Control device for an actuator

Details Control device for an actuator Control device for an actuator

2011-05-17

2011-05-17

Patel, Dharti H (Department: 2836)

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

C361S078000, C361S086000, C361S090000, C361S160000, C361S189000

Reexamination Certificate

active

07944672

ABSTRACT:
A control device applicable to an actuator and including a voltage detection unit and a limit switch control unit. The control device is inbuilt inside the actuator without any additional control circuit for the control of the limit switches and the detection of the input voltage range. The limit switches are used to limit the travel of an actuating member of the actuator so as to avoid collision of the mechanism. The voltage detection unit serves to detect the input voltage range to control the operation of the actuator. Accordingly, the mechanism or the motor is protected from damage due to excessively low or high input voltage. The limit switches are freely adjustable in position and protected from high current. Therefore, the contacts of the limit switches are not liable to damage and the lifetime of the limit switches is prolonged. The control device further has electronic brake effect.

REFERENCES:
patent: 2003/0030954 (2003-02-01), Bax et al.

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