CN202056383U - Intelligent actuator for controlling valve of alternating current machine - Google Patents
Intelligent actuator for controlling valve of alternating current machine Download PDFInfo
- Publication number
- CN202056383U CN202056383U CN2011201652663U CN201120165266U CN202056383U CN 202056383 U CN202056383 U CN 202056383U CN 2011201652663 U CN2011201652663 U CN 2011201652663U CN 201120165266 U CN201120165266 U CN 201120165266U CN 202056383 U CN202056383 U CN 202056383U
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- electric machine
- controlling element
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Abstract
The utility model discloses an intelligent actuator for controlling a valve of an alternating current motor, which comprises a master control module, a motor driving circuit for driving the alternating current motor and an encoder for detecting opening degree of the valve. The motor driving circuit is connected with the master control module, and the encoder outputs pulse signals to an input port of the master control module. The intelligent actuator for controlling the valve of the alternating current motor further comprises a 4-20 mA output circuit, a passive contact output interface, a handle operating module, a motor power-supply open-phase detecting circuit and other circuit modules. The intelligent actuator for controlling the valve of the alternating current motor can monitor and detect the opening degree of the valve and has rich functions.
Description
Technical field
The utility model relates to a kind of intelligent AC electric machine valve control final controlling element.
Background technique
Existing switching mode valve electric actuator generally adopts brshless DC motor, and valve opening adopts potentiometer to detect, and has the cost height, the control circuit complexity, and position detection accuracy is low, and shortcoming such as be out of order easily.
The Switching Electric Actuator of existing employing AC motor also exists control too simply to reach problems such as protection is not comprehensive, and concrete aperture that can accurately regulating valve can not show current valve position and working state.
Therefore, be necessary existing switching mode valve electric actuator is improved.
The model utility content
Technical problem to be solved in the utility model is to propose a kind of intelligent AC electric machine valve control final controlling element, and valve opening, testing precision height can accurately be controlled and detect to this intelligent AC electric machine valve control final controlling element.
Technical solution of the present utility model is as follows:
A kind of intelligent AC electric machine valve control final controlling element, the encoder that comprises main control module, is used to drive the motor-drive circuit of AC motor and is used to detect valve opening, motor-drive circuit is connected with main control module, and the encoder output pulse signal is to the input port of main control module.
Be provided with temperature transducer on AC motor, the signal output part of temperature transducer is connected with main control module.
Described intelligent AC electric machine valve control final controlling element also comprises the motor power lack detection circuit, and the motor power lack detection circuit is connected with main control module.
Described intelligent AC electric machine valve control final controlling element also comprises passive contact output interface, and main control module links to each other with passive contact output circuit.
Described intelligent AC electric machine valve control final controlling element also comprises the 4-20mA output circuit, and the 4-20mA output circuit is connected with main control module.
Described intelligent AC electric machine valve control final controlling element also comprises button, and button links to each other with main control module.
Described intelligent AC electric machine valve control final controlling element also comprises lever operated module, and the output signal of lever operated module links to each other with main control module.
Described intelligent AC electric machine valve control final controlling element also comprises remote control module, and described remote control module is connected with main control module.
When power down or electric part break down, can come by the rotation of handle the aperture of valve is carried out manually-operable.When handle is laid beamhouse operation, corresponding mechanical contact closure, main control module can be judged the state of handle by detecting this contact.
Beneficial effect:
The utility model possesses following advantage: need zero-sum school, school full when 1) using, have the control function that adapts to different strokes.Whether have phase shortage exist, if phase shortage then shows corresponding alarm code by nixie tube if 2) when connecting three phase mains, can detect power supply.3) when motor moves when the square-wave pulse number that is produced in the unit time during less than the default percentage of the square-wave pulse number of normal operation; motor stops at once; having corresponding alarm code on the nixie tube shows; had the moment protective function (when having served as the moment situation and having taken place, during the motor operation speed can be slack-off or stop fully).4) when motor moves, sudden power, and motor can not stop owing to inertia moment, this moment, relevant data value can prevent loss of data by powered battery, had power down data hold function.5) adopted the main control chip of 8 single-chip microcomputers as final controlling element, motion speed is fast, and the precision height uses simple advantage.6) because each function module adopts circuit module commonly used, cost is low.
Description of drawings
Fig. 1 is the general structure schematic representation of embodiment 1 intelligent AC electric machine valve control final controlling element.
Embodiment
Below with reference to the drawings and specific embodiments the utility model is described in further details:
Embodiment 1:
As shown in Figure 1, a kind of intelligent AC electric machine valve control final controlling element, the encoder that comprises main control module, is used to drive the motor-drive circuit of AC motor and is used to detect valve opening, motor-drive circuit is connected with main control module, and the encoder output pulse signal is to the input port of main control module.
Be provided with temperature transducer on AC motor, the signal output part of temperature transducer is connected with main control module.
Described intelligent AC electric machine valve control final controlling element also comprises the motor power lack detection circuit, and the motor power lack detection circuit is connected with main control module.
Described intelligent AC electric machine valve control final controlling element also comprises passive contact output interface, and main control module links to each other with passive contact output circuit.
Described intelligent AC electric machine valve control final controlling element also comprises the 4-20mA output circuit, and the 4-20mA output circuit is connected with main control module.
Described intelligent AC electric machine valve control final controlling element also comprises button, and button links to each other with main control module.
Described intelligent AC electric machine valve control final controlling element also comprises lever operated module, and the output signal of lever operated module links to each other with main control module.
Described intelligent AC electric machine valve control final controlling element also comprises remote control module, and described remote control module is connected with main control module.
Intelligent AC electric machine valve control final controlling element is mainly finished The whole control by remote mode (urgent, drive valve, close valve, stop) with regard to ground mode (open, close, definite), it is full at first will to carry out zero-sum school, school to final controlling element before operation for the first time, otherwise can occur the open and close valve opening not to or cross moment and report to the police.
When rotating, motor drives the square signal that encoder is exported two groups of different amount, the clockwise and anticlockwise that phase sequence by detecting two prescription ripple signals and pulse number are judged motor and the size of stroke, valve opening that the trip size is promptly corresponding, clockwise and anticlockwise is promptly corresponding, and valve is opens or constantly closing continuing, and the correlation technique of encoder is a prior art.
The telecontrol mode: the telecontrol mode can adopt impulse type and the control of lasting type.Its telecontrol input terminal can carry out respective remote control by the passive output contact of telecontrol DCS system or other controller.
Control mode on the spot: control mode is to switch to regard to ground mode by the mode key above the controller on the spot, by opening valve key or closing valve key valve is controlled then.
Final controlling element is when normal operation, have simultaneously with the electric current of 4～20mA of the corresponding standard of valve opening (the opening ratio of current valve position by the current forms output of corresponding size with it) and the passive contact of many groups and export, exactly the real time information of valve opening and other parameters is fed back to upper-position unit.The PWM output that the 4-20mA output circuit adopts single-chip microcomputer to carry is controlled, and belongs to the mature technology in present technique field.Passive contact output circuit adopts relay output.
Main control module adopts single-chip microcomputer (for example STC12LE5A60S2 type single-chip microcomputer) or DSP or ARM or PLC.
The inspection principle of motor power lack detection circuit is: a certain phase voltage outputs to the input end (being luminous end) of optocoupler again through rectifying and wave-filtering after the transformer step-down, main control module just judges whether to exist phase shortage according to the current potential of optocoupler output terminal.
Display modular comprises that nixie tube shows and the LED mode state shows.
Lever operated input provides under power-down mode or move under the urgent manual tune, when in a single day handle is opened, nixie tube only shows current aperture, and led state pattern lamp shows that present mode is constant, when lever operated closing, then controller directly returns and continues operation under the remote mode.
Claims (8)
1. an intelligent AC electric machine valve is controlled final controlling element, it is characterized in that, the encoder that comprises main control module, is used to drive the motor-drive circuit of AC motor and is used to detect valve opening, motor-drive circuit is connected with main control module, and the encoder output pulse signal is to the input port of main control module.
2. intelligent AC electric machine valve control final controlling element according to claim 1 is characterized in that be provided with temperature transducer on AC motor, the signal output part of temperature transducer is connected with main control module.
3. intelligent AC electric machine valve control final controlling element according to claim 1 is characterized in that also comprise the motor power lack detection circuit, the motor power lack detection circuit is connected with main control module.
4. intelligent AC electric machine valve control final controlling element according to claim 1 is characterized in that also comprise passive contact output interface, main control module links to each other with passive contact output circuit.
5. intelligent AC electric machine valve control final controlling element according to claim 1 is characterized in that also comprise the 4-20mA output circuit, the 4-20mA output circuit is connected with main control module.
6. intelligent AC electric machine valve control final controlling element according to claim 1 is characterized in that also comprise button, button links to each other with main control module.
7. intelligent AC electric machine valve control final controlling element according to claim 1 is characterized in that also comprise lever operated module, the output signal of lever operated module links to each other with main control module.
8. according to each described intelligent AC electric machine valve control final controlling element of claim 1-7, it is characterized in that also comprise remote control module, described remote control module is connected with main control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201652663U CN202056383U (en) | 2011-05-23 | 2011-05-23 | Intelligent actuator for controlling valve of alternating current machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201652663U CN202056383U (en) | 2011-05-23 | 2011-05-23 | Intelligent actuator for controlling valve of alternating current machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202056383U true CN202056383U (en) | 2011-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201652663U Expired - Fee Related CN202056383U (en) | 2011-05-23 | 2011-05-23 | Intelligent actuator for controlling valve of alternating current machine |
Country Status (1)
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| CN (1) | CN202056383U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982695A (en) * | 2014-05-19 | 2014-08-13 | 东正科技有限公司 | Intelligent controller for pneumatic valve |
| CN105972288A (en) * | 2016-05-31 | 2016-09-28 | 新疆天脉农业智控科技有限公司 | Power-storing type intelligent control electrically operated valve for irrigation |
| CN107063347A (en) * | 2017-04-12 | 2017-08-18 | 江苏利得智能监测科技有限公司 | A kind of gas sensor, monitoring system and monitoring method |
| CN108779874A (en) * | 2016-03-11 | 2018-11-09 | 横河电机株式会社 | Valve opens and closes system and control valve device |
| CN108953253A (en) * | 2018-09-25 | 2018-12-07 | 无锡市经登自控阀门有限公司 | Electro-hydraulic linkage actuator |
| CN113803511A (en) * | 2021-08-24 | 2021-12-17 | 温州合力自动化仪表有限公司 | Intelligent actuator |
-
2011
- 2011-05-23 CN CN2011201652663U patent/CN202056383U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982695A (en) * | 2014-05-19 | 2014-08-13 | 东正科技有限公司 | Intelligent controller for pneumatic valve |
| CN108779874A (en) * | 2016-03-11 | 2018-11-09 | 横河电机株式会社 | Valve opens and closes system and control valve device |
| CN105972288A (en) * | 2016-05-31 | 2016-09-28 | 新疆天脉农业智控科技有限公司 | Power-storing type intelligent control electrically operated valve for irrigation |
| CN105972288B (en) * | 2016-05-31 | 2018-06-05 | 新疆天脉农业智控科技有限公司 | Electricity-storage type intelligent control irrigation motor-driven valve |
| CN107063347A (en) * | 2017-04-12 | 2017-08-18 | 江苏利得智能监测科技有限公司 | A kind of gas sensor, monitoring system and monitoring method |
| CN108953253A (en) * | 2018-09-25 | 2018-12-07 | 无锡市经登自控阀门有限公司 | Electro-hydraulic linkage actuator |
| CN113803511A (en) * | 2021-08-24 | 2021-12-17 | 温州合力自动化仪表有限公司 | Intelligent actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20120523 |