CN110361062B - High maintenance type right-angle electromagnetic flowmeter - Google Patents
High maintenance type right-angle electromagnetic flowmeter Download PDFInfo
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- CN110361062B CN110361062B CN201910800103.9A CN201910800103A CN110361062B CN 110361062 B CN110361062 B CN 110361062B CN 201910800103 A CN201910800103 A CN 201910800103A CN 110361062 B CN110361062 B CN 110361062B
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- 238000012423 maintenance Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000000919 ceramic Substances 0.000 claims abstract description 19
- 229920002313 fluoropolymer Polymers 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims description 22
- 230000005284 excitation Effects 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a high maintenance type right-angle electromagnetic flowmeter, which comprises a flowmeter main shell, wherein a first sensor is detachably arranged at the lower end of the flowmeter main shell, a second sensor is detachably arranged at the right upper end of the flowmeter main shell, an elbow is arranged in a storage cavity of the flowmeter main shell, a right-angle flow channel is arranged in the elbow, a first fluoroplastic lining measuring pipe is embedded in the first sensor, a first measuring channel is arranged in the first fluoroplastic lining measuring pipe, a first sensor electrode is arranged at a local position of the first measuring channel, a first ceramic measuring pipe is embedded in the second sensor, a second measuring channel is arranged in the first ceramic measuring pipe, the diameter of the right-angle flow channel is the same as that of the second measuring channel, and the diameter of the first measuring channel is larger than that of the right-angle flow channel. Above-mentioned technical scheme, structural design is reasonable, simple structure, sealing performance are good, long service life, can improve measurement accuracy and range ratio, maintenance convenient operation and practicality are good.
Description
Technical Field
The invention relates to the technical field of electromagnetic flow meters, in particular to a high-maintenance type right-angle electromagnetic flow meter.
Background
Accurate flow measurement is an important field of automation control and is a problem to be solved continuously by automation engineers. Especially, the problems of non-full pipe, low small flow precision, small measuring range, serious high pressure difference scouring damage and the like are more long-term problems, and simultaneously, the requirement of a user on the maintainability of the instrument is higher. However, the conventional right-angle electromagnetic flowmeter has the following defects: the device has the advantages of unreasonable structural design, complex structure, low measurement precision, small measuring range ratio, easy leakage, short service life, troublesome maintenance operation and poor practicability.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the high-maintenance type right-angle electromagnetic flowmeter which has the advantages of reasonable structural design, simple structure, good sealing performance, long service life, capability of improving measurement precision and range ratio, convenience in maintenance operation and good practicability.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high maintenance type right angle electromagnetic flowmeter, includes the flowmeter main casing, the first sensor of being provided with can be dismantled to flowmeter main casing lower extreme, the upper right end of flowmeter main casing can be dismantled and be provided with the second sensor, be provided with one in the flowmeter main casing and put the thing cavity, be provided with an elbow in the thing cavity of putting, be provided with right angle runner in the elbow, the elbow upper end is towards right bending 90; a first measuring pipe hole is formed in the first sensor, a first fluoroplastic lining measuring pipe is arranged in the first measuring pipe hole in an embedded mode, a first measuring channel is formed in the first fluoroplastic lining measuring pipe, a first sensor electrode is arranged at a local position of the first measuring channel, and the upper end of the first fluoroplastic lining measuring pipe is connected with the lower end of the bent pipe; the second sensor is internally provided with a second measuring pipe hole, a first ceramic measuring pipe is arranged in the second measuring pipe hole in an embedded mode, a second measuring channel is arranged in the first ceramic measuring pipe, a second sensor electrode is arranged in the second measuring channel, the first measuring channel, the right-angle flow channel and the second measuring channel are communicated, the diameter of the right-angle flow channel is the same as that of the second measuring channel, and the diameter of the first measuring channel is larger than that of the right-angle flow channel.
The invention is further provided with: the upper left end bending part of the bent pipe is integrally provided with a bent pipe inclined plane boss, and the upper left end of the bent pipe inclined plane boss is provided with a first positioning inclined plane.
The invention is further arranged to: the meter is characterized in that a meter cover is detachably arranged at the upper end of the main shell of the flow meter, a meter cover inclined plane boss is integrally arranged at the lower end of the meter cover, a second positioning inclined plane matched with the first positioning inclined plane is arranged at the right lower end of the meter cover inclined plane boss, and the second positioning inclined plane compresses the first positioning inclined plane.
The invention is further arranged to: an electromagnetic flow transducer is detachably arranged on the upper end face of the meter cover.
The invention is further arranged to: the first sensor further comprises a first sensor meter body, a first excitation winding component and a first sensor meter body shell, wherein the first excitation winding component is sleeved at the position of the first sensor meter body where the first sensor electrode is installed, the first excitation winding component is detachably connected with the first sensor meter body, the first sensor meter body shell is sleeved outside the first excitation winding component, the upper end of the first sensor meter body shell is connected with the lower end of the flowmeter main shell, and the lower end of the first sensor meter body shell is connected with the first sensor meter body.
The invention is further arranged to: the second sensor further comprises a second sensor meter body, a second sensor excitation winding assembly and a second sensor meter body cover, the second sensor excitation winding assembly is sleeved on the outer surface of the first ceramic measuring tube, the second sensor excitation winding assembly is located at the position of a second sensor electrode, the left end of the second sensor meter body is detachably connected with the right end of the main shell of the flowmeter, and the right end of the second sensor meter body is detachably connected with the second sensor meter body cover.
The invention is further arranged to: the meter cover is provided with a meter cover screw in a penetrating way, a first meter cover sealing ring is arranged between the meter cover and the main shell of the flowmeter, the meter cover is locked through the meter cover screw, and the meter cover is sealed with the main shell of the flowmeter through the first meter cover sealing ring.
The invention is further arranged to: a first elbow sealing ring is arranged between the lower end of the elbow and the first sensor meter body, and the elbow forms a seal with the first sensor meter body through the first elbow sealing ring; a second elbow sealing ring is arranged between the elbow and the first ceramic measuring tube, and the elbow forms a seal with the first ceramic measuring tube through the second elbow sealing ring.
The invention is further arranged to: the upper end of the first sensor meter body is fixedly connected with the lower end of the flowmeter main shell through threads; the left end of the second sensor meter body is fixedly connected with the right end of the flowmeter main shell through threads.
The invention is further arranged to: a first rotation-preventing screw is arranged at the threaded connection part of the first sensor meter body and the lower end of the flowmeter main shell; and a second rotation preventing screw is arranged at the threaded connection part of the second sensor meter body and the right end of the flowmeter main shell.
The invention has the advantages that: compared with the prior art, the invention has more reasonable structural arrangement, and the invention designs two paths of flow pipelines with different diameters, the measuring tube of the first sensor adopts a fluoroplastic lining, correspondingly measures large flow, and is suitable for low-speed range fluid; the measuring tube of the second sensor adopts a ceramic lining, and correspondingly measures small flow, so that the flow velocity value and the accuracy during the small flow can be improved, and the instrument accuracy and the measuring range ratio are improved; the right-angle flow passage of the bent pipe is adopted, so that the vertical upward direction of the fluid flow is ensured, and the difficult problem that the horizontal pipeline is full of pipes is solved; the first positioning inclined surface of the inclined surface boss of the bent pipe is tightly pressed by the second positioning inclined surface of the meter cover to generate downward and rightward sealing force, so that the fluid medium between the first sensor and the second sensor is prevented from leaking; the first sensor meter body is connected with the lower end of the flowmeter main shell through threads and is provided with a first rotation-preventing screw; the second sensor meter body is connected with the right end of the flowmeter main shell through threads, and a second rotation preventing screw is arranged; after the 90-degree bent pipe and the meter cover are detached, the meter can be easily maintained, and the requirement of a user on high maintainability of the meter is met. The whole high maintenance type right-angle electromagnetic flowmeter has the advantages of reasonable structural design, simple structure, good sealing performance, long service life, capability of improving measurement accuracy and range ratio, convenience in maintenance operation and good practicability.
The invention is further described below with reference to the drawings and specific examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
In the description of the present embodiment, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like are presented, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
Referring to fig. 1, the high maintenance type right-angle electromagnetic flowmeter disclosed by the invention comprises a flowmeter main shell 1, wherein a first sensor 2 is detachably arranged at the lower end of the flowmeter main shell 1, a second sensor 3 is detachably arranged at the right upper end of the flowmeter main shell 1, a storage cavity 11 is arranged in the flowmeter main shell 1, a bent pipe 4 is arranged in the storage cavity 11, a right-angle flow channel 41 is arranged in the bent pipe 4, and the upper end of the bent pipe 4 is bent towards the right by 90 degrees; a first measuring tube hole 21 is formed in the first sensor 2, a first fluoroplastic lining measuring tube 22 is embedded in the first measuring tube hole 21, a first measuring channel 221 is formed in the first fluoroplastic lining measuring tube 22, a first sensor electrode 23 is arranged at a local position of the first measuring channel 221, and the upper end of the first fluoroplastic lining measuring tube 22 is connected with the lower end of the bent tube 4; the second sensor 3 is internally provided with a second measuring tube hole 31, the second measuring tube hole 31 is internally embedded with a first ceramic measuring tube 32, the first ceramic measuring tube 32 is internally provided with a second measuring channel 321, the second measuring channel 321 is internally provided with a second sensor electrode 33, the first measuring channel 221, the right-angle flow channel 41 and the second measuring channel 321 are communicated, the diameter of the right-angle flow channel 41 is the same as the diameter of the second measuring channel 321, and the diameter of the first measuring channel 221 is larger than the diameter of the right-angle flow channel 41.
Preferably, an elbow bevel boss 42 is integrally provided at the left upper end bending portion of the elbow 4, and a first positioning bevel 421 is provided at the left upper end of the elbow bevel boss 42.
The meter cover 5 is detachably arranged at the upper end of the meter main shell 1, the meter cover inclined surface boss 51 is integrally arranged at the lower end of the meter cover 5, the second positioning inclined surface 511 matched with the first positioning inclined surface 421 is arranged at the right lower end of the meter cover inclined surface boss 51, and the second positioning inclined surface 511 compresses the first positioning inclined surface 421.
In order to make the structure of the present invention more reasonable, it is preferable that the electromagnetic flow transducer 6 is detachably disposed on the upper end surface of the meter cover 5 in this embodiment.
Preferably, the lower end of the electromagnetic flow transducer 6 is fixed to the upper end surface of the meter cover 5 by screw connection.
The first sensor 2 further comprises a first sensor meter body 24, a first exciting winding assembly 25 and a first sensor meter body shell 26, wherein the first exciting winding assembly 25 is sleeved at the position where the first sensor meter body 24 is provided with the first sensor electrode 23, the first exciting winding assembly 25 is detachably connected with the first sensor meter body 24, the first sensor meter body shell 26 is sleeved outside the first exciting winding assembly 25, the upper end of the first sensor meter body shell 26 is connected with the lower end of the flowmeter main shell 1, and the lower end of the first sensor meter body shell 26 is connected with the first sensor meter body 24. Preferably, the first exciting winding assembly 25 is fixedly connected with the outer surface of the first sensor surface body 24 through screws.
The second sensor 3 further comprises a second sensor meter 34, a second sensor exciting winding assembly 35 and a second sensor meter cover 36, the second sensor exciting winding assembly 35 is sleeved on the outer surface of the first ceramic measuring tube 32, the second sensor exciting winding assembly 35 is located at the position of the second sensor electrode 33, the left end of the second sensor meter 34 is detachably connected with the right end of the main flowmeter housing 1, and the right end of the second sensor meter 34 is detachably connected with the second sensor meter cover 36.
The meter cover 5 is provided with a meter cover screw 7 in a penetrating way, a first meter cover sealing ring 8 is arranged between the meter cover 5 and the main flowmeter shell 1, the meter cover 5 is locked by the meter cover screw 7, and the meter cover 5 is sealed with the main flowmeter shell 1 by the first meter cover sealing ring 8.
A first elbow sealing ring 9 is arranged between the lower end of the elbow 4 and the first sensor meter body 24, and the elbow 4 forms a seal with the first sensor meter body 24 through the first elbow sealing ring 9; a second elbow sealing ring 10 is arranged between the elbow 4 and the first ceramic measuring tube 32, and the elbow 4 forms a seal with the first ceramic measuring tube 32 through the second elbow sealing ring 10.
The upper end of the first sensor meter body 24 is fixedly connected with the lower end of the flowmeter main shell 1 through threads; the left end of the second sensor meter body 34 is fixed with the right end of the flowmeter main casing 1 through threaded connection. The right end of the second sensor body 34 is fixed to the second sensor body cover 36 by screw connection.
A first rotation-preventing screw 12 is arranged at the threaded connection part of the first sensor meter body 24 and the lower end of the flowmeter main shell 1; the second sensor meter 34 is provided with a second rotation-preventing screw 13 at the threaded connection position of the right end of the flowmeter main shell 1.
In practical application, the invention designs two paths of flow pipelines with different diameters, the measuring tube of the first sensor adopts a fluoroplastic lining, and correspondingly measures large flow, thus being suitable for low-speed range fluid; the measuring tube of the second sensor adopts a ceramic lining, and correspondingly measures small flow, so that the flow velocity value and the accuracy during the small flow can be improved, and the instrument accuracy and the measuring range ratio are improved; the right-angle flow passage of the bent pipe is adopted, so that the vertical upward direction of the fluid flow is ensured, and the difficult problem that the horizontal pipeline is full of pipes is solved; the first positioning inclined surface of the inclined surface boss of the bent pipe is tightly pressed by the second positioning inclined surface of the meter cover to generate downward and rightward sealing force, so that the fluid medium between the first sensor and the second sensor is prevented from leaking; the first sensor meter body is connected with the lower end of the flowmeter main shell through threads and is provided with a first rotation-preventing screw; the second sensor meter body is connected with the right end of the flowmeter main shell through threads, and a second rotation preventing screw is arranged; after the 90-degree bent pipe and the meter cover are detached, the meter can be easily maintained, and the requirement of a user on high maintainability of the meter is met. The whole high maintenance type right-angle electromagnetic flowmeter has the advantages of reasonable structural design, simple structure, good sealing performance, long service life, capability of improving measurement accuracy and range ratio, convenience in maintenance operation and good practicability.
The electromagnetic flow converter is connected with the first sensor and the second sensor, the measuring signals transmitted by the two-way sensor are transmitted to the electromagnetic flow converter, the existing intelligent judging software is arranged in the converter, and the flow speed and the flow size are automatically judged according to the setting conditions, so that the actual measuring values in the corresponding flow range are selectively output, and high-precision measurement is ensured.
The foregoing embodiments are provided for further explanation of the present invention and are not to be construed as limiting the scope of the present invention, and some insubstantial modifications and variations of the present invention, which are within the scope of the invention, will be suggested to those skilled in the art in light of the foregoing teachings.
Claims (7)
1. The utility model provides a high maintenance formula right angle electromagnetic flowmeter, includes flowmeter main casing body (1), flowmeter main casing body (1) lower extreme can be dismantled and be provided with first sensor (2), its characterized in that: the utility model discloses a flowmeter, including flowmeter main casing (1), right upper end detachable is provided with second sensor (3), be provided with one in flowmeter main casing (1) and put thing cavity (11), be provided with one return bend (4) in putting thing cavity (11), be provided with right angle runner (41) in return bend (4), return bend (4) upper end is towards right bending 90; a first measuring tube hole (21) is formed in the first sensor (2), a first fluoroplastic lining measuring tube (22) is embedded in the first measuring tube hole (21), a first measuring channel (221) is formed in the first fluoroplastic lining measuring tube (22), a first sensor electrode (23) is arranged at a local position of the first measuring channel (221), and the upper end of the first fluoroplastic lining measuring tube (22) is connected with the lower end of the bent tube (4); a second measuring tube hole (31) is formed in the second sensor (3), a first ceramic measuring tube (32) is embedded in the second measuring tube hole (31), a second measuring channel (321) is formed in the first ceramic measuring tube (32), a second sensor electrode (33) is arranged in the second measuring channel (321), the first measuring channel (221), the right-angle flow channel (41) and the second measuring channel (321) are communicated, the diameter of the right-angle flow channel (41) is the same as the diameter of the second measuring channel (321), and the diameter of the first measuring channel (221) is larger than the diameter of the right-angle flow channel (41);
The meter comprises a meter main shell (1), wherein a meter cover (5) is detachably arranged at the upper end of the meter main shell, a meter cover inclined surface boss (51) is integrally arranged at the lower end of the meter cover (5), a second positioning inclined surface (511) matched with a first positioning inclined surface (421) is arranged at the right lower end of the meter cover inclined surface boss (51), and the second positioning inclined surface (511) compresses the first positioning inclined surface (421);
an electromagnetic flow transducer (6) is detachably arranged on the upper end surface of the meter cover (5);
The first sensor (2) further comprises a first sensor meter body (24), a first excitation winding assembly (25) and a first sensor meter body shell (26), the first excitation winding assembly (25) is sleeved at the position where the first sensor electrode (23) is mounted on the first sensor meter body (24), the first excitation winding assembly (25) is detachably connected with the first sensor meter body (24), the first sensor meter body shell (26) is sleeved outside the first excitation winding assembly (25), the upper end of the first sensor meter body shell (26) is connected with the lower end of the flowmeter main shell (1), and the lower end of the first sensor meter body shell (26) is connected with the first sensor meter body (24).
2. The high maintenance right angle electromagnetic flowmeter of claim 1, wherein: the upper left end bending part of the bent pipe (4) is integrally provided with a bent pipe inclined plane boss (42), and the upper left end of the bent pipe inclined plane boss (42) is provided with a first positioning inclined plane (421).
3. The high maintenance right angle electromagnetic flowmeter of claim 2, wherein: the second sensor (3) further comprises a second sensor meter body (34), a second sensor excitation winding assembly (35) and a second sensor meter body cover (36), the second sensor excitation winding assembly (35) is sleeved on the outer surface of the first ceramic measuring tube (32), the second sensor excitation winding assembly (35) is located at the position of a second sensor electrode (33), the left end of the second sensor meter body (34) is detachably connected with the right end of the flowmeter main shell (1), and the right end of the second sensor meter body (34) is detachably connected with the second sensor meter body cover (36).
4. A high maintenance right angle electromagnetic flowmeter according to claim 3 wherein: the meter cover is characterized in that a meter cover screw (7) is arranged on the meter cover (5) in a penetrating manner, a first meter cover sealing ring (8) is arranged between the meter cover (5) and the meter main shell (1), the meter cover (5) is locked through the meter cover screw (7), and the meter cover (5) is sealed with the meter main shell (1) through the first meter cover sealing ring (8).
5. The high maintenance right angle electromagnetic flowmeter of claim 4, wherein: a first elbow sealing ring (9) is arranged between the lower end of the elbow (4) and the first sensor meter body (24), and the elbow (4) is sealed with the first sensor meter body (24) through the first elbow sealing ring (9); a second elbow sealing ring (10) is arranged between the elbow (4) and the first ceramic measuring tube (32), and the elbow (4) is sealed with the first ceramic measuring tube (32) through the second elbow sealing ring (10).
6. The high maintenance right angle electromagnetic flowmeter of claim 5, wherein: the upper end of the first sensor meter body (24) is fixedly connected with the lower end of the flowmeter main shell (1) through threads; the left end of the second sensor meter body (34) is fixedly connected with the right end of the flowmeter main shell (1) through threads.
7. The high maintenance right angle electromagnetic flowmeter of claim 6, wherein: a first anti-rotation screw (12) is arranged at the threaded connection part of the first sensor meter body (24) and the lower end of the flowmeter main shell (1); the second sensor meter body (34) and the right end threaded connection part of the flowmeter main shell (1) are provided with second rotation-preventing screws (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800103.9A CN110361062B (en) | 2019-08-28 | 2019-08-28 | High maintenance type right-angle electromagnetic flowmeter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800103.9A CN110361062B (en) | 2019-08-28 | 2019-08-28 | High maintenance type right-angle electromagnetic flowmeter |
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| Publication Number | Publication Date |
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| CN110361062A CN110361062A (en) | 2019-10-22 |
| CN110361062B true CN110361062B (en) | 2024-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910800103.9A Active CN110361062B (en) | 2019-08-28 | 2019-08-28 | High maintenance type right-angle electromagnetic flowmeter |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945322B (en) * | 2021-02-03 | 2023-08-22 | 浙江奥新仪表有限公司 | A High Temperature Electromagnetic Flowmeter |
| CN114034354A (en) * | 2021-09-03 | 2022-02-11 | 北京新兴合众科技有限公司 | Measuring device for condensed water in flue gas waste heat recovery system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0968448A (en) * | 1995-06-21 | 1997-03-11 | Tokyo Gas Co Ltd | 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 |
| CN210375244U (en) * | 2019-08-28 | 2020-04-21 | 浙江奥新仪表有限公司 | High-maintenance right-angle electromagnetic flowmeter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2001286619A1 (en) * | 2000-08-22 | 2002-03-04 | Fugasity Corporation | Fluid mass flow meter with substantial measurement range |
| CN101236099A (en) * | 2007-02-02 | 2008-08-06 | 河南光力科技股份有限公司 | Integral flux, wind velocity sensor |
-
2019
- 2019-08-28 CN CN201910800103.9A patent/CN110361062B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0968448A (en) * | 1995-06-21 | 1997-03-11 | Tokyo Gas Co Ltd | 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 |
| CN210375244U (en) * | 2019-08-28 | 2020-04-21 | 浙江奥新仪表有限公司 | High-maintenance right-angle electromagnetic flowmeter |
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