CN108871470A - A kind of new plug-in differential pressure flowmeter - Google Patents
A kind of new plug-in differential pressure flowmeter Download PDFInfo
- Publication number
- CN108871470A CN108871470A CN201810615398.8A CN201810615398A CN108871470A CN 108871470 A CN108871470 A CN 108871470A CN 201810615398 A CN201810615398 A CN 201810615398A CN 108871470 A CN108871470 A CN 108871470A
- Authority
- CN
- China
- Prior art keywords
- differential pressure
- detecting head
- new plug
- carrying platform
- guide tube
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005476 soldering Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000002457 bidirectional effect Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- FWQHNLCNFPYBCA-UHFFFAOYSA-N fluoran Chemical compound C12=CC=CC=C2OC2=CC=CC=C2C11OC(=O)C2=CC=CC=C21 FWQHNLCNFPYBCA-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a kind of new plug-in differential pressure flowmeters, including sequentially connected detecting head, detection bar, carrying platform and main body, it is wrapped up outside detection bar and is provided with a locking device, locking device is fixedly connected with to test tube, it is circular cross-section at the top of the detecting head, detecting head is connected with height gas-guide tube, and the setting of height gas-guide tube is inside detection bar and passes through carrying platform, and detecting head and detection bar are welded to connect and place temperature sensor in the cavity in detecting head；It is fixed with main body by fastener connection type on the carrying platform, main body includes differential pressure pick-up, baroceptor, circuit board and three-way magnetic valve, the two entrances and one outlet of three-way magnetic valve are separately connected height gas-guide tube, and the lead-out wire of differential pressure pick-up and baroceptor is separately connected circuit board.The detection head shapes of the present apparatus are designed as diamond-shaped cross-section rounding off, have the function of that fixedly separated point and pressure difference are stable, are adapted to bidirectional measurement.
Description
Technical field
The present invention relates to pipeline flow detection devices, more particularly to a kind of new plug-in differential pressure flowmeter.
Background technique
In the prior art, sensing element is the detection bar being inserted into pipeline in mean velocity tube flowmeter structure, as most
Main probe portion has been largely fixed the measuring accuracy of flowmeter.Traditional even speed tube differential pressure flowmeter meets stream
Face is provided with pairs of pressure port, and pressure measured by fluoran stream surface is stagnation pressure, and the pressure hole site of general lee side is located at the axis of pipeline
At line center, the static pressure that the pressure value obtained is fluid is tested.Mean velocity tube flowmeter is exactly to utilize fluoran stream surface and lee side point
The relationship of the total pressure and static pressure that do not measure tests pipe flow speed, and then obtains the gas flow of pipeline.The inspection of above-mentioned apparatus
Survey result fluctuation greatly, there is the particular/special requirements of installation direction.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of new plug-in differential pressure flowmeter, the dresses
It sets and has bidirectional measurement function, pressure difference is stablized in detection process, and testing result is accurate.
In order to achieve the above object, the technical solution adopted by the present invention is that：A kind of new plug-in differential pressure flowmeter, including
Sequentially connected detecting head, detection bar, carrying platform and main body, detection bar wraps up outside is provided with a locking device, locking device
It is fixedly connected with to test tube, is circular cross-section at the top of the detecting head, detecting head is connected with height gas-guide tube, height gas-guide tube
Setting is inside detection bar and passes through carrying platform, and detecting head and detection bar are welded to connect and place temperature in the cavity in detecting head
Spend sensor；It is fixed with main body by fastener connection type on the carrying platform, main body includes differential pressure pick-up, air pressure
Sensor, circuit board and three-way magnetic valve, the two entrances and one outlet of three-way magnetic valve are separately connected height gas-guide tube, poor
The lead-out wire of pressure sensor and baroceptor is separately connected circuit board.
Further, one end of detecting head as described above is opened up there are three circular hole, the shape near-rhombic of circular cross-section.
Further, detecting head as described above is fixed with height gas-guide tube by soldering connection.
Further, temperature sensor as described above connects circuit board by lead-out wire.
Further, sealing ring is equipped between locking device as described above and pipe under test.
Further, locking device as described above is to form with externally threaded nonstandard nut.
Further, sealing ring is equipped between height gas-guide tube and carrying platform as described above.
Further, three-way magnetic valve as described above is separately connected differential pressure pick-up and baroceptor.
Further, circuit board as described above is connected by connecting line with Electromagnetic Flow crossover display terminal.
Compared with prior art, the beneficial effects of the invention are as follows：The present apparatus is by using for reference diamond-shaped cross-section with fixedly separated
The characteristics of point, the angular section in left and right ends is devised, while using for reference various streamlined curved surfaces and being conducive to the stable spy of pressure difference
Point devises the feature of arc transition, in order to make novel plug-in type differential pressure flowmeter have the function of bidirectional measurement, devises
The symmetrical cross section structure in front and back.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is detecting head perspective view one of the invention；
Fig. 3 is detecting head perspective view two of the invention.
Label in attached drawing be：1. detecting head；2. detecting bar；3. locking device；4. carrying platform；5. main body；6. circuit
Plate；7. height gas-guide tube；8. pressure port；9. circular cross-section.
Specific embodiment
It is described in detail below with reference to embodiment referring to attached drawing, to be carried out more to technical characteristic of the invention and advantage
Deep annotation.
As shown in Figure 1-3, a kind of new plug-in differential pressure flowmeter of the invention, including sequentially connected detecting head 1, spy
Measuring staff 2, carrying platform 4 and main body 5 detect package outside bar 2 and are provided with a locking device 3, and locking device 3 fixes company with to test tube
It connects, is circular cross-section 9, detecting head 1 and height air guide at the top of the detecting head 1 so as to detect to the flow in test tube
Pipe 7 is connected, and the setting of height gas-guide tube 7 is in 2 inside of detection bar and passes through carrying platform 4, and detecting head 1 and detection bar 2 are welded to connect
And temperature sensor is placed in the cavity in detecting head 1；Pass through fastener connection type with main body 5 on the carrying platform 4
Fixed, main body 5 includes differential pressure pick-up, baroceptor, circuit board 6 and three-way magnetic valve, the two entrances of three-way magnetic valve
Height gas-guide tube 7 is separately connected with one outlet, and the lead-out wire of differential pressure pick-up and baroceptor is separately connected circuit board 6.
Further, one end of the detecting head 1 is opened up there are three circular hole, the shape near-rhombic of circular cross-section 9, round
The streamlined curved surface of arc transition is conducive to pressure difference and stablizes, and the symmetrical cross section structure in front and back can make it have the function of bidirectional measurement
Can, the detecting head 1 is fixed with height gas-guide tube 7 by soldering connection, and the temperature sensor is connected by lead-out wire
Circuit board 6, is equipped with sealing ring between the locking device 3 and pipe under test, the locking device 3 is with externally threaded non-
Nut composition is marked, sealing ring is equipped between the height gas-guide tube 7 and carrying platform 4, the three-way magnetic valve connects respectively
Differential pressure pick-up and baroceptor are connect, the circuit board 6 is connected by connecting line with Electromagnetic Flow crossover display terminal, in this way
Flow number can be directly displayed by Electromagnetic Flow crossover display terminal, can also increase displays temperature numerical value certainly.
1 structural schematic diagram of detecting head in Fig. 2-3, two of them circular hole are pressure port 8, and pressure port 8 is through detecting head 1
Top and corresponding with the two sides of diamond shape circular cross-section 9, while rounding off processing is carried out to the corner of detecting head 1.
In the present apparatus, circuit board 6 and various sensors etc. are the prior art or material, and affiliated technical staff is according to institute
The product type and specification needed can directly be bought from market or tailor-made.
Clear, complete description is carried out to the present invention by the technical solution in above embodiments, it is clear that described reality
The embodiment that example is present invention a part is applied, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Claims (9)
1. a kind of new plug-in differential pressure flowmeter, which is characterized in that including sequentially connected detecting head（1）, detection bar（2）,
Carrying platform（4）And main body（5）, detect bar（2）Outer package is provided with a locking device（3）, locking device（3）Consolidate with to test tube
Fixed connection, the detecting head（1）Top is circular cross-section（9）, detecting head（1）With height gas-guide tube（7）It is connected, height air guide
Pipe（7）Setting is in detection bar（2）It is internal and pass through carrying platform（4）, detecting head（1）With detection bar（2）It is welded to connect and detects
Head（1）Temperature sensor is placed in interior cavity；The carrying platform（4）Upper and main body（5）Pass through fastener connection type
It is fixed, main body（5）Including differential pressure pick-up, baroceptor, circuit board（6）And three-way magnetic valve, two of three-way magnetic valve
Entrance and one outlet are separately connected height gas-guide tube（7）, the lead-out wire of differential pressure pick-up and baroceptor is separately connected electricity
Road plate（6）.
2. new plug-in differential pressure flowmeter according to claim 1, which is characterized in that the detecting head（1）One
Hold circular hole there are three opening up, circular cross-section（9）Shape near-rhombic.
3. new plug-in differential pressure flowmeter according to claim 2, which is characterized in that the detecting head（1）With height
Low gas-guide tube（7）It is fixed by soldering connection.
4. new plug-in differential pressure flowmeter according to claim 1, which is characterized in that the temperature sensor passes through
Lead-out wire connects circuit board（6）.
5. new plug-in differential pressure flowmeter according to claim 1, which is characterized in that the locking device（3）With
Sealing ring is equipped between pipe under test.
6. new plug-in differential pressure flowmeter according to claim 5, which is characterized in that the locking device（3）For
It is formed with externally threaded nonstandard nut.
7. new plug-in differential pressure flowmeter according to claim 1, which is characterized in that the height gas-guide tube（7）
With carrying platform（4）Between be equipped with sealing ring.
8. new plug-in differential pressure flowmeter according to claim 1, which is characterized in that the three-way magnetic valve difference
Connect differential pressure pick-up and baroceptor.
9. new plug-in differential pressure flowmeter according to claim 8, which is characterized in that the circuit board（6）Pass through
Connecting line is connected with Electromagnetic Flow crossover display terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615398.8A CN108871470A (en) | 2018-06-14 | 2018-06-14 | A kind of new plug-in differential pressure flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615398.8A CN108871470A (en) | 2018-06-14 | 2018-06-14 | A kind of new plug-in differential pressure flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108871470A true CN108871470A (en) | 2018-11-23 |
Family
ID=64339139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810615398.8A Pending CN108871470A (en) | 2018-06-14 | 2018-06-14 | A kind of new plug-in differential pressure flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108871470A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4703661A (en) * | 1985-04-11 | 1987-11-03 | Intra-Automation Gmbh Mess- Und Regelinstrumente | Differential pressure flow probe |
| JPH07243930A (en) * | 1994-03-08 | 1995-09-19 | Tokyo Gas Co Ltd | Installation mechanism for differential pressure transmitter and valve unit for installation |
| CN2310983Y (en) * | 1996-11-29 | 1999-03-17 | 项家从 | Multifunctional integrated uniform velocity tube flowmeter |
| JP2004085354A (en) * | 2002-08-27 | 2004-03-18 | Nippon Applied Flow Kk | Flow velocity/pressure measuring instrument, flow velocity/pressure measuring device, piping network monitoring system, and flow velocity measurement device |
| CN201819708U (en) * | 2010-06-07 | 2011-05-04 | 孙立军 | Uniform-speed tube flow sensor with flow distributing wings |
| CN202734877U (en) * | 2012-09-11 | 2013-02-13 | 马世勋 | Verabar flowmeter probe |
| CN103196500A (en) * | 2013-04-09 | 2013-07-10 | 莱芜钢铁集团电子有限公司 | Inserting type flowmeter |
| CN104949719A (en) * | 2014-03-27 | 2015-09-30 | 迪特里奇标准公司 | Customizable duct mount pitot tube primary element |
| CN207231557U (en) * | 2017-08-31 | 2018-04-13 | 辽宁聚焦工业流体科学研究院 | A kind of bidirectional flow plug-in type AB symmetrical flowmeters |
| CN208223566U (en) * | 2018-06-14 | 2018-12-11 | 东莞理工学院 | A kind of new plug-in differential pressure flowmeter |
-
2018
- 2018-06-14 CN CN201810615398.8A patent/CN108871470A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4703661A (en) * | 1985-04-11 | 1987-11-03 | Intra-Automation Gmbh Mess- Und Regelinstrumente | Differential pressure flow probe |
| JPH07243930A (en) * | 1994-03-08 | 1995-09-19 | Tokyo Gas Co Ltd | Installation mechanism for differential pressure transmitter and valve unit for installation |
| CN2310983Y (en) * | 1996-11-29 | 1999-03-17 | 项家从 | Multifunctional integrated uniform velocity tube flowmeter |
| JP2004085354A (en) * | 2002-08-27 | 2004-03-18 | Nippon Applied Flow Kk | Flow velocity/pressure measuring instrument, flow velocity/pressure measuring device, piping network monitoring system, and flow velocity measurement device |
| CN201819708U (en) * | 2010-06-07 | 2011-05-04 | 孙立军 | Uniform-speed tube flow sensor with flow distributing wings |
| CN202734877U (en) * | 2012-09-11 | 2013-02-13 | 马世勋 | Verabar flowmeter probe |
| CN103196500A (en) * | 2013-04-09 | 2013-07-10 | 莱芜钢铁集团电子有限公司 | Inserting type flowmeter |
| CN104949719A (en) * | 2014-03-27 | 2015-09-30 | 迪特里奇标准公司 | Customizable duct mount pitot tube primary element |
| CN207231557U (en) * | 2017-08-31 | 2018-04-13 | 辽宁聚焦工业流体科学研究院 | A kind of bidirectional flow plug-in type AB symmetrical flowmeters |
| CN208223566U (en) * | 2018-06-14 | 2018-12-11 | 东莞理工学院 | A kind of new plug-in differential pressure flowmeter |
Non-Patent Citations (1)
| Title |
|---|
| 毛新业: "《均速管流量计》", 计量出版社, pages: 21 - 24 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103364279B (en) | The method of calibration of a kind of sounding balloon bursting instrument and calibration equipment thereof | |
| CN210741584U (en) | Wet gas flow metering device | |
| CN115435929B (en) | High-frequency total temperature and total pressure probe | |
| CN208060103U (en) | A kind of exhaust system quantity of gas leakage detection device | |
| CN207081470U (en) | A kind of sonic nozzle calibrating installation | |
| CN208223566U (en) | A kind of new plug-in differential pressure flowmeter | |
| CN115435930A (en) | Three-dimensional full-parameter high-frequency probe for measuring interstage | |
| CN209342180U (en) | A kind of Pi Tuoba flowmeter | |
| CN106885649A (en) | A kind of dynamic temperature force combination probe for measuring subsonics Two Dimensional Unsteady flow field | |
| CN108871470A (en) | A kind of new plug-in differential pressure flowmeter | |
| CN210533664U (en) | Quick detection device of gas tightness suitable for low-speed wind tunnel wind speed measurement system | |
| CN202836639U (en) | Heat-type v-cone differential pressure flow duplex measurement device | |
| CN208366792U (en) | Air permeability detection device | |
| CN110793583A (en) | Plug-in pipeline gas measuring instrument | |
| CN105841760A (en) | Insert-type electromagnetic flowmeter | |
| CN207147558U (en) | A kind of binary channels wide-range than flowmeter | |
| CN107014434B (en) | Cone head steady-state temperature and pressure combined probe for measuring high subsonic three-dimensional flow field | |
| CN207662471U (en) | A kind of damping type vortex-shedding meter | |
| CN212458883U (en) | Engine water flow measuring device | |
| CN207248254U (en) | A kind of apparatus for measuring air quantity | |
| CN211904339U (en) | On-line detection standard device for small-flow gas flowmeter | |
| CN209117081U (en) | A kind of bypass measuring device of pipeline water flow amount | |
| CN106918437A (en) | A kind of four hole probes for measuring subsonic speed two-dimensional flow field | |
| CN204881560U (en) | Symmetry formula ball socket sphere diameter gas electrical measurement appearance | |
| CN206788109U (en) | A kind of DB types probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |