.

The first ring 56 may be coupled to the tip of the first wing part 55. The first ring 56 may be formed to entirely surround the first wing 55 in the radial direction. The first ring 56 may rotate together with the first wing portion 55 when the first wing portion 55 rotates.

A plurality of first magnets 57 may be disposed on the outer circumferential surface of the first ring 56. The plurality of first magnets 57 may be spaced apart from each other in the radial direction of the first ring 56.

A plurality of first coil units 58 may be disposed on an outer circumferential surface of the first duct 51. Each of the first coil units 58 may be spaced apart from each other in the radial direction of the first duct 51 to correspond to each of the first magnet portions 57.

The first generator 53 configured as described above has a first ring 56 coupled to the first wing portion 55 and the first wing portion 55 while the fluid inside the first duct 51 moves in one direction. Rotation of the first magnet 56, the first magnet portion 57 provided on the outer circumferential surface of the first ring 56 is moved relative to the first coil portion 58 provided on the outer circumferential surface of the first duct 51 by the electromagnetic induction phenomenon Induced electromotive force is generated in the first coil unit 58.

Although not shown, according to another embodiment, the first generator includes a first shaft, a portion of which is partially exposed to the outside of the first duct, a first wing installed at an end of the first shaft located inside the first duct, and the first shaft. It may be configured to include a first power generation unit connected to the exposed end of and converting the rotational force transmitted from the first wing through the first shaft into electrical energy. In addition to this, various modifications to the first generator are possible.

Referring to FIG. 3, a second duct 61 may be coupled to the chamber 40. The second duct 61 communicates the inside of the chamber 40 with the outside of the hull 10. The second duct 61 is preferably coupled to the upper chamber 42 when the chamber 40 is a two-stage structure comprising an upper chamber 42 and a lower chamber 41.

According to this embodiment, the second external communication end 61a of the second duct 61 in communication with the outside of the hull 10 may coincide with, but is not limited to, the first external communication end 51a. In addition, the second chamber communication end 61b of the second duct 61 in communication with the chamber 40 does not coincide with, but is not limited to, the first chamber communication end 51b.

The second valve 62 may be installed on the second duct 61. The second valve 62 moves the internal fluid of the second duct 61, for example seawater or air, in one direction. According to this embodiment, the second valve 62 moves the fluid inside the second duct 61 from the outside of the hull 10 to the chamber 40. This second valve 62 may comprise a one-way check valve. Alternatively, the second valve 62 may include a valve pivoting to open only in one direction. In addition, various modifications of the second valve 62 are possible.

The second generator 63 converts the kinetic energy of the fluid moving in one direction in the second duct 61 into electrical energy. The second generator 63 may have the same configuration as that of the first generator 53 shown in FIGS. 4 and 5, and the description of the configuration is replaced with the description of the first generator 53.

6 to 8 are diagrams schematically showing the operation of the marine power generation apparatus according to the present embodiment. 6 to 8, the ship according to the present embodiment is to move in the vertical direction due to the influence of the wave. The position of the sea level (W ₁ , W ₂ , W ₃ ) with respect to the hull 10 may change according to the load state of the ship. Here, the arrows indicated by two lines indicate the movement of the sea level, and the arrows indicated by one line indicate the movement of the fluid moving inside each component of the ship power generation device 30.

First, when the sea level is in the W ₁ position as shown in FIG. 6, the first outer communicating end 51a and the first chamber communicating end 51b of the first duct 51, and the second duct 61, respectively. The second outer communicating end 61a and the second chamber communicating end 61b may each be located below the sea level.

In this case, even if the sea level moves up and down, the first external communication end and the first chamber communication end of the first duct 51 and the second external communication end and the second chamber communication end of the second duct 61 are respectively sea level. Located underneath In this case, the internal fluid of the first duct 51 and the second duct 61 becomes seawater.

When the sea level moves downward relative to the hull 10, the sea water flows into the chamber 40 side through the second external communication end 61 a. In this case, the first valve 52 maintains the closed state and the second valve 62 maintains the open state, so that the seawater flowing into the second external communication end portion 61a receives the second duct 61. It moves to the chamber 40 side accordingly. In this case, the second generator 63 generates electric power by converting kinetic energy of seawater moving along the inside of the second duct 61 into electrical energy.

Thereafter, when the sea level moves upward with respect to the hull 10, the seawater inside the chamber 40 is discharged to the outside of the hull 10 through the first chamber communication end 51b. In this case, the first valve 52 maintains the open state and the second valve 62 maintains the closed state, so that the seawater inside the chamber 40 along the first duct 51 may be hull 10. Move outside In this case, the first generator 53 generates electric power by converting the kinetic energy of seawater moving along the inside of the first duct 51 into electrical energy.

Further, when the sea level is in the W ₂ position as shown in FIG. 7, the first outer communicating end 51a and the first chamber communicating end 51b of the first duct 51 and the second duct 61 The second outer communication end 61a and the second chamber communication end 61b may each be located above the sea level.

In this case, even if the sea level moves up and down, the first external communication end 51a and the first chamber communication end 51b of the first duct 51 and the second external communication end 61a of the second duct 61 are located. And the second chamber communicating end 61b are each located above the sea level. In this case, the internal fluid of the first duct 51 and the second duct 61 becomes air.

When the sea level moves downward with respect to the hull 10, air enters the chamber 40 side through the second external communication end, and the second generator 63 moves the air moving along the inside of the second duct 61. It converts energy into electrical energy to produce power.

Thereafter, when the sea level moves upward with respect to the hull 10, the air inside the chamber 40 is discharged to the outside of the hull 10 through the first chamber communication end 51b, and the first generator 53 is first Power is generated by converting kinetic energy of air moving along the inside of the duct 51 into electrical energy.

Further, when the sea level is in the W ₃ position as shown in FIG. 8, the first outer communication end 51 a and the second outer communication end 61 a may each be located above the sea level. In this case, the first chamber communication end 51b and the second external communication end 61b may be located above or below sea level, respectively. In this case, the internal fluid of the first duct 51 and the second duct 61 becomes air or seawater according to the position of the sea surface.

When the sea level moves downward with respect to the hull 10, fluid (air or sea water) flows into the chamber 40 side through the second external communication end 61b, and the second generator 63 is connected to the second duct 61. Electric power is generated by converting kinetic energy of fluid (air or seawater) moving along the inside into electrical energy.

Thereafter, when the sea level moves upward with respect to the hull 10, the first generator 53 converts the kinetic energy of the fluid (air or seawater) moving along the inside of the first duct 51 into electrical energy to convert electric power. To produce.

Ship power generation device 30 according to this embodiment can be installed in both the stern and the bow portion of the hull 10 as can be seen in FIG. However, if necessary, the ship power generation device 30 may be installed at the stern portion or the bow portion of the hull 10.

In addition, the ship power generation device 30 according to the present embodiment may be installed in both the port and starboard of the hull 10, as can be seen in FIG. However, if necessary, the ship power generation device 30 may be installed in the port or starboard of the hull 10.

Meanwhile, referring to FIG. 3, the ship according to the present embodiment may further include a rechargeable battery (not shown) installed in the hull 10 to store electric power generated by the first generator 53 and the second generator 63. Can be. The electricity charged in the rechargeable battery can be used properly in ships when needed.

According to the present embodiment described above, by using the up and down movement of the hull 10 inevitably generated during the operation of the sea, the power generation device 30 generates power, by using the produced power in the ship Unlike conventional methods of burning fossil fuels to produce electricity, the cost of purchasing fossil fuels for power generation is reduced, and pollutants are not generated during power generation to prevent environmental pollution. do.

Although one embodiment of the present invention has been described above, the spirit of the present invention is not limited to the embodiments presented herein, and those skilled in the art to understand the spirit of the present invention are within the scope of the same idea, Other embodiments may be easily proposed by addition, modification, deletion, addition, etc., but this is also within the scope of the present invention.

10: hull
30: power generation device
40: chamber
41: lower chamber
42: upper chamber
51: the first duct
52: first valve
53: first generator
61: second duct
62: second valve
63: second generator

Claims (10)

As a ship power generation device installed on the hull,
A chamber provided inside the hull and open to the lower side of the hull;
A first duct communicating the inside of the chamber with the outside of the hull;
A first valve for moving the internal fluid of the first duct out of the hull in the chamber;
A first generator for converting the kinetic energy of the fluid moving in the first duct into electrical energy when the sea level moves up with respect to the hull;
A second duct communicating between the inside of the chamber and the outside of the hull;
A second valve for moving the internal fluid of the second duct from the outside of the hull to the chamber; And
And a second generator for converting the kinetic energy of the fluid moving in the second duct into electrical energy when the sea level moves downward with respect to the hull.
The method of claim 1,
The chamber may comprise:
A lower chamber open to the lower side of the hull and an upper chamber in communication with the lower chamber and disposed above the lower chamber and having a cross-sectional area smaller than that of the lower chamber,
And the first duct and the second duct are coupled to the upper chamber.
The method of claim 1,
The first generator,
A first shaft disposed inside the first duct;
A first wing coupled to the first shaft to rotate;
A first ring coupled to the tip of the first wing;
A plurality of first magnets radially spaced apart from an outer circumferential surface of the first ring; And
A plurality of first coil parts disposed radially spaced apart from an outer circumferential surface of the first duct corresponding to the first magnet part;
The second generator,
A second shaft disposed inside the second duct;
A second wing portion coupled to the second shaft and rotating;
A second ring coupled to the tip of the second wing;
A plurality of second magnets disposed radially spaced apart from an outer circumferential surface of the second ring; And
And a plurality of second coil parts radially spaced apart from the outer circumferential surface of the second duct corresponding to the second magnet part.
The method of claim 1,
A first external communication end of the first duct in communication with the outside of the hull, a second external communication end of the second duct in communication with the outside of the hull, a first chamber communication of the first duct in communication with the chamber An end and a second chamber communication end of the second duct in communication with the chamber are each located below sea level,
Inner fluid of the first duct and the second duct is a marine power generation device, characterized in that the sea.
The method of claim 1,
A first external communication end of the first duct in communication with the outside of the hull, a second external communication end of the second duct in communication with the outside of the hull, a first chamber communication of the first duct in communication with the chamber An end and a second chamber communication end of the second duct in communication with the chamber are each located above sea level,
The apparatus of claim 1, wherein the fluid inside the first duct and the second duct is air.
The method of claim 1,
A first external communication end of the first duct in communication with the outside of the hull, a second external communication end of the second duct in communication with the outside of the hull are each located above sea level,
The power generation device for a ship, characterized in that the internal fluid of the first duct and the second duct is air or sea water.
hull; And
Ship comprising the power generation device for ship according to any one of claims 1 to 6 installed in the hull.
The method of claim 7, wherein
The ship power generation apparatus is characterized in that installed on at least one of the stern portion and the bow portion of the hull.
The method of claim 7, wherein
The ship power generation device is a ship, characterized in that installed on at least one of the port and starboard of the hull.
The method of claim 7, wherein
And a rechargeable battery installed in the hull to store the electric power produced by the first generator and the second generator.

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