CN2281527Y - Separate vortex flow meter - Google Patents
Separate vortex flow meter Download PDFInfo
- Publication number
- CN2281527Y CN2281527Y CN 96208184 CN96208184U CN2281527Y CN 2281527 Y CN2281527 Y CN 2281527Y CN 96208184 CN96208184 CN 96208184 CN 96208184 U CN96208184 U CN 96208184U CN 2281527 Y CN2281527 Y CN 2281527Y
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- transmission assembly
- utility
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- fixed
- model
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Abstract
The utility model relates to a fluid flux measuring device. The purpose of the utility model is to provide an isolation type vortex street flowmeter. The utility model comprises a circular ring (1), a generating body (2), a force transmission assembly (3), a housing (4), a small cap (5), and a conversion assembly (6). The housing (4) is fixed on the circular ring (1). The lower part of the force transmission assembly (3) is positioned inside the circular ring (1), the middle part of the force transmission assembly (3) is fixed on the circular ring (1), and the upper part of the force transmission assembly (3) is positioned inside the housing (4). The small cap (5) is fixed on the conversion assembly (6), and the conical surface on the small cap (5) is contacted with the spherical surface of the end part on the force transmission assembly (3). The utility model has the advantages of high reliability, good suitability, and strong shock resistance, and is suitable for a plurality of vortex flowmeters.
Description
The utility model relates to a kind of fluid flow rate measurement apparatus.
At present, the detection of vortex shedding flowmeter signal both at home and abroad has two kinds of designs: a kind of is the forming process of experiencing whirlpool, at this moment the position of detecting element is unified with the generation body position that alternately produces whirlpool, when requiring when highly sensitive, often the elementary errors of alternation is pressed and guide the detecting element both sides into, the situation that exist pressure guide hole to be stopped up by soil in the fluid this moment by pressure guide hole; When sensitivity requires to hang down, can not offer pressure guide hole, adopt overhanging formula statically indeterminate beam piezoelectric stress structure, though improved anti-dirty ability, structure is numerous and jumbled.Another kind of design is to experience the whirlpool transmission course, and the detecting element position is after body takes place, and its anti-dirty ability is good, but sensitivity is low, poor seismic behavior.The vortex shedding flow meter that design produces according to this two class all can not be realized continuing to flow and change with maintenance, checks detection means, and reliability index is low, poor for applicability.
The purpose of this utility model is to provide a kind of isolated vortex shedding flow meter that overcomes the prior art shortcoming.
The purpose of this utility model can realize by following measure:
A kind of isolated vortex shedding flow meter comprises annulus (1), body (2), housing (4), transition components (6) takes place, and it is characterized in that it also comprises power transmission assembly (3), small cap (5); Housing (4) is fixed on the annulus (1), power transmission assembly (3) its underpart is positioned at annulus (1), and its middle part is fixed on the annulus (1), and its top is positioned at housing (4), small cap (5) is fixed on the transition components (6), contacts with the sphere of power transmission assembly (3) upper end.
The utility model compared with prior art has the following advantages:
1. maintenance or replacing detection part continue to flow;
2. avoid of the obstruction of foul medium to detection part;
3. anti-seismic performance is good.
Fig. 1 is a structural drawing of the present utility model.
Be described in further detail enforcement of the present utility model below in conjunction with accompanying drawing:
According to shown in Figure 1, the utility model comprises annulus (1), body (2), power transmission assembly (3), housing (4), small cap (5), transition components (6) takes place, small cap (5) is an assembly, housing (4) is fixed on the annulus (1), and power transmission assembly (3) its underpart is positioned at annulus (1), and its middle part is fixed on the annulus (1), its top is positioned at housing (4), small cap (5) is fixed on the transition components (6), and a circular conical surface is arranged on it, and contacts with the upper end sphere of power transmission assembly (3).Principle of work of the present utility model is: when body (2) takes place the fluid process, both sides just can alternately produce grows up, peel off and back kick send two row regular whirlpool, and one side takes place whirlpool is low pressure, in certain reynolds number range, its frequency is directly proportional with flow velocity, consequent differential pressure is by power transmission assembly (3), small cap (5) acts on the sensitive element, be converted into electric pulse through transition components (6), amplify by special treatment circuit again, filtering, shaping and electricity conversion frequently, make it to become full sized pules signal or the simulating signal that to measure, by to the counting of whirlpool frequency or the detection of simulating signal, more can realize flow metering.The utility model may be implemented in flange and clamps formula, pipe flange formula and the isostructural vortex shedding flow meter of plug-in type.
Claims (1)
1. an isolated vortex shedding flow meter comprises annulus (1), body (2), housing (4), transition components (6) takes place, and it is characterized in that it also comprises power transmission assembly (3), small cap (5); Housing (4) is fixed on the annulus (1), power transmission assembly (3) its underpart is positioned at annulus (1), and its middle part is fixed on the annulus (1), and its top is positioned at housing (4), small cap (5) is fixed on the transition components (6), and the circular conical surface on it contacts with the sphere of power transmission assembly (3) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96208184 CN2281527Y (en) | 1996-04-04 | 1996-04-04 | Separate vortex flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96208184 CN2281527Y (en) | 1996-04-04 | 1996-04-04 | Separate vortex flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2281527Y true CN2281527Y (en) | 1998-05-13 |
Family
ID=33892282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96208184 Expired - Fee Related CN2281527Y (en) | 1996-04-04 | 1996-04-04 | Separate vortex flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2281527Y (en) |
-
1996
- 1996-04-04 CN CN 96208184 patent/CN2281527Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |