CN108955783A - A kind of plugging device and the vortex-shedding meter using the plugging device - Google Patents
A kind of plugging device and the vortex-shedding meter using the plugging device Download PDFInfo
- Publication number
- CN108955783A CN108955783A CN201810854535.3A CN201810854535A CN108955783A CN 108955783 A CN108955783 A CN 108955783A CN 201810854535 A CN201810854535 A CN 201810854535A CN 108955783 A CN108955783 A CN 108955783A
- Authority
- CN
- China
- Prior art keywords
- vortex
- connecting pipe
- capping
- eddy generator
- shedding meter
- 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.)
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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
- G01F1/3209—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 using Karman vortices
-
- 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
Abstract
The present invention relates to a kind of plugging device and use the vortex-shedding meter of the plugging device, its technical characteristics is: its plugging device includes capping and insertion piece, capping is fixedly connected with the connecting pipe of vortex-shedding meter, insertion piece is fixedly connected with capping, and insertion piece is inserted into the eddy generator of vortex-shedding meter.Plugging device in the present invention can be plugged into eddy generator, realize different functions according to the different setting of insertion piece.When insertion piece is set as rubber column, anti-vibration functions are realized；When insertion piece is set as ultrasonic transducer, then the soil of eddy generator is removed, keep the measurement data of vortex-shedding meter accurate；When realizing the different function of plugging device, it is only necessary to which the insertion piece replacing connector and connecting with connector, without stopping line replacement, replacement is convenient.
Description
Technical field
The invention belongs to field of flow meters, and in particular to a kind of plugging device and the flux of vortex street using the plugging device
Meter.
Background technique
Vortex-shedding meter is and the vortex street vortex using the Karman vortex street isolated in generating body two sides of fluid in measurement pipeline
Frequency is directly proportional to flow velocity, measures fluid flow rate by the frequency of measurement sensor output signal.
The principle of vortex-shedding meter: column type swirl generating body is set in a fluid, is usually arranged as the cylindrical vortex of triangle
Generating body then alternately generates well-regulated vortex from swirl generating body two sides, and this vortex is known as toll bar vortex, and vortex is listed in
Swirl generating body downstream asymmetricly arranges.Vortex-shedding meter is according to Karman vortex street principle (K á rm á n Vortex Street)
It measures the volume flow of gas, steam or liquid, mark the volume flow of condition or the volume flowmeter of mass flow.And it can be used as stream
Transmitter is applied in automatic control system.Vortex-shedding meter is that applicating fluid oscillation principle comes measuring flow, fluid
When passing through vortex flow transmitter in the duct, is generated alternatively up and down after the swirl generating body of triangular prism and be proportional to the two of flow velocity
Column vortex, the release frequency of vortex is related with the fluid average speed and swirl generating body characteristic width that flow through swirl generating body,
The fluid average speed for flowing through swirl generating body can be calculated by measurement vortex frequency, then finds out flow.
In the development of vortex-shedding meter, vibration problem, electromagnetic interference problem, measurement lower limit problem are to hinder flux of vortex street
The principal element of meter development, application.
Eddy generator be column type be arranged in the duct between, both ends distinguish the radially secure top to insides of pipes with
Bottom end.When fluid flows through eddy generator, impact force can be generated to eddy generator, then eddy generator stress is shaken
It is dynamic, and the pipeline connecting with eddy generator is influenced, to make pipe vibration, the detection probe of vortex-shedding meter is inserted into pipe
It is influenced in road by pipe vibration, and then the measurement of vortex-shedding meter is made to generate error, make measurement inaccuracy.
In addition, eddy generator is easy the soil of winding fluid media (medium) when in use, the accuracy of measurement is influenced.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of plugging devices, and vortex street stream both may be implemented
The anti-vibration functions of meter, and the anti-pollution function of vortex-shedding meter may be implemented.
To achieve the goals above, present invention employs following technical solutions:
A kind of plugging device for vortex-shedding meter, including capping and insertion piece, the insertion piece and capping are solid
Fixed connection, the insertion piece are rubber column or ultrasonic transducer.
It further, further include connector, the insertion piece is fixedly connected by connector with capping, the insertion piece
It is fixedly connected with connector, the connector is detachably connected with capping.
A kind of vortex-shedding meter, including eddy generator and connecting pipe, the upper/lower terminal difference of the eddy generator
It is fixedly connected with connecting pipe, the eddy generator is hollow structure, inserted with above-mentioned in the cavity of the eddy generator
Plugging device, one end and the connecting pipe of the plugging device be detachably connected, and the other end of the plugging device, which passes through, to be connected
Adapter tube road is inserted into the cavity of eddy generator；The capping is fixedly connected with connecting pipe, and the insertion piece is inserted into
In the eddy generator of vortex-shedding meter.
Further, the capping is embedded into connecting pipe, the corresponding position connected in connecting pipe with capping
Embedded groove is installed, the capping is equipped with lug boss；The capping connect one side and connecting pipe shape with connecting pipe
It is adapted.
Further, the insertion piece is rubber column, and the rubber column is inserted into the cavity of eddy generator.
Further, the cavity of the rubber column and eddy generator is adapted and fills up the sky of entire eddy generator
Chamber, the upper end of the rubber column are pushed up the top to connecting pipe and are adapted to the inner wall of connecting pipe.
Further, the insertion piece is ultrasonic transducer.
Further, the plugging device further includes support rod, and the ultrasonic transducer is fixedly connected with support rod.
Further, the ultrasonic transducer is fixedly connected by support rod with connector, the support rod with connect
Head is fixedly connected.
Further, the ultrasonic transducer is arranged in the middle part of the cavity of eddy generator or top；The support
Bar, connector and capping are correspondingly provided with the through-hole of the electric wire for passing through ultrasonic transducer.
Beneficial effects of the present invention:
1, the plugging device in the present invention can be plugged into eddy generator, be realized not according to the different setting of insertion piece
Same function.When insertion piece is set as rubber column, then the fluid of connecting pipe can be by rubber to the impact force of eddy generator
Column snubber realizes anti-vibration functions；When insertion piece is set as ultrasonic transducer, then ultrasonic transducer can issue ultrasound
Wave cleans eddy generator, and the soil of eddy generator is removed, keeps the measurement data of vortex-shedding meter accurate.
2, when realizing the different function of plugging device, it is only necessary to replace connector and the insertion piece connecting with connector i.e.
Can, without stopping line replacement.Since connector is to be threadedly coupled with capping, connector need to only be screwed out, be changed with phase
The connector answering the insertion piece of function and being attached thereto is screwed into capping, and replacement is convenient.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment one；
Fig. 2 is the overall structure diagram of embodiment two；
Fig. 3 is the structural schematic diagram of capping；
Fig. 4 is the top view illustration of Fig. 3.
Description of symbols:
1. gauge outfit；2. connecting rod；3. detection probe；4. eddy generator；5. connecting pipe；6. connecting flange；71. blocking
Lid；72. connector；73. rubber column；74. ultrasonic transducer；75. support rod.
Specific embodiment
Below with reference to Fig. 1 to Fig. 4, the present invention is further described.
Embodiment one: a kind of vibrationproof and antifouling vortex-shedding meter, it is smaller which is not suitable for eddy generator 4
Model.
As shown in Figure 1, the vortex-shedding meter of the present embodiment includes gauge outfit 1, connecting rod 2, detection probe 3, eddy generator
4, connecting pipe 5, connecting flange 6 and plugging device, vortex-shedding meter are connect by connecting flange 6 with the tested pipeline of two sides,
Fluid is flowed into from the tested pipeline in left side in connecting pipe 5 and followed by eddy generator 4 and detection probe 3, is finally flowed
Enter the tested pipeline to right side, the frequency signal that detection probe 3 will test is transmitted to processing in the circuit board in gauge outfit 1 and calculates simultaneously
Obtain the data on flows in connecting pipe 5.
Since gauge outfit 1, connecting rod 2, detection probe 3 etc. are all the prior art in the vortex-shedding meter of the present embodiment,
The description of specific structure and connection relationship etc. is not done in the present embodiment, in addition, it is necessary to illustrate, temperature sensing in the present embodiment
Device and pressure sensor design in vortex-shedding meter, cost-saved and installation effectiveness.The present embodiment essentially consists in whirlpool
The improvement of generating body 4 and the connecting pipe 5 connecting with eddy generator 4, is the setting of plugging device, and plugging device passes through
Connecting pipe 5 is inserted into eddy generator 4.
Eddy generator 4 is hollow structure, the tube body that can be communicated for both ends, can also be to be closed at one end and the other end is open
Shell；The section of eddy generator 4 can be circle, perhaps be triangle perhaps be trapezoidal to be perhaps rectangle or be T-type.
In the present embodiment, eddy generator 4 is the tube body that communicates of both ends of trapezoid cross section, the upper/lower terminal of eddy generator 4 respectively with
Connecting pipe 5 is fixedly connected, and one end and the connecting pipe 5 of plugging device are detachably connected, and the other end of plugging device, which passes through, to be connected
Adapter tube road 5 is inserted into the cavity of eddy generator 4, and in the present embodiment, plugging device and connecting pipe 5 connect by the way that screw is fixed
It connects.
Plugging device includes capping 71, connector 72 and rubber column 73, wherein rubber column 73 and the fixed company of capping 71
It connects, one end of rubber column 73 is fixedly connected with capping 71, and the other end of rubber column 73 is inserted into the cavity of eddy generator 4
And push up the top for arriving connecting pipe 5.Rubber column 73 can be directly fixedly connected with capping 71, can also be connected by the way that intermediate member is fixed
It connects, in the present embodiment, rubber column 73 is fixedly connected by connector 72 with capping 71, wherein rubber column 73 and connector 72
It is fixedly connected, connector 72 is detachably connected with capping 71, it is preferred that connector 72 is threadedly coupled with capping 71；For with
The connection of connecting pipe 5 is more stable, and capping 71 is embedded into connecting pipe 5, connect in connecting pipe 5 with capping 71
Corresponding position is equipped with embedded groove, and capping 71 is correspondingly provided with lug boss and is inserted into embedded groove；To be more bonded with connecting pipe 5
Fixed, capping 71 connect one side with connecting pipe 5 and is adapted with 5 shape of connecting pipe.
Rubber column 73 has the function of vibration reduction and cushioning, since eddy generator 4 is hollow structure, when eddy generator 4
When cavity is more empty, stronger vibration can occur for fluid impact eddy generator 4, can vibrate repeatedly in cavity, and then make connecting tube
Road 5 vibrates, and rubber column 73 is inserted into the cavity of eddy generator 4 can impact force by fluid to eddy generator 4
Snubber then can then be greatly reduced by the vibration that eddy generator 4 is transmitted to connecting pipe 5, further, to keep vibration damping slow
Rush that effect is more preferable, the cavity of rubber column 73 and eddy generator 4 is adapted and fills up the cavity of entire eddy generator 4, rubber
It pushes up the top to connecting pipe 5 and is adapted to the inner wall of connecting pipe 5 in the upper end of column 73；Further, it is beaten on rubber column 73
Multiple apertures, it is possible to increase to the snubber area of vibrational energy, raising subtracts buffering effect.
During installation, rubber column 73 and connector 72 are fixed, and then connector 72 screws in capping 71 shape that is connected
At plugging device, the rubber column 73 of plugging device is inserted into the cavity of eddy generator 4, and then capping 71 is tight by screw
Gu in connecting pipe 5.
At work, fluid is buffered the impact force of eddy generator 4 by rubber column 73 to the vortex-shedding meter of the present embodiment
It absorbs, then the vibration from eddy generator 4 suffered by connecting pipe 5 can then be reduced, and vibration suffered by detection probe 3 is corresponding
It reduces；It, then can be by rubber when being transmitted at eddy generator 4 when the left side of connecting pipe 5 is by extraneous or other vibrations
73 snubber of column falls, and can reduce the vibrational energy for being transmitted to detection probe 3 to a certain extent, is subject to detection probe 3
Vibration interference is reduced, and improves measurement accuracy.
Embodiment two: the present embodiment and the other structures of embodiment one are essentially identical, essentially consist in the structure of plugging device
It is different.In use, eddy generator 4 is easy to be influenced by fluid is dirty vortex-shedding meter, and eddy generator 4 is easily
It is dirty by medium or wound by dirt, change its geometric dimension, strong influence is caused to measurement accuracy.
Therefore, the present embodiment is used to remove the soil on eddy generator 4.As shown in Fig. 2, plugging device includes blocking
Lid 71, connector 72, support rod 75 and ultrasonic transducer 74, ultrasonic transducer 74 are fixedly connected and are inserted into capping 71
Into the cavity of eddy generator 4.Ultrasonic transducer 74 can be directly fixedly connected with capping 71, can also pass through intermediate member
It is fixedly connected, in the present embodiment, ultrasonic transducer 74 is fixedly connected by connector 72 with capping 71, to make ultrasonic waves
Can device 74 effect it is more preferable, ultrasonic transducer 74 is arranged in the present embodiment in the middle part of the cavity of eddy generator 4 or on
Portion, ultrasonic transducer 74 is fixedly connected by support rod 75 with connector 72 at this time, ultrasonic transducer 74 and support rod 75
It is fixedly connected, support rod 75 is fixedly connected with connector 72, and connector 72 is threadedly coupled with capping 71；For with connecting pipe 5
Connection it is more stable, capping 71 is embedded into connecting pipe 5, the corresponding position connecting in connecting pipe 5 with capping 71
Equipped with embedded groove, capping 71 is correspondingly provided with lug boss and is inserted into embedded groove；To be more bonded fixation with connecting pipe 5, seal
Blanking cover 71 connect one side with connecting pipe 5 and is adapted with 5 outer wall of connecting pipe.Since ultrasonic transducer 74 needs to draw in electric wire
Outside is arrived out, therefore support rod 75, connector 72 and capping 71 are correspondingly provided with the through-hole for passing through electric wire.
Ultrasonic transducer 74 is a kind of energy conversion device, its function is that the electrical power of input is converted into mechanical work
Rate (i.e. ultrasonic wave) passes again, and itself the seldom a part of power of consumption.I other words utilizing ultrasound in the present embodiment
Wave transducer 74 issues soil of the ultrasonic wave on vibration washing eddy generator 4 and eddy generator 4, if connecting tube
What is measured in road 5 is liquid, is also carried out clearly to the high energy bubble that liquid vibration generates to eddy generator 4 using ultrasonic wave
It washes.
The present embodiment for ought after a period of use, be wound on eddy generator 4 soil influence measurement data when,
The rubber column 73 in embodiment can then be disassembled, change the ultrasonic transducer 74 of the present embodiment for eddy generator 4
Soil removal influences production efficiency without stopping line processing, only need to plugging device be removed and be changed during dismounting and change
It is upper, the work of entire vortex-shedding meter is not influenced, certainly, during ultrasonic cleaning, can more or less generate vibration
And the detection accuracy of detection probe 3 is influenced, but scavenging period is relatively fast, therefore overall unaffected.After the completion of cleaning, lead to
Rotary connecting joint 72 is crossed, the plugging device with ultrasonic transducer 74 can be changed, rubber column 73 is changed on capping 71,
It can continue the anti-vibration functions of realization vortex-shedding meter.
The foregoing is merely better embodiments of the invention, and the invention is not limited to above embodiment, are implementing
The structural modification small there may be part in the process, if various changes or modifications of the invention are not departed from essence of the invention
Mind and range, and belong within the scope of claim and equivalent technologies of the invention, then the present invention is also intended to encompass these changes
And modification.
Claims (10)
1. a kind of plugging device for vortex-shedding meter, it is characterised in that: including capping and insertion piece, the insertion piece with
Capping is fixedly connected, and the insertion piece is rubber column or ultrasonic transducer.
2. the plugging device according to claim 1 for vortex-shedding meter, it is characterised in that: it further include connector, institute
It states insertion piece and is fixedly connected by connector with capping, the insertion piece is fixedly connected with connector, the connector and envelope
Blanking cover is detachably connected.
3. a kind of vortex-shedding meter, including eddy generator and connecting pipe, the upper/lower terminal of the eddy generator respectively with
Connecting pipe is fixedly connected, it is characterised in that: the eddy generator is hollow structure, is inserted in the cavity of the eddy generator
Enter plugging device described in having the right to require 1 or 2, one end and the connecting pipe of the plugging device are detachably connected, the envelope
The other end of block apparatus passes through connecting pipe and is inserted into the cavity of eddy generator；The capping and the fixed company of connecting pipe
It connects, the insertion piece is inserted into the eddy generator of vortex-shedding meter.
4. vortex-shedding meter according to claim 3, it is characterised in that: the capping is embedded into connecting pipe,
The corresponding position connecting in connecting pipe with capping is equipped with embedded groove, and the capping is equipped with lug boss；The capping with
Connecting pipe connection one side is adapted with connecting pipe shape.
5. vortex-shedding meter according to claim 3 or 4, it is characterised in that: the insertion piece is rubber column, the rubber
Column is inserted into the cavity of eddy generator.
6. vortex-shedding meter according to claim 5, it is characterised in that: the cavity phase of the rubber column and eddy generator
The cavity of entire eddy generator is adapted to and fills up, the upper end of the rubber column is pushed up to the top of connecting pipe and and connecting pipe
Inner wall adapt to.
7. vortex-shedding meter according to claim 3 or 4, it is characterised in that: the insertion piece is ultrasonic transducer.
8. vortex-shedding meter according to claim 7, it is characterised in that: the plugging device further includes support rod, described
Ultrasonic transducer is fixedly connected with support rod.
9. vortex-shedding meter according to claim 8, it is characterised in that: the ultrasonic transducer passes through support rod and company
Connector is fixedly connected, and the support rod is fixedly connected with connector.
10. vortex-shedding meter according to claim 9, it is characterised in that: the ultrasonic transducer setting is sent out in whirlpool
In the middle part of the cavity of raw body or top；The support rod, connector and capping are correspondingly provided with for across ultrasonic wave transducer
The through-hole of the electric wire of device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810854535.3A CN108955783B (en) | 2018-07-30 | 2018-07-30 | Plugging device and vortex shedding flowmeter using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810854535.3A CN108955783B (en) | 2018-07-30 | 2018-07-30 | Plugging device and vortex shedding flowmeter using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108955783A true CN108955783A (en) | 2018-12-07 |
| CN108955783B CN108955783B (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810854535.3A Active CN108955783B (en) | 2018-07-30 | 2018-07-30 | Plugging device and vortex shedding flowmeter using same |
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| Country | Link |
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| CN (1) | CN108955783B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637935A (en) * | 2020-06-11 | 2020-09-08 | 浙江奥新仪表有限公司 | Vortex street flowmeter |
| CN112345007A (en) * | 2020-11-10 | 2021-02-09 | 江苏微浪电子科技有限公司 | Special precession vortex flowmeter for natural gas |
| CN113551721A (en) * | 2020-04-23 | 2021-10-26 | 中国石油化工股份有限公司 | Vortex street flowmeter and flow detection method thereof |
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| CN113551721A (en) * | 2020-04-23 | 2021-10-26 | 中国石油化工股份有限公司 | Vortex street flowmeter and flow detection method thereof |
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| CN112345007B (en) * | 2020-11-10 | 2024-01-26 | 江苏微浪电子科技有限公司 | Special type precession vortex flowmeter for natural gas |
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|---|---|
| CN108955783B (en) | 2020-03-31 |
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Address after: No. 104-1, building a, No. 186, Qishan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Instrument Control Automation Instrument Co., Ltd Address before: 510000 west half of 1 building, A1 building, West 83, Tianhe District new town, Tianhe District, Guangzhou. Patentee before: GUANGZHOU YIKONG AUTOMATION INSTRUMENT Co.,Ltd. |