CN106679749A - Central sleeve flow constraint structure for ultrasonic water meter, heat meter and flowmeter and method - Google Patents
Central sleeve flow constraint structure for ultrasonic water meter, heat meter and flowmeter and method Download PDFInfo
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- CN106679749A CN106679749A CN201710120215.0A CN201710120215A CN106679749A CN 106679749 A CN106679749 A CN 106679749A CN 201710120215 A CN201710120215 A CN 201710120215A CN 106679749 A CN106679749 A CN 106679749A
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- Prior art keywords
- center sleeve
- line
- line part
- center
- sleeve
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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
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
- G01K17/06—Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to a central sleeve flow constraint structure for an ultrasonic water meter, a heat meter and a flowmeter and a method and belongs to the technical field of acoustics and sensors. According to the technical scheme, the central sleeve flow constraint structure comprises a central sleeve and a flow constraint part (3), wherein the central sleeve is tubular, the inner diameter of the middle part of the central sleeve is reduced and is a reduced part (6), and a central tubular cavity of the reduced part (6) is a flow measuring channel (2). The flow constraint part is arranged on the upstream side outside the flow measuring channel (2) at least and is installed and positioned on the inner wall of the central sleeve. The central sleeve flow constraint structure has the advantages that the flow constraint part is added to the central sleeve, accordingly a whole meter structure is simplified, meanwhile a meter assembling process is also simplified, the production efficiency is further remarkably improved while the overall production cost of the meters is reduced, a flow constraint effect is improved, and the central sleeve flow constraint structure is very suitable for large-scale automatic product production.
Description
Technical field
The present invention relates to a kind of Ultrasonic water meter, calorimeter, flowmeter center sleeve line structure and method, for measuring
The Ultrasonic water meter of fluid flow, calorimeter, flowmeter in pipeline, belong to acoustics, sensor technical field.
Background technology
At present, existing Ultrasonic water meter, calorimeter, flowmeter, particularly small-bore instrument（Small-bore instrument, refers to surveying
Instrument of the internal diameter in buret road less than or equal to 100mm）, the reflector of sensor is arranged in pipeline, and what is be mutually matched for a pair is anti-
Pipeline section between beam is Measurement channel, in order to solve the problems, such as small flow-speed measurement, sensor reflection can be all mutually matched at a pair
Flow measurement aisle spare is reduced between body, for measured medium flow velocity can be improved under the conditions of same traffic, is conducive to ultrasonic measurement
The raising of resolution ratio, so that instrument measurement precision is improved, for example：The patented technology that the applicant has applied, a pair mutual
Between the sensor reflector matched somebody with somebody, center sleeve is set, center sleeve reduces the area of flow measurement passage, and by center sleeve
To sensor reflector stationary positioned.Meanwhile, in order to improve fluids within pipes fluidised form, it is to avoid in some cases（As in instrument
Not enough, instrument upstream is equipped with elements such as elbow, valves for trip flow development length）The fluidised form for causing is unstable and influences instrument measurement,
Prior art treating method is essentially all to be mutually matched in the upstream line of sensor reflector at a pair, extra to assemble or pacify
The parts such as dress aligner, rectifier, line plate.There is problem in prior art：Sensor reflector is mutually matched at a pair
Line part is installed, it is necessary to be assembled in pipeline or installed in upstream and downstream, narrow space larger by surrounding environment influence, group
Dress technics comparing complexity, low production efficiency, production cost are high, are not suitable for producing in enormous quantities, in addition, line effect is also undesirable.
The content of the invention
It is an object of the present invention to provide a kind of Ultrasonic water meter itself with beam function, calorimeter, flowmeter center
Tube bank flow structure and method, it is simple structure, easy to assembly, both solve the problems, such as to improve fluidised form, also solve small flow-speed measurement and ask
Topic, improve production efficiency, reduces cost solves problem present in background technology.
The technical scheme is that：
A kind of Ultrasonic water meter, calorimeter, flowmeter center sleeve line structure, comprising center sleeve and line part, center
Sleeve pipe is tubulose, and the center section of center sleeve, internal diameter reduces, and to reduce part, reduces the central lumen of part for flow measurement is logical
Road；The line part is at least arranged in the upstream side outside flow measurement passage, and line part installs the inwall for being centrally located sleeve pipe
On.
The center sleeve is tubulose, is integrally divided into three parts, and the center section of center sleeve is diminution part, diminution portion
Divide the center sleeve of both sides, internal diameter to expand, be enlarged.
The line part, its shape and quantity be all it is arbitrary, for example：The line piece of sheet is shaped as, along center
The axial direction of pipe（Water (flow) direction）Arrangement, quantity is four.
The line part is made up with center sleeve of the form of integrated injection molding, and center sleeve is overall with line part
Structure, line part collectively forms center sleeve component with center sleeve.
The line part is Split type structure with center sleeve, and center sleeve and line part individually shape, then
Line part assembles positioning with center sleeve, and line part collectively forms center sleeve component with center sleeve；For example：Line portion
Part is with center sleeve by the mode stationary positioned such as draw-in groove, Nian Jie, screw, insert injection moulding.
The line part, can be the interrupted structure being located along the same line, that is, by the multistage on same straight line
Parts group turns into line part；For example：Line part is line piece, and multistage line piece is located along the same line arrangement.
The line part, or combined by multi-disc line plate is constituted；For example：Four line plates are combined into
Section is cross line part, line plate along center sleeve axial direction（Water (flow) direction）Arrangement.
The line part, can also be uniform through hole line sieve, line sieve sieve nest along center sleeve radial direction（Hang down
Directly in water (flow) direction）Arrangement, the sieve aperture of line sieve is parallel with water (flow) direction.
Sonac mounting hole is provided with the enlarged of the center sleeve, sonac is set by mounting hole
Reflector, is mutually matched sensor reflector for a pair and is arranged in the flow measurement passage both sides for reducing part.
The center sleeve can also be other forms, and such as center sleeve uses inserts form integrated injection molding with reflector
Shaping, only includes the diminution part of Measurement channel on center sleeve, do not have enlarged and sonac mounting hole.
The present invention includes following several embodiments：
1. the line part is arranged in the center sleeve enlarged of flow measurement passage outside upstream side, the shape of line part
Sheet, line part since the end of enlarged, in axial direction（That is water (flow) direction）Extend to the end for reducing part
Portion；Namely line part does not stretch out the end of center sleeve, and diminution part is not entered yet, and its length is less than or equal to center sleeve
The length of enlarged.
Line number of components is multi-disc.Can be evenly arranged along line part circumferencial direction, it is also possible to nonuniform mutation operator.Beam
The height of stream unit can be less than the central lumen for reducing part, it is also possible to greater than or equal to the central lumen for reducing part.
Center sleeve enlarged is provided with reflector mounting groove, and reflector passes through reflector mounting groove stationary positioned.
Said structure can also be arranged in the center sleeve enlarged in flow measurement passage outside downstream.
Said structure can also simultaneously be arranged in the center sleeve enlarged of flow measurement passage outside downstream and upstream side
On.
2. the line part, in axial direction（That is water (flow) direction）Arrangement is centrally located in sleeve pipe enlarged, beam
The end of center sleeve is stretched out in the end of stream unit, that is, stretches out the end of enlarged；Or, the end of line part is stretched
Enter in the flow measurement passage of center sleeve；Or the end of center sleeve is stretched out in one end of line part, the other end stretches into center
In the flow measurement passage of pipe.
The entire length of line part, can be more than or equal to the length of center sleeve enlarged, it is also possible to less than center
The length of sleeve pipe enlarged.
Line number of components is multi-disc.Can be evenly arranged along line part circumferencial direction, it is also possible to nonuniform mutation operator.Beam
The height of stream unit can be less than the central lumen for reducing part, it is also possible to greater than or equal to the central lumen for reducing part.
Said structure can also be arranged in the center sleeve enlarged in flow measurement passage outside downstream.
Said structure can also simultaneously be arranged in the center sleeve enlarged of flow measurement passage outside downstream and upstream side
On.
3. line part is in axial direction（That is water (flow) direction）Through whole center sleeve.
Each line part is an entirety, through the diminution part of center sleeve and enlarged, the end of line part
Portion can be concordant with center sleeve end, it is also possible to more than or less than center sleeve end position.
The line number of components is multi-disc.Can be evenly arranged along line part circumferencial direction, it is also possible to non-homogeneous cloth
Put.The height of line part can be less than the central lumen for reducing part, it is also possible to greater than or equal to the central tube for reducing part
Chamber.
4. the center sleeve enlarged is provided with draw-in groove, and line part is stuck in draw-in groove and is fixed on the positioning.
Can along enlarged end multiple draw-in grooves provided circumferentially about, one draw-in groove of each line parts match, consolidate
It is fixed.
If line part is by multi-disc line plate integrated injection molding, line part is integrally positioned at the card of enlarged
On groove.For example：Four line plate integrated injection moldings, constitute line part, and its section is in integrally cross, enlarged end
Four draw-in grooves are circumferentially provided with, criss-cross four ends of line part are respectively clamped into four draw-in grooves and are fixed on the positioning.
If line part is the line sieve of uniform through hole, line sieve is overall to be positioned on the draw-in groove of enlarged.Or,
The excircle of line sieve is provided with locating dowel, and locating dowel is positioned on the draw-in groove of enlarged.
A kind of Ultrasonic water meter, calorimeter, flowmeter center sleeve line method, comprise the following steps：
1. center sleeve is tubulose, is integrally divided into three parts, and the center section of center sleeve, internal diameter reduces, to reduce part, contracting
The central lumen of fraction is flow measurement passage, reduces the center sleeve of part both sides, and internal diameter expands, and is enlarged；
2. line part is at least arranged in the upstream side outside flow measurement passage, and line part installs the inwall for being centrally located sleeve pipe
On, line part is provided with center sleeve, constitute center sleeve component；
3. center sleeve component is passed through into pipeline（Measurement pipeline section）Port installed, be fixed in pipeline, center sleeve exists
While lifting measured medium flow velocity, with beam function.
Sonac mounting hole is provided with the enlarged of the center sleeve, sonac is set by mounting hole
Reflector, is mutually matched sensor reflector for a pair and is arranged in the flow measurement passage both sides for reducing part.
Line part in the center sleeve, is a center sleeve for entirety with center sleeve integrated injection molding
Component, installs sonac reflector, then directly by with line part and reflector in center sleeve component
Heart sleeve pipe, by pipeline（Measurement pipeline section）Port installed, be fixed in pipeline.
Line part in the center sleeve, is Split type structure with center sleeve and sonac reflector, first
Fixing bundle stream unit is assembled in center sleeve, as center sleeve component, assembling sonac is anti-in center sleeve component
Beam, then by the center sleeve with line part and reflector, by pipeline（Measurement pipeline section）Port installed, Gu
It is scheduled in pipeline.
The present invention by center sleeve increase line part, make center sleeve lifted measured medium flow velocity while
Beam function is increased again, instrument overall structure is simplified so that instrument overall structure is simpler, reasonable.Due to center sleeve
It is upper itself to there is line part（Can be with center sleeve integrated injection molding, it is also possible to which separable assembled is fixed）, and reflector is
Assembled in advance outside pipeline, so its whole assembling process is easy to operate, technology difficulty is low；Then, will be with line part
Center sleeve structure with reflector is integrally put into pipeline, that is, complete the assembling of instrument, and its technology difficulty is significantly lower than existing
Technology, assembling is more convenient, packaging efficiency is high, is especially suitable for producing in enormous quantities.The present invention be mutually matched sensor reflector it
Between line, its line effect outside reflector also apparently higher than carrying out line.
Beneficial effects of the present invention：Due to increasing line part on center sleeve, so as to simplify instrument overall structure,
Instrument packaging technology is also simplify simultaneously, big panel height production efficiency is also put forward while instrument entirety production cost is reduced, carried
Line effect high, is very beneficial for the high-volume automated production of product.
Brief description of the drawings
Fig. 1 is prior art center sleeve cross section structure diagram；
Fig. 2 is the cross section structure diagram of the embodiment of the present invention one；
Fig. 3 is the assembling structure schematic diagram of the embodiment of the present invention one；
Fig. 4 is the structural representation of the embodiment of the present invention two；
Fig. 5 is the structural representation of the embodiment of the present invention three；
Fig. 6 is the structural representation of the embodiment of the present invention four；
Fig. 7 is the structural representation of the embodiment of the present invention five；
Fig. 8 is the structural representation of the embodiment of the present invention six；
Fig. 9 is the structural representation of the embodiment of the present invention seven；
Figure 10 is the structural representation of the embodiment of the present invention eight；
In figure：Reflector 1, Measurement channel 2, line part 3, reflector mounting groove 4, sonac mounting hole 5, diminution part
6th, enlarged 7, draw-in groove 8, line plate 9, line sieve 10, locating dowel 11, diversion column 12.
Specific embodiment
Below in conjunction with accompanying drawing, by embodiment, the present invention will be further described.
A kind of Ultrasonic water meter, calorimeter, flowmeter center sleeve line structure, comprising center sleeve and line part 3,
Center sleeve is tubulose, and the center section of center sleeve, internal diameter reduces, and to reduce part 6, the central lumen for reducing part 6 is
Flow measurement passage 2；The line part is at least arranged in the upstream side outside flow measurement passage 2, and line part 3 is installed and is centrally located set
On the inwall of pipe.
The center sleeve is tubulose, is integrally divided into three parts, and the center section of center sleeve reduces to reduce part 6
The center sleeve of part both sides, internal diameter expands, and is enlarged 7.
The line part 3, its shape and quantity be all it is arbitrary, for example：The line piece of sheet is shaped as, along center
The axial direction of pipe（Water (flow) direction）Arrangement, quantity is four.
The line part 3 is made up with center sleeve of the form of integrated injection molding, and center sleeve is whole with line part 3
Body structure, line part 3 collectively forms center sleeve component with center sleeve.
The line part 3 is Split type structure with center sleeve, and center sleeve and line part 3 individually shape, so
Posterior cord stream unit 3 assembles positioning with center sleeve, and line part 3 collectively forms center sleeve component with center sleeve；For example：Beam
Stream unit 3 is with center sleeve by the mode stationary positioned such as draw-in groove, Nian Jie, screw, insert injection moulding.
The line part 3, can be the interrupted structure being located along the same line, that is, by the multistage on same straight line
Parts group turns into line part 3；For example：Line part 3 is line piece, and multistage line plate is located along the same line arrangement.
The line part 3, or combined by multi-disc line plate is constituted；For example：Four line plate combinations
Be cross line part 3 into section, line plate along center sleeve axial direction（Water (flow) direction）Arrangement.
The line part 3, can also be uniform through hole line sieve, line sieve sieve nest along center sleeve radial direction
（Perpendicular to water (flow) direction）Arrangement, the sieve aperture of line sieve is parallel with water (flow) direction.
Sonac mounting hole 5 is provided with the enlarged 7 of the center sleeve, ultrasonic sensing is set by mounting hole
Device reflector 1, is mutually matched sensor reflector 1 for a pair and is arranged in the both sides of flow measurement passage 2 for reducing part.
A kind of Ultrasonic water meter, calorimeter, flowmeter center sleeve line method, comprise the following steps：
1. center sleeve is tubulose, is integrally divided into three parts, and the center section of center sleeve, internal diameter reduces, to reduce part 6,
The central lumen for reducing part 6 is flow measurement passage 2, reduces the center sleeve of the both sides of part 6, and internal diameter expands, and is enlarged 7；
2. line part 3 is at least arranged in the upstream side outside flow measurement passage 2, and line part 3 is installed and is centrally located the interior of sleeve pipe
On wall, line part 3 is provided with center sleeve, constitutes center sleeve component；
3. center sleeve component is passed through into pipeline（Measurement pipeline section）Port installed, be fixed in pipeline, center sleeve exists
While lifting measured medium flow velocity, with beam function.
Sonac mounting hole 5 is provided with the enlarged 7 of the center sleeve, ultrasonic sensing is set by mounting hole
Device reflector 1, is mutually matched sensor reflector 1 for a pair and is arranged in the both sides of flow measurement passage 2 for reducing part.
Line part 3 in the center sleeve, is a center sleeve for entirety with center sleeve integrated injection molding
Component, installs sonac reflector 1 in center sleeve component, then directly by with line part 3 and reflector 1
Center sleeve, by pipeline（Measurement pipeline section）Port installed, be fixed in pipeline.
Line part 3 in the center sleeve, is Split type structure with center sleeve and sonac reflector 1, first
Fixing bundle stream unit 3 is first assembled in center sleeve, as center sleeve component, assembling sonac in center sleeve component
Reflector 1, then by the center sleeve with line part 3 and reflector 1, by pipeline（Measurement pipeline section）Port pacified
Dress, is fixed in pipeline.
Embodiment one, referring to the drawings 2,3.
The line part 3 is arranged in the center sleeve enlarged 7 of the outside upstream side of flow measurement passage 2, line part 3
Shape be sheet, line part 3 since the end of enlarged 7, in axial direction（That is water (flow) direction）Extend to diminution
The end of part 6；Namely line part 3 does not stretch out the end of center sleeve, diminution part is not entered yet, during its length is equal to
The length of heart sleeve pipe enlarged 7.
The quantity of line part 3 is four.Along the circumferencial direction nonuniform mutation operator of line part 3.The height of line part 3 is equal to
Reduce the central lumen of part.
The enlarged 7 of center sleeve is provided with reflector mounting groove 4, and reflector 1 fixes fixed by reflector mounting groove 4
Position.Reflector 1 is fixed in center sleeve enlarged 7 according to the installation direction in accompanying drawing.
Embodiment two, referring to the drawings 4.
The line part 3, in axial direction（That is water (flow) direction）Arrangement is centrally located in sleeve pipe enlarged 7, beam
The end of center sleeve is stretched out in the end of stream unit 3, that is, stretches out the end of enlarged 7；One end of line part 3 is stretched out
The end of center sleeve, the other end is not stretched into the flow measurement passage 2 of center sleeve.
The entire length of line part 3, more than the length of center sleeve enlarged 7.
The quantity of line part 3 is four, is evenly arranged along the circumferencial direction of line part 3.The height of line part 3 is less than contracting
The central lumen of fraction.
Embodiment three, referring to the drawings 5.
In the present embodiment, line part 3 is arranged in the outside upstream side of flow measurement passage 2 and downstream, and line part 3 is positioned
It is fixed in the enlarged 7 of center sleeve, the shape of line part 3 is sheet（Tabular）, line part 3 is from enlarged 7
End start, in axial direction extend to reduce part 6 end；Namely line part 3 does not stretch out the end of center sleeve
Portion, diminution part is not entered yet, and its length is equal to the length of center sleeve enlarged 7.
The quantity of line part 3 is four.Along the circumferencial direction nonuniform mutation operator of line part 3.The height of line part 3 is equal to
Reduce the central lumen of part.
Example IV, referring to the drawings 6.
Line part 3 is in axial direction（That is water (flow) direction）Through whole center sleeve.Each line part 3 is one whole
Body, through the diminution part 6 of center sleeve and enlarged 7, the end of line part 3 is concordant with center sleeve end.
Embodiment five, referring to the drawings 7.
The center sleeve enlarged 7 is provided with draw-in groove 8, and line part 3 is stuck in draw-in groove and is fixed on the positioning.Line
Part 3 is fixed positioning by the draw-in groove 8 on centrally disposed sleeve pipe and center sleeve, and line part 3 is fixed on center
Pipe upstream side, the length of line part 3 is arbitrary.
In the present embodiment, by four integrated injection moldings of line plate 9, line part 3 is overall to be positioned at expansion to line part 3
On the draw-in groove 8 of part 7, line plate 9 is in axial direction（That is water (flow) direction）Arrangement.Four line plate integrated injection moldings, are constituted
Line part 3, its section is in integrally cross, and the end of enlarged 7 is circumferentially provided with four draw-in grooves, the cross of line part 3
Four ends of shape are respectively clamped into four draw-in grooves and are fixed on the positioning.
Center sleeve enlarged 7 is provided with reflector mounting groove 4, and reflector 1 fixes fixed by reflector mounting groove 4
Position.Reflector 1 is fixed in center sleeve enlarged 7 according to the installation direction in accompanying drawing.
Embodiment six, referring to the drawings 8.
In the present embodiment, the line part 3 is the line sieve 10 of uniform through hole, and the sieve nest of line sieve is along center sleeve
Radial direction（Perpendicular to water (flow) direction）Arrangement, the sieve aperture of line sieve is parallel with water (flow) direction.The excircle of line sieve 10 is provided with
Locating dowel 11, locating dowel is positioned on the draw-in groove 8 of enlarged 7.
Embodiment seven, referring to the drawings 9.
Line part 3 is located at center, four beams by four line plates 9 and the integrated injection molding of diversion column 12, diversion column 12
Stream plate 9 arranges that constitute line part 3, its section is in integrally cross, and the end of enlarged 7 is circumferentially gone up around diversion column 12
Four draw-in grooves are provided with, line plate is in axial direction（That is water (flow) direction）Arrangement, 3 criss-cross four ends of line part are blocked respectively
Enter four draw-in grooves to be fixed on the positioning.
Embodiment eight, referring to the drawings 10.
Line part 3 is arranged in reflector 1 by four line plates 9 and the integrally molded shaping of reflector 1, four line plates 9
Upstream side constitutes line part 3, and its section is in integrally cross, and center sleeve is constituted by reducing part 6 and reflector 1, do not had
There is enlarged 7.Reflector 1 with reduce part 6 can integrated injection molding shaping also can be assembled, it is then overall to carry out assembling and makes
With.
The present invention makes center sleeve in the same of lifting measured medium flow velocity by increasing line part 3 on center sleeve
When increased beam function again.Line part 3, or the whole center of the insertion of line part 3 are arranged in the upstream side of flow measurement passage
Sleeve pipe, line effect is preferable.
Protrusion of the invention has the technical effect that：Simplify instrument overall structure so that instrument overall structure is simpler, conjunction
Reason.Because itself is with line part 3 and reflector 1 is assembled in advance outside pipeline on center sleeve, then will be with line
The center sleeve structure of part 3 and reflector 1 is integrally put into pipeline, that is, complete the assembling of instrument, and its technology difficulty is substantially low
In prior art, assembling is more convenient, packaging efficiency is high, is especially suitable for producing in enormous quantities.The present invention is in the reflector 1 being mutually matched
Between line, its line effect also carries out line apparently higher than in the outside of reflector 1.
Claims (18)
1. a kind of Ultrasonic water meter, calorimeter, flowmeter center sleeve line structure, it is characterised in that：Comprising center sleeve and
Line part（3）, center sleeve is tubulose, and the center section of center sleeve, internal diameter reduces, to reduce part（6）, reduce part
（6）Central lumen be flow measurement passage（2）；The line part is at least arranged in flow measurement passage（2）Outer upstream side, line portion
Part（3）Installation is centrally located on the inwall of sleeve pipe.
2. a kind of Ultrasonic water meter according to claim 1, calorimeter, flowmeter center sleeve line structure, its feature
It is：The center sleeve, is integrally divided into three parts, and the center section of center sleeve is diminution part（6）, reduce part（6）
The center sleeve of both sides, internal diameter expands, and is enlarged（7）.
3. a kind of Ultrasonic water meter according to claim 1 and 2, calorimeter, flowmeter center sleeve line structure, it is special
Levy and be：The enlarged of the center sleeve（7）On be provided with sonac mounting hole（5）, ultrasound is set by mounting hole
Sensor reflector（1）, it is mutually matched sensor reflector for a pair and is arranged in the flow measurement passage for reducing part（2）Both sides.
4. a kind of Ultrasonic water meter according to claim 1 and 2, calorimeter, flowmeter center sleeve line structure, it is special
Levy and be：The line component shape is the line piece of sheet.
5. a kind of Ultrasonic water meter according to claim 3, calorimeter, flowmeter center sleeve line structure, its feature
It is：The line part, is the interrupted structure being located along the same line, that is, by the multistage component combination on same straight line
It is line part.
6. a kind of Ultrasonic water meter according to claim 1 and 2, calorimeter, flowmeter center sleeve line structure, it is special
Levy and be：The line part（3）It is arranged in flow measurement passage（2）The center sleeve enlarged of outside upstream side（7）On, line
The shape of part is sheet, and line part is from enlarged（7）End start, in axial direction extend to diminution part（6）
End；Namely line part does not stretch out the end of center sleeve, and diminution part is not entered yet, and its length is less than or equal to center
Sleeve pipe enlarged（7）Length.
7. a kind of Ultrasonic water meter according to claim 1 and 2, calorimeter, flowmeter center sleeve line structure device, its
It is characterised by：The line part, in axial direction arranges and is centrally located sleeve pipe enlarged（7）On, the end of line part
The end of center sleeve is stretched out in portion, that is, stretches out enlarged（7）End；Or, center is stretched into the end of line part
The flow measurement passage of sleeve pipe（2）It is interior；Or the end of center sleeve is stretched out in one end of line part, the other end stretches into center sleeve
Flow measurement passage（2）It is interior.
8. a kind of Ultrasonic water meter according to claim 6, calorimeter, flowmeter center sleeve line structure, its feature
It is：The structure is arranged in flow measurement passage simultaneously（2）In the center sleeve enlarged in outside upstream side and downstream.
9. a kind of Ultrasonic water meter according to claim 1 and 2, calorimeter, flowmeter center sleeve line structure, it is special
Levy and be：Line part in axial direction runs through whole center sleeve.
10. a kind of Ultrasonic water meter according to claim 9, calorimeter, flowmeter center sleeve line structure, its feature
It is：Each line part is an entirety, through the diminution part of center sleeve（6）And enlarged（7）, line part
End can be concordant with center sleeve end, or more than or less than center sleeve end position.
A kind of 11. Ultrasonic water meters according to claim 1 and 2, calorimeter, flowmeter center sleeve line structure, its
It is characterised by：The center sleeve enlarged（7）It is provided with draw-in groove（8）, line part is stuck in draw-in groove and is fixed on the positioning.
A kind of 12. Ultrasonic water meters according to claim 11, calorimeter, flowmeter center sleeve line structure, it is special
Levy and be：Along enlarged（7）End multiple draw-in grooves provided circumferentially about, line part（3）By multi-disc line plate integrated injection molding into
Type, line part（3）Entirety is positioned at enlarged（7）Draw-in groove on.
A kind of 13. Ultrasonic water meters according to claim 11, calorimeter, flowmeter center sleeve line structure, it is special
Levy and be：The line part, is the line sieve of uniform through hole（10）, line sieve sieve nest along center sleeve radial arrangement,
The sieve aperture of line sieve is parallel with water (flow) direction；Line is sieved（10）Excircle be provided with locating dowel（11）, locating dowel is positioned at expansion
It is most of（7）Draw-in groove（8）On.
A kind of 14. Ultrasonic water meters according to claim 11, calorimeter, flowmeter center sleeve line structure, it is special
Levy and be：Line part（3）By four line plates（9）With diversion column（12）Integrated injection molding, diversion column（12）Positioned at center,
Four line plates（9）Around diversion column（12）Arrangement, constitutes line part, and its section is in integrally cross, enlarged（7）
End is circumferentially provided with four draw-in grooves, and line plate is in axial direction arranged, criss-cross four ends of line part are blocked respectively
Enter four draw-in grooves to be fixed on the positioning.
A kind of 15. Ultrasonic water meters, calorimeter, flowmeter center sleeve line method, it is characterised in that comprise the following steps：
1. center sleeve is tubulose, is integrally divided into three parts, and the center section of center sleeve, internal diameter reduces, to reduce part
（6）, reduce part（6）Central lumen be flow measurement passage（2）, reduce part（6）The center sleeve of both sides, internal diameter expands, and is
Enlarged（7）；
2. line part is at least arranged in flow measurement passage（2）Outer upstream side, line part（3）Installation is centrally located sleeve pipe
On inwall, line part is provided with center sleeve, constitutes center sleeve component；
3. center sleeve component is installed by the port of pipeline, is fixed in pipeline, center sleeve is in tested Jie of lifting
While mass flow speed, with beam function.
A kind of 16. Ultrasonic water meters according to claim 15, calorimeter, flowmeter center sleeve line method, it is special
Levy and be：The enlarged of the center sleeve（7）On be provided with sonac mounting hole（5）, ultrasound is set by mounting hole
Sensor reflector（1）, it is mutually matched sensor reflector for a pair and is arranged in the flow measurement passage for reducing part（2）Both sides.
A kind of 17. Ultrasonic water meter, calorimeter, the flowmeter center sleeve line method according to claim 15 or 16,
It is characterized in that：Line part in the center sleeve, is a center for entirety with center sleeve integrated injection molding
Tube assembly, install sonac reflector in center sleeve component, then directly by with line part and reflector
Center sleeve, is installed by the port of pipeline, is fixed in pipeline.
A kind of 18. Ultrasonic water meter, calorimeter, the flowmeter center sleeve line method according to claim 15 or 16,
It is characterized in that：Line part in the center sleeve, is Split type structure with center sleeve and sonac reflector, first
Fixing bundle stream unit is first assembled in center sleeve, as center sleeve component, assembling sonac in center sleeve component
Reflector, then by the center sleeve with line part and reflector, is installed by the port of pipeline, is fixed on pipeline
It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710120215.0A CN106679749A (en) | 2017-03-02 | 2017-03-02 | Central sleeve flow constraint structure for ultrasonic water meter, heat meter and flowmeter and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710120215.0A CN106679749A (en) | 2017-03-02 | 2017-03-02 | Central sleeve flow constraint structure for ultrasonic water meter, heat meter and flowmeter and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106679749A true CN106679749A (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710120215.0A Pending CN106679749A (en) | 2017-03-02 | 2017-03-02 | Central sleeve flow constraint structure for ultrasonic water meter, heat meter and flowmeter and method |
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| Country | Link |
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| CN (1) | CN106679749A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102557471B1 (en) * | 2023-01-04 | 2023-07-20 | 주식회사 대한계전 | Ultrasonic water meter for backflow prevention |
| KR102557470B1 (en) * | 2022-12-15 | 2023-07-20 | 주식회사 대한계전 | Ultrasonic water meter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204556138U (en) * | 2015-01-19 | 2015-08-12 | 铜陵德瑞曼电子科技有限公司 | There is the pipeline section of the ultrasonic calorimeter of flow stabilizing function |
| CN106153134A (en) * | 2016-09-27 | 2016-11-23 | 汇中仪表股份有限公司 | A kind of ultrasonic flow transducer and assemble method thereof |
| CN206905824U (en) * | 2017-03-02 | 2018-01-19 | 汇中仪表股份有限公司 | A kind of Ultrasonic water meter, calorimeter, flowmeter center sleeve line structure |
-
2017
- 2017-03-02 CN CN201710120215.0A patent/CN106679749A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204556138U (en) * | 2015-01-19 | 2015-08-12 | 铜陵德瑞曼电子科技有限公司 | There is the pipeline section of the ultrasonic calorimeter of flow stabilizing function |
| CN106153134A (en) * | 2016-09-27 | 2016-11-23 | 汇中仪表股份有限公司 | A kind of ultrasonic flow transducer and assemble method thereof |
| CN206905824U (en) * | 2017-03-02 | 2018-01-19 | 汇中仪表股份有限公司 | A kind of Ultrasonic water meter, calorimeter, flowmeter center sleeve line structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102557470B1 (en) * | 2022-12-15 | 2023-07-20 | 주식회사 대한계전 | Ultrasonic water meter |
| KR102557471B1 (en) * | 2023-01-04 | 2023-07-20 | 주식회사 대한계전 | Ultrasonic water meter for backflow prevention |
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