CN115494564A - Double-measuring-cylinder high-precision intelligent rainfall gauge and method - Google Patents
Double-measuring-cylinder high-precision intelligent rainfall gauge and method Download PDFInfo
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- CN115494564A CN115494564A CN202211057418.7A CN202211057418A CN115494564A CN 115494564 A CN115494564 A CN 115494564A CN 202211057418 A CN202211057418 A CN 202211057418A CN 115494564 A CN115494564 A CN 115494564A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/52—Weighing apparatus combined with other objects, e.g. furniture
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
A double-measuring-cylinder high-precision intelligent rain gauge and a method mainly comprise a standard rain gauge outer cylinder, wherein an inner rain bearing cylinder is arranged below a water inlet pipe of the standard rain gauge outer cylinder, the bottom end of the inner rain bearing cylinder is installed on a first support through a first weighing sensor, and the first support is fixed on an outer rain bearing cylinder; a liquid outlet with a first miniature electromagnetic valve is arranged on one side of the inner rain bearing cylinder, and the liquid outlet points to the inside of the outer rain bearing cylinder; the bottom end of the outer rain bearing barrel is installed on the second support through a second weighing sensor, and one side of the outer rain bearing barrel is provided with a liquid discharge port with a second micro electromagnetic valve. The double-measuring-cylinder high-precision intelligent rain gauge and the method provided by the invention can improve the precision of the acquired data.
Description
Technical Field
The invention relates to a rain gauge, in particular to a double-measuring-cylinder high-precision intelligent rain gauge and a method.
Background
The rain gauge is an instrument for measuring the rainfall in a certain area within a period of time, and a siphon type and a tipping bucket type are common. The siphon rain gauge consists of rain bearing unit, float chamber, self-metering clock, siphon pipe, etc. and has the main working principle of producing siphon effect to drain rain water automatically when the rain amount in the float chamber reaches certain amount. The disadvantage is that it is not intelligent enough; when water is drained, the rainfall after the period of water drainage is inevitably drained together, and errors are caused. The tipping bucket rain gauge is composed of a rain bearing device, a tipping bucket device, a water storage device and a shell. When the automatic dumping device works, rainwater falls into the dumping device through the rainwater bearing device, and when accumulated water reaches a certain amount, the dumping device loses balance and is turned over. The defect is that the tipping device has the phenomenon of untimely turning when encountering heavy rain and extra heavy rain, thereby causing data loss.
Disclosure of Invention
The invention aims to solve the technical problem of providing a double-measuring-cylinder high-precision intelligent rain gauge and a method, solving the problems that the existing rain gauge is not accurate enough in data and data information cannot be observed in real time, and simultaneously expanding the range of rainfall measurement.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a double-measuring-cylinder high-precision intelligent rain gauge comprises a standard rain gauge outer cylinder, wherein an inner rain-bearing cylinder is arranged below a water inlet pipe of the standard rain gauge outer cylinder, the bottom end of the inner rain-bearing cylinder is installed on a first support through a first weighing sensor, and the first support is fixed on an outer rain-bearing cylinder; a liquid outlet with a first miniature electromagnetic valve is arranged on one side of the inner rain bearing cylinder, and the liquid outlet points to the inside of the outer rain bearing cylinder; the bottom end of the outer rain bearing barrel is mounted on the second support through a second weighing sensor, and one side of the outer rain bearing barrel is provided with a liquid outlet with a second micro electromagnetic valve.
The standard rainfall outer barrel comprises a funnel part, and the top end of the funnel part is provided with an insect-proof net; the funnel part is externally provided with a sheath part.
The first weighing sensor is connected with the single chip microcomputer through a first AD conversion module, and the second weighing sensor is connected with the single chip microcomputer through a second AD conversion module; the singlechip is connected with the cloud service platform through the wireless data transmitter.
A double-measuring-cylinder high-precision intelligent rainfall measurement method comprises the following steps:
step 1), collecting rainfall through a standard rainfall outer cylinder, then firstly flowing into an inner rain bearing cylinder, and carrying out real-time weighing measurement through a first weighing sensor at the bottom, wherein the measuring range of the inner rain bearing cylinder meets the rainfall in the range from light rain to medium rain;
step 2), when the rainfall intensity exceeds the middle rain, water of the inner rain bearing barrel flows into the outer rain bearing barrel through the first miniature electromagnetic valve, and is weighed and measured in real time by the second weighing sensor at the bottom of the outer rain bearing barrel, and the measuring range of the outer rain bearing barrel meets the rainfall ranging from heavy rain to heavy rainstorm;
and 3) automatically starting a second miniature electromagnetic valve after the rainfall stops, discharging the water of the outer rain bearing barrel through the second miniature electromagnetic valve, and initializing the first weighing sensor and the second weighing sensor.
The invention discloses a double-measuring-cylinder high-precision intelligent rain gauge and a method, which have the following technical effects:
1) The inner rain bearing barrel and the outer rain bearing barrel are adopted for combined measurement, so that the inner rain bearing barrel can collect and measure in real time in a range from light rain to medium rain, and the inner barrel is high in precision; the rain can be collected and measured in real time by the outer rain bearing barrel in the range from heavy rain to heavy rainstorm, and the outer barrel has a large range; different cylinders are adjusted according to different rainfall amounts to carry out measurement, and the measurement result is guaranteed to be more accurate.
2) Through adopting AD conversion module, wireless data transmission ware, can be with direct wireless conveying to the high in the clouds behind the data real-time computation, convenient long-range looking over.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an electrical control schematic block diagram of the present invention.
In the figure: the rain gauge comprises a standard rainfall outer barrel 1, an inner rain bearing barrel 2, an outer rain bearing barrel 3, a first miniature electromagnetic valve 4, a first weighing sensor 5, a second weighing sensor 6, a second miniature electromagnetic valve 7, a second support 8, a single chip microcomputer 9, a second AD conversion module 10, a first support 11, a first AD conversion module 12 and a wireless data transmitter 13.
Detailed Description
As shown in figure 1, the double-measuring-cylinder high-precision intelligent rain gauge comprises a standard rain gauge outer cylinder 1, wherein the standard rain gauge outer cylinder 1 meets the standard specified in the 4 th part of a rainfall observation instrument, namely a weighing type rain gauge (SL/T811.4-2021). The top end of the standard rainfall outer cylinder 1 is funnel-shaped, and the installed insect-proof net can be detached and replaced. An inner rain bearing barrel 2 is placed below the funnel-shaped water inlet pipe, a first miniature electromagnetic valve 4 is installed at the bottom of the right side of the inner rain bearing barrel 2, a first weighing sensor 5 is installed at the bottom of the inner rain bearing barrel, and the first weighing sensor 5 is fixed on a first support 11 and connected with a first AD conversion module 12 through a lead. The first bracket 11 is welded on the inner wall of the outer rain-bearing barrel 3. The bottom end of the outer rain-bearing cylinder 3 is provided with a second weighing sensor 6 and a second micro electromagnetic valve 7, and the second weighing sensor 6 is fixed on a second bracket 8 and is connected with a second AD conversion module 10 through a wire. The singlechip 9 is fixed on the second bracket 8 and is respectively connected with the first AD conversion module 12, the second AD conversion module 10 and the wireless data transmitter 13 through wires.
The model of the first weighing sensor 5 is ZNLBM-IIX 0-1kg, and meets the national C-level standard requirement. The model of the second weighing sensor 6 is ZNLBM-IIX 0-6kg, and meets the national C-level standard requirement. The first weighing sensor 5 and the second weighing sensor 6 are of a closed structure, the rated load is not less than 1.1 times of the maximum load borne by the weighing sensors when the weighing type rain gauge works, the accuracy grade is not lower than the grade C in 4.6 of GB/T7551-2008, the maximum verification index is higher than the corresponding value of the maximum allowable error of the weighing type rain gauge, and the working conditions of air pressure and humidity meet the requirement of environmental adaptability of the weighing type rain gauge.
The standard rain gauge outer cylinder 1 needs to be subjected to moisture-proof treatment.
The model of the wireless data transmitter 13 is E840-DTU, the transmitted data can be wirelessly transmitted and displayed on a cloud platform, and the access of a webpage and a mobile phone APP can be realized.
The first AD conversion module 12 controls the first weighing sensor 5 to perform data filtering, and the second AD conversion module 10 controls the second weighing sensor 6 to perform data filtering, so that the rainfall resolution of 0.01-0.02mm in a range from light rain to medium rain and the rainfall resolution of 0.05-0.1mm in a range from heavy rain to heavy rain can be realized.
The type of the single chip microcomputer 9 is STM32F103C8T6.
The first miniature electromagnetic valve 4 and the second miniature electromagnetic valve 7 are both in the following types: normally open DC12V.
The working principle and the process are as follows: the double-measuring-cylinder high-precision intelligent rain gauge can measure small rain-heavy storm rain in real time at high precision through the inner rain bearing cylinder 2 and the outer rain bearing cylinder 3. The rainfall is collected through the standard rainfall outer barrel 1 and then flows into the inner rain bearing barrel 2 at first, real-time weighing measurement is carried out through the first weighing sensor 5 at the bottom, and the measuring range of the inner rain bearing barrel 2 meets the rainfall ranging from small rain to medium rain. When the rainfall intensity exceeds the medium rain, the water in the inner rain bearing barrel 2 flows into the outer rain bearing barrel 3 through the first miniature electromagnetic valve 4, and is weighed and measured in real time by the second weighing sensor 6 at the bottom of the outer rain bearing barrel 3, and the measuring range of the outer rain bearing barrel 3 meets the rainfall ranging from heavy rain to heavy rainstorm. And when the rainfall stops, automatically starting the second miniature electromagnetic valve 7, discharging the water of the outer rain-bearing barrel 3 through the second miniature electromagnetic valve 7, and initializing the first weighing sensor 5 and the second weighing sensor 6.
Claims (4)
1. The utility model provides a two graduated flask high accuracy intelligence rain gauge which characterized in that: the rain gauge comprises a standard rainfall outer barrel (1), wherein an inner rain bearing barrel (2) is arranged below a water inlet pipe of the standard rainfall outer barrel (1), the bottom end of the inner rain bearing barrel (2) is installed on a first support (11) through a first weighing sensor (5), and the first support (11) is fixed on an outer rain bearing barrel (3); a liquid outlet with a first miniature electromagnetic valve (4) is arranged on one side of the inner rain bearing cylinder (2), and the liquid outlet points to the inside of the outer rain bearing cylinder (3); the bottom end of the outer rain bearing cylinder (3) is installed on the second support (8) through a second weighing sensor (6), and a liquid discharge port with a second micro electromagnetic valve (7) is arranged on one side of the outer rain bearing cylinder (3).
2. The dual-measuring-cylinder high-precision intelligent rain gauge according to claim 1, characterized in that: the standard rainfall outer barrel (1) comprises a funnel part (1.1), and the top end of the funnel part (1.1) is provided with an insect-proof net; the outer part of the funnel part (1.1) is provided with a sheath part (1.2).
3. The dual-measuring-cylinder high-precision intelligent rain gauge according to claim 1, characterized in that: the first weighing sensor (5) is connected with the single chip microcomputer (9) through a first AD conversion module (12), and the second weighing sensor (6) is connected with the single chip microcomputer (9) through a second AD conversion module (10); the singlechip (9) is connected with the cloud service platform through a wireless data transmitter (13).
4. The method for measuring rainfall of the double-measuring-cylinder high-precision intelligent rain gauge according to any one of claims 1 to 3, wherein the method comprises the following steps:
step 1), collecting rainfall through a standard rainfall outer cylinder (1), then firstly flowing into an inner rain bearing cylinder (2), and carrying out real-time weighing measurement through a first weighing sensor (5) at the bottom, wherein the measuring range of the inner rain bearing cylinder (2) meets the rainfall ranging from light rain to medium rain;
step 2), when the rainfall intensity exceeds the middle rain, water in the inner rain bearing barrel (2) flows into the outer rain bearing barrel (3) through the first miniature electromagnetic valve (4), and is weighed and measured in real time by the second weighing sensor (6) at the bottom of the outer rain bearing barrel (3), and the measuring range of the outer rain bearing barrel (3) meets the rainfall ranging from heavy rain to heavy rainstorm;
and 3) after the rainfall stops, automatically starting a second miniature electromagnetic valve (7), discharging water of the outer rain bearing barrel (3) through the second miniature electromagnetic valve (7), and initializing a first weighing sensor (5) and a second weighing sensor (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211057418.7A CN115494564A (en) | 2022-08-31 | 2022-08-31 | Double-measuring-cylinder high-precision intelligent rainfall gauge and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211057418.7A CN115494564A (en) | 2022-08-31 | 2022-08-31 | Double-measuring-cylinder high-precision intelligent rainfall gauge and method |
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| CN115494564A true CN115494564A (en) | 2022-12-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116226606A (en) * | 2023-05-05 | 2023-06-06 | 安徽省大气探测技术保障中心 | Unmanned automatic weather station rainfall data quality control method and system |
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2022
- 2022-08-31 CN CN202211057418.7A patent/CN115494564A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116226606A (en) * | 2023-05-05 | 2023-06-06 | 安徽省大气探测技术保障中心 | Unmanned automatic weather station rainfall data quality control method and system |
| CN116226606B (en) * | 2023-05-05 | 2023-07-04 | 安徽省大气探测技术保障中心 | Unmanned automatic weather station rainfall data quality control method and system |
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