JP2500896Y2 - Emergency call system with dedicated calling function - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to an emergency telephone system having a dedicated calling function, and more particularly, to an emergency telephone slave unit, an emergency telephone sub-master unit, and an emergency telephone main master unit. The present invention relates to a communication device characterized by making a call according to the priority order according to the operation of the operation switch.

[Prior Art] Recently, a large number of apartment houses have been constructed, but it is mandatory to install a disaster prevention system in the apartment houses. When an emergency such as a fire occurs, such a disaster prevention system automatically notifies the main disaster prevention center side by issuing an alarm from a fire detector or smoke detector installed near the place of occurrence. It outputs an alarm signal to perform alarm control and necessary control processing for evacuation guidance. In addition to automatic alarm notification such as doors, emergency telephones installed in each part of the apartment and main disaster prevention center The ability to quickly make emergency contact between the two is also an important factor in disaster prevention.

Conventionally, when making such an emergency call, an emergency telephone sub-unit is placed in a suitable place such as in multiple residences, and an emergency telephone sub-master unit is installed in the administrator room or the like provided in each residence. A call signal line is laid between the main unit and the emergency telephone installed in the main disaster prevention center, and when an emergency occurs, the main unit is called by operating the call switch from the child unit or sub-unit. It is configured to make emergency contact.

However, such a conventional emergency telephone system has a configuration in which the emergency telephone system is incorporated into a normal telephone system using a private branch exchange, and therefore, by operating the call switch, a slave unit, a sub-master unit, or a main master unit is operated. Although it is possible to talk with each other, the private branch exchange is expensive and, for example, when a call is being made between the slave unit and the sub-master unit, the child that is talking from the main master unit It was not possible to call the container or sub-master unit, and improvement was desired.

[Problems to be solved by the invention] In the present invention proposed in view of the above circumstances, a plurality of emergency telephone sub-units are provided in each residential building, and an emergency telephone sub-base unit is provided in the sub disaster prevention center of each residential building. In addition, the main disaster prevention center will be equipped with an emergency telephone main master unit, and when the handset of these slave units or sub-master units is picked up, a call line can be connected to the main master unit side for calling and talking. On the other hand, according to the priority level according to the operation of the operation switch, the call line between the slave unit and the sub-master unit is connected, and the call from the main master unit is displayed to improve the operability and reduce the cost. The purpose is to provide an emergency telephone system with a dedicated calling function that has realized the above-mentioned features.

[Means for Solving the Problems] The present invention according to claim 1, which is proposed to achieve the above object, has an emergency telephone main master installed in a main disaster prevention center and installed in each of a plurality of residential buildings. In addition to installing an emergency telephone sub-base unit in the sub-disaster prevention center provided, and installing multiple emergency telephone sub-units in each of these housing units, these main base unit, sub-base unit and main base unit With a dedicated calling function that connects at least the call signal line with the slave unit and connects at least the call signal line and the control signal line between the slave unit and the sub-master unit to make an emergency call. An emergency telephone system, wherein the emergency telephone main master unit has a call operation having a corresponding call switch for calling and talking with the sub-main unit and slave unit in each residential building. On the other hand, the emergency telephone slave unit is called from the main master unit. When a call is made, a call indicator light is displayed, a hook switch that operates in conjunction with picking up a handset device to connect to the call line with the main master unit, and a connection with the call line with the main master unit And a sub-base unit call switch for connecting the call line with the sub-base unit in the same housing, and when the slave unit handset is picked up, calls and calls to the main base unit On the other hand, while the sub-base unit call switch is operated, the call with the main base unit is cut off, and instead the call and the call to the sub-base unit are configured. The emergency telephone sub-base unit has a call indicator light for displaying when a call is made from the main base unit,
The hook switch that operates in conjunction with picking up the sub-base unit handset to connect the communication line with the main base unit or the slave unit, and the sub-base unit call switch of the slave unit are not operated during the main unit A call line with the master unit is connected to allow the main master unit to make a call, and when the sub-main unit hadset is picked up, a call to the main master unit and a call can be made, while the child unit While the sub-master unit call switch of the device is operated, the sub-unit can be called from the slave unit, and when the sub-base unit handset is picked up, the call with the slave unit can be performed. When a call line is connected between the switching connection circuit that enables the call and the slave unit, a forced call switch for disconnecting the call line and connecting the call line with the main master unit. And with the above deputy parent When the handset is picked up, a call and a call are made to the main master unit, while the sub master unit call switch of the slave unit is operated to make a call to and from the slave unit. When the forced call switch is operated, the call with the slave unit is cut off during the operation period, and instead the call with the main master unit is performed.

[Operation] In the emergency telephone system of the present invention, when the handset of the emergency telephone subunit is picked up, the call switch to the emergency telephone main master unit is connected by the hook switch operating in tandem to make a call and a call. Also, while the sub-main unit call switch provided on the slave unit is operated, the call line is switched from the main master unit to the sub-main unit side and controlled to the sub-main unit side via the control signal line. A signal is output, and the sub-base unit receives this control signal and connects the call line with the slave unit by the switching connection circuit, so that the slave unit calls and talks to the sub-master unit. When a call is made from the master unit to the slave unit or sub-master unit in a call during a call between the slave unit and the sub-base unit, a call display is displayed by the call indicator lamp.

When the handset of the emergency telephone sub-base unit is picked up,
While the call switch to the main unit of the emergency telephone is connected by the hook switch that operates in tandem for calling and talking, the sub master unit call switch of the slave unit is operated to talk with the slave unit. When a call is made from the main base unit to the sub-base unit in a call while the call is being made, the call display is performed by the call indicator lamp. When the forced call switch of the sub-master unit is operated, the call connection line is switched from the slave unit to the main master unit by the switching connection circuit operated by the forced call switch during the operation period to talk with the main master unit. Is done.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 shows the system configuration of an emergency telephone system with a dedicated calling function according to the present invention. In this example, a system configuration between a plurality of housing units A to N and a main disaster prevention center 3 is shown. Shows. In the figure, 1 ... Represents each residential building A to N
Emergency telephone sub-units (hereinafter referred to as sub-units) installed in each part of 2 and 2 are emergency telephone sub-base units (hereinafter referred to as sub-base units) installed in the sub-disaster prevention centers of each building A to N. Yes, and the sub-units 1 ... In each of these housing units and the sub-base unit 2 are connected by a call signal line 1 and a control signal line l2.

In addition, each cordless handset 1 ... is individually connected to the emergency telephone main master unit 3 (hereinafter referred to as the main master unit) installed at the main disaster prevention center by the call signal line l3, and further, each sub master unit. 2 ...
Are individually connected to the main master unit by a call signal line l4 and a power line l5.

2 (a), (b), and (c) show the external appearance and internal configuration of the slave unit 1 used in this system.
On the front of the storage box 1, there are an emergency light 1a that is lit and displayed by a reply signal when an emergency signal is sent to the main disaster prevention center side by operating the emergency operation switch 1c, and an operation lever 1b that opens the storage box 1. Is provided, and inside the storage box 1,
A handset 10a for making an emergency call, a speaker 10b that sounds an alarm sound and sounds a ringing sound from the main master 3 in an emergency, and a call indicator 12 that lights up when the main master 3 calls. Sub-base unit call switch 11
The sub panel 13 to which is attached, and the terminal block 13a for connecting the sub master unit 2 and the main master unit 3 are provided.

3 (a) and 3 (b) are the sub-panel 13 and the terminal block 13a.
Is a diagram showing in more detail, the same portions are denoted by the same reference numerals, and description thereof is omitted.

FIG. 4 shows the internal circuit of the handset 1, in which 10 is a conventional telephone, which is equipped with a handset 10a, a call bell 10b, and a hook switch 10c which operates in conjunction with picking up the handset 10a. Further, 13 is three switching contacts 1
1a to 11c (normally connected to the contact a side) have a sub-master unit call switch 11 composed of a momentary switch and a call indicator lamp 12 that lights up when the main master unit 3 calls. Shows a sub-panel. The terminals T5 and T6 are connected to the main master unit 3 by the call signal line l3,
T1 and T2 are connected to the sub-base unit 2 by the call signal line 1,
Further, the terminals T3 and T4 are similarly connected to the sub master device 2 by the control signal line 12 (see FIG. 7). The following description will be given with reference to the system circuit diagram shown in FIG.

In this slave device 1, when the normal handset 10a is picked up, the hook switch 10c interlocks and is switched to the contact b side to call and call the main master unit 3 side through the call signal line l3 connected to the terminals T5 and T6. The call is made. Also, while operating the sub-master call switch 11, the handset 10a
Taken up, the three switching contacts 11a to 11c of the sub master calling switch 11 are switched and connected to the b contacts, and the call line 1 is connected to the sub master 2 through the call signal 1 connected to the terminals T1 and T2. Is connected, the terminals T3 and T4 are short-circuited, and the control signal is transmitted to the sub-master unit 2 side via the control signal line l2 to enable calling and talking from the slave unit 1 as described later. There is.

FIG. 5 shows the internal circuit of the sub-base unit 2, where 20 is a conventional telephone and is equipped with a handset 20a, a ringing bell 20b and hook switches 20c and 20d which operate in conjunction with picking up the handset 20a. There is. 22 is a call indicator light that is lit when a call is made from the master unit 3, and 21 is a momentary switch for switching and connecting the call line to the master unit 3 side during a call with the slave unit 1. Forced call switch, 23 is a relay RY having relay contacts ry1a to ry1d
Switching connection circuit consisting of 1, RY2 is relay contact ry2a ~ ry
It is a relay having 2d and operates in conjunction with the hook switch 20d. The terminals T1 and T2 of the sub-master unit 2 are the terminals T1 and T2 of the slave unit 1.
To the main master unit 3 by the call signal line l4, and the terminals T3 and T4 are similarly connected to the terminals T3 and T4 of the slave unit 1 by the control signal line l2. Further, the terminals TV and TG are connected to the main master unit 3 by the power line 15 (see FIG. 7).

In this sub-base unit 2, when the handset 20a is picked up, the hook switches 20c and 20d are switched and connected to the contact b side to drive the relay RY2, and the relay contacts ry2a to ry2d are switched and connected to the contact b side to connect the terminals TV and TG. The DC voltage supplied from the main unit 3 is transmitted to the main unit 3 through the terminals T7 and T8 to call and call the main unit 3.

Further, when the sub parent device calling switch 11 of the slave device 1 is operated, the terminals T3 and T4 are short-circuited, so that the relay RY1 of the switching connection circuit 23 is driven and the relay contacts ry1a to ry1d.
Is switched and connected to the contact b side, and the DC voltage supplied from the terminals TV and TG is applied to the bell 20b of the telephone 20 to ring the ringing tone. Then, when the handset 20a is picked up, the hook switches 20c and 20d are switched and connected to the contact b side and the bell 20b
Is stopped, the relay RY2 is driven and the relay contacts ry2a to ry2d are switched and connected to the contact b side, and the slave unit 1
The call line with is connected and a call is made.

Further, when the forced call switch 21 is operated during a call between the child device 1 and the sub-master device 2, the relay RY1 of the switching connection circuit 23 is operated.
Is stopped, the relay contacts ry1a to ry1d become contact a
Is switched to the side. As a result, the communication line with the child device 1 is disconnected, and instead the communication line with the main master device 3 is connected.

FIG. 6 is a block diagram showing the configuration of the main master unit 3, in which 3a is a plurality of terminals T5, T6 ... Connected to the terminals T5, T6 of the slave unit 1 and the sub master unit 2. A call line connection circuit having a plurality of terminals T7, T8 ... Connected to the terminals T7, T8, 3b is a signal processing circuit for performing signal processing of each part, and 3c is a child through the line connected by the call line connection circuit 3a. A call unit for making a call with the device 1 or the sub-master device 2, 3d is a call line connection circuit 3a
The digital display section for digitally displaying the data of the line connected with the 3e, when the call from the slave 1 is received, the line connected by the call line connection circuit 3a is discriminated by the signal processing circuit 3b and the district indicator light While not blinking (not shown), when a call is started, the district display section lights up to display the district display section, and 3f is a call switch (not shown) for performing a call operation from the main master unit 3 to the slave unit 1 or the sub master unit 2. 3g is a power supply circuit for supplying DC power to the sub-master unit 2 side connected to the terminals TV and TG of the sub-master unit 2 via the power supply line l5. When calling the slave unit 1 or the sub-master unit 2 from the main master unit 3, first, the handset (not shown) of the communication unit 3c
And the call switch of the other party provided in the call operation unit 3f is operated, a call signal is transmitted to the signal processing circuit 3b. The signal processing circuit 3g processes the call signal and outputs a line switching signal to the call line connection circuit to output the callee slave unit 1
Alternatively, the call line with the sub-base unit 2 is connected to make a call and a call. In addition, child device 1 to main master device 3
When calling the handset 10a of the cordless handset 1 when calling, the voltage level of the call signal line l3 connected to the call line connection circuit of the main master 3 fluctuates, and this level fluctuation is detected by the signal processing circuit 3b. Then, the call line corresponding to the cordless handset 1 is connected and the district display unit 3e is driven to blink the district indicator lamp. Then, when the handset of the calling operation unit 3f on the main master side is picked up, the signal processing circuit 3b detects the handset and switches blinking of the district indicator lamp to a lighting display and a call is performed. Further, the operation when calling the main base unit 3 from the sub base unit 2 is the same as that of the cordless handset 1. Is lit up.

As described above, in the emergency telephone system with a dedicated calling function of the present invention, when the handset of the emergency telephone subunit 1 or the emergency telephone sub-master unit 2 is picked up, an emergency call with the emergency telephone main master unit 3 of the main disaster prevention center is possible immediately. And also child unit 1
When the handset is picked up by operating the sub-base unit call switch 11 on the side, the sub-base unit 1 can call the sub-base unit 2 to carry out a call. When a call is made from the main master unit 3 side to the cordless handset 1 during a call between them, the call indicator lamp 12 lights up. Therefore, if the operation of the sub master unit call switch 11 is canceled, The call can be interrupted and the call can be immediately transferred to the main base unit 3.
Further, when a call is made from the main master unit 3 side to the sub master unit 2 during a call between the slave unit 1 and the sub master unit 2, a call indicator light 22 is lit and displayed. It is possible to interrupt the call with the slave unit 1 and immediately shift to the call with the main master unit 3. In addition, since the momentary switch is used for the sub-main unit call switch 11 of the slave unit 1 and the forced call switch 21 of the sub-main unit 2, there is no forgetting to operate the switch, and these switches are used when the handset is not picked up. It is designed so that you can operate it without any problem.

[Advantage of the Invention] According to the present invention, when the handset of the emergency telephone slave unit or the emergency telephone sub-master unit provided in each dwelling is picked up, it is possible to immediately make a call with the main master unit, and the slave unit side A call can be made with the sub-master unit by operating the provided sub-base unit call switch, and when a call is made from the main master unit during a call between the slave unit and the sub-base unit, a call indicator light It is possible to immediately switch to a call with the main master unit by operating the sub master unit call switch or forced call switch, and such mutual call can be configured without using a private branch exchange. Therefore, it is possible to provide an emergency telephone system with a dedicated calling function, which has improved operability and has reduced cost.

[Brief description of drawings]

FIG. 1 is a system configuration diagram of the present invention, and FIG.
(C) is an explanatory view of the emergency telephone subunit, FIGS. 3 (a), (b)
Is an explanatory view of the sub-panel provided inside the emergency telephone subunit,
Fig. 4 shows the internal circuit diagram of the emergency telephone subunit, Fig. 5 shows the internal circuit diagram of the emergency telephone sub-master unit, Fig. 6 shows the block configuration diagram of the emergency telephone main master unit, and Fig. 7 shows the system circuit diagram. ing. [Explanation of symbols] 3 …… Emergency phone main master 2 …… Emergency phone sub master 1 …… Emergency phone subunit 3f …… Call operation unit 12 …… Call indicator light 10c …… Hook switch 11 …… Secondary master Machine call switch 22 …… Call indicator light 20c, 20d …… Hook switch 23 …… Switch connection circuit 21 …… Forced call switch

Claims (1)

(57) [Scope of utility model registration request] [Claim 1] An emergency telephone main master unit is installed in the main disaster prevention center, and an emergency telephone sub-master unit is installed in each sub-disaster prevention center provided in each of a plurality of dwellings. Installs a plurality of emergency telephone slave units, and connects these main master unit and sub master unit and the main master unit and slave unit with at least a call signal line, and connects the slave unit and the sub master unit. An emergency telephone system with a dedicated calling function, in which at least a call signal line and a control signal line are connected to make an emergency call, and the emergency telephone main master unit is the sub-master unit of each residential building. In order to make a call and a call with the cordless handset and the cordless handset, the emergency telephone cordless handset is provided with a call operation section having a call switch corresponding to these, when the call is made from the main master unit. Interlocks with the call indicator light for displaying and picking up the handset To connect the call line with the main master unit and the call line with the sub master unit in the same building by disconnecting the call line with the main master unit. And a call to the main master unit is made when the slave unit handset is picked up, and a call is made to the main master unit while the sub master unit call switch is operated. The call to the device is cut off, and the sub-base unit is called and the call is made instead.The emergency telephone sub-base unit is displayed when the main base unit makes a call. Is operated, the hook switch that operates in conjunction with picking up the sub-base unit handset to connect the call line to the main base unit or the slave unit, and the sub-base unit call switch of the slave unit are operated. When not in use, A call line is connected to enable the call from the master unit, and when the sub-master handset is picked up, the call to the master unit and the call are enabled, while the sub-unit of the slave unit is called. A switching connection that enables a call from the slave unit to the sub master unit while the master unit call switch is operated, and enables a call to the slave unit when the sub master unit handset is picked up. A circuit and a forced call switch for disconnecting the call line to connect the call line with the main master when the call line is connected between the slave unit and the circuit, When the sub-base unit handset is picked up, a call and a call are made to the main base unit, while the sub-base unit call switch of the slave unit is operated to make a call with the slave unit. Sometimes the above forced call When pitch is operated during the operation period is interrupted call with the said child device,
An emergency telephone system with a dedicated calling function, characterized in that a call is made with the main master instead.