CN107085086B - A kind of replaceable multilayer soil body state parameter monitoring device and application method - Google Patents

A kind of replaceable multilayer soil body state parameter monitoring device and application method Download PDF

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CN107085086B
CN107085086B CN201710304997.3A CN201710304997A CN107085086B CN 107085086 B CN107085086 B CN 107085086B CN 201710304997 A CN201710304997 A CN 201710304997A CN 107085086 B CN107085086 B CN 107085086B
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soil
sensor
soil body
state
parameter measurement
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CN107085086A (en
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陈锐
刘坚
李锦辉
雷卫东
赵燕茹
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Shenzhen Graduate School Harbin Institute of Technology
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Shenzhen Graduate School Harbin Institute of Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
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  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
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  • Medicinal Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
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  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The present invention provides a kind of replaceable multilayer soil body state parameter monitoring device, including outer sleeve and inner sleeve, and the outer sleeve includes outer tube and conehead, several measured holes are reserved on the outer tube, install rubber pad outside the measured hole;The inner sleeve includes inner tube, pipe cap and sensor Soft Push―system, said inner tube reserves several preformed holes, position is corresponding with measured hole, the sensor Soft Push―system includes propulsion device and soil conditions parameter measurement sensor, the propulsion device includes telescopic rod and pedestal, the pedestal is fixed on the inside of said inner tube, and the telescopic rod is fixed on the soil conditions parameter measurement sensor.The present invention can once bury the soil conditions parameter measurement sensor of multiple and different depth, it is installed using squeezing, guarantee that the soil body contacts, without using backfill, the soil body is influenced smaller, it is convenient to take out/install soil conditions parameter measurement sensor in measurement process simultaneously, sensor is facilitated to replace and overhaul.

Description

A kind of replaceable multilayer soil body state parameter monitoring device and application method
Technical field
The present invention relates to a kind of replaceable multilayer soil body state parameter monitoring device and application method, involved field packet Include agronomy, agrology, geotechnical engineering, forestry and diaster prevention and control etc., involved measurement parameter include soil water potential, water level, temperature, Soil pressure, heavy metal ion, organic pollution, dielectric constant of soil body etc..
Background technique
Soil is not only the basis of our human lives, and is also a kind of most important substance, the even more mankind on the earth The source of basic living and guarantee." bread is the staff of life, and food is with soil for this ", has said soil to human survival, especially to agriculture Industry and forestry have significant role.Moisture content, heavy metal ion, pollutant and temperature in soil etc. not only influence crops, plant Object and arboreal growth, it is also possible to which food for the survival of mankind is polluted.Moreover, owned building is all built in soil On earth, the parameters such as resistance to shear of soil, moisture content and water level directly affect deformation and the crack of building, and serious person may cause house Topple over.As it can be seen that parameter in soil is measured be regulating plant growth, pollution and building normal use important base Plinth.
In the prior art, respective sensor is buried by the means such as borehole, embedded, backfill, the parameter of the soil body is surveyed Amount.Patent 201420142019.5 proposes to measure different depth soil shape using support rod connection different depth soil sensor State parameter.However, failure may occur in measurement process or read abnormal for soil conditions parameter measurement sensor.Once losing Imitate or read it is abnormal, must just dig up maintenance or more emat sensor can just measure again.Such as normal soil flow of water sensor, When soil water potential is excessive, it may cause soil water potential sensor and vaporize and then fail, it is necessary to again to soil water potential sensor Saturation can just reuse.However in traditional method for embedding, when larger particularly with the depth of burying, sensor not only cost is dug out Height, and easily sensor is damaged, seriously affect the use of soil conditions parameter measurement sensor.In addition, tradition is embedded A sensor can be only once buried in method, the measurement of multilayer different depth must be buried one by one, it is time-consuming and laborious;It uses Backfill process, it cannot be guaranteed that sensor contacts well with the soil body, and the density of backfill and property may also be with undisturbed soils Inconsistent, these unfavorable factors may cause accuracy of measurement deviation.
Prior art patent 201010121920.0 proposes a kind of sensor control, belongs to soil moisture measurement neck Domain and automatic monitoring quantity field.For the automatic collection and transmission for realizing unattended, the full-automatic moisture of soil profile data in scene, Moisture monitoring device provided by the invention includes that control device includes sensor displacement mechanism and control system;The sensor The sensor that mobile device is used to that it to be driven to be connected moves in the vertical direction;The control system and the sensor are mobile Device connection, is acted for controlling the sensor displacement mechanism according to preset mode automatically.In addition, the present invention also mentions For the monitoring soil moisture device including the control device.Monitoring soil moisture device provided by the present invention, for Field Soil There is great application benefit in earth monitoring pole, especially under rugged environment and climatic effect, is not necessarily to artificial execute-in-place, still Data acquisition can be smoothly completed.But there are still aforementioned prior art defects.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of replaceable multilayer soil body state parameter monitoring Device, it is characterised in that: including outer sleeve 1 and inner sleeve 2, the outer sleeve 1 includes outer tube 11 and conehead 12, the outer tube 11 On reserve several measured holes 13, rubber pad 14 is installed outside the measured hole 13;The inner sleeve 2 includes inner tube 21, pipe cap 22 and sensor Soft Push―system 23, said inner tube 21 reserve several preformed holes 24, position is corresponding with measured hole 13, the biography Sensor Soft Push―system 23 includes propulsion device 231 and soil conditions parameter measurement sensor 232, and the propulsion device 231 is wrapped Telescopic rod 2311 and pedestal 2312 are included, the pedestal 2312 is fixed on 21 inside of said inner tube, and the telescopic rod 2311 is solid Due to the soil conditions parameter measurement sensor 232.
Further, the outer sleeve 1 is set in the soil body, and guarantee comes into full contact with the soil body.
Further, 14 lower part of rubber pad is fixed on reserved 13 lower part of measured hole of the outer tube 11, described in covering Measured hole 13, other positions are without constraint, and there are two states for the rubber pad 14: opening and closing state.
Further, outer tube 11 is placed in said inner tube 21,22 outer diameter of pipe cap is greater than the outer diameter of the outer tube 11.
Further, the telescopic rod 2311 can provide power by driving devices such as motor, cylinder and oil cylinders, pass through cable Line 25 controls, and may be configured as shrinking and releasing state.
Further, the soil conditions parameter measurement sensor 232 can be the flow of water, water level, temperature, soil pressure, a huge sum of money Belong to the sensors such as ion, organic pollution, dielectric constant of soil body.
Another object of the present invention is to provide a kind of replaceable multilayer soil body state parameter monitoring device users Method uses monitoring device above-mentioned, it is characterised in that:
Step 1: the outer sleeve 1 is set to design position, the rubber pad 14 is in closed state;
Step 2: will be in the soil conditions parameter measurement sensor 232 installation to the propulsion device 231, it is ensured that institute It states telescopic rod 2311 and is in contraction state;
Step 3: being placed in the outer sleeve 1 for the inner sleeve 2, adjusts 2 position of inner sleeve, it is ensured that the survey Metering-orifice 13 and preformed hole 24 are overlapped;
Step 4: regulating and controlling the telescopic rod 2311 to release state, and the soil conditions parameter measurement sensor 232 is in institute It is in the open state to state the lower promotion rubber pad 14 of the effect of telescopic rod 2311, until the soil conditions parameter measurement sensor 232 bury into the soil body, can measure to the relevant parameter of the soil body.
On the basis of preceding method, further comprise: step 5: in case of soil conditions parameter measurement sensor needs replace It changes, regulates and controls the telescopic rod 2311 to contraction state, the soil conditions parameter measurement sensor 232 is in the telescopic rod 2311 Effect is lower to shrink, and the rubber pad 14 is in close state;
Step 6: the inner sleeve 2 is taken out by the pipe cap 22, replaces soil conditions parameter measurement sensor, is repeated Step three and four can re-start measurement.
The beneficial effect of the present invention compared to the prior art includes: replaceable multilayer soil body state parameter prison of the invention Device and application method are surveyed, the soil conditions parameter measurement sensor of multiple and different depth can be once buried, is installed using squeezing, Guarantee that the soil body contacts, without using backfill, the soil body is influenced smaller, while being convenient in measurement process to take out/soil is installed Earth state parameter measurement sensor facilitates sensor to replace and overhaul, meanwhile, for state of soil parameter monitoring accuracy of measurement Height, deviation are small.
Detailed description of the invention
Fig. 1 is replaceable multilayer soil body state parameter monitoring device schematic diagram (step 1 and two);
Fig. 2 is replaceable multilayer soil body state parameter monitoring device schematic diagram (step 3);
Fig. 3 is replaceable multilayer soil body state parameter monitoring device schematic diagram (step 4);
1- outer sleeve;11- outer tube;12- conehead;13- measured hole;14- rubber pad;2- inner sleeve;21- inner tube;22- pipe Cap;23- sensor Soft Push―system;231- propulsion device;2311- telescopic rod;2312- pedestal;232- soil conditions parameter is surveyed Quantity sensor;24- preformed hole;25- cable
Specific embodiment
The present invention is further described for explanation and specific embodiment with reference to the accompanying drawing.
Embodiment 1
Referring to Fig. 1, the present invention provides a kind of replaceable multilayer soil body state parameter monitoring device, feature exists In: including outer sleeve 1 and inner sleeve 2, the outer sleeve 1 includes outer tube 11 and conehead 12, reserves several on the outer tube 11 Measured hole 13 installs rubber pad 14 outside the measured hole 13;The inner sleeve 2 includes that inner tube 21, pipe cap 22 and sensor push away Into formula system 23, said inner tube 21 reserves several preformed holes 24, and position is corresponding with measured hole 13, sensor push type system System 23 includes propulsion device 231 and soil conditions parameter measurement sensor 232, and the propulsion device 231 includes telescopic rod 2311 With pedestal 2312, the pedestal 2312 is fixed on 21 inside of said inner tube, and the telescopic rod 2311 is fixed on the soil State parameter measurement sensor 232.
The outer sleeve 1 is set in the soil body, and guarantee comes into full contact with the soil body.
14 lower part of rubber pad is fixed on reserved 13 lower part of measured hole of the outer tube 11, covers the measured hole 13, Other positions are without constraint, and there are two states for the rubber pad 14: opening and closing state.
Outer tube 11 is placed in said inner tube 21,22 outer diameter of pipe cap is greater than the outer diameter of the outer tube 11.
The telescopic rod 2311 can provide power by driving devices such as motor, cylinder and oil cylinders, be controlled by cable 25, It may be configured as shrinking and releasing state.
The soil conditions parameter measurement sensor 232 can be the flow of water, water level, temperature, soil pressure, heavy metal ion, have The sensors such as the pollution of machine object, dielectric constant of soil body.
Embodiment 2
A kind of replaceable multilayer soil body state parameter monitoring device application method uses the monitoring device of embodiment 1, packet It includes:
Shown in referring to Fig.1, step 1: the outer sleeve 1 is set to design position, the rubber pad 14 is in closed form State;
Step 2: will be in the soil conditions parameter measurement sensor 232 installation to the propulsion device 231, it is ensured that institute It states telescopic rod 2311 and is in contraction state;
Referring to shown in Fig. 2, step 3: the inner sleeve 2 is placed in the outer sleeve 1, adjusts the inner sleeve 2 It sets, it is ensured that the measured hole 13 and preformed hole 24 are overlapped;
Referring to shown in Fig. 3, step 4: regulate and control the telescopic rod 2311 to release state, the soil conditions parameter measurement Sensor 232 pushes the rubber pad 14 in the open state under the telescopic rod 2311 effect, until the soil conditions Parameter measurement sensor 232 is buried into the soil body, can be measured to the relevant parameter of the soil body.
On the basis of preceding method, preferred embodiment further comprises: step 5: in case of soil conditions parameter measurement senses Device needs to replace, and regulates and controls the telescopic rod 2311 to contraction state, the soil conditions parameter measurement sensor 232 is stretched described The effect of contracting bar 2311 is lower to shrink, and the rubber pad 14 is in close state;
Step 6: the inner sleeve 2 is taken out by the pipe cap 22, replaces soil conditions parameter measurement sensor, is repeated Step three and four can re-start measurement.
Embodiment 3
By using replaceable multilayer soil body state parameter monitoring device, by taking soil water potential measures as an example, soil water potential Remolding sensitivity conventional method improves about 90%, and the measurement reaction time shortens about 10%.When measuring the pore pressure of 80kPa, this Soil water potential accuracy measured by the device and method of patent improves about 30%.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, In Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention Protection scope.

Claims (6)

1. a kind of replaceable multilayer soil body state parameter monitoring device application method, which is characterized in that using as described below A kind of replaceable multilayer soil body state parameter monitoring device, including outer sleeve (1) and inner sleeve (2), outer sleeve (1) packet Outer tube (11) and conehead (12) are included, several measured holes (13), peace outside the measured hole (13) are reserved on the outer tube (11) It fills rubber pad (14), rubber pad (14) lower part is fixed on the outer tube (11) reserved measured hole (13) lower part, covers institute It states measured hole (13), other positions are without constraint, and there are two states for the rubber pad (14): opening and closing state;In described Sleeve (2) includes inner tube (21), pipe cap (22) and sensor Soft Push―system (23), and it is reserved that said inner tube (21) reserves several Hole (24), position is corresponding with measured hole (13), and the sensor Soft Push―system (23) includes propulsion device (231) and soil shape State parameter measurement sensor (232), the propulsion device (231) include telescopic rod (2311) and pedestal (2312), the bottom Seat (2312) is fixed on the inside of said inner tube (21), and the telescopic rod (2311) is fixed on the soil conditions parameter measurement and passes Sensor (232), application method include:
Step 1: the outer sleeve (1) is set to design position, the rubber pad (14) is in closed state;
Step 2: will be in the soil conditions parameter measurement sensor (232) installation to the propulsion device (231), it is ensured that institute It states telescopic rod (2311) and is in contraction state;
Step 3: being placed in the outer sleeve (1) for the inner sleeve (2), adjusts the inner sleeve (2) position, it is ensured that described Measured hole (13) and preformed hole (24) are overlapped;
Step 4: regulate and control the telescopic rod (2311) to the state of release, the soil conditions parameter measurement sensor (232) is in institute It is in the open state to state the lower promotion rubber pad (14) of telescopic rod (2311) effect, until the soil conditions parameter measurement passes Sensor (232) is buried into the soil body, can be measured to the relevant parameter of the soil body.
2. a kind of replaceable multilayer soil body state parameter monitoring device application method according to claim 1, feature It is, further comprises: step 5: if soil conditions parameter measurement sensor needs to replace, regulates and controls the telescopic rod (2311) to contraction state, the soil conditions parameter measurement sensor (232) is shunk in the case where the telescopic rod (2311) act on, The rubber pad (14) is in close state;
Step 6: the inner sleeve (2) is taken out by the pipe cap (22), replaces soil conditions parameter measurement sensor, is repeated Step three and four can re-start measurement.
3. application method according to claim 1, it is characterised in that: the outer sleeve (1) sets in the soil body, guarantee with The soil body comes into full contact with.
4. application method according to claim 1, it is characterised in that: it is placed on outer tube (11) in said inner tube (21), it is described Pipe cap (22) outer diameter is greater than the outer diameter of the outer tube (11).
5. application method according to claim 1, it is characterised in that: the telescopic rod (2311) is by motor, cylinder and oil The driving device of cylinder provides power, is controlled by cable (25), may be configured as shrinking and releasing state.
6. application method according to claim 1, it is characterised in that: the soil conditions parameter measurement sensor (232) For the sensor of the measurement flow of water, water level, temperature, soil pressure, heavy metal ion, organic pollution or dielectric constant of soil body.
CN201710304997.3A 2017-05-03 2017-05-03 A kind of replaceable multilayer soil body state parameter monitoring device and application method Active CN107085086B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203658603U (en) * 2014-01-07 2014-06-18 山东大学 Comprehensive advanced geological detection system carried by tunnel boring machine
CN104237483A (en) * 2013-06-07 2014-12-24 上海大学 Soil body temperature gradient and moisture movement test device
CN204346967U (en) * 2014-12-22 2015-05-20 山东大学 A kind of water content of soil tester based on change in resistance principle
CN204856084U (en) * 2015-07-26 2015-12-09 中铁十八局集团有限公司 Automatic monitoring soil body state parameter's remote control system
CN205483912U (en) * 2016-01-15 2016-08-17 河海大学 Probe test device of air humidity to influence of capillary liter on water
CN106324045A (en) * 2016-11-01 2017-01-11 西安理工大学 Device for testing electric conductivity and soil-water characteristics of loess

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104237483A (en) * 2013-06-07 2014-12-24 上海大学 Soil body temperature gradient and moisture movement test device
CN203658603U (en) * 2014-01-07 2014-06-18 山东大学 Comprehensive advanced geological detection system carried by tunnel boring machine
CN204346967U (en) * 2014-12-22 2015-05-20 山东大学 A kind of water content of soil tester based on change in resistance principle
CN204856084U (en) * 2015-07-26 2015-12-09 中铁十八局集团有限公司 Automatic monitoring soil body state parameter's remote control system
CN205483912U (en) * 2016-01-15 2016-08-17 河海大学 Probe test device of air humidity to influence of capillary liter on water
CN106324045A (en) * 2016-11-01 2017-01-11 西安理工大学 Device for testing electric conductivity and soil-water characteristics of loess

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