CN201021943Y - A siphon calibration negative digital rainfall meter - Google Patents
A siphon calibration negative digital rainfall meter Download PDFInfo
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- CN201021943Y CN201021943Y CNU2007200344334U CN200720034433U CN201021943Y CN 201021943 Y CN201021943 Y CN 201021943Y CN U2007200344334 U CNU2007200344334 U CN U2007200344334U CN 200720034433 U CN200720034433 U CN 200720034433U CN 201021943 Y CN201021943 Y CN 201021943Y
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Abstract
The utility model discloses a hyetometer suitable for rainfall detection of meteorological, hydrological and flood-proofing departments. Aiming at the defects that a prior tipping-bucket rain gage is low in accuracy, the measuring error of a siphon rainfall recorder needs manual modification, and digital measurement can not be realized, the utility model provides a siphon modification digital hyetometer which can realize long-term rainfall measurement in the unattended state, and the comprehensive measurement accuracy of the utility model is between -2 percent and +2 percent. The utility model comprises a rain collecting component and a rain collecting barrel which is provided inside with a tipping bucket component, a siphon component and an electric control component, the tippling bucket component is arranged below the collecting funnel of the rain collecting component and above the siphon component, the tipping bucket component and the siphon component are communicated by a drainage funnel and a honeycomb duct, the drainage funnel is arranged below the tipping bucket component, the bottom of the drainage funnel is connected with one end of the honeycomb duct, and the other end of the honeycomb duct is inserted into the bottom of the siphon barrel of the siphon component.
Description
Technical field
The utility model relates to a kind of rain gage, applicable to the demand of meteorological department's weather forecast business and service; Can satisfy the hydrometric station of hydrology department or entrust the requirement of station the rainfall information long term monitoring; Can be used for of the real-time monitoring of flood control department to rainfall; Also can carry out rainfall and raininess observation for scientific research department.
Background technology
Existing commonly used rainfall is in respect of tipping bucket type and hydrocone type, and tilting bucket rain close rainfall amount measurement result of rainfall intensity for calibration the time has higher precision, but rainfall intensity tangible error will not occur simultaneously when actual rainfall intensity and calibration.For siphon rainfall recorder, because the rainfall amount of siphonic process can't be measured, measuring error need manually be corrected, and can not realize digitizing rainfall measurement.
Summary of the invention
The utility model provides a kind of siphon correcting digital rain gage at present prior art situation, and this rain gage has fully utilized the advantage of tipping bucket metering and siphon metering, and the measuring accuracy height has been realized automatic measurement and data-storing.
The purpose of this utility model realizes by following measure:
A kind of siphon correcting digital rain gage, it comprises holds rain parts, rain cylinder, it is characterized in that being provided with in the rain cylinder tipping bucket parts, siphon parts and Electronic Control components and parts, described tipping bucket parts are arranged on the collecting funnel below and the siphon parts top of holding the rain parts, be communicated with mozzle by the water receiving funnel between described tipping bucket parts and the siphon parts, this water receiving funnel is arranged at tipping bucket parts below, its bottom links to each other with described mozzle one end, and the other end of described mozzle inserts the siphon bucket bottom of siphon parts.
Rain cylinder of the present utility model is provided with the convenient door of opening, and door is provided with view window.
Describedly hold rain container, solar panels, collecting funnel, the screen pack that the rain parts comprise top, and the water drain funnel of bottom and water container; Described tipping bucket parts comprise tipping bucket, magnet steel, magnetosensitive switch; Described siphon parts comprise siphon bucket, U trap, siphon inductive needle, and the siphon inductive needle is positioned at the bottom of suction pipe.
Described Electronic Control components and parts comprise accumulator, cpu controller, storer, display, tipping bucket sensor, siphon sensor and communication module; The signal input part of tipping bucket sensor links to each other with the magnetosensitive switch, and signal output part connects the signal input part of cpu controller; The signal input part of siphon inductor is an inductive needle, the signal input part of output termination cpu controller; The input of storer, output link to each other with cpu controller, and the signal output part of cpu controller links to each other with display and other communication module respectively.
Above-mentioned cpu controller adopts the MSP430 type; Storer adopts the AT45DB041 type; Display-type adopts TS12864 type LCD.
The utility model has following advantage compared to existing technology:
It is very big that existing tilting bucket rain is subjected to raininess to influence measuring error, siphon rainfall recorder can not the digitizing rainfall, also can't measure the rainfall amount in the siphonic process, and take place generally speaking in the siphonic process just in rainfall, in order to reduce the rainfall measuring error of siphonic process, the regulation and stipulation siphonic process time should be less than 14 seconds, and measuring error need manually be carried out siphon and be corrected.The utility model rain gage utilizes tipping bucket metering rainfall, error with accurate siphon variable correction tipping bucket, combine the advantage of tipping bucket metering and siphon metering, siphon correcting digital rain gage has very high precision, can measure for a long time under the unmanned situation.
Rain gage of the present utility model is used for nature precipitation process measurement, the measuring accuracy height, and function is many, applicable to the demand of meteorological department's weather forecast business and service; Can satisfy the hydrometric station of hydrology department or entrust the requirement of station the rainfall information long term monitoring; Can be used for of the real-time monitoring of flood control department to rainfall; Can carry out rainfall and raininess observation for scientific research department.The apolegamy communications component can be formed complete rainfall automatic telemetry station, and other monitoring equipment also can obtain switching value or digital quantity signal from the utility model rain gage output interface, and rainfall resolution can be set arbitrarily between 0.1mm-10mm.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a control circuit theory diagram of the present utility model.
Fig. 3 is the utility model course of work block diagram.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing:
Among the figure: 1, rain container, 2, solar panels, 3, collecting funnel, 4, screen pack, 5, water drain funnel, 6, water container, 7, tongue tube, 8, magnet steel, 9, tipping bucket, 10, the water receiving funnel, 11, mozzle, 12, siphon bucket, 13, U trap, 14, air level, 15, view window, 16, door, 17, accumulator, 18, siphon inductive needle, 19, the Electronic Control components and parts, 20, rain cylinder.
As shown in Figure 1, siphon correcting digital rain gage of the present utility model, it comprises holds rain parts, rain cylinder 20, is provided with tipping bucket parts, siphon parts and Electronic Control components and parts 19 in the rain cylinder 20, rain cylinder 20 is provided with the convenient door of opening 16, and door is provided with view window 15.Hold rain container 1, solar panels 2, collecting funnel 3, screen pack 4 that the rain parts comprise top, and the bottom is positioned at the water drain funnel 5 and water container 6 of siphon parts below.The tipping bucket parts comprise tipping bucket 9, magnet steel 8, tongue tube (being the magnetosensitive switch).The siphon parts comprise siphon bucket 12, U trap 13, siphon inductive needle 18, and siphon inductive needle 18 is positioned at the bottom of U trap 13.The Electronic Control components and parts comprise accumulator 17, cpu controller, storer, display, tipping bucket sensor, siphon sensor and communication module.
Tipping bucket parts of the present utility model are arranged on collecting funnel 3 belows and the siphon parts top of holding the rain parts, be communicated with mozzle 11 by water receiving funnel 10 between described tipping bucket parts and the siphon parts, this water receiving funnel 10 is arranged at tipping bucket parts below, mozzle 11 upper ends are inserted in its bottom, siphon bucket 12 bottoms of siphon parts are inserted in the lower end of mozzle 11, and the horizontal level of siphon bucket 12 is adjusted by air level 14.It is the rain container reception natural rainfall of 200mm that the utility model adopts the actinal surface diameter, compiles the back and flows in the tipping bucket 9, can adopt the tipping bucket of 0.1mm, and the water yield in tipping bucket 9 reaches 3.14cm
3The time, tipping bucket 9 unstabilitys are rotated, be attached on the magnet steel 8 inswept magnetosensitive switches on the tipping bucket 9, produce a cpu controller and can detect make-and-break signal, this make-and-break signal is delivered to treatment circuit, and the water yield that tipping bucket 9 is poured out flows into siphon bucket 12 through water receiving funnel 10, the accumulative total rainfall makes water level rising in the siphon bucket 12, when the water level in the siphon bucket 12 reached U trap 13 tops, siphonage took place, with the rainwater emptying in the siphon bucket 12.The internal diameter of siphon bucket 12 is 63.25mm, and floorage is 1: 10 with rain container 1 open area ratio, highly is 150mm, when the accumulative total rainfall reaches 10mm, siphonic process takes place one time.
As shown in Figure 2, the signal input part of tipping bucket sensor of the present utility model links to each other with the magnetosensitive switch, and signal output part connects the signal input part of cpu controller MSP430; The signal input part of siphon inductor promptly is positioned at the siphon inductive needle 18 of U trap 13 bottoms, the signal input part of output termination cpu controller; The input of storer AT45DB041, output link to each other with cpu controller, and the signal output part of cpu controller links to each other with TS12864 type LCD and other communication module respectively.
Siphon correcting digital rain gage information acquisition process is finished by the MSP430CPU controller, after the tipping bucket action was arranged at every turn, cpu controller detected the course of action of magnetosensitive switch, writes down one time rainfall amount, calculated a period rainfall in per 1 minute, and carried out storing 1 minute period rainfall after the raininess correction.In the rainfall, the rainwater that tipping bucket is poured out flows into the siphon bucket, siphon bucket 12 middle water levels raise gradually, siphonage takes place when reaching U trap 13 tip positions, cpu controller is by detecting siphonic process, and the rainfall amount in the record siphonic process, the period rainfall amount in the double siphon period is carried out error correction.Siphon inductive needle 18 detects siphon to begin and the finish time, and cpu controller utilizes the high-precision siphon water yield that the rainfall of tipping bucket record is proofreaied and correct.The udometric resolution of siphon correcting digital is 0.1mm, can be under the continuous precipitation intensity situation of 0.01-5mm/min reliably working, influence is carried out after normal moveout correction to raininess, long-term integrated measurement accuracy is in ± 2%, output resolution ratio is provided with arbitrarily between 0.1mm-10mm, output relay make-and-break signal and standard 232 signals.
General tipping bucket sensor can be set rainfall output resolution ratio such as 0.1mm, 0.2mm, 0.5mm, 1mm or 10mm etc. arbitrarily, each tipping bucket 9 actions, the period rainfall of back to this tipping bucket exported in calculating from last time, reach output resolution ratio, then export switching value signal and accumulative total rainfall, gather transmission equipment for other and use.
When needs carried out than survey, the siphon drainage amount was collected in the water container and is measured, and the result of cpu controller record is surveyed in the school; Change water drain funnel, the siphon water yield is discharged to the rain gage outside, and siphon correcting digital rainfall of the present utility model is counted long-term unmanned stored digital rain gage, and the course of work of the present utility model as shown in Figure 3.
Error analysis
The evaporation error: the evaporation of tipping bucket water, the tipping bucket of employing 0.1mm, rainfall stops the maximum error 0.1mm because of the evaporation generation;
Siphonic process error: in the siphonage generating process, write down the tipping bucket action, the rainfall amount that takes place in the siphonic process is revised, so siphonic process does not produce error;
Other error: comprehensive all errors, get 0.6% as fabrication error, the error that produces during 5 ° of mounting shift angles is 0.4%, rainfall 10mm meter, evaporation error 1.0%, the error that gets wet 0.5% etc., the composition error 6:＜1.5% of rainfall amount.
By above calculating as can be known, rain gage of the present utility model influences raininess and carries out after normal moveout correction, and long-term integrated measurement accuracy is in ± 2%.
Claims (5)
1. siphon correcting digital rain gage, it comprises holds rain parts, rain cylinder, it is characterized in that being provided with in the rain cylinder tipping bucket parts, siphon parts and Electronic Control components and parts, described tipping bucket parts are arranged on the collecting funnel below and the siphon parts top of holding the rain parts, be communicated with mozzle by the water receiving funnel between described tipping bucket parts and the siphon parts, this water receiving funnel is arranged at tipping bucket parts below, its bottom links to each other with described mozzle one end, and the other end of described mozzle inserts the siphon bucket bottom of siphon parts.
2. rain gage according to claim 1 is characterized in that described rain cylinder is provided with the convenient door of opening, and door is provided with view window.
3. rain gage according to claim 1 is characterized in that describedly holding rain container, solar panels, collecting funnel, the screen pack that the rain parts comprise top, and the water drain funnel of bottom and water container; Described tipping bucket parts comprise tipping bucket, magnet steel, magnetosensitive switch; Described siphon parts comprise siphon bucket, U trap, siphon inductive needle, and the siphon inductive needle is positioned at the bottom of suction pipe.
4. rain gage according to claim 1 is characterized in that described Electronic Control components and parts comprise accumulator, cpu controller, storer, display, tipping bucket sensor, siphon sensor and communication module; The signal input part of tipping bucket sensor links to each other with the magnetosensitive switch, and signal output part connects the signal input part of cpu controller; The signal input part of siphon inductor is an inductive needle, the signal input part of output termination cpu controller; The input of storer, output link to each other with cpu controller, and the signal output part of cpu controller links to each other with display and other communication module respectively.
5. rain gage according to claim 4 is characterized in that described cpu controller adopts the MSP430 type; Storer adopts the AT45DB041 type; Display adopts TS12864 type LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200344334U CN201021943Y (en) | 2007-02-12 | 2007-02-12 | A siphon calibration negative digital rainfall meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200344334U CN201021943Y (en) | 2007-02-12 | 2007-02-12 | A siphon calibration negative digital rainfall meter |
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| CN201021943Y true CN201021943Y (en) | 2008-02-13 |
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| CNU2007200344334U Expired - Fee Related CN201021943Y (en) | 2007-02-12 | 2007-02-12 | A siphon calibration negative digital rainfall meter |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718881B (en) * | 2009-11-09 | 2011-01-05 | 中国计量学院 | Self-compensation remote siphon drainage type measuring method and device for rainfall capacity |
| CN101498793B (en) * | 2009-02-23 | 2011-04-27 | 福建省大气探测技术保障中心 | Rainfall amount calibration device |
| CN103176224A (en) * | 2013-03-14 | 2013-06-26 | 舟山市水利水务围垦局 | Novel siphon rain gauge |
| CN104237974A (en) * | 2014-09-11 | 2014-12-24 | 河海大学 | Siphon throttling tipping bucket rain gauge |
| CN108828693A (en) * | 2018-06-27 | 2018-11-16 | 郑州赫恩电子信息技术有限公司 | A kind of intelligent testing apparatus for precipitation rain fall based on computer vision |
| CN108873108A (en) * | 2018-05-08 | 2018-11-23 | 河海大学 | One kind can trace to the source tilting bucket rain and its measurement method |
| CN109633791A (en) * | 2019-02-13 | 2019-04-16 | 水利部交通运输部国家能源局南京水利科学研究院 | A method of measuring and calculating flood-discharge atomizing rainfall |
| CN110208883A (en) * | 2019-06-11 | 2019-09-06 | 河海大学 | A kind of double skip signal comparison unit and method |
| CN114442201A (en) * | 2022-01-24 | 2022-05-06 | 张锦霞 | Intelligent rainfall measuring rain gauge |
-
2007
- 2007-02-12 CN CNU2007200344334U patent/CN201021943Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498793B (en) * | 2009-02-23 | 2011-04-27 | 福建省大气探测技术保障中心 | Rainfall amount calibration device |
| US20120253675A1 (en) * | 2009-11-01 | 2012-10-04 | China Jiliang University | Method and apparatus for remote siphon drainage type rainfall measurement with self-compensation function |
| US9588253B2 (en) * | 2009-11-09 | 2017-03-07 | China Jiliang University | Method and apparatus for remote siphon drainage type rainfall measurement with self-compensation function |
| WO2011054235A1 (en) * | 2009-11-09 | 2011-05-12 | 中国计量学院 | Siphon drainage type rainfall remote-measurement device and method with self-compensation function |
| CN101718881B (en) * | 2009-11-09 | 2011-01-05 | 中国计量学院 | Self-compensation remote siphon drainage type measuring method and device for rainfall capacity |
| EP2500751A4 (en) * | 2009-11-09 | 2017-05-17 | China Jiliang University | Siphon drainage type rainfall remote-measurement device and method with self-compensation function |
| CN103176224A (en) * | 2013-03-14 | 2013-06-26 | 舟山市水利水务围垦局 | Novel siphon rain gauge |
| CN103176224B (en) * | 2013-03-14 | 2015-01-21 | 舟山市水利水务围垦局 | Novel siphon rain gauge |
| CN104237974B (en) * | 2014-09-11 | 2016-06-01 | 河海大学 | A kind of siphon throttling tipping bucket udometer |
| CN104237974A (en) * | 2014-09-11 | 2014-12-24 | 河海大学 | Siphon throttling tipping bucket rain gauge |
| CN108873108A (en) * | 2018-05-08 | 2018-11-23 | 河海大学 | One kind can trace to the source tilting bucket rain and its measurement method |
| CN108828693A (en) * | 2018-06-27 | 2018-11-16 | 郑州赫恩电子信息技术有限公司 | A kind of intelligent testing apparatus for precipitation rain fall based on computer vision |
| CN108828693B (en) * | 2018-06-27 | 2020-11-06 | 江苏禹润智能科技有限公司 | Intelligent rainfall detection equipment based on computer vision |
| CN109633791A (en) * | 2019-02-13 | 2019-04-16 | 水利部交通运输部国家能源局南京水利科学研究院 | A method of measuring and calculating flood-discharge atomizing rainfall |
| CN109633791B (en) * | 2019-02-13 | 2023-12-29 | 水利部交通运输部国家能源局南京水利科学研究院 | Method for measuring and calculating atomization rainfall of flood discharge |
| CN110208883A (en) * | 2019-06-11 | 2019-09-06 | 河海大学 | A kind of double skip signal comparison unit and method |
| CN114442201A (en) * | 2022-01-24 | 2022-05-06 | 张锦霞 | Intelligent rainfall measuring rain gauge |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080213 Termination date: 20100212 |