CN205879270U - Ultrasonic flow sensor - Google Patents
Ultrasonic flow sensor Download PDFInfo
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- CN205879270U CN205879270U CN201620726533.2U CN201620726533U CN205879270U CN 205879270 U CN205879270 U CN 205879270U CN 201620726533 U CN201620726533 U CN 201620726533U CN 205879270 U CN205879270 U CN 205879270U
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- center sleeve
- reflector
- ultrasonic flow
- flow transducer
- pipeline section
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Abstract
The utility model relates to an ultrasonic flow sensor especially utilizes the ultrasonic testing technique, and liquid flow or the thermal flowmeter of liquid in meter buret says belong to acoustics, sensing technical field. Technical scheme is: containing a tub front section (1), central sleeve pipe (4) and reflector (3), being equipped with central sleeve pipe (4) in the pipe front section, reflector (3) snap -on is on central sleeve pipe (4). The utility model discloses it constructs to have simplified reflector (3) fixed knot, whole spare part quantity has been reduced, the assembly degree of difficulty between each part has been reduced, and whole packaging efficiency has been improved, it is more reasonable to make the flow sensor structure on the whole, it is simpler, production efficiency has still been improved greatly in reduction in production cost, and has the advantages of simple and reasonable structure, easy installation, high reliability, high measurement precision, characteristics such as strong adaptability, but wide application in supersound water gauge, the hotlist, among the flow sensor of flowmeter.
Description
Technical field
This utility model relates to a kind of ultrasonic flow transducer, in particular with ultrasonic detecting technology, liquid in metering conduit
Body 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.
Utility model content
This utility model purpose is to provide a kind of ultrasonic flow transducer, and reflector is fixing succinct, simple in construction, assembling side
Just quick, solid and reliable, building block is few, solves problem present in background technology.
The technical solution of the utility model is:
A kind of ultrasonic flow transducer, comprises pipeline section body, center sleeve and reflector, is provided with center sleeve in pipeline section body,
Reflector 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.
The definition of this utility model center sleeve and effect: described center sleeve, Main Function has two: one to be center sleeve
Two ends provide the carrier of fixation reflex body；Two is to be reduced by 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 reducing of the regular length for measuring 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；Its sectional area reducing part can also be able to be with homalographic change
Variable area changes.
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.
Assembling process of the present utility model: need the parts assembled to include: pipeline section body, two sonacs, one
Individual center sleeve, O RunddichtringO, two reflectors；First the assembling between center sleeve and two reflectors is completed: anti-
Beam both sides are provided with card, and the tube wall of center sleeve is provided with the groove mated with card, and the card of reflector both sides blocks respectively
In groove on center sleeve, completing the fixing of reflector, groove position on center sleeve, angle, according to ultrasonic biography
The position angle that sensor mates with reflector determines；Two reflectors are 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 this semi-finished product module is loaded in pipeline section body, pipe
Segment body is provided with pair of sensors installing hole, loads sonac, i.e. complete ultrasonic flow transducer in sensor mounting hole
Assembling.
This utility model simplifies reflector fixed structure, decreases overall amount of parts, reduces between each parts
Assembly difficulty and improve overall package efficiency, make on the whole flow sensor arrangement more rationally, simpler.
The beneficial effects of the utility model: owing to reflector direct-assembling is on the center sleeve of integrative-structure so that whole
Individual flow sensor arrangement and assembling are the simplest, reliable, also substantially increase production efficiency while reducing production cost.
This utility model patent 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 this utility model embodiment one structural representation；
Fig. 2 is this utility model embodiment one axle side sectional structure schematic diagram；
Fig. 3 is this utility model embodiment one pipeline section body structural representation；
Fig. 4 is this utility model embodiment one center sleeve structural representation；
Fig. 5 is this utility model embodiment one reflector perspective view；
Fig. 6 is this utility model embodiment one reflector side-looking structural representation；
Fig. 7 is structural representation after this utility model embodiment two reflector assembles with center sleeve；
Fig. 8 is that this utility model embodiment two reflector assembles pre-structure schematic diagram with center sleeve；
Fig. 9 is this utility model embodiment one center sleeve package assembly schematic diagram；
Figure 10 is other version reflector side-looking structural representation of this utility model embodiment three；
Figure 11 is other version reflector perspective view of this utility model embodiment three；
In figure: pipeline section body 1, sonac 2, reflector 3, center sleeve 4, pipeline section wall 5, sensor mounting hole 6, O type
Sealing ring 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, this utility model is described further
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.
The definition of this utility model center sleeve and effect: described center sleeve, Main Function has two: one to be center sleeve
Two ends provide the carrier of fixation reflex body；Two is to be reduced by 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 reducing of the regular length for measuring 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；Its sectional area reducing part can also be able to be with homalographic change
Variable area changes.
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.
Assembling process of the present utility model:
The parts assembled are needed to include: 1, two sonacs of a pipeline section body, center sleeve, an O type
7, two reflectors of sealing ring；
Complete the assembling between center sleeve and two reflectors: reflector 3 both sides are provided with card, the pipe of center sleeve
Wall 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 anti-
Beam fixing, groove position on center sleeve, angle, true according to the position angle that sonac mates with reflector
Fixed；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 being loaded in pipeline section body 1 by this semi-finished product module, pipeline section body is provided with pair of sensors installing hole, sensor
Load sonac 2 in installing 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 (9)
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)；At least provided with one on described pipeline section body
To sensor mounting 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.
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 1, it is characterised in that: described center sleeve (4), is complete
Tubulose, both ends are concordant, and its length is more than the distance of pair of sensors installing hole (6) centrage, and sensor mounting hole is corresponding
Center tube wall on have hole, reflector is fixed on sensor mounting hole corresponding center sleeve (4) tube wall.
A kind of ultrasonic flow transducer the most according to claim 1, it is characterised in that: described center sleeve (4), cannot not be complete
Whole 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, reflection
Body is fixed on center sleeve (4) and extends on the tube wall at sensor mounting hole (6) place, and center sleeve extends the length of tube wall together with it
Degree, more than the distance of pair of sensors installing hole (6) centrage.
A kind of ultrasonic flow transducer the most according to claim 1, it is characterised in that: the pars intermedia of described center sleeve
Point, 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 (7) in O RunddichtringO mounting groove (8),
As the sealing between pipeline section body and center sleeve.
A kind of ultrasonic flow transducer the most according to claim 1, it is characterised in that: described center sleeve is integrated knot
Structure, middle reducing is the most one-body molded with both ends.
A kind of ultrasonic flow transducer the most according to claim 1, it is characterised in that: described center sleeve is split knot
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, and two
Linked together by grafting, the mode of snapping connection between section or three sections.
A kind of ultrasonic flow transducer the most according to claim 1, it is characterised in that: described reflector (3) is such as convex surface
Hemispherical.
A kind of ultrasonic flow transducer the most according to claim 1, it is characterised in that: described reflector (3) both sides are provided with
Card, the tube wall of center sleeve is provided with the groove (9) mated with card, and the card of reflector (3) both sides is stuck in center
In groove (9) on sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620726533.2U CN205879270U (en) | 2016-07-12 | 2016-07-12 | Ultrasonic flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620726533.2U CN205879270U (en) | 2016-07-12 | 2016-07-12 | Ultrasonic flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205879270U true CN205879270U (en) | 2017-01-11 |
Family
ID=57695443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620726533.2U Active CN205879270U (en) | 2016-07-12 | 2016-07-12 | Ultrasonic flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205879270U (en) |
-
2016
- 2016-07-12 CN CN201620726533.2U patent/CN205879270U/en active Active
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