CN207215203U - A kind of ultrasonic flowmeter - Google Patents
A kind of ultrasonic flowmeter Download PDFInfo
- Publication number
- CN207215203U CN207215203U CN201721140729.4U CN201721140729U CN207215203U CN 207215203 U CN207215203 U CN 207215203U CN 201721140729 U CN201721140729 U CN 201721140729U CN 207215203 U CN207215203 U CN 207215203U
- Authority
- CN
- China
- Prior art keywords
- pressure
- transducer
- bearing shell
- ultrasonic
- ultrasonic flowmeter
- 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.)
- Active
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a kind of ultrasonic flowmeter, including pressure-bearing shell and multigroup transducer assemblies, pressure-bearing shell to be connected with fluid line, and pressure-bearing shell can bear 42MPa high pressure；Multigroup transducer assemblies are circumferentially distributed along pressure-bearing shell, form multichannel, and larger sound path can ensure the metering of precise and high efficiency；Two adjacent groups transducer assemblies axially offset distribution along pressure-bearing shell, and different sections can be formed in pressure-bearing shell, reduce influence of the fluidised form to measuring accuracy in pressure-bearing shell, improve overall measuring accuracy；Every group of transducer assemblies include two ultrasonic transducers that angle is in 50~120 degree, ensure that the signal that a ultrasonic transducer is sent can be received by another ultrasonic transducer, two ultrasonic transducers are alternately as transmitting terminal and receiving terminal.
Description
Technical field
It the utility model is related 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, in measurement process, because the fluidised form of fluid constantly changes,
Therefore larger flowed fluctuation is produced, causes the measuring accuracy of flowmeter relatively low.It is particularly high to high pressure Medium Measurement at present
The measurement of pressed gas medium is weaker, and existing ultrasonic flow rate is counted as being mostly to measure under low-pressure, so needs to height
Pressure medium is depressurized step by step, could be measured afterwards, is measured complex process, is wasted time and energy, labor intensity is big, and measurement efficiency is low.
Utility model content
The purpose of this utility model 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, technical scheme is used by the utility model：
A kind of ultrasonic flowmeter, including：
Pressure-bearing shell, it is connected with fluid line；
Multigroup transducer assemblies, it is circumferentially distributed along the pressure-bearing shell, and transducer assemblies described in two adjacent groups are described in
Pressure-bearing shell axially offsets distribution, and transducer assemblies described in every group include two ultrasonic transducers that angle is in 50~120 degree.
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 ultrasonic transducer includes transducer base and transducer probe, one end of the transducer probe with
The transducer base connection, the other end are inserted in the pressure-bearing shell by the mounting hole on the pressure-bearing shell.
Wherein, the transducer base is threadedly coupled close to one end of the transducer probe with the pressure-bearing shell, institute
State transducer base and be internally provided with shielded cable, metallic gasket, sealing ring and outlet joint are arranged with the shielded cable.
Wherein, the transducer probe includes probe containment vessel made of metal, one end of the probe containment vessel and institute
Transducer base connection is stated, the other end is provided with metal matching layer, piezoelectric element and damping in the probe containment vessel
Pad is connected with the shielded cable, and the metal matching layer is located at the one end of the piezoelectric element away from the damping mat.
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, the pressure-bearing shell energy
Enough bear 42MPa pressure.
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.
The beneficial effects of the utility model：
The utility model proposes ultrasonic flowmeter, pressure-bearing shell is connected with fluid line, and pressure-bearing shell can be born
42MPa high pressure；By the way that multigroup transducer assemblies are circumferentially distributed along pressure-bearing shell, formation multichannel, larger sound path can be protected
Demonstrate,prove the metering of precise and high efficiency；Two adjacent groups transducer assemblies axially offset distribution along pressure-bearing shell, can in pressure-bearing shell shape
Into different sections, influence of the fluidised form to measuring accuracy in pressure-bearing shell is reduced, improves overall measuring accuracy；The ultrasonic flow rate
Meter can be measured directly to high-pressure medium, particularly gas medium, simplify measurement technique.
Brief description of the drawings
Fig. 1 is the structural representation one of ultrasonic flowmeter provided by the utility model；
Fig. 2 is the structural representation two of ultrasonic flowmeter provided by the utility model；
Fig. 3 is the front view of ultrasonic flowmeter provided by the utility model；
Fig. 4 is the side view of ultrasonic flowmeter provided by the utility model；
Fig. 5 is the partial sectional view of ultrasonic flowmeter provided by the utility model；
Fig. 6 is the sectional view of the transducer probe of ultrasonic flowmeter provided by the utility model.
In figure：
1st, pressure-bearing shell；2nd, W.N flange；3rd, ultrasonic transducer；4th, ultrasonic tr-ansducer；5th, pressure sensor；6th, temperature passes
Sensor；
31st, transducer base；32nd, transducer probe；33rd, shielded cable；34th, metallic gasket；35th, sealing ring；36th, outlet
Joint；
321st, probe containment vessel；322nd, metal matching layer；323rd, piezoelectric element；324th, damping mat.
Embodiment
Below in conjunction with the accompanying drawings the technical solution of the utility model is further illustrated with embodiment.It is understood that this
The specific embodiment of place description is used only for explaining the utility model, rather than to restriction of the present utility model.Further need exist for
Illustrate, for the ease of description, illustrate only the part related to the utility model in accompanying drawing and not all.
Referring to Fig. 1 to Fig. 6, the utility model embodiment 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 1 and multigroup transducer assemblies.
Pressure-bearing shell 1 is connected with fluid line, and pressure-bearing shell 1 is connected by W.N flange 2 with fluid line, two butt welding
Flange 2 is located at the entrance point and the port of export of pressure-bearing shell 1 respectively.
Multigroup transducer assemblies are circumferentially distributed along pressure-bearing shell 1, 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 1, can be formed in pressure-bearing shell 1 different
Section, influence of the fluidised form to measuring accuracy in pressure-bearing shell 1 is reduced, improves overall measuring accuracy, and take full advantage of pressure-bearing
The space of housing 1, avoid producing interference, avoid causing local decrease.
Every group of transducer assemblies include two ultrasonic transducers 3 that angle is in 50~120 degree, ensure a ultrasonic transducer
3 signals sent can be received by another ultrasonic transducer 3, and two ultrasonic transducers 3 are alternately as transmitting terminal and receiving terminal.
According to being actually needed, the pressure-bearing shell 1 of different-diameter, correspondingly the quantity of transducer assemblies is different.In the present embodiment
In, transducer assemblies have two groups, and the angle between mounting plane where two groups of transducer assemblies is 90 degree.Every group of transducer group
The angle between two ultrasonic transducers 3 in part is 90 degree, is easy to produce and process, install and measure.
Pressure sensor 5 and/or temperature sensor 6, the pressure of measurable fluid are provided between two ultrasonic transducers 3
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 3 between pressure sensor 5 is set, between two ultrasonic transducers 3 in another group of transducer assemblies
Temperature sensor 6 is set.Pressure sensor 5 and temperature sensor 6 are threadedly coupled with pressure-bearing shell 1, and reach is all higher than 10
Button, ensure load performance.Pressure sensor 5 is provided with pressure core close to one end of measured fluid, and pressure sensor 5 is remote
One end of measured fluid is provided with outlet crossover sub.
Also include ultrasonic tr-ansducer 4, its be connected on pressure-bearing shell 1 and with transducer assemblies, pressure sensor 5 and temperature
Sensor 6 is electrically connected, and display screen is provided with ultrasonic tr-ansducer 4, can show instantaneous delivery, integrated flow, pressure, temperature, stream
The parameter informations such as rate of flow of fluid.Ultrasonic tr-ansducer 4 uses arm processor, can carry out self diagnosis, and the signal of ultrasonic transducer 3 has AGC
Function, being capable of the parameter such as output pulse signal, electric current.
Ultrasonic transducer 3 includes transducer base 31 and transducer probe 32, transducer base 31 and transducer probe 32
First screw thread is standby tight, then is welded and fixed, and ensures machining accuracy, each parts filling of transducer base 31 and the inside of transducer probe 32
Closely, and at pigtail connection compress, internal overall structure is carried certain pretightning force, be effective against external pressure,
Normal receiving and transmitting signal can be carried out under 42MPa pressure.
Transducer base 31 is threadedly coupled close to one end of transducer probe 32 with pressure-bearing shell 1, in transducer base 31
Portion is provided with shielded cable 33, is arranged with metallic gasket 34, sealing ring 35 and outlet joint 36 in shielded cable 33, each part it
Between closely connect, ensure that sealing and contact are good, outlet joint 36 electrically connects with ultrasonic tr-ansducer 4.Transducer base 3 is with holding
Pressure shell body 1 is fixed using four screws, and thread locking adhesive is smeared at screw thread.
One end of transducer probe 32 is connected with transducer base 31, and the other end is inserted by the mounting hole on pressure-bearing shell 1
Enter in pressure-bearing shell 1.Transducer probe 32 includes probe containment vessel 321 made of metal, and the one end for containment vessel 321 of popping one's head in is with changing
Energy device base 31 connects, and the other end sets metal matching layer 322, piezoelectric element 323 and damping in probe containment vessel 321
Pad 324 is connected with shielded cable 33, and piezoelectric element 323 sets leaded, metal matching layer 322 close to one end of damping mat 324
Positioned at the one end of piezoelectric element 323 away from damping mat 324.Probe containment vessel 321 is made up of 316L stainless steels or titanium, metal matching
Welded in the insertion probe containment vessel 321 of layer 322 and with probe containment vessel 321, a face of metal matching layer 322 connects with fluid
Touch.Piezoelectric element 323 and damping mat 324 are respectively positioned in probe containment vessel 321, are closely connected between each part, ensure sealing
It is good with contact.
The setting of metal matching layer 322 adds the bearing capacity of probe, and then improves the pressure-bearing property of ultrasonic flowmeter
Can, the decompression technique of complexity is avoided, saves cost.In the present embodiment, the measurable up to 42MPa high-pressure spray of flowmeter
Body, measuring accuracy can reach 0.5% grade, and 0.1% grade of repeatability, range ratio is at least up to 1:30, rate of flow of fluid is in 1~30m/s
Between, temperature use range is between -40~120 DEG C.
In the present embodiment, to ensure load performance, pressure-bearing shell 1 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 1 can be 42MPa's
Normal work under pressure, the wall thickness of pressure-bearing shell 1 are not less than 10mm, and the screw thread of each several part threaded connection place of pressure-bearing shell 1 is deep
Degree is all higher than 1.5 times of pitch or more than 10 button screw thread, screw thread is met high pressure requirement.
Pressure-bearing shell 1 is welded with W.N flange 2, 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 simply elaborates general principle and characteristic of the present utility model, and the utility model is not by above-mentioned reality
The mode of applying limits, and on the premise of the spirit and scope of the utility model is not departed from, the utility model also has various change and change,
These changes and modifications are both fallen within claimed the scope of the utility model.The utility model requires protection scope is by appended
Claims and its equivalent thereof.
Claims (10)
- A kind of 1. ultrasonic flowmeter, it is characterised in that including：Pressure-bearing shell, it is connected with fluid line；Multigroup transducer assemblies, it is circumferentially distributed along the pressure-bearing shell, and transducer assemblies described in two adjacent groups are along the pressure-bearing Housing axially offsets distribution, and transducer assemblies described in every group include two ultrasonic transducers that angle is in 50~120 degree.
- 2. ultrasonic flowmeter according to claim 1, 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.
- 3. ultrasonic flowmeter according to claim 2, it is characterised in that described in two in transducer assemblies described in every group Angle between ultrasonic transducer is 90 degree.
- 4. ultrasonic flowmeter according to claim 3, it is characterised in that be provided with pressure between two ultrasonic transducers Force snesor and/or temperature sensor.
- 5. according to the ultrasonic flowmeter described in claim any one of 1-4, it is characterised in that the ultrasonic transducer includes transducing Device base and transducer probe, one end of the transducer probe are connected with the transducer base, and the other end is held by described Mounting hole on pressure shell body is inserted in the pressure-bearing shell.
- 6. ultrasonic flowmeter according to claim 5, it is characterised in that the transducer base is visited close to the transducer One end of head is threadedly coupled with the pressure-bearing shell, and the transducer base is internally provided with shielded cable, the shielded cable On be arranged with metallic gasket, sealing ring and outlet joint.
- 7. ultrasonic flowmeter according to claim 6, it is characterised in that the transducer probe includes visiting made of metal Head protection shell, one end of the probe containment vessel are connected with the transducer base, and the other end is provided with metal matching layer, is located at Piezoelectric element and damping mat in the probe containment vessel are connected with the shielded cable, and the metal matching layer is located at the pressure The one end of electric device away from the damping mat.
- 8. according to the ultrasonic flowmeter described in claim any one of 1-4, 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 1-4, 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 |
|---|---|---|---|
| CN201721140729.4U CN207215203U (en) | 2017-09-07 | 2017-09-07 | A kind of ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721140729.4U CN207215203U (en) | 2017-09-07 | 2017-09-07 | A kind of ultrasonic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207215203U true CN207215203U (en) | 2018-04-10 |
Family
ID=61823489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721140729.4U Active CN207215203U (en) | 2017-09-07 | 2017-09-07 | A kind of ultrasonic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207215203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356299A (en) * | 2017-09-07 | 2017-11-17 | 上海诺仪表有限公司 | A kind of ultrasonic flowmeter |
-
2017
- 2017-09-07 CN CN201721140729.4U patent/CN207215203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356299A (en) * | 2017-09-07 | 2017-11-17 | 上海诺仪表有限公司 | A kind of ultrasonic flowmeter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201707077U (en) | Balance flow meter | |
| CN106595785A (en) | Opposite type small-bore ultrasonic flowmeter | |
| CN206440317U (en) | A kind of correlation ultrasonic flow meter with small aperture | |
| CN107356299A (en) | A kind of ultrasonic flowmeter | |
| CN207215203U (en) | A kind of ultrasonic flowmeter | |
| CN107356300A (en) | A kind of ultrasonic flowmeter | |
| CN207215206U (en) | A kind of ultrasonic flowmeter | |
| CN110763294B (en) | Double-capacitance two-phase flow parameter measuring instrument and measuring method | |
| CN101349581B (en) | Insert type flow measuring device based on MEMS sensor | |
| CN209727178U (en) | A kind of undergauge type electromagnetism water meter | |
| CN100582498C (en) | Hydraulic system power measuring device based on MEMS insert type flow sensor | |
| CN111255701B (en) | Low-pressure leakage flow measuring device and method for shaft seal pump for nuclear power plant | |
| CN210089772U (en) | Ultrasonic flowmeter | |
| CN201262559Y (en) | Plug-in flow measuring device based on MEMS sensor | |
| CN104596601A (en) | Ultrasonic flow meter sensor with eight sound channels | |
| DE102018132311A1 (en) | Measuring system for measuring a flow parameter of a fluid flowing in a pipeline | |
| CN107290274A (en) | A kind of high voltage induction probe for measuring rate of metal corrosion and its compensation method | |
| CN102023037B (en) | Non-full pipe electromagnetic flowmeter | |
| CN104236642A (en) | Novel flowmeter with middle-through-hole movable throttling element | |
| CN116929504A (en) | High-temperature high-pressure flow test system | |
| CN113514664A (en) | Built-in temperature and pressure detection ultrasonic flow velocity sensor and mounting method | |
| CN102384760A (en) | Novel calibrating device | |
| CN102478496A (en) | Method for accurate measurement of polarization resistance of corrosion system and special tester | |
| RU127905U1 (en) | FLUID METER FLOW METER | |
| CN212179974U (en) | Turbine flowmeter capable of reducing vibration influence |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |