CN101630023B - Calibrating device of field calibration rainfall sensor - Google Patents
Calibrating device of field calibration rainfall sensor Download PDFInfo
- Publication number
- CN101630023B CN101630023B CN2008100122982A CN200810012298A CN101630023B CN 101630023 B CN101630023 B CN 101630023B CN 2008100122982 A CN2008100122982 A CN 2008100122982A CN 200810012298 A CN200810012298 A CN 200810012298A CN 101630023 B CN101630023 B CN 101630023B
- Authority
- CN
- China
- Prior art keywords
- counter
- shell
- funnel
- rain sensor
- rain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
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 flood occurrence 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; Even have no alternative but and to remove, all need calibrate in carrying with after installing usually, 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 concept, 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, and manual pick is measured with the way of measuring cup pouring; 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; Suitable realization 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 need delete from the automatic weather station storer, cause 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, and can on-the-spotly show can carry out field calibration to the rainfall measurement instrument at the scene at any time by reading; 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 combination funnel, counter and two rising pipes of simulating large and small raininess flow velocitys in the shell; The end face of said 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 edge of said combination funnel is all along being fixedly connected with the inside of outer casing top surface; The combination funnel is separated in a circular funnel, being provided with; Formation is corresponding to two funnels of large and small raininess water injection hole, at a distance from corresponding with the outer casing top surface diameter, in separated upper end replace inboard at outer casing top surface; In separated lower end be positioned at the bottom of combination drain bucket, at a distance from 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 large and small raininess flow velocitys of simulation 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 be 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 fixing effect of relative connection, 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.
Method of application 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 the flow velocity of how to simulate large and small raininess; Promptly pass through conscientious, careful calculating and experiment; Draw the bore of the large and small raininess flow velocity rising pipe of simulation, thereby realized successively injecting the clear water of 10mm quantity of precipitation, successively flow to the upset funnel of the rain sensor of being demarcated from simulating large and small raininess flow velocity rising pipe through the combination funnel from the water injection hole of large and small raininess; 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, compares with the theoretical count value of 10mm quantity of precipitation according to the counter displayed value, learns 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 is 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, and 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, counts test; When all trickling, clear water finishes; Counter stops counting, and 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 unusual simple, thereby has practiced thrift 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 round combination funnel 11, counter 9 and two rising pipes 13 and 10 of simulating large and small raininess flow velocitys in the shell 2; Combination funnel 11, shell 2 adopt insulating material to process through Mould Machining; The end face 4 of shell 2 is provided with the heavy rain injection water hole 7 and 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 edge of said combination funnel 11 is fixedly connected with the inside week edge of the end face 4 of shell 2; In being provided with in the circular combination funnel 11 at a distance from 12; In corresponding at a distance from 12 with the diameter of outer casing top surface 4; In separated upper end replace in the inboard of outer casing top surface 4, in be positioned at the bottom of combination drain bucket at a distance from 12 lower end, in be integrative-structure at a distance from 12 with circular combination funnel 11;
The rising pipe 13 of the rising pipe 13 of corresponding respectively two the simulation heavy rain high currents speed in the bottom of round combination funnel 11 and 10, two large and small raininess flow velocitys of simulation of rising pipe of light rain high current speed and 10 and make up funnel 11 and be integrative-structure.The rising pipe 13 of two large and small raininess flow velocitys of simulation is different with 10 bore, adopts stainless steel material to process.
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 on through plug in the end face 4 upper conductor jacks 8 of shell 2, and 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 with 5 water fillings of light rain injection water hole to heavy rain injection water hole 7 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 round combination funnel (11), counter (9) and two rising pipes (13 and 10) of simulating large and small raininess flow velocitys in the shell (2); It is characterized in that:
The end face (4) of said 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 edge of said combination funnel (11) is fixedly connected with the inside week edge of shell (2) end face (4); Combination funnel (11) is at a distance from (12) in a circular funnel, being provided with; Formation is corresponding to two funnels of large and small raininess water injection hole, in corresponding at a distance from (12) with shell (2) end face (4) diameter, in the upper end of separated (12) replace inboard at shell (2) end face (4); In be positioned at the bottom of combination drain bucket (11) at a distance from the lower end of (12), in be integrative-structure at a distance from (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 pipes (13 and 10) of simulating large and small raininess flow velocitys, and the rising pipes (13 and 10) of two large and small raininess flow velocitys of simulation are integrative-structure with combination funnels (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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100122982A CN101630023B (en) | 2008-07-14 | 2008-07-14 | Calibrating device of field calibration rainfall sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101630023A CN101630023A (en) | 2010-01-20 |
| CN101630023B true CN101630023B (en) | 2012-03-07 |
Family
ID=41575194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100122982A Expired - Fee Related CN101630023B (en) | 2008-07-14 | 2008-07-14 | Calibrating device of field calibration rainfall sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101630023B (en) |
Families Citing this family (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 |
| 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 |
| 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 |
| CN108051873B (en) * | 2017-11-22 | 2018-09-28 | 国家海洋局第一海洋研究所 | One-touch rain sensor field calibration system and method suitable 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 |
| CN112415636B (en) * | 2020-11-02 | 2022-05-03 | 航天新气象科技有限公司 | Calibrating device of rainfall sensor |
| 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 |
-
2008
- 2008-07-14 CN CN2008100122982A patent/CN101630023B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101630023A (en) | 2010-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101630023B (en) | Calibrating device of field calibration rainfall sensor | |
| US20150260513A1 (en) | Antenna attitude measurement sensor and antenna attitude measurement method | |
| CN202794581U (en) | Tipping-bucket rainfall recorder allowing observing accumulative rainfall precipitation | |
| CN100568023C (en) | Intelligence testing apparatus for precipitation rain fall based on computer vision | |
| CN209132449U (en) | A kind of automatic rainfall monitoring record and rainwater-sampling device | |
| CN103760623A (en) | Fully-automatic water-surface evaporation-capacity monitoring system | |
| CN102052913A (en) | Small hole imaging principle-based projector for measuring sun position information | |
| CN109855608B (en) | Hydrologic flood mark monitoring devices | |
| CN109656977B (en) | Agricultural non-point source pollution monitoring big data management system | |
| CN107817538B (en) | Small-sensing-quantity large-range tipping bucket type rainfall sensor | |
| CN207816967U (en) | A kind of intelligence soil water potential analyzer | |
| CN108387277B (en) | Irrigation area integrated water level flow wireless measurement method and device | |
| CN202141482U (en) | Flow measuring device for forest areas | |
| CN201247330Y (en) | Calibration device for field calibration rainfall sensor | |
| CN106932842A (en) | A kind of rainfall quantitative information method of real-time based on the full spectral method of gamma | |
| CN105549127B (en) | A kind of the atomized rain strength meter and measurement method of hydraulic model | |
| CN104596477A (en) | Transformer substation foundation settlement monitoring method | |
| CN205665425U (en) | Rainfall sensor | |
| CN114858124B (en) | Dam surface deformation monitoring system and method | |
| CN100526914C (en) | Double-chamber, photoelectric sensing, auto electronic rain quantity and snow quantity meter | |
| CN105973328B (en) | Straight channel type ground surface runoff test facility and use method thereof | |
| CN101586981A (en) | Constant-flow bubble type automatic water level measurement device with micro power consumption | |
| CN101813793B (en) | Digital control type pluviometer | |
| CN114839121A (en) | Silt content online monitoring system and monitoring method | |
| CN113945999A (en) | Analog detection device and metering method for optical rainfall sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20120307 Termination date: 20120714 |