CN106768161A - Underground water level measurement method - Google Patents
Underground water level measurement method Download PDFInfo
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- CN106768161A CN106768161A CN201610997393.7A CN201610997393A CN106768161A CN 106768161 A CN106768161 A CN 106768161A CN 201610997393 A CN201610997393 A CN 201610997393A CN 106768161 A CN106768161 A CN 106768161A
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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
- G01F23/14—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 measurement of pressure
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Abstract
The invention discloses a kind of underground water level measurement method, by measurement apparatus free releasing to well, when measurement apparatus touch groundwater level, the decentralization length of record connection electric wire can draw level of ground water；After measurement apparatus touch groundwater level, continue to stop decentralization after decentralization measurement apparatus are located at the following certain distance of the water surface to it, according to hydraulic pressure numerical value, distance of the measurement apparatus below the water surface can be drawn through conversion；When underground water level decreasing, the hydraulic pressure numerical value that measurement apparatus are measured diminishes, and continues to transfer measurement apparatus, until measurement apparatus are located at same distance below the water surface, according to the length that connection electric wire continues to transfer, is computed that level of ground water can be drawn；When level of ground water rises, the hydraulic pressure numerical value that measurement apparatus measurement is obtained becomes big, according to the hydraulic pressure numerical value after change, draws distance of the measurement apparatus below the water surface, is computed that level of ground water can be drawn.Underground water level measurement method of the invention, can carry out real-time follow-up in WATER LEVEL CHANGES.
Description
Technical field
The present invention relates to underground water level measurement technical field, more particularly to a kind of underground water level measurement method.
Background technology
Underground water is very close with the relation of the mankind, and well water and spring are the most underground water of mankind's routine use, are occupied
Irreplaceable status.But, underground water will also result in some and endanger, such as underground dilutional hyponatremia, and railway, highway can be caused to collapse
Fall into, flood mining area tunnel, form marshland etc..
Progressively expand and deepen along with mankind's breadth and depth movable on earth, superficial part and Deep Groundwater resource
Influenceed by varying degrees.The survey of land and resources implemented by Chinese Academy of Geological Sciences's hydrological environment Institute of Geology
Planning item《North China Plain Groundwater Contamination Investigation is evaluated》Achievement shows：North China Plain phreatic water comprehensive quality it is overall compared with
Difference, and pollution is more serious, unpolluted underground water only accounts for the 55.87% of sampled point.Deep phreatic water comprehensive quality is slightly good
In phreatic water, pollute lighter.
At the same time, mankind's activity influences also more notable to groundwater run off.For example, most of oil exploitations are all in the world
Can be pressurizeed using groundwater resources, the oil body of equal volume is depressed into use of making a profit by earth's surface with this, met in coal mining and contained
Water layer can draw water pressure release (during Opencut coal mine mining meet water table carry out drainage using drainage well) in advance, then working seam.
As can be seen here, mankind's activity is very huge to Effect of Underground Water Level, in some instances it may even be possible to causes lithic drainage disorderly and decreases, or even whole
Layer underground water disappears, this life, larger challenge of proposition of industrial water source to region, if dealing with improperly, it will cause people
Member, the massive losses of property.
At present, for the measurement of level of ground water, domestic and international relevant unit be to respective subject knowledge and purposes very
Limited apparatus is used, without can from motion tracking detecting shaft level of ground water device occur.For example, when flatly
After inspection well is got through, just transferred to water layer using limnimeter, limnimeter is obtained apart from water surface elevation by induction installation, then lead to
The wire length crossed below well head calculates the height of water surface distance earth's surface well head.However, this method is excessively limited to, error
Greatly, and by many factors such as landform, stratum and construction itselfs influenceed, it is impossible to draw time and the sky of level of ground water true and reliablely
Between change.It can be seen that, for the research and development for intelligently descending level measurement device that real-time tracking can be carried out with water surface fluctuation in inspection well
With use, be very necessary.
But, existing dip meter device and device, cannot accomplish with level of ground water carry out dynamic realtime with
Track, in large-scale mining activities, oil field development, and in mankind's activity close quarters operation, it is impossible to accomplish precisely, rapidly to measure
And data processing, limit development process.
Therefore, with can with Decline or rise of groundwater level real-time intelligent tracking measurement, and earth's surface wellhead equipment in real time to measurement
Instrument electronic signal is digitized treatment, and the exploitation of a full set of measuring method and measurement apparatus of function such as port data output shows
Obtain particularly important.
The content of the invention
It is an object of the invention to provide a kind of underground water level measurement method, so that solve present in prior art can not be with
Decline or rise of groundwater level and carry out the technical problem of dynamic realtime tracking measurement.
To achieve these goals, the present invention uses following technical scheme：
A kind of underground water level measurement method that the present invention is provided, including：
Step 1, presets, and the center of inspection well well head will be positioned over for measuring the measurement apparatus of groundwater level；
Step 2, decentralization, by the connection electric wire for transmission signal being electrically connected with the measurement apparatus, will be described
Measurement apparatus free releasing, when the measurement apparatus touch groundwater level, is recorded under the connection electric wire in well
Degree of lengthening h2, it is known that the length of the measurement apparatus is h1, level of ground water is depth of the groundwater level apart from well head, i.e. underground
Water level H=h1+h2；
Step 3, stops decentralization, after the measurement apparatus touch groundwater level, continues to transfer the measurement apparatus
Stop decentralization after being located at the following certain distance of the water surface to it, according to the hydraulic pressure numerical value that the measurement apparatus measurement is obtained, draw institute
Distance of the measurement apparatus below the water surface is stated, it is h to record this distance3；
Step 4, when underground water level decreasing, the hydraulic pressure numerical value that the measurement apparatus measurement is obtained diminishes, and continues to transfer institute
Measurement apparatus are stated, until distance of the measurement apparatus below the water surface is h3, record the length that the connection electric wire continues to transfer
Degree △ h2, now, level of ground water is H=h1+h2+△h2；
Step 5, when level of ground water rises, the hydraulic pressure numerical value that the measurement apparatus measurement is obtained becomes big, after change
Hydraulic pressure numerical value, draw the measurement apparatus below the water surface apart from △ h3, now, level of ground water is H=h1+h2+h3-△
h3。
Further, when underground water level decreasing but when being not below the measurement apparatus, what the measurement apparatus measurement was obtained
Hydraulic pressure numerical value diminishes but more than zero, according to the hydraulic pressure numerical value after change, draw the measurement apparatus below the water surface apart from △
h3, now, level of ground water is H=h1+h2+h3-△h3。
Further, the measurement apparatus include measurement apparatus shell, wire seal lid, hydraulic pressure sensor and water-sensitive sensing
Device, the wire seal lid is arranged on the measurement apparatus cover top portion, and the hydraulic pressure sensor is arranged on the measurement apparatus
Outer casing bottom, the water-sensitive sensor is arranged on the hydraulic pressure sensor bottom.
Further, the connection electric wire is sensed through the wire seal lid with the hydraulic pressure sensor and the water-sensitive
Device is electrically connected with.
Further, main circuit board, the main circuit board and the connection electricity are fixedly connected with the hydraulic pressure sensor
Line is electrically connected with.
Further, the hydraulic pressure sensor is internally provided with pressure sensing piece, the pressure sensing piece and the main electricity
Road plate is electrically connected with.
Further, permeable hole is provided with the side wall of the hydraulic pressure sensor, the quantity of the permeable hole is 4, phase
The axis of the adjacent permeable hole is mutually perpendicular to.
Further, the water-sensitive sensor internal is provided with circuit board, and the circuit board is electrical with the main circuit board
Connection；
Be electrically connected with first electrode probe and second electrode probe on the circuit board, the first electrode probe from
The surface of the water-sensitive sensor is passed by the free end at end and the second electrode probe.
Further, between the surface of the first electrode probe and the second electrode probe and the water-sensitive sensor
It is provided with insulated enclosure circle.
The underground water level measurement method that the present invention is provided, measurement apparatus with the folding and unfolding of connection electric wire in the well on move down
It is dynamic, dynamic realtime tracking is carried out to level of ground water, after measurement apparatus touch the water surface, signal is fed back by connection electric wire, according to even
Connect wires the length of decentralization, draw the data of level of ground water, measurement apparatus are then immersed in certain distance in underground water, work as underground
During water level decreasing, continue to transfer measurement apparatus, until measurement apparatus are immersed in certain distance in underground water, according to connection electricity
Line continues the length transferred, and is computed drawing the data of the level of ground water after declining, and when level of ground water rises, is filled according to measurement
Put the height apart from the water surface, draw rise after level of ground water data, this underground water level measurement method can dynamic realtime with
Track measures the change of level of ground water, is adapted for popularization and application.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of application schematic diagram of underground water level measurement method that Fig. 1 is provided for the present invention；
The structural representation of measurement apparatus in a kind of underground water level measurement method that Fig. 2 is provided for the present invention；
The structural blast schematic diagram of measurement apparatus in a kind of underground water level measurement method that Fig. 3 is provided for the present invention；
The structural representation of hydraulic pressure sensor in a kind of underground water level measurement method that Fig. 4 is provided for the present invention；
A kind of structural representation of underground water level measurement method reclaimed water dependent sensor that Fig. 5 is provided for the present invention.
Reference：
1- connects electric wire；2- wire seal lids；3- measurement apparatus shells；
4- hydraulic pressure sensors；5- water-sensitive sensors；6- main circuit boards；
7- permeable holes；8- circuit boards；9- first electrode probes；
10- second electrode probes；11- measurement apparatus.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Embodiment one：
In the alternative of the present embodiment, as shown in figure 1, a kind of underground water level measurement method that the present embodiment is provided,
Including：
Step 1, presets, and the centre bit of inspection well well head will be positioned over for measuring the measurement apparatus 11 of groundwater level
Put；
Step 2, decentralization, by the connection electric wire 1 for transmission signal being electrically connected with measurement apparatus 11, measurement is filled
11 free releasings are put in well, when measurement apparatus 11 touch groundwater level, the decentralization length h of record connection electric wire 12,
The length of known measurement apparatus 11 is h1, level of ground water is depth of the groundwater level apart from well head, i.e. level of ground water H=h1+
h2；
Step 3, stops decentralization, after measurement apparatus 11 touch groundwater level, continues to transfer measurement apparatus 11 to its
Stop decentralization after the following certain distance of the water surface, the hydraulic pressure numerical value for obtaining is measured according to measurement apparatus 11, draw measurement apparatus
11 distance below the water surface, it is h to record this distance3；
Step 4, when underground water level decreasing, measurement apparatus 11 measure the hydraulic pressure numerical value for obtaining and diminish, and continue to transfer measurement
Device 11, until distance of the measurement apparatus 11 below the water surface is h3, the length △ h that the record connection continuation of electric wire 1 is transferred2, this
When, level of ground water is H=h1+h2+△h2；
Step 5, when level of ground water rises, measurement apparatus 11 measure the hydraulic pressure numerical value for obtaining and become big, after change
Hydraulic pressure numerical value, draw measurement apparatus 11 below the water surface apart from △ h3, now, level of ground water is H=h1+h2+h3-△h3。
In the alternative of the present embodiment, when underground water level decreasing but when being not below measurement apparatus 11, measurement apparatus 11
The hydraulic pressure numerical value that measurement is obtained diminishes but more than zero, according to the hydraulic pressure numerical value after change, draws measurement apparatus 11 below the water surface
Apart from △ h3, now, level of ground water is H=h1+h2+h3-△h3。
In the alternative of the present embodiment, as shown in Fig. 2 measurement apparatus 11 include measurement apparatus shell 3, wire seal
Lid 2, hydraulic pressure sensor 4 and water-sensitive sensor 5, wire seal lid 2 are arranged on the top of measurement apparatus shell 3, and hydraulic pressure sensor 4 sets
Put in the bottom of measurement apparatus shell 3, water-sensitive sensor 5 is arranged on the bottom of hydraulic pressure sensor 4.
In the alternative of the present embodiment, connection electric wire 1 is passed through wire seal lid 2 with hydraulic pressure sensor 4 and water-sensitive
Sensor 5 is electrically connected with.
In the present embodiment, wire seal lid 2, measurement apparatus shell 3, hydraulic pressure sensor 4 and water-sensitive sensor 5 are arrived from above
Under be sequentially connected, connection electric wire 1 through wire seal lid 2, into measurement apparatus shell 3 and with hydraulic pressure sensor 4 and water-sensitive
Sensor 5 is electrically connected with, and measurement apparatus 11 are transferred by well head, and with the folding and unfolding of connection electric wire 1, measurement apparatus 11 are upper and lower in well
It is mobile, level of ground water is measured in real time.
When measurement apparatus 11 touch the water surface, water-sensitive sensor 5 is fed back signal by connection electric wire 1, according to connection electricity
The decentralization length h of line 12, and known measurement apparatus 11 length h1, level of ground water H=h can be drawn1+h2。
Connection electric wire 1 continues to transfer, and decentralization is stopped after making the following certain distance of the water surface of the water located underground of measurement apparatus 11,
Hydraulic pressure sensor 4 measures hydraulic pressure data, it can thus be concluded that going out the distance between measurement apparatus 11 and water surface h3。
When underground water level decreasing, measurement apparatus 11 measure the hydraulic pressure numerical value for obtaining and diminish, and continue to transfer measurement apparatus 11,
Until distance of the measurement apparatus 11 below the water surface is h3, the length △ h that the record connection continuation of electric wire 1 is transferred2, now, underground water
Position is H=h1+h2+△h2, the method drops to situation of the measurement apparatus below 11 suitable for level of ground water, i.e., hydraulic pressure numerical value becomes
It is zero situation.
Additionally, when underground water level decreasing but when being not below hydraulic pressure sensor 4, measurement apparatus 11 measure the hydraulic pressure numerical value for obtaining
Diminish but more than zero, according to the hydraulic pressure numerical value after change, draw measurement apparatus 11 below the water surface apart from △ h3, now, ground
Lower water level is H=h1+h2+h3-△h3。
This underground water level measurement method, measurement data is accurate, and error is smaller, and is influenceed smaller by environmental factor.
In the present embodiment, measurement apparatus shell 3 is cylindrical shape, and the measurement apparatus shell 3 of cylindrical shape is conducive to this
Device is moved up and down in water, and movement is smooth, and to after the following certain distance of basal water table, easy holding position stabilization makes measurement
Data are more accurate.
Hydraulic pressure sensor 4 for round table-like, the basal diameter of hydraulic pressure sensor 4 and the diameter of section phase of measurement apparatus shell 3
Together, the bottom surface of hydraulic pressure sensor 4 is connected to the bottom of measurement apparatus shell 3.In the present embodiment, round table-like hydraulic pressure sensor
4 are conducive to decentralization of the present apparatus in water, in two planes up and down of hydraulic pressure sensor 4, area it is larger be bottom surface, area is smaller
Be top surface, in upper, top surface under, and its underrun is threaded in measurement apparatus shell 3 for the bottom surface of hydraulic pressure sensor 4
Bottom, and junction is provided with sealing rubber ring.
In the alternative of the present embodiment, as shown in figure 3, being fixedly connected with main circuit on the bottom surface of hydraulic pressure sensor 4
Plate 6, main circuit board 6 is electrically connected with electric wire 1 is connected.In the present embodiment, connection electric wire 1, hydraulic pressure sensor 4 and water-sensitive sensing
Device 5 is electrically connected with main circuit board 6, and the effect of main circuit board 6 is mainly carries out signal transmission.
Fixture is provided with the bottom surface of hydraulic pressure sensor 4, the end of main circuit board 6 is bolted in fixture
On, thus main circuit board 6 is fixed on inside measurement apparatus shell 3.
In the alternative of the present embodiment, hydraulic pressure sensor 4 is internally provided with pressure sensing piece, pressure sensing piece and master
Circuit board 6 is electrically connected with.
In the alternative of the present embodiment, as shown in figure 4, permeable hole 7 is provided with the side wall of hydraulic pressure sensor 4, thoroughly
Perpendicular to the axis of measurement apparatus shell 3, the quantity of permeable hole 7 is 4 to the axis in water hole 7, and the axis of adjacent permeable hole 7 is mutual
Vertically.In the present embodiment, the axis of adjacent permeable hole 7 is mutually perpendicular to, and the axis of each permeable hole 7 is each perpendicular to measurement dress
The axis of shell 3 is put, hydraulic pressure sensor 4 is located at the top of permeable hole 7, measures the hydraulic pressure of the water in permeable hole 7, and measurement data is more
Accurately.
In the present embodiment, water-sensitive sensor 5 is round table-like, basal diameter and the hydraulic pressure sensor 4 of water-sensitive sensor 5
Top surface diameter is identical, and the bottom surface of water-sensitive sensor 5 is connected on the top surface of hydraulic pressure sensor 4.Round table-like water-sensitive sensor 5 is same
Sample is conducive to the present apparatus moving up and down in water, in two planes up and down of water-sensitive sensor 5, area it is larger be bottom surface, face
It is top surface that product is less, and in upper, top surface under, and its bottom surface connects with the top surface of hydraulic pressure sensor 4 for the bottom surface of water-sensitive sensor 5
Connect, connected mode is threaded connection or interference fit connection.
In the alternative of the present embodiment, as shown in figure 5, water-sensitive sensor 5 is internally provided with circuit board 8, circuit board 8
It is electrically connected with main circuit board 6；
First electrode probe 9 and second electrode probe 10, the freedom of first electrode probe 9 are electrically connected with circuit board 8
The free end of end and second electrode probe 10 passes the top surface of water-sensitive sensor 5.In the present embodiment, first electrode probe 9
One end is with second electrode probe 10 to be electrically connected with circuit board 8, the other end is located at water-sensitive through the top surface of water-sensitive sensor 5
Outside sensor 5, first electrode probe 9 exceedes second electrode probe 10 and exceeds water-sensitive beyond the length of the top surface of water-sensitive sensor 5
The length of the top surface of sensor 5, two electrode catheters are metal electrode probe.
When two electrode catheters contact underground water simultaneously, because containing a large amount of impurity in underground water, conductive, circuit connects
Logical, circuit board 8 sends tactile water power signal, when the dehydration of one of two electrode catheters, i.e. two electrode catheters are not connected by underground water
Logical, then circuit disconnects, and circuit board 8 sends dehydration electric signal.
In the alternative of the present embodiment, the top of first electrode probe 9 and second electrode probe 10 and water-sensitive sensor 5
Insulated enclosure circle is provided between face.In the present embodiment, the purpose of setting insulated enclosure circle is：In first electrode probe
Insulation processing is carried out between 9 and the top surface of second electrode probe 10 and water-sensitive sensor 5, failure during avoiding the present apparatus from using.
In the present embodiment, wire seal lid 2 is provided centrally with entrance hole, and connection electric wire 1 passes through entrance hole and main electricity
Road plate 6 is electrically connected with.The setting of entrance hole makes connection electric wire 1 be located on the axis of measurement apparatus shell 3, so that the present apparatus exists
Vertical state can be kept in decentralization process, is conducive to the present apparatus moving up and down in well, reach a below water surface spacing
From rear, the present apparatus can also make measurement result more accurate in vertical state.
Embodiment two：
In the alternative of the present embodiment, a kind of level of ground water of the application that the present embodiment is provided as described in embodiment one
The underground water level measurement device of measuring method, including measurement apparatus 11, connection electric wire 1, main frame and take-up and pay-off device.
In the present embodiment, take-up and pay-off device includes directive wheel, driving wheel and motor, and connection electric wire 1 is electrical with main frame
Connection, connection electric wire 1 is taken around by directive wheel and being wrapped on driving wheel.
After switching on power, by host computer control electric motor operation, motor drives driving wheel to rotate, and makes to be coiled in driving wheel
On connection electric wire 1 be able to folding and unfolding, connection electric wire 1 is connected by directive wheel with measurement apparatus 11, axis and the active of directive wheel
The diameter parallel of wheel, during connection 1 folding and unfolding of electric wire, drives directive wheel synchronous axial system, and measurement apparatus 11 are with the folding and unfolding of connection electric wire 1
Moved up and down in well, dynamic real-time measurement is carried out to level of ground water.
Measurement apparatus 11 are transferred by the center of well head, in decentralization process, are compiled with the pulse that main frame is electrically connected with
The number of turns that code device record directive wheel is rotated, and main frame is transferred data to, thus main frame calculates the length of the connection decentralization of electric wire 1
Degree.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (9)
1. a kind of underground water level measurement method, it is characterised in that including：
S1, presets, and the center of inspection well well head will be positioned over for measuring the measurement apparatus of groundwater level；
S2, decentralization, by the connection electric wire for transmission signal being electrically connected with the measurement apparatus, by the measurement apparatus
Free releasing, when the measurement apparatus touch groundwater level, records the decentralization length h of the connection electric wire in well2,
The length of the known measurement apparatus is h1, level of ground water is depth of the groundwater level apart from well head, i.e. level of ground water H=h1
+h2；
S3, stops decentralization, after the measurement apparatus touch groundwater level, continues the decentralization measurement apparatus and is located to it
Stop decentralization after the following certain distance of the water surface, according to the hydraulic pressure numerical value that the measurement apparatus measurement is obtained, draw the measurement dress
The distance below the water surface is put, it is h to record this distance3；
S4, when underground water level decreasing, the hydraulic pressure numerical value that the measurement apparatus measurement is obtained diminishes, and continues to transfer the measurement dress
Put, until distance of the measurement apparatus below the water surface is h3, record the length △ h that the connection electric wire continues to transfer2, this
When, level of ground water is H=h1+h2+△h2；
S5, when level of ground water rises, the hydraulic pressure numerical value that the measurement apparatus measurement is obtained becomes big, according to the hydraulic pressure number after change
Value, draw the measurement apparatus below the water surface apart from △ h3, now, level of ground water is H=h1+h2+h3-△h3。
2. underground water level measurement method according to claim 1, it is characterised in that when underground water level decreasing but be not below institute
When stating measurement apparatus, the hydraulic pressure numerical value that the measurement apparatus measurement is obtained diminishes but more than zero, according to the hydraulic pressure numerical value after change,
Draw the measurement apparatus below the water surface apart from △ h3, now, level of ground water is H=h1+h2+h3-△h3。
3. underground water level measurement method according to claim 2, it is characterised in that the measurement apparatus include measurement apparatus
Shell, wire seal lid, hydraulic pressure sensor and water-sensitive sensor, the wire seal lid are arranged on the measurement apparatus shell top
Portion, the hydraulic pressure sensor is arranged on the measurement apparatus outer casing bottom, and the water-sensitive sensor is arranged on the hydraulic pressure sensing
Device bottom.
4. underground water level measurement method according to claim 3, it is characterised in that the connection electric wire passes through the electric wire
Closure is electrically connected with the hydraulic pressure sensor and the water-sensitive sensor.
5. underground water level measurement method according to claim 4, it is characterised in that be fixedly connected on the hydraulic pressure sensor
There is main circuit board, the main circuit board is electrically connected with the connection electric wire.
6. underground water level measurement method according to claim 5, it is characterised in that the hydraulic pressure sensor is internally provided with
Pressure sensing piece, the pressure sensing piece is electrically connected with the main circuit board.
7. underground water level measurement method according to claim 6, it is characterised in that set on the side wall of the hydraulic pressure sensor
Permeable hole is equipped with, the quantity of the permeable hole is 4, and the axis of the adjacent permeable hole is mutually perpendicular to.
8. underground water level measurement method according to claim 5, it is characterised in that the water-sensitive sensor internal is provided with
Circuit board, the circuit board is electrically connected with the main circuit board；
First electrode probe and second electrode probe, the free end of the first electrode probe are electrically connected with the circuit board
With the surface that the free end of the second electrode probe passes the water-sensitive sensor.
9. underground water level measurement method according to claim 8, it is characterised in that the first electrode probe and described
Insulated enclosure circle is provided between the surface of two electrode catheters and the water-sensitive sensor.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108036835A (en) * | 2017-11-22 | 2018-05-15 | 中冶天工集团有限公司 | Underground water level measurement method |
| CN108362354A (en) * | 2017-11-14 | 2018-08-03 | 中国矿业大学 | A kind of portable well groundwater level water temperature limnograph device |
| CN110243430A (en) * | 2019-07-29 | 2019-09-17 | 北京市政路桥股份有限公司 | A kind of groundwater level monitoring device |
| CN111024188A (en) * | 2019-12-10 | 2020-04-17 | 东南大学 | Deep foundation pit underground water level measuring device and method based on single chip microcomputer |
| CN114076626A (en) * | 2021-11-18 | 2022-02-22 | 贵州省水利水电勘测设计研究院有限公司 | Underground water level measuring device and method |
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| CN114076626A (en) * | 2021-11-18 | 2022-02-22 | 贵州省水利水电勘测设计研究院有限公司 | Underground water level measuring device and method |
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