Portable earth surface roughness measuring instrument

A technology of surface roughness and measuring instruments, which is applied in the direction of measuring devices, instruments, and optical devices

Inactive Publication Date: 2012-07-18
REMOTE SENSING APPLIED INST CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Both digital camera method and laser scanning method have very high measurement accuracy, and both belong to non-contact measurement methods, but the conventional digital camera method can only obtain 2D image information

Method used

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  • Portable earth surface roughness measuring instrument
  • Portable earth surface roughness measuring instrument
  • Portable earth surface roughness measuring instrument

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Embodiment Construction

[0030] The specific embodiments of the present invention will be described in further detail below in conjunction with the drawings and embodiments. The following examples are used to illustrate the present invention, but not to limit the scope of the present invention.

[0031] Combine Figure 1 to Figure 3 As shown, the embodiment of the present invention provides a portable surface roughness measuring instrument, including: a horizontal rotation drive 1, a specific horizontal rotation drive 1 can be composed of a bearing, a bearing seat, a horizontal rotation motor; and the output end of the horizontal rotation drive 1 The radial moving arm 2 is connected and can rotate horizontally with it as the center; the radial moving arm 2 is provided with a sliding block 3 that can move along its length; the sliding block 3 is fixedly connected with a distance measuring device 4 for measuring The distance between the upper and lower cushion surfaces 7 in the vertical direction; the por...

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Abstract

The invention discloses a portable earth surface roughness measuring instrument, comprising a horizontal rotation driving device and a radial moving arm which is connected with the output terminal of the horizontal rotation driving device and can horizontally rotate by taking the output terminal as the center as well as a controller, wherein the radial moving arm is provided with a sliding block which can move along length direction of the radial moving arm; the sliding block is fixedly connected with a distance measuring device and is used for measuring a distance between the sliding block and an upper cushion surface in vertical direction and a distance between the sliding block and a lower cushion surface in the vertical direction; and the controller is used for controlling rotation output of the horizontal rotation driving device, moving of the sliding block on the radial moving arm and starting of the distance measuring device, receiving a measuring result of the distance measuring device, calculating an earth surface roughness result according to a program preset in the distance measuring device and displaying, storing and sending data. The portable earth surface roughness measuring instrument disclosed by the invention has a simple mechanical structure, low cost and high measurement accuracy, is light, handy and portable and can be applied to measurement on the earth surface roughness of the lower cushion surface in agriculture, soil science, weather and climate predication, geology, microwave remote sensing and other fields.

Description

Technical field [0001] The invention relates to the field of remote sensing ground measuring instruments, in particular to a portable automatic measuring instrument for surface roughness. Background technique [0002] The surface geometric roughness can be described by the surface root mean square height s and the autocorrelation length l. These two parameters limit the surface roughness on the vertical and horizontal scales to obtain a more representative root mean square height. The correlation length is one of the determinants of the correctness of the backscatter calculation on the ground. [0003] Surface geometric roughness has important applications in agriculture, soil science, weather and climate prediction, and geology. In agriculture and soil science, roughness affects infiltration, flooding and soil erosion processes; in climate and weather forecasting, soil storage and evaporation of water also depend on the surface roughness; in geology, it can be based on the surfac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/30
Inventor 柳钦火肖青施建成杨习荣孙刚闻建光黄华兵
Owner REMOTE SENSING APPLIED INST CHINESE ACAD OF SCI
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