CN101339060B - Heavy caliber electrical flow meter for user to send it to be checked - Google Patents
Heavy caliber electrical flow meter for user to send it to be checked Download PDFInfo
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- CN101339060B CN101339060B CN2007100433972A CN200710043397A CN101339060B CN 101339060 B CN101339060 B CN 101339060B CN 2007100433972 A CN2007100433972 A CN 2007100433972A CN 200710043397 A CN200710043397 A CN 200710043397A CN 101339060 B CN101339060 B CN 101339060B
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Abstract
A large-caliber electromagnetic flowmeter which can be submitted comprises a large-caliber measurement pipe, a measurement part and a signal processing converter; wherein, the signal processing converter is arranged on the outside of the large-caliber measurement pipe; the measurement part is arranged inside the large-caliber measurement pipe by an insertion method and is connected with the signal processing converter through a signal wire. The electromagnetic flowmeter combines the original electromagnetic flowmeter with the insertion typed electromagnetic flowmeter to form a large-caliber flowmeter. As the inside of the large-caliber pipeline is free from detection and the detected core components such as a coil are relatively small, the manufacturing cost is reduced. Meanwhile, under the circumstances of ensuring the installation of a small-caliber sensor on the measurement pipeline and keeping consistent positional direction, the measurement pipe can be inserted into the core part to be returned to the original plants or monitoring departments; the consistency of the measurement pipe section and the user measurement pipe section is identical and the detection precision can be up to more than 98 percent. The large-caliber electromagnetic flowmeter solves the online detection and submission problems of large-caliber electromagnetic flow and greatly reduces the installation and dismantling costs in submission.
Description
Technical field
The present invention relates to a kind of flowmeter, particularly relate to the user who utilizes the Faradic electricity magnetic induction principle to measure conductive fluid medium and can inspect the heavy caliber electromagnetic flowmeter by ready samples.This user can inspect the heavy caliber electromagnetic flowmeter by ready samples and can be widely used in field conducting liquid flow meterings such as industry such as oil, chemical industry, metallurgy, weaving, food, pharmacy, papermaking and environmental protection, municipal administration, water conservancy construction, river dredging.
Background technology
Electromagnetic flowmeter is based on Faraday's electromagnetic induction law, magnetic field 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, its induced voltage signal by more than two or two with liquid directly contiguously electrode detect, and after delivering to that converter is intelligent and handle by cable, realize the transient liquid flow, between demonstration of integrated flux ground and data on flows and the microsystem communication and control.Because of there not being movable member in the measuring channel, the medium of process flowmeter does not have the pressure loss, its accuracy of measurement height, and dependable performance has now arrived the user and has generally approved.But big-diameter pipeline formula electromagnetic flowmeter costs an arm and a leg, and does not generally have what way censorship, as has ready conditions when inspecting by ready samples, and its dismounting is installed, and testing cost is huge; Though formulated the online detection tentative specification of heavy caliber electromagnetic flowmeter now, its precision can only calculate there is not cogency by analyzing, and the service precision of flowmeter can't allow the user satisfied; As the use of demoting, the service precision of flowmeter can not make the user satisfied too, and online like this detection has little significance.
Existing electromagnetic flowmeter comprises duct type electromagnetic flowmeter and inserted electromagnet flow meter, referring to Fig. 1-1, Fig. 1-2 and Fig. 1-3, the duct type electromagnetic flowmeter comprises signal processing converter 1, measuring tube 6, measuring tube liner 7, goes up lower coil 5, magnetic strategic point 4, potential electrode 8, outer cover 2, left and right sides magnetic cover 3, excitation wire 14, signal wire 9, tension electrode be with nut 10, insulating mat 13, pad 12, lug plate 11 up and down, be lining in the measuring tube liner 7 in the measuring tube 6, outer cover 2 covers on outside the measuring tube 6, and signal processing converter 1 is installed on the outer cover 2 by joint flange.Last lower coil 5, the magnetic strategic point 4 up and down, potential electrode 8, left and right sides magnetic cover 3, tension electrode nut 10, insulating mat 13, pad 12, lug plate 11 all is installed in the outer cover 2, wherein 4 one-tenth bendings of magnetic strategic point are attached on measuring tube 6 outer walls up and down, last lower coil 5 also is attached on measuring tube 6 outer walls, potential electrode 8 is by insulating mat 13, pad 12 and tension electrode are installed on the tube wall of measuring tube 6 with nut 10, left and right sides magnetic cover 3 links together by securing member, to magnetic strategic point 4 up and down, on last lower coil 5 and the electrod assembly outer wall that is pressed in measuring tube 6 tightly, excitation wire 14 connections are gone up lower coil 5 and are drawn left and right sides magnetic cover 3 and outer cover 2 access signal processing converters 1, and signal wire 9 connection potential electrode 8 also draw left and right sides magnetic cover 3 and outer cover 2 inserts signal processing converters 1.
This duct type electromagnetic flowmeter is because bore when big, and its corresponding parts are all done greatlyyer, the manufacturing cost height, install, maintenance, inspect by ready samples cumbersome, the expense height; When bore is big especially, not inspect by ready samples may, can only adopt line calibration method again, the uncertain factor of detection is many, the use of can only demoting after the detection, most cases can only judge whether the ruuning situation of flowmeter normal, its calibrating do not have a practical significance.
Referring to Fig. 2-1, Fig. 2-2, inserted electromagnet flow meter comprises signal processing converter 1, set nut 16, tubular stinger 17, last joint flange 18, ball valve 19, following joint flange 20, point to bar 15, iron core 21, probe 22, potential electrode 8, coil 5 ', signal processing converter mount pad 23, tubular stinger 17 passes joint flange 18, ball valve 19, following joint flange 20, joint flange 18 is exposed at two ends respectively up and down, following joint flange 20, last joint flange 18, following joint flange 20 is installed on the ball valve 19 by securing member, downside, be provided with seal between tubular stinger 17 and the last joint flange 18, set nut 16 is spun on the joint flange 18, and joint flange 18 firmly is connected with tubular stinger 17.Signal processing converter mount pad 23 is installed in the upper end of tubular stinger 17, and signal processing converter 1 and sensing bar 15 are installed on the signal processing converter mount pad 23.Probe 22, coil 5 ', potential electrode 8 and iron core 21 be installed in the lower end of tubular stinger 17, the top of coil 5 ' be positioned at probe 22 wherein, iron core 21 be positioned at coil 5 ' the center, potential electrode 8 is installed on the probe 22 with nut 10 by the tension electrode, excitation wire 14 connecting coils 5 ' and draw tubular stinger 17 and signal processing converter mount pad 23 access signal processing converters 1, signal wire 9 connection potential electrode 8 also draw tubular stinger 17 and signal processing converter mount pad 23 inserts signal processing converters 1.Examining and determine benchmark because of the measurement of simple inserted electromagnet flow meter is to carry out in flowmeter producer, and producer is general to be detected as examining and determine benchmark with small pipeline (Φ 300～Φ 500) very, calculate upward definite its product precision of big caliber (user pipe) then, deliver to again on the user pipe perforate and with flowmeter joint flange welded and installed, each side's factor affecting such as row bit error during because of its probe orientation, insertion depth, installation, the product precision can not get guaranteeing, though censorship conveniently also faces above same problem.
Summary of the invention
Technical matters to be solved by this invention is at cost an arm and a leg censorship difficulty of heavy caliber electromagnetic flowmeter, and line detects shortcoming such as undesirable and a kind of heavy caliber electromagnetic flowmeter of inspecting by ready samples is provided again.
Technical matters to be solved by this invention can be achieved through the following technical solutions:
Can inspect the heavy caliber electromagnetic flowmeter by ready samples, comprise footpath at a gulp measuring tube, measure portion, signal processing converter, described signal processing converter is installed on the heavy caliber measuring tube and is positioned at outside the heavy caliber measuring tube, described measure portion adopts inserted mode to be installed in the heavy caliber measuring tube, and measure portion connects signal processing converter by signal wire.
In the present invention, described measure portion comprises set nut, tubular stinger, last joint flange, ball valve, following joint flange, points to bar, iron core, probe, potential electrode, coil, signal processing converter mount pad, tubular stinger passes joint flange, ball valve, following joint flange, expose respectively outside joint flange, the following joint flange at two ends up and down, and the lower end of tubular stinger is inserted in the heavy caliber measuring tube; Last joint flange, following joint flange are installed in the upper and lower side of ball valve, and the outer tube wall upper locking nut that following joint flange is fixed on the heavy caliber measuring tube is spun on the joint flange, and joint flange firmly is connected with tubular stinger; The signal processing converter mount pad is installed in the upper end of tubular stinger, signal processing converter and sensing bar are installed on the signal processing converter mount pad, described probe, coil, potential electrode and iron core are installed in the lower end of tubular stinger, wherein coil is positioned at the top of probe, iron core is positioned at the center of coil, potential electrode is installed on the probe with nut by the tension electrode, the excitation wire connecting coil is also drawn tubular stinger and signal processing converter mount pad access signal processing converter, and signal wire connection potential electrode also draws tubular stinger and the signal processing converter mount pad inserts signal processing converter.
In the present invention, described measure portion comprises little measuring tube, measuring tube liner, goes up lower coil, up and down magnetic strategic point, potential electrode, outer cover, left and right sides magnetic cover, excitation wire, signal wire, tension electrode with nut, insulating mat, pad, lug plate, lower branch line, go up arm, down connecting pipe, direction fixed pin, set nut, joint flange, go up the arm pressing plate, liner lining is in little measuring tube in the measuring tube, outer cover is fixed on outside the little measuring tube, joint flange is connected by the flange of securing member with the heavy caliber measuring tube, and signal processing converter is fixed on the joint flange; Last lower coil, magnetic strategic point up and down, potential electrode, left and right sides magnetic cover, tension electrode nut, insulating mat, pad, lug plate all is installed in the outer cover, wherein the magnetic strategic point becomes bending to be attached on the little measuring tube outer wall up and down, last lower coil also is attached on the little measuring tube outer wall, potential electrode is passed through insulating mat, pad and tension electrode are installed on the tube wall of little measuring tube with nut, left and right sides magnetic cover links together by securing member, to magnetic strategic point up and down, on last lower coil and the electrod assembly outer wall that is pressed in little measuring tube tightly, last arm and following connecting pipe and outer cover are connected as a single entity, and the upper end of last arm is crimped on the joint flange by last arm pressing plate; Lower branch line and heavy caliber measuring tube are connected as a single entity, and the upper end direction of passage fixed pin of lower branch line is connected with following connecting pipe; Set nut is spun on the upper end of described lower branch line, to prevent the shake of little measuring tube; Excitation wire connect to go up lower coil and draws left and right sides magnetic cover and outer cover inserts signal processing converter by last arm, and signal wire connects potential electrode and draws left and right sides magnetic cover and outer cover inserts signal processing converter by last arm.
In order to make the liquid in the little measuring tube of flowing through not produce fluctuation, be provided with one section shaping mozzle at little measuring tube front end.
Described mozzle is straight pipe or is reducer pipe.When mozzle adopts reducer pipe, can reduce the flow measurement lower limit during detection, improve the measuring accuracy of flowmeter.
The heavy caliber electromagnetic flowmeter of inspecting by ready samples of the present invention is that former electromagnetic flowmeter and inserted electromagnet flow meter are combined, and small-bore flowmeter is inserted and secured in the large diameter pipeline, forms heavy caliber flowing meter.Because of the core component coil that need not and detect in the large diameter pipeline etc. corresponding smaller, reduced manufacturing cost, guaranteeing that small-bore sensor is installed on the measuring channel equally, under the situation that locality is consistent, be inserted into the core and return former factory or monitoring department, it is identical with the consistance that the user measures pipeline section only to measure pipeline section by it, on its homogeny and interchangeability, test by comparative repeatedly, its accuracy of detection unitarity reaches more than 98%, can solve heavy caliber Electromagnetic Flow a line detection and a censorship difficult problem again, and greatly reduce the installation and removal expense in the censorship.
Description of drawings
Fig. 1-1 is the existing general structural representation of duct type electromagnetic flowmeter.
Fig. 1-2 is the cut-open view of existing duct type electromagnetic flowmeter.
Fig. 1-3 is the A place enlarged diagram of Fig. 1-1.
Fig. 2-1 is the general structural representation of existing inserted electromagnet flow meter.
Fig. 2-2 is the A-A cut-open view of Fig. 2-1.
Fig. 3-1 is the structural representation of the embodiment of the invention 1.
Fig. 3-2 is the cut-open view of Fig. 3-1.
Fig. 4-1 is the structural representation of the embodiment of the invention 2.
Fig. 4-2 is the A place enlarged diagram of Fig. 4-1.
Fig. 4-3 is the C-C cut-open view of Fig. 4-2.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Can inspect the heavy caliber electromagnetic flowmeter by ready samples, comprise footpath at a gulp measuring tube 6 ', measure portion, signal processing converter 1, concrete structure has following two kinds of embodiment.
Its measure portion comprises set nut 16, tubular stinger 17, goes up joint flange 18, ball valve 19, down joint flange 20, point to bar 15, iron core 21, probe 22, potential electrode 8, coil 5 ', signal processing converter mount pad 23, tubular stinger 17 passes joint flange 18, ball valve 19, following joint flange 20, up and down two ends expose joint flange 18 respectively, down outside the joint flange 20, the lower end of tubular stinger 17 be inserted into heavy caliber measuring tube 6 ' in; Last joint flange 18, following joint flange 20 are installed in the upper and lower side of ball valve 19, following joint flange 20 be fixed on heavy caliber measuring tube 6 ' outer tube wall on, set nut 16 is spun on the joint flange 18, and joint flange 18 firmly is connected with tubular stinger 17; Signal processing converter mount pad 23 is installed in the upper end of tubular stinger 17, signal processing converter 1 and sensing bar 15 are installed on the signal processing converter mount pad 23, probe 22, coil 5 ', potential electrode 8 and iron core 21 are installed in the lower end of tubular stinger 17, the top of coil 5 ' be positioned at probe 22 wherein, iron core 21 be positioned at coil 5 ' the center, potential electrode 8 is installed on the probe 22 with nut 10 by the tension electrode, excitation wire 14 connecting coils 5 ' and draw tubular stinger 17 and signal processing converter mount pad 23 access signal processing converters 1, signal wire 9 connection potential electrode 8 also draw tubular stinger 17 and signal processing converter mount pad 23 inserts signal processing converters 1.
Present embodiment will splice on duct type electromagnetic flowmeter and the inserted electromagnet flow meter structure, just heavy caliber measuring tube 6 of the inserted electromagnet flow meter shown in Fig. 2-1 and Fig. 2-2 design '.
Measure portion comprises little measuring tube 6 "; measuring tube liner 7; go up lower coil 5; the magnetic strategic point 4 up and down; potential electrode 8; outer cover 2, left and right sides magnetic cover 3, excitation wire 14, signal wire 9, tension electrode nut 10, insulating mat 13, pad 12, lug plate 11, lower branch line 24, last arm 25, following connecting pipe 28, direction fixed pin 26, set nut 24, joint flange 29 ', last arm pressing plate 30, be lining in little measuring tube 6 in the measuring tube liner 7 " in; outer cover 2 is fixed on little measuring tube 6 " outside, joint flange 29 ' by securing member and heavy caliber measuring tube 6 " flange 31 be connected, signal processing converter 1 be fixed on joint flange 29 ' on; Last lower coil 5, the magnetic strategic point 4 up and down, potential electrode 8, left and right sides magnetic cover 3, tension electrode nut 10, insulating mat 13, pad 12, lug plate 11 all is installed in the outer cover 2, wherein 4 one-tenth bendings of magnetic strategic point are attached to little measuring tube 6 up and down " on the outer wall; go up lower coil 5 and also be attached to little measuring tube 6 " on the outer wall, potential electrode 8 is by insulating mat 13, pad 12 and tension electrode are installed in little measuring tube 6 with nut 10 " tube wall on; left and right sides magnetic cover 3 links together by securing member; magnetic strategic point 4 up and down; upward lower coil 5 and electrod assembly tightly be pressed in little measuring tube 6 " outer wall on, last arm 25 and following connecting pipe 28 and outer cover 2 are connected as a single entity, the upper end of last arm 25 by last arm pressing plate 30 be crimped on joint flange 29 ' on; Lower branch line 24 and heavy caliber measuring tube 6 ' be connected as a single entity, the upper end direction of passage fixed pin 26 of lower branch line 24 is connected with following connecting pipe 28; Set nut 27 is spun on the upper end of lower branch line 24, to prevent little measuring tube 6 " shake; Excitation wire 14 connects and goes up lower coil 5 and draw left and right sides magnetic cover 3 and outer cover 2 inserts signal processing converters 1 by last arm 25, and signal wire 9 connects potential electrode 8 by lug plate 11 and draws left and right sides magnetic cover 3 and outer cover 2 inserts signal processing converters 1 by last arm 25.
" front end is provided with one section shaping mozzle 32 in order to make the liquid in the little measuring tube of flowing through not produce fluctuation, at little measuring tube 6.Mozzle 32 is for leading directly to tubular or being reducer pipe.When mozzle 32 adopts reducer pipe, can reduce the flow measurement lower limit during detection, improve the measuring accuracy of flowmeter.
Inspected by ready samples the heavy caliber electromagnetic flowmeter of present embodiment, the core component of its detection (sensor) is smaller, can easily its extraction be returned the censorship of former factory or detection department, guarantee on the consistance basis of user and detection pipeline section, made a large amount of commutativitys, comparative tests, its accuracy of detection unitarity reaches more than 98%, reduced the manufacturing cost expense of large diameter pipeline formula electromagnetic flowmeter, the user no longer worries the precision problem that line detects again, as long as formulate the uniform requirement that standard code detects pipeline section, just can realize heavy caliber censorship global problem very easily, reduce the accuracy error that exists between detecting and installing.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. can inspect the heavy caliber electromagnetic flowmeter by ready samples, it is characterized in that, comprise footpath at a gulp measuring tube, measure portion, signal processing converter, described signal processing converter is installed on the heavy caliber measuring tube and is positioned at outside the heavy caliber measuring tube, described measure portion adopts inserted mode to be installed in the heavy caliber measuring tube, and measure portion connects signal processing converter by signal wire; Described measure portion comprises set nut, tubular stinger, last joint flange, ball valve, following joint flange, points to bar, iron core, probe, potential electrode, coil, signal processing converter mount pad, tubular stinger passes joint flange, ball valve, following joint flange, expose respectively outside joint flange, the following joint flange at two ends up and down, and the lower end of tubular stinger is inserted in the heavy caliber measuring tube; Last joint flange, following joint flange are installed in the upper and lower side of ball valve, and following joint flange is fixed on the outer tube wall of heavy caliber measuring tube, and set nut is spun on the joint flange, and joint flange firmly is connected with tubular stinger; The signal processing converter mount pad is installed in the upper end of tubular stinger, signal processing converter and sensing bar are installed on the signal processing converter mount pad, described probe, coil, potential electrode and iron core are installed in the lower end of tubular stinger, wherein coil is positioned at the top of probe, iron core is positioned at the center of coil, potential electrode is installed on the probe with nut by the tension electrode, the excitation wire connecting coil is also drawn tubular stinger and signal processing converter mount pad access signal processing converter, and signal wire connection potential electrode also draws tubular stinger and the signal processing converter mount pad inserts signal processing converter.
2. can inspect the heavy caliber electromagnetic flowmeter by ready samples, it is characterized in that, comprise footpath at a gulp measuring tube, measure portion, signal processing converter, described signal processing converter is installed on the heavy caliber measuring tube and is positioned at outside the heavy caliber measuring tube, described measure portion adopts inserted mode to be installed in the heavy caliber measuring tube, and measure portion connects signal processing converter by signal wire; Described measure portion comprises little measuring tube, measuring tube liner, goes up lower coil, up and down magnetic strategic point, potential electrode, outer cover, left and right sides magnetic cover, excitation wire, signal wire, tension electrode with nut, insulating mat, pad, lug plate, lower branch line, go up arm, down connecting pipe, direction fixed pin, set nut, joint flange, go up the arm pressing plate, liner lining is in little measuring tube in the measuring tube, outer cover is fixed on outside the little measuring tube, joint flange is connected by the flange of securing member with the heavy caliber measuring tube, and signal processing converter is fixed on the joint flange; Last lower coil, magnetic strategic point up and down, potential electrode, left and right sides magnetic cover, tension electrode nut, insulating mat, pad, lug plate all is installed in the outer cover, wherein the magnetic strategic point becomes bending to be attached on the little measuring tube outer wall up and down, last lower coil also is attached on the little measuring tube outer wall, potential electrode is passed through insulating mat, pad and tension electrode are installed on the tube wall of little measuring tube with nut, left and right sides magnetic cover links together by securing member, to magnetic strategic point up and down, on last lower coil and the electrod assembly outer wall that is pressed in little measuring tube tightly, last arm and following connecting pipe and outer cover are connected as a single entity, and the upper end of last arm is crimped on the joint flange by last arm pressing plate; Lower branch line and heavy caliber measuring tube are connected as a single entity, and the upper end direction of passage fixed pin of lower branch line is connected with following connecting pipe; Set nut is spun on the upper end of described lower branch line; Excitation wire connect to go up lower coil and draws left and right sides magnetic cover and outer cover inserts signal processing converter by last arm, and signal wire connects potential electrode and draws left and right sides magnetic cover and outer cover inserts signal processing converter by last arm.
3. according to the described heavy caliber electromagnetic flowmeter of inspecting by ready samples of claim 2, it is characterized in that, be provided with one section shaping mozzle at described little measuring tube front end.
4. according to the described heavy caliber electromagnetic flowmeter of inspecting by ready samples of claim 3, it is characterized in that described mozzle is a straight pipe.
5. according to the described heavy caliber electromagnetic flowmeter of inspecting by ready samples of claim 3, it is characterized in that described mozzle is a reducer pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100433972A CN101339060B (en) | 2007-07-03 | 2007-07-03 | Heavy caliber electrical flow meter for user to send it to be checked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100433972A CN101339060B (en) | 2007-07-03 | 2007-07-03 | Heavy caliber electrical flow meter for user to send it to be checked |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101339060A CN101339060A (en) | 2009-01-07 |
| CN101339060B true CN101339060B (en) | 2010-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100433972A Active CN101339060B (en) | 2007-07-03 | 2007-07-03 | Heavy caliber electrical flow meter for user to send it to be checked |
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| Country | Link |
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| CN (1) | CN101339060B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3732446A4 (en) * | 2017-12-28 | 2021-10-20 | Onicon Incorporated | Scalable monolithic sensor assembly, controller, and methods of making and installing same |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840356B (en) * | 2012-08-23 | 2013-11-13 | 杭州云谷科技有限公司 | Electromagnetic flow measurement and control integrated device |
| CN102840357B (en) * | 2012-08-23 | 2013-11-13 | 杭州云谷科技有限公司 | Flow measurement and control integrated device |
| CN104154960A (en) * | 2014-08-01 | 2014-11-19 | 衢州市鼎盛化工科技有限公司 | Hall-effect large-diameter pipeline flowmeter |
| CN104296812A (en) * | 2014-10-29 | 2015-01-21 | 浙江奥新仪表有限公司 | Right-angle high-pressure electromagnetic flow meter |
| CN105606169A (en) * | 2016-01-28 | 2016-05-25 | 江苏润东仪表科技有限公司 | Environment-friendly high-precision electromagnetic flowmeter |
| CN110440047A (en) * | 2019-08-15 | 2019-11-12 | 武汉格莱特控制阀有限公司 | A kind of flow measurement control integrated electric valve |
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| 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 |
| CN1460175A (en) * | 2001-02-06 | 2003-12-03 | 埃尔斯特计量有限公司 | Flowmeter |
| CN201081747Y (en) * | 2007-07-03 | 2008-07-02 | 上海星空自动化仪表有限公司 | Electromagnetic flow meter |
-
2007
- 2007-07-03 CN CN2007100433972A patent/CN101339060B/en active Active
Patent Citations (3)
| 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 |
| CN1460175A (en) * | 2001-02-06 | 2003-12-03 | 埃尔斯特计量有限公司 | Flowmeter |
| CN201081747Y (en) * | 2007-07-03 | 2008-07-02 | 上海星空自动化仪表有限公司 | Electromagnetic flow meter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3732446A4 (en) * | 2017-12-28 | 2021-10-20 | Onicon Incorporated | Scalable monolithic sensor assembly, controller, and methods of making and installing same |
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| CN101339060A (en) | 2009-01-07 |
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