Apparatus and method for improving field availability of laser wind-finding radar

A technology of wind measurement radar and availability, which is applied in the field of lidar detection to achieve the effects of improving the signal-to-noise ratio, signal availability, and detection strength

Inactive Publication Date: 2018-12-21
YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The existing public technology does not focus on how to improve the on-site availability of laser radar, so there is an urgent need in this field to develop a device and method for improving the on-site availability of laser wind radar

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Apparatus and method for improving field availability of laser wind-finding radar
  • Apparatus and method for improving field availability of laser wind-finding radar
  • Apparatus and method for improving field availability of laser wind-finding radar

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] The technical solutions of the present application will be clearly and completely described below in conjunction with the accompanying drawings and the embodiments of the present application.

[0032] In order to truly use the lidar for wind turbine control, the lidar itself needs to have a high on-site availability to cope with the complex climatic conditions on site, such as the reduction of aerosol particle content in the air after rain or sunny weather. The problem of weak back light signal.

[0033] In the first aspect, the present application provides a device for improving the on-site availability of LiDAR. The device is controlled by a precision servo system to accurately control the focus and return light distance of the telescope optical detection system.

[0034] first reference figure 1 , figure 1 A device for increasing the field availability of a LiDAR according to the application is shown. Such as figure 1 As shown, the device for improving the on-sit...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The application provides an apparatus for improving the field availability of a laser wind-finding radar. The apparatus is composed of a laser light source, an amplifier, an optical path combiner, a photodetector, and a telescope detector. The telescope detector consists of a zooming device including a first lens and a second lens; and one of the first lens and the second lens is configured to bemovable in the optical axis direction relative to the other lens. In addition, the application also provides a method for improving the field availability of a laser wind-finding radar. The apparatusand method have beneficial effects: with the zooming device, the signal-to-noise ratio and signal availability of the laser wind radar signal are improved obviously; and with the signal to noise ratiotechnique and the logic control, the minimum zooming frequency is realized, so that the system signal detection strength is improved.

Description

technical field [0001] The present application relates to a laser radar detection technology, in particular to a device and method for improving the on-site availability of laser wind radar. Background technique [0002] As a high-precision, high-performance advanced atmospheric wind measurement and telemetry technology, laser wind radar has been more and more used in the control and development of wind power energy and other fields. The existing laser wind measurement radar emits a laser beam with high spectral purity to the detection space. The aerosol particles in the atmosphere interact elastically with the laser beam. After the backscattered echo light signal is effectively received by the radar signal transceiver system, it passes through the high The sensitive photoelectric detection device receives and processes the spectrum signal, and can obtain information such as real-time changes in the wind field and wind speed in the detection space. Feed-forward control opti...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01S17/95G01S7/481
CPCG01S7/4818G01S17/95Y02A90/10
Inventor梁家宁吕飞郭晓明刘鹏陈潇吉凡刘海华齐闯
OwnerYUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD