CN206093124U - Intelligence craspedodrome journey electric actuator controlling means - Google Patents
Intelligence craspedodrome journey electric actuator controlling means Download PDFInfo
- Publication number
- CN206093124U CN206093124U CN201620518697.6U CN201620518697U CN206093124U CN 206093124 U CN206093124 U CN 206093124U CN 201620518697 U CN201620518697 U CN 201620518697U CN 206093124 U CN206093124 U CN 206093124U
- Authority
- CN
- China
- Prior art keywords
- valve
- controller
- resistance
- switch pipe
- electric capacity
- 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.)
- Active
Links
Abstract
The utility model relates to a controlling means, especially an intelligence craspedodrome journey electric actuator controlling means belong to fluid process automation's technical field. According to the utility model provides a technical scheme, intelligence craspedodrome journey electric actuator controlling means, including the DC Brushless motor who is used for driving linear motion valve door division off state, DC Brushless motor passes through gear drive and is connected the cooperation with the valve, and DC Brushless motor is connected through DC Brushless motor driver module and the controller that is used for receiving valve control command, the controller still is connected with position detection circuitry who is used for the valve detection opening and closing process position and the moment monitoring module who is used for the valve detection load moment. The utility model discloses compact structure can effectively realize the intelligent regulation and the frequent motion control of alignment with stroke electric actuator's linear displacement output, and accommodation is wide, safe and reliable.
Description
Technical field
This utility model is related to a kind of control device, and especially a kind of intelligent straight stroke electric actuating mechanism control device, belongs to the technical field of flow liquid process automatization.
Background technology
Power source of the actuator as controlled valve, according to the difference of power resources, can specifically be divided into：Pneumatic actuator, electric operator, electro-hydraulic actuating mechanism etc., actuator coordinate valve pipe, are widely used in the industries such as oil, chemical industry, power station, sewage disposal.
As electric operator is the device of mating valve, according to the type of different application occasion lower valve door, the design of electric operator is also not quite similar, and such as, many rotary types, part are turned round（Angle stroke）Type, Direct Travel type etc..For the valve of the rectilinear motion of some small-sized non-rotating hoisting type valve rods of essence, compact conformation is compact, lightweight, and efficiency is high, and the electric operator of the perfect straight line thrust output of control function just seems necessary.
At present, Integral direct stroke electric operator is using single phase ac inductive asynchronous motor as power source, load motor is made up of stator and rotor, by outside start-up capacitance, so that a rotating excitation field is produced in air gap between stator and rotor, under rotating excitation field effect, faradic current in rotor, is generated, electric current is interacted with rotating excitation field and produces electromagnetic field torque, so that motor rotates.Its simple structure, is easy to control, however, the detent torque of single-phase alternating current asynchronous machine is low, easily generates heat, inefficiency, it is impossible to speed governing etc., and which is unsuitable for the operating mode at the chemical production device scene for being applied to frequent movement requirement.
Additionally, Integral direct stroke electric operator records physical location using the scheme of multi-turn adjustable potentiometer and Multi-stage precise gear combination, slip noise is big, heat-moisture resistance is bad, the deficiency such as high frequency characteristics difference due to existing for multi-turn adjustable potentiometer.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of intelligent straight stroke electric actuating mechanism control device is provided, its compact conformation, Intelligent adjustment and the frequent movement control of the straight-line displacement output to straight stroke electric actuating mechanism can effectively be realized, wide accommodation, it is safe and reliable.
According to the technical scheme that this utility model is provided, the intelligent straight stroke electric actuating mechanism control device, including for driving the DC brushless motor of linear motion valve door opening and closing state, the DC brushless motor is connected cooperation by gear drive with valve, DC brushless motor by driven by Brush-Less DC motor module with for receive Valve controlling instruction controller be connected, the controller also be used for detect that the position detecting circuit of valve switch course location and the torque monitoring modular for detecting valve loading moment are connected.
The power end of the controller is connected with the Switching Power Supply change-over circuit for outside civil power to be changed power supply, and the Switching Power Supply change-over circuit is also connected with driven by Brush-Less DC motor module.
The controller is connected with the switching knob on switch panel, remote control and LCDs.
The position detecting circuit includes Hall switch pipe H1 and Hall switch pipe H2, and the power end of the Hall switch pipe H1, the power end of Hall switch pipe H2 are connected with voltage VDD, and the earth terminal of Hall switch pipe H1, the earth terminal of Hall switch pipe H2 are grounded；The outfan of Hall switch pipe H1 is connected with one end of one end of resistance R1 and magnetic bead RC1, the outfan of Hall switch pipe H2 is connected with one end of one end of resistance R2 and magnetic bead RC2, the other end of resistance R1 is connected with voltage VDD, the other end of magnetic bead RC1 is connected with one end of electric capacity C1, one end of resistance R3, the other end ground connection of electric capacity C1, the other end of resistance R3 is connected with one end of electric capacity C2 and the input of controller, the other end ground connection of electric capacity C2；The other end of resistance R2 is connected with voltage VDD, the other end of magnetic bead RC2 is connected with one end of resistance R4 and one end of electric capacity C3, the other end ground connection of electric capacity C3, the other end of resistance R4 are connected with one end of electric capacity C4 and the input of controller, the other end ground connection of electric capacity C4.
Advantage of the present utility model：The control realized to valve switch state is coordinated with gear drive by DC brushless motor, controller realizes the driving to DC brushless motor by driven by Brush-Less DC motor module, the switching process for obtaining valve is detected by position detecting circuit, the torque of valve load is obtained by moment inspecting module, Intelligent adjustment and the frequent movement control of the straight-line displacement output to straight stroke electric actuating mechanism can effectively be realized, compact conformation, wide accommodation are safe and reliable.
Description of the drawings
Fig. 1 is structured flowchart of the present utility model.
Circuit theory diagrams of the Fig. 2 for this utility model driven by Brush-Less DC motor module.
Circuit theory diagrams of the Fig. 3 for this utility model position detecting circuit.
Specific embodiment
With reference to concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1：In order to be able to effectively realize Intelligent adjustment and the frequent movement control of the straight-line displacement output to straight stroke electric actuating mechanism, this utility model is included for driving the DC brushless motor of linear motion valve door opening and closing state, the DC brushless motor is connected cooperation by gear drive with valve, DC brushless motor by driven by Brush-Less DC motor module with for receive Valve controlling instruction controller be connected, the controller also be used for detect that the position detecting circuit of valve switch course location and the torque monitoring modular for detecting valve loading moment are connected.
Specifically, the power end of the controller is connected with the Switching Power Supply change-over circuit for outside civil power to be changed power supply, and the Switching Power Supply change-over circuit is also connected with driven by Brush-Less DC motor module.The controller is connected with the switching knob on switch panel, remote control and LCDs.
Controller can adopt conventional micro-chip processor, such as single-chip microcomputer etc., particular type be selected as needed, and specially known to those skilled in the art, here is omitted.Valve controlling instruction is received by controller, and DC brushless motor is controlled by driven by Brush-Less DC motor module and drive gear drive, so as to the opening and closing with movable valve.
Valve controlling instruction has three sources, under manual work state, can be sent for driving the switching value of DC brushless motor to be used as Valve controlling instruction by the switching knob of switch panel；Under telework state, controller receives the corresponding Valve controlling instruction of 4-20mA current signals that long-range Central Control Room sends, such as valve opening and pass valve instruction by communication interface；Under remote control working condition, controller receives the Valve controlling instruction that remote control sends.Three different working conditions of electric device for valve can be set by switch panel（Manually/long-range/remote control）, and send for driving the switching value of DC brushless motor；Valve current location, torque parameter, warning message etc. can intuitively be shown by LCDs.
Driven by Brush-Less DC motor module receives the brush DC drive signal of controller, for driving positive/negative rotation of DC brushless motor to make；Driven by Brush-Less DC motor module is three-phase inversion module, and busbar voltage is by the supply voltage direct drive in Switching Power Supply change-over circuit；Drive gear drive mechanism is used for by DC brushless motor；The concrete form of gear drive is related to valve, is defined by matching with valve, and the concrete form of gear drive is that here is omitted known to those skilled in the art.Switching Power Supply change-over circuit outside 220V alternating currents are converted to into controller, driven by Brush-Less DC motor module needed for unidirectional current, Switching Power Supply change-over circuit can be in the form of the art be conventional, specially known to those skilled in the art, here is omitted.
Torque monitoring modular is converted to linear measurable voltage signal for the torque amount that loads valve and is supplied to controller; moment inspecting module is connected with amplifying circuit with driven by Brush-Less DC motor module by current sample; with the sampling by the driving current to DC brushless motor and processing and amplifying; so as to realize the monitoring to valves loading moment amount, the final protection realized to the straight stroke electric actuating mechanism and valve；When the torque amount of such as valve load is excessive, controller sends halt instruction so that DC brushless motor does not continue to rotate.
As shown in Fig. 2 schematic diagram is embodied as driven by Brush-Less DC motor module one kind, wherein, driven by Brush-Less DC motor module includes control circuit and power driving circuit；The PWM driving chips that control circuit is included dsp chip and is connected with dsp chip；Power driving circuit includes six power switch pipe Q1～Q6, constitutes three-phase bridge power circuit, the control end connection PWM driving chips of each power tube, the pwm signal control exported by microprocessor.
When being embodied as, as brshless DC motor does not have brush, its commutation is completed using electronic mechanism, i.e. the level signal according to produced by Hall element detects rotor-position, so that it may it is determined that corresponding positive/negative conversion phase order.In order to flexibly control motor speed, using pulse modulation technology（PWM）, the signal modulation of motor forward/backward rotation will be controlled on altofrequency carrier wave, when changing the dutycycle of PWM modulation signal, the average voltage of motor stator also changes therewith, so that the rotating speed of motor changes,
As shown in Figure 3, the position detecting circuit includes Hall switch pipe H1 and Hall switch pipe H2, the power end of the Hall switch pipe H1, the power end of Hall switch pipe H2 are connected with voltage VDD, and the earth terminal of Hall switch pipe H1, the earth terminal of Hall switch pipe H2 are grounded；The outfan of Hall switch pipe H1 is connected with one end of one end of resistance R1 and magnetic bead RC1, the outfan of Hall switch pipe H2 is connected with one end of one end of resistance R2 and magnetic bead RC2, the other end of resistance R1 is connected with voltage VDD, the other end of magnetic bead RC1 is connected with one end of electric capacity C1, one end of resistance R3, the other end ground connection of electric capacity C1, the other end of resistance R3 is connected with one end of electric capacity C2 and the input of controller, the other end ground connection of electric capacity C2；The other end of resistance R2 is connected with voltage VDD, the other end of magnetic bead RC2 is connected with one end of resistance R4 and one end of electric capacity C3, the other end ground connection of electric capacity C3, the other end of resistance R4 are connected with one end of electric capacity C4 and the input of controller, the other end ground connection of electric capacity C4.
In this utility model embodiment, it is connected with gear drive by position detecting circuit, to record the physical location of valve opening and closing process, by Hall galvanomagnetic-effect, replace traditional multi-turn adjustable resistance, realize it is contactless the physical displacement amount that linear motion valve door gear open and close action is driven from straight stroke electric actuating mechanism is converted to into digital quantity with showing, for controller real time record and control, so that it is guaranteed that valve is being opened and closing course positional information is not lost；
Specifically, magnetic bead RC1, magnetic bead RC2 are used to suppress high-frequency noise and spike interference, and voltage VDD is+5V.Installed in on a feedback wheel being connected on Direct Travel actuator shaft, feedback wheel can follow motor and rotate the position detecting circuit of Hall galvanomagnetic-effect；In motor operation, feedback wheel is in rotation process, as Magnet senses, Hall switch pipe H1, Hall switch pipe H2 can cause level to change, it is eventually up into one group of orthogonal pulse square wave in controller pin, controller is by being captured and being processed to the orthogonal pulses square wave, you can obtain the digit pulse amount for representing valve element physical location.
This utility model can cause straight stroke electric actuating mechanism at the technological requirement scene of frequent regulation action, receive the long-range close/open valve action command of Central Control Room, efficiently realize that the regulation to straight stroke valve is controlled.
Claims (4)
1. a kind of intelligent straight stroke electric actuating mechanism control device, is characterized in that：Including for driving the DC brushless motor of linear motion valve door opening and closing state, the DC brushless motor is connected cooperation by gear drive with valve, DC brushless motor by driven by Brush-Less DC motor module with for receive Valve controlling instruction controller be connected, the controller also be used for detect that the position detecting circuit of valve switch course location and the torque monitoring modular for detecting valve loading moment are connected.
2. intelligent straight stroke electric actuating mechanism control device according to claim 1, is characterized in that：The power end of the controller is connected with the Switching Power Supply change-over circuit for outside civil power to be changed power supply, and the Switching Power Supply change-over circuit is also connected with driven by Brush-Less DC motor module.
3. intelligent straight stroke electric actuating mechanism control device according to claim 1, is characterized in that：The controller is connected with the switching knob on switch panel, remote control and LCDs.
4. intelligent straight stroke electric actuating mechanism control device according to claim 1, is characterized in that：The position detecting circuit includes Hall switch pipe H1 and Hall switch pipe H2, and the power end of the Hall switch pipe H1, the power end of Hall switch pipe H2 are connected with voltage VDD, and the earth terminal of Hall switch pipe H1, the earth terminal of Hall switch pipe H2 are grounded；The outfan of Hall switch pipe H1 is connected with one end of one end of resistance R1 and magnetic bead RC1, the outfan of Hall switch pipe H2 is connected with one end of one end of resistance R2 and magnetic bead RC2, the other end of resistance R1 is connected with voltage VDD, the other end of magnetic bead RC1 is connected with one end of electric capacity C1, one end of resistance R3, the other end ground connection of electric capacity C1, the other end of resistance R3 is connected with one end of electric capacity C2 and the input of controller, the other end ground connection of electric capacity C2；The other end of resistance R2 is connected with voltage VDD, the other end of magnetic bead RC2 is connected with one end of resistance R4 and one end of electric capacity C3, the other end ground connection of electric capacity C3, the other end of resistance R4 are connected with one end of electric capacity C4 and the input of controller, the other end ground connection of electric capacity C4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620518697.6U CN206093124U (en) | 2016-05-31 | 2016-05-31 | Intelligence craspedodrome journey electric actuator controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620518697.6U CN206093124U (en) | 2016-05-31 | 2016-05-31 | Intelligence craspedodrome journey electric actuator controlling means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206093124U true CN206093124U (en) | 2017-04-12 |
Family
ID=58471639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620518697.6U Active CN206093124U (en) | 2016-05-31 | 2016-05-31 | Intelligence craspedodrome journey electric actuator controlling means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206093124U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194681A (en) * | 2018-01-19 | 2018-06-22 | 常州电站辅机股份有限公司 | The wake-up system of electric operator |
| CN108533818A (en) * | 2018-06-06 | 2018-09-14 | 苏州博睿测控设备有限公司 | A kind of intelligent electric executer control system using DC brushless motor |
| CN108646628A (en) * | 2018-06-06 | 2018-10-12 | 苏州博睿测控设备有限公司 | A kind of band Bluetooth control function intelligent electric executer control system |
| CN108809155A (en) * | 2018-06-06 | 2018-11-13 | 苏州博睿测控设备有限公司 | A kind of high-precision control intelligent electric executer control system |
| CN108799595A (en) * | 2018-06-06 | 2018-11-13 | 苏州博睿测控设备有限公司 | A kind of DC power supply intelligent electric executer control system |
-
2016
- 2016-05-31 CN CN201620518697.6U patent/CN206093124U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194681A (en) * | 2018-01-19 | 2018-06-22 | 常州电站辅机股份有限公司 | The wake-up system of electric operator |
| CN108194681B (en) * | 2018-01-19 | 2024-04-09 | 常州电站辅机股份有限公司 | Wake-up system of electric actuating mechanism |
| CN108533818A (en) * | 2018-06-06 | 2018-09-14 | 苏州博睿测控设备有限公司 | A kind of intelligent electric executer control system using DC brushless motor |
| CN108646628A (en) * | 2018-06-06 | 2018-10-12 | 苏州博睿测控设备有限公司 | A kind of band Bluetooth control function intelligent electric executer control system |
| CN108809155A (en) * | 2018-06-06 | 2018-11-13 | 苏州博睿测控设备有限公司 | A kind of high-precision control intelligent electric executer control system |
| CN108799595A (en) * | 2018-06-06 | 2018-11-13 | 苏州博睿测控设备有限公司 | A kind of DC power supply intelligent electric executer control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206093124U (en) | Intelligence craspedodrome journey electric actuator controlling means | |
| CN103051140B (en) | With the sensor commutation electro-motor and the method that determine without sensor Angle Position | |
| CN104852637A (en) | Two-chip brushless DC motor drive control system and control method thereof | |
| CN102739150B (en) | Parameter identification control device and control method of sensorless permanent magnet synchronous motor | |
| CN103953546B (en) | The control gear of compressor and there is its compressor control system | |
| CN109412481A (en) | Electric car permanent magnet synchronous motor current feed-forward-Voltage Feedback field weakening control method | |
| CN109120201A (en) | A kind of switched reluctance machines method for reconstructing phase current | |
| CN100347946C (en) | Servo driver for DC electric machine | |
| CN105790651B (en) | A kind of control method and its drive system of three-phase doubly-salient brushless DC generator | |
| CN206878653U (en) | A kind of automobile-used magnetic coder structure of electric car or electric motorcycle | |
| CN105553344A (en) | Three-phase brushless motor controller without position sensor and control method of three-phase brushless motor controller | |
| CN205693592U (en) | A kind of three-phase brushless motor control system | |
| CN209402446U (en) | A kind of gate control system and gate | |
| CN204592494U (en) | Flow control valve | |
| CN206595869U (en) | A kind of alternating current impression servo high-speed motor | |
| CN201896024U (en) | Permanent magnetic synchronous door machine controller | |
| CN206585491U (en) | A kind of DC permanent magnet brush electric machine controller of small-sized electric storage car steering | |
| CN201467069U (en) | Permanent-magnet synchronous linear motor driver | |
| CN201854231U (en) | Direct current brushless motor controller for bean milk machine | |
| CN201174678Y (en) | Power source and movable electric tool adopting the power source | |
| CN209170253U (en) | A kind of Multi-purpose intelligent electric operator | |
| CN201882140U (en) | Electric power steering system of electromobile | |
| CN202550953U (en) | Automotive PMSM (Permanent Magnet Synchronous Motor) control system based on GMR (Giant Magneto Resistive) sensor | |
| CN205928038U (en) | Big moment of torsion mills power device with drilling | |
| CN201306503Y (en) | Energy-saving electric valve device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |