CN108226229A - A kind of water quality detection sensor self-cleaning device - Google Patents
A kind of water quality detection sensor self-cleaning device Download PDFInfo
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- CN108226229A CN108226229A CN201810093828.4A CN201810093828A CN108226229A CN 108226229 A CN108226229 A CN 108226229A CN 201810093828 A CN201810093828 A CN 201810093828A CN 108226229 A CN108226229 A CN 108226229A
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- cleaning device
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- detection sensor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000004140 cleaning Methods 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 230000010365 information processing Effects 0.000 claims description 8
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 28
- 239000012535 impurity Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 239000003337 fertilizer Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Electrochemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The present invention relates to a kind of water quality detection sensor self-cleaning device, including water inlet, throttle valve, strong magnetic cavity body, diversion pipe, PH and EC sensors sensing chamber.The present invention is reasonable in design, and using effect protrudes, and is extremely simplified in structure, and fully applicating fluid characteristic and mechanical form, make sensor in the detection process contacted with liquid, safely cleaning, and no dirt is lossless；Add the removing scale by strong magnetic field device to liquid, enhance self-cleaning effect, remove or smash bulky grain hydrone, by the larger hydrone in liquid with its entrained by large granular impurity separate and handle, sensor is made to obtain good working environment, its performance and used life is promoted, accuracy of detection is finally ensured, extends service life, reduce use cost.
Description
Technical field
The invention belongs to liquid detecting instrument equipment technical fields, and in particular to a kind of self-cleaning dress of water quality detection sensor
It puts.
Background technology
Too busy to get away computer, intelligence also be unable to do without sensor to modernization development.In modern agriculture field, it is desirable to reach
Precision Irrigation water, Tree Precise Fertilization, it is necessary to use corresponding sensor；In order to environmentally protective, energy-saving, it is necessary to using corresponding
Sensor；Soil property is analyzed, gives Rational Irrigation and appropriate fertilising at times for crop demand, it is necessary to using corresponding
Sensor.The use of sensor is actually " accurate " in order to solve the problems, such as agricultural modernization, however this must first solve to pass
The measuring accuracy problem of sensor, next is only the stability and reliability of processor.
At present, it is most commonly used to be temperature sensor, optical sensor, acid-base value PH sensor and reflect containing fertilizer amount
Conductivity EC sensors.Wherein, acid-base value PH sensor and conductivity EC sensor applications are most, also mostly important.In water
During fertilizer is irrigated, it is necessary to ensure pH value within the scope of plant demand, while to ensure plant growth different periods containing fertilizer amount.
This is required for the respective sensor with excellent electrical properties, and the technical performance of only sensor is guaranteed, and can just make measurement smart
Accurate, control is normally.And the guarantee of the technical indicator of excellent performance sensor, need correctly maintenance, careful maintenance.
The electrode of acid-base value PH sensor and conductivity EC sensors is before installing and using, it is necessary to the school of corrected liquid
Just, the electrode after corrected debugging, must be put into buffer solution after use, keep the moistening of devitrified glass electrode and clear
It is clean, although can guarantee the technical performance at electrode initial stage in this way, over time or drift can be generated, precision drops significantly
Low, service life greatly shortens.And the main reason for leading to the problem of these is to safeguard ineffective, the fouling of electrode meeting over time.
PH detecting electrodes are made of special, very thin glass, are easily damaged due to impurity is hit, not only frangible,
It is more easy to influence its precision due to the attachment of other attachments or even fail due to attachment is too many.EC electrodes be have two it is rare
Metal is made, although there is certain corrosion resistance, in the liquid of complicated component, the similary shadow of attachment on motor
Ring its measuring accuracy and service life.
It does not solve the above problems, certainly will influence to produce, influence observing and controlling or even cause the failure of entire project.
Invention content
The present invention provides a kind of water quality detection self-cleaning device regarding to the issue above, long its object is to solve PH, EC electrode
Phase work easily adheres to the situation of object in a liquid, realizes the attachment of thorough blocking electrode attachment, and in liquid
Impurity carry out clean processing, prevent from damaging due to impurity is hit, it is ensured that the works fine environment of sensor senses so as to be promoted
The precision of device extends its service life.
Technical scheme of the present invention：
A kind of water quality detection sensor self-cleaning device, it is characterised in that：Including water inlet, throttle valve, strong magnetic cavity body, diversion pipe,
PH and EC sensors sensing chamber, the water inlet are threeway, connect main pipeline and throttle valve respectively, and the throttle valve connects strong magnetic
Cavity, the strong magnetic cavity body is equipped with cavity, and strong magnet ring is correspondingly provided with above and below cavity inner wall, and strong magnetic cavity body connects diversion pipe,
Diversion pipe connection PH and EC sensors sensing chamber, is equipped with diversion trench in diversion pipe, recessed downward for arc of the diversion trench
Slot, PH the and EC sensors sensing chamber internal structure are oval cavity, and upper end connects PH sensor and EC sensors respectively,
Bottom end is equipped with water outlet, and the PH sensor and EC sensors are all connected with single-chip machine information processing module.
The throttle valve is needle-like throttle valve.
The strong magnetic cavity body is tubular cylinder.
The strong magnet ring is cyclic annular magnetite.
The circular arc reducing of the diversion trench becomes larger.
The water outlet connects main pipeline.
Beneficial effects of the present invention：
The present invention is reasonable in design, and using effect protrudes, and is extremely simplified in structure, fully applicating fluid characteristic and mechanical shape
State makes sensor in the detection process contacted with liquid, safely cleaning, and no dirt is lossless；Add the removing scale by strong magnetic field dress to liquid
It puts, enhances self-cleaning effect, remove or smash bulky grain hydrone, by big entrained by the larger hydrone in liquid and its
Grain impurity is separated and is handled, and sensor is made to obtain good working environment, promotes its performance and used life, finally ensures inspection
It surveys precision, extend service life, reduce use cost.
Description of the drawings
Fig. 1 is attachment structure schematic diagram of the present invention.
Fig. 2 is water inlet structure schematic diagram.
Fig. 3 is throttle-valve structure schematic diagram.
Fig. 4 is strong magnetic cavity body structure diagram.
Fig. 5 is draft tube structure schematic diagram.
Fig. 6 is PH and EC sensors sensing chamber structure diagram.
Fig. 7 is single-chip machine information processing module schematic diagram.
In figure：1. 2. throttle valve the last 3. magnetic cavity body of water inlet, 4. diversion pipe 5.PH and EC sensor sensing chamber 6.PH sensors
8. water outlet the last 9. magnet ring of 7.EC sensors, 10. diversion trench.
Specific embodiment
A kind of water quality detection sensor self-cleaning device provided by the invention, including sequentially connected water inlet 1, throttle valve 2,
Strong magnetic cavity body 3, diversion pipe 4, PH and EC sensors sensing chamber 5, water inlet 1 are threeway, connect main pipeline and throttle valve 2 respectively,
Throttle valve 2 connects strong magnetic cavity body 3, and strong magnetic cavity body 3 is equipped with cavity, and strong magnet ring 9, strong magnetic cavity are correspondingly provided with above and below cavity inner wall
Body 3 connects diversion pipe 4, and diversion trench 10 is equipped in diversion pipe 4, and diversion pipe 4 connects PH and EC sensors sensing chamber 5, diversion trench 10
The groove downward for arc, 5 internal structure of PH and EC sensors sensing chamber are oval cavity, and upper end connects PH sensor respectively
6 and EC sensors 7, bottom end are equipped with water outlet 8, and PH sensor 6 and EC sensors 7 are all connected with single-chip machine information processing module, save
Stream valve 2 is needle-like throttle valve, and strong magnetic cavity body 3 is tubular cylinder, and strong magnet ring 9 is cyclic annular magnetite, the circular arc reducing of diversion trench 10 by
Gradual change is big, and water outlet 8 connects main pipeline.
The course of work is as follows：
Liquid, by water inlet 1, throttle valve 2, strong magnetic cavity body 3, diversion pipe 4, flows into the detection of PH and EC sensors from major loop
Room 5, the water outlet 8 of final 5 bottom end of PH and EC sensors sensing chamber are discharged, are sealed between all parts with helicitic texture
Washer is connected and sealed；Liquid flows in PH and EC sensors sensing chamber 5 along oval cavity, and anti-from multiple directions
7 electrode of PH sensor 6 and EC sensors is rinsed again, takes away sediment, convolution and disturbance in PH and EC sensors sensing chamber 5
Liquid is pushed by the extruding of its own, in addition main pipeline negative pressure caused by the water outlet 8 influences, the liquid after detection process is most
Main pipeline is exited by water outlet 8 eventually.
Water inlet 1 is threeway, connects main pipeline and throttle valve 2 respectively, is shunted convenient for sampling.
Throttle valve 2 is needle-like throttle valve, can be throttled according to actually detected requirement.
Throttle valve 2 connects strong magnetic cavity body 3, and strong magnetic cavity body 3 is tube column, corresponding equipped with cavity, and above and below cavity inner wall
Equipped with strong magnet ring 9, the liquid of rotational flow is through too strong magnetic cavity body 3, by the shadow for corresponding to the strong magnetic line of force that strong magnet ring 9 generates up and down
It rings, the bulky grain band dirt hydrone in water is crashed to pieces, and becomes the hydrone of fine particle so that the micronic dust of carrying comes off.
Strong magnetic cavity body 3 connects diversion pipe 4, and diversion trench 10 is equipped in diversion pipe 4, and diversion trench 10 is the downward groove of arc,
The circular arc reducing of diversion trench 10 becomes larger, and diversion trench 10 makes liquid rotate flowing, under the action of diversion trench 10, liquid
Ceaselessly change direction, it is quick to flow, sample electrodes is made to be washed away by the multi-faceted of working fluid, the multi-faceted effect washed away has
Two：First, the impurity in liquid can not stop attachment on the electrode, because of the incrustation without caused by；Second is that the flowing of liquid, will adopt
Sample electrode surface minimal residue object is washed away, comes off, is taken away, and has been purified electrode, has been improved measurement precision.
Diversion pipe 4 connects PH and EC sensors sensing chamber 5, and 5 internal structure of PH and EC sensors sensing chamber is oval chamber
Body, upper end connect PH sensor 6 and EC sensors 7 respectively, and connection water outlet 8 in bottom end has formed the water of small molecule and taken off
Backward dust and dirt therefrom acquires liquid in rotation by the electrode surface in PH and EC sensors sensing chamber 5, detecting electrode
Data, and this data feeding single-chip machine information processing module is analyzed and determined and handled, single-chip machine information processing module connects
The fluid information that sensing electrode acquisition comes is received, is arranged, amplified, and carry out analog-to-digital conversion, analysis is transmitted and compares, after comparing
Result be sent into display system all the way and show, another way sends out execution circuit work and the instruction stopped, until reaching requirement,
The measurement to liquid technology index and control working fluid are completed under the action of pressure difference, band impurity is wrapped up in and continues to flow, pass through
Water outlet 8, import main pipeline simultaneously enter irrigation conduit, complete it is a series of acquisition, accelerate, cleaning, magnetization, detection, it is self-cleaning also
The working procedure of original etc..
After equipment is stopped, the liquid for carrying impurity remains static in cabin is detected, and electrode is immersed in detection cabin
Easy fouling in interior liquid, the cleaning procedure of single-chip machine information processing module startup at this time, makes the liquid in detection cabin around intracavitary
Self-loopa is flowed, meanwhile, water purification is supplemented into cavity, extra water overflow stream enters main pipeline, this process is until next work
After process starts, that is, come to an end.
It is entire survey, the process that control system and sensor are self-cleaning is completed at work, without putting into other power, survey, control,
Clean to accomplish without any letup, the sensors clean of working clearance is then completed by single-chip machine information processing module, has abandoned artificial cleaning completely
The cumbersome labour and possible damage of sensor, alleviate labor intensity, improve work efficiency, save time and expense
With, it is ensured that the precision of equipment.
It is the present invention is intended to provide a kind of using self-cleaning under the liquid detecting environment of PH glass electrodes and EC conductivity electrodes
Device can overcome the easy fouling in use of current PH detecting electrodes, the low disadvantage of accuracy of detection；The present invention solves glass
The problem of glass electrode damages due to impurity is hit；Use cost of the present invention is low, and long lifespan is easy for installation, and it is simple to replace device；This
Invention is equipped with processor of single chip computer, and in addition to the various parameters in automatic measurement water or other liquid, and command execution unit is made
Suitable reaction is outer, while carries out self-cleaning self-test and self-regeneration to sensor itself；The present invention is suitble to various liquid observing and controlling fields
It closes and uses.
Claims (6)
1. a kind of water quality detection sensor self-cleaning device, it is characterised in that：Including water inlet, throttle valve, strong magnetic cavity body, water conservancy diversion
Pipe, PH and EC sensors sensing chamber, the water inlet are threeway, connect main pipeline and throttle valve, the throttle valve connection respectively
Strong magnetic cavity body, the strong magnetic cavity body is equipped with cavity, and strong magnet ring is correspondingly provided with above and below cavity inner wall, and strong magnetic cavity body connects water conservancy diversion
Pipe, the diversion pipe connection PH and EC sensors sensing chamber, diversion pipe is interior to be equipped with diversion trench, and the diversion trench is that arc is downward
Groove, PH the and EC sensors sensing chamber internal structure are oval cavity, and upper end connects PH sensor and EC sensings respectively
Device, bottom end are equipped with water outlet, and the PH sensor and EC sensors are all connected with single-chip machine information processing module.
2. a kind of water quality detection sensor self-cleaning device as described in claim 1, it is characterised in that：The throttle valve is needle-like section
Flow valve.
3. a kind of water quality detection sensor self-cleaning device as described in claim 1, it is characterised in that：The strong magnetic cavity body is tubulose
Cylinder.
4. a kind of water quality detection sensor self-cleaning device as described in claim 1, it is characterised in that：The strong magnet ring is cyclic annular magnetic
Stone.
5. a kind of water quality detection sensor self-cleaning device as described in claim 1, it is characterised in that：The circular arc of the diversion trench becomes
Diameter becomes larger.
6. a kind of water quality detection sensor self-cleaning device as described in claim 1, it is characterised in that：The water outlet connection supervisor
Road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810093828.4A CN108226229A (en) | 2018-01-31 | 2018-01-31 | A kind of water quality detection sensor self-cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810093828.4A CN108226229A (en) | 2018-01-31 | 2018-01-31 | A kind of water quality detection sensor self-cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108226229A true CN108226229A (en) | 2018-06-29 |
Family
ID=62670140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810093828.4A Withdrawn CN108226229A (en) | 2018-01-31 | 2018-01-31 | A kind of water quality detection sensor self-cleaning device |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374850A (en) * | 2018-10-22 | 2019-02-22 | 王子越 | A kind of family life tap water quality detecting device |
| CN114828510A (en) * | 2022-06-21 | 2022-07-29 | 中国海洋大学 | Wave glider control system with distributed layout |
| CN116087292A (en) * | 2022-12-28 | 2023-05-09 | 苏州数言信息技术有限公司 | PH-EC sensor suitable for hydroponic system and testing method thereof |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Jiangsu green port agricultural park, No.1 Buzhang Road, Nancai Township, Sucheng District, Suqian City, Jiangsu Province 223800 Applicant after: JIANGSU GREENPORT MODERN AGRICULTURAL DEVELOPMENT Co.,Ltd. Address before: Jiangsu green port agricultural park, No.1 Buzhang Road, Nancai Township, Sucheng District, Suqian City, Jiangsu Province 223800 Applicant before: JIANGSU GREENPORT MODERN AGRICULTURAL DEVELOPMENT Co.,Ltd. |
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Application publication date: 20180629 |