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Ultrasonic wind sensor with heating function

A wind sensor and ultrasonic technology, applied in the field of ultrasonic wind sensors, can solve problems affecting the detection results of ultrasonic wind sensors, freezing of water in ultrasonic wind sensors, affecting the normal operation of ultrasonic wind sensors, etc.

Inactive Publication Date: 2021-06-15
安徽气象信息有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In actual use, the ultrasonic wind sensor usually needs to be used outdoors. When the existing ultrasonic wind sensor is used outdoors, when the external environment temperature is too low, the normal operation of the ultrasonic wind sensor may be affected. At the same time, the external ambient temperature When it is too low, the water on the ultrasonic wind sensor may freeze, thus forming an ice layer that hinders the wind to a certain extent, and then affects the detection results of the ultrasonic wind sensor. In order to solve the above problems, an ultrasonic wind sensor with heating function is now provided. wind sensor

Method used

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  • Ultrasonic wind sensor with heating function
  • Ultrasonic wind sensor with heating function
  • Ultrasonic wind sensor with heating function

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0045] Step S1: Obtain the horizontal wind direction, mark the horizontal wind direction angle as a, and the range of a is (0°, 360°);

[0046] Step S2: When the horizontal wind direction a is 0°, the positive end of the communication cable 15 outputs a 50% duty cycle signal, and the negative end of the communication cable 15 outputs a high-level signal;

[0047] Step S3: Obtain the real-time output current of the communication cable 15, and mark the real-time output current of the communication cable 15 as I OUT ; The lower limit of the current output range of the communication cable 15 is marked as I MIN , mark the upper limit of the current output range of the communication cable 15 as I MAX , mark the upper limit of the range of wind speed detection as P MAX , mark the lower limit of the range of wind speed detection as P MIN ;

[0048] Step S4: By formula P OUT =α×(I OUT -I MIN )×(P MAX -P MIN ) / (I MAX -I MIN ) to obtain the actual wind speed monitoring value P...

example 2

[0051] Step S1: Obtain the horizontal wind direction, mark the horizontal wind direction angle as a, and the range of a is (0°, 360°);

[0052] Step S2: When the horizontal wind direction a is 90°, the positive end of the communication cable 15 outputs a high-level signal, and the negative end of the communication cable 15 outputs a 50% duty cycle signal;

[0053] Step S3: Obtain the real-time output current of the communication cable 15, and mark the real-time output current of the communication cable 15 as I OUT ; The lower limit of the current output range of the communication cable 15 is marked as I MIN , mark the upper limit of the current output range of the communication cable 15 as I MAX , mark the upper limit of the range of wind speed detection as P MAX , mark the lower limit of the range of wind speed detection as P MIN ;

[0054] Step S4: By formula P OUT =α×(I OUT -I MIN )×(P MAX -P MIN ) / (I MAX -I MIN ) to obtain the actual wind speed monitoring value ...

example 3

[0057] Step S1: Obtain the horizontal wind direction, mark the horizontal wind direction angle as a, and the range of a is (0°, 360°);

[0058] Step S2: When the horizontal wind direction a is 180°, the positive end of the communication cable 15 outputs a 50% duty cycle signal, and the negative end of the communication cable 15 outputs a low-level signal;

[0059] Step S3: Obtain the real-time output current of the communication cable 15, and mark the real-time output current of the communication cable 15 as I OUT ; The lower limit of the current output range of the communication cable 15 is marked as I MIN , mark the upper limit of the current output range of the communication cable 15 as I MAX , mark the upper limit of the range of wind speed detection as P MAX , mark the lower limit of the range of wind speed detection as P MIN ;

[0060] Step S4: By formula P OUT =α×(I OUT -I MIN )×(P MAX -P MIN ) / (I MAX -IMIN ) to obtain the actual wind speed monitoring value P ...

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Abstract

The invention discloses an ultrasonic wind sensor with a heating function, which comprises a shell, a mounting plate is arranged at an upper end of the shell, four support connecting columns are arranged on an upper end surface of the mounting plate and located at the edge, the four support connecting columns are of hollow structures, upper ends of the four support connecting columns are connected with a top cover, a compass is arranged on one side of the upper end of the top cover; four ultrasonic sensors are arranged on an upper end face of the mounting plate and located on the edge, and the four ultrasonic sensors are fixedly mounted among the four supporting connecting columns correspondingly; the top cover and the mounting plate are both in a disc shape, an edge of the top cover and an edge of the mounting plate incline downwards, a first heating strip is arranged in the top cover, a second heating strip is arranged in the mounting plate, the first heating strip corresponds to the downwards-inclined position of an edge of the top cover, and the second heating strip corresponds to the downwards-inclined position of the edge of the top cover; and the second heating strip corresponds to the downwards inclined part of the edge of the mounting plate.

Description

technical field [0001] The invention belongs to the technical field of wind force detection, in particular to an ultrasonic wind sensor with a heating function. Background technique [0002] Wind energy is the kinetic energy generated by air flow. The quality of the wind resources in the wind field always affects the operation of the wind turbine. Wind speed and wind direction are important factors in the wind field. The accuracy of the measurement directly affects the research on the characteristics of the wind field. The commonly used measurement methods of wind speed and direction mainly include wind vane, wind cup, wind wheel, ultrasonic wave, etc. At present, the measurement methods of wind speed and direction at home and abroad are mainly based on ultrasonic measurement method. Because of the advantages of simple installation, convenient maintenance, and It has the characteristics of high measurement accuracy and is widely used in industrial production and scientific e...

Claims

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Application Information

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IPC IPC(8): G01P5/24G01P13/02G01P1/00
CPCG01P5/245G01P13/02G01P1/006
Inventor 张脉惠戴晓慧谢党伍晓玲
Owner 安徽气象信息有限公司
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