JPH0315875B2 - - Google Patents

Description

[Detailed description of the invention]

[Technical Field] The present invention relates to an intercom system for housing complexes. [Background Art] In general, this type of intercom system for apartment complexes is shown in Figure 1, in which 1 is an entrance telephone receiver placed in the entrance lobby, and 2 is an intercom system for apartment buildings.
is a residential unit handset installed in each dwelling unit, and both handsets 1 and 2 are connected to two intercom signal lines 3.
They are connected in parallel via a , allowing two-way communication. 4 is a coaxial cable for video signal transmission, which transmits the video signal output from the TV camera installed on the entrance handset 1 side to each dwelling unit using an appropriate carrier wave (45.75MHz). The handset 2 side receives this video signal and displays the surveillance video on a monitor television. 5 is located in the entrance lobby, and by entering the housing unit number on the keyboard 40,
The dwelling unit handset 2 is called and a conversation is made between the dwelling unit handset 2 and the entrance handset 1. By the way, in such an intercom system, the correspondence between the address of the handset 2 for each dwelling unit and the dwelling unit number is incorporated in advance into the control program of the central calling device 5, and cannot be easily changed. There was a problem that it was not possible to easily respond to changes in type and scale. In other words, there has been a problem in that a standard intercom system that can be easily applied to various types of housing complexes cannot be realized. [Object of the Invention] The present invention has been made in view of the above points, and it is an object of the present invention to provide an intercom system for an apartment complex that can be easily adapted to the type and scale of the apartment complex. [Disclosure of the Invention] (Structure of the Invention) Fig. 2 shows the structure of the present invention, and shows the correspondence between the address of each dwelling unit handset 2 and the dwelling unit number in the above-mentioned intercom system of Fig. 1. a data memory 62 that stores corresponding data;
a data writing circuit 63 for writing corresponding data inputted through the keyboard 40 into the data memory 62;
By operating the keyboard 40, the correspondence relationship between the address of the handset 2 for each dwelling unit and the dwelling unit number can be easily set on site, and it is possible to easily respond to changes in the type and size of the apartment complex. It is now possible to do so. (Example) Figures 3 to 6 show an example.
0 has an entrance handset 1, a central paging device 5,
Entrance unit 20 having a television camera 11
is a telephone receiver for the supervisory room 21 and a central paging device 22.
, monitor television 23, and disaster prevention central monitoring device 2
4, and a control room unit having a monitoring display section 25; 30, a residential unit handset 2; and a monitor television 30;
This is a home unit that includes a controller 32 for controlling the following, an intercom terminal 7, and a monitoring terminal 33. The central paging devices 5 and 22 of the entrance unit 10 and the control room unit 20 are
As shown in FIG. 5, a keyboard 40;
A data memory 62 stores correspondence data indicating the correspondence between the dwelling unit number inputted using the keyboard 40 and the address of the dwelling unit handset 2 (the address of the terminal 7), and a mode changeover switch 63a is set to the normal mode (side a). ) to the data write mode (side b), a data write circuit 63 writes data input from the keyboard 40 to the data memory 62, and a microcomputer (CPU).
and a transmission circuit 42 that receives a control signal transmitted via a control signal line 8 that forms a transmission signal for transmitting a calling signal. Thus, in the normal mode, by inputting the housing unit number using the numeric keypad 43 of the keyboard 40, 8-bit address data is formed in the signal processing circuit 41 based on the corresponding data stored in the data memory 62. ,
A calling signal for transmitting this address data is sent from the transmission circuit 42 to the control signal line 8. Further, the signal processing circuit 41 receives the control signal transmitted via the control signal line 8 and controls the intercom line switching circuits 12 and 26 or turns on the power of the television camera 11 and monitor television 23.
It is designed to control things such as unlocking the electric lock 13 of the automatic door 14. In this embodiment, the above-mentioned calling signal and control signal use a so-called power line carrier method in which data is transmitted by superimposing a high-frequency signal on a power supply, and each bit of the calling signal and control signal is transmitted on the control signal line 8. It is designed to be transmitted in synchronization with each half cycle of the AC power (24V AC) being sent. In the figure, 15 is the entrance telephone receiver 1
A handset up/down detection circuit that detects whether the handset is picked up and sets the intercom system to an active state while the handset is picked up. Reference numeral 26a is a call selection switch, and in this embodiment, since three apartment buildings are centrally managed, the switch 26a is used to select which building's intercom signal line 3 is to be connected to the control room handset 21. It is. 27 is a demodulator that demodulates the video signal. Reference numeral 45 indicates an unlock key to be pressed when sending a control signal to unlock the electric lock 13 of the automatic door 14, 46 indicates a display section for the housing unit number entered by the key, 47 indicates a call display lamp of the intercom, and 48 indicates an unlock indicator lamp,
49a is a booster, and 49b is a branch. The disaster prevention centralized monitoring device 24 receives monitoring information (fire, gas leak, gas removal, crime prevention, absence) transmitted from the monitoring terminal 33 via the six monitoring signal lines 9, and displays the monitoring display section 25. to be displayed. 25a in the figure
25 is the alarm content display section, 25b is the ridge display lamp, and 25
c is a dwelling unit display section, and 25d is an absence display section. As shown in FIG. 6, the controller 32 of the home unit 30 includes a calling circuit 50 that generates a ringing sound (buzzing sound), a fire detector 51a, and a gas detector 51.
b. A sensor operation detection circuit 52 that detects whether a sensor 51 such as a security switch 51c is activated.
and a sound generation circuit 53 that generates an alarm message.
and a switching circuit 54 for intercom signal lines 3 and 3a.
When a call detection signal is output from the intercom terminal 7, a call discrimination circuit 55a detects whether the call is from the control room or not.
, a call determination circuit 55b that determines whether the call is from the entrance lobby, and a handset that detects the activation of the intercom handset 56.
up detection circuit 57, and when an output is obtained from either of the call discrimination circuits 55a and 55b, the contact r _c is turned on to operate the call circuit 50, and at the same time, the contacts r _a , r _b , _e b The speaker 59 generates a ringing tone by switching from the side to the a side, and the ringing tone is sent back to the calling side via the intercom signal line 3. Further, when an output is obtained from the call discrimination circuit 55b, the contact _rd is turned on to operate the monitor television 31. Next, when the output is obtained from the handset up detection circuit 57,
Contacts r _b and r _e are switched to the b side, the ringing tone is stopped, and at the same time, the handset 56 is connected to the intercom signal line 3 to enable communication with the calling party. Contact r _f is switched from side B to side A when the sensor operation detection circuit 52 output is obtained, and an alarm message is sent via the doorway handset 60 installed at the doorway of each dwelling unit to detect the occurrence of an abnormality outside. It is now becoming known that When such an abnormality occurs, the output of the sensor operation detection circuit 52 is sent to the monitoring terminal 33.
and the central monitoring device 24 via the monitoring signal line 9.
and displayed on the monitoring display section 25 as described above. 61 is a comparison signal generation circuit that generates an unlock signal by pressing the unlock button 61a;
This comparison signal is sent back to the central calling device 5 of the entrance unit via the intercom terminal 7 and the control signal line 8, and the electric lock 13 of the automatic door 14 is unlocked. (Operation of Example) Currently, the automatic door 14 in the entrance lobby is always locked, so visitors cannot enter the entrance unit 10.
The visitor inputs the residential unit number of the visitor using the keyboard 40 of the central calling device 5, and sends out a calling signal for transmitting address data formed based on the corresponding data in the data memory 62. However, the mode changeover switch 63a of the data write circuit 63 is switched to the a side, and the normal mode is set. When this calling signal is received by the intercom terminal 7 of the home unit 30, it is determined whether the received address data matches its own unique address, and if they match, a calling detection signal is output. The controller 32 determines whether this call detection signal is a call from the entrance lobby or the management room, operates the call circuit 50 and monitor television 31 as appropriate, and generates a ring sound and projects an image of the entrance lobby. . Next, the handset 56 of the home unit 30
When the phone is picked up, the ringing tone stops and the handset 1, 2 is connected via the intercom signal line 3.
It is possible to make calls between If you wish to meet a visitor here, by pressing the unlock button 61a, an unlock signal is sent to the entrance unit 10 via the intercom terminal 7 and the intercom signal line 3.
The electric lock 13 of the automatic door 14 is unlocked and the automatic door 14 is opened. Note that if the resident to be visited is absent, the number of the supervisory office is entered on the keyboard 40 to call the manager and inform him of the business. Further, calls between the supervisory office and each dwelling unit are carried out in exactly the same manner as those between the entrance lobby and each dwelling unit described above. By the way, when the mode changeover switch 63a of the data writing circuit 63 is switched to the b side and set to the data writing mode, the 3-digit address display provided on the left side of the 4-digit display section 46 that displays the housing unit number will be displayed. The addresses of the intercom terminal 7 are displayed in order from "0, 0, 0" in the section 46a, and by inputting the housing unit number corresponding to each address using the numeric keypad 43 and pressing the write key 43a, the housing unit number and Correspondence data indicating the correspondence with the address will be written into the data memory 62. For example, if it is a 5-story condominium with 10 units/floor, the housing unit numbers will be 101 to 110 for each floor.
Numbers 201 to 210...501 to 510 are often set, and in this case, the correspondence between the housing unit number and address is as shown in the table below.

〔Effect of the invention〕

As described above, the present invention calls the dwelling unit handset installed in each dwelling unit by inputting the dwelling unit number on the keyboard of the central calling device installed in the entrance lobby, and calls the dwelling unit handset and the entrance telephone. In an intercom system for apartment complexes in which calls are made between a handset and a handset, there is provided a data memory for storing correspondence data indicating a correspondence relationship between an address of a handset for each dwelling unit and a housing unit number, and a data memory for storing correspondence data that is inputted using the keyboard. The central calling device is equipped with a data writing circuit that writes the corresponding data to the data memory, and the correspondence between the dwelling unit number and the address of the dwelling unit handset can be easily set at the construction site using the keyboard. This has the advantage that it is possible to provide an intercom system that can be easily applied to apartment complexes of different sizes (number of floors, number of units).

[Brief explanation of the drawing]

Figure 1 is a block circuit diagram showing the configuration of a conventional example.
FIG. 2 is a block circuit diagram showing the structure of the present invention, FIGS. 3 to 6 are block circuit diagrams of the main parts of the same, and FIG. 7 is a front view of the main parts of the same. 1 is a handset for the entrance, 2 is a handset for the residential unit, 5
62 is a data memory, and 63 is a data writing circuit.

Claims (1)

[Claims] 1. By entering the housing unit number on the keyboard of the central calling device installed in the entrance lobby, the housing unit handset installed in each housing unit is called, and a call can be made between the housing unit handset and the entrance handset. The intercom system for apartment complexes is configured to include a data memory for storing correspondence data indicating a correspondence relationship between the address of the handset for each dwelling unit and the dwelling unit number, and a data memory for writing the corresponding data input using the keyboard. 1. An intercom system for an apartment complex, characterized in that a central calling device is provided with a data writing circuit for reading data.