CN106908581A - A kind of simple portable Soil Water Content Rate Determination instrument of belt sensor - Google Patents
A kind of simple portable Soil Water Content Rate Determination instrument of belt sensor Download PDFInfo
- Publication number
- CN106908581A CN106908581A CN201710060523.9A CN201710060523A CN106908581A CN 106908581 A CN106908581 A CN 106908581A CN 201710060523 A CN201710060523 A CN 201710060523A CN 106908581 A CN106908581 A CN 106908581A
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- China
- Prior art keywords
- piece
- conic
- hollow body
- fixed
- pipe sleeve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/246—Earth materials for water content
Abstract
The present invention relates to a kind of portable soil tester for water ratio, including hollow body, metering device and and conic-insertion-piece, described conic-insertion-piece is fixedly connected with the lower end of hollow body into water-stop, metering device is releasably fixed on a side of the hollow body away from conic-insertion-piece, metering device includes mobile pipe sleeve, it is fixed on the displacement transducer that moving tube puts, described displacement transducer includes being fixed on the displacement transducer body that moving tube puts, sensing data connecting line, the foil gauge being connected with sensing data connecting line, displacement display and built-in power, described foil gauge is fixed on sliding block, described sliding block covers with described moving tube and is fitted close；One end that hollow body is connected with conic-insertion-piece offers sample port, and the bottom of mobile pipe sleeve exceedes the sample port lowest part of institute, described sliding block be located at described in sample port highest point top；Described conic-insertion-piece upper end offers bentonite storagetank, and bottom is tapered, and described bentonite storagetank upper port is closely connected with described hollow body into water-stop.
Description
Technical field
The present invention relates to a kind of soil test device, the measure of more particularly to a kind of soil moisture content of different depth is filled
Put.
Background technology
Moisture content is one of basic physical index of three-phase of soil, and influences fairly obvious to ground volume property, its numerical value
It is quick to determine that pair determination ground physico-mechanical properties has very important meaning.
Using the preceding measure for generally carrying out moisture content, its mode is the soil sample and container that will be weighed to soil in construction material
It is put into 105 ± 5 DEG C of baking oven and dries to constant weight, soil sample and container after drying are then weighed again, after record data, passes through
Formula calculates the moisture content of soil sample.Do in this way and determine twice, finally using the average value of measurement result twice as soil sample
The measured value of moisture content.This method time and effort consuming, completes once measure and generally requires or so 8 hours.The measure of fried dry method
Step is roughly the same with the above method, and soil sample is constantly turned with scuppit on operation format.This method can determine when
Between foreshorten to 30 minutes or so, but still do not break away from the use of drying plant, while there is also the defect for consuming the energy.
Additionally, the method for determining moisture content has alcohol combustion method, hydrometer method and real volumetric method, but all exist cumbersome.
The Chinese patent of Publication No. 205538541U discloses a kind of portable Water Content Tests in Soil Samples analyzer.The equipment bag
Casing is included, weighing apparatus and baker are separately installed with casing, quality readings display is provided with weighing apparatus, set on weighing apparatus
Box one is equipped with, box two is provided with baker；Also include a bull stick, bull stick one end is connected with box one, turn
The bar other end is connected with box two.Easy to carry, the integrated simple operation of the present invention, precision are higher；To weigh, show, dry
Dry integration, subtracts human error and improves efficiency convenient use simultaneously.
The Chinese patent of Publication No. 103592248A discloses a kind of colorimetric estimation method of soil moisture content, with 0.1
The organic solution of~30g/L CoCL2 6H2Os is that developer extracts pedotheque to be measured, removes solid matter, obtains solution to be measured,
Under the wavelength of 380~680nm, the absorbance of above-mentioned solution to be measured is determined；According to upper step gained absorbance in the suction set up
Corresponding soil moisture content is searched on luminosity-soil moisture content standard curve；Or be updated to upper step gained absorbance built
Vertical absorbance-soil moisture content calibration curve equation, tries to achieve corresponding soil moisture content.Survey moisture method of the invention is not received
The influence of soil type, composition, unit weight, disturbance etc., error can be controlled in less than 2%, is a kind of universality soil moisture content detection
Method；It is not only suitable for scene speed in the wild to survey, is also applied for laboratory and quickly determines soil sample moisture.
Although the Chinese patent of Publication No. 205538541U be convenient for carrying, integrated simple operation, precision are higher；To claim
It is weight, display, drying integrated, reduce human error and improve efficiency convenient use simultaneously, but energy resource consumption is still present, and deposit
In potential safety hazard.Though the Chinese patent of Publication No. 103592248A is not influenceed by soil type, composition, unit weight, disturbance etc.,
Error can be controlled in less than 2%, is a kind of universality soil moisture content detection method；It is not only suitable for scene speed in the wild to survey, also fits
Soil sample moisture is quickly determined for laboratory and accuracy of detection is high, can determine the soil sample of low-water-content, but it needs the later stage
Carry out the reading of soil sample absorbance, in addition it is also necessary to formula replacement below, be likely to result in unnecessary error.
The content of the invention
The problems such as present invention is directed to not portable existing measurement of water-content coefficient method, complex steps, it is proposed that a kind of measurable
The portable soil tester for water ratio of the soil moisture content on different depth stratum.
The present invention uses following technical scheme：
A kind of portable soil tester for water ratio, the analyzer is inserted including hollow body 1, metering device 2 and taper
Part 3, described conic-insertion-piece 3 is fixedly connected with the lower end of hollow body 1 into water-stop, and described metering device 2 is releasably
A side of the hollow body 1 away from conic-insertion-piece 3 is fixed on, described metering device 2 includes mobile pipe sleeve 21, is fixed on moving tube
The displacement transducer 22 for putting, described displacement transducer 22 include being fixed on the displacement transducer body 221 that moving tube puts,
Sensing data connecting line 222 and the foil gauge 223 of sensing data connecting line connection, institute displacement sensors body 221 set
There are displacement display and built-in power, described foil gauge is fixed on sliding block 4, described sliding block 4 and described mobile pipe sleeve
21 are fitted close；One end that described hollow body 1 is connected with conic-insertion-piece 3 offers sample port 5, described mobile pipe sleeve
21 bottom exceed institute the lowest part of sample port 5, described sliding block be located at described in the highest point of sample port 5 top；Institute
The conic-insertion-piece upper end stated offers bentonite storagetank 31, and bottom is tapered, described bentonite storagetank upper port with
Described hollow body is closely connected into water-stop.
Further, displacement transducer of the present invention is miniature laser distance measuring sensor.
Further, built-in power of the present invention is battery.
Further, bentonite storagetank upper port of the present invention is provided with the block 6 of fixed mobile pipe sleeve.The block 6
Moving tube set 21 can be blocked makes it fix in this position.
The beneficial effects of the present invention are：Simple portable Soil Water Content Rate Determination instrument of the invention, structure simple structure,
Analyzer is pressed into stratum using static pressure method, to measure the moisture content on different depth stratum and whole equipment instrument is small, is carried
It is convenient, it is simple to operate, without using the energy and drying plant.
Brief description of the drawings
Fig. 1 is simple portable Soil Water Content Rate Determination instrument structural representation of the present invention.
Fig. 2 is simple portable Soil Water Content Rate Determination instrument cross-sectional view of the present invention.
In figure, 1- hollow bodies, 2- metering devices, 21- movement pipe sleeves, 22- displacement transducers, 221- displacement transducer sheets
Body, 222- sensing data connecting lines, 223- foil gauges, 3- conic-insertion-pieces, 31- bentonite storagetanks, 4- sliding blocks, 5- samples lead to
Mouthful, 6- blocks.
Specific embodiment
With reference to specific accompanying drawing 1-2 and embodiment, to the present invention, the present invention is described further, but of the invention
Protection domain is not limited to that.
The present invention is a kind of portable soil tester for water ratio, and the analyzer includes hollow body 1, metering device 2
And with conic-insertion-piece 3, described conic-insertion-piece 3 is fixedly connected with the lower end of hollow body 1 into water-stop, described metering device
2 are releasably fixed on a side of the hollow body 1 away from conic-insertion-piece 3, and described metering device 2 includes mobile pipe sleeve 21, Gu
The displacement transducer 22 that moving tube puts is scheduled on, described displacement transducer 22 includes being fixed on the displacement sensing that moving tube puts
The foil gauge 223 of device body 221, sensing data connecting line 222 and sensing data connecting line connection, the displacement sensing
Device body 221 is provided with displacement display and built-in power, and described foil gauge is fixed on sliding block 4, described sliding block 4 with it is described
Mobile pipe sleeve 21 be fitted close；One end that described hollow body 1 is connected with conic-insertion-piece 3 offers sample port 5, described
Mobile pipe sleeve 21 bottom exceed institute the lowest part of sample port 5, described sliding block be located at described in the highest point of sample port 5
Top；Described conic-insertion-piece upper end offers bentonite storagetank 31, and bottom is tapered, described bentonite storagetank
Upper port is closely connected with described hollow body into water-stop；Institute's displacement sensors are miniature laser distance measuring sensor；Institute
Built-in power is stated for battery；The bentonite bentonite storagetank upper port is provided with block 6, and the block 6 can block movement
Pipe sleeve 21 makes it fix in this position.
Concrete operations of the present invention are：
(1) enough bentonites are added in absorbent material storagetank 31 and fill and lead up whole, then by conic-insertion-piece 3 with hollow
The threaded connection of body 1 is fixed, and metering device 2 is fixed in hollow body 1, and the bottom of mobile pipe sleeve 21 coordinates just with block 6
Touch bentonite upper surface, adjustment displacement transducer 22 reading zero.
(2) analyzer is depressed into designated depth stratum, drives mobile pipe sleeve outside using the ball of the mobile upper end of pipe sleeve 21
Layback is moved, and enough or slightly excessive pedotheques is entered inside mobile pipe sleeve 21 from sample port 5, and concrete operations can see displacement
The change of the reading of sensor 22 judges the amount of soil, when pedotheque touches sliding block 4, the change of foil gauge inductive displacement, displacement
The display reading of sensor 22 can change, and make reading zero or slightly larger than zero as far as possible, and now pedotheque is enough or slightly excessive,
If reading is significantly beated, amount of soil is excessive, need to take out unnecessary soil.
(3) treat that pedotheque is full of the chamber of mobile pipe sleeve 21 and the composition of sliding block 4, mobile pipe sleeve 21 is pressed down at once until
Coordinate with block 6, close mobile pipe sleeve, now sliding block 4 is extruded one small upward displacement of generation, strain by soil
Piece inductive displacement changes, and the reading of displacement transducer 22 can change, and it is X that reading is recorded at once1, treat bentonite and pedotheque
It is fully contacted, bentonite water swelling, after the stable reading of displacement transducer 22, carries out reading and be designated as X2, Δ X is calculated,
Displacement as after bentonite water swelling, then again by the pass between known bentonitic expansion displacement and moisture content
System.To improve certainty of measurement, experiment is can be repeated several times, averaged.
Further, with hollow body to be removably threadedly coupled, when needing, replacing is swollen for conic-insertion-piece of the present invention 3
During profit soil, removable inferior pyramidal plug-in unit 3 is changed, very convenient.
The above implementation is only to absolutely prove the preferably implementation that patent of the present invention is lifted, the protection of this patent
Scope not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of this patent, at this
Within the protection domain of patent.The protection domain of this patent is defined by claims.
Claims (4)
1. a kind of portable soil tester for water ratio, it is characterised in that：The analyzer includes that hollow body (1), instrument are filled
(2) and conic-insertion-piece (3) are put, described conic-insertion-piece (3) is fixedly connected with the lower end of hollow body (1) into water-stop, described
Metering device (2) be releasably fixed on a side of the hollow body (1) away from conic-insertion-piece (3), described metering device (2)
Including mobile pipe sleeve (21), the displacement transducer (22) that moving tube puts is fixed on, described displacement transducer (22) is including solid
It is scheduled on displacement transducer body (221), sensing data connecting line (222) and sensing data connecting line that moving tube puts
The foil gauge (223) of connection, institute's displacement sensors body (221) is provided with displacement display and built-in power, described strain
Piece is fixed on sliding block (4), and described sliding block (4) is fitted close with described mobile pipe sleeve (21)；Described hollow body (1)
The one end being connected with conic-insertion-piece (3) offers sample port (5), the bottom of described mobile pipe sleeve (21) exceed sample
Port (5) lowest part, described sliding block is located at the top of described sample port (5) highest point；Described conic-insertion-piece upper end
Portion offers bentonite storagetank (31), and bottom is tapered, described bentonite storagetank upper port and described hollow body
Closely connected into water-stop.
2. portable soil tester for water ratio as claimed in claim 1, it is characterised in that：Institute's displacement sensors are small-sized
Laser range sensor.
3. portable soil tester for water ratio as claimed in claim 1, it is characterised in that：The built-in power is electric power storage
Pond.
4. portable soil tester for water ratio as claimed in claim 1, it is characterised in that：On described bentonite storagetank
Port is provided with the block (6) of fixed mobile pipe sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710060523.9A CN106908581B (en) | 2017-01-25 | 2017-01-25 | A kind of simple portable Soil Water Content Rate Determination instrument of belt sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710060523.9A CN106908581B (en) | 2017-01-25 | 2017-01-25 | A kind of simple portable Soil Water Content Rate Determination instrument of belt sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106908581A true CN106908581A (en) | 2017-06-30 |
| CN106908581B CN106908581B (en) | 2019-06-14 |
Family
ID=59207675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710060523.9A Active CN106908581B (en) | 2017-01-25 | 2017-01-25 | A kind of simple portable Soil Water Content Rate Determination instrument of belt sensor |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63200061A (en) * | 1987-02-16 | 1988-08-18 | Oyo Chishitsu Kk | Soil moisture meter |
| US5694806A (en) * | 1993-06-24 | 1997-12-09 | University Of Strathclyde | Measurement of water content |
| CN102590476A (en) * | 2012-02-10 | 2012-07-18 | 浙江大学 | Vertisol expansion coefficient measurement device and application thereof |
| CN202583176U (en) * | 2012-02-17 | 2012-12-05 | 北京工业大学 | Deep soil humidity real-time measurement and control system |
| JP2014048099A (en) * | 2012-08-30 | 2014-03-17 | Shimizu Corp | Behavior prediction method of water absorption expansive clay |
| CN204495823U (en) * | 2015-02-04 | 2015-07-22 | 山东大学 | A kind of new soil is radially expanded rate tester |
| CN104833392A (en) * | 2015-04-30 | 2015-08-12 | 广西大学 | Device and method for measuring soil displacement and moisture content of slope |
| CN105928643A (en) * | 2016-04-26 | 2016-09-07 | 西南科技大学 | Bentonite two-way swelling force measuring instrument |
-
2017
- 2017-01-25 CN CN201710060523.9A patent/CN106908581B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63200061A (en) * | 1987-02-16 | 1988-08-18 | Oyo Chishitsu Kk | Soil moisture meter |
| US5694806A (en) * | 1993-06-24 | 1997-12-09 | University Of Strathclyde | Measurement of water content |
| CN102590476A (en) * | 2012-02-10 | 2012-07-18 | 浙江大学 | Vertisol expansion coefficient measurement device and application thereof |
| CN202583176U (en) * | 2012-02-17 | 2012-12-05 | 北京工业大学 | Deep soil humidity real-time measurement and control system |
| JP2014048099A (en) * | 2012-08-30 | 2014-03-17 | Shimizu Corp | Behavior prediction method of water absorption expansive clay |
| CN204495823U (en) * | 2015-02-04 | 2015-07-22 | 山东大学 | A kind of new soil is radially expanded rate tester |
| CN104833392A (en) * | 2015-04-30 | 2015-08-12 | 广西大学 | Device and method for measuring soil displacement and moisture content of slope |
| CN105928643A (en) * | 2016-04-26 | 2016-09-07 | 西南科技大学 | Bentonite two-way swelling force measuring instrument |
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| Publication number | Publication date |
|---|---|
| CN106908581B (en) | 2019-06-14 |
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