CN107941305A - A kind of drowned flow artificial wet land water level gauge and its detection method - Google Patents
A kind of drowned flow artificial wet land water level gauge and its detection method Download PDFInfo
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- CN107941305A CN107941305A CN201711139761.5A CN201711139761A CN107941305A CN 107941305 A CN107941305 A CN 107941305A CN 201711139761 A CN201711139761 A CN 201711139761A CN 107941305 A CN107941305 A CN 107941305A
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- survey meter
- inner core
- outer tube
- water level
- wet land
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
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- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
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Abstract
The invention discloses a kind of drowned flow artificial wet land water level gauge and its detection method, including：Survey meter inner core, survey meter outer tube and resistance indicator；Survey meter inner core includes：Inner core apex electrode rod and inner core bottom electrode piece；The inner core apex electrode rod is connected with inner core bottom electrode piece by internal connecting wire；The top of survey meter outer tube is equipped with outer tube apex electrode piece, and the resistance indicator connects inner core apex electrode rod and outer tube apex electrode piece respectively；Survey meter inner core is equipped with scale, and when the zero graduation line on survey meter inner core maintains an equal level with survey meter outer tube top, survey meter inner core is in same level with survey meter outer tube bottom.Beneficial effect of the present invention：Set using inner core, outer tube quickly can carry out reading to height of water level, its result is accurately and reliably；Stainless steel outer tube can build the later stage in drowned flow artificial wet land and squeeze into Medium Culture, can set any more monitoring site, greatly reduce the complexity of wetland construction.
Description
Technical field
The present invention relates to artificial swamp water-level detecting technical field, more particularly to a kind of drowned flow artificial wet land water level gauge
And its detection method.
Background technology
Drowned flow artificial wet land, which has, invests the advantages such as, management convenience low with operating cost, beautification of landscape, Ecology storage,
At present, the profound purification such as tail water produced by municipal sewage treatment plant, polluted river water field it has been widely used in, in regeneration aqua again
Raw, ecology fusion etc. has prominent technical advantage and wide application prospect.Water level is the key factor of hydrology mechanism,
Water level height and SEA LEVEL VARIATION directly affect the living environment of wetland plant and microorganism, and then influence the operation effect of wet land system
Fruit, has subsurface flow constructed wetland system Function important influence.
Aquatic plants growth development in subsurface flow constructed wetland system needs to maintain certain water level, and water level is too high or too low
All it is unfavorable for the growth of plant.Flow of inlet water is unreasonable in wetland operational process, Wetland Substrate blocks can cause short stream and surface
Phenomena such as cross flow, and then the detergent power of wet land system is reduced, and bring safe and healthy hidden danger.Wetland operation, management and maintenance
Need to according to heavy rain, arid, ice period, block situations such as water level is reasonably adjusted, avoid water level it is too high or too low, intake
Choke water phenomena such as being flooded with water outlet in end.Therefore, accurate measure is carried out to each stage water level of current wetland contributes to grasp system
Internal current conditions, scientific basis is provided for its operation regulation and control, is also the progress of the correlative studys such as wetland SEA LEVEL VARIATION influence
Technical support is provided.
Existing current wetland usually realizes level measuring using water-level observation pond or water level pipe, and method of direct observation exists accurate
Spend the drawbacks of low, construction cost is high and monitoring site is few.Except method of direct observation, level measuring method usually has pressure difference at present
Method, float method, supercritical ultrasonics technology, magnetic method etc., but due to being shallow-layer water body in current wetland, and it is wetland bed in be full of filler, these
Method there are accuracy it is low and complicated, poor for applicability the problems such as, be not suitable for promoting in drowned flow artificial wet land water-level detecting
Using.In recent years, method judges water level with the change of liquid level by Sensitive Apparatus resistance value, although its measuring accuracy is high,
But its control circuit is more complicated, its application is limited；Water-level detecting probe can utilize the electric conductivity of water to judge height water
Position, the method is simple and practicable, but single probe is only capable of judging whether systematic water level reaches a certain fixed position, and the method is difficult to
Meet requirement of the current wetland water-level detecting to precision.As what people ran subsurface flow constructed wetland system and managed increasingly weighs
Depending on, wetland water level, accurately measure becomes further significant, it is by maintain the ecologic stability of system, safeguard its sustainable operation
Strong technical guarantee is provided, drowned flow artificial wet land water stage measurement utilizes electrical method pair there is an urgent need for establishing a kind of accurate easy method
Drowned flow artificial wet land water level carries out the accurate also unprecedented report of measure.
The content of the invention
The purpose of the present invention is exactly to solve the above-mentioned problems, it is proposed that a kind of drowned flow artificial wet land water level gauge and its
Detection method, the system and method accuracy is high, easy to operate, can be used in the accurate survey of artificial swamp shallow-layer water body water level
It is fixed.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of drowned flow artificial wet land water level gauge, including：Survey meter inner core, survey meter outer tube and resistance indicator；
The survey meter inner core includes：Inner core apex electrode rod and inner core bottom electrode piece；The inner core apex electrode rod
Connected with inner core bottom electrode piece by internal connecting wire；
The top of the survey meter outer tube is equipped with outer tube apex electrode piece, and the resistance indicator connects inner core top respectively
Electrode bar and outer tube apex electrode piece；
The survey meter inner core is equipped with scale, and the zero graduation line on survey meter inner core maintains an equal level with survey meter outer tube top
When, survey meter inner core is in same level with survey meter outer tube bottom.
Further, the survey meter inner core is prismatic.
Further, outer pipe seam has been evenly arranged on the survey meter outer tube, the least significant end of the outer pipe seam is not less than spy
Survey at the least significant end graduation position of instrument inner core..
Further, the outer tube outer surface of the survey meter is provided with the protrusion for preventing the outer packing of pipe joints.
Further, the survey meter outer tube bottom is Type B center bit shape.
Further, the survey meter outer tube top is arranged with perforate.
A kind of level detecting method of drowned flow artificial wet land water level gauge, including：
Keep in survey meter outer tube plumbness insertion drowned flow artificial wet land water, inner core is slowly inserted into outer tube；
Survey meter resistance indicator numerical value occurs significant changes or when reaching the critical value of alarm, at this time inner core bottom electrode
Piece is just contacted with the wetland water surface, reads the corresponding graduation mark numerical value in survey meter outer tube top, is the water level height of measured position
Degree.
A kind of substrate clogging detection method of drowned flow artificial wet land water level gauge, including：
It is initially that the vertical driving depth of survey meter outer tube is extremely close with drowned flow artificial wet land matrix depth to be measured, will after squeezing into
Outer tube rotates a few, prevents from being caught in filler in outer pipe seam using the squeezing action of surface bulge；
Constantly regulate survey meter outer tube height, and utilize survey meter inner core measurement height of water level；Until normal operation dive
The initial water level measured value of each monitoring point of artificial wetland is consistent；
The water level of each monitoring point is measured once every setting time；
When water level of some region of water level apparently higher than other regions, illustrate that there occurs substrate clogging in the region.
A kind of each layer porosity determination method of the drowned flow artificial wet land of drowned flow artificial wet land water level gauge, including：
Survey meter outer tube is inserted into subsurface flow constructed wetland system, adjustment survey meter inner core to setting height, fixed inner core
Position；
Water body will be rejoined after water body emptying in subsurface flow constructed wetland system, alarm is in survey meter resistance indicator
The critical value that lamp lights, record add the volume of water body；The hole of the height layer can be obtained according to the volume of obtained water body
Rate.
The beneficial effects of the invention are as follows：
Selection utilization electric-resistivity method of the present invention measures drowned flow artificial wet land water level, and natural water has with air electric conductivity
Significant difference, and then can precisely determine aqueous vapor delivery position；Using inner core, outer tube set can be quickly to height of water level
Reading is carried out, removable inner core significantly simplifies the complexity of device and improves the accuracy of result, measurement result
Accurately and reliably；Stainless steel outer tube can build the later stage in drowned flow artificial wet land and squeeze into Medium Culture, can set any more monitoring site,
Greatly reduce the complexity of wetland construction；The warning function of resistance indicator realizes the convenience to water level interface location, standard
Really, it is quick to judge, a kind of accurate level detecting method is this method provided, it is easy to operate, it is of low cost.
Brief description of the drawings
Fig. 1 is survey meter inner core schematic diagram of the present invention；
Fig. 2 is survey meter outer tube schematic diagram of the present invention；
Fig. 3 is drowned flow artificial wet land water-level detecting schematic diagram of the present invention.
Wherein, 1 is survey meter inner core, and 2 be inner core apex electrode rod, and 3 be internal connecting wire, and 4 be inner core bottom electrode
Piece, 5 be graduation mark, and 6 be survey meter outer tube, and 7 be outer pipe seam, and 8 be outer tube bottom drill bit, and 9 be surface bulge, and 10 be outer tube top
Perforate, 11 be outer tube apex electrode piece, and 12 be survey meter resistance indicator, and 13 be warning horn, and 14 be warning light, and 15 be crocodile
Electrode wires are pressed from both sides, 16 be drowned flow artificial wet land matrix, and 17 be the wetland water surface.
Embodiment：
The present invention will be further described with example below in conjunction with the accompanying drawings：
It is generally acknowledged that：Contain certain density ionic state material in natural water or sewage, water body has preferable conductive
Property, and air can realize that the accurate of drowned flow artificial wet land water level measures almost without conductive capability using this feature.The present invention
A kind of drowned flow artificial wet land water level gauge is disclosed, is mainly used in the accurately detecting of drowned flow artificial wet land water level, such as Fig. 1 institutes
Show, including：Survey meter inner core 1, survey meter outer tube 6 and survey meter resistance indicator 12；Electricity at 1 top of survey meter inner core placement one
Pole, survey meter outer tube 6 are another electrode, and two electrodes connection resistance indicator 12 is used to judge water air interface.
Survey meter inner core 1 includes inner core apex electrode rod 2, internal connecting wire 3, inner core bottom electrode piece 4 and graduation mark
5；
1 main material of survey meter inner core is rigid insulation plastics, such as polypropylene, polyphenylene sulfide rod, polyether-ether-ketone, main body
Shape is prismatic；Survey meter inner core bottom is in funnel-form, and the upper opening of funnel connects inner core main body；Such design can subtract
Liquid residue on few survey meter inner core 1, and then increase the accuracy of measurement.
As a kind of embodiment, 1 main material of survey meter inner core is polypropylene, and inner core main body is triangular prism-shaped, long
600mm, the bottom surface equilateral triangle length of side are 20mm, and bottom 30mm to 20mm is trigone bench-type, triangular platform bottom surface equilateral triangle
The length of side is reduced to 8mm, and bottom 20mm to bottom is triangular prism-shaped.
Inner core top is equipped with stainless steel electrode rod 2, electrode bar a diameter of 3-6mm, extension 15-30mm；Inside connects
It is waterproof single-core line to connect conducting wire 3 and connect top stainless steel electrode rod 2 and bottom stainless steel electrode piece 4, conducting wire, and circuit is completely exhausted
Edge plastic body wraps up；Inner core bottom stainless steel electrode piece 4 is wafer type, a diameter of 4-5mm, thickness 1-2mm, and electrode slice is located at
Ambroin main center；There are graduation mark 5, range 500-1100mm on inner core, minimum scale is millimeter, and zero graduation line is with visiting
When 6 top of survey instrument outer tube maintains an equal level, survey meter inner core 1 is in same level with 6 bottom of survey meter outer tube.
As a kind of embodiment, inner core apex electrode rod 2 a diameter of 3mm, extension 15mm；Internal connecting wire
4 are wrapped up by rigid insulation plastic body completely；Inner core bottom electrode piece 4 a diameter of 4mm, thickness 1mm；5 range of graduation mark is
500mm。
As shown in Fig. 2, survey meter outer tube 6 includes outer pipe seam 7, outer tube bottom drill bit 8, surface bulge 9, the perforate of outer tube top
10, outer tube apex electrode piece 11；6 material of survey meter outer tube is stainless steel, tubular type, long 500-1100mm, outside diameter 40mm, interior
Footpath is 30mm；
Survey meter outer tube 6 is equipped with outer pipe seam 7, outer 7 long 100mm of pipe seam, wide 4mm, and on outer tube section the angle angle of seam and seam
Spend for 90 °, vertical overlap length is 20mm, and outer pipe seam 7 is evenly distributed, and the least significant end of outer pipe seam is not less than survey meter inner core most
At low side graduation position.
For outer tube bottom drill bit 8 for Type B centre drill head dummy so that outer tube smoothly squeezes into Wetland Substrate, material is wolfram steel, long
50mm, top diameter 15mm, handle footpath diameter 40mm；Outer tube outer surface is provided with stainless steel protrusion 9 and is blocked with preventing seam, cuboid
Type, length 500-1000mm, bottom surface is square, length of side 5mm；
Outer tube top is with perforate 10 so that outer tube extracts, and perforate is at the 40mm of top, a diameter of 15mm, two perforate positions
Put symmetrical；Outer tube top is connected to stainless steel electrode piece 11 to measure, and electrode slice is away from top 40mm, cubic type, extension
For 10-20mm, high 20-40mm, thick 3-6mm.
As shown in figure 3, survey meter resistance indicator 12 includes warning horn 13 and warning light 14；Survey meter resistance indicator
12 ranges are 200K Ω, and minimum resolution is 100 Ω, and interior voltage supplied is 6V；Using impedance measurement chip monitoring resistor value, by number
According to being sent to microcontroller, and the alarm in some resistance range is realized by simple determining program, self-defined alarm scope is 0-
2K Ω, and two kinds of alarm modes of optional warning horn and warning light；Crocodile clip electrode wires cathode connection outer tube top electricity during measurement
Pole piece, anode connection inner core apex electrode rod.
The detection method of invention drowned flow artificial wet land water level gauge is：Keep in outer tube plumbness insertion water, by
Core is slowly inserted into outer tube, is in survey meter resistance indicator numerical value significant changes or the critical value of alarm to its position, at this time
Inner core bottom electrode piece is just contacted with the wetland water surface, reads the corresponding graduation mark numerical value in survey meter outer tube top, is to be surveyed
The height of water level of position.
Embodiment 1：
Each stage SEA LEVEL VARIATION of drowned flow artificial wet land judges substrate clogging.
Using certain small-sized drowned flow artificial wet land as research object, wetland water inlet is sewage disposal plant effluent, initially by survey meter
6 vertical driving depth of outer tube is extremely close with 16 depth of drowned flow artificial wet land matrix, and outer tube is rotated a few after squeezing into, utilizes surface
The squeezing action of protrusion 9 is prevented from being caught in filler in outer pipe seam 7, constantly using the measurement height of water level of survey meter inner core 1, and utilized outer
Lever is added to adjust the height of survey meter outer tube 6 through outer tube top perforate 10, until normal operation dive artificial wetland respectively monitors
The initial water level measured value of point is consistent, and keeps system water flow constant, the water level of an each point is measured every half a year.
The results show that survey meter resistance indicator 12 when 1 bottom of survey meter inner core is contacted with the drowned flow artificial wet land water surface 17
Numerical value significantly reduces, and a kilo-ohm order of magnitude numerical value is reduced to by outranging, and warning light occurs and light, and level measuring accuracy is
1mm, with the operation of system, drowned flow artificial wet land water inlet end water level gradually rises, and water inlet end water level is by initial stage after running 2 years
430mm be increased to 486mm, water outlet water level is without significant change, and illustrating inhalant region, there occurs obvious clogging.
Embodiment 2：
Each layer porosity determination of drowned flow artificial wet land.
Survey meter parameter is as noted above, using laboratory scale drowned flow artificial wet land as research object, current wetland length
1500mm, wide 300mm, high 350mm, wetland kind have wilson iris, and density is 150 plants/m3, and water inlet type is tap water, will be visited
Survey in 6 insertion system of instrument outer tube, 1 height of adjustment survey meter inner core fixes inner core position to 110mm, and water body in wet land system is arranged
The tap water of certain volume is slowly added into after sky, the critical value that warning light lights, record are in survey meter resistance indicator 12
The water body volume of addition, survey meter inner core 1 is adjusted at 220mm and 330mm successively, repeats aforesaid operations.
The results show that the voidage of plant growth subsurface flow constructed wetland system at initial stage the upper, middle and lower is respectively
42.4%th, 44.0% and 42.6%, and pass through the growth period of 6 months, its porosity is divided into 38.0%, 43.4% and 42.4%,
Illustrate that plant root growth occupies about 10% voidage.
Although above-mentioned be described the embodiment of the present invention with reference to attached drawing, model not is protected to the present invention
The limitation enclosed, those skilled in the art should understand that, on the basis of technical scheme, those skilled in the art are not
Need to make the creative labor the various modifications that can be made or deformation still within protection scope of the present invention.
Claims (9)
- A kind of 1. drowned flow artificial wet land water level gauge, it is characterised in that including：Survey meter inner core, survey meter outer tube and resistance Indicator；The survey meter inner core includes：Inner core apex electrode rod and inner core bottom electrode piece；The inner core apex electrode rod and interior Core bottom electrode piece is connected by internal connecting wire；The top of the survey meter outer tube is equipped with outer tube apex electrode piece, and the resistance indicator connects inner core apex electrode respectively Rod and outer tube apex electrode piece；The survey meter inner core is equipped with scale, when the zero graduation line on survey meter inner core maintains an equal level with survey meter outer tube top, visits Survey instrument inner core and be in same level with survey meter outer tube bottom.
- 2. a kind of drowned flow artificial wet land water level gauge as claimed in claim 1, it is characterised in that the survey meter inner core is Prismatic.
- 3. a kind of drowned flow artificial wet land water level gauge as claimed in claim 1, it is characterised in that on the survey meter outer tube Outer pipe seam is evenly arranged, the least significant end of the outer pipe seam is not less than at the least significant end graduation position of survey meter inner core.
- 4. a kind of drowned flow artificial wet land water level gauge as claimed in claim 3, it is characterised in that outside the survey meter outer tube Surface is provided with the protrusion for preventing the outer packing of pipe joints.
- A kind of 5. drowned flow artificial wet land water level gauge as claimed in claim 1, it is characterised in that the outer tube bottom of the survey meter Hold as Type B center bit shape.
- A kind of 6. drowned flow artificial wet land water level gauge as claimed in claim 1, it is characterised in that the outer tube top of the survey meter End is arranged with perforate.
- A kind of 7. level detecting method using drowned flow artificial wet land water level gauge described in claim 1, it is characterised in that bag Include：Keep in survey meter outer tube plumbness insertion drowned flow artificial wet land water, inner core is slowly inserted into outer tube；Survey meter resistance indicator numerical value occurs significant changes or when reaching the critical value of alarm, at this time inner core bottom electrode piece with The wetland water surface just contacts, and reads the corresponding graduation mark numerical value in survey meter outer tube top, is the height of water level of measured position.
- 8. a kind of substrate clogging detection method using drowned flow artificial wet land water level gauge described in claim 1, its feature exists In, including：It is initially that the vertical driving depth of survey meter outer tube is extremely close with drowned flow artificial wet land matrix depth to be measured, by outer tube after squeezing into A few are rotated, prevents from being caught in filler in outer pipe seam using the squeezing action of surface bulge；Constantly regulate survey meter outer tube height, and utilize survey meter inner core measurement height of water level；Until normal operation dive person who lives in exile The initial water level measured value of each monitoring point of work wetland is consistent；The water level of each monitoring point is measured once every setting time；When water level of some region of water level apparently higher than other regions, illustrate that there occurs substrate clogging in the region.
- A kind of 9. each layer porosity determination of drowned flow artificial wet land using drowned flow artificial wet land water level gauge described in claim 1 Method, it is characterised in that including：Survey meter outer tube is inserted into subsurface flow constructed wetland system, adjustment survey meter inner core to setting height, fixed inner core position；Water body will be rejoined after water body emptying in subsurface flow constructed wetland system, it is bright to be in warning light to survey meter resistance indicator The critical value risen, record add the volume of water body；The porosity of the height layer can be obtained according to the volume of obtained water body.
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| CN201910704018.2A CN110332974B (en) | 2017-11-16 | 2017-11-16 | Undercurrent artificial wetland water level detector and detection method thereof |
| CN201711139761.5A CN107941305B (en) | 2017-11-16 | 2017-11-16 | A kind of drowned flow artificial wet land water level gauge and its detection method |
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| US20230003568A1 (en) * | 2021-07-01 | 2023-01-05 | China Three Gorges University | Water gauge for on-site monitoring and early warning |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110332974A (en) | 2019-10-15 |
| CN110332974B (en) | 2020-12-04 |
| CN107941305B (en) | 2019-10-18 |
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