CN102426039B - Rotary current stabilizer - Google Patents
Rotary current stabilizer Download PDFInfo
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- CN102426039B CN102426039B CN2011102874571A CN201110287457A CN102426039B CN 102426039 B CN102426039 B CN 102426039B CN 2011102874571 A CN2011102874571 A CN 2011102874571A CN 201110287457 A CN201110287457 A CN 201110287457A CN 102426039 B CN102426039 B CN 102426039B
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- rotating vane
- reflector
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- rotary current
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Abstract
The invention relates to a fluid metering device and particularly relates to a rotary current stabilizer. The rotary current stabilizer is provided with an anemostat body, wherein the two ends of the anemostat body are respectively and correspondingly provided with a reflector base; the reflector bases are provided with reflector brackets; and reflector frames are arranged at the centers of the reflector bases through the reflector brackets. The rotary current stabilizer is characterized in that 2-4 rotating blades are circumferentially arrayed between the brackets at the outer sides of the reflector frames; the rotating blades are in the shape of a square plate; and the included angle between the upper surface and outside surface of each rotating blade is 80 degrees, so that the radial deflection angle, relative to the anemostat body, of each rotating blade is 10 degrees; the upper end face of each rotating blade is of a transitional arc-shaped face, thereby being beneficial to the reduction of the fluid resistance and avoiding the pulsation amplitude; and each rotating blade inclines axially, so that the included angle between each inclined face and the axis of the anemostat body is between 20 degrees and 45 degrees. Based on such a structure, the rotary current stabilizer has the advantages of novel structure, balanced current speed, accuracy in measurement and the like.
Description
Technical field
The present invention relates to the measurement instrument of fluid, specifically a kind of rotary current regulator that improves the flow measurement accuracy of measurement.
Background technology
At present; Aspect the measurement of calorimeter and water flow, mainly be that ultrasonic flow meter is a principle of utilizing ultrasound wave in liquid, to propagate through a pair of or manyly ultrasonic transducer is placed on two of tested pipeline brings in realization; Through record sound wave forward, reverse propagation speed differential calculates flow rate of fluid; Integral formula calculates flow in the pcb board chip by being integrated in again, and above-mentioned is the ideal situation of stabilized fluid, yet during the flowmeter practical application; Complex situations because of the flowmeter front end; If any the influence of bend pipe, reducing, valve, filtrator etc., be difficult to obtain the stable ideal fluid flowmeter of flowing through, unstable fluid is affected the accuracy of data measured.In order to eliminate the effects of the act, obtain stable fluid, straight formula current regulator is installed in the porch at flowmeter that has, but because shown the influence of body length, it is very short that straight formula current regulator can only be done, thereby the current stabilization effect of being played is also very little; Current stabilization body two ends in the measuring channel that has are respectively equipped with the catoptron base; Base is provided with four mirror supports, and the reflection picture frame is installed in the central authorities of base through mirror support, is connected on reflection upper end and the mirror support; Lower end and mirror support lower ends connect; When unsettled fluid during through ultrasound wave stroke zone, the fluid of fluctuation under the retroaction of mirror support, through a pair of or many to ultrasonic transducer record sound wave forward, reverse propagation speed differential calculates flow rate of fluid; Its deficiency is: because the emission mirror support has been installed in pipeline; Current through the time support the irregularly shaped flow state that has then directly changed fluid, cause the ripple amplitude of turbulent fluid big, increased the moving probability of turbulent generation eddy current; Thereby influence the precision of ultrasonic measurement, reduced the precision of ultrasonic flow meter.
In addition, in the use of calorimeter, usually can be at the front end mounting filtering device of calorimeter; So that the increase measuring accuracy also be simultaneously from the protection to calorimeter, but the fluidised form of water can change behind the mounting filtering device; Thereby cause measuring accuracy to descend, also increased the measurement cost simultaneously.
Summary of the invention
The objective of the invention is to solve the deficiency of above-mentioned prior art; A kind of novel structure is provided, when fluid gets into ultrasonic flow meter transmitting-receiving supersonic zone, keeps the stable equilibrium fluid, thereby realize the accurate rotary current regulator of measuring rate of flow of fluid, improving the ultrasonic flow meter precision.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of rotary current regulator is provided with the current stabilization body, and current stabilization body two ends correspondence respectively are provided with the catoptron base; The catoptron base is provided with mirror support, and the reflection picture frame is installed in the central authorities of catoptron base through mirror support, it is characterized in that reflecting that circumference array has 2-4 rotating vane between the mirror support in the picture frame outside; Rotating vane is square tabular, and the upper surface of rotating vane and the angle of its lateral surface are 80 °, so that the relative current stabilization body of rotating vane radial deflection angle is 10 °; The upper surface is the transition arcwall face, is beneficial to reduce the resistance of fluid, avoids ripple amplitude; The rotating vane axioversion; The angle of dip plane and barretter body axis is between 20 ° ~ 45 °, and the fluid that is beneficial to fluctuate forms mean value stable rotation fluid through rotation blade, and this moment, ultrasonic wave energy was propagated in the stable fluid of mean value; And the factor that is not changed by the external world is disturbed, thereby can accurately measure rate of flow of fluid.
The angle of the dip plane of the rotating vane among the present invention and barretter body axis is preferably 30 °, make ultrasound examination to rate of flow of fluid reach best.
Rotating vane among the present invention can be fixedly connected with reflection picture frame side through its medial surface; Be beneficial to unsettled fluid is formed stable rotary fluid through the water conservancy diversion of rotating vane; Make through the flow rate of fluid in the supersonic zone to reach steady state (SS), have measurement and act on accurately.
Rotating vane among the present invention can be connected with strut fixation in the mirror support through contiguous block; The rotating vane upper surface by the inboard laterally and the curved transition of the joint face between the mirror support; Be beneficial to unsettled fluid is formed stable rotary fluid through the water conservancy diversion of rotating vane; Make through the flow rate of fluid in the supersonic zone to reach steady state (SS), reduce ripple amplitude, make fluid momentum, energy, temperature and contain the thing rate of diffusion and lower.
The present invention is owing to adopt said structure, and 1, make turbulent fluid trend regular flow, reduce ripple amplitude; 2, after ripple amplitude reduces, make fluid momentum, energy, temperature and contain the thing rate of diffusion and lower; 3, lower turbulent flow and produce the moving probability of eddy current, have novel structure, flow velocity equilibrium, measure advantages such as accurate.
Description of drawings
Fig. 1 is first kind of structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the stereographic map of Fig. 1.
Fig. 4 is the another kind of structural representation of the present invention.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the stereographic map of Fig. 4.
Reference numeral: current stabilization body 1, base 2, support 3, reflection picture frame 4, rotating vane 5, upper surface (dip plane) 6, lateral surface 7, upper surface 8, contiguous block 9.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified:
Shown in accompanying drawing; A kind of rotary current regulator is provided with current stabilization body 1, and current stabilization body 1 two ends correspondence respectively are provided with catoptron base 2; Base 2 is provided with mirror support 3; Reflection picture frame 4 is installed in the central authorities of catoptron base 2 through mirror support 3, and 3 circumference array of mirror support in reflection picture frame 4 outsides have 2-4 rotating vane 5, and rotating vane 5 is square tabular; The upper surface 6 of rotating vane 5 is 80 ° with the angle of its lateral surface 7, so that rotating vane 5 relative current stabilization body 1 radial deflection angles
αBe 10 °, upper surface 8 is the transition arcwall face, is beneficial to reduce the resistance of fluid, avoids ripple amplitude, rotating vane 5 axioversions, the angle of dip plane 6 and current stabilization body 1 axis
βBetween 20 ° ~ 45 °; The fluid that is beneficial to fluctuate forms mean value stable rotation fluid through rotating vane 5; This moment, ultrasonic wave energy was propagated in the stable fluid of mean value; And the factor that is not changed by the external world is disturbed, thereby can accurately measure rate of flow of fluid, and the installation site of the rotating vane of current stabilization body one end of the present invention is identical.
Rotating vane 5 among the present invention is preferred to adopt 2, and its dip plane 6 is preferably 30 ° with the angle of current stabilization body 1 axis, make ultrasound examination to rate of flow of fluid reach best.
Embodiment 1: the present invention can have 2 rotating vanes 5 at the side circumference array of reflection picture frame 4, and rotating vane 5 is square tabular, and the upper surface 6 of rotating vane 5 is 80 ° with the angle of its lateral surface 7, so that rotating vane 5 relative current stabilization body 1 radial deflection angles
αBe 10 °, upper surface 8 is the transition arcwall face, is beneficial to reduce the resistance of fluid, avoids ripple amplitude, rotating vane 5 axioversions, the angle of dip plane 6 and current stabilization body 1 axis
βBetween 20 ° ~ 45 °, be beneficial to unsettled fluid is formed stable rotary fluid through the water conservancy diversion of rotating vane 5, make through the flow rate of fluid in the supersonic zone to reach steady state (SS), have measurement and act on accurately.
Embodiment 2: the present invention can have 4 rotating vanes 5 at 2 circumference array of mirror support; Rotating vane 5 is fixedly connected with mirror support 2 through contiguous block 9; The rotating vane upper surface by the inboard laterally and the curved transition of the joint face between the mirror support; The upper surface of rotating vane and the angle of its lateral surface are 80 °, so that the relative current stabilization body of rotating vane radial deflection angle
αBe 10 °, be beneficial to reduce the resistance of fluid, avoid ripple amplitude, rotating vane 5 axioversions, the angle of dip plane 6 and current stabilization body 1 axis
βBetween 20 ° ~ 45 °; Be beneficial to unsettled fluid is formed stable rotary fluid through the water conservancy diversion of rotating vane 5; Make through the flow rate of fluid in the supersonic zone to reach steady state (SS), reduce ripple amplitude, make fluid momentum, energy, temperature and contain the thing rate of diffusion and lower.
Testing authentication method of the present invention: calorimeter is installed in wants in the measuring tube body; The angle of supposing rotating vane 5 and current stabilization body 1 axis tilt is at 20 °; 30 °; 45 ° and rotating vane 5 deflection angles are 10 °, the test of angle of inclination in the time of 30 °, and the adjustment flowmeter is arranged to 10m respectively with flow rate of fluid
3/ h, 3.1m
3/ h, 1m
3/ h, 0.2m
3/ h and 0.1m
3/ h, and carry out testing authentication through three kinds of states: first kind of state: calorimeter is installed in entrance point, and the entrance point fluid directly gets into calorimeter, and the loss of fluid impact power is little, and velocity variations is small; Second kind of state: calorimeter is installed in endpiece (switch), and nearly endpiece fluid has certain journey loss of prolonging after through pipeline, and fluid velocity can change to some extent; The third state: calorimeter is installed in endpiece (adding filtrator), add filtrator after, the velograph flow velocity of fluid all can change.Calorimeter is gone out the speed of fluid after through measuring channel by ultrasonic measurement through these three kinds of states; At the flow (X) that calculates by integral formula in hour through pipeline; Flow through pipeline can get into gravimetric tank in this hour simultaneously, and gravimetric tank and electronic scale interconnect, thereby measures actual flow (Y) through piping in hour by electronic scales; System can compare (X) value automatically and (X) be worth size then; Draw a deviate (Z), the more little proof test error of difference is more little, and the concrete numerical value of concrete test sees the following form:
The test data of three kinds of states during 20 ° of 2 rotating vane axioversions:
The test data of three kinds of states during 30 ° of 2 swirl vane axis tilts:
The test data of three kinds of states during 45 ° of 2 rotating vane axioversions:
Drawn by above-mentioned test data, the state during 30 ° of rotating vane axioversions is more satisfactory, and the test data during then with 30 ° of 10 ° of rotating vane radial deflections, axioversion is following:
In like manner can demonstrate,prove, when the test result of the above-mentioned several kind states of rotating vane when being 3 or 4.
See from test data, owing to adopt the present invention, make the flow of uneasy fixed filter and the flow difference behind the mounting filtering device less, therefore, adopt the present invention to measure fluid, practiced thrift the measurement cost, measuring accuracy improves greatly, has obtained beyond thought measurement effect.
The present invention is owing to adopt said structure;, fluid keeps the stable equilibrium fluid when getting into ultrasonic flow meter transmitting-receiving supersonic zone; Thereby realize accurately measuring rate of flow of fluid, improving the ultrasonic flow meter precision, have novel structure, flow velocity balanced, measure accurately, practice thrift advantages such as cost.
Claims (2)
1. a rotary current regulator is provided with the current stabilization body, and current stabilization body two ends correspondence respectively are provided with the catoptron base; The catoptron base is provided with mirror support, and the reflection picture frame is installed in the central authorities of catoptron base through mirror support, it is characterized in that reflecting that circumference array has 2-4 rotating vane between the mirror support in the picture frame outside; Rotating vane is square tabular; The upper surface of rotating vane and the angle of its lateral surface are 80 °, so that the relative current stabilization body of rotating vane radial deflection angle is 10 °, the upper surface is the transition arcwall face; The rotating vane axioversion, the angle of dip plane and barretter body axis is between 20 ° ~ 45 °.
2. a kind of rotary current regulator according to claim 1 is characterized in that the dip plane of rotating vane and the angle of barretter body axis are 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102874571A CN102426039B (en) | 2011-09-26 | 2011-09-26 | Rotary current stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102874571A CN102426039B (en) | 2011-09-26 | 2011-09-26 | Rotary current stabilizer |
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| Publication Number | Publication Date |
|---|---|
| CN102426039A CN102426039A (en) | 2012-04-25 |
| CN102426039B true CN102426039B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102874571A Active CN102426039B (en) | 2011-09-26 | 2011-09-26 | Rotary current stabilizer |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115389057B (en) * | 2022-10-28 | 2023-04-18 | 山东辰智电子科技有限公司 | Flow guide pipe of heat meter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000298046A (en) * | 1999-04-15 | 2000-10-24 | Kansai Gas Meter Co Ltd | Measuring device |
| CN201969471U (en) * | 2011-01-26 | 2011-09-14 | 姚镇 | Vortex type cold and hot air separation device |
| CN202216726U (en) * | 2011-09-26 | 2012-05-09 | 威海市天罡仪表股份有限公司 | Rotary current regulator |
Family Cites Families (1)
| 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 |
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2011
- 2011-09-26 CN CN2011102874571A patent/CN102426039B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000298046A (en) * | 1999-04-15 | 2000-10-24 | Kansai Gas Meter Co Ltd | Measuring device |
| CN201969471U (en) * | 2011-01-26 | 2011-09-14 | 姚镇 | Vortex type cold and hot air separation device |
| CN202216726U (en) * | 2011-09-26 | 2012-05-09 | 威海市天罡仪表股份有限公司 | Rotary current regulator |
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| Publication number | Publication date |
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| CN102426039A (en) | 2012-04-25 |
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