CN201229354Y - Fluid measurement device - Google Patents
Fluid measurement device Download PDFInfo
- Publication number
- CN201229354Y CN201229354Y CNU2008201301468U CN200820130146U CN201229354Y CN 201229354 Y CN201229354 Y CN 201229354Y CN U2008201301468 U CNU2008201301468 U CN U2008201301468U CN 200820130146 U CN200820130146 U CN 200820130146U CN 201229354 Y CN201229354 Y CN 201229354Y
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- straight tube
- cone
- guiding device
- measuring
- fluid measurement
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Abstract
The utility model discloses a liquid measuring device, which comprises a measuring straight tube, wherein two openings are arranged on the side wall of the measuring straight tube, the openings are respectively provided with an ultrasonic transducer, two oblique reflector plates are arranged in the measuring straight tube, reflecting surfaces of the reflector plates are opposite to the openings obliquely, the backs of the reflector plates are connected with a diversion device through a supporting rib respectively, the diversion device is connected with a cone, a pointed end of the cone is positively opposite to a leading-in port and a leading-out port, the reflector plates, the supporting rib, the diversion device and the cone are located on the midpoint of the measuring straight tube and leave a gap which can be provided for liquid to flow with the side wall of the measuring straight tube, and the liquid measuring device which can be widely applied in big pipelines and small pipelines is provided aiming at the problem that a traditional liquid measuring device is not suitable for measuring the liquid in small pipelines with small acoustic range. The utility model has the advantages that the structure is simple, the computation precision is high, the calculation difficulty is low, and the like, and can be widely applied in the field of ultrasonic wave liquid measurement.
Description
Technical field
The utility model relates to a kind of fluid measurement instrument, adopts the flow velocity and the flow of ultrasonic technology measurement gas, liquid.
Background technology
Present domestic ultrasonic fluid measurement pipe special generally is made up of duct wall and sensor mounting hole.Sensor is installed on the both sides of duct wall symmetry.This kind structure is applicable to large diameter pipeline, and small-bore pipeline is because caliber is little, and sound path is little in the ultrasonic fluid measurement of tubule footpath, and therefore the technical barrier of flowing instability is difficult to adopt this structure.
Therefore, be necessary a kind of fluid measurement instrument that can measure the fluid flow in the big small pipeline and flow velocity newly developed.
The utility model content
Technical problem to be solved in the utility model is, is not suitable for measuring the problem of the fluid in the little small pipeline of sound path at the conventional fluid measurement mechanism, and a kind of fluid measurement instrument that is widely used in large pipeline and small pipeline is provided.
A kind of fluid measurement instrument, comprise that one measures straight tube, be provided with two openings at the sidewall of measuring straight tube, two opening parts respectively are provided with a ultrasonic transducer, measure the reflector plate that is provided with two inclinations in the straight tube, the reflecting surface of reflector plate is tiltedly to opening, the back side of reflector plate respectively connects guiding device by a ribs, guiding device connects cone, the tip of cone is over against introducing port and export mouth, and reflector plate, ribs, guiding device and cone all are positioned at the centre of measuring straight tube, and and measure and leave the gap that can flow through for fluid between the sidewall of straight tube.
Described guiding device is, fix several guide vanes along the direction of axle around one, guide vane is divided into the space that several are isolated mutually with the surrounding space of axle, and fluid flows through in the space that isolates mutually, avoid fluid to form turbulent flow, the precision that influence is measured.
Described guide vane is square, triangle or trapezoidal, also can be other shapes.
A kind of fluid measurement instrument, comprise that one measures straight tube, in measuring straight tube, be provided with two ultrasonic transducers, ultrasonic transducer connects guiding device by ribs, guiding device respectively connects a cone, the tip of cone is over against introducing port and export mouth, and ribs, guiding device and cone all be positioned at the centre of measuring straight tube, and and measures and leave the gap that can flow through for fluid between the sidewall of straight tube.
Described guiding device is, fix several guide vanes along the direction of axle around one, guide vane is divided into the space that several are isolated mutually with the surrounding space of axle, and fluid flows through in the space that isolates mutually, avoid fluid to form turbulent flow, the precision that influence is measured.
Described guide vane is square, triangle or trapezoidal, also can be other shapes.
Described ultrasonic transducer is magnetostriction type ultrasonic transducer or piezoelectric ceramic type ultrasonic transducer.
Technique effect of the present utility model is outstanding, be in particular in: it is little to have solved in the ultrasonic fluid measurement of tubule footpath sound path, flowing instability causes measuring inaccurate technical barrier, have simple in structure, the measuring accuracy height, advantages such as difficulty in computation is low can be widely used in the ultrasonic fluid measurement field.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model;
Fig. 2 is another one-piece construction synoptic diagram of the present utility model.
Description of symbols among the figure
1---measuring straight tube 2,2 '---ultrasonic transducer
3,3 '---reflector plate 4,4 '---ribs
5,5 '---guiding device 6,6 '---cone
7---introducing port 7 '---export mouth
Embodiment
As shown in Figure 1, the structure with reflector plate is:
A kind of fluid measurement instrument, comprise that one measures straight tube 1, be provided with two openings at the sidewall of measuring straight tube 1, two opening parts respectively are provided with a ultrasonic transducer 2,2 ', measure the reflector plate 3 that is provided with two inclinations in the straight tube 1,3 ', reflector plate 3,3 ' reflecting surface is tiltedly to opening, reflector plate 3,3 ' the back side is respectively by a ribs 4,4 ' connects guiding device 5,5 ', guiding device 5,5 ' respectively connects a cone 6,6 ', cone 6,6 ' tip is over against introducing port 7 and export mouth 7 ', and reflector plate 3,3 ', ribs 4,4 ', guiding device 5,5 ' and cone 6,6 ' all is positioned at the centre of measuring straight tube 1, and and measures and leave the gap that can flow through for fluid between the sidewall of straight tube 1.
Described guiding device 5,5 ' is, around a (not shown), fix several guide vane (not shown) along the direction of axle, guide vane is divided into the space that several are isolated mutually with the surrounding space of axle, fluid flows through in the space that isolates mutually, avoid fluid to form turbulent flow, the precision that influence is measured.
Described guide vane is square, triangle or trapezoidal, also can be other shapes.
Above-mentioned principle with fluid measurement instrument of reflector plate is: treats fluid measured through introducing port 7, enters and measure straight tube 1, and the cone 6 of flowing through successively, guiding device 5, guiding device 5 ' and cone 6 ', flow out from export mouth 7 ' at last.Utilize ultrasonic transducer 2 to send ultrasound wave, at first be transmitted into reflector plate 3, reflex to reflector plate 3 ' through reflector plate 3, reflector plate 3 ' arrives ultrasonic transducer 2 ' with ultrasonic reflections again, obtain the time of a ultrasonic transmission, same principle, send ultrasound wave by ultrasonic transducer 2 ' again, through reflector plate 3 ', reflex to reflector plate 3, reflector plate 3 arrives ultrasonic transducer 2 with ultrasonic reflections again, obtain the time of another time ultrasonic transmission, utilize the influence relation of rate of flow of fluid, according to the mistiming of ultrasound wave round-trip transmission to ultrasonic transmission speed, can measure relevant parameters, and then can calculate and flow through the flow rate of fluid measured in the straight tube 1 and flow etc.
Also have a kind of fluid measurement instrument, do not adopt reflector plate.
A kind of fluid measurement instrument, comprise that one measures straight tube 1, in measuring straight tube 1, be provided with two ultrasonic transducers 2,2 ', ultrasonic transducer 2,2 ' passes through ribs 4,4 ' and connects guiding device 5,5 ', guiding device 5,5 ' respectively connects a cone 6,6 ', introducing port 7 and export mouth 7 ' are aimed in cone 6,6 ' tip, and ribs 4,4 ', guiding device 5,5 ' and cone 6,6 ' all be positioned at the centre of measuring straight tube 1, and and measure and leave the gap that can flow through for fluid between the sidewall of straight tube 1.
Described guiding device 5,5 ' is, around a (not shown), fix several guide vane (not shown) along the direction of axle, guide vane is divided into the space that several are isolated mutually with the surrounding space of axle, fluid flows through in the space that isolates mutually, avoid fluid to form turbulent flow, the precision that influence is measured.
Described guide vane is square, triangle or trapezoidal, also can be other shapes.
Described ultrasonic transducer 2,2 ' is magnetostriction type ultrasonic transducer or piezoelectric ceramic type ultrasonic transducer.
Above-mentioned do not have the principle of the fluid measurement instrument of reflector plate to be: treat fluid measured through introducing port 7, enter and measure straight tube 1, and the cone 6 of flowing through successively, guiding device 5, guiding device 5 ' and cone 6 ', flow out from export mouth 7 '.Utilize ultrasonic transducer 2 to send ultrasound wave to ultrasonic transducer 2 ', obtain the time of a ultrasonic transmission, then, send ultrasonic echography wave transducer 2 by ultrasonic transducer 2 ' again, obtain the time of another time ultrasonic transmission, utilize the influence relation of rate of flow of fluid, according to the mistiming of ultrasound wave round-trip transmission to ultrasonic transmission speed, can measure relevant parameters, and then can calculate and flow through the flow rate of fluid of measuring straight tube 1 and flow etc.
Claims (6)
1. fluid measurement instrument, comprise that one measures straight tube, it is characterized in that: be provided with two openings at the sidewall of measuring straight tube, opening part respectively is provided with a ultrasonic transducer, measure the reflector plate that is provided with two inclinations in the straight tube, the reflecting surface of reflector plate is tiltedly to opening, the back side of reflector plate respectively connects guiding device by a ribs, guiding device connects cone, the tip of cone is over against introducing port and export mouth, and reflector plate, ribs, guiding device and cone all are positioned at the centre of measuring straight tube, and and measure and leave the gap that can flow through for fluid between the sidewall of straight tube.
2. by the described fluid measurement instrument of claim 1, it is characterized in that: described guiding device is, fixes several guide vanes along the direction of axle around one, and guide vane is divided into the space that several are isolated mutually with the surrounding space of axle.
3. by the described fluid measurement instrument of claim 2, it is characterized in that: described guide vane is square, triangle or trapezoidal.
4. fluid measurement instrument, comprise that one measures straight tube, it is characterized in that: in measuring straight tube, be provided with two ultrasonic transducers, ultrasonic transducer connects guiding device by ribs, guiding device respectively connects a cone, the tip of cone is over against introducing port and export mouth, and ribs, guiding device and cone all be positioned at the centre of measuring straight tube, and and measures and leave the gap that can flow through for fluid between the sidewall of straight tube.
5. by the described fluid measurement instrument of claim 4, it is characterized in that: described guiding device is, fixes several guide vanes along the direction of axle around one, and guide vane is divided into the space that several are isolated mutually with the surrounding space of axle.
6. by the described fluid measurement instrument of claim 5, it is characterized in that: described guide vane is square, triangle or trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201301468U CN201229354Y (en) | 2008-08-03 | 2008-08-03 | Fluid measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201301468U CN201229354Y (en) | 2008-08-03 | 2008-08-03 | Fluid measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201229354Y true CN201229354Y (en) | 2009-04-29 |
Family
ID=40634298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201301468U Expired - Fee Related CN201229354Y (en) | 2008-08-03 | 2008-08-03 | Fluid measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201229354Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949748A (en) * | 2010-08-27 | 2011-01-19 | 哈尔滨华惠电气有限公司 | Stream guider and heat meter calibrating installation using same |
| CN102353405A (en) * | 2011-07-07 | 2012-02-15 | 石家庄奥森自动化仪表有限公司 | Steady-state circulation body for vortex shedding flowmeter |
| CN104655204A (en) * | 2013-11-20 | 2015-05-27 | 西安北斗星数码信息股份有限公司 | Ultrasonic water meter |
| CN106066197A (en) * | 2016-05-05 | 2016-11-02 | 汇中仪表股份有限公司 | A kind of Ultrasonic water meter, hotlist, flowmeter measurement sensor and using method thereof |
| CN109141555A (en) * | 2018-08-28 | 2019-01-04 | 山东大学 | New type ultrasonic flow measurement instrument with the whirlpool blade construction that disappears |
| CN111189500A (en) * | 2020-03-05 | 2020-05-22 | 广东奥迪威传感科技股份有限公司 | Ultrasonic flow device and ultrasonic flow meter |
-
2008
- 2008-08-03 CN CNU2008201301468U patent/CN201229354Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949748A (en) * | 2010-08-27 | 2011-01-19 | 哈尔滨华惠电气有限公司 | Stream guider and heat meter calibrating installation using same |
| CN101949748B (en) * | 2010-08-27 | 2013-02-06 | 哈尔滨华惠电气有限公司 | Stream guider and heat meter calibrating installation using same |
| CN102353405A (en) * | 2011-07-07 | 2012-02-15 | 石家庄奥森自动化仪表有限公司 | Steady-state circulation body for vortex shedding flowmeter |
| CN102353405B (en) * | 2011-07-07 | 2012-10-03 | 石家庄奥森自动化仪表有限公司 | Steady-state circulation body for vortex shedding flowmeter |
| CN104655204A (en) * | 2013-11-20 | 2015-05-27 | 西安北斗星数码信息股份有限公司 | Ultrasonic water meter |
| CN106066197A (en) * | 2016-05-05 | 2016-11-02 | 汇中仪表股份有限公司 | A kind of Ultrasonic water meter, hotlist, flowmeter measurement sensor and using method thereof |
| CN106066197B (en) * | 2016-05-05 | 2022-11-11 | 汇中仪表股份有限公司 | Measuring sensor for ultrasonic water meter, heat meter and flow meter and using method thereof |
| CN109141555A (en) * | 2018-08-28 | 2019-01-04 | 山东大学 | New type ultrasonic flow measurement instrument with the whirlpool blade construction that disappears |
| CN111189500A (en) * | 2020-03-05 | 2020-05-22 | 广东奥迪威传感科技股份有限公司 | Ultrasonic flow device and ultrasonic flow meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20150803 |
|
| EXPY | Termination of patent right or utility model |