CN204286511U - Integration temperature head compensating vortex street effusion meter - Google Patents
Integration temperature head compensating vortex street effusion meter Download PDFInfo
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- CN204286511U CN204286511U CN201420490681.XU CN201420490681U CN204286511U CN 204286511 U CN204286511 U CN 204286511U CN 201420490681 U CN201420490681 U CN 201420490681U CN 204286511 U CN204286511 U CN 204286511U
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- type piezoelectric
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- 230000035945 sensitivity Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
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- 238000009434 installation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
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Abstract
The utility model discloses integrated temperature head compensating vortex street effusion meter, comprise pipeline, eddy generator, signal-processing board, display, diaphragm type piezoelectric sensor, O-ring seal, flange, secure component and temperature sensor, this eddy generator is installed in pipeline, this pipeline is established and is run through inside and outside mounting hole, this monitor signal connection signal disposable plates; This temperature sensor is installed on eddy generator; This diaphragm type piezoelectric sensor adaptation is installed in mounting hole and the inner towards inner bore of pipeline of diaphragm type piezoelectric sensor and inner-walls of duct flush, the outer end of this diaphragm type piezoelectric sensor is stretched out outside mounting hole, sealing circle is sealingly connected between diaphragm type piezoelectric sensor and mounting hole inwall, this flange is socketed diaphragm type piezoelectric sensor and is pressed against O-ring seal, by secure component mounting flange and pipeline; This signal transacting partitioned signal connects temperature sensor and diaphragm type piezoelectric sensor.Its tool has the following advantages: realize temperature, self-compensating pressure, sensitivity is higher.
Description
Technical field
The utility model relates to a kind of integrated temperature head compensating vortex street effusion meter.
Background technology
In Chemical Manufacture, vortex shedding flow meter is applied in process flow monitoring more and more.Along with development, the progress of vortex shedding flow meter technology, the signal antijamming capability of vortex shedding flow meter and the enhancing of shock resistance, vortex shedding flow meter can be applicable to the flow measurement of various gas, steam and multiple clean liquid, vortex shedding flow meter sound construction, physical strength is high, durable in use, movement-less part, serviceable life is longer, and eddy generator volume is little, the less relative energy-saving of vortex shedding flow meter crushing.It is current more satisfactory a kind of flow-measuring method.But the temperature level of occasion residing for vortex shedding flow meter, hydrodynamic pressure size, fluid temperature (F.T.) size all can have influence on measurement of fluid flow value.
Utility model content
The utility model provides integrated temperature head compensating vortex street effusion meter, which overcomes in background technology the deficiency of repaying existing for vortex shedding flow meter.
The technical scheme adopted that the utility model solves its technical matters is:
Integration temperature head compensating vortex street effusion meter, comprise pipeline, eddy generator (6), signal-processing board and display, this eddy generator (6) is installed in pipeline, and this pipeline is established and run through inside and outside mounting hole, this monitor signal connection signal disposable plates; Also comprise diaphragm type piezoelectric sensor (1), O-ring seal (2), flange (3), secure component (4) and temperature sensor (5); This temperature sensor (5) is installed on eddy generator (6); This diaphragm type piezoelectric sensor (1) adaptation is installed in mounting hole and the inner towards inner bore of pipeline of diaphragm type piezoelectric sensor (1) and inner-walls of duct flush, the outer end of this diaphragm type piezoelectric sensor (1) is stretched out outside mounting hole, sealing circle (2) is sealingly connected between diaphragm type piezoelectric sensor (1) and mounting hole inwall, this flange (3) is socketed diaphragm type piezoelectric sensor (1) and is pressed against O-ring seal (2), by secure component (4) mounting flange (3) and pipeline; This signal transacting partitioned signal connects temperature sensor (5) and diaphragm type piezoelectric sensor (1).
Among one embodiment: this temperature sensor (5) is PT100 thermal resistance.
Among one embodiment: this secure component (4) is bolt-nut mechanism.
Among one embodiment: this mounting hole is shoulder hole that outer imperial palace is little and comprises an aperture and a macropore, this small aperture and diaphragm type piezoelectric sensor (1) external diameter adaptation, this macropore diameter and O-ring seal (2) external diameter adaptation, sealing circle (2) thickness is not less than the wheelbase of macropore.
Among one embodiment: this mounting hole is arranged on the rear portion of pipeline.
Among one embodiment: this eddy generator (6) recessed mounting groove, this temperature sensor (5) is installed in the mounting groove of eddy generator (6).
The technical program is compared with background technology, and its tool has the following advantages:
Temperature sensor is directly installed on eddy generator, this diaphragm type piezoelectric sensor adaptation is installed in mounting hole and the inner towards inner bore of pipeline of diaphragm type piezoelectric sensor and inner-walls of duct flush, therefore can overcome the deficiency existing for background technology and produce following technique effect: a, realizing temperature, self-compensating pressure, sensitivity is higher; B, small volume; C, effectively solve pressure guiding pipe formula pressure compensation, the phenomenon of pipeline breaking, leakage or blocking; D, structure be simple, install, easy to maintenance, the equipment cycle of operation is long, is conducive to reducing human and material resources waste, and convenient for installation and maintenance, maintenance is little, and input cost reduces, prolongation in serviceable life.
Mounting hole is shoulder hole that outer imperial palace is little and comprises an aperture and a macropore, small aperture and diaphragm type piezoelectric sensor external diameter adaptive, macropore diameter and O-ring seal external diameter adaptive, O-ring seal thickness is not less than the wheelbase of macropore, easy to assembly, and sealing property is strong.
Installation method described in employing, fast easy to assembly, avoid the error occurred because assembling produces.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 depicts the partial structurtes schematic diagram of vortex shedding flow meter.
Fig. 2 depicts the structural representation that the eddy generator of vortex shedding flow meter and temperature sensor fit together.
Embodiment
Please refer to Fig. 1 and Fig. 2, integrated temperature head compensating vortex street effusion meter, comprise pipeline, eddy generator 6, signal-processing board, diaphragm type piezoelectric sensor 1, O-ring seal 2, flange 3, secure component 4, temperature sensor 5 and display.This eddy generator 6 is installed in pipeline, and this pipeline is established and run through inside and outside mounting hole, best, and this mounting hole is arranged on the rear portion of pipeline, and this mounting hole is shoulder hole that outer imperial palace is little and comprises an aperture and a macropore.Sealing circle 2 is O RunddichtringO 2, and this flange 3 is waist type flange 3.
This temperature sensor 5 is installed on eddy generator 6.Among the present embodiment, the recessed mounting groove of this eddy generator 6, this temperature sensor 5 is installed in the mounting groove of eddy generator 6.
The small aperture of this diaphragm type piezoelectric sensor 1 external diameter and mounting hole is suitable, wherein, this diaphragm type piezoelectric sensor 1 is installed in mounting hole and the inner towards inner bore of pipeline of diaphragm type piezoelectric sensor 1 and inner-walls of duct flush, and the outer end of this diaphragm type piezoelectric sensor 1 is stretched out outside mounting hole.
The macropore diameter of sealing circle 2 external diameter and mounting hole is suitable, and sealing circle 2 thickness is not less than the wheelbase of macropore, preferably slightly larger than.Sealing circle 2 is sealingly connected between diaphragm type piezoelectric sensor 1 and mounting hole inwall, and this flange 3 is socketed diaphragm type piezoelectric sensor 1 and is pressed against O-ring seal 2, by secure component 4 mounting flange 3 and pipeline, by flange 3 press seal circle 2.
This signal transacting partitioned signal connects temperature sensor 5 and diaphragm type piezoelectric sensor 1.After the signal-processing board of vortex shedding flow meter processes (such as simulation based on digital process) to temperature signal and piezo-electric sensor signals, the temperature of detection, force value are undertaken calculating final true flow rate value by temperature and pressure compensation formula.
The assembling of this flowmeter is such as in the following way: step 1, is arranged on temperature sensor 5 on the eddy generator 6 of vortex shedding flow meter; Step 2, is installed on flowmeter by eddy generator 6; Step 3, be in place by the diaphragm type piezoelectric sensor 1 of vortex shedding flow meter, specifically comprise: step 31, O-ring seal 2 is installed to inside mounting hole; Step 32, inserts diaphragm type piezoelectric sensor 1; Step 33, presses flange 3 and refills and connect secure component 4; Step 4, signal connects temperature sensor 5 and signal-processing board, signal junctional membrane plate piezoelectric sensor 1 and signal-processing board, signal connection signal disposable plates and display.
This temperature sensor 5 is arranged on eddy generator, for test fluid temperature; This diaphragm type piezoelectric sensor is arranged on the rear end of vortex shedding flow meter and concordant with inner-walls of duct, sensor is avoided to affect fluid flowing on the one hand, pressure in energy testing pipes on the other hand, Measurement sensibility, precision is high, not easily be subject to the plugging of measuring media or occur leak and affect measuring accuracy, can macrocyclic stable operation.
Among the present embodiment: this temperature sensor 5 is PT100 thermal resistance, this secure component 4 is bolt-nut mechanism.
The above, be only the utility model preferred embodiment, therefore the scope that the utility model implements can not be limited according to this, the equivalence namely done according to the utility model the scope of the claims and description change with modify, all should still belong in scope that the utility model contains.
Claims (6)
1. integrated temperature head compensating vortex street effusion meter, comprise pipeline, eddy generator (6), signal-processing board and display, this eddy generator (6) is installed in pipeline, and this pipeline is established and run through inside and outside mounting hole, this monitor signal connection signal disposable plates; It is characterized in that: also comprise diaphragm type piezoelectric sensor (1), O-ring seal (2), flange (3), secure component (4) and temperature sensor (5); This temperature sensor (5) is installed on eddy generator (6); This diaphragm type piezoelectric sensor (1) adaptation is installed in mounting hole and the inner towards inner bore of pipeline of diaphragm type piezoelectric sensor (1) and inner-walls of duct flush, the outer end of this diaphragm type piezoelectric sensor (1) is stretched out outside mounting hole, sealing circle (2) is sealingly connected between diaphragm type piezoelectric sensor (1) and mounting hole inwall, this flange (3) is socketed diaphragm type piezoelectric sensor (1) and is pressed against O-ring seal (2), by secure component (4) mounting flange (3) and pipeline; This signal transacting partitioned signal connects temperature sensor (5) and diaphragm type piezoelectric sensor (1).
2. integrated temperature head compensating vortex street effusion meter according to claim 1, is characterized in that: this temperature sensor (5) is PT100 thermal resistance.
3. integrated temperature head compensating vortex street effusion meter according to claim 1, is characterized in that: this secure component (4) is bolt-nut mechanism.
4. integrated temperature head compensating vortex street effusion meter according to claim 1, it is characterized in that: this mounting hole is shoulder hole that outer imperial palace is little and comprises an aperture and a macropore, this small aperture and diaphragm type piezoelectric sensor (1) external diameter adaptation, this macropore diameter and O-ring seal (2) external diameter adaptation, sealing circle (2) thickness is not less than the wheelbase of macropore.
5. integrated temperature head compensating vortex street effusion meter according to claim 1, is characterized in that: this mounting hole is arranged on the rear portion of pipeline.
6. integrated temperature head compensating vortex street effusion meter according to claim 1, it is characterized in that: this eddy generator (6) recessed mounting groove, this temperature sensor (5) is installed in the mounting groove of eddy generator (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420490681.XU CN204286511U (en) | 2014-08-28 | 2014-08-28 | Integration temperature head compensating vortex street effusion meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420490681.XU CN204286511U (en) | 2014-08-28 | 2014-08-28 | Integration temperature head compensating vortex street effusion meter |
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| Publication Number | Publication Date |
|---|---|
| CN204286511U true CN204286511U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420490681.XU Withdrawn - After Issue CN204286511U (en) | 2014-08-28 | 2014-08-28 | Integration temperature head compensating vortex street effusion meter |
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| CN (1) | CN204286511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907177A (en) * | 2017-11-21 | 2018-04-13 | 广州西森自动化控制设备有限公司 | A kind of mark side's vortex-shedding meter for carrying temperature pressure compensation |
-
2014
- 2014-08-28 CN CN201420490681.XU patent/CN204286511U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907177A (en) * | 2017-11-21 | 2018-04-13 | 广州西森自动化控制设备有限公司 | A kind of mark side's vortex-shedding meter for carrying temperature pressure compensation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20220608 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20220608 |