CN2264434Y - Permanent-magnet electromagnetic regulating actuating mechanism - Google Patents
Permanent-magnet electromagnetic regulating actuating mechanism Download PDFInfo
- Publication number
- CN2264434Y CN2264434Y CN 96213297 CN96213297U CN2264434Y CN 2264434 Y CN2264434 Y CN 2264434Y CN 96213297 CN96213297 CN 96213297 CN 96213297 U CN96213297 U CN 96213297U CN 2264434 Y CN2264434 Y CN 2264434Y
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- China
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- gear
- valve rod
- transducer
- connects
- utility
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a permanent-magnet electromagnetic regulating actuating mechanism. The utility model is characterized in that the utility model comprises a mechanical part and an electrical appliance part, and namely, the utility model is composed of a valve shaft (9), a permanent magnetic column (3), an electromagnetic coil (2), a valve rod gear (10), a regulating gear (11) which is engaged with the valve rod gear (10), a gear shaft (8), regulating gears (11) and (13), a hand wheel, a gear (14) which is connected with the hand wheel, a feedback potentiometer (7), a converter (6), a power supply (5), an amplification regulator (4), etc. The utility model saves energy, raises the control precision and speed and extends the service life.
Description
The utility model relates to the actuator in the automated system, and specifically the permanent magnet electromagnetic formula is regulated actuator.
In automation control area, the quality of executive component is one of key factor that is related to whole process control success or not.And the employed electric operator characteristics of terrain are: rotated by motor and produce displacement by gear reduction and transmission, thereby reach the purpose of control.In transmission process, there is the low and mechanical friction of electric efficiency, lowers efficiency, increase factors such as energy consumption and poor reliability.
The purpose of this utility model provides a kind of low energy consumption, high reliability, and the high speed orienting response, friction-free substantially permanent magnet electromagnetic formula is regulated actuator.
The purpose of this utility model is achieved in that this mechanism is made of mechanical part and electrical appliance part, solenoid outside permanent magnetism cylinder and the valve rod is arranged in valve rod, the bottom of permanent magnetism cylinder is valve rod gear and the adjusting gear (11) that is engaged with, gear shaft and adjusting gear (11,13) and feedback potentiometer connect, gear that connects with handwheel (14) and gear (13) engagement, feedback potentiometer connects with transducer, transducer and power supply, amplifying regulator connects and the output signal of telecommunication, amplifying regulator again with solenoid, power supply connects and receives the outer input control signal of telecommunication, and power supply also connects with transducer and amplifying regulator.
Its principle is: the permanent magnetism cylinder is in solenoid, when electric current process coil, produce an electromagnetic field, if the magnetic polarity of the magnetic polarity of electromagnetic field and permanent magnetism has just produced repulsive force when identical, thereby the metal or the nonmetal bar that promote the connection permanent magnet are that valve rod moves, and the motive force of position that it moves or distance and output is influenced by the current strength of coil and the reaction force of control material.Therefore regulating and controlling is carried out to the current strength of coil by the feedback resistance signal that the position feedback device provides through the control signal of telecommunication that transducer converts the signal of telecommunication and outputs such as external regulator filter or manual operator to again jointly in the accurate position of valve rod needs, thereby reaches desired accurate position apace.Thereby the position feedback potentiometer is exported to other controller to feedback signal again simultaneously and is accurately controlled whole system.
When needs pulling valve rod, produce a magnetic field opposite by solenoid again and attract valve rod to move with permanent magnet magnetic, the position of its pulling or distance equally also are subjected to the reaction force influence of coil and valve rod.Therefore the accurate position that need move of valve rod is controlled the current strength of coil jointly by feedback signal and external control signal again, regulates amplification, thereby reaches desired accurate position apace, reaches the purpose of control.
When outage or break signal, the position of available handwheel regulating valve stem.
, but be not limited to shown in the accompanying drawing this practical being described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present utility model
Among the figure, 1-handwheel, 2-solenoid, 3-permanent magnetism scapus, 4-amplifying regulator, 5-power supply, 6-transducer, 7-feedback potentiometer, 8-gear shaft, 9-valve rod, 10-valve rod gear, 11-gear, 12-articulation, 13-gear, 14-gear, 15-solenoid.
As shown in the figure, the utility model is made of mechanical part and electrical appliance part, solenoid 2 outside permanent magnetism cylinder 3 and the valve rod is arranged in valve rod 9, the bottom of permanent magnetism cylinder is valve rod gear 10 and the adjusting gear 11 that is engaged with, gear shaft 8 and adjusting gear 11,13 and feedback potentiometer 7 connect, gear 14 that connects with handwheel and gear 13 engagements, feedback potentiometer connects with transducer 6, transducer and power supply 5, amplifying regulator 4 connects and the output signal of telecommunication, amplifying regulator again with solenoid, power supply connects and receives the outer input control signal of telecommunication, and power supply also connects with transducer and amplifying regulator.Wherein, gear shaft is connected with gear 13 by articulation 12, and transducer adopts the transducer that resistance is converted to the signal of telecommunication, and amplifying regulator adopts binary signal is relatively carried out the resonance-amplifier that difference is amplified.
When requiring the valve rod output torque big, also can be after energising of 2 times serial connections of solenoid the electromagnetism polarity coil 15 opposite with 2, can improve the output torque of valve rod so greatly.
During work, when signal is imported, this signal and feedback signal compare and enlarge in resonance-amplifier, the respective electrical of amplifying flows to solenoid, produce the magnetic pole that electromagnetic field is identical with permanent magnet, thereby promote stem movement, the position of motion by the feedback potentiometer output signal to transducer, transducer converts the corresponding signal of telecommunication to resonance-amplifier, compares and enlarges with input electrical signal.Zoom into corresponding electric current and output to solenoid, thereby become corresponding electromagnetic field intensity and polarity spurs, promote valve rod and arrive the control purpose.
When outage or other reason when the signal of telecommunication can't be worked, rotate handwheel, its mechanical force is by gear 14,13 and be transferred to gear 10 by articulation and pinion 11, thus the drive stem movement, the position of regulating valve stem reaches the purpose of manual control.
The utlity model has following characteristics:
1, because the valve rod of connection permanent magnet and permanent magnet and coil are contactless, and Mechanical transmission, therefore can be considered does not have the friction motion. Thereby reduce energy consumption, reduce volume Weight is accelerated mobile and locating speed (this speed only is subjected to electronics to pass the impact of changing portion of element) And the advantage that can be considered unlimited service life (only is subjected to the shadow of coil and permanent magnetism demagnetization service life Ring);
2, when outage or break signal, the position of available handwheel regulating valve stem;
3, applicable to using as performance element in the various automatic control processes, substitute existing using Electronic, pneumatic, hydraulic actuating mechanism. Thereby saved the energy, improved control accuracy and reached Speed has prolonged service life.
Claims (5)
1, a kind of permanent magnet electromagnetic formula is regulated actuator, it is characterized in that constituting by mechanical part and electrical appliance part, the outer solenoid (2) of permanent magnetism cylinder (3) and valve rod is arranged in the valve rod (9), the bottom of permanent magnetism cylinder is valve rod gear (10) and the adjusting gear (11) that is engaged with, gear shaft (8) and adjusting gear (11,13) and feedback potentiometer (7) connect, gear that connects with handwheel (14) and gear (13) engagement, feedback potentiometer connects with transducer (6), transducer and power supply (5), amplifying regulator (4) connects and the output signal of telecommunication, amplifying regulator again with solenoid, power supply connects and receives the outer input control signal of telecommunication, and power supply also connects with transducer and amplifying regulator.
2, actuator according to claim 1 is characterized in that gear shaft is connected with gear (13) by articulation (11).
3, actuator according to claim 1 is characterized in that transducer adopts the transducer that resistance is converted to the signal of telecommunication.
4, actuator according to claim 1 is characterized in that amplifying regulator adopts the resonance-amplifier that signal is relatively carried out the difference amplification.
5, actuator according to claim 1 is characterized in that also can being connected in series a coil opposite polarity with it (15) down at solenoid (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96213297 CN2264434Y (en) | 1996-06-12 | 1996-06-12 | Permanent-magnet electromagnetic regulating actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96213297 CN2264434Y (en) | 1996-06-12 | 1996-06-12 | Permanent-magnet electromagnetic regulating actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2264434Y true CN2264434Y (en) | 1997-10-08 |
Family
ID=33895686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96213297 Expired - Fee Related CN2264434Y (en) | 1996-06-12 | 1996-06-12 | Permanent-magnet electromagnetic regulating actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2264434Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848560A (en) * | 2019-03-18 | 2019-06-07 | 中国科学院上海光学精密机械研究所 | A kind of laser-arc composite heat source device and its welding method |
-
1996
- 1996-06-12 CN CN 96213297 patent/CN2264434Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848560A (en) * | 2019-03-18 | 2019-06-07 | 中国科学院上海光学精密机械研究所 | A kind of laser-arc composite heat source device and its welding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |