JPS61261676A - Wave power generating equipment - Google Patents
Wave power generating equipmentInfo
- Publication number
- JPS61261676A JPS61261676A JP60103452A JP10345285A JPS61261676A JP S61261676 A JPS61261676 A JP S61261676A JP 60103452 A JP60103452 A JP 60103452A JP 10345285 A JP10345285 A JP 10345285A JP S61261676 A JPS61261676 A JP S61261676A
- Authority
- JP
- Japan
- Prior art keywords
- seawater
- pump
- pressure
- pendulum plate
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、波力を利用して発電を行なう波力発電装置
に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a wave power generation device that generates power using wave power.
従来、波力を利用した発電装置では、波力により駆動さ
れる油圧ポンプを設け、ポンプからの作動油の圧力でタ
ービンを回転させ、これにより発電機を駆動して電力を
得る構成になっている。Conventionally, power generation devices that utilize wave power are equipped with a hydraulic pump that is driven by wave power, and the pressure of hydraulic oil from the pump rotates a turbine, which drives a generator and generates electricity. There is.
しかし、前述のような油圧式の発電装置では、油圧作動
油および油圧配管、とくに戻シ配管が必要となり、ラン
ニングコストが増大するとともに、油漏れ公害を招きや
すく、０リング、オイルシール等のシール装置も高価に
なる欠点がある。However, the above-mentioned hydraulic power generation equipment requires hydraulic oil and hydraulic piping, especially return piping, which increases running costs and easily causes oil leakage and pollution, and seals such as O-rings and oil seals. The device also has the disadvantage of being expensive.
そこで、この発明においては、無尽蔵の海水を用いるこ
とによって前述の欠点を解消し、波力により海水圧を得
るとともに、この海水圧により発電機を駆動させる手段
を提供することを技術的課題とする。Therefore, the technical object of this invention is to eliminate the above-mentioned drawbacks by using inexhaustible seawater, obtain seawater pressure by wave power, and provide a means for driving a generator with this seawater pressure. .
この発明の波力発電装置は、水中に設けられた軸に一体
に支持され波力により揺動する振子板と、水中に設置さ
れ前記軸に連結されるとともに前記振子板の揺動に応じ
て圧力水を送水するポンプと、前記ポンプからの圧力水
により駆動されるモータと、前記モータの回転軸に連結
された発電機とを備えたことを特徴とするものである。The wave power generation device of the present invention includes a pendulum plate that is integrally supported on a shaft provided in the water and swings due to wave force, and a pendulum board that is installed in the water and is connected to the shaft and that swings in response to the swing of the pendulum board. The apparatus is characterized in that it includes a pump that sends pressurized water, a motor that is driven by the pressurized water from the pump, and a generator that is connected to the rotating shaft of the motor.
したがって、前述のように構成されたこの発明の波力発
電装置は、波力により振子板が揺動すると、この軸に連
結されたポンプよシ海水の圧力水が送水され、該圧力水
によりモータが駆動されるとともに、モータの回転軸に
連結された発電機が駆動し、発電電力が得られる。Therefore, in the wave power generation device of the present invention configured as described above, when the pendulum plate swings due to wave force, pressure water of seawater is sent through the pump connected to this shaft, and the pressure water drives the motor. At the same time, a generator connected to the rotating shaft of the motor is driven, and generated power is obtained.
２１． 〔実施伊］〕
：゛、 つぎに、この発明を、その１実施例を示し
た図面とともに詳細に説明する。21. [Implementation date]] :゛Next, this invention will be explained in detail with reference to drawings showing one embodiment thereof.
図面において、（１）は海中に位置し海底に設置された
基台（２）に回動自在に支持された水平な軸、（３）は
軸（１）に一体に支持され上端が海面上よりいくらか出
た海水より比重が小さい中空の振子板であり、波力によ
り振子板（３）が軸（１）を中心に軸（１）とともに揺
動する。In the drawing, (1) is a horizontal shaft that is rotatably supported by a base (2) located underwater and installed on the seabed, and (3) is a horizontal shaft that is integrally supported by the shaft (1) and whose upper end is above the sea surface. The pendulum plate (3) is a hollow pendulum plate whose specific gravity is lower than that of some seawater, and the pendulum plate (3) swings around the axis (1) together with the axis (1) due to the wave force.
（４）は基台（２）に支持され軸（１）に一体に連結さ
れた２連式の海水モータであり、第２図に示すように、
両側面が塞板（５）により閉塞された円筒状のポンプ本
体（６）内に、該本体（６）に一体の仕切壁（７）と本
体（６）内に導入しだ軸（１）に軸着された作動体（８
）とにより仕切られた２つの作動室（９Ｂ） 、（９ｂ
）を形成して構成されている。なお、海水ポンプ（４）
は、ステンレス。(4) is a two-stage seawater motor supported by the base (2) and integrally connected to the shaft (1), as shown in Fig. 2.
A partition wall (7) integral with the main body (6) and a shaft (1) introduced into the main body (6) are inserted into a cylindrical pump main body (6) whose both sides are closed by closing plates (5). The operating body (8
) and two working chambers (9B) and (9b
). In addition, seawater pump (4)
is stainless steel.
硬質樹脂、セラミック等の耐食性材質によυ構成されて
いる。（１０ａ） 、（］Ｏｂ）はポンプ（４）の両作
動室（９ａ） 、（９ｂ）に形成された吸排口であり、
各吸排口（１０ａ）、（］Ｏｂ）はそれぞれ、海中に開
口されたストレーナ圓に吸入パイプ（２）および吸入側
チェツキ弁（１３ａ）。Constructed of corrosion-resistant materials such as hard resin and ceramic. (10a) and (]Ob) are suction and discharge ports formed in both working chambers (9a) and (9b) of the pump (4),
Each suction/discharge port (10a), (]Ob) has a suction pipe (2) and a suction side check valve (13a) connected to a strainer circle opened into the sea, respectively.
（１３ｂ）を介して連通されるとともに、吐出側チェツ
キ弁（１４ａ） 、 （１４ｂ）および吐出パイプ０５
を介して送水パイプＯＱに連通されておシ、この送水パ
イプｕＱが陸上に案内されている。(13b) and the discharge side check valve (14a), (14b) and the discharge pipe 05.
The water pipe uQ is connected to the water pipe OQ via the water pipe uQ, and the water pipe uQ is guided to land.
ここで、振子板（３）と海水ポンプ（４）との組立仏は
複数設けられておシ、それぞれの吐出パイプαＱが前記
送水パイプα・に連通されている。Here, a plurality of assemblies of the pendulum plate (3) and the seawater pump (4) are provided, and each discharge pipe αQ is communicated with the water supply pipe α.
そして、波力によシ振子板（３）が軸（１）とともに揺
動すると、ポンプ（４）の作動体（８）がこれと一体に
揺動し、ポンプ（４）内の両作動室（９ａ）、（９ｂ）
の一方の容積が増大し、海水がストレーナαηから吸入
パイプ０ノ、チェツキ弁（１３ａ） 、（１３ｂ）およ
び吸排口（］Ｏａ）。When the pendulum plate (3) swings together with the shaft (1) due to the wave force, the working body (8) of the pump (4) swings together with it, causing both working chambers in the pump (4) to swing together. (9a), (9b)
The volume of one side increases, and seawater flows from the strainer αη to the suction pipe 0, the check valves (13a), (13b), and the suction/discharge port (Oa).
（］ Ｏｂ）を通して室内に吸水されるとともに、両作
動室（９ａ） 、（９ｂ）の他方の容積が縮小し、室内
の海水が加圧されて吸排口（１０Ｂ） 、（１０ｂ）よ
シ吐出し、チェツキ弁（１４８） 、 （１４ｂ）およ
び吐出パイプαυ全通して送水パイプａ０に送水され、
振子板（３）の揺動に応じて両作動室（９Ｂ） 、（９
ｂ）の吸排動作が交互に行なわれ、海水の圧力水が順次
送水パイプＯＱに送水される。As water is sucked into the room through (] Ob), the volume of the other of the working chambers (9a) and (9b) is reduced, and the seawater in the room is pressurized and discharged through the suction and discharge ports (10B) and (10b). The water is sent to the water supply pipe a0 through the check valves (148) and (14b) and the discharge pipe αυ,
Both working chambers (9B), (9
The sucking and discharging operation of b) is performed alternately, and the pressurized seawater is sequentially sent to the water pipe OQ.
なお、前記海水ポンプ（４）は、振子板（３）が大波に
より±９０°以上の揺動角を有してもこれをカバーでき
る３、構造、すなわち軸（１）により作動体（８）が±
９０゜以上揺動しても吸排動作を何ら支障なく行なえる
構造になっている。The seawater pump (4) has a structure that can cover even if the pendulum plate (3) has a swing angle of ±90° or more due to large waves. ±
The structure is such that suction and evacuation operations can be performed without any problem even if the device is swung more than 90 degrees.
αηは陸上に設置された発電ユニット、（へ）はユニッ
トαη内に配設され前記送水パイプＱｆ１９に接続され
た圧力水パイプ、α場は圧力水パイプα枠の途中に設け
ら、れ、送水パイプαＱを通って送水され圧力水パイプ
０印に流入した圧力水を蓄圧する耐食圧力容器からなる
大容量アキュームレータ、（イ）は圧力水パイプ（ト）
の端部に接続され海水の圧力水により駆動する海水モー
タであり、該モータ翰からの海水はドレンパイプＱのを
通してオーバフロータンク翰に流入する。（ハ）はモー
タ（１）の回転軸に連結された発電機であり、発電機＠
からの発電電力が制御盤（ハ）に出力される。αη is a power generation unit installed on land, (f) is a pressure water pipe installed inside the unit αη and connected to the water supply pipe Qf19, α field is a pressure water pipe installed in the middle of the α frame, and water is supplied A large-capacity accumulator consisting of a corrosion-resistant pressure vessel that accumulates the pressure water that is sent through the pipe αQ and flows into the pressure water pipe marked 0. (A) is the pressure water pipe (G)
This is a seawater motor connected to the end of the motor and driven by seawater pressure, and the seawater from the motor head flows into the overflow tank head through the drain pipe Q. (C) is a generator connected to the rotating shaft of the motor (1), and the generator @
The generated power is output to the control panel (c).
（ハ）は圧力水パイプ（ト）内の海水圧を表示する圧力
ゲージ、（ホ）は圧力水パイプα匂内の海水圧を検出し
この検出信号を制御盤（至）へ出力する圧力センサ、勾
は圧力水パイプ（至）とドレンパイプ３９間の接続パイ
プ＠に介設され制御盤（至）からの制御信号により駆動
制御される流量制御弁であシ、圧力水パイプ（至）内の
異常圧力上昇が圧力センサ（ホ）で検出されると、制御
盤（ハ）からの信号により制御弁（財）が動作し、圧力
水パイプ（ト）内の高圧海水がドレン側にバイパスされ
、アキュームレータ四の圧力異常上昇およびこれに伴な
う発電機（ハ）の回転数異常上昇が抑制される。(C) is a pressure gauge that displays the seawater pressure inside the pressure water pipe (G), and (E) is a pressure sensor that detects the seawater pressure inside the pressure water pipe α and outputs this detection signal to the control panel (To). , the flow rate control valve is interposed in the connection pipe between the pressure water pipe (to) and the drain pipe 39, and is driven and controlled by the control signal from the control panel (to), and is inside the pressure water pipe (to). When an abnormal pressure rise is detected by the pressure sensor (E), the control valve (F) is activated by a signal from the control panel (C), and the high pressure seawater in the pressure water pipe (G) is bypassed to the drain side. , an abnormal increase in the pressure of the accumulator 4 and an accompanying abnormal increase in the rotation speed of the generator (c) are suppressed.
翰は制御盤（ハ）から出力された発電電力の一部を整流
する変換器、（７）は海中のストレーナ（１１の吸入口
に設けられた防虫電極であり、変換器−からの直流電流
により海水の一部を電気分解して塩素系物質を生成し、
ストレーナ０１）からパイプ＠等の管路内に入った微生
物の生体作用を減じまたは消滅させ、管路のつまり等を
防止する。The wire is a converter that rectifies a part of the generated power output from the control panel (c), and (7) is an insect-proof electrode installed at the inlet of the underwater strainer (11), and the direct current from the converter is electrolyzes a portion of seawater to produce chlorine-based substances,
It reduces or eliminates the biological effects of microorganisms that have entered a conduit such as a pipe from the strainer 01), and prevents clogging of the conduit.
したがって、前記実施例によると、波力による振子板（
３）の揺動により、海水ポンプ（４）より無尽蔵の海水
の海水圧を得ることができ、この有圧海水をアキームレ
ータＱｌに蓄圧しながら海水モータ翰に送水し、振子板
（３）の揺動周期によるリップルを低減して発電機（財
）を駆動し、発電電力を得ることができるものである。Therefore, according to the embodiment, the pendulum plate (
By the oscillation of 3), the seawater pump (4) can obtain the seawater pressure of inexhaustible seawater, and this pressurized seawater is stored in the aquimulator Ql and sent to the seawater motor holder, and the pendulum plate (3) is It is possible to reduce ripples caused by the oscillation period, drive a generator (goods), and obtain generated power.
この動作時、波高が異常増加しても、振子板（３）はそ
の軸（１）が水中下方に位置するため、大波は単に振子
板（３）上部を通り抜けることになり、振子板（３）を
破損することはなく、振子板の軸を海面上に設けた場合
に比し軸受強度の低下が可能となる。During this operation, even if the wave height increases abnormally, since the axis (1) of the pendulum plate (3) is located below the water, the large wave will simply pass through the upper part of the pendulum plate (3). ), and the bearing strength can be reduced compared to when the shaft of the pendulum plate is placed above the sea surface.
したがって、振子板（３）の共振周期は頻度の高い波成
分（短周期低波高）に同調できることになり、平均発電
量の向上が期待できる。Therefore, the resonance period of the pendulum plate (3) can be tuned to frequently occurring wave components (short period, low wave height), and an improvement in the average power generation amount can be expected.
ここで、前記海水ポンプ（４）は、全体が水没するため
、軸（１）やその他の個所から海水の少量の漏れがあっ
ても、バキューム不足やエアーの吸入といった通常の油
圧系で問題となる車体は生じず、（吐出量））（漏れ量
）をある程度満足すればＯリングやオイルシール等が不
要にな９得るものである。Here, the seawater pump (4) is entirely submerged in water, so even if a small amount of seawater leaks from the shaft (1) or other parts, it will not cause problems in the normal hydraulic system such as insufficient vacuum or air suction. However, if (discharge amount) and (leakage amount) are satisfied to a certain extent, O-rings, oil seals, etc. can be eliminated.
また、ポンプ内への微生物等の付着は、高速回転する容
積形ポンプでは効率の低下が大きいが、前記海水ポンプ
（４）では、振子板（３）より伝達される高トルク、低
回転のエネルギーによシ作動体（８）を揺動動作させる
ため、付着物の削υ落としも可能となり、前記した防虫
電極（１）における作用とあいまってポンプ（４）内へ
の微生物等の付着を減じ、高効率のポンプ動作が期待で
きるものである。In addition, the adhesion of microorganisms, etc. inside the pump greatly reduces efficiency in positive displacement pumps that rotate at high speed, but in the seawater pump (4), the high torque, low rotational energy transmitted from the pendulum plate (3) Since the cleaning actuating body (8) is operated in a swinging manner, it is possible to remove the adhering substances, and this, together with the action of the insect-proof electrode (1) described above, reduces the adhesion of microorganisms, etc. inside the pump (4). , high efficiency pump operation can be expected.
なお、１台の発電ユニットαηに対して振子板（３）と
海水ポンプ（４）との組立体を複数設ける場合、各振子
板（３）の振れ角の位相が異なるよう設置すれば、各海
水ポンプ（４）から発電ユニットαηに送水される海水
圧のリップルを低下することができ、より安定した発電
電力が得られる。In addition, when installing multiple assemblies of pendulum plates (3) and seawater pumps (4) for one power generation unit αη, if the pendulum plates (3) are installed so that the phase of the swing angle is different, each It is possible to reduce ripples in seawater pressure sent from the seawater pump (4) to the power generation unit αη, and more stable generated power can be obtained.
また、前記海水モータ翰は、現有のタービン式のものを
利用することが可能である。Furthermore, the seawater motor can be of an existing turbine type.
以上のように、この発明の波力発電装置によると、波力
による振子板（３）の揺動によシポンプ（４）より海水
等の圧力水を得、該圧力水によりモータ（１）および発
電機四を駆動して電力を得ることができ、無尽蔵の海水
を直接利用することができるため、油圧式に比べ、油圧
作動軸とその戻り配管が不要になるとともに、油圧系に
おける常識的制約、すなわち油量、油タンク容積、油中
エアーの混合防止、油漏れ防止といった制約が皆無とな
り、ランニングコストの低減が図れるものであり、さら
に、波エネルギーを取り出す振子板（３）の設置場所の
自由度が向上する効果も得られる。As described above, according to the wave power generation device of the present invention, pressurized water such as seawater is obtained from the pump (4) by swinging the pendulum plate (3) due to wave force, and the pressure water is used to drive the motor (1) and the Electric power can be obtained by driving the generator 4, and inexhaustible seawater can be used directly, so compared to hydraulic systems, there is no need for a hydraulic shaft and its return piping, and there are no common-sense restrictions on hydraulic systems. In other words, there are no restrictions such as oil amount, oil tank volume, prevention of air mixing in oil, or prevention of oil leakage, and running costs can be reduced.Furthermore, it is possible to reduce the installation location of the pendulum plate (3) that extracts wave energy. The effect of improving the degree of freedom can also be obtained.
図面はこの発明の波力発電装置の１実施例を示し、第１
図は全体の構成図、第２図は海水モータの一部切断斜視
図である。
（１）・・・軸、（３）・・・振子板、（４）・・・海
水ポンプ、翰・・・海水モータ、（ハ）・・・発電機。The drawings show one embodiment of the wave power generation device of the present invention.
The figure is an overall configuration diagram, and FIG. 2 is a partially cutaway perspective view of the seawater motor. (1)...shaft, (3)...pendulum plate, (4)...seawater pump, handrail...seawater motor, (c)...generator.
Claims (1)
揺動する振子板と、水中に設置され前記軸に連結される
とともに前記振子板の揺動に応じて圧力水を送水するポ
ンプと、前記ポンプからの圧力水により駆動されるモー
タと、前記モータの回転軸に連結された発電機とを備え
たことを特徴とする波力発電装置。(1) A pendulum plate that is integrally supported by a shaft installed in the water and swings by wave force, and a pump that is installed in the water and is connected to the shaft and sends pressurized water according to the swing of the pendulum board. A wave power generation device comprising: a motor driven by pressure water from the pump; and a generator connected to a rotating shaft of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60103452A JPS61261676A (en) | 1985-05-15 | 1985-05-15 | Wave power generating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60103452A JPS61261676A (en) | 1985-05-15 | 1985-05-15 | Wave power generating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61261676A true JPS61261676A (en) | 1986-11-19 |
Family
ID=14354415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60103452A Pending JPS61261676A (en) | 1985-05-15 | 1985-05-15 | Wave power generating equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61261676A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7131269B2 (en) | 2001-10-26 | 2006-11-07 | Aw-Energy Oy | Process and an apparatus for utilizing wave energy |
| JP2008261341A (en) * | 2005-08-12 | 2008-10-30 | Biopower Systems Pty Ltd | Device for capturing energy from fluid flow |
| KR100883756B1 (en) | 2008-03-25 | 2009-02-12 | 장경수 | Complex ocean power system combining sluice power and ocean current power |
| US7834474B2 (en) | 2005-03-23 | 2010-11-16 | Aquamarine Power Limited | Wave power energy generation apparatus |
| ES2397446A1 (en) * | 2011-08-01 | 2013-03-07 | María Ruth SÁNCHEZ LUGILDE | System of transformation of the energy of the waves of the sea. (Machine-translation by Google Translate, not legally binding) |
| CN103843237A (en) * | 2011-07-28 | 2014-06-04 | 国立大学法人冈山大学 | Dynamo |
-
1985
- 1985-05-15 JP JP60103452A patent/JPS61261676A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7131269B2 (en) | 2001-10-26 | 2006-11-07 | Aw-Energy Oy | Process and an apparatus for utilizing wave energy |
| US7834474B2 (en) | 2005-03-23 | 2010-11-16 | Aquamarine Power Limited | Wave power energy generation apparatus |
| US8004105B2 (en) | 2005-03-23 | 2011-08-23 | Aquamarine Power Limited | Wave power energy generation apparatus |
| EP2292924A3 (en) * | 2005-03-23 | 2016-11-23 | Aquamarine Power Limited | Apparatus & control system for generating power from wave energy |
| JP2008261341A (en) * | 2005-08-12 | 2008-10-30 | Biopower Systems Pty Ltd | Device for capturing energy from fluid flow |
| KR100883756B1 (en) | 2008-03-25 | 2009-02-12 | 장경수 | Complex ocean power system combining sluice power and ocean current power |
| CN103843237A (en) * | 2011-07-28 | 2014-06-04 | 国立大学法人冈山大学 | Dynamo |
| EP2738925A4 (en) * | 2011-07-28 | 2015-12-16 | Univ Okayama Nat Univ Corp | Dynamo |
| US9347332B2 (en) | 2011-07-28 | 2016-05-24 | Mitsui Engineering & Shipbuilding | Dynamo with columnar oscillator |
| ES2397446A1 (en) * | 2011-08-01 | 2013-03-07 | María Ruth SÁNCHEZ LUGILDE | System of transformation of the energy of the waves of the sea. (Machine-translation by Google Translate, not legally binding) |
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