Device for monitoring operation state of elevator

The utility model relates to a device for monitoring operation state of elevators, which exactly belongs to the technical field of matching products for small and medium size elevators and is composed of a control unit (1), a monitor (2) and a communication cable (3), wherein, the control unit 1 is...

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Bibliographic Details
Main Author LIANG MINXIN
Format Patent
LanguageEnglish
Published 05.03.1997
Edition6
Subjects
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
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Summary:The utility model relates to a device for monitoring operation state of elevators, which exactly belongs to the technical field of matching products for small and medium size elevators and is composed of a control unit (1), a monitor (2) and a communication cable (3), wherein, the control unit 1 is composed of a singlechip basic circuit, a photoelectric coupler 15, an input buffer 14, an output flip-latch 16, an output driver 17, a relay 18 and a communication interface circuit 7; the monitor 2 is composed of a singlechip basic circuit, a fragment code driver 31, a bit code driver 32, nixietubes 33 and 34, luminous diodes 35 and 36, an acoustics driver 22, a buzzer 21, an operation button 23 and a communication interface circuit 25. The utility model uses singlechip and computer communication techniques and has the advantages of high reliability and strong anti-interference ability.
Bibliography:Application Number: CN1995226844U