公开(公告)号：WO2013097857A1

公开(公告)日：2013-07-04

申请号：PCT/DK2012/050480

申请日：2012-12-19

Applicant: VESTAS WIND SYSTEMS A/S

Inventor： KIM, Whye Ghee ,  CHONG, Kok Leong ,  CHANG, Yun Chong Gabriel ,  LIM, Li Hong Idris

IPC: F03D11/00

CPC classification number: F03D11/0025 ,  F03D17/00 ,  F03D80/40 ,  F05B2270/804 ,  G01B11/06 ,  G01V8/00 ,  Y02E10/72

Abstract: A wind turbine comprising an elongated blade body, a system for detecting an ice layer on the blade body, the system comprising a light source for emitting a light beam; a light splitting optical element optically connected to the light source so as to receive the light beam emitted from the light source, the optical element adapted to split the light beam received from the light source into a reference light beam and a detecting light beam, a boundary area which is arranged at the blade body so as to be exposed to the outer surroundings of the blade body and which is optically connected to the light splitting optical element such as to receive the detecting light beam and to reflect an internal reflected part of the detecting light beam at the boundary area and to transmit a transmitting part of the detecting light beam to the outer surroundings of the blade body through the boundary area and to allow an external reflected part of the transmitting part of the detecting light beam, which has been reflected from outside of the blade body, to be re-transmitted through the boundary area, a light measuring device optically connected to the light splitting optical element so as toreceive the reference light beam, the internal reflected part of the detecting light beam and the external reflected part of the detecting light beam, wherein the light measuring device is configured to analyze the received light and to determine the presence and/or thickness of an ice layer on the blade body dependent on the analysis.

Abstract translation: 一种风力涡轮机，包括细长的叶片体，用于检测叶片体上的冰层的系统，所述系统包括用于发射光束的光源; 光分离光学元件，光学连接到所述光源，以接收从所述光源发射的光束，所述光学元件适于将从所述光源接收的光束分成参考光束和检测光束， 所述边界区域布置在所述刀片体上以暴露于所述刀片体的外周，并且与所述分光光学元件光学连接，以便接收所述检测光束并反射所述检测光束的内部反射部分 在边界区域检测光束，并通过边界区域将检测光束的透射部分传输到叶片体的外围，并允许检测光束的透射部分的外部反射部分 从叶片体的外部反射，通过边界区域重新透射，光学测量装置与光分离光学连接 光学元件，以便接收参考光束，检测光束的内部反射部分和检测光束的外部反射部分，其中光测量装置被配置为分析接收的光并且确定存在和/或 根据分析，叶片体上冰层的厚度。