DIGITAL ELECTRONIC DOOR LOCK COMPRISING VARIOUS FUNCTIONS WITH LOW POWER CONSUMPTION

摘要

PURPOSE: A digital electronic door lock is provided which comprises various functions with low power consumption. CONSTITUTION: A power supply part supplies source power to an electric motor and an electronic circuit part including a micro processor and a sound generation part. A button operation part inputs password of a key. A switching unit selects to use a remote controller to save power consumption of an electronic door lock. An LED supplies illumination to the button operation part. A memory part stores data like password related to the electronic door lock. An electronic controller has a micom controlling to lock/unlock a door lock. A voice data memory part stores various voice messages, and a voice message output unit outputs voice messages stored in the memory according to the door state. A tail spindle enables locking and unlocking by a rotation force of a geared motor(60) in an automatic mode, and enables the operation without giving load to the geared motor in a manual mode. A micro limit switch senses whether a group of gears are placed in their home positions. And a lead switch(19) senses whether a dead bolt is placed in its home position.