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Suspended three-dimensional wind speed and direction sensor structure

A wind speed and direction, hanging type technology, applied in instrument, fluid speed measurement, speed/acceleration/shock measurement, etc., can solve problems such as unfavorable process and packaging, high power consumption of sensors, easy damage of structure, etc., and achieve environmental humidity and The effect of small temperature, change of measurement range, and improvement of measurement accuracy

Inactive Publication Date: 2014-01-22
SOUTHEAST UNIV
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  • Claims
  • Application Information

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Problems solved by technology

However, due to the high thermal conductivity of the silicon substrate, this type of sensor consumes a lot of power and has low sensitivity
Using the method of back etching or front etching to form a thermal insulation film can improve the sensitivity, but the structure is easily damaged, which is not conducive to the subsequent process and packaging

Method used

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  • Suspended three-dimensional wind speed and direction sensor structure
  • Suspended three-dimensional wind speed and direction sensor structure
  • Suspended three-dimensional wind speed and direction sensor structure

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] like figure 1 , figure 2 Shown is a pendant three-dimensional wind speed and direction sensor structure, including a base plate 1, two fixed base structures, a wind-sensing structure 8 that can be displaced by wind, and an elastic rope 7;

[0019] The fixed base structure includes a fixed base, the surface of the fixed base is covered with an elastic film sheet 11, a circular hole is opened at the corresponding position of the center of the fixed base and the elastic film sheet 11, and a deformable position of the elastic film sheet 11 is formed. A stress sensor is provided at the root of the

[0020] The side of the base plate 1 is fixed with one end of an L-shaped fixed support frame 9, the upper fixed base 22 is fixed with the other end of the fixed support frame 9, and the lower fixed base 21 is fixed in the middle of the base plate 1; The two fixed base...

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Abstract

The invention discloses a suspended three-dimensional wind speed and direction sensor structure. A central wind induction device is adopted, and a bottom elastic structure is driven to be correspondingly strained with wind speed and direction, so that a strain sensor fitting the elastic structure is deformed to generate an output. The suspended three-dimensional wind speed and direction sensor structure provided by the invention is simple in principle, can be used for monitoring three-dimensional wind speed and direction, and is convenient to mount, low in cost, low in temperature drift and suitable for the needs of portable and mobile measurement.

Description

technical field [0001] The invention relates to a wind speed and direction detection device, in particular to a pendant type three-dimensional wind speed and direction sensor structure. Background technique [0002] Wind speed and wind direction are very important parameters to reflect meteorological conditions, and have an important impact on environmental monitoring, air conditioning, and industrial and agricultural production. Therefore, it is of great practical significance to quickly and accurately measure wind speed and wind direction. Traditional wind cups and wind vanes are still widely used detection devices, but these mechanical devices are easy to wear due to moving parts, and at the same time have the disadvantages of large size, high price, and frequent maintenance. A typical ultrasonic wind speed sensor has a fixed position of the transmitting and detecting receiving heads, so the relative structure is also relatively large. The miniature thermal velocity sens...

Claims

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Application Information

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IPC IPC(8): G01P5/00G01P13/02
Inventor 秦明陈实胡世镔
Owner SOUTHEAST UNIV
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