JPS6240599A - Interphone system for housing complex - 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] [Technical Field of the Invention] The present invention relates to an intercom system for apartment complexes, and in particular, a video signal,
The present invention relates to an intercom system for apartment complexes that transmits call signals.

[Ji! Technical background] An intercom system for aggregated downy hair as shown in FIG. 4 has been known. In this type of intercom system 10 for apartment complexes, 1 is a controller that controls the intercom system, 2 is a manager's room base unit installed in a manager's room and connected to the controller 1 by a plurality of pair wires, and 3 is a controller for controlling the intercom system; 4. is a collective entrance machine connected to the controller 1 by an extremely large number of pair wires;
4' is a floor terminal 6' connected to the controller 1 by a plurality of pair wires; 6' is a room unit installed in the dwelling unit 5.5' and connected to the floor terminal 4 by pair wires; 7.7' is a room unit connected to the floor terminal 4 by pair wires; A heat sensor 8, 8' indicates the occurrence of a fire to the occupant unit 6.6' when a fire occurs, and gas leak detectors 8, 8' indicate the occurrence of a gas leak to the occupant unit 6.6'.

Next, the operation of the intercom system for apartment complexes will be explained based on FIG. First, when a fire occurs in the dwelling unit 5, the heat detector 7 is activated and the room unit 6 generates an alarm sound. The alarm information is transmitted via floor terminal 4 via multiple pair wires.

It is transmitted to the controller 1. Therefore, the controller 1 controls the management entry master unit 3 to display the alarm information and the housing unit number of the disaster victim, and also generates an alarm sound.

[Problems with the background technology] However, in this type of intercom system for apartment complexes, a dedicated line is installed in order to simultaneously notify all units of alarm information in the event of an abnormality such as a fire or gas leak. This poses the problem of increased construction costs.

[Object of the Invention] The present invention has been made in view of the above-mentioned problems,
When an abnormality such as a gas leak or fire occurs, alarm information is transmitted over a coaxial line installed for cable television, and the alarm information is displayed on the general broadcasting television receiver in each residence, reducing construction costs. The purpose of this invention is to provide an intercom system for residential complexes.

[Summary of the Invention] In order to achieve the above object, an intercom system for an apartment complex of the present invention is provided, in which an intercom system for an apartment complex is provided with a coaxial cable for cable television, and includes a security detection element and the detection link. detects abnormalities. and a control signal containing alarm information to be transmitted using the baseband band, and upon receiving the control signal transmitted from the disaster-affected room unit, a control signal containing paging information is transmitted using the baseband band. The manager's room II machine transmits frequency-modulated calling signals and audio signals using the FM band, and the manager's room main unit transmits alarm information and the disaster-affected residence number on video. a character information generator that converts the information into a signal and transmits it using the VHF band, a video signal transmitted from the character information generator, the control signal, the call signal, the audio signal, and the VHF band;
A mixer that mixes general broadcast television signals transmitted using the HF band and UHF band, and a distributor that distributes various signals transmitted from the mixer to each system formed by a group of room units. and a predetermined number of series units connected from the output end of the distributor, each having a plurality of outputs,
It is connected to the first output end of the series unit, demodulates the calling signal and the voice signal, and frequency modulates the voice signal to be transmitted to the manager's room main unit, and when the abnormality occurs, the control signal is It is a device in which the unit in the room outside the disaster area is called all at once, and the television receiver connected to the second output terminal of the series unit and receiving the video signal and the general broadcast television signal. be.

[J′! Preferred Embodiments] Preferred embodiments of the present invention will be described in detail below with reference to FIG. The intercom system 40 for apartment complexes of the present invention includes:
Receiving antenna 41, second mixer 42, distributor 43, branching device 45 as a series unit (DC through-type series unit), disaster source room unit 46, disaster source outside room unit 46', television receiver 47'', Heat sensor 48, gas leak detector 49.
Terminal device 50, manager's room master device 51. Character information generation ja52
．． First mixer 53. It is formed of a cable television coaxial line (hereinafter referred to as coaxial line) 54.

A cable television coaxial line 54 is installed in this intercom system 40 for an apartment complex. Heat sensor 48 here
indicates the occurrence of a fire within the dwelling unit 44, and the gas leak detector 49 indicates the occurrence of a gas leak within the dwelling unit 44. When the heat sensor 48 detects the occurrence of a fire or the gas leak detector 49 detects a gas leak, the disaster victim room unit 46 sends a control signal containing alarm information using the baseband band 20 (FIG. 2). It transmits data, and includes a data transmitter, a data receiver, a frequency modulator, a demodulator (none of which are shown), and the like. Upon receiving the control signal transmitted from the victim's room unit 46, the manager's room main unit 51 transmits the control signal containing the simultaneous paging information using the baseband band 20 (FIG. 2) and frequency modulates the control signal. The device transmits the received calling signal and voice signal using the FM band 21 (Fig. 2), and includes a data transmitting section, a data receiving section, and a frequency modulator.

It has a built-in demodulator (none of which is shown).

The text information generator 52 converts the alarm information and the housing unit number of the disaster victim, which have been transmitted from the manager's room base unit 51, into video signals and transmits them using the empty channel 25 of the VHF band. The first mixer 53 mixes the video signal transmitted from the character information generator 52, the control signal, the calling signal, and the audio signal. The second mixer 42 combines the output signal of the first mixer 53 with the VHF band 23.24 (FIG. 2) and the UHF band 2.
The 1-distributor 43 mixes the general broadcasting television signal transmitted using the 6 (FIG. 2) signal, which is transmitted from the second mixer 42 via the cable television coaxial 'JIA54'. This system distributes the various signals received to each system formed by a group of units in one room.

A predetermined number of branchers 45 are connected to the output end of the distributor 43, and each brancher 45 has a plurality of outputs.

At least one of the branch outputs is of a direct current feedthrough type.

The disaster source outside unit 46' is connected to the first output end of the branch 45, demodulates the calling signal and the audio signal, and frequency-modulates the audio signal to be transmitted to the manager-base unit 51. However, in the event of the fire or gas leak, the control signals are called out all at once. The television receiver 47 is connected to the second output end of the splitter 45 and receives the video signal and the general broadcast television signal. The receiving antenna 41 is
VHF band 23, 24 (Fig. 2), UHF band 26 (Fig. 2)
It receives the general broadcast television signal shown in Figure). The terminator 50 terminates each system to a constant impedance. The cable television coaxial line 54 is used to connect each of the above-mentioned devices and to share the same line to transmit various signals.

Next, the operation of the intercom system for apartment complexes will be explained based on FIG. First, when the heat detector 48 detects a fire or the gas leak detector 49 detects a gas leak in the dwelling unit 44, a third
A control signal as shown in the figure is transmitted using the baseband band 20 (FIG. 2).

The code structure of the control signal in this case is as follows. That is, 30 is a synchronization pulse that synchronizes the entire code;
1 is a code representing the equipment number on the sending side, 32 is a code representing the equipment number on the receiving side, and 33 is the type of information content, that is, whether it is just communication information or - broadcast information, confirmation information from the receiving side. 34 is a code representing the number of bytes representing how many bytes the information in 35 consists of, 35 is transmission or reception data consisting of variable length bytes, and 36 is the number of bytes from 31 to 35. This is an error correction code used to identify the presence or absence of errors in information.

Next, the operation of the intercom system for apartment complexes will be explained based on FIG. Except for emergencies, the circular information sent from the character information generator 52 is displayed on an empty channel of the general broadcast television receiver 47, 47' installed in every dwelling unit 44, 44'. However, when a fire or gas leak occurs in the dwelling unit 44, the familiarizer 48 or gas leak detector 49 is activated, and the disaster source room unit 46 generates an alarm sound. If an alarm sound is generated, a control signal containing alarm information as shown in Fig. 3 is sent from the victim's room unit 46 to the manager's room main unit 51 using the baseband 1F20 (Fig. 2) on the same axis! 54.

The code structure of the control signal shown in FIG. 3 in this case is as follows. That is, 31 is the device number of the disaster-affected room unit 47, 32 is the device number of the manager's room master unit 51, 33 is general communication information, 34 is information that the sending data consists of 1 byte, and 35 is 1 byte. Alarm information, 36 is 31
This is the horizontal parity of information from to 35.

Therefore, the manager's room main unit 51 is 46-45-43-42-5.
The control signal transmitted through the route 3-51 is taken in. As a result, the manager's main unit 51 generates an alarm sound and displays alarm information and the residence number of the disaster victim.

Therefore, the manager picks up the handset (not shown) of the main unit 51 in the manager's room and places it on the handset (not shown) in order to alert all the apartment complexes of a fire or gas leak. From the base unit 51 to the disaster source unit 46'
A control signal containing paging information is sent on coaxial line 54 using baseband 20 (FIG. 2).

The code structure of the control signal shown in FIG. 3 in this case is as follows. That is, 31 is the device number of the manager's room main unit 51, 32 is the broadcast device number, 33 is the broadcast information, 3
4 is information that the sending data is data consisting of 1 byte, 35 is simultaneous broadcast information consisting of 1 byte, and 36 is 31
This is the horizontal parity of information from to 35.

In addition, a frequency-modulated calling signal is sent from the manager's main unit 51 to the affected unit 46' in the FM band 2-1 (Figure 2).
It is sent out on the coaxial line 54 using.

Furthermore, a video signal containing alarm information and the residence number of the disaster victim is transmitted from the character information generator 52 controlled by the manager's room main unit 51 to the television receiver 47' through the empty channel 25 (second (Fig.) onto the coaxial line 54. Therefore, the various signals mentioned above are mixed in the first mixer 53 and then mixed with the general broadcasting television signal in the second mixer 42. The various signals then reach the dwelling unit 44' via the distributor 43 and the branch 45. As a result, the frequency-modulated calling signal is demodulated in the unit 46' in the disaster-affected room, causing a speaker (not shown) to sound. If the person called then selects the empty channel on the television receiver 47', the alarm information and the house number of the disaster-affected person will be displayed, allowing the person to know that a fire or gas leak has occurred and the location of the occurrence. I can do it.

Next, Fig. 2 shows the frequency spectrum used in the intercom system for apartment complexes. 20 is the spectrum of the baseband control signal.

21 is the spectrum of the FM signal transmitted from the master unit 51 in the manager's room to all the units 46 and 46'; 22 is the spectrum of all units 46 in the room
．． The spectrum of the FM signal transmitted from 46' to the master unit 51 in the manager's room, 23 is the VH of the general broadcast television signal.
24 is a spectrum showing the low group of the F band, 24 is a spectrum showing the high band of the VHF band among general broadcast television signals, 25
is the spectrum of the video signal converted to the VHF band, 26
is a spectrum that indicates a UHF band signal among general broadcast television signals.In the above example, a main unit in the manager's room and a unit in the room are installed, but a collective entrance unit is also installed to provide a collective entrance unit. It is possible to exchange control information, audio information, and video signals between the entrance unit and the manager's room main unit, and between the room unit and the collective entrance unit. Furthermore, if a computer or the like is installed in the manager's room and the transfer information from the main machine in the manager's room is output to a printer or the like, an intercom system for apartment complexes with higher added value can be realized.

In addition, - in the above examples, heat detectors and gas leak detectors were explained as security detection elements, but security detection elements such as security detectors installed on windows and doors or emergency alarms installed in room units can also be used. They are equally applicable.

[Effects of the Invention] As is clear from the above embodiments, according to the intercom system for apartment complexes of the present invention, gas leakage or When an abnormality such as a fire occurs, alarm information is transmitted from the disaster victim's room unit to the manager's room main unit, and the manager's room main unit, which received this alarm information, transmits mass call information to the disaster victim's outside room unit. When the handset is picked up from the unit in the room outside the disaster area, the warning information transmitted from the character information generator and the housing unit number of the disaster area are configured so that they can be received by a general broadcast television receiver, so construction work can be carried out. This has the effect of reducing costs.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of an intercom system for apartment complexes according to the present invention, and FIG. 2 is a frequency allocation diagram of various signals used in the intercom system for apartment complexes according to the invention.
FIG. 3 is a code configuration diagram of control signals used in the intercom system for apartment complexes according to the present invention, and FIG. 4 is a block diagram of a conventional intercom system for apartment complexes. 40... Intercom system for apartment complexes 42
...Second mixer 43...Distributor 45...Brancher (series unit) 46...
...Victim room unit 46'...Victim outside room unit 47'...Television receiver 48...Heat detector 49...Gas leak detector 51 ...Administrator's room 1n 52 ...Text information generator 53 ...First mixture amount 54 ...Cable TV coaxial line agent Patent attorney Mamoru Valley - Ram 2 Figure

Claims (1)

[Claims] In an intercom system for an apartment complex in which a coaxial line for cable television is installed, a security detection element, a disaster source room unit that transmits a control signal containing alarm information using a baseband band when the detection element detects an abnormality; Upon receiving the control signal transmitted from the disaster source room unit, transmit a control signal containing simultaneous paging information using a baseband band, and transmit a frequency-modulated paging signal and voice signal using an FM band. A manager's room main unit, a text information generator that converts the alarm information transmitted from the manager's room main unit and the housing unit number of the disaster victim into video signals and transmits them using a VHF band, and from the text information generator. a mixer for mixing the transmitted video signal, the control signal, the calling signal, the audio signal, and the general broadcast television signal transmitted using the VHF band and the UHF band; a distributor that distributes the various signals received to each system formed by a group of room units; a predetermined number of series units each having a plurality of outputs connected from the output end of the distributor; and a first series unit of the series unit. 1, which demodulates the calling signal and the audio signal, and frequency-modulates the audio signal transmitted to the manager's room base unit, and when the abnormality occurs, the controller is called all at once with the control signal. An intercom for an apartment complex, characterized in that it is equipped with a room unit outside the disaster area, and a television receiver that is connected to the second output end of the series unit and receives the video signal and the general broadcast television signal. system.