CN113932858A - Electromagnetic flowmeter with compact structure - Google Patents
Electromagnetic flowmeter with compact structure Download PDFInfo
- Publication number
- CN113932858A CN113932858A CN202111053333.7A CN202111053333A CN113932858A CN 113932858 A CN113932858 A CN 113932858A CN 202111053333 A CN202111053333 A CN 202111053333A CN 113932858 A CN113932858 A CN 113932858A
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- CN
- China
- Prior art keywords
- shell
- wall
- push rod
- heat exchange
- pipe
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000001125 extrusion Methods 0.000 claims description 12
- 244000309464 bull Species 0.000 claims description 6
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 4
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 4
- 229920002530 polyetherether ketone Polymers 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 241000883990 Flabellum Species 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000110 cooling liquid Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- G01F1/584—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 constructions of electrodes, accessories therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses an electromagnetic flowmeter with a compact structure, which comprises a shell, wherein a feeding pipe and a discharging pipe are respectively arranged at two ends of the shell, the shell is internally provided with a measuring pipe, the shell is internally provided with a lining positioned at the inner side of the measuring pipe and a flange sealing surface, the shell is internally provided with an electrode, the shell is internally provided with a converter matched with the electrode, the outer wall of the shell is fixedly provided with a cooling box, the cooling box is internally provided with a squeezing chamber and a liquid storage chamber, the surface of the cooling box is provided with a plurality of radiating fins matched with the liquid storage chamber, the shell wall is internally provided with a heat exchange cavity, a heat exchange pipe is wound in the heat exchange cavity, the squeezing chamber is internally connected with a piston plate in a sealing and sliding manner, and the side wall of the piston plate is fixedly provided with a U-shaped push rod. The invention integrates the measuring tube and the converter, and integrates the electrode and the lining, so that the size of the product is reduced by many times, the whole size of the device is reduced, and the requirement of installation space is reduced.
Description
Technical Field
The invention relates to the technical field of electromagnetic flowmeters, in particular to an electromagnetic flowmeter with a compact structure.
Background
The electromagnetic flowmeter is a novel flow measuring instrument which is rapidly developed along with the development of electronic technology in the 50-60 th of the 20 th century, and the electromagnetic flowmeter is an instrument which measures the flow of a conductive fluid according to the electromotive force induced when the conductive fluid passes through an external magnetic field by applying the electromagnetic induction principle.
At present, the structure of a common electromagnetic flowmeter mainly comprises a magnetic circuit system, a measuring conduit, an electrode, a shell, a lining, a converter and the like, and the electromagnetic flowmeter needs to measure various structures such as a pipeline, the electrode, the shell, the lining, the converter and the like, so that the size is overlarge, and the installation space is excessively large.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an electromagnetic flowmeter with a compact structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electromagnetic flowmeter with a compact structure comprises a shell, wherein a feeding pipe and a discharging pipe are respectively arranged at two ends of the shell, a measuring pipe is arranged in the shell, a lining which is positioned on the inner side of the measuring pipe and a flange sealing surface is arranged in the shell, an electrode is arranged in the shell, a converter matched with the electrode is arranged in the shell, a cooling box is fixed on the outer wall of the shell, a squeezing chamber and a liquid storage chamber are arranged in the cooling box, a plurality of radiating fins matched with the liquid storage chamber are arranged on the surface of the cooling box, a heat exchange cavity is arranged in the wall of the shell, a heat exchange pipe is wound in the heat exchange cavity, a piston plate is connected in the squeezing chamber in a sealing and sliding manner, a U-shaped push rod is fixed on the side wall of the piston plate, the U-shaped push rod is connected with the squeezing chamber through an elastic mechanism, a rotating rod is rotatably connected in the feeding pipe, a plurality of fan blades are fixed on the outer wall of the rotating rod, the upper end of the rotating rod penetrates through the upper wall of the feeding pipe, the upper end of the rotating rod extends to the upper part of the feeding pipe, and the U-shaped push rod is connected with the rotating rod through a movable mechanism.
Preferably, the elastic mechanism comprises a spring sleeved on the outer wall of the U-shaped push rod, the upper end of the spring is fixedly connected with the side wall of the piston plate, the tail end of the spring is elastically connected with the inner wall of the extrusion chamber, and a movable opening matched with the U-shaped push rod is arranged on the cooling box.
Preferably, the movable mechanism comprises a cam fixed on the outer wall of the rotating rod, the U-shaped push rod is parallel to the cam, and a push groove matched with the cam is formed in the side wall of the U-shaped push rod.
Preferably, the measurement tube is integrated with the transducer, and the electrodes and liner are an integrated process.
Preferably, the shell, the measuring tube and the electrodes are 361L stainless steel, and the lining is made of PEEK.
Preferably, the surface of the shell is provided with a display screen, and the display screen is a TFT display screen.
Preferably, the liquid inlet end of the heat exchange tube extends into the extrusion chamber, and a liquid inlet one-way valve is arranged in the liquid inlet end of the heat exchange tube.
Preferably, the squeezing chamber is connected with the liquid storage chamber through an externally leaking circulating pipe, and a liquid inlet one-way valve is arranged in the circulating pipe.
The invention has the beneficial effects that:
1. by integrating the measuring tube and the transducer and integrating the electrode and the lining, the size of the product is reduced by many times, the whole size of the device is reduced, and the requirement of installation space is reduced.
2. Through setting up elastic mechanism and moving mechanism, thereby the liquid circulation can drive the flabellum and make the bull stick rotate to utilize cam extrusion U-shaped push rod to drive the piston plate and remove in the extrusion chamber, thereby in sending into the heat-exchange tube with the coolant liquid circulation, can utilize the coolant liquid to dispel the heat to the device, guarantee equipment such as display is in work under the safe temperature, guaranteed the security of device, need not to provide extra power simultaneously, also improved resource utilization.
Drawings
FIG. 1 is a schematic view of a measuring tube of a compact electromagnetic flowmeter according to the present invention;
FIG. 2 is a schematic diagram of a transducer of a compact electromagnetic flowmeter according to the present invention;
FIG. 3 is a schematic diagram of a display screen of a compact electromagnetic flowmeter according to the present invention;
FIG. 4 is a schematic diagram of a display screen of a compact electromagnetic flowmeter according to the present invention;
FIG. 5 is a schematic diagram of a display screen of a compact electromagnetic flowmeter according to the present invention;
fig. 6 is a schematic structural diagram of a display screen of a compact electromagnetic flowmeter according to the present invention.
In the figure: the device comprises a shell 1, a measuring tube 2, electrodes 3, a feeding tube 4, a discharging tube 5, a converter 6, a display screen 7, a circulating tube 8, a heat exchange tube 9, a cooling box 10, a squeezing chamber 11, a piston plate 12, a U-shaped push rod 13, a spring 14, a rotating rod 15, a cam 16, a liquid storage chamber 17, cooling fins 18 and fan blades 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a compact structure type electromagnetic flowmeter, including shell 1, shell 1 both ends are equipped with inlet pipe 4 and discharging pipe 5 respectively, be equipped with survey buret 2 in the shell 1, be equipped with the lining that is located survey buret 2 inboard and flange seal face in the shell 1, be equipped with electrode 3 in the shell 1, be equipped with in the shell 1 with electrode 3 complex converter 6, survey buret 2 and converter 6 are integrated as an organic whole, electrode 3 and lining are for integrating the technology, survey buret 2 and converter 6 and be integrated as an organic whole, and electrode 3 and lining have also been done the technology that integrates, make the size of product reduce many times, the whole size of device has been reduced, the demand of installation space has also been reduced simultaneously.
The outer wall of the shell 1 is fixed with a cooling box 10, a squeezing chamber 11 and a liquid storage chamber 17 are arranged in the cooling box 10, a plurality of cooling fins 18 matched with the liquid storage chamber 17 are arranged on the surface of the cooling box 10, and the cooling fins 18 can cool the cooling liquid in the liquid storage chamber 17.
Be equipped with the heat transfer chamber in the 1 intramural heat transfer chamber, the winding is equipped with heat exchange tube 9 in the heat transfer chamber, 11 internal seal sliding connection of extrusion chamber has piston plate 12, 12 lateral walls of piston plate are fixed with U-shaped push rod 13, U-shaped push rod 13 passes through elastic mechanism and is connected with extrusion chamber 11, elastic mechanism locates the spring 14 of U-shaped push rod 13 outer wall including the cover, spring 14 upper end and 12 lateral walls fixed connection of piston plate, 14 terminal and 11 inner wall elastic connection of extrusion chamber of spring, be equipped with on the cooler bin 10 with U-shaped push rod 13 complex expansion gap, when 16 short ends of cam rotate to 13 tip of U-shaped push rod under spring 14's spring action U-shaped push rod 13 drives piston plate 12 normal position that resumes.
The rotating rod 15 is connected in the feeding pipe 4 in a rotating mode, a plurality of fan blades 19 are fixed on the outer wall of the rotating rod 15, the upper end of the rotating rod 15 rotates to penetrate through the upper wall of the feeding pipe 4, the upper end of the rotating rod 15 extends to the position above the feeding pipe 4, the U-shaped push rod 13 is connected with the rotating rod 15 through the movable mechanism, the movable mechanism comprises a cam 16 fixed on the outer wall of the rotating rod 15, the U-shaped push rod 13 is parallel to the cam 16, a push groove matched with the cam 16 is formed in the side wall of the U-shaped push rod 13, the fan blades 19 can be driven to rotate when the U-shaped push rod flows into the feeding pipe 4, the rotating rod 15 can be driven to rotate through rotation of the fan blades 19, the cam 16 can be driven to rotate at the movable opening when the rotating rod 15 rotates, and the long end of the cam 16 is extruded through the push groove when the U-shaped push rod 13 contacts.
The surface of the shell 1 is provided with a display screen 7, and the display screen 7 is a TFT display screen and can visually check the flow and the temperature.
The liquid inlet end of the heat exchange tube 9 extends into the squeezing chamber 11, a liquid inlet one-way valve is arranged in the liquid inlet end of the heat exchange tube 9, the squeezing chamber 11 is connected with the liquid storage chamber 17 through an externally-leaking circulating tube 8, a liquid inlet one-way valve is arranged in the circulating tube 8, when the piston plate 12 moves backwards, the cooling liquid in the liquid storage chamber 17 can be sucked into the squeezing chamber 11 through the circulating tube 8 and the liquid inlet one-way valve, when the piston plate 12 moves forwards, the cooling liquid can be squeezed into the heat exchange tube 9 through the liquid inlet end of the heat exchange tube 9 and the liquid inlet one-way valve, and the cooling liquid wound in the heat exchange tube 9 in the heat exchange wall can absorb heat and dissipate heat of the device, so that the stable working temperature of the device is guaranteed.
The measuring tube 2 and the converter 6 are integrated into a whole, and the electrode 3 and the lining are integrated, so that the integral structure is reduced, and the requirement on installation space is reduced; when liquid flows into the feeding pipe 4, the fan blades 19 can be driven to rotate, the rotating rods 15 can be driven to rotate by the rotation of the fan blades 19, the cam 16 can be driven to rotate at the movable opening when the rotating rods 15 rotate, the long end of the cam 16 is extruded by the push groove when contacting with the U-shaped push rod 13, the piston plate 12 is driven by the U-shaped push rod 13 to move in the extrusion chamber 11, and when the short end of the cam 16 rotates to the end part of the U-shaped push rod 13, the U-shaped push rod 13 drives the piston plate 12 to return to the original position under the elastic force of the spring 14, so that the piston plate 12 can reciprocate back and forth in the extrusion chamber 11; when the piston plate 12 moves backwards, the cooling liquid in the liquid storage chamber 17 can be sucked into the squeezing chamber 11 through the circulating pipe 8 and the liquid inlet one-way valve, when the piston plate 12 moves forwards, the cooling liquid can be squeezed into the heat exchange pipe 9 through the liquid inlet end of the heat exchange pipe 9 and the liquid inlet one-way valve, when the cooling liquid circulates in the heat exchange pipe 9, the heat exchange pipes can be used for heat absorption and heat exchange on the inner walls of the two sides of the heat exchange cavity, wherein the temperature and the heat degree of the heat exchange cavity are generated and dissipated by the work of the display screen 7 or the electrode 3 and the like, the cooling liquid wound in the heat exchange pipe 9 in the heat exchange wall can absorb heat and dissipate the heat of the device, and the stable working temperature of the device is guaranteed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The electromagnetic flow meter with a compact structure comprises a shell (1) and is characterized in that a feeding pipe (4) and a discharging pipe (5) are respectively arranged at two ends of the shell (1), a measuring pipe (2) is arranged in the shell (1), linings positioned on the inner side of the measuring pipe (2) and on the flange sealing surface are arranged in the shell (1), an electrode (3) is arranged in the shell (1), a converter (6) matched with the electrode (3) is arranged in the shell (1), a cooling box (10) is fixed on the outer wall of the shell (1), a squeezing chamber (11) and a liquid storage chamber (17) are arranged in the cooling box (10), a plurality of cooling fins (18) matched with the liquid storage chamber (17) are arranged on the surface of the cooling box (10), a heat exchange cavity is arranged in the wall of the shell (1), a heat exchange pipe (9) is wound in the heat exchange cavity, and a piston plate (12) is connected in the squeezing chamber (11) in a sealing and sliding manner, piston plate (12) lateral wall is fixed with U-shaped push rod (13), U-shaped push rod (13) are connected with extrusion room (11) through elastic mechanism, inlet pipe (4) internal rotation is connected with bull stick (15), bull stick (15) outer wall is fixed with multi-disc flabellum (19), bull stick (15) upper end is rotated and is run through inlet pipe (4) upper wall, bull stick (15) upper end extends to inlet pipe (4) top, U-shaped push rod (13) are connected with bull stick (15) through moving mechanism.
2. The electromagnetic flowmeter of claim 1, wherein the elastic mechanism comprises a spring (14) sleeved on the outer wall of the U-shaped push rod (13), the upper end of the spring (14) is fixedly connected with the side wall of the piston plate (12), the tail end of the spring (14) is elastically connected with the inner wall of the extrusion chamber (11), and the cooling tank (10) is provided with a movable opening matched with the U-shaped push rod (13).
3. A compact electromagnetic flowmeter as set forth in claim 2 wherein said moving means comprises a cam (16) fixed to the outer wall of said rotary rod (15), said U-shaped push rod (13) being parallel to said cam (16), said U-shaped push rod (13) having a side wall provided with a push groove for engaging said cam (16).
4. A compact electromagnetic flowmeter as set forth in claim 3 wherein said measuring tube (2) is integrated with the transducer (6) and said electrodes (3) and lining are an integrated process.
5. A compact electromagnetic flowmeter as claimed in claim 4 wherein said housing (1), said measurement tube (2) and said electrodes (3) are 361L stainless steel and said lining is of PEEK.
6. A compact electromagnetic flowmeter as claimed in claim 5 wherein said housing (1) is provided with a display screen (7) on its surface, said display screen (7) being a TFT display screen.
7. The electromagnetic flowmeter of claim 6, wherein the liquid inlet end of the heat exchange tube (9) extends into the extrusion chamber (11), and a liquid inlet check valve is arranged in the liquid inlet end of the heat exchange tube (9).
8. A compact electromagnetic flowmeter as set forth in claim 7 wherein said pressure chamber (11) is connected to said reservoir (17) by an externally leaking circulation tube (8), said circulation tube (8) having a liquid inlet check valve therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111053333.7A CN113932858B (en) | 2021-09-09 | 2021-09-09 | Compact structure type electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111053333.7A CN113932858B (en) | 2021-09-09 | 2021-09-09 | Compact structure type electromagnetic flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113932858A true CN113932858A (en) | 2022-01-14 |
| CN113932858B CN113932858B (en) | 2024-02-02 |
Family
ID=79275534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111053333.7A Active CN113932858B (en) | 2021-09-09 | 2021-09-09 | Compact structure type electromagnetic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113932858B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030061886A1 (en) * | 2001-10-03 | 2003-04-03 | Hemina S.P.A. | Electromagnetic flowmeter for lines for conveying and distributing electrically conducting liquids |
| JP2004354227A (en) * | 2003-05-29 | 2004-12-16 | Yamatake Corp | Electrode structure of electromagnetic flowmeter |
| CN101405578A (en) * | 2006-03-13 | 2009-04-08 | 恩德斯+豪斯流量技术股份有限公司 | Measurement convertor of a flowmeter |
| CN202533115U (en) * | 2012-04-24 | 2012-11-14 | 唐山大方汇中仪表有限公司 | Integrated electromagnetic flowmeter |
| KR20140089075A (en) * | 2013-01-04 | 2014-07-14 | 시종욱 | Electric motion water meter |
| WO2015187579A1 (en) * | 2014-06-03 | 2015-12-10 | Illinois Tool Works Inc. | System and method for operating a pressure-relieving fluid-metering valve assembly |
| JP2020038099A (en) * | 2018-09-03 | 2020-03-12 | 三菱重工業株式会社 | Small-sized electromagnetic flowmeter |
| CN212180002U (en) * | 2020-07-03 | 2020-12-18 | 南京上古网络科技有限公司 | Thing networking terminal wisdom water gauge collection system |
| CN212378823U (en) * | 2020-09-25 | 2021-01-19 | 陕西诺盈自动化仪表有限公司 | Cooling device of chemical ultrasonic flowmeter |
| CN112945322A (en) * | 2021-02-03 | 2021-06-11 | 浙江奥新仪表有限公司 | High-temperature electromagnetic flowmeter |
-
2021
- 2021-09-09 CN CN202111053333.7A patent/CN113932858B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030061886A1 (en) * | 2001-10-03 | 2003-04-03 | Hemina S.P.A. | Electromagnetic flowmeter for lines for conveying and distributing electrically conducting liquids |
| JP2004354227A (en) * | 2003-05-29 | 2004-12-16 | Yamatake Corp | Electrode structure of electromagnetic flowmeter |
| CN101405578A (en) * | 2006-03-13 | 2009-04-08 | 恩德斯+豪斯流量技术股份有限公司 | Measurement convertor of a flowmeter |
| CN202533115U (en) * | 2012-04-24 | 2012-11-14 | 唐山大方汇中仪表有限公司 | Integrated electromagnetic flowmeter |
| KR20140089075A (en) * | 2013-01-04 | 2014-07-14 | 시종욱 | Electric motion water meter |
| WO2015187579A1 (en) * | 2014-06-03 | 2015-12-10 | Illinois Tool Works Inc. | System and method for operating a pressure-relieving fluid-metering valve assembly |
| JP2020038099A (en) * | 2018-09-03 | 2020-03-12 | 三菱重工業株式会社 | Small-sized electromagnetic flowmeter |
| CN212180002U (en) * | 2020-07-03 | 2020-12-18 | 南京上古网络科技有限公司 | Thing networking terminal wisdom water gauge collection system |
| CN212378823U (en) * | 2020-09-25 | 2021-01-19 | 陕西诺盈自动化仪表有限公司 | Cooling device of chemical ultrasonic flowmeter |
| CN112945322A (en) * | 2021-02-03 | 2021-06-11 | 浙江奥新仪表有限公司 | High-temperature electromagnetic flowmeter |
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| Publication number | Publication date |
|---|---|
| CN113932858B (en) | 2024-02-02 |
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