CN108195349A - A kind of magnetic resistance electrical measurement sedimentometer - Google Patents
A kind of magnetic resistance electrical measurement sedimentometer Download PDFInfo
- Publication number
- CN108195349A CN108195349A CN201810266457.5A CN201810266457A CN108195349A CN 108195349 A CN108195349 A CN 108195349A CN 201810266457 A CN201810266457 A CN 201810266457A CN 108195349 A CN108195349 A CN 108195349A
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- Prior art keywords
- ring
- sedimentometer
- protection tube
- electrical measurement
- outer protection
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- 238000005259 measurement Methods 0.000 title claims abstract description 25
- 230000006698 induction Effects 0.000 claims abstract description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 abstract description 10
- 230000008021 deposition Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000737 periodic effect Effects 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of magnetic resistance electrical measurement sedimentometers, including outer protection tube, outer protection tube is internally provided with electronics storehouse, measuring staff and cable, measuring staff one end suit locating ring, other end suit control ring, electronics storehouse is fixedly mounted on the upper surface of locating ring, electronic control unit is internally provided with, magnetic induction part is provided in measuring staff, is connected with electronic control unit, the outer ring of outer protection tube is set with anchor slab and vernier magnet ring, and cable passes through upper press cover and electronics storehouse to be connected with electronic control unit.Magnetic resistance electrical measurement sedimentometer uses linear measurement, and absolute position output, contactless continuous measurement, without re-calibration and periodic maintenance, output signal multiple choices, such as electric current 4 20mA or RS485, installation is simple and convenient.Magnetic resistance electrical measurement sedimentometer is suitable for settling amount of the long-term delaminating deposition and embankment, ground for measuring earth and rockfill dam during preloading is excavated, you can single-point sedimentation is measured, it also can be as the measurement of multi-point layered sedimentation.
Description
Technical field
The present invention relates to civil engineering soil subsidence monitoring of foundation field more particularly to a kind of magnetic resistance electrical measurement sedimentometers.
Background technology
At present in Dam Construction or military-civil architectural engineering, the sedimentation of generally use electromagnetism sedimentometer monitoring soft soil base
Amount, the working method of electromagnetism sedimentometer is the sedimentation pipe of pre-buried PVC material in soft soil foundation to be measured, and is divided outside sedimentation pipe
Section is cased with sedimentation magnet ring, and with tested solum settlement, tape one end sets magnetic induction sensor and passes through to be adhered to sedimentation magnet ring on tape
Signal wire be connected to the receiver of the tape other end, have buzzer in receiver, tape is marked with scale, manually tape band
There is side head end to be put into PVC conduits, gauge head is allowed slowly to move down, when gauge head reaches the magnet ring burial place in soil layer,
The buzzer of receiver will beep, and manually read depth dimensions of the tape at nozzle at this time, so bit by bit
Ground measures bottom, this measurement method needs artificial substantial length of operation, reading, record measured value, and measurement accuracy is not high, the degree of automation
It is low, labor intensive, it is impossible to monitoring sedimentation deformation or the rate of settling in real time.
Invention content
Caused inside magnetoresistive sensor certainly based on magnet ring change in displacement in order to solve the above technical problems, the present invention provides one kind
Feel self-induction of loop index variation, change the magnetic resistance electrical measurement sedimentometer realized and measured so as to cause winding inductance quantity.
A kind of magnetic resistance electrical measurement sedimentometer, including outer protection tube, the outer protection tube is internally provided with electronics storehouse, measuring staff and electricity
Cable, described measuring staff one end are set with locating ring, and other end suit control ring, the locating ring and control ring are fixed by positioning screw
On the inner wall of outer protection tube, the electronics storehouse is fixedly mounted on the upper surface of locating ring, is internally provided with electronic control unit, described
Magnetic induction part is provided in measuring staff, is connected with electronic control unit, the outer ring of the outer protection tube is set with anchor slab and vernier magnet ring, institute
It states anchor slab to be fixedly connected with vernier magnet ring by screw bolt and nut, upper press cover, bottom setting is provided at the top of the outer protection tube
There is tube head plug, the cable passes through upper press cover and electronics storehouse to be connected with electronic control unit.
In said program, the magnetic induction part is Hall magnetic induction part.
In said program, the measuring staff uses non-magnetic stainless steel.
In said program, the electronics storehouse is sealed using stainless steel and interface using O-ring seal.
Beneficial effects of the present invention are compared with prior art：Magnetic resistance electrical measurement sedimentometer uses linear measurement, absolute position
Put output, contactless continuous measurement, without re-scaling and periodic maintenance, output signal multiple choices, electric current 4-20mA,
RS485, installation are simple and convenient.Magnetic resistance electrical measurement sedimentometer is suitable for the long-term delaminating deposition for measuring earth and rockfill dam and embankment, ground exist
Excavate the settling amount during preloading, you can single-point sedimentation is measured, it also can be as the measurement of multi-point layered sedimentation.
Description of the drawings
Fig. 1 is the structure diagram of magnetic resistance electrical measurement sedimentometer of the present invention；
Reference sign：1st, electronics storehouse, 2, measuring staff, 3, cable, 4, locating ring, 5, anchor slab, 6, vernier magnet ring, 7, control ring,
8th, outer protection tube, 9, tube head plug, 10, upper press cover.
Specific embodiment
Technical scheme of the present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of magnetic resistance electrical measurement sedimentometer, including outer protection tube 8, outer protection tube 8 be internally provided with electronics storehouse 1,
Measuring staff 2 and cable 3,2 one end of measuring staff suit locating ring 4, other end suit control ring 7, locating ring 4 and control ring 7 pass through positioning
Screw is fixed on the inner wall of outer protection tube 8, and electronics storehouse 1 is fixedly mounted on the upper surface of locating ring 4, and inside sets automatically controlled list
Member is provided with magnetic induction part in measuring staff 2, is welded on flexible PCB, is connected with electronic control unit, the outer protection tube 8 it is outer
Snare is equipped with anchor slab 5 and vernier magnet ring 6, and anchor slab 5 is fixedly connected by screw bolt and nut with vernier magnet ring 6, the top of outer protection tube 8
Upper press cover 10 is provided with, bottom is provided with tube head plug 9, and cable 3 passes through upper press cover 10 and electronics storehouse 1 to be connected with electronic control unit.It surveys
Bar 2 uses non-magnetic stainless steel, and water resistance is good, according to the needs of the measuring range of user, may customize different length
Measuring staff 2.Electronics storehouse 1 is used for protecting electronic control unit and cable 3, is made of stainless steel, and each interface uses O-shaped sealing
Circle is sealed, and plays waterproof and dampproof effect.
Magnetic resistance electrical measurement sedimentometer causes Hall magnetic induction part change in resistance using the variation of magnet ring displacement, so as to cause line
Circle inductance value changes this physical phenomenon and realizes the instrument measured.Hall magnetic induction part composition set of circuits in series with a resistor,
Several groups of circuit in parallel, then connect with electronic control unit, when vernier magnet ring 6 is moved with measurement media variations, it is attracted Hall magnetic
Sensing element connects resistance, with the corresponding electric signal of electronic control unit generation.The resistance resistance each being connect with Hall magnetic induction part
Be worth it is different, so as to generate different electric signals.Electronic control unit in electronics storehouse 1 is detected electric signal analysis, and will be electric
Potential difference is transmitted to other electronic equipments with 4~20mA two-wire systems current signal or RS485 signals by cable 3.
Above-described specific embodiment has carried out the purpose of the present invention, technical solution and advantageous effect further
It is described in detail, it should be understood that the foregoing is merely the specific embodiment of the present invention, the guarantor being not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all be contained in this hair
Within bright protection domain.
Claims (4)
1. a kind of magnetic resistance electrical measurement sedimentometer, including outer protection tube（8）, it is characterised in that：The outer protection tube（8）Be internally provided with electricity
Sub- storehouse（1）, measuring staff（2）And cable（3）, the measuring staff（2）One end is set with locating ring（4）, other end suit control ring（7）, it is fixed
Position ring（4）And control ring（7）Outer protection tube is fixed on by positioning screw（8）Inner wall on, the electronics storehouse（1）It is fixedly mounted on
Locating ring（4）Upper surface on, be internally provided with electronic control unit, the measuring staff（2）Magnetic induction part is inside provided with, with automatically controlled list
Member is connected, the outer protection tube（8）Outer ring be set with anchor slab（5）With vernier magnet ring（6）, anchor slab（5）By screw bolt and nut with
Vernier magnet ring（6）It is fixedly connected, outer protection tube（8）Top be provided with upper press cover（10）, bottom is provided with tube head plug（9）, it is described
Cable（3）Across upper press cover（10）With electronics storehouse（1）It is connected with electronic control unit.
2. magnetic resistance electrical measurement sedimentometer as described in claim 1, it is characterised in that：The magnetic induction part is Hall magnetic induction member
Part, the Hall magnetic induction part composition set of circuits in series with a resistor are connect again with electronic control unit after several groups of circuit in parallel.
3. magnetic resistance electrical measurement sedimentometer as described in claim 1, it is characterised in that：The measuring staff（2）Using non-magnetic stainless
Steel material.
4. magnetic resistance electrical measurement sedimentometer as described in claim 1, it is characterised in that：The electronics storehouse（1）Using stainless steel
And interface is sealed using O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810266457.5A CN108195349A (en) | 2018-03-28 | 2018-03-28 | A kind of magnetic resistance electrical measurement sedimentometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810266457.5A CN108195349A (en) | 2018-03-28 | 2018-03-28 | A kind of magnetic resistance electrical measurement sedimentometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108195349A true CN108195349A (en) | 2018-06-22 |
Family
ID=62596299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810266457.5A Pending CN108195349A (en) | 2018-03-28 | 2018-03-28 | A kind of magnetic resistance electrical measurement sedimentometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108195349A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827265A (en) * | 2018-08-31 | 2018-11-16 | 戴少武 | A kind of storage protective device identified based on building monitoring settlement observation |
| CN109853640A (en) * | 2018-12-25 | 2019-06-07 | 安徽省建设工程测试研究院有限责任公司 | A kind of load box Displacement sensor under water |
| CN111307177A (en) * | 2020-03-05 | 2020-06-19 | 湖南省计量检测研究院 | Zero calibration device and calibration method for magnetic ring settlement and water level detection ruler |
| CN111336988A (en) * | 2020-04-02 | 2020-06-26 | 南京南瑞水利水电科技有限公司 | Double-drainage loop water pipe type settlement meter |
| CN113532378A (en) * | 2021-07-28 | 2021-10-22 | 中国民航大学 | Soft soil foundation settlement monitoring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518110A (en) * | 2011-12-23 | 2012-06-27 | 基康仪器(北京)有限公司 | Device and method for measuring soil body displacement |
| CN103953025A (en) * | 2014-05-13 | 2014-07-30 | 水利部交通运输部国家能源局南京水利科学研究院 | Equipment for measuring layered settlement of deep soft soil or blanket and setup method thereof |
| CN205333089U (en) * | 2016-02-17 | 2016-06-22 | 北京金迈捷科技有限公司 | Split type magnetostrictive transducer |
| CN206459650U (en) * | 2017-01-25 | 2017-09-01 | 天津市大地海陆岩土工程技术开发有限公司 | A kind of mangneto sedimentometer |
| CN207976142U (en) * | 2018-03-28 | 2018-10-16 | 南京蓉水水电自动化技术研究所有限责任公司 | A kind of magnetic resistance electrical measurement sedimentometer |
-
2018
- 2018-03-28 CN CN201810266457.5A patent/CN108195349A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518110A (en) * | 2011-12-23 | 2012-06-27 | 基康仪器(北京)有限公司 | Device and method for measuring soil body displacement |
| CN103953025A (en) * | 2014-05-13 | 2014-07-30 | 水利部交通运输部国家能源局南京水利科学研究院 | Equipment for measuring layered settlement of deep soft soil or blanket and setup method thereof |
| CN205333089U (en) * | 2016-02-17 | 2016-06-22 | 北京金迈捷科技有限公司 | Split type magnetostrictive transducer |
| CN206459650U (en) * | 2017-01-25 | 2017-09-01 | 天津市大地海陆岩土工程技术开发有限公司 | A kind of mangneto sedimentometer |
| CN207976142U (en) * | 2018-03-28 | 2018-10-16 | 南京蓉水水电自动化技术研究所有限责任公司 | A kind of magnetic resistance electrical measurement sedimentometer |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827265A (en) * | 2018-08-31 | 2018-11-16 | 戴少武 | A kind of storage protective device identified based on building monitoring settlement observation |
| CN108827265B (en) * | 2018-08-31 | 2021-01-08 | 周永国 | Storage protection device based on settlement observation identification for building monitoring |
| CN109853640A (en) * | 2018-12-25 | 2019-06-07 | 安徽省建设工程测试研究院有限责任公司 | A kind of load box Displacement sensor under water |
| CN109853640B (en) * | 2018-12-25 | 2021-04-06 | 安徽省建设工程测试研究院有限责任公司 | Operation method of load box underwater displacement sensor |
| CN111307177A (en) * | 2020-03-05 | 2020-06-19 | 湖南省计量检测研究院 | Zero calibration device and calibration method for magnetic ring settlement and water level detection ruler |
| CN111336988A (en) * | 2020-04-02 | 2020-06-26 | 南京南瑞水利水电科技有限公司 | Double-drainage loop water pipe type settlement meter |
| CN111336988B (en) * | 2020-04-02 | 2022-08-02 | 南京南瑞水利水电科技有限公司 | Double-drainage loop water pipe type settlement meter |
| CN113532378A (en) * | 2021-07-28 | 2021-10-22 | 中国民航大学 | Soft soil foundation settlement monitoring device |
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Inventor after: Liu Hui Inventor after: Zhu Peng Inventor after: Liu Yongbing Inventor after: Wan Chao Inventor before: Liu Hui Inventor before: Zhu Peng Inventor before: Liu Wenbing Inventor before: Wan Chao |