JP2954196B1 - Municipal disaster prevention wireless system - Google Patents

Abstract

[Abstract] [Problem] Using a municipal disaster prevention wireless fixed system,
Provide a local disaster prevention emergency call system that does not require the use of general public lines. SOLUTION: A master station device 1, outdoor loudspeakers 2 and 6 for broadcasting a broadcast signal transmitted by the master station device 1, a master station device 2,
6, and individual contact receivers 3, 3 ', 7, 7' from which local residents request an emergency call.
(Or the wireless transmitter 44), the outdoor loudspeakers 2 and 6 are connected to the contact input device 3 and the like, and the outdoor loudspeakers 2 and 6 are input to the contact input device 3 and the like. The master station 1 is requested to transmit a broadcast signal based on a request from a local resident.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a municipal disaster prevention radio system, and more particularly to a municipal disaster prevention radio system using a municipal fixed radio system and not using a general public line.

[0002]

2. Description of the Related Art Conventionally, various municipal disaster prevention radio systems are known. For example, Japanese Patent Laid-Open Publication No. Hei 6-197177 (“Municipal disaster prevention wireless fixed system master station device”) discloses FIG.
As shown in FIG. 1, there is disclosed a master station device in which not only a dedicated person but also ordinary people can set the content and time to be broadcast by telephone. As shown in FIG. 5, the master station device includes a telephone line control section 7-1 for automatically connecting an incoming call from a telephone, and an electronic recording unit 7- for converting the contents of a call into a digital signal and storing it. 2 and an interface unit for connecting to a console. Then, the content set by the telephone is demodulated by an outdoor loudspeaker or an individual receiving device to output a sound.

[0003] For example, Japanese Patent Application Laid-Open No. Hei 9-81690 ("Municipal Disaster Prevention Wireless System"), as shown in FIG. 6, can broadcast its own station without opening the door of an outdoor device. A wireless system is disclosed. As shown in FIG. 6, in this system, the door 1 of the outdoor loudspeaker 11
In addition to opening the base station 8 and pressing the press switch 17 to perform the local station broadcast from the local station broadcast microphone 16, apart from the receiver 12 that receives the radio signal from the base station, The receiver 20 receives the audio signal of
The loudspeaker 14 can broadcast its own station.

[0004]

However, in a municipal disaster prevention radio system, if a general public line was used to connect a disaster headquarter, a medical institution, a welfare institution, etc. to a local resident through a telephone line, the municipal home would have It is necessary to bring in a telephone line, the operation cost also requires a contract fee for the line, communication cost, etc.In addition, the notification device installed at the residents' home will have the function of making a telephone call automatically, which is complicated. And expensive.

[0005] Further, when all the lines are constituted by wired lines, there is a danger that a disconnection or an unusable state due to an increase in traffic may occur during a disaster.

Accordingly, an object of the present invention is to provide a local disaster prevention emergency notification system that does not require the use of a general public line by using a municipal disaster prevention wireless fixed system.

[0007]

According to the present invention, there is provided a local disaster prevention emergency notification system for solving the above-mentioned problems, comprising: a master station device; an outdoor loudspeaker for broadcasting a broadcast signal transmitted by the master station device; An individual receiver for receiving a signal transmitted by the master station device, and a municipal disaster prevention wireless system including a contact input device or a wireless transmitter for requesting an emergency notification from a local resident, wherein the outdoor loudspeaker is Connected to a contact input device or the wireless transmitter, the outdoor loudspeaker requests the master station device to transmit the broadcast signal based on the request from the contact input device or the wireless transmitter. ing.

That is, according to the present invention, a master station device installed in a government office, an outdoor speaker device having a plurality of loudspeakers installed using pillars or the like in predetermined areas, and an outdoor speaker device installed in each home are provided. Using the municipal disaster prevention wireless fixed system composed of the door-to-door receivers, the disaster prevention broadcast and the administrative broadcast from the master station are wirelessly transmitted, and each outdoor loudspeaker and the door-to-door receiver receive this. Broadcast to the local residents. In addition, the communication request status from the residents was added to the answer back function, which is a standard function of the outdoor loudspeaker, and when the master station device requested the outdoor loudspeaker to confirm the status, At the same time, the fact that there is a request for communication from the residents is wirelessly transmitted to the master station device. Then, the master station device that detects this request performs an emergency broadcast to a door-to-door receiver installed in, for example, a department in charge of a government office, a medical institution near a local resident who has requested communication, or a residence of a district ward manager.

Therefore, in the present invention, the local resident's house and the outdoor loudspeaker are connected only by a simple contact circuit in terms of electric circuit, and the input interface of the outdoor loudspeaker is equipped with a normal outdoor loudspeaker. The contact detection circuit is used. In addition, after detecting the answer back signal from the outdoor loudspeaker in the master station device, if the answer back signal contains a communication request, the automatic broadcast function is used to provide the required area-specific receiver or outdoor loudspeaker to the area. Perform automatic broadcasting.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram of a local disaster prevention emergency notification system according to the present invention. As shown in FIG. 1, in the regional disaster prevention emergency notification system of the present invention, a municipal disaster prevention wireless system fixed system master station device 1 is connected to a region A and a region B. Here, in the area A, the outdoor loudspeaker 2 and the door-to-door receiver 4, which are slave stations of the municipal disaster prevention radio system fixed system,
Switch boxes 3 and 3 'for requesting an emergency call, which are connected by wire from an outdoor loudspeaker, are provided. Similarly, in the area B, an outdoor loudspeaker 6 and a door-to-door receiver 8 and switch boxes 7 and 7 'for requesting an emergency call, which are connected by wires from the outdoor loudspeaker, are installed. In FIG. 1, for simplicity, the number of areas under the control of the master station device 1 is two.

FIG. 2 is a block diagram of the master station device 1.
As shown in FIG. 2, the master station device 1 includes a radio transmitting unit 21 that transmits a radio wave of a specific frequency from an antenna, and a radio receiving unit that receives and detects a radio wave of a specific frequency input from the antenna and converts the radio wave into a signal. 22 and the whole of the master station device 1
A control unit 23 that synthesizes a control signal for a slave station transmitted from the wireless transmission unit or reads a control signal from a slave station that has been detected and converted into a signal by the wireless reception unit, and an emergency notification is transmitted from an outdoor loudspeaker. If there is, control is received from the control unit, the area and the inhabitants who have issued the emergency call request are determined, and a voice synthesizing device is made to generate a necessary broadcast sound. Or, a broadcast request is specified by specifying an outdoor loudspeaker or a door-to-door receiver for broadcasting, and control is performed to transmit and broadcast sound from a voice synthesizer when the slave station called by the control unit transitions to a broadcast state. It has a control device 25 and a voice synthesizing device 24 that electrically creates and sends out audio of broadcast contents in response to a request from the control device 25.

FIG. 3 shows an outdoor loudspeaker 2 and a switch box 3,
It is a block diagram of 3 '. As shown in FIG. 3, the outdoor loudspeaker 31 receives and detects a radio wave transmitted wirelessly from the master station device 1, and demodulates the signal as a signal.
And a transmitting unit 32 that transmits a control signal indicating its own state requested by a control signal from the master station device 1 as a radio wave from an antenna, and a signal demodulated by a receiving unit 33 to be decoded. And a control unit 34 for generating a control signal indicating its own state and transmitting the control signal from the transmitting unit 2 and controlling the entire device, and a control signal transmitted from the master station device 1 In the case of the request, the loudspeaker 35 for loudspeaking the subsequently transmitted audio signal and broadcasting it through a speaker, an IF unit 36 for detecting information from an external device, And a switch box 3 (or 3 ', 7, 7') installed at the local resident's house.

The configuration of the regional disaster prevention emergency notification system according to the present invention has been described above. Next, the operation of the regional disaster prevention emergency notification system of the present invention will be described.

The master station device 1 wirelessly sends a request to inform the outdoor loudspeakers 2 and 6 of its own state as a control signal at every set time set by the operator. The calling method is a polling method, and the master station apparatus 1 first sends a control signal to the outdoor loudspeaker apparatus 2 in the area A so as to notify its own state. Outdoor loudspeaker 2 in District A that received the signal
Wirelessly transmits its own state to the master station apparatus 1 as a response control signal. The master station device that has detected the response signal subsequently wirelessly transmits a control signal to the outdoor loudspeaker device 6 in the area B.

At this time, if the contact condition has been input from the switch box 7 to the outdoor loudspeaker 6, the outdoor loudspeaker 6
Since the F section 36 has a plurality of switch box input locations, the control section 34 determines which input location the input location is from, and provides information indicating the input location where the contact input was made in the response signal. To the master station device 1.

When an emergency call is input in the response signal from the outdoor loudspeaker 6, the control unit 23 of the master station 1 detects this input and sends the input to the control unit 25 to the outdoor loudspeaker 6 in the area B.
The information including the input location of the emergency call is transmitted. Upon detecting this information, the control device 25 immediately outputs to the voice synthesizer 24 the generation of voice data corresponding to the conditions registered in advance from the conditions based on the input location of the emergency call of the outdoor loudspeaker 6 in the area B. I do.

The voice synthesizing device 24 generates voice for broadcasting based on the data from the control device 25. For example, "There was an emergency call from Mr. XX. Please contact me."
Create a voice with the content After detecting the signal of the completion of the voice generation from the voice synthesizer 24, the controller 25 sends the calling area and the outdoor loudspeakers 2, 6 or the door-to-door receiver 4 which need to broadcast to the control unit 23 of the master station device 1. , 8 to broadcast.

The slave station performing the broadcast also determines if the contact signal has been input to the input section of which IF section 36 of the outdoor loudspeakers 2 and 6 in which area, if the information is included in advance, the local station is in this area. The control device is set so as to broadcast to the outdoor loudspeakers 2 and 6 or the door-to-door receivers 4 and 8.

Then, the control section 23 of the master station apparatus 1 receiving the request from the control apparatus 25 transmits a control signal for calling the corresponding outdoor loudspeakers 2, 6 or the door-to-door receivers 4, 8 from the transmission section 21 to the radio wave. Is sent out. After the control signal is transmitted, when the slave station enters the broadcast state, the control unit 23 sends the control unit 25
A broadcastable signal to The control device 25 that has detected the broadcastable information transmitted from the control unit 23 controls the voice synthesizer 24 to transmit the synthesized voice. The voice synthesizing device 24 is a transmitting unit 2 of the master station device 1.
1 is sent out.

The transmitting section 21 transmits the input voice as a radio wave.

The outdoor loudspeakers 2, 6 or the door-to-door receivers 4, 8 which have received the sound broadcast. The outdoor loudspeakers 2, 6 or the door-to-door receivers 4, 8 that make the call should select a medical institution, a welfare group, a related institution in the local government where the inhabitants who made the emergency call live, or a fire police organization. Keep it.

A person who has heard the broadcast visits the informant's house or makes contact.

Although the embodiment of the present invention has been described above, the present invention is not limited to this, and the switch boxes 3, 3 ',
A wireless transmitter 44 is installed in a local resident's house instead of 7, 7 ', and the outdoor loudspeaker 1 receives a radio wave transmitted from the wireless transmitter 44 therein by the wireless receiver 43 and analyzes the received signal. Then, the wireless transmitter 44 that has transmitted the radio wave may be specified. As the wireless transmitter 44, a specific low-power wireless transmitter is suitable.

[0025]

According to the present invention described above, the use of the municipal disaster prevention wireless fixed system does not require the use of a general public line, so that no communication cost is required and the system for emergency notification is maintained. Operating costs can be greatly reduced.

Further, according to the present invention, most of the communication lines are wireless lines, so that the possibility of communication failure due to disconnection at the time of disaster or the like can be greatly reduced.

Further, according to the present invention, since the communication line is a privately owned telecommunications facility operated by a local government or the like, it is not affected by line congestion of the public line network, and thus stable communication can be secured.

Further, according to the present invention, since the broadcast of the municipal disaster prevention wireless fixed system is used as a communication means for persons involved in medical welfare and the like when there is a report, it is possible to simultaneously contact a plurality of places by setting in advance. Since the broadcast can be performed, the contact cannot be made due to the absence of the person concerned, and the possibility that the caller cannot be visited or confirmed cannot be confirmed.

Further, according to the present invention, if the line between the outdoor loudspeaker and each local resident's house is constituted by a wireless device, particularly a specified low-power wireless device, the disconnection of the wired line in the event of a large-scale disaster or the like is possible. As a result, the emergency call cannot be disabled, and the reliability of the system is further improved.

[Brief description of the drawings]

FIG. 1 is a block diagram of a local disaster prevention emergency notification system according to the present invention.

FIG. 2 is a block diagram of a master station device.

FIG. 3 is a block diagram of an outdoor loudspeaker and a switch box.

FIG. 4 is a block diagram of an outdoor loudspeaker and a power wireless transmitter.

FIG. 5 is a conventional municipal disaster prevention wireless fixed system master station device.

FIG. 6 shows a conventional municipal disaster prevention radio system.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Master station device 2, 6 Outdoor loudspeaker 3, 3 ', 7, 7' Contact input device 4, 8 Individual receiver

Claims (8)

(57) [Claims] A master station device, an outdoor loudspeaker for broadcasting a broadcast signal transmitted by the master station device, an individual receiver for receiving a signal transmitted by the master station device, and a local resident requesting an emergency call Municipal disaster prevention wireless system including a contact input device or a wireless transmitter for performing the communication, wherein the outdoor loudspeaker is connected to the contact input device or the wireless transmitter, and the outdoor loudspeaker is the contact input device. Alternatively, based on the request from the wireless transmitter, the municipal disaster prevention wireless system requests the master station device to transmit the broadcast signal. 2. The master station device transmits the broadcast signal to an outdoor loudspeaker and / or an individual receiver in an area to which the contact input device or the wireless transmitter to which the request has been input belongs. The municipal disaster prevention radio system according to claim 1. 3. The outdoor loudspeaker transmits the request input to the contact input device or the wireless transmitter to the master station device based on another request from the master station device. The municipal disaster prevention radio system according to claim 1. 4. The municipal disaster prevention radio system according to claim 1, wherein the request includes an identification code of a contact or a wireless transmitter to which the request has been input. 5. The municipal disaster prevention wireless system according to claim 4, wherein the master station device registers broadcast contents for each of the identification codes. 6. The municipal disaster prevention radio system according to claim 5, wherein the master station device includes a voice synthesizer that converts the registered broadcast content into a voice signal. 7. The municipal disaster prevention radio system according to claim 1, wherein the outdoor loudspeaker transmits its own status to the master station based on another request from the master station. 8. The municipalities according to claim 7, wherein the outdoor loudspeaker transmits its own status to the master station by polling based on another request from the master station. Disaster prevention wireless system.