10 results about "Small hydro" patented technology

To provide a float-type hydraulic power generation device that can be easily transported to and installed at a desired location suitable for small hydraulic power generation, can be operated without interruption by dusts flowing in a water passage, and does not require external motive force.SOLUTION: A float-type hydraulic power generation device includes: a hydraulic turbine-type dust removal unit 2 which removes dust from water flowing in an open-channel water passage 6 such as a middle or small river and an agricultural water channel; a hydraulic power generation unit 3; and a float 4. The hydraulic turbine-type dust removal unit 2 and the hydraulic power generation unit 3 are integrally assembled into a unit assembly 5, with the former on an upstream side of the water passage 6 and the latter on a downstream side of the water passage 6. A duct 24, inside of which a hydraulic turbine of the hydraulic power generation unit 3 is disposed, is coupled and connected to a flow outlet which is provided in the hydraulic turbine-type dust removal unit 2 and through which clean water from which dust has been removed flows. The clean water flows through the flow outlet into the duct 24 to rotate the hydraulic turbine. The float 4 is coupled to the unit assembly 5 to hold the float in the flow passage 6 in a floating manner.SELECTED DRAWING: Figure 1

To provide a small hydroelectric power generating device capable of stably generating electricity by utilizing a small water flow. [Solution] The device comprises a first cylindrical portion 10 and a second cylindrical portion 20 arranged in parallel, a water branching portion 30 that alternately supplies water from a water source to the first cylindrical portion 10 and the second cylindrical portion 20, a moving member 40 that is within the first cylindrical portion 10 and the second cylindrical portion 20 and is positioned between the water supplied to the first cylindrical portion 10 and the second cylindrical portion 20 from the water branching portion 30 and the air present within the first cylindrical portion 10 and the second cylindrical portion, an air movement passage 50 that, when the moving member 40 within the first cylindrical portion 10 descends, causes the air below the moving member to move toward the second cylindrical portion 20, and when the moving member 40 within the second cylindrical portion 20 descends, causes the air below the moving member to move toward the first cylindrical portion 10, and a power generation mechanism that generates power using the movement of air moving through the air movement passage.

The utility model relates to the technical field of hydraulic engineering, and discloses a small hydroelectric generation device for energy mechanical engineering, which comprises a support plate, a protective box fixedly connected to the top of the support plate, a generator body fixedly connected to the top of the support plate, a first belt pulley fixedly connected to the input end of the generator body, and a second belt pulley fixedly connected to the output end of the generator body. A transformer is fixedly connected to the top of the supporting plate, an adjusting power generation mechanism is arranged in the supporting plate, a movable mounting mechanism is arranged outside the supporting plate, in the using process, through rotation of a first threaded rod, the height of the water wheel bucket can be adjusted conveniently, and therefore the requirement for adjustment and use of different water depths is met; and the position of the limiting column can be conveniently adjusted, so that the belt body is limited, unexpected situations such as loosening of the belt body in the using process are avoided, the position of the mounting frame can be conveniently adjusted and limited through movement of the sliding plate, and therefore mounting and using in different using scenes are met.

The present invention relates to an eco-friendly small hydro power generation device, comprising: a main clutch unit configured such that first and second seesaw arms, installed on both sides of a first rotating shaft extending from a water turbine, are separated from the first rotating shaft when rotated upward and are coupled to the first rotating shaft when descended; a motor for rotationally driving a second rotating shaft; upper and lower pulleys installed so as to be able to rotate in conjunction with the movement of first and second wires having one end coupled to the first and second seesaw arms, respectively; a swing motion support unit for applying the rotational force of the second rotating shaft using the other ends of the first and second wires by, while the first seesaw arm performs a first swing motion, performing a second swing motion in a pattern in which the second seesaw arm descends when the first seesaw arm ascends; and a generator for generating electric power by receiving the rotational force of the water turbine.

The utility model relates to the technical field of sealing devices, and discloses an oil-mist-proof sealing cover of a small-sized water turbine generator set, which comprises a sealing cover body sleeved on a generator main shaft, a connector used for being communicated with an oil mist processor is arranged on the sealing cover body, one end of the connector close to the main shaft is an oil mist inlet, and the other end of the connector is an oil mist outlet. The oil mist inlet is lower than the oil mist outlet; and a sealing structure is mounted on one side of the oil mist inlet of the sealing cover body. In practical application, the oil mist prevention sealing cover and the generator main shaft are tightly sealed, oil mist leakage is avoided, and the lubricating effect of the generator guide bearing is effectively guaranteed.

Energy can be efficiently generated according to the amount of water in a channel by including: a first water intake channel placed on an upstream side; a second water intake channel placed on a downstream side; a water wheel on a more downstream side of the first water intake channel and the second water intake channel, the water wheel having an axis of rotation in a direction that crosses orthogonally with a flow of water; a lateral movement apparatus that allows the second water intake channel to be moved in an upstream or downstream direction; and a vertical movement apparatus that allows the water wheel to be moved in a vertical direction.

The utility model relates to the technical field of power generation equipment, in particular to a small hydroelectric generation device which comprises a supporting frame, and a high-level water tank used for containing water, a power generation mechanism used for converting water flow kinetic energy into electric energy and a low-level water tank used for discharging water are sequentially arranged on the supporting frame from top to bottom. The power generation mechanism comprises a water turbine, a generator, an AC-DC converter and a storage battery. The power generation device provided by the utility model is simple and convenient to assemble, place and transfer, can be adaptively placed in different use environments, utilizes local existing natural water resources to produce electric energy, greatly facilitates power utilization in production and life and clean power generation, and reduces expenses.

To enable water utilization power generation in a safe way.SOLUTION: Water from rivers and springs with a difference in water flow, or wastewater from factories and businesses is used to turn a water turbine, and the resulting torque is transmitted to a generator A to generate 12 V of electricity. A power supply of 12 V is converted to 100 V using a transformer B. A power supply of 100 V is used to turn a motor C of 0.5 HP, which turns a flywheel D weighing 20 kg. The torque turns a generator E, and the resulting electrical power turns a motor F of 1 HP. The torque of the motor turns a flywheel G weighing 200 kg, to a generator H, and the resulting electricity is stored in a capacitor I and distributed to the intended use.SELECTED DRAWING: Figure 1

The present invention relates to a small hydroelectric power generation system utilizing water flow, wherein the system comprises: a pair of helical turbines (100) having a plurality of helical rotating blades that rotate in opposite directions to enable stable rotation even with resistance and lift caused by water currents and turbulent currents; a support frame (200) that stably supports the pair of helical turbines (100) underwater and can be fixedly mounted with one or more of them; a pair of guides (300) fixedly mounted on the support frame (200) that filter out the attachment of sludge flowing along currents or water flow, divide the fluid flow to allow it to flow into and out of the pair of helical turbines (100), and simultaneously increase rotational inertia to help the stable rotation of the turbines; and a gearbox (400) that matches the high torque of the pair of helical turbines (100) with the high rotational speed of the generator. By implementing a small hydroelectric power generation system using water flow characterized by including a power generation module (500) having a control means (510) that produces and controls alternating current (AC) electricity by the continuous and stable rotation of the above pair of helical turbines (100); and an air-floating body (600) that floats the power generation system to the upper part of the floating body when installing the power generation system underwater or during repair and maintenance, it has the effect of high energy conversion efficiency utilizing both drag force from the water current and lift force from the vortex, and stable power generation and repair and maintenance are possible even in turbulent and rapid currents.

To provide an onshore culture facility using sustainable energy, capable of suitably controlling the temperature of culture water by utilizing heat in the natural world, and capable of being safely operated at a low cost without adding water to the culture water.SOLUTION: The land-based aquaculture system using sustainable energy includes a hot-heat source for supplying hot water heated by solar energy, hot-spring heat, waste water in a power plant, or incineration heat in an incineration plant, a cold-heat source for supplying cold water cooled by ground water, underground storage water, river water, lake water, agricultural water, or rainwater, and at least one of a low temperature difference power generation device, a photovoltaic power generation device, and a small hydroelectric power generation device. In particular, the present invention is configured to heat and / or cool the aquaculture water by circulating hot water from a hot heat source and / or cold water from a cold heat source, and performs auxiliary heating and / or cooling of the hot water from the hot heat source and / or the cold water from the cold heat source by electric power supplied from at least one of a low temperature difference power generation device, a solar power generation device, and a small hydroelectric power generation device.SELECTED DRAWING: Figure 1