CN208968601U - Multichannel ultrasonoscope measuring device - Google Patents
Multichannel ultrasonoscope measuring device Download PDFInfo
- Publication number
- CN208968601U CN208968601U CN201822096128.9U CN201822096128U CN208968601U CN 208968601 U CN208968601 U CN 208968601U CN 201822096128 U CN201822096128 U CN 201822096128U CN 208968601 U CN208968601 U CN 208968601U
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- signal
- receiver
- switching
- sound channel
- 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
Abstract
The utility model discloses a kind of multichannel ultrasonoscope measuring devices, for measuring the flow velocity or flow of fluid in pipeline section, including ultrasonic transducer, microprocessor, switching switch and ultrasonic transmitter-receiver；Multiple sound channels are equipped in pipeline section；Corresponding each sound channel is all provided with that there are two ultrasonic transducers；Switching switch is connect with microprocessor and ultrasonic transmitter-receiver, is used to receive the sound channel switching signal of microprocessor transmission, and is switched ultrasonic transmitter-receiver according to sound channel switching signal and connected from the ultrasonic transducer of different sound channels；The time interval for sending ultrasonic signal and received ultrasonic signal is sent to microprocessor by ultrasonic transmitter-receiver；Microprocessor is according to the flow velocity or flow of fluid in time interval run of designing.The multichannel ultrasonoscope measuring device of the utility model reduces measurement error, improves measuring accuracy, it is ensured that meter being capable of continuous for a long time, stable operation.
Description
Technical field
The utility model relates to fluid metering technical fields, and in particular to a kind of multichannel ultrasonoscope measuring device.
Background technique
Ultrasonic flowmeter is a kind of contactless flow gauge, is had no effect in measurement process to fluid state,
With the characteristics of small in size, range ratio be big and high stability.In the prior art, most ultrasonic flowmeters can only
Realize the tachometric survey of monophonic, it is not entire that flow velocity measured by ultrasonic probe, which is the line mean flow rate of streamwise,
Mean flow rate in pipeline section cross section, heavy caliber table, measurement error is big in the wide diameter pipeline section in open channel, river；On the other hand, monophone
Road measurement cannot be measured in the case where ultrasonic probe breaks down, and influence the normal work of ultrasonoscope measuring device.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of multichannel ultrasonoscope measuring devices, reduce measurement error,
Improve measuring accuracy, it is ensured that meter being capable of continuous for a long time, stable operation.
In order to solve the above-mentioned technical problem, the utility model provides a kind of multichannel ultrasonoscope measuring device, for measuring
The flow velocity or flow of fluid in pipeline section, including ultrasonic transducer further include microprocessor, switching switch and ultrasonic wave hair
Send receiver；
Multiple sound channels are equipped in the pipeline section, multiple sound channels are set gradually in the cross-sectional direction of pipeline section；It is corresponding every
A sound channel is all provided with there are two the ultrasonic transducer, two ultrasonic transducers along the flow direction of fluid successively
Setting, respectively upstream ultrasonic wave transducer and downstream ultrasonic wave transducer；
The switching switch is connect with microprocessor and ultrasonic transmitter-receiver, is used to receive the microprocessor hair
The sound channel switching signal sent, and switch according to the sound channel switching signal ultrasound of ultrasonic transmitter-receiver from different sound channels
Wave transducer connection；
The ultrasonic transmitter-receiver is for generating and sending ultrasonic signal to ultrasonic transducer, reception ultrasonic wave
The ultrasonic signal that energy converter is sent, and the time interval for sending ultrasonic signal and received ultrasonic signal is sent to micro- place
Manage device；
The microprocessor is connect with switching switch and ultrasonic transmitter-receiver, for generating and sending sound channel switching letter
Number to switching switch；For generating and sending metering signal to the ultrasonic transmitter-receiver, the ultrasonic wave is transmitted and received
Device sends or receives ultrasonic signal according to metering signal；Between the time for being also used to receive the ultrasonic transmitter-receiver transmission
Every, and according to the flow velocity or flow of fluid in the time interval run of designing.
It further comprise that the ultrasonic transmitter-receiver has the first signal in one preferred embodiment of the utility model
End and second signal end, the ultrasonic transmitter-receiver is according to the metering signal in the first signal end and second signal end
Selection one is used as transmission ultrasonic signal end, another is used as received ultrasonic signal end.
It further comprise that switching switch has the first switching contact and the in one preferred embodiment of the utility model
One end of both two switching contacts, first switching contact and the second switching contact respectively with the first signal end and second signal
End connection；The switching switch controls the other end of the first switching contact and the second switching contact according to the sound channel switching signal
Respectively from different sound channels upstream ultrasonic wave transducer and downstream ultrasonic wave transducer connect.
It further comprise that the switching switchs as analog switch in one preferred embodiment of the utility model.
It further comprise that the microprocessor is also used to export chip selection signal in one preferred embodiment of the utility model,
The switching switch enters dormant state or working condition according to chip selection signal.
It further comprise two-by-two sound channel of the pipeline section close to its die position in one preferred embodiment of the utility model
Between spacing be less than close to its pipe wall position sound channel two-by-two between spacing.
The utility model has the beneficial effects that
The multichannel ultrasonoscope measuring device of one, the utility model, pipeline section is interior to have multiple sound channels, and corresponding each sound channel is equal
Two ultrasonic transducers are configured, for measuring the fluid flow rate on current channel, microprocessor is according to the stream in each sound channel
Body flow relocity calculation obtains the flow velocity of fluid in pipeline section, and measuring accuracy is high, error is small, while multichannel metering is compared to traditional list
Sound channel metering all will not influence the normal work of entire meter in inoperable situation there is ultrasonic transducer to break down
Make, ensures that meter being capable of continuous, stable operation for a long time with this.
Secondly, the multichannel ultrasonoscope measuring device of the utility model, emitted using a set of ultrasonic wave and received and processing circuit,
It is switched over using switching switch to detect the signal of multiple sound channels, is formed with the hardware that this simplifies meter, reduce meter
Cost, reduce the volume of meter, develop conducive to ultrasonoscope measuring device to smaller volume direction, make it possible to be suitable for more
In environment；On the other hand, only one sound channel of each duty cycle is detected and other sound channels are in high-impedance state, with
This, metering can greatly reduce the operand of microprocessor when obtaining fluid flow rate, conducive to the precision and timeliness for improving metering.
Detailed description of the invention
Fig. 1 is the pipeline section interface schematic diagram of the preferred embodiment in the utility model metering flow or flow velocity；
Fig. 2 is the structural block diagram of multichannel ultrasonoscope measuring device in the preferred embodiment in the utility model；
Fig. 3 is the internal structure block diagram of multichannel ultrasonoscope measuring device in the preferred embodiment in the utility model.
Wherein: 2- pipeline section, 4- sound channel.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Embodiment
As shown in Figure 1-3, present embodiment discloses a kind of multichannel ultrasonoscope measuring devices, for measuring fluid in pipeline section
Perhaps the fluid of flow herein can be liquid or gas to flow velocity.Above-mentioned ultrasonoscope measuring device includes ultrasonic transducer, micro-
Processor U2, switching switch U1 and ultrasonic transmitter-receiver U3；
As shown in Figure 1, be equipped with multiple sound channels 4 in above-mentioned pipeline section 2, sound channel 4 herein is sound wave transmission channels, in pipeline section 2
Fluid be Acoustic Wave Propagation medium.In the present embodiment technical solution, at least two sound channels 4 are equipped in above-mentioned pipeline section 2, for example, 2
A, 3,4 ... even more sound channels 4, do not limit the number of sound channel 4 herein.As shown in Figure 1, multiple above-mentioned
Sound channel 4 is set gradually in the cross-sectional direction of pipeline section 2；Corresponding each above-mentioned sound channel 4 is all provided with there are two above-mentioned ultrasonic transducer,
Two above-mentioned ultrasonic transducers are set gradually along the flow direction of fluid, respectively upstream ultrasonic wave transducer and downstream ultrasonic
Wave transducer.
Above-mentioned switching switch U1 is connect with microprocessor U2 and ultrasonic transmitter-receiver U3, is used to receive above-mentioned micro- place
Manage the sound channel switching signal that device U2 is sent, and switched according to above-mentioned sound channel switching signal ultrasonic transmitter-receiver U3 from it is different
The ultrasonic transducer of sound channel connects.
Above-mentioned ultrasonic transmitter-receiver U3 is for generating and sending ultrasonic signal to ultrasonic transducer, reception ultrasound
The ultrasonic signal that wave transducer is sent, and the time interval for sending ultrasonic signal and received ultrasonic signal is sent to micro-
Processor U2；
Above-mentioned microprocessor U2 is connect with switching switch U1 and ultrasonic transmitter-receiver U3, for generating and sending sound channel
Switching signal to switch switch；For generating and sending metering signal to above-mentioned ultrasonic transmitter-receiver U3, above-mentioned ultrasonic wave
Transmitter-receiver U3 sends or receives ultrasonic signal according to metering signal；It is also used to receive above-mentioned ultrasonic transmitter-receiver U3
The time interval of transmission, and according to the flow velocity or flow of fluid in above-mentioned time interval run of designing.
Specifically, as shown in figure 3, above-mentioned ultrasonic transmitter-receiver U3 has the first signal end D+ and second signal end
D-, above-mentioned ultrasonic transmitter-receiver U3 select one in the first signal end D+ and second signal end D- according to above-mentioned metering signal
A to be used as transmission ultrasonic signal end, another is used as received ultrasonic signal end.
Above-mentioned switching switch U1 have the first switching contact J1 and the second switching contact J2, above-mentioned first switching contact J1 and
One end of both second switching contact J2 is connect with the first signal end D+ and second signal end D- respectively；Above-mentioned switching switch U1 root
According to the other end of above-mentioned sound channel switching signal control the first switching contact J1 and the second switching contact J2 respectively and in different sound channels
Upstream ultrasonic wave transducer connected with downstream ultrasonic wave transducer.
For ease of description, the course of work of two sound channel meters is described below, the course of work are as follows:
Microprocessor U2 generates sound channel switching switch, switching switch selection ultrasonic transmitter-receiver U3 and first sound channel
Ultrasonic transducer connection, second sound channel be in high-impedance state.Specifically, the first signal of ultrasonic transmitter-receiver U3
End D+ and second signal end D- is connect with the first switching contact J1 and the second switching contact J2 respectively, the first switching contact J1 and the
The other end of two switching contact J2 respectively with the super refreshing wave transducer D1+ in upstream and downstream ultrasonic wave transducer in first sound channel
D1- connection；Microprocessor generates metering signal, so that the first signal end D+ sends ultrasonic pulse, second signal end D- is received
Ultrasonic signal, ultrasonic transmitter-receiver U3 metering ultrasonic signal are issued to the time interval for receiving ultrasonic signal
T11；Microprocessor generates metering signal, so that second signal end D- sends ultrasonic pulse, the first signal end D+ receives ultrasound
Wave signal, ultrasonic transmitter-receiver U3 metering ultrasonic signal are issued to the time interval T12 for receiving ultrasonic signal.It is super
Time interval T12 and time interval T11 are sent to microprocessor U2 by sound wave transmitter-receiver U3, and microprocessor U2 is according to the time
It is spaced the fluid flow rate that T12 and time interval T11 calculates first sound channel.
Microprocessor U2 generates sound channel switching switch, switching switch selection ultrasonic transmitter-receiver U3 and second sound channel
Ultrasonic transducer connection, first sound channel be in high-impedance state.Specifically, the first signal of ultrasonic transmitter-receiver U3
End D+ and second signal end D- is connect with the first switching contact J1 and the second switching contact J2 respectively, the first switching contact J1 and the
The other end of two switching contact J2 respectively with the super refreshing wave transducer D2+ in upstream and downstream ultrasonic wave transducer in second sound channel
D2- connection；Microprocessor generates metering signal, so that the first signal end D+ sends ultrasonic pulse, second signal end D- is received
Ultrasonic signal, ultrasonic transmitter-receiver U3 metering ultrasonic signal are issued to the time interval for receiving ultrasonic signal
T21；Microprocessor U2 generates metering signal, so that second signal end D- sends ultrasonic pulse, the first signal end D+ receives super
Acoustic signals, ultrasonic transmitter-receiver U3 metering ultrasonic signal are issued to the time interval T22 for receiving ultrasonic signal.
Time interval T22 and time interval T21 are sent to microprocessor U2 by ultrasonic transmitter-receiver U3, microprocessor U2 according to when
Between interval T22 and time interval T21 calculate second sound channel fluid flow rate.
Microprocessor U2 is according to the fluid flow rate of sound channel and second sound channel come the fluid flow rate in run of designing.
The case where corresponding to more than two sound channels, microprocessor U2 configure multiple pins and control for output channels switching signal
Switch the movement of switch U1, for example, 00 first sound channel of expression of microprocessor U2 output enters metering there are three when sound channel, the
Two sound channels and third sound channel are in high-impedance state；01 second sound channel of expression of microprocessor U2 output enters metering, and first
A sound channel and third sound channel are in high-impedance state；10 expression third sound channels of microprocessor U2 output enter metering, and first
Sound channel and second sound channel are in high-impedance state.When more corresponding sound channels and so on.
In another embodiment of the application, the case where correspondence more than two sound channels, it can also be multiple analog switches
In parallel to select an analog switch job by piece choosing, other analog switch work are in high-impedance state.
Specifically, above-mentioned switching switch is analog switch, above-mentioned analog switch can be relay, transistor, Yi Jiqi
He has the electric device of control terminal and multiple contacts.Analog switch have low in energy consumption, speed it is fast, without mechanical contact, small in size
With characteristic with long service life.
Further, above-mentioned microprocessor U2 is also used to export chip selection signal, above-mentioned switching switch according to chip selection signal into
Enter dormant state or working condition.Power consumption of the switching switch when not working can be reduced with this.
In view of fluid in pipeline section 2 close to the actual conditions that die position is different with the flow velocity at the pipe wall position,
Wherein, close to die position flow velocity it is big, close to pipe wall position flow velocity it is small, above-mentioned pipeline section 2 close to its die position two-by-two
Spacing between sound channel 4 is less than the spacing between the sound channel two-by-two 4 of its pipe wall position.It is, fluid flows fast area
More sound channels are arranged compared to slow region is flowed in domain, are conducive to the accuracy and accuracy that improve metering.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (6)
1. a kind of multichannel ultrasonoscope measuring device, for measuring the flow velocity or flow of fluid in pipeline section, including ultrasonic wave transducer
Device, it is characterised in that: it further includes microprocessor, switching switch and ultrasonic transmitter-receiver；
Multiple sound channels are equipped in the pipeline section, multiple sound channels are set gradually in the cross-sectional direction of pipeline section；Corresponding each institute
It states sound channel to be all provided with there are two the ultrasonic transducer, two ultrasonic transducers are successively set along the flow direction of fluid
It sets, respectively upstream ultrasonic wave transducer and downstream ultrasonic wave transducer；
The switching switch is connect with microprocessor and ultrasonic transmitter-receiver, is used to receive what the microprocessor was sent
Sound channel switching signal, and switch according to the sound channel switching signal ultrasonic waves of ultrasonic transmitter-receiver from different sound channels
It can device connection；
The ultrasonic transmitter-receiver is for generating and sending ultrasonic signal to ultrasonic transducer, reception ultrasonic wave transducer
The ultrasonic signal that device is sent, and the time interval for sending ultrasonic signal and received ultrasonic signal is sent to micro process
Device；
The microprocessor is connect with switching switch and ultrasonic transmitter-receiver, for generating and sending sound channel switching signal extremely
Switching switch；For generating and sending metering signal to the ultrasonic transmitter-receiver, the ultrasonic transmitter-receiver root
Ultrasonic signal is sent or received according to metering signal；It is also used to receive the time interval that the ultrasonic transmitter-receiver is sent,
And according to the flow velocity or flow of fluid in the time interval run of designing.
2. multichannel ultrasonoscope measuring device as described in claim 1, it is characterised in that: the ultrasonic transmitter-receiver has
First signal end and second signal end, the ultrasonic transmitter-receiver is according to the metering signal in the first signal end and second
It selects one to be used as in signal end and sends ultrasonic signal end, another is used as received ultrasonic signal end.
3. multichannel ultrasonoscope measuring device as claimed in claim 2, it is characterised in that: the switching switch has the first switching
One end of both contact and the second switching contact, first switching contact and the second switching contact respectively with the first signal end and
The connection of second signal end；The switching switch controls the first switching contact and the second switching contact according to the sound channel switching signal
The other end respectively from different sound channels upstream ultrasonic wave transducer and downstream ultrasonic wave transducer connect.
4. multichannel ultrasonoscope measuring device as described in claim 1, it is characterised in that: the switching switch is analog switch.
5. multichannel ultrasonoscope measuring device as described in claim 1, it is characterised in that: the microprocessor is also used to output chip
Signal is selected, the switching switch enters dormant state or working condition according to chip selection signal.
6. multichannel ultrasonoscope measuring device as described in claim 1, it is characterised in that: the pipeline section is close to its die position
The spacing between sound channel is less than the spacing between the sound channel two-by-two of its pipe wall position two-by-two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822096128.9U CN208968601U (en) | 2018-12-13 | 2018-12-13 | Multichannel ultrasonoscope measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822096128.9U CN208968601U (en) | 2018-12-13 | 2018-12-13 | Multichannel ultrasonoscope measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208968601U true CN208968601U (en) | 2019-06-11 |
Family
ID=66766494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822096128.9U Active CN208968601U (en) | 2018-12-13 | 2018-12-13 | Multichannel ultrasonoscope measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208968601U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405905A (en) * | 2018-12-13 | 2019-03-01 | 苏州东剑智能科技有限公司 | Multichannel ultrasonoscope measuring device and its metering method |
| CN115307694A (en) * | 2022-07-08 | 2022-11-08 | 新开普电子股份有限公司 | Fluid measuring method and system for ultrasonic measurement |
-
2018
- 2018-12-13 CN CN201822096128.9U patent/CN208968601U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405905A (en) * | 2018-12-13 | 2019-03-01 | 苏州东剑智能科技有限公司 | Multichannel ultrasonoscope measuring device and its metering method |
| CN115307694A (en) * | 2022-07-08 | 2022-11-08 | 新开普电子股份有限公司 | Fluid measuring method and system for ultrasonic measurement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109405905A (en) | Multichannel ultrasonoscope measuring device and its metering method | |
| CN104236649B (en) | A kind of ultrasonic flowmeter and flow-measuring method of multi-pathses parallel synchronous flow measurement | |
| EP0681685B1 (en) | Fluid flow meter | |
| CN105890685B (en) | A kind of device for measuring ultrasonic wave flow based on accumulated phase difference | |
| CN208968601U (en) | Multichannel ultrasonoscope measuring device | |
| CN201828295U (en) | Phase difference type ultrasonic wave flow metering device | |
| CN104535141B (en) | The flow velocity simulation system and method for ultrasonic flowmeter | |
| CN103090916A (en) | Ultrasonic flow measurement device and ultrasonic flow measurement method | |
| CN101118170A (en) | Multiple acoustic circuit time difference type supersonic flowmeter | |
| CN105333911A (en) | Low-power-consumption middle-low-pressure gas ultrasonic flow measuring circuit | |
| CN201795821U (en) | Ultrasonic flowmeter | |
| CN103954326A (en) | Double-sound track N-shaped reflective ultrasonic flow sensor | |
| CN104897219A (en) | High-accuracy low-power consumption ultrasonic flowmeter | |
| CN112903043B (en) | Multichannel ultrasonic flowmeter system | |
| CN104596601B (en) | eight-channel ultrasonic flowmeter sensor | |
| CN207036192U (en) | Gas liquid two purpose ultrasonic flowmeter | |
| CN116295149A (en) | Pipeline bubble size measurement system based on time difference type ultrasonic flowmeter | |
| CN214149456U (en) | Gas metering bin structure for ultrasonic gas meter | |
| Zheng et al. | Study on the measurement method of wet gas flow velocity by ultrasonic flow meter | |
| CN104568036A (en) | High-precision low-power-consumption ultrasonic flowmeter | |
| CN206683730U (en) | A kind of ultrasonic flowmeter signal to noise ratio detects alarm module | |
| CN209280059U (en) | A kind of ultrasonic type gas-liquid two-phase measuring device | |
| CN116338240B (en) | Ultrasonic liquid flow velocity measurement method and device based on parabolic fitting | |
| CN204359371U (en) | Eight-channel ultrasonic flowmeter sensor | |
| CN107490406B (en) | Ultrasonic vortex street flowmeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |