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Automatic system for measuring starting and wind speed characteristics of cup type wind speed sensor

A wind speed sensor and automation system technology, applied in the field of automation systems, can solve the problems of inaccurate inspection of the overall performance of the wind speed sensor, and achieve the effects of simple structure, low measurement cost and high measurement accuracy

Active Publication Date: 2015-12-09
ZHONGHUAN TIG TIANJIN METEOROLOGICAL INSTR
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Therefore, the conventional method cannot accurately test the overall performance of the wind speed sensor

Method used

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  • Automatic system for measuring starting and wind speed characteristics of cup type wind speed sensor
  • Automatic system for measuring starting and wind speed characteristics of cup type wind speed sensor
  • Automatic system for measuring starting and wind speed characteristics of cup type wind speed sensor

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with accompanying drawing:

[0014] refer to figure 1 , the small wind tunnel generating device of this system is set as a cylinder, including anemometer 101, upper cover 102, guide sleeve 103, outer cover 104, DC blower A105, DC wind B114, base 108 and base 110; base 108 is circular The bottom plate is made of metal material; the guide sleeve 103 is installed on the base 108, the upper cover 102 is provided with an air outlet 117, the anemometer 101 is installed on the upper cover 102, the upper cover 102 is installed on the guide sleeve 103, and the upper cover 102 Made of plastic or glass-type transparent material; the bottom of the outer cover 104 is in close contact with the base 108, the upper end of the outer cover 104 is in close contact with the upper cover 102, and the two sides of the bottom of the outer cover 104 are respectively provided with symmetrical air inlets 106. A DC fan A105 and ...

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Abstract

The invention discloses an automatic system for measuring starting and wind speed characteristics of a cup type wind speed sensor. The system includes a miniature wind tunnel generation device and a wind speed calibration instrument. The miniature wind tunnel generation device simulates wind speed of 0 to 10 m / s inside through a direct current fan to measure a starting wind speed characteristic and 0 to 10 m / s wind speed characteristics of the cup type wind speed sensor. The wind speed calibration instrument drives a wind speed sensor shaft to rotate through a driving device inside the wind speed calibration instrument to measure high wind speed section 10 to 40 m / s wind speed characteristics of the sensor. The system design has the characteristics of simple structure, small size, high measurement accuracy, good field use effect, lower measurement cost and the like. On the premise that appearance, rotation performance and a balance characteristic of a wind cup are qualified, through starting wind speed detection, an instrument whose resistance characteristic of the wind cup of the wind speed sensor is unqualified can be eliminated, repair is convenient, and the percent of pass of the instrument is guaranteed. After the starting wind speed detection is qualified, wind speed indicating value calibration is performed, thereby obtaining accurate wind speed characteristics.

Description

technical field [0001] The invention relates to a meteorological measuring instrument, in particular to an automatic system for measuring the start-up and wind speed characteristics of a cup-type wind speed sensor. Background technique [0002] The cup-type wind speed sensor is a highly sensitive and demanding meteorological instrument. After working for a period of time, the instrument usually needs to be started, the wind speed calibrated and its accuracy checked. The conventional method is to send the wind speed sensor to a national or provincial measurement unit, and use a wind tunnel for testing, which is a waste of time, manpower and financial resources. Usually, the detection of wind speed sensor is mainly to test the performance of the sensor by driving the shaft of the wind speed sensor through the motor, ignoring the role of the wind cup on the sensor. Therefore, conventional methods cannot accurately test the overall performance of the wind speed sensor. Conten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01W1/18G01P21/02
Inventor 董猛张有为刘李林弘扬周悦瑢
Owner ZHONGHUAN TIG TIANJIN METEOROLOGICAL INSTR
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