CN115628782A - Anti-vibration probe of vortex shedding flowmeter - Google Patents
Anti-vibration probe of vortex shedding flowmeter Download PDFInfo
- Publication number
- CN115628782A CN115628782A CN202211112042.5A CN202211112042A CN115628782A CN 115628782 A CN115628782 A CN 115628782A CN 202211112042 A CN202211112042 A CN 202211112042A CN 115628782 A CN115628782 A CN 115628782A
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- Prior art keywords
- vortex shedding
- shedding flowmeter
- seismic
- measuring
- vortex
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- 239000000523 sample Substances 0.000 title claims abstract description 33
- 239000003990 capacitor Substances 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 9
- 230000035945 sensitivity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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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 flowmeters, in particular to an anti-seismic probe of a vortex shedding flowmeter, which comprises a measuring part and an anti-seismic component, wherein the anti-seismic component comprises an upper shell, a lower shell, two attachment plates, two capacitance polar plates and connecting electric cables, the lower shell is arranged below the upper shell, the upper shell is used for being installed on the vortex shedding flowmeter, the measuring part is arranged in the lower shell, the two capacitance polar plates are arranged in the upper shell, the two attachment 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 flowmeter.
Description
Technical Field
The invention relates to the technical field of flowmeters, in particular to an anti-seismic probe of a vortex shedding flowmeter.
Background
The traditional vortex street flowmeter has the same structure no matter gas or liquid is measured, the measuring range is difficult to be widened, the highest measuring range is 40: 1, and the difference between the measuring range and the measuring range ratio of 100: 1 of the electromagnetic flowmeter is not small.
In order to solve the above problems, prior art patent publication No. CN 20139156Y discloses a magnetoelectric probe of a vortex shedding flowmeter, which comprises a measuring probe, wherein a groove is formed at the bottom of the measuring probe, a left electrode and a right electrode are oppositely arranged in the groove, and a magnet is arranged on the measuring probe above the groove.
However, the probe in the above mode has poor anti-seismic and anti-interference capabilities, and is easily interfered by field vibration, so that the measurement result is influenced.
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 capability and is easily interfered by field vibration, so that the measurement result is influenced.
In order to achieve the purpose, the anti-seismic probe of the vortex shedding flowmeter comprises a measuring piece and an anti-seismic assembly, wherein the measuring piece is used for measuring the frequency generated by vortex, the anti-seismic assembly comprises an upper shell, a lower shell, two attachment plates, two capacitance polar plates and connecting electric cables, 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 polar plates are arranged in the upper shell, the two attachment 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 flowmeter.
The anti-seismic assembly further comprises two supporting rods, one ends of the two supporting rods are fixedly connected with the corresponding capacitor plates respectively, and the other ends of the two supporting rods are fixedly connected with the upper shell.
Wherein, the measuring part includes measuring head and two circle axles, two the one end of circle axle all with the casing rotates down to be connected, two the other end of circle axle all with measuring head fixed connection.
The anti-seismic probe of the vortex shedding flowmeter further comprises a mounting assembly, and the mounting assembly is arranged on the lower shell.
The mounting assembly comprises a disc, a plurality of springs and two supporting blocks, the upper shell is provided with a first groove, two through holes and two second grooves, the springs are all arranged in the first groove, one end of each spring is fixedly connected with the upper shell, the other end of each spring is fixedly connected with the disc, the two supporting blocks are fixedly connected with the lower shell, and the two supporting blocks are arranged in the second grooves.
The mounting assembly further comprises a plurality of telescopic rods, the telescopic rods are arranged in the first groove, and the telescopic rods are arranged between the disc and the upper shell.
Wherein, the telescopic link includes well cavity pole and the body of rod, the one end of well cavity pole with go up casing fixed connection, the other pot head of well cavity pole is established the body of rod, the body of rod is kept away from the one end of well cavity pole with disc fixed connection.
The invention relates to an anti-seismic probe of a vortex shedding flowmeter, which is characterized in that the measuring part is arranged and used for measuring the frequency generated by a vortex generator, signals are transmitted to a signal processor on the vortex shedding flowmeter from two connecting cables through two attachment plates and two capacitance plates, the measuring part is arranged at the rear side of the vortex generator through the anti-seismic assembly, and the measuring part has the advantages of high sensitivity, small measurement error and large range ratio.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
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 isbase:Sub>A cross-sectional view of thebase:Sub>A-base:Sub>A line structure of fig. 1 of the present invention.
Fig. 4 is a cross-sectional view of the B-B line structure of fig. 2 of the present invention.
Fig. 5 is a partial structural schematic diagram 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 diagram of a third embodiment of the present invention.
Fig. 9 is an enlarged view of a portion of the structure of fig. 8C according to the present invention.
Fig. 10 is a schematic structural diagram of a fourth embodiment of the present invention.
101-upper shell, 102-lower shell, 103-attachment plate, 104-capacitance plate, 105-connecting electric cable, 106-support rod, 107-measuring head, 108-round shaft, 201-round disk, 202-spring, 203-support block, 204-hollow rod, 205-rod body, 206-first groove, 207-through hole, 208-second groove, 301-ring block, 302-lead screw, 303-abutting block, 304-block body, 305-antiskid ring sleeve, 401-ring, 402-holding piece and 403-protection piece.
Detailed Description
The first embodiment:
referring to fig. 1 to 4, fig. 1 isbase:Sub>A front view ofbase:Sub>A first embodiment of the present invention, fig. 2 isbase:Sub>A rear view of the first embodiment of the present invention, fig. 3 isbase:Sub>A sectional view ofbase:Sub>A-base:Sub>A line structure of fig. 1, and fig. 4 isbase:Sub>A sectional view ofbase:Sub>A B-B line structure of fig. 2. The invention provides an anti-seismic probe of a vortex shedding flowmeter, which comprises: the device comprises a measuring piece and an anti-seismic assembly, wherein the anti-seismic assembly comprises an upper shell 101, a lower shell 102, two attachment plates 103, two capacitance plates 104, a connecting cable 105 and two support rods 106, and the measuring piece comprises a measuring head 107 and two circular shafts 108;
according to the specific embodiment, the measuring part is arranged and used for measuring the frequency generated by the vortex generator, and the measuring part is arranged on the rear side of the vortex generator, so that the measuring part has the advantages of high sensitivity, small measuring error and large range ratio.
The lower shell 102 is arranged below the upper shell 101, the upper shell 101 is used for being mounted on a vortex shedding flowmeter, the measuring part is arranged in the lower shell 102, the two capacitor plates 104 are arranged in the upper shell 101, the two attachment plates 103 are respectively arranged on the corresponding capacitor plates 104, the 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, the measuring part is arranged for measuring the frequency generated by vortex generated by a vortex generator, signals are transmitted from the two connecting electric cables 105 to a signal processor on the vortex shedding flowmeter through the two attachment plates 103 and the two capacitor plates 104, the measuring part is arranged on the rear side of the vortex generator through the arrangement of the anti-vibration assembly, the measuring part has the advantages of high sensitivity, small measuring error and large measuring range ratio, the capacitance plates 104 are arranged on each attachment plate 103, the two attachment plates 103 are made of ceramic materials, the two attachment plates 103 are not easy to be manufactured, the anti-vibration plates 103 are high in anti-vibration performance, and the anti-vibration probe has high anti-interference performance, and high anti-vibration performance, so that the probe is suitable for high in-interference of a high-interference effect on-temperature and high-resistance.
Secondly, one end of each of the two support rods 106 is fixedly connected with the corresponding capacitor plate 104, the other end of each of the two support rods 106 is fixedly connected with the upper casing 101, and the anti-interference capability of the two attachment plates 103 is further improved by the two support rods 106.
Meanwhile, one end of each of the two circular shafts 108 is rotatably connected to the lower housing 102, the other end of each of the two circular shafts 108 is fixedly connected to the measuring head 107, and the measuring head 107 drives the two shaft bodies to rotate on the lower housing 102 when the measuring head 107 measures the frequency generated by the vortex by setting the two circular shafts 108.
By using the anti-vibration probe of the vortex shedding flowmeter of the embodiment, the measuring piece is arranged and used for measuring the frequency generated by the vortex generator, signals are transmitted to the signal processor on the vortex shedding flowmeter from the two connecting electric cables 105 through the two attachment plates 103 and the two capacitor plates 104, and the measuring piece is arranged at the rear side of the vortex generator through the anti-vibration component, so that the measuring piece has the advantages of high sensitivity, small measuring error and large range ratio, and the two attachment plates 103 are made of ceramic materials by arranging the capacitor plates 104 on each attachment plate 103, so that the two attachment plates 103 provide high temperature resistance, high vibration resistance and high pressure resistance for the anti-vibration probe of the vortex shedding flowmeter, and the anti-vibration probe is suitable for measuring various fluid media.
The second embodiment:
on the basis of the first embodiment, please refer to fig. 5 to 7, fig. 5 is a partial structural schematic diagram of the second embodiment of the present invention, fig. 6 is a partial structural schematic diagram of the second embodiment of the present invention, and fig. 7 is a structural schematic diagram of the upper housing of the second embodiment of the present invention.
The invention provides an anti-seismic probe of a vortex shedding flowmeter, which further comprises a mounting assembly, wherein the mounting assembly comprises a disc 201, a plurality of springs 202, two support blocks 203 and a plurality of telescopic rods, and each telescopic rod comprises a hollow rod 204 and a rod body 205.
For the present embodiment, the mounting assembly is disposed on the lower housing 102, and the measuring head 107 can be mounted and dismounted more conveniently by the mounting assembly.
When the measuring head 107 needs to be mounted, only the lower housing 102 needs to be held, so that the two blocks 304 align with the two through holes 207 and continue to push the lower housing 102 upwards, the lower housing 102 drives the two blocks 304 to penetrate through the two through holes 207 and abut against the disc 201, the disc 201 drives the plurality of springs 202 to contract, the lower housing 102 rotates after the two blocks 304 are pushed to the designated position, the lower housing 102 drives the two blocks 304 to rotate on the surface of the disc 201, and after the two blocks 304 slowly rotate to the designated position, the two blocks 304 are loosened, the two blocks 304 enter the two second grooves 208, the two blocks 202 drive the two springs 202 to reset the upper housing 202, and the two springs 202 drive the lower housing 102 to reset the two blocks 201 and the measuring head 107 to be mounted on the lower housing, so that the two springs 201 and the two blocks 201 abut against the lower housing 102.
Secondly, many the telescopic link all sets up in first recess 206, the telescopic link setting is in disc 201 with between the upper housing 101, through setting up many the telescopic link can promote disc 201's stability.
Again, the one end of cavity pole 204 with go up casing 101 fixed connection, the other pot head of cavity pole 204 is established the body of rod 205, the body of rod 205 is kept away from the one end of cavity pole 204 with disc 201 fixed connection, through setting up cavity pole 204 with the body of rod 205 when disc 201 removes, disc 201 drives the body of rod 205 is in corresponding slide in cavity pole 204 to this can promote disc 201's stability.
When the measuring head 107 needs to be installed, the anti-vibration probe of the vortex shedding flowmeter according to this embodiment is used, and only the lower casing 102 needs to be held, so that the two blocks 304 align with the two through holes 207 and continue to push the lower casing 102 upwards, the lower casing 102 drives the two blocks 304 to penetrate through the two through holes 207 and abut against the disc 201, so that the disc 201 drives the plurality of springs 202 to contract, the two blocks 304 are pushed to the designated position, the lower casing 102 is rotated, the lower casing 102 drives the two blocks 304 to rotate on the surface of the disc 201, after the two blocks are rotated to the designated position, the hands are slowly loosened, the two blocks 304 enter the two second grooves 208, the plurality of springs 202 are reset to drive the disc 201 to abut against the two blocks 304, so that the measuring head 107 and the lower casing 102 are installed, and by arranging the hollow rod 204 and the rod body 205, when the disc 201 moves, the rod body 201 drives the rod body 205 to slide in the hollow rod 204 corresponding to the disc 201, so that the stability of the disc 201 can be improved.
The third embodiment:
referring to fig. 8 and 9 based on the first embodiment, fig. 8 is a schematic structural diagram of a third embodiment of the present invention, and fig. 9 is an enlarged view of a partial structure at C of fig. 8 according to the present invention.
The invention provides an anti-seismic probe of a vortex shedding flowmeter, which further comprises an adjusting component, wherein the adjusting component comprises a ring block 301, a screw rod 302, a supporting block 303, a block body 304 and an anti-skid ring sleeve 305.
For the present embodiment, the adjusting component is disposed on the upper casing 101, and the position of the measuring head 107 can be adjusted by the adjusting component.
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 abutting 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, the block 304 is screwed after the ring block slides to a specified position, the block 304 drives the screw rod 302 to rotate, and the screw rod 302 drives the abutting block 303 to abut on the flowmeter, so that the position of the measuring head 107 can be adjusted more conveniently.
Secondly, the anti-slip ring sleeve 305 is bonded with the block body 304, and the anti-slip ring sleeve can play an anti-slip effect between the hand part and the block body 304.
Use vortex flowmeter's of this embodiment antidetonation probe, set up on the flowmeter with the notch of ring piece 301 looks adaptation will ring piece 301 inserts to the notch of reserving in to slide in the notch, slide to the assigned position after, twist and move block 304, block 304 drives lead screw 302 rotates, lead screw 302 drives support hold block 303 support hold on the flowmeter can, with this regulation that can be more convenient the position of measuring head 107, through setting up the antiskid lantern ring, can be to the hand with play the antiskid effect between the block 304.
The fourth embodiment:
referring to fig. 10 on the basis of the third embodiment, fig. 10 is a schematic structural diagram of a fourth embodiment of the present invention.
The invention provides a vortex shedding flowmeter's antidetonation probe still includes stable subassembly, the stable subassembly includes ring 401, two grips 402 and two guards 403.
For the present embodiment, the stabilizing component is disposed on the lower housing 102, and by providing the stabilizing component, the stability of the lower housing 102 can be maintained when the lower housing 102 is installed and removed.
The inner surface wall of the circular ring 401 is fixedly connected with the outer surface wall of the lower shell 102, the two holding pieces 402 are fixedly connected with the circular ring 401, and the lower shell 102 can be pushed or pulled to play a stabilizing role by holding the two holding pieces 402.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. An anti-seismic probe of a vortex shedding flowmeter, comprising a measuring member for measuring the frequency generated by a vortex, characterized in that,
also includes an anti-seismic assembly;
the antidetonation subassembly includes casing, lower casing, two attachment plates, two electric capacity polar plates and connecting wire cable, the casing sets up down the below of casing is gone up, it is used for installing on vortex flowmeter to go up the casing, the measuring part sets up it is internal, two the electric capacity polar plate all sets up in the upper casing, two the attachment plate sets up respectively and corresponds on the electric capacity polar plate, two the connecting wire cable respectively with correspond the electric capacity polar plate is connected, and two signal processor on the vortex flowmeter is connected to the connecting wire cable.
2. The anti-seismic probe of a 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 plates respectively, and the other ends of the two supporting rods are fixedly connected with the upper shell.
3. The anti-seismic probe of a vortex shedding flowmeter of claim 2,
the measuring part comprises a measuring head and two circular shafts, wherein one ends of the circular shafts are rotatably connected with the lower shell, and the other ends of the circular shafts are fixedly connected with the measuring head.
4. An anti-seismic probe of a vortex shedding flowmeter according to claim 3,
the anti-seismic probe of the vortex shedding flowmeter further comprises a mounting assembly, and the mounting assembly is arranged on the lower shell.
5. The anti-seismic probe of a vortex shedding flowmeter of claim 4,
the mounting assembly comprises a disc, a plurality of springs and two supporting blocks, the upper shell is provided with a first groove, two through holes and two second grooves, the springs are all arranged in the first groove, one end of each spring is fixedly connected with the upper shell, the other end of each spring is fixedly connected with the disc, the two supporting blocks are fixedly connected with the lower shell, and the two supporting blocks are arranged in the second grooves.
6. The anti-seismic probe of a vortex shedding flowmeter of claim 5,
the mounting assembly further comprises a plurality of telescopic rods, the telescopic rods are arranged in the first grooves, and the telescopic rods are arranged between the disc and the upper shell.
7. The anti-seismic probe of a vortex shedding flowmeter of claim 6,
the telescopic link includes well cavity pole and the body of rod, the one end of well cavity pole with go up casing fixed connection, the other pot head of well cavity pole is established the body of rod, the body of rod is kept away from the one end of well cavity pole with disc fixed connection.
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 |
Applications Claiming Priority (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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| CN115628782A true CN115628782A (en) | 2023-01-20 |
| CN115628782B CN115628782B (en) | 2023-10-17 |
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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 (7)
| 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 |
| US20170356772A1 (en) * | 2016-06-08 | 2017-12-14 | Wisenstech Inc. | Vortex flow meter with micromachined sensing elements |
| 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 |
-
2022
- 2022-09-13 CN CN202211112042.5A patent/CN115628782B/en active Active
Patent Citations (7)
| 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 |
| US20170356772A1 (en) * | 2016-06-08 | 2017-12-14 | Wisenstech Inc. | Vortex flow meter with micromachined sensing elements |
| 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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| CN115628782B (en) | 2023-10-17 |
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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 |