CN106020254A - Flow control device - Google Patents
Flow control device Download PDFInfo
- Publication number
- CN106020254A CN106020254A CN201610459038.4A CN201610459038A CN106020254A CN 106020254 A CN106020254 A CN 106020254A CN 201610459038 A CN201610459038 A CN 201610459038A CN 106020254 A CN106020254 A CN 106020254A
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- China
- Prior art keywords
- opening
- housing
- control device
- cage cylinder
- section
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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.)
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
- G05D7/067—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means characterised by free surface flow
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Actuator (AREA)
Abstract
The invention discloses a flow control device and relates to the technical field of flow adjustment. The flow control device comprises an inflow pipe, an outlet pipe and an adjustment device. The adjustment device comprises a driving mechanism, a housing, a piston body and a cage tube. The housing is provided with an accommodation portion in the center; the side wall of the housing is provided with a first opening, a second opening and a third opening, which are communicated with the accommodation portion; the cage tube is arranged inside the accommodation portion; the cage tube divides the accommodation portion into an outer cavity and an inner cavity; the side wall of the cage tube is provided with air holes; the air holes allow the outer cavity and the inner cavity to be communicated; the piston body is arranged inside the cage tube; the cooperated sections of the piston body and cage tube are sealed; the piston body passes through the first opening and is connected with the driving mechanism; the outlet pipe is communicated with the inner cavity through the third opening; and the inflow pipe is communicated with the outer cavity through the second opening. The beneficial effect is that the need of the adjustment device for a plurality of adjusting characteristics of a medium can be met.
Description
Technical field
The present invention relates to Flow-rate adjustment technical field, be specifically related to a kind of volume control device.
Background technology
In some gas flow line, needing gas is carried out flow-control, the control mode often returned is:
The pipeline connecting equipment is installed control valve.But along with the development of gas regulation technique, regulate gas stream
Amount, the requirement of pressure become increasingly complex, and degree of regulation and stability requirement are more and more higher, for fluid
Flow, pressure controlled method, existing scheme realizes by medium carries out throttling, but due to the knot of self
Structure limits, and its Rule adjusting can only be a specific working curve.Working media is adjusted by electromotor etc.
Joint characteristic has the product (state may have: start, circulate, motor-driven, landing etc.) of complicated requirement, to confession
Gas will also tend to, within a working cycle, propose corresponding demand according to the difference of duty.Therefore,
Existing scheme is used to be difficult to the demand meeting testpieces to changeable inlet air conditions in single test.For big stream
The regulation of amount medium controls, and needs bigbore control valve according to existing scheme, and regulation valve is the most logical at present
Footpath is less than 600mm, therefore, it is impossible to meet big Flow-rate adjustment requirement.If using the side of many valve in parallel
Method, although can meet the requirement of Flow-rate adjustment, but also due to the restriction of bore, the quantity that valve uses
Many, floor space is big, and the complexity simultaneously controlled improves the most accordingly.Existing regulative mode can not be simultaneously
Meet above-mentioned requirements, need a kind of new adjusting means to meet quickly, stablize, variable the answering of control characteristic
Miscellaneous air inlet adjustment Capability Requirement.
Summary of the invention
It is an object of the invention to provide a kind of volume control device, to solve or at least to alleviate institute in background technology
The problem at least one place existed.
The technical solution used in the present invention is: provide a kind of volume control device, comprises inflow pipe, effuser
And adjusting means;
Described adjusting means comprises drive mechanism, housing, piston body and cage cylinder;
Described casing center is provided with receiving portion, the sidewall of described housing is provided with and connects with described accommodation section
The first opening, the second opening and the 3rd opening;
Described cage cylinder is arranged on inside described accommodation section, and the two ends of described cage cylinder are fixing with described housing to be connected,
Described accommodation section is divided into exocoel and inner chamber by described cage cylinder, and the sidewall of described cage cylinder is provided with pore, described
Pore connects described exocoel and inner chamber;
Described piston body is arranged on the inside of described cage cylinder, and described piston body is formed with the section of cooperation of described cage cylinder
Sealing, piston rod is connected through described first opening with described drive mechanism;
Described effuser is by described 3rd opening and described inner space;
Described inflow pipe is connected with described exocoel by described second opening.
Preferably, described cage cylinder is set to annulus, and described pore is along the centrage side of described annulus
Multiple to being provided with.
Preferably, described cage cylinder is set to square sleeve, and described pore is along the centrage side of described square sleeve
Set up multiple.
Preferably, described pore is at the centerline direction of cage cylinder, towards the direction phase near described drive mechanism
Distance between adjacent two pores is gradually increased.
Preferably, described pore is parallel to the cross section of described cage cylinder centrage and comprises the first cross section and second section
Face, described first cross section is arranged distant from away from the one of described drive mechanism at the axis direction of described cage cylinder
Side, described first cross section is elongated hole, described second cross section away from described first cross section direction gradually
Strengthen.
Preferably, it is provided with drainage screen between the 3rd opening on described effuser and described housing;Described stream
Enter and be provided with drainage screen between the second opening on pipe and described housing.
Preferably, the first opening part on described housing is provided with gland, and described gland is fixed with described housing
Connecting, described gland is provided with sealing member with coordinating of described housing between face, described housing and described cage cylinder
Cooperation face between be provided with sealing member.
Preferably, described drive mechanism uses electro-hydraulic cylinder;Piston rod on described piston body passes described gland
It is connected with described electro-hydraulic cylinder.
Preferably, the described pipe that flows into is or/and be provided with flow detector on effuser.
Preferably, described adjusting means is provided with two sets, is symmetricly set on described inflow pipe and the two of effuser
Side.
The beneficial effects of the present invention is:
The volume control device of the present invention can be used for the Flow-rate adjustment of gas and liquid, can change as required
The quantity of pore and shape on described cage cylinder sidewall, then by drive mechanism regulating piston body in cage cylinder
Position, controls the pore quantity connecting described exocoel with inner chamber, when medium is carried out Flow-rate adjustment, the most managed
The constraint in cross section, road, can meet multiple control characteristic.
The drive mechanism of the present invention uses electro-hydraulic cylinder to be directly connected to the piston rod on piston body, improves transmission
Efficiency, eliminates the error on the transmission accuracy brought due to gap.
The flow regulator of the present invention can be used alone, it is also possible to multiple stage is in parallel or series connection realizes connection
Close and use.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the volume control device of one embodiment of the invention.
Fig. 2 is cage cylinder and the connection diagram of housing in the volume control device shown in Fig. 1.
Fig. 3 is the top view of pore on cage cylinder in the volume control device shown in Fig. 1.
Wherein, 1-gland, 2-cage cylinder, 21-pore, 3-piston body, 4-housing, 41-the first opening, 42-
Second opening, 43-the 3rd opening, 44-receiving portion, 441-exocoel, 442-inner chamber, 5-effuser, 6-
Flow into pipe, 7-drive mechanism.
Detailed description of the invention
Clearer for the purpose making the present invention implement, technical scheme and advantage, real below in conjunction with the present invention
Execute the accompanying drawing in example, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings,
The most same or similar label represents same or similar element or has same or like function
Element.Described embodiment is a part of embodiment of the present invention rather than whole embodiments.Lead to below
It is exemplary for crossing the embodiment being described with reference to the drawings, it is intended to be used for explaining the present invention, and it is not intended that right
The restriction of the present invention.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.Below in conjunction with
Embodiments of the invention are described in detail by accompanying drawing.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ",
"front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ",
Orientation or the position relationship of the instruction such as " outward " they are based on orientation shown in the drawings or position relationship, merely to
It is easy to describe the present invention and simplification description rather than instruction or the device of hint indication or element must have spy
Fixed orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to scope
System.
As shown in Figure 1 to Figure 3, a kind of volume control device, comprise inflow pipe 6, effuser 5 and regulation
Device.
Adjusting means comprises drive mechanism 7, housing 4, piston body 3 and cage cylinder 2;Housing 4 is centrally disposed
Have receiving portion 44, the sidewall of housing 4 is provided with connect with receiving portion 44 the first opening 41, second open
Mouth 42 and the 3rd opening 43.
It is internal that cage cylinder 2 is arranged on receiving portion 44, and the two ends of cage cylinder 2 are fixing with housing 4 to be connected, cage cylinder 2
Receiving portion 44 is divided into exocoel 441 and inner chamber 442, the sidewall of cage cylinder 2 is provided with pore 21, pore
21 connection exocoel 441 and inner chambers 442.
In the present embodiment, cage cylinder 2 is set to annulus structure, and the sidewall at cage cylinder 2 has been radially arranged
Multiple pores 21, pore 21 is arranged along the centerline direction of described annulus.It is understood that gas
Hole 21 could be arranged to circle, square, rectangle or its border and do not returns then gas according to what curvilinear equation generated
Hole, has an advantage in that, it is possible to achieve the regulation to medium difference controlling curve, meets multiple regulatory function.
It is understood that the version of cage cylinder 2 can also set according to practical situation.Such as, one
In individual alternative, cage cylinder 2 is set to square sleeve, and pore 21 is along the centrage of described square sleeve
It is provided with multiple on direction.Having an advantage in that, the side of square sleeve is plane, facilitates on sidewall various
The processing of shape pore.It is understood that pore 21 could be arranged to circle, square, rectangle or
Then pore is not returned according to what curvilinear equation generated in its border, has an advantage in that, it is possible to achieve to medium difference control
The regulation of yeast production line, meets multiple regulatory function.
Piston body 3 is arranged on the inside of cage cylinder 2, and piston body 3 is formed with the section of cooperation of cage cylinder 2 and seals, and lives
Stopper rod is connected through the first opening 41 with drive mechanism 7;In the present embodiment, piston body 3 be set to
The cylindrical structural that cage cylinder 2 matches, the position coordinated with piston body 3 at the axial two ends of cage cylinder 2 is arranged
There is sealing member, have an advantage in that, can be good to the stomatal limiting value between piston body 3 with the section of cooperation of cage cylinder 2
Good sealing.
Effuser 5 is connected with inner chamber 442 by the 3rd opening 43;
Flow into pipe 6 to be connected with exocoel 441 by the second opening 42.
When medium is after flowing into pipe 6 inflow, initially enter exocoel 441, in then being entered by pore 21
Chamber 442, medium enters effuser 5 from inner chamber 442.The position of piston body 3 is controlled by drive mechanism 7,
Thus regulating piston body 3 and the segment length that coordinates of cage cylinder 2, control pore 21 and inner chamber, the connection of exocoel,
When medium is carried out Flow-rate adjustment, do not retrained by pipeline section, by changing the planform of pore 21
And location arrangements, multiple control characteristic can be met.It is understood that described medium can be gas,
Can also be liquid.
In the present embodiment, pore 21 is at the centerline direction of cage cylinder 2, towards near drive mechanism 7
Distance between adjacent two pores 21 in direction is gradually increased.It is understood that adjacent two pores 21
Planform can be identical, it is also possible to differ.Such as, in the present embodiment, pore 21 comprises circle
Shape hole, rectangular opening and irregular hole.For the operating mode fairly simple to medium control characteristic, pore 21 is also
Can only be set to multiple rectangular slat hole.
In the present embodiment, pore 21 is parallel to the cross section of cage cylinder 2 centrage and comprises the first cross section and second
Cross section, described first cross section is arranged distant from the side away from drive mechanism 7 at the axis direction of cage cylinder 2,
Described first cross section is elongated hole, and described second cross section gradually adds away from the direction in described first cross section
Greatly.
In the present embodiment, flow into and be provided with drainage screen between the second opening 42 on pipe 6 and housing 4,
Have an advantage in that, the medium flowing into adjusting means can be filtered, prevent impurity from pore being resulted in blockage;
It is provided with drainage screen between the 3rd opening 43 on effuser 5 and housing 4, has an advantage in that, due to work
Cock body 3 moves reciprocatingly under the effect of drive mechanism 7, it is possible that wear and tear or bring impurity into, flows out
Between the 3rd opening 43 on pipe 5 and housing 4, drainage screen is set, impurity can be cleaned further, it is ensured that
Flow out the purity of medium.
In the present embodiment, gland 1, gland 1 and housing 4 it are provided with at the first opening 41 on housing 4
Fixing connection, gland 1 is provided with sealing member with coordinating of housing 4 between face, housing 4 is joined with cage cylinder 2
It is provided with sealing member between conjunction face, has an advantage in that, be possible to prevent the seepage of medium and the infiltration of impurity.
In the present embodiment, drive mechanism 7 uses electro-hydraulic cylinder;Piston rod on piston body 3 passes gland 1
It is connected with described electro-hydraulic cylinder.Electro-hydraulic cylinder is rigidly connected with piston rod, has an advantage in that, improves transmission efficiency,
Eliminate the error on the transmission accuracy brought due to gap.
It is understood that flow into pipe 6 or/and be also provided with flow detector on effuser 5.Right
The control situation of medium shows in real time, and is changed the flow of medium in time by adjusting means, is conducive to
Realize accurately controlling.
In the present embodiment, described adjusting means is provided with two sets, is symmetricly set on inflow pipe 6 and effuser
The both sides of 5.
The flow regulator of the present invention can be used alone, it is also possible to multiple stage is in parallel or series connection realizes connection
Close and use.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it
Limit.Although the present invention being described in detail with reference to previous embodiment, the ordinary skill people of this area
Member is it is understood that the technical scheme described in foregoing embodiments still can be modified by it or right
Wherein portion of techniques feature carries out equivalent;And these amendments or replacement, do not make appropriate technical solution
Essence depart from various embodiments of the present invention technical scheme spirit and scope.
Claims (10)
1. a volume control device, it is characterised in that: comprise inflow pipe (6), effuser (5) and
Adjusting means;
Described adjusting means comprises drive mechanism (7), housing (4), piston body (3) and cage cylinder (2);
Described housing (4) is provided centrally with receiving portion (44), and the sidewall of described housing (4) is provided with
The first opening (41), the second opening (42) and the 3rd opening (43) connected with described accommodation section (44);
It is internal that described cage cylinder (2) is arranged on described accommodation section (44), the two ends of described cage cylinder (2) and institute
Stating the fixing connection of housing (4), described accommodation section (44) are divided into exocoel (441) by described cage cylinder (2)
With inner chamber (442), the sidewall of described cage cylinder (2) is provided with pore (21), described pore (21)
Connect described exocoel (441) and inner chamber (442);
Described piston body (3) is arranged on the inside of described cage cylinder (2), and described piston body (3) is with described
The cooperation section of cage cylinder (2) is formed and seals, and piston rod is through described first opening (41) and described driving machine
Structure (7) connects;
Described effuser (5) is connected with described inner chamber (442) by described 3rd opening (43);
The described pipe (6) that flows into is connected with described exocoel (441) by described second opening (42).
2. volume control device as claimed in claim 1, it is characterised in that: described cage cylinder (2) is arranged
For annulus, described pore (21) is provided with multiple along the centerline direction of described annulus.
3. volume control device as claimed in claim 1, it is characterised in that: described cage cylinder (2) is arranged
For square sleeve, described pore (21) is provided with multiple along the centerline direction of described square sleeve.
4. the volume control device as described in any one of Claims 2 or 3, it is characterised in that: described gas
The hole (21) centerline direction in cage cylinder (2) is adjacent towards the direction near described drive mechanism (7)
Distance between two pores (21) is gradually increased.
5. the volume control device as described in any one of Claims 2 or 3, it is characterised in that: described gas
Hole (21) is parallel to the cross section of described cage cylinder (2) centrage and comprises the first cross section and the second cross section, described
First cross section is arranged distant from away from the one of described drive mechanism (7) at the axis direction of described cage cylinder (2)
Side, described first cross section is elongated hole, described second cross section away from described first cross section direction gradually
Strengthen.
6. volume control device as claimed in claim 1, it is characterised in that: described effuser (5) with
It is provided with drainage screen between the 3rd opening (43) on described housing (4);Described inflow manages (6) and institute
State and be provided with drainage screen between the second opening (42) on housing (4).
7. volume control device as claimed in claim 1, it is characterised in that: on described housing (4)
First opening (41) place is provided with gland (1), and described gland (1) is fixing with described housing (4) even
Connecing, described gland (1) is provided with sealing member with coordinating of described housing (4) between face, described housing (4)
Sealing member it is provided with between face with described coordinating of cage cylinder (2).
8. volume control device as claimed in claim 7, it is characterised in that: described drive mechanism (7)
Use electro-hydraulic cylinder;Piston rod on described piston body (3) is through described gland (1) with described electro-hydraulic cylinder even
Connect.
9. volume control device as claimed in claim 1, it is characterised in that: described flow into pipe (6) or
/ it is provided with flow detector on effuser (5).
10. volume control device as claimed in claim 1, it is characterised in that: described adjusting means is arranged
There are two sets, are symmetricly set on the described both sides flowing into pipe (6) and effuser (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610459038.4A CN106020254A (en) | 2016-06-22 | 2016-06-22 | Flow control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610459038.4A CN106020254A (en) | 2016-06-22 | 2016-06-22 | Flow control device |
Publications (1)
Publication Number | Publication Date |
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CN106020254A true CN106020254A (en) | 2016-10-12 |
Family
ID=57085896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610459038.4A Pending CN106020254A (en) | 2016-06-22 | 2016-06-22 | Flow control device |
Country Status (1)
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CN (1) | CN106020254A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113880176A (en) * | 2021-11-19 | 2022-01-04 | 福建浩达智能科技股份有限公司 | Seawater desalination device and system |
CN114838152A (en) * | 2021-02-01 | 2022-08-02 | 中国石油天然气集团有限公司 | Flow controller and pipeline detector |
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CN1050082A (en) * | 1989-08-24 | 1991-03-20 | 基斯通国际集团公司 | The decompression and the modulating valve that have improved |
CN101292106A (en) * | 2005-10-18 | 2008-10-22 | 株式会社山武 | Cage valve |
KR20100028361A (en) * | 2008-09-04 | 2010-03-12 | 한국동서발전(주) | Globe valve with separable seat and cage |
CN101910698A (en) * | 2008-01-11 | 2010-12-08 | 费希尔控制国际公司 | Seal assembly for use with valves having a two-piece cage |
JP2011236962A (en) * | 2010-05-10 | 2011-11-24 | Kimmon Mfg Co Ltd | Cage type pressure reducing device |
CN203809723U (en) * | 2014-04-21 | 2014-09-03 | 天津诺威流体控制科技有限公司 | Balanced type adjusting valve |
CN104279347A (en) * | 2013-07-05 | 2015-01-14 | 财团法人金属工业研究发展中心 | flow control sleeve group |
-
2016
- 2016-06-22 CN CN201610459038.4A patent/CN106020254A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1050082A (en) * | 1989-08-24 | 1991-03-20 | 基斯通国际集团公司 | The decompression and the modulating valve that have improved |
CN101292106A (en) * | 2005-10-18 | 2008-10-22 | 株式会社山武 | Cage valve |
CN101910698A (en) * | 2008-01-11 | 2010-12-08 | 费希尔控制国际公司 | Seal assembly for use with valves having a two-piece cage |
KR20100028361A (en) * | 2008-09-04 | 2010-03-12 | 한국동서발전(주) | Globe valve with separable seat and cage |
JP2011236962A (en) * | 2010-05-10 | 2011-11-24 | Kimmon Mfg Co Ltd | Cage type pressure reducing device |
CN104279347A (en) * | 2013-07-05 | 2015-01-14 | 财团法人金属工业研究发展中心 | flow control sleeve group |
CN203809723U (en) * | 2014-04-21 | 2014-09-03 | 天津诺威流体控制科技有限公司 | Balanced type adjusting valve |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114838152A (en) * | 2021-02-01 | 2022-08-02 | 中国石油天然气集团有限公司 | Flow controller and pipeline detector |
CN114838152B (en) * | 2021-02-01 | 2024-05-28 | 中国石油天然气集团有限公司 | Flow controller and pipe detector |
CN113880176A (en) * | 2021-11-19 | 2022-01-04 | 福建浩达智能科技股份有限公司 | Seawater desalination device and system |
CN113880176B (en) * | 2021-11-19 | 2023-09-26 | 福建浩达智能科技股份有限公司 | Sea water desalination device and system |
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