CN206269862U - The inserting-type flowmeter of built-in Venturi tube - Google Patents
The inserting-type flowmeter of built-in Venturi tube Download PDFInfo
- Publication number
- CN206269862U CN206269862U CN201621352816.1U CN201621352816U CN206269862U CN 206269862 U CN206269862 U CN 206269862U CN 201621352816 U CN201621352816 U CN 201621352816U CN 206269862 U CN206269862 U CN 206269862U
- Authority
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- China
- Prior art keywords
- measurement
- venturi tube
- pipe
- probe
- protection sleeve
- 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
Links
- 238000005259 measurement Methods 0.000 claims abstract description 78
- 239000000523 sample Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000007789 gas Substances 0.000 claims abstract description 20
- 238000003780 insertion Methods 0.000 claims abstract description 16
- 230000037431 insertion Effects 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims description 27
- 229910052751 metal Inorganic materials 0.000 claims description 27
- 238000009413 insulation Methods 0.000 claims description 14
- 239000012212 insulator Substances 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 230000006698 induction Effects 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 210000000867 larynx Anatomy 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a kind of inserting-type flowmeter of built-in Venturi tube, including measurement pipe and measuring probe, in measuring probe insertion measurement pipe.Measurement pipe includes measurement body, suit Venturi tube and probe inlet/outlet protection sleeve pipe, and suit Venturi tube and probe inlet/outlet protection sleeve pipe are placed in measurement pipe body.Suit Venturi tube is the Venturi tube being set with inside and outside two, and two axis of Venturi tube overlap with the axis of measurement body, and two central points of the necking down throat of Venturi tube overlap.In the probe inlet/outlet protection sleeve pipe of measuring probe insertion measurement pipe, for measuring the flow of conductive liquid when measuring probe uses electromagnetism gauge head sensor, and it is used to measure liquids and gases flow during using tangential turbine gauge head sensor.Measurement pipe is connected on pipeline, the center of the venturi throat of measuring probe insertion measurement liquid in pipe and gas flow rate maximum, is improved the degree of accuracy of small flow velocity flow measurement and is reduced liquids and gases measurement leak rate.
Description
Technical field
The utility model is related to measurement of fluid flow instrument, the plug-in type gas and liquid of more particularly to built-in Venturi tube
Body flow measurement instrument.
Background technology
Instrument currently used for liquids and gases flow measurement is more, but, all there is a problem of in various degree certain.
The measuring instrumentss that water supply industry is used, more using mechanical rotor water gauge, by the vane belt rotated in current
Dynamic counter gear is rotated, and records and show the flow of water.Frictional force is produced because mechanical part is rotated, makes mechanical part continuous
Loss, therefore, rotor water gauge has that part is fragile, water leak rate is big and repairs frequently.Meanwhile, mechanical rotary wind type
Water meter also has that small flow rate can not be measured accurately.
In the industry such as oil, chemical industry, steel, generating and light textile, printing and dyeing, generally using electromagnetic flowmeter, led by detection
Electrofluid medium flows the electric signal of generation to measure the flow that liquid medium passes through in magnetic field.Electromagnetic flowmeter includes stream
Quantity sensor and converter, flow sensor are the internal cylindric measurement pipe equipped with induction coil and inwall mosaic electrode, sense
Coil and electrode is answered to connect converter respectively.Liquid flowing is cut the magnetic line of force in induction coil magnetic field and produces sensing in measurement pipe
Voltage signal, the measurement electrode measurement that inlays of the inside pipe wall voltage signal relevant with flow rate of liquid, and then acquisition fluid flow, and
By the display numerical monitor being connected with converter.The measurement pipe of existing electromagnetic flowmeter uses the stainless steel tube of tetrafluoro lining
Body, to inlay measuring electrode on measurement pipe insulation inwall.However, tetrafluoro lining stainless steel measures the high cost of body, shadow
Ring widely using in feed flow industry and popularize.
The measuring instrumentss that also Venturi tube and pressure sensor combine, the stream for measuring gas and liquid
Amount.Pressure sensor is placed in Venturi tube, the pressure change of flowing gas or liquid in measurement pipe, with determine to manage interior gas or
The flow of liquid.But, the flow value of gas or liquid can not be more accurately measured when such measuring instrumentss have change in flow
Problem.
The content of the invention
For the problems of instrument for being currently used for liquids and gases flow measurement, the utility model releases new knot
The inserting-type flowmeter of structure, using built-in two measurement pipes of the Venturi tube of suit and insertion measurement pipe inner venturi tube throat
The combining structure of the measuring probe at place, to improve the degree of accuracy of small flow velocity flow measurement and reduce liquids and gases leak rate.
The inserting-type flowmeter of the built-in Venturi tube that the utility model is related to includes measurement pipe and measuring probe, and measurement is visited
In head insertion measurement pipe.
The measurement pipe includes measurement body, suit Venturi tube and probe inlet/outlet protection sleeve pipe, and measurement body is short
Cylindrical tube, suit Venturi tube and probe inlet/outlet protection sleeve pipe are placed in measurement pipe body.Suit Venturi tube is in two
The Venturi tube of outer suit, two axis of Venturi tube overlap with the axis of measurement body, two contractings of Venturi tube
The central point of neck throat overlaps.In probe inlet/outlet protection sleeve pipe insertion measurement body and two Venturi tubes, inlet/outlet of popping one's head in
Protection sleeve pipe axis is vertical with measurement body axis, and probe inlet/outlet protection its lower end is placed in two contractings of Venturi tube
The center of neck throat, probe inlet/outlet protection sleeve pipe is respectively together with measurement body and two Venturi tube welding.
In the probe inlet/outlet protection sleeve pipe of the measuring probe insertion measurement pipe, measuring probe is electromagnetism gauge head sensor
With one kind of tangential turbine gauge head sensor.
The electromagnetism gauge head sensor is used to measure the flow of conductive liquid, including protection metal pipe, iron core, induction coil,
Insulator and electrode.Induction coil is wound with iron core to be placed in insulator, insulator seal in the front end of protection metal pipe, absolutely
A pair of electrodes is housed, electrode exposes from protection metal pipe front end on edge body, contact conductor, induction coil lead are from protection metal pipe
Draw and be connected with converter respectively in rear end.Electromagnetism gauge head sensor in insertion measurement pipe probe inlet/outlet protection sleeve pipe, from
The flow of conductive liquid in measurement pipe is flowed through in the tested conducting liquid of electrode contact that protection metal pipe front end is exposed, measurement.
The tangential turbine gauge head sensor is used to measure liquids and gases flow, including protection metal pipe, magnetic switch are passed
Sensor, sealed insulation body, the tangential turbine of magnetic and pedestal.Sealed insulation body is arranged on the front portion of protection metal pipe, and magnetic is tangential
Turbine is arranged on sealed insulation body front end by pedestal, and the axle of the tangential turbine of magnetic is fixed on pedestal, and pedestal is fixed on sealing
Insulator front end, magnetic switch sensor inserts the rear end of sealed insulation body, and magnetic switch sensor lead is from protection metal pipe rear end
Draw and be connected with converter.Tangential turbine gauge head sensor in insertion measurement pipe probe inlet/outlet protection sleeve pipe, from metal
The tangential turbine of magnetic that protection pipe front end is exposed is placed in fluid to be measured or gas, and liquid or gas in measurement pipe are flowed through in measurement
Flow.
The measurement pipe of the inserting-type flowmeter of the built-in Venturi tube that the utility model is related to is connected to feed flow and air supply pipe
On road, liquid or gas are flowed into from two built-in horn mouths of the Venturi tube of suit of measurement pipe, by Venturi tube larynx
During portion, the gauge head sensor of measuring probe measures the induced signal relevant with liquid or gas flow rate, and then it is gentle to obtain liquid
Body flow, improves the degree of accuracy of small flow velocity flow measurement and reduces liquid stream leak rate, under can extending measurement range and improving
Limit flow sensitivity, it is adaptable to big-and-middle-sized complete series duct survey.
Brief description of the drawings
Fig. 1 is measurement pipe structural representation of the present utility model；
Fig. 2 is electromagnetism gauge head sensor construction schematic diagram of the present utility model；
Fig. 3 is the structural representation of tangential turbine gauge head sensor of the present utility model.
Description of symbols in figure：
1st, measuring probe 2, outer Venturi tube
3rd, inner venturi tube 4, probe inlet/outlet protection sleeve pipe
5th, the protection metal pipe of electromagnetism gauge head sensor
6th, iron core 7, induction coil
8th, insulator 9, electrode
10th, the protection metal pipe of tangential turbine gauge head sensor
11st, magnetic switch sensor 12, sealed insulation body
13rd, the tangential turbine 14, pedestal of magnetic
Specific embodiment
The technical solution of the utility model is described further in conjunction with accompanying drawing.Fig. 1 shows built-in Venturi tube
The measurement pipe basic structure of inserting-type flowmeter, Fig. 2 and Fig. 3 shows electromagnetism gauge head sensor and tangential turbine in measurement pipe respectively
The basic structure of gauge head sensor.
As illustrated, the inserting-type flowmeter of the built-in Venturi tube involved by the utility model includes measurement pipe and survey
Amount probe, in measuring probe insertion measurement pipe.
The measurement pipe includes measurement body 1, suit Venturi tube and probe inlet/outlet protection sleeve pipe 4, and measurement body 1 is
Short cylindrical body, suit Venturi tube and probe inlet/outlet protection sleeve pipe 4 are placed in measurement pipe body.Suit Venturi tube is foreign language
Venturi 2 and inner venturi tube 3.Two axis of Venturi tube overlap with the axis of measurement body 1, two Venturi tubes
Necking down throat central point overlap.In the probe inlet/outlet protection insertion of sleeve pipe 4 measurement body 1 and two Venturi tubes, probe
Inlet/outlet protects the axis of sleeve pipe 4 vertical with measurement body 1 axis, and probe inlet/outlet protection sleeve pipe 4 lower end is placed in two texts
The center of the necking down throat of venturi, probe inlet/outlet protection sleeve pipe 4 is welded with measurement body 1 and two Venturi tubes respectively
Connect together.
The electromagnetism gauge head sensor is dedicated for measurement the flow of conductive liquid, including protection metal pipe 5, iron core 6, sensing
Coil 7, insulator 8 and electrode 9.It is wound with induction coil 7 on iron core 6 to be placed in insulator 8, insulator 8 is sealed in metal guarantor
The front end of pillar 5, is equipped with a pair of electrodes 9 on insulator 8, electrode 9 exposes from the front end of protection metal pipe 5, the lead of electrode 9, sense
The lead of coil 7 is answered to be connected from the extraction of the rear end of protection metal pipe 5 and respectively with converter.Insertion measurement pipe probe protection sleeve 4
Interior electromagnetism gauge head sensor, from the tested conducting liquid of the contact of electrode 9 that the front end of protection metal pipe 5 is exposed, measurement is flowed through in measurement
Fluid flow in pipe.
The tangential turbine gauge head sensor is used to measure liquids and gases flow, including protection metal pipe 10, magnetic switch
The tangential turbine 13 of sensor 11, sealed insulation body 12, magnetic and pedestal 14.Sealed insulation body 12 is arranged on protection metal pipe 10
Front portion, the tangential turbine 13 of magnetic is arranged on the front end of sealed insulation body 12 by pedestal 14, and the axle of the tangential turbine 13 of magnetic is fixed on
On pedestal 14.Magnetic switch sensor 11 inserts the other end of sealed insulation body 12, magnetic switch sensor 11 and the tangential turbine of magnetic
13 connections, the lead of magnetic switch sensor 11 is drawn from the rear end of protection metal pipe 10 and is connected with converter.Insertion measurement pipe probe
Tangential turbine gauge head sensor in inlet/outlet protection sleeve pipe 4, from the tangential turbine 13 of magnetic that the front end of protection metal pipe 10 is exposed
It is placed in fluid to be measured or gas, the flow of the liquid or gas in measurement pipe is flowed through in measurement.
Claims (3)
1. a kind of inserting-type flowmeter of built-in Venturi tube, it is characterised in that including measurement pipe and measuring probe, measuring probe
In insertion measurement pipe；
The measurement pipe includes measurement body, suit Venturi tube and probe inlet/outlet protection sleeve pipe, and measurement body is short cylindrical
Body, suit Venturi tube and probe inlet/outlet protection sleeve pipe are placed in measurement pipe body；Suit Venturi tube is two inner-outer sleeves
The Venturi tube of dress, two axis of Venturi tube overlap with the axis of measurement body, two necking down larynxs of Venturi tube
The central point in portion overlaps；In probe inlet/outlet protection sleeve pipe insertion measurement body and two Venturi tubes, probe inlet/outlet protection
Sleeve pipe axis is vertical with measurement body axis, and probe inlet/outlet protection its lower end is placed in two Venturi tube necking down throats
Center, probe inlet/outlet protection sleeve pipe is respectively together with measurement body and the welding of two Venturi tubes；
In the probe inlet/outlet protection sleeve pipe of the measuring probe insertion measurement pipe, measuring probe is electromagnetism gauge head sensor and cuts
To one kind of turbine gauge head sensor；The electromagnetism gauge head sensor is used to measure the flow of conductive liquid, and the tangential turbine is surveyed
Head sensor is used to measure liquids and gases flow.
2. the inserting-type flowmeter of a kind of built-in Venturi tube according to claim 1, it is characterised in that the electromagnetism is surveyed
Head sensor includes protection metal pipe, iron core, induction coil, insulator and electrode, induction coil is wound with iron core and is placed in absolutely
In edge body, insulator seal is equipped with a pair of electrodes in the front end of protection metal pipe on insulator, electrode is from protection metal pipe front end
Expose, contact conductor, induction coil lead are connected from the extraction of protection metal pipe rear end and respectively with converter.
3. a kind of inserting-type flowmeter of built-in Venturi tube according to claim 1, it is characterised in that the tangential whirlpool
Wheel gauge head sensor includes protection metal pipe, magnetic switch sensor, sealed insulation body, the tangential turbine of magnetic and pedestal；Sealing is exhausted
Edge body is arranged on the front portion of protection metal pipe, and the tangential turbine of magnetic is arranged on sealed insulation body front end by pedestal, and magnetic is tangential
The axle of turbine is fixed on pedestal, and pedestal is fixed on sealed insulation body front end, after magnetic switch sensor inserts sealed insulation body
End, magnetic switch sensor lead is drawn from protection metal pipe rear end and is connected with converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621352816.1U CN206269862U (en) | 2016-12-09 | 2016-12-09 | The inserting-type flowmeter of built-in Venturi tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621352816.1U CN206269862U (en) | 2016-12-09 | 2016-12-09 | The inserting-type flowmeter of built-in Venturi tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206269862U true CN206269862U (en) | 2017-06-20 |
Family
ID=59045062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621352816.1U Expired - Fee Related CN206269862U (en) | 2016-12-09 | 2016-12-09 | The inserting-type flowmeter of built-in Venturi tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206269862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633974A (en) * | 2020-06-05 | 2020-09-08 | 中国海洋石油集团有限公司 | Processing method of composite nested pipe |
-
2016
- 2016-12-09 CN CN201621352816.1U patent/CN206269862U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633974A (en) * | 2020-06-05 | 2020-09-08 | 中国海洋石油集团有限公司 | Processing method of composite nested pipe |
| CN111633974B (en) * | 2020-06-05 | 2022-05-03 | 中国海洋石油集团有限公司 | Processing method of composite nested pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170620 Termination date: 20171209 |