JPH01294181A - Rescue operation device for elevator - Google Patents

Abstract

PURPOSE:To prevent the erroneous operation of an intra-cage rescue operation device during the normal operation by allowing an electronic lock on the cover of the intra-cage rescue operation device to be unlocked only when an elevator fails in the rescue operation device of the elevator in which a passenger is confined. CONSTITUTION:When an elevator control device 2 fails, a failure detecting device 3 detects it and stops an elevator in emergency. At the same time, a failure is reported to a maintenance company 9 via transmitting and receiving devices 4 and 10. When an emergency call button 13 is pushed by a passenger, an unlocking device 14 feeds the failure detection signal from the failure detecting device 3 and the signal from the emergency call signal 13 to an AND gate to obtain the logical product, and an electronic unlocking signal is generated. This signal is fed to an electronic lock 12 to unlock the electronic lock 12, an intra-cage rescue operation device 6 can be operated. An attendant or the like of the maintenance company 9 communicates with the passenger in the cage 5 with a telephone 11 and a communication device 7 and rescues the passenger by asking the passenger to operate the intra-cage rescue operation device.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an elevator rescue operation device for rescuing passengers who are trapped in a malfunctioning elevator.

[Prior art] As a conventional example of this type of technology, for example,
An example of this is an elevator rescue operation device using a notification device disclosed in Japanese Patent No. 3337.

FIG. 3 is a block diagram showing a conventional elevator rescue operation device.

In the figure, (1) is a building, (2) is an elevator control device for the elevator installed in the building (1), (3) is a failure detection device for the elevator control device (2), and (4) is a failure detection device for the elevator control device (2).
is the transmitting/receiving device on the building (1) side, (10) is the transmitting/receiving device on the maintenance company side, (5) is the elevator car, (6)
In-cage rescue operation device, (7) is a communication device, (8) is a telephone line, (9) is a maintenance company, and (11) is a telephone set.

Next, the operation of the conventional elevator rescue operation device configured as described above will be explained.

When the elevator control device (2) malfunctions, the failure detection device (3) detects it and makes an emergency stop of the elevator, and at the same time sends a message to the maintenance company (9 ) will be notified of the failure. The maintenance company staff are
While communicating with passengers in the elevator car (5) using the telephone (11) and communication device (7), use the in-car rescue operation equipment@
Rescue the passenger by having the passenger operate (6).

[Problems to be Solved by the Invention] The conventional elevator rescue operation device is configured as described above, and when the elevator control device (2) breaks down, it is difficult to perform special operations based on instructions from an attendant or the like. Since this is a special operation for emergencies, if a passenger operates the elevator erroneously or intentionally without instructions from an attendant during normal operation, the normal operation of the elevator will be disrupted.

Therefore, the present invention provides that a failure is detected within the car, and
It is an object of the present invention to provide a rescue operation device for an elevator that can be operated inside the car only when a passenger is trapped inside the car.

[Means for Solving the Problems] An elevator rescue operation device according to the present invention includes a failure detection device (3) that detects a failure of an elevator control device (2).
) detects a failure in the elevator control device (2),
When a passenger presses the emergency call button (13) installed inside the car and performs a rescue operation using the in-car rescue operation device (6), an electronic lock ( 12), and an unlocking device (
14).

[Function] In this invention, the electronic lock (12) locks the cover of the in-car rescue operation device (6) during normal operation of the elevator, so that the passenger cannot turn on the in-car rescue operation device (6). No accidental or intentional operation. This electronic lock (12) is unlocked only when the unlocking device (14) operates during rescue operation.

[Example] The present invention will be explained in detail below.

FIG. 1 is a block diagram showing an elevator rescue operation device according to an embodiment of the present invention, and FIG. 2 is a detailed block diagram of the unlocking device (14) in FIG. 1.

In Figure 1, (1) is a building, and (2) is the building (1).
) is a known elevator control device for an elevator installed in (3) is a failure detection device for the elevator control device (2);
(4) is the transmitting/receiving device on the building (1) side, (10) is the transmitting/receiving device on the maintenance company (9) side, (5) is the elevator car, (6) is the car rescue operation device, and (7) is the above-mentioned A communication device installed in the elevator car, (8) is a building (1)
) and the maintenance company, (9) is the maintenance company, and (11) is the telephone set. Further, (12) is an electronic lock that is locked and unlocked by electrical control to lock the cover (not shown) of the rescue operation device (6), and (13) is an electronic lock that is installed in the elevator car (5) and transmits and receives data. an emergency call button (14) that notifies the failure of the elevator connected to the device (4) and activates the communication device (7); (14) is the electronic lock (12);
This is an unlocking device that unlocks the door.

In addition, in Fig. 2, (3a) is the failure detection device (3).
The fault detection signal generated when detecting a fault, (13
a> is an emergency call button signal generated when the emergency call button (13) is pressed, (15) is an AND gate, (14a>
is an electronic lock unlocking signal, and the unlocking device (14) supplies the failure detection signal (3a) and the emergency call button signal @ (13a) to the AND gate (15), performs a logical product, and outputs the electronic lock. It generates a lock/unlock signal (14a>), and its function corresponds to an AND gate (15).

Next, the operation of the elevator rescue operation device of this embodiment will be explained.

When the elevator control device (2) malfunctions, the malfunction detection device (3) detects it and brings the elevator to an emergency stop.

At the same time, the maintenance company 9 is notified of the failure via the transmitting/receiving device (4). Additionally, when the emergency call button (13) is pressed by a passenger in the car to notify them of an elevator malfunction, the presence of a passenger in the car is confirmed by pressing this emergency call button (13). , according to the block diagram of FIG.
) failure detection signal (3a) and emergency call button (13)
The emergency call button signal (13a) from
4a). This electronic lock unlocking signal (14a) is supplied to the electronic lock (12), the electronic lock (12) is unlocked, and the car rescue operation device (6) becomes operable. Based on the signal from the failure detection device (3) or the emergency call button (13), the staff member, etc. communicates with the passengers in the car using the telephone (11) and communication device (7), and activates the in-car rescue operation device (6). By having passengers operate the
Rescue the passengers.

In this way, the car rescue operation device (6) cannot be operated by passengers because the cover of the car rescue operation device (6) is locked with the electronic lock (12) during normal operation of the elevator. . Therefore, erroneous operations can also be prevented.

In the above embodiment, an employee of the maintenance company (9), etc., communicates with passengers in the car based on the signal from the failure detection device (3) or the emergency call button (13), the telephone (11), and the communication device (
7), we asked passengers to operate the in-car rescue operation device (6) while interacting with each other, but instead of this configuration, we installed an in-car rescue operation device near the in-car rescue operation device (6) (
6) A note regarding the operation, that is, when the electronic lock (12) unlocks the cover of the car rescue operation device (6), the cover can be opened and the car rescue operation device (6) can be operated. , and a note regarding the specific operating method of the in-cage rescue operation device (6) may also be provided. In this way, even when the maintenance company (9) staff is absent, the passenger can operate the in-car rescue operation device (6). Further, in this case, a display device may be provided to indicate the unlocked state of the electronic lock (12).

[Effects of the Invention] As described above, according to the elevator rescue operation device of the present invention, the cover of the car rescue operation device is locked during normal operation, and when the elevator malfunctions, the failure is detected. In order for a passenger in the car to report an elevator malfunction, the electronic lock on the cover of the in-car rescue operation device is unlocked when the emergency call button is operated, so that the passenger can The in-car rescue operation device can only be operated inside the car when the passenger is trapped in the car without accidentally or intentionally operating the in-car rescue operation device. Safety can be increased.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an elevator rescue operation device according to an embodiment of the present invention, FIG. 2 is a detailed block diagram of the unlocking device portion of FIG. 1, and FIG. 3 is a conventional elevator rescue operation device. FIG. In the figure, 2: elevator control device, 3: failure detection device, 5: elevator car, 12: electronic lock, 6: car rescue operation device, 13: emergency call button, 14: unlocking device. In the figures, the same reference numerals and the same symbols indicate the same or equivalent parts. Agent: Patent attorney Masuo Omiya and 2 others: Elevator car

Claims (1)

[Claims] An elevator control device, a failure detection device that detects a failure of the elevator control device, an emergency call button installed in the car, an in-car rescue operation device that performs a rescue operation in the car, and an in-car rescue operation device. an electronic lock for locking a cover of the elevator, and an unlocking device for unlocking the electronic lock to which an output signal of the failure detection device and an output signal of the emergency call button are supplied. Driving device.