CN2272577Y - Electromagnetic type vortex street perssure difference flow sensor - Google Patents
Electromagnetic type vortex street perssure difference flow sensor Download PDFInfo
- Publication number
- CN2272577Y CN2272577Y CN 95221417 CN95221417U CN2272577Y CN 2272577 Y CN2272577 Y CN 2272577Y CN 95221417 CN95221417 CN 95221417 CN 95221417 U CN95221417 U CN 95221417U CN 2272577 Y CN2272577 Y CN 2272577Y
- Authority
- CN
- China
- Prior art keywords
- vortex
- receptor
- bearing
- connecting plate
- flow sensor
- 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 relates to an electromagnetic type vortex pressure difference flow sensor which can measure the flowrate of liquid and gas (vapor) mediums. In the device, a vortex generating body (2), a cover plate (3), a bearing (4), a bearing seat (5), an upper connecting plate (6), a magnetic element (7), a reed (8), a receptor (9), a connecting plate (10) and a magnetoelectric interface element (11) are formed into a combination body. The combination body can singly adjust and test and can be integrally mounted and dismounted in a shell, and the maintain is convenient. When a medium to be measured flows through the sensor, the receptor generates corresponding actions because of the vortex effect of the vortex generating body; the calculation and display of the flowrate can be realized through the electrical signals generated by the magnetoelectric element.
Description
The utility model relates to the device of a kind of measurement liquid, gas (vapour) body medium flow.
Existing double-vortex vortex flow transmitter is a kind of device that adopts piezoelectric element to detect.Have lot of advantages, but when measured signal was more weak, the signal to noise ratio (S/N ratio) of sensor was lower, had influenced the detectability of signal.
The purpose of this utility model provides a kind of magneto-electric vortex street differential pressure flow transducer.Because the conversion regime that has adopted magnetoelectricity to detect, adjusting mechanism makes it have higher signal to noise ratio (S/N ratio) very easily, and the ability that detects feeble signal strengthens to some extent, and antijamming capability further improves.Simple in structure, be whole removable, be convenient to install, adjust, keep in repair.
The purpose of this utility model is achieved in that vortex generation body, receptor, magnetoelectric conversion element, magnetic element, bearing, reed is housed in the housing of sensor.When the measured medium flows through sensor, because vortex generation body produces the vortex street effect, make receptor produce corresponding action, and the interaction by magnetoelectric conversion element, the electric impulse signal that produces correspondingly carries out flow accumulation and demonstration.
Owing to adopt such scheme, this sensor can and even have corrosivity or be mixed with the fluid of particle foreign material various fluids (liquid, gas, vapour), all can detect.
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a wiring layout of the present utility model.
(1) housing among Fig. 1, (2) vortex generation body, (3) cover plate, (4) bearing, (5) bearing seat, (6) upper junction plate, (7) magnetic element, (8) reed, (9) receptor, (10) lower connecting plate, (11) magnetoelectric conversion element.
Fig. 2 is the part drawing of housing (1); Fig. 3 is the part drawing of vortex generation body (2); Fig. 4 is the part drawing of cover plate (3); Fig. 5 is the part drawing of bearing (4); Fig. 6 is the part drawing of bearing seat (5); Fig. 7 is the part drawing of upper junction plate (6); Fig. 8 is the part drawing of magnetic element (7); Fig. 9 is the part drawing of reed (8); Figure (10) is the part drawing of receptor (9); Figure (11) is the part drawing of lower connecting plate (10).
In Fig. 1, vortex generation body (2) is placed on the fluid intake end relevant position of sensor, magnetoelectric conversion element (11) is installed on the vortex generation body (2), vortex generation body (2) fuses with screw with upper junction plate (6) and lower connecting plate (10), magnetic element (7) is installed on the receptor (9), receptor (9) is installed in the bearing (4), bearing (4) is installed in the bearing seat (5), bearing seat (5) is installed in respectively in upper junction plate (6) and the lower connecting plate (10), form is threaded, has the whole function of adjustable positions, upper junction plate (6) is connected with screw with cover plate (3), cover plate (3) is fastened on the housing (1) by screw, and signal wire is derived by the fairlead in upper junction plate (6) and the cover plate (3), fairlead fluid sealant embedding.
In this device, form an assembly by vortex generation body (2), cover plate (3), bearing (4), bearing seat (5), upper junction plate (6), magnetic element (7), reed (8), receptor (9), lower connecting plate (10) and magnetoelectric conversion element (11), this assembly can be adjusted separately, tests, also can whole mount and dismount in housing, and is easy to maintenance.Magnetoelectric conversion element (11) is laid in the relevant position of vortex generation body (2), and magnetic element (7) is laid in the relevant position of receptor (9).
Bearing (4) is made for graphite material, and characteristics are that hole, one garden, its effect are arranged is that exhaust is used when putting into bearing seat (5) in the bottom.
Reed (8) is two hook arrangements, and is installed on the vortex generation body (2), has spacing and shock-absorbing function.
Lower connecting plate (10) is trapezoidal, has the automatic capturing function.
Claims (2)
1, a kind of magneto-electric vortex street differential pressure flow transducer, it is characterized in that, vortex generation body is placed on the fluid intake end relevant position of sensor, magnetoelectric conversion element is installed on the vortex generation body, vortex generation body and upper junction plate and lower connecting plate fuse with screw, magnetic element is installed on the receptor, receptor is installed in the bearing, Bearing Installation is in bearing seat, bearing seat is installed in respectively in upper junction plate and the lower connecting plate, upper junction plate is connected with screw with cover plate, forms an assembly, and this assembly is fastened on the housing by screw.
2, flow sensor according to claim 1 is characterized in that: the bearing seat form that is threaded has the whole function of adjustable positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95221417 CN2272577Y (en) | 1995-09-01 | 1995-09-01 | Electromagnetic type vortex street perssure difference flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95221417 CN2272577Y (en) | 1995-09-01 | 1995-09-01 | Electromagnetic type vortex street perssure difference flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2272577Y true CN2272577Y (en) | 1998-01-14 |
Family
ID=33869039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95221417 Expired - Fee Related CN2272577Y (en) | 1995-09-01 | 1995-09-01 | Electromagnetic type vortex street perssure difference flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2272577Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987092A (en) * | 2019-12-27 | 2020-04-10 | 东北石油大学 | Multiphase flow vortex shedding flowmeter in pit |
| CN111637935A (en) * | 2020-06-11 | 2020-09-08 | 浙江奥新仪表有限公司 | Vortex street flowmeter |
-
1995
- 1995-09-01 CN CN 95221417 patent/CN2272577Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987092A (en) * | 2019-12-27 | 2020-04-10 | 东北石油大学 | Multiphase flow vortex shedding flowmeter in pit |
| CN111637935A (en) * | 2020-06-11 | 2020-09-08 | 浙江奥新仪表有限公司 | Vortex street flowmeter |
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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 |