CN102563191A - Control valve group for pneumatic positioner - Google Patents
Control valve group for pneumatic positioner Download PDFInfo
- Publication number
- CN102563191A CN102563191A CN2012100237126A CN201210023712A CN102563191A CN 102563191 A CN102563191 A CN 102563191A CN 2012100237126 A CN2012100237126 A CN 2012100237126A CN 201210023712 A CN201210023712 A CN 201210023712A CN 102563191 A CN102563191 A CN 102563191A
- Authority
- CN
- China
- Prior art keywords
- solenoid valve
- valve
- acting cylinder
- insurance
- self
- Prior art date
- 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
Links
Images
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
A control valve group for a pneumatic positioner is formed by combining two independent two-position three-way self-preservation straight guide type electromagnetic valves. The position of a valve rod on an adjusting valve is controlled by applying positive pulse voltage and negative pulse voltage to electromagnetic coils of the two electromagnetic valves, the overflowing area of the adjusting valve is further controlled, and the flow and the pressure of the adjusting valve are controlled. Power consumption of the electromagnetic coils is reduced, the service lives of the electromagnetic coils are prolonged, micropower control is realized, and compressed gas is not consumed in a stable state.
Description
Technical field
The present invention relates to pneumatic type modulating valve positioning work piece technical field, be specifically related to the control valve group of pneumatic positioner.
Background technique
In FLUID TRANSPORTATION control field, generally form by various valves and pipeline.Valve mainly is to realize the switch of FLUID TRANSPORTATION and the control requirement of flow pressure.In valve modulating valve, also to be referred to as control valve be flow and the adjusting of pressure that is used for realizing in the fluid circuit.Modulating valve mainly is made up of valve body, spool, valve rod etc.Wherein valve body is made up of sealing, mounting flange and the valve seat of valve.Spool is made up of resetting-mechanism, valve plate etc.Valve rod is a controlling mechanism of realizing the overflow section size (aperture) of modulating valve.Valve rod on the modulating valve is connected with positioning means, realizes area of passage (aperture) size of modulating valve is realized control.Thereby make modulating valve to realize flow control and pressure control to ducted fluid.Positioning work piece on the modulating valve generally has setting device, feedback mechanism, driving mechanism etc.
Positioning work piece generally is divided three classes, i.e. electrodynamic type, pneumatic type, self-powering type.The pneumatic type positioning work piece is generally formed by setting coil, electromagnetism leverage, nozzle flapper, feedback mechanism, diaphragm type single-acting cylinder etc.Its working principle is the given current signal of setting on the coil through being added in; Regulate the distance of the baffle plate on the nozzle through magnet in the coil and electromagnetism leverage and regulate the pressure reduction that control gaseous is imported and exported at baffle plate; And then the air pressure of adjusting diaphragm type cylinder intake end; This air pressure is that compressed gas source is the pressure difference that forms through the nozzle steel plate, and the pressurized gas that therefore need constantly feed steady pressure in the import of nozzle just can be so that outlet forms the inlet outlet pressure differential that institute's nozzle flapper gap changes.Realize the adjusting of stem position through the equilibrium of forces of diaphragm type single-acting cylinder spring through the pressurized gas behind the nozzle flapper.The distance of also regulating between nozzle flapper through feedback mechanism simultaneously realizes the pressure control to diaphragm type single-acting cylinder inlet end.Its shortcoming is when work, except requiring given electrical signal, also to require have stable source of the gas to guarantee the work of positioning work piece; Long-term work lower compression gas consumption is very big; Corresponding ABAP Adapter and control source of the gas need be provided under the perhaps unattended especially in the open air working environment, make the application of pneumatic control valve receive very big restriction.
Summary of the invention
In order to overcome the shortcoming of above-mentioned existing technology, the object of the present invention is to provide the control valve group of pneumatic positioner, reduce the power consumption of electromagnetic coil and prolonged working life, accomplished little power consumption control, at steady state compressed gas consuming not.
In order to achieve the above object, the technological scheme taked of the present invention is:
The control valve group of pneumatic positioner; Comprise the diaphragm type single-acting cylinder 1 that links to each other with regulating valve stem; The single-acting cylinder spring 2 of diaphragm type single-acting cylinder 1 is connected with the valve rod 3 that regulating spool links to each other; Diaphragm type single-acting cylinder 1 is provided with the barrier film 4 in the single-acting cylinder; The single-acting cylinder suction port 5 of diaphragm type single-acting cylinder 1 is communicated with through the relief opening on first solenoid valve 7, second solenoid valve 11 and second solenoid valve 11 14 successively; First solenoid valve 7 is provided with first electromagnetic coil 6, the first self-insurance permanent magnet 8, first Returnning spring 9, inlet for pressurised gas 10, the second solenoid valves 11 and is provided with the second self-insurance permanent magnet 12, second Returnning spring 13, relief opening 14, second electromagnetic coil 15.
Described first solenoid valve 7, second solenoid valve 11 are two-bit triplet self-insurance solenoid valve or two-bit triplet direct leading type solenoid valve, and are combined on the valve body 22, and realize that through gas circuit between valve 20 intercommunication of two solenoid valves connects.
The spool mechanism that described first solenoid valve 7, second solenoid valve 11 adopt microminiaturized direct leading type.
Described first solenoid valve 7 adopts the first self-insurance permanent magnet 8 and first electromagnetic coil 6 to combine through magnetic isolation board 19.
Described second solenoid valve 11 adopts the second self-insurance permanent magnet 12 and second electromagnetic coil 15 to combine through magnetic isolation board 19.
The present invention has reduced the power consumption of electromagnetic coil and has prolonged working life, has accomplished little power consumption control, at steady state compressed gas consuming not.
Description of drawings
Fig. 1 is a pneumatic principle schematic representation of the present invention.
Fig. 2 is a concrete structure schematic representation of the present invention.
Fig. 3 is the A-A air outlet sectional drawing of Fig. 2.
Fig. 4 is a gas circuit sectional drawing between the B-B valve of Fig. 2.
Embodiment
Below through accompanying drawing the present invention is described further.
With reference to Fig. 1; The control valve group of pneumatic positioner; Comprise the diaphragm type single-acting cylinder 1 that links to each other with regulating valve stem; The single-acting cylinder spring 2 of diaphragm type single-acting cylinder 1 is connected with the valve rod 3 that regulating spool links to each other; Diaphragm type single-acting cylinder 1 is provided with the barrier film 4 in the single-acting cylinder; The single-acting cylinder suction port 5 of diaphragm type single-acting cylinder 1 is communicated with through the relief opening on first solenoid valve 7, second solenoid valve 11 and second solenoid valve 11 14 successively, and first solenoid valve 7 is provided with first electromagnetic coil 6, the first self-insurance permanent magnet 8, first Returnning spring 9, inlet for pressurised gas 10, the second solenoid valves 11 and is provided with the second self-insurance permanent magnet 12, second Returnning spring 13, relief opening 14, second electromagnetic coil 15.
Described first solenoid valve 7, second solenoid valve 11 are two-bit triplet self-insurance solenoid valve or two-bit triplet direct leading type solenoid valve, and are combined on the valve body 22, and realize that through gas circuit between valve 20 intercommunication of two solenoid valves connects.
The spool mechanism that described first solenoid valve 7, second solenoid valve 11 adopt microminiaturized direct leading type.
Described first solenoid valve 7 adopts the first self-insurance permanent magnet 8 and first electromagnetic coil 6 to combine through magnetic isolation board 19.
Described second solenoid valve 11 adopts the second self-insurance permanent magnet 12 and second electromagnetic coil 15 to combine through magnetic isolation board 19.
Working principle of the present invention does;
The present invention is used by the series connection of two two-bit triplet self-insurance solenoid valves; Bistable state combination through two solenoid valves realizes the control to the diaphragm cylinder suction port pressure of modulating valve; Further through two independently the combinations of states of two-bit triplet direct leading type solenoid valve can realize the pressure requirement as required of the suction port 5 of the diaphragm cylinder on the modulating valve 1 is guaranteed certain gas pressure; Realize rising, location and the decline of valve rod 3 positions; The size adjustment of realization modulating valve overflow section long-pending (aperture) and given is contained in two solenoid valves on the same valve body 21, further to reduce overall volume.
With reference to Fig. 2, Fig. 3 and Fig. 4; The valve rod propradation: when the valve rod that needs modulating valve 3 rises when making the overflow section long-pending (aperture) of modulating valve increase, this moment first solenoid valve 7 first electromagnetic coil, 6 logical forward dc pulsed voltages, first iron core 23 of first solenoid valve 7 breaks away from the attraction force of the first self-insurance permanent magnet 8 and rises; Get into the suction port 5 of single-acting cylinders this moment through first air inlet control on first solenoid valve of having opened 7 mouthfuls 22 from the pressurized gas of inlet for pressurised gas 10; The air inlet section pressure of single-acting cylinder raises, and single-acting cylinder spring 2 is compressed, and the valve rod 3 that links to each other with regulating spool begins to rise; When reaching when needing desired location; First electromagnetic coil, the 6 logical reverse dc pulse voltages of first solenoid valve 7, first iron core 23 of first solenoid valve 7 descends and is attracted to keep by the first self-insurance permanent magnet 8 at this moment, and the air inlet control mouth 22 on first solenoid valve 7 is closed at this moment; The suction port 5 of single-acting cylinder is realized pressurize, has accomplished the rising of valve rod 3 this moment and has stopped action.
The valve rod hold mode: when first iron core 23 of first solenoid valve 7 is in when the next, the air inlet control on this moment first solenoid valve 7 mouthfuls 22 is closed, and the suction port 5 and the pressurized gas suction port 10 of single-acting cylinder are in the partition state.Second iron core 18 of while second solenoid valve 11 is in upper, and the suction port 5 of single-acting cylinder and the relief opening 14 on second solenoid valve 11 also are in the partition state at this moment.Relief opening 14 on single-acting cylinder suction port 5 and pressurized gas suction port 10 and second solenoid valve 11 is in the partition state simultaneously like this.Realized that the air pressure in the single-acting cylinder suction port 5 keeps.
Valve rod decline state: but need be with the area of passage (aperture) of modulating valve when reducing; Give second electromagnetic coil, 15 logical reverse dc pulse voltages of second solenoid valve 11 this moment; Make second iron core 18 of second solenoid valve 11 descend; Exhaust control mouth 17 on second solenoid valve 11 is opened at this moment; Pressed gas in the single-acting cylinder suction port 5 communicates with relief opening 14 on second solenoid valve 11 through the control of the exhaust on gas circuit between valve 20 and second solenoid valve 11 mouthfuls 17, and the pressure in this moment single-acting cylinder suction port 5 descend, owing to the effect of single-acting cylinder spring 2 makes valve rod 3 declines.Realization reduces the function of the area of passage (aperture) of modulating valve.Arrive and set when requiring; Give second electromagnetic coil, 15 logical direct impulse voltages of second solenoid valve 11; Make second iron core 18 of second solenoid valve 11 rise; Exhaust control mouth 17 on second solenoid valve 11 is closed at this moment, has cut off the passage of the relief opening 14 on the single-acting cylinder suction port 5 and second solenoid valve 11.Realization is to the pressure holding function of single-acting cylinder suction port 5.
Before starting working with outage after when working again, through control system the state of two solenoid valves is carried out reset processing, be in claimed condition with the iron core of guaranteeing two solenoid valves.
Further use, the present invention is combined as a controller with the gas electric type of complete control function because the advantage of its volume power consumption can directly be put into corresponding controller.
Further application can use solar panel and chargeable cell to realize not having the work of ABAP Adapter.
Can combine with electronic controller further and realize high-protection level and the highest explosive-proof grade and the explosion-proof electric apparatus grade of intrinsic safety type.
Claims (5)
1. the control valve group of pneumatic positioner; Comprise the diaphragm type single-acting cylinder (1) that links to each other with regulating valve stem; The single-acting cylinder spring (2) of diaphragm type single-acting cylinder (1) is connected with the valve rod (3) that regulating spool links to each other; Diaphragm type single-acting cylinder (1) is provided with the barrier film (4) in the single-acting cylinder; It is characterized in that: the single-acting cylinder suction port (5) of diaphragm type single-acting cylinder (1) is communicated with through the relief opening (14) on first solenoid valve (7), second solenoid valve (11) and second solenoid valve (11) successively; First solenoid valve (7) is provided with first electromagnetic coil (6), the first self-insurance permanent magnet (8), first Returnning spring (9), inlet for pressurised gas (10), and second solenoid valve (11) is provided with the second self-insurance permanent magnet (12), second Returnning spring (13), relief opening (14), second electromagnetic coil (15).
2. the control valve group of pneumatic positioner according to claim 1; It is characterized in that: described first solenoid valve (7), second solenoid valve (11) are two-bit triplet self-insurance solenoid valve or two-bit triplet direct leading type solenoid valve; And be combined on the valve body (22), and realize that through gas circuit (20) between valve the intercommunication of two solenoid valves connects.
3. the control valve group of pneumatic positioner according to claim 1 is characterized in that: the spool mechanism that described first solenoid valve (7), second solenoid valve (11) adopt microminiaturized direct leading type.
4. the control valve group of pneumatic positioner according to claim 1 is characterized in that: described first solenoid valve (7) adopts the first self-insurance permanent magnet (8) and first electromagnetic coil (6) to combine through magnetic isolation board (19).
5. the control valve group of pneumatic positioner according to claim 1 is characterized in that: described second solenoid valve (11) adopts the second self-insurance permanent magnet (12) and second electromagnetic coil (15) to combine through magnetic isolation board (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100237126A CN102563191A (en) | 2012-02-03 | 2012-02-03 | Control valve group for pneumatic positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100237126A CN102563191A (en) | 2012-02-03 | 2012-02-03 | Control valve group for pneumatic positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102563191A true CN102563191A (en) | 2012-07-11 |
Family
ID=46409402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100237126A Pending CN102563191A (en) | 2012-02-03 | 2012-02-03 | Control valve group for pneumatic positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102563191A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629390A (en) * | 2013-10-21 | 2014-03-12 | 江苏永钢集团有限公司 | Solenoid valve control device |
| CN103736364A (en) * | 2014-01-24 | 2014-04-23 | 天津市振津工程设计咨询有限公司 | Boost-buck system based on opening control of switch valve in molecular sieve drying |
| CN103752146A (en) * | 2014-01-24 | 2014-04-30 | 天津市振津工程设计咨询有限公司 | System for controlling drying, pressure boosting and pressure reducing process of molecular sieve based on adjusting the opening extend of switch valve |
| CN105402467A (en) * | 2014-09-12 | 2016-03-16 | 上海日立电器有限公司 | Electromagnetic valve group |
| WO2023155406A1 (en) * | 2022-02-15 | 2023-08-24 | 中船动力研究院有限公司 | Valve control device applied to waste gas treatment system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88211607U (en) * | 1988-04-07 | 1988-12-28 | 广东中山调节阀厂 | Multifunctional pneumatic valve positioner |
| CN2212113Y (en) * | 1994-12-27 | 1995-11-08 | 陈正贵 | Low Power electricity saving electromagnetic valve |
| JP2003083466A (en) * | 2001-09-11 | 2003-03-19 | Ckd Corp | Flow rate control valve |
| CN1655083A (en) * | 2005-03-04 | 2005-08-17 | 天津大学 | Intelligent two-wire system electropneumatic valve positioner and control method therefor |
| CN202531969U (en) * | 2012-02-03 | 2012-11-14 | 深圳乐满油气技术有限公司 | Control valve bank for pneumatic positioner |
-
2012
- 2012-02-03 CN CN2012100237126A patent/CN102563191A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88211607U (en) * | 1988-04-07 | 1988-12-28 | 广东中山调节阀厂 | Multifunctional pneumatic valve positioner |
| CN2212113Y (en) * | 1994-12-27 | 1995-11-08 | 陈正贵 | Low Power electricity saving electromagnetic valve |
| JP2003083466A (en) * | 2001-09-11 | 2003-03-19 | Ckd Corp | Flow rate control valve |
| CN1655083A (en) * | 2005-03-04 | 2005-08-17 | 天津大学 | Intelligent two-wire system electropneumatic valve positioner and control method therefor |
| CN202531969U (en) * | 2012-02-03 | 2012-11-14 | 深圳乐满油气技术有限公司 | Control valve bank for pneumatic positioner |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629390A (en) * | 2013-10-21 | 2014-03-12 | 江苏永钢集团有限公司 | Solenoid valve control device |
| CN103736364A (en) * | 2014-01-24 | 2014-04-23 | 天津市振津工程设计咨询有限公司 | Boost-buck system based on opening control of switch valve in molecular sieve drying |
| CN103752146A (en) * | 2014-01-24 | 2014-04-30 | 天津市振津工程设计咨询有限公司 | System for controlling drying, pressure boosting and pressure reducing process of molecular sieve based on adjusting the opening extend of switch valve |
| CN103736364B (en) * | 2014-01-24 | 2016-06-22 | 天津市振津石油天然气工程有限公司 | Based on to the buck system that in molecular sieve drying, switch valve is carried out aperture control |
| CN105402467A (en) * | 2014-09-12 | 2016-03-16 | 上海日立电器有限公司 | Electromagnetic valve group |
| WO2023155406A1 (en) * | 2022-02-15 | 2023-08-24 | 中船动力研究院有限公司 | Valve control device applied to waste gas treatment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102563191A (en) | Control valve group for pneumatic positioner | |
| CN101709806B (en) | Miniature self-locking electromagnetic valve | |
| KR101628569B1 (en) | High pressure solenoid valve | |
| CN206513917U (en) | Magnetic valve | |
| CN201992174U (en) | Air line structure of air storage type pneumatic actuating mechanism | |
| CN101702565B (en) | Permanent magnet electromagnetic driving device | |
| CN105202252B (en) | A kind of driving device of pneumatic proportional valve | |
| CN202531969U (en) | Control valve bank for pneumatic positioner | |
| CN102844600A (en) | Latch valve and flow control device using the same | |
| CN101375064A (en) | Device for controlling a compressed gas consuming circuit and vacuum generator using same | |
| CN203240025U (en) | Intelligent one-way valve | |
| CN201496572U (en) | Magnetic-keeping electromagnetic valve | |
| CN203286008U (en) | Pressure balance type gas injection digital valve | |
| CN103807490B (en) | A kind of gas-liquid linked fast valve door system | |
| CN202629271U (en) | Self-hold electromagnetic valve | |
| CN102269292A (en) | Electromagnetic valve | |
| CN103016783B (en) | Double-coil drive air-lock bi-stable electromagnetic auxiliary valve | |
| CN205559877U (en) | Heavy -calibre guide formula two -position three way solenoid valve | |
| CN201306509Y (en) | Gas consumption adjusting valve | |
| CN210716205U (en) | Magnetic fluid sealing valve | |
| CN202229915U (en) | Dual-pneumatic-control check platform for intelligent electric valve positioner | |
| CN205639800U (en) | Electromagnetic valve | |
| CN202955312U (en) | Electric pilot valve | |
| CN203926895U (en) | A kind of multipurpose piezoelectricity valve | |
| CN211715772U (en) | Alloy remote control water valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120711 |
|
| RJ01 | Rejection of invention patent application after publication |