CN101630023A - Calibrating device of field calibration rainfall sensor - Google Patents
Calibrating device of field calibration rainfall sensor Download PDFInfo
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- CN101630023A CN101630023A CN200810012298A CN200810012298A CN101630023A CN 101630023 A CN101630023 A CN 101630023A CN 200810012298 A CN200810012298 A CN 200810012298A CN 200810012298 A CN200810012298 A CN 200810012298A CN 101630023 A CN101630023 A CN 101630023A
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Abstract
The invention relates to a calibrating device of a field calibration rainfall sensor. The calibrating device comprises an outer casing and a combined funnel, a counter and two water outlet pipes arranged inside the outer casing, wherein the top surface of the outer casing is provided with a great/small rain intensity water injection hole capable of simulating rain water flow speed, a reset button inlaid with a counter liquid crystal display screen and the counter as well as a conducting wire plug jack; the upper opening edge of the combined funnel is fixedly connected with the inner side circumference of the top surface of the outer casing; the inside of the combined funnel is provided with a middle clapboard; the upper end of the middle clapboard is propped on the inner side of the top surface of the outer casing, while the lower end is positioned on the bottom of the combined funnel; the middle clapboard and the combined funnel are formed into an integrated structure; and the bottom of the combined funnel is respectively provided with two water outlet pipes simulating great/small rain intensity flow speed, and the two water outlet pipes simulating the rain intensity flow speed and the combined funnel are formed into an integrated structure. The calibrating device has the advantages that the device has scientific design, compact structure and stable and reliable technical performance and can carry out field calibration of an ombrometer. Therefore, the calibrating device can be widely used in nation-wide observatories, hydrological stations, armies and scientific research institutions to carry out the field calibration of the rainfall sensors.
Description
Technical field
What the present invention relates to is the calibrating device of on-site proving measurement instrument, and what be specifically related to is the count value that can intuitively show rain sensor at the scene, reduces the manual operation error, carries and use all a kind of field calibration device of rain sensor very easily.
Background technology
Along with science and technology development and people's living standard, quality of life constantly improve, people have more and more paid close attention to weather conditions, and the work to meteorological department has also proposed higher, tighter requirement virtually.Single is the importance that example is set forth precision measurement and periodic calibrating with " rainfall " special topic just, by the daily rainfall data that monitors, can accumulate and calculate situation and the trend of Changes in weather and the possibility of generation flood of recent and following rainfall, for the people's daily life provides necessary believable information, for government's decision provides reliable foundation.This means that observation data to every rainfall should be suitable accurately, and the calibrating installation that also requires the rain sensor that the observation rainfall uses and be used for demarcating rain sensor all will guarantee to have enough precision, will regularly examine and determine and calibrate simultaneously.
Present calibration to rainfall amount surveying instrument and rain sensor, all be in factory or laboratory, to carry out, especially have for counting a lot of rain sensor or the weather station of remote mountain areas for general weather station, be inconvenient to that all a large amount of rain sensors is transported to specific office and go to demarcate and calibration.
And rainfall measurement instrument and sensor mostly are fixedly mounted on the observation site, do not allow to bring in principle to move, must remove even have no alternative but, usually all need to calibrate in carrying with after installing, in order to avoid zero point drift, range changes, so generally all need carry out at the scene the rain sensor calibration in using.
Meteorological station generally all adopts measuring cup way of pouring in sensor to demarcate.Yet, to simulate rainyly with pouring, this is two different notions, has ignored many internal factors, the data that draw are inaccurate, are to be difficult for the way that adopts.Because rainfall measurement instrument and rain sensor have certain requirement to rainfall amount intensity, the instrument that general meteorological station uses, rainfall intensity is no more than 4mm/min, manually adopts the way of measuring cup pouring to measure, intensity can not be controlled, artificial error must be produced.
Because of the rain sensor erecting stage have Ku Ba, have in some environment places such as river banks, it is a lot of that breadboard standard set-up utensil fills in the gaps to complete a chain, be not suitable for realizing field calibration, and the instrument of laboratory use and the demand of method of operating incompatibility on-site proving.
Because field calibration needs reading and meter record, and the function that sensor does not have field data to show, be merely able to utilize indoor acquisition system to carry out reading, and calibration data also needs to delete from the automatic weather station storer, caused certain trouble to field calibration.
So demand of the rainfall measurement instrument field calibration that existing correcting device incompatibility China increases sharply.China meteorological department does not also have a kind of rain sensor field calibration device simple to operate, easy to carry at present, is used for carrying out field calibration.
Summary of the invention
The objective of the invention is in order to solve the present problem that can not calibrate at the scene rain sensor, and provide a kind of simple to operate, easy to carry, raininess is fixed, can on-the-spotly show reading, can carry out field calibration to the rainfall measurement instrument at the scene at any time, meet the accuracy class requirement, the calibrating installation of on-site proving rain sensor that can widespread use.
The technical scheme that adopts is:
The calibrating installation of on-site proving rain sensor, comprise shell and be contained in the rising pipes of combination funnel in the shell, counter and two simulation raininess flow velocitys, the end face of described shell is provided with the heavy rain injection water hole and the light rain injection water hole of simulation rainwater flow velocity, is inlaid with the wire jack of counter liquid crystal display, reset button, connecting line on the end face of shell.
The upper brim of described combination funnel along with inside week of outer casing top surface along fixedlying connected, the combination funnel be in a circular funnel, being provided with every, formation is corresponding to two funnels of large and small raininess water injection hole, in every corresponding with the outer casing top surface diameter, in every the upper end replace inboard at outer casing top surface, in every the lower end be positioned at the bottom of combination drain bucket, in every being integrative-structure with circular funnel;
The corresponding respectively large and small raininess water injection hole in bottom of combination funnel is provided with the rising pipe of two large and small raininess flow velocitys of simulation, and the rising pipe of two simulation raininess flow velocitys is one with the combination funnel and is connected.
One week of outer casing bottom is provided with fin, can with mouthful inboard clamping mutually of being filled with water of rain sensor, be convenient to calibration to rain sensor, if desired rain sensor is adjusted, then need the outer bucket of rain sensor is taken off, adopt a support, support casing is located at the rain sensor outside, the lower end of support is provided with the base ring, and the upper end of support is provided with apical ring; The base ring of support firmly is placed on the base of rain sensor, the fin clamping mutually of the last apical ring of support and calibrating installation outer casing bottom, support plays the effect that is connected and fixed relatively, lay connect easy to use.
A side of counter liquid crystal display is provided with the reset button of counter on the end face of above-mentioned shell, and the opposite side of counter liquid crystal display is provided with the wire jack of connecting line.
Using method of the present invention and calibration steps:
The key issue that at first will solve at the beginning of the present invention's design is how to simulate greatly, the flow velocity of little raininess, it is conscientious promptly to pass through, careful calculating and experiment, it is big to draw simulation, the bore of light rain high current speed rising pipe, thereby realized successively from greatly, the water injection hole of little raininess injects the clear water of 10mm quantity of precipitation, successively big through the combination funnel from simulating, light rain high current speed rising pipe flows in the upset funnel of the rain sensor of being demarcated, whole precipitation process can be simulated the flow velocity that rainwater falls truly, the pulse that therefore rain sensor sends is received by counter and shows, compare with the theoretical count value of 10mm quantity of precipitation according to the counter displayed value, learn the rain sensor test error, can adjust according to error amount, to guarantee the accurate of rain sensor measurement data.
Concrete process of demarcating is:
1. the outer bucket with rain sensor takes off, and as shown in Figure 3, on the base that is sleeved on rain sensor that support is firm, calibrating installation is placed to above the support again, makes the last apical ring clamping mutually of fin with the support of calibrating installation shell.
2. No. 7 batteries of a joint are installed in the calibrating installation battery case, an end of two core connecting lines is connected on the binding post of rain sensor, another plug end is inserted in the wire jack of end face on calibrating installation.
3. press the calibrating installation reset button, make the zero clearing of calibrating installation counter reset.
4. light rain intensity sensor calibration.
With 10 millimeters clear water of splendid attire in the standard measuring cup, the light rain injection water hole of end face is injected from the prover, the rainfall intensity that calibrating installation will be simulated 1 millimeter splashes in the rain sensor clear water, unison counter begins counting, finishes when clear water all trickles, and counter stops counting, the numerical value that counter shows should equal 100, if counter shows that numerical value is not equal to 100, read the numerical value of counter, deduct reading value with 100 and obtain the difference of metering this time.This process repeats 3 times, and with the mean value of 3 numerical value as light rain the measuring error when strong, can adjust on-the-spot rain sensor according to the size of error.
5. heavy rain intensity sensor calibration
After carrying out the step of complete primary school raininess degree calibration, with counter O reset, 10 millimeters clear water of splendid attire in the standard measuring cup, inject from prover heavy rain injection water hole, calibrating installation splashes in the rain sensor clear water rainfall intensity that simulation approaches 4 millimeter, count test, when all trickling, clear water finishes, counter stops counting, counter shows that numerical value also should equal 100, if counter shows that numerical value is not equal to 100, read the numerical value of counter, deduct reading value with 100 and obtain the error of metering this time.This process repeats 3 times, opens the mean value with 3 numerical value, the measuring error during as big raininess.
When calibration result surpasses the error allowed band, and when belonging to systematic error character, must adjust sensor, must calibrate again after the adjustment, the measuring error until at little, big raininess the time all meets the regulation of vertification regulation.
6. after the rain sensor field calibration finishes, take off connecting line, calibrating installation is taken off above support gently, battery in the calibrating installation is taken out, calibrating installation, support, connecting line and measuring cup are put into case.With on the outer barreled of rain sensor and fix.
Characteristics of the present invention:
1, have stronger practicality: this machine is easy to carry, can on-the-spot reality demarcate in research stations such as reservoir dam district, river alongshore, remote mountain areas, and is simple to operate, very practical.
2, economic serviceability is strong: the calibration equipment structure that the present invention uses in relative laboratory is simple unusually, thereby has saved manufacturing cost, has alleviated the workload of daily servicing, has saved running cost, and use at the observatory of suitable various grades or station.
3, safe: simple to operate, in using and keeping in repair, do not have any potential safety hazard, there is not any pollution.
Design science of the present invention, reasonable, original, compact conformation, tight, easy to make, can in time calibrate corresponding rainfall measurement instrument at the scene, having numeral shows, observe intuitively, technical feature is reliable and stable, has development prospect preferably, the present invention can be widely applied to national meteorological station, hydrometric station, army, scientific research institution, carries out the field calibration of rain sensor.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is an inner structure synoptic diagram of the present invention.
Fig. 3 is embodiments of the invention one synoptic diagram.
Fig. 4 is a supporting structure synoptic diagram of the present invention.
Embodiment
Embodiment
The calibrating installation of on-site proving rain sensor comprises shell 2 and is contained in the rising pipes 10,13 of round combination funnel 11 in the shell 2, counter 9 and two simulation raininess flow velocitys; Combination funnel 11, shell 2 adopt insulating material to make through Mould Machining, the end face 4 of shell 2 is provided with the heavy rain injection water hole 7 and the light rain injection water hole 5 of simulation rainwater flow velocity, be inlaid with the liquid crystal display of counter 9 on the end face 4 of shell 2, one side of counter 9 liquid crystal displays is provided with the reset button 3 of counter 9, and the opposite side of counter 9 liquid crystal displays is provided with the wire jack 8 of connecting line.
The upper brim of described combination funnel 11 along with inside week of the end face 4 of shell 2 along fixedlying connected, in being provided with in the circular combination funnel 11 every 12, in corresponding every 12 with the diameter of outer casing top surface 4, in every the upper end replace inboard at outer casing top surface 4, in be positioned at the bottom of combination drain bucket every 12 lower end, in be integrative-structure every 12 with circular combination funnel 11;
The rising pipe 13 of the rising pipe 13 of corresponding respectively two the simulation heavy rain high current speed in the bottom of round combination funnel 11 and 10, two simulations of rising pipe raininess flow velocity of light rain high current speed and 10 with make up funnel 11 and be integrative-structure.The rising pipe 13 of two simulation raininess flow velocitys is different with 10 bore, adopts stainless steel material to make.
One week of shell 2 bottoms is provided with fin 1, when needs on-site proving rain sensor 14, at first the shell body of rain sensor 14 is removed, as shown in Figure 3, ad hoc support 15 is set in the outside of rain sensor 14, the lower end of support is provided with base ring 18, and the upper end of support is provided with apical ring 17; The base ring 18 of support 15 firmly is placed on the base of rain sensor 14, fin 1 clamping mutually of the last apical ring 17 of support 15 and calibrating installation shell of the present invention 2 bottoms, one end of special wire 16 is connected with the binding post of rain sensor 14, the other end of special wire 16 is plugged in the end face 4 upper conductor jacks 8 of shell 2 by plug, at this moment very convenient the demarcation, can be intuitively from counter 9 liquid crystal display reading displayed values, if discovery is overproof, easily adjustment is carried out in rain sensor 14 inside again.When if just routine is patrolled and examined, needn't remove the shell body of rain sensor 14, directly calibrating installation of the present invention is placed on rain sensor 14 tops, at this moment mouthful inboard clamping mutually that is filled with water on the fin 1 of calibrating installation outer casing bottom of the present invention and rain sensor 14 tops normally demarcates to heavy rain injection water hole 7 and 5 water fillings of light rain injection water hole respectively with regard to available measuring cup.
Be provided with bale handle 6 for being convenient for carrying on the top of shell 2.
Claims (3)
1, the calibrating installation of on-site proving rain sensor comprises shell (2) and is contained in rising pipe (10), (13) of round combination funnel (11) in the shell (2), counter (9) and two simulation raininess flow velocitys; It is characterized in that:
The end face (4) of described shell (2) is provided with the heavy rain injection water hole (7) and the light rain injection water hole (5) of simulation rainwater flow velocity, be inlaid with the liquid crystal display of counter (9) on the end face (4) of shell (2), be provided with the reset button (3) of counter (9) and the wire jack (8) of connecting line;
The upper brim of described combination funnel (11) along with inside week of shell (2) end face (4) along fixedlying connected, combination funnel (11) is every (12) in being provided with in a circular funnel, formation is corresponding to two funnels of large and small raininess water injection hole, in corresponding every (12) with shell (2) end face (4) diameter, in replace inboard every the upper end of (12) at shell (2) end face (4), in be positioned at the bottom of combination drain bucket (11) every the lower end of (12), in be integrative-structure every (12) with circular funnel (11);
The bottom of combination funnel (11) corresponding large and small raininess water injection hole (7) and (5) respectively is provided with two rising pipe (13) and (10) of simulating large and small raininess flow velocitys, and rising pipe (13) and (10) of two simulation raininess flow velocitys are integrative-structure with combination funnel (11).
2, the calibrating installation of on-site proving rain sensor according to claim 1 is characterized in that: above-mentioned shell (2) bottom be provided with fin (1) week.
3, the calibrating installation of on-site proving rain sensor according to claim 1, it is characterized in that: a side of last counter (9) liquid crystal display of the end face (4) of above-mentioned shell (2) is provided with the reset button (3) of counter, and the opposite side of counter (9) liquid crystal display is provided with the wire jack (8) of connecting line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100122982A CN101630023B (en) | 2008-07-14 | 2008-07-14 | Calibrating device of field calibration rainfall sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100122982A CN101630023B (en) | 2008-07-14 | 2008-07-14 | Calibrating device of field calibration rainfall sensor |
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| CN101630023A true CN101630023A (en) | 2010-01-20 |
| CN101630023B CN101630023B (en) | 2012-03-07 |
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| CN2008100122982A Expired - Fee Related CN101630023B (en) | 2008-07-14 | 2008-07-14 | Calibrating device of field calibration rainfall sensor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245980A (en) * | 2012-02-10 | 2013-08-14 | 王学永 | Portable rain gauge calibration system |
| CN104237975A (en) * | 2014-09-11 | 2014-12-24 | 河海大学 | High-resolution tipping bucket rain gauge device with error correction function |
| CN104316981A (en) * | 2014-11-07 | 2015-01-28 | 中环天仪（天津）气象仪器有限公司 | Water level temperature correction method and device for meteorological hydrological evaporation measuring system |
| CN105667456A (en) * | 2016-03-04 | 2016-06-15 | 北京汽车股份有限公司 | Rainfall sensor testing system and method |
| CN108051873A (en) * | 2017-11-22 | 2018-05-18 | 国家海洋局第海洋研究所 | Suitable for the one-touch rain sensor field calibration system and method for deep ocean buoy |
| CN110609340A (en) * | 2019-10-19 | 2019-12-24 | 徐州市伟思水务科技有限公司 | Constant-pressure quantitative water injection type raininess simulation device and application method thereof |
| CN112415636A (en) * | 2020-11-02 | 2021-02-26 | 航天新气象科技有限公司 | Calibrating device of rainfall sensor |
| CN113075368A (en) * | 2021-03-31 | 2021-07-06 | 中国科学院西北生态环境资源研究院 | Intelligent rain increase and decrease simulation system and calibration method thereof |
-
2008
- 2008-07-14 CN CN2008100122982A patent/CN101630023B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245980A (en) * | 2012-02-10 | 2013-08-14 | 王学永 | Portable rain gauge calibration system |
| CN104237975A (en) * | 2014-09-11 | 2014-12-24 | 河海大学 | High-resolution tipping bucket rain gauge device with error correction function |
| CN104237975B (en) * | 2014-09-11 | 2016-06-08 | 河海大学 | A kind of high-resolution tilting bucket rain device with error correction function |
| CN104316981A (en) * | 2014-11-07 | 2015-01-28 | 中环天仪（天津）气象仪器有限公司 | Water level temperature correction method and device for meteorological hydrological evaporation measuring system |
| CN104316981B (en) * | 2014-11-07 | 2016-09-28 | 中环天仪（天津）气象仪器有限公司 | Systematic water level temperature correction method and device thereof are measured in a kind of meteorological model evaporation |
| CN105667456A (en) * | 2016-03-04 | 2016-06-15 | 北京汽车股份有限公司 | Rainfall sensor testing system and method |
| CN108051873A (en) * | 2017-11-22 | 2018-05-18 | 国家海洋局第海洋研究所 | Suitable for the one-touch rain sensor field calibration system and method for deep ocean buoy |
| CN110609340A (en) * | 2019-10-19 | 2019-12-24 | 徐州市伟思水务科技有限公司 | Constant-pressure quantitative water injection type raininess simulation device and application method thereof |
| CN112415636A (en) * | 2020-11-02 | 2021-02-26 | 航天新气象科技有限公司 | Calibrating device of rainfall sensor |
| CN112415636B (en) * | 2020-11-02 | 2022-05-03 | 航天新气象科技有限公司 | Calibrating device of rainfall sensor |
| CN113075368A (en) * | 2021-03-31 | 2021-07-06 | 中国科学院西北生态环境资源研究院 | Intelligent rain increase and decrease simulation system and calibration method thereof |
| CN113075368B (en) * | 2021-03-31 | 2023-08-29 | 中国科学院西北生态环境资源研究院 | Intelligent rain increasing and decreasing simulation system and calibration method thereof |
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| CN101630023B (en) | 2012-03-07 |
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