Wireless automatic alarm rescue system for vertical elevator car
The invention discloses a wireless automatic alarm rescue system for a vertical elevator car. The wireless automatic alarm rescue system comprises a GSM elevator wireless talkback host, an interrupted power supply (UPS) special for wireless talkback, a power failure intermediate relay, an elevator m...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a wireless automatic alarm rescue system for a vertical elevator car. The wireless automatic alarm rescue system comprises a GSM elevator wireless talkback host, an interrupted power supply (UPS) special for wireless talkback, a power failure intermediate relay, an elevator microcomputer main control board, a breakdown intermediate relay, a car interphone and a monitoring center. When an elevator stops operating due to the external power failure, the UPS special for wireless talkback outputs a power failure signal to drive a coil of the power failure intermediate relay, the car interphone is activated through a set of normally open contacts of the coil so as to respond to the GSM elevator wireless talkback host to automatically dial a rescue call; and when the elevator breaks down and stops operating, the elevator microcomputer main control board outputs a breakdown signal to drive a coil of the breakdown intermediate relay, and the car interphone is activated through a set of normally |
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