JPS643419B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a communication device for an apartment complex.

[Background technology]

In general, this type of communication device for apartment complexes is as shown in Figure 1, and consists of a terminal device 1 installed in each dwelling unit, each with its own unique address, and a terminal device 1 installed in the manager's room or entrance lobby. a central calling device 2a having a calling operation unit for setting a dwelling unit to be called;
2b with signal line 3, central paging device 2
A transmission signal V _S consisting of an address signal for calling the terminal device 1 of the called dwelling unit from a, 2b and a control signal for controlling the connection of the talking device 4 of the dwelling unit to the communication line 5.
is transmitted via the signal line 3, and a return signal _VB consisting of a confirmation signal indicating the connection status of the communication device 4 to the communication line 5 is transmitted from the called terminal 1 to the central calling devices 2a, 2b via the control line 3. It was supposed to be sent back via . By the way, in such a conventional example, in order to enable connection of a large number of terminal devices 1, a large number of unique addresses are prepared for the terminal device 1 of each dwelling unit, and from among these unique addresses, the number of dwelling units and the number of floors can be determined. Depending on the situation, an appropriate unique address is selected and set in the terminal device 1 of each dwelling unit. In this case, there will also be unique addresses that have not been set, but in the conventional example, it has been possible to send the transmission signal _VS even to these unique addresses that have not been set. Therefore, if a unique address that has not been set is entered by mistake, there is a problem that the transmission signal V _S will be sent to that unique address, resulting in unnecessary transmission. However, since the return signal _VB was not returned, there was a problem in that it was recognized as a transmission error even though it was an erroneous operation.

[Purpose of the invention]

The present invention has been made in view of the above points, and its purpose is to eliminate the sending of unnecessary transmission signals due to erroneous operation, and to provide a communication system for apartment complexes in which erroneous operation is not mistakenly recognized as a transmission error. The goal is to provide equipment.

[Disclosure of the invention]

(Configuration) FIG. 2 is a block diagram showing the configuration of the present invention, and reference numeral 6 denotes initializing means for sequentially transmitting a control signal to disconnect the communication device 4 from the communication line 5 to all unique addresses that can be set. , 7 is a dwelling unit address registration means for registering, as a dwelling unit address, a unique address from which a confirmation signal has been returned among all the unique addresses; 8 is a transmission blocking means for blocking the transmission of a transmission signal to a unique address other than the above dwelling unit address;
9 forms a transmission signal V _S based on the output of the initializing means 6 or the output of a calling operation section (not shown) and sends it to the signal line 3, and also receives a return signal V _B received via the signal line 3. It is a means of transmission. However, the overall configuration and operation are the same as those of the conventional example. Note that a commercial power supply line may be used as the signal line 3, and in this case, the transmission signal V _S and the return signal V _B , which are high-frequency signals, are transmitted superimposed on the commercial power supply. Further, the initializing means 6 is adapted to operate when the power is turned on.

FIG. 3 is a flowchart showing the initialization process of the central paging device 2a. In the case where the hot start is not performed or when the hot start is performed and there is a request for initialization from the central paging device 2b, the initialization process is performed by the initializing means 6. A start signal is transmitted, and after this transmission, sequential access is made from the first unique address to the last unique address of all unique addresses used in the system, and it is determined whether a confirmation signal is returned for each access to each unique address. It is. In other words, a control signal for disconnecting the communication device 4 from the communication line 5 is sequentially sent from the transmission means 9 to the signal line 3 for each of all the unique addresses that can be set. The reason why the control signal to cancel the connection is sent is because a latching relay is used to connect the communication line 5 and the communication device 4, so when a power outage occurs, the previous operating state, for example, the on state, is maintained in the on state. Alternatively, it may be turned on by an external mechanical shock during transportation. Now, each terminal device 1 receives a transmission signal having an address signal that matches its own unique address, controls a call control relay with the control signal of the transmission signal, turns off the relay contact, and turns off the communication line of the communication device 4. At the same time, a confirmation signal indicating the connection state of the communication device 4 to the communication line 5 is sent to the signal line 3 as a return signal _VB . Next, in the transmission means 9 of the central paging device 2a,
The presence or absence of a return signal _VB is checked, and if a confirmation signal for the transmitted control signal is returned, the unique address is registered as a dwelling unit address in the dwelling unit address registration means 7 consisting of RAM. In other words, unique addresses for which no confirmation signal is returned are removed as useless unique addresses that are not set on the terminal device 1 of the dwelling unit, and only the unique addresses corresponding to the terminal device 1 of each dwelling unit are used as the dwelling unit addresses necessary for calling the dwelling unit. That's why you need to register it. After transmitting the transmission signal V _S to all the unique addresses and checking the return signal V _B in this way, the initialization end signal is sent to end the initialization process. FIG. 4 is a flowchart showing the initialization process of the central paging device 2b. If it is not a hot start, the presence or absence of an initialization start signal from the central paging device 2a is checked, and the initialization start signal is received. At this time, the presence or absence of the return signal _VB is checked and the dwelling unit address is registered in the dwelling unit address registration means 7, and the initialization process is terminated when the initialization end signal is received. On the other hand, in the case of a hot start, an initialization request signal is sent to start the initialization process of the central paging device 2a, and the above-mentioned dwelling unit address registration process is performed by receiving the initialization start signal. Become. Note that the determination of whether or not to perform a hot start is made depending on whether the circuit power supply has dropped below the voltage that would destroy memory data.In the case of a momentary power outage that can be backed up, a hot start is
In the case of a relatively long power outage, a cold start will occur.

Next, the transmission blocking means 8 controls the transmission of the transmission signal V _S based on the dwelling unit address set in the dwelling unit address setting means 7, and if the calling operation section is erroneously operated, the transmission signal V S is sent to a unique address other than the dwelling unit address. In contrast, the transmission signal V _S is prevented from being sent out. Therefore, an unnecessary transmission signal V _S is not sent to a unique address that has not been set, and an erroneous operation is not mistakenly recognized as a transmission error. Note that a display means may be provided to display that the calling operation unit has been operated incorrectly.

(Example) Figure 5 shows an example of the present invention.
This is a monitoring and communication device for apartment complexes with an added crime prevention monitoring function. Entrance lobby unit A has an intercom 10 equipped with a handset, a display section 11 that displays key input, an electric lock unlocking section 12 that unlocks the electric lock on the entrance door, and a key that inputs the housing unit number or password. Input section 13, logic circuit sections 14 and 15,
The connection control section 16 connects the intercom 10 to the telephone line 5, and the logic circuit section 14 generates a transmission signal V _S based on the key-input residential unit number, and transmits the transmission signal V S to the entrance lobby unit 1. Modulation and demodulation section 1 that receives _S and return signal V _B
7 and a constant voltage circuit section 18,
It also has the function of the central paging device 2b. The control room unit B has an intercom 20 and a display/operation unit 21 for displaying abnormality information, calling the residence or entrance lobby, and unlocking electric locks.
, an electric lock unlocking output section 22, an alarm buzzer 23 that notifies input of abnormality information, and logic circuit sections 24, 2.
5, transfer contact output section 26, and connection control section 27
, a modulation/demodulation section 28, a constant voltage circuit section 29, a block filter BF, a power transformer TR, and a power filter F, and also has the function of the central paging device 2a. The dwelling unit C includes a terminal device 1, an intercom 30, a dwelling unit information board 1a having various sensors, and an entrance device 1 which is comprised of an intercom slave device installed at the entrance of the dwelling unit.
The terminal device 1 is formed by a modem section 31, a logic circuit section 32, an address setting section 33, a monitoring input section 34, and a connection control section 35. In the figure, 39 is an unlock button for unlocking the entrance door, and 3a is an unlock signal line for transmitting an unlock signal.

Next, the operation will be specifically explained. now,
A visitor enters the key input section 13 of the entrance lobby unit A.
When you input the housing unit number of the destination you are visiting, a transmission signal V _S that transmits address data and control data to call the housing unit C of that housing unit number is sent to logic circuit section 1.
4 and 15, and is sent to the control line 3 via the modulation/demodulation section 17. If a non-existing dwelling unit number is entered by mistake here, that is, if the transmission signal V _S is attempted to be sent to a unique address that is not registered in the dwelling unit address setting means 7,
The transmission blocking means 8 operates to block the transmission of the viewing signal V _S and displays a message to that effect on the display unit 11 . Note that the logic circuit section 14 is provided with a correspondence table that associates residential unit numbers and unique addresses. This transmission signal V _S is received and demodulated by the modulation/demodulation section 31 of each dwelling unit C via the control line 3.
In the logic circuit section 32, it is determined whether the address data corresponds to the address call signal from the address setting section 33, and when an address match is obtained, the connection control section 35 is driven based on the control data and the relay of the connection control relay is activated. The contact is turned on, and the intercom 30 is connected to the communication line 5. Also, the connection control contact is turned on in the connection control section 16 of the entrance lobby unit A, and the intercom 10 of the entrance lobby unit A and the intercom 30 of the dwelling unit C are connected to each other. Connection is made via line 5, and intercom calls are made. When the resident of the dwelling unit approves the visit of a visitor, he operates the unlock button 39 and sends an unlock signal for the entrance door to the unlock signal line 3a. When the entrance lobby unit A receives the unlocking signal, it outputs an unlocking output signal for unlocking the electric lock of the entrance door from the electric lock unlocking section 12 for a certain period of time, and automatically opens and closes the entrance door. Next, when the resident opens the front door when returning home, he or she enters a predetermined password using the key input section 13, and the logic circuit section 14 checks whether the password matches. The electric lock will be unlocked. Note that the operation is similar to that described above when calling the management room unit B from the entrance lobby unit A and talking to the manager via intercom, or when unlocking from the management room M. On the other hand, when calling the housing unit C from the management room unit B and making an intercom call, the housing unit number is input using the input keys on the display operation unit 21, and the logic circuit units 24 and 25 form a transmission signal. If you want to call the management room unit B from the housing unit C and use the intercom, operate the management room call button (not shown) provided on the housing unit information board 1a of the housing unit C. The calling signal may be generated in the logic circuit section 32.

On the other hand, abnormality information due to activation of fire sensors, gas leak sensors, emergency call switches, etc. in each dwelling unit is output as a contact signal from the dwelling unit information board 1a, and is sent to the logic circuit section via the monitoring input section 34 of the terminal device 1. 32, an abnormality information signal in a predetermined format is formed, and is sent to the control line 3 via the modulation/demodulation section 31. In the control room unit B, this abnormality information signal is received and demodulated by the modulation/demodulation section 28, and the abnormality information is identified by the logic circuit sections 24 and 25 and displayed on the display/operation section 21, and the transfer contact output section 26 is driven. An alarm buzzer 23 is sounded to notify the occurrence of an abnormality. The transmission signal V _S , the return signal V _B and the abnormality information signal are time division multiplexed signals in which each bit is transmitted in synchronization with the commercial power supply. It is now being transmitted using the power line carrier method.

〔Effect of the invention〕

The present invention is configured as described above, and sequentially accesses the unique addresses of the terminal devices of the dwelling unit that can be set, and the telephone terminal of the dwelling unit corresponding to the unique address accessed when each unique address is accessed. The return occurs when a confirmation signal is returned from the initialization means that transmits a control signal to cancel the connection to the above-mentioned telephone line, and from the terminal of the above-mentioned dwelling unit corresponding to the above-mentioned unique address accessed when accessing each of the above-mentioned unique addresses. The central paging device is equipped with a dwelling unit address registration means for registering the above-mentioned unique address as a dwelling unit address, and a transmission blocking means for blocking the transmission of a transmission signal to a unique address other than the registered dwelling address. There is no need to send out unnecessary transmission signals due to erroneous operations, such as when a non-existent housing number is entered.
Moreover, it is possible to provide a communication device for an apartment complex that will not be mistakenly recognized as a transmission error when a transmission signal is sent to a unique address that has not been set due to an erroneous operation and there is no return signal. .

[Brief explanation of drawings]

FIG. 1 is a schematic configuration diagram of a communication device for apartment complexes according to the present invention, FIG. 2 is a main block circuit diagram showing the configuration of the present invention, and FIGS. 3 and 4 are flowcharts showing the operation of the same. FIG. 5 is a block circuit diagram of one embodiment of the same. 1 is a terminal device, 2a and 2b are central calling devices, 3 is a signal line, 4 is a telephone set, 5 is a communication line, 6 is an initializing means, 7 is a residential unit address registration means, and 8 is a transmission blocking means.

Claims (1)

[Claims] 1. A terminal device installed in each dwelling unit and each having a unique address is connected to a central calling device installed in the manager's room or entrance lobby and having a calling operation unit for setting the dwelling unit to be called, using a signal line, A transmission signal consisting of an address signal for calling the terminal device of the called dwelling unit from the central paging device and a control signal for controlling the connection of the talking device of the called dwelling unit to the telephone line is transmitted via the signal line,
A communication device for an apartment complex, wherein a confirmation signal indicating a connection state of the communication device of the called residential unit to the communication line is returned from the terminal device of the called residential unit to the central calling device via the signal line, A control signal for sequentially accessing the unique addresses of the terminal devices of the dwelling unit that can be set and canceling the connection of the talking device of the dwelling unit corresponding to the unique address accessed when each unique address is accessed to the communication line. Initialization means for transmitting, and a dwelling unit that registers the returned unique address as a dwelling unit address when a confirmation signal is returned from the terminal device of the dwelling unit corresponding to the unique address accessed when each of the unique addresses is accessed. A telephone communication device for an apartment complex, characterized in that the central calling device is provided with address registration means and transmission blocking means for blocking transmission of the transmission signal to a unique address other than the dwelling unit address.