CN106370246A - Ultrasonic wave flow rate metering device - Google Patents
Ultrasonic wave flow rate metering device Download PDFInfo
- Publication number
- CN106370246A CN106370246A CN201610778287.XA CN201610778287A CN106370246A CN 106370246 A CN106370246 A CN 106370246A CN 201610778287 A CN201610778287 A CN 201610778287A CN 106370246 A CN106370246 A CN 106370246A
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- China
- Prior art keywords
- signal processing
- flow rate
- ultrasonic
- ultrasonic transducer
- processing apparatus
- 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.)
- Pending
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- 238000012545 processing Methods 0.000 claims abstract description 59
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims description 71
- 239000003292 glue Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000002604 ultrasonography Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 239000000565 sealant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to an ultrasonic wave flow rate metering device, which comprises a measuring pipe body and a signal processing device. The ultrasonic wave flow rate metering device is characterized in that a lug boss sealing body matched with a pipeline flange of fluid to be measured is arranged at each of two ends of the measuring pipe body; paired ultrasonic transducer installing holes are formed in the inner side of the measuring pipe body. The ultrasonic transducer installing holes are formed in the inner side of the measuring pipe body, and extend into spaces of the lug boss sealing bodies; the forming positions of the ultrasonic transducer installing holes meet the requirements that the measuring signals of two ultrasonic transducers can realize the direct irradiation; the measuring signals of the ultrasonic transducers are introduced into a signal processing device through a signal wire. The total length of the ultrasonic wave flow rate metering device is smaller than the length of the conventional pipe section type flow rate metering device; the clamping installation is convenient to realize. The two sides of the ultrasonic wave flow rate metering device are connected with a water supply pipe through flanges; then, the signal processing device is positioned in a space formed by the water pipe flanges positioned at the two sides and the measuring pipe body; the position is hidden; the protection on the signal processing device is facilitated. A battery cabin and a main board cabin of the signal processing device use separated design, so that the maintenance is convenient.
Description
Technical field
The invention belongs to field of flow measurement, more particularly, to a kind of ultrasonic flow rate measurement device.
Background technology
Flow measurement device generally includes the ultrasonic transducer being arranged in measurement main body, signal processing apparatus.Existing
Have in technology, generally ultrasonic transducer is fixedly mounted on the tube wall of measurement body exterior of flow measurement device, and makes
The surface of emission of ultrasonic transducer passes through tube wall to contact with the fluid in measurement main body, is launched by ultrasonic transducer signal
With reception thus realizing measuring the function of fluid.
Signal processing apparatus are typically fixed in measurement main body by pole, and signal processing apparatus are higher than flange outer diameter.Super
Acoustic wave transducer, by the outside loading measuring main body, realizes sealing and fixing, ultrasonic wave transducer by o type sealing ring and screw element
The holding wire of device passes through exterior line entering signal processing meanss.No matching used sealing gasket.
Adopting metal material existing measurement main body, the concentric holes that there is certain angle certain length measurement main body both sides are pacified more
Dress ultrasonic transducer.The obvious defect of presence of current structure: 1, transducer is fixedly mounted on outside flow measurement device
Tube wall on be highly susceptible to damage, be easily subject to different factor interference effect measuring accuracies and unsightly.2nd, signal processing device
The installation site put be higher than flange, exposed outside pipeline it is easy to cause the accident of signal processing apparatus to touch.3rd, ultrasound wave
Transducer installation operation is complicated, and holding wire delivery line outward appearance is irregular, is unfavorable for protection signal line.4th, sealing gasket and ultrasound wave
Effusion meter does not match, occur in installation process sealing gasket need man-hour manually hand-held, install after sealing gasket and ultrasonic flowmeter sealing surface
The problems such as decentraction, upset current.5th, metal material measurement main body high cost, quality weight, processing time consuming is laborious, and mismachining tolerance is not
Controlled, have impact on precision and the application of ultrasonic measurement to a certain extent.
Content of the invention
The technical problem to be solved in the present invention is that the transducer of current ultrasonic flow rate measurement device is fixedly mounted on stream
It is highly susceptible to damage on tube wall outside amount metering device, be easily subject to different factor interference effect measuring accuracies, waterproof to imitate
Really poor and inaesthetic problem.
The present invention also solve simultaneously signal processing apparatus installation site be higher than flange, exposed outside pipeline, hold very much
Easily cause the accident touching of signal processing apparatus；Ultrasonic transducer installation operation is complicated, and holding wire delivery line outward appearance is not advised
Then, it is unfavorable for protection signal line；Sealing gasket is not matched with ultrasonic flowmeter, and sealing gasket in installation process needs artificial hand
Hold, install after sealing gasket and ultrasonic flowmeter sealing surface decentraction, the problems such as upset current；And metal material measurement main body
High cost, quality weight, processing time consuming is laborious, and mismachining tolerance is uncontrollable, have impact on to a certain extent the precision of ultrasonic measurement with
The problem of application.
The technical scheme that present invention solution prior art problem is adopted:
A kind of ultrasonic flow rate measurement device, including measurement body, signal processing apparatus it is characterised in that: described measurement body
Two ends are had the boss seal being matched with fluid circuit flange to be measured, offer into respectively in the inner side of described measurement body
To ultrasonic transducer installing hole, described ultrasonic transducer installing hole is located at the described measurement inner side of body and extends to institute
State in the space of boss seal, in ultrasonic transducer installing hole, be separately installed with ultrasonic transducer, ultrasonic transducer
Installing hole open up position so that the measurement signal of two ultrasonic transducers realizes direct projection, the measurement signal of ultrasonic transducer
Cause signal processing apparatus through holding wire.
Further, described ultrasonic transducer installing hole is opened in the two ends of the inner side of measurement body respectively.
Further, the axis collinear of two described ultrasonic transducer installing holes.
Further, described boss seal is respectively provided with the rib of inclination.
Further, the outer face of described boss seal is provided with hidden line groove, the holding wire of described ultrasonic transducer
It is connected with signal processing apparatus after hidden line groove.
Further, described hidden line groove be arc, described hidden line groove respectively with walk line three-way hole, entrance hole is connected, institute
The holding wire stating ultrasonic transducer passes sequentially through entrance hole, hidden line groove, walk line three-way hole after be connected with signal processing apparatus.
Further, the bottom shape of described signal processing apparatus and the described outside measuring body and two ends boss seal
The matching form that formed closes so that described signal processing apparatus be arranged on measurement body outside and two boss seals it
Between.
Further, the flange that described signal processing apparatus apical side height is used with this ultrasonic fluid metering device of installation
External diameter highly maintain an equal level or less than flange external diameter height.
Further, described signal processing apparatus along described measurement body be axially arranged with bolt hole, bolt hole will be believed
Number processing meanss are divided into mainboard storehouse and battery compartment, and the side wall in described mainboard storehouse is provided with glue filling opening.
Further, described ultrasonic transducer installing hole is angularly disposed, and makes the axle of two ultrasonic transducer installing holes
The center of the measured body of line；The described axis of two ultrasonic transducer installing holes and fluid flow direction are in 30 ° -60 ° folders
Angle.
The beneficial effects of the present invention is:
(1) ultrasonic flow rate measurement device of the present invention makes ultrasonic transducer install so that ultrasound wave in the inside of measurement body
Transducer is not readily susceptible to damage, and makes the sealing at ultrasonic transducer installing hole become simpler safety, good water-proof effect,
Also more attractive in appearance.
(2) ultrasonic flow rate measurement device signal processing apparatus apical side height of the present invention measures with installing this ultrasonic fluid
The external diameter of the flange being used highly maintains an equal level or the external diameter height less than flange.When the both sides of the present invention are connected by flange
After upper hose, in the space that signal processing device is formed with measurement body setting in water pipe flange, position is concealed to be beneficial to signal
The protection of processing meanss.
(3) ultrasonic flow rate measurement device of the present invention had both met holding wire and signal by the design of arc hidden line groove
The connection of processing meanss, and effectively avoid holding wire and walk spool and be exposed to outside body destroyed risk.
(4) its overall length of ultrasonic flow rate measurement device of the present invention is less than conventional pipeline section type effusion meter overall length, light weight
Low cost, simultaneously the present invention adopt plastic material, more avoid metal material measurement main body high cost, quality weight, processing time consuming
Arduously, mismachining tolerance is uncontrollable, have impact on the precision of ultrasonic measurement and the problem of application to a certain extent.
(5) ultrasonic flow rate measurement device of the present invention is provided with supporting sealing gasket, it is to avoid occur close in installation process
Packing needs man-hour manually hand-held, install after sealing gasket and ultrasonic flow rate measurement device sealing surface decentraction, upset current the problems such as.
(6) ultrasonic flow rate measurement device of the present invention is set by the separate type of signal processing apparatus battery compartment and mainboard storehouse
Meter, solely can carry out embedding fluid sealant to mainboard warehouse receipt, be easy to battery altering and maintenance.
Brief description
Fig. 1 is the ultrasonic flow rate measurement device structural representation of the present invention.
Fig. 2 is the front view of boss seal of the present invention.
Fig. 3 is the a-a profile of Fig. 2.
Fig. 4 is the inside connection diagram of the present invention.
Fig. 5 is the connection diagram with water pipe flange for the signal processing apparatus of the present invention.
Fig. 6 is the use state schematic diagram of the present invention.
Fig. 7 is the structural representation of sealing gasket of the present invention.
In figure: 1- measurement body, 2- ultrasonic transducer installing hole, 3- signal processing apparatus, 4- boss seal, 5- are close
Packing, 6- walk line three-way hole, 7- stay bolt, 3a- glue filling opening, 3b- bolt hole, 3c- mainboard storehouse, 3d- battery compartment, 3e- incoming line,
4a- sealing hole, 4b- hidden line groove, 4c- entrance hole, 5a- sealing column.
Specific embodiment
Below in conjunction with the drawings and the specific embodiments, the present invention will be described:
Fig. 1 is a kind of ultrasonic flow rate measurement device of the present invention, including measurement body 1, signal processing apparatus 3, measures 1 liang of body
End have the boss seal 4 matching with fluid circuit flange to be measured, measurement body 1 inner side offer respectively paired
Ultrasonic transducer installing hole 2, ultrasonic transducer installing hole 2 is located at the inner side of measurement body 1 and extends to boss seal 4
Space in, be separately installed with ultrasonic transducer in ultrasonic transducer installing hole 2, the opening of ultrasonic transducer installing hole 2
If position makes the measurement signal of two ultrasonic transducers realize direct projection, the measurement signal of ultrasonic transducer is drawn through holding wire
To signal processing apparatus 3.Ultrasonic transducer installing hole 2 is opened in the two ends of the inner side of measurement body 1, two ultrasound wave respectively
The axis collinear of transducer installing hole 2.Boss seal 4 is respectively provided with the rib of inclination.
As shown in Fig. 2 the outer face of boss seal 4 is provided with hidden line groove 4b, hidden line groove 4b is arc.As Fig. 4
Shown, the holding wire of ultrasonic transducer is connected with signal processing apparatus 3 after hidden line groove 4b, hidden line groove 4b respectively with
Walk line three-way hole 6, entrance hole 4c is connected, the holding wire of ultrasonic transducer passes sequentially through entrance hole 4c, hidden line groove 4b, cabling
It is connected with signal processing apparatus 3 after through hole 6, wherein, the position of entrance hole 4c is as shown in Figure 3 and Figure 4.
As shown in Figure 1 and Figure 4, the bottom shape of signal processing apparatus 3 and the outside of measurement body 1 are sealed with two ends boss
The matching form that body 4 is formed closes, so that the outside that described signal processing apparatus 3 are arranged on measurement body 1 is close with two boss
Between envelope body 4.Signal processing apparatus 3 apical side height is high with the external diameter installing the flange that this ultrasonic fluid metering device is used
Degree maintains an equal level or the external diameter height less than flange.
As shown in figure 1, signal processing apparatus insert the top that measurement body 1 is fixed in storehouse 3, and signal processing apparatus are made to put
The 3 incoming line 3e of putting in storage is coaxially disposed with walking line three-way hole 6, so that the holding wire of ultrasonic transducer is through to signal processing apparatus
Insert in storehouse 3.Meanwhile, signal processing apparatus 3 are axially arranged with bolt hole 3b along measurement body 1, and bolt hole 3b is by signal
Processing meanss 3 are divided into mainboard storehouse 3c and battery compartment 3d, and the side wall of mainboard storehouse 3c is provided with glue filling opening 3a.Wherein bolt hole 3b is
During in order to access water pipe flange on the boss seal 4 of the present invention, a stay bolt 7 can be utilized same by bolt hole 3b
When fix and clamp the water pipe flange at two ends of the present invention, play the effect being tightly connected；Mainboard storehouse 3c passes through incoming line 3e and line
Through hole 6 is connected with hidden line groove 4b, and glue filling opening 3a is then used for pouring fluid sealant after mainboard storehouse 3c is built into mainboard and uses.Its
In, near the position of incoming line 3e in the 3c of mainboard storehouse, inlet wire plate can be set, in case stop signal line moves.
Ultrasonic transducer installing hole 2 is angularly disposed, and make two ultrasonic transducer installing holes 2 axis measured
The center of body.The axis of two ultrasonic transducer installing holes 2 is in 30 ° of -60 ° of angles with fluid flow direction.When be embodied as manage
Body bore is dn80, when body overall length selects 100mm, the best angle choosing of two transducer axis and detected fluid pipeline axis
With 56 °, now two transducer transmitting interplanar distances are maximum, and the time difference in following current and adverse current for the pulse signal is maximum, and the time difference is bigger
More be conducive to measuring.
As shown in Fig. 2 the surface of boss seal 4 is distributed with along the even circumferential of boss seal 4 centered on the center of circle
Sealing hole 4a；For ensureing the sealing with the flange at external water pipe end, it is provided with sealing gasket 5 in the outer surface of boss seal 4, such as
Shown in Fig. 5.Fig. 7 shows the concrete structure of sealing gasket: this sealing gasket 5 be provided with multiple with boss seal 4 on partly close
Sealing column 5a that sealing of hole 4a matches, it is right with boss seal 4 surface that sealing gasket 5 and boss seal 4 pass through sealing column 5a
The sealing hole 4a grafting answered is fixed.
The installation of the present invention and using method are:
As seen in figs. 5-6, signal processing apparatus are assembled in the top of boss seal 4 by screw, the two ends of measurement body 1
Boss seal 4 passes through water pipe flange connecting water pipe, and two water pipe flanges pass through a stay bolt 7 and pass through signal processing apparatus
The signal processing apparatus of the present invention are fixed by bolt hole 3b.As shown in fig. 6, along water pipe flange circumference also by stay bolt 7
It is clamped fixing, the excircle of usual water pipe standard flange is more than boss seal 4, therefore by the present invention and water pipe flange
After success is installed, signal processing apparatus can be made to insert the height in storehouse 3 without departing from the external diameter of water pipe flange, be effectively protected letter
Number processing meanss.During installation, ultrasonic transducer is arranged on ultrasonic transducer installing hole 2 on the medial surface of boss seal 4
Interior, and make the transmitting terminal of ultrasonic transducer towards the axis measuring body 1, before installing ultrasonic transducer, in ultrasound wave
The outer surface of transducer smears fluid sealant so as to form sealing with ultrasonic transducer installing hole 2.Two ultrasonic transducers
Outfan passes through holding wire respectively, and the entrance hole 4c through boss seal 4 reaches the hidden line groove 4b on boss seal 4 surface,
Reach line three-way hole 6 through hidden line groove 4b again thus connecting to signal processing apparatus in the mainboard storehouse 3c insert storehouse 3 with mainboard even
Connect.After installation is complete, pour into sealant sealing by hidden line groove 4b, then by hidden line groove 4b with coordinating with hidden line groove 4b
The lid of design covers tightly.
Above content is to further describe it is impossible to assert with reference to specific optimal technical scheme is made for the present invention
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, some simple deduction or replace can also be made, all should be considered as belonging to the present invention's
Protection domain.
Claims (10)
1. a kind of ultrasonic flow rate measurement device, including measurement body (1), signal processing apparatus (3) it is characterised in that: described
Measurement body (1) two ends have the boss seal (4) matching with fluid circuit flange to be measured, in described measurement body (1)
Inner side offer paired ultrasonic transducer installing hole (2) respectively, described ultrasonic transducer installing hole (2) is located at described
The inner side of measurement body (1) simultaneously extends in the space of described boss seal (4), in ultrasonic transducer installing hole (2) point
Ultrasonic transducer is not installed, ultrasonic transducer installing hole (2) open up the survey that position makes two ultrasonic transducers
Amount signal realizes direct projection, and the measurement signal of ultrasonic transducer causes signal processing apparatus (3) through holding wire.
2. ultrasonic flow rate measurement device according to claim 1 it is characterised in that: described ultrasonic transducer installing hole
(2) it is opened in the two ends of the inner side of measurement body (1) respectively.
3. ultrasonic flow rate measurement device according to claim 1 it is characterised in that: two described ultrasonic transducers
The axis collinear of installing hole (2).
4. ultrasonic flow rate measurement device according to claim 1 it is characterised in that: described boss seal (4) is respectively
There is the rib of inclination.
5. ultrasonic flow rate measurement device according to claim 1 it is characterised in that: described boss seal (4) outer
End face is provided with hidden line groove (4b), and the holding wire of described ultrasonic transducer passes through hidden line groove (4b) afterwards and signal processing device
Put (3) to connect.
6. ultrasonic flow rate measurement device according to claim 5 it is characterised in that: described hidden line groove (4b) be arc
Shape, described hidden line groove (4b) respectively with walk line three-way hole (6), entrance hole (4c) is connected, the signal of described ultrasonic transducer
Line is passed sequentially through entrance hole (4c), hidden line groove (4b), walks line three-way hole (6) and be connected with signal processing apparatus (3) afterwards.
7. the ultrasonic flow rate measurement device according to claim 1 or 6 it is characterised in that: described signal processing apparatus (3)
The matching form that formed of outside and two ends boss seal (4) of bottom shape and described measurement body (1) close, so that institute
State signal processing apparatus (3) to be arranged between the outside of measurement body (1) and two boss seals (4) and fix.
8. ultrasonic flow rate measurement device according to claim 1 it is characterised in that: described signal processing apparatus (3) top
Face height is highly maintained an equal level or the external diameter less than flange with the external diameter installing the flange that this ultrasonic fluid metering device is used
Highly.
9. ultrasonic flow rate measurement device according to claim 1 it is characterised in that: described signal processing apparatus (3) edge
Described measurement body (1) be axially arranged with bolt hole (3b), signal processing apparatus (3) are divided into mainboard by bolt hole (3b)
Storehouse (3c) and battery compartment (3d), the side wall of described mainboard storehouse (3c) is provided with glue filling opening (3a).
10. ultrasonic flow rate measurement device according to claim 1 it is characterised in that: described ultrasonic transducer is installed
Hole (2) is angularly disposed, and makes the center of the measured body of axis of two ultrasonic transducer installing holes (2)；Described two
The axis of individual ultrasonic transducer installing hole (2) is in 30 ° of -60 ° of angles with fluid flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610778287.XA CN106370246A (en) | 2016-08-31 | 2016-08-31 | Ultrasonic wave flow rate metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610778287.XA CN106370246A (en) | 2016-08-31 | 2016-08-31 | Ultrasonic wave flow rate metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106370246A true CN106370246A (en) | 2017-02-01 |
Family
ID=57901175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610778287.XA Pending CN106370246A (en) | 2016-08-31 | 2016-08-31 | Ultrasonic wave flow rate metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106370246A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405904A (en) * | 2017-08-17 | 2019-03-01 | 兰吉尔有限公司 | The sonic probe with stiffening plate for flowmeter |
| CN110530426A (en) * | 2019-09-06 | 2019-12-03 | 克里特集团有限公司 | A kind of Internet of Things pipeline monitoring device |
| CN112729432A (en) * | 2021-02-04 | 2021-04-30 | 大连博克斯流体科技有限公司 | Clamping type double-track water meter |
| WO2021139033A1 (en) * | 2020-01-10 | 2021-07-15 | 青岛海威茨仪表有限公司 | Fixed mounting structure for lining type ultrasonic flowmeter |
| CN113865660A (en) * | 2021-10-12 | 2021-12-31 | 重庆智慧水务有限公司 | Flow passage core body, flow passage structure and ultrasonic water meter |
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| US20110271769A1 (en) * | 2009-12-21 | 2011-11-10 | Tecom As | Flow measuring apparatus |
| CN202533119U (en) * | 2012-01-14 | 2012-11-14 | 河南新天科技股份有限公司 | Wireless reflection type ultrasonic wave flow meter |
| CN202661117U (en) * | 2012-05-23 | 2013-01-09 | 河南新天科技股份有限公司 | Flange-type ultrasonic flowmeter |
| CN203657856U (en) * | 2013-12-06 | 2014-06-18 | 宁波水表股份有限公司 | Insertion-type ultrasonic flow transducer |
| CN204330187U (en) * | 2015-01-12 | 2015-05-13 | 沈伦勇 | New Large Caliber ultrasonic calorimeter |
| CN206056687U (en) * | 2016-08-31 | 2017-03-29 | 大连道盛仪表有限公司 | A kind of ultrasonic flow rate measurement device |
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2016
- 2016-08-31 CN CN201610778287.XA patent/CN106370246A/en active Pending
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| US20110271769A1 (en) * | 2009-12-21 | 2011-11-10 | Tecom As | Flow measuring apparatus |
| CN202533119U (en) * | 2012-01-14 | 2012-11-14 | 河南新天科技股份有限公司 | Wireless reflection type ultrasonic wave flow meter |
| CN202661117U (en) * | 2012-05-23 | 2013-01-09 | 河南新天科技股份有限公司 | Flange-type ultrasonic flowmeter |
| CN203657856U (en) * | 2013-12-06 | 2014-06-18 | 宁波水表股份有限公司 | Insertion-type ultrasonic flow transducer |
| CN204330187U (en) * | 2015-01-12 | 2015-05-13 | 沈伦勇 | New Large Caliber ultrasonic calorimeter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405904A (en) * | 2017-08-17 | 2019-03-01 | 兰吉尔有限公司 | The sonic probe with stiffening plate for flowmeter |
| CN110530426A (en) * | 2019-09-06 | 2019-12-03 | 克里特集团有限公司 | A kind of Internet of Things pipeline monitoring device |
| WO2021139033A1 (en) * | 2020-01-10 | 2021-07-15 | 青岛海威茨仪表有限公司 | Fixed mounting structure for lining type ultrasonic flowmeter |
| CN112729432A (en) * | 2021-02-04 | 2021-04-30 | 大连博克斯流体科技有限公司 | Clamping type double-track water meter |
| CN113865660A (en) * | 2021-10-12 | 2021-12-31 | 重庆智慧水务有限公司 | Flow passage core body, flow passage structure and ultrasonic water meter |
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Application publication date: 20170201 |
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