CN201413161Y - Integral capacitor type vortex flowmeter with temperature and pressure compensation - Google Patents
Integral capacitor type vortex flowmeter with temperature and pressure compensation Download PDFInfo
- Publication number
- CN201413161Y CN201413161Y CN2009201575941U CN200920157594U CN201413161Y CN 201413161 Y CN201413161 Y CN 201413161Y CN 2009201575941 U CN2009201575941 U CN 2009201575941U CN 200920157594 U CN200920157594 U CN 200920157594U CN 201413161 Y CN201413161 Y CN 201413161Y
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- temperature
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- flux
- vortex
- pressure
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Abstract
The utility model belongs to the field of fluid measurement apparatus, especially relates to an integral capacitor type vortex flowmeter with temperature and pressure compensation for measuring gas flux in standard condition and mass flux of steam. A flux measurement unit is formed by a vortex generator and a capacitive probe; the vortex generator measures volume and flux by means of theory of Karman vortex street; the flow signal, the temperature signal and the pressure signal are delivered by the volume flux measurement unit, a platinum resistance temperature measurement element and a pressure sensor to an integration display unit respectively, and outputted after being processed by the integration display unit. The apparatus is novel in structure, easy to be installed, high in reliability, and pertains to a economically valuable, practical, and reliable novel target type flowmeter.
Description
Technical field
The utility model belongs to the fluid measurement apparatus field, particularly a kind of one-piece type capacitance vortex flowmeter of temperature and pressure compensation that is used for measurement gas mark condition flow or steam mass flow.
Background technology
At present, with capacitance vortex flowmeter measurement gas mark condition flow or steam mass flow method in common is to adopt temperature and pressure compensation, promptly install PT100 platinum resistance and pressure unit additional, form Flow Measuring System with flow integrator then at condenser type vortex flow sensors rear.Vortex flow sensors, PT100 platinum resistance and pressure unit belong to the signals collecting instrument, are installed in the diverse location of pipeline respectively; Flow integrator belongs to the integrating Displaying Meter, is used for reading temperature, pressure, data on flows, generally is installed in the place of conveniently watching.Four kinds of instrument are contained in respectively that four different local installation work amounts are big, and every kind of signals collecting instrument will be connected with the integrating Displaying Meter, the cloth line length, and the cost height, and be subjected to electromagnetic interference (EMI) easily.
Summary of the invention
Be subjected to deficiencies such as electromagnetic signal interference easily in order to overcome traditional capacitance vortex flowmeter temperature and pressure compensation mode installation work complexity, system cost height, circuit, the utility model provides a kind of temperature and pressure compensation one-piece type capacitance vortex flowmeter, it is characterized in that, capacitance probe 5 is fixed on the base 11 by platen 3, capacitance probe 5 stretches into the inside of process pipe 1, and in the process pipe 1 in its place ahead eddy generator 2 is set; Integrating display unit 7 is connected with base 11 by radome 4, and capacitance probe 5 is connected with integrating display unit 7 by signal wire 6; Set gradually platinum resistor temperature measuring element 8 and pressure transducer load cell 9 on the tube wall of the rear end of process pipe 2, platinum resistor temperature measuring element 8 is connected with integrating display unit 7 respectively with pressure transducer load cell 9.
The beneficial effects of the utility model are: novel structure, easy for installation, reliability is high, belonging to collection economy, practicality and reliability is the novel vortex street flowmeter of one.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Number in the figure:
The 1-process pipe; 2-vortex generation body; The 3-platen; The 4-radome; The 5-capacitance probe; The 6-signal wire;
7-integrating display unit; 8-platinum resistor temperature measuring unit; 9-pressure transducer pressure measuring unit; The 10-base.
Embodiment
The utility model provides a kind of temperature and pressure compensation one-piece type capacitance vortex flowmeter, below by description of drawings and specific implementation method the utility model is described further.
Fig. 1 is a structural representation of the present utility model.Capacitance probe 5 is fixed on the base 11 by platen 3, and capacitance probe 5 stretches into the inside of process pipe 1, and in the process pipe 1 in its place ahead eddy generator 2 is set; Integrating display unit 7 is connected with base 11 by radome 4, and capacitance probe 5 is connected with integrating display unit 7 by signal wire 6; Set gradually PT1000 platinum resistor temperature measuring element 8 and pressure transducer load cell 9 on the tube wall of the rear end of process pipe 2, platinum resistor temperature measuring element 8 is connected with integrating display unit 7 respectively with pressure transducer load cell 9.
Vortex generation body 2 and capacitance probe 5 are formed the volume flow measurement unit; Vortex generation body 2 utilizes the theoretical operating mode volumetric flow rate of measuring of Karman vortex street.Volume flow measurement unit, platinum resistor temperature measuring element 8 and pressure transducer load cell 9 will treat that respectively flow, temperature, the pressure signal of fluid measured are delivered to integrating display unit 7, handle back and output by integrating display unit 7.
Claims (1)
1. the one-piece type capacitance vortex flowmeter of temperature and pressure compensation, it is characterized in that, capacitance probe (5) is fixed on the base (11) by platen (3), and capacitance probe (5) stretches into the inside of process pipe (1), and in the process pipe (1) in its place ahead eddy generator (2) is set; Integrating display unit (7) is connected with base (11) by radome (4), and capacitance probe (5) is connected with integrating display unit (7) by signal wire (6); Set gradually platinum resistor temperature measuring element (8) and pressure transducer load cell (9) on the rear end tube wall of process pipe (2), platinum resistor temperature measuring element (8) is connected with integrating display unit (7) respectively with pressure transducer load cell (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201575941U CN201413161Y (en) | 2009-05-26 | 2009-05-26 | Integral capacitor type vortex flowmeter with temperature and pressure compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201575941U CN201413161Y (en) | 2009-05-26 | 2009-05-26 | Integral capacitor type vortex flowmeter with temperature and pressure compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413161Y true CN201413161Y (en) | 2010-02-24 |
Family
ID=41715044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201575941U Expired - Fee Related CN201413161Y (en) | 2009-05-26 | 2009-05-26 | Integral capacitor type vortex flowmeter with temperature and pressure compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201413161Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952435A (en) * | 2016-04-26 | 2016-09-21 | 哈尔滨工业大学 | Vortex shedding flow-meter suitable for oil-water well underground |
| 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 |
| EP3667254B1 (en) * | 2017-09-25 | 2022-02-16 | CKD Corporation | Vortex flowmeter |
-
2009
- 2009-05-26 CN CN2009201575941U patent/CN201413161Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952435A (en) * | 2016-04-26 | 2016-09-21 | 哈尔滨工业大学 | Vortex shedding flow-meter suitable for oil-water well underground |
| EP3667254B1 (en) * | 2017-09-25 | 2022-02-16 | CKD Corporation | Vortex flowmeter |
| 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 |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20120526 |