JPH0330345B2 - - Google Patents

Description

[Detailed description of the invention]

The present invention is an intercom for an apartment complex that selectively calls and makes calls from a master unit (hereinafter referred to as a common entrance unit) at a common entrance of an apartment complex to intercom slave units (hereinafter referred to as an intercom) in each of a plurality of residences. It is related to the system, and aims to construct a rational system by minimizing the number of wires, which becomes a problem when the number of stations increases, making it easy to expand, and making the room number and call number the same. . Conventionally, when attempting to selectively call and make a conversation from a common entrance unit to intercoms in a plurality of residences, in addition to one set of voice signal lines, selective call signal lines that increase in proportion to the number of residences are required. Therefore, when the number of stations increases, a very large number of wires are required, and the number of main wires differs for each floor, and the wiring that corresponds to each residence is selected, making it difficult to design and construct. It required a lot of labor and the construction costs were quite high. In view of the above points, the main purpose of the present invention is to reduce the number of wires, and furthermore, to simplify the complexity of station number setting that tends to occur when reducing wires, to broadly support expansion of the number of stations, and to reduce the cost as much as possible. The present invention provides an intercom system for apartment complexes that can be manufactured. The present invention will be explained below with reference to an embodiment shown in the drawings. FIG. 1 is an overall configuration diagram of an intercom system for an apartment complex, and FIG. 2 is a block diagram of the same circuit. In Figures 1 and 2, 1 is a communal entrance machine;
FA ₁ to FAm are relay adapters, T ₁ to Tn are room intercoms, 2 is communal entrance unit 1 and each relay adapter
Common wiring connects FA ₁ to FAm, A ₁ to Am is a relay adapter FA ₁ to FAm and each room intercom
This is a common wiring that connects T ₁ to Tn. Also 11
is a dial switch for selecting the calling party, 12
13 is a call number display; 14 is a converter for converting the upper digits of the calling signal into serial data; 15 is a converter for lower digits;
16 is a communication circuit, and these are installed inside the communal entrance device 1. a is a calling signal identification circuit, b is a number setting switch, c is a relay, c ₁ to _{c 3}
are the contacts of relay c, and these are the relay adapter
It is installed inside FA ₁ . Other relay adapters
FA ₂ to FAm also have a similar configuration. d is a calling signal identification circuit, e is a number setting switch, f is a relay, f ₁ and f ₂ are contacts of relay f, and g is a communication circuit, which are installed inside the room intercom T ₁ . The other room intercoms T ₂ to Tn have similar configurations. Now, the relay adapters FA ₁ to FAm are each set to a different number by the number setting switch b, for example, a number corresponding to the floor number of the building, and the intercoms T ₁ to Tn are also set by the number setting switch e. It is assumed that a different number is set for each floor, for example, a number corresponding to the number of a house on each floor. In this state, when a visitor selectively calls the dial switch 11 of the communal entrance machine 1, the call number is encoded by the converter 12 and separated into upper and lower digits. This encoded selective call signal has the upper digits of the converter 1.
4 and the lower digits are converted into serial data by a converter 15, respectively. At this time, the calling number is displayed on the display 13. and,
The serial data of the higher digits is inputted to all the relay adapters FA ₁ to FAm through the wiring 21 and the serial data of the lower digits is inputted to the wiring 22, respectively. The calling signal identification circuit a of these relay adapters FA ₁ to FAm compares the setting number set in the number setting switch b with the upper serial data inputted through the wiring 21, and if they match, it turns on the relay c. Drive. For example, if the setting number of relay adapter FA ₁ and the upper serial data match, contacts c ₁ to _{c 3} of relay c of this relay adapter FA ₁ will close, and all rooms connected to this relay adapter FA ₁ will be closed. Lower serial data is led to intercoms T ₁ to Tn through wiring A ₁₁ . The calling signal identification circuit d of these room intercoms T1 to _Tn is connected to the setting number set in the number setting switch e and the wiring 2.
2. Compare with the lower serial data input through _A11 , and if they match, drive relay f. For example, if the setting number of the room intercom T ₁ connected to the relay adapter FA ₁ matches the lower serial data, contacts f ₁ and f ₂ of the relay f of this room intercom T ₁ are closed. Thus, common entrance machine 1
The communication circuit 16 of the room and the communication circuit g of the living room intercom _T1 include wirings 23, 24, contacts _c2 of relay c,
c ₃ , wires A ₁₂ and A ₁₃ , and contacts f ₁ and f ₂ of relay f, making it possible to make a call. relay adapter
Relay c of FA ₁ and relay f of room intercom T ₁ are returned to the OFF state by a reset signal sent from communal entrance device 1 at the end of the call. By the above operation, from 1 to 4 communal entrance machines
Selective calls can be made using the dial switch 11 according to the room number consisting of digits. In other words, in general, the upper digits of apartment numbers in apartment complexes correspond to the floor number, and the lower digits correspond to the arrangement of rooms on each floor _.
If the numbers of ~FAm are made to correspond to the floors, and the numbers of the room intercoms _T1 to Tn are made to correspond to the arrangement of the rooms on each floor, the room numbers and the calling numbers can be matched. Note that in the above embodiment, relay adapters FA ₁ to
FAm and room intercom T ₁ - 2 each for Tn
Although we have a function to set individual digit numbers, if the number of floors of the building and the number of rooms are not very large,
Relay adapter FA ₁ ~ FAm and room intercom
For each number setting in T ₁ to Tn, the 10th digit may be individually wired so that only the 1st digit can be set individually. Even in this case, the number of wires increases only slightly, and the operation for setting individual numbers during construction can be simplified. Further, as in the above embodiment, the number of stations can be expanded, and the room number and the calling number can be matched. An embodiment based on this idea is shown in FIG. 3, and will be described below. In Fig. 3, 3 is a common entrance machine, SP ₁ and SP ₂ are terminals for call signals, and R ₀ to R ₂ are the lower digits of the room number, that is, selective call signal transmission for selecting the room intercoms U ₁ to Un. terminals, F ₀ to _{F 2} are the upper digits of the room number, i.e. the relay adapters FA ₁₀ , FA ₁₁ , FA ₁₂ ,
This is a terminal for sending a selective call signal to select FA ₁₀₀ , FA ₂₀₀ , . . . Relay adapter FA ₁₀ , FA ₁₁ , FA ₁₂ , FA ₁₀₀ ,
FA ₂₀₀ ...and room intercom U ₁ ~ Un is 0 ~ 9
It has _an individual number setting function that allows you to set up to
The first digit of the upper digit number corresponding to the floor
From _F1 , the 1st number of the upper digit numbers corresponding to the 10th to 19th floors is sent out, and from the terminal _F3 , the 1st number of the higher digit numbers corresponding to the 20th to 29th floors is sent out. Also, from terminal R ₀ , 1 of the room number
The terminal _R1 sends out the first-order numbers of the lower digit numbers corresponding to numbers 9 to 9, numbers 10 to 19 from terminal _R1 , and numbers 20 to 29 from terminal R2. Relay adapter FA ₁₀ , FA ₁₁ , FA ₁₂ , FA ₁₀₀ , FA ₂₀₀ ...
has a terminal for inputting a high-order digit number and a low-order digit number, and the terminal for inputting the 10th-digit number of the high-order digit number is connected to one of the terminals F ₀ to _{F 2} of the communal entrance machine 3. In addition, the living room intercoms U ₁ to Un have a terminal for inputting the lower digit number, and the terminal for inputting the 10th digit number of the lower digit number is a relay adapter.
It is connected to any one of the terminals R ₀ to _{R 2} of the communal entrance machine 3 via FA ₁₀ , FA ₁₁ , FA ₁₂ , FA ₁₀₀ , FA ₂₀₀ . That is, the terminal F ₀ of the common entrance machine 3 ~
One relay adapter is selected based on the 10th place number of the high order digit number selectively sent from F ₂ and the 1st place number of the high order digit number sent from the terminal (not shown) of the communal entrance device 3. By the 10th number of the lower digit number selectively sent from the terminals R ₀ to _{R 2} of the entrance machine 3 and the 1st number of the lower digit number sent from the terminal not shown in the figure of the communal entrance machine 3, the above-mentioned One of the living room intercoms U ₁ to Un connected to one relay adapter
are selected. Although not clearly shown, the terminals R ₀ to _{R 2} of the communal entrance machine 3 are connected to all the relay adapters FA ₁₀ , FA ₁₁ , FA ₁₂ , FA ₁₀₀ , FA ₂₀₀ . Terminal F ₀ ~ in this example
The correspondence relationship between F ₂ , R ₀ ~ _{R 2} and the room number is shown in the following 1.
It is as shown in the table.

[Table] In the first and second embodiments described above, the relay adapter and the room intercom have the same configuration except for the communication circuit. As explained above, according to the intercom system for apartment complexes according to the present invention, a relay adapter is selected by one set of selective call signals out of two sets of selective call signals generated every time a selective call is executed, Since the other pair selects the specific intercom slave connected to that relay adapter,
The number of wires can be significantly reduced, and the labor and time required for construction can be reduced. Further, the room number and the calling number can be easily matched, and furthermore, the number of stations can be widely expanded, and the system can be manufactured at low cost. In particular, according to the present invention, the selective call signal is separated into upper digits and lower digits, and these are transmitted to the relay adapter and handset through separate control signal paths, so that the upper digit can be selected. There is no problem of the entire system malfunctioning due to the ringing signal and the selective calling signal of the lower digits being mixed up with each other, and since the selective calling signal is separated into the upper digits and the lower digits, the relay adapter It has the advantage that the overall configuration is very simple, since it is only necessary to individually select the upper digits and the lower digits in the handset.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, with FIG. 1 being an overall configuration diagram thereof, FIG. 2 being a block diagram of the same circuit, and FIG. 3 being an overall configuration diagram of another embodiment. 1, 3...Common entrance machine (intercom base machine),
FA ₁ ~FAm……Relay adapter, T ₁ ~Tn, U ₁ ~
Un...Room intercom, a, b...Call signal identification circuit, b, e...Number setting switch, c,
f...Relay, 16, g...Telephone circuit.

Claims (1)

[Claims] 1. An intercom base unit that generates selective call signals for the upper digits and lower digits individually when a selective call is executed, and outputs these selective call signals to separate control signal paths, and this intercom base unit. When the number of the selective call signal of the upper digit connected in parallel and input via the upper digit control signal path matches the number set by the number setting means provided individually, the base unit A plurality of relay adapters each having a switch means for turning on a communication path and a control signal path for lower digits between the terminal and an intercom handset (described later), and a control signal path for lower digits connected in series to each of these relay adapters. switch means for turning on the communication path with the base unit when the number of the selective call signal of the lower digits inputted via the above matches the number set by the individually provided number setting means; and an intercom handset having a control signal path for the upper digits, the relay adapter transmits the selective call signal for the upper digits via the control signal path for the upper digits, and the lower digits transmits the signal for the lower digits via the control signal path for the lower digits. For use in apartment complexes, the system is configured to select specific intercom handsets connected to the relay adapter using a selection call signal, and to close a communication path between the specific intercom handsets and the intercom base unit. intercom system.