JP2007235219A - Interphone system for collective housing - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an interphone system for collective housing which saves the number of lines, by reducing the number of wirings of communication paths between each of housing adaptors and a living-room master set by switching communication paths using the housing adaptor. <P>SOLUTION: The system is provided with a plurality of collective entrance units 1 to be installed at the entrance of a collective housing; a plurality of living-room master units 3 for establishing calls through the plurality of housing adaptors 7; a management office master unit 5; and a controller 2. The controller is provided with channel-selecting sections 24, 25 for selecting a call channel, in response to a call from any one of the collective entrance sets and the management office master unit. The living-room master set is provided with a living-room master set CPU 41 for generating a channel switching signal to be transmitted to the housing adaptor, based on the channel selecting signal from the controller. The housing adaptor is provided with switching sections SW1, SW2 for switching the collective entrance unit or the management office master set and the living-room master unit to a selected call channel, when receiving the channel switching signal, and forming a call path between the collective entrance unit or the management office master set and the sitting-room master set. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an apartment intercom system, and in particular, it is possible to reduce the number of wires between a dwelling unit adapter and a living room parent unit for connecting between a living room master unit and a control unit in an apartment housing intercom system with video, thereby reducing the number of wires. The present invention relates to a collective housing intercom system.

  In an apartment intercom system, for example, when forming a communication path between a living room base unit and a management room base unit or a collective entrance machine, a communication path is used when calling with the control room base unit and when calling with a collective entrance unit. However, conventionally, switching of the communication path has been performed by the parent room (see, for example, Patent Document 1).

  In the intercom system disclosed in Patent Literature 1, when a communication path is formed between a parent device and a plurality of child devices, a channel selection switch detection circuit that sends a child device signal corresponding to each child device in the parent device Is provided. That is, the communication path is switched in the master unit, and this is exactly the same in the multi-family intercom system. The multi-unit entrance unit and the control room base unit in the multi-family intercom system are used as a plurality of slave units in Patent Document 1. Equivalent to.

Japanese Utility Model Publication No. 7-42256

  As in the above conventional example, when a communication path is formed between a living room base unit and a collective entrance or management room base unit, the communication path is switched on the side of the living room base unit. In intercom systems, video intercom systems are becoming standard equipment.

  In an intercom system with video in an apartment house, a dwelling unit adapter is used as a video device. However, when an interphone system with an image is adopted in a conventional apartment house intercom system, Since the wiring of the dwelling unit adapter is also required in addition to the wiring, the number of wirings between the dwelling unit adapter and the living room master unit has been increased.

  The present invention has been made to solve the above-mentioned problems, and since the intercom system with video is widespread and becomes a standard equipment, the dwelling unit adapter becomes indispensable, so the call path is switched by the dwelling unit adapter. Thus, it aims at providing the collective housing intercom system which can reduce the number of wiring of the communication path between a dwelling unit adapter and a living room main unit, and can reduce a line.

  As a first aspect, the apartment house intercom system according to the present invention has a collective entrance machine installed at the entrance of the apartment house and a call made from the collective entrance machine installed in each dwelling unit of the apartment house via the dwelling unit adapter. And a controller for controlling each of the collective entrance machine and the private room master unit, and the controller selects a channel for calling by calling from the collective entrance machine. The room base unit includes a room base unit CPU that generates a channel switching signal to be transmitted to the dwelling unit adapter in response to a channel selection signal from the controller, and the dwelling unit adapter receives the channel switching signal and the collective entrance unit and the room. It has a switching part for switching the master unit to the selected communication channel and forming a communication path between the collective entrance unit and the room master unit. To.

  In addition, as a second aspect, the apartment house intercom system of the present invention is a collective entrance machine installed at the entrance of the apartment house, and is called from the collective entrance machine installed in each residence unit of the apartment house via a dwelling unit adapter. And a control room base unit that is installed in the control room of the apartment house and is called by the collective entrance and the base unit, respectively, or by calling the home base unit to establish a call. A control unit for controlling each of the central entrance unit, the living room base unit, and the management room base unit, and the control unit selects a call channel by calling from either the central entrance unit or the management room base unit The room master unit includes a room master CPU that generates a channel switching signal to be transmitted to the dwelling unit adapter by a channel selection signal from the controller. When a channel switching signal is received, the dwelling unit adapter switches the collective entrance unit or the control room base unit and the base unit to the selected call channel and makes a call between the collective entrance unit or the control room base unit and the base unit. It has the switching part for forming a path, It is characterized by the above-mentioned.

  Furthermore, the apartment house intercom system of the present invention is characterized in that, as a third aspect, in the first or second aspect, the channel switching signal performs communication using a signal that changes a pulse width.

  Moreover, the apartment house intercom system of the present invention is characterized in that, as a fourth form, in the first or second form, the channel switching signal communicates by serial communication.

  Furthermore, in the housing complex intercom system of the present invention, as a fifth form, in the first or second form, the channel switching signal is capable of pulse counting, and operates according to the number of pulses. Features.

  According to the first aspect of the collective housing intercom system of the present invention, in the call between the collective entrance machine and the living room master unit, the communication path is switched by the dwelling unit adapter, so that the dwell unit adapter and the living room base unit are connected. The number of wirings can be reduced.

  Moreover, according to the 2nd aspect of the apartment house intercom system of this invention, since it has comprised so that a communication path may be switched with a dwelling unit adapter in the telephone call of a collective entrance machine or a management room main | base station, and a living room main | base station, The number of wires between the adapter and the room master can be reduced.

  Further, according to the third to fifth aspects of the apartment house intercom system of the present invention, the channel switching signal can be changed in pulse width, communicated by serial communication, or pulse-countable. Thus, since the operation is performed according to the number of pulses, complicated information can be transmitted, and the most suitable communication method can be selected according to the purpose.

  Hereinafter, a preferred embodiment to which an apartment intercom system according to the present invention is applied will be described with reference to the drawings.

  As shown in FIG. 1, the collective housing intercom system according to the present invention includes a collective entrance machine 1, a controller 2, a living room parent machine 3, a management room parent machine 5, and a dwelling unit adapter 7 corresponding to the living room parent machine 3. It is composed of

  Here, the collective entrance machine 1 is installed at the entrance, and a visitor has a function of calling a resident in the dwelling unit or a manager in the control room to make a call, and the base unit 3 enters the collective house. It has a function to make a call with a visitor or a manager in the management room. The management room base unit 5 is installed in the management room of the apartment house, and has a function of making a call by a manager who has confirmed a call from a visitor or a resident. The collective entrance machine 1 and the management room master unit 5 are connected to the control unit 2 and the living room base unit 3 is connected via a dwelling unit adapter 7, and the control unit 2 connects each transmission line. The collective entrance machine 1, the living room parent machine 3, the management room parent machine 5 and the like which are connected via the above are controlled.

  In each terminal as described above, the living room master unit 3, the dwelling unit adapter 7, and the control unit 2 are configured as shown in FIGS. Hereinafter, the configuration and connection relationship of each terminal will be described.

  As shown in FIG. 2, the room master unit 3 includes a demodulation circuit 31, a monitor 32, a call circuit 33, a speaker 34, a microphone 35, a recording memory 36, a recording memory 37, an operation means 38, a notification LED 39, a room host unit interface (IF 40) and the room master unit CPU 41.

  In FIG. 2, a demodulator circuit 31, a call circuit 33, a recording memory 36, a recording memory 37, an operation means 38 and a notification LED 39 are connected to the living room master CPU 41, and a speaker 34 and a microphone 35 are connected to the call circuit 33. A monitor 32 is connected to the demodulation circuit 31. The room base unit CPU 41, the demodulation circuit 31, and the call circuit 33 are connected to the room base unit IF 40, and the call / video signal transmission line, the call / response signal transmission line, and the channel switching signal transmission line are connected via the room base unit IF 40. Is connected to the dwelling unit adapter 7.

  Further, as shown in FIG. 3, the dwelling unit adapter 7 includes call / video signal transmission lines L1 and L2 and a call / response signal transmission line L3 for the central entrance unit 1, the management room base unit 5, and is connected to L1 and L2. Has switching switches SW1 and SW2 for connecting to each room base unit 3 as switching units.

  Further, as shown in FIG. 4, the controller 2 includes data IFs 21 and 22, a channel switching unit 24 as a channel selection unit, and a controller CPU 25. The controller CPU 25 includes the data IFs 21 and 22 and the channel switching unit 24. The data IFs 21 and 22 and the channel switching unit 24 are connected to the dwelling unit adapter, the collective entrance unit, and the management room base unit, respectively.

  The operation of the thus constructed multi-dwelling house intercom system of the present invention will be described below.

  In the present embodiment, the call signal transmission line and the video signal transmission line are common lines, and are described as having two call paths (channels) as an example.

  In addition, operations such as calling a visitor, calling, and unlocking an automatic door in normal times are the same as those in the prior art, and thus description thereof is omitted.

  First, when a visitor inputs a room number in the collective entrance 1 to call a resident and performs a call operation, a call signal to which the room ID is added is received by the controller CPU 25 of the controller 2. As a result, the controller CPU 25 checks the availability of the call channel and, if it is available, controls the channel (CH) switching unit 24 to select a channel.

  Further, the calling signal is transmitted to the living room base unit 3 via the dwelling unit adapter 7, and the living room base unit 3 compares the room ID added to the calling signal in the living room base unit CPU 41 with the own room ID.

  When the room ID of the calling signal matches the room ID, the room master unit CPU 41 controls the dwelling unit adapter 7 to form a communication path with the channel selected by the controller 2 under the control of the controller 2. Send a channel control signal. Thereby, in the dwelling unit adapter 7, the switching SW1 is turned on (assuming that CH1 is selected in the present embodiment), and a communication path between the collective entrance machine 1 and the room base unit 3 is formed. As a result, the visitor can make a call with the resident.

  Next, when the call is finished, the controller CPU 25 of the controller 2 opens the channel switching unit 24 and transmits a signal for turning off the switch SW1 to the living room master unit 3. In response to this signal, the room master unit 3 opens the switch SW1 of the dwelling unit adapter 7 under the control of the room host unit CPU 41 to end the call.

  The present invention is not limited to the above embodiment. That is, in the above-described embodiment, the call between the collective entrance machine and the living room parent machine has been described, but the call between the management room parent machine and the living room parent machine operates in the same manner. In addition, even when calling the management room base unit from the living room base unit, it is necessary to specify the call channel to be used and control the dwelling unit adapter switch, so it operates according to the control of the control unit. become.

  Further, in the present embodiment, only the switching of the communication path has been described. However, since the video uses the same line, the video path can be switched by the same operation.

  Note that a relay switch or the like can be used as a specific example of the changeover switch. The channel switching signal is the most suitable communication method according to the purpose, such as changing the pulse width, communicating by serial communication, or capable of pulse counting and operating according to the number of pulses. Can be selected. Furthermore, the number of CHs is not limited to 2, and a large number of CHs can be installed.

  As described above, in the apartment house intercom system of the present invention, especially in the case of an apartment house intercom system with video, the communication path is switched by the dwelling unit adapter. The number can be drastically reduced and wire saving can be achieved.

It is an apparatus block diagram explaining one Embodiment of the collective intercom system of this invention. It is a block diagram of a living room main unit among the equipment composition of one embodiment of the collective intercom system of the present invention. It is a figure showing the connection relation of the dwelling unit adapter among the apparatus structures of one Embodiment of the collective intercom system of this invention. It is a block diagram of a control machine among apparatus composition of one embodiment of a collective intercom system of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Collective entrance machine 2 Controller 3 Living room main | base station 5 Management room main | base station 7 Dwelling unit adapter 24 Channel switching part 25 Controller CPU
41 Office master CPU

Claims (5)

Collective entrance machine (1, 1,...) Installed at the entrance of the apartment house, and a dwelling unit adapter (7, 7,...) Installed in each residence unit of the apartment house and called from the collective entrance machine. And a controller (2) for controlling the collective entrance machine and the living room master respectively.
The controller includes a channel selection unit (24, 25) for selecting a call channel by calling from the central entrance.
The living room parent device includes a living room parent device CPU (41) that generates a channel switching signal to be transmitted to the dwelling unit adapter according to a channel selection signal from the controller.
The dwelling unit adapter is configured to form a communication path between the collective entrance unit and the living room base unit by switching the collective entrance unit and the living room base unit to a selected call channel when receiving the channel switching signal. A collective housing intercom system comprising a switching unit (SW1, SW2). Collective entrance machine (1, 1,...) Installed at the entrance of the apartment house, and a dwelling unit adapter (7, 7,...) Installed in each residence unit of the apartment house and called from the collective entrance machine. , A room parent unit (3, 3,...) For establishing a call, and a call placed from the collective entrance unit and the room parent unit installed in the management room of the apartment house, or the room parent unit A management room base unit (5) for calling the machine to establish a call, and a control unit (2) for controlling the collective entrance unit, the living room base unit and the management room base unit, respectively,
The controller includes a channel selection unit (24, 25) for selecting a call channel by calling from either the collective entrance machine or the management room master unit,
The living room parent device includes a living room parent device CPU (41) that generates a channel switching signal to be transmitted to the dwelling unit adapter according to a channel selection signal from the controller.
When the dwell unit adapter receives the channel switching signal, the dwelling unit adapter or the management room base unit and the living room base unit are switched to the selected call channel to switch the collective entrance unit or the management room base unit and the A multi-dwelling house intercom system comprising a switching unit (SW1, SW2) for forming a communication path between living room base units.   The interphone system according to claim 1 or 2, wherein the channel switching signal performs communication using a signal that changes a pulse width.   The interphone system according to claim 1 or 2, wherein the channel switching signal communicates by serial communication. 3. The interphone system according to claim 1, wherein the channel switching signal is capable of pulse counting and operates according to the number of pulses.

Images