JPH0539771A - Water turbine - Google Patents
Water turbineInfo
- Publication number
- JPH0539771A JPH0539771A JP3195379A JP19537991A JPH0539771A JP H0539771 A JPH0539771 A JP H0539771A JP 3195379 A JP3195379 A JP 3195379A JP 19537991 A JP19537991 A JP 19537991A JP H0539771 A JPH0539771 A JP H0539771A
- Authority
- JP
- Japan
- Prior art keywords
- runner
- bearing
- water turbine
- ring
- outer periphery
- 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.)
- Withdrawn
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000010248 power generation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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
- Y02E10/20—Hydro energy
Landscapes
- Hydraulic Turbines (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、水力発電などに適用さ
れる水車に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water turbine applied to hydroelectric power generation and the like.
【０００２】[0002]
【従来の技術】図４は水力発電に使用されている従来の
マイクロ水車の構造説明図である。図において、０１は
ランナ、０２，０３はそれぞれ発電機の回転子および固
定子、０４，０５は軸受、０６は主軸、０７，０８は支
柱で、主軸６の軸受部はランナ０１前後の流水中に設け
られている。マイクロ水車の出力は１０ＫＷ程度であ
る。2. Description of the Related Art FIG. 4 is a structural explanatory view of a conventional micro water turbine used for hydroelectric power generation. In the figure, 01 is a runner, 02 and 03 are rotors and stators of a generator, 04 and 05 are bearings, 06 is a main shaft, 07 and 08 are stanchions, and the bearing part of the main shaft 6 is running water before and after the runner 01. It is provided in. The output of the micro turbine is about 10 kW.
【０００３】[0003]
【発明が解決しようとする課題】上記のように従来のマ
イクロ水車は主軸の軸受部がランナ０１前後の流水中に
設けられており、マイクロ水車のような小型の水車の流
水中に軸受０４，０５、支柱０７，０８などが置かれる
ためにスペースが狭く、また支柱０７，０８、軸受０
４，０５などによる損失水頭が大きい。As described above, in the conventional micro water turbine, the bearing portion of the main shaft is provided in running water around the runner 01, and the bearing 04, in the running water of a small water turbine such as a micro water turbine, 05, columns 07, 08, etc. are placed, so the space is small, and columns 07, 08, bearings 0
The head loss due to 4,05 etc. is large.
【０００４】[0004]
【課題を解決するための手段】本発明に係る水車は上記
課題の解決を目的にしており、ランナ外周に嵌装され上
記ランナとともに回転するリング状部材と、ケーシング
内側に取付けられ上記リング状部材を回転可能に軸支す
る軸受部材とを備えた構成を特徴とする。SUMMARY OF THE INVENTION A water turbine according to the present invention is intended to solve the above problems, and a ring-shaped member fitted around the outer periphery of a runner and rotating together with the runner, and the ring-shaped member mounted inside the casing. And a bearing member for rotatably supporting the shaft.
【０００５】また、本発明に係る水車は、上記リング状
部材の外周に巻掛けられ上記ランナの動力を外部へ伝達
するベルト状部材を備えた構成を特徴とする。Further, a water turbine according to the present invention is characterized by a belt-shaped member wound around the outer periphery of the ring-shaped member and transmitting the power of the runner to the outside.
【０００６】[0006]
【作用】即ち、本発明に係る水車においては、ランナ外
周に嵌装されてランナとともに回転するリング状部材が
ケーシング内側に取付けられた軸受部材により回転可能
に軸支されており、流水中の軸受部をランナ外周に移す
ことにより流水中の障害物がなくなって損失水頭が減少
する。That is, in the water turbine according to the present invention, the ring-shaped member fitted around the outer periphery of the runner and rotating together with the runner is rotatably supported by the bearing member mounted inside the casing. By moving this part to the outer circumference of the runner, obstacles in running water will be eliminated and the head loss will be reduced.
【０００７】また、本発明に係る水車においては、ラン
ナ外周に嵌装されてランナとともに回転するリング状部
材の外周にベルト状部材が巻掛けられランナの動力を外
部へ伝達するようになっており、水車における動力の伝
達機構が簡素化される。Further, in the water turbine according to the present invention, the belt-shaped member is wound around the outer periphery of the ring-shaped member fitted around the outer periphery of the runner and rotating together with the runner, so that the power of the runner is transmitted to the outside. The power transmission mechanism in the water turbine is simplified.
【０００８】[0008]
【実施例】図１は本発明の一実施例に係るマイクロ水車
の構造説明図である。図において、本実施例に係るマイ
クロ水車は水力発電に使用されており、出力は１０ＫＷ
程度で、１はランナ、２，３はそれぞれ発電機の回転子
および固定子、４は断面がＬ字型をなす例えばセラミッ
クス製などの軸受である。ランナ１の外周部にはベーン
１ａと一体にリング１ｂが形成されており、このリング
１ｂが軸受４と摺動し合って軸受部をなす。また、リン
グ１ｂの外側には発電機の回転子２が取付けられてお
り、ランナ１の動力により発電機の回転子２が駆動され
て発電が行われる。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a structural explanatory view of a micro water turbine according to an embodiment of the present invention. In the figure, the micro water turbine according to this embodiment is used for hydroelectric power generation, and the output is 10 kW.
By the way, 1 is a runner, 2 and 3 are rotors and stators of a generator, respectively, and 4 is a bearing made of, for example, ceramics having an L-shaped cross section. A ring 1b is formed integrally with the vane 1a on the outer peripheral portion of the runner 1, and the ring 1b slides on the bearing 4 to form a bearing portion. The rotor 2 of the generator is attached to the outside of the ring 1b, and the rotor 2 of the generator is driven by the power of the runner 1 to generate electricity.
【０００９】流水中における損失水頭を減らして水車効
率を向上させるためには流水中にできるだけ障害物を設
けない方が良いが、本マイクロ水車においてはこのよう
に軸受部をランナ１の外周に移すことにより流水中の障
害物となる軸受および支柱をなくしており、流水部にお
ける構造が簡素化され損失水頭が減少するとともに軸受
部のスペースを十分にとることができる。In order to reduce the head loss in running water and improve the efficiency of the water turbine, it is better to provide no obstacles in the running water as much as possible. In this micro water turbine, however, the bearing portion is moved to the outer periphery of the runner 1 in this way. As a result, the bearings and struts that become obstacles in running water are eliminated, the structure in the running water part is simplified, the head loss is reduced, and the space of the bearing part can be sufficiently secured.
【００１０】図２および図３は本発明の他の実施例に係
るマイクロ水車の構造説明図である。図において、本実
施例に係るマイクロ水車は水力発電に使用されており、
出力は１０ＫＷ程度で、１はランナ、４は断面がＬ字型
をなす軸受、４ａはラビリンス型の封水部、２ａは水車
側のプーリ、６はタイミングベルト、５は発電機、５ａ
は発電機５側のプーリである。ランナ１の外周部にはベ
ーン１ａと一体で断面が工字型をなすリング１ｂが嵌装
されており、このリング１ｂが軸受４および封水部４ａ
と摺動し合って軸受と封水との機能を持っている。ま
た、ランナ１による動力はプーリ２ａ，５ａおよびタイ
ミングベルト６により発電機５が駆動されて発電が行わ
れる。2 and 3 are structural explanatory views of a micro water turbine according to another embodiment of the present invention. In the figure, the micro water turbine according to the present embodiment is used for hydraulic power generation,
The output is about 10 kW, 1 is a runner, 4 is a bearing having an L-shaped cross section, 4a is a labyrinth type water seal part, 2a is a pulley on the turbine side, 6 is a timing belt, 5 is a generator, 5a
Is a pulley on the generator 5 side. A ring 1b, which is integral with the vane 1a and has a cross-section of a V shape, is fitted on the outer peripheral portion of the runner 1.
Sliding with each other, it has the function of bearing and sealing water. The power generated by the runner 1 is driven by the pulleys 2a and 5a and the timing belt 6 to drive the generator 5 to generate electric power.
【００１１】このように、本マイクロ水車は軸受および
封水の機能をランナ１の外周部に設けるとともに、ラン
ナ１の動力をタイミングベルト６により発電機５に伝え
るように構成されており、流水中にはランナ１のみが存
在し他の障害物がなくなって損失水頭が減少する。ま
た、ランナ１の外周にリング１ｂおよび封水部４ａを設
けることによりランナ１の動力をタイミングベルト６に
よって外部に取り出すことができ、マイクロ水車におけ
る動力の伝達機構が簡素になって保守が容易になる。As described above, the present micro water turbine is provided with a bearing and a function of sealing water on the outer peripheral portion of the runner 1, and the power of the runner 1 is transmitted to the generator 5 by the timing belt 6. There is only runner 1 and there are no other obstacles and the head loss is reduced. Further, by providing the ring 1b and the water sealing portion 4a on the outer periphery of the runner 1, the power of the runner 1 can be taken out by the timing belt 6, and the power transmission mechanism in the micro water turbine is simplified and maintenance is facilitated. Become.
【００１２】[0012]
【発明の効果】本発明に係る水車は前記のように構成さ
れており、流水中の障害物がなくなって損失水頭が減少
するので水車効率が向上する。また、動力の伝達機構が
簡素化されるので保守が容易になる。The water turbine according to the present invention is constructed as described above, and since the obstacles in the running water are eliminated and the head loss is reduced, the water turbine efficiency is improved. Moreover, since the power transmission mechanism is simplified, maintenance is facilitated.
【図１】図１は本発明の一実施例に係るマイクロ水車の
断面図である。FIG. 1 is a sectional view of a micro water turbine according to an embodiment of the present invention.
【図２】図２は本発明の他の実施例に係るマイクロ水車
の側面図である。FIG. 2 is a side view of a micro water turbine according to another embodiment of the present invention.
【図３】図３はその断面図である。FIG. 3 is a sectional view thereof.
【図４】図４は従来のマイクロ水車の断面図である。FIG. 4 is a cross-sectional view of a conventional micro water turbine.
１ ランナ １ａ ベーン １ｂ リング ２ 回転子 ２ａ 水車側のプーリ ３ 固定子 ４ 軸受 ４ａ 封水部 ５ 発電機 ５ａ 発電機側のプーリ ６ タイミングベルト 1 runner 1a vane 1b ring 2 rotor 2a turbine pulley 3 stator 4 bearing 4a water seal 5 generator 5a generator pulley 6 timing belt
Claims (2)
に回転するリング状部材と、ケーシング内側に取付けら
れ上記リング状部材を回転可能に軸支する軸受部材とを
備えたことを特徴とする水車。1. A water turbine comprising: a ring-shaped member fitted around an outer periphery of the runner and rotating together with the runner; and a bearing member mounted inside a casing for rotatably supporting the ring-shaped member.
記ランナの動力を外部へ伝達するベルト状部材を備えた
ことを特徴とする請求項１に記載の水車。2. The water turbine according to claim 1, further comprising a belt-shaped member that is wound around the outer periphery of the ring-shaped member and that transmits the power of the runner to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3195379A JPH0539771A (en) | 1991-05-28 | 1991-08-05 | Water turbine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3-123616 | 1991-05-28 | ||
| JP12361691 | 1991-05-28 | ||
| JP3195379A JPH0539771A (en) | 1991-05-28 | 1991-08-05 | Water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0539771A true JPH0539771A (en) | 1993-02-19 |
Family
ID=26460498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3195379A Withdrawn JPH0539771A (en) | 1991-05-28 | 1991-08-05 | Water turbine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0539771A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003511614A (en) * | 1999-10-06 | 2003-03-25 | アロイス・ヴォベン | Ocean current power generation equipment |
-
1991
- 1991-08-05 JP JP3195379A patent/JPH0539771A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003511614A (en) * | 1999-10-06 | 2003-03-25 | アロイス・ヴォベン | Ocean current power generation equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19981112 |