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Rainfall measuring sensor without mechanical structure

A measurement sensor, non-mechanical technology, applied in the field of sensors, can solve problems such as poor reliability and inaccurate measurement of tipping bucket rain gauges, and achieve the effects of not easy mechanical damage, low power consumption, and high degree of intelligence

Inactive Publication Date: 2015-07-29
NORTHWEST UNIV(CN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the technical problems of inaccurate measurement and poor reliability of existing mechanical tipping bucket rain gauges, the present invention provides a rain gauge sensor without mechanical structure with accurate measurement and high reliability

Method used

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  • Rainfall measuring sensor without mechanical structure
  • Rainfall measuring sensor without mechanical structure
  • Rainfall measuring sensor without mechanical structure

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Embodiment Construction

[0022] Such as figure 2 with 3 As shown, the barrel capacitor 102 includes a corrosion-resistant insulating measuring cylinder 203, the outer wall of the corrosion-resistant insulating measuring cylinder 203 is connected with a metal foil 201, the stainless steel rod 202 is vertically connected to the bottom of the corrosion-resistant insulating measuring cylinder 203, and the stainless steel rod 202 is located on the corrosion-resistant insulating measuring cylinder 203. on the central axis of the graduated cylinder 203.

[0023] The length of the stainless steel rod 202 is the same as the height L of the corrosion-resistant insulating graduated cylinder 203 .

[0024] The metal foil 201 serves as the first electrode, that is, the external electrode. The stainless steel rod 202 serves as the second electrode, the inner electrode. The first lead wire 205 is connected to the metal foil 201 , and the second lead wire 206 is connected to the stainless steel rod 202 . A capac...

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Abstract

The invention relates to a rainfall measuring sensor without a mechanical structure, and solves the technical problems that existing mechanical tipping-bucket rain gauges are inaccurate in measurement and poor in reliability. The rainfall measuring sensor comprises a bucket type capacitor, a capacitance measurement circuit, a single-chip microcomputer and a liquid crystal display module. The capacitance measurement circuit is connected with the single-chip microcomputer. The liquid crystal display module is connected with the single-chip microcomputer. The bucket-type capacitor comprises a corrosion-resistant insulated measuring cylinder which is provided with an external wall and a cylinder bottom part. A metal foil is connected at the external wall of the corrosion-resistant insulated measuring cylinder. A stainless steel bar is perpendicularly connected at the cylinder bottom part of the corrosion-resistant insulated measuring cylinder. The stainless steel bar is positioned at the central axis of the corrosion-resistant insulated measuring cylinder. The metal foil and the stainless steel bar are respectively connected with the capacitance measurement circuit via lead wires. The rainfall measuring sensor without the mechanical structure is widely applied to the technical field of monitoring of rainfall and other liquid amount.

Description

technical field [0001] The invention relates to a sensor, in particular to a rain gauge sensor without a mechanical structure. Background technique [0002] As the environment continues to change, extreme and severe climate changes become more and more obvious, and people hope to monitor and count rainfall more frequently. Accurate determination of precipitation in a certain area in a certain period of time has scientific guiding significance for the analysis and prediction of climate change and weather conditions in the area, and can also provide effective theories for people's travel, crop growth and development, and protection of ancient ruins and cultural relics. in accordance with. [0003] At present, the rain sensor mainly uses a mechanical tipping bucket rain gauge, which has a relatively poor ability to measure rainfall changes, and due to mechanical corrosion and wear, it cannot accurately and quickly measure rainfall information if it is placed in the field for a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01W1/14
CPCG01W1/14
Inventor 来宝鹏邓周虎张雄王雪文闫军锋
Owner NORTHWEST UNIV(CN)
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