CN104764499B - Ultrasonic flowmeter - Google Patents

Ultrasonic flowmeter Download PDF

Info

Publication number
CN104764499B
CN104764499B CN201510180331.2A CN201510180331A CN104764499B CN 104764499 B CN104764499 B CN 104764499B CN 201510180331 A CN201510180331 A CN 201510180331A CN 104764499 B CN104764499 B CN 104764499B
Authority
CN
China
Prior art keywords
mounting seat
positioning
gusset
eyeglass
speculum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510180331.2A
Other languages
Chinese (zh)
Other versions
CN104764499A (en
Inventor
付涛
邓云志
杜家斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weihai Ploumeter Co Ltd
Original Assignee
Weihai Ploumeter Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weihai Ploumeter Co Ltd filed Critical Weihai Ploumeter Co Ltd
Priority to CN201510180331.2A priority Critical patent/CN104764499B/en
Publication of CN104764499A publication Critical patent/CN104764499A/en
Application granted granted Critical
Publication of CN104764499B publication Critical patent/CN104764499B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Measuring Volume Flow (AREA)

Abstract

The invention discloses a kind of ultrasonic flowmeter,It includes flow body and positioning screw,Measurement pipeline section is provided with the flowtube body,Speculum mounting seat and reflecting optics,It is characterised by that speculum mounting seat is made up of left reflection minor mounting seat and right reflection mirror mounting seat,Left reflection minor mounting seat right-hand member array has master card button and left positioning gusset,Right reflection mirror mounting seat left end array has subcard button and right positioning gusset,Measurement pipeline section is located at the master card button for mutually blocking sum,Subcard button,In left positioning gusset and right positioning gusset,Measure pipeline section left end and the right locating surface of left reflection minor mounting seat is inconsistent,Right-hand member and the left locating surface of right reflection mirror mounting seat are inconsistent,After positioning screw is threadedly coupled with flow body,It is inconsistent through half round locating grooves top and measurement pipeline section,It is novel with structure,It is easy for installation,Accurate positioning,Measurement is accurate,Dismounting is quick,The advantages that easy to maintenance.

Description

Ultrasonic flowmeter
Technical field
The present invention relates to flow measurement technology field, specifically a kind of ultrasonic flowmeter.
Background technology
At present, in terms of the measurement of ultrasonic calorimeter and water flow, mainly by a pair or multipair ultrasound Wave transducer is placed on the both ends of tested pipeline to realize, ultrasonic flowmeter is the original propagated in a liquid using ultrasonic wave Reason, the flow velocity of fluid is calculated by measuring the propagation speed differential forward, reverse of sound wave, then by being integrated in PCB chip Middle integral formula calculates outflow.As long as the circulation way of ultrasonic wave has direct projection and reflection, reflective speculum and measurement pipe Fixation tubular body is mainly fixed on by reflector mounting seat, 1. the structure type of reflector mounting seat, which mainly has, three to be saved Distributing, i.e. 2 reflectors and measurement pipe are separated from each other, and reflector positioning be present and are not easy the shortcomings that accurate;2. two valves clamp Formula, i.e., reflector mounting seat is divided into two valves from axially middle, during reflector and measurement pipe are clamped in by two valve reflector mounting seats Between, exist two valve mounting seats easily stagger produce gap the shortcomings that;Further, since measurement pipeline section is mainly that two valves are clipping, i.e., The half that line combines can be longitudinally separated by two along one to form, the speculum mounting seat of the half of left and right two clamps speculum In centre, by the shape and mirror mount extension of speculum mounting groove come stationary mirror.This location structure is answered It is miscellaneous, it is not easy to installation and the cleaning of late reflection mirror, safeguards.
In order to solve the technical problem that reflecting optics are easy to cleaning, through retrieval, CN202501878U discloses a ultrasonic wave Utility model patent, the CN201508256U of heat quantity flow measurement pipe disclose a kind of type ultrasonic calorimeter flow capable of washing The utility model and CN201724699 of measurement pipe disclose a kind of type ultrasonic calorimeter flow capable of washing through turbulent flow processing The utility model of measurement pipe, the deficiency of above-mentioned patent are:It is complicated, production cost is high, cleaning when need all to take out, operation It is cumbersome, due to reflecting optics through gluing close on speculum bar, therefore, it is impossible to which thoroughly speculum is cleaned and tieed up Shield.
The content of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, there is provided a kind of structure is novel, easy for installation, positioning is accurate Really, the ultrasonic flowmeter that measurement is accurate, dismounting is quick, easy to maintenance.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of ultrasonic flowmeter, including flow body and positioning screw, measurement pipeline section, anti-is provided with the flowtube body Mirror mounting seat and reflecting optics are penetrated, the reflecting optics are arranged in speculum mounting seat, it is characterised in that the speculum peace Dress seat is made up of left reflection minor mounting seat and right reflection mirror mounting seat, and the left reflection minor mounting seat right-hand member is provided with right positioning Face, the right locating surface periphery Circle-Array show at least two master card buttons, and the right reflection mirror mounting seat left end is provided with left positioning Face, the left locating surface periphery Circle-Array show at least two subcard buttons, and the left reflection minor mounting seat is anti-through master card button and the right side Penetrate subcard buckle and the fixation of mirror mounting seat, the measurement pipeline section is located at the master card button for mutually blocking sum, in subcard button, and left end is anti-with a left side Penetrate that the right locating surface of mirror mounting seat is inconsistent, right-hand member and the left locating surface of right reflection mirror mounting seat are inconsistent, the left reflection minor Located screw is fixedly connected with measurement body respectively for mounting seat and right reflection mirror mounting seat, has reached accurate positioning, installation side Just, the accurate effect of measurement.
The present invention can show at least one left positioning gusset in the right locating surface periphery Circle-Array, outside the left locating surface All Circle-Arrays show at least one right positioning gusset, and the left positioning gusset and right positioning gusset extend respectively in axial direction, and institute The left positioning gusset stated in left reflection minor mounting seat is in contact with the right positioning gusset side in the right reflection mirror mounting seat, institute State and be correspondingly provided with half round locating grooves respectively on the contact surface of left positioning gusset and right positioning gusset, the flow body is through fixed After the screw thread connection of position, through left positioning gusset and the half round locating grooves of right positioning gusset, outside top and measurement pipeline section Wall is inconsistent, so that left reflection minor mounting seat and right reflection mirror mounting seat are positioned at the fixed bit of flow body by positioning screw Put, substantially increase left reflection minor piece and right reflection mirror piece measurement body on exact position, further reach accurate positioning, Easy for installation, the accurate effect of measurement.
The present invention can be provided with speculum shell fragment, the reflection between the lens mounting face and reflecting optics of speculum mounting seat Mirror shell fragment is made up of stator and spring leaf, and described spring leaf one end is connected with stator cross-fixing, the other end and fixation Piece tilts along certain angle, and the lens mounting face is provided with lens mounting face side described in eyeglass fixing groove and inserted provided with eyeglass Groove, the lens mounting face bottom are provided with locating surface under eyeglass, and top is provided with locating surface on eyeglass, and the reflecting optics are through mirror Piece insertion groove is inserted in eyeglass fixing groove, and contact is fixed in lower end through locating surface under eyeglass, and upper end is fixed through locating surface on eyeglass Contact, and the speculum shell fragment one end fixed through the back side withstands on lens mounting face inwall, tensile force of the other end through spring leaf is horizontal To being positioned in eyeglass fixing groove, quick for installation, fixed reliable, easy-to-dismount effect is reached.
The present invention can be provided with speculum shell fragment detent in the eyeglass fixing groove opposite side, and the stator is fixed on In speculum shell fragment detent, the stability of reflecting optics is substantially increased.
Master card button of the present invention is the trapezoidal card being oppositely arranged by two parallel snap arm and two snap arm ends Platform is formed, and the subcard button is made up of the arrow-shaped card lance of kelly and kelly end, mutually block with subcard button when master card button and When, the card lance of subcard button is inserted between two snap arm and two chuck that master card is buckled, reaches convenient to disassembly, radial positioning is accurate Effect.
The present invention can be vertically provided with locating stop piece, the reflecting optics at the stator both ends of the speculum shell fragment Located catch is fixed on the stator of speculum shell fragment, is further reached and is fixed conveniently, installs, dismantling and efficiently act on.
The present invention is due to using said structure, having novel structure, easy for installation, accurate positioning, measurement is accurate, dismounting is fast The advantages that prompt, easy to maintenance.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention(Remove measurement body and positioning screw).
Fig. 2 is Fig. 1 decomposition texture schematic diagram.
Fig. 3 is Fig. 1 sectional view.
Fig. 4 is the complete section structural representation of the present invention.
Fig. 5 is the sectional view of A-A in Fig. 3.
Fig. 6 is the decomposing schematic representation of speculum in the present invention.
Reference:Left reflection minor mounting seat 1, right reflection mirror mounting seat 2, master card button 3, it is left positioning gusset 4, subcard button 5, Right positioning gusset 6, half round locating grooves 7, measurement pipeline section 8, reflecting optics 9, speculum shell fragment 10, spring leaf 11, stator 12nd, eyeglass fixing groove 13, eyeglass insertion groove 14, locating surface 15 under eyeglass, locating surface 16 on eyeglass, lens mounting face 17, fixed Position catch 18, flow body 19, positioning screw 20.
Embodiment:
The present invention is further described below in conjunction with the accompanying drawings:
As shown in drawings, a kind of ultrasonic flowmeter, including flow body 19 and positioning screw 20, in the flowtube body Provided with measurement pipeline section 8, speculum mounting seat and reflecting optics 9, the reflecting optics are arranged in speculum mounting seat, the stream Structure on buret body is same as the prior art, and this is not repeated, it is characterised in that the speculum mounting seat is by left reflection minor Mounting seat 1 and right reflection mirror mounting seat 2 form, and the right-hand member of left reflection minor mounting seat 1 is provided with right locating surface, the right locating surface Periphery Circle-Array shows at least two master card buttons 3, and the left end of right reflection mirror mounting seat 2 is provided with left locating surface, the left positioning Face periphery Circle-Array shows at least two subcard buttons 5, and the left reflection minor mounting seat 1 is through master card button 3 and right reflection mirror mounting seat 2 Subcard button 5 block and fix, the measurement pipeline section 8, which is located at, mutually blocks the master card button 3 of sum, in subcard button 5, and left end is pacified with left reflection minor The right locating surface of dress seat 1 is inconsistent, and right-hand member and the left locating surface of right reflection mirror mounting seat 2 are inconsistent, the left reflection minor installation Seat and right reflection mirror mounting seat 2 respectively located screw with measure body be fixedly connected, reached accurate positioning, it is easy for installation, The accurate effect of measurement.
The present invention can show at least one left positioning gusset 4 in the right locating surface periphery Circle-Array, described left fixed Plane periphery Circle-Array shows at least one right positioning gusset 6, and the left positioning gusset 4 and right positioning gusset 6 are respectively in axial direction Extension, and the left positioning gusset 4 in the left reflection minor mounting seat 1 and the right positioning gusset 6 in the right reflection mirror mounting seat 2 Side is in contact, and half round locating grooves 7 are correspondingly provided with respectively on the contact surface of the left positioning gusset 4 and right positioning gusset 6, After the located screw thread connection of flow body, the semicircle positioning through left positioning gusset 4 and right positioning gusset 6 is recessed Groove, top and the measurement outer wall of pipeline section 8 are inconsistent, so that positioning screw determines left reflection minor mounting seat 1 and right reflection mirror mounting seat 2 Position substantially increases the accurate position of left reflection minor piece and right reflection mirror piece on measurement body in the fixed position of flow body Put, further reach accurate positioning, easy for installation, the accurate effect of measurement.
The present invention can be between the lens mounting face 17 and reflecting optics of left reflection minor mounting seat 1 and right reflection mirror mounting seat 2 Speculum shell fragment 10 is respectively equipped with, the speculum shell fragment 10 is made up of stator 12 and spring leaf 11, the spring leaf 11 One end is connected with the cross-fixing of stator 12, and the other end tilts with stator 12 along certain angle, on the lens mounting face 17 Provided with eyeglass fixing groove 13, the side of lens mounting face 17 is provided with eyeglass insertion groove 14, the bottom of lens mounting face 17 Provided with locating surface under eyeglass 15, top is provided with locating surface 16 on eyeglass, and the reflecting optics 9 are inserted in mirror through eyeglass insertion groove 14 In piece fixing groove 13, lower end is fixed through locating surface under eyeglass 15 and contacted, and upper end is fixed through locating surface on eyeglass 16 and contacted, and through the back of the body One end of speculum shell fragment 10 that face is fixed withstands on the inwall of lens mounting face 17, tensile force located lateral of the other end through spring leaf 11 In eyeglass fixing groove, quick for installation, fixed reliable, easy-to-dismount effect is reached.
The present invention can be provided with speculum shell fragment detent in the opposite side of eyeglass fixing groove 13, and the stator 12 is solid It is scheduled in the detent of speculum shell fragment 10, substantially increases the stability of reflecting optics 9.
Master card button 3 of the present invention is the trapezoidal card being oppositely arranged by two parallel snap arm and two snap arm ends Platform is formed, and the subcard button 5 is made up of the arrow-shaped card lance of kelly and kelly end, when master card button 3 and the phase card of subcard button 5 And when, the card lance of subcard button 5 is inserted in master card and buckled between 3 two snap arm and two chuck, reaches convenient to disassembly, radial positioning Accurately effect.
The present invention can be vertically provided with locating stop piece 18 at the both ends of stator 12 of the speculum shell fragment 10, described anti- Penetrate the located catch 18 of eyeglass 9 to be fixed on the stator 12 of speculum shell fragment 10, further reach and be fixed conveniently, install, tearing open Unload and efficiently act on.
When mounted, speculum shell fragment 10 is clamped on reflecting optics 9 present invention, can be also fixed on by welding manner instead Penetrate on eyeglass 9, the reflecting optics 9 with speculum shell fragment 10 are pacified respectively along left reflection minor mounting seat 1 and/or right reflection mirror The eyeglass insertion groove 14 of dress seat 2 is inserted into eyeglass fixing groove 13, the lower end of reflecting optics 9 is fixed through locating surface under eyeglass 15 Contact, upper end is fixed through locating surface on eyeglass 16 and contacted, and the one end of speculum shell fragment 10 fixed through the back side withstands on a left side instead respectively Mirror mounting seat 1 and/or the inwall of right reflection mirror mounting seat 2 are penetrated, the tension force of spring leaf of the other end through speculum shell fragment lower end is horizontal It is positioned in eyeglass fixing groove 13, reflecting optics 9 is firmly installed in left reflection minor mounting seat 1 and right reflection mirror mounting seat 2 On, solve the installation difficulty of fixed clamp speculum, reduce assembly work, after reducing production cost, greatly facilitating The maintenance of phase;Then, the master card button 3 of left reflection minor mounting seat 1 and left positioning gusset 4 are enclosed on to the left part of measurement pipeline section 8, together When the subcard button 5 of right reflection mirror mounting seat 2 and right positioning gusset 6 are enclosed on to the right part of measurement pipeline section 8, axially promote right reflection Mirror mounting seat 2, it is inserted into by subcard button 5 in master card button 3, measurement pipeline section 8 is fixed into left reflection minor mounting seat 1 and right reflection mirror Between mounting seat 2, then the overall left reflection minor mounting seat 1 after installation and right reflection mirror mounting seat 2 and measurement pipeline section 8 be encased in In flowtube body, after being threadedly coupled by positioning screw with flow body, the two of gusset 4 and right positioning gusset 6 is positioned through left Individual half round locating grooves 7, measurement pipeline section 8, left reflection minor mounting seat 1 and right reflection mirror mounting seat 2 are positioned at flow body Ad-hoc location, reached compact-sized, easy for installation, accurate positioning, the accurate effect of measurement.
When needing cleaning, positioning screw is unclamped, what extraction installation was integral out of measurement pipe body carries measurement pipeline section Left reflection minor mounting seat 1 and right reflection mirror mounting seat 2, first wipe the dirt of lens surface, then reflecting optics 9 are consolidated from speculum Determine to insert the promotion of the outside of groove 14 to eyeglass in groove 13, under thrust, speculum shell fragment 10 below is squeezed reflecting optics 9 Pressure, be allowed to quickly with left reflection minor mounting seat 1 and/or the quick separating of right reflection mirror mounting seat 2, then to the outer of reflecting optics 9 Week and left reflection minor mounting seat 1 and/or right reflection mirror mounting seat 2 are completely cleaned, and have reached installation, disassembly, cleaning side Just efficiently act on.
The present invention is due to using said structure, having novel structure, easy for installation, accurate positioning, measurement is accurate, dismounting is fast The advantages that prompt, easy to maintenance.

Claims (4)

1. a kind of ultrasonic flowmeter, including flow body and positioning screw, the flowtube body is interior to be provided with measurement pipeline section, reflection Mirror mounting seat and reflecting optics, it is characterised in that the speculum mounting seat is by left reflection minor mounting seat and right reflection mirror installation Seat composition, the left reflection minor mounting seat right-hand member are provided with right locating surface, and the right locating surface periphery circle spacing array has at least Two master card buttons and at least one left positioning gusset, the right reflection mirror mounting seat left end are provided with left locating surface, the left positioning Face periphery circle spacing array has at least two subcard buttons and at least one right positioning gusset, the master card button, subcard button, Zuo Ding Position gusset and right positioning gusset extend respectively in axial direction, and the left reflection minor mounting seat installs stand through master card button and right reflection mirror Buckle card and fixation, and the left positioning gusset in the left reflection minor mounting seat and the right positioning in the right reflection mirror mounting seat Gusset side is in contact, and it is recessed to be correspondingly provided with semicircle positioning respectively on the contact surface of the left positioning gusset and right positioning gusset Groove, the measurement pipeline section are located in the master card button for mutually blocking sum, subcard button, left positioning gusset and right positioning gusset, the measurement pipe Duan Zuoduan and the right locating surface of left reflection minor mounting seat are inconsistent, and right-hand member and the left locating surface of right reflection mirror mounting seat are inconsistent, After the positioning screw is threadedly coupled with flow body, gusset and the right half round locating grooves for positioning gusset are positioned through left, Top and measurement pipeline section are inconsistent, so that left reflection minor mounting seat and right reflection mirror mounting seat are positioned at flowtube by positioning screw The fixed position of body, the master card button are the trapezoidal chuck being oppositely arranged by two parallel snap arm and two snap arm ends Form, the subcard button is made up of the arrow-shaped card lance of kelly and kelly end, when master card button mutually block with subcard button and when, The card lance of subcard button is inserted between two snap arm and two chuck that master card is buckled.
A kind of 2. ultrasonic flowmeter according to claim 1, it is characterised in that the eyeglass peace of the speculum mounting seat Speculum shell fragment is provided between dress face and reflecting optics, the speculum shell fragment is made up of stator and spring leaf, the spring Piece one end is connected with stator cross-fixing, and the other end tilts with stator along certain angle, and the lens mounting face is provided with Eyeglass fixing groove, the lens mounting face side are provided with eyeglass insertion groove, and the lens mounting face bottom is provided with fixed under eyeglass Plane, top are provided with locating surface on eyeglass, and the reflecting optics are inserted in eyeglass fixing groove through eyeglass insertion groove, and lower end is through mirror Locating surface fixes contact under piece, and contact is fixed in upper end through locating surface on eyeglass, and the speculum shell fragment one end fixed through the back side is pushed up In lens mounting face inwall, tensile force of the other end through spring leaf is positioned laterally in eyeglass fixing groove.
3. a kind of ultrasonic flowmeter according to claim 2, it is characterised in that the eyeglass fixing groove side is provided with anti- Mirror shell fragment detent is penetrated, the stator is fixed in speculum shell fragment detent.
A kind of 4. ultrasonic flowmeter according to claim 2, it is characterised in that the stator two of the speculum shell fragment End is vertically provided with locating stop piece, and the located catch of reflecting optics is fixed on the stator of speculum shell fragment.
CN201510180331.2A 2015-04-16 2015-04-16 Ultrasonic flowmeter Active CN104764499B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510180331.2A CN104764499B (en) 2015-04-16 2015-04-16 Ultrasonic flowmeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510180331.2A CN104764499B (en) 2015-04-16 2015-04-16 Ultrasonic flowmeter

Publications (2)

Publication Number Publication Date
CN104764499A CN104764499A (en) 2015-07-08
CN104764499B true CN104764499B (en) 2018-03-30

Family

ID=53646472

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510180331.2A Active CN104764499B (en) 2015-04-16 2015-04-16 Ultrasonic flowmeter

Country Status (1)

Country Link
CN (1) CN104764499B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA034957B1 (en) * 2015-09-09 2020-04-10 Данфосс А/С Two part reflector holder for an ultrasonic flow sensor
CN105973326A (en) * 2016-07-12 2016-09-28 汇中仪表股份有限公司 Ultrasound flow sensor structure and assembling positioning method thereof
CN105973327A (en) * 2016-07-12 2016-09-28 汇中仪表股份有限公司 Ultrasound flow sensor and assembling method thereof
CN117490782A (en) * 2023-12-29 2024-02-02 福建哈德仪表有限公司 Turbine flowmeter capable of preventing magnetic interference

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101476911A (en) * 2004-03-01 2009-07-08 流速测量计有限公司 Ultrasonic counter for determining flux of yielding medium
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
CN203010076U (en) * 2012-10-20 2013-06-19 史在恒 Rapid joint
CN103983316A (en) * 2014-06-03 2014-08-13 威海市天罡仪表股份有限公司 Bullet type flow stabilizer
CN204535793U (en) * 2015-04-16 2015-08-05 威海市天罡仪表股份有限公司 Ultrasonic flow meter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008049891B4 (en) * 2008-10-02 2012-12-06 Hydrometer Gmbh Flow straightener for a flowmeter, in particular an ultrasonic measuring device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101476911A (en) * 2004-03-01 2009-07-08 流速测量计有限公司 Ultrasonic counter for determining flux of yielding medium
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
CN203010076U (en) * 2012-10-20 2013-06-19 史在恒 Rapid joint
CN103983316A (en) * 2014-06-03 2014-08-13 威海市天罡仪表股份有限公司 Bullet type flow stabilizer
CN204535793U (en) * 2015-04-16 2015-08-05 威海市天罡仪表股份有限公司 Ultrasonic flow meter

Also Published As

Publication number Publication date
CN104764499A (en) 2015-07-08

Similar Documents

Publication Publication Date Title
CN104764499B (en) Ultrasonic flowmeter
JPH07119639B2 (en) Flow measuring device
CN103383275A (en) Square-wave runner ultrasonic water gauge
CN201724700U (en) Measurement pipe section for ultrasonic flowmeter/calorimeter converter with beam function
CN201589631U (en) Ultrasonic flow tube for sound wave reflection by utilizing inner wall of flow tube
CN204535793U (en) Ultrasonic flow meter
CN105953851A (en) High-precision ultrasonic reflectometer body structure
KR101254649B1 (en) Installation zig for ultrasonic flow meter
CN116182966A (en) Pipe section for ultrasonic water meter and ultrasonic water meter
CN102829831A (en) Base table of low-pressure-drop upright post type ultrasonic flow meter with spherical expansion cavities
JP2006118864A (en) Gas meter
CN207734131U (en) The integrating water route structure of dish-washing machine
JP4990654B2 (en) Ultrasonic gas meter
CN205719135U (en) A kind of modified model column ultrasonic flowmeter base tube
JP2003121234A (en) Coriolis meter
CN208313371U (en) A kind of rectification mechanism of ultrasonic flow transducer
RU2766999C2 (en) Flow meter and corresponding measuring channel
CN208026326U (en) A kind of ultrasonic flowmeter
KR20100001900A (en) Ultrasonic flow meter
CN105973327A (en) Ultrasound flow sensor and assembling method thereof
CN217304041U (en) Ultrasonic water meter
CN202101708U (en) Ultrasonic heat meter
CN202974354U (en) Novel measurement tube for ultrasonic heat meter
JP2001317974A (en) Ultrasonic flowmeter
CN217304042U (en) Ultrasonic water meter with improved structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant