CN108254029A - Magnetoelectric induction continuous impulse wave pick-up device and measuring method - Google Patents
Magnetoelectric induction continuous impulse wave pick-up device and measuring method Download PDFInfo
- Publication number
- CN108254029A CN108254029A CN201611242204.1A CN201611242204A CN108254029A CN 108254029 A CN108254029 A CN 108254029A CN 201611242204 A CN201611242204 A CN 201611242204A CN 108254029 A CN108254029 A CN 108254029A
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- Prior art keywords
- pick
- flow
- turbine
- magnetoelectric induction
- impulse wave
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Classifications
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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
- G01F1/05—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 mechanical effects
-
- 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
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Abstract
Magnetoelectric induction continuous impulse wave pick-up device and measuring method.Turbine flowmeter is one kind degree of sending formula flowmeter, is made of turbine flow transducer and flow displaying instrument.When flow meters work, detected fluid impulse turbine blade rotates turbine, and the transfer of turbine changes with the variation of flow, i.e., flow is big, and flow apparatus at present cannot keep calibration characteristics, for a long time, and physical properties of fluids has larger impact to discharge characteristic.The suspended matter or corrosion sexual element contained in medium, can cause Bearing Grinding to undermine the problems such as blocking.A kind of magnetoelectric induction continuous impulse wave pick-up device, composition include：Pick-up device housing（2）, the pick-up device housing respectively with fastener（1）, the external wall of table（10）Connection, the external pars intramuralis of the table are equipped with magnetoelectric induction signal detector（6）.Present invention is mainly applied to power station closed conduct flow measurements.
Description
Technical field：
The present invention relates to a kind of magnetoelectric induction continuous impulse wave pick-up device and measuring methods, are mainly used in power station sealed tube
The fields such as road, oil, organic liquid.
Background technology：
Turbine flowmeter is one kind degree of sending formula flowmeter, is made of turbine flow transducer and flow displaying instrument.Work as flow
When counting work, detected fluid impulse turbine blade rotates turbine, and the transfer of turbine changes with the variation of flow, i.e. flow
Greatly, the transfer of turbine is also big, then through magneto converter the electric pulse for being converted to corresponding frequencies of turbine, premenstrual to put
After big device amplification, it is sent into flow displaying instrument and is counted and shown, according to the umber of pulse in the unit interval and accumulated pulse number
Instantaneous flow and integrated flux can be obtained, flow apparatus common at present cannot keep calibration characteristics, physical properties of fluids pair for a long time
Discharge characteristic has larger shadow, the suspended matter contained in medium or corrosion sexual element, Bearing Grinding can be caused to undermine the problems such as blocking.
Invention content：
The object of the present invention is to provide a kind of magnetoelectric induction continuous impulse wave pick-up device and measuring methods.
Above-mentioned purpose is realized by following technical scheme：
A kind of magnetoelectric induction continuous impulse wave pick-up device, composition include：Pick-up device housing, the pick-up device shell
Body is connect respectively with fastener, the external wall of table, and the external pars intramuralis of the table is equipped with magnetoelectric induction signal detector
The magnetoelectric induction continuous impulse wave pick-up device is equipped with forward guides in the pick-up device housing, institute
The forward guides stated is connect with thrust plate, and the thrust plate is connect with bearing, and the bearing is connect with rear guide part.
The magnetoelectric induction continuous impulse wave pick-up device is equipped with axis on the bearing, pacifies on the axis
Equipped with four impellers.
The magnetoelectric induction continuous impulse wave pick-up device, the pick-up device housing are hard for non-magnetic stainless steel
Matter alloy manufactures, and the guide way is manufactured for non-magnetic stainless steel duralumin material, and the axis uses high-hardness stainless steel material
Material, the impeller are made of permeability magnetic material.
The magnetoelectric induction continuous impulse wave pick-up device and method of work, when fluid is along the axis direction of pipeline
When flowing simultaneously impulse turbine impeller, the power for just having fluids within pipes is acted on impeller, pushes turbine rotation.In turbine rotation
Meanwhile blade cyclic cut the magnetic line of force of electromagnet generation, change the magnetic flux of coil.According to electromagnetic induction principle,
The electric potential signal that will induce pulsation in coil, the frequency of this fluctuating signal is directly proportional to the flow of detected fluid, and with instrument
The abrasion condition of long-time service and change, turbine sensor output pulse signal, after preamplifier amplifies, be sent into display
Instrument, it is possible to realize the measurement of flow.
Beneficial effects of the present invention：
1. impeller blade of the present invention is made of permeability magnetic material, magnetoelectric induction signal detector is equipped with permanent-magnet materials.Work as impeller
During rotation, the magnetic circuit of permanent-magnet material formation in coil, because magnetic conductivity blade alternate is close to or away from magnetic flux, which generates, periodically to be become
Change, the equiva lent impedance of coil generates continuous impulse wave also with variation in amplifying circuit.
2. the present invention collects rolling bearing with pressure bearing in one using all-carbide protected type cantilever beam structure bearing
Body substantially increases bearing life, and can work in having the medium of a small amount of silt and dirt.
3. easily repair of the invention has the structure of self-rectifying, small-sized light and handy, simple in structure, can be in a short time by its group
Conjunction is dismantled, and internal washing is simple, has relatively strong diamagnetic interference and vibration ability, dependable performance, long lifespan, lower limit streaming is low, measures
Range is wide.
4. the present invention is widely used in measure in closed conduct does not play corrosiveness, and without fibre with stainless steel and hard alloy
The impurity such as dimension, particle use, if mating with the display instrument with specific function, also after real liquid calibration can be carried out to flowmeter
Quantitative control, excess alarm etc. can be carried out, is flow measurement and energy-efficient preferable instrument.
Description of the drawings：
Attached drawing 1 is the structure diagram of the present invention.
Specific embodiment：
Embodiment 1：
A kind of magnetoelectric induction continuous impulse wave pick-up device, composition include：Pick-up device housing 2, the pick-up device
Housing is connect respectively with fastener 1, the external wall 10 of table, and the external pars intramuralis of the table is equipped with magnetoelectric induction signal detector
6。
Embodiment 2：
According to magnetoelectric induction continuous impulse wave pick-up device described in embodiment 1, it is equipped in the pick-up device housing
Forward guides 3, the forward guides are connect with thrust plate 4, and the thrust plate is connect with bearing 7, and the bearing is with after
Guide part 8 connects.
Embodiment 3：
Magnetoelectric induction continuous impulse wave pick-up device according to embodiment 1 or 2 is equipped with axis 9, institute on the bearing
Four impellers 5 are installed on the axis stated.
Embodiment 4：
Magnetoelectric induction continuous impulse wave pick-up device according to embodiment 1 or 2 or 3, the pick-up device housing are
Non-magnetic stainless steel hard alloy manufacture, the guide way are manufactured for non-magnetic stainless steel duralumin material, and the axis uses
High-hardness stainless steel material, the impeller are made of permeability magnetic material.
Embodiment 5：
A kind of method that magnetoelectric induction continuous impulse wave pick-up device using described in embodiment 1-4 carries out flow measurement, when
When fluid is along the axis direction flowing of pipeline and impulse turbine impeller, the power for just having fluids within pipes is acted on impeller, is pushed away
Dynamic turbine rotation.While turbine rotates, the magnetic line of force of electromagnet generation is cut to blade cyclic, changes the magnetic flux of coil
Amount.According to electromagnetic induction principle, the electric potential signal that will induce pulsation in coil, the frequency and detected fluid of this fluctuating signal
Flow it is directly proportional, and with instrument be used for a long time abrasion condition and change, turbine sensor output pulse signal, through preposition
After amplifier amplification, it is sent into display instrument, it is possible to realize the measurement of flow.
Claims (5)
1. a kind of magnetoelectric induction continuous impulse wave pick-up device, composition includes：Pick-up device housing, it is characterized in that：It is described
Pick-up device housing connect respectively with fastener, the external wall of table, the external pars intramuralis of the table be equipped with magnetoelectric induction letter
Number detector.
2. magnetoelectric induction continuous impulse wave pick-up device according to claim 1, it is characterized in that：The pick-up device
Forward guides is installed, the forward guides is connect with thrust plate, and the thrust plate is connect with bearing, described in housing
Bearing is connect with rear guide part.
3. magnetoelectric induction continuous impulse wave pick-up device according to claim 1 or 2, it is characterized in that：The bearing
On axis is installed, four impellers are installed on the axis.
4. the magnetoelectric induction continuous impulse wave pick-up device according to claims 1 or 2 or 3, it is characterized in that：The change
Device case is sent to be manufactured for non-magnetic stainless steel hard alloy, the guide way is manufactured for non-magnetic stainless steel duralumin material,
The axis uses high-hardness stainless steel material, and the impeller is made of permeability magnetic material.
5. a kind of measuring method of magnetoelectric induction continuous impulse wave pick-up device using described in claim 1-4, feature
It is：When fluid is along the axis direction flowing of pipeline and impulse turbine impeller, the power for just having fluids within pipes acts on impeller
On, it pushes turbine rotation, while turbine rotates, cut to blade cyclic the magnetic line of force of electromagnet generation, changes coil
Magnetic flux, according to electromagnetic induction principle, the electric potential signal that will induce pulsation in coil, the frequency and quilt of this fluctuating signal
The flow of fluid measured is directly proportional, and changes with the abrasion condition that instrument is used for a long time, the pulse signal of turbine sensor output,
After preamplifier amplifies, it is sent into display instrument, it is possible to realize the measurement of flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242204.1A CN108254029A (en) | 2016-12-29 | 2016-12-29 | Magnetoelectric induction continuous impulse wave pick-up device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242204.1A CN108254029A (en) | 2016-12-29 | 2016-12-29 | Magnetoelectric induction continuous impulse wave pick-up device and measuring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108254029A true CN108254029A (en) | 2018-07-06 |
Family
ID=62719658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611242204.1A Pending CN108254029A (en) | 2016-12-29 | 2016-12-29 | Magnetoelectric induction continuous impulse wave pick-up device and measuring method |
Country Status (1)
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|---|---|
| CN (1) | CN108254029A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282865A (en) * | 2018-10-31 | 2019-01-29 | 四川泛华航空仪表电器有限公司 | Flow sensor based on magnetic field intercepts principle |
| CN110567541A (en) * | 2019-09-19 | 2019-12-13 | 朱增秀 | Electromagnetic flowmeter |
| CN111522276A (en) * | 2020-05-15 | 2020-08-11 | 孙冬梅 | Automatic sampling controller for needle type pressure reducing valve and working method thereof |
| WO2021147522A1 (en) * | 2020-01-20 | 2021-07-29 | 华中科技大学 | Pulse magnet device based on magnetic flux compression, and high-flux measurement method |
-
2016
- 2016-12-29 CN CN201611242204.1A patent/CN108254029A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282865A (en) * | 2018-10-31 | 2019-01-29 | 四川泛华航空仪表电器有限公司 | Flow sensor based on magnetic field intercepts principle |
| CN110567541A (en) * | 2019-09-19 | 2019-12-13 | 朱增秀 | Electromagnetic flowmeter |
| WO2021147522A1 (en) * | 2020-01-20 | 2021-07-29 | 华中科技大学 | Pulse magnet device based on magnetic flux compression, and high-flux measurement method |
| US11493581B2 (en) | 2020-01-20 | 2022-11-08 | Huazhong University Of Science And Technology | Pulse magnet device based on magnetic flux compression, and high-flux measurement method |
| CN111522276A (en) * | 2020-05-15 | 2020-08-11 | 孙冬梅 | Automatic sampling controller for needle type pressure reducing valve and working method thereof |
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Application publication date: 20180706 |