CN205228551U - Surface runoff monitoring devices with adjustable - Google Patents
Surface runoff monitoring devices with adjustable Download PDFInfo
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- CN205228551U CN205228551U CN201520990672.1U CN201520990672U CN205228551U CN 205228551 U CN205228551 U CN 205228551U CN 201520990672 U CN201520990672 U CN 201520990672U CN 205228551 U CN205228551 U CN 205228551U
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- weir
- adjustable
- data processor
- level sensor
- runoff
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Abstract
The utility model discloses a surface runoff monitoring devices with adjustable relates to the soil and water conservation monitoring technology field. The device comprises an album flow box (1), adjustable V -notch weir (2), level sensor (3), data processor (4) and (5) five parts of host computer. Collection flow box (1) openly opens there are triangle crest of weir (11), and open at the back has drainage hole (12), adjustable V -notch weir (2) are fixed in an album flow box (1) positive triangle crest of weir (11) and are located, and stepper motor controller (24) and the data processor (4) of adjustable V -notch weir (2) are connected, on an album flow box (1) top cap was fixed in in level sensor (3), level sensor (3) were connected with data processor (4), data processor (4) are connected with host computer (5). The utility model discloses but automatic adjustment V -notch weir contained angle is favorable to enlarging the runoff and measures the range, improves the runoff measurement accuracy under the different rainfall conditions, extensively is applicable to soil and water conservation monitoring field.
Description
Technical field
The utility model relates to water and soil conservation value technical field, is specifically related to a kind of adjustable rainwash monitoring device.
Background technology
Runoff monitoring is the important means of the research soil erosion and pollution of area source rule.Along with the development of monitoring technology, runoff is monitored automatically becomes development trend.Manifold, liquid level sensor and crest of weir are the Common combinations devices of current runoff monitoring, because the advantages such as measuring method is simple, silt not easily deposits are used widely in the monitoring of open tunnel type rainwash.In difform crest of weir, the application of triangular-notch weir is comparatively general.Triangle crest of weir is generally down isosceles triangle, and its monitoring principle is, is flowed through the section liquid level of crest of weir by liquid level sensor measurement, the more rule of thumb characteristic of fluid such as formulae discovery run-off and flow velocity.
At present, most of runoff monitoring device adopts fixed crest of weir, and if China Patent No. is a kind of slope plot runoff flow measurement system of triangular weir of 201110249797 propositions, its triangle crest of weir angle is fixed as 30 °.Because runoff distribution has spatio-temporal difference, in the different runoff plots in the same runoff plots under different condition of raining or under same condition of raining, may there is larger difference in its run-off.In heavy rain season, changes in runoff are particularly remarkable.Therefore, fixed crest of weir can not meet the large requirement of changes in runoff, need mate suitable crest of weir according to run-off, to avoid weir head too small or excessive and to improve the precision of footpath flow measurement.
China Patent No. is 201220030903 propose a kind of living and insert formula rainwash determinator and system, but insert formula crest of weir plate owing to living and relate to the multiple crest of weir patterns such as triangular-notch weir, rectangular weir, circular weir, compound crest of weir or Bashel weir, add the workload of the screening of crest of weir plate and execute-in-place, and the artificial mode changing crest of weir plate has certain retardance, also can not meet the automatic detection requirement for run-off real-time change.
Summary of the invention
The purpose of this utility model is, provides a kind of adjustable rainwash monitoring device.This device is made up of manifold, adjustable triangular weir, liquid level sensor, data processor and host computer five part, can be used for automatically, runoff under the different condition of raining of monitor.Advantage is by arranging sector movable weir plate and stepper motor, realizes the automatic adjustment of triangular-notch weir angle, effectively expands runoff and measures range and runoff monitoring precision under improving different condition of raining.
In order to achieve the above object, the utility model adopts following technical scheme:
Adjustable rainwash monitoring device is made up of manifold, adjustable triangular weir, liquid level sensor, data processor and host computer; Manifold is rectangular box, and casing front has triangle crest of weir, and the back side has conduction hole, and top cover is detachable; The triangle crest of weir place in manifold front is fixed on adjustable triangular weir, and the controllor for step-by-step motor on adjustable triangular weir is connected with data processor by data line; Liquid level sensor is fixed on manifold top cover, and liquid level sensor is connected with data processor by data line; Data processor is connected with host computer by data line;
Described adjustable triangular weir is made up of two pieces of sector movable weir plates, bearing, two stepper motors, controllor for step-by-step motor and arc tracks; The center of circle end of two pieces of sector movable weir plates is placed in bearing place, and the arc tips of sector movable weir plate is placed on the arc track that matches with it; Two stepper motors are individually fixed on the arc track of both sides, the gear of stepper motor and the engaged gears of sector movable weir plate arc tips; Bearing is placed in bottom triangle crest of weir and hits exactly; Two arc tracks are individually fixed in casing front, both sides, triangle crest of weir upper end.
Advantage of the present utility model:
Because the run-off produced in single rainfall has real-time change feature, runoff under causing the triangular-notch weir of fixed angle to be difficult to the different condition of raining of accurate measurements, the utility model solves the problems referred to above, by arranging sector movable weir plate and stepper motor, the change of visual runoff liquid level realizes the automatic adjustment of triangular-notch weir angle, thus the runoff effectively expanding monitoring device measure range, improve different condition of raining under runoff monitoring precision.This device simple operation, automaticity are high, enhance practicality, are widely used in water and soil conservation value field.
Accompanying drawing explanation
Fig. 1 is adjustable rainwash monitoring device structural representation.
Fig. 2 is the adjustable triangular weir structural representation of adjustable rainwash monitoring device.
Fig. 3 is the manifold casing front schematic view of adjustable rainwash monitoring device.
Wherein: 1 is manifold, 11 is triangle crest of weir, and 12 is conduction hole, and 2 is adjustable triangular weir, 21 is sector movable weir plate, and 22 is bearing, and 23 is stepper motor, and 24 is controllor for step-by-step motor, 25 is arc track, 3 liquid level sensors, and 4 is data processor, and 5 is host computer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
Adjustable rainwash monitoring device is made up of manifold 1, adjustable triangular weir 2, liquid level sensor 3, data processor 4 and host computer 5; Manifold 1 is rectangular box, and casing front has triangle crest of weir 11, and the back side has conduction hole 12, and top cover is detachable; Triangle crest of weir 11 place in manifold 1 front is fixed on adjustable triangular weir 2, and the controllor for step-by-step motor 24 on adjustable triangular weir 2 is connected with data processor 4 by data line; Liquid level sensor 3 is fixed on manifold 1 top cover, and liquid level sensor 3 is connected with data processor 4 by data line; Data processor 4 is connected with host computer 5 by data line;
Described adjustable triangular weir 2 is made up of two pieces of sector movable weir plates 21, bearing 22, two stepper motors 23, controllor for step-by-step motor 24 and arc tracks 25; The center of circle end of two pieces of sector movable weir plates 21 is placed in bearing 22 place, and the arc tips of sector movable weir plate 21 is placed on the arc track 25 that matches with it; Two stepper motors 23 are individually fixed on the arc track 25 of both sides, the gear of stepper motor 23 and the engaged gears of sector movable weir plate 21 arc tips; Bearing 22 is placed in bottom triangle crest of weir 11 and hits exactly; Two arc tracks 25 are individually fixed in casing front, both sides, triangle crest of weir 11 upper end.
Outside two pieces of described sector movable weir plates 21, sealing strip is set along radial direction.
Described liquid level sensor 3 is for gathering runoff liquid level information.
The parameter information that described data processor 4 gathers for reading and record liquid level sensor 3, and calculate the fluid parameter such as runoff rate and flow velocity according to liquid level information.
Described host computer 5 keeps real-time communication by data line and data processor 4, batch processing and analyze data processor 4 transmit data.
Workflow of the present utility model is:
In the present embodiment, triangle crest of weir 11 maximum angle
αbe set to 100 °, the constant interval of triangular-notch weir angle is set to 30-100 °; Two pieces of sector movable weir plate 21 central angles
βbe set to 38 ° (35 ° * 2+30 °=100 °, satisfied 38 ° of >35 °), guarantee when the actual angle of triangle crest of weir 11 is 30 °, both sides sector movable weir plate 21 and the district that overlaps respectively having 3 ° between casing, to strengthen the sealing of triangular-notch weir.The secondary step angle of this device monolithic sector movable weir plate 21 is set to 5 °, namely the secondary step angle of triangle crest of weir 11 angle is 10 ° (5 ° of * 2=10 °), then triangular-notch weir angle is divided into 30 °, 40 °, 50 °, 60 °, 70 °, 80 °, 90 ° and 100 ° totally 8 grades.The actual angle of triangle crest of weir 11 after sector movable weir plate 21 regulates is expressed as
α ', when actual angle is adjusted to maximal value, then
α=α '.Set liquid level sensor optimum measurement range as [
h l ,
h u ].
Adjustable rainwash monitoring device is positioned over runoff gathering place, runoff plots (as bayonet socket place), guarantees that runoff can enter manifold 1 through conduction hole 12.During rainfall, when runoff liquid level reach optimum measurement range lower limit corresponding to the minimum angle of triangle crest of weir 11 (
h l ) time, liquid level sensor 3 detects that runoff signal is started working, and the experimental formula that data processor 4 is corresponding according to the minimum angle of triangle crest of weir 11 calculates run-off.When runoff liquid level change, reach triangle crest of weir 11 preset angle the optimum measurement range upper limit (
h u ) time, data processor 4 by Signal transmissions to controllor for step-by-step motor 24, controllor for step-by-step motor 24 controls two, left and right stepper motor 23 and drives the two pieces of sector movable weir plates 21 in left and right respectively along inverse, clockwise direction synchronizing moving 5 °, makes the actual angle of triangle crest of weir 11 tune up 10 °; When runoff liquid level reach triangle crest of weir 11 preset angle optimum measurement range lower limit (
h l ) time, both sides sector movable weir plate 21 respectively along suitable, counterclockwise mobile, makes the actual angle of triangle crest of weir 11 turn 10 ° down under stepper motor 23 drives.As adjustment once, runoff liquid level is not in the optimum measurement range of corresponding angle, then data processor 4 continues signal transmission and continues to drive sector movable weir plate 21 to move, until runoff liquid level is in the optimum measurement range of corresponding angle to controllor for step-by-step motor 24, stepper motor 23.
Claims (3)
1. adjustable rainwash monitoring device, is characterized in that: this device is made up of manifold (1), adjustable triangular weir (2), liquid level sensor (3), data processor (4) and host computer (5); Manifold (1) is rectangular box, and casing front has triangle crest of weir (11), and the back side has conduction hole (12), and top cover is detachable; Triangle crest of weir (11) place in manifold (1) front is fixed on adjustable triangular weir (2), and the controllor for step-by-step motor (24) of adjustable triangular weir (2) is connected with data processor (4) by data line; Liquid level sensor (3) is fixed on manifold (1) top cover, and liquid level sensor (3) is connected with data processor (4) by data line; Data processor (4) is connected with host computer (5) by data line;
Described adjustable triangular weir (2) is made up of two pieces of sector movable weir plates (21), bearing (22), two stepper motors (23), controllor for step-by-step motor (24) and arc tracks (25); The center of circle end of two pieces of sector movable weir plates (21) is placed in bearing (22) place, and the arc tips of sector movable weir plate (21) is placed on the arc track (25) that matches with it; Two stepper motors (23) are individually fixed on the arc track (25) of both sides, the gear of stepper motor (23) and the engaged gears of sector movable weir plate (21) arc tips; Bearing (22) is placed in center, triangle crest of weir (11) bottom; Two arc tracks (25) are individually fixed in casing front, triangle crest of weir (11) both sides, upper end.
2. adjustable rainwash monitoring device according to claim 1, is characterized in that: described triangle crest of weir (11) angle is 30 °-100 °.
3. adjustable rainwash monitoring device according to claim 1, is characterized in that: outside two pieces of described sector movable weir plates (21), arrange sealing strip along radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520990672.1U CN205228551U (en) | 2015-12-03 | 2015-12-03 | Surface runoff monitoring devices with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520990672.1U CN205228551U (en) | 2015-12-03 | 2015-12-03 | Surface runoff monitoring devices with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205228551U true CN205228551U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520990672.1U Withdrawn - After Issue CN205228551U (en) | 2015-12-03 | 2015-12-03 | Surface runoff monitoring devices with adjustable |
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| CN (1) | CN205228551U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403269A (en) * | 2015-12-03 | 2016-03-16 | 中国科学院测量与地球物理研究所 | Adjustable surface runoff monitoring device |
| CN106324218A (en) * | 2016-08-24 | 2017-01-11 | 贵州师范大学 | Thin-layer even bypass channel for thin-layer even water and sediment simulation device |
| CN109024464A (en) * | 2018-06-14 | 2018-12-18 | 浙江工业大学 | A kind of device of model test regulation of boundary condition |
-
2015
- 2015-12-03 CN CN201520990672.1U patent/CN205228551U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403269A (en) * | 2015-12-03 | 2016-03-16 | 中国科学院测量与地球物理研究所 | Adjustable surface runoff monitoring device |
| CN105403269B (en) * | 2015-12-03 | 2018-10-30 | 中国科学院测量与地球物理研究所 | Adjustable rainwash monitoring device |
| CN106324218A (en) * | 2016-08-24 | 2017-01-11 | 贵州师范大学 | Thin-layer even bypass channel for thin-layer even water and sediment simulation device |
| CN109024464A (en) * | 2018-06-14 | 2018-12-18 | 浙江工业大学 | A kind of device of model test regulation of boundary condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20181030 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20181030 |