CN107356300A - A kind of ultrasonic flowmeter - Google Patents
A kind of ultrasonic flowmeter Download PDFInfo
- Publication number
- CN107356300A CN107356300A CN201710801339.5A CN201710801339A CN107356300A CN 107356300 A CN107356300 A CN 107356300A CN 201710801339 A CN201710801339 A CN 201710801339A CN 107356300 A CN107356300 A CN 107356300A
- Authority
- CN
- China
- Prior art keywords
- pressure
- transducer
- bearing shell
- ultrasonic
- probe
- 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
- 239000000523 sample Substances 0.000 claims abstract description 36
- 230000000712 assembly Effects 0.000 claims abstract description 33
- 238000000429 assembly Methods 0.000 claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 20
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000013016 damping Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000026683 transduction Effects 0.000 claims 1
- 238000010361 transduction Methods 0.000 claims 1
- 230000006837 decompression Effects 0.000 abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
-
- 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
- G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/662—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
- G01F15/022—Compensating or correcting for variations in pressure, density or temperature using electrical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
- G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
- G01F15/043—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/10—Preventing damage by freezing or excess pressure or insufficient pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a kind of ultrasonic flowmeter, including pressure-bearing shell and at least one set of transducer assemblies, pressure-bearing shell to be connected with fluid line；Transducer assemblies described in every group include two ultrasonic transducers; each ultrasonic transducer includes transducer base and transducer probe; transducer probe includes probe containment vessel made of metal; one end of probe containment vessel is connected with transducer base, and the other end is provided with metal matching layer and inserted by the mounting hole on pressure-bearing shell in the pressure-bearing shell.Pressure-bearing shell, probe containment vessel and metal matching layer add the bearing capacity of probe, and probe can bear 42MPa pressure, avoid the decompression technique of complexity, save cost.
Description
Technical field
The present invention relates to field of flow measurement, more particularly to a kind of ultrasonic flowmeter.
Background technology
Ultrasonic flowmeter is by detecting effect of the flow of fluid to supersonic beam with the instrument of measurement stream amount.Ultrasonic flowmeter
It is to measure a flowmeter, many natural gas trade transactions, the energy, environmental protection etc. that fluid is more accurate, stable to need high accuracy
The occasion of metering, it can all select ultrasonic flowmeter.
Existing ultrasonic flowmeter installation uses in the duct, and when the pressure in pipeline is larger, transducer can be because bearing
High pressure and damage, cause medium to be revealed；In order to measure high-pressure fluid, some occasions can change production technology, and high-pressure fluid is entered
Row decompression is handled, and is measured again afterwards, is depressured complex process, is wasted time and energy, and decompression device cost is high.
The content of the invention
Another object of the present invention is to provide a kind of ultrasonic flowmeter, to solve measuring accuracy present in prior art
Low, flimsy technical problem when pressure is high.
As above conceive, the technical solution adopted in the present invention is：
A kind of ultrasonic flowmeter, including：
Pressure-bearing shell, it is connected with fluid line；
At least one set of transducer assemblies, transducer assemblies described in every group include two ultrasonic transducers, each ultrasound
Transducer includes transducer base and transducer probe, and the transducer probe includes probe containment vessel, institute made of metal
The one end for stating probe containment vessel is connected with the transducer base, and the other end is provided with metal matching layer and by the pressure-bearing shell
Mounting hole on body is inserted in the pressure-bearing shell.
Wherein, the transducer base is threadedly coupled with the pressure-bearing shell, and the transducer base is internally provided with screen
Cable is covered, metallic gasket, sealing ring and outlet joint are arranged with the shielded cable, the pressure in the probe containment vessel
Electric device and damping mat are connected with the shielded cable, and the metal matching layer is located at the piezoelectric element away from the damping mat
One end.
Wherein, the transducer assemblies are circumferentially distributed along the pressure-bearing shell, and transducer assemblies described in two adjacent groups are along institute
That states pressure-bearing shell axially offsets distribution.
Wherein, the angle between two ultrasonic transducers in transducer assemblies described in every group 50~120 degree it
Between.
Wherein, the transducer assemblies have two groups, the angle between mounting plane described in two groups where transducer assemblies
For 90 degree.
Wherein, the angle between two ultrasonic transducers in transducer assemblies described in every group is 90 degree.
Wherein, pressure sensor and/or temperature sensor are provided between two ultrasonic transducers.
Wherein, the pressure-bearing shell is connected by W.N flange with the fluid line, two W.N flange difference
Positioned at the entrance point and the port of export of the pressure-bearing shell.
Wherein, the pressure-bearing shell is integrally formed, and the wall thickness of the pressure-bearing shell is not less than 10mm.
Wherein, in addition to ultrasonic tr-ansducer, it is connected on the pressure-bearing shell and electrically connected with the transducer assemblies,
Display screen is provided with the ultrasonic tr-ansducer.
Beneficial effects of the present invention：
Ultrasonic flowmeter proposed by the present invention, including pressure-bearing shell and at least one set of transducer assemblies, every group of transducer group
Part includes two ultrasonic transducers, and each ultrasonic transducer includes transducer base and transducer probe, transducer probe bag
Include probe containment vessel, the one end for containment vessel of popping one's head in made of metal to be connected with transducer base, the other end is provided with metal matching
Layer is simultaneously inserted in pressure-bearing shell by the mounting hole on pressure-bearing shell.Probe containment vessel and gold made of pressure-bearing shell, metal
Belong to matching layer, add the bearing capacity of transducer probe, transducer probe can bear 42MPa pressure, avoid complexity
Decompression technique, save cost；The ultrasonic flowmeter can be measured directly to high pressure power media, particularly gases at high pressure
Medium, simplify measurement technique.
Brief description of the drawings
Fig. 1 is the sectional view of ultrasonic transducer provided by the invention；
Fig. 2 is the structural representation one of ultrasonic flowmeter provided by the invention；
Fig. 3 is the structural representation two of ultrasonic flowmeter provided by the invention；
Fig. 4 is the front view of ultrasonic flowmeter provided by the invention；
Fig. 5 is the side view of ultrasonic flowmeter provided by the invention；
Fig. 6 is the partial sectional view of ultrasonic flowmeter provided by the invention.
In figure：
1st, ultrasonic transducer；2nd, pressure-bearing shell；3rd, W.N flange；4th, pressure sensor；5th, temperature sensor；6th, ultrasound turns
Parallel operation；
11st, transducer base；12nd, transducer probe；13rd, shielded cable；14th, metallic gasket；15th, sealing ring；16th, outlet
Joint；
121st, probe containment vessel；122nd, metal matching layer；123rd, piezoelectric element；124th, damping mat.
Embodiment
Below in conjunction with the accompanying drawings technical scheme is further illustrated with embodiment.It is understood that this place
The specific embodiment of description is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that in order to
It is easy to describe, part related to the present invention is illustrate only in accompanying drawing and not all.
Referring to Fig. 1 to Fig. 6, the embodiment of the present invention provides a kind of ultrasonic flowmeter, suitable for metering liquid or gas, such as
The detection and metering of the industry process fluid such as oil well implication, high-pressure natural gas and the energy, environmental protection.
Ultrasonic flowmeter includes pressure-bearing shell 2 and at least one set of transducer assemblies.
Pressure-bearing shell 2 is connected with fluid line, and pressure-bearing shell 2 is connected by W.N flange 3 with fluid line, two butt welding
Flange 3 is located at the entrance point and the port of export of pressure-bearing shell 2 respectively.
At least one set of transducer assemblies, every group of transducer assemblies include two ultrasonic transducers 1, each ultrasonic transducer 1
Include transducer base 11 and transducer probe 12, transducer probe 12 includes probe containment vessel 121 made of metal, probe
One end of containment vessel 121 is connected with transducer base 11, and the other end is provided with metal matching layer 122 and by pressure-bearing shell 2
Mounting hole insertion pressure-bearing shell 2 in.Probe containment vessel 121 and metal matching layer 122 increase made of pressure-bearing shell 2, metal
The bearing capacity of probe, probe can bear 42MPa pressure, avoid the decompression technique of complexity, save cost.
Transducer base 11 is threadedly coupled with pressure-bearing shell 2, and transducer base 11 is consolidated with pressure-bearing shell 2 using four screws
It is fixed, thread locking adhesive is smeared at screw thread.Transducer base 11 is internally provided with shielded cable 13, and gold is arranged with shielded cable 13
Belong to pad 14, sealing ring 15 and outlet joint 16, closely connected between each part, ensure that sealing and contact are good.
Probe containment vessel 121 is made up of 316L stainless steels or titanium, the He of piezoelectric element 123 in probe containment vessel 121
Damping mat 124 is connected with shielded cable 13, and piezoelectric element 123 sets leaded, metal matching layer close to one end of damping mat 124
122 are located at the one end of piezoelectric element 123 away from damping mat 124.Metal matching layer 122 insertion probe containment vessel 121 in and with spy
Head protection shell 121 welds, and a face of metal matching layer 122 contacts with fluid.Piezoelectric element 123 and damping mat 124 are respectively positioned on
Pop one's head in containment vessel 121, closely connected between each part, ensure that sealing and contact are good.
Transducer base 11 and 12 first screw thread of transducer probe are standby tight, then are welded and fixed, and ensure machining accuracy.Transducer bottom
Each parts filling of seat 11 and the inside of transducer probe 12 is close, and is compressed at pigtail connection, makes internal overall structure band
There is certain pretightning force, be effective against external pressure, normal receiving and transmitting signal can be carried out under 42MPa pressure.
Multigroup transducer assemblies are circumferentially distributed along pressure-bearing shell 2, form multichannel, and larger sound path can ensure precise and high efficiency
Metering；Two adjacent groups transducer assemblies axially offset distribution along pressure-bearing shell 2, can be formed in pressure-bearing shell 2 different
Section, influence of the fluidised form to measuring accuracy in pressure-bearing shell 2 is reduced, improves overall measuring accuracy, and take full advantage of pressure-bearing
The space of housing 2, avoid producing interference, avoid causing local decrease.
Every group of transducer assemblies include two above-mentioned ultrasonic transducers 1 that angle is in 50~120 degree, ensure that a ultrasound is changed
The signal that energy device 1 is sent can be received by another ultrasonic transducer 1, and two ultrasonic transducers 1 are alternately as transmitting terminal and connect
Receiving end, improve efficiency of transmission.
Flowmeter measurable up to 42MPa high-pressure fluid, measuring accuracy can reach 0.5% grade, 0.1% grade of repeatability,
Range ratio is at least up to 1:30, rate of flow of fluid is between 1~30m/s, and temperature use range is between -40~120 DEG C.
According to being actually needed, the pressure-bearing shell 2 of different-diameter, the quantity of transducer assemblies is different.In the present embodiment, change
Energy device assembly has two groups, and the angle between mounting plane where two groups of transducer assemblies is 90 degree.In every group of transducer assemblies
Two ultrasonic transducers 1 between angle be 90 degree, be easy to produce and process, install and measure.
Pressure sensor 4 and/or temperature sensor 5, the pressure of measurable fluid are provided between two ultrasonic transducers 1
And temperature, compensation is may also provide, authentic data is provided to calculate working condition pressure.In the present embodiment, in one group of transducer assemblies
Two ultrasonic transducers 1 between pressure sensor 4 is set, between two ultrasonic transducers 1 in another group of transducer assemblies
Temperature sensor 5 is set.Pressure sensor 4 and temperature sensor 5 are threadedly coupled with pressure-bearing shell 2, and reach is all higher than 10
Button, ensure load performance.Pressure sensor 4 is provided with pressure core close to one end of measured fluid, and pressure sensor 4 is remote
One end of measured fluid is provided with outlet crossover sub.
Also include ultrasonic tr-ansducer 6, its be connected on pressure-bearing shell 2 and with transducer assemblies, pressure sensor 4 and temperature
Sensor 5 is electrically connected, and display screen is provided with ultrasonic tr-ansducer 6, can show instantaneous delivery, integrated flow, pressure, temperature, stream
The parameter informations such as rate of flow of fluid.Ultrasonic tr-ansducer 6 uses arm processor, can carry out self diagnosis, and the signal of ultrasonic transducer 1 has AGC
Function, being capable of the parameter such as output pulse signal, electric current.
In the present embodiment, to ensure load performance, pressure-bearing shell 2 uses the integrally formed mode of overall processing, avoided
The problems such as scarce welderings that welded bands are come, solder skip, machining accuracy is high, avoids welding deformation.Pressure-bearing shell 2 can be 42MPa's
Worked under pressure, the wall thickness of pressure-bearing shell 2 is not less than 10mm, ensures load performance.The each several part threaded connection place of pressure-bearing shell 2
The depth of thread be all higher than 1.5 times of pitch or more than 10 button screw threads, screw thread is met high pressure requirement.
Pressure-bearing shell 2 is welded with W.N flange 3, and x-ray inspection is used after welding, ensures load performance.After machining,
Ultrasonic flowmeter table body is carried out to suppress test, the hydraulic pressure of 1.5 times of nominal pressures, pressurize 30 minutes, must not reveal, deform, it is no
It is then substandard product.
Embodiment of above is to elaborate the general principle and characteristic of the present invention, and the present invention is not limited by above-mentioned embodiment
System, without departing from the spirit and scope of the present invention, the present invention also have various change and change, and these changes and modifications are all
Fall into scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (10)
- A kind of 1. ultrasonic flowmeter, it is characterised in that including：Pressure-bearing shell, it is connected with fluid line；At least one set of transducer assemblies, transducer assemblies described in every group include two ultrasonic transducers, each ultrasonic transduction Device includes transducer base and transducer probe, and the transducer probe includes probe containment vessel, the spy made of metal One end of head protection shell is connected with the transducer base, and the other end is provided with metal matching layer and by the pressure-bearing shell Mounting hole insert in the pressure-bearing shell.
- 2. ultrasonic flowmeter according to claim 1, it is characterised in that the transducer base and the pressure-bearing shell spiral shell Line connects, and the transducer base is internally provided with shielded cable, be arranged with the shielded cable metallic gasket, sealing ring and Outlet joint, piezoelectric element and damping mat in the probe containment vessel are connected with the shielded cable, the metal It is located at the one end of the piezoelectric element away from the damping mat with layer.
- 3. ultrasonic flowmeter according to claim 1, it is characterised in that the transducer assemblies are all along the pressure-bearing shell To distribution, transducer assemblies described in two adjacent groups axially offset distribution along the pressure-bearing shell.
- 4. ultrasonic flowmeter according to claim 3, it is characterised in that described in two in transducer assemblies described in every group Angle between ultrasonic transducer is between 50~120 degree.
- 5. ultrasonic flowmeter according to claim 4, it is characterised in that the transducer assemblies have two groups, described in two groups The angle between mounting plane where transducer assemblies is 90 degree.
- 6. ultrasonic flowmeter according to claim 5, it is characterised in that described in two in transducer assemblies described in every group Angle between ultrasonic transducer is 90 degree.
- 7. ultrasonic flowmeter according to claim 6, it is characterised in that be provided with pressure between two ultrasonic transducers Force snesor and/or temperature sensor.
- 8. according to the ultrasonic flowmeter described in claim any one of 1-7, it is characterised in that the pressure-bearing shell passes through to welding method Blue to be connected with the fluid line, two W.N flanges are located at the entrance point and the port of export of the pressure-bearing shell respectively.
- 9. ultrasonic flowmeter according to claim 8, it is characterised in that the pressure-bearing shell is integrally formed, the pressure-bearing The wall thickness of housing is not less than 10mm.
- 10. according to the ultrasonic flowmeter described in claim any one of 1-7, it is characterised in that also including ultrasonic tr-ansducer, it connects It is connected on the pressure-bearing shell and is electrically connected with the transducer assemblies, display screen is provided with the ultrasonic tr-ansducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710801339.5A CN107356300A (en) | 2017-09-07 | 2017-09-07 | A kind of ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710801339.5A CN107356300A (en) | 2017-09-07 | 2017-09-07 | A kind of ultrasonic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107356300A true CN107356300A (en) | 2017-11-17 |
Family
ID=60290517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710801339.5A Pending CN107356300A (en) | 2017-09-07 | 2017-09-07 | A kind of ultrasonic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107356300A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680211A (en) * | 2018-08-31 | 2018-10-19 | 四川菲罗米特仪表有限公司 | A kind of gas ultrasonic flow sensor |
| CN116174832A (en) * | 2023-04-21 | 2023-05-30 | 中国科学院合肥物质科学研究院 | Piezoelectric sensor probe design method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101248541A (en) * | 2005-08-12 | 2008-08-20 | 丹尼尔度量和控制公司 | Transducer housing for an ultrasonic fluid meter |
| CN201707090U (en) * | 2009-12-14 | 2011-01-12 | 上海维思仪器仪表有限公司 | Double-channel triangular standard stub |
| CN201707080U (en) * | 2009-12-14 | 2011-01-12 | 上海维思仪器仪表有限公司 | Triangular plus V-shaped four-way standard nipple |
| CN102426037A (en) * | 2010-08-18 | 2012-04-25 | 通用电气公司 | Ultrasonic transducer device |
| CN202255497U (en) * | 2011-09-13 | 2012-05-30 | 上海中核维思仪器仪表有限公司 | High-precision gas ultrasonic flowmeter |
| CN102597714A (en) * | 2009-10-29 | 2012-07-18 | 罗伯特·博世有限公司 | Ultrasound transducer for using in a fluid medium |
| CN102741666A (en) * | 2010-01-06 | 2012-10-17 | 丹尼尔测量和控制公司 | Ultrasonic flow meter, transducer assembly, and methods of manufacturing the same |
| CN104596601A (en) * | 2014-12-25 | 2015-05-06 | 重庆川仪自动化股份有限公司 | Ultrasonic flow meter sensor with eight sound channels |
| CN107044874A (en) * | 2017-03-24 | 2017-08-15 | 天津市迅尔仪表科技有限公司 | Split non-pressurized probe of ultrasonic flowmeter mounting seat |
| CN207215206U (en) * | 2017-09-07 | 2018-04-10 | 上海一诺仪表有限公司 | A kind of ultrasonic flowmeter |
-
2017
- 2017-09-07 CN CN201710801339.5A patent/CN107356300A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101248541A (en) * | 2005-08-12 | 2008-08-20 | 丹尼尔度量和控制公司 | Transducer housing for an ultrasonic fluid meter |
| CN102597714A (en) * | 2009-10-29 | 2012-07-18 | 罗伯特·博世有限公司 | Ultrasound transducer for using in a fluid medium |
| CN201707090U (en) * | 2009-12-14 | 2011-01-12 | 上海维思仪器仪表有限公司 | Double-channel triangular standard stub |
| CN201707080U (en) * | 2009-12-14 | 2011-01-12 | 上海维思仪器仪表有限公司 | Triangular plus V-shaped four-way standard nipple |
| CN102741666A (en) * | 2010-01-06 | 2012-10-17 | 丹尼尔测量和控制公司 | Ultrasonic flow meter, transducer assembly, and methods of manufacturing the same |
| CN102426037A (en) * | 2010-08-18 | 2012-04-25 | 通用电气公司 | Ultrasonic transducer device |
| CN202255497U (en) * | 2011-09-13 | 2012-05-30 | 上海中核维思仪器仪表有限公司 | High-precision gas ultrasonic flowmeter |
| CN104596601A (en) * | 2014-12-25 | 2015-05-06 | 重庆川仪自动化股份有限公司 | Ultrasonic flow meter sensor with eight sound channels |
| CN107044874A (en) * | 2017-03-24 | 2017-08-15 | 天津市迅尔仪表科技有限公司 | Split non-pressurized probe of ultrasonic flowmeter mounting seat |
| CN207215206U (en) * | 2017-09-07 | 2018-04-10 | 上海一诺仪表有限公司 | A kind of ultrasonic flowmeter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680211A (en) * | 2018-08-31 | 2018-10-19 | 四川菲罗米特仪表有限公司 | A kind of gas ultrasonic flow sensor |
| CN116174832A (en) * | 2023-04-21 | 2023-05-30 | 中国科学院合肥物质科学研究院 | Piezoelectric sensor probe design method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2012067637A1 (en) | Chordal gas flowmeter with transducers installed outside the pressure boundary, housing and method | |
| CN106595785A (en) | Opposite type small-bore ultrasonic flowmeter | |
| CN206440317U (en) | A kind of correlation ultrasonic flow meter with small aperture | |
| CN107356300A (en) | A kind of ultrasonic flowmeter | |
| CN207215206U (en) | A kind of ultrasonic flowmeter | |
| CN107356299A (en) | A kind of ultrasonic flowmeter | |
| CN207215203U (en) | A kind of ultrasonic flowmeter | |
| CN110763294B (en) | Double-capacitance two-phase flow parameter measuring instrument and measuring method | |
| CN104596601B (en) | eight-channel ultrasonic flowmeter sensor | |
| CN108760137A (en) | A kind of teletransmission component and the teletransmission pressure transmitter including the teletransmission component | |
| CN202708601U (en) | Leakage detecting device for external oil-gas pipeline | |
| CN210221163U (en) | Electrode sealing structure of electromagnetic flowmeter | |
| CN209727178U (en) | A kind of undergauge type electromagnetism water meter | |
| US11441930B2 (en) | Tube for a transducer, transducer comprising such a tube, and measuring system formed therewith | |
| CN107044874A (en) | Split non-pressurized probe of ultrasonic flowmeter mounting seat | |
| CN207335793U (en) | A kind of stainless steel ultrasonic wave valve control water meter detects pipeline section | |
| CN107290274A (en) | A kind of high voltage induction probe for measuring rate of metal corrosion and its compensation method | |
| CN102384760A (en) | Novel calibrating device | |
| CN103557891A (en) | High-pressure resistant and corrosion resistant turbine flowmeter | |
| CN211696534U (en) | Ultrasonic gas meter of multichannel | |
| CN113514664A (en) | Built-in temperature and pressure detection ultrasonic flow velocity sensor and mounting method | |
| CN202708602U (en) | Leakage detecting device for internal oil-gas pipeline | |
| CN206146488U (en) | Heavy -calibre ultrasonic flowmeter transducer element and heavy -calibre ultrasonic flowmeter | |
| CN220625399U (en) | Probe device of ultrasonic flowmeter | |
| CN219573151U (en) | Anti-vibration precession vortex flowmeter with temperature and pressure compensation |
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 |