CN103195767A - Direct-acting adjusting type torque motor flow servo valve - Google Patents
Direct-acting adjusting type torque motor flow servo valve Download PDFInfo
- Publication number
- CN103195767A CN103195767A CN2013101276940A CN201310127694A CN103195767A CN 103195767 A CN103195767 A CN 103195767A CN 2013101276940 A CN2013101276940 A CN 2013101276940A CN 201310127694 A CN201310127694 A CN 201310127694A CN 103195767 A CN103195767 A CN 103195767A
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- valve
- torque motor
- servo valve
- flow servo
- armature
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Abstract
The invention belongs to the technology field of aviation hydraulics, in particular to a direct-acting adjusting type torque motor flow servo valve comprising a shell component 1, an electromagnetic component 2, a spring 3, an adjusting screw 4, an armature valve 5, a first filler neck 6, a second filler neck 7 and a valve component 8. The electromagnetic component 2, the spring 3, the adjusting screw 4, the armature valve 5, the first filler neck 6, the second filler neck 7 and a valve component 8 are arranged in the shell component 1. Since the straight moving adjusting type is adopted on the torque motor flow servo valve, a torque motor armature can be torqued at different degrees according to sizes of input pulse signals, and valve opening degree is further changed to control product output flow rate. With the changes of the pulse signals sent out by a controller, and the flow rate is changed proportionally; adjustable range of the flow servo valve is larger than that of a conventional electric hydraulic flow servo valve with low precision, and precision and sensitivity are high; and the direct-acting adjusting type torque motor is adopted on the flow servo valve, so that the flow servo valve is higher in response frequency, better in stability, stronger in anti-interference capacity, higher in resolution, and smaller in hysteresis as compared with a flow servo valve with a first-level enlarged structure.
Description
Technical field
The invention belongs to the hydraulic air technical field, be specifically related to a kind of straight moving regulating type torque motor flow servovalve, be mainly used in HYDRAULIC CONTROL SYSTEM valve series products (product flow generally is not more than 5L/min) such as aircraft, motor, by receiving the electric simulation signal, export corresponding flux signal, and then increase or reduce flow.
Background technique
Traditional electric flow quantity servovalve, mainly be jet tubular type electricity flow quantity servovalve and nozzle baffle type electricity flow quantity servovalve, all adopt the two-stage flow control, wherein structure and spare part processed complexs such as torque motor, nozzle assembly, slide valve assembly, feedback rod, bourdon tube, very high for requirements such as part precision, and debug difficulties, the response of valve is subjected to the restriction of first order hydraulic control valve, degree of regulation height but cost costliness.Therefore, small flow, medium accuracy, the fast straight moving regulating type torque motor flow servovalve of feedback just arise at the historic moment.
Summary of the invention
The objective of the invention is: a kind of straight moving regulating type torque motor flow servovalve is provided, satisfies reducing cost and manufacturing, debugging difficulty, adapt to the needs that medium accuracy is regulated.
Technological scheme of the present invention is: product specification becomes torque motor directly to regulate the form of flow, and the twin coil energising twists torque motor armature, and torque motor armature is directly controlled valve opening, thereby regulates product flow.Be specially:
A kind of straight moving regulating type torque motor flow servovalve, comprise frame set 1 and be arranged on electromagnet assembly 2, spring 3 in the frame set 1, adjust screw 4, armature valve 5, first connecting-tube nozzle 6, second connecting-tube nozzle 7, valve assembly 8, the upper end of described spring 3 contacts with adjustment screw 4, adjust screw 4 and adjust the elastic force of spring 3, the lower end of spring 3 contacts with armature valve 5, armature valve 5 cooperates with valve assembly 8, armature valve 5 moves up and down, the size of the oil outlet aperture on the control valve assembly 8.
Also be provided with exhaust check valve 9 on the frame set 1.
Advantage of the present invention is: the present invention becomes the torque motor direct-acting type to regulate product structure design, can make torque motor armature that reversing in various degree taken place according to the size of input pulse signal, and then change valve opening, control product output flow.Along with the change that controller sends pulse signal, flow is proportional variation also, strengthens than the electric flow quantity servovalve adjustable extent of in the past low precision, and precision is higher, and sensitivity is also high; Because this product is directly moving regulating type structure of torque motor, so the response frequency of valve is relatively with the servovalve height of one-level structure for amplifying, good stability, and antijamming capability is strong, and resolution is higher, and the ring that stagnates is less.Compare high-precision jet pipe servo valve and nozzle baffle type servovalve, the machining accuracy of its part and production difficulty are lower, and debugging also is easier to, and cost reduces greatly, and accommodation is wider.This product structure contamination resistance itself is stronger than jet pipe servo valve and nozzle baffle type servovalve, and the inner filler opening of product place is equipped with filter screen, has improved the contamination resistance of product greatly.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done to describe in further detail, see also Fig. 1.
As shown in Figure 1, a kind of straight moving regulating type torque motor flow servovalve, comprise frame set 1 and be arranged on electromagnet assembly 2, spring 3 in the frame set 1, adjust screw 4, armature valve 5, first connecting-tube nozzle 6, second connecting-tube nozzle 7, valve assembly 8, the upper end of described spring 3 contacts with adjustment screw 4, adjust screw 4 and adjust the elastic force of spring 3, the lower end of spring 3 contacts with armature valve 5, armature valve 5 cooperates with valve assembly 8, armature valve 5 moves up and down, the size of the oil outlet aperture on the control valve assembly 8.
Also be provided with exhaust check valve 9 on the frame set 1.
During the product no electric circuit, torque motor is not worked.Under the effect of spring 3, valve assembly 8 has been closed the fuel gallery.
When the engine turbine fuel gas temperature equals limited temperature, product energising, system sends fill factor near 50% square wave pulse voltage to product.Electromagnet assembly converts this pulsed voltage to drive valve armature to-and-fro motion, and valve opens or closes with valve base and forms the fuel gallery, has changed product flow.
When the fuel gas temperature behind turbine equaled confined temperature, the oil return of armature valve made the oil pressure booster piston be in the position of balance, and at this moment the fill factor of voltage pulse is 50%.
If fuel gas temperature is higher than the temperature of appointment behind the turbine, at this moment the voltage pulse fill factor that sends of total state regulator increases, and that is to say the time that has prolonged oil return, thereby the rotating speed that speed regulator is regulated descends, reduce fuel delivery, be not higher than the temperature of appointment with fuel gas temperature behind the assurance turbine.
If fuel gas temperature is lower than assigned temperature, the voltage pulse fill factor that the total state regulator sends reduces, and the armature valve has reduced recirculating oil quantity, increases the fuel delivery of oil pump.
When the fill factor of voltage pulse reached 20% further decline of temperature, the armature valve had been closed the drainback passage under the oil pressure booster piston fully, and actuator deactivates.
Claims (2)
1. one kind is directly moved regulating type torque motor flow servovalve, it is characterized in that, comprise frame set [1] and be arranged on the interior electromagnet assembly [2] of frame set [1], spring [3], adjust screw [4], armature valve [5], first connecting-tube nozzle [6], second connecting-tube nozzle [7], valve assembly [8], the upper end of described spring [3] contacts with adjustment screw [4], adjust screw [4] and adjust the elastic force of spring [3], the lower end of spring [3] contacts with armature valve [5], armature valve [5] cooperates with valve assembly [8], armature valve [5] moves up and down, the size of the oil outlet aperture on the control valve assembly [8].
2. a kind of straight moving regulating type torque motor flow servovalve according to claim 1 is characterized in that, also is provided with exhaust check valve [9] on the frame set [1].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101276940A CN103195767A (en) | 2013-04-12 | 2013-04-12 | Direct-acting adjusting type torque motor flow servo valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101276940A CN103195767A (en) | 2013-04-12 | 2013-04-12 | Direct-acting adjusting type torque motor flow servo valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103195767A true CN103195767A (en) | 2013-07-10 |
Family
ID=48718505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101276940A Pending CN103195767A (en) | 2013-04-12 | 2013-04-12 | Direct-acting adjusting type torque motor flow servo valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103195767A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106415025A (en) * | 2014-04-10 | 2017-02-15 | 伍德沃德有限公司 | Servo valve |
| CN106917698A (en) * | 2017-03-23 | 2017-07-04 | 北京控制工程研究所 | A kind of torque-motor valve for two-components Adhesive |
| CN107883048A (en) * | 2017-10-11 | 2018-04-06 | 北京控制工程研究所 | A kind of highly reliable advantageous torque motor valve based on Redundancy Design |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0416339A1 (en) * | 1989-09-06 | 1991-03-13 | A. und K. Müller GmbH & Co. KG | Magnet armature controlled servo valve activated by self agent |
| US5052441A (en) * | 1990-09-27 | 1991-10-01 | Hr Textron Inc. | Direct drive servovalve having bearing-located motor housing |
| US5146126A (en) * | 1991-09-05 | 1992-09-08 | Hr Textron Inc. | Adjustable rotor assembly |
| JPH09257137A (en) * | 1996-03-26 | 1997-09-30 | Commuter Herikoputa Senshin Gijutsu Kenkyusho:Kk | Direct drive type hydraulic servo valve |
| EP0741879B1 (en) * | 1994-01-27 | 1999-08-11 | Hr Textron Inc. | Direct drive servovalve having motor position sensor |
| WO1999063232A1 (en) * | 1998-06-05 | 1999-12-09 | J. Otto Byers & Associates | Servo positioning system |
| JP2003021108A (en) * | 2001-07-09 | 2003-01-24 | Ishikawajima Harima Heavy Ind Co Ltd | Structure of torque motor portion for servo valve |
| CN201297301Y (en) * | 2008-07-20 | 2009-08-26 | 陈镇汉 | Highly anti-pollution electrohydraulic flow servo valve |
| JP2010117002A (en) * | 2008-11-14 | 2010-05-27 | Ihi Corp | Valve device and servo valve |
| EP2527248A2 (en) * | 2011-05-25 | 2012-11-28 | The Boeing Company | Suppressing electrical failure effects in servo control systems |
| CN102829010A (en) * | 2012-08-16 | 2012-12-19 | 北京润菲利德科技有限公司 | Directly moving type high-flow directional flow servo valve and control system using servo valve |
-
2013
- 2013-04-12 CN CN2013101276940A patent/CN103195767A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0416339A1 (en) * | 1989-09-06 | 1991-03-13 | A. und K. Müller GmbH & Co. KG | Magnet armature controlled servo valve activated by self agent |
| US5052441A (en) * | 1990-09-27 | 1991-10-01 | Hr Textron Inc. | Direct drive servovalve having bearing-located motor housing |
| US5146126A (en) * | 1991-09-05 | 1992-09-08 | Hr Textron Inc. | Adjustable rotor assembly |
| EP0741879B1 (en) * | 1994-01-27 | 1999-08-11 | Hr Textron Inc. | Direct drive servovalve having motor position sensor |
| JPH09257137A (en) * | 1996-03-26 | 1997-09-30 | Commuter Herikoputa Senshin Gijutsu Kenkyusho:Kk | Direct drive type hydraulic servo valve |
| WO1999063232A1 (en) * | 1998-06-05 | 1999-12-09 | J. Otto Byers & Associates | Servo positioning system |
| JP2003021108A (en) * | 2001-07-09 | 2003-01-24 | Ishikawajima Harima Heavy Ind Co Ltd | Structure of torque motor portion for servo valve |
| CN201297301Y (en) * | 2008-07-20 | 2009-08-26 | 陈镇汉 | Highly anti-pollution electrohydraulic flow servo valve |
| JP2010117002A (en) * | 2008-11-14 | 2010-05-27 | Ihi Corp | Valve device and servo valve |
| EP2527248A2 (en) * | 2011-05-25 | 2012-11-28 | The Boeing Company | Suppressing electrical failure effects in servo control systems |
| CN102829010A (en) * | 2012-08-16 | 2012-12-19 | 北京润菲利德科技有限公司 | Directly moving type high-flow directional flow servo valve and control system using servo valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106415025A (en) * | 2014-04-10 | 2017-02-15 | 伍德沃德有限公司 | Servo valve |
| CN106917698A (en) * | 2017-03-23 | 2017-07-04 | 北京控制工程研究所 | A kind of torque-motor valve for two-components Adhesive |
| CN106917698B (en) * | 2017-03-23 | 2019-01-11 | 北京控制工程研究所 | A kind of torque-motor valve for two-components Adhesive |
| CN107883048A (en) * | 2017-10-11 | 2018-04-06 | 北京控制工程研究所 | A kind of highly reliable advantageous torque motor valve based on Redundancy Design |
| CN107883048B (en) * | 2017-10-11 | 2019-04-09 | 北京控制工程研究所 | A kind of highly reliable advantageous torque motor valve based on Redundancy Design |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20130710 |