High-precision intelligent rain gauge
A rain gauge, high-precision technology, applied in the field of high-precision intelligent rain gauge, to achieve the effect of accurate and fast data collection, accurate and efficient data processing by PC, and improved work efficiency
Inactive Publication Date: 2016-06-01
CHINA THREE GORGES UNIV
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Problems solved by technology
In rainfall collection and monitoring, it is inevitable to use rain gauges. Faced with various types and prices of rain gauges on the market, it is difficult to find a rain gauge with simple structure, full-automatic and high precision.
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Embodiment Construction
[0012] Such as figure 1 As shown, a high-precision intelligent rain gauge includes a rain collecting bucket and a rain barrel 4, and the rain collecting bucket mainly plays the role of collecting rainwater. The rain collecting bucket is composed of a metal cylinder 1 and a funnel 2 located on the top of the thin metal cylinder. The entire metal cylinder covers the rain barrel 4 and sends rainwater into the rain barrel 4 through the funnel 2 . The rain barrel 4 is a bottom-sealed drum made of plexiglass, and a differential pressure transmitter and a solenoid valve are installed on the rain barrel 4 . The rain barrel 4 is mainly used to hold rainwater, and it is also the main device for rainwater automatic discharge and data signal acquisition.
[0013] A baffle 3 for supporting the metal cylinder is provided on the rain barrel 4, and the baffle 3 protects the differential pressure transmitter and the solenoid valve installed on the rain barrel 4, and the solenoid valve is a dr...
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The present invention provides a high-precision intelligent rain gauge. The high-precision intelligent rain gauge comprises a rain collector and a rain holding barrel; the rain collector is formed by a metal cylinder and a tunnel located at the top of the metal cylinder; the metal cylinder covers the rain holding barrel, and the rain holding barrel is a drum with a back cover made by synthetic glass; and the rain holding barrel is provided with a pressure difference transmitter and a solenoid valve. The rain holding barrel is provided with a baffle configured to support the metal cylinder, the pressure difference transmitter and the solenoid valve are connected with a digital acquisition card, and the digital acquisition card is connected with a PC. The high-precision intelligent rain gauge provided by the invention is simple in structure, low in production cost, accurate and fast in data acquisition, and short in acquisition interval, is able to sample frequency according to different acquisition cards, wherein the acquisition interval can be second even millisecond, and is convenient to use.
Description
technical field [0001] The invention discloses a high-precision intelligent rain gauge, which is used for collecting and monitoring rainfall. Background technique [0002] A rain gauge (or rain gauge, rain gauge) is an instrument used by meteorologists and hydrologists to measure the amount of precipitation in an area over a period of time. In recent years, more and more high-precision rain gauges have been designed and applied. At present, the main types of rain gauges are siphon telemetry rain gauges, tipping bucket rain gauges, photoelectric raindrop rain gauges, and weighing rain gauges. These rain gauges have been produced and have been finalized. If calibration or simple maintenance is required, it is extremely troublesome. Therefore, a rain gauge with a simple structure and high precision is needed. In rainfall collection and monitoring, it is inevitable to use rain gauges. Faced with various types and prices of rain gauges on the market, it is difficult to find a ra...
Claims
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IPC IPC(8): G01W1/14
Inventor 张华李茂曹金露张沣高抗胡文龙
Owner CHINA THREE GORGES UNIV