MOTOR DRIVING DEVICE FOR POWER WINDOW
PURPOSE:To provide a motor driving device which is difficult to be affected by the fluctuation of the power source voltage and the ambient temperature, and the noise, compact, lightweight and small in the number of part items by executing all operations of selecting the rotational direction of a mot...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To provide a motor driving device which is difficult to be affected by the fluctuation of the power source voltage and the ambient temperature, and the noise, compact, lightweight and small in the number of part items by executing all operations of selecting the rotational direction of a motor, switching the rotational direction and cancelling them by a switch. CONSTITUTION:When a window is closed, an up-side switch 6U is operated to switch the contact from the condition indicated by the solid line to the condition indicated by the dotted fine. This constitution forms the current circuit from the power source terminal 11 to the installation point through the contact of the up-side switch 6U, a DC motor 1, a contact of a down-side switch 6D, and a contact 4D of a down-side relay 3D to revolve the motor 1 forward. When the window is opened, the down-side switch 4D is operated to switch the contact from the condition indicated by the solid line to the condition indicated by the dotted line. This constitution forms the current circuit from the power source terminal 11 to the installation point through the contact of the down-side switch 4D, the DC motor 1, the contact of the up-side switch 4U, and the contact 4U of the up-side relay 3U to revolve the motor 1 in the reverse direction. |
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