JPH0540054Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention relates to an elevator notification device, and in particular,
The present invention relates to a device suitable for checking unnecessary reporting operations.

[Conventional technology]

It is well known that the elevator reporting device is designed to call the communication device in the control center by operating a call button installed inside the car, allowing communication between the car and the control center. It is.

Usually, this notification device is used when a passenger requests rescue or informs the management office when an abnormal situation occurs in the elevator. However, the call button is exposed on the operation panel so that anyone can operate it, just like the car destination registration button, so in elevators installed in high-rise residences, it can be easily operated by children. It is known that this notification device is activated. Based on many years of experience, the method of operating the call button is also known as the so-called "chion push", which requires only 1 push.
It is known that the press was pressed for less than a second.

Therefore, in view of this situation, we decided to
As disclosed in Publication No. 110549, if the call button is not pressed for a predetermined time, that is, longer than the above-mentioned time, or is not pressed a predetermined number of times within a predetermined time (a certain short period of time), the notification device will be activated. Devices that are prevented from being activated have been put into practical use.

[Problem that the invention attempts to solve]

However, even with the above-mentioned conventional technology, it is difficult to reliably prevent alarms caused by mischief, and once a report is received, even if the report is caused by a mischief, the receiving side cannot do anything. Every time something happens, we have to go to the scene to check the situation. The reason for this is thought to be that the operator of the alarm device was a sick person who collapsed on the spot after operating the alarm and was unable to speak; Therefore, if the notification device is activated and there is no response to the call from the management office, it may actually be determined that the operation of the notification device is a prank. This is because the problem arises that passengers seeking rescue may remain unable to be rescued for a long time.

Therefore, the present invention was developed in view of the above-mentioned circumstances, and its purpose is to provide an elevator that can reliably identify whether the operation of the notification device is due to a prank or a request for rescue. To provide a reporting device.

[Means for solving problems]

In order to achieve the above purpose, the features of the present invention are as follows:
The elevator notification device, which is equipped with a microphone and a speaker in each car and control center to enable mutual communication, determines whether there are passengers in the car and emits different audible sounds accordingly. The vehicle is equipped with a broadcasting means for emitting sound, and configured so that the sound emitted from the broadcasting means can be collected by a microphone provided in the car.

[Effect]

Since the present invention has the above-mentioned configuration, each audio frequency sound emitted by the broadcasting means is collected by a microphone installed in the car and can be heard at the management center. By listening to the type of audible sound, the control center can easily identify whether the alarm from the reporting device is a prank or a request for rescue, and can reliably avoid unnecessary dispatch. .

〔Example〕

Hereinafter, the present invention will be explained based on the drawings.

FIG. 1 is a schematic avoidance configuration diagram of an elevator notification device showing an embodiment of the present invention.

In FIG. 1, reference numerals 1 and 5 are microphones and speakers built into a communication device main body (not shown) provided in the passenger car, and 2 and 6 are microphones and speakers installed in a communication device main body (not shown) provided in the management center. A microphone and a speaker 4 respectively incorporated in the car are provided to enable the communication device to communicate from the car to the car management center and to inform the management center that the communication device has been operated. A call button 8 rings a call bell 7, which is connected to contacts 8a ₁ and 8a ₂ when the handset is removed from the communication device, depending on the set state of the handset (not shown) provided in the management office communication device. 10 is a detector for detecting a passenger in the car; 11 is a detector 10 for detecting a passenger; 11a and 11b are respectively normally open and normally closed contacts, and 12 is a first oscillation signal for emitting a first oscillation signal of high frequency, for example, 1000 Hz, as shown in FIG. 2a. 13 is a low frequency oscillator shown in FIG. 2b, e.g.
3 is a second oscillation device that emits a second oscillation signal of 100Hz, and 3 is a normally open contact 1 that transmits the first and second oscillation signals.
1a and a normally closed contact 11b.

Now, when the passenger presses the call button 4, the call bell 7 rings via the normally closed contact 8b of the switch 8, as is well known, and the management office learns that the above communication device has been activated in the car. Pick up the receiver and call out to the passengers in the car. At this time, since the detector 10 is detecting the passenger,
Passenger detection relay 11 is energized and its normally open contact 1
1a is closed, the first oscillation signal of the first oscillation device 12 is emitted from the speaker 3 via the normally open contact 11a, and the first oscillation signal emitted from the speaker 3 The signal sound is collected by the microphone 1 and emitted from the speaker 6 of the handset via the normally open contact _8a2 . Further, a voice calling from the management center is emitted from the speaker 5 by the microphone 2 via the normally open contact _8a1 . When a passenger in the car responds to the call from the management center, the response voice is emitted from the speaker 6 via the microphone 1 and the normally open contact _8a2 . The sound emitted from the speaker 6 at this time is a mixture of the passenger's voice and the first oscillation signal sound emitted from the first oscillation device. If the passenger remains silent in response to the call from the management office, the detector 10 is in the state of detecting the passenger, so the passenger detection relay remains energized and the speaker 6 broadcasts the first oscillation signal sound emitted from the first oscillation device 12, so that the management office can detect that any abnormality has occurred in the car. For this reason,
If a passenger is deaf or mute, or if a passenger suddenly falls ill and is unable to speak, we know there is a passenger in the car, so we are dispatched to the scene to quickly remove such a passenger. can be rescued.

Next, when a child or the like presses the call button 4 as a prank and gets out of the car, the sound broadcast from the speaker 6 depends on the timing of picking up the receiver, but in the first state, That is, when the call bell 7 rings and you immediately pick up the telephone receiver, the detector 10 has detected a passenger at this point, so the passenger detection relay 11 is energized and its normally open state. The first oscillation signal sound transmitted from the first oscillation device 12 via the contact 11a is broadcast, and when the passenger gets off the car, the detector 10 detects that there is no passenger and activates the passenger detection relay. 11 is deenergized, the normally closed contact 11b switches to the second oscillation signal sound transmitted from the second oscillation device 13, and the second oscillation signal sound is broadcast from the speaker 6. As a result, when the communication device is operated, the management center can determine that the operation of the communication device is a prank, and in such cases, it is determined that there is no need to be dispatched to the scene, and unnecessary dispatch is performed. can be avoided.

Next, if you are late in picking up the handset, the passenger has already left the car, so
The detector 10 is not detecting a passenger, the passenger detection relay 11 is deenergized, and the second oscillation signal sound is emitted from the second oscillation device 13 via its normally closed contact 11b. is broadcast from the speaker 6, and the management office can determine that the operation of the communication device is a prank, and as described above, unnecessary dispatch can be avoided.

[Effect of idea]

As explained above, according to the present invention, when an elevator reporting device is operated, by listening to the frequency sound broadcasted from the speakers in the control center, the operator can determine whether the operation of the reporting device is a prank or call for rescue. Since it is possible to identify whether the elevator is in use or not, it is possible to realize an elevator notification device that can avoid unnecessary dispatch and greatly reduce maintenance costs.

[Brief explanation of the drawing]

FIG. 1 is a schematic circuit diagram of an elevator notification device according to an embodiment of the present invention, and FIGS. 2a and 2b are waveform diagrams showing each signal waveform. 1, 2...Microphone, 3,5,6...Speaker, 4...Call button, 7...Call bell, 8...
...Hook switch, 10...Detector, 11...Passenger detection relay, 12...First oscillator, 13...
...Second oscillation device.

Claims (1)

[Scope of utility model registration request] In an elevator notification device, which is installed in the car and the management center and has a microphone and a speaker so that they can talk to each other, it is possible to determine whether there are passengers in the car and to transmit different audible frequencies depending on the situation. Equipped with a broadcasting means that emits the sound of waves,
A notification device for an elevator, characterized in that the sound emitted from the broadcasting means is configured to be collected by a microphone provided in the car.