WO2021260967A1 - 小水力発電装置 - Google Patents
小水力発電装置 Download PDFInfo
- Publication number
- WO2021260967A1 WO2021260967A1 PCT/JP2020/044732 JP2020044732W WO2021260967A1 WO 2021260967 A1 WO2021260967 A1 WO 2021260967A1 JP 2020044732 W JP2020044732 W JP 2020044732W WO 2021260967 A1 WO2021260967 A1 WO 2021260967A1
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- WO
- WIPO (PCT)
- Prior art keywords
- water
- headrace
- power generation
- hydroelectric power
- small hydroelectric
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B7/00—Water wheels
-
- 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
- Y02E10/20—Hydro energy
Definitions
- the present invention relates to a small hydroelectric power generation device.
- Patent Document 1 proposes a configuration including a water turbine (turbine device), an elevating device, and a flow rate adjusting device, and adjusts the water level by the flow rate adjusting device. It is said that efficient power generation can be performed according to the water level by moving the water turbine up and down.
- Patent Document 2 proposes a configuration including a water turbine (turbine device) and a water level adjusting gate, and it is said that the angle at which the water flow hits the water turbine is adjusted by controlling the rotation of the water level adjusting gate.
- the small hydroelectric power generation device of Patent Document 1 does not utilize the water flow near the water surface, and the flow velocity of the water guided to the water turbine by the flow rate adjusting device is weakened, so that the flow velocity in the water channel is effectively used. It is hard to say that it is done.
- the small hydroelectric power generation device of Patent Document 2 uses a water flow near the water surface having a large flow velocity, the flow velocity of water guided to the water turbine by the water level adjusting gate is weakened. It is hard to say that the flow velocity in the water channel is effectively used.
- the small hydroelectric power generation devices of Patent Document 1 and Patent Document 2 can change the angle of the water flow guided to the water turbine by adjusting the positions of the water turbine and the flow rate adjusting device or the water level adjusting gate. Has been done. However, in Patent Document 1 and Patent Document 2, since the horizontal positional relationship between the water turbine guided by the water turbine and the water turbine cannot be adjusted, the water flow hits the vicinity of the center of the water turbine and the flow velocity can be effectively used. It may not be possible. Further, the small hydroelectric power generation devices of Patent Document 1 and Patent Document 2 utilize the entire flow rate of the water flow in the water channel, and it is difficult to release dust and secure a fishway during operation.
- the small hydroelectric power generation device is made to solve the above-mentioned problems, and adjusts the angle at which the water flow hits the water turbine while utilizing the water flow near the water surface having a large flow velocity, and the water is guided to the water turbine. It enables efficient power generation according to the amount of water in the water channel without weakening the flow velocity.
- the small hydroelectric power generation device has a first headrace located on the upstream side and a second headrace located on the downstream side, and is located at the most downstream of these headraces and rotates in a direction orthogonal to the water flow.
- a water turbine having a shaft, a lateral movement device that allows the second headrace to move upstream or downstream, and a vertical movement device that allows the water wheel to move vertically are provided, and the second headrace is a water turbine.
- the lateral movement device is characterized in that the second headrace and the water turbine can be separated or approached in the horizontal direction by moving the second headrace.
- the second headrace, the water turbine, the lateral movement device, and the vertical movement device are integrally formed, and these integrally formed bases can be installed on the ground. preferable.
- each of the second headrace and the water turbine can be moved by the horizontal movement device and the vertical movement device, the water flow hits the water wheel while utilizing the water flow near the water surface having a large flow velocity.
- By adjusting the angle it is possible to generate electricity efficiently according to the amount of water in the water channel without weakening the flow velocity of the water guided by the water turbine.
- the small hydroelectric power generation device according to the present invention will be described by taking as an example the structure of the small hydroelectric power generation device and the state of the small hydroelectric power generation device.
- FIG. 1 is a side view showing an example of a small hydroelectric power generation device according to the present invention.
- FIG. 2 is a front view showing the small hydroelectric power generation device of this example.
- FIG. 3 is a side view showing a second headrace and a lateral movement device in the small hydroelectric power generation device of this example.
- FIG. 4 is a side view showing a water turbine and a vertical moving device in the small hydroelectric power generation device of this example.
- the small hydroelectric power generation device of this example is located in the first headrace 20 located on the upstream side, the second headrace 30 located on the downstream side, and the most downstream of these continuous headraces.
- a water turbine 40 having a rotation axis in a direction orthogonal to the water flow, a lateral movement device 50 that allows the second headrace 30 to move in the upstream or downstream direction, and a vertical movement device 50 that allows the water wheel 40 to move in the vertical direction.
- a moving device 60 is provided, and the first headrace 20 guides the water flow to the second headrace 30, and the second headrace 30 guides the water flow to the water turbine 40.
- the water flow 81 near the water surface of the second headrace 30 hits the water turbine 40 after being discharged from the second headrace 30, and is used for power generation. After being discharged from the second headrace 30, it will flow under the water turbine without hitting the water turbine 40.
- the small hydroelectric power generation device of this example utilizes a part of the flow rate in the fishway and not the entire flow rate, dust is discharged even when the small hydroelectric power generation device is in operation. It is possible to secure fishways and fishways.
- the water flow 82 near the bottom surface of the second headrace 30 is not used for power generation, but in the small hydroelectric power generation device according to the present invention, the installation state and the power generation environment.
- the water flow near the bottom surface may be used for power generation, or the entire flow rate in the water channel may be used for power generation.
- the second headrace 30 and the lateral movement device 50 are fixed by the wheels 31 and rail 51 described later, and the rack 32 and pinion 54 described later.
- the water turbine 40 and the vertical movement device 60 are fixed at the central portion 41 and the elevating portion 63 of the water turbine 40, which will be described later.
- the lateral movement device 50 and the vertical movement device 60 have a structure in which a frame having a rail 51 of the horizontal movement device 50 and a support column of the vertical movement device 60 are joined by a support member.
- the second headrace 30, the water wheel 40, the lateral movement device 50, and the vertical movement device 60 are integrally formed, and the integrally formed base 70 is installed on the ground 71.
- the base 70 Since the base 70 is installed on the ground 71 outside the waterway 10, it is easy to install the small hydroelectric power generation device according to the present invention in the waterway even when it is difficult to construct the inside of the waterway. Become. Further, by applying the present invention, it is possible to reduce the cost when introducing the small hydroelectric power generation device.
- the first headrace 20 is formed by providing a bottom portion 21 on the bottom surface of the headrace 10, and the second headrace 30 is provided inside the headrace 10.
- the configuration is not limited to this example, and the first headrace 20 may be provided separately from the headrace 10, and the second headrace 20 may be provided separately.
- the headrace 30 does not have to be provided inside the headrace 10.
- the second headrace 30 includes a wheel 31, a rack 32, and a connecting portion 33
- the lateral movement device 50 includes a rail 51, a handle 52, and a shaft rod 53. And a pinion 54.
- the wheels 31 are rotatably installed on the rail 51, and the rack 32 and the pinion 54 mesh with each other to fix the second headrace 30 and the lateral movement device 50.
- the rotational force is transmitted to the pinion 54 by the shaft rod 53, and the pinion 54 and the rack 32 function as a rack and pinion mechanism.
- the lateral movement device 50 can move the second headrace 30 in the upstream direction or the downstream direction.
- the connecting portion 33 inside the first headrace 20 it becomes easy to guide the water flow from the first headrace 20 to the second headrace 30.
- the lateral movement device 50 is configured to be able to move the second headrace 30 in the upstream direction or the downstream direction by a rack and pinion mechanism.
- the hydroelectric power generation device is not limited to the configuration of this example, and the lateral movement device 50 is upstream of the second headrace 30 by, for example, a crank mechanism that converts the rotational movement of the handle 52 into the reciprocating movement of the second headrace 30. It may be configured to be movable in the direction or the downstream direction.
- the water turbine 40 includes a central portion 41 and blades 42, and the vertical movement device 60 includes a motor 61, a suspension portion 62, an elevating portion 63, and a weight. It includes 64, a chain 65, and a generator 66.
- the water turbine 40 and the vertical moving device 60 are fixed at a central portion 41 and an elevating portion 63 composed of a rotating shaft and bearings.
- the elevating part 63 suspended by the hanging part 62 can move in the vertical direction, whereby the vertical movement device 60 can move the water turbine 40 in the vertical direction.
- the suspension portion 62 can stably suspend the elevating portion 63 and the water turbine 40.
- the horizontal movement device 50 and the vertical movement device 60 are configured to operate individually, but in the small hydroelectric power generation device according to the present invention, the horizontal movement device 50 and the vertical movement device 50 and the vertical movement device 60.
- the device 60 may be configured to be interlocked, and also automatically operates the lateral movement device 50 and the vertical movement device 60 according to the amount of water and the flow velocity in the water channel to move the second headrace 30 and the water turbine 40. It may be configured to make it.
- FIG. 5 is a schematic cross-sectional view showing a state in which the second headrace in the small hydroelectric power generation device of this example is moved in the upstream direction.
- FIG. 6 is a schematic cross-sectional view showing a state in which the second headrace in the small hydroelectric power generation device of this example is moved in the downstream direction.
- FIG. 7 is a schematic cross-sectional view showing a state in which the water turbine in the small hydroelectric power generation device of this example is moved upward.
- FIG. 8 is a schematic cross-sectional view showing a state in which the water turbine in the small hydroelectric power generation device of this example is moved downward.
- the second headrace 30 can be moved in the upstream direction or the downstream direction by the lateral moving device 50.
- the second headrace 30 and the water turbine 40 can be separated in the horizontal direction, so that even if the amount of water flowing in the waterway increases, the amount of water flows in the waterway increases.
- the angle at which the water flow 80 hits the blades 42 of the water turbine 40 can be adjusted, and the power generation efficiency can be improved.
- the second headrace 30 and the water turbine 40 can be brought closer to each other in the horizontal direction, so that the amount of water flowing in the waterway is reduced. Further, the angle at which the water flow 80 hits the blades 42 of the water turbine 40 can be adjusted, and the power generation efficiency can be improved.
- a small hydroelectric power generation device when the water flow hits the vicinity of the center of the water turbine, the rotational force weakens and the power generation efficiency decreases.
- the small hydroelectric power generation device of this example by moving the second headrace 30 in the upstream direction or the downstream direction, not only the angle at which the water flow 80 hits the blade 42 of the water turbine 40 can be adjusted, but also the water flow 80 and the water turbine can be adjusted. Since the horizontal positional relationship with the 40 can also be adjusted, it is possible to generate electricity by effectively utilizing the flow velocity without hitting the water flow 80 near the central portion 41 of the water turbine 40.
- the water turbine 40 can be moved in the vertical direction by the vertical moving device 60.
- the second headrace 30 and the water turbine 40 can be separated in the vertical direction, so that even if the amount of water flowing in the water channel increases, the water flow 80 can be separated.
- the angle of contact with the blade 42 of the water turbine 40 can be adjusted, and the power generation efficiency can be improved.
- the second headrace 30 and the water wheel 40 can be brought closer to each other in the vertical direction, so that even if the amount of water flowing in the water channel is reduced, the water flow
- the angle at which the 80 hits the blades 42 of the water turbine 40 can be adjusted, and the power generation efficiency can be improved.
- the blades 42 of the water turbine 40 may come into contact with the water surface and the power generation efficiency may decrease. In such a case, by moving the water turbine 40 upward by the vertical movement device 60, it is possible to generate electricity without bringing the blades 42 into contact with the water surface.
- the second headrace 30 and the turbine 40 can be moved according to the increase or decrease in the amount of water in the waterway, and the second headrace 30 and the water wheel 40 can be moved at a time or place where the amount of water is large.
- the small hydroelectric power generation device of this example does not need to be individually designed for the maximum flow rate in the waterway, and can be universally introduced in waterways in various environments.
Abstract
Description
本発明に係る小水力発電装置の構造について説明する。図1は、本発明に係る小水力発電装置の一例を示す側面図である。図2は、本例の小水力発電装置を示す正面図である。図3は、本例の小水力発電装置における第二導水路及び横移動装置を示す側面図である。図4は、本例の小水力発電装置における水車及び縦移動装置を示す側面図である。
本発明に係る小水力発電装置の状態について説明する。図5は、本例の小水力発電装置における第二導水路を上流方向に移動させた状態を示す概略断面図である。図6は、本例の小水力発電装置における第二導水路を下流方向に移動させた状態を示す概略断面図である。図7は、本例の小水力発電装置における水車を上方向に移動させた状態を示す概略断面図である。図8は、本例の小水力発電装置における水車を下方向に移動させた状態を示す概略断面図である。
20 第一導水路
21 底部
30 第二導水路
31 車輪
32 ラック
33 連結部
40 水車
41 中心部
42 羽根
50 横移動装置
51 レール
52 ハンドル
53 軸棒
54 ピニオン
60 縦移動装置
61 モータ
62 吊部
63 昇降部
64 錘
65 チェーン
66 発電機
70 基部
71 地面
80 水流
81 水面付近の水流
82 底面付近の水流
Claims (2)
- 上流側に位置する第一導水路と、
下流側に位置する第二導水路と、
これら導水路の最下流にあって水流に対して直交する方向に回転軸を有する水車と、
前記第二導水路を上流方向又は下流方向に移動可能とする横移動装置と、
前記水車を鉛直方向に移動可能とする縦移動装置と、
を備える小水力発電装置であって、
前記第二導水路は、前記水車へ水流を放出し、
前記横移動装置は、前記第二導水路を移動させることで、前記第二導水路及び前記水車を水平方向に離隔又は接近させることを可能としたことを特徴とする小水力発電装置。 - 前記第二導水路、前記水車、前記横移動装置、及び前記縦移動装置は、一体として形成され、一体として形成されたこれらの基部は、地面に設置可能であることを特徴とする請求項1記載の小水力発電装置。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20926356.5A EP4030050A4 (en) | 2020-06-25 | 2020-12-01 | SMALL CALIBER HYDROELECTRIC DEVICE |
BR112022025365A BR112022025365A2 (pt) | 2020-06-25 | 2020-12-01 | Pequeno aparelho de geração de energia hidrelétrica |
CN202080028617.8A CN114190080A (zh) | 2020-06-25 | 2020-12-01 | 小水力发电装置 |
PE2022002893A PE20230569A1 (es) | 2020-06-25 | 2020-12-01 | Aparato de pequena generacion de energia hidroelectrica |
KR1020227041125A KR20230005283A (ko) | 2020-06-25 | 2020-12-01 | 소수력 발전 장치 |
CA3131644A CA3131644C (en) | 2020-06-25 | 2020-12-01 | Hydroelectric power generation apparatus |
MX2022015728A MX2022015728A (es) | 2020-06-25 | 2020-12-01 | Aparato de pequeña generación de energía hidroeléctrica. |
US17/436,849 US11802535B2 (en) | 2020-06-25 | 2020-12-01 | Small hydroelectric power generation apparatus |
CONC2022/0017988A CO2022017988A2 (es) | 2020-06-25 | 2022-12-12 | Aparato de pequeña generación de energía hidroeléctrica |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2020109891A JP6778974B1 (ja) | 2020-06-25 | 2020-06-25 | 小水力発電装置 |
JP2020-109891 | 2020-06-25 |
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WO2021260967A1 true WO2021260967A1 (ja) | 2021-12-30 |
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PCT/JP2020/044732 WO2021260967A1 (ja) | 2020-06-25 | 2020-12-01 | 小水力発電装置 |
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JP (1) | JP6778974B1 (ja) |
TW (1) | TWI755931B (ja) |
WO (1) | WO2021260967A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004068655A (ja) * | 2002-08-05 | 2004-03-04 | Tanaka Suiryoku Kikai Seisakusho:Kk | 定水量開放型水車発電装置 |
JP2015031229A (ja) * | 2013-08-06 | 2015-02-16 | 水機工業株式会社 | 小水力発電装置 |
JP6282236B2 (ja) | 2015-02-06 | 2018-02-21 | 水機工業株式会社 | 水力発電装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US10221830B2 (en) * | 2016-07-26 | 2019-03-05 | Natel Energy, Inc. | Linear Pelton turbine |
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2020
- 2020-06-25 JP JP2020109891A patent/JP6778974B1/ja active Active
- 2020-11-17 TW TW109140039A patent/TWI755931B/zh active
- 2020-12-01 WO PCT/JP2020/044732 patent/WO2021260967A1/ja unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004068655A (ja) * | 2002-08-05 | 2004-03-04 | Tanaka Suiryoku Kikai Seisakusho:Kk | 定水量開放型水車発電装置 |
JP2015031229A (ja) * | 2013-08-06 | 2015-02-16 | 水機工業株式会社 | 小水力発電装置 |
JP6168902B2 (ja) | 2013-08-06 | 2017-07-26 | 水機工業株式会社 | 小水力発電装置 |
JP6282236B2 (ja) | 2015-02-06 | 2018-02-21 | 水機工業株式会社 | 水力発電装置 |
Also Published As
Publication number | Publication date |
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JP6778974B1 (ja) | 2020-11-04 |
TW202200895A (zh) | 2022-01-01 |
JP2022007140A (ja) | 2022-01-13 |
TWI755931B (zh) | 2022-02-21 |
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