JP2001119490A - Energy-saving interphone system for multiple dwelling house - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an interphone system for energy-saving multiple dwelling house that can reduce the power consumption in the standby state. SOLUTION: In the interphone system for energy-saving multiple dwelling house where a central entrance unit 1 or a janitor's room master set 2 is connected to a multiple dwelling house living room interphone 4 via a controller 3 that controls calls and speeches, the multiple dwelling house living room interphone 4 is provided with a start signal detection circuit 4k that receives a start signal to start supply of power sent from the controller via a data trunk line L4 on the occurrence of a call from the central entrance unit 1 or the janitor's room master set 2 and with a power supply control switch 41 that is closed when the start signal detection circuit receives the start signal and supplies power to a transmission circuit 4b, a reception circuit 4c, a transmission circuit 4h and a reception circuit 4i and that is open in the standby state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intercom device for an energy-saving apartment complex, and more particularly to an intercom device for an energy-saving apartment complex which can reduce power consumption during standby.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 2, there has been proposed this type of intercom system for a condominium.

FIG. 2 is a block diagram of a conventional intercom unit for a condominium.

[0004] In FIG. 2, a conventional intercom system for a collective housing includes a collective entrance unit 5 or a control room master unit 6 in an apartment house, and a voice trunk line L5 and a data trunk line L6 connected to the collective entrance unit 5 or control room master unit 6. Calls connected via
The control device 7 includes a control device 7 for controlling a call, and a living room intercom 8 connected to the control device 7 via a voice trunk L7 and a data trunk L8.

[0005] The collective entrance device 5 and the control room master device 6 respectively include a transmission circuit 5b connected in parallel to the voice trunk line L5,
6b and the receiving circuits 5d and 6d, and the transmitting circuits 5g and 6g and the receiving circuit 5 connected in parallel to the data trunk line L6.
h, 6h, transmitting circuits 5b, 6b, receiving circuits 5d, 6
d, call buttons 5f, 6f, control CPUs 5e, 6e connected to transmitting circuits 5g, 6g and receiving circuits 5h, 6h.
And the transmission circuits 5b and 6b have
Microphones 5a and 6a are connected, and receivers 5c and 6c are connected to the receiving circuits 5d and 6d, respectively.

The control device 7 includes a data transmission / reception circuit 7c connected to the data trunk lines L6 and L8, a control CPU 7b connected to the data transmission / reception circuit 7c, and a control CPU 7b.
7b, and a call control circuit 7a connected to the voice trunk lines L5 and L7.

[0007] The intercom 8 for a residential complex includes a power supply circuit 8a, a transmission switch 8f and a reception switch 8g connected in parallel to the voice trunk line L7, and a transmission circuit 8b connected to the transmission switch 8f and the microphone 8d. And a receiving circuit 8c connected to the receiving switch 8g and the receiver 8e.
, A transmission circuit 8h and a reception circuit 8i connected in parallel to the data trunk line L8, and a control CPU 8j connected to the transmission circuit 8h, the reception circuit 8i and the ringing tone generation circuit 8m. Transmission circuit 8b, reception circuit 8
c, a transmission circuit 8h, a reception circuit 8i, and a control CPU 8j, and a speaker 8n is connected to the ringing tone generation circuit 8m.

[0008] Next, the operation of the conventional intercom apparatus for a condominium thus constructed will be described.

First, when the call button 5f on the collective entrance 5 is depressed, call data is output from the control CPU 5e. After the call data is FM-modulated by the transmission circuit 5g, the data transmission / reception circuit is transmitted via the data trunk line L6. 7c, and the data transmission / reception circuit 7c demodulates the FM signal. The demodulated calling data is transmitted to the control CPU 7b.
Is detected, the communication control circuit 7a is controlled to form a communication path with the collective entrance device 5, and the control CPU
The call data is output from 7b. This call data is
After being FM-modulated by the data transmission / reception circuit 7c, the data is input to the reception circuit 8i of the intercom 8 for the dwelling unit via the data trunk line L8 and demodulated by the reception circuit 8i.

On the other hand, the demodulated calling data is transmitted to the control CPU.
When detected at 8j, the ringing tone generation circuit 8m is controlled, the speaker 8n sounds, and it is notified that there is a call from the collective entrance machine 5. At the same time, the transmission switch 8f and the reception switch 8g are closed, and response data is output from the control CPU 8j. This response data is FM-modulated by the transmission circuit 8h, and then the data trunk L
8. Via the data transmission / reception circuit 7c of the control device 7 and the data trunk line L6, the data is input to the reception circuit 5h of the collective entrance apparatus 5 on the side where the call button 5f is pressed.

Then, the demodulated response data is transmitted to the control CP.
When detected by U7b, the transmission circuit 5b and the reception circuit 5d of the collective entrance machine 5 and the transmission circuit 8b and the reception circuit 8c of the intercom 8 for the dwelling unit are connected via the communication control circuit 7a of the control device 7. As a result, a communication path is formed, so that the collective entrance apparatus 5 and the apartment room intercom 8 can transmit and receive signals via the control device 7.

Similarly, when the call button 6f of the control room master unit 6 is depressed, the transmission circuit 6b and the reception circuit 6d of the control room master unit 6 and the transmission circuit 8b and the reception line of the intercom 8 for the dwelling unit of the apartment house are pressed. A communication path is formed with the circuit 8c via the communication control circuit 7a of the control device 7, and transmission and reception between the control room master unit 6 and the intercom 8 for the apartment complex becomes possible.

[0013]

However, in a conventional intercom system for a condominium, a transmitting circuit and a receiving circuit for talking and a transmitting circuit and a receiving circuit for data transmission are connected to a power supply circuit as needed. Therefore, there is a drawback that power is constantly consumed even when a call or data transmission is not performed.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned difficulties. A switch is provided at a power output unit of an intercom unit for a condominium, and the switch is closed only during a telephone call or data transmission, so that a standby state can be obtained. It is an object of the present invention to provide an intercom device for an energy-saving apartment house that can reduce the power consumption of the home.

[0015]

In order to achieve the above object, an intercom system for an energy-saving collective housing according to the present invention controls a collective entrance unit or a control room main unit via a control unit for controlling calling and talking. The intercom intercom intercom is connected to the multi-dwelling unit intercom via a control unit, and the transmitting and receiving circuit for transmitting and receiving the inter-exchange signal to and from the multi-entry unit or the control room master unit via the control unit. Switch for outputting to the voice trunk to the control device via the controller, a receiver switch for inputting a reception signal from the voice trunk to the receiver circuit, a transmission switch, a control CPU for controlling the receiver switch, and data from the control CPU. Circuit for outputting data from the data trunk to the control device, a receiving circuit for inputting data from the data trunk to the control CPU, a transmitting circuit, a receiving circuit, a transmitting circuit, and a receiving circuit An energy-saving apartment intercom system having a power supply circuit for supplying power, wherein the apartment dwelling room intercom is provided with a power supply transmitted from the control device via the data trunk when a call is made from the entrance hall or the control room base unit. A start signal detection circuit that receives a start signal for starting supply, and a transmission circuit, a reception circuit, a transmission circuit that is closed when the start signal is received by the start signal detection circuit,
A power supply control switch that supplies power to the receiving circuit and is opened during standby. According to such an intercom unit for energy-saving apartments, the power supply to the transmitting and receiving circuits for communication and the transmitting and receiving circuits for data transmission is stopped during standby, and the start signal from the control device is stopped. Is detected, and the power supply is started by closing a switch for opening and closing the power supply circuit, so that power consumption during standby can be reduced and energy can be saved.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment to which the intercom device for an energy-saving apartment house of the present invention is applied will be described below with reference to the drawings.

FIG. 1 is a block diagram showing one embodiment of an intercom apparatus for an energy-saving apartment house according to the present invention.

Referring to FIG. 1, an intercom apparatus for an energy-saving apartment house according to the present invention comprises a collective entrance unit 1 or a control room base unit 2 in a collective housing, and a voice trunk line L1 and data A control device 3 connected to the control device 3 via the main line L2 for controlling calling and talking, and a control room 3 for the apartment house connected to the control device 3 via the voice main line L3 and the data main line L4. It is configured.

Each of the collective entrance device 1 and the control room master device 2 includes a transmission circuit 1b connected in parallel to the voice trunk line L1,
2b and receiving circuits 1d and 2d, and transmitting circuits 1g and 2g and a receiving circuit 1 connected in parallel to the data trunk line L2.
h, 2h, the transmitting circuits 1b, 2b, the receiving circuits 1d, 2
d, call buttons 1f, 2f, control CPUs 1e, 2e connected to transmitting circuits 1g, 1g and receiving circuits 1h, 2h.
The transmission circuits 1b and 2b have
Microphones 1a and 2a are connected, and receivers 1c and 2c are connected to the receiving circuits 1d and 2d, respectively.

The control device 3 includes a data transmission / reception circuit 3c connected to the data trunk lines L2 and L4, a control CPU 3b connected to the data transmission / reception circuit 3c,
3b, and a call control circuit 3a connected to the voice trunk lines L1, L3.

The apartment room intercom 4 includes a power supply circuit 4a, a transmitting switch 4f and a receiving switch 4g connected in parallel to the voice trunk line L3, and a transmitting circuit 4b connected to the transmitting switch 4f and the microphone 4d. And a receiving circuit 4c connected to the receiving switch 4g and the receiver 4e.
And a transmission circuit 4h connected in parallel to the data trunk line L4,
The control circuit includes a reception circuit 4i and a start signal detection circuit 4k, a transmission circuit 4h, a reception circuit 4i, a transmission switch 4f, a reception switch 4g, a ringing tone generation circuit 4m, and a control CPU 4j connected to the power supply circuit 4a. The circuit 4a is
The transmission circuit 4b and the reception circuit 4c are connected to the transmission circuit 4h and the reception circuit 4i via the activation signal detection circuit 4k via the power supply control switch 41, and the speaker 4n is connected to the ringing tone generation circuit 4m. ing.

Next, the operation of the thus-configured intercom apparatus for energy-saving apartment house of the present invention will be described.

First, in the standby state, the power supply circuit 4a
, Power is supplied to the control CPU 4j and the activation signal detection circuit 4k.

Thus, the call button 1f of the collective entrance machine 1
Is pressed, the calling data is output from the control CPU 1e. The calling data is FM-modulated by the transmitting circuit 1g, and then input to the data transmitting / receiving circuit 3c of the control device 3 via the data trunk line L2. Demodulated at 3c. Then, the demodulated call data is transmitted to the control CPU 3.
When detected at b, the call control circuit 3a is controlled, and a call path is formed with the collective entrance device 1. At the same time, a start signal is output from the control CPU 3b, and the start signal is added before the call data, and after being subjected to FM modulation, is input to the intercom 4 for the dwelling unit via the data trunk line L4.

On the other hand, the intercom 4 for the apartment complex
When the start signal added before the call data is detected by the start signal detection circuit 4k, the power supply control switch 41 is closed, and power is supplied to the reception circuit 4i, the transmission circuit 4h, the transmission circuit 4b, and the reception circuit 4c. Supply. As a result, the calling signal sent from the control device 3 via the data trunk line L4 is received by the receiving circuit 4i supplied with power,
After being demodulated, it is input to the control CPU 4j.

The demodulated call data is transmitted to the control CP
When detected at U4j, the ringing tone generation circuit 4m is controlled, the speaker 4n sounds, and it is notified that there is a call from the collective entrance machine 1. At the same time, the transmission switch 4f and the reception switch 4g are closed, and at the same time, response data is output from the control CPU 4j. This response data is FM-modulated by the transmission circuit 4h, and then the data trunk L
4. Via the data transmission / reception circuit 3c of the control device 3 and the data trunk line L2, the data is input to the reception circuit 1h of the collective entrance apparatus 1 on the side where the call button 1f is pressed. When the response data demodulated by the receiving circuit 1h is detected by the control CPU 1e, the transmitting circuit 1b and the receiving circuit 1d of the collective entrance unit 1 and the transmitting circuit 4d of the intercom 4 for the apartment house.
b and the receiving circuit 4c are the communication control circuit 3 of the control device 3.
A communication path is formed via a, so that the collective entrance apparatus 1 and the living room intercom 4 for the collective housing can transmit and receive via the control device 3.

Similarly, when the call button 2f of the control room master device 2 is pressed, the transmission circuit 2b and the reception circuit 2d of the control room master device 2 and the transmission circuit 4b and the reception circuit of the intercom 4 for the dwelling unit of the apartment house are pressed. With the circuit 4c, a communication path is formed via a communication control circuit 3a of the control device 3, and transmission and reception between the control room master unit 2 and the intercom 4 for the apartment complex becomes possible.

Here, the transmission signal from the intercom 4 for the apartment complex is transmitted from the microphone 4d to the transmission circuit 4b, the closed transmission switch 4f, the voice trunk L3, the speech control circuit 3a of the control device 3, and the voice trunk L1. And is output to the receivers 1c and 2c via the reception circuits 1d and 2d of the collective entrance device 1 or the control room master device 2. In addition, collective entrance machine 1
Alternatively, the reception signal from the control room master unit 2 is
a, transmission circuits 1b and 2b, voice trunk line L1, control device 3
Closed switch 4 of the apartment room intercom 4 via the call control circuit 3a and the voice trunk line L3.
g and the receiver 4e via the receiver circuit 4c.

On the other hand, the intercom 4 for the apartment complex
At the end of the call, under the control of the control CPU 4j, the power supply control switch 41 is opened to cut off the supply of power to the transmission circuit 4b, the reception circuit 4c, the transmission circuit 4h, and the reception circuit 4i.

In the above-described embodiment, as an example of data transmission, call data and response data are FM-modulated and demodulated and transmitted to the data trunk, but the data transmission method does not hinder other data transmission methods. Not FM modulation
Instead of demodulation, the call data and the response data may be sent to the data trunk as they are.

[0031]

As is apparent from the above description, according to the intercom system for an energy-saving apartment house of the present invention,
Power is supplied to the transmission / reception circuit and transmission / reception circuit inside the intercom intercom intercom unit only when there is a call from the main entrance unit or the main unit in the control room, and the power supply is stopped during standby. Therefore, power consumption during standby can be reduced, and energy can be saved.

[Brief description of the drawings]

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

FIG. 2 is a block diagram showing a conventional intercom apparatus for a condominium.

[Explanation of symbols]

 1 ····················································· Control device 4 ···················································· Speaking Circuit 4c ... Reception circuit 4f ... Transmission switch 4g ... Reception switch 4h ... Transmission circuit 4i ... Reception circuit 4j ... Control CPU 4k ... Start signal detection circuit 41 ... Power supply control switch L3: Voice trunk L4: Data trunk

Claims (1)

[Claims] 1. A collective entrance machine (1) or a control room master device (2)
Is connected to the apartment dwelling room intercom (4) via a control device (3) for controlling call / call, and the apartment dwelling room intercom is connected to the apartment hall or the control room parent via the control device. A transmitting and receiving circuit (4b) and a receiving circuit (4c) for transmitting and receiving a transmitting and receiving signal to and from a transmitter, and transmitting a transmitting signal to the control device via the transmitting circuit to the control device (L3)
A transmitting switch (4f) for outputting to the receiving circuit a receiving signal from the main voice line, a receiving switch (4g), the transmitting switch, and a control CPU (4j) for controlling the receiving switch; A transmitting circuit (4h) for outputting data from the control CPU to a data trunk (L4) to the control device, a receiving circuit (4i) for inputting data from the data trunk to the control CPU, the transmitting circuit, An intercom apparatus for an energy-saving apartment house having a power supply circuit (4a) for supplying power to a reception circuit, the transmission circuit, and the reception circuit, wherein the apartment house intercom is provided from the entrance door unit or the control room base unit. Start signal detection for receiving a start signal for starting the supply of the power transmitted from the control device via the data trunk at the time of calling Circuit (4
k) a power supply that is closed when an activation signal is received by the activation signal detection circuit and supplies power to the transmission circuit, the reception circuit, the transmission circuit, and the reception circuit, and is opened during standby; An intercom device for an energy-saving apartment complex, comprising: a control switch (41).