CN105508696A - Rotary precision regulating valve and method for controlling same - Google Patents

Rotary precision regulating valve and method for controlling same Download PDF

Info

Publication number
CN105508696A
CN105508696A CN201610100471.9A CN201610100471A CN105508696A CN 105508696 A CN105508696 A CN 105508696A CN 201610100471 A CN201610100471 A CN 201610100471A CN 105508696 A CN105508696 A CN 105508696A
Authority
CN
China
Prior art keywords
controller
output axle
driver output
displacement sensor
stepper motor
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
Application number
CN201610100471.9A
Other languages
Chinese (zh)
Inventor
杨晓东
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.)
Beijing Anji Huayuan Technology Development Co Ltd
Original Assignee
Beijing Anji Huayuan Technology Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Anji Huayuan Technology Development Co Ltd filed Critical Beijing Anji Huayuan Technology Development Co Ltd
Priority to CN201610100471.9A priority Critical patent/CN105508696A/en
Publication of CN105508696A publication Critical patent/CN105508696A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

The invention discloses a rotary precision regulating valve and a method for controlling the same. The rotary precision regulating valve is structurally characterized in that an electric regulating valve can be driven by a stepper motor via a synchronous mechanism and a driving output shaft, an angular displacement sensor which is used for detecting angle information of the driving output shaft is arranged on the driving output shaft and is connected with a controller, and the controller is connected with the stepper motor by a driving module. The method includes that after instructions are transmitted by users to the controller, the current angle information of the driving output shaft is compared to the input angle instructions by the controller, the current angle information of the driving output shaft is detected by the angular displacement sensor, the stepper motor can rotate clockwise or anticlockwise under the controller of the controller, the angle information of the driving output shaft is transmitted to the controller by the angular displacement sensor in real time, and the opening of the valve can be controlled in a closed-loop manner. The rotary precision regulating valve and the method have the advantages that the optimal regulation control precision can reach 0.1% of the full scale, and the rotary precision regulating valve and the method are particularly applicable to application places with high requirements on pressure or flow control precision.

Description

A kind of rotary fine adjustment valve and controlling method thereof
Technical field
The present invention relates to a kind of rotary fine adjustment valve and controlling method thereof, belong to modulating valve technical field.
Background technique
Modulating valve has another name called control valve, in industrial automation process control field, by accepting the control signal that regulation unit exports, removes by power operation the final control unit changing the process parameters such as rate-of flow, pressure, temperature, liquid level.Generally be made up of actuator and valve.If press stroke feature, modulating valve can be divided into straight journey and rectilinear path; By the power that its Suo Pei actuator uses, pneumatic control valve, electric control valve, hydraulic adjusting valve three kinds can be divided into.
When needs control gas or liquid line outlet pressure or flow, need, in the outlet of pipeline, the electric control valve that can regulate its aperture is continuously installed, in the application that Pressure control or flow control required precision is not high, the degree of regulation of common modulating valve is the highest can reach 1% of full scale (maximum opening), but in the application that Pressure control or flow control required precision is higher, the degree of regulation of modulating valve is required far above 1%, at least to reach 0.1% of full scale (maximum opening), therefore, common modulating valve is just difficult to meet the higher application of this requirement, make the control accuracy of pressure or flow not high, cannot realize needing in the application of fine adjustment and control pressure or flow.Therefore, study a kind of high-precision fine adjustment valve and just seem important.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of rotary fine adjustment valve and controlling method thereof, degree of regulation can reach more than 0.1% of full scale (maximum opening), can overcome the deficiencies in the prior art.
Technological scheme of the present invention: a kind of rotary fine adjustment valve, comprise electric control valve, described electric control valve passes through lazy-tongs by stepper motor) and the driving of driver output axle, wherein stepper motor is connected with lazy-tongs, lazy-tongs are connected with driver output axle, driver output axle is connected with electric control valve, driver output axle is provided with the angular displacement sensor for detecting its angle information, this angular displacement sensor is connected with controller, controller is connected with stepper motor by driver module again, wherein, described driver module is used for clockwise and anticlockwise and the speed of control step motor.
The precision of described angular displacement sensor is more than 0.1 degree.
After instruction is communicated to controller by user, the driver output axle current angular information that angular displacement sensor detects by controller is compared with input angle instruction; If input angle is greater than current angular, then controller instruction issuing is to the driver module of stepper motor, and control step motor rotates forward, and moves and arrive input angle position to make driver output axle; If input angle is less than current displacement, then controller instruction issuing is to the driver module of stepper motor, control step motor reversal, rotates and arrive input angle position to make driver output axle; If input angle equals current angular, then controller control driver module and stepper motor are failure to actuate; In driver output axle rotation process, angle information is transferred to controller by angular displacement sensor in real time, realizes the closed loop control of valve opening.
After instruction is communicated to controller by user, the outer corner difference of the driver output axle current angular information that controller calculating angular displacement sensor detects and input angle, if this outer corner difference is greater than the half of the driver output axle total angle of rotation, then controller is assigned the mode that half corner rotational velocity before instruction control step motor is greater than later half corner rotational velocity and is rotated.
The described driver output axle total angle of rotation is that electric control valve is opened required corner stroke from being closed to by driver output axle completely.
The invention has the beneficial effects as follows:
The present invention, by the corner information of the feedback of angular displacement sensor, regulates control valve opening dynamically, realizes the closed loop control to valve opening.The control accuracy that the present invention regulates can reach 0.1% of full scale (maximum opening), meets the application that Pressure control or flow control required precision is higher completely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is control flow chart of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with attached Fig. 1 and 2, the present invention is described in further detail.
The rotary fine adjustment valve of the present invention, comprise clamshell 6, electric control valve, stepper motor 4, lazy-tongs 2, angular displacement sensor 3, driver output axle 5 and controller, wherein lazy-tongs 2 are related domain routine techniques means, stepper motor 4, angular displacement sensor 3 are commercially available prod, the precision of angular displacement sensor 3 is more than 0.1 degree, and controller adopts general PLC.
As shown in Figure 1, electric control valve is driven by lazy-tongs 2 and driver output axle 5 by stepper motor 4, wherein stepper motor 4 is connected with lazy-tongs 2, lazy-tongs 2 are connected with driver output axle 5, driver output axle 5 is connected with electric control valve, driver output axle 5 is provided with the angular displacement sensor 3 for detecting its angle information, this angular displacement sensor 3 is connected with controller, controller is connected with stepper motor 4 by driver module 1 again, wherein, described driver module 1 is for the clockwise and anticlockwise of control step motor 4 and speed, lazy-tongs 2 can make the motion of driver output axle 5 and the synchronized movement of stepper motor 4.
As shown in Figure 2, control mode of the present invention is: after instruction is communicated to controller by user, and the driver output axle 5 current angular information that angular displacement sensor 3 detects by controller is compared with input angle instruction; If input angle is greater than current angular, then controller instruction issuing is to the driver module 1 of stepper motor 4, and control step motor 4 rotates forward, and rotates and arrive input angle place to make driver output axle 5; If input angle is less than current angular, then controller instruction issuing is to the driver module 1 of stepper motor 4, and control step motor 4 reverses, and rotates and arrive input angle position to make driver output axle 5; If input angle equals current angular, then controller control driver module 1 and stepper motor 4 are failure to actuate; In driver output axle 5 rotation process, angle information is transferred to controller by angular displacement sensor 3 in real time, realize the closed loop control of valve opening, namely in driver output axle 5 rotation process, if when having crossed instruction angle position place, then controller controls again driver output axle 5 toward back rotation, until finally rest on instruction angle position place.
Further, in aforementioned control, after instruction is communicated to controller by user, the outer corner difference of the driver output axle 5 current angular information that controller calculating angular displacement sensor 3 detects and input angle, if this outer corner difference is greater than the half of driver output axle 5 total angle of rotation, then controller is assigned the mode that half corner rotational velocity before instruction control step motor 4 is greater than later half corner rotational velocity and is rotated, when this distance is less than a half of driver output axle 5 total angle of rotation, then controller assigns instruction control step motor 4 with comparatively low speed rotation, this kind of mode can reduce modulating valve and arrive the regulating time and round number of times of specifying aperture.
Aforementioned driver output axle 5 total angle of rotation is that electric control valve is opened required corner stroke from being closed to by driver output axle 5 completely.

Claims (5)

1. a rotary fine adjustment valve, comprise electric control valve, it is characterized in that: described electric control valve is driven by lazy-tongs (2) and driver output axle (5) by stepper motor (4), wherein stepper motor (4) is connected with lazy-tongs (2), lazy-tongs (2) are connected with driver output axle (5), driver output axle (5) is connected with electric control valve, driver output axle (5) is provided with the angular displacement sensor (3) for detecting its angle information, this angular displacement sensor (3) is connected with controller, controller is connected with stepper motor (4) by driver module (1) again, wherein, described driver module (1) is for the clockwise and anticlockwise of control step motor (4) and speed.
2. rotary fine adjustment valve according to claim 1, is characterized in that: the precision of described angular displacement sensor (3) is more than 0.1 degree.
3. the controlling method of modulating valve as claimed in claim 1 or 2, it is characterized in that: after instruction is communicated to controller by user, driver output axle (5) the current angular information that angular displacement sensor (3) detects by controller is compared with input angle instruction; If input angle is greater than current angular, then controller instruction issuing is to the driver module (1) of stepper motor (4), and control step motor (4) rotates forward, and moves to make driver output axle (5) and arrives input angle position; If input angle is less than current displacement, then controller instruction issuing is to the driver module (1) of stepper motor (4), and control step motor (4) reverses, and rotates to make driver output axle (5) and arrives input angle position; If input angle equals current angular, then controller control driver module (1) and stepper motor (4) are failure to actuate; In driver output axle (5) rotation process, angle information is transferred to controller by angular displacement sensor (3) in real time, realizes the closed loop control of valve opening.
4. controlling method according to claim 3, it is characterized in that: after instruction is communicated to controller by user, the outer corner difference of driver output axle (5) the current angular information that controller calculating angular displacement sensor (3) detects and input angle, if this outer corner difference is greater than the half of driver output axle (5) total angle of rotation, then controller is assigned instruction control step motor (4) mode that half corner rotational velocity was greater than later half corner rotational velocity in the past and is rotated.
5. controlling method according to claim 4, is characterized in that: described driver output axle (5) total angle of rotation is that electric control valve is opened required corner stroke from being closed to by driver output axle (5) completely.
CN201610100471.9A 2016-02-24 2016-02-24 Rotary precision regulating valve and method for controlling same Pending CN105508696A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610100471.9A CN105508696A (en) 2016-02-24 2016-02-24 Rotary precision regulating valve and method for controlling same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610100471.9A CN105508696A (en) 2016-02-24 2016-02-24 Rotary precision regulating valve and method for controlling same

Publications (1)

Publication Number Publication Date
CN105508696A true CN105508696A (en) 2016-04-20

Family

ID=55716891

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610100471.9A Pending CN105508696A (en) 2016-02-24 2016-02-24 Rotary precision regulating valve and method for controlling same

Country Status (1)

Country Link
CN (1) CN105508696A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106959089A (en) * 2017-04-13 2017-07-18 陕西科技大学 A kind of valve drive gap measurement apparatus, measuring method and compensation method
CN108526436A (en) * 2018-06-21 2018-09-14 深汕特别合作区力劲科技有限公司 A kind of injection control device and die casting machine
CN109027379A (en) * 2018-08-21 2018-12-18 天津市国威给排水设备制造有限公司 The adjusting method of remote adjustment valve system and remote adjustment valve system
CN109990483A (en) * 2019-03-26 2019-07-09 河北正生电器科技有限公司 A kind of Minitype digital Accurate Data Flow Control method
CN110030422A (en) * 2019-03-26 2019-07-19 北京星际荣耀空间科技有限公司 Flow regulator and adjusting method
CN110043707A (en) * 2019-03-28 2019-07-23 钦州市创华工控设备有限公司 A kind of analog signal turns the valve actuator of pulse signal

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3345528A1 (en) * 1983-12-13 1985-06-20 Jaroslav Dipl.-Ing. 1000 Berlin Tecinsky Method and device for controlling motor-operated high-pressure valves
EP0685640A2 (en) * 1994-06-03 1995-12-06 Mitsubishi Denki Kabushiki Kaisha Flow quantity valve controller and manufacturing method for flow quantity valve
CN202789799U (en) * 2012-07-11 2013-03-13 姚汉红 Electric adjusting hydraulic valve
CN203162293U (en) * 2013-03-26 2013-08-28 陕西理工学院 High-pressure electric adjusting valve
CN103757968A (en) * 2014-01-10 2014-04-30 华南理工大学 Smart actuator for headbox dilution water used to control paper breadth quantification
CN205383319U (en) * 2016-02-24 2016-07-13 贵州安吉华元科技发展有限公司 Rotation type minute adjustment valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3345528A1 (en) * 1983-12-13 1985-06-20 Jaroslav Dipl.-Ing. 1000 Berlin Tecinsky Method and device for controlling motor-operated high-pressure valves
EP0685640A2 (en) * 1994-06-03 1995-12-06 Mitsubishi Denki Kabushiki Kaisha Flow quantity valve controller and manufacturing method for flow quantity valve
CN202789799U (en) * 2012-07-11 2013-03-13 姚汉红 Electric adjusting hydraulic valve
CN203162293U (en) * 2013-03-26 2013-08-28 陕西理工学院 High-pressure electric adjusting valve
CN103757968A (en) * 2014-01-10 2014-04-30 华南理工大学 Smart actuator for headbox dilution water used to control paper breadth quantification
CN205383319U (en) * 2016-02-24 2016-07-13 贵州安吉华元科技发展有限公司 Rotation type minute adjustment valve

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106959089A (en) * 2017-04-13 2017-07-18 陕西科技大学 A kind of valve drive gap measurement apparatus, measuring method and compensation method
CN106959089B (en) * 2017-04-13 2023-02-28 陕西科技大学 Valve transmission clearance measuring device, measuring method and compensating method
CN108526436A (en) * 2018-06-21 2018-09-14 深汕特别合作区力劲科技有限公司 A kind of injection control device and die casting machine
CN109027379A (en) * 2018-08-21 2018-12-18 天津市国威给排水设备制造有限公司 The adjusting method of remote adjustment valve system and remote adjustment valve system
CN109990483A (en) * 2019-03-26 2019-07-09 河北正生电器科技有限公司 A kind of Minitype digital Accurate Data Flow Control method
CN110030422A (en) * 2019-03-26 2019-07-19 北京星际荣耀空间科技有限公司 Flow regulator and adjusting method
CN110043707A (en) * 2019-03-28 2019-07-23 钦州市创华工控设备有限公司 A kind of analog signal turns the valve actuator of pulse signal

Similar Documents

Publication Publication Date Title
CN105508696A (en) Rotary precision regulating valve and method for controlling same
CN106671091B (en) A kind of robot hydraulic-driven cradle head closed-loop control system
CN102606786B (en) Electric-hydraulic valve as well as control device and control method thereof
CN102889254A (en) Dual-drive servo valve and control method thereof
CN107387478A (en) A kind of high accuracy number hydraulic motor
WO2015157936A1 (en) A flow control valve servo mechanism based on a step motor and control method thereof
CN108591139A (en) A kind of hydraulic power chuck clamping force control system and clamping force control method
CN104930014A (en) Digital servo hydraulic cylinder
CN108131341A (en) The adjustment method of the electrohydraulic actuator of one key automatic debugging system, its driving method and the debugging system
CN105508695A (en) Linear precision regulating value and control method thereof
CN110778768A (en) Electric valve capable of realizing corner closed-loop control and control method
CN205383319U (en) Rotation type minute adjustment valve
CN106884832A (en) A kind of electrohydraulic servo system
RU2014126424A (en) VALVE ACTUATORS
CN205401895U (en) Orthoscopic minute adjustment valve
CN101270812A (en) Stepped control type flux valve
CN102588648B (en) Method for adjusting gas pressure by adopting stop valve
CN202441957U (en) Electric hydraulic valve control device and electric hydraulic valve and engineering machinery
CN205644169U (en) Control system of marching type motor governing valve
CN204922125U (en) Remote control voltage regulator
CN210890301U (en) Electric valve capable of realizing closed-loop control of corner
CN204739242U (en) Torque motor metering valve
CN210890300U (en) Electric valve with error compensation control function
CN203948361U (en) A kind of directly valve feedback hydraulic synchronizer
CN104679037B (en) Gas flow regulation control device and control method based on DSP embedded system

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: 20160420

RJ01 Rejection of invention patent application after publication