公开(公告)号：WO1995021766A1

公开(公告)日：1995-08-17

申请号：PCT/FI1994000059

申请日：1994-02-14

Applicant: SOUNDEK OY

Inventor： SOUNDEK OY ,  LUUKKALA, Mauri, Veikko

IPC: B64D15/20

CPC classification number: B64D15/20

Abstract: A detector indicating ice formation on the wing of an aircraft or any planear surface, based on a thread-like or a tape-like transducer, through which a supersonic signal is transmitted at one end. The attenuation of the signal having passed through the thread is measured with a receiver at the opposite end while the thread is simultaneously being heated such that ice that may surround it melts again, the attenuation thus resuming its initial level.

Abstract translation: 一种检测器，其指示基于线状或带状换能器的飞行器机翼或任何平面表面上的冰形成，超声波信号在一端被传输通过该传感器。 已经通过螺纹的信号的衰减用相对端的接收器测量，同时线被同时被加热，使得可以围绕它的冰再次融化，因此衰减恢复其初始水平。

公开(公告)号：WO1997037203A1

公开(公告)日：1997-10-09

申请号：PCT/FI1997000178

申请日：1997-03-19

Applicant: SOUNDEK OY ,  LUUKKALA, Mauri ,  RÄIKKÖNEN, Heikki

Inventor： SOUNDEK OY

IPC: G01L05/04

CPC classification number: G01L5/105 ,  G01M11/088

Abstract: The invention concerns a measurement device (10) for measurement of the tensile stress in an optical fiber (11) or an equivalent wire. The measurement device (10) is provided with a device (12) for producing a vibration surge (150) in the optical fiber (11), which vibration surge vibrates at a certain, pre-selected frequency and which advances as a linearly polarized wire wave (15), and with an optical location-sensitive indicator (16) for measuring the advancing speed (v) of the wire wave (15). The measurement device (10) is provided with an illuminator device (17) for illuminating the optical fiber (11) so that a shadow or an image of the vibrating fiber is cast onto the indicator (16), whereby the tensile stress (T) of the optical fiber (11) can be calculated from the equation T = v . M when the fiber mass (M) per unit of length is known. The indicator device (16) in the measurement device (10) is fitted to measure the by-pass time of the departing wire wave surge (15) and the by-pass time of the wire wave surge (19) reflected from the coating vat (18), in which connection the speed of the wire wave is obtained by measuring the difference in time between the departing vibration and the arriving vibration when the distance (X) between the indicator device (16) and the coating vat (18) is known.

Abstract translation: 本发明涉及一种用于测量光纤（11）或等效导线中的拉伸应力的测量装置（10）。 测量装置（10）设置有用于在光纤（11）中产生振动浪涌（150）的装置（12），该振动浪涌以一定的预选频率振动，并且作为线偏振线 （15），以及用于测量线波（15）的前进速度（v）的光学位置敏感指示器（16）。 测量装置（10）设置有用于照射光纤（11）的照明装置（17），使得振动光纤的阴影或图像被投射到指示器（16）上，由此拉伸应力（T） 可以从等式T = v 2计算出光纤（11）的光纤。 当每单位长度的纤维质量（M）是已知的M。 测量装置（10）中的指示装置（16）被安装以测量离开的线波浪浪涌（15）的旁路时间和从涂层桶反射的线波浪涌（19）的旁路时间 （18），其中当指示器装置（16）和涂层桶（18）之间的距离（X）为（X））时，通过测量离开振动和到达振动之间的时间差来获得线波速度 众所周知。

公开(公告)号：WO1987005103A1

公开(公告)日：1987-08-27

申请号：PCT/FI1987000024

申请日：1987-02-11

Applicant: SOUNDEK OY ,  LUUKKALA, Mauri

Inventor： SOUNDEK OY

IPC: G01K11/00

CPC classification number: G01K11/18

Abstract: A thermometer or temperature alarm device making use of fibre optics. The measuring instrument consists of a fibre-optic light transmitter (1), which sends out light along an optic fibre (2) to a measuring head (5) on the end of the transmitting fibre (2), and a fibre-optic receiver (3), which is connected with an optic fibre (4) to the same measuring head (5). The measuring head (5) consists of a cell or hollow enclosure (6) which has been filled with a light-scattering substance (7) of the kind which below a certain threshold temperature scatters the incident light from the transmitting fibre (2) back to the receiving fibre (4) but above the threshold temperature characteristic for the substance (7) loses its light scattering capacity or changes to be transparant so that the light coming from the transmitting fibre (2) is no longer scattered to the receiving fibre (4). Transgression of the threshold temperature characteristic for the substance (7) is observable in the fibre-optic receiver (3) as a diminishing of the back-scattered light and of the signal thereby caused.

Abstract translation: 使用光纤的温度计或温度报警装置。 测量仪器由光纤光发射器（1）组成，光发射器（1）沿着光纤（2）将光发射到发射光纤（2）端部上的测量头（5），光纤接收器 （3），其与光纤（4）连接到同一测量头（5）。 测量头（5）由电池或空心外壳（6）组成，该外壳已经填充有低于一定阈值温度的光散射物质（7），散射物质（7）将来自发射光纤（2）的入射光向后 到接收光纤（4）但高于物质（7）的阈值温度特性时，失去光散射能力或改变为透明的，使得来自发射光纤（2）的光不再散射到接收光纤（ 4）。 在光纤接收器（3）中可以观察到物质（7）的阈值温度特性的偏差，因为反向散射光和由此引起的信号的减少。