CN104155898A - Control system for electric actuator converting analog quantity into switching value - Google Patents
Control system for electric actuator converting analog quantity into switching value Download PDFInfo
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- CN104155898A CN104155898A CN201410385002.7A CN201410385002A CN104155898A CN 104155898 A CN104155898 A CN 104155898A CN 201410385002 A CN201410385002 A CN 201410385002A CN 104155898 A CN104155898 A CN 104155898A
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- potentiometer
- electric actuator
- control system
- analog quantity
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Abstract
The invention discloses a control system for an electric actuator converting analog quantity into a switching value. The control system comprises a micro processor, and further comprises a potentiometer and a silicon controlled rectifier, wherein the micro processor comprises a signal input port and a signal output port; the potentiometer is used for detecting the displacement change of the electric actuator, and is in electrical signal connection with the input port; the silicon controlled rectifier is used for controlling the motion of the electric actuator and is in signal connection with the output port; the potentiometer is capable of converting the only variation of the electric actuator into an electrical signal, and is in electrical signal connection with a micro processor through a data interface; the micro processor judges the running position of the electric actuator according to the electrical signal, and then controls the electrical actuator through the silicon controlled rectifier. The control system utilizes the potentiometer not easy to damage to reflect the actual position of the electric actuator, and utilizes the micro processor for converting the analog quantity into the switching quantity to be fed back to an external DCS, so that the system can be operated stably and the service life is prolonged.
Description
Technical field
The present invention relates to opertaing device technical field, refer to that especially a kind of analog quantity turns switching value Electronic Actuator Control System.
Background technology
Traditional switching value electric operator utilizes feedback switch to reflect the position of topworks, and feedback switch originally there will be fault in the process of using, and causes control system to be stopped transport, and for production, can cause heavy losses.
Summary of the invention
In view of this, the invention provides a kind of analog quantity and turn switching value Electronic Actuator Control System, to address the above problem.
For achieving the above object, the invention provides following technical scheme:
A kind of analog quantity turns switching value Electronic Actuator Control System, comprise microprocessor, described microprocessor has signal input port and signal output port, also include potentiometer and controllable silicon, described potentiometer is for detection of the change in displacement of electric operator, described potentiometer is connected with described input port electric signal, and described controllable silicon is for controlling the motion of electric operator, and described controllable silicon is connected with described output port signal.
In an embodiment of the invention, described microprocessor is processor in MCU single-sheet miniature.
The invention provides a kind of analog quantity and turn switching value Electronic Actuator Control System, comprise microprocessor, microprocessor has signal input port and signal output port, also include potentiometer and controllable silicon, potentiometer is for detection of the change in displacement of electric operator, potentiometer is connected with input port electric signal, and controllable silicon is for controlling the motion of electric operator, and controllable silicon is connected with output port signal.Potentiometer can be converted to electric signal by unique variable quantity of electric actuator, and be connected with microprocessor electric signal by data-interface, microprocessor judges the run location of electric actuator according to electric signal, and then by controllable silicon, electric actuator is controlled.Of the present inventionly be a little: the switching value feedback of traditional electric operator relies on location switch to reflect the physical location state of topworks, and location switch easily breaks down in the process of operation, utilization of the present invention does not allow flimsy potentiometer to reflect the physical location of topworks, by microprocessor, convert switching value to and feed back to outside DCS control system, so not only system run all right, has also obtained prolongation serviceable life.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structured flowchart that in an embodiment of the present invention, analog quantity turns switching value Electronic Actuator Control System.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, Fig. 1 is the structured flowchart that in an embodiment of the present invention, analog quantity turns switching value Electronic Actuator Control System.
The invention provides a kind of analog quantity and turn switching value Electronic Actuator Control System, comprise microprocessor 1, microprocessor 1 has signal input port and signal output port, also include potentiometer 2 and controllable silicon 3, potentiometer 2 is for detection of the change in displacement of electric operator, potentiometer 2 is connected with input port electric signal, and controllable silicon 3 is for controlling the motion of electric operator, and controllable silicon 3 is connected with output port signal.
Analog quantity refers to that variable, in certain limit continually varying amount, namely can get arbitrary value (in codomain) in certain limit (field of definition).Digital quantity (being in the present invention switching value) is that discrete amount is not that continuous variable quantity can only be got several discrete value binary digit variablees and can only get two values.
Controllable silicon, is the abbreviation of silicon controlled rectifier, is a kind of large power semiconductor device with the four-layer structure of three PN junctions, is also called thyristor.Having the features such as volume is little, structure is relatively simple, function is strong, is one of semiconductor devices of relatively commonly using.This device is widely used in, in various electronic equipments and electronic product, being used for controlled rectification, inversion, frequency conversion, pressure regulation, noncontacting switch etc. more.
Potentiometer (English: Potentiometer) be a kind of of variohm, normally by resistive element and rotation or sliding system, formed, by a moving contact, on resistive element, move, obtain part Voltage-output, the size of the effect of potentiometer---regulation voltage (containing DC voltage and signal voltage) and electric current.
In said structure design, potentiometer 2 can be converted to electric signal by unique variable quantity of electric actuator, and be connected with microprocessor 1 electric signal by data-interface, microprocessor 1 judges the run location of electric actuator according to electric signal, and then controls by 3 pairs of electric actuator of controllable silicon.Of the present inventionly be a little: the switching value feedback of traditional electric operator relies on location switch to reflect the physical location state of topworks, and location switch easily breaks down in the process of operation, utilization of the present invention does not allow flimsy potentiometer 2 to reflect the physical location of topworks, by microprocessor 1, convert switching value to and feed back to outside DCS control system, so not only system run all right, has also obtained prolongation serviceable life.
Particularly, microprocessor 1 is processor in MCU single-sheet miniature.
A specific embodiment of the present invention: power supply connects 380V three-phase supply, motor connects 380V three phase electric machine, and potentiometer 2 is measured the potential test device of termination topworks; Pin out button motor to evolution to rotation, pin and close button motor to closing direction rotation; Close moment and connect the pass moment in Electrically operated gate, open moment and connect the moment of opening in Electrically operated gate; Close the spacing pass connecing in the Electrically operated gate signal that puts in place, open the spacing limit signal of opening connecing in Electrically operated gate; Close and feed back the pass feedback signal line that meets DCS, open the feedback signal of opening that feedback meets DCS; Close instruction and connect the pass command signal on DCS, open instruction and connect the command signal of opening on DCS.Pin on-the-spot button and pin out button simultaneously for preserving the current open position value of potentiometer 2, pin on-the-spot button and pin pass button for preserving the current pass positional value of potentiometer 2 simultaneously.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (2)
1. analog quantity turns a switching value Electronic Actuator Control System, comprises microprocessor (1), and described microprocessor has signal input port and signal output port, it is characterized in that,
Also include potentiometer (2) and controllable silicon (3), described potentiometer is for detection of the change in displacement of electric operator, described potentiometer is connected with described input port electric signal, described controllable silicon is for controlling the motion of electric operator, and described controllable silicon is connected with described output port signal.
2. analog quantity according to claim 1 turns switching value Electronic Actuator Control System, it is characterized in that,
Described microprocessor is processor in MCU single-sheet miniature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385002.7A CN104155898A (en) | 2014-08-05 | 2014-08-05 | Control system for electric actuator converting analog quantity into switching value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385002.7A CN104155898A (en) | 2014-08-05 | 2014-08-05 | Control system for electric actuator converting analog quantity into switching value |
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| Publication Number | Publication Date |
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| CN104155898A true CN104155898A (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410385002.7A Pending CN104155898A (en) | 2014-08-05 | 2014-08-05 | Control system for electric actuator converting analog quantity into switching value |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2879261Y (en) * | 2006-02-16 | 2007-03-14 | 美的集团有限公司 | Mechanism for eliminating error of rotation angle |
| CN201435010Y (en) * | 2009-06-26 | 2010-03-31 | 河北申科电子股份有限公司 | Intelligent position localizer module |
| CN201444604U (en) * | 2009-05-13 | 2010-04-28 | 鞍山拜尔自控有限公司 | High-temperature type electric actuator |
| CN103244736A (en) * | 2013-05-17 | 2013-08-14 | 天津开利达控制技术开发有限公司 | Electric actuator with potentiometer and control method of electric actuator |
| CN204044560U (en) * | 2014-08-05 | 2014-12-24 | 大唐保定热电厂 | Analog quantity turns switching value Electronic Actuator Control System |
-
2014
- 2014-08-05 CN CN201410385002.7A patent/CN104155898A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2879261Y (en) * | 2006-02-16 | 2007-03-14 | 美的集团有限公司 | Mechanism for eliminating error of rotation angle |
| CN201444604U (en) * | 2009-05-13 | 2010-04-28 | 鞍山拜尔自控有限公司 | High-temperature type electric actuator |
| CN201435010Y (en) * | 2009-06-26 | 2010-03-31 | 河北申科电子股份有限公司 | Intelligent position localizer module |
| CN103244736A (en) * | 2013-05-17 | 2013-08-14 | 天津开利达控制技术开发有限公司 | Electric actuator with potentiometer and control method of electric actuator |
| CN204044560U (en) * | 2014-08-05 | 2014-12-24 | 大唐保定热电厂 | Analog quantity turns switching value Electronic Actuator Control System |
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Application publication date: 20141119 |
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