CN106197607A - A kind of device and method of accurate measurement level of ground water - Google Patents
A kind of device and method of accurate measurement level of ground water Download PDFInfo
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- CN106197607A CN106197607A CN201610696792.XA CN201610696792A CN106197607A CN 106197607 A CN106197607 A CN 106197607A CN 201610696792 A CN201610696792 A CN 201610696792A CN 106197607 A CN106197607 A CN 106197607A
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Abstract
The invention provides the device and method of a kind of accurate measurement level of ground water, the depth transducer of this device and Surface electrode are connected with depth transducer signal input part and the Surface electrode signal input part wire of harvester respectively；In 2 wells, electrode is connected with electrode signal input cable in the well of harvester；Harvester includes alarm module and data processing module；Start when alarm module electrode sensor in well contacts with groundwater level and report to the police；Depth transducer monitor in real time with when being put in well under level electrode sensor cable transfer the degree of depth；Data processing module calculates Ground-water level accurately according to electrode collection result.The inventive method is measured by said apparatus.The present invention utilizes in well in 2 wells the resistance between resistance, Surface electrode and WIH potential electrode sensor between electrode to integrate judgement, then substantially increase accuracy.
Description
Technical field
The invention belongs to Geological Hazards Monitoring, prevent field, be the device and method of a kind of accurate measurement level of ground water.
Background technology
By China Geological Univ. Wuhan Liu Yi et al. declare " one descends level measurement device and measurement side simply
Method " in (application publication number: CN105004400 A), its method is that the positive and negative test pencil of circuit tester is fixed on pouring weight both sides, general-purpose
The negative test pencil of table is connected with wire, and the wire other end is connected with circuit tester.When measuring level of ground water, by wire by circuit tester
Down-hole put into by positive and negative test pencil, observes the resistance variations between the positive and negative test pencil of circuit tester simultaneously.When the positive and negative test pencil of circuit tester not in contact with
During subsoil water, the resistance between the positive and negative test pencil of circuit tester should be infinitely great, when circuit tester positive and negative test pencil contact subsoil water, and ten thousand
Should diminish with the resistance between the positive and negative test pencil of table at once.Now record wire and put into the length of down-hole, underground can be obtained
The degree of depth of water level.
This measuring method has the disadvantage that one is owing to pouring weight is relatively thin, when running into boring steep dip in actual applications
During cranny development, pouring weight is easily stuck at crack；Two is when running into certain depth of boring and having crevice water to gush out, and ten thousand tables can be caused to use
Throw of pointer, thus cause erroneous judgement；Three is when testing deep-well, and pouring weight is easily generated in decentralization process and rocks, and makes circuit tester
After positive and negative test pencil is stained with clay, resistance changes, and causes erroneous judgement；Four is that test data can not preserve, and technical staff cannot
Carry out the accuracy of test result follow-up checking and correcting；Five is that test process is rule of thumb sentenced with tester entirely
Disconnected, precision is the highest.
Summary of the invention
It is an object of the invention to provide the device and method of a kind of accurate measurement level of ground water, it is intended to solve existing underground
The inaccurate problem of level measuring result.
The present invention is achieved in that the device of a kind of accurate measurement level of ground water, and this device includes harvester, 2 wells
Middle electrode, depth transducer, Surface electrode and cable；
Described depth transducer and Surface electrode respectively with depth transducer signal input part and the earth's surface of harvester
Electrode signal input wire connects；In described well, electrode sensor is with electrode signal input cable in the well of harvester even
Connect；Described harvester includes alarm module and data processing module；Wherein,
Described alarm module, in well, electrode sensor starts warning when contacting with groundwater level；
Described depth transducer, in real time monitoring with when being put in well under level electrode sensor cable transfer deep
Degree；
Described data processing module, is used for resistance, Surface electrode and electrode in each well between electrode in 2 wells of collection
Between resistance and cable transfer the degree of depth, and calculate Ground-water level accurately according to collection result.
Preferably, described device also includes spider；Wherein, described depth transducer is fixed on spider top, described
Cable is wound on spider roller.
Preferably, described device also includes that the protective cover that insulant is made, described protective cover surface are evenly equipped with permeable hole；
Wherein, electrode in described 2 wells it is fixed with in described protective cover.
Preferably, described harvester also includes the logging modle being located at inside and stores module, described logging modle, storage
Module is all connected with data processing module；Wherein, described logging modle measures process, described storage for the record of each sensor
Storing module is for preserving the measurement data of each sensor and the result of calculation of data processing module.
Preferably, described depth transducer is provided with adjustment zero module；Described adjustment zero module, for adopting depth transducer
The depth data zero of collection.
Preferably, described alarm module is acoustic alarm and light warning one or combines；Wherein, described alarm settings is for when 2
In root well, the resistance between resistance, Surface electrode and each level electrode sensor between electrode is simultaneously less than predetermined value Times
Alert.
A kind of method of accurate measurement level of ground water, is measured by the device of above-mentioned accurate measurement level of ground water, should
Method comprises the following steps:
S1, depth transducer is placed in well head, Surface electrode is inserted under the other earth's surface of well head；
S2,2 wells will connect after cable and transfer in well by electrode, when in described well, electrode bottom is positioned at well head, will
Depth transducer returns to zero；
S3, start harvester, slowly the probe of electrode in 2 wells is transferred in well, and observed data gather situation and
Alarm condition；
S4, gather in described 2 wells in resistance, Surface electrode and 2 wells between electrode between electrode by harvester
Resistance and the reading of depth transducer, calculate Ground-water level accurately.
Preferably, described step S1 also includes: tripod is installed on well head, and depth transducer is placed in tripod
On；
In step S2, described cable is wound on spider roller.
The invention provides the device and method of a kind of accurate measurement level of ground water.In the present invention, electrode in 2 wells
Pop one's head in not in contact with to water time, between 2 electrodes, in Surface electrode and well, the resistance between electrode is the highest, the most several
Thousand Ω are the highest；If in 2 wells the probe of electrode touch water time, 2 with electricity between electrode, in Surface electrode and well
In the extreme, general about 100 Ω, even lower, change or point of inflexion on a curve by numerical values recited come resistance between pole
Judge whether probe enters in water.This invention ground increase measure electrode be mainly in 2 wells electrode when being introduced into water
By after the object short circuit such as earth, metal in probe, its resistance is the lowest, if only being sentenced by the resistance sizes of 2 well electrodes
Disconnected, it is easy to erroneous judgement；If even if the electrode in the probe of electrode is by the short circuit of the object such as earth, metal in 2 wells, but by increasing
Measure electrode (1 or 2) electrode and the resistance sizes of Surface electrode in 2 wells, only after electrode enters water in 2 wells
Its resistance just obvious step-down of meeting, it is ensured that it is accurate, reliable that water level is tested.
Compared to the shortcoming and defect of prior art, the method have the advantages that
(1) during the present invention utilizes well in 2 wells between resistance, Surface electrode and WIH potential electrode sensor between electrode
Resistance integrate judgement, then substantially increase accuracy.
(2) present invention is by having added a protective cover in 2 wells outside electrode, effectively prevents the crevice water of borehole wall
Or earth causes two electric pole short circuits.
(3) present invention utilizes the degree of depth that depth transducer record is popped one's head in, and probe when any position all can to pop one's head in into
Row zeroing, in order to be finely adjusted.
(4) harvester of the present invention can be to the resistance of electrode, earth's surface in 2 wells in the degree of depth of electrode, well in well 2 wells
The parameters such as electrode and the resistance of electrode in 2 wells in well preserve, it is simple to water level is checked, significantly by indoor technical staff
Ensure that the accuracy that water level is judged.
(5) cable of the present invention uses water-proofing treatment with electrode, and material of main part uses rubber or other insulant, and cable connects
Encapsulation process should be carried out at Tou, prevent water from penetrating into insulating barrier.
(6) harvester of the present invention sets audible alarm system, when in 2 wells resistance between electrode and Surface electrode with in well
When the resistance of level electrode sensor is simultaneously less than a certain setting value (such as: 100 Ω), then start acoustic alarm, to remind test person
Member note probe near water level, the position of work of asking someone accuracy of judgement.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention accurately measures under the device duty of level of ground water；
Fig. 2 is the structural representation of harvester in apparatus of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the structural representation that the present invention accurately measures under the device duty of level of ground water；Fig. 2 is that the present invention fills
Put the structural representation of middle harvester.
The device of a kind of accurate measurement level of ground water, this device includes electrode 2, depth transducer in 1,2 wells of harvester
3, Surface electrode 4 and cable 5；
As in figure 2 it is shown, described harvester 1 surface is provided with electrode signal input 1-1 in a pair well, a Surface electrode letter
A number input 1-2 and depth transducer signal input part 1-3, and described harvester 1 internal be provided with alarm module 1-4 and
Data processing module 1-5；Electrode signal input 1-1, Surface electrode signal input part 1-2, depth transducer letter in described well
Number input 1-3 and alarm module 1-4 is all connected with the data processing module 1-5 signal of telecommunication；
Described depth transducer 3 and Surface electrode 4 respectively with the depth transducer signal input part 1-3 of harvester 1 with
And Surface electrode signal input part 1-2 shielded cable connects；Electrode 2 and electrode signal in the well of harvester 1 in described 2 wells
Input 1-1 cable 5 connects；Wherein,
Described alarm module 1-4, starts when level electrode sensor contacts with groundwater level and reports to the police；
Described depth transducer 3, in real time monitoring with the transferring of cable 5 when being put in well 8 under level electrode sensor
The degree of depth；
Described data processing module 1-5, is used for resistance, Surface electrode 4 and each water between electrode 2 in 2 wells of collection
The degree of depth transferred by resistance and cable 5 between potential electrode sensor 2, and it is deep to calculate level of ground water accurately according to collection result
Degree.
In embodiments of the present invention, described alarm module 1-4 is acoustic alarm and light warning one or combines；Wherein, described
Alarm settings be when in 2 wells resistance between resistance, Surface electrode 4 and each level electrode sensor 2 between electrode 2 with
Time less than predetermined value alarm.
Cable 5 of the present invention uses water-proofing treatment with each sensor, and material of main part uses rubber or other insulant, cable
5 joints should carry out encapsulation process, prevents water from penetrating into insulating barrier.
On this basis, a kind of method that the invention provides accurate measurement level of ground water, comprise the following steps:
S1, depth transducer 3 is placed in well head, Surface electrode 4 is inserted under the other earth's surface of well head；
S2, transfer in well after in 2 wells, electrode 2 connects cable 5, when in described well, electrode 2 bottom is positioned at well head,
Depth transducer 3 is returned to zero；
S3, startup harvester 1, slowly transfer the probe of electrode 2 in 2 wells in well, and observed data gathers situation
And alarm condition；
S4, gather in described 2 wells electrode 2 in resistance, Surface electrode 4 and 2 wells between electrode 2 by harvester 1
Between resistance and the reading of depth transducer 3, calculate Ground-water level accurately.
In the actual application of the present invention, by transferring in well 8 after in 2 wells, electrode 2 connects cable 5, will
Depth transducer 3 is fixed on 8 mouthfuls of surfaces of well, is inserted into by Surface electrode 4 under the earth's surface on 8 mouthfuls of sides of well.When electrode 2 in 2 wells
When being just immersed under 8 mouthfuls of water positions of well, electricity between electrode and Surface electrode in electrode, well in 2 wells that harvester 1 is collected
When resistance is less than predetermined warning resistance, and control alarm module 1-4 startup warning, pop one's head in remind tester to note and arrived water
Near Wei, the position of work of asking someone accuracy of judgement.Staff stops transferring electrode 2 in 2 wells after obtaining alarm signal.Same with this
Time, detected the degree of depth of transferring of cable 5 by depth transducer 3, and combine Surface electrode 4 and measure it and sense with each level electrode
Resistance between device 2 is checked probe and is the most really carried out subsoil water.
Now, resistance between electrode 2 during harvester 1 reads described 2 wells, the degree of depth and Surface electrode 4 are transferred with every
Resistance between individual level electrode sensor 2, by resistance between electrode in cable length, 2 wells and Surface electrode with
The comprehensive analysis that the change of the resistance sizes between each level electrode sensor or the flex point of the degree of depth-resistance curve are come, to obtain
Obtain status water level depth accurately.
The present invention mainly uses air and is the insulator of electricity, water and is greatly electric conductor, by interelectrode electricity
Hinder values different in air and water to judge, when measuring, not only measure and put in 2 wells under well 8 between electrode 2
Resistance, and measure in Surface electrode 4 and 2 wells the resistance between electrode 2；Wherein, if electrode 2 is in 8 mistakes of going into the well in 2 wells
Meet water in journey or be stained with the earth in well 8, then during 2 wells tested by harvester 1, the resistance value between electrode 2 is the lowest；If only
Be that in 2 wells, electrode 2 is short-circuit because being connected by earth, then in Surface electrode 4 and 2 wells, resistance between electrode 2 remains as nothing
Poor big ∞, utilizes in well 8 in 2 wells in resistance, Surface electrode 4 and well 8 between electrode 2 in 2 wells the resistance between electrode 2 to combine
Judge altogether, then substantially increase accuracy.
Additionally, the present invention utilizes depth transducer 3 to record in 2 wells in the degree of depth of electrode 2, and 2 wells electrode 2 any
All can return to zero current investigation depth during position, the degree of depth that be recorded by harvester 1 can understand probe place at any time
Position, recalculates the most at any time, compares and directly measures more accurate, convenience by tape measure or tape measure, simultaneously
The degree of depth and the whole collected device 1 of related resistors all information of probe are recorded, it is simple to generate the degree of depth-resistance curve, make to combine
Close and judge that the degree of depth of level of ground water is more quick, accurately.
In further implementation process, for ease of operation, in embodiments of the present invention, above-mentioned accurate measurement level of ground water
Device also include spider 6；Wherein, described depth transducer 3 is placed on tripod 6, and described cable 5 is wound on spider 6
On roller.
During measurement, being erected on Jing8Kou by spider 6,8 mouthful three of well walked around by the cable 5 being connected with level electrode sensor 2
Level electrode sensor 2 is put into well 8 times by the pulley on foot rest 6 top.
In further implementation process, for the accuracy of guaranteed water level electrode sensor 2 measurement data, real in the present invention
Executing in example, the device of above-mentioned accurate measurement level of ground water also includes that protective cover 7, protective cover 7 surface are evenly equipped with permeable hole；Wherein,
Electrode 2 in described 2 wells it is fixed with in described protective cover 7.
In embodiments of the present invention, the effect of protective cover 7 is to prevent electrode 2 in 2 wells from contacting with Jing8Bi and gluing when rocking
Upper earth, or fall in the crack of Jing8Bi, affect measurement process and certainty of measurement；Protective cover 7 uses the insulation material that intensity is higher
Material is made；The groove of fixing level electrode sensor 2 it is provided with in protective cover 7, the most constant to guarantee the spacing between two electrodes,
Prevent two electric pole short circuits.
In further implementation process, more specifically, subsequent analysis, above-mentioned harvester 1 are carried out for ease of technical staff
Also include being located at logging modle 1-6 of inside and store module 1-7, described logging modle 1-6, storing module 1-7 all and data
Processing module 1-5 electrically connects；Wherein, described logging modle 1-6, process measured in the record for each sensor；Described storage mould
Block 1-7 is for preserving measurement data and the result of calculation of data processing module 1-5 of each sensor.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (8)
1. the device of an accurate measurement level of ground water, it is characterised in that this device includes electrode, the degree of depth in harvester, 2 wells
Sensor, Surface electrode and cable；
Described depth transducer and Surface electrode respectively with depth transducer signal input part and the Surface electrode of harvester
Signal input part wire connects；In described well, electrode sensor is connected with electrode signal input cable in the well of harvester；Institute
State harvester and include alarm module and data processing module；Wherein,
Described alarm module, in well, electrode sensor starts warning when contacting with groundwater level；
Described depth transducer, in real time monitoring with when being put in well under level electrode sensor cable transfer the degree of depth；
Described data processing module, for gathering in 2 wells in resistance, Surface electrode and each well between electrode between electrode
Resistance and cable transfer the degree of depth, and calculate Ground-water level accurately according to collection result.
2. the device accurately measuring level of ground water as claimed in claim 1, it is characterised in that described device also includes three feet
Frame；Wherein, described depth transducer is fixed on spider top, and described cable is wound on spider roller.
3. the device accurately measuring level of ground water as claimed in claim 2, it is characterised in that described device also includes the material that insulate
The protective cover that material is made, described protective cover surface is evenly equipped with permeable hole；Wherein, it is fixed with in described protective cover in described 2 wells
Electrode.
4. the device accurately measuring level of ground water as claimed in claim 1, it is characterised in that described harvester also includes being located at
Internal logging modle and storage module, described logging modle, storage module are all connected with data processing module；Wherein, institute
State logging modle and measure process for the record of each sensor, described storage module for preserve the measurement data of each sensor with
And the result of calculation of data processing module.
5. the device accurately measuring level of ground water as claimed in claim 1, it is characterised in that described depth transducer is provided with tune
Whole zero module；Described adjustment zero module, for the depth data zero gathered by depth transducer.
6. the device accurately measuring level of ground water as claimed in claim 1, it is characterised in that described alarm module is acoustic alarm
Report to the police a kind of with light or combine；Wherein, described alarm settings be when in 2 wells resistance between electrode, Surface electrode with each
Resistance between level electrode sensor is simultaneously less than predetermined value alarm.
7. a method for accurate measurement level of ground water, by accurately measuring level of ground water described in any one of claim 1～6
Device measure, it is characterised in that the method comprises the following steps:
S1, depth transducer is placed in well head, Surface electrode is inserted under the other earth's surface of well head；
S2,2 wells will connect after cable and transfer in well, when electrode bottom is positioned at well head in described well, by the degree of depth by electrode
Sensor returns to zero；
S3, startup harvester, slowly transfer the probe of electrode in 2 wells in well, and observed data gathers situation and warning
Situation；
S4, by harvester gather in described 2 wells in resistance, Surface electrode and 2 wells between electrode between electrode
Resistance and the reading of depth transducer, calculate Ground-water level accurately.
8. the method accurately measuring level of ground water as claimed in claim 7, it is characterised in that described step S1 also includes: will
Tripod is installed on well head, and is placed on tripod by depth transducer；
In step S2, described cable is wound on spider roller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610696792.XA CN106197607B (en) | 2016-08-19 | 2016-08-19 | A kind of device and method of precise measurement level of ground water |
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|---|---|---|---|
| CN201610696792.XA CN106197607B (en) | 2016-08-19 | 2016-08-19 | A kind of device and method of precise measurement level of ground water |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106525191A (en) * | 2016-12-16 | 2017-03-22 | 江苏省水利科学研究院 | Portable water-level measuring post for measuring underground water level |
| CN106973268A (en) * | 2017-04-17 | 2017-07-21 | 中国电建集团贵阳勘测设计研究院有限公司 | Underwater building camera device and camera method |
| CN107167212A (en) * | 2017-07-06 | 2017-09-15 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | The reciprocal accurate limnimeter of detection type |
| 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 |
| CN109307544A (en) * | 2018-11-26 | 2019-02-05 | 河北省地质环境监测院 | A kind of Portable underground water water level well depth automatic measuring instrument and measurement method |
| CN110132450A (en) * | 2019-04-28 | 2019-08-16 | 内蒙古高等级公路建设开发有限责任公司 | Mountain tunnel drainage system Research on Automatic Measuring System of Temperature and test method |
| CN112901935A (en) * | 2021-01-20 | 2021-06-04 | 南京工程学院 | Data acquisition device capable of being remotely monitored and use method thereof |
| CN113073975A (en) * | 2021-03-04 | 2021-07-06 | 中国地质科学院岩溶地质研究所 | Device and method for sampling deep water sample in borehole |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106525191A (en) * | 2016-12-16 | 2017-03-22 | 江苏省水利科学研究院 | Portable water-level measuring post for measuring underground water level |
| CN106973268A (en) * | 2017-04-17 | 2017-07-21 | 中国电建集团贵阳勘测设计研究院有限公司 | Underwater building camera device and camera method |
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| CN109307544B (en) * | 2018-11-26 | 2024-03-12 | 河北省地质环境监测院 | Portable automatic underground water level well depth measuring instrument and measuring method |
| CN110132450A (en) * | 2019-04-28 | 2019-08-16 | 内蒙古高等级公路建设开发有限责任公司 | Mountain tunnel drainage system Research on Automatic Measuring System of Temperature and test method |
| CN112901935A (en) * | 2021-01-20 | 2021-06-04 | 南京工程学院 | Data acquisition device capable of being remotely monitored and use method thereof |
| CN112901935B (en) * | 2021-01-20 | 2023-06-16 | 南京工程学院 | Data acquisition device capable of being remotely monitored and application method thereof |
| CN113073975A (en) * | 2021-03-04 | 2021-07-06 | 中国地质科学院岩溶地质研究所 | Device and method for sampling deep water sample in borehole |
| CN113073975B (en) * | 2021-03-04 | 2022-07-12 | 中国地质科学院岩溶地质研究所 | Device and method for collecting deep water samples set in drill holes |
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