JPH0480187A - Remote monitoring device for elevator - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an elevator remote monitoring device that transmits data on the operation status of an elevator obtained from an elevator control device, particularly in abnormal conditions, to an external monitoring center. It is.

[Conventional technology]

A conventional device, as described in Japanese Patent Application Laid-Open No. 58-167372, connects a data transmitter to an elevator-machine room.

A two-line data receiver terminal was installed in the manager's room, and wiring was simplified by using an intercom line installed in the elevator for data transmission. Here, data transmission is performed using serial code data, and the intercom uses a signal having a frequency in the voice band. Data transmission and intercom calls can be used alternately by switching the switch.

[Problem to be solved by the invention]

The above conventional technology does not take into consideration the fact that when a passenger is trapped in an elevator car, intercom calls and data transmission are performed at the same time, and ink-to-phone calls are always interrupted when transmitting data. There was a problem. Additionally, if a separate line was used for data transmission to ensure uninterrupted intercom calls, data transmission would be performed using square-wave digital signals, which would cause problems with crosstalk, and it would not be possible to wire them all together.

SUMMARY OF THE INVENTION An object of the present invention is to provide an elevator-remote monitoring device that allows data transmission without interruption of intercom calls and allows for simultaneous wiring.

[Means to solve the problem]

The present invention is characterized by providing elevator remote monitoring equipment in the machine room where elevator control equipment is installed;
Elevator - remote monitoring equipment and external monitoring center, elevator - in-car intercom, machine room intercom and manager's room intercom are each connected by telephone line.

[Effect]

Data is transmitted between the elevator - remote monitoring equipment and the monitoring center using frequency signals in the same voice band as intercom calls, so even if the cables for data transmission and cables for intercom calls are attached together, crosstalk will not occur. Elevator-remote monitoring data transmission and intercom calls can be carried out simultaneously without problems.

〔Example〕

Hereinafter, the present invention will be explained in detail with reference to an embodiment shown in FIGS. 1 and 2.

Incidentally, FIG. 1 shows the arrangement of the elevator, remote monitoring equipment, intercom, etc., and FIG. 2 shows the specific wiring connection situation.

In FIG. 1, an elevator-remote monitoring device (elevator-remote monitoring device) 14 is placed in an elevator-machine room 1 installed on the roof of a building, and an elevator-remote control device similarly installed in this machine room 1. Data is constantly transmitted with the panel (elevator control equipment) 11, and it is monitored whether or not an abnormality has occurred regarding the elevator control. In addition, an intercom base unit 12, which is required to be installed by law, is installed in the elevator machine room 1 in the 5th floor.
Intercom cable 16 via control panel terminal block 15,
17, 31, and 52, the elevator-remote monitoring device 14, and the intercom base unit 21 in the manager's room 2. Furthermore, although not shown, it is connected to an intercom handset in the elevator car. There is an intercom main unit 21 in the manager's room 2.
In addition to this, a public telephone 23 is placed.

In addition to the above-mentioned intercom cable 31, a telephone line cable 32 and a common telephone cable 33 are installed between the elevator machine room 1 and the manager's room 2. The installation of telephone lines by general public telecommunications carriers is called MDF (Main Disk), which is the demarcation point between the responsibilities of telecommunications carriers and subscribers.
(tributing Frame) Up to 22, so
A telephone line cable 32 is then laid between the telephone line rosette 24 in the manager's room 2 and the elevator control panel terminal block 15 in the elevator machine room 1 in order to bring the telephone line to the elevator remote monitoring device 14. be done. Note that the rosette 24 is a connecting device that allows a telephone or the like to be connected to a telephone line. A telephone line cable 26. is connected between the MDF 22 and the telephone line rosette 24. The elevator control panel terminal block 15 and the elevator-remote monitoring group [14] are each connected by a telephone line cable 18. In addition, the shared telephone cable 33 connects the elevator to the remote monitoring device 14.
When the telephone line is not occupied, the public telephone 23 in the manager's room 2 can be used, and the elevator remote monitoring device 14 and the telephone in the manager's room 2, that is, the common telephone 23, are connected to the telephone line. It is installed between the elevator control panel terminal block 15 and the common telephone rosette 25 so that the terminal block 15 can be shared. A common telephone cable 1 is connected between the elevator control panel terminal block 15 and the elevator remote monitoring device 14.
9. The public telephone rosette 25 and the public telephone 23 are connected by a public telephone cable 27.

Normally, the elevator remote monitoring device 14 starts monitoring the elevator after the building is completed and the elevator starts operating. When the building is completed,
Since the elevator-remote monitoring device 14 is not installed, the telephone line cable 18, the shared telephone cable 19. Although the intercom cable 17 has not been laid, the telephone line cable 32 and the common telephone cable 33 are installed at once because the intercom cable 31 is laid in order to install an intercom which is required to be installed by law. Lay them all together.

The elevator control panel terminal block 15 is provided in the machine room 1 in order to pre-lay the telephone line cable 32 and the common telephone cable 33 before the elevator remote monitoring device 14 is installed. Line cables 32 and 18, shared telephone cables 33 and 19, intercom cable 16.1? .

31 and 52 are connected to each other.

The MDF22 is used to clarify the demarcation point that separates the scope of responsibility between the telecommunications carrier and the subscriber when bringing the telecommunications carrier's telephone line into the subscriber's premises, and its structure is different from that of a normal terminal block. It is equivalent. Telephone line rosette 24 Common telephone rosette 25 A rosette is a telephone line brought indoors, a telephone, and a fax machine.
It acts like an outlet installed on an indoor power line, allowing the connection of communication devices such as There may be a connector that can be inserted.

Next, the detailed wiring connection situation will be explained with reference to FIG.

The intercom cables 16, 17.31 are composed of five wires, and their signal names are 10, R2L, -, and C. These five lines connect the elevator to the remote monitoring device 1.
4. Elevator-control panel terminal block 15. Elevator-machine room 1 intercom base unit 16. An intercom base unit 21 in the manager's room 2 is connected. Further, from the elevator control panel terminal block 15, an intercom cable 52 is connected.
The elevator is connected to an in-car intercom handset 51.

Elevator - If a passenger is trapped in the car and the passenger presses the intercom call button, the
A call signal is transmitted through the line C in the book, and the intercom base unit 12. It becomes possible to talk to the person who picks up the handset first among the intercom base units 21 in the manager's room 2. When making a call, use intercom handset 5
The audio signal from 1 to intercom base unit 12 or 21 is L.
and - lines, intercom base unit 1
The audio signal from 2 or 21 to the intercom handset 51 is R
and transmitted through ten lines.

If the handsets of both the intercom base units 12 and 21 are not picked up for a certain period of time, the elevator-remote monitoring device 1
4's program detects this, automatically calls the monitoring center, and connects +, R, L, - of the intercom cable.
The four signals are Ll in the main circuit 41 in the elevator-remote monitoring group [114].

It is converted to two wires of L2, and is further connected to the public telephone switching relay 42.
is switched to the main circuit side, and intercom communication becomes possible between the intercom handset 51 and the monitoring center through the telephone line.

The elevator-remote monitoring device 14 normally does not transmit data to the monitoring center through the telephone line or make the above-mentioned intercom call, and the common telephone 23 is available for use, and the common telephone switching relay 42 Shared telephone side (
Tl, TZ side). The voice signal from the public telephone 23 passes from the public telephone rosette 25 through the public telephone cable 33 to T1. of the elevator control panel terminal block 15. T2
Leads to the terminal. Then, it passes through the shared telephone cable 19 and reaches the Tl and Tx terminals in the elevator-remote monitoring device 14.
Furthermore, LX is provided by the shared telephone switching relay 42.

Output to L2 terminal. From there, a telephone line cable 18.32 leads to the telephone line rosette 24 via the elevator control board terminal block 15, and the voice signal is output onto the telephone line. Also, the voice of the other party reaches the public telephone 25 through the completely opposite route.

When the elevator-remote monitoring device 14 transmits data to an external location such as a monitoring center, a shared telephone switching relay 42 is used.
switches to the main circuit side. The data signal generated in the main circuit 41 is output from the Lx and Lz terminals from the elevator-remote monitoring device 14 to the telephone line cable 18, reaches the elevator-control panel terminal block 15, and is further output to the telephone line via the telephone line cable 32. It reaches the line rosette and is output on the telephone line. The data signal transmitted from the other party follows a completely opposite route and is taken into the main circuit 41 of the elevator-remote monitoring device 14.

Intercom cable 31. By wiring the telephone line cable 32 and the common telephone cable 33 all at once, there is a concern about the problem of crosstalk. When an intercom call is made between the elevator-car intercom handset 51 and the monitoring center as described above, signals are transmitted to the intercom cable 31 and the telephone line cable 32 at the same time. Further, when a call is made using the public telephone 23, signals are simultaneously transmitted to the telephone line cable 32 and the public telephone cable 33. or,
When data transmission between the elevator-remote monitoring device 14 and the monitoring center and a call between the elevator-inner terminal 51 and the intercom base unit 21 in the manager's room 2 are performed at the same time, the intercom cable 31 and Signals are simultaneously transmitted on telephone line cable 32. However, intercom cable 31. Shared telephone cable 33. The signal transmitted over the telephone line cable 32 during an intercom call is a voice signal, and the signal transmitted over the telephone line cable 32 during data transmission is also a data transmission using a voice band frequency signal, so there is no crosstalk. No problems arise. If the telephone line is connected to the manager's room 2 and the elevator-remote monitoring device 14 is installed in the manager's room 2, the elevator-remote monitoring device 14 is connected from the elevator control panel 11 to the elevator-remote monitoring device 14.
The cable for data transmission to the elevator had a problem with crosstalk because it transmitted digital signals, so it could not be wired together with other cables, but the cable was connected to the elevator control panel terminal block 1.
5 and install the elevator-remote monitoring device W14 in the elevator-machine room 1, the wiring can be integrated all at once.

In addition, by providing an elevator control panel terminal block 15, leading a telephone line to the elevator machine room 1, and installing an elevator remote monitoring device 14, when monitoring multiple elevators, each elevator control panel 11 is installed. The number of cables for data transmission from the elevator to the elevator remote monitoring device 14 is equal to the number of elevators, but each elevator control panel 11 is connected to the same elevator machine room 1.
It is usually located inside the circuit, and its wiring is very easy.

In addition, if a maintenance person enters the elevator machine room 1 during maintenance inspection, he or she can bring a telephone and connect it to Ll and Lz of the elevator control panel terminal block 15, and the maintenance person can contact the office or monitoring center to which the maintenance person belongs. This makes it possible to easily communicate the details of the malfunction and receive instructions on how to deal with the problem quickly and reliably.

Note that the shared telephone 23 is provided for the effective use of the telephone line cable 32, so if it is not necessary,
You can omit it.

〔Effect of the invention〕

As explained above, according to the present invention, intercom communication and data transmission from the elevator remote monitoring device to the monitoring center can be performed without causing crosstalk, and wiring can be performed all at once.

[Brief explanation of drawings]

FIG. 1 is a diagram showing an elevator-remote monitoring device according to an embodiment of the present invention, and FIG. 2 is a diagram showing a wiring connection state of the elevator-remote monitoring device of FIG.

Claims (1)

[Claims] 1. In an elevator remote monitoring device that transmits data generated by an elevator control device to the outside, the elevator remote monitoring device is installed in a machine room where the elevator control device is installed, and the elevator remote monitoring device and the outside, An elevator remote monitoring device characterized in that the intercoms in the elevator car, the machine room, and the manager's room are connected to each other by a telephone line that is attached to the elevator car. 2. The elevator remote monitoring device according to claim 1, wherein the intercoms in the machine room in the elevator car and in the manager's room are connected via a terminal block provided in the machine room. 3. The elevator remote monitoring device according to claim 1, wherein the telephone provided in the manager's room is connected to the outside via a telephone line that connects the elevator remote monitoring device to the outside. 4. The elevator remote monitoring device according to claim 1, wherein the elevator remote monitoring device is connected to a plurality of elevator control devices. 5. In elevator remote monitoring equipment that transmits data generated by elevator control equipment to the outside, data is transmitted between the elevator control equipment and the elevator remote monitoring equipment as serial code data, and the data is transmitted between the elevator remote monitoring equipment and the elevator remote monitoring equipment. The intercoms outside, inside the elevator car, in the machine room where elevator control equipment is installed, and in the manager's room are connected by telephone line cables that are attached to each unit, and the voice band signal frequency is transmitted between these devices via the telephone line cable. An elevator remote monitoring device characterized in that the transmission is performed in a machine room, and the elevator remote monitoring device is installed in a machine room.