CN206056690U - A kind of center sleeve of ultrasonic flow transducer and line piece package assembly - Google Patents
A kind of center sleeve of ultrasonic flow transducer and line piece package assembly Download PDFInfo
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- CN206056690U CN206056690U CN201621081645.3U CN201621081645U CN206056690U CN 206056690 U CN206056690 U CN 206056690U CN 201621081645 U CN201621081645 U CN 201621081645U CN 206056690 U CN206056690 U CN 206056690U
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- center sleeve
- line piece
- reflector
- flow
- pipeline section
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Abstract
This utility model is related to a kind of center sleeve of ultrasonic flow transducer and line piece package assembly, and in particular with ultrasonic detecting technology, the effusion meter of fluid flow or liquid heat in metering conduit belongs to acoustics, field of sensing technologies.Technical scheme is：Comprising pipeline section body（1）, center sleeve（4）, reflector and line piece, be provided with center sleeve in pipeline section body（4）, reflector and line piece are directly anchored to center sleeve（4）On；The line piece groove matched with line piece is provided with the tube wall of center sleeve（13）, line piece both sides are stuck in the line piece groove on center sleeve（13）It is interior.This utility model reduces overall amount of parts, reduces the assembly difficulty between each part and improves overall package efficiency, improve the effect of medium fluidised form in tested pipeline, improve instrument flow measurement condition, instrument use range is improved, be can be widely applied in the flow transducer of Ultrasonic water meter, hotlist, effusion meter.
Description
Technical field
This utility model is related to a kind of center sleeve of ultrasonic flow transducer and line piece package assembly, in particular with
Ultrasonic detecting technology, the effusion meter of fluid flow or liquid heat in metering conduit, belongs to acoustics, field of sensing technologies.
Background technology
At present, existing ultrasonic flow transducer, particularly small-bore ultrasonic flow transducer are generally all adopted by reflection
Body reflection carries out the mode of transonic and measures, and reflector has a various forms such as lamellar, column, reflector typically according to
Fix by inserts or directly coordinate with pipeline section body by reflector itself and fix, the patent that such as I applies：《With beam function
Ultrasonic flow rate, Calorimeter Converter Using For Measuring Pipe Run》, China Patent No. ZL201020275319.2 is exactly by reflector
Interference fit is fixed between pipeline section body；Also reflector is held tightly admittedly by two half that two are cut open in the vertical
It is fixed, such as China Patent No. 200810176267.0；Also reflector is column, by the cylinder and 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 piece, and mainly rising improves measured tube
Medium fluidised form effect in road, meanwhile, fixed plate of the line piece also as reflector.Above-mentioned ultrasonic flow transducer is deposited in use
The shortcomings of matching requirements high precision, many flow transducer building blocks, complex structure.
Utility model content
This utility model purpose is to provide a kind of center sleeve of ultrasonic flow transducer and line piece package assembly, reflection
Body fixes succinct, simple structure, and easy to assembly quick, solid and reliable, building block is few, and rising improves medium flow field in tested pipeline
State, solves problem present in background technology.
The technical solution of the utility model is：
A kind of center sleeve of ultrasonic flow transducer and line piece package assembly, comprising pipeline section body, center sleeve, line
Piece and reflector, are provided with center sleeve in pipeline section body, reflector and line piece are directly anchored on center sleeve；In center
The tube wall of pipe is provided with the line piece groove matched with line piece, and the line piece that line piece both sides are stuck on center sleeve is recessed
In groove, the fixation of line piece, position of the line piece groove on center sleeve, angle, according to the position angle of line piece are completed
It is determined that.
The line piece, is divided into prenex flow and posterior cord flow；The 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, referred to as after
Reflector；Prenex flow, is arranged on before front-reflection body, and in pipeline section body, current reach prenex flow at first, anti-before then reaching
Beam；Posterior cord flow, is arranged on behind back reflector, and in pipeline section body, current first reach back reflector, line after then reaching
Piece.
This utility model, prenex flow be it is prerequisite, posterior cord flow and as needed choose whether arrange.
The pipeline section body is provided with sensor mounting hole, and sonac is arranged on the sensor mounting hole on pipeline section body
Interior, sonac is matched with reflector.
At least provided with a pair of sensors installing hole on described pipeline section body, and sonac is respectively mounted, center sleeve
It is arranged between two sonacs, center sleeve is provided with the center sleeve fixing hole matched with sensor mounting hole；Instead
Beam is arranged on the center sleeve matched with sonac position.
The center sleeve, can be complete tubulose, and concordantly, its length is more than in a pair of sensors installing hole at both ends
The distance of heart line, is provided with hole on the corresponding center tube wall of sensor mounting hole, reflector is fixed on sensor mounting hole correspondence
Center sleeve tube wall on.
The center sleeve, can be incomplete tubulose, and at least one end is not concordant, and the tube wall of the end is extended to
The corresponding position of sensor mounting hole, reflector are fixed on the tube wall that center sleeve is extended at sensor mounting hole, center
Sleeve pipe extends the length of tube wall together with which, installs the distance of centerline hole more than a pair of sensors.
The mid portion of the center sleeve, part internal diameter reduce, and reduce part and constitute a Measurement channel, ultrasonic sensing
Device is arranged on the both sides of diminution part, is easy to improve certainty of measurement.Center sleeve is provided with O-ring seal mounting groove, O-shaped sealing
O-ring seal is provided with circle mounting groove, as the sealing between pipeline section body and center sleeve.
The line piece, mainly playing improves in tested pipeline the effect of medium fluidised form, can be it is a piece of can also be multi-disc,
Can be it is horizontally disposed can also be vertical arrangement.
The reflector both sides are provided with card, and the tube wall of center sleeve is provided with the card groove matched with card；Reflection
The card of body both sides is stuck in the card groove on center sleeve, completes the fixation of reflector, and card groove is in center
Position, angle on pipe, determines according to the position angle that sonac is matched with reflector.
This utility model center sleeve is defined and is acted on：The center sleeve, Main Function have two：One is center sleeve
Two ends provide the carrier of fixation reflex body；Two is to reduce pipeline section body local area of passage, improves tested Jie through its passage
The flow velocity of matter, improves instrument measurement resolution.Intermediate portion is the diminution for measuring the regular length of measured medium flow velocity
Passage portion, is normally between two sonacs or two reflectors, reduces partial-length not over two ultrasonic sensings
Length between the outline of device or two reflector minimum distances；The sectional area of its diminution part can be changed with homalographic
Variable area changes.
This utility model also has three kinds of embodiments：
1st, posterior cord flow is directly shaped with center sleeve integrated through injection molding as inserts, is structure as a whole；Prenex flow is independent
Line piece matching grooves with center sleeve, fit together；Then center sleeve is overall is assembled with pipeline section body again.The structure
Major advantage has：Posterior cord flow is integrally formed with center sleeve, reduces assembling procedure, improves production efficiency；Posterior cord flow
It is integrally formed with center sleeve, product size precision and concordance it is good, be conducive to instrument measurement.
2nd, the center sleeve is Split type structure, and center sleeve radially disconnects, and is divided into two sections, with posterior cord flow and after
One section of reflector collectively constitutes one section with the diminution part of centre, with front-reflection body with prenex flow for another section；Dress
One section is first loaded using interference fit by timing with pipeline section body, or setting location and installation groove carries out cooperation installation on pipeline section body,
It is then charged into another section and other parts.The structure major advantage has：Posterior cord flow is integrally formed with center sleeve, reduces group
Dress operation, improves production efficiency；Posterior cord flow is integrally formed with center sleeve, and product size precision and concordance are good, favorably
In instrument measurement.
3rd, the center sleeve is Split type structure, and center sleeve radially disconnects, and is divided into three sections, with posterior cord flow and after
Reflector for first paragraph, middle diminution portion is second segment, with front-reflection body and prenex flow for the 3rd section；Assembling
When, first the mid portion of second segment can be assembled with pipeline section body, remaining two-stage nitration and pipeline section body are adopted into interference fit then
Loading, or location and installation groove is arranged on pipeline section body carries out cooperation installation, finally loads other parts.The structure major advantage
Have：Center sleeve is divided into three parts, reduces part manufacture difficulty, beneficial to Product Cost Control.
This utility model simplifies the fixed structure of reflector and line piece, reduces overall amount of parts, reduces
Assembly difficulty between each part simultaneously improves overall package efficiency, while also have improving medium fluidised form in tested pipeline
Effect, improves instrument use range, makes flow sensor arrangement more reasonable, simpler on the whole.
The beneficial effects of the utility model：As reflector technology flow direct-assembling is in the center sleeve of integrative-structure
On so that whole flow sensor arrangement and assembling are more simple, reliable, also substantially increase while production cost is reduced
Production efficiency.The sensor also has the effect for improving medium fluidised form in tested pipeline simultaneously, improves instrument flow measurement condition, is lifted
Instrument use range.This utility model patent has that simple and reasonable, easy for installation, reliability is high, certainty of measurement is high, suitable
The features such as Ying Xingqiang, can be widely applied in the flow transducer of Ultrasonic water meter, hotlist, effusion meter.
Description of the drawings
Fig. 1 is one structural representation of this utility model embodiment；
Fig. 2 is one axle side cross section structure diagram of this utility model embodiment；
Fig. 3 is one pipeline section body structural representation of this utility model embodiment；
Fig. 4 is one center sleeve structural representation of this utility model embodiment；
Fig. 5 is one reflector dimensional structure diagram of this utility model embodiment；
Fig. 6 is one reflector side structure schematic view of this utility model embodiment；
Fig. 7 is structural representation after the assembling of two reflector of this utility model embodiment, line piece and center sleeve；
Fig. 8 is two reflector of this utility model embodiment, line piece center sleeve group decomposition texture schematic diagram；
Fig. 9 is structural representation after this utility model embodiment dyad structure centre sleeve-assembled；
Figure 10 is three structural representation of this utility model embodiment；
Figure 11 is this utility model example IV structural representation；
Figure 12 is five structural representation of this utility model embodiment；
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 sealing ring 7, O-ring seal mounting groove 8, card groove 9, reduce part 10, center sleeve fixing hole 11, prenex flow 12,
Line piece groove 13, posterior cord flow 14, back reflector 15.
Specific embodiment
Below in conjunction with accompanying drawing, this utility model is described further by embodiment
Embodiment one：Referring to the drawings 1-6.
A kind of ultrasonic flow transducer, comprising pipeline section body 1, center sleeve 4, reflector and line piece, is provided with pipeline section body
Center sleeve 4, reflector and line piece are directly anchored on center sleeve 4；It is provided with the tube wall of center sleeve and line
The line piece groove 13 of piece matching, line piece both sides are stuck in the line piece groove 13 on center sleeve, complete line piece
Fixation, position of the line piece groove on center sleeve, angle, according to the position angle of line piece determine.
The line piece, is divided into prenex flow 12 and posterior cord flow 14；The reflector, is divided into front-reflection body 3 and rear anti-
Beam 15, the referred to as reflector of water (flow) direction front end in pipeline section body, 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 reach prenex flow at first, then
Reach front-reflection body；Posterior cord flow, is arranged on behind back reflector, and in pipeline section body, current first reach back reflector, then arrive
Up to posterior cord flow.
This utility model at least possesses prenex flow, and prenex flow is prerequisite, posterior cord flow and is selected as needed
Select and whether arrange.
The pipeline section body is provided with sensor mounting hole 6, and sonac 2 is arranged on the sensor on pipeline section body 1 and installs
In hole 6, sonac 2 is matched with reflector.
At least provided with a pair of sensors installing hole 6 on described pipeline section body, and sonac is respectively mounted, center sleeve
4 are arranged between two sonacs 2, and center sleeve 4 is provided with the center sleeve fixing hole matched with sensor mounting hole 6
11；Reflector is arranged on the center sleeve 4 matched with 2 position of sonac.
The center sleeve 4, can be complete tubulose, and concordantly, its length is more than a pair of sensors installing hole 6 at both ends
The distance of centrage, is provided with hole on the corresponding center tube wall of sensor mounting hole, and reflector is fixed on sensor mounting hole pair
On 4 tube wall of center sleeve answered.
The center sleeve 4, can be incomplete tubulose, and at least one end is not concordant, and the tube wall of the end extends
To 6 corresponding position of sensor mounting hole, reflector is fixed on the tube wall that center sleeve 4 is extended at sensor mounting hole 6,
Center sleeve extends the length of tube wall together with which, more than the distance of 6 centrage of a pair of sensors installing hole.
The mid portion of the center sleeve, part internal diameter reduce, and reduce part 10 and constitute a Measurement channel, and ultrasound is passed
Sensor 2 is arranged on the both sides for reducing part 10, is easy to improve certainty of measurement.Center sleeve is provided with O-ring seal mounting groove 8, O
O-ring seal 7 is provided with type sealing ring mounting groove 8, as the sealing between pipeline section body and center sleeve.
The present embodiment line piece, is that single part is assembled with center sleeve.
The reflector both sides are provided with card, and the tube wall of center sleeve 4 is provided with the card groove 9 matched with card；Instead
The card of beam both sides is stuck in the card groove on center sleeve, completes the fixation of reflector, and card groove is at center
Position, angle on sleeve pipe, determines according to the position angle that sonac is matched with reflector.
Embodiment two：Referring to the drawings 7,8,9.
The 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
Diminution part be an entirety, it is indivisible, between two sections or three sections by grafting, the mode such as snap connection and be connected to one
Rise.Center sleeve is divided into three sections：Middle diminution part is one section, and the tube wall for reducing part front end is one section, after reducing part
The tube wall at end is one section.Center sleeve is divided into two sections：The tube wall for reducing part with wherein one end is one section, and other end tube wall is one
Section.
The center sleeve 4 be it is that the sonac 2 by being arranged on pipeline section body 1 is fixed and is positioned, or
Fix and position by the other functions part and structural member that are arranged on pipeline section body 1, such as temperature sensor, fixing pin, card
Button, screw thread etc..
Embodiment three, referring to the drawings 10.
Posterior cord flow 14 is directly shaped with 4 integrated through injection molding of center sleeve as inserts, is structure as a whole；Prenex flow 12 is single
Solely with center sleeve on line piece matching grooves, fit together；Then center sleeve is overall is assembled with pipeline section body again.The knot
Structure major advantage has：Posterior cord flow 14 is integrally formed with center sleeve, reduces assembling procedure, improves production efficiency；Posterior cord
Flow is integrally formed with center sleeve, and product size precision and concordance are good, are conducive to instrument measurement.
Example IV, referring to the drawings 11.
The 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 diminution part of centre, is another with front-reflection body 3 and prenex flow 12
Section；During assembling, first one section is loaded using interference fit with pipeline section body, or location and installation groove is set on pipeline section body and coordinated
Install, be then charged into another section and other parts.The 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
It is good, be conducive to instrument measurement.
Embodiment five, referring to the drawings 11.
The 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, middle diminution portion 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, remaining two-stage nitration and pipeline section body are adopted into interference then
Fitting into, or location and installation groove is arranged on pipeline section body carries out cooperation installation, finally loads other parts.The structure is mainly excellent
Point has：Center sleeve is divided into three parts, reduces part manufacture difficulty, beneficial to Product Cost Control.
Claims (10)
1. a kind of center sleeve of ultrasonic flow transducer and line piece package assembly, it is characterised in that：Comprising pipeline section body（1）、
Center sleeve（4）, reflector and line piece, be provided with center sleeve in pipeline section body（4）, reflector and line piece are directly anchored to
Center sleeve（4）On；The line piece groove matched with line piece is provided with the tube wall of center sleeve（13）, line piece both sides point
The line piece groove not being stuck on center sleeve（13）It is interior, complete the fixation of line piece.
2. a kind of center sleeve of ultrasonic flow transducer according to claim 1 and line piece package assembly, its feature
It is：Pipeline section body is provided with sensor mounting hole（6）, sonac（2）It is arranged on pipeline section body（1）On sensor mounting hole
（6）It is interior, sonac（2）Match with reflector.
3. a kind of center sleeve of ultrasonic flow transducer according to claim 2 and line piece package assembly, its feature
It is：At least provided with a pair of sensors installing hole on described pipeline section body（6）, and sonac is respectively mounted, center sleeve
（4）It is arranged on two sonacs（2）Between, center sleeve（4）It is provided with and sensor mounting hole（6）The center of matching
Pipe fixing hole（11）；Reflector is arranged on and sonac（2）The center sleeve that position matches（4）On.
4. a kind of center sleeve of the ultrasonic flow transducer according to claim 1 or 3 and line piece package assembly, which is special
Levy and be：The center sleeve（4）, it is complete tubulose, concordantly, its length is more than a pair of sensors installing hole at both ends（6）
The distance of centrage, is provided with hole on the corresponding center tube wall of sensor mounting hole, and reflector is fixed on sensor mounting hole pair
The center sleeve answered（4）On tube wall.
5. a kind of center sleeve of the ultrasonic flow transducer according to claim 1 or 3 and line piece package assembly, which is special
Levy and be：The center sleeve（4）, it is incomplete tubulose, at least one end is not concordant, and the tube wall of the end extends to biography
Sensor installing hole（6）Corresponding position, reflector are fixed on center sleeve（4）Extend to sensor mounting hole（6）The tube wall at place
On, center sleeve extends the length of tube wall together with which, more than a pair of sensors installing hole（6）The distance of centrage.
6. a kind of center sleeve of the ultrasonic flow transducer according to claim 1 or 3 and line piece package assembly, which is special
Levy and be：The 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
Diminution part be an entirety, it is indivisible, linked together by grafting, the mode of snapping connection between two sections or three sections.
7. a kind of center sleeve of ultrasonic flow transducer according to claim 1 and 2 and line piece package assembly, which is special
Levy and be：The line piece, is divided into prenex flow（12）With posterior cord flow（14）；The reflector, is divided into front-reflection body（3）With
Back reflector（15）, the reflector of water (flow) direction front end in pipeline section body, referred to as front-reflection body, water (flow) direction rear end in pipeline section body
Reflector, referred to as back reflector；Prenex flow, is arranged on before front-reflection body；Posterior cord flow, after being arranged on back reflector
Face.
8. a kind of center sleeve of ultrasonic flow transducer according to claim 7 and line piece package assembly, its feature
It is：The posterior cord flow（14）As inserts directly and center sleeve（4）Integrated through injection molding shapes, and is structure as a whole；Front line
Piece（12）Individually with center sleeve on line piece matching grooves, fit together.
9. a kind of center sleeve of ultrasonic flow transducer according to claim 7 and line piece package assembly, its feature
It is：The center sleeve is Split type structure, and center sleeve radially disconnects, and is divided into two sections, with posterior cord flow（14）With it is rear
Reflector（15）One section collectively constitute one section with middle diminution part, with front-reflection body（3）With prenex flow（12）'s
For another section.
10. a kind of center sleeve of ultrasonic flow transducer according to claim 7 and line piece package assembly, its feature
It is：The center sleeve is Split type structure, and center sleeve radially disconnects, and is divided into three sections, with posterior cord flow（14）With it is rear
Reflector（15）For first paragraph, middle diminution portion is second segment, with front-reflection body（3）With prenex flow（12）For
Three sections.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621081645.3U CN206056690U (en) | 2016-09-27 | 2016-09-27 | A kind of center sleeve of ultrasonic flow transducer and line piece package assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621081645.3U CN206056690U (en) | 2016-09-27 | 2016-09-27 | A kind of center sleeve of ultrasonic flow transducer and line piece package assembly |
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| CN206056690U true CN206056690U (en) | 2017-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021139034A1 (en) * | 2020-01-10 | 2021-07-15 | 青岛海威茨仪表有限公司 | Large-diameter ultrasonic flow meter |
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2016
- 2016-09-27 CN CN201621081645.3U patent/CN206056690U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021139034A1 (en) * | 2020-01-10 | 2021-07-15 | 青岛海威茨仪表有限公司 | Large-diameter ultrasonic flow meter |
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