CN202393435U - Electromagnetic flow meter - Google Patents
Electromagnetic flow meter Download PDFInfo
- Publication number
- CN202393435U CN202393435U CN2011204492280U CN201120449228U CN202393435U CN 202393435 U CN202393435 U CN 202393435U CN 2011204492280 U CN2011204492280 U CN 2011204492280U CN 201120449228 U CN201120449228 U CN 201120449228U CN 202393435 U CN202393435 U CN 202393435U
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- circuit
- electromagnetic flow
- electromagnetic
- flow meter
- metering
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Abstract
An electromagnetic flow meter comprises an electromagnetic flow sensor, a measuring circuit, a display screen, a regulating circuit, a driving circuit and a power circuit. One branch of the power circuit is connected with an excitation coil of the electromagnetic flow sensor through the regulating circuit and the driving circuit, the other branch of the power circuit is connected with the measuring circuit, an input end of the measuring circuit is connected with an electrode of the electromagnetic flow sensor, and an output end of the measuring circuit is connected with the display screen. Compared with the prior art, the electromagnetic flow meter has the advantages of simple structure, convenience in use, low cost and capability of adjusting magnetic field intensity aiming at various liquid in use, and measuring precision of the electromagnetic flow meter is greatly improved.
Description
Technical field
The utility model relates to a kind of flowmeter, is specifically related to a kind of electromagnetic flowmeter.
Background technology
Electromagnetic flowmeter is based on faraday's principle law of electromagnetic induction.Magnetic field promptly is set around conducting liquid; When conducting liquid in magnetic field during cutting magnetic line; Produce the induced potential that is directly proportional with the liquid mean flow rate; Induced voltage signal is through detecting with the liquid electrodes in contact more than two or two, and after delivering to that converter is intelligent and handle through cable, realizes the demonstration of liquid flow, integrated flux during moment and communication and the control between data on flows and the microsystem.At present, the design of existing electromagnetic flowmeter only has the branch of DC excitation or AC excitation, and does not have the strength control of design to excitation, can't regulate magnetic field intensity to various liquid in the use, thereby can't guarantee the accurate of its measurement.
The utility model content
The purpose of the utility model is exactly the defective that exists to prior art, provide a kind of simple in structure, easy to use, can regulate the electromagnetic flowmeter of magnetic field intensity according to kind of liquid.
Its technical scheme is: comprise electromagnetic flow transducer, metering circuit, display screen, regulating circuit, driving circuit and power circuit.Said power circuit is leaded up to regulating circuit and driving circuit and is connected with the field coil of electromagnetic flow transducer; Another road is connected with metering circuit; The input end of metering circuit is connected with the electrode of electromagnetic flow transducer, and the output terminal of metering circuit is connected with display screen.
Wherein, said regulating circuit is the pulse height regulating circuit.Said metering circuit is a tension measuring circuit.Said power circuit is the stabilized voltage supply that two-way output is arranged.
The utility model has advantage simple in structure, easy to use, with low cost, as can to regulate magnetic field intensity when using to various liquid compared with prior art, and the degree of accuracy of its measurement improves greatly.
Description of drawings
Fig. 1 is the circuit structure block scheme of a kind of embodiment of the utility model.
Embodiment
With reference to Fig. 1, a kind of electromagnetic flowmeter comprises electromagnetic flow transducer 1, metering circuit 3, display screen 5, regulating circuit 4, driving circuit 2 and power circuit 6.Said power circuit 6 is leaded up to regulating circuit 4 and driving circuit 2 and is connected with the field coil of electromagnetic flow transducer 1; Another road is connected with metering circuit 3; The input end of metering circuit 3 is connected with the electrode of electromagnetic flow transducer 1, and the output terminal of metering circuit 3 is connected with display screen 5.
Wherein, said regulating circuit 4 is the pulse height regulating circuit.Said metering circuit 3 is a tension measuring circuit.Said power circuit 6 is for there being the stabilized voltage supply of two-way output.
Claims (4)
1. electromagnetic flowmeter; Comprise electromagnetic flow transducer, metering circuit, display screen, regulating circuit, driving circuit and power circuit; It is characterized in that: said power circuit is leaded up to regulating circuit and driving circuit and is connected with the field coil of electromagnetic flow transducer; Another road is connected with metering circuit, and the input end of metering circuit is connected with the electrode of electromagnetic flow transducer, and the output terminal of metering circuit is connected with display screen.
2. electromagnetic flowmeter according to claim 1 is characterized in that: said regulating circuit is the pulse height regulating circuit.
3. electromagnetic flowmeter according to claim 1 is characterized in that: said metering circuit is a tension measuring circuit.
4. electromagnetic flowmeter according to claim 1 is characterized in that: said power circuit is the stabilized voltage supply that two-way output is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204492280U CN202393435U (en) | 2011-11-15 | 2011-11-15 | Electromagnetic flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204492280U CN202393435U (en) | 2011-11-15 | 2011-11-15 | Electromagnetic flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393435U true CN202393435U (en) | 2012-08-22 |
Family
ID=46668351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204492280U Expired - Fee Related CN202393435U (en) | 2011-11-15 | 2011-11-15 | Electromagnetic flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202393435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547384A (en) * | 2015-12-31 | 2016-05-04 | 中国石油天然气股份有限公司 | Constantly magnetic type electromagnetic flowmeter |
-
2011
- 2011-11-15 CN CN2011204492280U patent/CN202393435U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547384A (en) * | 2015-12-31 | 2016-05-04 | 中国石油天然气股份有限公司 | Constantly magnetic type electromagnetic flowmeter |
| CN105547384B (en) * | 2015-12-31 | 2019-03-15 | 中国石油天然气股份有限公司 | A kind of constant magnetic electromagnetic flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20201115 |