CN108318536A - Intelligent online analyzer is popped one's head in - Google Patents
Intelligent online analyzer is popped one's head in Download PDFInfo
- Publication number
- CN108318536A CN108318536A CN201810108580.4A CN201810108580A CN108318536A CN 108318536 A CN108318536 A CN 108318536A CN 201810108580 A CN201810108580 A CN 201810108580A CN 108318536 A CN108318536 A CN 108318536A
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- China
- Prior art keywords
- probe
- wiring board
- intelligent
- intelligent storage
- twelve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000523 sample Substances 0.000 claims abstract description 132
- 210000004907 gland Anatomy 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 5
- -1 temperature element Substances 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000012824 chemical production Methods 0.000 abstract 1
- 239000007769 metal material Substances 0.000 abstract 1
- 230000000153 supplemental effect Effects 0.000 abstract 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- 230000010287 polarization Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/045—Circuits
- G01N27/046—Circuits provided with temperature compensation
-
- 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
- G01N27/028—Circuits therefor
-
- 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
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
-
- 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
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
- G01N27/07—Construction of measuring vessels; Electrodes therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
A kind of intelligent online analyzer probe, is related to a kind of conductivity probe, is mainly made of probe, probe, temperature element, probe socket and intelligent storage wiring board；Probe is fixed across probe rod, and by being contacted with measured medium to waist type to perforating on probe rod, temperature element is mounted on the temperature of close front end measurement medium in probe, and the intelligent storage wiring board for storing parameter is mounted in probe gland；Probe is connected with measuring instrumentss using twelve-core shielded cable, and instrument is completed after the power is turned on when probe is connect with instrument, and instrument reads the supplemental characteristic in probe intelligent chip automatically, and Auto-matching probe is without manually adjusting meter parameter；Probe is made of Pt metal material, and other devices contacted with measured medium are all made of polytetrafluoroethylene material making；Probe is designed using multiple fluid proof seal.Intelligent online analyzer of the present invention probe is safe and reliable, intelligence, strong acid-base resistance medium, service life are long, is suitble in the use of the particular surroundings such as chemical production field strong acid alkaline media.
Description
Technical field
The present invention relates to on-line measurements, are related specifically to strong acid, highly basic medium on-line analysis.
Background technology
Currently, pass through the moisture of conductivity measurement medium or the concentration of medium in Chemical Manufacture and sewage treatment industry
It is used widely, greatly facilitates demand of the people to product quality control and environmental pollution discharge.
Principle by the concentration of the moisture or medium of conductivity measurement medium is the concentration and conductance using medium
There are the principles of certain correspondence for rate, and the tables of data of the concentration of the conductivity and medium that are measured medium is inputted in instrument
Lattice, then instrument measurement go out the conductivity of measured medium, the concentration value of medium is converted to by way of tabling look-up in instrument.
It is that PVC plastic, electrode use platinum black, use that traditional conductivity meter probe, which generally use bipolar electrode structure, material,
It is threadedly coupled.There are measurements caused by electrode polarization to be not allowed, cannot be used for strong corrosive medium, fragile, probe on-line measurement is resistance to
The defects of need to being manually entered electrode parameter when forcing down and replace probe.
Invention content
The present invention be to provide for a kind of high pressure, it is safe and reliable, be hardly damaged, be intelligent, service life is long, eliminates electrode
Polarization improves the medium on-line measurement probe of being able to bear strong corrosion of measurement accuracy, is not required to be manually entered electrode parameter when replacing probe, fit
It closes and is used in the special industries such as Chemical Manufacture and sewage treatment industry.
A kind of intelligent online analyzer probe of the present invention, mainly by probe（14）, probe（11）, temperature element（12）、
Probe fixed seat（9）, intelligent storage wiring board (3), the lower sealing of probe（13）, seal cap on probe（7）, flange gasket
（10）, sealing gland on probe（6）, sealed screw fixed plate（5）, threading connect cylinder（2）And twelve-core shielded wire（1）Composition.
Wherein, probe（14）It is sealed under probe（13）Form tight fit sealing；Lower sealing（13）Penetrating probe from the bottom up（11）
In four through-holes formed ladder tight fit sealing；Probe (14) lead passes through seal cap (7) on probe, is then passed through close on probe
Sealed cover（6）With sealed screw fixed plate（5）；Probe（11）Across probe fixed seat（9）Through-hole, then cover pressure cap（4）,
Four fixed screws are passed through into pressure cap（4）Screw hole is screwed to probe fixed seat（9）, will pop one's head in（11）It is pressed to probe fixed seat
（9）Upper formation compresses sealing；Hexagon socket head cap screw is screwed into sealed screw fixed plate again（5）, tighten sealed screw fixed plate（5）On
Screw seal cap on probe (7) is pressed on probe（11）It is formed and compresses sealing；Probe (11) is inserted into probe fixed seat（9）Peace
Dress, then put on gasket seal（10）, there are labyrinth type concave surface, gasket seal in the rear end of probe（10）On have labyrinth type convex surface, will be close
Gasket（10）The concave surface of convex surface indentation probe (11) forms labyrinth seal；Probe（14）It is inserted into probe locking cap（15）, fixed
Cap（15）With probe（11）It is fixed using pin, probe（14）By 3 pairs of waist types on probe rod to perforation formed channel with
Measured medium contacts；Probe（14）Lead is welded on intelligent storage wiring board (3), temperature element（12）It is inserted into probe（11）In
In heart blind hole, temperature element（12）Lead be welded on intelligent storage wiring board (3)；Intelligent storage wiring board (3) is mounted on
Thread connect cylinder（2）It is interior；Twelve-core shielded wire（1）One end be welded on intelligent storage wiring board (3), twelve-core shielded wire
（1）The other end be connected with measuring instrumentss using 12 core connectors.
In above-mentioned invention, 4 probes are utilized（14）4 electrodes of composition contact measured medium, and 1 pair of electrode is for connecting
Square wave drive voltage signal is connect, another 1 pair of electrode can effectively eliminate bipolar electrode structure due to electrode polarization for detecting signal voltage
Measurement error caused by phenomenon improves measurement accuracy；Using temperature element（12）Variation for the temperature for measuring medium in real time,
Temperature-compensating is carried out to measured value in time, the influence of temperature change is eliminated, further increases measurement accuracy.4 probes（14）It adopts
With metal platinum Pt, other probes（11）, flange seal gasket（10）, probe locking cap（15）, seal under probe（13）Deng with
The component of media contact is all made of polytetrafluoroethylene material, is particularly well suited for use in the media environment of strong corrosive.Using more
Weight fluid proof seal processing, probe use flanged joint, there is the measurement occasion of certain pressure suitable for medium.Using intelligence
Design embeds the related parameter that has that storage chip stores probe by probe, and instrument reads parameter automatically when replacing probe, sets intelligence
Energyization.
The beneficial effects of the invention are as follows：Utilize 4 probes（14）4 electrodes of composition contact measured medium, can be effective
Bipolar electrode structure is eliminated due to measurement error caused by electrode polarization phenomenon, improves measurement accuracy；Using temperature element（12）And
When to measured value carry out temperature-compensating, eliminate the influence of temperature change.The intelligent online analyzer probe of the present invention is safer can
It leans on, the service life is longer, using intelligence, is more suitable for that particular surroundings use strong corrosive medium, medium be with pressure etc..
Description of the drawings
The structure chart of the intelligent online analyzer probe of 1 present invention of attached drawing.
The circuit diagram of the intelligent online analyzer probe of 2 present invention of attached drawing.
The upper seal cap structure chart of the probe of attached drawing 3.
In figure：1. twelve-core shielded wire, 2. threading connect cylinders, 3. intelligent storage wiring boards, 4. pressure caps, 5. sealings
Screw fixing plates, the upper sealing gland of 6. probes, the upper seal cap of 7. probes, 8. probe flanges, 9. probe 10. flanges of fixed seat
Gasket, 11. probes, 12. temperature elements, the lower sealing of 13. probes, 14. probes, 15. probe locking caps.
Specific implementation mode
In the embodiment of 1 Fig. 1 of embodiment, probe（14）It is sealed under probe（13）Interference fit is formed, close-fitting is formed
Close sealing；Lower sealing（13）Penetrating probe from the bottom up（11）In four through-holes cascaded surface, four through-hole internal diameters are close under
Envelope（13）Outer diameter tolerance be assembly interference, formed ladder tight fit sealing；Probe (14) lead passes through seal cap on probe
(7), it is then passed through sealing gland on probe（6）With sealed screw fixed plate（5）；Probe（11）Across probe fixed seat（9）It is logical
Then hole covers pressure cap（4）, four fixed screws are passed through into pressure cap（4）Screw hole is screwed to probe fixed seat（9）, will pop one's head in
（11）It is pressed to probe fixed seat（9）Upper formation compresses sealing；Hexagon socket head cap screw is screwed into sealed screw fixed plate again（5）, twist
Tightening seal screw fixing plates（5）On screw by sealing gland on probe（6）It presses down, seal cap on probe (7) is pressed on
Probe（11）4 through-holes on formed compress sealing；Probe (11) is inserted into probe fixed seat（9）Installation, then put on gasket seal
（10）, there are labyrinth type concave surface, gasket seal in the rear end of probe（10）On have labyrinth type convex surface, by gasket seal（10）Convex surface is pressed into
The concave surface of probe (11) forms labyrinth seal；Probe（14）It is inserted into probe locking cap（15）, locking cap（15）With probe（11）It adopts
It is fixed with pin, probe（14）The channel formed to perforation by 3 pairs of waist types on probe rod is contacted with measured medium；Probe
（14）Lead is welded on intelligent storage wiring board (3), temperature element（12）It is inserted into probe（11）Bottom is used in central blind hole
Measure the actual temperature of medium, temperature element（12）Lead be welded on intelligent storage wiring board (3)；Intelligent storage wiring board
(3) it is mounted on threading connect cylinder（2）It is interior；Twelve-core shielded wire（1）One be welded on intelligent storage wiring board (3), 12
Core shielded wire（1）Other end be connected with measuring instrumentss.Four probes（14）Separately constitute A, B, C, tetra- electrodes of D.
It is used in the present embodiment, seal cap on probe（7）, flange gasket（10）, probe（11）, the lower sealing of probe
（13）, probe locking cap（15）It is made of the polytetrafluoroethylene material of strong alkali-acid resistance；Thread connect cylinder（2）, pressure cap（4）, it is close
Seal screw fixing plates（5）, sealing gland on probe（6）, probe fixed seat（9）, probe flange（8）It is processed using 304 stainless steels
It makes；Probe（14）Using platinum Pt materials.
In the embodiment of embodiment 2 Fig. 2 and Fig. 3, chip U1 is eeprom memory, model M24C01BN6,
DIP8 packaged types；R1 and R2 is the 10k Ω resistance of 1/8W；Temperature element（12）Using PT100 temperature detecting resistances；U1 power supply power supplies
8 feet are held to connect power positive end, 7 foot WC connect constant Read-write Catrols of the R1 for instrument to U1, and 6 foot SCL are serial clock, and 5 foot SDA are
Serial data and/or addresses are connected by resistance R2 with power positive end, and 1/2/3/4 foot connects power supply ground terminal.Intelligent storage wiring board uses
The one-sided epoxy circuit board making of 2800milx 850mil sizes.Contact conductor is welded to after putting on the pyrocondensation pipe insulation of φ 1mm
Intelligent storage wiring board.Temperature element（12）Three leads be welded to intelligent storage wiring board.Twelve-core shielded wire connects
It is basically the same as those in the first embodiment, repeats no more.
Claims (3)
1. a kind of intelligent online analyzer probe, it is characterized in that probe is mainly by probe（14）, probe（11）, temperature element
（12）, probe fixed seat（9）, intelligent storage wiring board (3) and twelve-core shielded wire（1）Composition, wherein probe（14）It passes through
It is sealed under probe（13）Form tight fit sealing；Lower sealing（13）Penetrating probe from the bottom up（11）In four through-holes formed rank
Terraced tight fit sealing；Probe (14) lead passes through seal cap (7) on probe, is then passed through sealing gland on probe（6）With sealing spiral shell
Silk fixed plate（5）；Probe (11) is inserted into probe fixed seat（9）Installation, then put on gasket seal（10）, there is labyrinth in the rear end of probe
Formula concave surface, gasket seal（10）On have labyrinth type convex surface, by gasket seal（10）The concave surface composition fan of convex surface indentation probe (11)
Palace seals；Probe（14）It is inserted into probe locking cap（15）, locking cap（15）With probe（11）It is fixed using pin, probe（14）It is logical
The channel that the 3 pairs of waist types crossed on probe rod form perforation is contacted with measured medium；Probe（14）Lead is welded on intelligent storage
On wiring board (3), temperature element（12）It is inserted into probe（11）In central blind hole, temperature element（12）Lead be welded on intelligence deposit
It stores up on wiring board (3)；Intelligent storage wiring board (3) is mounted on threading connect cylinder（2）It is interior；Twelve-core shielded wire（1）One end weldering
It is connected on intelligent storage wiring board (3), twelve-core shielded wire（1）The other end be connected with measuring instrumentss.
2. a kind of intelligent online analyzer probe according to claim 1, it is characterized in that probe（2）By four electrode structures
At.
3. a kind of intelligent online analyzer probe according to claim 1, it is characterized in that intelligent storage wiring board (3) is installed
In mounted on threading connect cylinder（2）It is interior, pass through twelve-core shielded wire（1）It is connected with secondary meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810108580.4A CN108318536B (en) | 2018-02-02 | 2018-02-02 | Intelligent on-line analyzer probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810108580.4A CN108318536B (en) | 2018-02-02 | 2018-02-02 | Intelligent on-line analyzer probe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108318536A true CN108318536A (en) | 2018-07-24 |
| CN108318536B CN108318536B (en) | 2020-03-31 |
Family
ID=62903219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810108580.4A Active CN108318536B (en) | 2018-02-02 | 2018-02-02 | Intelligent on-line analyzer probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108318536B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200972465Y (en) * | 2006-11-16 | 2007-11-07 | 中国科学院南京土壤研究所 | Four-electrode soil salt investigating sensor |
| CN101828107A (en) * | 2007-10-19 | 2010-09-08 | 哈赫公司 | Multiple-electrode ionic probe |
| CN102590286A (en) * | 2012-02-28 | 2012-07-18 | 吉林大学 | Four-electrode testing device and measuring method for water content of tobacco |
| CN104459332A (en) * | 2013-09-12 | 2015-03-25 | 恩德莱斯和豪瑟尔测量及调节技术分析仪表两合公司 | Method for contacting at least two metal electrodes and arrangement |
| WO2015091452A1 (en) * | 2013-12-20 | 2015-06-25 | Areva | Probe for measuring conductivity at high pressure and high temperature |
| CN205138650U (en) * | 2015-11-19 | 2016-04-06 | 浙江维思无线网络技术有限公司 | Integration wireless cable temperature sensor |
-
2018
- 2018-02-02 CN CN201810108580.4A patent/CN108318536B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200972465Y (en) * | 2006-11-16 | 2007-11-07 | 中国科学院南京土壤研究所 | Four-electrode soil salt investigating sensor |
| CN101828107A (en) * | 2007-10-19 | 2010-09-08 | 哈赫公司 | Multiple-electrode ionic probe |
| CN102590286A (en) * | 2012-02-28 | 2012-07-18 | 吉林大学 | Four-electrode testing device and measuring method for water content of tobacco |
| CN104459332A (en) * | 2013-09-12 | 2015-03-25 | 恩德莱斯和豪瑟尔测量及调节技术分析仪表两合公司 | Method for contacting at least two metal electrodes and arrangement |
| WO2015091452A1 (en) * | 2013-12-20 | 2015-06-25 | Areva | Probe for measuring conductivity at high pressure and high temperature |
| CN205138650U (en) * | 2015-11-19 | 2016-04-06 | 浙江维思无线网络技术有限公司 | Integration wireless cable temperature sensor |
Non-Patent Citations (1)
| Title |
|---|
| 李学胜 等: "一种四电极电导率传感器的研制", 《传感器与微系统》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108318536B (en) | 2020-03-31 |
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Effective date of registration: 20231211 Address after: No. 12-1, Building 8, No. 2 Tianxing Road, Yangjiaping, Jiulongpo District, Chongqing, 400000 Patentee after: Chongqing McKayway Environmental Protection Technology Co.,Ltd. Address before: 324000, Room 602, Unit 2, Building 4, Yuandingxin Village, Hehua Fourth Road, Kecheng District, Quzhou City, Zhejiang Province Patentee before: Zhang Lihong |