CN206504759U - A kind of flowmeter - Google Patents
A kind of flowmeter Download PDFInfo
- Publication number
- CN206504759U CN206504759U CN201720083073.0U CN201720083073U CN206504759U CN 206504759 U CN206504759 U CN 206504759U CN 201720083073 U CN201720083073 U CN 201720083073U CN 206504759 U CN206504759 U CN 206504759U
- Authority
- CN
- China
- Prior art keywords
- flowmeter
- limiting section
- table body
- damping means
- vibration damping
- 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.)
- Expired - Fee Related
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Abstract
The utility model is related to flow instrument technical field, discloses a kind of flowmeter, to reduce influence of the mechanical oscillation to flowmeter measurements, improves the accuracy of detection of flowmeter, reduces flowmeter cost.The flowmeter of the utility model embodiment includes table body, the through hole connected with inner chamber and with inner chamber；Sensor, is arranged in through hole, including be placed in the induction part of inner chamber and the limiting section that can be limited in outside through hole；Fixture, presses limiting section, and be fixedly connected with table body from a side cover of the limiting section away from table body；Damping means, are arranged between limiting section and table body and limiting section and fixture.
Description
Technical field
The utility model is related to flow instrument technical field, more particularly to a kind of flowmeter.
Background technology
Vortex-shedding meter is a kind of flowmeter that fluid volume flow is measured according to Karman vortex street principle, is mainly used in measurement
The volume flow of the volume flow of industrial pipeline medium fluid, such as gas, liquid and steam medium fluid.Vortex-shedding meter
Advantage is：The pressure loss is small, range ability is big, precision is high, and in Test Cycle volume flow it is close hardly by fluid
The influence of the parameters such as degree, pressure, temperature, viscosity.
Vortex-shedding meter is to measure flow by measuring fluid oscillating situation, and therefore, mechanical oscillation are flux of vortex street
One big formidable opponent of meter, slight mechanical oscillation will reduce the precision of flowmeter, if mechanical oscillation are heavier, will make flowmeter
Can not normally it work.
In addition, other measure the flowmeter of flow, such as vortex precession flowmeter using fluid oscillating principle, there is also above-mentioned skill
Art problem.In the prior art, flowmeter includes the table body with inner chamber, the flow sensor being arranged in table body and is arranged at table
External vibrating sensor, ideally, the flow that flow sensor is measured as fluid flow, however, due to equipment not
Evitable to there are mechanical oscillation, therefore, there is certain deviation in the detected value of flow sensor, and vibrating sensor can be detected
The mechanical oscillation of equipment, according to the detected value of the detected value modified flow rate sensor of vibrating sensor, can obtain more accurate
Fluid flow detected value.
Prior art has a drawback in that flowmeter structure is complicated, and cost is higher；When flow sensor and vibrating sensing
When device local environment medium is different, the susceptibility vibrated to plant machinery is also different, and therefore, the detected value of flowmeter still has
Certain deviation.
Utility model content
The utility model embodiment provides a kind of flowmeter, to reduce influence of the mechanical oscillation to flowmeter measurements,
Improve the accuracy of detection of flowmeter.
The flowmeter that the utility model is provided includes：
Table body, the through hole connected with inner chamber and with inner chamber；
Sensor, is arranged in the through hole, including be placed in the induction part of the inner chamber and can be limited in outside the through hole
Limiting section；
Fixture, presses the limiting section, and be fixedly connected with table body from a side cover of the limiting section away from table body；
Damping means, are arranged between limiting section and table body and limiting section and fixture.
It is preferred that, the damping means include being located at the first vibration damping portion between limiting section and table body and positioned at limiting section with
The second vibration damping portion between fixture.
Specifically, the first vibration damping portion is gasket seal, the second vibration damping portion is included positioned at the ring pad portion of limiting section side
With positioned at gasket part of the limiting section away from table body side.
Optionally, the first vibration damping portion is structure as a whole with the second vibration damping portion.
Specifically, flowmeter also includes the gasket seal being arranged between the first vibration damping portion and table body.
Optionally, the damping means are fixed on the limiting section of sensor.
Optionally, the table body is fixed in the first vibration damping portion, and the fixture is fixed in the second vibration damping portion.
It is preferred that, the density of the damping means material is less than 2.4g/cm3。
Optionally, the damping means include wooden damping means, aluminium alloy damping means, magnesium alloy damping means, had
Machine resin damping means, carbon fiber damping means.
Optionally, the flowmeter includes vortex-shedding meter or vortex precession flowmeter.
In the flowmeter that the utility model is provided, sensor is fixedly installed in table body, the sensing of sensor by fixture
Portion is placed in the inner chamber of table body through through hole, and the flow for detecting table in-vivo medium, the limiting section of sensor is limited in through hole
Outside, with fixture and table body phase pair, damping means is provided between limiting section and table body and limiting section and fixture, that is, are limited
Position portion is not contacted directly with table body and fixture.The damping means can effective isolating vibration signal, so as to reduce
Influence of the mechanical oscillation to flowmeter measurements, improves the accuracy of detection of flowmeter.In addition, the program is by increasing damping means
To improve the antivibration effect of flowmeter, scheme is simple, and cost is relatively low, and reliability is higher.
Brief description of the drawings
Fig. 1 is flowmeter structure schematic diagram in the embodiment of the utility model one；
Fig. 2 is table body structural representation in the embodiment of the utility model one；
Fig. 3 is sensor construction schematic diagram in the embodiment of the utility model one；
Fig. 4 is sensor construction front view in the embodiment of the utility model one；
Fig. 5 is sensor construction side view in the embodiment of the utility model one.
Reference：
1- table bodies；
11- inner chambers；
12- through holes；
2- sensors；
21- induction parts；
22- limiting sections；
3- fixtures；
4- damping means；
The first vibration dampings of 41- portion；
The second vibration dampings of 42- portion；
421- ring pads portion；
422- gasket part.
Embodiment
In order to reduce influence of the mechanical oscillation to flowmeter measurements, the accuracy of detection of flowmeter is improved, flowmeter is reduced
Cost, the utility model embodiment provides a kind of flowmeter.To make the purpose of this utility model, technical scheme and advantage more
It is clear, the utility model is described in further detail by the following examples.
Fig. 1 and Fig. 2 are refer to, the flowmeter that a kind of embodiment of the utility model is provided includes：Table body 1, with inner chamber 11
The through hole 12 connected with inner chamber 11；
Sensor 2, is arranged in through hole 12, including be placed in the induction part 21 of inner chamber 11 and the limit that can be limited in outside through hole 12
Position portion 22；
Fixture 3, presses limiting section 22, and be fixedly connected with table body 1 from a side cover of the limiting section 22 away from table body 1；
Damping means 4, are arranged between limiting section 22 and table body 1 and limiting section 22 and fixture 3.
In the flowmeter that the utility model is provided, sensor 2 is fixedly installed in table body 1 by fixture 3, sensor 2
Induction part 21 is placed in the inner chamber 11 of table body 1 through through hole 12, the flow for detecting medium in table body 1, sensor 2 it is spacing
Portion 22 is limited in outside through hole 12, relative with fixture 3 and table body 1, in limiting section 22 and table body 1 and limiting section 22 and fixture
Damping means 4, i.e. limiting section 22 is provided between 3 not contact with table body 1 and fixture 3 directly.The damping means 4 can be effective
Isolating vibration signal, so as to reduce influence of the mechanical oscillation to flowmeter measurements, improve the detection essence of flowmeter
Degree.In addition, the program improves the antivibration effect of flowmeter by increasing damping means 4, scheme is simple, and cost is relatively low, and can
It is higher by property.
In a preferred embodiment, damping means 4 include the first vibration damping portion being located between limiting section 22 and table body 1
41 and the second vibration damping portion 42 between limiting section 22 and fixture 3.As shown in figure 3, in a specific embodiment, the
One vibration damping portion 41 is gasket seal, and the second vibration damping portion 42 is included positioned at the ring pad portion 421 of the side of limiting section 22 and positioned at limiting section
22 gasket part 422 away from table body side.First vibration damping portion 41 of the damping means 4 of the program is except playing a part of vibration damping also
Sealed effect can be played, gasket seal preferably is flexible graphite gasket, and the material in the second vibration damping portion 42 can be with first
The material in vibration damping portion 41 is identical, can also be different.
As shown in Figure 4 and Figure 5, in an optional embodiment, the first vibration damping portion 41 is integrated with the second vibration damping portion 42
Structure is that the first vibration damping portion 41 is integrally formed with the second vibration damping portion 42, is arranged at the outside of limiting section 22, the program can simplify
The installation process of sensor 2.
In a specific embodiment, flowmeter also includes the sealing being arranged between the first vibration damping portion 41 and table body 1
Pad.That is, if the first vibration damping portion 41 does not possess sealed function, by setting up a gasket seal, the inner chamber of table body 1 can be made
11 keep sealing.
In an alternate embodiment of the invention, damping means 4 can be specific part, or be fixed on the limiting section of sensor 2
22, or the first vibration damping portion 41 is fixed on table body 1, fixture 3 is fixed in the second vibration damping portion 42.Technical staff can be according to reality
Damping means 4 in production and use demand selection, such scheme can be with the signal of isolating vibration, so as to reduce machinery
The influence of convection flow flowmeter measurement value, improves the accuracy of detection of flow.
The material of damping means 4 needs to have the characteristics such as low-density, high temperature resistant, anticorrosion, specifically, preferred density is less than
2.4g/cm3Material.Optional damping means 4 include wooden damping means, aluminium alloy damping means, magnesium alloy damping means,
Organic resin damping means, carbon fiber damping means, wherein, it is optimal for carbon fiber damping means, effectiveness in vibration suppression very well, still
Cost is higher with respect to the damping means 4 of other materials, and when medium temperature is higher, flowmeter preferably uses carbon fiber vibration damping portion
Part.
Flowmeter in such scheme can be vortex-shedding meter or vortex precession flowmeter, be surveyed using fluid oscillating principle
The flowmeter of amount flow can isolate vibration signal, shadow of the reduction mechanical oscillation to flowmeter measurements using such scheme
Ring, improve the accuracy of detection of flowmeter.
Obviously, those skilled in the art can to the utility model embodiment carry out it is various change and modification without departing from
Spirit and scope of the present utility model.So, if these modifications and variations of the present utility model belong to the utility model right
It is required that and its within the scope of equivalent technologies, then the utility model be also intended to comprising these change and modification including.
Claims (10)
1. a kind of flowmeter, it is characterised in that including：
Table body, the through hole connected with inner chamber and with inner chamber；
Sensor, is arranged in the through hole, including be placed in the induction part of the inner chamber and the limit that can be limited in outside the through hole
Position portion；
Fixture, presses the limiting section, and be fixedly connected with table body from a side cover of the limiting section away from table body；
Damping means, are arranged between limiting section and table body and limiting section and fixture.
2. flowmeter as claimed in claim 1, it is characterised in that the damping means include being located between limiting section and table body
The first vibration damping portion and the second vibration damping portion between limiting section and fixture.
3. flowmeter as claimed in claim 2, it is characterised in that the first vibration damping portion is gasket seal, the second vibration damping portion
Including the ring pad portion positioned at limiting section side and positioned at gasket part of the limiting section away from table body side.
4. flowmeter as claimed in claim 2, it is characterised in that the first vibration damping portion and the second vibration damping portion are integrated knot
Structure.
5. flowmeter as claimed in claim 4, it is characterised in that also close between the first vibration damping portion and table body including being arranged at
Gasket.
6. flowmeter as claimed in claim 1, it is characterised in that the damping means are fixed on the limiting section of sensor.
7. flowmeter as claimed in claim 2, it is characterised in that the table body, described are fixed in the first vibration damping portion
The fixture is fixed in two vibration damping portions.
8. flowmeter as claimed in claim 1, it is characterised in that the density of the damping means material is less than 2.4g/cm3。
9. flowmeter as claimed in claim 1, it is characterised in that the damping means include wooden damping means, aluminium alloy
Damping means, magnesium alloy damping means, organic resin damping means, carbon fiber damping means.
10. the flowmeter as described in any one of claim 1~9, it is characterised in that flowmeter includes vortex-shedding meter or rotation
Enter flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720083073.0U CN206504759U (en) | 2017-01-20 | 2017-01-20 | A kind of flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720083073.0U CN206504759U (en) | 2017-01-20 | 2017-01-20 | A kind of flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206504759U true CN206504759U (en) | 2017-09-19 |
Family
ID=59833069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720083073.0U Expired - Fee Related CN206504759U (en) | 2017-01-20 | 2017-01-20 | A kind of flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206504759U (en) |
-
2017
- 2017-01-20 CN CN201720083073.0U patent/CN206504759U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20220120 |