CN109253764A - Insertion type probe for electromagnetic flowmeter - Google Patents
Insertion type probe for electromagnetic flowmeter Download PDFInfo
- Publication number
- CN109253764A CN109253764A CN201811255162.4A CN201811255162A CN109253764A CN 109253764 A CN109253764 A CN 109253764A CN 201811255162 A CN201811255162 A CN 201811255162A CN 109253764 A CN109253764 A CN 109253764A
- Authority
- CN
- China
- Prior art keywords
- shell
- insertion rod
- electromagnetic flowmeter
- plug
- electrode
- 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.)
- Pending
Links
- 238000003780 insertion Methods 0.000 title claims abstract description 39
- 230000037431 insertion Effects 0.000 title claims abstract description 39
- 239000000523 sample Substances 0.000 title claims abstract description 24
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000002033 PVDF binder Substances 0.000 claims description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000011900 installation process Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
- G01F1/588—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters combined constructions of electrodes, coils or magnetic circuits, accessories therefor
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a kind of insertion type probes for electromagnetic flowmeter, belong to liquid flow mearuement field, including cylindric shell, the inside of the shell is equipped with electric signal and generates component, it includes coil block that the electric signal, which generates component, pole shoe, magnetic yoke and several electrode cables, one end of the shell is equipped with the interconnecting piece for connecting insertion rod, dismountable connection structure is arranged in the interconnecting piece and the insertion rod, the outer diameter of the insertion rod is identical as the outer diameter of the shell, the other end of the shell is connected with plug, there are two electrode assemblies for installation on the end face of the plug, two electrode assemblies are equipped with the air deflector for water conservancy diversion, it solves to pop one's head in the prior art inconsistent with the outer diameter of insertion rod, the male and fomale(M&F) formed at probe and the link position of insertion rod increases VELOCITY DISTRIBUTION distortion effects, and it passes The problem of installation process is easily damaged in the middle part of probe is arranged in electrode of uniting.
Description
Technical field
The present invention relates to the metering fields of fluid flow, visit more particularly to a kind of plug-in type for electromagnetic flowmeter
Head.
Background technique
For the measurement compared with large-caliber flow, flow field is relatively stable, and velocity flow profile is in measuring section in closed conduct
The axial symmetry of interior comparison rule is distributed, and inserted electromagnet flow meter can be used to carry out flow measurement.Inserted electromagnet flow meter is
Flowmeter instrument, measuring principle is identical as electromagnetic flowmeter, unlike, inserted electromagnet flow meter is visited by insertion rod and detection
The point flow velocity that fluid is measured in detection probe insertion fluid is directly represented the mean flow rate in pipeline by head composition.It is commonly inserted
Depth is at the 1/8 of pipeline.Because the point is usually the mean flow rate point in flow field.By measuring the flow velocity of the point, it is whole to reach measurement
The purpose of a pipeline flow.Relative duct size formula flowmeter, inserted electromagnet flow meter is at low cost, can pacify in original pipeline
Dress, brings convenience to user, requires lower occasion to receive an acclaim in some non-metering or measurement accuracy.
Traditional inserted electromagnet flow meter probe is mostly processed using mold, higher cost, and big with insertion rod outer diameter
Small inconsistent, male and female face can be generated with the junction of insertion rod during the installation process by popping one's head in, and increase VELOCITY DISTRIBUTION distortion effects,
On the other hand, existing inserted electromagnet flow meter probe electrode mostly uses side to install, and side installation is at the scene using installation
It is easily damaged in the process.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the present invention provides a kind of insertion for electromagnetic flowmeter
Formula probe solves to pop one's head in the prior art inconsistent with the outer diameter of insertion rod, is formed at probe and the link position of insertion rod
Male and fomale(M&F) increases VELOCITY DISTRIBUTION distortion effects and what traditional electrode was arranged in that installation process in the middle part of probe is easily damaged asks
Topic.
Its technical solution is, for the insertion type probe of electromagnetic flowmeter, including cylindric shell, the shell it is interior
Portion is equipped with electric signal and generates component, and it includes coil block, pole shoe, magnetic yoke and several electrode electricity that the electric signal, which generates component,
Cable, one end of the shell are equipped with the interconnecting piece for connecting insertion rod, and the interconnecting piece and insertion rod setting are detachable
Connection structure, the other end of the shell is connected with plug, and installation is there are two electrode assembly on the end face of the plug, two
The electrode assembly is equipped with the air deflector for water conservancy diversion.
Further, including probe and insertion rod, the interconnecting piece are equipped with external screw thread, and the insertion rod passes through described
The external screw thread of shell end is closely connect with the shell, and the outer diameter of the insertion rod is identical as the outer diameter of the shell.
Further, the end face of the plug forms circular configuration, and two electrode assemblies are about the plug end
The diameter symmetry in face.
Further, the intermediate of the air deflector forms cylindrical structure, the both ends of the air deflector formed about
The middle position of the air deflector is symmetrically formed conical structure, and the air deflector is consistent with flow direction of medium.
Further, the material of the shell is PVDF.
Further, the coil block forms cylinder-like structure, and the pole shoe is set to the centre of the coil block
At position, the magnetic yoke is wrapped in the outside of the coil block, and each electrode cable is described by extending in the shell
The end of thread of shell is connected to converter, and the inside envelope of the shell is inoculated with sealant.
Further, electrode wires gauze screen is enclosed on the outside of the electrode cable.
The solution have the advantages that in the present invention sheathing material select the direct machine-shaping of PVDF stick, and with insertion rod
Outer diameter is consistent, effectively reduces the flow velocity distortion effects in measurement process, while electrode assembly being symmetrically set on the plug,
It solves the problems, such as that electrode assembly is installed in side in the prior art to be easily damaged, while making the entire inside magnetic path structure of shell more
Step up to gather, is equipped with air deflector on the plug among two electrode assemblies, not only ensure that flow direction, but also there are good guide functions.
Detailed description of the invention
Fig. 1 is the front section view of shell in the present invention.
Fig. 2 is the front elevation of plug in the present invention.
Fig. 3 is the front section view of probe assembly in the present invention.
Specific embodiment
Below in conjunction with Figure of description, specific embodiment is described in further details.
Shell 1: the shell 1 is by the cylinder of PVDF materials for support, and the shell 1 directly uses in process
PVDF stick machine-shaping, have good high temperature resistant, anticorrosion effect, one end diameter of the shell 1 reduce to be formed with it is described
Dismountable connection structure is arranged in the interconnecting piece of insertion rod connection, the interconnecting piece and the insertion rod, sets on the interconnecting piece
There is external screw thread, the insertion rod is threadedly coupled with the interconnecting piece of the shell 1, the outer diameter of the insertion rod and the shell
1 outer diameter is consistent, and the insertion rod not will form male and fomale(M&F) after connecting with the shell 1, effectively reduces in measurement process
VELOCITY DISTRIBUTION distortion effects, the inside of the shell 1 are equipped with electric signal and generate component, and the other end of the shell 1 is connected with stifled
First 7.
Plug 7: the plug 7 forms circular plate structure, and the side of the plug 7 is fixed with the fixation of cylinder-like structure
End, the center of circle of the fixing end bottom surface are overlapped with the center of circle of 7 end face of plug, the outer diameter of the fixing end and the shell 1
Internal diameter be adapted, the fixing end of the plug 7 is connected to the inside of the shell 1, the outer surface of the fixing end with it is described
The inner wall of shell 1 contacts, and the diameter of the plug 7 is identical as the outer diameter of the shell 1, the company of the plug 7 and the shell 1
The place of connecing does not form male and fomale(M&F).
Electrode assembly 8 is installed on the end face in 7 outside of plug, there are two the electrode assemblies 8, and two electricity
Pole component 8 is also equipped with air deflector 10, institute about the diameter symmetry on the plug end face, the middle position of the plug 7
The middle position that air deflector 10 is located at two electrode assemblies 8 is stated, the intermediate of the air deflector forms cylindrical structure, institute
The both ends for stating air deflector, which are formed, is symmetrically formed conical structure about the middle position of the air deflector, the air deflector with
Flow direction of medium is consistent, and the air deflector 10 is guaranteeing also there is good guide functions while flow direction.
Electric signal generates component: the probe assembly includes coil block 3, pole shoe member 2, magnetic yoke 5 and several electrodes
Cable 5, the coil block 3 form cylinder-like structure, and the pole shoe member 2 is located at the middle position of the coil block 3,
The magnetic yoke 5 is wrapped in the outside of the coil block 3, and each electrode cable 4 is by the internal stretch of the shell 1 to described
The end of thread of shell 1 is simultaneously connected to converter, and the inside air hose of the shell 1 has sealant 6, ensure that the interior of the shell 1
Portion's non-activity components strengthen the degree of protection of probe, and the outside of the electrode cable 4 is enclosed with electrode wires gauze screen 9, can
Further to prevent interference signal, guarantee the normal work of probe.
Except in addition to motor lines gauze screen 9 is added in the outside of the electrode cable 4, can also use shielding line as electrode electricity
Cable 4 achievees the purpose that prevent interference signal.
The solution have the advantages that in the present invention sheathing material select the direct machine-shaping of PVDF stick, and with insertion rod
Outer diameter is consistent, effectively reduces the flow velocity distortion effects in measurement process, while electrode assembly being symmetrically set on the plug,
It solves the problems, such as that electrode assembly is installed in side in the prior art to be easily damaged, while making the entire inside magnetic path structure of shell more
Step up to gather, is equipped with air deflector on the plug among two electrode assemblies, not only ensure that flow direction, but also there are good guide functions.
Above by specific embodiment and embodiment, invention is explained in detail, but these are not composition pair
Limitation of the invention.Without departing from the principles of the present invention, those skilled in the art can also make many deformations and change
Into these also should be regarded as protection scope of the present invention.
Claims (7)
1. being used for the insertion type probe of electromagnetic flowmeter, including cylindric shell (1), the inside of the shell (1) is equipped with electricity
Signal generates component, and it includes coil block (3), pole shoe (2), magnetic yoke (5) and several electrodes that the electric signal, which generates component,
Cable (4), which is characterized in that one end of the shell (1) is equipped with the interconnecting piece for connecting insertion rod, the interconnecting piece and institute
It states insertion rod and dismountable connection structure is set, the other end of the shell (1) is connected with plug (7), the end of the plug (7)
There are two electrode assembly (8), two electrode assemblies (8) to be equipped with the air deflector (10) for water conservancy diversion for installation on face.
2. being based on electromagnetic flowmeter described in claim 1, which is characterized in that including probe and insertion rod, on the interconnecting piece
Equipped with external screw thread, the insertion rod is closely connect by the external screw thread of the shell (1) end with the shell (1), institute
The outer diameter for stating insertion rod is identical as the outer diameter of the shell (1).
3. the insertion type probe according to claim 1 for electromagnetic flowmeter, which is characterized in that the plug (7)
End face forms circular configuration, diameter symmetry of two electrode assemblies (8) about the plug (7) end face.
4. the insertion type probe according to claim 1 for electromagnetic flowmeter, which is characterized in that the air deflector (10)
It is intermediate form cylindrical structure, the both ends of the air deflector (10) form the middle position about the air deflector (10)
It is symmetrically formed conical structure, the air deflector (10) is consistent with flow direction of medium.
5. the insertion type probe according to claim 1 for electromagnetic flowmeter, which is characterized in that the shell (1)
Material is PVDF.
6. the insertion type probe according to claim 1 for electromagnetic flowmeter, which is characterized in that the coil block
(3) cylinder-like structure is formed, the pole shoe (2) is set to the middle position of the coil block (3), magnetic yoke (5) package
In the outside of the coil block (3), each electrode cable (4) is by the interior spiral shell for extending to the shell (1) of the shell (1)
Line end is connected to converter, and the inside envelope of the shell (1) is inoculated with sealant (6).
7. the insertion type probe according to claim 6 for electromagnetic flowmeter, which is characterized in that the electrode cable
(4) electrode wires gauze screen (9) are enclosed on the outside of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255162.4A CN109253764A (en) | 2018-10-26 | 2018-10-26 | Insertion type probe for electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255162.4A CN109253764A (en) | 2018-10-26 | 2018-10-26 | Insertion type probe for electromagnetic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109253764A true CN109253764A (en) | 2019-01-22 |
Family
ID=65046182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811255162.4A Pending CN109253764A (en) | 2018-10-26 | 2018-10-26 | Insertion type probe for electromagnetic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109253764A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019126707A1 (en) * | 2019-10-02 | 2021-04-08 | Endress + Hauser Flowtec Ag | Sensor, measuring tube and electromagnetic flow measuring point |
| DE102019126705A1 (en) * | 2019-10-02 | 2021-04-08 | Endress+Hauser Flowtec Ag | Sensor, measuring tube and electromagnetic flow measuring point |
| DE102019131671A1 (en) * | 2019-11-22 | 2021-05-27 | Endress+Hauser Flowtec Ag | Magnetic-inductive flow measurement probe |
| DE102020116004B3 (en) | 2020-06-17 | 2021-09-23 | Endress+Hauser Flowtec Ag | Magnetic-inductive flow measuring probe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2112804U (en) * | 1991-07-15 | 1992-08-12 | 天津市自动化仪表三厂 | Plug-in type electromagnetic flow sensor |
| CN2115521U (en) * | 1992-01-24 | 1992-09-09 | 天津市自动化仪表三厂 | Insert type electromagnetic flow sensor |
| US5970799A (en) * | 1997-07-17 | 1999-10-26 | Endress + Hauser Flowtec Ag | Electromagnetic flow probe |
| CN105841760A (en) * | 2016-03-16 | 2016-08-10 | 浙江省计量科学研究院 | Insert-type electromagnetic flowmeter |
| CN206258143U (en) * | 2016-11-30 | 2017-06-16 | 上海肯特仪表股份有限公司 | Electromagnetic flow transducer |
| CN208860416U (en) * | 2018-10-26 | 2019-05-14 | 开封仪表有限公司 | Insertion type probe for electromagnetic flowmeter |
-
2018
- 2018-10-26 CN CN201811255162.4A patent/CN109253764A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2112804U (en) * | 1991-07-15 | 1992-08-12 | 天津市自动化仪表三厂 | Plug-in type electromagnetic flow sensor |
| CN2115521U (en) * | 1992-01-24 | 1992-09-09 | 天津市自动化仪表三厂 | Insert type electromagnetic flow sensor |
| US5970799A (en) * | 1997-07-17 | 1999-10-26 | Endress + Hauser Flowtec Ag | Electromagnetic flow probe |
| CN105841760A (en) * | 2016-03-16 | 2016-08-10 | 浙江省计量科学研究院 | Insert-type electromagnetic flowmeter |
| CN206258143U (en) * | 2016-11-30 | 2017-06-16 | 上海肯特仪表股份有限公司 | Electromagnetic flow transducer |
| CN208860416U (en) * | 2018-10-26 | 2019-05-14 | 开封仪表有限公司 | Insertion type probe for electromagnetic flowmeter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019126707A1 (en) * | 2019-10-02 | 2021-04-08 | Endress + Hauser Flowtec Ag | Sensor, measuring tube and electromagnetic flow measuring point |
| DE102019126705A1 (en) * | 2019-10-02 | 2021-04-08 | Endress+Hauser Flowtec Ag | Sensor, measuring tube and electromagnetic flow measuring point |
| DE102019131671A1 (en) * | 2019-11-22 | 2021-05-27 | Endress+Hauser Flowtec Ag | Magnetic-inductive flow measurement probe |
| DE102020116004B3 (en) | 2020-06-17 | 2021-09-23 | Endress+Hauser Flowtec Ag | Magnetic-inductive flow measuring probe |
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