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Inline closed type hydroelectric power generation system

A closed-circuit, power generation device technology, applied in current collectors, electric vehicles, electrical components, etc., can solve the problems of small diameter, low water flow rate, inapplicability, etc., to achieve adjustable power, ensure safe use, and a wide range of applications. Effect

Active Publication Date: 2013-02-06
THE HONG KONG POLYTECHNIC UNIV
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Problems solved by technology

However, the diameter of underground water pipes in cities is generally small and the water velocity is low, so this design is not suitable

Method used

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  • Inline closed type hydroelectric power generation system
  • Inline closed type hydroelectric power generation system
  • Inline closed type hydroelectric power generation system

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Embodiment Construction

[0036] The present invention proposes a new inline closed hydroelectric power generation system that utilizes water flow in water pipes to generate electricity, which can be applied to underground pipes with small diameters and low water flow rates in cities.

[0037] The inline closed hydroelectric power generation system 100 of the present invention is installed on the pipeline 200 after holes are opened in the pipeline 200 . figure 1 Shown is a combined schematic diagram of an inline closed hydroelectric power generation system 100 in an embodiment of the present invention, in which external components such as waterproof casings are removed. In an embodiment of the present invention, an inline closed hydroelectric power generation system 100 includes a coupling device 1 , a power input device 2 , a power generation device 3 , and a fixed waterproof device 4 .

[0038] figure 2 Shown is a schematic diagram of the coupling device 1 connected to the pipeline 200 in the syst...

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Abstract

An inline closed type hydroelectric power generation system (100) applicable to closed environments is installed in a pipeline (200) with an open hole and comprises a linkage device (1), a power input device (2) and a power generation device (3). The linkage device comprises a venturi (11) which is fixed at the open hole and communicated with the pipeline. The power input device comprises a vertical turbine (22), the vertical turbine is a spherical multi-blade hollow turbine and comprises a columnar fence type frame and a plurality of cambered blades (222) extending outwards from multiple fence columns of the fence type frame, and the bending direction of the blades are uniform and opposite to the rotation direction of the vertical turbine. The vertical turbine further comprises a transmission shaft (221) extending from one end of the fence type frame. The power input device penetrates through the venturi to be positioned in the pipeline, water flow drives the vertical turbine to rotate, and rotation power is outputted through the transmission shaft. The power generation device is in transmission connection with the transmission shaft and used for converting kinetic energy of the transmission shaft into electric energy. The inline closed type hydroelectric power generation system can be mounted in water pipes with low flow velocity and small diameter for power generation.

Description

technical field [0001] The invention relates to hydroelectric power generation technology, in particular to an inline closed hydroelectric power generation system which is conveniently installed in a fresh water or salt water pipe and utilizes the kinetic energy of water in the pipe and excess water head to generate electricity. Background technique [0002] Within a city, the supply of potable and brackish water (gray water) is typically distributed to numerous buildings through a complex network of underground water pipes. To ensure the reliability of fresh and brackish water supplies, it is important to monitor water velocity, pressure and leaks in underground pipes. Even though there are different sensors and instruments in the market to measure water flow rate, water pressure and leakage, sometimes it is very difficult to get a continuous and proper power supply along the pipeline. On the one hand, although there may be high-voltage power supply cables along the pipeli...

Claims

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Application Information

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IPC IPC(8): F03B13/00H02J7/14
Inventor 杨洪兴陈建
Owner THE HONG KONG POLYTECHNIC UNIV
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