CN105973326A - Ultrasound flow sensor structure and assembling positioning method thereof - Google Patents
Ultrasound flow sensor structure and assembling positioning method thereof Download PDFInfo
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- CN105973326A CN105973326A CN201610542465.9A CN201610542465A CN105973326A CN 105973326 A CN105973326 A CN 105973326A CN 201610542465 A CN201610542465 A CN 201610542465A CN 105973326 A CN105973326 A CN 105973326A
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- center sleeve
- pipeline section
- section body
- hole
- mounting hole
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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
Abstract
The invention relates to an ultrasound flow sensor structure and an assembling positioning method thereof and belongs to the technical field of acoustics and sensing. The technical scheme is that the ultrasound flow sensor structure comprises a pipe section body (1), an ultrasound sensor (2) and a center sleeve (4). The pipe section body (1) is provided with a sensor mounting hole (6), the center sleeve (4) is provided with a center sleeve fixing hole matched with the sensor mounting hole (6), the center sleeve (4) is arranged in the pipe section body (1), and the ultrasound sensor (2) in the sensor mounting hole enables the center sleeve to be fixed and positioned in the pipe section body (1) through the center sleeve fixing hole (11). A positioning structure 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 ultrasound flow sensor structure is more reasonable and simpler in structure. The production efficiency is further greatly improved while the production cost is reduced. The ultrasound flow sensor structure 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 structure and method for assembling and positioning thereof, in particular with ultrasound detection skill
Art, in metering conduit, fluid flow or the effusion meter of liquid heat, belong to acoustics, field of sensing technologies.
Background technology
At present, existing ultrasonic flow transducer structure, the most small-bore ultrasonic flow transducer the most all uses dependence
Reflector reflection carries out the mode of transonic and measures, and reflector has the various forms such as lamellar, column, reflector one
As rely on inserts fix or directly rely on reflector itself coordinate with pipeline section body fix, as I apply for patent: " there is line
The ultrasonic flow rate of function, Calorimeter Converter Using For Measuring Pipe Run ", China Patent No. ZL201020275319.2, it is simply that rely on anti-
Between beam and pipeline section body, interference fit is fixed；Also have reflector to be dependent on two two half cut open in the vertical to hold tightly
Fixing, such as China Patent No. 200810176267.0；Also having reflector is column, relies on cylinder and the pipe of column reflector
The circular hole matched on segment body is fixed.In use there is matching requirements precision height, flow in above-mentioned ultrasonic flow transducer structure
The shortcomings such as sensor 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 structure and method for assembling and positioning thereof, simple and practical, structure
Rationally, easy for installation, location is reliable, and building block is few, solves problem present in background technology.
The technical scheme is that
A kind of ultrasonic flow transducer structure, comprises pipeline section body, sonac, center sleeve, and pipeline section body is provided with sensor
Installing hole, center sleeve is provided with the center sleeve fixing hole matched with sensor mounting hole, and center sleeve is arranged on pipeline section
Internal, center sleeve, by center sleeve fixing hole, is fixed and is positioned at pipeline section by the sonac in sensor mounting hole
Internal.
Being provided with reflector in described pipeline section body, sonac matches with the reflector in pipeline section body, and reflector is solid
It is scheduled on center sleeve.
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, reflector is separately positioned 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 put in the both sides reducing part, it is simple to improve certainty of measurement.O RunddichtringO it is provided with between center sleeve and pipeline section body.
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 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 9 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, weld, be molded embedding
The modes such as part is fixing are fixed.
A kind of ultrasonic flow transducer structure, comprises pipeline section body, sonac, center sleeve, and pipeline section body is provided with biography
Sensor installing hole, center sleeve is provided with the center sleeve fixing hole matched with sensor mounting hole, and center sleeve is arranged on
In pipeline section body, being provided with positioning body between sensor mounting hole and center sleeve fixing hole, center sleeve is fixed and determines by positioning body
Position is in pipeline section body；Sonac is arranged in sensor mounting hole.
Described positioning body, including positioning sleeve or alignment pin or spacer etc..
A kind of ultrasonic flow transducer structure, comprises pipeline section body, sonac, center sleeve, and pipeline section body is provided with biography
Sensor installing hole, center sleeve is provided with the center sleeve fixing hole matched with sensor mounting hole, and center sleeve is arranged on
In pipeline section body, fixed by functional part or structure member between pipeline section body and center sleeve, center sleeve is positioned at pipeline section
Internal；Sonac is arranged in sensor mounting hole.
Described functional part, including temperature sensor etc., the center sleeve in sensor mounting hole and center sleeve is fixed
Hole, is all vertical and penetrating with the axis of pipeline section body, the pipeline section body pipeline section wall that namely sensor mounting hole centrage is corresponding
On also have hole one, the center tube wall that center sleeve fixing hole centrage on center sleeve is corresponding also has hole two, temperature
Degree sensor is arranged through hole one and hole two, is fixed on pipeline section body by center sleeve simultaneously.
Described structure member, including fixing pin or buckle or screw thread etc., is fixed on center sleeve on pipeline section body.
The method for assembling and positioning of a kind of ultrasonic flow transducer structure, 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 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 being loaded in pipeline section body by this semi-finished product module, pipeline section body is provided with pair of sensors installing hole, on center sleeve
It is provided with the center sleeve fixing hole matched with sensor mounting hole, in sensor mounting hole, loads sonac, ultrasonic biography
Center sleeve, by the center sleeve fixing hole on center sleeve, is fixed and is positioned in pipeline section body, completing hypersonic flow by sensor
The assembling of quantity sensor.
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.
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；Two reflectors are separately fixed at center sleeve two ends
Tube wall on.
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.
This invention simplifies the location of center sleeve, simplify reflector fixed structure, decrease overall amount of parts,
Reduce the assembly difficulty between each parts and improve overall package efficiency, making flow sensor arrangement more close on the whole
Reason, simpler.
Beneficial effects of the present invention: owing to simplifying the location of center sleeve, reflector direct-assembling is at integrative-structure
On center sleeve so that whole flow sensor arrangement and assembling are the simplest, reliable, the biggest while reducing production cost
Improve greatly production efficiency.Patent of the present invention have simple and reasonable, easy for installation, reliability is high, certainty of measurement is high, adapt to
Property the feature such as strong, can be widely applied 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, two pipeline section body structural representation；
Fig. 4 is the embodiment of the present invention one, two 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 that the embodiment of the present invention three relies on temperature sensor fixed center sleeve structure schematic diagram；
Fig. 8 is that the embodiment of the present invention four relies on fixing pin fixed center sleeve structure schematic diagram；
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, temperature sensor 12, fixing pin
13, hole 1, hole 2 15.
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.
A kind of ultrasonic flow transducer structure, comprises pipeline section body 1, sonac 2, center sleeve 4, pipeline section body 1 sets
Sensor mounting hole 6, center sleeve 4 is had to be provided with the center sleeve fixing hole matched with sensor mounting hole 6, center sleeve
4 are arranged in pipeline section body 1, and the sonac 2 in sensor mounting hole 6 is by center sleeve fixing hole 11, by center sleeve 4
Fix and be positioned in pipeline section body 1.
Being provided with reflector 3 in described pipeline section body, sonac 2 matches with the reflector 3 in pipeline section body, reflector
It is fixed on center sleeve 4.
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 reflector 3 is separately positioned on the center sleeve matched with sonac 2 position
On 4.
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.It is provided with O type between center sleeve and pipeline section body to seal
Circle.
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 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.
Between reflector 3 and center sleeve 4, it is also possible to be to fix otherwise, as by bonding, weld, be molded
The modes such as inserts is fixing are fixed.
Embodiment two: referring to the drawings 3,4.
A kind of ultrasonic flow transducer structure, comprises pipeline section body 1, sonac 2, center sleeve 4, pipeline section body 1 sets
Sensor mounting hole 6, center sleeve 4 is had to be provided with the center sleeve fixing hole 11 matched with sensor mounting hole 6, center
Pipe 4 is arranged in pipeline section body 1, is provided with positioning body between sensor mounting hole 6 and center sleeve fixing hole 11, and positioning body is by center
Sleeve pipe 4 is fixed and is positioned in pipeline section body 1；Sonac 2 is arranged in sensor mounting hole 6.
Described positioning body, including positioning sleeve or alignment pin or spacer etc..
Embodiment three, four, referring to the drawings 7,8.
A kind of ultrasonic flow transducer structure, comprises pipeline section body 1, sonac 2, center sleeve 4, pipeline section body 1 sets
Sensor mounting hole 6, center sleeve 4 is had to be provided with the center sleeve fixing hole 11 matched with sensor mounting hole 6, center
Pipe 4 is arranged in pipeline section body 1, is fixed by functional part or structure member, by center between pipeline section body 1 and center sleeve 4
Pipe 4 is positioned in pipeline section body 1；Sonac 2 is arranged in sensor mounting hole 6.
Embodiment three, referring to the drawings 7；Described functional part, including temperature sensor 12, sensor mounting hole 6 and center
Center sleeve fixing hole on sleeve pipe, is all vertical and penetrating with the axis of pipeline section body, namely sensor mounting hole 6 center
Also hole 1 is had, the center that center sleeve fixing hole centrage on center sleeve is corresponding on the pipeline section body pipeline section wall that line is corresponding
Also having hole 2 15 on casing wall, temperature sensor is arranged through hole one and hole two, and center sleeve is fixed on pipeline section body simultaneously
On.
Embodiment four, referring to the drawings 8；Described structure member, including fixing pin 13, is fixed on pipeline section by center sleeve 4
On body 1.Fixing pin 13 can also coordinate temperature sensor 12 to position center sleeve 4 together.
The method for assembling and positioning of a kind of ultrasonic flow transducer structure, 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；
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, center sleeve 4
It is provided with the center sleeve fixing hole matched with sensor mounting hole 6, in sensor mounting hole, loads sonac 2, super
Center sleeve 4, by the center sleeve fixing hole on center sleeve 4, is fixed and is positioned in pipeline section body 1 by sonic transducer 2, complete
Become 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.
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；Two reflectors are separately fixed at center sleeve
On the tube wall at two ends.
Claims (10)
1. a ultrasonic flow transducer structure, it is characterised in that: comprise pipeline section body (1), sonac (2), center sleeve
(4), pipeline section body (1) is provided with sensor mounting hole (6), and center sleeve (4) is provided with and matches with sensor mounting hole (6)
Center sleeve fixing hole (11), center sleeve (4) is arranged in pipeline section body (1), the sonac in sensor mounting hole (6)
(2) by center sleeve fixing hole (11), center sleeve (4) is fixed and is positioned in pipeline section body (1).
A kind of ultrasonic flow transducer structure the most according to claim 1, it is characterised in that: it is provided with reflector in pipeline section body
(3), sonac (2) matches with the reflector (3) in pipeline section body, and reflector is fixed on center sleeve (4).
A kind of ultrasonic flow transducer structure the most according to claim 1 and 2, it is characterised in that: on described pipeline section body
At least provided with pair of sensors installing hole (6), and being respectively mounted sonac, center sleeve (4) is arranged on two ultrasonic biographies
Between sensor (2), reflector (3) is separately positioned on the center sleeve (4) matched with sonac (2) position.
4. according to a kind of ultrasonic flow transducer structure described in claim 1 or 3, it is characterised in that: described center sleeve
Mid portion, part internal diameter reduces, and reduces part (10) and constitutes a Measurement channel, and sonac (2) is arranged on the portion of reducing
Divide the both sides of (10)；Center sleeve is provided with O RunddichtringO mounting groove (8), is provided with O type and seals in O RunddichtringO mounting groove (8)
Circle (7), as the sealing between pipeline section body and center sleeve.
5. a ultrasonic flow transducer structure, it is characterised in that: comprise pipeline section body (1), sonac (2), center sleeve
(4), pipeline section body (1) is provided with sensor mounting hole (6), and center sleeve (4) is provided with and matches with sensor mounting hole (6)
Center sleeve fixing hole (11), center sleeve (4) is arranged in pipeline section body (1), and sensor mounting hole (6) is fixed with center sleeve
Hole is provided with positioning body between (11), and center sleeve (4) is fixed and is positioned in pipeline section body (1) by positioning body；Sonac (2)
It is arranged in sensor mounting hole (6).
A kind of ultrasonic flow transducer structure the most according to claim 5, it is characterised in that: described positioning body, including fixed
Position set or alignment pin or spacer.
7. a ultrasonic flow transducer structure, it is characterised in that: comprise pipeline section body (1), sonac (2), center sleeve
(4), pipeline section body (1) is provided with sensor mounting hole (6), and center sleeve (4) is provided with and matches with sensor mounting hole (6)
Center sleeve fixing hole (11), center sleeve (4) is arranged in pipeline section body (1), logical between pipeline section body (1) and center sleeve (4)
Cross functional part or structure member is fixed, center sleeve (4) is positioned in pipeline section body (1)；Sonac (2) is arranged on biography
In sensor installing hole (6).
A kind of ultrasonic flow transducer structure the most according to claim 7, it is characterised in that: described functional part, including
Temperature sensor (12), the center sleeve fixing hole in sensor mounting hole (6) and center sleeve, be all and the axis of pipeline section body
Vertical and penetrating, the pipeline section body pipeline section wall that namely sensor mounting hole (6) centrage is corresponding also has hole one (14), in
Also having hole two (15) on the center tube wall that center sleeve fixing hole centrage on heart sleeve pipe is corresponding, temperature sensor passes
Hole one and hole two are arranged, are fixed on pipeline section body by center sleeve simultaneously.
A kind of ultrasonic flow transducer structure the most according to claim 7, it is characterised in that: described structure member, including
Fixing pin (13) or buckle or screw thread, be fixed on center sleeve (4) on pipeline section body (1).
10. the assemble method of a ultrasonic flow transducer structure, it is characterised in that comprise following processing step:
The parts assembled are needed to include: pipeline section body (1), two sonacs, center sleeve, O types seal
Circle (7), two reflectors；
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, center sleeve
(4) sonac is loaded in being provided with the center sleeve fixing hole matched with sensor mounting hole (6), sensor mounting hole
(2), center sleeve (4), by the center sleeve fixing hole on center sleeve (4), is fixed and is positioned at by sonac (2)
In pipeline section body (1), complete the assembling of ultrasonic flow transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542465.9A CN105973326A (en) | 2016-07-12 | 2016-07-12 | Ultrasound flow sensor structure and assembling positioning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542465.9A CN105973326A (en) | 2016-07-12 | 2016-07-12 | Ultrasound flow sensor structure and assembling positioning method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105973326A true CN105973326A (en) | 2016-09-28 |
Family
ID=56952300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610542465.9A Pending CN105973326A (en) | 2016-07-12 | 2016-07-12 | Ultrasound flow sensor structure and assembling positioning method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN105973326A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617858A (en) * | 2019-09-24 | 2019-12-27 | 汇中仪表股份有限公司 | Ultrasonic sensor arrangement method for flow measurement |
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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 |
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| CN110617858A (en) * | 2019-09-24 | 2019-12-27 | 汇中仪表股份有限公司 | Ultrasonic sensor arrangement method for flow measurement |
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Application publication date: 20160928 |
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