CN107421607A - Fluid flow demarcates reversing arrangement - Google Patents
Fluid flow demarcates reversing arrangement Download PDFInfo
- 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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- China
- Prior art keywords
- fluid flow
- translation
- reversing arrangement
- current divider
- fluid
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- 239000012530 fluid Substances 0.000 title claims abstract description 62
- 238000013519 translation Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000005303 weighing Methods 0.000 claims description 8
- 238000003032 molecular docking Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 4
- 230000000750 progressive effect Effects 0.000 abstract description 4
- 230000014616 translation Effects 0.000 description 28
- 239000007921 spray Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing 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
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.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN2016205450555 | 2016-06-07 | ||
CN201620545055 | 2016-06-07 |
Publications (1)
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CN107421607A true CN107421607A (en) | 2017-12-01 |
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CN201610587400.6A Pending CN107421607A (en) | 2016-06-07 | 2016-07-22 | Fluid flow demarcates reversing arrangement |
CN201620784807.3U Active CN205843779U (en) | 2016-06-07 | 2016-07-22 | Fluid flow demarcates reversing arrangement |
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CN201620784807.3U Active CN205843779U (en) | 2016-06-07 | 2016-07-22 | Fluid flow demarcates reversing arrangement |
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Cited By (3)
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)
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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- 2016-07-22 CN CN201610587400.6A patent/CN107421607A/en active Pending
- 2016-07-22 CN CN201620784807.3U patent/CN205843779U/en active Active
Patent Citations (7)
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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)
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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CN205843779U (en) | 2016-12-28 |
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