CN207662471U - A kind of damping type vortex-shedding meter - Google Patents
A kind of damping type vortex-shedding meter Download PDFInfo
- Publication number
- CN207662471U CN207662471U CN201721721789.5U CN201721721789U CN207662471U CN 207662471 U CN207662471 U CN 207662471U CN 201721721789 U CN201721721789 U CN 201721721789U CN 207662471 U CN207662471 U CN 207662471U
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- China
- Prior art keywords
- probe
- connecting tube
- test section
- fixed seat
- measurement pipe
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Abstract
The utility model provides a kind of damping type vortex-shedding meter, including：Measurement pipe, probe, connecting tube and display instrument, measurement pipe both ends are respectively equipped with connecting flange, measurement pipe is internally provided with triangle eddy generator, it measures tube body and is equipped with probe hole, probe hole is located at the right side of triangle eddy generator, probe hole is equipped with probe fixed seat, probe includes the test section of lower end and the circular flange positioned at test section upper end, circular flange is set in probe fixed seat, connecting tube one end covers on probe, the other end of connecting tube is threadedly coupled with display instrument, it is equipped with teflon gasket between circular flange and probe fixed seat, connecting tube is equipped with rubber damper with probe junction, one end of connecting tube is connected by screw with probe fixed seat, the flow detector from top to bottom set gradually is equipped in test section, temperature detector and pressure detector, epoxide-resin glue is full of in test section.The utility model can ensure the accuracy of measured value.
Description
Technical field
The utility model is related to measuring instrument technical fields, more particularly, to a kind of damping type vortex-shedding meter.
Background technology
Vortex-shedding meter is also referred to as swirl flowmeter or Karman vortex street flowmeter, and vortex flow meter belongs to will be a part of
Fluid dynamic energy is converted into the measuring instrumentss of fluid oscillation.This kind of instrument is shaken using what Si Telaohaer in 1878 was delivered about fluid
A kind of flow instrument that principle developed described in the article of dynamic frequency and flow velocity, this kind of instrument using vortex frequency and
Relationship between bluff body characteristic size, flow velocity and the flow measurement instrument produced.
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 be such that the precision of flowmeter reduces, if mechanical oscillation are larger, will make flowmeter
It cannot normally work.
In the prior art, also different to the susceptibility of vibration equipment, therefore, the detected value of flowmeter still has certain
Deviation；And vortex-shedding meter needs the measured value in the case where fluid is relatively steady just can be more accurate, often because
Fluid turbulence interference measurement signal reduces measurement accuracy, when actual installation, needs the front and back straight pipe grown very much to ensure into becoming a mandarin
The stationarity of the fluid of gauge, this installation operation are inconvenient.
Invention content
In order to solve the above technical problems, the utility model provides a kind of damping type vortex-shedding meter, can lower vibration and
Influence of the stability of fluid to measured value.
To achieve the goals above, the technical solution of the utility model is：
A kind of damping type vortex-shedding meter, including：Measurement pipe, probe, connecting tube and display instrument, the measurement pipe both ends
It is respectively equipped with connecting flange, the measurement pipe is internally provided with triangle eddy generator, and the measurement tube body is equipped with probe hole,
The probe hole is located at the right side of the triangle eddy generator, and the probe hole is equipped with probe fixed seat, the probe
Test section including lower end and the circular flange positioned at the test section upper end, the circular flange are set to the probe fixed seat
On, described connecting tube one end covers on the probe, and the other end of the connecting tube is threadedly coupled with the display instrument, described
Teflon gasket is equipped between circular flange and the probe fixed seat, the connecting tube is equipped with the probe junction
Rubber damper, one end of the connecting tube are connected by screw with the probe fixed seat, are equipped with by upper in the test section
Flow detector, temperature detector and the pressure detector set gradually under, the test section is interior to be full of epoxide-resin glue.
Above technical scheme is preferred, and left rectifier and right rectifier, the left rectifier are equipped in the measurement pipe body
The triangle eddy generator is symmetrical arranged with right rectifier.
Above technical scheme is preferred, and the display instrument side is equipped with signal output interface.
Above technical scheme is preferred, and the triangle eddy generator is located at the middle of the measurement pipe.
The utility model has the advantages and positive effects of：The probe of the utility model is equipped with outer coupling portion
Damping means can effectively lower the influence of convection flow flowmeter measurement value；It is symmetrically set at left and right sides of triangle whirlpool sounding body
There is rectifier, can ensure the stability of fluid disengaging, effectively reduce influence of the fluid turbulence to flowmeter measurements；Test section
Full of epoxide-resin glue, it is further ensured that the stability of each detector operation.
Description of the drawings
Fig. 1 shows the structural schematic diagrams of one embodiment of the utility model
Fig. 2 indicates the structural schematic diagram of the test section of one embodiment of the utility model
Fig. 3 indicates the structural schematic diagram of the rectifier of one embodiment of the utility model
1, measurement pipe 2, probe 3, connecting tube
4, display instrument 5, connecting flange 6, triangle eddy generator
7, probe hole 8, probe fixed seat 9, teflon gasket
10, rubber damper 11, flow detector 12, temperature detector
13, pressure detector 14, epoxide-resin glue 15, left rectifier
16, right rectifier 17, signal output interface 21, test section
22, circular flange
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For to the utility model system.In addition, term " first ", " second " etc. are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " etc. is defined as a result,
Sign can explicitly or implicitly include one or more this feature.In the description of the present invention, unless otherwise saying
Bright, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
One embodiment of the utility model provides a kind of damping type vortex-shedding meter, as shown in Figure 1, including：Measurement pipe 1 is visited
First 2, connecting tube 3 and display instrument 4, measurement pipe both ends are respectively equipped with connecting flange 5, and measurement pipe is internally provided with triangle whirlpool hair
Raw body 6 measures tube body and is equipped with probe hole 7, and probe hole 7 is located at the right side of triangle eddy generator 6, and probe hole, which is equipped with, to be visited
Head fixed seat 8, probe 2 include the test section 21 of lower end and the circular flange 22 positioned at test section upper end, and circular flange 22 is set to
In fixed seat 8 of popping one's head in, 3 one end of connecting tube covers on probe 2, and the other end of connecting tube is threadedly coupled with display instrument 4, round method
Teflon gasket 9 is equipped between orchid 22 and probe fixed seat 8, connecting tube is equipped with rubber damper 10 with probe junction,
One end of connecting tube 3 is connected by screw with probe fixed seat 8, is from top to bottom set successively as shown in Fig. 2, being equipped in test section 21
Flow detector 11, temperature detector 12 and the pressure detector 13 set, test section is interior to be full of epoxide-resin glue 14.
Flowmeter transmitters, temperature transmitter and pressure transmitter, flow are additionally provided between test section 21 and display instrument 4
Detector 11, temperature detector 12 and pressure detector 13 respectively with flowmeter transmitters, temperature transmitter and pressure transmitter
Input terminal is electrically connected, the input terminal electricity of flowmeter transmitters, the output end of temperature transmitter and pressure transmitter and display instrument
Detection signal is changed into standard electric signal and sends display instrument to by connection.
Left rectifier 15 and right rectifier 16 are equipped in measurement pipe body, left rectifier and right rectifier are for triangle whirlpool
Generating body 6 is symmetrical arranged.4 side of display instrument is equipped with signal output interface 17.Triangle eddy generator 6 is located at measurement pipe 1
Middle.As shown in figure 3, left and right rectifier is respectively six Blade straig teners for being welded on measurement pipe inlet and outlet.
The probe of the utility model is equipped with damping means with outer coupling portion, can effectively lower convection flow gauge
The influence of measured value；It is arranged with rectifier at left and right sides of triangle whirlpool sounding body, can ensure the stability of fluid disengaging,
Effectively reduce influence of the fluid turbulence to flowmeter measurements；Test section is full of epoxide-resin glue, is further ensured that each detector
The stability of operation.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all still belong within the patent covering scope of the utility model.
Claims (3)
1. a kind of damping type vortex-shedding meter, including：Measurement pipe, probe, connecting tube and display instrument, the measurement pipe both ends point
Not She You connecting flange, the measurement pipe is internally provided with triangle eddy generator, and the measurement tube body is equipped with probe hole, institute
The right side that probe hole is located at the triangle eddy generator is stated, the probe hole is equipped with probe fixed seat, the probe packet
The test section of lower end and the circular flange positioned at the test section upper end are included, the circular flange is set to the probe fixed seat
On, described connecting tube one end covers on the probe, and the other end of the connecting tube is threadedly coupled with the display instrument, described
Teflon gasket is equipped between circular flange and the probe fixed seat, the connecting tube is equipped with the probe junction
Rubber damper, one end of the connecting tube are connected by screw with the probe fixed seat, are equipped with by upper in the test section
Flow detector, temperature detector and the pressure detector set gradually under, the test section is interior to be full of epoxide-resin glue；Institute
It states and is equipped with left rectifier and right rectifier in measurement pipe body, the left rectifier and right rectifier send out the triangle whirlpool
Raw body is symmetrical arranged.
2. damping type vortex-shedding meter according to claim 1, it is characterised in that：The display instrument side is equipped with signal
Output interface.
3. damping type vortex-shedding meter according to claim 2, it is characterised in that：The triangle eddy generator is located at
The middle of the measurement pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721721789.5U CN207662471U (en) | 2017-12-12 | 2017-12-12 | A kind of damping type vortex-shedding meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721721789.5U CN207662471U (en) | 2017-12-12 | 2017-12-12 | A kind of damping type vortex-shedding meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207662471U true CN207662471U (en) | 2018-07-27 |
Family
ID=62940184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721721789.5U Expired - Fee Related CN207662471U (en) | 2017-12-12 | 2017-12-12 | A kind of damping type vortex-shedding meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207662471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006726A (en) * | 2019-12-11 | 2020-04-14 | 东北石油大学 | Underground vortex street flowmeter for underground charging type intelligent water distributor |
-
2017
- 2017-12-12 CN CN201721721789.5U patent/CN207662471U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006726A (en) * | 2019-12-11 | 2020-04-14 | 东北石油大学 | Underground vortex street flowmeter for underground charging type intelligent water distributor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180727 Termination date: 20201212 |