CN101113918A - Agriculture irrigation water saving measuring method and metering instrument thereof - Google Patents
Agriculture irrigation water saving measuring method and metering instrument thereof Download PDFInfo
- Publication number
- CN101113918A CN101113918A CNA2006100473528A CN200610047352A CN101113918A CN 101113918 A CN101113918 A CN 101113918A CN A2006100473528 A CNA2006100473528 A CN A2006100473528A CN 200610047352 A CN200610047352 A CN 200610047352A CN 101113918 A CN101113918 A CN 101113918A
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- Prior art keywords
- water pump
- pump
- water
- electric power
- measurement
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Links
- 239000003621 irrigation water Substances 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 238000005086 pumping Methods 0.000 claims abstract description 6
- 238000013500 data storage Methods 0.000 claims description 7
- 210000000352 storage cell Anatomy 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000013178 mathematical model Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 14
- 238000003973 irrigation Methods 0.000 abstract description 7
- 230000002262 irrigation Effects 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000004907 flux Effects 0.000 abstract 4
- 238000000691 measurement method Methods 0.000 abstract 4
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Measuring Volume Flow (AREA)
Abstract
The invention provides an agricultural irrigation water-saving measurement method and a measurement device, the technic proposal adopts a flux measurement method avoiding the water transmission channels and having low measurement errors, the measurement method is that: a non-series flow meter is used for measuring the pump quantity connected into a output straight tube section of a water pump and at the same time the electric power consumption value of pumping the flux value by the water pump is recorded, the water pump practical working character curve is calibrated, and a math model with the flux and the water pump working electric power presenting linearity relation: Q is equal to K is multiplied by W is used for converting the pumping quantity of the water pump, the real time using water quantity monitoring and measurement are accomplished. An SCM central control element of an agricultural irrigation water measurement meter achieving the measurement method is connected with a water pump real time information detection channel and a parameter calibration setting channel. The technic proposal has the technical advantages of high using reliability and accurate measurement of the measured flux value.
Description
Technical field
What patented claim of the present invention related to is agricultural irrigation quantity metering method and its equipment of realizing in real time, accurately detecting water consumption.
Background technology
Great majority in the liquid flow measurement instrument are for sealing in the formula flowmeter, and they are more suitable for being applied in the lower measurement environment of liquid impurity content, thereby are difficult to be adapted in the charging measurement of agricultural irrigation, and the cost height.Though but not the not restriction of liquid body impurity state and content of the formula flowmeter of sealing in, its cost height especially subjects to artificial destruction, during the agricultural irrigation that is difficult to be applied in extensive management is equally chargeed and measured.Because agricultural irrigation is big to the intake of water resource, then in the requirement that error is hanged down in the low cost and the flow measurement of flow metering equipment, just seem particularly crucial, thereby demand providing a kind of agricultural irrigation flow measurement instrument that uses reliable, accurate measurement and be not subject to artificial destruction urgently, thereby improve urban residents' consciousness of saving water effectively.
Summary of the invention
The goal of the invention of patented claim of the present invention be to provide a kind of can according to the water pump actual working characteristics finish water consumption in real time, accurately monitoring agriculture irrigation water saving metering method and gauge thereof.Agriculture irrigation water saving metering method technical scheme provided by the invention, the major technique content of its method is: seal in the pump amount that the formula flowmeter measures the straight length that inserts exit of pump by non-, and measure the electric power value of this traffic consumes of water pump pumps simultaneously, demarcate the actual working characteristics curve of water pump with this, according to this water pump actual working characteristics curve, according to the linear mathematical model of the electric power of flow and pump working: Q=K*W, wherein Q is the pump amount, W is the electric power that this flow of pumping is consumed, the constant of K for being converted and obtain by characteristic working curve, institute's consumed power in the pump working that measures is carried out pump amount conversion computing, monitor and measure water consumption in real time.
Realize the gauge technical scheme of above-mentioned agriculture irrigation water saving metering method, its major technique content is: a kind of agriculture irrigation water saving gauge, its composition is to be the central control unit of control and data processing with the single-chip microcomputer, be connected with data storage cell, display unit, keyboard unit, its I/O bus port also is provided with and is connected with water pump real-time information monitoring channel and coefficient and demarcates passage is set, and its water pump real-time information monitoring channel detects the pulse signal acquisition circuit that electric controller and output is connected to CPU (central processing unit) by the water pump electric power and forms; Exit of pump is connected with straight length, measures in the pump capacity of this straight length and is provided with the non-formula flowmeter that seals in, and the data bus of single-chip microcomputer CPU (central processing unit) is provided with the non-formula flowmeter that seals in of access and constitutes the data bus interface that its coefficient demarcation is provided with passage.
The disclosed agriculture irrigation water saving metering method of patented claim of the present invention and its gauge technical scheme, avoid irrigation water pumping passage fully and carried out the water consumption monitoring, its dependability height, life-span is long, and being easy to carry out equipment not by the protective treatment of artificial destruction, it is more suitable for being applied in the agricultural irrigation metering environment.The technical program provides a kind of in-site measurement and scaling method of water pump real work parameter, the electric power consumption value of Direct Sampling and the real work of demarcation water pump and the funtcional relationship of flow, thereby accurately determining on the basis of working water pump performance characteristic curve, according to its pump output and the linear mathematical model of its electric power consumption value: Q=K*W, electric consumption performance number by the monitoring pump working accurately converts and pumps flow, thereby it is big to have eliminated the variable deviation that causes if only dispatch from the factory nominal parameters according to water pump, the inaccurate technical matters of charging paying fee, the operating parameter values of comprehensive again electric controller, the flow value accurate measurement that is drawn, error can drop to 1.0-2.0%.
Description of drawings
Fig. 1 is the circuit structure block diagram of this agriculture irrigation water saving gauge
Fig. 2 is this agriculture irrigation water saving gauge mounting structure synoptic diagram.
Embodiment
Agriculture irrigation water saving metering method of the present invention is: at first gather straight length 40 flow values that are connected in water pump 10 outlets by the non-flowmeter 30 that seals in, detect the water pump electric power consumption pulse signal value that pumps this flow value by the electric controller 1 of measuring water pump electric power value and pulse signal acquisition circuit 2 thereof simultaneously, wherein include the actual lift of water pump, the above-mentioned parameter value of electrical efficiency and mechanical efficiency etc. is sent into the monolithic internal arithmetic (al), demarcate the characteristic working curve of this water pump real work electric power and flow value, deposit in the data storage cell, again with reference to the electric controller nominal parameters, mathematical model according to Q=K*W is carried out flow rate conversion, wherein Q is a pump discharge, W is the electric power that this flow of pumping is consumed, the K constant that the characteristic working curve demarcated converts and obtains of serving as reasons, obtain flow value, send into display unit 6 and data storage cell 5 is shown, storage, add up, realize the flow measurement of pin-point accuracy.
The present invention also provides the agriculture irrigation water saving gauge 20 that realizes said method, its structure is shown in Fig. 1 block diagram, this gauge is to be CPU (central processing unit) 3 with the single-chip microcomputer, is connected with water pump real-time information monitoring channel, coefficient with its I/O bus port and demarcates passage 4, data storage cell 5, display unit 6, keyboard unit 8 and duty indicating member 7 are set.The formation of its data storage cell 5, display unit 6, keyboard unit 8 and duty indicating member 7 and with the syndeton of CPU (central processing unit) 3 be current techique, therefore repeat no more.Water pump real-time information monitoring channel wherein is to constitute by the electric controller 1 that detects water pump electric power value with the pulse signal acquisition circuit 2 that power analog detection signal A/D is converted to digit pulse, and pulse signal acquisition circuit 2 is connected in the I/O bus port of CPU (central processing unit) 3; The connection of water pump 10 pump discharges is provided with a straight length 40, and coefficient is demarcated non-these straight length 40 flows that seal in formula flowmeter 30 detection water pumps that passage 4 is set, and its DOL Data Output Line is connected to the data-interface of single-chip microcomputer CPU (central processing unit).Single-chip microcomputer CPU (central processing unit) monitoring is non-to seal in the electric power consumption value of this flow value of water pump pumps of the flow value of formula flowmeter and water pump real-time information monitoring channel, demarcate its working water pump performance characteristic curve, according to this calibration curve, carry out flow rate conversion by the water pump electric power value that CPU (central processing unit) is gathered extremely by water pump real-time information monitoring channel, and store, show, add up by data storage cell, display unit.In the present embodiment, as shown in Figure 2, it is non-, and what seal in that the formula flowmeter adopts is ultrasonic flow meter.Present technique also can adopt independently, and the coefficient demarcation is provided with channel architecture, promptly constitute by the complete non-straight length 40 that seals in formula flowmeter 30 and be used to be connected to water pump 10 pump discharges, detect the electric power value of water pump real-time information sense channel by single-chip microcomputer CPU (central processing unit) 3, measure water pump 10 flow that this moment, work was pumped by the non-formula flowmeter 30 that seals in, and the keyboard unit key inputs to the single-chip microcomputer CPU (central processing unit), finishes the work of treatment of water pump parameter calibration by the single-chip microcomputer CPU (central processing unit) again.
Claims (2)
1. agriculture irrigation water saving metering method, it is characterized in that its method is: seal in the pump amount that the formula flowmeter measures the straight length that inserts exit of pump by non-, and detect the electric power value of this traffic consumes of water pump pumps simultaneously, demarcate the actual working characteristics curve of water pump with this, according to this water pump actual working characteristics curve, according to the linear mathematical model of the electric power of flow and pump working: Q=K*W, wherein Q is a pump discharge, W is the electric power that this flow of pumping is consumed, K is the constant that comprehensive each parameter converts, the pump working consumed power that measures is carried out pump amount conversion computing, finish real-time water consumption monitoring.
2. realize the agriculture irrigation water saving gauge of claim 1 metering method, its composition is to be the central control unit (3) of control and data processing with the single-chip microcomputer, be connected with data storage cell (5), display unit (6), keyboard unit (8), it is characterized in that its I/O bus port also is provided with is connected with water pump real-time information monitoring channel and coefficient and demarcates passage is set, and its water pump real-time information monitoring channel detects electric controller (1) by the water pump electric power and exports the pulse signal acquisition circuit (2) that is connected to CPU (central processing unit) and form; Water pump (10) outlet is connected with straight length (40), measure in the pump capacity of this straight length and be provided with the non-formula flowmeter (30) that seals in, the data bus of single-chip microcomputer CPU (central processing unit) is provided with the non-formula flowmeter that seals in of access and constitutes the data bus interface that its coefficient demarcation is provided with passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100473528A CN101113918A (en) | 2006-07-26 | 2006-07-26 | Agriculture irrigation water saving measuring method and metering instrument thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100473528A CN101113918A (en) | 2006-07-26 | 2006-07-26 | Agriculture irrigation water saving measuring method and metering instrument thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101113918A true CN101113918A (en) | 2008-01-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100473528A Pending CN101113918A (en) | 2006-07-26 | 2006-07-26 | Agriculture irrigation water saving measuring method and metering instrument thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101113918A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169001A (en) * | 2010-12-30 | 2011-08-31 | 中国计量学院 | Pumping flow detection device integrated on water pump main body |
| CN105005625A (en) * | 2015-07-31 | 2015-10-28 | 常州维格电子有限公司 | Measuring structure optimization algorithm based on measurement data regression |
| CN108523658A (en) * | 2017-03-06 | 2018-09-14 | 佛山市顺德区美的饮水机制造有限公司 | Water quantity monitoring method and device and water dispenser |
| CN108759991A (en) * | 2018-06-21 | 2018-11-06 | 广东美的暖通设备有限公司 | The diagnosis of survey error method, apparatus and air-conditioning system of sensor in air-conditioning system |
| CN113987768A (en) * | 2021-10-14 | 2022-01-28 | 陈婷 | A system for measuring pumping station flow based on active power |
-
2006
- 2006-07-26 CN CNA2006100473528A patent/CN101113918A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169001A (en) * | 2010-12-30 | 2011-08-31 | 中国计量学院 | Pumping flow detection device integrated on water pump main body |
| CN105005625A (en) * | 2015-07-31 | 2015-10-28 | 常州维格电子有限公司 | Measuring structure optimization algorithm based on measurement data regression |
| CN108523658A (en) * | 2017-03-06 | 2018-09-14 | 佛山市顺德区美的饮水机制造有限公司 | Water quantity monitoring method and device and water dispenser |
| CN108759991A (en) * | 2018-06-21 | 2018-11-06 | 广东美的暖通设备有限公司 | The diagnosis of survey error method, apparatus and air-conditioning system of sensor in air-conditioning system |
| CN113987768A (en) * | 2021-10-14 | 2022-01-28 | 陈婷 | A system for measuring pumping station flow based on active power |
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