CN105928573A - Insertion type electromagnetic flowmeter - Google Patents
Insertion type electromagnetic flowmeter Download PDFInfo
- Publication number
- CN105928573A CN105928573A CN201610384385.5A CN201610384385A CN105928573A CN 105928573 A CN105928573 A CN 105928573A CN 201610384385 A CN201610384385 A CN 201610384385A CN 105928573 A CN105928573 A CN 105928573A
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- Prior art keywords
- probe
- ball valve
- base
- pipe
- intubate
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- 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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses an insertion type electromagnetic flowmeter. The insertion type electromagnetic flowmeter comprises an insertion tube and a flow pipe, wherein a base is welded on one side wall of the flow pipe; the front end of the insertion tube penetrates through the base to extend into the flow pipe; a measurement mechanism is mounted at a pipe orifice in the front end of the insertion tube; a meter base is mounted at a pipe orifice in the rear end of the insertion tube; a ball valve joint is mounted in the middle of the insertion tube in a sleeving manner; the insertion tube between the ball valve joint and the base is sleeved with a ball valve; two ends of the ball valve are locked on the ball valve joint and the base through lock nuts respectively. The insertion type electromagnetic flowmeter is practical and compact in structure, excellent in assembly structure and safe and reliable in sealing performance; the measurement process is not likely to be influenced by fluid density, viscosity, temperature, pressure and conductivity change; a measurement pipe is free of flow hindering parts inside, eddy current is not generated, pressure loss is avoided, and the requirement for a straight pipe section is lower.
Description
Technical field
The present invention relates to field of flow meters, be specially a kind of inserted electromagnet flow meter.
Background technology
The operation principle of inserted electromagnet flow meter is based on Faraday law of electromagnetic induction, measures the conducting medium in pipeline and is equivalent to the conducting metal bar in faraday's test, and two solenoids at upper and lower two ends produce stationary magnetic field.Inserted electromagnet flow meter is by intubating measuring mechanism, to the conducting liquid flowed in closed conduct and serosity cutting magnetic line, through the volume flow of the fluid of signal of telecommunication conversion display gained, the liquid of severe corrosive such as including acid, alkali, salt.The fields such as it is widely used in industry and environmental protection, the municipal administrations such as oil, chemical industry, metallurgy, weaving, food, pharmacy, papermaking, water conservancy construction.And inserted electromagnet flow meter to intubate measuring mechanism existing market various in style, form differs, and action principle is essentially identical, but its construction features is each has something to recommend him.Prior art inserting-type flowmeter is easily affected by fluid during measuring.Measure without hindrance mobile parts in pipe, and eddy current crushing can be produced.
Summary of the invention
It is an object of the invention to provide a kind of inserted electromagnet flow meter, to solve the problem that prior art inserted electromagnet flow meter exists.
In order to achieve the above object, the technical solution adopted in the present invention is:
Inserted electromagnet flow meter, it is characterized in that: include and intubate, flow conduit, described flow conduit side tube wall assemble welding has base, described intubate front end and stretch in flow conduit through base, and intubate in the mouth of pipe of front end measuring mechanism is installed, described intubate on the mouth of pipe of rear end, gauge stand is installed, intubate intermediate sleeve equipped with ball valve joint, ball valve joint left end is screwed into and is enclosed within the fixing nut on intubating, described fixing nut sidepiece is screwed into termination and supports at the lock-screw intubating on tube wall, intubating between ball valve joint and base is set with ball valve outward, described ball valve two ends are locked at ball valve joint by locking nut respectively, on base；
Described measuring mechanism include being arranged on intubate in the mouth of pipe of front end in have the probe of horizontal cavity to couple, and probe couples front end and stretches out from intubating the front end mouth of pipe, probe couples front end and is equipped with probe, described probe distal end face is provided with circular trough and the semi-spherical grooves connected with circular trough, probe has the ferrum core of horizontal cavity in being provided with in coupling, before iron core, rear portion is respectively installed with coil rack, magnet exciting coil it is wound with respectively on coil rack, in iron core, probe couples between inwall and iron core outer wall, probe couples rear end, probe couples gap location between front end and probe and waters epoxy resin respectively, wherein in iron core, epoxy resin front end is provided with the electrode stretched in probe semi-spherical grooves, it is positioned on electrode, the electrode stretched in probe circular trough it is separately installed with on the iron core front portion coil rack of lower respective side.
Described inserted electromagnet flow meter, it is characterised in that: it is provided with sealing ring between described cannula outer wall and ball valve joint inwall.
Described inserted electromagnet flow meter, it is characterised in that: described probe couples outer wall and intubates and be provided with sealing ring between front inner wall.
Described inserted electromagnet flow meter, it is characterised in that: it is provided with sealing ring between described probe connection front end outer wall and inner probe wall.
Described inserted electromagnet flow meter, it is characterised in that: it is respectively arranged with sealing ring between each electrode and probe.
Described inserted electromagnet flow meter, it is characterised in that: measurement transducer is installed on described gauge stand.
Present configuration practicality is compact, structure is excellent, sealing property is safe and reliable in assembling.The impact of fluid density, viscosity, temperature, pressure and conductivity variations it is susceptible to during measurement.Measure without hindrance mobile parts in pipe, do not produce eddy current and require relatively low without crushing, straight length.The present invention measures reliably, and capacity of resisting disturbance is strong, and volume is little, lightweight, easy for installation, maintenance is little. and can carry out installing, dismantling in the case of not stopping, the maintenance for user brings conveniently.Mechanical inertia of the present invention, quickly, stability in use is good in response, can be applicable to automatically to detect, regulates and stored program controlled etc..
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is measuring mechanism structure enlarged diagram of the present invention.
Detailed description of the invention
As shown in Figure 1 and Figure 2.Inserted electromagnet flow meter, include and intubate 2, flow conduit 11, flow conduit 11 side tube wall assemble welding has base 10, intubate 2 front ends and stretch in flow conduit 11 through base 10, and intubate in the 2 front end mouths of pipe measuring mechanism A is installed, intubate, on the 2 rear end mouths of pipe, gauge stand 1 is installed, intubate 2 intermediate sleeve equipped with ball valve joint 6, ball valve joint 6 left end is screwed into and is enclosed within the fixing nut 4 intubating on 2, fixing nut 4 sidepiece is screwed into termination and supports at the lock-screw 3 intubated on 2 tube walls, intubating between ball valve joint 6 and base 10 is set with ball valve 8 outside 2, ball valve 8 two ends are respectively by locking nut 7, 9 are locked at ball valve joint 6, on base 10；
nullMeasuring mechanism A include being arranged on intubate in the 2 front end mouths of pipe in have the probe of horizontal cavity to couple 18，And probe couples 18 front ends and stretches out from intubating the 2 front end mouths of pipe，Probe couples 18 front ends and is equipped with probe 12，12 front end faces of popping one's head in are provided with circular trough and the semi-spherical grooves connected with circular trough，The iron core 22 of horizontal cavity is had in being provided with in probe connection 18，Before iron core 22、Rear portion is respectively installed with coil rack 15、21，Coil rack 15、Magnet exciting coil 16 it is wound with respectively on 21、20，In iron core 22、Probe couples between 18 inwalls and iron core 22 outer wall、Probe couples 18 rear ends、Probe couples gap location between 18 front ends and probe 12 and waters epoxy resin 23 respectively，Wherein in iron core 22, epoxy resin front end is provided with the electrode stretched in probe semi-spherical grooves，It is positioned on electrode、It is separately installed with, on the anterior coil rack of the iron core 22 of lower respective side, the electrode 13 stretched in probe 12 circular troughs.
Intubate and be provided with sealing ring 5 between 2 outer walls and ball valve joint 6 inwall.
Probe couples 18 outer walls and intubates and be provided with sealing ring 19 between 2 front inner wall.
It is provided with sealing ring 17 between probe connection 18 front end outer walls and probe 12 inwalls.
It is respectively arranged with sealing ring 14 between each electrode and probe 12.
Measurement transducer is installed on gauge stand 1.
In the present invention, mainly it is made up of parts such as intubating 2, ball valve 8, base 10 and probe 12.Intubating 2 is the rod member made of heavy wall stainless steel tube, and the cutted thread respectively of outer surface two ends, its lower end is connected with testing agency's (probe), and upper end is connected with transducer.Signal lead-out wire equipped with testing agency's (probe) interior detecting element passes in intubating, and enters transducer, receives the input of signal templates.Base 10 material is that common straightcarbon steel is made and flow conduit 11 assemble welding, is also the fixed support intubating measuring mechanism of electromagnetic flowmeter.Ball valve 8 one end is by Screw assembly on base 10, and the other end is connected with ball valve joint 6 by screw thread, and ball valve 8 two ends are locked by locking nut 9,7 respectively.Ball valve joint 6 material is made up of non-magnetic rustless steel.The major function of ball valve 8 until electromagnetic flowmeter intubate measuring mechanism repair take out or change time, close flow conduit 11 so that closing liquid.Fixing nut 4 material is that rustless steel is made and used thread connection with ball valve joint 6, the lock nut 3 on fixing nut 4 with intubate 2 location fixations, say, that adjust probe fixing after the ad-hoc location of flow conduit 11.Reach to seal by sealing ring 5 for preventing conducting liquid from losing out from ball valve joint 6 inwall.Measure transducer to be assemblied on gauge stand 1, with the flow of conductive liquid and other running parameter of display flowing.Gauge stand 1 and probe connection 18 materials are non-magnetic rustless steel and make, and probe connection 18 intubates on 2 through being threadedly secured in, and 12 materials of popping one's head in are that poly-phenol couples on 18 at probe through Screw assembly.The material of iron core 22 be magnetic material function be the intensity strengthening magnetic field, iron core 22 is polytetrafluoroethylene by filling two coil racks 15,21 material, iron core 22 is by setting position by coil rack 15 axial restraint.When coil is passed through constant current, iron core is magnetized, and its magnetic field jointly acts on the magnetic field of coil and makes magnetic be further enhanced.For preventing conducting liquid from losing into magnet exciting coil from intubating 2 outer walls, through two sealing ring 19 resistance leakages.Lose from electrode fit-up gap into magnet exciting coil for liquid barrier simultaneously, every electrode is set up sealing ring 14 respectively and reaches resistance leakage.The rustless steel that electrode material is non-magnetic is made.Watering epoxy resin 23 in detecting element assembling is complete to probe in probe, so in probe, detecting element is naturally fixing forms entirety.Produce after magnet exciting coil 16,20 energising in induced field is distributed in flow conduit 11 by three electrodes 13 and produce the magnetic line of force.Now, when the conducting liquid flowed in closed conduct and serosity cutting magnetic line, produce induction electromotive force and just can accurately show the conducting liquid of flowing and the volume flow of serosity through transducer.
Claims (6)
1. inserted electromagnet flow meter, it is characterized in that: include and intubate, flow conduit, described flow conduit side tube wall assemble welding has base, described intubate front end and stretch in flow conduit through base, and intubate in the mouth of pipe of front end measuring mechanism is installed, described intubate on the mouth of pipe of rear end, gauge stand is installed, intubate intermediate sleeve equipped with ball valve joint, ball valve joint left end is screwed into and is enclosed within the fixing nut on intubating, described fixing nut sidepiece is screwed into termination and supports at the lock-screw intubating on tube wall, intubating between ball valve joint and base is set with ball valve outward, described ball valve two ends are locked at ball valve joint by locking nut respectively, on base；
Described measuring mechanism include being arranged on intubate in the mouth of pipe of front end in have the probe of horizontal cavity to couple, and probe couples front end and stretches out from intubating the front end mouth of pipe, probe couples front end and is equipped with probe, described probe distal end face is provided with circular trough and the semi-spherical grooves connected with circular trough, probe has the ferrum core of horizontal cavity in being provided with in coupling, before iron core, rear portion is respectively installed with coil rack, magnet exciting coil it is wound with respectively on coil rack, in iron core, probe couples between inwall and iron core outer wall, probe couples rear end, probe couples gap location between front end and probe and waters epoxy resin respectively, wherein in iron core, epoxy resin front end is provided with the electrode stretched in probe semi-spherical grooves, it is positioned on electrode, the electrode stretched in probe circular trough it is separately installed with on the iron core front portion coil rack of lower respective side.
Inserted electromagnet flow meter the most according to claim 1, it is characterised in that: it is provided with sealing ring between described cannula outer wall and ball valve joint inwall.
Inserted electromagnet flow meter the most according to claim 1, it is characterised in that: described probe couples outer wall and intubates and be provided with sealing ring between front inner wall.
Inserted electromagnet flow meter the most according to claim 1, it is characterised in that: it is provided with sealing ring between described probe connection front end outer wall and inner probe wall.
Inserted electromagnet flow meter the most according to claim 1, it is characterised in that: it is respectively arranged with sealing ring between each electrode and probe.
Inserted electromagnet flow meter the most according to claim 1, it is characterised in that: measurement transducer is installed on described gauge stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384385.5A CN105928573A (en) | 2016-05-30 | 2016-05-30 | Insertion type electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384385.5A CN105928573A (en) | 2016-05-30 | 2016-05-30 | Insertion type electromagnetic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105928573A true CN105928573A (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610384385.5A Pending CN105928573A (en) | 2016-05-30 | 2016-05-30 | Insertion type electromagnetic flowmeter |
Country Status (1)
| Country | Link |
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| CN (1) | CN105928573A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020053572A1 (en) * | 2018-09-11 | 2020-03-19 | Sentec Ltd | Centrifugal pump unit |
| CN111936826A (en) * | 2017-12-28 | 2020-11-13 | 奥尼康公司 | Scalable monolithic sensor assembly, controller and methods of making and installing same |
| WO2021018419A1 (en) * | 2019-08-01 | 2021-02-04 | Xylem Europe Gmbh | Insert-type electromagnetic flow meter |
| DE102019131671A1 (en) * | 2019-11-22 | 2021-05-27 | Endress+Hauser Flowtec Ag | Magnetic-inductive flow measurement probe |
Citations (4)
| 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 |
| CN201707079U (en) * | 2010-03-30 | 2011-01-12 | 山东泽谊自控技术有限公司 | Exquisite flowmeter |
| CN102057257A (en) * | 2008-06-05 | 2011-05-11 | 西门子公司 | Electromagnetic flowmeter and method with full pipe detection by the help of third electrode |
| CN205785366U (en) * | 2016-05-30 | 2016-12-07 | 铜陵市东方矿冶机械有限责任公司 | Inserted electromagnet flow meter |
-
2016
- 2016-05-30 CN CN201610384385.5A patent/CN105928573A/en active Pending
Patent Citations (4)
| 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 |
| CN102057257A (en) * | 2008-06-05 | 2011-05-11 | 西门子公司 | Electromagnetic flowmeter and method with full pipe detection by the help of third electrode |
| CN201707079U (en) * | 2010-03-30 | 2011-01-12 | 山东泽谊自控技术有限公司 | Exquisite flowmeter |
| CN205785366U (en) * | 2016-05-30 | 2016-12-07 | 铜陵市东方矿冶机械有限责任公司 | Inserted electromagnet flow meter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111936826A (en) * | 2017-12-28 | 2020-11-13 | 奥尼康公司 | Scalable monolithic sensor assembly, controller and methods of making and installing same |
| WO2020053572A1 (en) * | 2018-09-11 | 2020-03-19 | Sentec Ltd | Centrifugal pump unit |
| CN113454342A (en) * | 2018-09-11 | 2021-09-28 | 木质部欧洲有限公司 | Centrifugal pump unit |
| WO2021018419A1 (en) * | 2019-08-01 | 2021-02-04 | Xylem Europe Gmbh | Insert-type electromagnetic flow meter |
| DE102019131671A1 (en) * | 2019-11-22 | 2021-05-27 | Endress+Hauser Flowtec Ag | Magnetic-inductive flow measurement probe |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |
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| RJ01 | Rejection of invention patent application after publication |