CN107421607A - Fluid flow demarcates reversing arrangement - Google Patents

Fluid flow demarcates reversing arrangement Download PDF

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Publication number
CN107421607A
CN107421607A CN201610587400.6A CN201610587400A CN107421607A CN 107421607 A CN107421607 A CN 107421607A CN 201610587400 A CN201610587400 A CN 201610587400A CN 107421607 A CN107421607 A CN 107421607A
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CN
China
Prior art keywords
fluid flow
translation
reversing arrangement
current divider
fluid
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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
Application number
CN201610587400.6A
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Chinese (zh)
Inventor
许永存
王喜峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SINIER (NANJING) PROCESS CONTROL Co Ltd
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SINIER (NANJING) PROCESS CONTROL Co Ltd
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Publication date
Application filed by SINIER (NANJING) PROCESS CONTROL Co Ltd filed Critical SINIER (NANJING) PROCESS CONTROL Co Ltd
Publication of CN107421607A publication Critical patent/CN107421607A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

The invention provides a kind of fluid flow to demarcate reversing arrangement, comprising:One rectification nozzle, a bottom have the current divider in two fluid branch portions, wherein, fluid flow demarcation reversing arrangement is also driveably connected to translation driving device and is arranged on guided in translation supporting mechanism comprising a guided in translation supporting mechanism, a translation driving device, current divider.By using the mode of translation current divider, so that liquid easy switching, reduce the error of commutation progressive error, disturbance when reducing commutation switching to the fluidised form in sealed tube, reduce Uncertainty, the demarcation reliability of fluid flow caliberating device is improved, and reduces the noise of commutation action to a certain extent.

Description

Fluid flow demarcates reversing arrangement
Technical field
The present invention relates to fluid flow to demarcate servicing unit, more particularly to a kind of fluid flow demarcation reversing arrangement.
Background technology
Electronic flowmeter is used for the flow velocity for measuring fluid, the volume that its sensor flows through the fluid in tested pipeline Electric signal is converted to, after converted device processing, output reading is shown, and is shown on a display screen, user is intuitively read Number.Electronic flowmeter is a kind of precision instrument, requires higher to accuracy of reading, needs to carry out strict assembling in process of production Debugging, makes its precision reach design requirement.Electronic flowmeter is installed on a fluid flow caliberating device during debugging, passed through One liquid flows to reversing arrangement and fluid tip is connected on electronic flowmeter fluid intake, by given volume/weight Fluid measures, to calibrate the precision of electronic flowmeter.
As shown in Fig. 1 a kind of nozzle rotary oscillating type commutator of the prior art, performs device is passed through during work Nozzle 11 and end pipeline 12 is driven to be pivoted certain angle so that two in current divider 13 of the fluid that nozzle 11 sprays Switch between branch, another the postrotational position of where the dotted line signifies that nozzle 11, so as to realize the switching of fluid flowing path, it is lacked It is that the standby of end outlet can be caused to be pressed in instantaneous variation and cause to disturb to fall into, and action noise is big when commutating.
As shown in Fig. 2 current divider rotary oscillating type commutator of the prior art, nozzle 11 ' is motionless, performs device Drive current divider 13 ' to be rotated around axle 14, and control one of Liang Ge branches of current divider 13 ' to be directed at nozzle 11 ', wherein empty Line represents another the postrotational position of current divider 13 ', so as to reach the purpose of fluid switching.This commutator avoids outlet Standby bucklingization caused by disturb, but the incidence angle of fluid can change with the rotation of current divider 13 ', particularly quick The fluid of part metering can be ejected during action, and the progressive error of commutator, it is difficult to ensure that symmetrical consistent, error is big, uncertain Degree is very low, and noise is big during commutation.
The content of the invention
It is an object of the invention to provide a kind of liquid easy switching, the disturbance to the fluidised form in sealed tube is small, improves demarcation The fluid flow demarcation reversing arrangement of reliability.
To achieve the above object, fluid flow of the invention demarcation reversing arrangement includes:One rectification nozzle, a bottom have The current divider in two fluid branch portions, wherein, fluid flow demarcation reversing arrangement is also comprising a guided in translation supporting mechanism, one flat Drive device is moved, current divider is driveably connected to translation driving device and is arranged on guided in translation supporting mechanism.
Further, rectification nozzle is long narrow shapes, in the guide direction of guided in translation supporting mechanism, rectification nozzle Lower end is narrower than upper end.
Further, in the guide direction of guided in translation supporting mechanism, rectification nozzle is arranged on the translation row of current divider Directly over the center of journey, and the lower end width of rectification nozzle is less than the translating stroke of current divider.
Further, translation driving device is pneumatic cylinder, one of hydraulic jack, and for it is double go out structure.
Further, current divider translating stroke an end points, rectification nozzle butted up against in two fluid branch portions The fluid branch portion docked with weighing container;In another end points of the translating stroke of current divider, rectification nozzle butts up against two The fluid branch portion docked in fluid branch portion with backflow bypass pipe.
Further, guided in translation supporting mechanism includes the fixed part and translation movable part for the connection that cooperates, current divider It is fixed on fixed part and translation movable part alternative one.
Further, another of fixed part and translation both movable parts are fixed on where fluid flow demarcation reversing arrangement Fluid flow calibration system other components on.
Further, fixed part is guide rail, and translation movable part is the sliding block being slidably mounted on guide rail.
The fluid flow demarcation reversing arrangement of the present invention reduces the error of commutation progressive error, to envelope when reducing commutation switching The disturbance of fluidised form in stopped pipe, reduces Uncertainty, improves the demarcation reliability of fluid flow caliberating device, and The noise of commutation action is reduced to a certain extent.
Brief description of the drawings
The present invention is made below in conjunction with the accompanying drawings further to describe and illustrate.
Fig. 1 is the schematic diagram of the nozzle rotary oscillating type commutator of prior art.
Fig. 2 is the current divider rotary oscillating type commutator schematic diagram of prior art.
Fig. 3 is the structure of fluid flow demarcation reversing arrangement and the front signal of installation of the preferred embodiment of the present invention Figure.
Fig. 4 is the structure of fluid flow demarcation reversing arrangement and the side signal of installation of the preferred embodiment of the present invention Figure.
Embodiment
As shown in Figure 3 and Figure 4, the fluid flow demarcation reversing arrangement 2 of the preferred embodiment of the present invention is mounted in a liquid flow Measure in calibration system.Fluid flow demarcation reversing arrangement 2 includes a rectification nozzle 21, a current divider 23, guided in translation support Mechanism 25, a translation driving device 27.
In the weighing container 8 of fluid flow calibration system and the top of backflow bypass pipe 9, framework is supported by column 10 Crossbeam 7, then two track girders 6 are set up above it.Preferably, cruciform bracing 7 and track girder 6 are mutually perpendicular to.
Preferably, two guide rails 5 are parallel to track girder 6, and are connected on track girder 6.The two bottom sides of current divider 23 point Two groups of sliding blocks 24 are not set, vertically downward power of the specific sliding block quantity according to current divider 3 in secondary calibration line maximum stream flow it is total With and the bearing capacity of sliding block select.Two groups of sliding blocks 24 are separately positioned on guide rail 5, can be along leading under external force promotion Rail 5 slidably translates, so as to drive bearing of trend translation of the current divider 23 along guide rail 5.This inner guide rail 5 and sliding block 24 form flat Guiding mechanism 25 is moved, realizes the support to current divider 23 and guided in translation.
One of ordinary skill in the art will appreciate that arriving, in other embodiments, support and translation to current divider are led It can be exchanged to the mechanism that can also use other suitable forms, such as the position of sliding block and guide rail, sliding block can be mounted in rail On road beam while by guide rail on current divider;Such as sliding block can also be substituted with rolling bearing, etc..
In this preferred embodiment, translation driving device 27 is preferably coupled to the side of current divider 23, and is preferably dividing Flow the centre position of the side of device 23.Under the driving of translation driving device 27, current divider 23 controllably comes along horizontal direction Return translation.Preferably, translation driving device uses pneumatic cylinder or hydraulic jack, and for it is double go out structure, guarantee level moves back Stroke when dynamic is symmetrical.
One of ordinary skill in the art will appreciate that arriving, current divider is set controllably to translate back and forth, in other embodiment In, translation driving device can also use other suitable forms, will be revolved for example with linear electric machine or common electric machine combination Transhipment turn is changed into transmission mechanism of linear motion etc..
Preferably, rectification nozzle 21 is long narrow shapes, and its lower end is narrower than upper end in the horizontal direction.Rectification nozzle 21 and envelope Stopped pipe road 31 is arranged on directly over the center of the translating stroke of current divider 23, and the translating stroke that current divider 23 moves horizontally must The lower end width of rectification nozzle 21 must be more than, to ensure fully realize rectification nozzle 21 by moving horizontally for current divider 23 Switching of the fluid of ejection between weighing container 8 and backflow bypass pipe 9.Container 8 can be the volumetric standard of volumetric method, also may be used To be the weighing container of Static mass method.
In staking-out work, closed conduct 31 and rectification nozzle 21 are static all the time, ensure closed conduct 31 and rectification nozzle The fluidised form of fluid does not change in 21.Fluid forms fluid vertically downward after over commutation nozzle 21 in closed conduct 31, spray Enter in current divider 23, the bottom of current divider is separated into Liang Ge branches provided with baffle plate among the bottom of current divider 23, respectively will Fluid is introduced into weighing container 8 or backflow bypass pipe 9.When translation driving device 27 stretches out to the left, drive current divider 23 is to the left Translation, the right branch that the fluid that rectification nozzle 21 sprays is split device are caught and are introduced into backflow bypass pipe 9.Work as driven in translation Device 27 is retracted to the right, and driving current divider 23, the left branch that the fluid that rectification nozzle 21 sprays is split device is caught to right translation And it is introduced into weighing container 8.
The cooperation of current divider 23, rectification nozzle 21 is driven by translation driving device 27, rectification nozzle 21 is motionless, current divider 23 translations are docked (here so as to drive the left branch or right branch of different fluid intakes, i.e. current divider with rectification nozzle 21 Docking refers to opposite in orientation), switch so as to realize fluid between weighing container 8 and backflow bypass pipe 9.
Designed by using long narrow rectification nozzle, symmetrical structure, current divider translational movement etc., reduce liquid demarcation system The error of the positive and negative progressive error of the reversing arrangement of system, improve the reversing arrangement calibrating reliability of liquid calibration system.
The fluid flow demarcation reversing arrangement of the present invention can be not only used for predominantly detecting the occasion of the electronic flowmeter of water, It can be also used for detecting the demarcation of the detecting instrument of other liquid.
Only the preferred embodiment of the present invention is described for above-mentioned embodiment, and not to the guarantor of the present invention Shield scope is defined.On the premise of design concept of the present invention and scope is not departed from, one of ordinary skill in the art According to word description provided by the present invention, accompanying drawing to the various modifications made by technical scheme, replacement and improvement, The protection category of the present invention all should be belonged to.Protection scope of the present invention is determined by claim.

Claims (8)

1. a kind of fluid flow demarcates reversing arrangement, comprising:One rectification nozzle, a bottom have the shunting in two fluid branch portions Device, it is characterised in that the fluid flow demarcation reversing arrangement also fills comprising a guided in translation supporting mechanism, a driven in translation Put, the current divider is driveably connected to the translation driving device and is arranged on the guided in translation supporting mechanism.
2. fluid flow as claimed in claim 1 demarcates reversing arrangement, it is characterised in that the rectification nozzle is long narrow shape Shape, in the guide direction of the guided in translation supporting mechanism, the lower end of the rectification nozzle is narrower than upper end.
3. fluid flow as claimed in claim 1 demarcates reversing arrangement, it is characterised in that in the guided in translation supporting mechanism Guide direction on, the rectification nozzle is arranged on directly over the center of the translating stroke of the current divider, and described whole The lower end width of flow nozzle is less than the translating stroke of the current divider.
4. fluid flow as claimed in claim 1 demarcates reversing arrangement, it is characterised in that the translation driving device is pneumatic One of cylinder, hydraulic jack, and for it is double go out structure.
5. fluid flow as claimed in claim 1 demarcates reversing arrangement, it is characterised in that in the translating stroke of the current divider An end points, the rectification nozzle butts up against the fluid branch portion docked in described two fluid branch portions with weighing container; In another end points of the translating stroke of the current divider, the rectification nozzle is butted up against in described two fluid branch portions with returning Flow the fluid branch portion of bypass pipe docking.
6. the fluid flow demarcation reversing arrangement as any one of claim 1-5, it is characterised in that the guided in translation The fixed part and translation movable part, the current divider that supporting mechanism includes the connection that cooperates are fixed on the fixed part and described Translate in movable part alternative one.
7. fluid flow as claimed in claim 6 demarcates reversing arrangement, it is characterised in that the fixed part and the translation are lived Another of dynamic both portions is fixed on other structures of the fluid flow calibration system where the fluid flow demarcation reversing arrangement On part.
8. fluid flow as claimed in claim 6 demarcates reversing arrangement, it is characterised in that the fixed part is guide rail, described It is the sliding block being slidably mounted on the guide rail to translate movable part.
CN201610587400.6A 2016-06-07 2016-07-22 Fluid flow demarcates reversing arrangement Pending CN107421607A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108225500A (en) * 2018-04-10 2018-06-29 武汉市计量测试检定(研究)所 A kind of fine liquid flow electromagnetic commutator
CN110595582A (en) * 2019-09-04 2019-12-20 成都赫泰智能科技有限公司 Closed electric commutator
CN111707334A (en) * 2020-05-15 2020-09-25 浙江水利水电学院 Rotary open type equidirectional commutator in liquid flow standard device and method thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107421607A (en) * 2016-06-07 2017-12-01 西尼尔(南京)过程控制有限公司 Fluid flow demarcates reversing arrangement
CN107131930B (en) * 2017-06-06 2019-11-22 浙江省计量科学研究院 A kind of type open type fluid switching device in the same direction and the method for fluid switching and timing
CN108916656B (en) * 2018-07-19 2020-05-08 韶关一本机械设备有限公司 Fluid reversing system based on hydraulic pulse control

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JP2006078460A (en) * 2004-12-10 2006-03-23 National Institute Of Advanced Industrial & Technology Liquid flow path switching device
JP2006105957A (en) * 2004-09-10 2006-04-20 National Institute Of Advanced Industrial & Technology Liquid flow-meter calibration device
CN102141426A (en) * 2010-12-07 2011-08-03 浙江省计量科学研究院 Fluid reversing device and reversing and timing method
CN203732138U (en) * 2013-08-22 2014-07-23 开封仪表有限公司 Pneumatic open movable reverser
CN104132715A (en) * 2014-08-11 2014-11-05 丹东意邦计量仪器仪表有限公司 Reciprocating type pneumatic shifting reverser
CN205262535U (en) * 2015-12-24 2016-05-25 甘肃省计量研究院 Open fluid commutator device
CN205843779U (en) * 2016-06-07 2016-12-28 西尼尔(南京)过程控制有限公司 Fluid flow demarcates reversing arrangement

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Publication number Priority date Publication date Assignee Title
JP2006105957A (en) * 2004-09-10 2006-04-20 National Institute Of Advanced Industrial & Technology Liquid flow-meter calibration device
JP2006078460A (en) * 2004-12-10 2006-03-23 National Institute Of Advanced Industrial & Technology Liquid flow path switching device
CN102141426A (en) * 2010-12-07 2011-08-03 浙江省计量科学研究院 Fluid reversing device and reversing and timing method
CN203732138U (en) * 2013-08-22 2014-07-23 开封仪表有限公司 Pneumatic open movable reverser
CN104132715A (en) * 2014-08-11 2014-11-05 丹东意邦计量仪器仪表有限公司 Reciprocating type pneumatic shifting reverser
CN205262535U (en) * 2015-12-24 2016-05-25 甘肃省计量研究院 Open fluid commutator device
CN205843779U (en) * 2016-06-07 2016-12-28 西尼尔(南京)过程控制有限公司 Fluid flow demarcates reversing arrangement

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108225500A (en) * 2018-04-10 2018-06-29 武汉市计量测试检定(研究)所 A kind of fine liquid flow electromagnetic commutator
CN108225500B (en) * 2018-04-10 2024-01-23 武汉市计量测试检定(研究)所 Micro liquid flow electromagnetic commutator
CN110595582A (en) * 2019-09-04 2019-12-20 成都赫泰智能科技有限公司 Closed electric commutator
CN111707334A (en) * 2020-05-15 2020-09-25 浙江水利水电学院 Rotary open type equidirectional commutator in liquid flow standard device and method thereof
CN111707334B (en) * 2020-05-15 2022-12-06 浙江水利水电学院 Rotary open type equidirectional commutator in liquid flow standard device and method thereof

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