Elevator remote monitoring apparatus
First Claim
1. A remote monitor for elevator comprising:
- an auxiliary power which supplies operating power instead of a main power when the main power fails;
an interphone battery for an interphone, provided in an elevator carriage;
a transmitting unit which monitors the running state of the elevator and transmits the running state to a monitoring center of an elevator maintenance agency via a public telephone line network;
a communication unit which allows communication between said interphone and said monitoring center by switching ON an emergency call button, provided in said elevator carriage;
a first switching unit which cuts off said auxiliary power when there has been no irregularity in the monitoring information of the elevator after the operating power has been supplied for a fixed period of time from said auxiliary power instead of said main power when said main power fails; and
a second switching unit which is driven by power from said interphone battery, and re-injects said auxiliary power when said emergency call button has been pressed.
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Accused Products
Abstract
A remote monitoring system for elevator has a plurality of remote monitors for individually monitoring the running states of a plurality of elevators installed in a building, transmits running state data from the remote monitoring system via a communal public telephone line to a communal monitoring center, and allows communication between interphones, provided in the carriages of the elevators, and the monitoring center via the public telephone line. Each of the plurality of remote monitors comprises a memory unit which stores incoming time data of different incoming times, the remote monitor performing incoming controls after independently determining call signals from the monitoring center, based on the incoming time data stored in the memory unit. Furthermore, a first switching unit cuts off the auxiliary power when there has been no irregularity in the monitoring information of the elevator after the operating power has been supplied for a fixed period of time from an auxiliary power instead of the main power when the main power fails; and a second switching unit is driven by power from an interphone battery, and re-injects the auxiliary power when an emergency call button has been pressed.
42 Citations
21 Claims
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1. A remote monitor for elevator comprising:
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an auxiliary power which supplies operating power instead of a main power when the main power fails; an interphone battery for an interphone, provided in an elevator carriage; a transmitting unit which monitors the running state of the elevator and transmits the running state to a monitoring center of an elevator maintenance agency via a public telephone line network; a communication unit which allows communication between said interphone and said monitoring center by switching ON an emergency call button, provided in said elevator carriage; a first switching unit which cuts off said auxiliary power when there has been no irregularity in the monitoring information of the elevator after the operating power has been supplied for a fixed period of time from said auxiliary power instead of said main power when said main power fails; and a second switching unit which is driven by power from said interphone battery, and re-injects said auxiliary power when said emergency call button has been pressed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A remote monitor for elevator comprising:
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an auxiliary power which supplies operating power instead of a main power when the main power fails; an interphone battery for an interphone, provided in an elevator carriage; a transmitting unit which monitors the running state of the elevator and transmits the running state to a monitoring center of an elevator maintenance agency via a public telephone line network; a communication unit which allows communication between said interphone and said monitoring center by switching ON an emergency call button, provided in said elevator carriage; a first switching unit which cuts off said auxiliary power when there has been no irregularity in the monitoring information of the elevator after the operating power has been supplied for a fixed period of time from said auxiliary battery instead of said main power when said main power fails; and a second switching unit which switches the operating power of said interphone from said interphone battery to said auxiliary power when a voltage drop of said interphone battery has been detected. - View Dependent Claims (10, 11)
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12. A remote monitoring system for elevator having a plurality of remote monitors for individually monitoring the running states of a plurality of elevators installed in a building, the remote monitoring system transmitting running state data from said remote monitoring system via a communal public telephone line to a communal monitoring center, and allowing communication between interphones, provided in the carriages of the elevators, and said monitoring center via said public telephone line, wherein
each of said plurality of remote monitors comprises a memory unit which stores incoming time data of different incoming times, the remote monitor performing incoming controls after independently determining call signals from said monitoring center, based on the incoming time data stored in said memory unit.
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18. A remote monitoring system for elevator having a plurality of remote monitors for individually monitoring the running states of a plurality of elevators installed in a building, the remote monitoring system transmitting running state data from said remote monitoring system via a communal public telephone line to a communal monitoring center, and allowing communication between interphones, provided in the carriages of the elevators, and said monitoring center via said public telephone line, wherein
each of said remote monitors comprises a caller number display unit which detects and displays a caller telephone number from said monitoring center, a different telephone number being set for each of a plurality of monitors provided in said monitoring center, and a monitor which can call a specific remote monitor being allocated beforehand, thereby enabling the remote monitors to perform incoming control after determining the caller telephone number displayed in said caller number display unit.
Specification