CN105953851A - High-precision ultrasonic reflectometer body structure - Google Patents
High-precision ultrasonic reflectometer body structure Download PDFInfo
- Publication number
- CN105953851A CN105953851A CN201610419908.5A CN201610419908A CN105953851A CN 105953851 A CN105953851 A CN 105953851A CN 201610419908 A CN201610419908 A CN 201610419908A CN 105953851 A CN105953851 A CN 105953851A
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- China
- Prior art keywords
- pipeline section
- fin
- measurement
- horizontal fin
- table body
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Classifications
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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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a high-precision ultrasonic reflectometer body structure which comprises a basic meter body, a flow pass rectification assembly and an ultrasonic transducer. The flow pass rectification assembly is composed of a measuring tube body and reflectometer supports at two ends of the measuring tube body, wherein a reflectometer is arranged on the reflectometer supports. The high-precision ultrasonic reflectometer body structure is characterized in that rectification devices are respectively arranged at the two ends of the measuring tube body of the flow pass rectification assembly, each rectification device comprises horizontal fins and a connecting rod, the number of the horizontal fins is at least one, the horizontal fins are parallelly placed in the axial direction and are fixedly connected with the measuring tube body through the connecting rod, one end of the reflectometer is fixedly connected with the horizontal fins, and the other end of the reflectometer is fixedly connected with the side wall of the measuring tube body. The high-precision ultrasonic reflectometer body structure has the advantages of being novel in structure, convenient to mount, accurate in measurement, remarkable in flow stabilization effect and the like.
Description
Technical field
The present invention relates to fluid detection measurement instrument, a kind of be widely used in water meter, effusion meter, hotlist
High-precision ultrasound wave reflection table body structure.
Background technology
At present, in terms of based on the flow measurement that ultrasound wave is carrier, in ultrasound wave communication process in a liquid, by surveying
Sound wave forward, reverse propagation time difference and calculate the flow velocity of fluid;Forward, the reverse propagation time is by being integrated in
Timing chip measurement in pcb board draws, above-mentioned is the ideal situation of stabilized fluid.But during the actual application of flow transducer,
Because flow transducer front end situation is complicated, it is understood that there may be bend pipe, reducing, valve, heat exchanger, water knockout drum etc., it is difficult to obtain relatively
Stable perfect fluid, the time of non-stationary flow bulk measurement can not effectively reflect flow velocity, and then affect the standard of data on flows
Really property.
It addition, during the use of various instrument, it will usually filter is installed, to prevent in fluid in the front end of instrument
Impurity interferometry, is also in order at the protection to whole pipeline simultaneously, but the fluidised form of water can change after installing filter,
Also certainty of measurement is caused to decline.
Therefore, the straight length of 10 times of bores is kept before the use of ultrasonic instrument often requires table, to reduce front-end devices pair
The impact of flow measurement.
Measuring industry at ultrasonic flow rate, in order to eliminate the effects of the act, have installs flow straightener in the porch of sensor, obtains phase
To stable fluid, but it is the least to be affected played current stabilization effect by table body size dimension;Some measurement pipelines
Inner chamber carries out undergauge, and for the flowing of radial rotary, steady flow result is the most inconspicuous.In the design of small-bore table, table body size
Restriction make these contradictions especially prominent.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, it is provided that a kind of novel structure, easy for installation, measurement essence
Really, steady flow result is notable, can adapt to various complex working condition, and need not the high-precision ultrasound wave reflection table body of straight length before table
Structure.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of high-precision ultrasound wave reflection table body structure, including underlying table body, runner rectifier stack and ultrasonic transducer, described
Runner rectifier stack is to be made up of the mirror mount measuring body and measurement body two ends, and described mirror mount is provided with
Reflecting mirror, it is characterised in that the measurement body of described runner rectifier stack is respectively arranged at two ends with fairing, described fairing
Including horizontal fin and connecting rod, described horizontal fin is at least provided with 1, and described horizontal fin is placed in parallel vertically, described water
Flat fin through connecting rod with measure that body is fixing to be connected, described reflecting mirror one end is fixed with horizontal fin and is connected, the other end and measurement
Tube wall is fixing to be connected, and not only saves straight length before table, and, also reach to can adapt to various complex working condition, to current
Radial Flow steady flow result notable, measure accurate effect.
The present invention is when described horizontal fin is provided with 2 or more than 2, through connecting fin intersection even between adjacent level fin
Connecing, described connection fin is positioned axially, and described connection fin is positioned at adjacent horizontal fin center or reflecting mirror both sides, described
Horizontal fin and connection fin two sides can be planes, it is also possible to be arcwall face, be beneficial to effectively eliminate radial rotary current
Interference, make the flow velocity recorded can preferably reflect reality fluid flow, not only save straight length before table, but also reach
Can adapt to various complex working condition, steady flow result is notable, measure accurate effect.
The horizontal fin of the present invention is positioned at the space above reflecting mirror and reflecting mirror, is beneficial to the water further to radial rotary
Stream carries out current stabilization, reaches the effect accurately measured.
Reflecting mirror of the present invention is to be included on mirror mount by plastic cement by Shooting Technique.
Measurement body of the present invention is made up of front connection pipeline section and rear connection pipeline section, described front connection pipeline section rear end circle
Being laid with buckle week, described buckle is axially rearwardly extending, and the described rear pipeline section sidewall circumference uniform distribution that connects is provided with draw-in groove, described
Front connection pipeline section through buckle block mutually with draw-in groove and with after be connected that pipeline section is fixing to be connected, described front connect pipeline section and rear connection pipeline section divides
Do not fix through bearing pin and underlying table body and be connected, to reach the effect of easy accessibility.
The front length of pipeline section that connects of the present invention, more than rear connection pipeline section, is beneficial to avoid seam to cause and measures runner
Coarse.
Measurement inboard wall of tube body of the present invention is fixed on mirror surface, and two side is respectively vertical panel, described perpendicular
Facing plate upper end directly to be connected with mirror surface junction arc-shaped transition, lower end is connected with measuring body junction arc transition, described
Vertical panel two ends are connected with measuring body transition through deflector respectively, and the horizontal fin at described measurement body two ends is respectively through even
Bar is fixedly connected with deflector, is beneficial to improve the accuracy of electron device measurement time signal and treat velocity measurement.
The spacing of two vertical panels in measurement body of the present invention is 10-35mm, said two vertical panel
Spacing is 0.5-0.95 times measures the width of body nominal diameter, the fluctuation range of the propagation time signal that flow transducer gathers
Within 1.5%, it is beneficial to significantly improve the repeatability of signal and stability.
Due to the fact that employing said structure, have novel structure, easy for installation, measure accurately, steady flow result is notable
Advantage.
Accompanying drawing explanation
Fig. 1 is the section of structure of the present invention.
Fig. 2 is the assembling design sketch of the present invention.
Fig. 3 is the centre section schematic diagram of the present invention.
Fig. 4 is the generalized section of upward view of the present invention.
Fig. 5 is the three-dimensional exploded view of the present invention.
Reference: underlying table body 1, ultrasonic transducer 2, measure body 3, mirror mount 4, reflecting mirror 5, horizontal wing
Sheet 6, connecting rod 7 and connection fin 8, front connection pipeline section 9 and the horizontal fin 13 of rear connection pipeline section 10 buckle 11 mirror surface 12 are vertical
Its bottom 15 deflector 16 measured by panel 14.
Detailed description of the invention:
The present invention is further described below in conjunction with the accompanying drawings:
As shown in drawings, a kind of high-precision ultrasound wave reflection table body structure, including underlying table body 1, runner rectifier stack and ultrasonic
Wave transducer 2, described runner rectifier stack is to be made up of the mirror mount 4 measuring body 3 and measurement body 3 two ends, institute
State mirror mount 4 and be provided with reflecting mirror 5, it is characterised in that the measurement body 3 of described runner rectifier stack is respectively arranged at two ends with
Fairing, described fairing includes horizontal fin 6 and connecting rod 7, described horizontal fin 6 at least provided with 1, described horizontal wing
Sheet 6 is placed in parallel vertically, described horizontal fin 6 through connecting rod 7 with measure that body 3 is fixing to be connected, described reflecting mirror 5 one end and water
Flat fin 6 is fixing to be connected, and the other end is fixing with measurement body 3 sidewall to be connected, and not only saves straight length before table, and, also reach
To can adapt to various complex working condition, notable to the Radial Flow steady flow result of current, measure accurate effect.
The present invention is when described horizontal fin is provided with 2 or more than 2, through connecting fin 8 between adjacent level fin 6,13
Interconnection, described connection fin 8 is positioned axially, and described connection fin 8 is positioned at adjacent horizontal fin 6,13 center or anti-
Penetrating mirror both sides, present invention is preferably arranged in reflecting mirror 5 both sides, described horizontal fin 6 and connection fin 8 two sides can be flat
Face, it is also possible to be arcwall face, is beneficial to effectively eliminate the interference of radial rotary current, makes the flow velocity recorded can preferably reflect reality
The fluid flow on border, not only saves straight length before table, but also reaches to can adapt to various complex working condition, radial direction to current
Flowing steady flow result is notable, measure accurate effect.
The horizontal fin of the present invention 6,13 is positioned at the space above reflecting mirror 5 and reflecting mirror 5, is beneficial to further to radially rotation
The current turned carry out current stabilization, reach the effect accurately measured.
Reflecting mirror 5 of the present invention is to be included on mirror mount 4 by plastic cement by Shooting Technique.
Measurement body 3 of the present invention is made up of front connection pipeline section 9 and rear connection pipeline section 10, described front connection pipeline section 9
Back end circumference is laid with buckle 11, and described buckle 11 is axially rearwardly extending, described rear connection pipeline section 10 sidewall circumference uniform distribution
Be provided with draw-in groove, described before connect pipeline section 9 through buckle 11 block mutually with draw-in groove and after again with after be connected pipeline section 10 and fix connection, described before
Connect pipeline section 9 and rear connection pipeline section 10 to fix with underlying table body 1 through bearing pin respectively and be connected, to reach the effect of easy accessibility.
The front length of pipeline section 9 that connects of the present invention, more than rear connection pipeline section 10, is beneficial to avoid seam to cause measurement stream
Road coarse.
Measurement body 3 inwall of the present invention is fixed on mirror surface 12, and two side is respectively vertical panel 14, institute
State vertical panel 14 upper end to be connected with mirror surface 12 junction arc-shaped transition, lower end and measurement its bottom 15 junction circular arc
Transition connects, and described vertical panel 14 two ends are connected with measuring body transition through deflector respectively, described horizontal fin 6,13 points
It is not fixedly connected through connecting rod and deflector 16, is beneficial to by vertical panel and reflecting mirror surface shape squarely runner, further
Improve the accuracy of electron device measurement time signal and treat velocity measurement.
The spacing of two vertical panels 14 in measurement body 3 of the present invention is 10-35mm, said two vertical panel
Inboard wall of tube body radian of measuring between 14 is measure body 3 nominal diameter 0.5-0.95 times, the propagation that flow transducer gathers
The fluctuation range of time signal, within 1.5%, is beneficial to significantly improve the repeatability of signal and stability.
As shown in Figure 1, a kind of high-precision ultrasonic reflections table body structure includes underlying table body A, runner rectifier stack
With ultrasonic transducer 2, the measurement body two ends of described runner rectifier stack have fairing respectively, measure the transverse section of body 3
Squarish, the upper surface of described measurement body 3 is provided with mirror surface 12, the ultrasonic signal reflecting mirror 5 through two ends and surveying
The mirror surface 12 of pipe body 3 upper end is also propagated along the reflection of W shape track, and described front connection pipeline section and rear connection pipeline section use and block
Button f is connected, and is fixed on underlying table body 1 through bearing pin.
As shown in accompanying drawing 1,2, the fairing of the runner rectifier stack of table body structure is horizontal fin 6,13 and be connected wing
The combination of sheet 8, arranging horizontal fin number is 2, and the most horizontal fin 13 flushes with the upper edge of reflecting mirror 5, horizontal fin 6
Superjacent air space in reflecting mirror;Connecting fin 8 upper end and connect horizontal fin 6, lower end connects horizontal fin 13, and fairing can root
Being designed adjusting according to the nominal bore of flow transducer, except the horizontal fin 13 of bottom, remaining horizontal fin 6 is distributed in instead
Penetrate the space above mirror;Connect fin 8 and be positioned at center or reflecting mirror both sides, be connected with the horizontal fin of the top and bottom,
Described horizontal fin, connection fin will treat that fluid measured is divided into 5-11 part, effectively eliminate rational disturbance, and recording flow velocity can be preferably
The fluid flow that reflection is actual.
As shown in Figure 3, runner rectifier stack measure body cross section be base be the square of circular arc, upper surface is solid
Surely having mirror surface 12, be respectively equipped with vertical panel 14 inside left and right, the spacing of two vertical panels is 10-35mm, lower surface
Diameter be 0.5-0.95 times of underlying table body nominal diameter, described vertical panel two ends respectively through deflector with measure body mistake
Crossing connection, described horizontal fin is fixedly connected with deflector through connecting rod, and this square runner effectively raises and treats flow measurement
Speed, is greatly improved the accuracy of electron device measurement time signal.
As shown in Figure 4, the runner rectifier stack of the present invention is to be made up of front connection pipeline section 9 and rear connection pipeline section 10, and
Front connection pipeline section 9 and rear connection pipeline section 10 length differ, and measuring center section connects on pipeline section 9 before being predominantly located in, front connection
Pipeline section 9 connects in pipeline section 10 after inserting, and connects fixing through draw-in groove buckle 11, and firm firm and easy accessibility largely avoided
The seam of symmetrical runner rectifier stack causes measures the coarse of runner, in turn results in the inaccuracy of certainty of measurement.
The present invention, in type experiment, is provided with straight before choosing the table body of the present invention as shown in Figure 3, documents 1 table
Pipeline section and the V-shaped track of signaling reflex, be provided with straight length and signaling reflex linearly track, contrast literary composition before documents 2 table
It is provided with straight length before part 3 table and signaling reflex is N shape track, be provided with straight length before documents 4 table and signaling reflex takes the shape of the letter U
Track, is provided with straight length and the W-shaped track of signaling reflex, and increases disturbance respectively in above-mentioned table body front end before documents 5 table
Device, and use identical computer to process the propagation time signal that flow transducer gathers, the contrast of concrete test data is as follows:
Being shown by the data gathered, the repeatability of the present invention and stability are far superior to documents 1,2,3,4,5, and,
In jamproof test, the present invention is mounted directly disturbance means before measuring body, and its fluctuation range is within 1.5%, the most excellent
In similar products at home and abroad performance.
Due to the fact that employing said structure, have novel structure, easy for installation, measure accurately, steady flow result is notable
Advantage.
Claims (7)
1. a high-precision ultrasound wave reflection table body structure, including underlying table body, runner rectifier stack and ultrasonic transducer, institute
Stating runner rectifier stack is to be made up of the mirror mount measuring body and measurement body two ends, and described mirror mount sets
Having reflecting mirror, it is characterised in that the measurement body of described runner rectifier stack is respectively arranged at two ends with fairing, described rectification fills
Putting and include horizontal fin and connecting rod, described horizontal fin is at least provided with 1, and described horizontal fin is placed in parallel vertically, described
Horizontal fin through connecting rod with measure that body is fixing to be connected, described reflecting mirror one end is fixed with horizontal fin and is connected, the other end and survey
Buret body sidewall is fixing to be connected.
A kind of high-precision ultrasound wave reflection table body structure the most according to claim 1, it is characterised in that when described horizontal wing
When sheet is provided with 2 or more than 2, through connecting fin interconnection between adjacent level fin, described connection fin is positioned axially,
Described connection fin is positioned at adjacent horizontal fin center or reflecting mirror both sides.
A kind of high-precision ultrasound wave reflection table body structure the most according to claim 2, it is characterised in that described horizontal fin
It is positioned at the space above reflecting mirror and reflecting mirror.
A kind of high-precision ultrasound wave reflection table body structure the most according to claim 1, it is characterised in that described measurement body
Being made up of front connection pipeline section and rear connection pipeline section, the described front pipeline section back end circumference that connects is laid with buckle, described buckle edge
Extending axially rearward, the described rear pipeline section sidewall circumference uniform distribution that connects is provided with draw-in groove, and the described front pipeline section that connects is through buckle and draw-in groove phase
Card and with after be connected that pipeline section is fixing to be connected, described front connection pipeline section and rear connection pipeline section connect through bearing pin and underlying table body are fixing respectively
Connect.
A kind of high-precision ultrasound wave reflection table body structure the most according to claim 4, it is characterised in that described front connecting tube
The length of section is more than rear connection pipeline section.
6. according to a kind of high-precision ultrasound wave reflection table body structure described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that
Described measurement inboard wall of tube body is fixed on mirror surface, and two side is respectively vertical panel, and described vertical panel upper end is with anti-
Penetrating minute surface junction arc-shaped transition to connect, lower end is connected with measuring body junction arc transition, measurement body of the present invention
Inwall is fixed on mirror surface, and two side is respectively vertical panel, described vertical panel upper end and mirror surface junction
Arc-shaped transition connects, and lower end is connected with measuring body junction arc transition, described vertical panel two ends respectively through deflector and
Measuring body transition to connect, the horizontal fin at described measurement body two ends is fixedly connected with deflector through connecting rod respectively.
A kind of high-precision ultrasound wave reflection table body structure the most according to claim 6, it is characterised in that survey of the present invention
The spacing of two vertical panels in buret body is 10-35mm, and the spacing of said two vertical panel is 0.5-0.95 times and measures
The width of body nominal diameter, the fluctuation range of the propagation time signal that flow transducer gathers is within 1.5%.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201510922885.5A CN105698883A (en) | 2015-12-14 | 2015-12-14 | A high-precision ultrasonic reflection meter body structure |
CN2015109228855 | 2015-12-14 |
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CN105953851A true CN105953851A (en) | 2016-09-21 |
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CN201510922885.5A Pending CN105698883A (en) | 2015-12-14 | 2015-12-14 | A high-precision ultrasonic reflection meter body structure |
CN201610419908.5A Withdrawn CN105953851A (en) | 2015-12-14 | 2016-06-13 | High-precision ultrasonic reflectometer body structure |
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CN201510922885.5A Pending CN105698883A (en) | 2015-12-14 | 2015-12-14 | A high-precision ultrasonic reflection meter body structure |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107490411A (en) * | 2017-08-24 | 2017-12-19 | 天津赛恩能源技术股份有限公司 | A kind of ultrasonic measurement pipe segment structure for ultrasonic flowmeter |
CN113655237A (en) * | 2021-07-09 | 2021-11-16 | 太原理工大学 | Flat-bend pipeline water flow velocity measuring device compatible with LDV (laser direct current) and PIV (particle image velocimetry) technologies |
EP4184127A1 (en) * | 2021-11-17 | 2023-05-24 | Landis+Gyr GmbH | Flow measuring device with housing and measuring insert |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11371869B2 (en) | 2019-06-05 | 2022-06-28 | Neptune Technology Group Inc. | Unitized measuring element for water meter assembly |
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CN202793483U (en) * | 2012-09-24 | 2013-03-13 | 上海迪纳声科技股份有限公司 | Small-bore ultrasonic flowmeter flow tube |
CN203274821U (en) * | 2013-06-04 | 2013-11-06 | 浙江天信仪表科技有限公司 | Ultrasonic water meter |
CN105043473A (en) * | 2015-05-18 | 2015-11-11 | 威海市天罡仪表股份有限公司 | Ultrasonic flowmeter with plugging positioning function |
CN205209565U (en) * | 2015-12-14 | 2016-05-04 | 威海市天罡仪表股份有限公司 | High accuracy ultrasonic wave reflection table body structure |
-
2015
- 2015-12-14 CN CN201510922885.5A patent/CN105698883A/en active Pending
-
2016
- 2016-06-13 CN CN201610419908.5A patent/CN105953851A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202793483U (en) * | 2012-09-24 | 2013-03-13 | 上海迪纳声科技股份有限公司 | Small-bore ultrasonic flowmeter flow tube |
CN203274821U (en) * | 2013-06-04 | 2013-11-06 | 浙江天信仪表科技有限公司 | Ultrasonic water meter |
CN105043473A (en) * | 2015-05-18 | 2015-11-11 | 威海市天罡仪表股份有限公司 | Ultrasonic flowmeter with plugging positioning function |
CN205209565U (en) * | 2015-12-14 | 2016-05-04 | 威海市天罡仪表股份有限公司 | High accuracy ultrasonic wave reflection table body structure |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107490411A (en) * | 2017-08-24 | 2017-12-19 | 天津赛恩能源技术股份有限公司 | A kind of ultrasonic measurement pipe segment structure for ultrasonic flowmeter |
CN107490411B (en) * | 2017-08-24 | 2023-07-25 | 天津赛恩能源技术股份有限公司 | Ultrasonic measurement pipe section structure for ultrasonic flowmeter |
CN113655237A (en) * | 2021-07-09 | 2021-11-16 | 太原理工大学 | Flat-bend pipeline water flow velocity measuring device compatible with LDV (laser direct current) and PIV (particle image velocimetry) technologies |
CN113655237B (en) * | 2021-07-09 | 2024-04-30 | 太原理工大学 | Flat-loop pipeline water flow velocity measuring device compatible with LDV and PIV technologies |
EP4184127A1 (en) * | 2021-11-17 | 2023-05-24 | Landis+Gyr GmbH | Flow measuring device with housing and measuring insert |
WO2023089048A1 (en) * | 2021-11-17 | 2023-05-25 | Landis+Gyr Gmbh | Throughflow measuring device having a housing and measuring insert |
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Application publication date: 20160921 |