JP5462647B2 - Power generation equipment by ship sway - Google Patents

Power generation equipment by ship sway Download PDF

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JP5462647B2
JP5462647B2 JP2010021677A JP2010021677A JP5462647B2 JP 5462647 B2 JP5462647 B2 JP 5462647B2 JP 2010021677 A JP2010021677 A JP 2010021677A JP 2010021677 A JP2010021677 A JP 2010021677A JP 5462647 B2 JP5462647 B2 JP 5462647B2
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hull
ship
stern
generated
bow
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JP2011157907A (en
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宏幸 齊藤
章雄 伊東
宏彰 宮部
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Japan Marine United Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Description

本発明は、船体が動揺するときに発電を行うことができるようにするための船舶の動揺による発電装置に関するものである。なお、前記船体とは浮体による海洋構造物を含む意で用いるものとする。   TECHNICAL FIELD The present invention relates to a power generation device that uses a ship's sway to enable power generation when the hull sways. In addition, the said ship body shall be used with the meaning including the offshore structure by a floating body.

船舶は、航行時あるいは停泊時に波浪等の影響を受けると、船体にローリングやピッチングの動揺が生じる。   When a ship is affected by waves or the like at the time of navigation or berthing, rolling and pitching may occur in the hull.

上記船体に生じるローリングやピッチングの動揺は、主として波浪等の船体の外部より作用するエネルギーの影響によって生じる船体運動であるため、これらの船体運動のエネルギーを回収して有効利用することができれば、船内で消費される燃料の削減化を図ることができると考えられる。そこで、本発明者等は、上記船体に生じるローリングやピッチングの動揺を利用して発電を行うことを計画している。   The rolling and pitching fluctuations generated in the hull are mainly hull movements caused by the effect of energy acting from the outside of the hull, such as waves, so if the energy of these hull movements can be recovered and used effectively, It is thought that it is possible to reduce the amount of fuel consumed by the plant. Therefore, the present inventors are planning to generate power using rolling and pitching fluctuations that occur in the hull.

ところで、海面に浮かぶ浮体構造物に波浪等が作用する際に、該浮体構造物に生じる動揺を利用して発電を行う手法については、以下のような種々の手法が従来提案されている。   By the way, the following various methods have been conventionally proposed as a method for generating electric power by using the fluctuation generated in the floating structure when waves or the like act on the floating structure floating on the sea surface.

すなわち、たとえば、波浪（入射波）による浮体の上下揺れ運動を、ばねに支持された重錘と共に浮体内部で上下振動するピストンと、該浮体内に位置固定されたシリンダとの相対運動に変換して、該ピストンとシリンダにより空気を圧縮し、該圧縮された空気により空気タービンを駆動して発電を行う手法（たとえば、特許文献１参照）や、波浪（入射波）による浮体の横揺れ運動を、振り子に支持された重錘と共に浮体内部で揺動するピストンと、浮体内に位置固定されたシリンダとの相対運動に変換して、該ピストンとシリンダにより空気を圧縮し、該圧縮された空気により空気タービンを駆動して発電を行う手法が提案されている（たとえば、特許文献２参照）。   That is, for example, the vertical motion of the floating body due to waves (incident waves) is converted into relative motion between a piston that vibrates up and down inside the floating body together with the weight supported by the spring and a cylinder fixed in position within the floating body. Then, a method of generating power by compressing air with the piston and cylinder and driving an air turbine with the compressed air (see, for example, Patent Document 1) or rolling motion of a floating body due to waves (incident waves) , Converted into relative motion between a piston swinging inside the floating body together with the weight supported by the pendulum, and a cylinder fixed in position within the floating body, and the compressed air is compressed by the piston and the cylinder. Has proposed a method of generating power by driving an air turbine (see, for example, Patent Document 2).

又、洋上構造物（浮体構造物）に、発電用エアー区画室と動揺増幅区画室を設け、且つ上記エアー区画室には、該洋上構造物の波により生じる動揺の方向に沿って下端側の開放された２つの室を設けて、上記洋上構造物の動揺により上記各室内で水面の位置が変化するときに該各室の頂部より出入りする空気を用いてタービンを回して発電を行うことができるようにし、更に、上記動揺増幅区画室には、底壁を設けて内部に動揺増幅用の流体を貯留すると共に、動揺増幅区画室の該洋上構造物の波により生じる動揺の方向の中央部に、底壁との間隔を調整できるようにした仕切壁を設けて、上記洋上構造物が波により傾くと、上記仕切壁と底壁との間の隙間を通して上記動揺増幅用の流体が上記仕切壁で仕切られた２つの室の間で移動するようにすることで、洋上構造物の波による動揺を増幅することにより、上記エアー区画室における各室でのエアーの出入する量を増幅して発電量を増大させるようにする手法が提案されている（たとえば、特許文献３参照）。   In addition, an offshore structure (floating structure) is provided with a power generation air compartment and an oscillation amplification compartment, and the air compartment is located on the lower end side along the direction of the oscillation caused by the waves of the offshore structure. Two open chambers are provided, and when the position of the water surface changes in each chamber due to the shaking of the offshore structure, power is generated by turning the turbine using air that enters and exits from the top of each chamber. Further, in the above-mentioned vibration amplification compartment, a bottom wall is provided to store the fluid for vibration amplification inside, and the central portion in the direction of the vibration generated by the wave of the offshore structure in the vibration amplification compartment Provided with a partition wall capable of adjusting the distance from the bottom wall, and when the offshore structure is tilted by waves, the vibration amplification fluid flows through the gap between the partition wall and the bottom wall. Move between two rooms separated by walls Thus, a method has been proposed in which the amount of air generated in each chamber of the air compartment is increased and the amount of power generated is increased by amplifying the vibration caused by the waves of the offshore structure. (For example, refer to Patent Document 3).

更に、海洋浮上構造物（浮体構造物）の内部の密閉空間の下部に液体を貯留すると共に、該密閉空間の上部に海洋浮上構造物の波による交互の傾きの方向に沿って下端の開放された２つの空気ピストン室を設けて、上記海洋浮上構造物が波により動揺する際に、上記密閉空間内で液体が傾斜した側へ流れることで、傾斜した側の空気ピストン室の空気が圧縮される一方、傾斜した側と反対側の空気ピストン室が減圧されることを利用して、この圧力差が生じる２つの空気ピストン室の間の空気の流れを利用してタービンを一方向に回転させて発電を行う手法も提案されている（たとえば、特許文献４参照）。   Furthermore, the liquid is stored in the lower part of the sealed space inside the ocean floating structure (floating structure), and the lower end is opened along the direction of alternate inclination by the waves of the ocean floating structure in the upper part of the sealed space. The two air piston chambers are provided, and when the ocean floating structure is shaken by the waves, the liquid flows in the sealed space to the inclined side, so that the air in the inclined side air piston chamber is compressed. On the other hand, by utilizing the fact that the air piston chamber on the opposite side to the inclined side is depressurized, the turbine is rotated in one direction using the air flow between the two air piston chambers where this pressure difference occurs. A method of generating electricity has also been proposed (see, for example, Patent Document 4).

特開昭５２−５９２４１号公報JP 52-59241 A 特開昭５２−５９２４０号公報JP 52-59240 A 特開昭５３−１４３８４５号公報JP-A-53-143845 特開２００１−１９３６２６号公報JP 2001-193626 A

ところが、上記特許文献１、２、３、４に示された浮体構造物の波による動揺を利用する発電装置では、該浮体構造物の動揺をばねや振り子による重錘の揺動の力に変換し、その力で空気を圧縮して空気タービンを駆動することで発電するようにしたり、区画された複数の室を設けて、該複数の室同士の間で移動する空気により空気タービンを駆動して発電を行うようにしてあるため、発電装置が大掛かりな形態とならざるを得ないというのが実状である。   However, in the power generation device using the fluctuation of the floating structure shown in Patent Documents 1, 2, 3, and 4 described above, the fluctuation of the floating structure is converted into the force of swinging the weight by a spring or pendulum. The power is compressed by driving the air turbine by compressing the air, or a plurality of partitioned chambers are provided, and the air turbine is driven by the air moving between the plurality of chambers. In fact, the power generation device must be in a large form because it generates electricity.

しかも、上記各特許文献１、２、３、４に示されたものでは、浮体構造物における動揺する方向の中間部に、タービン等の発電を行うための機構が設けてあることから、船体中央部に積荷用の区画や機関の設置区画が設けてある船舶にそのまま適用することは困難である。   In addition, in each of the above-mentioned Patent Documents 1, 2, 3, and 4, a mechanism for generating power such as a turbine is provided in the middle part of the floating structure in the swaying direction. It is difficult to apply as it is to a ship in which a section for loading and an installation section for an engine are provided in the section.

したがって、従来、船舶の船体に生じるローリングやピッチングの動揺を有効に活用して発電を行う手法は特に提案されていないというのが実状である。   Therefore, the actual situation is that no method has been proposed for generating power by effectively utilizing the rolling and pitching fluctuations that occur in the hull of a ship.

そこで、本発明は、船舶の船体に生じるローリングやピッチングによる動揺時に発電を実施させることができる船舶の動揺による発電装置を提供しようとするものである。   Therefore, the present invention intends to provide a power generation apparatus based on the shaking of a ship that can generate power when the rolling or pitching causes the ship's hull.

本発明は、上記課題を解決するために、請求項１に対応して、船体のビルジ部に、船体に生じるローリングの揺動軸を中心とするロール方向に円弧状に延びて船底部と喫水下の船側部を連通させる複数の管路を、船首尾方向の前部から後部に間隔を隔てて設け、且つ該各管路に、該各管路内に生じる船底側から船側側へ向かう水の流れと、船側側から船底側へ向かう水の流れにより駆動されて発電が行われる水力タービン発電機を取り付けてなる構成とする。 In order to solve the above-mentioned problems, the present invention, corresponding to claim 1 , extends in the arc direction in the roll direction around the rocking axis of the rolling generated in the hull at the bilge portion of the hull, and the bottom of the ship and the draft. a plurality of conduits for communicating the ship's side portion of the lower, provided at a distance from the front of the stern direction in the rear, and the each line, extending from the ship's bottom side caused respective conduit to hull side water And a hydro turbine generator that is driven by the flow of water from the ship side to the ship bottom side to generate power.

又、請求項２に対応して、船体の船首尾部のいずれか一方又は双方に、船体に生じるピッチングの揺動軸を中心とするピッチ方向に延びて船首寄りの船底部と船首前面部、又は、船尾寄りの船底部と船尾後面部を連通させる管路を設けると共に、該管路の両端の開口部に開閉可能な蓋を備え、更に、上記管路に水力タービン発電機を取り付けてなる構成とする。   Further, in accordance with claim 2, either or both of the bow tail portion of the hull, extending in the pitch direction around the pivoting axis of pitching generated in the hull, and a ship bottom portion and a bow front portion near the bow, or A structure in which a pipe line that communicates the bottom of the stern and the rear surface of the stern is provided, lids that can be opened and closed at both ends of the pipe line, and a hydro turbine generator is attached to the pipe line And

本発明の船舶の動揺による発電装置によれば、以下のような優れた効果を発揮する。
（１）船体のビルジ部に、船体に生じるローリングの揺動軸を中心とするロール方向に円弧状に延びて船底部と喫水下の船側部を連通させる複数の管路を、船首尾方向の前部から後部に間隔を隔てて設け、且つ該各管路に、該各管路内に生じる船底側から船側側へ向かう水の流れと、船側側から船底側へ向かう水の流れにより駆動されて発電が行われる水力タービン発電機を取り付けてなる構成としてあるので、船舶が停泊あるいは航行している際に船体に生じるローリングにより、相対的に上記管路内に水の流れを発生させ、この管路内の水の流れにより水力タービン発電機を駆動して発電を実施させることができる。
（２）更に、上記船体にローリングによる動揺が生じる際、上記管路内に生じる水の流れに上記水力タービン発電機を駆動するための抵抗を生じさせることで、上記船体のローリングによる動揺に対してダンピングとして寄与することができ、上記船体に生じるローリングによる動揺の運動エネルギーを電気エネルギーに変換して消費させることができるため、航行中あるいは停泊中の船体のローリングに対する減揺の効果を得ることが可能になる。
（３）しかも、上記管路及び水力タービン発電機は、船体のビルジ部の設計変更や改造により設けることができるため、上記（１）の構成を有する船舶の動揺による発電装置を、船体の中央部の積荷用の区画や機関の設置区画に影響を与えることなく容易に船舶に適用することができる。
（４）船体の船首尾部のいずれか一方又は双方に、船体に生じるピッチングの揺動軸を中心とするピッチ方向に延びて船首寄りの船底部と船首前面部、又は、船尾寄りの船底部と船尾後面部を連通させる管路を設けると共に、該管路の両端の開口部に開閉可能な蓋を備え、更に、上記管路に水力タービン発電機を取り付けてなる構成としてあるので、管路の蓋を開操作することで、船舶が停泊している際に船体に生じるピッチングにより、相対的に上記管路内に水の流れを発生させ、この管路内の水の流れにより水力タービン発電機を駆動して発電を実施させることができる。
（５）更に、上記船体にピッチングによる動揺が生じる際、上記管路内に生じる水の流れに上記水力タービン発電機を駆動するための抵抗を生じさせることで、上記船体のピッチングによる動揺に対してダンピングとして寄与することができ、上記船体に生じるピッチングによる動揺の運動エネルギーを電気エネルギーに変換して消費させることができるため、停泊中の船体のピッチングに対する減揺の効果を得ることが可能になる。
（６）しかも、上記管路及び水力タービン発電機は、船体の船首尾部の設計変更や改造により設けることができるため、上記（４）の構成を有する船舶の動揺による発電装置を、船体の中央部の積荷用の区画や機関の設置区画に影響を与えることなく容易に船舶に適用することができる。
According to the power generation device for ship motion of the present invention, the following excellent effects are exhibited.
(1) the bilge of the hull, a plurality of conduits for communicating the ship's side portion of the lower vessel bottom portion and draft extends in the roll direction about the pivot shaft of the rolling occurring in the hull in an arc shape, the stern direction provided from the front at a distance to the rear, and the each conduit, the flow of water toward the hull side from the ship bottom side caused respective conduit, driven by the flow of water directed from the hull side to the ship's bottom side Since a hydro turbine generator that generates electricity is attached, the water flow is relatively generated in the pipeline by rolling that occurs in the hull when the ship is anchored or sailing. The hydro turbine generator can be driven by the flow of water in the pipeline to generate power.
(2) Furthermore, when rolling motion occurs in the hull, a resistance for driving the hydro turbine generator is generated in the flow of water generated in the pipeline, thereby preventing the rolling motion of the boat body. It is possible to contribute to damping and to convert the kinetic energy of rolling caused by rolling in the above hull into electric energy and consume it, thus obtaining the effect of reducing the rolling of the hull while sailing or anchored. Is possible.
(3) In addition, since the pipeline and the hydro turbine generator can be provided by design change or modification of the bilge part of the hull, the power generation device by the shaking of the ship having the configuration of (1) is provided at the center of the hull. It can be easily applied to a ship without affecting the section for loading cargo and the installation section of the engine.
(4) Either one or both of the fore and aft parts of the hull, extending in the pitch direction around the pivoting axis of pitching generated in the hull, and the ship bottom part near the bow and the bow front part, or the ship bottom part near the stern A pipe for communicating the stern rear surface portion is provided, lids that can be opened and closed are provided at openings at both ends of the pipe, and a hydro turbine generator is attached to the pipe. By opening the lid, the water flow is relatively generated in the pipeline by the pitching generated in the hull when the ship is anchored, and the hydro turbine generator is generated by the water flow in the pipeline. Can be driven to generate power.
(5) Furthermore, when the hull is shaken due to pitching, a resistance for driving the hydro turbine generator is generated in the flow of water generated in the pipeline to prevent the hull from pitching. It is possible to contribute to damping and to convert the kinetic energy of pitching generated in the above-mentioned hull into electric energy and consume it, so it is possible to obtain the effect of reducing the pitching of the hull while anchored Become.
(6) In addition, since the pipe and the hydro turbine generator can be provided by design change or modification of the bow tail of the hull, the power generation device by the movement of the ship having the configuration of (4) is provided at the center of the hull. It can be easily applied to a ship without affecting the section for loading cargo and the installation section of the engine.

本発明の船舶の動揺による発電装置の実施の一形態として、船体に生じるローリングによる動揺で発電を行う場合の適用例を示す概略切断正面図である。It is a general | schematic cutting | disconnection front view which shows the example of application in the case of generating electric power by the rocking | fluctuation by rolling which arises in a hull as one Embodiment of the electric power generating apparatus by the rocking | fluctuation of the ship of this invention. 図１の動揺による発電装置を装備した船舶の船体を示す概略側面図である。It is a schematic side view which shows the hull of the ship equipped with the electric power generating apparatus by the shaking of FIG. 本発明の実施の他の形態として、船体に生じるピッチングによる動揺で発電を行う場合の適用例を示す概略切断側面図である。It is a general | schematic cutting side view which shows the example of application in the case of producing electric power by the fluctuation | variation by pitching which arises in a hull as another form of implementation of this invention.

以下、本発明を実施するための形態を図面を参照して説明する。   Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

図１及び図２は本発明の船舶の動揺による発電装置の実施の一形態として、船舶の船体に生じるローリングによる動揺時に発電を行う場合の適用例を示すもので、以下のようにしてある。   FIG. 1 and FIG. 2 show an application example in the case where power generation is performed at the time of rocking caused by rolling generated in a ship hull as an embodiment of a power generating device by shaking of a ship according to the present invention.

すなわち、船舶の船体１の左右のビルジ部２に、該船体１に生じるローリングの揺動軸Ｏｒと直交する平面内で該ローリングの揺動軸Ｏｒを中心とするロール方向に延びて船底部と喫水下の船側部とを連通させる管路３を、船首尾方向に所要間隔で複数設ける。   That is, the left and right bilge parts 2 of the hull 1 of the ship extend in the roll direction around the rocking axis Or of the rolling in a plane perpendicular to the rocking axis Or of the rolling generated in the hull 1 and the bottom of the ship. A plurality of pipelines 3 that communicate with the side of the ship under the draft are provided at a necessary interval in the bow-stern direction.

更に、水力タービン発電機として、たとえば、タービン前後の水の圧力差からエネルギーを取り出すタイプであって、水位差が小さいが流量が大きい場合に高出力を得ることができる形式のプロペラ式の水力タービン発電機４の水力タービン部５を、上記各管路３内の途中位置にそれぞれ設けると共に、該各管路３の外部における上記各水力タービン部５の設置個所の近傍位置に、該各水力タービン部５の出力により駆動される上記水力タービン発電機４の発電機本体６をそれぞれ設けた構成とする。   Furthermore, as a hydro turbine generator, for example, a type that takes out energy from a pressure difference between water before and after the turbine, and is a propeller type hydro turbine of a type that can obtain high output when the water level difference is small but the flow rate is large. The hydro turbine section 5 of the generator 4 is provided at a midway position in each of the pipelines 3, and the hydro turbines are disposed at positions near the installation locations of the hydro turbine sections 5 outside the pipelines 3. The generator main body 6 of the hydraulic turbine generator 4 driven by the output of the unit 5 is provided.

なお、上記船体１の左右のビルジ部２に設ける各管路３は、たとえば、二重船殻構造としてある船体１のビルジ部２における内殻と外殻との間に図示しないタンクが形成されている場合は、該図示しないタンクを貫通する配置で設ける等、船体構造における主要な構造材を避ける位置に設けるようにすればよい。   The pipes 3 provided on the left and right bilge portions 2 of the hull 1 are formed with, for example, a tank (not shown) between the inner shell and the outer shell of the bilge portion 2 of the hull 1 having a double hull structure. In such a case, it may be provided at a position that avoids the main structural material in the hull structure, such as by providing the tank through a tank (not shown).

なお、上記図１及び図２では、図示する便宜上、船体１の上部構造や内部構造、推進装置や舵の記載は省略してある（後述する図３も同様）。   In FIGS. 1 and 2, for convenience of illustration, descriptions of the upper structure and internal structure of the hull 1, the propulsion device, and the rudder are omitted (the same applies to FIG. 3 described later).

以上の構成としてある本発明の船舶の動揺による発電装置を装備した船舶が停泊又は航行しているときに、波の影響等により船体１にローリングが生じると、上記船体１におけるローリングの揺動軸Ｏｒを中心とするロール方向に設けてある上記各管路３が、水面下にて上記ローリングの揺動軸Ｏｒを中心とする円周方向に往復移動するようになるため、該各管路３内に、船底側より船側側へ向かう水の流れと、船側側より船底側に向かう水の流れが交互に発生するようになる。   When the ship equipped with the power generation device by the shaking of the ship of the present invention having the above structure is anchored or navigating, if rolling occurs in the hull 1 due to the influence of waves or the like, the rocking axis of the rolling in the hull 1 described above Since each of the pipes 3 provided in the roll direction centering on Or reciprocates in the circumferential direction around the rocking axis Or of the rolling below the water surface, each of the pipes 3 The water flow from the ship bottom side toward the ship side and the water flow from the ship side toward the ship bottom are alternately generated.

したがって、上記各管路３内で生じる水の流れにより、該各管路３内にそれぞれ設けてある各水力タービン発電機４の各水力タービン部５が駆動されるようになることから、該各水力タービン部５の出力により、対応する水力タービン発電機４の発電機本体６の運転が行われて発電が行われるようになる。   Therefore, each water turbine section 5 of each hydro turbine generator 4 provided in each pipe 3 is driven by the flow of water generated in each pipe 3, The generator main body 6 of the corresponding hydro turbine generator 4 is operated by the output of the hydraulic turbine unit 5 to generate electric power.

更に、図２に示すように、船首尾方向に所要間隔で設けてある複数の管路３のうち、船体１に生じるピッチングの揺動軸Ｏｐより離れた位置となる船体１の前部及び後部に配置されている各管路３では、船体１にピッチングが生じると、該各管路３が、水面下で上記ピッチングの揺動軸Ｏｐを中心とする円周方向に沿って上下に往復移動するようになるため、該各管路３内に、船底側より船側側へ向かう水の流れと、船側側より船底側に向かう水の流れが交互に発生するようになる。   Further, as shown in FIG. 2, the front and rear portions of the hull 1 that are located away from the pivoting axis Op of pitching generated in the hull 1 among the plurality of pipelines 3 provided at a necessary interval in the bow-stern direction. When pitching occurs in the hull 1, the pipes 3 are reciprocated up and down along the circumferential direction around the pivoting axis Op of the pitching below the water surface. Therefore, a flow of water from the ship bottom side toward the ship side and a flow of water from the ship side toward the ship bottom side are alternately generated in each pipeline 3.

したがって、上記船体１にピッチングが生じる際にも、上記船体１のピッチングの揺動軸Ｏｐより離れた各管路３内で生じる水の流れにより、該各管路３内にそれぞれ設けてある各水力タービン発電機４の各水力タービン部５が駆動され、該各水力タービン部５の出力により対応する水力タービン発電機４の発電機本体６の運転が行われて発電が行われるようになる。   Accordingly, even when pitching occurs in the hull 1, each of the pipes 3 provided in each pipe 3 is caused by the flow of water generated in each pipe 3 separated from the pitching swing axis Op of the hull 1. Each hydro turbine section 5 of the hydro turbine generator 4 is driven, and the generator main body 6 of the corresponding hydro turbine generator 4 is operated by the output of each hydro turbine section 5 to generate power.

上記のようにして船体１がローリングする際、及び、ピッチングする際に各管路３ごとに設けてある各水力タービン発電機４で発電された電力は、図示しない船内の電力系統に給電するか、又は、該船内の電力系統に設けてあるバッテリーへ給電するようにすればよい。   When the hull 1 rolls and pitches as described above, is the power generated by each hydro turbine generator 4 provided for each pipeline 3 supplied to an in-boat power system (not shown)? Alternatively, power may be supplied to a battery provided in the power system in the ship.

このように、本発明の船舶の動揺による発電装置によれば、船舶が停泊あるいは航行している際に船体１に生じるローリングやピッチングの動揺を有効に活用して発電を行うことができる。   As described above, according to the power generation device for ship motion according to the present invention, power can be generated by effectively utilizing the rolling and pitching motion generated in the hull 1 when the ship is anchored or sailing.

更に、上記船体１にローリングやピッチングの動揺が生じる際、上記各管路３内に生じる水の流れに上記各水力タービン発電機４の水力タービン部５を駆動するための抵抗を生じさせることで、上記船体１の動揺に対してダンピングとして寄与することができる、すなわち、上記船体１に生じるローリングやピッチングの動揺による運動エネルギーを、上記各管路３に付設してある各水力タービン発電機４で電気エネルギーに変換することで、上記船体１の動揺による運動エネルギーを消費させることができるため、航行中あるいは停泊中の船舶の船体１のローリングやピッチングに対する減揺の効果も得ることが可能になる。   Further, when rolling or pitching sway occurs in the hull 1, a resistance for driving the hydro turbine section 5 of each hydro turbine generator 4 is generated in the flow of water generated in each pipeline 3. Each hydro turbine generator 4 attached to each pipeline 3 can contribute to damping of the hull 1 as damping, that is, kinetic energy generated by rolling or pitching generated in the hull 1. By converting into electrical energy, it is possible to consume kinetic energy due to the shaking of the hull 1, so that it is also possible to obtain the effect of reducing the rolling and pitching of the hull 1 of a vessel that is sailing or anchored. Become.

しかも、本発明の船舶の動揺による発電装置は、船体１のビルジ部２の設計変更や改造により設けることができるため、船体１の中央部の積荷用の区画や機関の設置区画に影響を与えることなく容易に船舶に適用することができる。   In addition, since the power generation device by the movement of the ship according to the present invention can be provided by a design change or modification of the bilge part 2 of the hull 1, it affects the loading section and the engine installation section of the center part of the hull 1. And can be easily applied to a ship.

次に、図３は本発明の実施の他の形態として、船舶の船体に生じるピッチングによる動揺で発電を行う場合の適用例を示すもので、以下のようにしてある。   Next, FIG. 3 shows an application example in the case where power generation is performed by shaking caused by pitching generated in the hull of a ship as another embodiment of the present invention.

すなわち、船舶の船体１の船首部７に、該船体１に生じるピッチングの揺動軸Ｏｐを中心とするピッチ方向に延びて船首寄りの船底部と喫水下の船首前面部の所要個所とを連通させる管路８を、船幅方向に単数又は複数設ける。   That is, the ship's hull 1 communicates with the bow 7 of the ship's hull 1 in the pitch direction centered on the pitching rocking axis Op generated in the hull 1 and the required part of the front of the bow under the draft. One or a plurality of pipelines 8 are provided in the ship width direction.

上記管路８における船首前面側の開口部と船底側の開口部には、図示しない開閉機構により開閉可能とした蓋９をそれぞれ設ける。これにより、船舶の航行時には、図３に二点鎖線で示すように、上記管路８の船首前面側と船底側の各開口部をそれぞれ対応する蓋９により閉塞させることで、上記管路８内に船首前面側の開口部から船底側の開口部へ向かう一方向の流れが常に生じる虞を防止できるようにしてある。   A lid 9 that can be opened and closed by an opening / closing mechanism (not shown) is provided at the opening on the front side of the bow and the opening on the bottom side of the pipe 8. As a result, during navigation of the ship, as shown by a two-dot chain line in FIG. 3, the openings on the bow front side and the ship bottom side of the pipe line 8 are closed by the corresponding lids 9, respectively. It is possible to prevent the possibility that a unidirectional flow from the opening on the front side of the bow toward the opening on the bottom of the ship will always occur.

又、上記船体１の船尾部１０に、該船体１に生じるピッチングの揺動軸Ｏｐを中心とするピッチ方向に延びて船尾寄りの船底部と喫水下の船尾後面部の所要個所とを連通させる管路１１を、船幅方向に単数又は複数設ける。   Further, the stern portion 10 of the hull 1 extends in the pitch direction centered on the pivoting axis Op of the pitching generated in the hull 1 and communicates the bottom of the stern and the required portion of the stern rear surface under draft. One or more pipe lines 11 are provided in the ship width direction.

上記管路１１における船尾後面側の開口部と船底側の開口部には、図示しない開閉機構により開閉可能とした蓋１２をそれぞれ設ける。これにより、船舶の航行時には、図３に二点鎖線で示すように、上記管路１１の船尾後面側と船底側の各開口部をそれぞれ対応する蓋１２により閉塞させることで、上記管路１１内に船底側の開口部から船尾後面側の開口部へ向かう一方向の流れが常に生じる虞を防止できるようにしてある。   A lid 12 that can be opened and closed by an opening / closing mechanism (not shown) is provided in the opening on the stern rear surface side and the opening on the bottom side of the pipe 11. As a result, during navigation of the ship, as shown by a two-dot chain line in FIG. 3, the openings on the stern rear surface side and the bottom side of the pipe line 11 are closed by the corresponding lids 12, respectively. It is possible to prevent the possibility that a unidirectional flow from the opening on the bottom side to the opening on the stern rear side will always occur.

更に、上記各管路８及び１１における蓋９及び１２の開閉動作と干渉しない途中位置に、図１及び図２の実施の形態で示したと同様の水力タービン発電機４の水力タービン部５をそれぞれ設けると共に、該各管路８及び１１の外部における上記各水力タービン部５の設置個所の近傍位置に、該各水力タービン部５の出力により駆動される上記水力タービン発電機４の発電機本体６をそれぞれ設けた構成とする。   Further, the hydro turbine section 5 of the hydro turbine generator 4 similar to that shown in the embodiment of FIGS. 1 and 2 is provided at a position not interfering with the opening / closing operation of the lids 9 and 12 in the pipes 8 and 11, respectively. The generator main body 6 of the hydro turbine generator 4 driven by the output of the hydro turbine units 5 is provided near the installation location of the hydro turbine units 5 outside the pipelines 8 and 11. Are provided.

以上の構成としてある本実施の形態の船舶の動揺による発電装置を装備した船舶が停泊しているときには、上記船首部７の管路８の各開口部の蓋９、及び、船尾部１０の管路１１の各開口部の蓋１２は、図３に実線で示すように、それぞれ対応する図示しない開閉機構により開操作しておく。   When the ship equipped with the power generation device by the movement of the ship according to the present embodiment as described above is anchored, the lid 9 of each opening of the pipe line 8 of the bow part 7 and the pipe of the stern part 10 The lid 12 of each opening of the path 11 is opened by a corresponding opening / closing mechanism (not shown) as indicated by a solid line in FIG.

この状態で、波の影響等により船体１にピッチングが生じると、該船体１の船首部７と船尾部１０に設けてある各管路８と１１が、水面下で上記船体１におけるピッチングの揺動軸Ｏｐを中心とする円周方向に往復移動するようになる。このため、上記船首部７の管路８内では、船底側より船首前面側へ向かう水の流れと、船首前面側より船底側に向かう水の流れが交互に発生するようになると共に、上記船尾部１０の管路１１では、船尾後面側より船底側へ向かう水の流れと、船底側より船尾後面側へ向かう水の流れが交互に発生するようになる。   In this state, when pitching occurs in the hull 1 due to the influence of waves or the like, the pipes 8 and 11 provided in the bow portion 7 and the stern portion 10 of the hull 1 are pitched in the hull 1 below the water surface. It moves reciprocally in the circumferential direction around the dynamic axis Op. For this reason, in the pipe line 8 of the bow part 7, the flow of water from the ship bottom side to the bow front side and the flow of water from the bow front side to the ship bottom side are alternately generated, and the stern In the pipe line 11 of the section 10, the flow of water from the stern rear side toward the stern bottom and the flow of water from the bottom side toward the stern rear side alternately occur.

したがって、上記船首部７の管路８及び船尾部１０の管路１１内で生じる水の流れにより、該各管路８，１１内にそれぞれ設けてある各水力タービン発電機４の各水力タービン部５が駆動されるようになることから、該各水力タービン部５の出力により、対応する水力タービン発電機４の発電機本体６の運転が行われて発電が行われるようになる。   Accordingly, each hydro turbine section of each hydro turbine generator 4 provided in each of the pipes 8 and 11 by the flow of water generated in the pipe line 8 of the bow portion 7 and the pipe line 11 of the stern portion 10. Therefore, the generator main body 6 of the corresponding hydro turbine generator 4 is operated by the output of each of the hydro turbine units 5 to generate electric power.

上記のようにして船舶の停泊時に船体１がピッチングする際に各管路８，１１に設けてある個別の各水力タービン発電機４で発電された電力は、図示しない船内の電力系統に給電するか、又は、該船内の電力系統に設けてあるバッテリーへ給電するようにすればよい。   As described above, when the hull 1 pitches when the ship is anchored, the power generated by the individual hydro turbine generators 4 provided in the pipelines 8 and 11 is supplied to an in-boat power system (not shown). Alternatively, power may be supplied to a battery provided in the power system in the ship.

なお、船舶の航行時には、船体１の外側に、相対的に船首側から船尾側へ向かう水の流れが生じるため、上記船首部７の管路８及び船尾部１０の管路１１の両端の各開口部が開放されている場合は、上記船首部７の管路８では船首前面側の開口部から船底側の開口部へ向かう一方向の流れが常に生じ、又、上記船尾部１０の管路１１では船底側の開口部から船尾後面側の開口部へ向かう一方向の流れが常に生じるようになることから、船舶の推進力の一部が、上記船首部７及び船尾部１０の各管路８及び１１内にそれぞれ設けてある水力タービン発電機４の水力タービン部５の駆動に消費されるようになるが、本実施の形態では、船舶の航走時には、上記船首部７の管路８の各開口部に設けてある蓋９、及び、上記船尾部１０の管路１１の各開口部に設けてある蓋１２を、図３に二点鎖線で示すようにそれぞれ閉じることで、上記したような船舶の推進力の一部が水力タービン発電機４の水力タービン部５の駆動に消費される虞を防止できる。   During the navigation of the ship, the flow of water relatively toward the stern side from the bow side is generated on the outside of the hull 1, so that each of the both ends of the pipe line 8 of the bow part 7 and the pipe line 11 of the stern part 10 is provided. When the opening is open, a one-way flow from the opening on the front side of the bow toward the opening on the bottom side always occurs in the pipe line 8 of the bow part 7, and the pipe line of the stern part 10 11, a unidirectional flow from the opening on the bottom side toward the opening on the rear side of the stern always occurs, so that a part of the propulsive force of the ship is the pipes of the bow portion 7 and the stern portion 10. In the present embodiment, when the ship is traveling, the pipe line 8 of the bow portion 7 is consumed for driving the hydro turbine section 5 of the hydro turbine generator 4 provided in each of 8 and 11. Each of the lids 9 provided in the respective openings and the pipes 11 of the stern part 10 By closing the lids 12 provided at the mouth portions as indicated by two-dot chain lines in FIG. 3, a part of the propulsion force of the ship as described above is used to drive the hydro turbine unit 5 of the hydro turbine generator 4. The possibility of being consumed can be prevented.

このように、本実施の形態によれば、船舶が停泊している際に船体１に生じるピッチングの動揺を有効に活用して発電を行うことができる。   Thus, according to the present embodiment, it is possible to generate power by effectively utilizing the pitching fluctuation generated in the hull 1 when the ship is anchored.

更に、上記船体１にピッチングの動揺が生じる際、上記船首部７と船尾部１０の各管路８，１１内に生じる水の流れに上記各水力タービン発電機４の水力タービン部５を駆動するための抵抗を生じさせることで、上記船体１のピッチングの動揺に対してダンピングとして寄与することができる、すなわち、上記船体１に生じるピッチングの動揺による運動エネルギーを、上記船首部７と船尾部１０の各管路８，１１に付設してある各水力タービン発電機４で電気エネルギーに変換することで、上記船体１に生じるピッチングの動揺による運動エネルギーを消費させることができるため、停泊中の船舶の船体１のピッチングに対する減揺の効果も得ることが可能になる。   Further, when pitching sway occurs in the hull 1, the hydro turbine section 5 of each hydro turbine generator 4 is driven by the flow of water generated in the pipe lines 8 and 11 of the bow section 7 and the stern section 10. For this reason, it is possible to contribute to the pitching fluctuation of the hull 1 as damping, that is, the kinetic energy generated by the pitching fluctuation generated in the hull 1 is converted to the bow portion 7 and the stern portion 10. Since each of the hydro turbine generators 4 attached to each of the pipelines 8 and 11 is converted into electrical energy, kinetic energy due to pitching fluctuation generated in the hull 1 can be consumed. It is also possible to obtain a rocking effect on the pitching of the hull 1.

しかも、本実施の形態の船舶の動揺による発電装置は、船体１の船首部７や船尾部１０の設計変更や改造により設けることができるため、船体１の中央部の積荷用の区画や機関の設置区画に影響を与えることなく容易に船舶に適用することが可能となる。   In addition, since the power generation device by the movement of the ship according to the present embodiment can be provided by design change or modification of the bow part 7 or the stern part 10 of the hull 1, It can be easily applied to a ship without affecting the installation section.

なお、本発明は上記実施の形態のみに限定されるものではなく、図１及び図２の実施の形態における船体１のビルジ部２に設ける管路３は、船体１にローリングが生じるときに、船体１の左右方向へ交互に傾く動作に応じて該管路３内に船底部側と船側部側へ交互に向かう水の流れを生じさせることができるようにしてあれば、船底部と船側部における開口部の位置は適宜変更してもよい。又、管路３の開口部寄りとなる両端部と、水力タービン発電機４の水力タービン部５が設けてある中間部とで流路断面積が変化していてもよい。更に、船体形状や船体構造に応じて、船首尾方向に設ける数や配置を適宜変更してもよい。   In addition, this invention is not limited only to the said embodiment, The pipe line 3 provided in the bilge part 2 of the hull 1 in embodiment of FIG.1 and FIG.2 is when rolling occurs in the hull 1. As long as it is possible to cause the flow of water to alternately flow toward the bottom side and the side of the ship in the pipeline 3 in accordance with the operation of alternately tilting the hull 1 in the left-right direction, the ship bottom and the side of the ship The position of the opening in may be changed as appropriate. Further, the flow passage cross-sectional area may be changed between both end portions close to the opening portion of the pipe line 3 and an intermediate portion where the hydro turbine portion 5 of the hydro turbine generator 4 is provided. Furthermore, the number and arrangement provided in the bow-stern direction may be appropriately changed according to the hull shape and hull structure.

図３の実施の形態における船体１の船首部７に設ける管路８及び船尾部１０に設ける管路１１は、船体１にピッチングが生じるときに、船体１の船首尾方向へ交互に傾く動作に応じて各管路８及び１１内に船底部側と船首部前面側及び船底部側と船尾部後面側へ交互に向かう水の流れを生じさせることができるようにしてあれば、上記管路８の船底部と船首部前面における開口部の位置、及び、上記管路１１の船底部と船尾部後面における開口部の位置は適宜変更してもよい。又、上記各管路８，１１の開口部寄りとなる両端部と、水力タービン発電機４の水力タービン部５が設けてある中間部とで流路断面積が変化していてもよい。更に、船体形状や船体構造に応じて、船幅方向に設ける数や配置を適宜変更してもよく、更には、船首側と船尾側のいずれか一方を省略した構成としてもよい。又、管路の断面を長方形とし、管路内に複数のタービン部を設けてもよい。   In the embodiment of FIG. 3, the pipe line 8 provided on the bow part 7 of the hull 1 and the pipe line 11 provided on the stern part 10 are alternately tilted in the bow-stern direction of the hull 1 when pitching occurs in the hull 1. Accordingly, if it is possible to cause a flow of water alternately flowing from the bottom side to the bow front side and from the bottom side to the rear side of the stern part in each of the pipelines 8 and 11, the above-described pipeline 8 The positions of the openings on the ship bottom and front of the bow and the positions of the openings on the ship bottom and stern rear of the pipe 11 may be changed as appropriate. Further, the flow path cross-sectional area may be changed between both end portions near the opening portions of the pipes 8 and 11 and the intermediate portion where the hydro turbine portion 5 of the hydro turbine generator 4 is provided. Furthermore, the number and arrangement provided in the ship width direction may be appropriately changed according to the hull shape and hull structure, and further, either the bow side or the stern side may be omitted. Moreover, the cross section of a pipe line may be made into a rectangle and a some turbine part may be provided in a pipe line.

図３の実施の形態における各管路８，１１の両端の各開口部に設ける蓋９，１２は、船舶の停泊時には管路８，１１の各開口部を開放でき、一方、船舶の航行時には管路８，１１の両端の各開口部を閉止させることができるようにしてあれば、どのような形式の蓋を採用してもよい。   The lids 9 and 12 provided at the openings at both ends of the pipes 8 and 11 in the embodiment of FIG. 3 can open the openings of the pipes 8 and 11 when the ship is anchored, while the ships are sailing. Any type of lid may be adopted as long as the openings at both ends of the pipes 8 and 11 can be closed.

図１及び図２の実施の形態の構成と、図３の実施の形態の構成を、一隻の船舶の船体１に共に適用するようにしてもよい。又、図１及び図２の実施形態を船舶以外の浮体構造物に適用してもよい。   The configuration of the embodiment of FIGS. 1 and 2 and the configuration of the embodiment of FIG. 3 may be applied to the hull 1 of one ship. Moreover, you may apply embodiment of FIG.1 and FIG.2 to floating body structures other than a ship.

その他本発明の要旨を逸脱しない範囲内で種々変更を加え得ることは勿論である。   Of course, various modifications can be made without departing from the scope of the present invention.

１ 船体
２ ビルジ部
３ 管路
４ 水力タービン発電機
７ 船首部
８ 管路
９ 蓋
１０ 船尾部
１１ 管路
１２ 蓋
Ｏｒ ローリングの揺動軸
Ｏｐ ピッチングの揺動軸 DESCRIPTION OF SYMBOLS 1 Hull 2 Bilge part 3 Pipeline 4 Hydro turbine generator 7 Bow part 8 Pipeline 9 Lid 10 Stern part 11 Pipeline 12 Lid Or Rolling rocking shaft Op Pitching rocking shaft

Claims (2)

船体のビルジ部に、船体に生じるローリングの揺動軸を中心とするロール方向に円弧状に延びて船底部と喫水下の船側部を連通させる複数の管路を、船首尾方向の前部から後部に間隔を隔てて設け、且つ該各管路に、該各管路内に生じる船底側から船側側へ向かう水の流れと、船側側から船底側へ向かう水の流れにより駆動されて発電が行われる水力タービン発電機を取り付けてなる構成を有することを特徴とする船舶の動揺による発電装置。 A plurality of pipelines extending from the front in the bow-stern direction to the bilge portion of the hull, extending in an arc shape in the roll direction centering on the rocking axis of rolling generated in the hull, and communicating the ship bottom and the ship side under the draft provided at intervals in the rear, and to the respective conduit, the flow of water directed from the vessel bottom side caused respective conduit to ship side side, power generation is driven by the flow of water directed from the hull side to the ship's bottom side generator according to upset the vessel and having a formed by attaching a hydroelectric turbine generator configured to be performed. 船体の船首尾部のいずれか一方又は双方に、船体に生じるピッチングの揺動軸を中心とするピッチ方向に延びて船首寄りの船底部と船首前面部、又は、船尾寄りの船底部と船尾後面部を連通させる管路を設けると共に、該管路の両端の開口部に開閉可能な蓋を備え、更に、上記管路に水力タービン発電機を取り付けてなる構成を有することを特徴とする船舶の動揺による発電装置。   Extends in the pitch direction around the pivoting axis of pitching generated in the hull to one or both of the stern of the hull, and the bottom and front of the bow, or the bottom and stern of the stern. A vessel that has a structure in which a hydraulic turbine generator is attached to the pipeline, and a lid that can be opened and closed is provided at both ends of the pipeline. By power generator.
JP2010021677A 2010-02-02 2010-02-02 Power generation equipment by ship sway Expired - Fee Related JP5462647B2 (en)

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JPS6188069U (en) * 1984-11-15 1986-06-09
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