CN208568029U - A kind of underground water level measurement device - Google Patents
A kind of underground water level measurement device Download PDFInfo
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- CN208568029U CN208568029U CN201821268652.3U CN201821268652U CN208568029U CN 208568029 U CN208568029 U CN 208568029U CN 201821268652 U CN201821268652 U CN 201821268652U CN 208568029 U CN208568029 U CN 208568029U
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Abstract
The utility model discloses a kind of underground water level measurement devices, the device includes water level pipe, steel ruler water-level gauge and inclinometer, and data processing module, the bottom of the steel ruler water-level gauge is provided with centering guide device, the centering guide device includes two righting guiding mechanisms, two righting guiding mechanisms include guide rod, shaft, lower directive wheel and upper directive wheel, and the lower directive wheel and the upper directive wheel extend guide rod.The utility model is designed reasonably, by the way that centering guide device is arranged, it is accurate that guarantee level of ground water initial value measures, to be corrected according to the deviation angle of water level pipe to level of ground water initial value, obtains more accurate level of ground water, practical.
Description
Technical field
The utility model belongs to geotechnical engineering field of measuring technique, and in particular to a kind of underground water level measurement device.
Background technique
WATER LEVEL CHANGES has great influence to the intensity of Rock And Soil and deformation and to the stability of building, therefore
It often needs to be monitored level of ground water in engineering.Steel ruler water-level gauge is common water table measure instrument, mainly by water level
The compositions such as meter probe, steel ruler cable and reception system.When measuring level of ground water using steel ruler water-level gauge, usually in monitoring place
Water level pipe is set, probe is slowly transferred along water level pipe, when the water surface in probe contacts water level pipe, receives the circuit of system
It connects and issues sound and light signal, read the scale value on steel ruler cable at this time, can be obtained water level depth.Currently employed steel ruler water level
When meter measurement level of ground water, assume that water level pipe is vertical, however in practical projects, the feelings of water level pipe deflection often occur
Condition.For example, when water level pipe takes boring method to bury, not just or soft or hard rock stratum is alternate and inclination of strata etc. because of boring mechanic placement
Reason can also make water level pipe bury hole and glance off in drilling process, and then it is inclined to cause embedded water level pipe in the borehole to occur
Tiltedly, for another example it is arranged in and occurs in the biggish slope project of horizontal displacement, by the change of geological conditions, water level pipe can also occurs partially
It moves.If at this moment not considering the deflection influence of water level pipe, the Ground-water level surveyed will be obvious bigger than normal.Therefore, it is necessary to develop one
Kind underground water level measurement device.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide a kind of underground
Level measurement device, simple structure and reasonable design are popped one's head in by water-level gauge and obtain level of ground water initial value, and steel ruler water level
It counts bottom and centering guide device is set, the center line of guaranteed water level meter probe is overlapped with the center line of water level pipe, guarantees underground water
It is accurate that position initial value measures；And setting inclinometer detects the deviation angle of water level pipe, according to the deviation angle pair of water level pipe
Level of ground water initial value is corrected, and obtains more accurate level of ground water, practical.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of underground water level measurement device,
It is characterized in that: including the water level pipe being embedded in monitoring stratum, the steel ruler water-level gauge and inclinometer that are arranged in water level pipe, and
The bottom of the data processing module to connect with inclinometer, the steel ruler water-level gauge is provided with the water-level gauge for making steel ruler water-level gauge bottom
The centering guide device that the center line of probe is overlapped with the center line of water level pipe, steel ruler water-level gauge top are provided with steel ruler electricity
Cable is provided with scale on the steel ruler cable, is provided with connecting tube between the righting guiding mechanism and steel ruler water-level gauge, described
Centering guide device includes two sequentially connected righting guiding mechanisms from the bottom to top, the structure of two righting guiding mechanisms
Identical, two righting guiding mechanisms include guide rod, the shaft being rotatably installed in guide rod, are arranged in shaft lower end
Lower directive wheel and the upper directive wheel of shaft upper end is set, the lower directive wheel and the upper directive wheel extend guide rod
Outside, it is provided with torsional spring between the top and guide rod of the shaft, is provided with down between the lower section and guide rod of the shaft
Torsional spring is provided with permeable hole in the connecting tube；
The data processing module includes microcontroller and the liquid crystal touch screen that connects with microcontroller, the inclinometer
Output end connect with the input terminal of microcontroller.
Above-mentioned a kind of underground water level measurement device, it is characterised in that: the water level pipe inner periphery is provided with two groups in ten
The guide groove that font is laid, guide groove described in every group include two the first guide grooves and the second guide groove being symmetrically arranged, and described first
Guide groove and the second guide groove are laid along the length direction of water level pipe；
The inner wall of extension and the first guide groove that the lower directive wheel stretches out guide rod fits, and the lower directive wheel is stretched
The extension of guide rod can be slided along the first guide groove out, and the upper directive wheel stretches out the interior of the extension of guide rod and the second guide groove
Wall fits, and the extension that the upper directive wheel stretches out guide rod can be slided along the second guide groove.
Above-mentioned a kind of underground water level measurement device, it is characterised in that: it is heavy that the water level pipe is disposed with from bottom to top
Shallow lake section, drainage section and water portion is closed, the length of the precipitating phase is 0.5m~1m.
A kind of above-mentioned underground water level measurement device, it is characterised in that: the company of being provided at the top of the centering guide device
Connection interface, the connecting interface are fixedly connected by bolt with the lower part of connecting tube；
The connecting tube is hollow structure, and the water-level gauge probe is located in the connecting tube, the top of the connecting tube
The junction of steel ruler water-level gauge is provided with anchor ear, the upper end of the water-level gauge probe is not higher than the top of the permeable hole.
Compared with the prior art, the utility model has the following advantages:
1, the utility model underground water level measurement apparatus structure is simple, design is reasonable and easy, input cost is laid in installation
It is lower.
2, it is provided with centering guide device on the probe of water-level gauge used by the utility model underground water level measurement device, from
And ensure that the center line of water-level gauge probe is overlapped with the center line of water level pipe, avoid steel ruler water-level gauge due to test path not
With caused error, the precision of level of ground water initial value measurement is improved.
3, inclinometer used by the utility model underground water level measurement device detects simultaneously the deviation angle of water level pipe
It is sent to microcontroller, by the way that steel ruler water-level gauge to be used cooperatively with inclinometer, steel ruler water level evaluation is modified, further
Improve accuracy of measurement.
4, centering guide device used by the utility model underground water level measurement device includes two righting guiding
It is two-point contact that mechanism, which is the contact for directive wheel with water level pipe, so as to effectively limit the position of righting guiding mechanism,
And then effectively limit the position that water-level gauge is popped one's head in steel ruler water-level gauge.
In conclusion the utility model is designed reasonably, is popped one's head in by water-level gauge and obtains level of ground water initial value, and steel ruler water
Centering guide device is arranged in position meter bottom, and the center line of guaranteed water level meter probe is overlapped with the center line of water level pipe, guarantees underground
Water level initial value measures accurate；And setting inclinometer detects the deviation angle of water level pipe, according to the deviation angle of water level pipe
Level of ground water initial value is corrected, more accurate level of ground water is obtained, it is practical.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model underground water level measurement device.
Fig. 2 is the structure of the utility model underground water level measurement device centering guide device, connecting tube and steel ruler water-level gauge
Schematic diagram.
Fig. 3 is the structural schematic diagram of the utility model underground water level measurement device (when run-off the straight).
Fig. 4 is the schematic block circuit diagram of the utility model underground water level measurement device.
Description of symbols:
1-water level pipe；The first guide groove of 1-1-；The second guide groove of 1-2-；
1-3-precipitating phase；1-4-drainage section；1-5-closes water portion；
2-righting guiding mechanisms；2-1-guide rod；The lower directive wheel of 2-2-；
The lower torsional spring of 2-3-；2-4-goes up torsional spring；2-5-shaft；
2-6-goes up directive wheel 2-7-connecting interface；3-steel ruler water-level gauges；
3-1-water-level gauge probe；3-2-steel ruler cable；3-3-anchor ear；
4-connecting tubes；4-1-bolt；4-2-permeable hole；
5-drillings；5-1-hole wall；6-inclinometers；
7-microcontrollers；8-liquid crystal touch screens.
Specific embodiment
A kind of underground water level measurement device as shown in Figure 1, Figure 2 and Figure 4, including the water level pipe being embedded in monitoring stratum
1, steel ruler water-level gauge 3 and inclinometer 6 in water level pipe 1, and the data processing module to connect with inclinometer 6 are set, it is described
The bottom of steel ruler water-level gauge 3 is provided in the center line and water level pipe 1 for so that the water-level gauge of 3 bottom of steel ruler water-level gauge is popped one's head in 3-1
The centering guide device that heart line is overlapped, 3 top of steel ruler water-level gauge are provided with steel ruler cable 3-2, on the steel ruler cable 3-2
It is provided with scale, connecting tube 4, the centering guide device packet are provided between the righting guiding mechanism 2 and steel ruler water-level gauge 3
Two sequentially connected righting guiding mechanisms 2 from the bottom to top are included, the structure of two righting guiding mechanisms 2 is identical, two institutes
Stating righting guiding mechanism 2 includes guide rod 2-1, the shaft 2-5 being rotatably installed in guide rod 2-1, setting at shaft 2-5
The lower directive wheel 2-2 at the end and upper directive wheel 2-6 that the upper end shaft 2-5 is set, the lower directive wheel 2-2 and the upper directive wheel
2-6 extends outside guide rod 2-1, is provided with torsional spring 2-4 between the top and guide rod 2-1 of the shaft 2-5, and described turn
It is provided with lower torsional spring 2-3 between the lower section and guide rod 2-1 of axis 2-5, is provided with permeable hole 4-2 in the connecting tube 4；
The data processing module includes microcontroller 7 and the liquid crystal touch screen to connect with microcontroller 78, the survey
The output end of oblique instrument 6 connects with the input terminal of microcontroller 7.
In the present embodiment, 1 inner periphery of water level pipe is provided with two groups of guide grooves laid in cross, guide groove described in every group
It include two the first guide groove 1-1 being symmetrically arranged and the second guide groove 1-2, the first guide groove 1-1 and the second guide groove 1-2 equal
Length direction along water level pipe 1 is laid；
The inner wall of extension and the first guide groove 1-1 that the lower directive wheel 2-2 stretches out guide rod 2-1 fits, and described
The extension that lower directive wheel 2-2 stretches out guide rod 2-1 can be slided along the first guide groove 1-1, and the upper directive wheel 2-6 stretches out guide rod
The extension of 2-1 and the inner wall of the second guide groove 1-2 fit, and the upper directive wheel 2-6 stretches out the extension energy of guide rod 2-1
It is slided along the second guide groove 1-2.
In the present embodiment, the water level pipe 1 is disposed with precipitating phase 1-3, drainage section 1-4 from bottom to top and closes water portion 1-
The length of 5, the precipitating phase 1-3 are 0.5m~1m.
In the present embodiment, connecting interface 2-7 is provided at the top of the centering guide device, the connecting interface 2-7 is logical
Bolt 4-1 is crossed to be fixedly connected with the lower part of connecting tube 4；
The connecting tube 4 is hollow structure, and the water-level gauge probe 3-1 is located in the connecting tube 4, the connecting tube 4
Top and the junction of steel ruler water-level gauge 3 be provided with anchor ear 3-3, the upper end of the water-level gauge probe 3-1 is not higher than described
The top of water hole 4-2.
In the present embodiment, it is evenly equipped with water hole on the drainage section 1-4, is entered in water level pipe 1 for the ease of underground water,
Water-level gauge probe 3-1 measures level of ground water.
In the present embodiment, described close on water portion 1-5 is not provided with via hole, is for the ease of the steel ruler electricity in steel ruler water-level gauge 3
Cable 3-1 is worn, and avoids underground water to steel ruler cable 3-1 corrosion and damage.
In the present embodiment, the precipitating phase 1-3 is not provided with via hole, be in order to be used to deposit drainage section 1-4 bring into it is a small amount of
Silt particle.
In the present embodiment, the height of the righting guiding mechanism 2 is 30cm~50cm, is because righting guiding mechanism 2 is long
If degree is higher than 50cm, righting guiding mechanism 2 slides unsmooth in inclined water level pipe 1, not can be effectively carried out righting, if
The height of righting guiding mechanism 2 is less than 30cm, then in 2 slipping of righting guiding mechanism, steel ruler water-level gauge 3 cannot be driven whole
It is mobile, so that effectively the water-level gauge probe position 3-1 in steel ruler water-level gauge 3 cannot be adjusted.
In the present embodiment, the setting of two righting guiding mechanisms is on the one hand to suitably increase righting Guiding machine
The height of structure 2 improves righting effect；It on the other hand, is to descend directive wheel in this way because if a righting guiding mechanism is only arranged
2-2 is only point contact with the contact of the first guide groove 1-1 and upper directive wheel 2-6 with the contact of the second guide groove 1-2, and such righting is led
Can rotate to mechanism, thus by two righting guiding mechanisms of setting so that lower directive wheel 2-2 and the contact of the first guide groove 1-1 and
Upper directive wheel 2-6 is two-point contact with the contact of the second guide groove 1-2, so as to effectively limit the position of righting guiding mechanism
It sets, and then effectively limits the position of water-level gauge probe 3-1 in steel ruler water-level gauge 3.
In the present embodiment, torsional spring 2-4 and lower torsional spring 2-3 in setting is in order to when placing steel ruler water-level gauge 3, in order to suitable
Inclined water level pipe 1 is answered, lower directive wheel 2-2 and upper directive wheel 2-6 drive shaft 2-5 to rotate upwardly and downwardly, and shaft 2-5 is rotated upwardly and downwardly
Upper torsional spring 2-4 and lower torsional spring 2-3 is squeezed in the process, the upper torsional spring 2-4 and lower torsional spring 2-3 of extruding provide support force for shaft 2-5,
So that the position shaft 2-5 is stablized.
In the present embodiment, it is for the ease of connecting interface 2-3 and steel ruler water-level gauge 3 that the connecting tube 4, which is hollow structure,
Installation, and convenient for underground water can be accommodated；And in connecting tube 4 be arranged permeable hole 4-2, be in order to the underground water energy in water level pipe 1 into
Enter in connecting tube 4, so that underground water is contacted with water-level gauge probe 3-1 in steel ruler water-level gauge 3, realizes the measurement of level of ground water；
In the present embodiment, it is to protect that the upper end of the water-level gauge probe 3-1, which is not higher than the top of the permeable hole 4-2,
Level of ground water in card water level pipe 1 is soaked water-level gauge probe 3-1 by permeable hole 4-2, is avoided the occurrence of air chamber and is made water level
Meter probe 3-1 immeasurably descends water level.
In the present embodiment, the spacing between lower directive wheel 2-2 and upper directive wheel 2-6 is 20cm~30cm, is because of guiding
When wheel spacing is excessive, entire righting mechanism length is excessive, easily causes passage unsmooth, when directive wheel spacing is too small, righting effect is not
It is good.
In the present embodiment, the microcontroller 7 is single-chip microcontroller, ARM microcontroller or DSP microcontroller.
In the present embodiment, the microcontroller 7 is MSP430F149 single-chip microcontroller, low in energy consumption, is suitble to stratum water level monitoring.
In the present embodiment, the inclinometer 6 is TD-CX-3C inclinometer.
In the present embodiment, the steel ruler water-level gauge 3 is SWJ-50 fashioned iron ruler water-level gauge.
As shown in figure 3, carrying out underground water level measurement method using the utility model, comprising the following steps:
Step 1: the installation and measurement of steel ruler water-level gauge:
Step 101 will descend directive wheel 2-2 and upper directive wheel 2-6 respectively along water level pipe 1 in the centering guide device
First guide groove 1-1 and the second guide groove 1-2 falls, and band dynamic water level during lower directive wheel 2-2 and upper directive wheel 2-6 falls
It counts probe 3-1 to fall, until stopping water level meter probe 3-1 falls, and records when water-level gauge probe 3-1 detects water level signal
Scale on the steel ruler cable 3-2, i.e., the scale on the described steel ruler cable 3-2 are level of ground water initial value S；Wherein, in water
During position meter probe 3-1 falls, the center line of water-level gauge probe 3-1 is overlapped with the center line of water level pipe 1；
The the first guide groove 1-1 and second of step 102, lower directive wheel 2-2 and upper directive wheel 2-6 respectively in water level pipe 1 is led
Slot 1-2 rises, and drives water-level gauge probe 3-1 to rise during lower directive wheel 2-2 and upper directive wheel 2-6 rises, and makes steel
Ruler water-level gauge 3 takes out；
Step 2: the installation and measurement of inclinometer:
Step 201 declines inclinometer 6 according to preset decline displacement L inside water level pipe 1, until the survey
The oblique decline of instrument 6 displacement is equal to level of ground water initial value S；Wherein, inclinometer 6 decline during, the center line of inclinometer 6 with
The center line of water level pipe 1 is overlapped；
Step 202, horizontal-shift during inclinometer 6 declines every time, when inclinometer 6 is to each decline L displacement
Amount is detected and the horizontal offset that will test is sent to microcontroller 7；Wherein, when 6 i-th of inclinometer decline L displacement
Horizontal offset be δi；
Step 203, microcontroller 7 are according to formulaObtain the decline frequency n of inclinometer 6；
Step 204, microcontroller 7 are according to formulaIt obtains when 6 i-th of inclinometer decline L is displaced
Deviation angle θi；Wherein, the value range of i be 1,2,, n；
Step 205, microcontroller 7 are according to formulaObtain 6 (n+1)th decline S- of inclinometer
Deviation angle θ when n × L is displacedn+1；Wherein, δn+1Indicate horizontal offset when inclinometer 6 (n+1)th times decline S-n × L displacements；
Step 3: the acquisition of correction level of ground water: using microcontroller 7 according to level of ground water initial value S, inclinometer 6
Decline deviation angle θ when frequency n, the decline L displacement of 6 i-th of inclinometeriDecline when S-n × L is displaced with inclinometer 6 (n+1)th times
Deviation angle θn+1, level of ground water after being corrected.
In the present embodiment, the value range of decline displacement L is 0.5m~1m every time described in step 202.
In the present embodiment, before step 101, crept into from top to bottom in monitoring stratum using drilling device first,
Drilling 5 is formed, and water level pipe 1 is transferred vertically into the drilling 5, and to empty between 5 middle hole wall 5-1 of water level pipe 1 and drilling
Gap is backfilled；
Then, the bottom of steel ruler water-level gauge 3 is fixedly connected by connecting tube 4 with the centering guide device.
In the present embodiment, detailed process is as follows for the level of ground water after being corrected in step 3:
Step 301, microcontroller 7 are according to formulaGround after being corrected
Lower water level S '；
Step 302, microcontroller 7 control the level of ground water S ' display after 8 pairs of liquid crystal touch screen corrections.
In conclusion the utility model is designed reasonably, is popped one's head in by water-level gauge and obtains level of ground water initial value, and steel ruler water
Centering guide device is arranged in position meter bottom, and the center line of guaranteed water level meter probe 3-1 is overlapped with the center line of water level pipe 1, guarantees
Level of ground water initial value S is measured accurate；And setting inclinometer 6 detects the deviation angle of water level pipe 1, according to water level pipe 1
Deviation angle level of ground water initial value S is corrected, obtain more accurate level of ground water, it is practical.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still
Belong in the protection scope of technical solutions of the utility model.
Claims (4)
1. a kind of underground water level measurement device, it is characterised in that: including being embedded in the water level pipe (1) monitored in stratum, setting exists
Steel ruler water-level gauge (3) and inclinometer (6) in water level pipe (1), and the data processing module to connect with inclinometer (6), it is described
The bottom of steel ruler water-level gauge (3) is provided with the center line and water level pipe for so that the water-level gauge of steel ruler water-level gauge (3) bottom is popped one's head in (3-1)
(1) centering guide device that center line is overlapped, steel ruler water-level gauge (3) top is provided with steel ruler cable (3-2), the steel
It is provided with scale on ruler cable (3-2), is provided with connecting tube between the righting guiding mechanism (2) and steel ruler water-level gauge (3)
(4), the centering guide device includes that two sequentially connected righting guiding mechanism (2), two rightings from the bottom to top are led
Structure to mechanism (2) is identical, and two righting guiding mechanisms (2) include guide rod (2-1), are rotatably installed in guide rod
Shaft (2-5), setting in (2-1) are in the lower directive wheel (2-2) of the lower end shaft (2-5) and setting in the upper end shaft (2-5)
Upper directive wheel (2-6), the lower directive wheel (2-2) and the upper directive wheel (2-6) extend guide rod (2-1) outside, described
It is provided with torsional spring (2-4) between the top and guide rod (2-1) of shaft (2-5), the lower section of the shaft (2-5) and guide rod
It is provided between (2-1) lower torsional spring (2-3), is provided with permeable hole (4-2) on the connecting tube (4)；
The data processing module includes microcontroller (7) and the liquid crystal touch screen (8) to connect with microcontroller (7), described
The output end of inclinometer (6) connects with the input terminal of microcontroller (7).
2. a kind of underground water level measurement device described in accordance with the claim 1, it is characterised in that: water level pipe (1) inner periphery
Two groups of guide grooves laid in cross are provided with, guide groove described in every group includes two the first guide grooves (1-1) being symmetrically arranged
With the second guide groove (1-2), first guide groove (1-1) and the second guide groove (1-2) are laid along the length direction of water level pipe (1)；
The inner wall that the lower directive wheel (2-2) stretches out the extension and the first guide groove (1-1) of guide rod (2-1) fits, and institute
The extension for stating lower directive wheel (2-2) stretching guide rod (2-1) can be slided along the first guide groove (1-1), the upper directive wheel (2-6)
The inner wall for stretching out the extension and the second guide groove (1-2) of guide rod (2-1) fits, and the upper directive wheel (2-6) stretching is led
It can be slided to the extension of bar (2-1) along the second guide groove (1-2).
3. a kind of underground water level measurement device described in accordance with the claim 1, it is characterised in that: the water level pipe (1) from lower and
On be disposed with precipitating phase (1-3), drainage section (1-4) and close water portion (1-5), the length of the precipitating phase (1-3) is 0.5m
~1m.
4. a kind of underground water level measurement device described in accordance with the claim 1, it is characterised in that: the top of the centering guide device
Portion is provided with connecting interface (2-7), the fixed company in lower part that the connecting interface (2-7) passes through bolt (4-1) and connecting tube (4)
It connects；
The connecting tube (4) is hollow structure, and the water-level gauge probe (3-1) is located in the connecting tube (4), the connecting tube
(4) junction on top and steel ruler water-level gauge (3) is provided with anchor ear (3-3), and the upper end of the water-level gauge probe (3-1) is not high
In the top of the permeable hole (4-2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821268652.3U CN208568029U (en) | 2018-08-08 | 2018-08-08 | A kind of underground water level measurement device |
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| CN201821268652.3U CN208568029U (en) | 2018-08-08 | 2018-08-08 | A kind of underground water level measurement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981860A (en) * | 2018-08-08 | 2018-12-11 | 机械工业勘察设计研究院有限公司 | A kind of underground water level measurement device and measurement method |
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2018
- 2018-08-08 CN CN201821268652.3U patent/CN208568029U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981860A (en) * | 2018-08-08 | 2018-12-11 | 机械工业勘察设计研究院有限公司 | A kind of underground water level measurement device and measurement method |
| CN108981860B (en) * | 2018-08-08 | 2023-11-24 | 机械工业勘察设计研究院有限公司 | Underground water level measuring device and measuring method |
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