CN208000117U - A kind of mangneto electrical measurement sedimentometer - Google Patents

A kind of mangneto electrical measurement sedimentometer Download PDF

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Publication number
CN208000117U
CN208000117U CN201820464835.6U CN201820464835U CN208000117U CN 208000117 U CN208000117 U CN 208000117U CN 201820464835 U CN201820464835 U CN 201820464835U CN 208000117 U CN208000117 U CN 208000117U
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China
Prior art keywords
ring
protection tube
outer protection
control
circuit board
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Application number
CN201820464835.6U
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Chinese (zh)
Inventor
刘文兵
朱鹏
刘辉
宛超
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Nanjing Rong River Water And Electricity Automation Technology Research Institute Co Ltd
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Nanjing Rong River Water And Electricity Automation Technology Research Institute Co Ltd
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Priority to CN201820464835.6U priority Critical patent/CN208000117U/en
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Abstract

The utility model discloses a kind of mangneto electrical measurement sedimentometers, including outer protection tube, outer protection tube is internally provided with electronics storehouse, measuring staff and cable, measuring staff one end is set with locating ring, the other end is set with control ring, locating ring and control ring are fixed on by positioning screw on the inner wall of outer protection tube, electronics storehouse is fixedly mounted on the upper surface of locating ring, it is internally provided with control control circuit board, magnetic striction wave guide silk is provided in measuring staff, it is connected with control control circuit board, the outer ring of outer protection tube is set with anchor slab and vernier magnet ring, cable passes through upper press cover and electronics storehouse to be connected with control control circuit board.Mangneto electrical measurement sedimentometer uses linear measurement, absolute position output, contactless continuous measurement not to have to re-calibration and periodic maintenance, a variety of output signals, such as electric current 4-20m or RS485.Meanwhile being measured as sensor using magnetic striction wave guide silk, have the characteristics that high-resolution, high-precision, high stability, high reliability, response time be fast, longevity of service.

Description

A kind of mangneto electrical measurement sedimentometer
Technical field
The utility model is related to civil engineering soil subsidence monitoring of foundation field more particularly to a kind of mangneto 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 vernier magnet ring, and with tested solum settlement, tape one end sets magnetic induction sensor and by soft sedimentation vernier magnet ring The signal wire adhered on ruler is connected to the receiver of the tape other end, has buzzer, tape to be marked with scale in receiver, manually Tape is put into side head end in PVC conduits, gauge head is allowed slowly to move down, when gauge head reaches the vernier magnet ring in soil layer When burial place, the buzzer of receiver will beep, and manually read depth dimensions of the tape at nozzle at this time, this Sample measures bottom bit by bit, this measurement method needs artificial substantial length of operation, reading, record measured value, and measurement accuracy is not high, from Dynamicization degree is low, labor intensive, can not monitor sedimentation deformation or the rate of settling in real time.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of be based between magnetostrictive waveguide silk and vernier magnet ring Generate the mangneto electrical measurement sedimentometer of the testing principle of the graceful effects of Wei De.
A kind of mangneto electrical measurement sedimentometer, including outer protection tube, the outer protection tube are internally provided with electronics storehouse, measuring staff and electricity Cable, described measuring staff one end are set with locating ring, and the other end is set with control ring, and 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 control circuit board, institute It includes control chip, timing chip, storage chip to state control circuit board, and magnetic striction wave guide silk is provided in the measuring staff, with Control circuit board is connected, and the outer ring of the outer protection tube is set with anchor slab and vernier magnet ring, the anchor slab by screw bolt and nut with Vernier magnet ring is fixedly connected, and upper press cover is provided at the top of the outer protection tube, and bottom is provided with tube head plug, and the cable passes through upper Gland and electronics storehouse are connected with mangneto sensor.
In said program, the control circuit board further includes excitation module, detection module, timer and control chip, institute It states excitation module to be used to send inquiry pulse to magnetic striction wave guide silk, the detection module is for receiving magnetic striction wave guide silk The torsion wave impulse passed back, the timer are used to calculate inquiry pulse and receive the time difference of signal, the control chip root The time calculated according to timer multiplied by the spread speed with distorting stress wave in waveguide material, finally calculates torsional wave Position between datum mark at a distance from.
In said program, the electronics storehouse is sealed using stainless steel and interface using O-ring seal.
The beneficial effects of the utility model are compared with prior art:Mangneto electrical measurement sedimentometer uses linear measurement, absolutely Position is exported, contactless continuous measurement, sensor does not have to re-scale and periodic maintenance, output signal multiple choices are electric 4-20mA or RS485 is flowed, installation is simple and convenient.Meanwhile magnetostrictive displacement being used to be counted as measuring for sensor, there is height The features such as resolution ratio, high-precision, high stability, high reliability, response time be fast, longevity of service.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model mangneto electrical measurement sedimentometer;
Reference sign:1, electronics storehouse, 2, measuring staff, 3, cable, 4, locating ring, 5, anchor slab, 6, vernier magnet ring, 7, control Ring, 8, outer protection tube, 9, tube head plug, 10, upper press cover.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1, a kind of mangneto electrical measurement sedimentometer, including outer protection tube, the outer protection tube are internally provided with electronics storehouse 1, measuring staff 2 and cable 3,2 one end of measuring staff are set with locating ring 4, and the other end is set with control ring 7, and locating ring 4 and control ring 7, which pass through, determines Position 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, is internally provided with control Circuit board is provided with magnetic striction wave guide silk in measuring staff 2, is connected with control circuit board, the outer ring of outer protection tube 8 is set with anchor slab 5 With vernier magnet ring 6, the anchor slab 5 is fixedly connected by screw bolt and nut with vernier magnet ring 6, the top setting of the outer protection tube 8 There are upper press cover 10, bottom to be provided with tube head plug 9, cable 3 is connected with electronics storehouse 1 with control circuit board across upper press cover 10, this electricity Sub- storehouse 1 uses stainless steel and is all made of O-ring seal with the interface of 3 interface of cable and measuring staff 2 and is sealed, and has waterproof Moisture-proof effect.
In one embodiment, control control circuit board includes excitation module, detection module, timer and control chip, institute It states excitation module to be used to send inquiry pulse to magnetic striction wave guide silk, the detection module is for receiving magnetic striction wave guide silk The torsion wave impulse passed back, the timer are used to calculate inquiry pulse and receive the time difference of signal, the control chip root The time calculated according to timer multiplied by the spread speed with distorting stress wave in waveguide material, finally calculates torsional wave Position between datum mark at a distance from.
When mangneto electrical measurement sedimentometer measures, the excitation module of control circuit board can be in the circuit where magnetostrictive waveguide silk Both ends apply inquiry pulse, which forms axial ampere toroidal magnetic field with the light velocity around waveguide filament, in vernier magnetic There is one group of permanent vernier magnet ring inside ring 6,6 magnetic field of vernier magnet ring can be generated, the biasing of the toroidal magnetic field and vernier magnet ring 6 is forever Magnetic magnetic field occur coupling, waveguide filament surface formed the graceful effect distorting stress waves of Wei De, distorting stress wave with the velocity of sound about 2830m/s is propagated from generating point to the both ends of mangneto waveguide filament, is transmitted to the distorting stress wave of end by the resistance in control circuit board Buddhist nun's element absorbs, and the distorting stress wave signal for being transmitted to excitation module is then detected module reception.High-speed timer calculates inquiry Pulse and receive the time difference between signal, control time for being calculated according to high-speed timer of chip multiplied by with distorting stress wave in wave Lead the spread speed in material, you can calculate distorting stress wave occur position between datum mark at a distance from namely vernier Magnet ring 6 realizes the real-time and accurate measurement to 6 position of vernier magnet ring in the instantaneous absolute distance between datum mark. The initial value to each measuring point is needed to be acquired after the completion of mangneto electrical measurement sedimentometer is embedded, this value is later stage each measuring point sedimentation A reference value.
Vernier magnet ring 6 is used for the variation of inductive displacement and is converted to analog signal output, and control circuit board is by the mould of output Quasi- signal is converted into 4-20mA and RS485 signals and is externally exported by cable 3, and cable 3 uses military project grade water-proof cable, has anti- The features such as water anti-corrosion.
Above example is only to illustrate the technological thought of the utility model, and the protection model of the utility model cannot be limited with this Enclose, it is every according to the utility model proposes technological thought, any change is made on the basis of technical solution, each falls within this reality With in novel protected range.

Claims (3)

1. a kind of mangneto 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), fixed Position ring(4)And control ring(7)It is fixed on outer protection tube 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 control circuit board, the measuring staff(2)It is inside provided with magnetic striction wave guide silk, with Control circuit board is connected, the outer protection tube(8)Outer ring be set with anchor slab(5)With vernier magnet ring(6), anchor slab(5)With vernier magnetic 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), the cable(3) Across upper press cover(10)With electronics storehouse(1)It is connected with control circuit board.
2. mangneto electrical measurement sedimentometer as described in claim 1, it is characterised in that:The control circuit board include excitation module, Detection module, timer and control chip, the excitation module are used to send inquiry pulse, the inspection to magnetic striction wave guide silk Wave module is for receiving the torsion wave impulse that magnetic striction wave guide silk is passed back, and the timer is for calculating inquiry pulse and receiving The time difference of signal, control time difference for being calculated according to timer of chip multiplied by with distorting stress wave in waveguide material Spread speed, finally calculate torsional wave occur position between datum mark at a distance from.
3. mangneto 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.
CN201820464835.6U 2018-03-30 2018-03-30 A kind of mangneto electrical measurement sedimentometer Active CN208000117U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820464835.6U CN208000117U (en) 2018-03-30 2018-03-30 A kind of mangneto electrical measurement sedimentometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820464835.6U CN208000117U (en) 2018-03-30 2018-03-30 A kind of mangneto electrical measurement sedimentometer

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CN208000117U true CN208000117U (en) 2018-10-23

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110849323A (en) * 2019-12-12 2020-02-28 中国电建集团成都勘测设计研究院有限公司 Telescopic settling tube, and settling deformation monitoring system and method
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
CN114577308A (en) * 2022-04-28 2022-06-03 太原尚水测控科技有限公司 Magnetostrictive water gauge for measuring water level of open channel
CN114777733A (en) * 2022-06-13 2022-07-22 中国电建集团西北勘测设计研究院有限公司 Installation method of electromagnetic settling tube sensor of dam body of concrete panel rock-fill dam

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110849323A (en) * 2019-12-12 2020-02-28 中国电建集团成都勘测设计研究院有限公司 Telescopic settling tube, and settling deformation monitoring system and method
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
CN114577308A (en) * 2022-04-28 2022-06-03 太原尚水测控科技有限公司 Magnetostrictive water gauge for measuring water level of open channel
CN114777733A (en) * 2022-06-13 2022-07-22 中国电建集团西北勘测设计研究院有限公司 Installation method of electromagnetic settling tube sensor of dam body of concrete panel rock-fill dam
CN114777733B (en) * 2022-06-13 2022-10-18 中国电建集团西北勘测设计研究院有限公司 Installation method of electromagnetic settling tube sensor of dam body of concrete panel rock-fill dam

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Liu Yongbing

Inventor after: Zhu Peng

Inventor after: Liu Hui

Inventor after: Wan Chao

Inventor before: Liu Wenbing

Inventor before: Zhu Peng

Inventor before: Liu Hui

Inventor before: Wan Chao

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Settlement gauge is surveyed to mangneto electricity

Effective date of registration: 20190916

Granted publication date: 20181023

Pledgee: Nanjing Bank Co., Ltd. Chengnan Branch

Pledgor: Nanjing Rong river water and electricity automation technology Research Institute Co Ltd

Registration number: Y2019980000159