CN105973327A - Ultrasound flow sensor and assembling method thereof - Google Patents
Ultrasound flow sensor and assembling method thereof Download PDFInfo
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- CN105973327A CN105973327A CN201610542512.XA CN201610542512A CN105973327A CN 105973327 A CN105973327 A CN 105973327A CN 201610542512 A CN201610542512 A CN 201610542512A CN 105973327 A CN105973327 A CN 105973327A
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- Prior art keywords
- center sleeve
- reflector
- pipeline section
- flow transducer
- ultrasonic flow
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- 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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to an ultrasound flow sensor and an assembling method thereof, in particular to a flowmeter for calculating liquid flow or liquid heat in a pipe by means of an ultrasonic detection technology, and belongs to the technical field of acoustics and sensing. The technical scheme is that the ultrasound flow sensor comprises a pipe section body (1), a central sleeve (4) and a reflector (3). The central sleeve (4) is arranged in the pipe section body, and the reflector (3) is directly fixed to the central sleeve (4). A fixed structure of the reflector (3) is simplified, the number of overall parts is reduced, the assembly difficulty between the parts is reduced, overall assembly efficiency is improved, and on the whole, the flow sensor is more reasonable and simpler in structure. The production efficiency is further greatly improved while the production cost is reduced. The ultrasound flow sensor has the advantages of being simple and reasonable in structure, convenient to install and high in reliability and measurement precision and adaptability and the like. The ultrasound flow sensor can be widely applied to flow sensors of ultrasonic water meters, heat meters and flowmeters.
Description
Technical field
The present invention relates to a kind of ultrasonic flow transducer and assemble method thereof, in particular with ultrasonic detecting technology, metering
In pipeline, fluid flow or the effusion meter of liquid heat, belong to acoustics, field of sensing technologies.
Background technology
At present, existing ultrasonic flow transducer, the most small-bore ultrasonic flow transducer the most all uses dependence reflection
Body reflection carries out the mode of transonic and measures, and reflector has the various forms such as lamellar, column, and reflector typically depends on
Fix by inserts or directly rely on reflector itself to coordinate patent that is fixing, that apply for such as me with pipeline section body: " there is beam function
Ultrasonic flow rate, Calorimeter Converter Using For Measuring Pipe Run ", China Patent No. ZL201020275319.2, it is simply that rely on reflector
And interference fit is fixed between pipeline section body；Also have reflector to be dependent on two two half cut open in the vertical and hold tightly solid
Fixed, such as China Patent No. 200810176267.0；Also having reflector is column, relies on cylinder and the pipeline section of column reflector
The circular hole matched on body is fixed.In use there is matching requirements precision height, flow transducer in above-mentioned ultrasonic flow transducer
The shortcomings such as building block is many, structure is complicated.
Summary of the invention
It is an object of the present invention to provide a kind of ultrasonic flow transducer and assemble method thereof, reflector is fixing succinct, structure letter
Single, easy to assembly fast solid and reliable, building block is few, solves problem present in background technology.
The technical scheme is that
A kind of ultrasonic flow transducer, comprises pipeline section body, center sleeve and reflector, is provided with center sleeve in pipeline section body, reflection
Body is directly anchored on center sleeve.
Described pipeline section body is provided with sensor mounting hole, and sonac is arranged on the sensor mounting hole on pipeline section body
In, sonac matches with reflector.
At least provided with pair of sensors installing hole on described pipeline section body, and it is respectively mounted sonac, center sleeve
Being arranged between two sonacs, center sleeve is provided with the center sleeve fixing hole mated with sensor mounting hole；Instead
Beam is arranged on the center sleeve matched with sonac position.
Described center sleeve, can be complete tubulose, and both ends are concordant, and its length is more than in pair of sensors installing hole
The distance of heart line, the center tube wall that sensor mounting hole is corresponding has hole, and it is corresponding that reflector is fixed on sensor mounting hole
Center sleeve tube wall on.
Described center sleeve, can be incomplete tubulose, and at least one end is the most concordant, and the tube wall of this end extends to
The position that sensor mounting hole is corresponding, reflector is fixed on the tube wall that center sleeve extends at sensor mounting hole, center
Sleeve pipe extends the length of tube wall together with it, more than the distance of pair of sensors installing hole centrage.
The mid portion of described center sleeve, part internal diameter reduces, and reduces part and constitutes a Measurement channel, ultrasonic sensing
Device is arranged on the both sides reducing part, it is simple to improve certainty of measurement.Center sleeve is provided with O RunddichtringO mounting groove, and O type seals
It is provided with O RunddichtringO, as the sealing between pipeline section body and center sleeve in circle mounting groove.
Center sleeve of the present invention definition and effect: described center sleeve, Main Function has two: one to be center sleeve two ends
The carrier of fixation reflex body is provided；Two is to be reduced by pipeline section body local area of passage, and the measured medium of its passage is passed through in raising
Flow velocity, improves instrument measurement resolution.Intermediate portion be the regular length for measuring measured medium flow velocity reduce part
Passage, is normally between two sonacs or two reflectors, reduce partial-length not over two sonacs or
Length between the outline of two reflector minimum distances；Its sectional area reducing part can also be able to be change face with homalographic change
Long-pending change.
Described center sleeve is structure as a whole, and middle reducing is the most one-body molded with both ends.Such as: integrated injection molding becomes
Type.
Described center sleeve is Split type structure, is radially divided into two sections or three sections along center sleeve, the contracting in the middle of center sleeve
Fraction is an entirety, indivisible, is linked together by grafting, the mode such as snap connection between two sections or three sections.In
Heart sleeve pipe is divided into three sections: the middle part that reduces is one section, and the tube wall reducing part front end is one section, reduces the pipe of portion rear end
Wall is one section.Center sleeve is divided into two sections: reducing part with the tube wall of wherein one end is one section, and other end tube wall is one section.
Described center sleeve is to be fixed by the sonac being arranged on pipeline section body and positioned, it is also possible to be to pass through
Other functional parts and the structural member that are arranged on pipeline section body are fixed and are positioned, such as temperature sensor, fixing pin, buckle, spiral shell
Stricture of vagina etc..
Described reflector can be lamellar can also be other shapes of, such as convex half-sphere shape.
Described reflector both sides are provided with card, and the tube wall of center sleeve is provided with the groove mated with card, reflector two
The card of side is stuck in the groove on center sleeve, completes the fixing of reflector, groove position on center sleeve, angle
Degree, determines according to the position angle that sonac mates with reflector.
Between reflector and center sleeve, it is also possible to be to fix otherwise, as by bonding or welding or injection
Reflector is fixed on center sleeve by the modes such as inserts is fixing.
The assemble method of a kind of ultrasonic flow transducer, comprises following processing step:
The parts assembled are needed to include: pipeline section body, two sonacs, center sleeve, O types seal
Circle, two reflectors；
Complete the assembling between center sleeve and two reflectors: reflector both sides are provided with card, on the tube wall of center sleeve
Being provided with the groove mated with card, the card of reflector both sides is stuck in the groove on center sleeve, completes reflector
Fixing, groove position on center sleeve, angle, determine according to the position angle that sonac mates with reflector；Two
Individual reflector is separately fixed on the tube wall at center sleeve two ends；
Then O RunddichtringO is assemblied on center sleeve, forms semi-finished product module；
Then loading in pipeline section body by this semi-finished product module, pipeline section body is provided with pair of sensors installing hole, and sensor is installed
Load sonac in hole, i.e. complete the assembling of ultrasonic flow transducer.
The mid portion of described center sleeve, part internal diameter reduces, and reduces part and constitutes a Measurement channel, ultrasonic sensing
Device is arranged on the both sides reducing part, it is simple to improve certainty of measurement.
Position corresponding with sensor mounting hole on described center sleeve arranges center sleeve fixing hole, sonac
Or center sleeve is fixed by this through hole and positions by other functional part.
This invention simplifies reflector fixed structure, the dress decreasing overall amount of parts, reducing between each parts
Join difficulty and improve overall package efficiency, make on the whole flow sensor arrangement more rationally, simpler.
Beneficial effects of the present invention: owing to reflector direct-assembling is on the center sleeve of integrative-structure so that whole stream
Quantity sensor structure and assembling are the simplest, reliable, also substantially increase production efficiency while reducing production cost.This
Bright patent has the features such as simple and reasonable, easy for installation, reliability is high, certainty of measurement is high, strong adaptability, can extensively apply
In Ultrasonic water meter, hotlist, effusion meter flow transducer in.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one structural representation；
Fig. 2 is the embodiment of the present invention one axle side sectional structure schematic diagram；
Fig. 3 is the embodiment of the present invention one pipeline section body structural representation；
Fig. 4 is the embodiment of the present invention one center sleeve structural representation；
Fig. 5 is the embodiment of the present invention one reflector perspective view；
Fig. 6 is the embodiment of the present invention one reflector side-looking structural representation；
Fig. 7 is structural representation after the embodiment of the present invention two reflector assembles with center sleeve；
Fig. 8 is that the embodiment of the present invention two reflector assembles pre-structure schematic diagram with center sleeve；
Fig. 9 is the embodiment of the present invention one center sleeve package assembly schematic diagram；
Figure 10 is other version reflector side-looking structural representation of the embodiment of the present invention three；
Figure 11 is other version reflector perspective view of the embodiment of the present invention three；
In figure: pipeline section body 1, sonac 2, reflector 3, center sleeve 4, pipeline section wall 5, sensor mounting hole 6, O type seal
Circle 7, O RunddichtringO mounting groove 8, groove 9, reduce part 10, center sleeve fixing hole 11.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the present invention will be further described
Embodiment one: referring to the drawings 1-6,9.
A kind of ultrasonic flow transducer, comprises pipeline section body 1, center sleeve 4 and reflector 3, is provided with center in pipeline section body
Pipe 4, reflector 3 is directly anchored on center sleeve 4.
Described pipeline section body is provided with sensor mounting hole 6, and the sensor that sonac 2 is arranged on pipeline section body 1 is installed
In hole 6, sonac 2 matches with reflector 3.
At least provided with pair of sensors installing hole 6 on described pipeline section body, and it is respectively mounted sonac, center sleeve
4 are arranged between two sonacs 2, and center sleeve 4 is provided with the center sleeve fixing hole mated with sensor mounting hole 6
11；Reflector 3 is arranged on the center sleeve 4 matched with sonac 2 position.
Described center sleeve 4, can be complete tubulose, and both ends are concordant, and its length is more than pair of sensors installing hole 6
The distance of centrage, the center tube wall that sensor mounting hole is corresponding has hole, and reflector is fixed on sensor mounting hole pair
On center sleeve 4 tube wall answered.
Described center sleeve 4, can be incomplete tubulose, and at least one end is the most concordant, and the tube wall of this end extends
To the position of sensor mounting hole 6 correspondence, reflector is fixed on the tube wall that center sleeve 4 extends at sensor mounting hole 6,
Center sleeve extends the length of tube wall together with it, more than the distance of pair of sensors installing hole 6 centrage.
The mid portion of described center sleeve, part internal diameter reduces, and reduces part 10 and constitutes a Measurement channel, ultrasonic biography
Sensor 2 is arranged on the both sides reducing part 10, it is simple to improve certainty of measurement.Center sleeve is provided with O RunddichtringO mounting groove 8, O
O RunddichtringO 7 it is provided with, as the sealing between pipeline section body and center sleeve in RunddichtringO mounting groove 8.
Center sleeve of the present invention definition and effect: described center sleeve, Main Function has two: one to be center sleeve two ends
The carrier of fixation reflex body is provided；Two is to be reduced by pipeline section body local area of passage, and the measured medium of its passage is passed through in raising
Flow velocity, improves instrument measurement resolution.Intermediate portion be the regular length for measuring measured medium flow velocity reduce part
Passage, is normally between two sonacs or two reflectors, reduce partial-length not over two sonacs or
Length between the outline of two reflector minimum distances；Its sectional area reducing part can also be able to be change face with homalographic change
Long-pending change.
Described center sleeve is structure as a whole, and middle reducing is the most one-body molded with both ends.Such as: integrated injection molding becomes
Type.
Embodiment two: referring to the drawings 7,8.
Described center sleeve is Split type structure, is radially divided into two sections or three sections along center sleeve, the contracting in the middle of center sleeve
Fraction is an entirety, indivisible, is linked together by grafting, the mode such as snap connection between two sections or three sections.In
Heart sleeve pipe is divided into three sections: the middle part that reduces is one section, and the tube wall reducing part front end is one section, reduces the pipe of portion rear end
Wall is one section.Center sleeve is divided into two sections: reducing part with the tube wall of wherein one end is one section, and other end tube wall is one section.
Described center sleeve 4 is to be fixed by the sonac 2 being arranged on pipeline section body 1 and positioned, it is also possible to be
Other functional parts and structural member by being arranged on pipeline section body 1 are fixed and are positioned, such as temperature sensor, fixing pin, card
Button, screw thread etc..
Embodiment three: referring to the drawings 10,11.
Described reflector 3 can be lamellar can also be other shapes of, such as convex half-sphere shape.
Described reflector 3 both sides are provided with card, and the tube wall of center sleeve is provided with the groove 9 mated with card, reflector 3
In the groove 9 that the card of both sides is stuck on center sleeve, complete the fixing of reflector, groove position on center sleeve
Put, angle, determine according to the position angle that sonac mates with reflector.
Reflector 3 can also is that with center sleeve 4 and fixes otherwise, as by bonding or welding or injection inserts
Reflector is fixed on center sleeve by the mode such as fixing.
The assemble method of a kind of ultrasonic flow transducer, comprises following processing step:
The parts assembled are needed to include: 1, two sonacs of a pipeline section body, center sleeve, an O type seal
Enclose 7, two reflectors；
Complete the assembling between center sleeve and two reflectors: reflector 3 both sides are provided with card, on the tube wall of center sleeve
It is provided with the groove 9 mated with card, in the groove 9 that the card of reflector 3 both sides is stuck on center sleeve, completes reflector
Fixing, groove position on center sleeve, angle, determine according to the position angle that sonac mates with reflector；
Two reflectors are separately fixed on the tube wall at center sleeve two ends；
Then O RunddichtringO 7 is assemblied on center sleeve 4, forms semi-finished product module；
Then loading in pipeline section body 1 by this semi-finished product module, pipeline section body is provided with pair of sensors installing hole, and sensor is installed
Load sonac 2 in hole, i.e. complete the assembling of ultrasonic flow transducer.
The mid portion of described center sleeve, part internal diameter reduces, and reduces part 10 and constitutes a Measurement channel, ultrasonic biography
Sensor 2 is arranged on the both sides reducing part 10, it is simple to improve certainty of measurement.
Position corresponding with sensor mounting hole on described center sleeve arranges center sleeve fixing hole 11, ultrasonic sensing
Center sleeve is fixed by this through hole and positions by device 2 or other functional part.
Claims (10)
1. a ultrasonic flow transducer, it is characterised in that: comprise pipeline section body (1), center sleeve (4) and reflector (3), pipeline section
The internal center sleeve (4) that is provided with, reflector (3) is directly anchored on center sleeve (4).
A kind of ultrasonic flow transducer the most according to claim 1, it is characterised in that: pipeline section body is provided with sensor and installs
Hole (6), sonac (2) is arranged on the sensor mounting hole (6) on pipeline section body (1) Nei, sonac (2) and reflector
(3) match.
A kind of ultrasonic flow transducer the most according to claim 2, it is characterised in that: on described pipeline section body at least provided with
Pair of sensors installing hole (6), and be respectively mounted sonac, center sleeve (4) be arranged on two sonacs (2) it
Between, center sleeve (4) is provided with the center sleeve fixing hole (11) mated with sensor mounting hole (6)；Reflector (3) is arranged on
On the center sleeve (4) matched with sonac (2) position.
4. according to a kind of ultrasonic flow transducer described in claim 1 or 3, it is characterised in that: described center sleeve (4), be
Complete tubulose, both ends are concordant, and its length is more than the distance of pair of sensors installing hole (6) centrage, sensor mounting hole
Having hole on corresponding center tube wall, reflector is fixed on sensor mounting hole corresponding center sleeve (4) tube wall.
5. according to a kind of ultrasonic flow transducer described in claim 1 or 3, it is characterised in that: described center sleeve (4), be
Incomplete tubulose, at least one end is the most concordant, and the tube wall of this end extends to the position that sensor mounting hole (6) is corresponding,
Reflector is fixed on center sleeve (4) and extends on the tube wall at sensor mounting hole (6) place, and center sleeve extends tube wall together with it
Length, more than the distance of pair of sensors installing hole (6) centrage.
6. according to a kind of ultrasonic flow transducer described in claim 1 or 3, it is characterised in that: the centre of described center sleeve
Part, part internal diameter reduces, and reduces part (10) and constitutes a Measurement channel, and sonac (2) is arranged on and reduces part
(10) both sides；Center sleeve is provided with O RunddichtringO mounting groove (8), is provided with O RunddichtringO in O RunddichtringO mounting groove (8)
(7), as the sealing between pipeline section body and center sleeve.
7. according to a kind of ultrasonic flow transducer described in claim 1 or 3, it is characterised in that: described center sleeve is integrated
Structure, middle reducing is the most one-body molded with both ends.
8. according to a kind of ultrasonic flow transducer described in claim 1 or 3, it is characterised in that: described center sleeve is split
Structure, is radially divided into two sections or three sections along center sleeve, and the part that reduces in the middle of center sleeve is an entirety, indivisible,
Linked together by grafting, the mode such as snap connection between two sections or three sections.
9. according to a kind of ultrasonic flow transducer described in claim 1 or 3, it is characterised in that: described reflector (3) is as convex
Face is hemispherical.
10. the assemble method of a ultrasonic flow transducer, it is characterised in that comprise following processing step:
The parts assembled are needed to include: pipeline section body (1), two sonacs, center sleeve (4), O types
Sealing ring (7), two reflectors；
Completing the assembling between center sleeve and two reflectors, reflector (3) both sides are provided with card, the tube wall of center sleeve
It is provided with the groove (9) mated with card, in the groove (9) that the card of reflector (3) both sides is stuck on center sleeve, complete
Become the fixing of reflector, groove position on center sleeve, angle, the position angle mated with reflector according to sonac
Degree determines；Two reflectors are separately fixed on the tube wall at center sleeve two ends；
Then O RunddichtringO (7) is assemblied on center sleeve (4), forms semi-finished product module；
Then loading in pipeline section body (1) by this semi-finished product module, pipeline section body is provided with pair of sensors installing hole, and sensor is pacified
Dress loads sonac (2) in hole, i.e. completes the assembling of ultrasonic flow transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542512.XA CN105973327A (en) | 2016-07-12 | 2016-07-12 | Ultrasound flow sensor and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542512.XA CN105973327A (en) | 2016-07-12 | 2016-07-12 | Ultrasound flow sensor and assembling method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN105973327A true CN105973327A (en) | 2016-09-28 |
Family
ID=56952939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610542512.XA Pending CN105973327A (en) | 2016-07-12 | 2016-07-12 | Ultrasound flow sensor and assembling method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525170A (en) * | 2017-01-04 | 2017-03-22 | 汇中仪表股份有限公司 | Measurement tubulation structure with rectification function and assembling method thereof |
| CN108548580A (en) * | 2018-04-13 | 2018-09-18 | 瑞纳智能设备股份有限公司 | A kind of heavy caliber multichannel sonac structure |
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| CN2793701Y (en) * | 2005-04-06 | 2006-07-05 | 张力新 | Measuring piping section of ultrasonic flowmeter and heatmeter converter |
| CN201697666U (en) * | 2009-12-02 | 2011-01-05 | 唐山汇中仪表股份有限公司 | Reflector positioning structure in measuring tube section of ultrasound flow/heat meter |
| WO2013041104A1 (en) * | 2011-09-23 | 2013-03-28 | Kamstrup A/S | Flow meter with protruding transducers |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525170A (en) * | 2017-01-04 | 2017-03-22 | 汇中仪表股份有限公司 | Measurement tubulation structure with rectification function and assembling method thereof |
| CN108548580A (en) * | 2018-04-13 | 2018-09-18 | 瑞纳智能设备股份有限公司 | A kind of heavy caliber multichannel sonac structure |
| CN108548580B (en) * | 2018-04-13 | 2024-02-23 | 瑞纳智能设备股份有限公司 | Large-caliber multi-channel ultrasonic sensor structure |
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Application publication date: 20160928 |