CN207036192U - Gas liquid two purpose ultrasonic flowmeter - Google Patents
Gas liquid two purpose ultrasonic flowmeter Download PDFInfo
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- CN207036192U CN207036192U CN201720605732.2U CN201720605732U CN207036192U CN 207036192 U CN207036192 U CN 207036192U CN 201720605732 U CN201720605732 U CN 201720605732U CN 207036192 U CN207036192 U CN 207036192U
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- measurement pipe
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Abstract
The utility model discloses a kind of gas liquid two purpose ultrasonic flowmeter, including：Measurement pipe；At least two gas transducers, are installed on the tube wall of measurement pipe, for launching and receiving ultrasonic wave, to measure the gas flow inside the measurement pipe；At least two liquid transducers, are installed on the tube wall of measurement pipe, for launching and receiving ultrasonic wave, to measure the fluid flow inside the measurement pipe；Controller, the ultrasonic signal detected for receiving gas transducer and liquid transducer respectively, and signal transacting is carried out, so that it is determined that gas flow and fluid flow.Gas liquid two purpose ultrasonic flowmeter provided by the utility model solves limitation sex chromosome mosaicism of the existing ultrasonic flowmeter to metered media classification, with realizing facilitation while detects tolerance and liquid measure.
Description
Technical field
It the utility model is related to a kind of metering device structure technology, more particularly to a kind of gas liquid two purpose ultrasonic flowmeter.
Background technology
With the increasingly raising of energy extraction amount, accurately metering oil field, the yield in gas field are more and more important.At present, generally
Oil field, the oil production in gas field, gas production are measured using ultrasonic flowmeter.
According to the difference of metered media, ultrasonic flowmeter can be divided into gas ultrasonic flowmeter and liquid ultrasonic flowmeter.
Its principle is that flowmeter launches a branch of ultrasonic wave by first transducer, and ultrasonic wave is propagated in pipeline, through reflexing to up to second
Transducer, second transducer reception signal, this is a single sound path；Second transducer retransmits one immediately after receiving signal
Beam ultrasonic wave, is received by first transducer；The propagation of ultrasonic wave, when media flow, is propagated twice using medium in pipe as carrier
Process can with the flowing of medium and generation time is poor, the time difference after mathematical modeling calculates, draws the flow of medium.At present
Most of ultrasonic flowmeters can only measure Single Medium.
However, during energy extraction, it has been found that the phenomenon of gas-liquid mixed usually occurs.In the case, must
Gas-liquid separation must be carried out by increasing separator, the gas after separation is measured using gas ultrasonic flowmeter, and liquid makes
Measured with liquid ultrasonic flowmeter, finally import in a pipeline and conveyed again, substantially increase production cost.
Utility model content
The utility model provides a kind of gas liquid two purpose ultrasonic flowmeter, with realizing facilitation while to detect tolerance and liquid
Amount.
The utility model embodiment provides a kind of gas liquid two purpose ultrasonic flowmeter, including：
Measurement pipe；
At least two gas transducers, are installed on the tube wall of measurement pipe, for launching and receiving ultrasonic wave, to measure
State the gas flow inside measurement pipe；
At least two liquid transducers, are installed on the tube wall of measurement pipe, for launching and receiving ultrasonic wave, to measure
State the fluid flow inside measurement pipe；
Controller, the ultrasonic signal detected for receiving gas transducer and liquid transducer respectively, and carry out letter
Number processing, so that it is determined that gas flow and fluid flow.
Above-mentioned gas liquid two purpose ultrasonic flowmeter, further：The gas transducer and the liquid transducer are pacified with V-type
On the tube wall of measurement pipe, i.e., at least two described transducers are arranged on the same side of tube wall.
Above-mentioned gas liquid two purpose ultrasonic flowmeter, further：The gas transducer and the liquid transducer are with incidence
Angle θ is arranged on the tube wall of measurement pipe.
Above-mentioned gas liquid two purpose ultrasonic flowmeter, further：The gas transducer and the liquid transducer are invaded with non-
Enter mode on the tube wall of measurement pipe.
Above-mentioned gas liquid two purpose ultrasonic flowmeter, further：The ultrasonic reflections plane of the gas transducer, it is and described
The ultrasonic reflections plane of liquid transducer is mutually perpendicular to.
Above-mentioned gas liquid two purpose ultrasonic flowmeter, further：The ultrasonic wave centre frequency of the gas transducer and described
The ultrasonic wave centre frequency of liquid transducer is different.
Above-mentioned gas liquid two purpose ultrasonic flowmeter, further：The controller comprises at least：
Arm processor, for receiving the parameter from key-press input, in the propagation time of timing ultrasonic wave, control whole circuit；
Amplifier, the ultrasonic signal received for fixed gain amplification or automatic gain amplification ultrasonic transducer, makes
The amplitude of signal after must amplifying is maintained at the same order of magnitude；
Wave filter, for reducing the interference signal in ultrasonic signal；
A/D converter, for the ultrasonic signal sampled to be converted into data signal, realize between arm processor
Carry out data transmission；
Pulse ends, for exporting the pulse signal of instantaneous delivery, temperature, pressure, the velocity of sound etc., for users to use；
Current terminal, for exporting 4~20mA current signals of instantaneous delivery, temperature, pressure, the velocity of sound etc., for users to use；
Display, gone forward side by side for receiving the information such as flowmeter various parameters, flow velocity, flow, working condition from arm processor
Row display；
RS485, for being communicated with host computer；
Button, for receiving the information of input, realize human-computer dialogue；
Power supply, for providing power supply for controller；
Temperature sensor, for gathering working temperature；
Pressure sensor, for gathering working condition pressure.
Gas liquid two purpose ultrasonic flowmeter provided by the utility model, solves existing ultrasonic flowmeter to metered media classification
Limitation sex chromosome mosaicism, with realizing facilitation while detect tolerance and liquid measure.
Brief description of the drawings
Fig. 1 is the structural representation for the gas liquid two purpose ultrasonic flowmeter that the utility model embodiment one provides.
Fig. 2 is transducer installation profile in the gas liquid two purpose ultrasonic flowmeter that the utility model embodiment two provides.
Fig. 3 is controller hardware structure figure in the gas liquid two purpose ultrasonic flowmeter that the utility model embodiment three provides.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than to restriction of the present utility model.Further need exist for
It is bright, for the ease of description, the part related to the utility model rather than entire infrastructure are illustrate only in accompanying drawing.
Embodiment one
Fig. 1 show the structural representation of the gas liquid two purpose ultrasonic flowmeter of the offer of the utility model embodiment one.The gas
The concrete structure of liquid dual-purpose ultrasonic flowmeter is as follows：
Gas liquid two purpose ultrasonic flowmeter includes measurement pipe 100, at least two gas transducers 101,102, at least two liquid
Body transducer 103,104 and controller 105.
Wherein, at least two gas transducer 101,102, is installed on the tube wall of measurement pipe 100, for launching and receiving
Ultrasonic wave, to measure the gas flow inside the measurement pipe 100；
At least two liquid transducers 103,104, are installed on the tube wall of measurement pipe 100, for launching and receiving ultrasound
Ripple, to measure the fluid flow inside the measurement pipe 100；
Controller 105, for receiving gas transducer 101,102 respectively and that liquid transducer 103,104 detects is super
Acoustic signals, and signal transacting is carried out, so that it is determined that gas flow and fluid flow.
The operation principle of the gas liquid two purpose ultrasonic flowmeter is：
Gas transducer 101 launches a branch of ultrasonic wave, and ultrasonic wave is propagated in pipeline, reaches gas transducer through reflexing to
102, rear gas transducer 102 retransmits a branch of ultrasonic wave immediately, is received by gas transducer 101.Gas transducer 101,102
It is electric signal by the Ultrasonic transformation received, is sent to controller 105, controller 105 receives the ultrasonic wave of gas transducer
Signal, and carry out signal transacting.The propagation of ultrasonic wave is using medium in pipe as carrier, when media flow, communication process meeting twice
With the flowing of medium, generation time is poor, and the time difference after the resolving of controller 105, draws gas flow.
After gas flow is calculated, liquid transducer 103 launches a branch of ultrasonic wave, and ultrasonic wave is propagated in pipeline, warp
Reflex to and reach liquid transducer 104, rear liquid transducer 104 retransmits a branch of ultrasonic wave, connect by liquid transducer 103 immediately
Receive.The Ultrasonic transformation received is electric signal by liquid transducer 103,104, is sent to controller 105, and controller 105 connects
The ultrasonic signal of liquid transducer 103,104 is received, and carries out signal transacting.Time difference after the resolving of controller 105, draws
Fluid flow.
The technical scheme of the present embodiment, by gas liquid two purpose ultrasonic flowmeter, solves existing ultrasonic flowmeter to metering
The restricted problem of medium classification, with realizing facilitation while detect tolerance and liquid measure.
On the basis of above-mentioned technical proposal, the ultrasonic wave centre frequency of the gas transducer 101,102 and the liquid
The ultrasonic wave centre frequency of body transducer 103,104 is different.
The frequency of ultrasonic wave largely affects the propagation of ultrasonic wave, and the frequency of ultrasonic wave is higher, acoustic beam diffusion
Angle is smaller, and energy is more concentrated, and directionality is better.But too high frequency can strengthen the decay of ultrasonic wave.Meanwhile ultrasonic wave exists
Spread speed in gas is less than spread speed in a liquid, so the ultrasonic wave centre frequency of gas transducer is generally less than
The ultrasonic wave centre frequency of liquid transducer.The ultrasonic wave centre frequency of gas transducer is generally 100KHz~200KHz, liquid
The ultrasonic wave centre frequency of body transducer is generally 0.5MHz~2MHz.
In the present embodiment, the ultrasonic wave centre frequency of gas transducer is preferably 200KHz, the ultrasound of liquid transducer
Ripple centre frequency is preferably 1MHz.So setting is advantageous in that and ensure that ultrasonic wave has preferable directionality, higher energy
Amount, and it is applied to medium carrier.
Embodiment two
Fig. 2 show transducer installation section in the gas liquid two purpose ultrasonic flowmeter of the offer of the utility model embodiment two
Figure.The present embodiment is on the basis of the various embodiments described above, the gas transducer 101,102 and the liquid transducer 103,
104 are preferably arranged on the tube wall of measurement pipe 100 with V-type, i.e., at least two described transducers are arranged on the same of tube wall
Side.So setting is advantageous in that the direction of propagation that not only ensure that ripple but also can expand sound path, improves the resolution ratio of system, together
When, reduce flow velocity Latitudinal section it is uneven caused by error, and ultrasonic wave in sound channel caused by multiple reflections to measurement
Interference.
On the basis of the various embodiments described above, the gas transducer 101,102 and the liquid transducer 103,104 is excellent
Selection of land is arranged on incidence angle θ on the tube wall of measurement pipe 100.It can all be sent out at tube wall and fluid boundary during due to ultrasonic wave incidence
Raw refraction, can be converted into two beam compressional waves and propagate in a fluid, and to improve the selectivity of transducer reception signal, general incidence angle is big
It is less than second critical angle in first critical angle.General incidence angle chooses 28.7 °~60 °.In the present embodiment, incidence angle θ is excellent
Elect 45 ° as, so setting is advantageous in that the only a branch of ultrasonic wave of guarantee is received by transducer.
On the basis of the various embodiments described above, the gas transducer 101,102 and the liquid transducer 103,104 is excellent
Selection of land is arranged on non-intruding mode on the tube wall of measurement pipe 100, i.e. transducer probe front end is not stretched into measurement pipe.So
Setting, which is advantageous in that, prevents transducer by liquid, soil erosion, extends the service life of transducer.
On the basis of the various embodiments described above, it is preferable that the ultrasonic reflections plane of the gas transducer 101,102,
It is mutually perpendicular to the ultrasonic reflections plane of the liquid transducer 103,104.So setting is advantageous in that and makes ultrasonic flow rate
Meter is overall more attractive in appearance.
Embodiment three
Fig. 3 show controller hardware structure in the gas liquid two purpose ultrasonic flowmeter of the offer of the utility model embodiment three
Figure.The concrete structure of the controller is as follows：
Controller includes arm processor 300, amplifier 301, wave filter 302, A/D converter 303, pulse ends 304, electricity
Flow end 305, display 306, RS485307, button 308, power supply 309, temperature sensor 310 and pressure sensor 311.
Wherein, arm processor 300, for receiving the parameter inputted from button 308, the propagation time of timing ultrasonic wave, control
Make whole circuit；
Amplifier 301, the ultrasonic signal received for fixed gain amplification or automatic gain amplification ultrasonic transducer,
So that the amplitude of the signal after amplification is maintained at the same order of magnitude；
Wave filter 302, for reducing the interference signal in ultrasonic signal；
A/D converter 303, for the ultrasonic signal sampled to be converted into data signal, realization and arm processor
Carry out data transmission between 300；
Pulse ends 304, for exporting the pulse signal of instantaneous delivery, temperature, pressure, the velocity of sound etc., for users to use；
Current terminal 305, for exporting 4~20mA current signals of instantaneous delivery, temperature, pressure, the velocity of sound etc., make for user
With；
Display 306, for receiving the letter such as flowmeter various parameters, flow velocity, flow, working condition from arm processor 300
Cease and shown；
RS485307, for being communicated with host computer；
Button 308, for receiving the information of input, realize human-computer dialogue；
Power supply 309, for providing power supply for controller；
Temperature sensor 310, for gathering working temperature；
Pressure sensor 311, for gathering working condition pressure.
The operation principle of the controller is：
After arm processor carries out parameter configuration and Initialize installation, timer is zeroed out, and it is mono- synchronously to send 200V
The pumping signal triggering transducer 101 of sine wave launches ultrasonic pulse, while timer is started timing.In transducer 102
After receiving pulse signal, timer is set to stop timing.When this process can obtain downstream propagation of the ultrasonic wave in gas
Between, it can obtain adverse current propagation time of the ultrasonic wave in gas, and concurrent-countercurrent propagation in a liquid with same method
Time.The propagation time of concurrent-countercurrent, arm processor calculated according to actual conditions after digital filtering timing is filtered processing
Corresponding flow velocity and flow, are sent on liquid crystal display and show, the communication with host computer is realized by RS485 interfaces.Wink
The information such as Shi Liuliang, temperature, pressure, the velocity of sound can be exported by pulse output end and current output terminal, for users to use.
Controller is acquired by temperature sensor and pressure sensor to working temperature and pressure, according to the pressure of setting
The contracting factor, the gas flow under bid condition can be calculated, realize temperature and pressure compensation function.
Controller judges whether ultrasonic transducer is in normal condition according to ultrasonic signal strength and echo time,
Realize self-diagnostic function.
The technical scheme of the present embodiment, ultrasonic signal is controlled and handled by controller, solves resolving gas
The problem of body flow and fluid flow, realize the output of rate-of flow.
It above are only preferred embodiment of the present utility model and institute's application technology principle.It will be appreciated by those skilled in the art that
The utility model is not limited to specific embodiment described here, can carry out various obvious changes for a person skilled in the art
Change, readjust and substitute without departing from the scope of protection of the utility model.Therefore, although by above example to this reality
It is described in further detail with new, but the utility model is not limited only to above example, is not departing from this practicality
In the case of new design, other more equivalent embodiments can also be included, and the scope of the utility model is by appended right
Claimed range determines.
Claims (7)
- A kind of 1. gas liquid two purpose ultrasonic flowmeter, it is characterised in that including：Measurement pipe；At least two gas transducers, are installed on the tube wall of measurement pipe, for launching and receiving ultrasonic wave, to measure the survey Gas flow inside buret；At least two liquid transducers, are installed on the tube wall of measurement pipe, for launching and receiving ultrasonic wave, to measure the survey Fluid flow inside buret；Controller, the ultrasonic signal detected for receiving gas transducer and liquid transducer respectively, and carry out at signal Reason, so that it is determined that gas flow and fluid flow.
- 2. gas liquid two purpose ultrasonic flowmeter according to claim 1, it is characterised in that：The gas transducer and the liquid transducer are arranged on V-type on the tube wall of measurement pipe, i.e., and described at least two Transducer is arranged on the same side of tube wall.
- 3. gas liquid two purpose ultrasonic flowmeter according to claim 1, it is characterised in that：The gas transducer and the liquid transducer are arranged on incidence angle θ on the tube wall of measurement pipe.
- 4. gas liquid two purpose ultrasonic flowmeter according to claim 1, it is characterised in that：The gas transducer and the liquid transducer are arranged on non-intruding mode on the tube wall of measurement pipe.
- 5. gas liquid two purpose ultrasonic flowmeter according to claim 1, it is characterised in that：The ultrasonic reflections plane of the gas transducer, it is mutually perpendicular to the ultrasonic reflections plane of the liquid transducer.
- 6. gas liquid two purpose ultrasonic flowmeter according to claim 1, it is characterised in that：The ultrasonic wave centre frequency of the gas transducer is different with the ultrasonic wave centre frequency of the liquid transducer.
- 7. gas liquid two purpose ultrasonic flowmeter according to claim 1, it is characterised in that the controller comprises at least：Arm processor, for receiving the parameter from key-press input, in the propagation time of timing ultrasonic wave, control whole circuit；Amplifier, the ultrasonic signal received for fixed gain amplification or automatic gain amplification ultrasonic transducer so that put The amplitude of signal after big is maintained at the same order of magnitude；Wave filter, for reducing the interference signal in ultrasonic signal；A/D converter, for the ultrasonic signal sampled to be converted into data signal, realize and carried out between arm processor Data transfer；Pulse ends, for export instantaneous delivery, temperature, pressure, the velocity of sound pulse signal, for users to use；Current terminal, for export instantaneous delivery, temperature, pressure, the velocity of sound 4~20mA current signals, for users to use；Display, for receiving flowmeter various parameters, flow velocity, flow, work state information from arm processor and being shown Show；RS485, for being communicated with host computer；Button, for receiving the information of input, realize human-computer dialogue；Power supply, for providing power supply for controller；Temperature sensor, for gathering working temperature；Pressure sensor, for gathering working condition pressure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720605732.2U CN207036192U (en) | 2017-05-27 | 2017-05-27 | Gas liquid two purpose ultrasonic flowmeter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720605732.2U CN207036192U (en) | 2017-05-27 | 2017-05-27 | Gas liquid two purpose ultrasonic flowmeter |
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| CN207036192U true CN207036192U (en) | 2018-02-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459103A (en) * | 2018-12-25 | 2019-03-12 | 上海诺自动化工程有限公司 | A kind of ultrasonic type gas-liquid two-phase measuring device |
| CN109682432A (en) * | 2019-01-29 | 2019-04-26 | 安徽天康(集团)股份有限公司 | A kind of ultrasonic measurement steam-flow meter |
| CN116124234A (en) * | 2023-02-24 | 2023-05-16 | 宁波力擎超声科技有限公司 | Ultrasonic flowmeter for gas |
-
2017
- 2017-05-27 CN CN201720605732.2U patent/CN207036192U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459103A (en) * | 2018-12-25 | 2019-03-12 | 上海诺自动化工程有限公司 | A kind of ultrasonic type gas-liquid two-phase measuring device |
| CN109682432A (en) * | 2019-01-29 | 2019-04-26 | 安徽天康(集团)股份有限公司 | A kind of ultrasonic measurement steam-flow meter |
| CN116124234A (en) * | 2023-02-24 | 2023-05-16 | 宁波力擎超声科技有限公司 | Ultrasonic flowmeter for gas |
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