CN209214686U - A kind of anti-interference screening arrangement of electromagnetic electrode - Google Patents
A kind of anti-interference screening arrangement of electromagnetic electrode Download PDFInfo
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- CN209214686U CN209214686U CN201920129597.8U CN201920129597U CN209214686U CN 209214686 U CN209214686 U CN 209214686U CN 201920129597 U CN201920129597 U CN 201920129597U CN 209214686 U CN209214686 U CN 209214686U
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Abstract
The utility model discloses a kind of anti-interference screening arrangement of electromagnetic electrode, including conduit, the inner wall of the conduit is equipped with lining, and electrode shield is provided on the outside of the electrode, and shell is equipped on the outside of the coil, and the upper end of the shell is equipped with converter.After the utility model is powered by the converter of setting, exciting current is exported to coil, so that coil generates magnetic field, form magnetic induction line, conductive medium is flowed through from lining, pass through magnetic field, do cutting magnetic induction line movement, medium has electromotive force signal, electromotive force signal is by being mounted on supravasal electrode, it is transmitted in converter, converter is by signal enhanced processing, to calculate flow rate, pass through the electrode shield of the full aluminium material of setting, for filtering out interference of the external interference source to flow signal, so that flow indication normal table, pass through the conduit of the stainless steel material of setting, conduit is avoided to be magnetized in magnetic field.
Description
Technical field
The utility model relates to electromagnetic flowmeter technical field, specially a kind of anti-interference screening arrangement of electromagnetic electrode.
Background technique
Electromagnetic flowmeter be using electromagnetic induction principle, according to conductive fluid by the electromotive force inducted when externally-applied magnetic field come
Measure a kind of instrument of conductive fluid flow.
The flow signal that existing electromagnetic flowmeter survey comes out, will receive the interference of external interference source, causes flow waves
It is dynamic big, unstable, measurement data inaccuracy.
Utility model content
The purpose of this utility model is that: it, can be by order to solve the flow signal that existing electromagnetic flowmeter survey comes out
To the interference of external interference source, cause flowed fluctuation big, unstable, the problem of measurement data inaccuracy provides a kind of electromagnetism electricity
Extremely anti-interference screening arrangement.
To achieve the above object, the utility model provides the following technical solutions: a kind of anti-interference screening arrangement of electromagnetic electrode,
Including conduit, the both ends of the conduit are mounted on flange, and the inner wall of the conduit is equipped with lining, the outside peace of the conduit
Equipped with electrode, electrode shield is provided on the outside of the electrode, coil is installed on the outside of the conduit, the coil it is outer
Side is equipped with shell, and the upper end of the shell is equipped with converter.
Preferably, the material of the conduit is stainless steel, and the material of lining is polytetrafluoroethylene (PTFE).
Preferably, the shell and conduit weld, and the material of shell is carbon steel.
Preferably, the quantity of the electrode and coil is two, and longitudinal central axis line pair of two electrodes about conduit
Claim distribution, two coils are symmetrical about the lateral central axes of conduit.
Preferably, the material of two electrode shields is aluminium.
Compared with prior art, the utility model has the beneficial effects that the utility model is powered by the converter of setting
Afterwards, exciting current is exported to coil, so that coil generates magnetic field, forms magnetic induction line, conductive medium is flowed through from lining, is led to
Cross magnetic field, do cutting magnetic induction line movement, medium has electromotive force signal, electromotive force signal by being mounted on supravasal electrode,
It is transmitted in converter, converter is by signal enhanced processing, to calculate flow rate, passes through the electricity of the full aluminium material of setting
Pole shielding case, for filtering out interference of the external interference source to flow signal, so that flow indication normal table, by setting
The conducting of lining the isolation pipeline internal medium and conduit set, while conduit is protected, to prevent being corroded, pass through the stainless steel of setting
The conduit of matter, avoids conduit from being magnetized in magnetic field.
Detailed description of the invention
Fig. 1 is the interior of shell structural schematic diagram of the utility model；
Fig. 2 is the surface structure schematic diagram of the utility model；
Fig. 3 is the coil side view of the utility model.
In figure: 1, conduit；2, flange；3, shell；4, converter；5, coil；6, electrode shield；7, electrode；8, lining.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Obtained by the converter (model ZMCRAL) and coil of the utility model can be ordered in market or individual.
Fig. 1-3, a kind of anti-interference screening arrangement of electromagnetic electrode, including conduit 1, the both ends of conduit 1 are please referred to be mounted on
Flange 2, the inner wall of conduit 1 are equipped with lining 8, and the outside of conduit 1 is equipped with electrode 7, and the outside of electrode 7 is provided with electrode screening
Cover 6, the outside of conduit 1 is equipped with coil 5, and the outside of coil 5 is equipped with shell 3, and the upper end of shell 3 is equipped with converter 4.
In this implementation: after being powered by the converter 4 of setting, exciting current is exported to coil 5, so that coil 5 produces
Magnetisation field forms magnetic induction line, and conductive medium is flowed through from lining 8, by magnetic field, does cutting magnetic induction line movement, medium is with electricity
Electromotive force signal, electromotive force signal are transmitted in converter 4 by the electrode 7 being mounted on conduit 1, and converter 4 amplifies signal
Processing, so that flow rate is calculated, by the electrode shield 6 of setting, for filtering out external interference source to flow signal
Interference be convenient for connecting with pipeline and other flanges 2 by the flange 2 of setting, be convenient for so that flow indication normal table
The installation of flowmeter.
Please emphatically refering to fig. 1 and Fig. 2, the material of conduit 1 is stainless steel, and the material of lining 8 is polytetrafluoroethylene (PTFE), shell
3 weld with conduit 1, and the material of shell 3 is carbon steel, and the material of two electrode shields 6 is aluminium, passes through the full aluminium of setting
The electrode shield 6 of matter, for filtering out interference of the external interference source to flow signal, so that flow indication is normally steady
It is fixed, the conducting of pipeline internal medium and conduit 1 is completely cut off by the lining 8 of the polytetrafluoroethylene (PTFE) material of setting, while protecting conduit 1,
To prevent being corroded, the material of lining 8 can be polytetrafluoroethylene (PTFE), neoprene latex, PFA, F46 etc., pass through the stainless steel of setting
The conduit 1 of material, avoids conduit 1 from being magnetized in magnetic field, by the carbon steel shell 3 of setting, for protecting coil 5, electrode 7 by
To external damage and corrosion, while having the function of supporting converter 4.
It please focus on refering to Fig. 3, the quantity of electrode 7 and coil 5 is two, and in longitudinal direction of two electrodes 7 about conduit 1
Axisymmetrical distribution, two coils 5 are symmetrical about the lateral central axes of conduit 1, are used for by the coil 5 of setting to flow
Meter measurement part provides magnetic field, can specification the coils 5 of different line footpaths is used according to different flow meter, will by the electrode 7 of setting
Flow signal is transferred in converter 4.
Working principle: after converter 4 is powered, exciting current is exported to coil 5, so that coil 5 generates magnetic field, is formed
Magnetic induction line, conductive medium are flowed through from lining 8, by magnetic field, do cutting magnetic induction line movement, medium has electromotive force signal, electricity
Electromotive force signal is transmitted in converter 4 by the electrode 7 being mounted on conduit 1, and converter 4 is by signal enhanced processing, to count
Flow rate is calculated, electrode shield 6 may filter that interference of the external interference source to flow signal, so that flow indication is just
Often stablize.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of anti-interference screening arrangement of electromagnetic electrode, including conduit (1), it is characterised in that: pacify at the both ends of the conduit (1)
Equipped with flange (2), the inner wall of the conduit (1) is equipped with lining (8), is equipped with electrode (7), institute on the outside of the conduit (1)
It states and is provided on the outside of electrode (7) electrode shield (6), is equipped with coil (5) on the outside of the conduit (1), the coil (5)
Outside be equipped with shell (3), the upper end of the shell (3) is equipped with converter (4).
2. the anti-interference screening arrangement of a kind of electromagnetic electrode according to claim 1, it is characterised in that: the conduit (1)
Material is stainless steel, and the material of lining (8) is polytetrafluoroethylene (PTFE).
3. the anti-interference screening arrangement of a kind of electromagnetic electrode according to claim 1, it is characterised in that: the shell (3) with
Conduit (1) welding, and the material of shell (3) is carbon steel.
4. the anti-interference screening arrangement of a kind of electromagnetic electrode according to claim 1, it is characterised in that: the electrode (7) and
The quantity of coil (5) is two, and two electrodes (7) are symmetrical about the longitudinal central axis line of conduit (1), two lines
It is symmetrical about the lateral central axes of conduit (1) to enclose (5).
5. the anti-interference screening arrangement of a kind of electromagnetic electrode according to claim 1, it is characterised in that: two electrode screens
The material for covering cover (6) is aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920129597.8U CN209214686U (en) | 2019-01-25 | 2019-01-25 | A kind of anti-interference screening arrangement of electromagnetic electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920129597.8U CN209214686U (en) | 2019-01-25 | 2019-01-25 | A kind of anti-interference screening arrangement of electromagnetic electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209214686U true CN209214686U (en) | 2019-08-06 |
Family
ID=67467588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920129597.8U Active CN209214686U (en) | 2019-01-25 | 2019-01-25 | A kind of anti-interference screening arrangement of electromagnetic electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209214686U (en) |
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2019
- 2019-01-25 CN CN201920129597.8U patent/CN209214686U/en active Active
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