CN115628782B - Anti-vibration probe of vortex shedding flowmeter - Google Patents
Anti-vibration probe of vortex shedding flowmeter Download PDFInfo
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- CN115628782B CN115628782B CN202211112042.5A CN202211112042A CN115628782B CN 115628782 B CN115628782 B CN 115628782B CN 202211112042 A CN202211112042 A CN 202211112042A CN 115628782 B CN115628782 B CN 115628782B
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- vibration
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- vortex shedding
- measuring
- flowmeter
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- 239000000523 sample Substances 0.000 title claims abstract description 34
- 239000003990 capacitor Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 description 5
- 230000000087 stabilizing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 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
- G01F1/05—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 mechanical effects
- G01F1/20—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 mechanical effects by detection of dynamic effects of the flow
- G01F1/32—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 mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
-
- 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
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to the technical field of flow meters, in particular to an anti-vibration probe of a vortex shedding flow meter, which comprises a measuring piece and an anti-vibration assembly, wherein the anti-vibration assembly comprises an upper shell, a lower shell, two attaching plates, two capacitance polar plates and a connecting electric cable, the lower shell is arranged below the upper shell, the upper shell is used for being arranged on the vortex shedding flow meter, the measuring piece is arranged in the lower shell, the two capacitance polar plates are arranged in the upper shell, the two attaching plates are respectively arranged on the corresponding capacitance polar plates, the two connecting electric cables are respectively connected with the corresponding capacitance polar plates, and the two connecting electric cables are connected with a signal processor on the vortex shedding flow meter.
Description
Technical Field
The invention relates to the technical field of flow meters, in particular to an anti-seismic probe of a vortex shedding flow meter.
Background
The traditional vortex shedding flowmeter has the same structure no matter measuring gas or liquid, the measuring range is difficult to be widened, the highest measuring range is 40:1, and the measuring range ratio of the traditional vortex shedding flowmeter to the electromagnetic flowmeter is not small.
In order to solve the problems, the prior art patent publication No. CN201397156Y discloses a magneto-electric probe of a vortex shedding flowmeter, which comprises a measuring probe, wherein a groove is formed in the bottom of the measuring probe, a left electrode and a right electrode are oppositely arranged in the groove, a magnet is arranged on the measuring probe above the groove, and the measuring probe has a wider measuring range and wide application range.
However, the probe in the mode has poor anti-seismic and anti-interference capabilities, and is easily interfered by site vibration, so that the measurement result is affected.
Disclosure of Invention
The invention aims to provide an anti-seismic probe of a vortex shedding flowmeter, and aims to solve the technical problems that the probe in the prior art is poor in anti-seismic and anti-interference capacity and is easily interfered by site vibration, so that a measurement result is affected.
In order to achieve the above purpose, the anti-vibration probe of the vortex shedding flowmeter comprises a measuring piece and an anti-vibration component, wherein the measuring piece is used for measuring the frequency generated by vortex, the anti-vibration component comprises an upper shell, a lower shell, two attaching plates, two capacitance pole plates and a connecting cable, the lower shell is arranged below the upper shell, the upper shell is used for being installed on the vortex shedding flowmeter, the measuring piece is arranged in the lower shell, the two capacitance pole plates are all arranged in the upper shell, the two attaching plates are respectively arranged on the corresponding capacitance pole plates, the two connecting cable is respectively connected with the corresponding capacitance pole plates, and the two connecting cable is connected with a signal processor on the vortex shedding flowmeter.
The anti-seismic assembly further comprises two supporting rods, one ends of the two supporting rods are fixedly connected with the corresponding capacitor pole plates respectively, and the other ends of the two supporting rods are fixedly connected with the upper shell.
The measuring piece comprises a measuring head and two circular shafts, one ends of the two circular shafts are rotationally connected with the lower shell, and the other ends of the two circular shafts are fixedly connected with the measuring head.
The anti-vibration probe of the vortex shedding flowmeter further comprises a mounting assembly, and the mounting assembly is arranged on the lower shell.
The installation component includes disc, many springs and two piece pieces, it is provided with first recess, two through-holes and two second recesses to go up the casing, many the springs all set up in the first recess, the one end of spring with go up casing fixed connection, the other end of spring with disc fixed connection, two piece all with lower casing fixed connection, and two piece is placed in to the piece in the second recess.
The installation component still includes many telescopic links, and is many the telescopic link all sets up in the first recess, the telescopic link sets up the disc with go up between the casing.
The telescopic rod comprises a hollow rod and a rod body, one end of the hollow rod is fixedly connected with the upper shell, the other end of the hollow rod is sleeved with the rod body, and one end, far away from the hollow rod, of the rod body is fixedly connected with the disc.
According to the anti-vibration probe of the vortex shedding flowmeter, the measuring piece is arranged and used for measuring the frequency generated by the vortex generator, and signals are transmitted to the signal processor on the vortex shedding flowmeter from the two connecting electric cables through the two attaching plates and the two capacitance pole plates, and the anti-vibration component is arranged and used for arranging the measuring piece at the rear side of the vortex generator.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of a first embodiment of the present invention.
Fig. 2 is a rear view of the first embodiment of the present invention.
Fig. 3 is a cross-sectional view of the A-A line structure of fig. 1 in accordance with the present invention.
Fig. 4 is a cross-sectional view of the B-B line structure of fig. 2 in accordance with the present invention.
Fig. 5 is a partial schematic structural view of a second embodiment of the present invention.
Fig. 6 is a partial structural schematic diagram of a second embodiment of the present invention.
Fig. 7 is a schematic structural view of an upper case of a second embodiment of the present invention.
Fig. 8 is a schematic structural view of a third embodiment of the present invention.
Fig. 9 is an enlarged view of a partial structure at C of fig. 8 according to the present invention.
Fig. 10 is a schematic structural view of a fourth embodiment of the present invention.
101-upper housing, 102-lower housing, 103-attachment plate, 104-capacitive plate, 105-connection cable, 106-strut, 107-measurement head, 108-circular shaft, 201-circular disc, 202-spring, 203-strut, 204-hollow rod, 205-rod body, 206-first groove, 207-through hole, 208-second groove, 301-loop block, 302-lead screw, 303-abutment block, 304-block, 305-slip-resistant loop, 401-loop, 402-grip, 403-guard.
Detailed Description
First embodiment:
referring to fig. 1 to 4, fig. 1 is a front view of a first embodiment of the present invention, fig. 2 is a rear view of the first embodiment of the present invention, fig. 3 is a sectional view of the A-A line structure of fig. 1 of the present invention, and fig. 4 is a sectional view of the B-B line structure of fig. 2 of the present invention. The invention provides an anti-vibration probe of a vortex shedding flowmeter, which comprises: the anti-vibration device comprises a measuring piece and an anti-vibration component, wherein the anti-vibration component comprises an upper shell 101, a lower shell 102, two attaching plates 103, two capacitor pole plates 104, a connecting electric cable 105 and two supporting rods 106, and the measuring piece comprises a measuring head 107 and two circular shafts 108;
for this concrete implementation mode, through setting up the measuring part, the measuring part is used for measuring the frequency that the vortex generator produced, will the measuring part sets up the rear side at the vortex generator, the measuring part has sensitivity height, and measuring error is little, the big advantage of range ratio.
Wherein the lower housing 102 is arranged below the upper housing 101, the upper housing 101 is used for being mounted on a vortex shedding flowmeter, the measuring part is arranged in the lower housing 102, two capacitor plates 104 are arranged in the upper housing 101, two attaching plates 103 are respectively arranged on the corresponding capacitor plates 104, two connecting electric cables 105 are respectively connected with the corresponding capacitor plates 104, the two connecting electric cables 105 are connected with a signal processor on the vortex shedding flowmeter, by arranging the measuring part, the measuring part is used for measuring the frequency generated by the vortex shedding flowmeter and transmitting signals from the two connecting electric cables 105 to the signal processor on the vortex shedding flowmeter through the two attaching plates 103 and the two capacitor plates 104, by arranging the anti-vibration component, the measuring piece is arranged at the rear side of the vortex generator, the measuring piece has the advantages of high sensitivity, small measuring error and large measuring range ratio, and by arranging the capacitor polar plates 104 on each of the attaching plates 103, the two attaching plates 103 are made of ceramic materials, so the two attaching plates 103 provide high temperature resistance for the anti-vibration probe of the vortex shedding flowmeter, the invention is suitable for measuring various fluid media, and has the advantages of high sensitivity, small measuring error, high temperature resistance, high shock resistance, high pressure resistance and large measuring range ratio.
Secondly, one end of each of the two supporting rods 106 is fixedly connected with the corresponding capacitor plate 104, and the other end of each of the two supporting rods 106 is fixedly connected with the upper shell 101, so that the anti-interference capability of the two attaching plates 103 is further improved by arranging the two supporting rods 106.
Meanwhile, one ends of the two circular shafts 108 are rotatably connected with the lower housing 102, the other ends of the two circular shafts 108 are fixedly connected with the measuring head 107, and when the measuring head 107 measures the frequency generated by vortex, the measuring head 107 drives the two shaft bodies to rotate on the lower housing 102 through the arrangement of the two circular shafts 108.
The vibration-resistant probe of the vortex shedding flowmeter of the embodiment is used, by arranging the measuring piece, the measuring piece is used for measuring the frequency generated by the vortex generator, and signals are transmitted to the signal processor on the vortex shedding flowmeter from the two connecting electric cables 105 through the two attaching plates 103 and the two capacitance pole plates 104, by arranging the vibration-resistant component, the measuring piece is arranged at the rear side of the vortex generator, the measuring piece has the advantages of high sensitivity, small measuring error and large measuring range ratio, and by arranging the capacitance pole plates 104 on each attaching plate 103, the two attaching plates 103 are made of ceramic materials, so that the vibration-resistant probe of the vortex shedding flowmeter has high vibration resistance and high vibration resistance, the vibration-resistant probe is suitable for measuring various fluid media, has the advantages of high sensitivity, small measuring error, high vibration resistance, large measuring range and high interference resistance, and the vibration-resistant rod is not affected by the two attaching plates 103, and the vibration-resistant probe is easy to be arranged on site by the two vibration-resistant pole plates 106.
Second embodiment:
referring to fig. 5 to 7, fig. 5 is a schematic partial structure diagram of a second embodiment of the present invention, fig. 6 is a schematic partial structure diagram of the second embodiment of the present invention, and fig. 7 is a schematic structure diagram of an upper housing of the second embodiment of the present invention.
The invention provides an anti-seismic probe of a vortex shedding flowmeter, which also comprises a mounting assembly, wherein the mounting assembly comprises a disc 201, a plurality of springs 202, two supporting blocks 203 and a plurality of telescopic rods, and each telescopic rod comprises a hollow rod 204 and a rod body 205.
For this embodiment, the mounting assembly is disposed on the lower housing 102, so that the measuring head 107 can be more conveniently mounted and dismounted by disposing the mounting assembly.
The upper casing 101 is provided with a first groove 206, two through holes 207 and two second grooves 208, the plurality of springs 202 are all arranged in the first groove 206, one end of each spring 202 is fixedly connected with the upper casing 101, the other end of each spring 202 is fixedly connected with the disc 201, two support blocks 203 are fixedly connected with the lower casing 102, the two support blocks 203 are arranged in the two second grooves 208, when the measuring head 107 is required to be mounted, only the lower casing 102 is required to be held, so that the two blocks 304 are aligned with the two through holes 207, the lower casing 102 is continuously pushed upwards, the two blocks 304 penetrate through the two through holes 207 and are abutted against the disc 201, the disc 201 is enabled to drive the plurality of springs 202 to shrink, the two blocks 304 are pushed to a designated position, the lower casing 102 is rotated, the two blocks 304 are driven to rotate to the designated position, and then the two blocks are driven to rotate to the two blocks 201, and the two blocks are slowly rotate to the two blocks 201 and the two blocks are reset to the designated position, and the two blocks are driven to be mounted in the disc 201, and the two blocks are reset to the two blocks 201, and the two blocks are driven to rotate to the designated positions, and the two blocks are slowly rotate to be driven to the disc 201.
Secondly, a plurality of telescopic rods are all arranged in the first groove 206, the telescopic rods are arranged between the disc 201 and the upper shell 101, and the stability of the disc 201 can be improved by arranging a plurality of telescopic rods.
Again, one end of the hollow rod 204 is fixedly connected with the upper housing 101, the other end of the hollow rod 204 is sleeved with the rod body 205, one end of the rod body 205 away from the hollow rod 204 is fixedly connected with the disc 201, and when the disc 201 moves, the disc 201 drives the rod body 205 to slide in the corresponding hollow rod 204 through setting the hollow rod 204 and the rod body 205, so that the stability of the disc 201 can be improved.
When the vibration-resistant probe of the vortex shedding flowmeter of the embodiment needs to be installed on the measuring head 107, only the lower housing 102 needs to be held, so that two blocks 304 are aligned to two through holes 207, and the lower housing 102 is pushed upwards continuously, the lower housing 102 drives two blocks 304 to penetrate through the two through holes 207 and support against the disc 201, so that the disc 201 drives a plurality of springs 202 to shrink, after the two blocks 304 are pushed to a designated position, the lower housing 102 is rotated, the lower housing 102 drives the two blocks 304 to rotate on the surface of the disc 201, after the two blocks 304 rotate to the designated position, the two blocks 304 enter into two second grooves 208, the plurality of springs 202 are reset to drive the disc 201 to abut against the two blocks 304, and therefore the installation of the measuring head 107 and the lower housing 102 is completed, and the hollow rod 204 and the rod body 205 are arranged, and when the disc 201 moves, the hollow rod 201 drives the disc 201 to slide correspondingly, and the stability of the disc 201 can be improved.
Third embodiment:
on the basis of the first embodiment, please refer to fig. 8 and 9, fig. 8 is a schematic structural view of a third embodiment of the present invention, and fig. 9 is a partial enlarged structural view of fig. 8 at C of the present invention.
The invention provides an anti-vibration probe of a vortex shedding flowmeter, which also comprises an adjusting assembly, wherein the adjusting assembly comprises a ring block 301, a screw rod 302, a supporting block 303, a block 304 and an anti-slip ring sleeve 305.
For the present embodiment, the adjusting assembly is disposed on the upper housing 101, and by providing the adjusting assembly, the position of the measuring head 107 can be adjusted.
The ring block 301 is fixedly connected with the upper shell 101, one end of the screw rod 302 is fixedly connected with the block 304, the other end of the screw rod 302 penetrates through the ring block 301 and is fixedly connected with the supporting block 303, a notch matched with the ring block 301 is formed in the flowmeter, the ring block 301 is inserted into the reserved notch and slides in the notch, after the ring block 301 slides to a designated position, the block 304 drives the screw rod 302 to rotate, and the screw rod 302 drives the supporting block 303 to support the flowmeter, so that the position of the measuring head 107 can be conveniently adjusted.
Second, the anti-slip collar 305 is bonded to the block 304, and by providing the anti-slip collar, an anti-slip effect can be achieved between the hand and the block 304.
The anti-vibration probe of the vortex shedding flowmeter is characterized in that a notch matched with the ring block 301 is formed in the flowmeter, the ring block 301 is inserted into the reserved notch and slides in the notch, after the ring block slides to a designated position, the block 304 is screwed, the block 304 drives the screw rod 302 to rotate, the screw rod 302 drives the supporting block 303 to support the flowmeter, the position of the measuring head 107 can be adjusted more conveniently, and an anti-slip effect can be achieved between the hand and the block 304 by arranging the anti-slip lantern ring.
Fourth embodiment:
referring to fig. 10 on the basis of the third embodiment, fig. 10 is a schematic structural view of a fourth embodiment of the present invention.
The invention provides an anti-vibration probe of a vortex shedding flowmeter, which also comprises a stabilizing assembly, wherein the stabilizing assembly comprises a circular ring 401, two holding pieces 402 and two protecting pieces 403.
For the present embodiment, the stabilizing assembly is provided on the lower housing 102, and by providing the stabilizing assembly, stability of the lower housing 102 can be maintained when the lower housing 102 is installed and the lower housing 102 is removed.
The inner surface wall of the circular ring 401 is fixedly connected with the outer surface wall of the lower housing 102, the two holding members 402 are fixedly connected with the circular ring 401, and the holding members 402 are held to push or pull the lower housing 102 to play a role in stabilizing.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (7)
1. An anti-vibration probe of a vortex shedding flowmeter, comprising a measuring piece for measuring the frequency generated by a vortex, characterized in that,
the anti-seismic assembly is also included;
the anti-vibration assembly comprises an upper shell, a lower shell, two attaching plates, two capacitor pole plates and connecting electric cables, wherein the lower shell is arranged below the upper shell, the upper shell is used for being installed on the vortex street flowmeter, the measuring piece is arranged in the lower shell, the two capacitor pole plates are arranged in the upper shell, the two attaching plates are respectively arranged on the corresponding capacitor pole plates, the two connecting electric cables are respectively connected with the corresponding capacitor pole plates, and the two connecting electric cables are connected with a signal processor on the vortex street flowmeter;
still include adjusting part, adjusting part includes the loop wheel, the lead screw, supports and hold piece, block and anti-skidding ring cover, the loop wheel with go up casing fixed connection, the one end of lead screw with block fixed connection, the other end of lead screw runs through the loop wheel, and with support and hold piece fixed connection, set up on the flowmeter with the notch of loop wheel looks adaptation, will the loop wheel inserts in the notch of reservation to slide in the notch, after sliding to the assigned position, twist the block, the block drives the lead screw rotates, the lead screw drives support and hold the piece support and hold on the flowmeter can, anti-skidding ring cover with the block bonds.
2. The vibration-resistant probe of vortex shedding flowmeter of claim 1,
the anti-seismic assembly further comprises two supporting rods, one ends of the two supporting rods are fixedly connected with the corresponding capacitor pole plates respectively, and the other ends of the two supporting rods are fixedly connected with the upper shell.
3. The vibration-resistant probe of vortex shedding flowmeter of claim 2,
the measuring piece comprises a measuring head and two circular shafts, one ends of the two circular shafts are rotationally connected with the lower shell, and the other ends of the two circular shafts are fixedly connected with the measuring head.
4. The vibration-resistant probe of vortex shedding flowmeter of claim 3,
the anti-vibration probe of the vortex shedding flowmeter further comprises a mounting assembly, and the mounting assembly is arranged on the lower shell.
5. The vibration-resistant probe of vortex shedding flowmeter of claim 4,
the installation component includes disc, many springs and two pieces of piece, it is provided with first recess, two through-holes and two second recesses to go up the casing, many the springs all set up in the first recess, the one end of spring with go up casing fixed connection, the other end of spring with disc fixed connection, two piece the piece all with lower casing fixed connection, and two piece the piece is placed in the second recess.
6. The vibration-resistant probe of vortex shedding flowmeter of claim 5,
the installation component still includes many telescopic links, and is many the telescopic link all sets up in the first recess, the telescopic link sets up the disc with go up between the casing.
7. The vibration-resistant probe of vortex shedding flowmeter of claim 6,
the telescopic rod comprises a hollow rod and a rod body, one end of the hollow rod is fixedly connected with the upper shell, the other end of the hollow rod is sleeved with the rod body, and one end of the rod body away from the hollow rod is fixedly connected with the disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211112042.5A CN115628782B (en) | 2022-09-13 | 2022-09-13 | Anti-vibration probe of vortex shedding flowmeter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211112042.5A CN115628782B (en) | 2022-09-13 | 2022-09-13 | Anti-vibration probe of vortex shedding flowmeter |
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| Publication Number | Publication Date |
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| CN115628782A CN115628782A (en) | 2023-01-20 |
| CN115628782B true CN115628782B (en) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211112042.5A Active CN115628782B (en) | 2022-09-13 | 2022-09-13 | Anti-vibration probe of vortex shedding flowmeter |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000074711A (en) * | 1998-08-31 | 2000-03-14 | Yokogawa Electric Corp | Vortex flowmeter |
| JP2006084196A (en) * | 2004-09-14 | 2006-03-30 | Oval Corp | Vortex flowmeter integrated with temperature sensor |
| CN101294831A (en) * | 2008-06-19 | 2008-10-29 | 崔从文 | Differential-capacitor type vortex-street flow meter |
| KR20120009156A (en) * | 2010-07-22 | 2012-02-01 | 주식회사 우진 | vortex flowmeter |
| CN212110143U (en) * | 2020-05-09 | 2020-12-08 | 上海驰控自动化仪表有限公司 | Vortex shedding flowmeter with strong shock resistance |
| CN113465688A (en) * | 2021-07-12 | 2021-10-01 | 西尼尔(南京)过程控制有限公司 | Anti-vibration probe of vortex shedding flowmeter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10066976B2 (en) * | 2016-06-08 | 2018-09-04 | Wisenstech Ltd. | Vortex flow meter with micromachined sensing elements |
-
2022
- 2022-09-13 CN CN202211112042.5A patent/CN115628782B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000074711A (en) * | 1998-08-31 | 2000-03-14 | Yokogawa Electric Corp | Vortex flowmeter |
| JP2006084196A (en) * | 2004-09-14 | 2006-03-30 | Oval Corp | Vortex flowmeter integrated with temperature sensor |
| CN101294831A (en) * | 2008-06-19 | 2008-10-29 | 崔从文 | Differential-capacitor type vortex-street flow meter |
| KR20120009156A (en) * | 2010-07-22 | 2012-02-01 | 주식회사 우진 | vortex flowmeter |
| CN212110143U (en) * | 2020-05-09 | 2020-12-08 | 上海驰控自动化仪表有限公司 | Vortex shedding flowmeter with strong shock resistance |
| CN113465688A (en) * | 2021-07-12 | 2021-10-01 | 西尼尔(南京)过程控制有限公司 | Anti-vibration probe of vortex shedding flowmeter |
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| CN115628782A (en) | 2023-01-20 |
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Denomination of invention: Seismic probe for vortex flowmeter Granted publication date: 20231017 Pledgee: Agricultural Bank of China Limited Nanjing Jiangning Branch Pledgor: SINIER (NANJING) PROCESS CONTROL Co.,Ltd. Registration number: Y2024980021142 |