JPH0344257A - Building management system - Google Patents

Abstract

PURPOSE:To quickly send a data from a terminal equipment to a central monitoring device at the reception of an urgent signal by arranging a normal telephone line and an urgent telephone line between the central monitoring device and a private branch exchange and selecting the urgent telephone line from the normal telephone line at the reception of an urgent signal. CONSTITUTION:A normal telephone line 8 and an urgent telephone line 7 are arranged between a central monitoring device 1 and a private branch exchange 9 and a changeover means 5 selecting the urgent telephone line from the normal telephone line 8 at the reception of an urgent signal is provided to the central monitoring device 1. In this case, the urgent signal caused on emergency is sent from terminal equipments 11-14 to the private branch exchange 9 and sent further to the central monitoring device 1 via the urgent telephone line 7. When the central monitoring device 1 receives the urgent signal, the changeover means 5 is operated to select the urgent telephone line 7 from the normal telephone line 8. Thus, the urgent signal detected by the terminal equipment is sent quickly to the central monitoring device 1.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention is applicable to monitoring and controlling equipment in buildings, as well as crime prevention and
The present invention relates to a building management system that performs disaster prevention monitoring, and particularly to a building management system that is suitable for using a private telephone exchange as a means for transmitting signal data such as monitoring and control.

[Conventional technology]

In a conventional building management system, as shown in FIG. and connect the private telephone exchange 9 to telephone lines 15 to 18.
It has been proposed that the terminal devices 11 to 4 are connected to a plurality of terminal devices 11-14 via a
60NQ5J, (1986), pp. 10-14).

The operation of the building management system having the above configuration is shown in a flowchart as shown in FIG. In the figure, step 80
1 for transmission from the central monitoring device 1 or terminal devices 11 to 1
It is determined whether there is a transmission from 4 or not, and if there is a transmission, in step 802, a dial is made from the central monitoring device l to the terminal devices 11 to 14, or from the terminal devices 11 to 14 to the central monitoring device l. . And step 8
In ゜3, it is determined whether or not the telephone line is in use, and if it is not in use, data transmission processing is executed in step 804, and if it is in use, redialing is performed in step 805, and the process returns to step 802. .

Further, as shown in FIG. 9, a conventional building management system has a plurality of telephone lines 30 to 3 connected between the central monitoring device 1 and the local telephone exchange 9 according to the number of terminal devices 11 to 14.
3 are installed in parallel, and if one telephone line is in use, it has been proposed to sequentially switch to another unused telephone line (Japanese Unexamined Patent Publication No. 473952/1983).

The operation of the building management system having the above configuration is shown in a flowchart as shown in FIG. In the figure, step 9
At 01, transmission from the central monitoring device 1 or terminal device 11~
It is determined whether or not there is a transmission from 14, and if there is transmission, it is determined in step 902 whether or not the telephone line is in use. If not in use, step 903
, from the central monitoring device 1 to the terminal devices 11 to 14,
Alternatively, a dial is made from the terminal devices 11 to 14 to the central monitoring device 1, and data transmission processing is executed in step 904. Further, if the telephone line is in use in step 902, then in step 905, newly generated data is sequentially transmitted after the end of the data transmission/reception currently being transmitted.

[Problem to be solved by the invention]

However, in the conventional example shown in FIG. 7, there is only one telephone line between the central monitoring device and the private telephone exchange, so when multiple terminal devices make calls to the central monitoring device all at once, Only the terminal device that made the earliest call will be able to communicate with the central monitoring device, and other terminal devices will have to re-dial because they are busy. If the timing at which the device sends data to the central monitoring device overlaps, the central monitoring device and the terminal device will dial each other.
There is a problem that there is a possibility that communication cannot be established, and that it takes time for emergency signals to reach the central monitoring equipment.

In addition, in the conventional example shown in Fig. 9, the number of telephone lines between the central monitoring device and the private telephone exchange increases, which increases the cost of installing the telephone lines, and also increases the cost of installing telephone lines and controlling transmission and reception within the central monitoring device. The disadvantage is that the parts are complicated. Furthermore, private branch exchanges also have capacity limitations, making it impossible to increase the number of telephone lines.

An object of the present invention is to provide a building management system that can quickly transmit data from a terminal device to a central monitoring device when receiving an emergency signal, has a simple configuration, and is advantageous in terms of cost.

[Means to solve the problem]

To achieve the above object, the present invention provides a plurality of terminal devices and one central monitoring device connected via a private telephone exchange, and the central monitoring device receives status signals and emergency signals of equipment in the building. In a building management system that manages a building by receiving building monitoring signals from the terminal device and transmitting building monitoring signals to the terminal device, a normal telephone line and an emergency telephone line are connected between the central monitoring device and the private telephone exchange. The central monitoring device is provided with a telephone line and a switching means for switching the normal telephone line to an emergency telephone line when an emergency signal is received.

Further, in the present invention, a plurality of terminal devices and one central monitoring device are connected via a private telephone exchange, and the central monitoring device receives status signals and emergency signals of equipment in the building from the terminal device. At the same time, in the building management system that performs building management by transmitting building monitoring signals to the terminal device, between the central monitoring device and the private telephone exchange,
A normal telephone line for transmitting, a normal telephone line for receiving, and an emergency telephone line are respectively provided, and a switching means for switching the normal telephone line for transmitting to the emergency telephone line when an emergency signal is received is provided in the central monitoring device. It was established in

Furthermore, in the present invention, a plurality of terminal devices and one central monitoring device are connected via a private telephone exchange, and the central monitoring device receives status signals and emergency signals of equipment in the building from the terminal device. Along with that.

In a building management system that performs building management by transmitting building monitoring signals to the terminal device, a normal telephone line is provided between the central monitoring device and the private telephone exchange, and when an emergency signal is received, The private telephone exchange is provided with a switching means for switching a normal telephone line to an emergency telephone line.

Further, in the present invention, a plurality of terminal devices and one central monitoring device are connected via a private telephone exchange, and the central monitoring device receives status signals and emergency signals of equipment in the building from the terminal device. At the same time, in the building management system that performs building management by transmitting a building monitoring signal to the terminal device, between the central monitoring device and the plurality of terminal devices,
A dedicated emergency line is provided to send and receive emergency signals.

Further, in the present invention, a private telephone exchange to which a plurality of terminal devices are connected is installed in each building, and each private branch exchange in each building is connected to two central monitoring devices, and the central monitoring device In a building management system that manages each building by receiving status signals and emergency signals of equipment in each building from the terminal device and transmitting monitoring signals for each building to the terminal device, the central monitoring device A normal telephone line and an emergency telephone line are installed between the private telephone exchange in each building, and a switching means is provided to switch the normal telephone line to the emergency telephone line when an emergency signal is received. be.

[Effect]

According to the above configuration, an emergency signal generated in an emergency is transmitted from the terminal device to the private telephone exchange, and further transmitted to the central monitoring device via the emergency telephone line. When the central monitoring device receives the emergency signal, it activates the switching means to switch the normal telephone line to the emergency telephone line. The emergency data is then transmitted from the terminal device to the central monitoring device via the switched regular telephone line.

Also between the central monitoring equipment and the private telephone exchange.

If you install two regular phone lines and an emergency phone line, one for sending and one for receiving, when an emergency signal is sent to the central monitoring device via the emergency phone line, the central monitoring device will switch over. Activate the means to switch the normal telephone line for transmission to the emergency telephone line.

As a result, emergency data from the terminal devices is transmitted to the central monitoring device via two regular telephone lines.

Also, in particular, if the switching means is provided in the private telephone exchange, there is no need to provide an emergency telephone line between the central monitoring device and the private telephone exchange.

Furthermore, if an emergency dedicated line is provided between the central monitoring device and the terminal device, it is possible to immediately transmit an emergency signal to the central monitoring device via this emergency dedicated line.

Furthermore, if the present invention is applied to a building management system in which private telephone exchanges equipped with multiple terminal devices and installed in each building are controlled by one central monitoring device, emergency data generated in each building can be can be promptly transmitted to the central monitoring device.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. Note that the same parts as in the prior art are denoted by the same reference numerals.

FIG. 1 is an overall configuration diagram showing an embodiment of the building management system of the present invention. In the figure, the central monitoring bag M1 is composed of a transmission and reception information editing section 2 that edits transmission and reception data, an emergency signal reception section 3 that receives emergency signals, and a transmission and reception control section 4 that controls data transmission and reception. . The emergency signal receiving section 3 and the transmission/reception control section 4 each have an emergency telephone line 7.
and is connected to a private telephone exchange 9 via a regular telephone line 8. Further, within the transmission/reception control unit 4, a switching device 5 is provided as a switching means for switching the normal telephone line 8 to an emergency telephone line when an emergency signal is received.

A plurality of terminal devices 11-14 are installed in the building, and the terminal bags W11-14 are connected to the private branch exchange 9 via inter-telephone wA15-18, respectively.

Furthermore, the terminal devices 11 to 14 include sensors 19 to 25.
They are provided one or two at a time.

The central monitoring device 1 also has a C that displays the status inside the building.
The RT 26 is connected to a printer 27 that prints out the conditions inside the building.

Next, the operation of this embodiment will be explained.

FIG. 2 shows the flow when transmitting data at the terminal devices 11-14. In step 201, the terminal device 11
When detecting a change in the signal from the sensor 19, the terminal device 11 dials the central monitoring device 1 in step 202, and then in step 203 it is determined whether the normal telephone line 8 is in use. If the normal line 8 is not in use, data transmission processing is executed in step 204 and ends normally, but if the normal line 8 is in use.

In step 205, it is determined whether the signal from the sensor 19 is an emergency signal or a normal signal.1 If it is a normal signal, step 207
to dial again and return to step 203. If it is an emergency signal, a dial call is made to the emergency telephone line 7 in step 206, and furthermore, in step 204, emergency data transmission processing is performed.

FIG. 3 shows the flow of data transmission and reception processing in the central monitoring device I. Normal signals from the terminal devices 11 to 14 are normally sent from the telephone port I! 8 to the transmission/reception control section 4. Then, edited by the transmission/reception information editing section 2: CRT2
6 and printed by the printer 27. Further, as shown in FIG. 3, in step 301, if the emergency signal receiving unit 3 has not received an emergency signal from the terminal devices 111 to 14, the process goes to step 305, and data generation to the terminal devices 11 to 14 is performed. In step 301, the central monitoring device 1 makes a dial call to the terminal devices W911-14.
If an emergency signal is received from 14, the process goes to step 302, and the switching device 5 in the transmission/reception control section 4 is activated to temporarily stop dialing from the central monitoring device 1 to the terminal devices 11 to 4. In step 303, the terminal device 11
The suspension of dialing to 14 is set at a certain time. After a certain period of time has elapsed, in step 304, dialing from the central monitoring device 11 to the terminal devices 11 to 14 becomes possible.

Next, the operation when two or more emergency signals occur consecutively will be explained.

When the signals from the sensors 19 and 20 are emergency signals and these signals occur continuously, the terminal device 11:
By transmitting data continuously when the telephone line with the central monitoring device 1 is established, there is no need to dial again. This processing flow in the terminal device 11 is described in the fourth example.
As shown in the figure. In step 401, the terminal device 11 determines whether the signal from the sensor 19 or 20 is an emergency signal, and if it is an emergency signal, dials the central monitoring device 1 in step 402. 4
03, first, emergency data from one sensor is transmitted. When the transmission is completed, it is checked in step 404 whether there is another emergency signal, and if there is, the process returns to step 403 and transmits the emergency data from the other sensor.
If there is none, the telephone line is disconnected in step 405.

If such processing is performed, even if two or more emergency signals occur in one terminal device, all the emergency data can be transmitted with one dial call.

FIG. 5 shows another embodiment of the invention. In this embodiment, a transmitting section 41, a receiving section 42, and a switching device 43 are arranged in a transmitting/receiving control section 40, and a receiving section 42 and a private telephone exchange 9 are arranged.
A regular telephone line 8A for reception is provided between the switching device 43 and the private telephone exchange 9, and a regular telephone line 8B for transmission is provided between the switching device 43 and the private telephone exchange 9. The other configurations are similar to the embodiment shown in FIG.

According to the above configuration, in normal times, the central monitoring device 1 and the terminal devices 11 to 14 transmit data via the normal telephone line 8B for sending and the normal telephone line 8A for receiving, and when receiving an emergency signal, , the switching device 43 in the transmission/reception control section 40 is switched from the transmitting section 4 side to the receiving section 42 side, and dialing from the central monitoring device to the terminal devices 11 to 14 is temporarily stopped, and the normal telephone line 8B for transmission is switched. to be used as a receiving telephone line.

According to this embodiment, there are two regular telephone lines 8A.

Since 8B can be used as an emergency telephone line, it is possible to cope with the simultaneous occurrence of emergency dialing on different terminal devices 11 to 14.

FIG. 6 shows yet another embodiment of the invention.

In this embodiment, the transmission/reception information editing section 2, the transmission/reception control section 4, and the dedicated line transmission/reception section 45 are provided in the central monitoring bag Wll, and the emergency An emergency dedicated line 46 for transmitting and receiving signals is provided.

In this embodiment, emergency signals can be sent from the terminal devices 11 to 14 to the central monitoring device 1 via the emergency dedicated line 46 at any time.

〔Effect of the invention〕

As explained above, according to the present invention, emergency signals detected by terminal devices can be promptly transmitted to the central monitoring device, and signals generated in connection with emergency signals can also be used to temporarily increase emergency telephone lines. Since the data can be sent to the central monitoring device at an early stage, it is possible to construct a building management system with high responsiveness and safety.

[Brief explanation of drawings]

FIG. 1 is an overall configuration diagram showing one embodiment of the building management system of the present invention, FIGS. 2 to 4 are flowcharts showing the operational flow of the building management system of the present invention, and FIG. FIG. 6 is an overall configuration diagram showing still another embodiment of the present invention. FIG. 7 is an overall configuration diagram showing a conventional building management system. FIG. 8 is an overall configuration diagram showing a conventional building management system. FIG. 9 is a flowchart showing the operation flow of the management system; FIG. 9 is an overall configuration diagram showing another conventional building management system; FIG.
This figure is a flowchart showing the operation flow of the building management system of FIG. 9. 1... Central monitoring device, 2... Transmission/reception information editing department, 3
...Emergency signal reception unit, 4.40...Transmission and reception control unit,
5.43...Switching device, 7...Emergency telephone line, 8.
・・Normal telephone line, 9 ・Internal telephone exchange, 11-1
4...Terminal device, 15-18...Telephone line, 19-
25... Sensor, 45... Dedicated line transmission/reception unit, 46... Emergency dedicated line.

Claims (1)

[Claims] 1. A plurality of terminal devices and one central monitoring device are connected via a private telephone exchange, and the central monitoring device transmits status signals and emergency signals of equipment in the building to the terminal device. In a building management system that manages a building by receiving building monitoring signals from the terminal device and transmitting building monitoring signals to the terminal device, a normal telephone line and an emergency telephone line are arranged between the central monitoring device and the local telephone exchange. A building management system characterized in that the central monitoring device is provided with a switching means for switching the normal telephone line to an emergency telephone line when an emergency signal is received. 2. A plurality of terminal devices and one central monitoring device are connected via a private telephone exchange, and the central monitoring device receives status signals and emergency signals of equipment in the building from the terminal device, and In a building management system that manages a building by transmitting a monitoring signal to the terminal device, a normal telephone line for sending, a normal telephone line for receiving, and an emergency telephone line are connected between the central monitoring device and the private telephone exchange. 1. A building management system, wherein telephone lines are respectively arranged, and the central monitoring device is provided with a switching means for switching the normal telephone line for transmission to an emergency telephone line when an emergency signal is received. 3. A plurality of terminal devices and one central monitoring device are connected via a private telephone exchange, and the central monitoring device receives status signals and emergency signals of equipment in the building from the terminal device, and In a building management system that manages a building by transmitting a monitoring signal to the terminal device, a normal telephone line is provided between the central monitoring device and the private telephone exchange, and when an emergency signal is received, the normal telephone line is A building management system characterized in that the private telephone exchange is provided with a switching means for switching a telephone line to an emergency telephone line. 4. A plurality of terminal devices and one central monitoring device are connected via a private telephone exchange, and the central monitoring device receives status signals and emergency signals of equipment in the building from the terminal device, and A building management system that manages a building by transmitting monitoring signals to the terminal devices, characterized in that an emergency dedicated line for transmitting and receiving emergency signals is provided between the central monitoring device and the plurality of terminal devices. Building management system. 5. A private telephone exchange to which a plurality of terminal devices are connected is installed in each building, and each private branch exchange in each building is connected to one central monitoring device, and the central monitoring device is connected to each building. In a building management system that manages each building by receiving status signals and emergency signals of equipment from the terminal device and transmitting monitoring signals for each building to the terminal device, the central monitoring device and each building A normal telephone line and an emergency telephone line are arranged between the central telephone exchange and the central telephone exchange, and the central monitoring device is provided with a switching means for switching the normal telephone line to the emergency telephone line when an emergency signal is received. A building management system characterized by: