CN202903253U - Novel electromagnetic flow meter - Google Patents

Novel electromagnetic flow meter Download PDF

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Publication number
CN202903253U
CN202903253U CN 201220594334 CN201220594334U CN202903253U CN 202903253 U CN202903253 U CN 202903253U CN 201220594334 CN201220594334 CN 201220594334 CN 201220594334 U CN201220594334 U CN 201220594334U CN 202903253 U CN202903253 U CN 202903253U
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CN
China
Prior art keywords
electromagnetic flowmeter
circuit board
new electromagnetic
component
board functional
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.)
Active
Application number
CN 201220594334
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Chinese (zh)
Inventor
王圣斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI FINE ELECTRONIC CO Ltd
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SHANGHAI FINE ELECTRONIC CO Ltd
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Priority to CN 201220594334 priority Critical patent/CN202903253U/en
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Publication of CN202903253U publication Critical patent/CN202903253U/en
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Abstract

The utility model provides a novel electromagnetic flow meter comprising a mounting component, an electromagnetic sensing device, a circuit board functional component and a wiring box component, wherein the mounting component is used for mounting the novel electromagnetic flow meter, the electromagnetic sensing device is used for sensing flow, and the circuit board functional component is used for processing signals. The electromagnetic sensing device is arranged in the mounting component and is electrically connected with the circuit board functional component, the circuit board functional component is held and isolated in the wiring box component, and the mounting component is connected with the wiring box component through a support. Flow is computed by means of electromagnetic sensing law and sensed electromotive force generated by the electromagnetic sensing device. Material selection is reasonable, the international advanced single chip microcomputer and surface-mounted technology is adopted, and the novel electromagnetic flow meter is accurate in metering and resistant to corrosion and abrasion, can meter bidirectionally, adopts a grounding electrode structure, is guaranteed to be implemented by being limited on the surface of a balance electrode during metering, and can well eliminate interference of electrical noise.

Description

A kind of New Electromagnetic Flowmeter
Technical field
The utility model relates to electric conductor flow measuring technology, more particularly relates to a kind of novel electromagnetic flow-measurement device.
Background technology
Electromagnetic flowmeter is a kind of instrument of measurement volumes flow, the image that the measurement of flow is not changed by density, viscosity, temperature, pressure and the conductance of fluid, and sensor sensing voltage signal and mean flow rate are linear, and measuring accuracy is high.Traditional electromagnetic flowmeter does not adopt ground-electrode, can not well eliminate the image of electrical noise, and can not guarantee reliably sensor ground connection after pipeline wears out and gets rusty, and measuring accuracy also can descend.Traditional electromagnetic flowmeter is owing to the selection defective of production technology and material, and its performance often can not be reliable lastingly.Fluid measurement industry urgent need is a kind of at present can long-term work measure accurate electromagnetic flowmeter.
Summary of the invention
In order to address the above problem, a kind of New Electromagnetic Flowmeter that the utility model provides, comprise for the installation component that this New Electromagnetic Flowmeter is installed, be used for sensed flow the electromagnetism sensing apparatus, put the line case assembly for the treatment of the circuit board functional module and of signal, described electromagnetism sensing apparatus is arranged in the described installation component and with described circuit board functional module and is electrically connected, the described line case assembly of putting holds and isolates described circuit board functional module, and described installation component is connected with the described line case assembly of putting by a support.
Preferably, described electromagnetism sensing apparatus comprises a coil, a plurality of probe, probe stationary pipes and an internal lining pipe, and described probe fixedly pipe box described coil, and described coil is overlapping described internal lining pipe, and described probe is fixed on the described probe stationary pipes.
Preferably, described internal lining pipe inside is provided with a pair of or the two pairs of potential electrode, a pair of ground-electrode.
Preferably, described circuit board functional module comprises that one is used for converting the electrical signal to the converter and of flow information for the interface of communicating by letter with the external world.
Preferably, described electric signal comprises electric signal and the living electric signal of reverse flow volume production that the positive flow volume production is given birth to.
Preferably, the described line case assembly of putting comprises a terminal box body and is located at the terminal box end cap at described terminal box body two ends by screw thread that described terminal box body surface is provided with an outlet joint.
Preferably, described installation component comprises a table body assembly and the flange that is connected to described table body assembly two ends, and described flange is provided with flange gasket, and described table body assembly is hollow columnar structures.
The utlity model has following beneficial effect:
Its selection of the utility model is reasonable, international state-of-the-art single-chip microcomputer and surface mounting technology have been adopted, measure accurately, can be corrosion-resistant and wear-resistant, and can bidirectional measurement, simultaneously adopt again grounding electrode structure, guarantee in measuring process, to be limited in the counter electrode surface and carry out, well eliminate the interference of electrical noise.
Description of drawings
The structural representation of the New Electromagnetic Flowmeter that Fig. 1 provides for the utility model.
Embodiment
The New Electromagnetic Flowmeter that the utility model provides, it comprise for the installation component that this New Electromagnetic Flowmeter is installed, be used for sensed flow the electromagnetism sensing apparatus, put the line case assembly for the treatment of the circuit board functional module and of signal, described electromagnetism sensing apparatus is arranged in the described installation component and with described circuit board functional module and is electrically connected, the described line case assembly of putting holds and isolates described circuit board functional module, and described installation component is connected with the described line case assembly of putting.
In the present embodiment installation component be connected the line case assembly and connect by hexagon socket head cap screw 8.
In the present embodiment, described electromagnetism sensing apparatus comprises coil 2, a plurality of probe 3, probe stationary pipes 4 and internal lining pipe 1, probe stationary pipes 4 is being overlapped coil 2, coil 2 is overlapping internal lining pipe 1, probe 3 is fixed on the probe stationary pipes 4, internal lining pipe 1 inside is provided with a pair of or the two pairs of potential electrode, a pair of ground-electrode, adopts two pairs of potential electrode, a pair of ground-electrode more than DN450, adopts a pair of potential electrode, a pair of ground-electrode at DN25-DN450;
In certain embodiments, circuit board functional module 10 comprises that one is used for change the converter and that changes the electric signal dress into flow information and is used for interface with external communication, and described electric signal comprises electric signal that the positive flow volume production is given birth to and the electric signal of backward current generation; Put the line case assembly and comprise terminal box body 11 and be located at the terminal box end cap 9 at terminal box body 11 two ends by screw thread, terminal box body 11 surfaces are provided with outlet joint 13, and outlet joint 13 is provided with packing ring 12 with terminal box body 11 mounting interface places; Installation component comprises table body assembly 7 and the flange 5 that is connected to table body assembly 7 two ends, and flange 5 is provided with flange gasket 6, and table body assembly 7 is hollow columnar structures.
Mounting means:
Before the installation, select corresponding electrode structure according to the bore of pipe laying, more than DN450, just adopt two pairs of potential electrode, a pair of ground-electrode, adopt a pair of potential electrode, a pair of ground-electrode at DN25-DN450; Select suitable power supply according to installation environment, the utility model can be selected 220VAC, 24DC or 3.6V lithium battery, by the flange that is fit to pipeline this flowmeter is installed on the pipeline; The exportable 4-20mA electric current of the utility model, pulse output, RS485Hart, Profibus-DP, Modbus.
Its selection of the utility model is reasonable, international state-of-the-art single-chip microcomputer and surface mounting technology have been adopted, measure accurately, can be corrosion-resistant and wear-resistant, and can bidirectional measurement, simultaneously adopt again grounding electrode structure, guarantee in measuring process, to be limited in the counter electrode surface and carry out, well eliminate the interference of electrical noise.
Above embodiment only is used for illustrating content of the present utility model, and except above-mentioned embodiment, the utility model also has other embodiment, and all employings are equal to replaces or technical scheme that the equivalent deformation mode forms all drops in the protection domain of the present utility model.

Claims (7)

1. New Electromagnetic Flowmeter, it is characterized in that, comprise for the installation component that this New Electromagnetic Flowmeter is installed, be used for sensed flow the electromagnetism sensing apparatus, put the line case assembly for the treatment of the circuit board functional module and of signal, described electromagnetism sensing apparatus is arranged in the described installation component and with described circuit board functional module and is electrically connected, the described line case assembly of putting holds and isolates described circuit board functional module, and described installation component is connected with the described line case assembly of putting by a support.
2. New Electromagnetic Flowmeter as claimed in claim 1, it is characterized in that, described electromagnetism sensing apparatus comprises a coil, a plurality of probe, probe stationary pipes and an internal lining pipe, described probe fixedly pipe box described coil, described coil is overlapping described internal lining pipe, and described probe is fixed on the described probe stationary pipes.
3. New Electromagnetic Flowmeter as claimed in claim 2 is characterized in that, described internal lining pipe inside is provided with a pair of or the two pairs of potential electrode, a pair of ground-electrode.
4. New Electromagnetic Flowmeter as claimed in claim 1 is characterized in that, described circuit board functional module comprises that one is used for converting the electrical signal to the converter and of flow information for the interface of communicating by letter with the external world.
5. New Electromagnetic Flowmeter as claimed in claim 4 is characterized in that, described electric signal comprises electric signal and the living electric signal of reverse flow volume production that the positive flow volume production is given birth to.
6. New Electromagnetic Flowmeter as claimed in claim 1 is characterized in that, the described line case assembly of putting comprises a terminal box body and be located at the terminal box end cap at described terminal box body two ends by screw thread that described terminal box body surface is provided with an outlet joint.
7. New Electromagnetic Flowmeter as claimed in claim 1 is characterized in that, described installation component comprises a table body assembly and the flange that is connected to described table body assembly two ends, and described flange is provided with flange gasket, and described table body assembly is hollow columnar structures.
CN 201220594334 2012-11-13 2012-11-13 Novel electromagnetic flow meter Active CN202903253U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220594334 CN202903253U (en) 2012-11-13 2012-11-13 Novel electromagnetic flow meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220594334 CN202903253U (en) 2012-11-13 2012-11-13 Novel electromagnetic flow meter

Publications (1)

Publication Number Publication Date
CN202903253U true CN202903253U (en) 2013-04-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220594334 Active CN202903253U (en) 2012-11-13 2012-11-13 Novel electromagnetic flow meter

Country Status (1)

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CN (1) CN202903253U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105683719A (en) * 2013-10-29 2016-06-15 株式会社东芝 Electromagnetic flow meter
WO2020107467A1 (en) * 2018-11-30 2020-06-04 深圳市大疆创新科技有限公司 Electromagnetic flow meter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105683719A (en) * 2013-10-29 2016-06-15 株式会社东芝 Electromagnetic flow meter
WO2020107467A1 (en) * 2018-11-30 2020-06-04 深圳市大疆创新科技有限公司 Electromagnetic flow meter

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