CN1250152A - Holding ultrasound wave flowmeter - Google Patents
Holding ultrasound wave flowmeter Download PDFInfo
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- CN1250152A CN1250152A CN 99110632 CN99110632A CN1250152A CN 1250152 A CN1250152 A CN 1250152A CN 99110632 CN99110632 CN 99110632 CN 99110632 A CN99110632 A CN 99110632A CN 1250152 A CN1250152 A CN 1250152A
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Abstract
The flow sensor device has two sensor arrangements . Both of the sensors may be arranged along a straight jacket of a pipe , in which the fluid to be measured flows. Alternatively, a first sensor arrangement may be arranged along a first straight jacket, and a second sensor may be arranged along a second straight jacket diametrically opposed to the first.
Description
The present invention relates to a kind of holding ultrasound wave flowmeter.
This ultrasonic flow meter, many weeks, be connected to the outside of a pipe, particularly one forever has been installed in the interior pipe of a pipe system, does not need this root pipe is made any modification, for example, does a hole in the above.They do not need to be equipped with specially measuring tube yet.And based on the flowmeter of other measuring principle, such as eddy-current flowmeter, electromagnetic flowmeter, or Coriolis inertial flow rate meter must be equipped with measuring tube specially.
United States Patent (USP) 3,869,915 have set forth a kind of ultrasonic flow meter that has a sensor module of being made up of two sensors, these two sensors quilts are by being placed on a straight surface line of a pipe, the fluid that this root pipe conduction will be measured, and lean on first and second bands respectively these two sensors to be connected with pipe.
At United States Patent (USP) 4,738, among 737 the figure, but not in relevant elaboration, manifest by a first sensor assembly and one second ultrasonic flow meter that sensor assemblies:
First sensor is connected to first and second bands on article one straight line of a tube surface, and second sensor is connected to apart from first sensor to set a distance and on the tube surface second straight line relative just with article one straight line with third and fourth band.
These two sensor module structures are identical.
Last-mentioned United States Patent (USP) is not set forth this two sensor modules, if they are positioned on the relative straight line of tube surface, how to observe mutual same straight line, or how to locate at a distance from each other along the tube surface straight line.
The object of the present invention is to provide a kind of improved ultrasonic flow meter of forming by two sensor modules, it is applicable to the pipe of different nominal diameters, and can be placed on or along the tube surface straight line or on two just relative straight lines of tube surface.
In addition, the design of this ultrasonic flow meter comprises field-replaceable unit, under situation about breaking down, only need change the parts of inefficacy.
For achieving the above object, a kind of according to the invention provides by a first order sensor module and the ultrasonic flow meter that second level sensor module is formed:
These two sensor modules are positioned at a given distance mutually,
The perhaps straight line of the tube surface of the fluid that will measure along a conduction
Perhaps respectively along article one straight line of this root tube surface and with tube surface just on the relative second straight line, and
Be connected with second band with one first band respectively, and
Their structures identical and each comprise:
Plane bracket in abutting connection with pipe, have on the bracket longitudinal centre line and with a bracket barrel portion in aggregates;
One in barrel portion by the sensor insert of longitudinally guiding, wherein comprise a ultrasonic transducer that has a converters;
A sensor wrap of covering on barrel portion, it is connected on the barrel portion by rotating releasable quick fasteners by one, and one of them spring is given the reinforcing of sensor insert facing to pipe; And
A band fastener, it is installed in the centre of about longitudinal center axis on the bracket and an axis is arranged.
In first preferred embodiment of the present invention, sensor insert end is positioned at a cable tube, and sensor wrap can be installed on the cable tube with being rotated.
In second preferred embodiment of the present invention, it also can use first preferred embodiment, and the band fastener comprises:
A volute spring;
A spring shell is fixed on the bracket of plane by longitudinal center's axis of a screw neck that center pit arranged along it;
A securing member, when it has one to work as band by its guide end and an other end that is designed to a threaded rod; And
The nut that can rotate in spring shell, it is screwed on the borded pile fixedly band.
In the 3rd preferred embodiment of the present invention, it also can be with first or second preferred embodiment, the series circuit that at least one is made up of a gaseous core coil reaches at least one resistance and is disposed near in the ultrasonic transducer sensor insert, and is connected in parallel with converters.
A significant advantage of the present invention is that it provides one to satisfy all installations, the holding ultrasound wave flowmeter of adjusting and keeping in repair.
From following description of preferred embodiments, in conjunction with the accompanying drawings, will make the present invention more clear:
Fig. 1 is the skeleton view of first kind of form of a holding ultrasound wave flowmeter, and it has sensor module, be installed on the pipe, and along the straight line of this root tube surface;
Fig. 2 is the skeleton view of second kind of form of a holding ultrasound wave flowmeter, and it has sensor module, be installed on the pipe, and along two lucky relative straight lines of this root tube surface;
Fig. 3 is the part of the skeleton view of a securing member as the formation band fastener that uses in the present invention;
Fig. 4 is a cross section and perspective that shows the sensor module structure, constitutes a part of the present invention;
Fig. 5 is a longitudinal profile that center line is got along the bracket of a preferred embodiment of Fig. 4 sensor module;
Fig. 6 is a section of getting by the C-C line of Fig. 5;
Fig. 7 is the longitudinal profile that center line is got of bracket of another preferred embodiment of a sensor module in Fig. 4;
Fig. 8 is a section of getting by the C-C line of Fig. 7;
Fig. 9 is the external view as a ultrasonic transducer that uses in the present invention;
Figure 10 is the skeleton view that the ultrasonic transducer among Fig. 9 is observed with the arrow A direction;
Figure 11 is the ultrasonic transducer of Fig. 9 and Figure 10, a skeleton view of a section of getting by B-B line among Figure 10;
Figure 12 is that a first order is installed the top view skeleton view with auxiliary member, is used for accurately being adjusted at a holding ultrasound wave flowmeter shown in Fig. 2;
Figure 13 is a skeleton view of observing from the bottom of component detail among Figure 12;
Figure 14 is that the top view skeleton view with auxiliary member is installed in a second level, is used for accurately adjusting a holding ultrasound wave flowmeter shown in Fig. 2; And
Figure 15 is a skeleton view of observing from the bottom of component detail among Figure 14.
Fig. 1 is the skeleton view of first kind of form of a holding ultrasound wave flowmeter 10.Holding ultrasound wave flowmeter 10 has been installed on the pipe 1, is flowing in this root pipe and will measure a fluid streams of its flowing velocity and/or volume flow ratio.This fluid streams is a kind of liquid, a kind of gas, or a kind of steam; Also may contain solid in the fluid.
This clipping flowmeter 10 is made up of a first order sensor module 2 and a second level sensor module 3.They are installed on pipe 1 lip-deep straight line 11, guarantee at a distance from each other respectively by first and second bands 4 and 5 of holding-solid on pipe, and mirror are symmetrical mutually.These two sensor modules 2 and 3 have one first bracket 6 and second bracket 7 respectively.
Each band 4,5 is furnished with a releasable clamp that separates, and it is positioned at the behind of pipe 1, does not therefore show in the drawings.Use these clamps, band 4,5, and sensor module thereon 2,3 is installed on the pipe 1 in advance, like this, band remains movably at the axis direction of pipe 1.
Fig. 1 also expresses an installation auxiliary member, is used for making it that optimum distance be arranged mutually to two sensor modules, 2,3 location.Rely on first and second cover plates 83,84, a bar 8 that has the perforation of first and second rounds 81,82 temporarily or for good and all can be installed on the limit of two sensor modules 2,3.
One first bolt 85 puts in the hole of first round 81, and one second bolt 86 puts in the hole of second round 82.Because the pitch of first round 81 is different with the pitch of second round 82, for example, first round 81 has 9 hole pitches, and second round 82 has 10 hole pitches, this makes that coming that by the bar 81 that moves perforation relative to cover plate 83,84 distance between the sensor module 2,3 is carried out point-device adjustment becomes possibility, therefore also relative another of a sensor module can be adjusted.
Fig. 2 is the skeleton view of second kind of form of a holding ultrasound wave flowmeter 10 '.Holding ultrasound wave flowmeter has been installed on the pipe 1 '.It is made up of sensory package 2 ', 3 ', is fixed on along on two just relative straight lines of the surface of pipe 1 ', compares with the arrangement of Fig. 1, and the diameter of pipe 1 ' is in fact greater than the diameter of pipe 1.Therefore, though each sensor module is identical, it is littler than the sensor module among Fig. 12,3 that sensor module 2 ', 3 ' seems.
Sensor module 2 ' and 3 ' is to install respectively by band 4 ' and 5 ', as the description of Fig. 1 in the coupling part.
Fig. 3 is a skeleton view with securing member of one first end plate 751.The latter has a slotted hole 752, and is corresponding with band 4,4 ' transverse section, by it as band work guiding in service.Securing member 75 also has a threaded rod 753, and it is equivalent to one second end.
In Fig. 4, represent to constitute the sensor module 2,2 ' of invention part with the cut away view of a perspective; 3,3 ' structure.Fig. 5 is a sectional view of getting along a center line of bracket, and Fig. 6 is a section of getting along the C-C line of Fig. 5.Therefore Fig. 4 will be explained together to Fig. 6.
The longitudinal axis 611 at a center is arranged and become as a whole barrel portion 62 with bracket there is one in abutting connection with the bracket 6 of pipe.At the end away from barrel portion 62, bracket 6 is located on the pipe 1,1 '.In order to make it have two points to contact with pipe, end 61 is not the plane, but forms a small angle.
62 li of barrel portions, sensor insert 63,, particularly under helical spring effect, can move around at a spring 66 at 633 li longitudinally guidings of a groove by a protrusion 634.Sensor insert 63 has a vertical axis 630, comprises a ultrasonic transducer 64, under situation about being tightened by band, as illustrated in fig. 1 and 2, by spring 66 ultrasonic transducer is pressurizeed facing to pipe 1,1 '.
A sender unit cap 65 has been placed on the barrel portion 62, and is connected on the barrel portion 62 by rotating releasable quick fasteners 67 by one.Be stube cable 632, the end of sensor insert 63 is preferably in 631 li of cable tubes.Sender unit cap is rotated and is installed in above the cable tube.Because aesthetic reasons, at sender unit cap along having made equally distributed impression 651 on the circumference.
In Fig. 4, the pit 671 of quick fasteners 67, in Fig. 4 and 6, the leaf spring of fasteners 67 can be visible fast.Sender unit cap is rotated it towards pipe 1 then to pressing down, this lid can be unloaded down from barrel portion 62, then can visiblely get at ultrasonic transducer 64, if necessary, can change it.
The midpoint that is placed in about longitudinal centre line 61 of bracket 6 is a device 70 as fastening band 4, and it demonstrates in Fig. 5, but invisible in Fig. 4 and 6.This fastener 70 has an axis 701, and is made up of a volute spring 71, and spring is accommodated in the spring shell 72.The latter is fixed in the bracket 6 by a screw neck 74 that has center pit 73 and is positioned on the longitudinal centre line 611.
Fastener 70 also has the nut of one six side or square head 761, and it can rotate in spring shell 72, and is spun on the bolt 753 of Fig. 3, thus fastening band 4,4 ' or 5,5 '.Nut 76 and volute spring 71 are held in the spring shell 72 perfectly, do not throw off and are scattered.
As shown in Fig. 5 and 7, can obtain above-mentioned effect, for example, nut be made a shoulder 762 at an end place of spring shell inside, and after volute spring 71 and nut 76 are inserted into spring shell, an end 721 of the relative nut 76 of spring shell inwardly is rolled into flange.
By rotating the nut 76 on bolt 753, the band 4,4 ' or 5,5 ' of pretension is finally fastened, and because the effect of volute spring 71, joint is subjected to the mechanical pretension of a Chang Ding.In this way, the variation of can the full remuneration in use contingent band length that causes by temperature and the influence that causes, so band can not become flexible.
In Fig. 5 and 7, also have among Fig. 1, can see end 61 at bracket 6, provide a screw clip termination it be used as and connect ground wire or protectiveness conductor.
In Fig. 9 to 11, represent the structure of the ultrasonic transducer that uses in the present invention with different views.In the side view of Fig. 9, can see a substrate of ultrasonic transducer.This substrate has the shape of cylinder, and uses such as a kind of high temperature thermoplastic and make, as polyethers (polyetherimide) (PEI), and the commercial name " Ultem1000 " that promptly has on the market.
A ring groove 642 is made in substrate 641, is used for putting an O shape circle 646, and this can only see in Fig. 5 and Fig. 6.In addition, substrate 641 has a flat area supported 643, and under the situation that band clamps, it is pressed in above the pipe 1,1 '.
Figure 10 is a skeleton view that the ultrasonic transducer in Fig. 9 is looked with the arrow A direction, and Figure 11 is a perspective section of getting along the B-B line of Figure 10.
A converters 644 is glued in the substrate of the embolus that has a rosette 645.This converters 644 is made disc, and is made by the piezoelectric ceramics material, resembles the soft pottery of PZT-5 standard.This rosette 645 has a coefficient of thermal expansion between substrate 641 and converters 644.
The thickness of rosette 645 must be no more than 1/4th of ultrasonic wavelength in rosette 645.The latter is fine aluminium preferably, but it also can be such as titanium, high grade steel, brass or lead.
Particularly suitable bonding agent is an epoxy adhesive, they have a glass transformation temperature that is higher than the permission working temperature of ultrasonic transducer 64, such bonding agent can obtain, for example, from Xi Ba-Gai Ji (Ciba-Geigy) Basel (Basel), the product within Switzerland trade mark AV8 and the AV118.Converters 644 and rosette 645 are fastened in the substrate 641 in the plane 647 that favours area supported 643.The basal surface in an angled hole 648 has been determined on this plane 647.
Rosette 645 is designed to by about 120 ° three pawls 6451,6452,6453 that distribute with respect to 648 self-centerings of angled hole.Rosette 645 is designed to by opening in 6451,6452,6453 minutes with three pawls respectively, and distributing also is about 120 ° three flanges and converters 644 centerings.These three flanges are to the plane of rosette 645 excurvation.
Rosette allows ultrasonic transducer 64 and whole clipping flowmeter 10,10 ' to use in a wide temperature range, and under circulating temperature stress, the joint between converters and the substrate does not destroy.
This is particular importance under the situation of clipping flowmeter, because the fluid temperature variations that flows in pipe 1,1 ' may be very big.
Rosette also allows ultrasonic transducer and works under a wideer bandwidth than the ultrasonic transducer that does not have a such rosette.In addition, this rosette has improved the acoustics coupling between converters and substrate.
In this, Fig. 5 should be added further details to Fig. 8.Fig. 5,6 demonstrates two different preferred embodiments with Fig. 7,8.Stube cable 632 overlaps 63 inner terminations in sensor, cover 63 is 635 li of plugs in the sensor, and plug is inserted in the socket.Socket is installed on the little printed circuit board (PCB) 636, its guide wire and converters 644 welding.In the preferred embodiment shown in Fig. 5 and Fig. 6, printed circuit board (PCB) 636 does not comprise more parts.
In the preferred embodiment shown in Fig. 7 and Fig. 8, printed circuit board (PCB) 636 comprises a series circuit, and this circuit is made up of a hollow coil 637 and circuit 638, and is connected in parallel with converters 644.Several such circuit can be provided.With such series circuit or several like this series circuit, might satisfy explosion-proof criteria with an astonishing plain mode.
Figure 12 and Figure 14 illustrate one first top perspective that auxiliary member 9 and one second installation auxiliary member 9 ' are installed as the clipping flowmeter of accurately adjusting Fig. 2 respectively.Figure 13 and Figure 15 represent bottom fragmentary, perspective view.Auxiliary member 9,9 ' rely on to be installed, can be along two straight lines 11 ' in surface, 11 of pipe " sensor module 2 ', 3 ' of installation diagram 2 accurately, just, just in time 180 ° are separated from each other, and are fixed on these 180 ° of positions.
With two preferred non-stretchable cotton ropes, for example, the lametta rope is done with reference to following one first ran 91 and one second ran 91 '.First ran 91 among them as shown in figure 12, and second ran 91 ' is as shown in Figure 14.
One first end 92 of the ran 91 among Figure 12 is by permanent fixation, i.e. welding or pressurization are installed in one the first rope eye 93, the slightly larger in diameter in the hole 931 of rope eye 93 is in threaded rod 753 diameters of Fig. 3, so that just rope eye slip cap can be installed on the threaded rod 753 by applying slight pressure, and draw slightly, just it can be removed from there.
One second end 94 ' of ran 91 ' can be temporarily fixed in one the second rope eye 95 '; The length of the ran 91 ' between these two rope eyes 93 ', 95 ' can be regulated like this.
Rope eye 95 ' is made of a substrate 950 ', and its end has an aperture 953 ' with a hole 954 '.This aperture 953 ' is thicker than substrate 950 '.The slightly larger in diameter in hole 954 ', so that just rope eye 95 ' slip cap can be installed on the threaded rod by applying slight pressure and is drawn slightly in the diameter of the threaded rod 753 of Fig. 3, just it can be removed from there.
The end 94 ' of rope 91 ' can fix with fixture block 951 ', and fixture block is pushed down downwards by a screw 952 is screwed into substrate 950 '.Fixture block 951 ' is at the subfacies of screw 952 '.
Before the sensor module 2 ', 3 ' of Fig. 2 being mutually adjusted the position and is fixed on the pipe of a given nominal diameter, every ran 91,91 ' length promptly from the hole 931 of rope eye 93,93 ', 931 ' axis calculates with following formula to cotton rope eye 95,95 ' hole 954,954 ' axial length:
L＝(U
2/4+A
2)
1/2
Here:
The girth of U=pipe 1 ';
Distance between the axis 701 of A=sensor module 2 ', two band stationary installations 70 of 3 '.
For the present invention, supposing that the exact value of distance A has been determined in concrete the application, is exactly known like this.Distance A is relevant with series of parameters, mainly is the diameter of pipe 1 ', the wall thickness of pipe, detected fluid type, temperature of fluid or the like.
These parameters are exactly known from the beginning, or detectable/confirmable, for example these parameters are input to a microprocessor, just can calculate the value of the distance A of a concrete application.For example can determine the wall thickness and the fluid type of pipe 1 with habitual supersonic technique.Corresponding measurement can constitute clipping flowmeter 10,10 ' parts.
After concrete length value L is calculated, in two rans 91,91 ' each is all adjusted to this value, with screw 952,952 ' and fixture block 951,951 ', its end 94,94 ' is clipped on the substrate 950,950 '.
Next step, with one of securing member 75, the securing member that promptly belongs to sensor module 2 ' is strapped on the pipe 1 ' in advance, and the fixed position, as mentioned above with band 4 '.With the rope eye 95 of cotton rope section 91, be the rope eye 95 ' of cotton rope 91 ' then, the landing cover installs to the bottom of the bolt of this securing member above relative threaded rod 753.
Then, another securing member that will belong to sensor module 5 ' with band 5 ' is bundled on the pipe 1 ' in advance.Earlier with ran 91, rope eye 95, then with ran 91 ', rope eye 95 ' landing cover above relative threaded rod 753 installs to the bottom of the bolt of this securing member.
When connecting this two rans 91,91 ' time, must be noted that to guarantee that a ran encloses another threaded rod on limit of this pipe from a threaded rod around pipe 1 ', and another ran being at another side.
Next step also moves the axis direction of band 5 ' with pipe 1 ' simultaneously with the circumferencial direction of this pipe, be fixed up to these two cotton rope sections 91,91 '.Under the sort of situation, these two sensor modules 2 ', 3 ' are in correct relative, and strictness is separated into 180 °.
After this, band 4 ', 5 ' is finally tightened up, and by tighten screw 76 with sensor module 2 ', 3 ' bolt in this position, tie up tightly with band at last.So, two screws 952,952 ' and fixture block 951,951 ' released so that two rans 91,91 ' can be separated from rope eye 95,95 '.Finally remove rope eye 93,93 ', 95,95 ' from the respective threads bar.
Claims (8)
1. a holding ultrasound wave flowmeter is made up of a first sensor assembly and one second sensor module, and this two sensors assembly is located on a given distance each other; Both or all along the surperficial straight line of a pipe of conduction detected fluid; Perhaps both radially relative article one straight line and second straight lines on this root tube surface respectively, and with first pipe collar and second pipe collar they are tightened up respectively, and they structurally are identical, consisting of of each: the dull and stereotyped bracket in abutting connection with this pipe has a longitudinal centre line and one to become holistic barrel portion with it on this flat board bracket; One in barrel portion by the sensor insert of longitudinally guiding, this insert comprises a ultrasonic transducer that has a converters; A sensor wrap that is enclosed within on this barrel portion fastens to it on tubular member by the releasable quick fasteners of rotation, also comprises a spring of the sensor insert being pressed to pipe; And band fastener is installed in the bracket greatly about the central authorities of its longitudinal center's axis and an axis is arranged.
2. holding ultrasound wave flowmeter as claimed in claim 1 is characterized in that, sensor insert upper end is in a cable tube, and sensor wrap is rotatably installed on the cable tube.
3. holding ultrasound wave flowmeter as claimed in claim 1 is characterized in that, the consisting of of band fastener:
A volute spring;
A spring shell is installed in it on carriage on longitudinal center's axis of carriage by a screw neck that has center pit on it;
A securing member has first end as the band orienting lug on it, pass this orienting lug and second end that is designed to threaded rod during band work; And
A rotatable nut in the spring shell body, it is screwed in and is used for fixing band on the threaded rod.
4. holding ultrasound wave flowmeter as claimed in claim 2 is characterized in that, the consisting of of band fastener:
A volute spring;
A spring shell is installed in it on carriage on the central axis of carriage by a screw neck that has center pit on it;
A securing member has first end as the band orienting lug on it, pass this orienting lug and second end that is designed to threaded rod during band work; And
A rotatable nut in the spring shell body, it is screwed in and is used for fixing band on the threaded rod.
5. holding ultrasound wave flowmeter as claimed in claim 1, it is characterized in that, the series circuit that at least one is made up of a gaseous core coil, at least one resistance are arranged near within the sensor insert of ultrasonic transducer, and are connected in parallel with converters.
6. holding ultrasound wave flowmeter as claimed in claim 2, it is characterized in that, the series circuit that at least one is made up of a gaseous core coil, at least one resistance are arranged near within the sensor insert of ultrasonic transducer, and are connected in parallel with converters.
7. holding ultrasound wave flowmeter as claimed in claim 3, it is characterized in that, the series circuit that at least one is made up of a hollow coil, at least one resistance are arranged near within the sensor insert of ultrasonic transducer, and are connected in parallel with converters.
8. holding ultrasound wave flowmeter as claimed in claim 4, it is characterized in that, the series circuit that at least one is made up of a hollow coil, at least one resistance are arranged near within the sensor insert of ultrasonic transducer, and are connected in parallel with converters.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98113670 | 1998-07-22 | ||
| EP98113670.8 | 1998-07-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1250152A true CN1250152A (en) | 2000-04-12 |
| CN1101928C CN1101928C (en) | 2003-02-19 |
Family
ID=8232328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99110632A Expired - Fee Related CN1101928C (en) | 1998-07-22 | 1999-07-22 | Holding ultrasound wave flowmeter |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3043758B2 (en) |
| CN (1) | CN1101928C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101416033B (en) * | 2006-04-06 | 2011-05-18 | 费斯托股份有限两合公司 | Sensor and working machine equipped with the latter |
| CN102359802A (en) * | 2011-07-26 | 2012-02-22 | 上海交通大学 | Device for installing externally-clamping probes of portable ultrasonic flow meter |
| CN102037334B (en) * | 2008-05-19 | 2013-07-24 | 恩德莱斯和豪瑟尔两合公司 | Modular measuring device with anti-rotation clamping |
| CN103471665A (en) * | 2012-06-07 | 2013-12-25 | 中国石油化工股份有限公司 | Ultrasonic online detection device and method for liquid flow |
| CN105258742A (en) * | 2010-04-12 | 2016-01-20 | 阿帕托尔米妥斯公司 | Ultrasonic consumption meter with locking mechanism |
| CN107907174A (en) * | 2017-12-15 | 2018-04-13 | 深圳市广域创新科技发展有限公司 | Clamping device for mounting ultrasonic flowmeter sensor |
| CN111103021A (en) * | 2018-10-26 | 2020-05-05 | 株式会社琉Ｓｏｋ | Ultrasonic flow measuring device |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003065818A (en) * | 2001-06-13 | 2003-03-05 | Fuji Electric Co Ltd | Ultrasonic flow-measuring instrument |
| DE102006062705B4 (en) * | 2006-03-30 | 2015-07-30 | Krohne Ag | ultrasonic flowmeter |
| KR101135213B1 (en) * | 2011-10-24 | 2012-04-16 | 온라인인스트루먼트 주식회사 | Ultrasonic wave detector for ultrasonic flowmeter |
| JP2015001507A (en) | 2013-06-18 | 2015-01-05 | 横河電機株式会社 | Ultrasonic flow meter |
| DE102014109772B3 (en) * | 2014-07-11 | 2015-09-24 | Flexim Flexible Industriemesstechnik Gmbh | Measuring head clamping for ultrasonic flow measuring heads |
| JP6767888B2 (en) | 2017-01-26 | 2020-10-14 | 株式会社キーエンス | Ultrasonic flow sensor and temperature measurement method using it |
| JP6747994B2 (en) | 2017-01-26 | 2020-08-26 | 株式会社キーエンス | Ultrasonic flow sensor and mounting method thereof |
| FI20226018A1 (en) * | 2022-11-11 | 2024-05-12 | Flaektgroup Sweden Ab | Apparatus and method for measuring flow speed |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5131278A (en) * | 1989-06-13 | 1992-07-21 | Joseph Baumoel | Mounting structure for transducers with sonic-energy absorbing means |
-
1999
- 1999-07-22 JP JP11207764A patent/JP3043758B2/en not_active Expired - Fee Related
- 1999-07-22 CN CN99110632A patent/CN1101928C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101416033B (en) * | 2006-04-06 | 2011-05-18 | 费斯托股份有限两合公司 | Sensor and working machine equipped with the latter |
| CN102037334B (en) * | 2008-05-19 | 2013-07-24 | 恩德莱斯和豪瑟尔两合公司 | Modular measuring device with anti-rotation clamping |
| CN105258742A (en) * | 2010-04-12 | 2016-01-20 | 阿帕托尔米妥斯公司 | Ultrasonic consumption meter with locking mechanism |
| US9933291B2 (en) | 2010-04-12 | 2018-04-03 | Apator Miitors Aps | Ultrasonic consumption meter with locking mechanism |
| US10215603B2 (en) | 2010-04-12 | 2019-02-26 | Apator Miitors Aps | Ultrasonic consumption meter with locking mechanism |
| CN102359802A (en) * | 2011-07-26 | 2012-02-22 | 上海交通大学 | Device for installing externally-clamping probes of portable ultrasonic flow meter |
| CN102359802B (en) * | 2011-07-26 | 2013-06-19 | 上海交通大学 | Device for installing externally-clamping probes of portable ultrasonic flow meter |
| CN103471665A (en) * | 2012-06-07 | 2013-12-25 | 中国石油化工股份有限公司 | Ultrasonic online detection device and method for liquid flow |
| CN103471665B (en) * | 2012-06-07 | 2016-09-21 | 中国石油化工股份有限公司 | Fluid flow ultrasound wave on-line measuring device and detection method |
| CN107907174A (en) * | 2017-12-15 | 2018-04-13 | 深圳市广域创新科技发展有限公司 | Clamping device for mounting ultrasonic flowmeter sensor |
| CN111103021A (en) * | 2018-10-26 | 2020-05-05 | 株式会社琉Ｓｏｋ | Ultrasonic flow measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1101928C (en) | 2003-02-19 |
| JP2000046607A (en) | 2000-02-18 |
| JP3043758B2 (en) | 2000-05-22 |
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