CN214403557U - Water level measuring probe and water level electric measuring instrument - Google Patents
Water level measuring probe and water level electric measuring instrument Download PDFInfo
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- CN214403557U CN214403557U CN202120348797.XU CN202120348797U CN214403557U CN 214403557 U CN214403557 U CN 214403557U CN 202120348797 U CN202120348797 U CN 202120348797U CN 214403557 U CN214403557 U CN 214403557U
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- water level
- wire
- lead
- metal tube
- measuring probe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 239000000523 sample Substances 0.000 title claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 87
- 230000005611 electricity Effects 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract description 32
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000009933 burial Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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Abstract
The application relates to a water level measuring probe and a water level electric measuring instrument, and relates to the field of drilling water level parameter measuring equipment. The insulated type wire comprises a first wire, a second wire and a metal tube, wherein the surfaces of the first wire and the second wire are insulated from each other, the first wire is electrically connected with the metal tube, the second wire is fixedly connected inside the metal tube, and the second wire is insulated from the metal tube. The method and the device have the advantages of reducing the probability of unobvious pointer change of the multimeter caused by poor ground medium and improving the accuracy of water level parameter measurement.
Description
Technical Field
The application relates to the field of drilling water level parameter measuring equipment, in particular to a water level measuring probe and a water level electric measuring instrument.
Background
The water level in the drill hole is data required to be acquired in engineering geological drilling, the water level can be measured by a method of electrically measuring the depth by using a lead, and a measuring rope and a buoy are also used for measuring, so that the geological condition is conveniently analyzed by measuring the water level of the drill hole, and the possibility of building settlement caused by underground water is reduced.
In the related technology, in the process of measuring the water level in a drill hole, the two poles of a measuring line are electrically connected with a universal meter, the positive pole of the measuring line is placed in the drill hole along the drill hole, the negative pole of the measuring line is communicated with the ground, when the positive pole of the measuring line is in contact with the water surface in the drill hole, the positive pole and the negative pole of the measuring line form a loop, a pointer of the universal meter swings, and the numerical value of the measuring line is the value corresponding to the water level parameter.
For the related technologies, the inventor thinks that when the water level burial depth is large and the ground medium is poor, the resistance between the anode and the cathode of the measuring line is high, the pointer of the multimeter changes unobviously, and the accurate water level parameter is difficult to read.
SUMMERY OF THE UTILITY MODEL
In order to improve the precision of measuring water level parameters, the application provides a water level measuring probe and an electric water level measuring instrument.
In a first aspect, the present application provides a water level measuring probe, which adopts the following technical scheme:
a water level measuring probe comprises a first lead, a second lead and a metal pipe, wherein the surfaces of the first lead and the second lead are insulated from each other, the first lead is electrically connected with the metal pipe, the second lead is fixedly connected inside the metal pipe, and the second lead is insulated from the metal pipe.
Through adopting above-mentioned technical scheme, when carrying out the water level measurement in the drilling, connect the positive pole and the first wire electricity of universal meter earlier, the negative pole and the second wire electricity of universal meter are connected, put into the tubular metal resonator along the length direction of drilling, the lower extreme and the surface of water contact in the drilling of tubular metal resonator, rivers flow into between tubular metal resonator inner wall and the second wire, tubular metal resonator and second wire intercommunication, constitute the passageway between first wire and the second wire, the universal meter pointer swing, read the degree of depth that the tubular metal resonator transferred, the water level parameter measurement of drilling finishes, set up the tip of second wire in the tubular metal resonator, reduce the possibility that the second wire takes place to bend at the in-process of putting into the drilling, reduce because the relatively poor pointer that leads to the universal meter of ground medium changes unobvious possibility, conveniently measure the water level parameter in the drilling that the depth is great, improve the precision of water level parameter measurement.
Optionally, an insulating tape is filled between the second wire and the metal tube, the insulating tape is fixedly connected with the second wire, and the metal tube is fixedly connected with the outer wall of the insulating tape.
Through adopting above-mentioned technical scheme, set up the insulating tape, conveniently completely cut off tubular metal resonator and second wire, reduce the tubular metal resonator and lead to the possibility of intercommunication with the laminating of second wire, the water level parameter in the convenient accurate measurement drilling improves the precision of measuring water level parameter in the drilling.
Optionally, the first lead is fixedly connected with the metal pipe through a bolt.
Through adopting above-mentioned technical scheme, reduce the possibility that takes off between first wire and the tubular metal resonator, improve the stability of being connected between first wire and the tubular metal resonator, improve the precision of measuring water level parameter in the drilling.
Optionally, the first lead and the metal tube are welded.
Through adopting above-mentioned technical scheme, conveniently reduce the probability that first wire and tubular metal resonator pine take off, conveniently measure the water level parameter in the drilling, improve the precision of water level parameter measurement in the drilling.
Optionally, a distance between one end of the second lead close to the metal tube and the lower end face of the metal tube is less than or equal to 1 cm.
Through adopting above-mentioned technical scheme, conveniently set up the water level parameter error in the drilling within 1cm, conveniently stretch into the drilling with the probe, improve the precision of measuring water level parameter.
Optionally, the inner diameter of the metal pipe is set to be 1-1.5 cm.
Through adopting above-mentioned technical scheme, reduce the size of tubular metal resonator, make things convenient for the tubular metal resonator to slide along the inner wall of drilling, make things convenient for the tubular metal resonator to stretch into inside the drilling, make things convenient for the tubular metal resonator to measure the water level parameter in the drilling, improve the precision of the interior measured water level parameter of drilling.
Optionally, the outer wall of the upper end of the metal pipe is provided with a chamfer.
Through adopting above-mentioned technical scheme, set up the chamfer and conveniently propose the tubular metal resonator from drilling, reduce the tubular metal resonator and hang the probability of leaning on at unevenness's drilling inner wall, make things convenient for the tubular metal resonator to leave the drilling inner wall.
In a second aspect, the present application provides an electrical water level gauge, which adopts the following technical scheme:
the water level electric measuring instrument comprises a universal meter and a water level measuring probe, wherein a first lead and a second lead are electrically connected with the universal meter, and scales are arranged on the outer surface of the first lead or the outer surface of the second lead.
Through adopting above-mentioned technical scheme, the positive pole and the first wire electricity of universal meter are connected, and the negative pole and the second wire electricity of universal meter are connected, and when tubular metal resonator and surface of water contact constitute the return circuit with the second wire, the pointer of universal meter takes place to deflect, reads the scale interval on first wire or the second wire, and the water level parameter of commentaries on classics hole is surveyed and is accomplished, conveniently measures the water level degree of depth of hole, improves the water level parameter measuring's of drilling precision.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first lead is fixedly connected with the metal pipe, the insulating tape is arranged between the second lead and the metal pipe, when the metal pipe extends into the water surface in the drill hole, the first lead is communicated with the second lead, the possibility that the pointer of the multimeter changes unobviously due to poor ground media is reduced, the water level parameter in the drill hole with larger water level burial depth is conveniently measured, and the accuracy of water level parameter measurement is improved;
2. the first lead is welded with the metal pipe, the distance between the end part of the second lead and the pipe orifice of the metal pipe is less than 1cm, so that the error of the water level parameter in the drilled hole is conveniently set within 1cm, the probe is conveniently extended into the drilled hole, and the precision of the measured water level parameter is improved;
3. the inner diameter of the metal pipe is set to be any value between 1cm and 1.5cm, the outer wall of the upper end of the metal pipe is provided with a chamfer, the metal pipe can conveniently stretch into a drilled hole, the water level parameter inside the drilled hole can be conveniently measured by the metal pipe, and the metal pipe can be conveniently taken out from the drilled hole.
Drawings
Fig. 1 is a sectional view of a water level measuring probe according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an electrical water level gauge according to an embodiment of the present application.
Description of reference numerals: 1. a first conductive line; 2. a second conductive line; 3. a metal tube; 4. an insulating tape; 5. a multimeter.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a water level measuring probe.
Referring to fig. 1 and 2, the water level measuring probe includes a first wire 1, a second wire 2 and a metal tube 3, the first wire 1 and the second wire 2 are both wires coated with plastic insulation layers, the arrangement directions of the first wire 1 and the second wire 2 are parallel, the metal tube 3 is cylindrical, the first wire 1 and the metal tube 3 are fixedly connected, the first wire 1 and the metal tube 3 can be fixedly connected through bolts or welded, in this embodiment, the first wire 1 and the metal tube 3 are welded, the second wire 2 penetrates through an opening of the metal tube 3 and extends into the metal tube 3, the length direction of the second wire 2 extending into the metal tube 3 is parallel to the length direction of the metal tube 3, the outer wall of the second wire 2 is wrapped with an insulating tape 4, the insulating tape 4 is bonded to the outer wall of the second wire 2, and the outer wall of the insulating tape 4 is bonded to the inner wall of the metal tube 3. When measuring the water level in the drilled hole, firstly, electrically connecting the anode of the universal meter 5 with the first lead 1, and electrically connecting the cathode of the universal meter 5 with the second lead 2; the positive pole of the multimeter 5 can also be electrically connected with the second wire 2, the negative pole of the multimeter 5 is electrically connected with the first wire 1, the metal pipe 3 is placed in the length direction of the drill hole, the lower end of the metal pipe 3 is in contact with the water surface in the drill hole, water enters between the inner wall of the metal pipe 3 and the second wire 2, the metal pipe 3 is communicated with the second wire 2, a passage is formed between the first wire 1 and the second wire 2, the resistance between the first wire 1 and the second wire 2 is reduced, the pointer of the multimeter 5 swings, the water level parameter of the drill hole is determined by measuring the length of the first wire 1 or the second wire 2 extending into the drill hole, the possibility that the pointer of the multimeter 5 changes unobviously due to poor ground media is reduced, the water level parameter in the drill hole with the large water level burial depth is conveniently measured, and the measurement precision of the water level parameter is improved.
Referring to fig. 1, in order to improve the accuracy of the probe for measuring the water level parameter in the borehole, the distance between one end of the second wire 2 extending into the metal tube 3 and the opening of the other end of the metal tube 3 is not more than 1cm, in this embodiment, the distance between the end of the second wire 2 and the opening of the metal tube 3 is 0.8cm, when the opening of the metal tube 3 contacts with the water in the borehole, the measuring wire 6 continues to descend by 0.8cm, the end of the second wire 2 contacts with the water surface, the second wire 2 is electrically connected with the first wire 1, the error of the water level parameter in the borehole measured by the probe is between 0.8cm, and the accuracy of measuring the water level parameter in the borehole can be improved.
Referring to fig. 1, in order to put in and take out the probe from the borehole conveniently, the inner diameter of the metal tube 3 is set to any value between 1cm and 1.5cm, in this embodiment, the inner diameter of the metal tube 3 is set to 1.2cm, the second lead 2 is fixedly connected in the metal tube 3, one end of the metal tube 3, which is close to the joint of the metal tube 3 and the second lead 2, is provided with a chamfer, and the chamfer can be a chamfer angle or a fillet, and in this embodiment, the chamfer angle is a chamfer angle. In the drilling process, unevenness's condition can appear in the pore wall, and the internal diameter sets up to 1.2 cm's tubular metal resonator 3 can pass the drilling, and the chamfer angle has improved tubular metal resonator 3's smoothness degree, reduces the terminal surface jamming possibility of protruding pore wall department in the drilling of tubular metal resonator 3, makes things convenient for the use of probe, improves the convenience of measuring the interior water level parameter of drilling.
The embodiment of the application also discloses an electric water level measuring instrument.
Referring to fig. 2, the water level electric measuring instrument comprises a universal meter 5 and the water level measuring probe, the universal meter 5 is a universal meter 5 which is common on the market, the anode of the universal meter 5 is electrically connected with a first lead 1, the cathode of the universal meter 5 is electrically connected with a second lead 2, and scale marks are printed on the outer side of the first lead 1 or the outer side of the second lead 2.
The implementation principle of the water level electric measuring instrument in the embodiment of the application is as follows: the tester is connected first wire 1 with the anodal electricity of universal meter 5's resistance shelves earlier, the negative pole electricity of second wire 2 and universal meter 5's resistance shelves is connected, universal meter 5 reading is the infinity this moment, with first wire 1, in the drilling is put into to second wire 2 and tubular metal resonator 3, the lower extreme and the downthehole surface of water contact of tubular metal resonator 3, when tubular metal resonator 3 and second wire 2 are by the water intercommunication in the drilling, universal meter 5 reading reduces, read the scale interval of first wire 1 or second wire 2 at drilling orifice department this moment, the numerical value that the scale interval corresponds is the downthehole water level depth of this drilling promptly. The method and the device have the advantages that the probability that the pointer of the universal meter 5 changes unobviously due to the fact that the earth medium is poor is reduced conveniently, and the accuracy of water level parameter measurement is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A water level measuring probe, characterized by: including first wire (1), second wire (2) and tubular metal resonator (3), first wire (1) and second wire (2) surface mutual insulation, first wire (1) and tubular metal resonator (3) electricity are connected, second wire (2) fixed connection is in the inside of tubular metal resonator (3), it is insulating between second wire (2) and tubular metal resonator (3).
2. A water level measuring probe according to claim 1, wherein: an insulating tape (4) is filled between the second lead (2) and the metal tube (3), the insulating tape (4) is fixedly connected with the second lead (2), and the metal tube (3) is fixedly connected with the outer wall of the insulating tape (4).
3. A water level measuring probe according to claim 1, wherein: the first lead (1) is fixedly connected with the metal pipe (3) through a bolt.
4. A water level measuring probe according to claim 1, wherein: the first lead (1) is welded with the metal pipe (3).
5. A water level measuring probe according to claim 4, wherein: the distance between one end of the second lead (2) close to the metal tube (3) and the lower end face of the metal tube (3) is less than or equal to 1 cm.
6. A water level measuring probe according to claim 1, wherein: the inner diameter of the metal pipe (3) is set to be 1-1.5 cm.
7. A water level measuring probe according to claim 1, wherein: and a chamfer is arranged on the outer wall of the upper end of the metal pipe (3).
8. An electrical water level gauge, characterized in that: the water level measuring probe comprises a multimeter (5) and the water level measuring probe of any one of claims 1-7, wherein the first lead (1) and the second lead (2) are electrically connected with the multimeter (5), and scales are arranged on the outer surface of the first lead (1) or the second lead (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120348797.XU CN214403557U (en) | 2021-02-07 | 2021-02-07 | Water level measuring probe and water level electric measuring instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120348797.XU CN214403557U (en) | 2021-02-07 | 2021-02-07 | Water level measuring probe and water level electric measuring instrument |
Publications (1)
Publication Number | Publication Date |
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CN214403557U true CN214403557U (en) | 2021-10-15 |
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CN202120348797.XU Expired - Fee Related CN214403557U (en) | 2021-02-07 | 2021-02-07 | Water level measuring probe and water level electric measuring instrument |
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CN (1) | CN214403557U (en) |
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2021
- 2021-02-07 CN CN202120348797.XU patent/CN214403557U/en not_active Expired - Fee Related
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Granted publication date: 20211015 |