CN102062624A - Agricultural drain water collecting and metering device - Google Patents
Agricultural drain water collecting and metering device Download PDFInfo
- Publication number
- CN102062624A CN102062624A CN 201010520499 CN201010520499A CN102062624A CN 102062624 A CN102062624 A CN 102062624A CN 201010520499 CN201010520499 CN 201010520499 CN 201010520499 A CN201010520499 A CN 201010520499A CN 102062624 A CN102062624 A CN 102062624A
- Authority
- CN
- China
- Prior art keywords
- container
- water
- water pipe
- space
- dividing plate
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 174
- 239000004744 fabric Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000132931 Batrachia Species 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
- Sewage (AREA)
Abstract
The invention discloses an agricultural drain water collecting and metering device. The device comprises a square container, wherein a separator (9) is arranged in the container to divide the container into a collecting container (100) and a metering container (1); a drain water collecting component is arranged in the collecting container (100) and comprises an empty grid I (6), an empty grid II (3) and an empty grid III (2) with the same size; a drain water metering component is arranged in the metering container (1) and comprises a large water passing pipe (18) and a small water passing pipe (12) which have the bottom ends with the same height; both the large water passing pipe (18) and the small water passing pipe (12) are hermetically communicated with the empty grid III (2); the large water passing pipe (18) is provided with a large water meter (17); the small water passing pipe (12) is provided with a small water meter (13); and the side wall of the metering container (1) is provided with a through hole (14) for draining water. By using the device, agricultural drain water can be more accurately metered.
Description
Technical field
The invention belongs to the agriculture environmental protection field, be specifically related to a kind of novel agricultural drain and collect measuring apparatus.
Background technology
The pollution of area source that agricultural drain brings has become the major reason that China and even whole world quality of water environment are difficult to improve, and how accurate and effective metering agricultural drain is the key link of farmland pollution of area source management.Existing agricultural drain metering method mainly contains two kinds: a kind of is to utilize the block draining of single water meter measurement farmland, this method is comparatively effective to the agricultural drain of metering low discharge, but inapplicable during for the seasonal a large amount of draining in torrential rain or farmland, and weeds in field congestion affects metering accuracy problem appears easily; Another kind is to adopt flow weir (triangular-notch weir or Cipolletti weir etc.), this method is applicable to that mainly single measures the draining on the spot of relatively large flow, but be difficult to measure the draining integrated flow, especially the measure monitor difficulty to rainfall draining at night is bigger, there is the flow weir of memory function to have some to use report at present, but because price than problems such as height, is not promoted on a large scale.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of agricultural drain that designs according to the instability of agricultural drain and collects measuring apparatus, utilize this device can measure agricultural drain more accurately, can obtain helping the field water fertilizer management optimization by water quality monitoring simultaneously based on the average agricultural drain water quality data of flow.
In order to solve the problems of the technologies described above, the invention provides a kind of agricultural drain and collect measuring apparatus, comprise square container, in container, be provided with the separation dividing plate, thereby container is separated into collection container and metering container; The drainage collection assembly is set in collection container, in measuring, the drainage metering assembly is set with container;
The drainage collection assembly comprises 2 dividing plate I that are parallel to each other and the dividing plate II that is arranged in the collection container, thereby collection container is separated into size identical space I, space II and space III, be provided with the water inlet that is connected with space I in the side of collection container, screen cloth I is set in the water inlet, be provided with mouth of a river I in the bottom of dividing plate I, the top of described dividing plate II and the bottom of water inlet flush, and are provided with mouth of a river II on dividing plate II; Utilized mouth of a river I, the current direction space II in the I of space; Utilized mouth of a river II, the current direction space III in the II of space;
The drainage metering assembly comprises serious offense water pipe and the small offence water pipe that the bottom is contour, on the separation dividing plate, be provided with bottom contour and big water hole that all be connected and little water hole with space III, the serious offense water pipe links to each other with big water hole sealing, and the small offence water pipe links to each other with the sealing of small offence water hole; On the serious offense water pipe, be provided with big water meter, on the small offence water pipe, be provided with little water meter; On the sidewall of metering, be provided with the through hole that is used for draining with container.
Collect the improvement of measuring apparatus as agricultural drain of the present invention: the aperture of the internal diameter of serious offense water pipe=big water hole, the aperture of the internal diameter of small offence water pipe=little water hole; And the bottom of serious offense water pipe, big water hole, small offence water pipe and little water hole is all contour; The bottom distance measuring of small offence water pipe is 4～8cm with the bottom surface of container.
Collect the further improvement of measuring apparatus as agricultural drain of the present invention: be provided with screen cloth II on the II of the mouth of a river excessively; The aperture of screen cloth II is less than the aperture of screen cloth I.
Collect the further improvement of measuring apparatus as agricultural drain of the present invention: the space is left in the bottom of dividing plate I and the bottom surface of collection container, and the gap formed mouth of a river I.
Collect the further improvement of measuring apparatus as agricultural drain of the present invention: above container, be provided with and shroud collection container and measure the upper cover plate of using container.
Collect the further improvement of measuring apparatus as agricultural drain of the present invention: metering is 1.8/3～2.2/3 of a collection container volume with the volume of container.
Collect the further improvement of measuring apparatus as agricultural drain of the present invention: the L type square elbow that on the exit of serious offense water pipe connects, turns over.
In the present invention, the bottom of serious offense water pipe and small offence water pipe is contour, and the serious offense water pipe connects big water meter, the L type square elbow that big water meter water delivering orifice turns on connecting, this L type square elbow effect is set has two: when 1, guaranteeing the low discharge draining, current are without the serious offense water pipe at big water meter place; When 2, guaranteeing big flow draining, big water meter is in the flowing full state, drives big water meter inward turning wing rotation, thereby guarantees accurately metering.In general, big water meter internal diameter is 100mm, and little water meter internal diameter is 40mm.
In the present invention, the aperture of screen cloth I is 5mm, and the effect of screen cloth I mainly is to prevent that hydrobiont, weeds and field snake batrachia from entering device of the present invention; The aperture 3mm of screen cloth II, the effect of screen cloth II mainly is to prevent that big suspended particulate substance stops up water meter in the water flow process.
In the present invention, because the existence of dividing plate II and the top of dividing plate II are parallel with the bottom of water inlet, make among space I, the space II water constantly and agricultural drain carry out miscible displacement, wherein the representative of the concentration of water sample is the loss concentration that begins the average external volume flow in the later time period from certain rainfall runoff field observation experiment, and the product of this loss concentration and flow is the load that runs off.
Measuring apparatus is collected in agricultural drain of the present invention, can realize double fluid amount agricultural drain collection metering flexibly and effectively, can obtain based on the average agricultural drain water quality data of flow simultaneously.Simple and reasonable, characteristics such as draining is smooth, metering is effective, cost is low, promotional value height that device of the present invention has.
Utilize device of the present invention can measure agricultural drain accurately and effectively, thereby obtain Monitoring Data accurately and reliably, for the field water fertilizer management provides technical support.
Agricultural drain of the present invention is collected measuring apparatus and is had the following advantages and effect:
1), the screen cloth I that is provided with in the water inlet impurity that the withered grass in the agricultural drain, planktonic organism etc. are stopped up water meter easily stops, and guarantees the operate as normal of unimpeded and water meter of stable, the water pipe of back current;
2), up flow type water inlet (the current direction space II in the I of space) can make the water in the device reach abundant mixing, prevented short flow phenomenon, thereby prevented the obstruction of the anti-locking apparatus of deposition of mud;
3), adopting big tubule double fluid to measure measures, can measure farmland low discharge draining, can measure the big flow draining in farmland again, improved the accuracy of metering;
4), by water quality monitoring, can obtain based on the average agricultural drain water monitoring data of flow.Specific as follows: the existence of dividing plate II make among space I, the space II water constantly and agricultural drain carry out miscible displacement, wherein the representative of the concentration of water sample is the loss concentration that begins the average external volume flow in the later time period from certain rainfall runoff field observation experiment, and the product of this loss concentration and flow is the load that runs off.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Fig. 1 is the synoptic diagram of overlooking partial cutaway (having removed upper cover plate) that measuring apparatus is collected in agricultural drain of the present invention;
Fig. 2 is the synoptic diagram that the A-A among Fig. 1 cuts open;
Fig. 3 is the postrotational cross-sectional schematic that the B-B among Fig. 1 cuts open;
When Fig. 4 was low discharge, the present invention measured the comparison diagram of agricultural drain with " flow weir+FP101 velocimeter ";
When Fig. 5 is big flow, the comparison diagram of the present invention and " flow weir+FP101 velocimeter " metering agricultural drain.
Embodiment
Fig. 1～Fig. 3 collects measuring apparatus in conjunction with having provided a kind of agricultural drain, comprises a rectangular container, is provided with in this rectangular container and separates dividing plate 9, thereby container is separated into metering container 1 and collection container 100 from left to right.The drainage collection assembly is set in collection container 100, in measuring, the drainage metering assembly is set with container 1;
The drainage collection assembly comprises 2 dividing plate I7 that are parallel to each other being arranged in the collection container 100 and dividing plate II8 (promptly, the two ends of dividing plate I7 link to each other with the front and back sides of collection container 100 respectively, in like manner, the two ends of dividing plate II8 link to each other with the front and back sides of collection container 100 respectively), thereby collection container 100 is separated into identical space I6, space II3 and the space III2 of volume size, that is, space I6, space II3 and space III2 isometric, wide, contour (being even depth).Metering is 2/3 of collection container 100 volumes with the volume of container 1,, measures the length with the length=2 times space III2 of container 1 that is, the metering width of the width=space III2 of container 1, the metering degree of depth of the degree of depth=space III2 of container 1.
Leading flank at collection container 100 is provided with the water inlet 4 that is connected with space I6, and 4 places are provided with screen cloth I5 at water inlet, and the effect of screen cloth I5 is to play filtration to flow into water in the I6 of space from water inlet 4.Leave the space between the bottom surface 22 of the bottom of dividing plate I7 and collection container 100, this gap has just formed naturally crosses mouth of a river I19; Utilized mouth of a river I19, the current direction space II3 in the I6 of space.The bottom of the top of dividing plate II8 and water inlet 4 flushes, and is provided with mouth of a river II20 on dividing plate II8; Utilized mouth of a river II20, the current direction space III2 in the II3 of space.Be provided with screen cloth II21 crossing II20 place, the mouth of a river, the effect of screen cloth II21 is to play filtration to flow into water in the III2 of space from space II3.It is to get based on the average water sample of flow in order to guarantee that aforementioned barriers II8 is set.
The top of dividing plate I7 is higher than the top of water inlet 4, and the top (being the bottom of dividing plate I7) of crossing mouth of a river I19 is lower than the bottom of water inlet 4; The top of crossing mouth of a river II20 was higher than the top of mouth of a river I19, and the bottom of water inlet 4 is higher than the top that is bigger than water pipe 18.
The drainage metering assembly comprises serious offense water pipe 18 and the small offence water pipe 12 that the bottom is contour, is provided with big water hole 10 and the small offence water hole 11 that all is connected with space III2 on separation dividing plate 9; The aperture of the internal diameter of serious offense water pipe 18=big water hole 10, the aperture in the internal diameter of small offence water pipe 12=small offence water hole 11; And, the internal diameter of the internal diameter＞small offence water pipe 12 of serious offense water pipe 18 (general, the internal diameter of serious offense water pipe 18 is 2～3 times of internal diameter of small offence water pipe 12).The bottom in this serious offense water pipe 18, big water hole 10, small offence water pipe 12 and small offence water hole 11 is contour, and the bottom distance measuring of small offence water pipe 12 is 6cm with the bottom surface of container 1.
One end of serious offense water pipe 18 links to each other with 10 sealings of big water hole, the other end with on L type square elbow 16 (as the big drainage tube) sealing of turning over link to each other, be provided with big water meter 17 being bigger than on the water pipe 18, water meter 17 is used to measure the flow velocity of big water meter 17 interior current greatly.One end of small offence water pipe 12 links to each other with 11 sealings of small offence water hole, the other end links to each other with little drainage tube 15 (for horizontal straight tube) sealing, is provided with little water meter 13 on small offence water pipe 12, and little water meter 13 is used to measure the flow velocity of current in the small offence water pipe 12.
Be provided with the through hole 14 that is used for draining on the sidewall of metering with container 1, through hole 14 is near the bottom of metering with container 1; The bottom of water inlet 4 must be higher than the top of through hole 14.Fall into agricultural drain of the present invention for fear of impurity such as dusts and collect in the measuring apparatus, therefore above entire container, be provided with and shroud collection container 100 and the upper cover plate of metering with container 1; This upper cover plate can be designed to be rotatedly connected with container 1 with collection container 100 and metering.
When actual uses of measuring apparatus collected in agricultural drain of the present invention, adjust the landfill degree of depth (being that entire container is imbedded the interior degree of depth of soil) according to the actual conditions of farmland ditch, thus adjustment intake-outlet height.Require as follows: flush at the bottom of the bottom of water inlet 4 and the ditch, the inside, farmland, water inlet 4 outsides can be provided with dash district and manger board, the manger board lower end embeds native face, and the upper end height requires to set according to the pour water field face degree of depth of crop, and the bottom of through hole 14 is higher than farmland outer fissure water in a canal face.
Practical work process is as follows:
1), agricultural drain flows in the I6 of space by water inlet 4 and screen cloth I5 successively, utilize the filtration of screen cloth I5, withered grass in the agricultural drain, planktonic organism etc. are stopped up the impurity of water meter (comprising big water meter 17 and little water meter 13) easily and are stopped, and have guaranteed the operate as normal of the stable and water meter of back current.
2), adopt the up flow type water inlet from space I6 to space II3, this has taken into full account the fluidised form of water and the design feature of apparatus of the present invention designs.Make the current in the I6 of space flow into space II3, can make the water in the device reach abundant mixing like this, prevented short flow phenomenon, thereby prevent the appearance of the whole device latch up phenomenon that the deposition owing to mud causes from the mouth of a river I19 that crosses that is positioned at dividing plate I7 below.
3), the screen cloth II21 that on dividing plate II8, is provided with, the effect of screen cloth I5 is to play filtration to flow into the effect of the water in the III2 of space from space II3 by crossing mouth of a river II20, like this, has further guaranteed the operate as normal of the stable and water meter of current.
Because the top of dividing plate II8 and the bottom of water inlet 4 flush, so this dividing plate II8 can guarantee to get based on the average water sample of flow.
4), because the bottom of serious offense water pipe 18 and small offence water pipe 12 contour (both are all near the bottom surface of metering with container 1), and the tail end of serious offense water pipe 18 connects the L type square elbow of upwards digging 16, and the tail end of small offence water pipe 12 connects horizontal straight tube (being little drainage tube 15); So in the time of can realizing that drain discharge is big, water is discharged toward serious offense water pipe 18, by big water meter 17 meterings; Flow hour, because the water delivering orifice of serious offense water pipe 18 is than water surface height, so water is toward small offence water pipe 12 streams, by little water meter 13 meterings.
Thereby not only can realize better metering, can also prevent the generation of short stream.
5), inflow farmland water channel is discharged in metering at last from through hole 14 with the water in the container 1.
For testing validity of the present invention, the inventor is in (daily rainfall 35mm on March 4th, 2010, rainfall duration 45min) and on March 5th, 2010 (daily rainfall 60mm, rainfall duration 60min) the present invention and " flow weir+FP101 velocimeter " have been done the comparative studies aspect the metering agricultural drain (study the geographical environment basically identical in the contrast farmland of usefulness, thereby guaranteed comparability).Result of study shows, no matter under big water discharge condition, still under float water yield condition, the present invention is to the metering and " flow weir+FP101 velocimeter " basically identical of agricultural drain, trend is comparatively approaching in the metering time period, single game rainfall runoff accumulative total water discharge error was 9.28% (as shown in Figure 5) under the big water discharge, and error only was 5.42% (as shown in Figure 4) under the little water discharge.
Annotate: 1, " flow weir+FP101 velocimeter " measurement Law adopts the product of velocimeter displayed value and discharge area, flow weir to obtain; 2, the rainfall start time asynchronous with the runoff yield time of origin, runoff yield rain time time lag, behind the runoff yield every 5min observation once.
At last, it is also to be noted that what more than enumerate only is a specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (7)
1. measuring apparatus is collected in an agricultural drain, it is characterized in that: comprise square container, be provided with in container and separate dividing plate (9), thereby container is separated into collection container (100) and metering container (1); In collection container (100), the drainage collection assembly is set, in measuring, the drainage metering assembly is set with container (1);
Described drainage collection assembly comprises 2 dividing plate I (7) that are parallel to each other and the dividing plate II (8) that is arranged in the collection container (100), thereby collection container (100) is separated into the identical space I (6) of size, space II (3) and space III (2), be provided with the water inlet (4) that is connected with space I (6) in the side of collection container (100), locate to be provided with screen cloth I (5) at water inlet (4), be provided with mouth of a river I (19) in the bottom of dividing plate I (7), the bottom of the top of described dividing plate II (8) and water inlet (4) flushes, and is provided with mouth of a river II (20) on dividing plate II (8); Utilized mouth of a river I (19), the current direction space II (3) in the space I (6); Utilized mouth of a river II (20), the current direction space III (2) in the space II (3);
Described drainage metering assembly comprises serious offense water pipe (18) and the small offence water pipe (12) that the bottom is contour, on separation dividing plate (9), be provided with bottom contour and big water hole (10) that all be connected and little water hole (11) with space III (2), described serious offense water pipe (18) links to each other with big water hole (10) sealing, and small offence water pipe (12) links to each other with little water hole (11) sealing; On serious offense water pipe (18), be provided with big water meter (17), on small offence water pipe (12), be provided with little water meter (13); On the sidewall of described metering, be provided with the through hole (14) that is used for draining with container (1).
2. measuring apparatus is collected in agricultural drain according to claim 1, it is characterized in that: the aperture of the internal diameter of described serious offense water pipe (18)=big water hole (10), the aperture of the internal diameter of described small offence water pipe (12)=little water hole (11); And the bottom of serious offense water pipe (18), big water hole (10), small offence water pipe (12) and little water hole (11) is all contour; The bottom distance measuring of described small offence water pipe (12) is 4～8cm with the bottom surface of container (1).
3. measuring apparatus is collected in agricultural drain according to claim 1 and 2, it is characterized in that: be provided with screen cloth II (21) on the mouth of a river II (20) excessively; The aperture of described screen cloth II (21) is less than the aperture of screen cloth I (5).
4. measuring apparatus is collected in agricultural drain according to claim 3, and it is characterized in that: the space is left in the bottom surface (22) of the bottom of dividing plate I (7) and collection container (100), and described gap formed mouth of a river I (19).
5. measuring apparatus is collected in agricultural drain according to claim 4, it is characterized in that: be provided with above container and shroud collection container (100) and measure the upper cover plate of using container (1).
6. measuring apparatus is collected in agricultural drain according to claim 5, and it is characterized in that: described metering is 1.8/3～2.2/3 of collection container (a 100) volume with the volume of container (1).
7. measuring apparatus is collected in agricultural drain according to claim 6, it is characterized in that: the L type square elbow (16) that turns on the exit of serious offense water pipe (18) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105204990A CN102062624B (en) | 2010-10-26 | 2010-10-26 | Agricultural drain water collecting and metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105204990A CN102062624B (en) | 2010-10-26 | 2010-10-26 | Agricultural drain water collecting and metering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102062624A true CN102062624A (en) | 2011-05-18 |
| CN102062624B CN102062624B (en) | 2012-04-25 |
Family
ID=43997999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105204990A Expired - Fee Related CN102062624B (en) | 2010-10-26 | 2010-10-26 | Agricultural drain water collecting and metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102062624B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549123A (en) * | 2015-12-08 | 2016-05-04 | 重庆多邦科技股份有限公司 | Pluviometer |
| CN111174846A (en) * | 2020-01-09 | 2020-05-19 | 浙江大学 | Ground radial flow detection device and method |
| CN111189504A (en) * | 2020-02-26 | 2020-05-22 | 无锡市政设计研究院有限公司 | Graded measurement type flow monitoring well and flow measurement method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4541446A (en) * | 1983-03-31 | 1985-09-17 | Hogan Frank C | In-ground control unit for watering systems |
| CN2034683U (en) * | 1988-04-27 | 1989-03-22 | 李玉清 | Immerse type measuring gauge of water at opening |
| CN2150533Y (en) * | 1992-12-18 | 1993-12-22 | 中国科学院水利部西北水土保持研究所 | Automatic recording device for sloping surface runoff |
| DE20103494U1 (en) * | 2000-07-24 | 2001-07-12 | Brockhage, Werner, 28857 Syke | Device for measuring the need for irrigation |
| CN1220862C (en) * | 2000-12-26 | 2005-09-28 | 中国科学院长沙农业现代化研究所 | Surface runoff measuring facility and method |
| CN101000256A (en) * | 2006-12-15 | 2007-07-18 | 中国农业科学院农业资源与农业区划研究所 | Automatic surveying device for runoff water flow of farmland or hillside fields |
| CN101762446A (en) * | 2010-02-02 | 2010-06-30 | 西北农林科技大学 | Leakage measuring instrument and method for measuring leakage by using same |
-
2010
- 2010-10-26 CN CN2010105204990A patent/CN102062624B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4541446A (en) * | 1983-03-31 | 1985-09-17 | Hogan Frank C | In-ground control unit for watering systems |
| CN2034683U (en) * | 1988-04-27 | 1989-03-22 | 李玉清 | Immerse type measuring gauge of water at opening |
| CN2150533Y (en) * | 1992-12-18 | 1993-12-22 | 中国科学院水利部西北水土保持研究所 | Automatic recording device for sloping surface runoff |
| DE20103494U1 (en) * | 2000-07-24 | 2001-07-12 | Brockhage, Werner, 28857 Syke | Device for measuring the need for irrigation |
| CN1220862C (en) * | 2000-12-26 | 2005-09-28 | 中国科学院长沙农业现代化研究所 | Surface runoff measuring facility and method |
| CN101000256A (en) * | 2006-12-15 | 2007-07-18 | 中国农业科学院农业资源与农业区划研究所 | Automatic surveying device for runoff water flow of farmland or hillside fields |
| CN101762446A (en) * | 2010-02-02 | 2010-06-30 | 西北农林科技大学 | Leakage measuring instrument and method for measuring leakage by using same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549123A (en) * | 2015-12-08 | 2016-05-04 | 重庆多邦科技股份有限公司 | Pluviometer |
| CN111174846A (en) * | 2020-01-09 | 2020-05-19 | 浙江大学 | Ground radial flow detection device and method |
| CN111189504A (en) * | 2020-02-26 | 2020-05-22 | 无锡市政设计研究院有限公司 | Graded measurement type flow monitoring well and flow measurement method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102062624B (en) | 2012-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205404570U (en) | Small-sized radial flow field device for monitoring soil and water loss on earth surface | |
| CN102455200B (en) | Farmland or sloping field runoff water flow monitoring device | |
| CN104897216B (en) | A kind of grated plate type water consumption measurement and control device suitable for field irrigation | |
| CN102346059B (en) | Simple device for measuring surface runoff quantity and collecting runoff liquid | |
| CN108316912A (en) | Oil field single well metering device and metering method | |
| CN102062624B (en) | Agricultural drain water collecting and metering device | |
| CN105010095B (en) | Specific discharge type irrigation water metering and controlling device | |
| CN106769198A (en) | A kind of vertical suspended load sampling apparatus in river | |
| CN203361087U (en) | Symmetrical type slope water-sediment collecting trough | |
| CN103837450B (en) | A kind of runoff and sediment measurement mechanism of the thin function of thick row of becoming silted up based on silt arrester | |
| CN202141482U (en) | Flow measuring device for forest areas | |
| CN211262372U (en) | Graded measurement type flow monitoring well | |
| CN208650000U (en) | A kind of wet type grass planting ditch | |
| CN206132149U (en) | Slope cropland earth channel combination formula tipping bucket flowmeter | |
| CN208596239U (en) | The Anti-blocking structure of the tipping bucket rain gauge of meteorological detection | |
| CN204374202U (en) | A kind of device measuring rainfall on slope land-discharge series process and run-off | |
| CN206192989U (en) | Paddy field surface runoff collection device suitable for different run -offs | |
| CN208379718U (en) | A kind of rain water drainage and filtering control device | |
| CN206593710U (en) | A kind of water stream and current surveying device | |
| CN106441476B (en) | Combined flow meter for hillside farmland runoff | |
| CN216816674U (en) | Runoff and sediment monitoring device for runoff plot | |
| CN106019414B (en) | A kind of rainfall gauge | |
| CN106019415A (en) | Impurity prevention rain gauge | |
| CN209280056U (en) | Flow sensor | |
| CN208255226U (en) | A kind of rainwash collection monitoring device |
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 | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110518 Assignee: HANGZHOU YOUCHUANG ENVIRONMENTAL ENGINEERING TECHNOLOGY Co.,Ltd. Assignor: Zhejiang University Contract record no.: 2015990001086 Denomination of invention: Agricultural drain water collecting and metering device Granted publication date: 20120425 License type: Common License Record date: 20160105 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |