CN207456539U - A kind of improved flow instrument - Google Patents
A kind of improved flow instrument Download PDFInfo
- Publication number
- CN207456539U CN207456539U CN201721665086.5U CN201721665086U CN207456539U CN 207456539 U CN207456539 U CN 207456539U CN 201721665086 U CN201721665086 U CN 201721665086U CN 207456539 U CN207456539 U CN 207456539U
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- CN
- China
- Prior art keywords
- outer housing
- ultrasonic
- flow instrument
- housing
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of improved flow instrument, including outer housing, outer housing is internally provided with the inner housing for being coaxial therewith setting, outer housing is fixedly connected with inner housing by fastening bolt, the inside of outer housing is equipped with detection unit, the one side of outer housing is equipped with pressure sensor, the upper and lower ends of opposite side are equipped with ultrasonic oscillator, outer housing is respectively equipped with two groups of ultrasonic probes in both sides up and down, every group of ultrasonic probe includes ultrasonic wave transmitting probe and ultrasonic wave receiving transducer, outside is equipped with mounting bracket among outer housing, mounting bracket is equipped with traffic handler, steady flow baffle is equipped in the fluid passageway formed between outer housing and inner housing.The beneficial effects of the utility model are that the setting of ultrasonic oscillator is capable of the amplitude increase of pumping signal and improves the receiving sensitivity of ultrasonic flow instrument, and the position of ultrasonic probe can be fixed and the adjusting of probe positions can be carried out according to different fluids, effectively improve the measurement accuracy of flow instrument.
Description
Technical field
The utility model belongs to fluid monitoring apparatus technical field, more particularly, to a kind of improved flow instrument.
Background technology
Due to seal and can not perspectivity, the flow of the fluid in closed conduct can not be known to the external world.As most simple
Then the flow velocity of single measuring method, usually measurable fluid goes out the flow of fluid according to the diameter calculation of pipeline.It is most common
Method is using non-contact measurement, wherein commonly used instrument is exactly ultrasonic flow instrument (i.e. ultrasonic flowmeter).
Ultrasonic flow instrument is to measure flow by detecting fluid flow to the effect of supersonic beam (or ultrasonic pulse)
Instrument, according to the principle ultrasonic flow rate instrument to signal detection can be divided into propagation speed differential method (direct time difference method, time difference method,
Phase difference method and frequency-difference method), beam deviation method, Doppler method, cross-correlation method, space filter method and Noise Method etc..Ultrasonic flow
Instrument has various features, such as unique signal digital processing technology, makes that instrument measurement signal is more stable, antijamming capability
By force, it is more accurate to measure.No mechanical transmission component is less likely to be damaged, non-maintaining, long lifespan.As one kind of flow instrument, ultrasound
Ripple flow instrument can realize the effect of ultrasonic pulse fluid flow, the dynamic of flow velocity measure using fluid flowing, extensively
It is general to be applied to the fields such as agricultural, waterpower and electric power.
At present, in measurement, the precision for measuring flow can be due to ultrasonic probe for common ultrasonic flowmeter on the market
Mounting means and position have an impact, and also due to the reasons such as vibration, pressure of ultrasonic wave cause measurement result have compared with
Big error.
Utility model content
The purpose of this utility model is to provide a kind of installation simple in structure, easy to operate, being capable of mounting ultrasonic probe
Position, the improved flow instrument of high certainty of measurement.
The technical solution of the utility model is：A kind of improved flow instrument, including outer housing, the inside of the outer housing
Equipped with the inner housing for being coaxial therewith setting, the outer housing is fixedly connected with inner housing by fastening bolt, the outer housing
Inside is equipped with detection unit, and the one side of the outer housing is equipped with pressure sensor, and the upper and lower ends of opposite side are shaken equipped with ultrasonic wave
Son, both sides are respectively equipped with two groups of ultrasonic probes to the outer housing up and down, and every group of ultrasonic probe emits including ultrasonic wave
Probe and ultrasonic wave receiving transducer, the intermediate outside of the outer housing are equipped with mounting bracket, and the mounting bracket is equipped with flow processing
Device is equipped with steady flow baffle in the fluid passageway formed between the outer housing and inner housing.
Further, the detection unit is arranged on the both ends inside outer housing, the detection unit include fluid contact site,
Ultrasonic transmission/reception unit and sealing cover.
Further, the traffic handler is connected with ultrasonic probe receives signal.
Further, rotatable shaft is equipped between the ultrasonic probe and outer housing.
Further, the steady flow baffle is set in the fluid passage, and the steady flow baffle is by two plates right-angled intersection system
Into.
The utility model has the advantages and positive effects of：Due to the adoption of the above technical scheme, ultrasonic oscillator is set
It puts the amplitude increase for being capable of pumping signal and improves the receiving sensitivity of ultrasonic flow instrument, and the position of ultrasonic probe
The adjusting that can be fixed and probe positions can be carried out according to different fluids is put, can be detected for ultrasonic wave, effectively carry
The measurement accuracy of praetersonic flow instrument.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
In figure：
1st, outer housing 2, inner housing 3, fastening bolt
4th, detection unit 5, pressure sensor 6, ultrasonic oscillator
7th, ultrasonic probe 8, mounting bracket 9, traffic handler
10th, steady flow baffle
Specific embodiment
It elaborates below in conjunction with the accompanying drawings to the utility model.
As shown in Figure 1, a kind of improved flow instrument of the utility model, including outer housing 1, the inside of the outer housing 1
Equipped with the inner housing 2 for being coaxial therewith setting, the outer housing 1 is fixedly connected with inner housing 2 by fastening bolt 3, the shell
The inside of body 1 is equipped with detection unit 4, and the one side of the outer housing 1 is equipped with pressure sensor 5, and the upper and lower ends of opposite side are equipped with
Ultrasonic oscillator 6, the outer housing are respectively equipped with two groups of ultrasonic probes 7 in both sides about 1, and every group of ultrasonic probe 7 wraps
Ultrasonic wave transmitting probe and ultrasonic wave receiving transducer are included, outside is equipped with mounting bracket 8, the mounting bracket 8 among the outer housing 1
Traffic handler 9 is equipped with, steady flow baffle 10 is equipped in the fluid passageway formed between the outer housing 1 and inner housing 2.
The detection unit 4 is arranged on the both ends inside outer housing 1, and the detection unit 4 includes fluid contact site, ultrasound
Ripple Transmit-Receive Unit and sealing cover.
The traffic handler 9 is connected with ultrasonic probe 7 receives signal.
Rotatable shaft is equipped between the ultrasonic probe 7 and outer housing 1.
The steady flow baffle 10 is set in the fluid passage, and the steady flow baffle 10 is made of two plates right-angled intersection.
The course of work of this example：Include outer housing 1 and the inner housing 2 of coaxial arrangement in ultrasonic flow instrument, lead to
The acoustic signals that detection unit 4 is sent or received by ultrasonic probe 7 are crossed in fluid passageway internal reflection by detection unit to be received
Signal, and calculated the acoustic signals detected by traffic handler 8, draw the relevant number such as the flow velocity of fluid
According in ultrasonic oscillator 6 so that the amplitude increase of ultrasonic wave, to realize that the amplitude of pumping signal increases, improves supersonic flow
The receiving sensitivity of instrument is measured, the setting of steady flow baffle 10 plays rectified action, by reducing fluid to 4 grade portions of detection module
The interference of part improves the accuracy of measurement.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment, it is impossible to be construed as limiting the scope of the utility model.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all still belong within the patent covering scope of the utility model.
Claims (5)
1. a kind of improved flow instrument, it is characterised in that：Including outer housing (1), the outer housing (1) be internally provided with and its
The inner housing (2) of coaxial arrangement, the outer housing (1) are fixedly connected with inner housing (2) by fastening bolt (3), the shell
The inside of body (1) is equipped with detection unit (4), and the one side of the outer housing (1) is equipped with pressure sensor (5), opposite side up and down
Both ends are equipped with ultrasonic oscillator (6), and both sides are respectively equipped with two groups of ultrasonic probes (7) to the outer housing (1) up and down, described every group
Ultrasonic probe (7) includes ultrasonic wave transmitting probe and ultrasonic wave receiving transducer, and outside is equipped with peace among the outer housing (1)
It shelves (8), the mounting bracket (8) is equipped with traffic handler (9), the stream formed between the outer housing (1) and inner housing (2)
Steady flow baffle (10) is equipped in body passage.
2. improved flow instrument according to claim 1, it is characterised in that：The detection unit (4) is arranged on shell
The internal both ends of body (1), the detection unit include fluid contact site, ultrasonic transmission/reception unit and sealing cover.
3. improved flow instrument according to claim 1, it is characterised in that：The traffic handler (9) and ultrasonic wave
(7) connection of popping one's head in receives signal.
4. improved flow instrument according to claim 1, it is characterised in that：The ultrasonic probe (7) and outer housing
(1) rotatable shaft is equipped between.
5. improved flow instrument according to claim 1, it is characterised in that：The steady flow baffle (10) is arranged on fluid
In passage, the steady flow baffle (10) is made of two plates right-angled intersection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721665086.5U CN207456539U (en) | 2017-12-04 | 2017-12-04 | A kind of improved flow instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721665086.5U CN207456539U (en) | 2017-12-04 | 2017-12-04 | A kind of improved flow instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207456539U true CN207456539U (en) | 2018-06-05 |
Family
ID=62276435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721665086.5U Expired - Fee Related CN207456539U (en) | 2017-12-04 | 2017-12-04 | A kind of improved flow instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207456539U (en) |
-
2017
- 2017-12-04 CN CN201721665086.5U patent/CN207456539U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 Termination date: 20191204 |