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power generation device

A technology of power generation device and generator, applied in wind power generation, hydroelectric power generation, transmission device, etc., can solve the problems of increasing the position detector, the diameter of the large shaft of the propeller shaft, etc., and achieve the effect of reducing the size

Inactive Publication Date: 2016-01-13
YASKAWA DENKI KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the attachment of the position detector to the propeller shaft increases the size of the position detector since the propeller shaft usually has a larger shaft diameter

Method used

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Embodiment Construction

[0016] Embodiments of the power generation device will be described in detail below with reference to the accompanying drawings. In the following embodiments, the power generating device is applied to a wind power generating device. However, the power generating device can also be applied to a power generating device using a propeller other than a wind power generating device. For example, the power generation device can be applied to a tidal power generation device that generates electric power using a propeller rotated by ocean currents.

[0017] figure 1 is a schematic diagram showing the structure of the wind power generator according to the first embodiment. Such as figure 1 As shown in , a wind power generation device 1 includes a wind power generation unit 10 and a power conversion device 20 , and supplies power to a power system 30 . In order to understand the present invention easily, from figure 1 Some components are omitted. In the following description, in or...

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Abstract

The invention provides a power generating device. A power generating device according to an aspect of the present invention includes a hollow-shaped speed increasing gear, a hollow-shaped generator, a rotating shaft, and a position detector. The input and output shafts of the step-up gear are arranged coaxially with and coupled to the propeller shaft. The input shaft of the generator is arranged coaxially with the speed-up gear, and the generator generates electric power through the output of the speed-up gear. The rotation shaft is arranged coaxially with the speed-up gear and the generator, and rotates integrally with the propeller while passing through hollow portions of the speed-up gear and the generator. The position detector detects the rotational position of the propeller by detecting the rotational position of the rotary shaft.

Description

technical field [0001] The invention relates to a power generating device. Background technique [0002] There is known a power generation device using a propeller that generates electricity by using a propeller rotated by a fluid such as wind force and ocean current. For example, in a wind power plant, a generator converts mechanical energy generated by a propeller that is rotated by the wind into electrical energy. [0003] Some power generating devices using a propeller include a position detector such as an encoder that detects the rotational position of the propeller. An example of a related art power generation device includes such a position detector attached to the propeller shaft, and the position detector detects the rotational position of the propeller by detecting the rotational position of the propeller shaft (for example, see Japanese Patent Application Laid-Open No. 2011-208635). [0004] However, the attachment of the position detector to the propeller sha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03D9/25F03D17/00F03D15/10F03D7/02F03B13/26F16H57/023F16H1/28
CPCF03D9/25F03D15/00F03D80/70F03D80/85F03D80/88F05B2240/61F05B2250/311F05B2260/40311F05B2270/326Y02E10/30Y02E10/72F03D9/257F05B2240/221Y02E10/20
Inventor 宫本恭祐西真一宇都宫将之
Owner YASKAWA DENKI KK