JPH03222100A - Social alarm system - Google Patents

Abstract

PURPOSE:To effectively transmit with a miniature light transmitter by receiving an alarm signal from a radio transmitter by slave terminal equipment in a service area and communicating automatically through a transmission line by power wiring to a monitoring center through master terminal equipment and a telephone circuit line. CONSTITUTION:When an alarm signal is transmitted from a transmitter 1, slave terminal equipment 2 dispersedly arranged in a service area is made to be able to receive it. The equipment 2 transfers an alarm signal to master terminal equipment 4 connected through a transmission line by power wiring 3 of an electric lamp line and so on. Then, automatic communication is executed from the master terminal equipment 4 to a monitoring center 6. Thus, the electric lamp line supplies supply power to the respective slave terminal equipment and to the master terminal equipment and works as the transmission line. Besides, since the slave terminal equipment 2 is dispersed in respective room and so on, the transmitter which is miniature, light and small output power is sufficient and the transmission of the alarm signal can be executed effectively.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention is applicable to a society where, in various emergencies, an alarm signal is transmitted from a wireless transmitter, the alarm signal is received by a terminal device, and a monitoring center is automatically notified. It concerns an alarm system.

A social alarm system, for example, transmits detection signals from sensors such as fire detectors and trespass detectors wirelessly or wired to a terminal device, and automatically sends a message from the terminal device to a monitoring center via a telephone line, etc. to detect the occurrence of a fire. A small wireless transmitter such as a pendant type is carried, and an alarm signal is transmitted in the event of an emergency such as a sudden illness, and the alarm signal is received by a terminal device and connected to a telephone line. There are systems that automatically notify a monitoring center of the occurrence of an emergency situation such as a sudden illness.

In such social alarm systems, there is a demand for smaller, lighter weight, and lower power consumption wireless transmitters for transmitting detection signals and alarm signals.

[Conventional technology]

As a conventional social warning system, the configuration shown in FIG. 6 or FIG. 7, for example, is known. The conventional example shown in FIG. 6 includes an arbitrary number of relatively large output radio transmitters 61-1 to 61-
The terminal device 62 is equipped with one terminal device 62 that receives an alarm signal from n, and when the terminal device 62 receives the alarm signal, it automatically sends a call to a monitoring center 64 via a switching network 63 to report the occurrence of an emergency situation. It is. The monitoring center 64 is connected to the terminal device 6
Arrangements for an ambulance will be made in accordance with the report from 2.

Further, the conventional example shown in FIG. 7 is provided with wireless repeaters 751 to 75-m that relay alarm signals from an arbitrary number of relatively small output wireless transmitters 71-1 to 71-n to the terminal device 72,
When the terminal device 72 receives the alarm signal relayed by the wireless repeaters 75-1 to 75-m, the terminal device 72 automatically sends a message to the monitoring center 74 via the switching network 73, similar to the conventional example described above, to notify the emergency situation. This is to report the occurrence.

[Problems to be Solved by the Invention] In the conventional example shown in FIG. 6, the transmission output of the wireless transmitters 611 to 61-n is increased in order to widen the receiving area of the terminal device 62. As a result, the power consumption of the wireless transmitters 61-1 to 61-n increases, so a relatively large capacity battery is required. Therefore, it has the drawback of being large and inconvenient to carry. Furthermore, it is difficult to set the receiving area of one terminal device 62 in an arbitrary shape, and therefore, when the wireless transmitters 61-1 to 61-n are carried around and the terminal device 62 receives an alarm signal, it is difficult to set the reception area to an arbitrary shape. There may be cases where this is not possible.

In the conventional example shown in FIG. 7, the wireless transmitter 71-1
Although it is possible to reduce the size of the wireless repeaters 75-1 to 75-m by reducing the transmission output of the wireless repeaters 75-1 to 75-m, this has the disadvantage of increasing costs. Furthermore, it is necessary to configure the system so that the alarm signal from the wireless transmitter and the signal relayed by the wireless repeater do not interfere with each other, which has the disadvantage of complicating the system design.

SUMMARY OF THE INVENTION An object of the present invention is to make a wireless transmitter that transmits an alarm signal portable for a long period of time, and to easily set the range of movement.

[Means to solve the problem]

The social alarm system of the present invention utilizes power wiring such as electric light lines as a transmission path, and will be explained with reference to FIG.

Radio transmitter 1 that transmits a warning signal from the emergency situation number
A plurality of child terminal devices 2 are arranged in a distributed manner so as to be able to receive the transmission signal of this wireless transmitter 1, and these child terminal devices 2 are connected via a transmission path by power wiring 3 such as a power line. The monitoring center 6 is equipped with a parent terminal device 4 and a monitoring center 6 connected to the parent terminal device 4 via a transmission line 5 such as a telephone line. The alarm signal is received by the child terminal device 2 whose service area is the location, and the alarm signal is transferred from the child terminal device 2 to the parent terminal device 4 via the power wiring 3, and the parent terminal device 4 automatically reports it to the monitoring center 6. It is structured as follows.

[Function] The plurality of child terminal devices 2 are equipped with a wireless reception function that can receive alarm signals from the wireless transmitter 1, and are arranged in each room A to D, etc., and are connected to the parent terminal device 4 and the power wiring 3. is connected as a transmission line. Therefore, the slave terminal devices 2 can be expanded or repositioned using indoor wiring outlets, street lights, etc., and by combining the reception areas of each slave terminal device 2, a service area of any shape can be created. can be configured.

In addition, the parent terminal device 4 has a function of automatically transmitting a message to the monitoring center 6 like the conventional terminal device, and the slave terminal device 2 receives the alarm signal from the wireless transmitter 1 and transmits the alarm signal. is transferred to the parent terminal device 4 via the power wiring 3,
The parent terminal device 4 automatically makes a call to the monitoring center 6 via a transmission line 5 such as a telephone line or a dedicated line via a switched network 7.
The occurrence of an emergency situation will be reported by adding the own terminal address, etc.

[Examples] Examples of the present invention will be described in detail below with reference to the drawings.

FIG. 2 is a block diagram of an embodiment of the present invention, in which 11 is a wireless transmitter, 12a to 12c are slave terminal devices, 13 is a power line, 14 is a master terminal device, 15 is a telephone line, 16 is a monitoring center, 17 is an exchange network including an analog exchange or a digital exchange; 18 is a sensor such as a fire detector or a trespass detector.

The child terminal device 12a has a wireless reception function and a function of receiving a detection signal from the sensor 18, the child terminal device 12b only has a wireless reception function, and the child terminal device 12C only has a function of receiving a detection signal from the sensor 18. Indicates the case where These child terminal devices 12a to 12c distributed indoors and outdoors are connected to a parent terminal device 14 using a commercial 100V or 200V power line 13 as a transmission path. Therefore,
The power line 13 supplies power to each child terminal device 12a to 12c and the parent terminal device 14, and also functions as a transmission path.

By distributing the child terminal devices 12a and 12b so that the reception area is within a predetermined range such as in each room, even if the transmission output of the wireless transmitter 11 is small, the alarm signal transmitted in the event of an emergency can be received. Any one of the plurality of child terminal devices 12a, 12b can receive the message. And the child terminal device 12a.

12b receives an alarm signal from the wireless transmitter 11,
The alarm signal is transferred to the main terminal device 14 via the power line 13, the main terminal device 14 automatically makes a call, is connected to the monitoring center 16 through the switching network 17, and reports the occurrence of an emergency to the monitoring center 16. be able to.

FIG. 3 is a block diagram of the child terminal device 12a, and FIG. 4 is a block diagram of the parent terminal device 14, in which 21 is a wireless receiving section;
2 is a control processing unit including a processor, etc.; 23 is a coupling unit; 2
4 is a modem unit, 25 is a code/decoder unit, 26 is a display unit, 2
Reference numeral 7 designates an operation section including switches, ten keys, etc., 28 an external user output section, 29 a modem, and 30 a line termination device. Note that the configuration of the display section 26 and the operation section 27 can be omitted to simplify the configuration.

The child terminal device 12a (!: has almost the same configuration as the parent terminal device 14, and the parent terminal device 14 is provided with a modem 29 and a line termination device 30. It is also possible to have a configuration in which the section 21 is omitted.Also, if the wireless receiving section 21 of the child terminal device 12a is omitted, the child terminal device 12c receives and processes only the detection signal of the sensor 18.
becomes. It is also possible to omit the display section 26 and the operation section 27.

The wireless receiving units 21 of the child terminal devices 12a, 12b and the parent terminal device 14 have a function of receiving radio waves of the same frequency, so that they can receive an alarm signal transmitted from the wireless transmitter 11 in the event of an emergency situation. It is always on standby.

The coupling section 23 is composed of a capacitor, a transformer, etc., and couples the 100V or 200V power line 13 and the modulation/demodulation section 24 that processes a signal of several volts using a modulation/demodulation frequency of about several 100 KHz. . The code/decoder 25 encodes data sent to the power line 13 and decodes data received via the power line 13. The external input/output section 28 receives the detection signal of the sensor 18 manually and sends out an external output signal under the control of the control processing section 22.

An alarm signal from the wireless transmitter 11 due to the occurrence of an emergency situation,
When received by the wireless receiving section 21 of the child terminal device, the control processing section 22 identifies this alarm signal and sends it to the code/decoding section 2.
5, modulated by the modem section 24, and sent to the power line 13 via the coupling section 23. In this case, a plurality of child terminal devices simultaneously receive the alarm signal from the wireless transmitter 11 and each sends the alarm signal to the power line 13, but such a collision of sent data may occur, for example, when the CS This can be avoided by using the MA/CD method.

In the parent terminal device 14, when the alarm signal transmitted through the power line 13 is received via the coupling unit 23, it is demodulated by the modulation/demodulation unit 24, decoded by the code decoding unit 25, and sent to the control processing unit 22. Forward. Upon receiving the alarm signal, the control processing unit 22 controls the modem 29 and line termination device 30 to send the telephone number of the monitoring center 16 to the telephone line 15, and in response to the response from the monitoring center 16, the address of the parent terminal device 14 is transmitted. Send out an alarm signal with additional information such as

The control processing unit 22 of the child terminal device and the parent terminal device has, for example, the configuration shown in FIG. 33 is a random access memory (RAM) for temporarily storing data, etc.;
4 is an input/output unit (Ilo), 35 is a speech synthesis device provided only in the control processing unit 22 of the parent terminal device 14, and 36 is an internal lotus.

The speech synthesis device 35 is provided only in the parent terminal device 14, and the input/output section 34 includes a wireless reception section 21, a code/decoding section 25, a display section 26, an operation section 27, an external input/output section 28, etc. is connected.

The parent terminal device 14 can automatically call the monitoring center 16 and send an alarm signal to the telephone line 15, as well as send a message from the voice synthesis section 35. It is also possible to provide a speaker in the child terminal device or the like, and to add a message to the speaker indicating that the voice synthesis section 35 is reporting to the monitoring center 16.

The present invention is not limited to the above-described embodiments, but can be modified in various ways.

〔Effect of the invention〕

As explained above, the present invention connects the power wiring such as a power line between the slave terminal device 2 that can receive an alarm signal from the wireless transmitter 1 and the master terminal device 4 that can automatically transmit the alarm signal to the monitoring center 6. is connected as a transmission path, and the child terminal device 2
Since they can be distributed indoors in each room A to D and in the garden using electrical outlets, a desired service area can be easily configured. Thereby,
Since the transmission output of the wireless transmitter 1 can be reduced, the wireless transmitter 1 can be made smaller, lighter, and consume less power, and can be miniaturized like a pendant type, and can be used for a long time even with a small battery. There are advantages to being able to do so.

Furthermore, since an expensive repeater such as a wireless repeater is not required, there is an advantage that a relatively inexpensive system can be constructed.

[Brief explanation of drawings]

Fig. 1 is a diagram explaining the principle of the present invention, Fig. 2 is a block diagram of an embodiment of the invention, Fig. 3 is a block diagram of a child terminal device, and Fig. 4 is a block diagram of an embodiment of the present invention.
FIG. 5 is a block diagram of a parent terminal device, FIG. 5 is a block diagram of a control processing section, and FIGS. 6 and 7 are explanatory diagrams of a conventional example. 1 is a radio transmitter, 2 is a child terminal device, 3 is a power wiring, 4 is a parent terminal device, 5 is a transmission line, 6 is a monitoring center, and 7 is a switching network.

Claims (1)

[Claims] A wireless transmitter (1
), a plurality of child terminal devices (2) distributed in a distributed manner so as to be able to receive transmission signals from the wireless transmitter (1), and power wiring (such as power lines) between the plurality of child terminal devices (2) and power lines ( 3), and a monitoring center (6) connected to the parent terminal device (4) via a transmission line (5) such as a telephone line. , an alarm signal from the radio transmitter (1) is received by the child terminal device (2) whose service area is the location of the radio transmitter (1), and the power is transmitted from the child terminal device (2). The information is transferred to the parent terminal device (4) via a transmission path formed by wiring (3), and from the parent terminal device (4) to the monitoring center (6).
A social warning system characterized by being configured to automatically notify a person.