Digital crosswind sensor for monitoring wind speed and wind direction of crosswind

A sensor, digital technology, applied in the field of sensors, can solve the problems of large size, low measurement accuracy, lack of communication ports, etc.

Inactive Publication Date: 2010-12-22
XI AN JIAOTONG UNIV
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The traditional cross-wind sensor mainly adopts a heated cross-wind sensor, which is developed according to the principle of uneven heat distribution when the airflow flows. This kind of cross-wind sensor has the defects of large volume, high power consumption, slow response speed, and low m

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  • Digital crosswind sensor for monitoring wind speed and wind direction of crosswind
  • Digital crosswind sensor for monitoring wind speed and wind direction of crosswind

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Embodiment Construction

[0012] The present invention will be described in more detail below with reference to the accompanying drawings.

[0013] As shown in the drawings, a digital cross-wind sensor for monitoring the wind speed and direction of the cross-wind includes a probe 1, which is a cylinder with a closed top and a hollow inside, on the side wall of the hollow main body. There are a first round hole 7, a second round hole 8, a third round hole 10, and a fourth round hole 11. The first round hole 7 and the second round hole 8 have the same height, while the third round hole 10 and the fourth round hole have the same height. The height of the round holes 11 is the same, the third round hole 10 is connected with one end of the first hose 12, the fourth round hole 11 is connected with one end of the second hose 13; the other end of the first hose 12 is connected with the second hose 13. The other end is respectively connected with the first vent port 14 and the second vent port 15 of the differe...

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Abstract

The invention relates to a digital crosswind sensor for monitoring the wind speed and the wind direction of crosswind, comprising a probe, a differential pressure sensor, a temperature sensor, a microprocessor and a signal conversion interface, wherein a differential pressure signal is sensed by the differential pressure sensor according to the air pressure change caused by ambient air flow of a part to be measured, converted into a corresponding air speed value according to a certain formula and transmitted to an upper computer through a signal conversion interface for display; the differential pressure sensor has the advantages of high sensitivity and high measurement precision due to the adoption of a micro-electronic chip; the temperature sensor is used for monitoring ambient temperature changes in real time and further converting the changes into an air density value under a corresponding condition so as to correct the air density value in real time, thereby overcoming the defect that the temperature sensor is greatly influenced by the ambient temperature and has lower measurement precision; the microprocessor has strong vibration and interference resistance by using a digital filtering algorithm; the signal conversion interface has good expansibility; and in addition, the used part is formed by assembling small-packaging low-power consumption electronic devices, and has small size and low power consumption.

Description

technical field [0001] The invention relates to a sensor, in particular to a digital cross-wind sensor for monitoring the wind speed and direction of the cross-wind. Background technique [0002] At present, the crosswind sensor that monitors the wind speed and direction of the crosswind is mainly used in the military field. , provided to the computer to adjust the artillery shooting elements, improve the ballistic calculation accuracy and the first hit rate. [0003] The traditional cross-wind sensor mainly uses a heated cross-wind sensor, which is developed based on the principle of uneven heat distribution during airflow. This cross-wind sensor has the defects of large size, high power consumption, slow response speed and low measurement accuracy. In addition, the heated cross-wind sensor is easily affected by the external ambient temperature during measurement, and its use range is limited. Moreover, it lacks a communication port and cannot be connected to other devices...

Claims

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Application Information

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IPC IPC(8): G01P5/14G01P13/02
Inventor 周庆飞徐明龙
Owner XI AN JIAOTONG UNIV
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