JPS5917017B2 - Elevator emergency notification device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to an emergency notification device for an elevator, and particularly to a notification device from inside a car to the outside.

[Prior art] Conventionally, an intercom has been used as a notification device between an elevator car and the outside, and a handset is installed inside the car and a base unit is installed in the control room. It was just for making phone calls.

By the way, recently, elevators are often installed in medium and high-rise residences and small buildings. There is a tendency for an increasing number of such houses or buildings to have no resident manager or to entrust the management of elevators to representatives of the residents. If an elevator in such a place breaks down, there is a risk that the manager will be absent or unaware, and the passengers will be trapped inside the car and unable to communicate with the outside world. On the other hand, the following methods are known with the aim of unmanned elevator management.

(1) Method of directly reporting to the elevator service company using automatic dialing from inside the car.

(2) A method of detecting elevator failure and automatically reporting the details of the failure to an elevator service company.

However, these methods always require dispatch from a distant service company, resulting in delays in rescuing passengers, etc.
There are problems such as giving a great sense of anxiety. In addition, (1)
Method (2) has disadvantages such as having to be dispatched every time a passenger misbehaves or the like, and method (2) further increases the sense of anxiety among passengers since it is not possible to make a telephone call. Therefore, we recently installed a switch to switch between the intercom in the manager's room and the phone number to the service company. Normally, the manager answers calls from passengers, but when the manager is absent, the switch can be turned on and off. A method is being considered in which the information can be directly sent to the service company from inside the passenger car by inserting the information into the service company's phone.

However, this method requires the operation of a changeover switch and requires the presence of a manager. This does not necessarily mean that the manager will be able to operate the system reliably in his or her absence, and there is a concern that the manager may be absent or unaware of the situation, especially when the changeover switch is turned on by the manager. [Object of the Invention] The object of the present invention is to encourage the manager to quickly process calls from passengers in the car, and to ensure communication with outside parties even if the manager is absent or unaware. The purpose of the present invention is to provide an elevator emergency notification device that can

Furthermore, it is an object of the present invention to provide a reporting device capable of restoring a telephone line to normal operation in the event of confusion or mischief by passengers in the car.

[Summary of the invention]

A feature of the present invention is that, in addition to a dedicated communication device such as an intercom that connects the inside of the car and the management center, a specific telephone set subscribed to the central office that is connected through a telephone line is provided, so that calls can be made from inside the car. On the condition that the communication device at the management center does not respond, the above-mentioned fixed telephone is called by automatic dialing means, and the in-car communication device is configured to be able to make a call to the specified telephone via the telephone line. .

Furthermore, by making it possible to open the central office line from the passenger car side from a specific telephone connected through the telephone line, the telephone line can be protected against disconnection of the transmitter/receiver of the in-car communication device or mischief. The point is to be able to return to normal. [Embodiment of the Invention] Hereinafter, the present invention will be explained in detail according to an embodiment shown in the drawings.

FIG. 1 shows a block diagram of the elevator emergency notification system of the present invention, where 1, 1, and 2 are telephones, 11 is inside the elevator car, 12 is a control room, and 13 is an automatic system installed in the control room. Notification device, 14 is the switchboard of the Telegraph and Telephone Public Corporation, 1
Reference numeral 5 indicates a specific subscriber, 16 a notification receiving device installed within the specific subscriber, and 17 a central office line.

The automatic notification device 13 provides calls within the elevator car and elevator f). an extension circuit 1 for controlling the lines from 1 to black n; a timer circuit 2 for monitoring the response time of the telephone set 1;
A control circuit 3 that connects and controls the extension circuit 1 and the office line circuit 5, a receiving circuit 4 that receives a recovery signal, an office line circuit 5 that monitors incoming calls on the office line, usage status of the telephone equipment 2, etc., and sends out dial pulses. It is composed of an auto dial circuit 6. The notification receiving device 16 is composed of a signal circuit 8 that sends out a signal at the end of a telephone call, and a signal control circuit 7 that controls the sending of the signal. Next, the basic operation shown in FIG. 1 will be explained.

When the handset of the telephone set 11 in the elevator car is raised, the extension circuit 1 calls the telephone set 1 in the control room 12.

If you answer from phone number 1, you will be immediately transferred to elevator car 1.
You can talk to 1.

If there is no response for a certain period of time due to no one in the control room, etc., the timer circuit 2 connects the station line circuit 5 to the station line 1 through the torpedo circuit 3.
Confirm that 7 is empty and capture it. When the central office line 17 is captured, the auto dial 6 sends out the dial number of the specific subscriber 15, and the telephone in the elevator car 11 is connected to one extension circuit 1, 1 one central line circuit 5 one central line 17 and one central office line of the Telephone and Telecommunications Corporation exchange. A telephone conversation between the elevator car 11 and the specific subscriber 15 is established through the path 17 - signal control circuit 7 - telephone equipment of the specific subscriber 15 . When the call ends, by returning the handset of each telephone device, the station line circuit 5 and the signal line 5 are connected to each other. The office line 17 connected to the circuit 7 is opened. At this time, even if the handset of the telephone set 11 in the elevator car is disconnected, a signal is sent from the signal circuit 8, and the signal circuit 8 - signal control circuit 7 - station line 17 - Telephone and Telephone Public Corporation exchange 14 - station line 1
7. The station line 17 of the station line circuit 5 is opened by the station line circuit 5, the receiving circuit 4, and the control circuit 3. As described above, in this embodiment, the control room is first called from inside the elevator car, and if there is no response, the elevator service company is automatically called, thereby first securing a call to the outside. There is.

Next, an example of a specific configuration of the automatic notification device 13 and the notification receiving device 16 will be explained using FIGS. 2 and 3.

First, the automatic notification device 13 shown in FIG. 2 will be explained.

11...Nl, l2...N2, l, 2
, Ll, L2, L,', L2' are external line terminals connected to each telephone and the office line.

A1...An, Bl...Bn, B, D
, LA, LB, R, RA, F, T, DS, DI, RST
l is a relay and has contacts corresponding to relay signals such as al...An, lbn, etc. TIMI, TIM2 are timers, REC is a receiving circuit, D1...Dn, Z
Dl, ZD2 are diodes, ZDO is a bridge rectifier,
CO...C8 is a capacitor, RO is a resistor, TO
is a transformer, LLl...LLn is a lamp, BZ
is the buzzer and E is the power supply. Next, the notification receiving device 16 shown in FIG. 3 will be explained. HS is a switch linked to the telephone set, 1...4, L1, L2 are external line terminals, A, B are relays, 1a, 1b, etc. are contacts corresponding to relay symbols, SEND is a signal circuit, CH is Chiyoke transformer, C1...C4 is a capacitor, R is a resistor,
D is a diode, BELL is a bell, and E is a power supply. Ru.
In addition to the above configuration, circuits not directly related to the present invention, such as a converter, are omitted in the figure. Next, specific operations in FIGS. 2 and 3 will be explained. (1) Calls between telephone equipment in the elevator car and telephone equipment 1 in the control room.

When the handset of the telephone in elevator car black 1 is raised, relay A1 operates, followed by relay B1 and then relay B.

The operation of relays B and Bl causes the buzzer BZ to sound and the lamp LLl to light up, notifying the user of the call from telephone 1. B
1...Bn is a first-come, first-served priority circuit. At this time, if telephone device 1 responds, relay D operates and contact 3d
The buzzer BZ stops, and the telephone of house 1 and telephone station 1 are
You can talk to. When the call ends and both parties return their handsets, relays Al, Bl, B, and D are restored to normal conditions. (2) Automatically calls a specified subscriber from inside the elevator car when the control room is not present.

As mentioned before, when the handset of the telephone in elevator car FLl is raised, relays Al, Bl, and B operate, and the buzzer B is activated.
Z rings, but if there is no one in the control room and telephone device 1 does not respond, start timer TIMl by contact 2b,
After a certain period of time has elapsed, relay T operates.

(At this time, if the office line is incoming or in use, relays R and R
Due to the operation of A or relay LB, relay T does not operate and continues to call telephone set 1. ) When relay T operates, contacts 5t and 6t switch the office line from the telephone equipment 2 side to the elevator side communication circuit, and at the same time, contact 3t starts auto-dial ADL, and relays DI and DS send a dial pulse for a specific subscriber number. Sending out, central line 17
, the call is received by a specific subscriber via the Telephone and Telecommunications Public Corporation exchange 14. As shown in FIG. 3, when a specific subscriber receives an incoming call, the bell BELL rings, and when the receiver of the telephone is raised, the switch HS and relays A and B operate to accept the call. When the call ends and both parties return the handset, all relays are restored and the normal state returns.However, regardless of whether the handset on the elevator side is raised or lowered, the specific subscriber returns the handset on the telephone equipment and the next line is restored. It will be opened as follows. Notification receiving device 16 in Fig. 3
The switch HS and relay A are restored and the signal circuit S is restored.
A recovery signal (voice band frequency) is sent from END for a certain period of time, and relay B is restored. Relay B is capacitor C3
, the resistor R provides a slow recovery type. When a recovery signal is sent from the specific subscriber side, the automatic notification device 1 in Fig. 2
At step 3, the recovery signal is received by the receiving circuit REC and the relay F is operated. Relay F operates relay RST, and when relay T is restored, the office line is released. Relay RST contacts 4b and zrst continue to operate until the elevator telephone sets the handset back. In addition, the relay LA monitors the response of a specific subscriber, and if a response is received, the automatic notification device 1
Relay LA operates to change the polarity of station line 17 on the 3rd side.
If there is no response due to a busy situation, etc., there is no polarity change, so relay LA does not operate, and relay RST operates after a certain period of time according to timer TIM2 to open the central office line.
As described above, according to this embodiment, when a person is trapped in an elevator car, a telephone call can be made between the inside of the car and the control room, and if there is no response due to no one in the control room, the central office line is switched off. The system automatically connects to a specific subscriber and makes a call, so if there is no one in the control room, the trapped person can directly talk to the specific subscriber and take appropriate action. can. Moreover, mischief etc. can be detected immediately, and the specific subscriber side also has the advantage of being able to take appropriate action. Furthermore, even if a person who is trapped in a panic leaves the handset of the telephone in the elevator car unplugged when the call ends, if a signal circuit is installed on the specific subscriber side as in the above embodiment, the call will end. A recovery signal is automatically sent from the specified subscriber side, and the office line on the automatic notification device side is automatically opened to return to normal conditions, which also has the effect of preventing handsets from being removed. [Effects of the Invention] According to the present invention, it is possible for the manager to quickly respond to a call from a passenger in the car, and it is also possible to reliably secure a call to the outside, thereby improving the reliability of the reporting device. High,
This can reduce passenger anxiety.

Furthermore, the telephone line can be maintained in a normal state regardless of whether the telephone device inside the car is tampered with or the like.

[Brief explanation of the drawing]

FIG. 1 is an overall block diagram of an example of the elevator emergency notification system according to the present invention, FIG. 2 is a circuit diagram of a specific embodiment of the automatic notification device 13, and FIG. 3 is a specific embodiment of the notification receiving device 16. A circuit diagram is shown. 1... Extension circuit, 2... Timer circuit, 3... Control circuit, 4... Receiving circuit, 5... Office line circuit, 6...
・Auto dial circuit, 7...Signal control circuit, 8...
・Signal circuit, 11... Inside the elevator car, 12...
Management room, 13... Automatic notification device, 14... Telegraph and Telephone Public Corporation exchange, 15... Specific subscriber, 16... Notification receiving device.

Claims (1)

[Scope of Claims] 1. An elevator car that travels between multiple floors, an in-car communication device that is installed inside the car and makes calls to people outside the car, and In those equipped with a management center communication device connected to a communication device,
A specified telephone subscribed to the telephone bureau that makes a call through a telephone line and a specified telephone bureau subscribed to the telephone bureau shall be called, on the condition that the management office telephone device does not respond to calls from the in-car telephone device. An elevator emergency notification device comprising automatic dialing means and means for connecting the in-car communication device to the telephone line. 2. An elevator car that runs between multiple floors, an in-car communication device that is installed inside the car to make calls to people outside the car, and an in-car communication device that is installed in the elevator management office and connected to the above-mentioned in-car communication device. In those equipped with a management office communication device,
Specified telephones subscribed to the central office that make calls through telephone lines, and specified telephones subscribed to the central office through central telephone lines, provided that calls from the above-mentioned in-car communication device are not answered by the above-mentioned management office telephone device. means for connecting the in-car communication device to the telephone line; means disposed on the specific telephone side for generating an open signal for the automatically dialed office line; and the automatic dialing means. An elevator emergency notification device characterized by comprising: a means disposed on the side of the elevator for opening the station line in response to the opening signal.