CN106645131A - Test paper type portable soil moisture content measurer - Google Patents
Test paper type portable soil moisture content measurer Download PDFInfo
- Publication number
- CN106645131A CN106645131A CN201710059939.9A CN201710059939A CN106645131A CN 106645131 A CN106645131 A CN 106645131A CN 201710059939 A CN201710059939 A CN 201710059939A CN 106645131 A CN106645131 A CN 106645131A
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- test paper
- moisture content
- probe
- soil moisture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N2021/7756—Sensor type
- G01N2021/7759—Dipstick; Test strip
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a test paper type portable soil moisture content measurer. The test paper type portable soil moisture content measurer is characterized by comprising an extensible rod, a probe and a pile head which are sequentially connected; a working cavity is formed by the extensible rod, an internal cavity of the probe and the pile head, and is airtight; an air extractor is arranged at the end of the extensible rod, and comprises a cavity, an air extraction rod and a piston plate; the air extraction rod is fixedly connected with the piston plate; the piston plate is in tight fit with the inner wall of the cavity; test paper can be laid in the probe. During use, a color card is compared with the tested test paper to determine the corresponding moisture content. The test paper type portable soil moisture content measurer is simple and convenient to operate during use, and can measure the water content quickly in real time; the components are connected through threaded structures, so that the test paper type portable soil moisture content measurer is convenient to assemble, disassemble and carry when not used.
Description
Technical field
The present invention relates to geologic prospect field, and in particular to for measuring moisture content, different depth is especially quickly measured
The device of the moisture content on place stratum.
Background technology
Moisture content is one of basic physical index of three-phase of soil, and affects fairly obvious to the physico-mechanical properties of soil,
The degree of accuracy pair of its numerical value determines that soil body physico-mechanical properties has very important meaning.Its numerical value can be in the indoor survey of experiment
Measure, it is also possible to direct measurement at the construction field (site).
The measuring method of moisture content is divided into oven drying method, alcohol combustion method, hydrometer method, real volumetric method etc..Wherein oven drying method
With alcohol combustion method with relatively wide, but be measured in laboratory because the soil sample for gathering need to be arrived, thus determination step it is more, when
Between it is longer, and have certain error.In order to quickly obtain result, in-site measurement, such test result and actual value can be carried out
It is closer to, while result of the test can be obtained quickly.
The Chinese patent of Publication No. 103592248A discloses a kind of colorimetric estimation method of soil moisture content.The method
Organic solution, absorbance including 0.1～30g/L CoCL2 6H2Os-soil moisture content calibration curve.Measurement soil moisture content
When the organic solution of 0.1～30g/L CoCL2 6H2Os is extracted into pedotheque to be measured, remove solid matter, obtain solution to be measured
Absorbance, surveyed absorbance is brought into the absorbance-soil moisture content calibration curve equation set up, tries to achieve corresponding soil
Moisture content.
The Chinese patent of Publication No. 103837501B discloses a kind of analysis method of moisture percentage in sewage sludge.The method includes
Light signal transmitter, fluorescence detector.Send the light of specific wavelength during measurement moisture percentage in sewage sludge to tested sludge using light source
Source signal, while collecting detection sludge into the reflection angle position of regulation in detection signal and light signal using fluorescence detector
The light signal of reflection, by receiving light wave signal contrast, determines the moisture content of sludge.
The Chinese patent of Publication No. 104407021A discloses a kind of soil moisture content measurement apparatus.The equipment includes electricity
Source, sensor probe, protective resistance and data collecting instrument.Sensor probe need to be put to specific bit at the scene during measurement moisture content
Put, measure the position resistivity, through data collecting instrument measurement data is gathered, different resistivity can cause different measurement electricity
Pressure, finally by voltage-plot of water cut correspondence moisture content is measured.
Existing measurement apparatus are, by field sampling, then to measure soil moisture content by laboratory oven drying method mostly.Especially
When needing to determine the moisture content of different depth, need to carry out many parts of samplings, not only original soil structures can be damaged, and
And operating efficiency is relatively low, it is impossible to enough meet the requirement that reality quickly obtains result.
The content of the invention
To solve the defect of existing measurement of water ratio method, it is an object of the invention to provide a kind of quick measurement is different
The device of depth stratum moisture content.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of portable survey soil moisture content device of test paper type, it is characterised in that：Including the expansion link, probe that are sequentially connected
With pile crown, described expansion link, probe inner hollow and described pile crown constitute work chamber, and described work chamber is into airtight
Close, described telescopic rod end is provided with air extractor；
Described air extractor is described to take out including the airtight cavity for closing, through the air exhaust rod and piston plate of cavity upper surface
Gas bar is fixedly connected with piston plate, and the piston plate is fitted close with described cavity inner wall；
One end that described expansion link is connected with probe is provided with retractor device, and described retractor device is mutually socketed by before and after
Some grades of hollow stems composition, gas airtight connection between described hollow stem；
Described probe is followed successively by from top to bottom epimere, stage casing, and the part of hypomere three, described middle segment length is no longer than hypomere
Length, described lower segment length are no longer than the length of described epimere, and described stage casing offers vertical bar shape instrument connection in fence
Formula is arranged, and the fence inwall between adjacent instrument connection is provided with guide rail；Described guide rail all sets respectively in described epimere, hypomere
There is guide rail extension, described probe is built with testing tube, and described testing tube is nested with testing tube inner core by testing tube outer tube
Composition, described testing tube outer tube is provided with raised line, and the raised line is engaged with described guide rail and can slide up and down；Described survey
Test tube outer tube is divided into from top to bottom closed section and detection section, and hollow out design, described between the adjacent raised line of described detection section
The length of detection section matches with the length in described stage casing, described detection section it is of length no more than described in closed section length
Degree, between the testing tube outer tube and testing tube inner core test paper can be laid；
Hoisting mechanism is installed, described hoisting mechanism one end is movably connected described in described work chamber
On expansion link, the other end is fixed on described testing tube；Described testing tube passes through reset bullet away from one end of hoisting mechanism
Spring is connected with described probe.
Further, described hoisting mechanism one end is fixed on the position on the expansion link between air extractor and retractor device
Put, the hoisting mechanism includes installation axle, roller and is fixed on drawstring on roller and the rocking bar that is fixedly connected with roller is constituted, described peace
Dress axle is fixed on described expansion link, and described rocking bar is arranged on described expansion link outer wall.
Further, the setting height(from bottom) of the test paper detects the height of section more than testing tube outer tube.
Further, the setting height(from bottom) of the test paper is contour with described testing tube.
Further, the length limited of the hollow stem is in the position of described rocking bar.
Further, the adjacent hollow stem can be threaded connection.
Further, the hollow stem, probe and pile crown are made of stainless steel.
Further, the piston plate is made up of rubber.
Further, in dismountable connection between the expansion link and probe, probe and pile crown.
Further, connected by helicitic texture between the expansion link and probe, probe and pile crown.
The method for determining soil moisture content using a kind of portable survey soil moisture content device of test paper type of the present invention
For：
During work, air exhaust rod is pushed into the lowermost end of cavity, rotating rocker makes testing tube enclosed area and weighs with probe stage casing
Close, form confined space.It is long according to institute's depth measurement degree adjustment expansion link bar, disposably it is inserted into institute's depth measurement degree using static pressure method；Again
Secondary rotating rocker, makes the test section in testing tube overlap with probe stage casing, then slowly pulls air exhaust rod, makes piston plate reach top
Portion；A period of time is stood, rocking bar is unclamped, makes testing tube enclosed area overlap the confined space that formed again with stage casing of popping one's head in；By device
Propose and dismantled, take out test paper；Contrasted with the test paper Jing after test with colorimetric card, it is determined that correspondence moisture content；
Adjusting rod section, changes the length of expansion link, and the soil moisture content of repeat the above steps measurement different depth is according to finally can obtaining respectively
To each depth moisture content ω1、ω2、…ωn。
The beneficial effects of the present invention is：The probe of apparatus of the present invention only works in area to be measured, and vulnerable to pollution, does not measure knot
Fruit is precisely；It is easy to operate when using, moisture content can be real-time measured, each several part part is connected by helicitic texture, is not used
When it is easy to disassemble, be convenient for carrying.
Description of the drawings
Fig. 1 is device overall diagram.
Fig. 2 is pile crown structure chart.
Fig. 3 is sonde configuration figure.
Fig. 4 is probe middle section structure profile.
Fig. 5 is testing tube structure chart
Fig. 6 is testing tube top view.
Fig. 7 is Telescopic rod structure figure.
Fig. 8 is air extractor profile.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description.Based on the embodiment in the present invention, those of ordinary skill in the art are not on the premise of creative work is made
The all other embodiment for being obtained, belongs to the scope of protection of the invention.
In figure, 1. pile crown, 2. back-moving spring, 3. instrument connection, 4. fence, 5. guide rail, 6. pops one's head in, 7. testing tube, 8. raised line,
9. test paper, 10. expansion link, 11. hollow stems, 12. installation axles, 13. rocking bars, 14. rollers, 15. cavitys, 16. air exhaust rods, 17. pistons
Plate.
A kind of portable survey soil moisture content device of test paper type, it is characterised in that：Including the expansion link 10 being sequentially connected, visit
6 constitute work chamber, described work chamber with pile crown 1, described expansion link 10, probe inner hollow and described pile crown
Close into airtight, the described end of expansion link 10 is provided with air extractor.
Described air extractor include the airtight cavity 15 for closing, through the air exhaust rod 16 and piston plate 17 of cavity upper surface,
The air exhaust rod 16 is fixedly connected with piston plate 17, and the piston plate 17 is fitted close with the described inwall of cavity 15.
One end that described expansion link 10 is connected with probe 6 is provided with retractor device, and described retractor device is mutual by before and after
Some grades of hollow stems 11 of socket are constituted, gas airtight connection between described hollow stem 11.
Described probe 6 is followed successively by from top to bottom epimere, stage casing, and the part of hypomere three, described middle segment length is no longer than down
Segment length, described lower segment length are no longer than the length of described epimere, and described stage casing offers vertical bar shape instrument connection 3 in grid
Bar is arranged, and the inwall of fence 4 between adjacent instrument connection is provided with guide rail 5；Described guide rail 5 in described epimere, hypomere all
Guide rail extension is respectively equipped with, built with testing tube 7, described testing tube 7 is by testing tube outer tube and testing tube for described probe 6
The nested composition of inner core, the described outer tube of testing tube 7 is provided with raised line 8, and the raised line 8 is engaged with described guide rail 5 can be upper and lower
Slide；Described testing tube 7 is divided into from top to bottom closed section and detection section, hollow out between the adjacent raised line 8 of described detection section
Design, the length of described detection section matches with the length in described stage casing, described detection section it is of length no more than described in
Closed section length, can lay test paper 9 between the testing tube outer tube and testing tube inner core.
Hoisting mechanism is installed, described hoisting mechanism one end is movably connected described in described work chamber
On expansion link 10, the other end is fixed on described testing tube 7；Described testing tube 7 passes through multiple away from one end of hoisting mechanism
Position spring 2 is connected with described probe 6.
Further, described hoisting mechanism one end is fixed on the expansion link 10 between air extractor and retractor device
Position, the structure of rocking bar 13 that the hoisting mechanism includes installation axle 12, roller 14 and is fixed on drawstring on roller 14 and is fixedly connected with roller
Into described installation axle 12 is fixed on described expansion link 10, and described rocking bar 13 is arranged in the described outer wall of expansion link 10
On.
The setting height(from bottom) of the test paper is contour with testing tube 7.
The length limited of the hollow stem 11 is in the position of described rocking bar 13.
The adjacent hollow stem 11 can be threaded connection.
The hollow stem 11, probe 6 and pile crown 1 are made of stainless steel.The piston plate 17 is made up of rubber.
Institute's expansion link 10 is in removably to be connected with probe 6, probe 6 and pile crown 1.
Institute's expansion link 10 is connected with probe 6, probe 6 and pile crown 1 by helicitic texture.
When use device determines soil moisture content, air exhaust rod 16 is pushed into the lowermost end of cavity 15, rotating rocker 13 makes survey
The enclosed area of test tube 7 with probe stage casing overlaps, formation confined space.It is long according to institute's depth measurement degree adjustment bar of expansion link 10, using quiet
Platen press is disposably inserted into institute's depth measurement degree；Again rotating rocker 13, make the test section in testing tube 7 overlap with 6 stage casings of probe, so
Air exhaust rod 16 is slowly pulled afterwards, makes piston plate 17 reach top；A period of time is stood, rocking bar 13 is unclamped, the enclosed area of testing tube 7 is made
Overlaps the confined space that formed again with 6 stage casings of probe；Device is proposed and dismantled, test paper 9 is taken out；Surveyed with colorimetric card and Jing
Test paper 9 after examination is contrasted, it is determined that correspondence moisture content；Adjusting rod section, changes the length of expansion link 10, and repeat the above steps are surveyed
The soil moisture content of amount different depth, can finally respectively obtain each depth moisture content ω1、ω2、…ωn。
Embodiment described above is only to absolutely prove the preferred embodiment 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 (9)
1. the portable survey soil moisture content device of a kind of test paper type, it is characterised in that：Including the expansion link (10) being sequentially connected, visit
Head (6) and pile crown (1), described expansion link (10), probe inner hollow and described pile crown constitute work chamber, described work
Make chamber to close into airtight, described expansion link (10) end is provided with air extractor；
Described air extractor is including the airtight cavity (15) for closing, through the air exhaust rod (16) and piston plate of cavity upper surface
(17), the air exhaust rod (16) is fixedly connected with piston plate (17), and the piston plate (17) is tight with described cavity (15) inwall
Close fit；
One end that described expansion link (10) is connected with probe (6) is provided with retractor device, and described retractor device is mutual by before and after
Some grades of hollow stems (11) composition of socket, gas airtight connection between described hollow stem (11)；
Described probe (6) is followed successively by from top to bottom epimere, stage casing, and the part of hypomere three, described middle segment length is no longer than hypomere
Length, described lower segment length are no longer than the length of described epimere, and described stage casing offers vertical bar shape instrument connection (3) in grid
Bar is arranged, and fence (4) inwall between adjacent instrument connection is provided with guide rail (5)；Described guide rail (5) described epimere,
Hypomere is all respectively equipped with guide rail extension, and, built with testing tube (7), described testing tube (7) is by testing tube for described probe (6)
Outer tube composition nested with testing tube inner core, described testing tube (7) outer tube is provided with raised line (8), the raised line (8) with it is described
Guide rail (5) is engaged and can slide up and down；Described testing tube (7) outer tube is divided into from top to bottom closed section and detection section, described
Hollow out design between the adjacent raised line (8) of detection section, the length of described detection section matches with the length in described stage casing, institute
The length of of length no more than described closed section of the detection section stated, can lay between the testing tube outer tube and testing tube inner core
Test paper (9)；
Hoisting mechanism is installed, described hoisting mechanism one end is movably connected and stretched in described in described work chamber
On bar (10), the other end is fixed on described testing tube (7)；Described testing tube (7) passes through away from one end of hoisting mechanism
Back-moving spring (2) is connected with described probe (6).
2. the portable survey soil moisture content device of test paper type according to claim 1, it is characterised in that：Described hoisting mechanism
One end is fixed on the position on the expansion link (10) between air extractor and retractor device, and the hoisting mechanism includes installation axle
(12), roller (14) is constituted with the rocking bar (13) for being fixed on drawstring on roller (14) and be fixedly connected with roller, described installation axle (12)
It is fixed on described expansion link (10), described rocking bar (13) is arranged on described expansion link (10) outer wall.
3. the portable survey soil moisture content device of test paper type according to claim 1, it is characterised in that：The test paper (9)
Setting height(from bottom) detects the height of section more than testing tube (7) outer tube.
4. the portable survey soil moisture content device of test paper type according to claim 1, it is characterised in that：The test paper (9)
Setting height(from bottom) is contour with described testing tube (7).
5. the portable survey soil moisture content device of test paper type according to claim 2, it is characterised in that：The hollow stem (11)
Length limited in the position of described rocking bar (13).
6. the portable survey soil moisture content device of test paper type according to claim 1, it is characterised in that：Adjacent hollow stem can
It is threaded connection.
7. the portable survey soil moisture content device of test paper type according to claim 1, it is characterised in that：The piston plate (17)
It is made up of rubber.
8. the portable survey soil moisture content device of test paper type according to claim 1, it is characterised in that：Institute's expansion link (10) with
In dismountable connection between probe (6), probe (6) and pile crown (1).
9. the portable survey soil moisture content device of test paper type according to claim 8, it is characterised in that：Institute's expansion link (10) with
Connected by helicitic texture between probe (6), probe (6) and pile crown (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059939.9A CN106645131B (en) | 2017-01-24 | 2017-01-24 | Test paper type portable soil moisture content measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059939.9A CN106645131B (en) | 2017-01-24 | 2017-01-24 | Test paper type portable soil moisture content measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106645131A true CN106645131A (en) | 2017-05-10 |
| CN106645131B CN106645131B (en) | 2023-09-05 |
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ID=58841561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710059939.9A Active CN106645131B (en) | 2017-01-24 | 2017-01-24 | Test paper type portable soil moisture content measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106645131B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618128A (en) * | 2019-10-15 | 2019-12-27 | 河海大学 | Test bar for rapidly testing concentration of chloride ions in concrete and preparation method and application thereof |
| CN111089640A (en) * | 2019-12-31 | 2020-05-01 | 青岛大学附属医院 | Measuring scale capable of measuring water content accurately and immediately |
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| CN105388150A (en) * | 2015-10-29 | 2016-03-09 | 大连理工大学 | Oxytetracycline test paper based on chromatic aberration comparison, using method and making method |
| US20160123867A1 (en) * | 2013-06-06 | 2016-05-05 | Cabinotier Co., Ltd. | Soil moisture indicator |
| CN105784704A (en) * | 2016-03-11 | 2016-07-20 | 国家电网公司 | Portable color display device for flue gas humidity |
| CN105971041A (en) * | 2015-08-17 | 2016-09-28 | 洛阳九鼎电子科技有限公司 | Improved Luoyang shovel |
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| US4655076A (en) * | 1984-01-23 | 1987-04-07 | Raychem Corporation | Moisture measuring apparatus |
| JP2004151082A (en) * | 2002-08-05 | 2004-05-27 | Sousei Denshi:Kk | Mobile specimen analyzing apparatus and mobile urine analyzing apparatus |
| CN201010893Y (en) * | 2007-03-09 | 2008-01-23 | 天津大学水运水利勘察设计研究所 | Portable in-situ soil body sampler used for ultra-soft soil base |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618128A (en) * | 2019-10-15 | 2019-12-27 | 河海大学 | Test bar for rapidly testing concentration of chloride ions in concrete and preparation method and application thereof |
| CN110618128B (en) * | 2019-10-15 | 2021-11-09 | 河海大学 | Test bar for rapidly testing concentration of chloride ions in concrete and preparation method and application thereof |
| CN111089640A (en) * | 2019-12-31 | 2020-05-01 | 青岛大学附属医院 | Measuring scale capable of measuring water content accurately and immediately |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106645131B (en) | 2023-09-05 |
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