CN106813733A - A kind of electromagnetic flowmeter - Google Patents
A kind of electromagnetic flowmeter Download PDFInfo
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- CN106813733A CN106813733A CN201510867416.8A CN201510867416A CN106813733A CN 106813733 A CN106813733 A CN 106813733A CN 201510867416 A CN201510867416 A CN 201510867416A CN 106813733 A CN106813733 A CN 106813733A
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- measurement pipe
- pipe
- water
- measurement
- flange
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Abstract
The invention discloses a kind of electromagnetic flowmeter, including water-in flange, measurement pipe, measurement pipe shell, converter, coil, electrode and water-output flange, described water-in flange is located at measurement pipe one end, water-output flange is located at the measurement pipe other end, described converter is installed in measurement pipe shell, the coil and electrode are arranged in measurement pipe, and in measurement pipe shell, also include straight pipe, described straight pipe is connected between water-in flange and measurement pipe, so reliability come the mean flow rate in stably measured tube section can be solved by straight pipe low, stability is poor, certainty of measurement problem not high.
Description
Technical field
The present invention relates to a kind of flowmeter, especially a kind of electromagnetic flowmeter.
Background technology
With the continuous improvement of industrial automation level, it is necessary to in various pipes in industrial processes
Flow, the flow velocity of fluid are accurately measured and controlled, meanwhile, be further carry out energy-conservation, emission reduction,
The items such as consumption reduction, environmental protection work, and the importance of flow measurement also seems and becomes increasingly conspicuous.
Existing electromagnetic flowmeter, including water-in flange, measurement pipe, measurement pipe shell, converter, coil,
Electrode and water-output flange, described water-in flange are located at measurement pipe one end, and it is another that water-output flange is located at measurement pipe
End, described converter is installed in measurement pipe shell, and the coil and electrode are arranged in measurement pipe, and
In measurement pipe shell.The general principle of this electromagnetic flowmeter is Faraday's electromagnetic induction law, i.e.,
Conductor during cutting magnetic line movement, induced electromotive force is produced at its two ends in magnetic field.Conductive liquid is hanging down
Produced directly in the non magnetic measurement Bottomhole pressure in magnetic field, on the direction vertical to flow direction proportional with flow
Induced potential, the direction of electromotive force presses " not carrying out bright right hand rule ", and its value is：
E=KBVD；
E：Induced electromotive force；
B：Magnetic induction intensity；
V：Mean flow rate in measurement tube section；
D：The internal diameter of measurement pipe；
K：Instrument constant, K=4KB/ π D.
Existing flowrate measuring tool is fallen short of or crooked pipeline due to the pipeline that measurement pipe is connected, and makes measurement pipe
In pressure it is uneven so that existing flowrate measuring tool generally existing reliability is low, stability is poor, survey
Accuracy of measurement problem not high, especially in the volume flow of conduction liquid and slurries in measuring the pipeline closed, its
Defect in structure design is more obvious.
The content of the invention
One kind is provided the invention aims to solve above-mentioned the deficiencies in the prior art can effectively ensure measurement
The electromagnetic flowmeter with straight pipe of precision.
To achieve these goals, the present invention designed by electromagnetic flowmeter, including water-in flange, measurement pipe,
Measurement pipe shell, converter, coil, electrode and water-output flange, described water-in flange are located at measurement pipe one
End, water-output flange is located at the measurement pipe other end, and described converter is installed in measurement pipe shell, the line
Circle and electrode are arranged in measurement pipe, and in measurement pipe shell, also including straight pipe, described is straight-through
Pipe is connected between water-in flange and measurement pipe, and the tube surfaces of described measurement pipe are provided with scale strip, institute
The range for stating scale strip is 0-100.
The electromagnetic flowmeter with straight pipe that the present invention is obtained, including straight pipe, described straight pipe are connected to
Between water-in flange and measurement pipe, straight pipe can play a part of a current stabilization, can make to enter measurement pipe
Preceding rate of flow of fluid is more stable, so that it is guaranteed that certainty of measurement；Therefore, the electromagnetic flowmeter that the present invention is obtained
Reliability in the prior art can be solved come the mean flow rate in stably measured tube section by straight pipe low, surely
Qualitative difference, certainty of measurement problem not high.
As preferred：Described straight-through length of tube is more than the measurement pipe, can so make arrival measurement pipe average
Flow velocity is more stablized.
As preferred：Described straight pipe, water-in flange, water-output flange and measurement pipe are integral type structure；
Measurement pipe week be provided with two spaced protruding circular rings, also including one with two protruding circular ring phases
The sleeve pipe of matching, described two annulus and sleeve pipe constitute the measurement pipe shell, make structure more easy, grasp
Make more flexible, it is more accurate to measure.
Brief description of the drawings
Fig. 1 is the overall package figure of embodiment 1 in the present invention；
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment 1：
As shown in figure 1, the electromagnetic flowmeter with straight pipe that the present embodiment is provided, including water-in flange 1,
Measurement pipe 2, measurement pipe shell 3, converter 4, coil 5, electrode 6 and water-output flange 7, described enters
Water law blue 1 is located at the one end of measurement pipe 2, and water law blue 7 is located at the other end of measurement pipe 2, described converter 4
It is installed in measurement pipe shell 3, the coil 5 and electrode 6 are arranged in measurement pipe 2, and positioned at measurement
In pipe shell 3, also including straight pipe 8, described straight pipe 8 be connected to water-in flange 1 and measurement pipe 2 it
Between.
The described length of straight pipe 8 is more than the measurement pipe 2, can so make the mean flow of arrival measurement pipe 2
Speed is more stablized.
The electromagnetic flowmeter that the present invention is obtained, including straight pipe 8, described straight pipe 8 are connected into water law
Between blue 1 and measurement pipe 2, so can be by straight pipe 8 come the mean flow rate in the section of stably measured pipe 2
Low to solve reliability, stability is poor, certainty of measurement problem not high.
Specific embodiment described herein is only to design explanation for example of the invention.Institute of the present invention
Category those skilled in the art described specific embodiment can be made it is various modification or supplement or
Substituted using similar mode, but without departing from spirit of the invention or surmount appended claims institute
The scope of definition.
Claims (3)
1. a kind of electromagnetic flowmeter, including water-in flange, measurement pipe, measurement pipe shell, converter,
Coil, electrode and water-output flange, it is characterized in that：Described water-in flange is located at measurement pipe one end, water outlet
Flange is located at the measurement pipe other end, and described converter is installed in measurement pipe shell, the coil and electricity
Pole be arranged on measurement pipe on, and positioned at measurement pipe shell in, described straight pipe be connected to water-in flange and
Between measurement pipe, the tube surfaces of described measurement pipe are provided with scale strip, and the range of the scale strip is
0-100。
2. electromagnetic flowmeter according to claim 1, it is characterized in that：Described straight pipe is provided with
Aerator.
3. electromagnetic flowmeter according to claim 1, it is characterized in that：Described straight pipe, enter
Water law is blue, water-output flange and measurement pipe are integral type structure；Two intervals are provided with measurement pipe week to set
The protruding circular ring put, also including a sleeve pipe matched with two protruding circular rings, described two annulus and
Sleeve pipe constitutes the measurement pipe shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867416.8A CN106813733A (en) | 2015-11-27 | 2015-11-27 | A kind of electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867416.8A CN106813733A (en) | 2015-11-27 | 2015-11-27 | A kind of electromagnetic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106813733A true CN106813733A (en) | 2017-06-09 |
Family
ID=59108131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510867416.8A Pending CN106813733A (en) | 2015-11-27 | 2015-11-27 | A kind of electromagnetic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106813733A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932859A (en) * | 2021-10-19 | 2022-01-14 | 大庆市镁龙测控技术有限公司 | Intelligent flowmeter with wide and adjustable measurement range |
-
2015
- 2015-11-27 CN CN201510867416.8A patent/CN106813733A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932859A (en) * | 2021-10-19 | 2022-01-14 | 大庆市镁龙测控技术有限公司 | Intelligent flowmeter with wide and adjustable measurement range |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170609 |