CN208459320U - A kind of on-line measurement plane conductance electrode - Google Patents
A kind of on-line measurement plane conductance electrode Download PDFInfo
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- CN208459320U CN208459320U CN201821037248.5U CN201821037248U CN208459320U CN 208459320 U CN208459320 U CN 208459320U CN 201821037248 U CN201821037248 U CN 201821037248U CN 208459320 U CN208459320 U CN 208459320U
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Abstract
A kind of on-line measurement plane conductance electrode includes: sealed fixing device, conducting wire, shell, conductivity measuring apparatus, calibration sheath and waterproof sealing, calibration sheath is connect with shell rear and front end, sealed fixing device is connect by calibrating sheath with shell front side, conductivity measuring apparatus on rear side of calibration sheath and shell by connecting, waterproof sealing is set in shell, and conducting wire penetrates through sealed fixing device and conductivity measuring apparatus is welded to connect.Wherein, conductivity measuring apparatus includes: externally inlaid part, external electrode, embedded component, interior electrode and thermistor.The utility model calibrates sheath compared with traditional technology, by installing additional, and plane pole plate structure electrode is avoided to change the shortcomings that influencing vulnerable to environment when calibrating；Temperature fast response can be carried out by temperature-compensating to test result, realize conductivity precise measurement by built-in thermistor；Blasting treatment is carried out by making electrode front end two-plate be in same level, and on the surface of electrode, improves electrode measurement precision.
Description
Technical field
The utility model relates to a conductivity measurement electrodes, and in particular to a kind of on-line measurement plane conductance electricity
Pole.
Background technique
Conductivity is the parameter for describing to flow complexity in substance.The measurement of electrical conductivity of solution needs two aspect letters
Breath, one be solution conductance, the other is the cell constant of conductometric vessel of solution.According to relational expression conductivity=conductance constant × electricity
Lead, pole plate be put into the solution of known conductivity, the both ends of pole plate plus it is certain (in order to avoid solution electrolysis, usually
For sine voltage), then by conductance between measuring pad, it is calculated from the formula cell constant of conductometric vessel.Same procedure is used later
The conductance of unknown solution is measured, and then calculates the conductivity of unknown solution.Under normal circumstances, standard solution generally all uses chlorination
Potassium solution.Because the conductivity of potassium chloride is highly stable at fixed temperature and concentration levels, such as: the chlorine of 0.01mol/L
Changing potassium solution conductivity at 25 DEG C is 1408 μ S/cm.
Conductivity meter electrode is generally divided into two electric pole types and four electric pole type two types.Two electric pole type conductivity electrodes are mesh
The preceding most commonly used conductance electrode type in the country, the structure of electric pole type conductivity meter electrode are that two platinized platinum sintering are parallel two
On sheet glass or on the inner wall of circular glass pipe, the area and distance of platinized platinum are adjusted, so that it may the conductance of different constant values be made
Rate instrument electrode usually has the types such as 0.1,1,10.Four electric pole type conductivity electrodes can be measured to avoid electrode polarization bring and be missed
Difference, measurement range is wide, is generally chiefly used in the measurement of middle high-conductivity solution, in external empirical formula and on-line conductivity
More use.
And the stability that problem maximum at present is exactly plane conductance electrode receives other external influences, therefore how to solve
Certainly external interference, making data is more accurately problem to be solved.
To solve the above-mentioned problems, we are made that a series of improvement.
Utility model content
The purpose of the utility model is to provide a kind of on-line measurement plane conductance electrodes, to overcome prior art institute
Existing disadvantages mentioned above and deficiency.
A kind of on-line measurement plane conductance electrode include: sealed fixing device, conducting wire, shell, conductivity measuring apparatus,
Calibration sheath and waterproof sealing, the calibration sheath are connect with shell rear and front end, and the sealed fixing device passes through calibration shield
Set is connect with shell front side, and by connecting on rear side of calibration sheath and shell, the waterproof sealing is set the conductivity measuring apparatus
In in shell, the conducting wire perforation sealed fixing device and conductivity measuring apparatus are welded to connect；
Wherein, the conductivity measuring apparatus includes: externally inlaid part, external electrode, embedded component, interior electrode and thermistor, institute
It states externally inlaid part and is connect by waterproof sealing with calibration sheath, the external electrode on the inside of waterproof sealing and externally inlaid part by connecting, institute
Embedded component is stated by connecting on the inside of waterproof sealing and external electrode, the interior electrode is connect by waterproof sealing and embedded component inside,
The thermistor is set in interior electrode, the dispatch from foreign news agency extremely hollow cylinder structure, and the interior electrode is solid circle structure.
Further, the sealed fixing device includes: sealing element, gasket, sealing lining ring and O shape, the sealing element with it is close
Lining ring is sealed to be threadedly coupled, the sealing lining ring is threadedly coupled with calibration sheath, and it compresses and connects inside the gasket and sealing element, institute
It states O-ring and sealing lining ring lower end outside is compressed and connected.
Further, threaded tube is equipped in the calibration sheath.
The utility model has the beneficial effects that
The utility model calibrates sheath compared with traditional technology, by installing additional, when plane pole plate structure electrode being avoided to calibrate
Change the shortcomings that influencing vulnerable to environment；Temperature benefit can be carried out to test result to temperature fast response by built-in thermistor
It repays, realizes conductivity precise measurement；Sandblasting is carried out by making electrode front end two-plate be in same level, and on the surface of electrode
Processing, improves electrode measurement precision.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structure chart of sealed fixing device.
Fig. 3 is the structure chart of conductivity measuring apparatus.
Fig. 4 is the monnolithic case figure of the utility model.
Appended drawing reference:
Sealed fixing device 100, sealing element 110, gasket 120, sealing lining ring 130 and O-ring 140.
Conducting wire 200, shell 300, conductivity measuring apparatus 400, conductivity measuring apparatus 400, externally inlaid part 410, external electrode
420, embedded component 430, interior electrode 440 and thermistor 450.
Calibrate sheath 500 and threaded tube 510.
Specific embodiment
Below in conjunction with specific embodiment, progress explanation is made to the utility model.It should be understood that following embodiment is merely to illustrate
The utility model is not for restriction the scope of the utility model.
Embodiment 1
Fig. 1 is the structural schematic diagram of the utility model.Fig. 2 is the structure chart of sealed fixing device.Fig. 3 is conductivity measurement
The structure chart of device.Fig. 4 is the monnolithic case figure of the utility model.
As shown in Figure 1 and Figure 4, a kind of on-line measurement plane conductance electrode includes: sealed fixing device 100, conducting wire
200, shell 300, conductivity measuring apparatus 400, calibration sheath 500 and waterproof sealing, 300 front and back of calibration sheath 500 and shell
Both ends connection, for sealed fixing device 100 by connecting on front side of calibration sheath 500 and shell 300, conductivity measuring apparatus 400 is logical
It crosses on rear side of calibration sheath 500 and shell 300 and connects, waterproof sealing is set in shell 300, and conducting wire 200 penetrates through sealed fixing device
100 are welded to connect with conductivity measuring apparatus 400.
As shown in Figure 3, wherein conductivity measuring apparatus 400 includes: externally inlaid part 410, external electrode 420, embedded component 430, interior
Electrode 440 and thermistor 450, the externally inlaid part 410 are connect by waterproof sealing with calibration sheath 500, and external electrode 420 passes through
It is connected on the inside of waterproof sealing and externally inlaid part 410, embedded component 430 on the inside of waterproof sealing and external electrode 420 by connecting, interior electrode
440 on the inside of waterproof sealing and embedded component 430 by connecting, and thermistor 450 is set in interior electrode 440, and external electrode 420 is hollow
Cylindrical structure, interior electrode 440 are solid circle structure.
As shown in Fig. 2, sealed fixing device 100 includes: sealing element 110, gasket 120, sealing lining ring 130 and O-ring
140, sealing element 110 with sealing lining ring 130 is threadedly coupled, sealing lining ring 130 with calibrate sheath 500 be threadedly coupled, gasket 120 and
Connection is compressed inside sealing element 110, O-ring 140 and sealing 130 lower end outside of lining ring are compressed and connected.
As shown in figure 4, being equipped with threaded tube 510 in calibration sheath 500.
The working principle of the utility model is that sealing element 110, sealing lining ring 130 pass through calibration sheath 500 and shell 300
Between each other using threaded connection.Conducting wire 200 penetrates through gasket 120 and external electrode 420, interior electrode in sealed fixing device 100
440, thermistor 450 welds.Gasket 120, O-ring 140 are silica gel material.When sealing element 110, sealing lining ring 130 and shell
300 when screwing, and compressible gasket 120, O-ring 140 reach waterproof effect.300 nose threads of shell are outer 3/4 Inches Thread pipe
Attachment is fixed convenient for electrode or is installed in road 510.External electrode 420 is hollow cylinder, and interior electrode 440 is solid circle, and material is
The titanic alloy machining part of surface sand-blasting process.Shell 300, externally inlaid part 410, embedded component 430 are the work of resistance to general solution corrosion
Engineering plastics part.After above five successively mutually bond to prevent water seal glue, guarantee that external electrode 420, interior electrode 440 are exposed in water sample
Part formed plane two-plate structure, realize conductivity measurement.It is 1 ± 0.1 that electrode constant, which can be obtained, by calibration, and in the market
Two electric pole type conductance electrodes of mature opposite two-plate structure are consistent, compatible most of common conductivity meter.Surface spray
Sand processing reduces polarized influence when conductance electrode measurement, is conducive to improve accuracy of measurement.Thermistor 450 is built in interior electrode
Among 440, it is close to front end, guarantees the quick response changed to water temperature, temperature-compensating is carried out to the conductivity of actual measurement.
It is full of waterproof sealing inside shell 300, is integrally formed each component fixation of electrode, and steam is avoided to invade.Electrode needs to pacify
In open water body, guarantee surrounding obstacles object distance measurement end 30mm or more, avoids influencing electrode measurement effect.Calibrate sheath
500 have interior 3/4 Inches Thread pipeline 510, use when being electrode calibration, can avoid electrode and are holding standard conductivity solution
When measuring cup alignment, measurement plane, which gets too close to chamber wall, causes electrode constant that significant changes occur, and causes measurement inaccuracy,
And convenient disassembly does not influence normal on-line testing.
Specific embodiment of the present utility model is illustrated above, but the utility model is not limited thereto, only
The objective of the utility model is not departed from, the utility model there can also be various change.
Claims (3)
1. a kind of on-line measurement plane conductance electrode characterized by comprising sealed fixing device (100), conducting wire (200),
Shell (300), conductivity measuring apparatus (400) and calibration sheath (500), the calibration sheath (500) and shell (300) front and back
Both ends connection, the sealed fixing device (100) on front side of calibration sheath (500) and shell (300) by connecting, the conductivity
Measuring device (400) on rear side of calibration sheath (500) and shell (300) by connecting, the fixed dress of conducting wire (200) perforation sealing
(100) and conductivity measuring apparatus (400) are set to be welded to connect；
Wherein, the conductivity measuring apparatus (400) includes: externally inlaid part (410), external electrode (420), embedded component (430), interior electricity
Pole (440) and thermistor (450), the externally inlaid part (410) are connect by waterproof sealing with calibration sheath (500), described outer
For electrode (420) by connecting on the inside of waterproof sealing and externally inlaid part (410), the embedded component (430) passes through waterproof sealing and dispatch from foreign news agency
Connection on the inside of pole (420), the interior electrode (440) on the inside of waterproof sealing and embedded component (430) by connecting, the thermistor
(450) it is set in interior electrode (440), the external electrode (420) is hollow cylinder structure, and the interior electrode (440) is filled circles
Ring structure.
2. a kind of on-line measurement plane conductance electrode according to claim 1, it is characterised in that: the fixed dress of the sealing
Setting (100) includes: sealing element (110), gasket (120), sealing lining ring (130) and O-ring (140), the sealing element (110) and
It seals lining ring (130) to be threadedly coupled, the sealing lining ring (130) is threadedly coupled with calibration sheath (500), the gasket (120)
It is connected with being compressed inside sealing element (110), the O-ring (140) and sealing lining ring (130) lower end outside are compressed and connected.
3. a kind of on-line measurement plane conductance electrode according to claim 1, it is characterised in that: the calibration sheath
(500) threaded tube (510) are equipped in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821037248.5U CN208459320U (en) | 2018-07-02 | 2018-07-02 | A kind of on-line measurement plane conductance electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821037248.5U CN208459320U (en) | 2018-07-02 | 2018-07-02 | A kind of on-line measurement plane conductance electrode |
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| Publication Number | Publication Date |
|---|---|
| CN208459320U true CN208459320U (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821037248.5U Active CN208459320U (en) | 2018-07-02 | 2018-07-02 | A kind of on-line measurement plane conductance electrode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486977A (en) * | 2020-04-20 | 2020-08-04 | 德州尧鼎光电科技有限公司 | Four-electrode conductance adjustable temperature sensor |
-
2018
- 2018-07-02 CN CN201821037248.5U patent/CN208459320U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486977A (en) * | 2020-04-20 | 2020-08-04 | 德州尧鼎光电科技有限公司 | Four-electrode conductance adjustable temperature sensor |
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