CN106442010A - Soil solution automatic extraction control device - Google Patents
Soil solution automatic extraction control device Download PDFInfo
- Publication number
- CN106442010A CN106442010A CN201611006148.1A CN201611006148A CN106442010A CN 106442010 A CN106442010 A CN 106442010A CN 201611006148 A CN201611006148 A CN 201611006148A CN 106442010 A CN106442010 A CN 106442010A
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- soil
- control device
- opening
- liquid level
- analog
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a soil solution automatic extraction control device which comprises a vacuum filter (1), a guide tube (2), a loading mechanism (3), a gas tube (4), a suction pump (5), a controller (6), a liquid level detector (7) and an analog-to-digital converter (8), wherein the loading mechanism (3) is provided with a first opening and a second opening; the vacuum filter (1) is connected to the first opening of the loading mechanism (3) through the guide tube (2); the second opening of the loading mechanism (3) is connected to a suction opening of the suction pump (5) through the gas tube (4); the liquid level detector (7) is arranged in the loading mechanism (3); the liquid level detector (7) is connected to the analog-to-digital converter (8); and the analog-to-digital converter (8) and suction pump (5) are respectively connected with the controller (6). By performing the automatic control suction and liquid level detection, the detection functions of the device are added; and the device is automatic, so that the extraction process is more accurate, thereby enhancing the extraction efficiency.
Description
Technical field
The present invention relates to a kind of soil liquid automatically extracts control device, belong to the technical field of Soil K+adsorption equipment.
Background technology
Soil is to be combined by less soil particle to be formed, and its short texture has numerous holes inside soil,
Contain plurality of liquid in these holes, and these liquid play conclusive effect to the growth promoter of plant, therefore, in plantation
Before, the composition containing liquid in soil is identified, be just particularly important.
The soil liquid is normally defined the soil gap water containing solute and dissolved gas, it be soil chemistry reaction and
The place that soil forming process occurs.In the soil liquid, the concentration of each element is to reflect that this element is in that removable ionic state exists
Quantitative index, is typically only dissolved in the soil liquid and is only most active part, and it is susceptible to oxidation, reduction, precipitation, network
Close, the drip washing and process such as be absorbed by plants.Currently, the soil liquid has become the subjects such as soil, plant nutrient, ecological environment
Important research content, can be used for ECOLOGICAL ENVIRONMENTAL MONITORING, the spatial and temporal distributions of soil nutrient, mobility and effectiveness, chemical substance exists
Migration, the agronomy of element leaching loss and Significance for Environment, the aspect research such as the mobility of heavy metal element, biological effectiveness in the soil body.
And the soil liquid is extracted, typically adopt soil liquid extraction element.In prior art, application number：
201620006599.4 the applying date：In the file of 2016-01-04, a kind of open portable three-dimensional paddy soil of this utility model
Solution extraction device, mainly includes stainless steel tube, solution permeability apparatus, solution collecting pipe, stainless steel tube surface distance not
It is respectively provided with void region, stainless steel tube in 14～16 centimetres of the top of rust steel pipe, 24～26 centimetres and 44～46 cm range
The internal position corresponding with void region is respectively embedded into a soil liquid permeability apparatus；The top of soil liquid permeability apparatus
Periphery is wrapped up with two-layer first geotextiles, and lower cone body connects plastic flexible pipe, and the lower end position of plastic flexible pipe is placed
Solution collecting pipe；Stainless steel tube side surface offers a fan-shaped gate, and the outer surface of stainless steel tube is enclosed with one layer of second geotextiles.
This utility model can gather the soil liquid sample of same soil different depth, the actual water of reflection soil liquid nutrient content
Flat, and there is the advantage such as light and handy, simple and practical, with low cost, it can be avoided that the clogging of probe tube.
And in an other application number：201010263340.5 the applying date：In the file of 2010-08-26, disclose one
Plant the earth pillar freeze thawing analog that pot clay end is not easily broken in frozen-thaw process, be related to freeze thawing analog.The present invention solves
In earth pillar freeze thawing simulation process, the problem that pot clay end is susceptible to fracture in frozen-thaw process.Device：Freeze thawing post outer cladding is protected
Adiabator；In freeze thawing post, every layer of soil inserts a soil liquid extraction tube and extends freeze thawing post.Method：In freeze thawing post by
Layer reversely inserts soil, and imbeds a soil liquid extraction tube respectively；Add water and be aged to soil note and be subjected to after stablize
One freezing and thawing cycle；After freezing and thawing cycle terminates, extract each layer soil liquid, and successively extract soil sample.The present invention is applied to and grinds
Study carefully the soil various factors inside state under Freezing-Melting Condition.
Although above-mentioned document makes improvement so as to different soil can be measured exactly to traditional soil liquid extraction element
The composition of earth dissolubility nitrogen and content, but actually its Shortcomings in force, existing device in extraction process it is impossible to
Automatically Level Detection is carried out to the solution taking up in extraction process so that extraction process needs to rely on manually, do not possess automatically
Change function, reduce the practicality of device.
Content of the invention
The technical problem to be solved is to overcome the deficiencies in the prior art, provides a kind of soil liquid automatically to carry
Take control device, solve existing device and automatically liquid is carried out to the solution taking up in extraction process it is impossible in extraction process
Position detection, so that extraction process needs to rely on manually, does not possess automation function, reduces the problem of the practicality of device.
The present invention specifically employs the following technical solutions solution above-mentioned technical problem：
A kind of soil liquid automatically extracts control device, including nutsch filter, mozzle, takes up mechanism, airway, air pump, control
Device processed, liquid level detection gauge, analog-digital converter, wherein take up and arrange the first opening and the second opening in mechanism；Described nutsch filter leads to
Cross mozzle to connect to the first opening taking up mechanism, described the second opening taking up mechanism is connected to air pump by airway
Bleeding point；Described liquid level detection gauge is arranged at and takes up in mechanism, and liquid level detection gauge is connected to analog-digital converter by wire；
Described analog-digital converter, air pump are connected with controller by wire respectively.
Further, as a preferred technical solution of the present invention：The described mechanism that takes up adopts Bottle structure.
Further, as a preferred technical solution of the present invention：Described nutsch filter by the perforated strainer with cavity and
Pipette forms, and described pipette is inserted in the cavity of perforated strainer.
Further, as a preferred technical solution of the present invention：Described perforated strainer adopts telescopic chimney filter.
Further, as a preferred technical solution of the present invention：Described controller adopts single-chip microcomputer.
The present invention adopts technique scheme, can produce following technique effect：
The soil liquid provided by the present invention automatically extracts control device, by improving to existing device, liquid level is examined
Survey meter is arranged at and takes up in mechanism, and liquid level detection gauge is connected to analog-digital converter by wire, is obtained by liquid level detection gauge
Take up in-house liquid level and obtain analogue signal, be converted to input controller after digital signal through analog-digital converter, by controlling
Device directly obtains liquid level, controls air pump to carry out being evacuated work, until liquid level reaches preset height in the process simultaneously
Till.Test technique automatic is combined so that device can be increased by automatically controlling pumping and Level Detection by this process
Detection function, possess automatization so that extraction process is more accurate, improve extraction efficiency, need not rely on and be accomplished manually.Permissible
Solve existing device automatically Level Detection is carried out to the solution taking up in extraction process it is impossible in extraction process so that
Extraction process needs to rely on manually, does not possess automation function, reduces the problem of the practicality of device.
Brief description
Fig. 1 automatically extracts the structural representation of control device for the soil liquid of the present invention.
Wherein Symbol explanation：1- nutsch filter, 2- mozzle, 3- takes up mechanism, 4- airway, 5- air pump, 6- controller,
7- liquid level detection gauge, 8- analog-digital converter, 9- pipette, 10- perforated strainer.
Specific embodiment
With reference to Figure of description, embodiments of the present invention are described.
As shown in figure 1, the present invention devises a kind of soil liquid automatically extracts control device, including nutsch filter 1, mozzle
2nd, take up mechanism 3, airway 4, air pump 5, controller 6, liquid level detection gauge 7, analog-digital converter 8, wherein take up and set in mechanism 3
Put the first opening and the second opening；Described nutsch filter 1 is connected to the first opening taking up mechanism 3 by mozzle 2, described takes up
Second opening of mechanism 3 is connected to the bleeding point of air pump 5 by airway 4；Described liquid level detection gauge 7 is arranged at and takes up mechanism
In 3, and liquid level detection gauge 7 is connected to analog-digital converter 8 by wire；Described analog-digital converter 8, air pump 5 pass through to lead respectively
Line is connected with controller 6.
Its principle is：Operationally, controller 6 controls air pump 5 to be evacuated, and gas is sent into through airway 4 and taken up mechanism 3,
And after the air taking up in mechanism 3 is exhausted, by mozzle 2, the air in nutsch filter 1 is extracted out；After air exhausts, root
According to air pressure, solution is extruded by the soil that nutsch filter 1 is contacted by air pressure, after the liquid of soil sends into mozzle 2, feeding is held
Take up in mounting mechanism 3.Meanwhile, liquid level detection gauge 7 carries out real-time detection to the solution taking up in mechanism 3, by liquid level detection gauge 7
Acquisition takes up in-house liquid level and obtains analogue signal, is converted to input controller 6 after digital signal through analog-digital converter 8,
Liquid level is directly obtained by controller 6, controls air pump 5 to carry out being evacuated work, until liquid level reaches simultaneously in the process
Till preset height.
Further, the described mechanism 3 that takes up adopts Bottle structure.It is easy to the soil liquid using Bottle structure and air divides
From, can be better achieved air extract.
In device, described nutsch filter 1 can be made up of the perforated strainer 10 with cavity and pipette 9, and described pipette 9 is inserted
In the cavity of perforated strainer 8.In use, the perforated strainer 10 with cavity is inserted directly in soil, and pipette 9 can directly connect
Solution in soil, in the presence of air pump 5, is extracted out by tactile soil by pipette 9.
So that device can carry out solution extraction for different depth of soil, perforated strainer 10 described in device is adopted
Use telescopic chimney filter.Using telescopic structure, so that the scale length of perforated strainer 10 is may extend away so that its can reach deeper
In the soil of layer.
And, controller 6 described in device adopts single-chip microcomputer.As AT 89C51 type single-chip microcomputer can be adopted, it is a kind of band
4K byte flashes the low-voltage of programmable and erasable read only memory, high-performance CMOS 8-bit microprocessor.Single-chip microcomputer erasable
Read only memory can be wiped repeatedly repeatedly, possesses more high response speed.Thus, it is possible to be used for well in the present invention.
To sum up, the soil liquid provided by the present invention automatically extracts control device, by test technique automatic combine so that
Can by automatically control pumping and Level Detection, increased the detection function of device, possess automatization so that extraction process more
Plus precisely, improve extraction efficiency, need not rely on and be accomplished manually.Existing device can be solved in extraction process it is impossible to take out
Automatically Level Detection is carried out to the solution taking up during taking so that extraction process needs to rely on manually, do not possess automatization's work(
Can, reduce the problem of the practicality of device.
Above in conjunction with accompanying drawing, embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned enforcement
Mode, in the ken that those of ordinary skill in the art possess, can also be on the premise of without departing from present inventive concept
Make a variety of changes.
Claims (5)
1. a kind of soil liquid automatically extract control device it is characterised in that：Including nutsch filter（1）, mozzle（2）, take up machine
Structure（3）, airway（4）, air pump（5）, controller（6）, liquid level detection gauge（7）, analog-digital converter（8）, wherein take up mechanism
（3）Upper setting the first opening and the second opening；Described nutsch filter（1）By mozzle（2）Connect to taking up mechanism（3）First
Opening, described takes up mechanism（3）The second opening pass through airway（4）Connect to air pump（5）Bleeding point；Described liquid level inspection
Survey meter（7）It is arranged at and take up mechanism（3）Interior, and liquid level detection gauge（7）Analog-digital converter is connected to by wire（8）；Described mould
Number converter（8）, air pump（5）Pass through wire and controller respectively（6）It is connected.
2. according to claim 1 the soil liquid automatically extract control device it is characterised in that：Described take up mechanism（3）Adopt
Use Bottle structure.
3. according to claim 1 the soil liquid automatically extract control device it is characterised in that：Described nutsch filter（1）By carrying
The perforated strainer of cavity（10）And pipette（9）Composition, described pipette（9）Insertion perforated strainer（8）Cavity in.
4. according to claim 3 the soil liquid automatically extract control device it is characterised in that：Described perforated strainer（10）Adopt
Use telescopic chimney filter.
5. according to claim 1 the soil liquid automatically extract control device it is characterised in that：Described controller（6）Using
Single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611006148.1A CN106442010A (en) | 2016-11-16 | 2016-11-16 | Soil solution automatic extraction control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611006148.1A CN106442010A (en) | 2016-11-16 | 2016-11-16 | Soil solution automatic extraction control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106442010A true CN106442010A (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611006148.1A Pending CN106442010A (en) | 2016-11-16 | 2016-11-16 | Soil solution automatic extraction control device |
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| Country | Link |
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| CN (1) | CN106442010A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033929A (en) * | 2020-11-03 | 2020-12-04 | 山东汇金海智慧农业研究院有限公司 | In-situ detection device and detection method for content of water and fertilizer in crop cultivation medium |
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| JP2006030113A (en) * | 2004-07-21 | 2006-02-02 | Nippon Engineer Service | Apparatus for sampling matter inside soil of oil service station |
| CN2809625Y (en) * | 2005-06-24 | 2006-08-23 | 中国科学院地理科学与资源研究所 | Soil moisture collector |
| CN203299032U (en) * | 2013-04-27 | 2013-11-20 | 山东农业大学 | Simple device for collecting soil gas in large field by adopting dynamic balance method |
| CN204214686U (en) * | 2014-11-27 | 2015-03-18 | 贺州学院 | A kind of batch collecting device of soil solution of different soil layer depth |
| CN104614207A (en) * | 2015-02-13 | 2015-05-13 | 中国科学院地理科学与资源研究所 | Active soil gas collecting device and collecting method |
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| CN205374442U (en) * | 2016-02-06 | 2016-07-06 | 中国农业大学 | Soil element on -line measuring device |
| CN105865859A (en) * | 2016-05-29 | 2016-08-17 | 中国科学院寒区旱区环境与工程研究所 | Gas sampling device applicable to soil at different depths in perennially frozen soil zone |
| CN206281680U (en) * | 2016-11-16 | 2017-06-27 | 江苏智石科技有限公司 | A kind of soil liquid automatically extracts control device |
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2016
- 2016-11-16 CN CN201611006148.1A patent/CN106442010A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006030113A (en) * | 2004-07-21 | 2006-02-02 | Nippon Engineer Service | Apparatus for sampling matter inside soil of oil service station |
| CN2809625Y (en) * | 2005-06-24 | 2006-08-23 | 中国科学院地理科学与资源研究所 | Soil moisture collector |
| CN203299032U (en) * | 2013-04-27 | 2013-11-20 | 山东农业大学 | Simple device for collecting soil gas in large field by adopting dynamic balance method |
| CN204214686U (en) * | 2014-11-27 | 2015-03-18 | 贺州学院 | A kind of batch collecting device of soil solution of different soil layer depth |
| CN204373967U (en) * | 2015-02-04 | 2015-06-03 | 扬州大学 | A kind of harvester of different depth soil gas |
| CN104614207A (en) * | 2015-02-13 | 2015-05-13 | 中国科学院地理科学与资源研究所 | Active soil gas collecting device and collecting method |
| CN205157270U (en) * | 2015-10-20 | 2016-04-13 | 北京嘉德宜邦石油科技开发有限公司 | Soil gas collection equipment |
| CN205374442U (en) * | 2016-02-06 | 2016-07-06 | 中国农业大学 | Soil element on -line measuring device |
| CN105865859A (en) * | 2016-05-29 | 2016-08-17 | 中国科学院寒区旱区环境与工程研究所 | Gas sampling device applicable to soil at different depths in perennially frozen soil zone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033929A (en) * | 2020-11-03 | 2020-12-04 | 山东汇金海智慧农业研究院有限公司 | In-situ detection device and detection method for content of water and fertilizer in crop cultivation medium |
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Application publication date: 20170222 |