JP3208036B2 - Apartment intercom system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-unit intercom system, and more particularly to a control room master unit capable of sending a memory message even when a room unit is out of the office, and a call from another room unit to the management room base unit. The present invention relates to a multi-family intercom apparatus for reducing the rate of busy communication on a communication channel by reducing reception of calls and reducing the burden on a manager.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 3, an apartment house intercom system has a plurality of room units T11, T12,
T13 ... T1n are connected to the controller 1a via the trunk line L4. The control device 1a includes a collective entrance device 2a and a control room master device 3a.
Are connected via lines L5 and L6, respectively.

[0003] In this collective house intercom apparatus, a collective entrance unit 2a, a control room main unit 3a, room units T11, T12, T13.
.., T1n, the functions of calling, calling, and alert information can be realized by each operation.

The controller 1a performs data communication with a plurality of living room units T11, T12, T13... T1n which are branch-connected on the main line L4. , T13... T1n are controlled.

[0005]

In the multi-housing intercom apparatus configured as described above, it is assumed that a plurality of room units T11, T12, T13... T1n are branch-connected on the main line L4. In such a case, a plurality of room units T11, T1
2. Since there is only one control room master unit 3a for T13 ... T1n, inquiries from the resident of the room unit to the manager of the management room master unit 3a increase, so that the communication path of the collective housing intercom device is reduced. The rate of blocking and talking becomes high.

[0006] In addition, the inquiry from the room unit hinders the ordinary work of the manager. Alternatively, there is a drawback such that when the living room unit is called from the control room main unit 3a, the living room unit is out of contact with the resident because of the absence.

[0007]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a multi-dwelling intercom system for reducing the busy rate of a communication channel and reducing the burden on a manager. With the goal.

[0008]

In order to achieve this object, a multi-unit intercom system of the present invention connects a plurality of living room units to a control unit via a main line, and the control unit includes a collective entrance unit and a control room. The main unit is connected via a line, the control room main unit is set when there is no response from the called room unit, and a memory set switch for outputting a memory set signal is provided. A memory set lamp that is lit by a memory display lighting signal based on a memory set signal, and the controller includes a memory set storage device that stores a room number of a room unit set by a memory set signal from a memory set switch, When called from the room unit, it is determined whether or not the room number is the room number set in the memory set storage device, and the room number of the room unit is recorded in the memory set storage device. A memory set room number discriminating circuit for transmitting a call signal from the room unit to the control room master unit when it is determined that the room unit has the set room number, and a room number of the room unit set by the memory set switch. A switch for transmitting to the memory set storage device, a switch for transmitting the room number of the room unit to the memory set room number discriminating circuit when called from the room unit, and ON for controlling the switching of these switches to ON And a switch that is switched ON to transmit a call signal from the living room unit to the control room master unit when the memory switching switch is turned OFF.

[0009]

In this multi-unit intercom system, a plurality of room units are connected to a control unit via a main line, and the control unit is connected to a collective entrance unit and a control room main unit via a line. When a room unit is called in the machine, if there is no response from the called room unit, a memory set switch is set, and a memory set signal is output from the memory set switch.

[0010] In the room unit, the memory indicator light is turned on by the memory set signal. The controller stores the room number of the room unit set by the memory set signal from the memory set switch in the memory set storage device.

[0011] The memory set room number discriminating circuit determines whether or not the room unit having the room number set in the memory set storage device when called from the room unit, and determines whether or not the control room master unit can be called. I do.

The room number of the room unit set by the memory set switch is transmitted to the memory set storage device, and when called from the room unit, the room number of the room unit is transmitted to the memory set room number discriminating circuit. When the number discrimination circuit determines that the room number of the room unit is the room unit of the room number set in the memory set storage device, a call signal from the room unit is transmitted to the control room master unit, and the memory set storage device The call signal from the room unit of the room number not set in the memory is cut off.

When a call is made from the living room unit in this way, a call signal from the living room unit having the room number set in the memory set storage device is transmitted to the management room master unit and set in the memory set storage device. The call signal from the room unit having no room number is cut off, so that the control room master unit cannot be called from the room unit.

[0014]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of a multi-unit intercom system according to the present invention;

As shown in FIG. 1, in a multi-unit intercom system of the present invention, a plurality of living room units T1, T2,... Tn are connected to a controller 1 via a main line L1, and 2 and the control room master unit 3 are connected via lines L2 and L3, respectively.

The control room main unit 3 is provided with a control room main unit interface (I / F) 30, a transmission / reception circuit 31, and a handset HS which are sequentially connected to the line L3. The control room base unit CPU (I / F) 30 is connected to the control room base unit CPU via a data transmission / reception circuit 32.
A memory set switch SW1 which is set when there is no response from the called room unit and outputs a memory set signal S1 (FIG. 2), a hook switch SW3 interlocked with the handset HS, a ringing and alarm speaker SP and numeric keypad Ky1 are connected respectively.

In the controller 1, the lines L2 and L3 are respectively connected from the collective entrance interface (I / F) 10 and the control room parent interface (I / F) 11 to the communication path circuit 12
, And the communication path circuit 12 is connected from the room interface (I / F) 13 to the main line L1. Entrance interface (I / F) 10, Control room main unit interface (I / F) 11, Living room interface (I / F) 1
Reference numeral 3 is connected to the controller CPU via data transmission / reception circuits 13a, 14 and 15, respectively. The control unit CPU has a communication path circuit 12, a memory set storage unit RAM for storing the room number of the room unit set by the memory set switch SW1 of the control room main unit 3, and a memory set storage when called from the room unit. A memory for transmitting a call signal from a room unit having a room number set in the device RAM to the control room master unit 3 and blocking a call signal from a room unit having a room number not set in the memory set storage device RAM. The changeover switch SW2 is connected to each of them. In addition, the controller CPU determines whether or not the room number of the room number set in the memory set memory RAM when called from the room unit and determines whether or not the control room main unit 3 can be called. A set room number discriminating circuit 16 is provided.

Each of the room units T1, T2,..., Tn is provided with a room unit interface (I / F) 40, a transmission / reception circuit 41, and a handset HS1, which are sequentially connected to the main line L1. The room unit interface (I / F) 40 is connected to the room unit CPU via a data transmission / reception circuit 42. Room machine C
The PU has a hook switch SW4 interlocking with the handset HS1, a call, an alarm speaker SP1, a control room main unit call button Bu, and a memory set signal transmitted to the room unit having the room number set in the memory set storage RAM. The memory indicator LED which is lit by the memory display lighting signal based on the LED is respectively connected.

The collective entrance apparatus 2 is provided with a television camera Tc, a microphone speaker MS, and a numeric keypad Ky2.

As shown in FIG. 2, the controller CP of the controller 1
At U, the memory device ROM is called when the living room unit is called from the memory set detecting unit 20, the control room main unit response detecting unit 21, the control room main unit calling unit 22, the living room unit calling detecting unit 23, and the control room main unit 3. It is determined whether or not the room unit has the stored room number,
Room number discriminating unit 2 that determines whether or not a room unit can be called
4. A storage device ROM connected to the room number discriminating unit 24 for storing the room number of the room unit, a management room main unit call detecting unit 25, a room unit response detecting unit 26, a room unit call detecting unit 27, and a memory display lighting unit 28. , AND circuits 28a, 29, and 31, an inverter 30a, and switches SW10, SW20, and SW30.

The memory set detection unit 20, the control room master unit response detection unit 21, the management room master unit calling unit 22, and the living room unit call detection unit 23 include a data transmitting / receiving circuit 14, a management room master unit interface (I / F) 11, It is connected to a data transmission / reception circuit 32 via a management room master device interface (I / F) 30 of the management room master device 3. The control room main unit call detection unit 25, the room unit response detection unit 26, the room unit call detection unit 27, and the memory display lighting unit 28 include the data transmission / reception circuit 15, the room unit interface (I / F) 13, the room units T1, T2, ... Data transmission / reception circuit 42 via room unit interface (I / F) 40 of Tn
It is connected to the. The room number discriminating unit 24 is connected to the memory set room number discriminating circuit 16 via the input terminal of the room unit call detecting unit 27 and the switch SW30. The reference voltage Vcc is supplied from the memory changeover switch SW2 via the resistor R to the input terminals of the AND circuits 28a and 29 and the inverter 30a.
Is connected to the input terminal of the AND circuit 31 via the.
The memory set detection unit 20 is connected to the AND circuit 28a and the input terminal of the memory display lighting unit 28. The control room base unit call detection unit 25 is connected to the input terminals of the AND circuits 29 and 31 and is connected to the control room base unit call unit 22 via the switch SW10. Control room master unit response detector 2
1. The room unit response detection unit 26 is connected to the communication path circuit 12. The output terminals of the AND circuits 28a, 29, 31 are connected to the control input terminals of the switches SW30, SW20, SW10, respectively.

The control room main unit call detecting unit 25 is provided with a switch SW.
The memory set room number discriminating unit 16 is connected to the memory set room number discriminating unit 16 via the control unit 20.

In the multi-housing intercom apparatus configured as described above, the multi-entry unit 2 is provided with a numeric keypad Ky2.
Is operated to select and call the room units T1, T2,..., Tn and the control room base unit 3, and the called room units T1, T2,.
If the handset HS1 of T2... Tn and the handset HS of the control room master unit 3 are hooked off, the microphone speaker MS can communicate with the handset HS1 and the handset HS. Further, the management room master unit 3 can be called from the living room units T1, T2... Tn by pressing the management room master unit call button Bu, and the management room master unit 3 operates the ten key Ky1 to operate the living room unit T1. , T2... Tn (FIG. 1). The outline of the calling operation in relation to the memory changeover switch SW2 is as follows.

When the memory changeover switch SW2 is OFF, it is possible to call the room units T1, T2,... Tn from the control room master unit 3, and to set the memory by the memory set switch SW1. From the room room units T1, T2,. When the memory changeover switch SW2 is ON, it is possible to call from the control room master unit 3 to the room units T1, T2,... Tn, and to set the memory using the memory set switch SW1. From the room unit T1, T2,. The memory can be called only from the room unit whose memory is set by the set switch SW1 and the memory indicator LED is lit. This operation will be described in more detail below (FIGS. 1 and 2). <1. When the memory changeover switch SW2 is OFF> a: Call from the control room main unit 3 to the room units T1, T2,... Tn The room unit T1, which is desired to be called by the numeric keypad Ky1 of the control room main unit 3,
When the room number of T2,... Tn is inputted, the room unit calling signal is transmitted to the control room main unit CPU → the data transmission / reception circuit 32 → the control room main unit interface (I / F) 30 → line L3 → controller 1.
Is transmitted to the controller CPU via the control room main unit interface (I / F) 11 → data transmission / reception circuit 14.

In the controller CPU, the room unit calling signal is detected by the room unit calling detecting unit 23 (FIG. 2), and the room number discriminating unit 2 is detected.
In step 4, the room unit call data S3 to be called is read from the storage device ROM to check whether or not the room number of the room unit to be called is registered. Is transmitted to the room unit CPU via the data transmission / reception circuit 15 → room unit interface (I / F) 13 → main line L1 → room unit interface (I / F) 40 of the room unit → data transmission / reception circuit 42. If the room unit CPU determines that the room unit call data is for the own station, the room unit CPU sounds a ringing tone from the speaker SP1.

In this case, when the response is not made by the room unit (at the time of absence), the memory set switch SW1 is
Press. When the memory set switch SW1 is pressed, the memory set signal S1 is transmitted to the control room main unit CPU → the data transmission / reception circuit 32 → the control room main unit interface (I / F).
30 → line L3 → control room main unit interface (I / F) 11 of controller 1 → transmitted to controller CPU via data transmission / reception circuit 14. In the controller CPU, the memory set detection unit 20 detects the memory set signal S1. When the memory set signal S1 is detected by the memory set detection unit 20, a memory display lighting signal S4 is transmitted from the memory display lighting unit 28 to the data transmission / reception circuit 15 → room unit interface (I /
F) 13 → Main line L1 → Room unit interface (I / F) 40 of the room unit → Room unit C via the data transmission / reception circuit 42
Send to PU. The room unit CPU receives the memory display lighting signal S
If 4 is determined to be for the own station, the memory indicator LED is turned on.

B: Call from the room units T1, T2,... Tn to the control room base unit 3 Regardless of whether the memory indicator LED is on or off, the management of the room units T1, T2,. When the room main unit call button Bu is pressed, the control room main unit call signal is transmitted to the room unit C.
PU → data transmission / reception circuit 42 → room unit interface (I / F) 40 → room unit interface (I / F) of controller 1
F) 13 → Controller CPU via data transmission / reception circuit 15
Sent to

In the control unit CPU, the control room main unit call signal S5
(The memory changeover switch SW2 is OFF, so that the switching signal S2 is not output, and the inverter 30a and the AND circuit 31 switch the switch SW10).
Is ON), the control room base unit calling signal S5 is transmitted from the control room base unit calling unit 22 to the data transmission / reception circuit 14 → the control room base unit interface (I / F) 11 → the control room base unit interface (I / F).
F) 30 → Data transmission / reception circuit 32 → Send to control room master unit CPU. The control room master unit CPU sounds a ringing tone from the speaker SP. <2. When the memory changeover switch SW2 is ON> a: Call from the control room master unit 3 to the room units T1, T2,... Tn
When the room number of T2,... Tn is input, the room unit call signal is transmitted to the control room main unit CPU → the data transmission / reception circuit 32 → the control room main unit interface (I / F) 30 → line L3 → controller 1.
Is transmitted to the control unit CPU via the control room main unit interface (I / F) 11 → data transmission / reception circuit 14.

In the controller CPU, the room unit call signal is detected by the room unit call detection unit 23 (FIG. 2), and the room number discrimination unit 2 is detected.
In step 4, the room unit call data S3 to be called is read out from the storage device ROM to check whether the room number of the room unit to be called is registered or not. Data transmission / reception circuit 15 → room unit interface (I / F) 13 → main line L1 → room unit interface (I / F) 40 of room unit → data transmission / reception circuit 42
Is sent to the room unit CPU via the. If the room unit CPU determines that the room unit call data is for the own station, the room unit CPU sounds a ringing tone from the speaker SP1.

In this case, when the response is not made by the living room unit (at the time of absence), the memory set switch SW1 is
Press. When the memory set switch SW1 is pressed, the memory set signal S1 is transmitted to the control room main unit CPU → the data transmission / reception circuit 32 → the control room main unit interface (I / F).
30 → line L3 → control room main unit interface (I / F) 11 of controller 1 → transmitted to controller CPU via data transmission / reception circuit 14. In the controller CPU, the memory set signal S1 is detected by the memory set detection section 20, and when the memory changeover switch SW2 is ON, the switch SW30 (the memory changeover switch SW2 is ON,
The AND circuit 28a turns on the switch SW30), and determines the room number of the room unit that is calling via the room number discriminating unit 2.
In step 4, the room unit call data S3 to be called is read from the storage device ROM to check whether or not the room number of the room unit to be called is registered and sent to the memory set room number discriminating circuit 16. Memory set room number discrimination circuit 1
The room number sent to 6 is stored in the memory set storage device RAM.

The memory display lighting signal S4 is transmitted from the memory display lighting section 28 to the data transmission / reception circuit 15 → room unit interface (I / F) 13 → main line L1 → room unit interface (I / F) 40 → room data transmission / reception. It is sent to the room unit CPU via the circuit 42. If the room unit CPU determines that the memory display lighting signal S4 is for its own station, it turns on the memory indicator LED.

B: Call from the room units T1, T2,... Tn to the control room base unit 3 When the memory display lighting LED of the room unit is lit, the control room base unit call button Bu of the room unit is pressed. And the control room main unit call signal S5 is the living room unit CPU → the data transmitting / receiving circuit 42 → the living room interface (I / F) 40 → the controller 1
Is transmitted to the controller CPU via the data transmission / reception circuit 15.

In the control unit CPU, the control room main unit calling signal S5
Is detected by the control room main unit call detection unit 25, and the control room main unit call signal S5 is transmitted from the control room main unit call unit 22, but the memory changeover switch SW2 is turned on and the switch SW10 is turned off by the changeover signal S2. Therefore, the control room main unit calling signal S5 is not sent to the control room main unit calling unit 22.

The control room main unit call signal S5 is sent from the control room main unit call detection unit 25 via a switch SW20 (the switch SW20 is turned on by the AND circuit 29 with the switching signal S2 and the control room main unit call signal S5). It is sent to the memory set room number discrimination circuit 16. Memory set room number discrimination circuit 1
When the control room base unit call signal S5 is input from the control room base unit call detection unit 25, the room number data included in the control room base unit call signal S5 and the living room set in the memory set storage device RAM. The numbers are compared, and if the same room number as the room number data is stored in the memory set storage device RAM, the control room base unit calling signal S5 is sent to the control room base unit calling unit 22.
To send to.

The control room base unit calling signal S5 is sent from the control room base unit calling unit 22 to the data transmission / reception circuit 14 → control room base unit interface (I / F) 11 → control room base unit interface (I
/ F) 30 → data transmission / reception circuit 32 → send to control room master unit CPU. The control room main unit CPU sounds a ringing tone from the speaker SP.

When a call is made from the room unit in this way, a call signal from the room unit of the room number set in the memory set storage device RAM is transmitted to the control room master unit 3,
The calling signal from the room unit of the room number that is not set in the memory set storage device RAM is cut off, and the control room master unit 3 cannot be called from the room unit.

[0037]

As is clear from the above description, according to the multi-family intercom system of the present invention, frequent calls from the living room to the manager are eliminated, so that the burden on the manager is reduced and only necessary calls are made. The rate of going into the middle state is reduced, and it is easier to contact residents who are likely to be away.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of an apartment intercom system according to the present invention.

FIG. 2 is an equivalent functional block diagram of a controller CPU used in the collective housing intercom apparatus according to the present invention.

FIG. 3 is a block diagram of a conventional apartment house intercom device.

[Explanation of symbols]

 T1, T2 ... Tn ... room unit 1 ... control unit 2 ... entrance unit 3 ... control room master unit 16 ... Memory set room number discriminating circuit L1 ... Main line L2, L3 ... Line SW1 ... Memory set switch RAM ... Memory set storage device SW2, SW10, SW20 , SW30 ... switch LED ... memory indicator S1 ... memory set signal S4 ... memory display lighting signal

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-63-161765 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) H04M 9/00-9/10

Claims (1)

(57) [Claims] 1. A plurality of living room units (T1, T2... Tn) are connected to a control unit (1) via a main line (L1), and the control units include a collective entrance unit (2) and a control room base unit ( 3) and the line (L
2, L3), and the control room master unit is provided with a memory set switch (SW1) for setting when there is no response from the called room unit and outputting a memory set signal (S1). The living room unit has a memory indicator (L) which is lit by a memory display lighting signal (S4) based on the memory set signal.
ED), wherein the controller has a memory set storage device (RAM) for storing a room number of the room unit set by the memory set signal from the memory set switch, and a memory when called from the room unit. determine whether room machines not in the memory the set room number to the memory set storage device, wherein
The room number of the room unit is stored in the memory set storage device.
When it is determined that the room machine has the set room number
A memory set room number discrimination circuit (16) for transmitting a call signal from the room unit to the control room master unit; Switch (SW)
30), a switch (SW20) for transmitting the room number of the room unit to the memory set room number discriminating circuit when called from the room unit, and these switches (SW30, SW)
20) Memory operated ON to switch ON
A changeover switch (SW2) and the memory changeover switch
When turned OFF, the call signal from the room unit
Switch that is switched ON to transmit to the master unit
And a switch (SW10) .