CN106153134A - A kind of ultrasonic flow transducer and assemble method thereof - Google Patents
A kind of ultrasonic flow transducer and assemble method thereof Download PDFInfo
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- CN106153134A CN106153134A CN201610851878.5A CN201610851878A CN106153134A CN 106153134 A CN106153134 A CN 106153134A CN 201610851878 A CN201610851878 A CN 201610851878A CN 106153134 A CN106153134 A CN 106153134A
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- Prior art keywords
- center sleeve
- line sheet
- reflector
- pipeline section
- flow transducer
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- 238000000034 method Methods 0.000 title claims abstract description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 16
- 239000011265 semifinished product Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000002991 molded plastic Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000011514 reflex Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
- G01F15/185—Connecting means, e.g. bypass conduits
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Abstract
The present invention relates to a kind of ultrasonic flow transducer and assemble method thereof, in particular with ultrasonic detecting technology, in metering conduit, fluid flow or the effusion meter of liquid heat, belong to acoustics, field of sensing technologies.Technical scheme is: comprise pipeline section body (1), center sleeve (4), reflector and line sheet, is provided with center sleeve (4), reflector and line sheet and is all directly anchored on center sleeve (4) in pipeline section body.This invention simplifies reflector fixed structure, decrease overall amount of parts, the assembly difficulty reduced between each parts and improve overall package efficiency, improve the effect of medium fluidised form in tested pipeline, improve instrument flow measurement condition, improve instrument range, there is the features such as simple and reasonable, easy for installation, reliability is high, certainty of measurement is high, strong adaptability, can be widely applied in the flow transducer of Ultrasonic water meter, hotlist, effusion meter.
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, the ultrasonic flow transducer of background technology, is additionally provided with line sheet, has been mainly and has improved measured tube
Medium fluidised form effect in road, meanwhile, line sheet is also as the fixed plate of reflector.Above-mentioned ultrasonic flow transducer is in use deposited
The shortcoming such as high in matching requirements precision, flow transducer 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, rises and improves medium fluidised form in tested pipeline, solves to deposit in background technology
Problem.
The technical scheme is that
A kind of ultrasonic flow transducer, comprises pipeline section body, center sleeve, line sheet and reflector, is provided with center in pipeline section body
Pipe, reflector and line sheet are all 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.
Described line sheet, has been mainly and has improved medium fluidised form effect in tested pipeline, can be a piece of can also be multi-disc,
Can be horizontally disposed can also be vertically to arrange.
Described line sheet, is divided into prenex flow and posterior cord flow；Described reflector, is divided into front-reflection body and back reflector,
The reflector of water (flow) direction front end in pipeline section body, referred to as front-reflection body, the reflector of water (flow) direction rear end in pipeline section body, after being referred to as
Reflector；Prenex flow, is arranged on before front-reflection body, and in pipeline section body, current arrive prenex flow at first, anti-before then arriving
Beam；Posterior cord flow, is arranged on after back reflector, and in pipeline section body, current first arrive back reflector, line after then arriving
Sheet.
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, and center sleeve radially disconnects, and is divided into two sections or three sections, in the middle of center sleeve
The part that reduces be an entirety, indivisible, be connected to one by grafting, the mode such as snap connection between two sections or three sections
Rise.Center sleeve is divided into three sections: the middle part that reduces is one section, and the tube wall reducing part front end is one section, after reducing part
The tube wall of end 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 card groove mated with card；Reflection
In the card groove that the card of body both sides is stuck on center sleeve, completing the fixing of reflector, card groove is in center
Position on pipe, angle, determine according to the position angle that sonac mates with reflector.
Described line sheet, it both can be that single part assembles with center sleeve, it is also possible to is integral with reflector
Part, it is also possible to being to become an integral molded plastic with center sleeve to shape, line sheet material is identical with center sleeve material；Or adopt
With pre-buried inserts mode injection molded, line sheet material is different from center sleeve material, and center sleeve is plastic material, line sheet
Can be the non-plastic materials such as metal.
Described line sheet assembles with center sleeve, is provided with the line sheet mated with line sheet recessed on the tube wall of center sleeve
Groove, in the line sheet groove that line sheet both sides are stuck on center sleeve, completes the fixing of line sheet, line sheet groove in
Position on heart sleeve pipe, angle, determine according to the position angle of line sheet.
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, two line sheets；
Complete the assembling between center sleeve and two reflectors and two line sheets: reflector both sides are provided with card, center
The card groove mated with card and the line sheet groove mated with line sheet it is respectively equipped with on the tube wall of sleeve pipe；Reflector both sides
The card groove that is stuck on center sleeve of card in, complete the fixing of reflector, card groove is on center sleeve
Position, angle, determine according to the position angle that sonac mates with reflector；Two reflectors are separately fixed at center
On the tube wall at pipe two ends；In the line sheet groove that line sheet both sides are stuck on center sleeve, complete the fixing of line sheet, bundle
Flow groove position on center sleeve, angle, determine according to the position angle of line sheet；
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.
Two reflectors are respectively front-reflection body and back reflector, and two line sheets are respectively prenex flow and rear line
Sheet.
This invention simplifies reflector fixed structure, the dress decreasing overall amount of parts, reducing between each parts
Join difficulty and improve overall package efficiency, the most also having and improve effect of medium fluidised form in tested pipeline, improve instrument
Range, 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.Simultaneously
This sensor also has and improves the effect of medium fluidised form in tested pipeline, improves instrument flow measurement condition, improves instrument and use model
Enclose.Patent of the present invention has the features such as simple and reasonable, easy for installation, reliability is high, certainty of measurement is high, strong adaptability, can
It is widely used in the flow transducer of Ultrasonic water meter, hotlist, effusion meter.
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, line sheet and center sleeve assemble；
Fig. 8 is the embodiment of the present invention two reflector, line sheet center sleeve component solution structure schematic diagram；
Fig. 9 is structural representation after embodiment of the present invention dyad structure centre sleeve-assembled；
Figure 10 is the embodiment of the present invention four line chip architecture schematic diagram；
Figure 11 is line sheet and center sleeve unitary form perspective view in the embodiment of the present invention three；
Figure 12 is line sheet and center sleeve unitary form perspective cross-sectional structural representation in the embodiment of the present invention four；
Figure 13 is line sheet and reflector unitary form perspective cross-sectional structural representation in the embodiment of the present invention five；
Figure 14 is the embodiment of the present invention six structural representation；
Figure 15 is the embodiment of the present invention seven structural representation；
Figure 16 is the embodiment of the present invention eight structural representation；
In figure: pipeline section body 1, sonac 2, front-reflection body 3, center sleeve 4, pipeline section wall 5, sensor mounting hole 6, O type are close
Seal 7, O RunddichtringO mounting groove 8, card groove 9, reduce part 10, center sleeve fixing hole 11, prenex flow 12, line
Sheet groove 13, posterior cord flow 14, back reflector 15.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the present invention will be further described
Embodiment one: 1-6 referring to the drawings.
A kind of ultrasonic flow transducer, comprises pipeline section body 1, center sleeve 4, reflector and line sheet, is provided with in pipeline section body
Center sleeve 4, reflector and line sheet are all 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.
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 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.
The present embodiment line sheet, is that single part assembles with center sleeve.
Described reflector both sides are provided with card, and the tube wall of center sleeve 4 is provided with the card groove 9 mated with card；Instead
In the card groove that the card of beam both sides is stuck on center sleeve, completing the fixing of reflector, card groove is at center
Position on sleeve pipe, angle, determine according to the position angle that sonac mates with reflector.Described line sheet and center
Pipe 4 assembles, and is provided with the line sheet groove 13 mated with line sheet, during line sheet both sides are stuck on the tube wall of center sleeve
In line sheet groove 13 on heart sleeve pipe, complete the fixing of line sheet, line sheet groove position on center sleeve, angle,
Position angle according to line sheet determines.
Embodiment two: referring to the drawings 7,8,9.
Described center sleeve is Split type structure, and center sleeve radially disconnects, and is divided into two sections or three sections, in the middle of center sleeve
The part that reduces be an entirety, indivisible, be connected to one by grafting, the mode such as snap connection between two sections or three sections
Rise.Center sleeve is divided into three sections: the middle part that reduces is one section, and the tube wall reducing part front end is one section, after reducing part
The tube wall of end 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 11.
The present embodiment line sheet, is to become an integral molded plastic with center sleeve to shape, line sheet material and center sleeve 4
Material is identical.
Embodiment four: referring to the drawings 10,12.
The present embodiment line sheet, uses pre-buried inserts mode injection molded, and line sheet material is with center sleeve 4 material not
With, center sleeve is plastic material, and line sheet is metal material.
Embodiment five: referring to the drawings 13.
The present embodiment line sheet, is part integral with reflector.
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 and two line sheets；
Complete the assembling between center sleeve and two reflectors: reflector both sides are provided with card, on the tube wall of center sleeve
It is provided with the card groove 9 mated with card, in the card groove 9 that the card of reflector both sides is stuck on center sleeve, complete
Become the fixing of reflector, card groove position on center sleeve, angle, the position mated with reflector according to sonac
Put angle-determining；Two reflectors are separately fixed on the tube wall at center sleeve two ends；
Complete the assembling between center sleeve and two line sheets: be provided with on the tube wall of center sleeve 4 and mate with line sheet
Line sheet groove 13, in the line sheet groove 13 that line sheet both sides are stuck on center sleeve, complete the fixing of line sheet,
Line sheet groove position on center sleeve, angle, determine according to the position angle of line sheet；
Then O RunddichtringO 7 is assemblied on center sleeve 4, forms semi-finished product module；
Being loaded in pipeline section body 1 by this semi-finished product module, pipeline section body is provided with pair of sensors installing hole, and sensor mounting hole is built-in
Enter sonac 2, 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, sonac
2 or other functional part by this through hole center sleeve be fixed and position.
Described line sheet, is divided into prenex flow 12 and posterior cord flow 14；Described reflector, be divided into front-reflection body 3 and rear instead
Beam 15, the reflector of water (flow) direction front end in pipeline section body, referred to as front-reflection body, the reflection of water (flow) direction rear end in pipeline section body
Body, referred to as back reflector；Prenex flow, is arranged on before front-reflection body, and in pipeline section body, current arrive prenex flow at first, then
Arrive front-reflection body；Posterior cord flow, is arranged on after back reflector, and in pipeline section body, current first arrive back reflector, then arrive
Reach posterior cord flow.
Toe-in flow of the present invention is prerequisite, and posterior cord flow can according to circumstances choose whether to arrange.
The present invention also has three kinds of assembling forms:
Embodiment six, referring to the drawings 14.
Posterior cord flow 14 directly shapes with center sleeve 4 integrated through injection molding as inserts, is structure as a whole；Prenex flow 12 is single
Line sheet matching grooves solely and on center sleeve, fits together；Then center sleeve entirety is assembled with pipeline section body again.This knot
Structure major advantage has: posterior cord flow 14 is integrally formed with center sleeve, decreases assembling procedure, improves production efficiency；Posterior cord
Flow is integrally formed with center sleeve, and product size precision and concordance are good, beneficially instrument measurement.
Embodiment seven, referring to the drawings 15.
Described center sleeve is Split type structure, and center sleeve radially disconnects, and is divided into two sections, with posterior cord flow 14 and after
One section of reflector 15 collectively constitutes one section with the middle part that reduces, with front-reflection body 3 and prenex flow 12 for another
Section；During assembling, first use interference fit to load one section with pipeline section body, or location and installation groove is set on pipeline section body coordinates
Install, be then charged into another section and other parts.This structure major advantage has: posterior cord flow is integrally formed with center sleeve, subtracts
Lack assembling procedure, improve production efficiency；Posterior cord flow is integrally formed with center sleeve, product size precision and concordance
Good, beneficially instrument measurement.
Embodiment eight, referring to the drawings 16.
Described center sleeve is Split type structure, and center sleeve radially disconnects, and is divided into three sections, with posterior cord flow 14 and after
Reflector 15 for first paragraph, the middle portion that reduces is second segment, with front-reflection body 3 and prenex flow 12 for the 3rd section；
During assembling, first the mid portion of second segment can be assembled with pipeline section body, then residue two-stage nitration be used interference with pipeline section body
Fit into, or arrange on pipeline section body location and installation groove carry out coordinate install, finally load other parts.This structure is the most excellent
Point has: center sleeve is divided into three parts, reduces part manufacture difficulty, beneficially Product Cost Control.
Claims (10)
1. a ultrasonic flow transducer, it is characterised in that: comprise pipeline section body (1), center sleeve (4), reflector and line sheet,
It is provided with center sleeve (4), reflector and line sheet in pipeline section body to be all 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
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 be arranged on
On the center sleeve (4) that sonac (2) position matches.
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: described line sheet and center
Pipe (4) assembles, and is provided with line sheet groove (13) mated with line sheet on the tube wall of center sleeve, and line sheet both sides are blocked respectively
In line sheet groove (13) on center sleeve, complete the fixing of line sheet, line sheet groove position on center sleeve,
Angle, determines according to the position angle of line sheet.
7. 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, center sleeve radially disconnects, and is divided into two sections or three sections, and the part that reduces in the middle of center sleeve is an entirety, can not
Segmentation, is linked together by grafting, the mode of snapping connection between two sections or three sections.
8. according to a kind of ultrasonic flow transducer described in claim 1 or 3, it is characterised in that: described line sheet, Shi Yu center
Sleeve pipe becomes an integral molded plastic and shapes, and line sheet material is identical with center sleeve (4) material.
9. according to a kind of ultrasonic flow transducer described in claim 1 or 3, it is characterised in that: described line sheet, use pre-buried
Inserts mode injection molded, line sheet material is different from center sleeve (4) material, and center sleeve is plastic material, and line sheet is
Metal material.
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, two line sheets；
Completing the assembling between center sleeve and two reflectors, reflector both sides are provided with card, on the tube wall of center sleeve
It is provided with the card groove (9) mated with card, the card groove (9) that the card of reflector both sides is stuck on center sleeve
In, completing the fixing of reflector, card groove position on center sleeve, angle, according to sonac and reflector
The position angle joined determines；Two reflectors are separately fixed on the tube wall at center sleeve two ends；
Complete the assembling between center sleeve and two line sheets: be provided with on the tube wall of center sleeve (4) and line sheet
Line sheet groove (13) joined, in line sheet groove (13) that line sheet both sides are stuck on center sleeve, completes line sheet
Fixing, line sheet groove position on center sleeve, angle, determine according to the position angle of line sheet；
Then O RunddichtringO (7) is assemblied on center sleeve (4), forms semi-finished product module；This semi-finished product module is loaded
In pipeline section body (1), pipeline section body is provided with pair of sensors installing hole, loads sonac (2) in sensor mounting hole, the completeest
Become the assembling of ultrasonic flow transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610851878.5A CN106153134A (en) | 2016-09-27 | 2016-09-27 | A kind of ultrasonic flow transducer and assemble method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610851878.5A CN106153134A (en) | 2016-09-27 | 2016-09-27 | A kind of ultrasonic flow transducer and assemble method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106153134A true CN106153134A (en) | 2016-11-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610851878.5A Pending CN106153134A (en) | 2016-09-27 | 2016-09-27 | A kind of ultrasonic flow transducer and assemble method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679749A (en) * | 2017-03-02 | 2017-05-17 | 汇中仪表股份有限公司 | Central sleeve flow constraint structure for ultrasonic water meter, heat meter and flowmeter and method |
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| EP0392294A1 (en) * | 1989-04-13 | 1990-10-17 | Siemens Aktiengesellschaft | Fluid flowmeter for measuring ultrasound transit times |
| CN201724700U (en) * | 2010-07-29 | 2011-01-26 | 唐山汇中仪表股份有限公司 | Measurement pipe section for ultrasonic flowmeter/calorimeter converter with beam function |
| CN202018311U (en) * | 2011-01-26 | 2011-10-26 | 连云港水表有限公司 | Reflection-type ultrasonic flow sensor |
| CN202661117U (en) * | 2012-05-23 | 2013-01-09 | 河南新天科技股份有限公司 | Flange-type ultrasonic flowmeter |
| US20160116317A1 (en) * | 2013-07-26 | 2016-04-28 | Zhejiang Joy Electronic Technology Co., Ltd | Ultrasonic flow tube, ultrasonic flow tube assembly, ultrasonic flow sensor and ultrasonic flow meter |
| CN206056691U (en) * | 2016-09-27 | 2017-03-29 | 汇中仪表股份有限公司 | A kind of ultrasonic flow transducer |
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| EP0392294A1 (en) * | 1989-04-13 | 1990-10-17 | Siemens Aktiengesellschaft | Fluid flowmeter for measuring ultrasound transit times |
| CN201724700U (en) * | 2010-07-29 | 2011-01-26 | 唐山汇中仪表股份有限公司 | Measurement pipe section for ultrasonic flowmeter/calorimeter converter with beam function |
| CN202018311U (en) * | 2011-01-26 | 2011-10-26 | 连云港水表有限公司 | Reflection-type ultrasonic flow sensor |
| CN202661117U (en) * | 2012-05-23 | 2013-01-09 | 河南新天科技股份有限公司 | Flange-type ultrasonic flowmeter |
| US20160116317A1 (en) * | 2013-07-26 | 2016-04-28 | Zhejiang Joy Electronic Technology Co., Ltd | Ultrasonic flow tube, ultrasonic flow tube assembly, ultrasonic flow sensor and ultrasonic flow meter |
| CN206056691U (en) * | 2016-09-27 | 2017-03-29 | 汇中仪表股份有限公司 | A kind of ultrasonic flow transducer |
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| CN106679749A (en) * | 2017-03-02 | 2017-05-17 | 汇中仪表股份有限公司 | Central sleeve flow constraint structure for ultrasonic water meter, heat meter and flowmeter and method |
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