Hydroelectric power generating equipment
A technology for hydroelectric power generation devices and generators, which can be used in hydroelectric power generation, ocean energy power generation, tidal flow/damless hydropower, etc., and can solve the problems of damaged and expensive scenery around rivers
Inactive Publication Date: 2012-07-11
ECO TECH CO
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Problems solved by technology
In cases where electricity is generated by using the flow of water in a river or waterway, it is difficult to avoid large-scale construction works for regulating the flow rate or water level
The construction work is very expensive and there is a risk that the scenery around the river may be damaged
Method used
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Embodiment Construction
[0078] The following will be explained according to the implementation of the present invention.
[0079] figure 1 It shows an embodiment of the hydropower device of the present invention.This hydropower device 1 includes: 20 (A) and 20 (B) of the water turbine, including multiple water turbine blades 22 around the rotation axis 50 and 52 and can be set up.Although the expectation is orthogonal, strict orthogonal intercourse is unnecessary, for example, the maximum tilt of the water surface method is about 10 °); the generator 40, the overall is located above the WL surface and used to transform the rotation energy of the water turbine 20 to the water turbine 20 to the transform of the water turbine 20 to the energy.In this structure of electrical energy, the upper end of the rotation axis 50 and 52 of the water turbine 20; and the water turbine supporting component 41 and 42, which supports the water turbine 20 and the generator 40, so that all the lower end of all water turbine...
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Disclosed is hydroelectric power generating equipment (1) wherein, since the equipment is employed in a mode in which all water turbine vanes (22) are concurrently immersed, the immersed volume of a water turbine (20) as a whole is greatly increased, and a considerable portion of the weight of the actual water turbine (20) and the weight of a generator (40) that is connected to the water turbine (20) can be borne by the total amount of buoyancy acting on the water turbine vanes (22). This makes it possible to reduce the weight of and space taken up by the support structure section of the water turbine (20) and generator (40), thereby making it possible to effectively reduce the space and construction costs involved in installing the hydroelectric power generating equipment (1). In this way, by raising the efficiency of conversion of water flow energy to water turbine rotation energy and more effectively utilising the buoyancy acting on the actual water turbine, it is possible to provide hydroelectric power generating equipment in which the weight of the water turbine and the generator can be efficiently supported by a more compact mechanism.
Description
Technical field [0001] The invention involves a hydropower device. Background technique [0002] At present, a water turbine structure is used, where the water turbine is set up in a parallel to the water surface and the hydropower is parallel to the water surface.In the case of using the water flow in the river or waterway, it is difficult to avoid large construction projects used to regulate flow velocity or water level.The construction engineering is very expensive, and there is still a danger that the scenery around the river may be destroyed.It also shows that the impact of flood control on agriculture or fisheries is increasing.Therefore, patent literature 1 and 2 propose a hydropower device. The device supports the water turbine on the water surface with a floating structure and mobilizes the water turbine vertically according to the changes in the water level. The water level will not affect the rotation state of the water turbine.In addition, it can be flexibly generated...
Claims
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IPC IPC(8): F03B7/00
CPCF03B17/063Y02E10/28Y02E10/30Y02E10/20
Inventor 加藤政春
Owner ECO TECH CO