JP6509653B2 - Disaster prevention radio system - Google Patents

Description

  The present invention relates to a disaster prevention radio system, and more particularly, to a disaster prevention radio system capable of changing a broadcast broadcast area to a predetermined direction by changing the direction of a speaker of a slave station apparatus according to an instruction from a master station apparatus. .

  For example, as a method of transmitting information in the conventional disaster prevention radio system, a municipal disaster prevention digital radio communication system is known, for example. In a general disaster prevention radio system such as this municipal disaster prevention digital radio communication system, a parent station apparatus is installed in an administrative organization, and a plurality of slave station apparatuses are installed outdoors or in a facility in an administrative jurisdiction, and the master station The device transmits information such as voice related to loud sound broadcasting such as disaster related information to these slave stations by broadcast radio, and the information such as voices for loud speech received by each slave station can be used as a voice notification from the speaker Loud output is being performed. In a general disaster prevention radio system, radio transmission of information such as voice for loud sound broadcasting in a single direction is performed from a master station device to a plurality of slave station devices.

  Patent Document 1 relates to a radio communication system in which a mobile station can talk, and in particular, a radio communication system capable of broadcast broadcast and capable of receiving and announcing broadcasts even by a radio equipped with a voice codec used in the mobile station is disclosed. It is done. In addition, Patent Document 1 describes that broadcast data is transmitted from a master station and voice broadcasting is performed based on the broadcast data received by an outdoor slave station.

JP 2012-175256 A

  By the way, in the conventional disaster prevention radio system including Patent Document 1, the speaker of the outdoor slave station is attached to a high place such as the tip of the support using a fixing bracket or the like, and the direction of the speaker can be easily changed I could not do it. That is, the area (sound broadcast area) to which the sound emitted from the speaker of the outdoor slave station has been fixed.

However, depending on the contents, there may be a situation where it is necessary to change or expand the loud broadcast area depending on the contents, such as disasters to be loud broadcast using the speaker of the outdoor slave station.
For example, in an outdoor slave station installed around a port or the like, the speaker of the outdoor slave station is usually a man-made speaker in order to respond to a disaster such as a fire, search for a deceased old man or respond to a suspicious person. It is often installed towards the land side with However, when an earthquake or the like occurs and a situation such as the broadcast of a tsunami warning from the speaker of the outdoor slave station occurs, the broadcast is broadcasted not only to land-side houses but also to ships etc. in the port. There is a need.
Therefore, in the past, in order to change or expand the broadcast broadcast area, there has been a method such as adding an outdoor slave station or extending the communication cable to the speaker and transferring it to another location, etc. Cost and the construction takes time.

  The present invention has been made in view of such a situation, and it is possible to change the direction of the speaker after installing the speaker of the outdoor slave station, and to easily change the loud broadcast area of the speaker. The purpose is to provide a disaster prevention radio system.

  In order to achieve the above object, the disaster prevention radio system according to the present invention is a disaster prevention radio system including a master station apparatus and a slave station apparatus provided with a speaker, wherein the master station apparatus identifies the slave station apparatus The storage unit stores correspondence information between numbers and speaker angle information, and transmits angle change instruction information to the child station apparatus based on correspondence information between the identification number of the slave station apparatus and the angle information of the speaker The slave station device includes a pan head to which the speaker is attached and which operates to direct the speaker to a predetermined angle, and based on the angle change instruction information transmitted from the master station device, the cloud It is characterized by controlling a stand.

  Further, in order to achieve the above object, the disaster prevention radio system according to the present invention is a disaster prevention radio system including a parent station device and a slave station device provided with a speaker, wherein the parent station device The slave station device comprises a pan head attached with the speaker and operative to direct the speaker to a predetermined angle, and the slave station device is based on the notification ID received from the master station device. And controlling the camera platform.

  Further, to achieve the above object, the disaster prevention radio system according to the present invention is the above disaster prevention radio system, wherein the master station apparatus is connected to a J-ALERT facility, and emergency information from the J-ALERT facility is provided. Receiving a notification identification ID corresponding to the emergency information to the slave station device, and the slave station device controls the camera platform based on the notification identification ID received from the master station device. It features.

  According to the present invention, it is possible to change the direction of the speaker after the installation of the speaker of the outdoor slave station, and to easily change the loudspeaker broadcast area.

It is a system configuration figure showing an example of a disaster prevention radio system concerning Embodiment 1 of the present invention. It is an internal block diagram which shows the structure of the console of the disaster prevention wireless system which concerns on Embodiment 1 of this invention. It is a figure which shows an example of a structure of the speaker angle setting table in the memory | storage part of FIG. The disaster prevention wireless system which concerns on Embodiment 1 of this invention WHEREIN: It is a figure which shows an example of the loud-speaking broadcast area of the speaker of an outdoor base station apparatus. It is a time chart which shows an example of operation in a disaster prevention wireless system concerning Embodiment 1 of the present invention. It is a system block diagram which shows an example of the disaster prevention wireless system which concerns on Embodiment 2 of this invention. It is an internal block diagram which shows the structure of the console of the disaster prevention wireless system which concerns on Embodiment 2 of this invention. It is a figure which shows an example of a structure of the loud broadcast type table in the memory | storage part of FIG. It is a figure which shows an example of a structure of the speaker angle setting table for every loud broadcast type in the memory | storage part of FIG. It is a time chart which shows an example of operation in a disaster prevention radio system concerning Embodiment 2 of the present invention.

First Embodiment
Hereinafter, the disaster prevention wireless system according to the first embodiment of the present invention will be described with reference to the drawings. In the first embodiment, the case where the present invention is applied to a digital broadcast radio system which is a radio communication system relating to disaster prevention of a municipality or the like is shown.

  The disaster prevention radio system according to the first embodiment of the present invention is used, for example, for notifying the residents of disaster related information from the administrative organization at the time of disaster, etc., for broadcast broadcast transmitted from the master station apparatus by broadcast radio. Information such as voice is received and output by a plurality of outdoor slave stations installed in a predetermined place. As a specific example, in the digital broadcast radio system for disaster prevention administration according to the TDMA-TDD method, which is a municipal digital disaster prevention radio communication system in the 60 MHz band (54 to 70 MHz), using the broadcast radio line It has a function of making a report by voice information, other code information and the like with the slave station apparatus and the like.

  In the disaster prevention radio system according to the first embodiment, for example, when a disaster occurs, the administrative organization notifies the residents of the disaster related information by simultaneous notification. More specifically, the remote station apparatus installed in the parent station apparatus or the parent station wireless transmitting / receiving apparatus is used for disasters with respect to the outdoor slave station apparatus installed in each area outdoors, general homes, meeting rooms, schools, etc. Transmits information, emergency command information, evacuation advisory information, etc. as information such as voice information for speech communication or voice for non-voice information such as speech information for voice announcement via text information, etc. Communicate information.

  Also, in general, the direction of communication from a base station apparatus (in the first embodiment, a master station apparatus) to an outdoor slave station apparatus or the like is said to be downward, and an outdoor slave station apparatus or the like is referred to as a base station apparatus (this embodiment 1) Then, the direction of communication to the master station apparatus is referred to as upward.

[Configuration of disaster prevention radio system]
FIG. 1 is a system configuration diagram showing an example of a disaster prevention radio system according to Embodiment 1 of the present invention. In the disaster prevention radio system according to the first embodiment, a master station device 10 and a plurality of n outdoor slave station devices 30 (1) to 30 (n) are provided. Note that various numbers may be used as the number n of the plurality of outdoor slave station devices 30 (1) to 30 (n). Hereinafter, such a plurality of devices will not be distinguished and described in particular, but not being described in multiples is not limited to a specific terminal.

  Also, in FIG. 1, the wireless line 21 between the master station device 10 and the outdoor slave station device 30 (1), and the wireless line 22 between the master station device 10 and the outdoor slave station device 30 (n) It is shown. In this example, the master station wireless transmission / reception device 1 of the master station device 10 is connected to the outdoor slave station devices 30 (1) to 30 (n) by the wireless circuits 21 and 22.

Further, in the first embodiment, since the configuration and operation of each outdoor slave station device 30 (1) to 30 (n) are the same, only one outdoor slave station device 30 (1) is given a code. The configuration is shown.
In the first embodiment, mainly, the case of communicating between the master station device 10 and the outdoor slave station devices 30 (1) to 30 (n) will be described.

  The parent station apparatus 10 is installed in an administrative organization such as a municipal office, and has a parent station control unit 11, a parent station radio unit 12, and a parent station antenna 13, and a parent station radio transmitting / receiving apparatus 1 for wireless communication; It has an operator console 2 which is operated by a person in charge of the administrative organization and receives various commands and the like. The operator console 2 is for transmitting a voice signal for loud sound broadcasting such as emergency information by the person in charge to the master station radio transmitting / receiving apparatus 1, and an input means such as a keyboard for inputting by the person in charge, an LCD A display output unit such as (Liquid Crystal Display) is provided. The details will be described later. The master station radio unit 12 wirelessly transmits an audio signal and a control signal to the outdoor slave station device 30. The parent station antenna 13 is an antenna for performing wireless communication with the outdoor slave station device 30. The master station control unit 11 controls a predetermined format, a level, and the like for wirelessly communicating voice information, control information, and the like, and reads out information transmitted from the outdoor slave station device 30 and received by the master station radio unit 12. Output. The hardware configuration of the master station control unit 11 includes a CPU (Central Processing Unit) and a memory for storing an operation program and the like of the master station control unit 11, and the CPU operates according to the operation program.

  Each outdoor slave station device 30 (1) to 30 (n) has a slave station control unit 31, a slave station wireless unit 32 and a slave station antenna 33, and a slave station main unit 3 for wireless communication, and voice as a voice broadcast. A speaker (trumpet speaker) 34 to output, a speaker 34 is attached, and a camera platform 35 operated to direct the speaker 34 at a predetermined angle, and a support 36 for installing and fixing the camera platform 35. The slave station antenna 33 is an antenna for performing wireless communication with the master station device 10. The slave station radio unit 32 receives information such as voice for speech broadcast and control information wirelessly transmitted from the master station device 10.

  The slave station control unit 31 reads out information such as voice for loud sound broadcasting received by the slave station radio unit 32 and outputs the information to the speaker 34. Further, the slave station control unit 31 includes a pan head control unit 31a and a speaker angle setting table 31b, and based on the speaker angle change instruction information received by the slave station radio unit 32, the pan head control unit 31a The angle change control signal is output to the table 35. The hardware configuration includes a CPU and a memory for storing an operation program and the like of the slave station control unit 31, and the CPU operates according to the operation program. The speaker angle setting table 31 b is a table similar to the speaker angle setting table 209 d stored in the storage unit 209 of the console 2 described later.

  Here, in the first embodiment, there is a system configuration in which a plurality of outdoor slave station devices 30 (1) to 30 (n) are directly connected to the master station device 10 via the wireless lines 21 and 22. However, for example, a system in which a master station device 10 and a plurality of outdoor slave station devices 30 (1) to 30 (n) are connected via the relay station device by providing a relay station device (not shown) Configurations may be used.

  The J-ALERT facility 4 receives the emergency information distributed from the Fire Department by the J-ALERT (National Instant Warning System), and sends an instruction of automatic activation to the console 2 of the master station device 10. Types of emergency information include tsunami warning, large tsunami warning, eruption warning, emergency earthquake alert, special warning such as weather, warning such as weather, designated river flood forecast, sediment disaster warning warning, and the like.

  Next, the configuration of the console of the disaster prevention wireless system according to the first embodiment of the present invention will be described with reference to FIGS. 2 and 3. FIG. 2 is an internal configuration diagram showing a configuration of a console of the disaster prevention wireless system according to the first embodiment of the present invention. 3 is a diagram showing an example of the configuration of the speaker angle setting table in the storage unit of FIG. 2, (a) shows a state before changing the speaker setting angle, and (b) shows changing the speaker setting angle Indicates the later state.

  The console 2 includes a master station control unit 201 including a CPU and a memory for storing operation programs and the like of the console 2. A storage unit 209 and an interface group are connected to the master station control unit 201. The interface group includes an output interface 202, an input interface 204, a display interface 206, a wireless interface 210, and an automatic starter interface 211.

  The output interface 202 converts the audio signal generated by the master station control unit 201 into an analog signal, and outputs the analog signal from the speaker 203. The microphone 205 and the input unit 207 are connected to the input interface 204. The input interface 204 converts the notification voice of the person in charge of the administrative organization input from the microphone 205 and the operation information input from the input unit 207 into digital signals and outputs the digital signals to the master station control unit 201. The display interface 206 displays the display data output from the master station control unit 201 on the display unit 208. For the display unit 208, for example, a display device such as an LCD is used. The wireless interface 210 transmits and receives signals to and from the master station radio transmission / reception device 1 under the control of the master station control unit 201. The J-ALERT facility 4 and the input interface 204 are connected to the automatic starter interface 211. The emergency information input from the J-ALELT facility 4 is output to the input interface 204, and a report corresponding to the emergency information is automatically started.

  With the above configuration, the master station radio transmission / reception device 1 generates a downlink radio signal modulated by the transmission signal output from the console 2 and the generated downlink radio signal is assigned to this system. And transmit from the master station antenna 13 to the outdoor slave station device 30. Also, the uplink radio signal sent from the outdoor slave station device 30 is received and demodulated, and the received signal reproduced by this demodulation is transferred to the master station control unit 201. When the downlink radio signal is directly transmitted to the outdoor slave station device 30, a broadcast wave is used, and when transmitting via the relay station device, a relay wave having a frequency different from that of the broadcast wave is used. Ru.

  In the storage unit 209, a slave station management table 209a, a sound broadcast information table 209b, voice data 209c and a speaker angle setting table 209d are stored. In the slave station management table 209a, data representing a state change of the outdoor slave station device 30, its time, and the installation position of the outdoor slave station device 30 are shown in association with the ID of the outdoor slave station device 30 belonging to this system. Position data is stored. In the first embodiment, the position data is represented by, for example, latitude and longitude, but the name of a district or the name of a facility may be stored. In the speaker angle setting table 209d, as shown in FIG. 3, the outdoor slave station identification number 209d2, the pan angle and tilt angle setting information 209d3 of the speaker (A), and the loudspeaker (B for each outdoor slave station device 209d1) Setting information 209 d 4 of pan angle and tilt angle, setting information 209 d 5 of pan angle and tilt angle of speaker (C), and setting information 209 d 6 of pan angle and tilt angle of speaker (D) are registered.

  In addition to the polling control function, the master station control unit 201 further includes a text-to-speech-generation function 201a and a speech conversion function 201b as control functions according to the present invention. All of these control functions are realized by causing the CPU to execute an application program stored in a program memory (not shown).

  The polling control function transmits a slave station monitoring signal to all the outdoor slave station devices 30 present in the management area at predetermined time intervals. And the reception process of the polling response signal transmitted from each outdoor slave station apparatus 30 which received this slave station monitoring signal is performed. When the master station control unit 201 receives the polling response signal, it extracts the slave station ID of the outdoor slave station device 30, status data and detection time thereof from the polling response signal, and extracts the extracted information into the slave station management table 209a. The state data and the detection time are listed on the display unit 208 in association with the slave station ID.

  The loud-broadcasting text generation function 201 a generates a loud-broadcasting text based on the information on a disaster, an incident, or an accident input from the input unit 207 by the operation of the person in charge. At this time, the master station control unit 201 refers to the slave station management table 209a in the storage unit 209, for example, identifies a broadcast broadcast area based on information on disasters, incidents, and accidents, and identifies them as information on disasters, incidents, and accidents. Information on time and place is incorporated into a text fixed text according to the text fixed text, and a text for loud-broadcasting is created and displayed on the display unit 208. The text generated at this time is, for example, "A fire occurred at around ○ o'clock ○ min, △ △ town 丁 chome." "Around o h o Please be careful of all the neighborhood residents. "" At around ○ o'clock ○ minutes, a tsunami warning was issued to the coastal area. Please evacuate the neighborhood residents. " Here, as the location information, the address of the installation location of the outdoor slave station device 30 may be stored, or the name of a nearby facility may be stored, and such information is extracted and converted into text. .

  The voice conversion function 201 b converts the text for loud sound broadcasting generated by the above-mentioned text generation function for loud sound broadcasting 201 a into sound data for loud sound broadcasting. At this time, the master station control unit 201 refers to the voice data 209 c in the storage unit 209 to generate voice corresponding to the text. For example, voices corresponding to fixed phrases may be stored, and voices of time and place may be generated by combining voices of respective characters, or voices of all characters may be combined and generated. The generated voice may be output from the speaker 203 as needed.

  The voiced speech data generated by the speech broadcast text generation function 201a and generated by the speech broadcast function or the speech conversion function 201b is regenerated according to the correction content when the correction instruction from the input unit 207 is received. Be done.

  When an instruction for loud broadcast is output from the input unit 207, the voice data for loud broadcast is transmitted from the outdoor slave station device 30 designated by the master station antenna 13 via the wireless interface 210 and the master station wireless transmission / reception device 1 or all the outdoors. The slave station device 30 is wirelessly transmitted. When the outdoor slave station device 30 receives the voice data for loud sound broadcasting, the outdoor slave station device 30 broadcasts the voice for loud sound broadcasting from the speaker 34 via the slave radio unit 32 and the slave station control unit 31.

  In addition, when an instruction to change the setting angle of the speaker is output from the input unit 207, the speaker angle change instruction information is output from the outdoor slave station device 30 designated by the master station antenna 13 via the wireless interface 210 and the master station wireless transmitting / receiving device 1. Or wirelessly transmitted to all outdoor slave stations 30. When the outdoor slave station device 30 receives the speaker angle change instruction information, the outdoor slave station device 30 outputs angle change control information to the camera platform 35 via the slave station wireless unit 32 and the slave station control unit 31.

[Operation of disaster prevention radio system]
Next, the operation of the disaster prevention radio system according to the first embodiment of the present invention will be described with reference to FIG. FIG. 5 is a time chart showing an example of the operation in the disaster prevention radio system according to the first embodiment of the present invention.

  For example, when receiving a report of a tsunami caused by an earthquake from the Japan Meteorological Agency, an administrative organization such as a municipality announces and broadcasts a tsunami warning from the speaker of the outdoor slave station apparatus to residents in the area under jurisdiction. In order to inform Tsunami information even to vessels etc. traveling near the coast where it may reach, the direction of the speaker of the outdoor slave station installed near the coast is changed to the sea side, and the tsunami warning There is a need to loud-broadcast.

FIG. 4 is a view showing an example of a loud speaker broadcasting area of a speaker of the outdoor slave station apparatus in the disaster prevention radio system according to the first embodiment of the present invention. In the outdoor slave station device 30 (1), four speakers 34 (speakers 34 (A), 34 (B), 34 (C), 34 (D)) are attached to the support 36 as shown in FIG. Normally, the directions are as shown by the solid lines, and the broadcast broadcast area 501 is shown as the broadcast broadcast areas 501 (A), 501 (B), 501 (C) and 501 (C) shown by the one-dot chain line, respectively. It has become.
However, in the outdoor slave unit 30 (1) installed along the coast shown in FIG. 4, when a tsunami warning is issued, it is necessary to notify the tsunami warning also to ships etc. traveling near the coast. Therefore, the directions of the speakers 34 (B) and 34 (D) of the outdoor slave unit 30 (1) are changed to the sea side as shown by the broken line, and the broadcast broadcast area 502 is shown by the broken line. B) and 502 (D) must be controlled.

  Then, the person in charge of the administrative organization calls the display unit 208 a speaker angle setting screen (not shown) created based on the information of the speaker angle setting table 209 d in the storage unit 209, and the input unit of the console 2 The speaker 34 of the outdoor slave station device 30 (1) to be changed in direction is selected from 207, and an instruction to change the pan angle and / or the tilt angle of the speaker 34 is input (step S101).

  The parent station control unit 201 of the console 2 refers to the speaker angle setting table 209d, and transmits speaker angle change instruction information to the corresponding outdoor slave station device 30 (step S102).

  In the slave station main unit 3 of the outdoor slave station unit 30, a cloud to which the corresponding speaker 34 is attached based on the speaker angle change instruction information transmitted from the master station unit 10 by the pan head control means 31a of the control unit 31 An angle change control signal of a pan angle and / or a tilt angle is transmitted to the table 35 (step S103).

The pan head 35 of the outdoor slave station device 30 controls a drive unit (not shown) based on the angle change control signal transmitted from the slave station main body device 3 to change the pan angle and / or the tilt angle. (Step S104).
The camera platform 35 sends the post-change angle information back to the slave station main unit 3 (step S105).

  In the slave station main unit 3, the control unit 31 updates the speaker angle setting table 31b based on the changed angle information transmitted from the camera platform 35, and sends the changed angle information back to the master station unit 10. (Step S106).

  The parent station control unit 201 of the console 2 sets the speaker angle of the storage unit 209 based on the changed angle information transmitted from the outdoor slave unit 30, as indicated by the hatched portion in FIG. 3 (b). The table data of the table 209d is updated (step S107).

  In the master station apparatus 10, when the person in charge of the administrative organization inputs information on the tsunami warning from the input unit 207 of the console 2, the master station control unit 201 causes the speech broadcast text generation function 201a to perform a speech on the tsunami warning. Broadcast text is generated (step S108).

The parent station control unit 201 converts the text for the loud sound broadcasting into the sound data for the loud sound broadcasting by the sound conversion function 201b (step S109).
Based on the information on the tsunami warning, the parent station control unit 201 identifies the broadcast broadcast area, and transmits the converted voice data for broadcast broadcast to the outdoor slave station device 30 in the identified broadcast broadcast area ( Step S110).

When the mobile station main unit 3 receives the audio broadcasting broadcast data from the master station 10, the mobile station main unit 3 transmits the audio broadcasting broadcast data to the corresponding speaker 34 (step S111).
The speaker 34 carries out the speech broadcast of the speech for the speech broadcasting based on the speech data for the speech broadcasting transmitted from the slave station main unit 3 (step S112).

  As described above, according to the disaster prevention radio system of the first embodiment of the present invention, the direction of the speaker can be changed after the speaker installation of the outdoor slave station, and the loud sound broadcasting area of the speaker can be easily changed. Can.

Second Embodiment
Hereinafter, the disaster prevention wireless system according to the second embodiment of the present invention will be described with reference to the drawings. In the second embodiment, as in the first embodiment, the case where the present invention is applied to a digital broadcast radio system which is a radio communication system relating to disaster prevention of a municipality or the like is shown.

[Configuration of disaster prevention radio system]
FIG. 6 is a system configuration diagram showing an example of a disaster prevention radio system according to a second embodiment of the present invention. Moreover, FIG. 7 is an internal block diagram which shows the structure of the console of the disaster prevention wireless system based on Embodiment 2 of this invention.
As shown in FIGS. 6 and 7, the disaster prevention wireless system according to the second embodiment is stored in the storage unit 209 of the console 2 in the master station device 10 as compared to the disaster prevention wireless system according to the first embodiment. In the outdoor slave station apparatus 30, a panhead control means 31a and a speaker provided in the slave station control unit 31 instead of the speaker angle setting table 209d are a broadcast broadcast type table 209e and a loudspeaker broadcast type for each speaker broadcast setting table 209f. The configuration is different from that of the broadcast communication system according to the first embodiment, except that the preset means 31c and the loudspeaker broadcast type-specific speaker angle setup table 31d are provided instead of the angle setup table 31b.

Thus, the broadcast broadcast type table 209e and the broadcast broadcast type speaker angle setting table 209f stored in the storage unit 209 of the console 2 will be described with reference to FIGS. 8 and 9. FIG. FIG. 8 is a diagram showing an example of the configuration of a loud broadcast type table in the storage unit of FIG. 7. FIG. 9 is a view showing an example of the configuration of a loudspeaker broadcast type-specific speaker angle setting table in the storage unit of FIG. 7.
As shown in FIG. 8A, in the loud sound broadcast type table 209e, a loud sound broadcast type 209e1 and a type identification ID 209e2 and a loud sound broadcast content 209e3 allocated for each of the loud sound broadcast types are registered in order to specify the loud sound broadcast type. There is.
Further, as shown in FIG. 9, in the speaker angle setting table for each type of broadcast broadcast type, as shown in FIG. 9, the broadcast broadcast type 209f1, type identification ID 209f2 and pan angle and tilt angle of speaker (A) are set for each outdoor slave station device 30. Information 209 f 3, pan angle and tilt angle setting information 209 f 4 of the speaker (B), pan angle and tilt angle setting information 209 f 5 of the speaker (C), and pan angle and tilt angle setting information 209 f 6 of the speaker (D) are registered. ing.

  The storage unit 209 of the console 2 is a broadcast broadcast type table (for J-ALERT) 209 g corresponding to the broadcast type of the emergency information used when the emergency information is received from the J-ALERT facility 4 (FIG. ) May be stored. As shown in FIG. 8B, the broadcast broadcast type table (for J-ALERT) 209g is allocated for each J-ALERT report type in order to specify the J-ALERT report type 209g1 and the J-ALERT report type. The type identification ID 209g2 and the broadcast content 209g3 are registered. In this case, speakers (A) to (D) corresponding to the J-ALERT notification type and the type identification ID included in the emergency information transmitted by J-ALERT in the speaker angle setting table for each type of loud sound broadcasting type in FIG. The setting information of the pan angle and the tilt angle of is registered.

  Further, the preset means 31c provided in the slave station control unit 31 in the slave station main body device 3 of the outdoor slave station device 30 and the speaker angle setting table 31d for each type of loud sound broadcasting will be described. Loudspeaker broadcast type-specific speaker angle setting table 31d is the same table as the above-mentioned loudspeaker broadcast type-specific speaker angle setting table 209f, and is a table related to each of the outdoor slave station devices 30, and the slave station radio unit 32. The preset means 31 c outputs an angle change control signal to the camera platform 35 based on the loud sound broadcasting type information received in the above.

[Operation of disaster prevention radio system]
Next, the operation of the disaster prevention radio system according to the second embodiment of the present invention will be described with reference to FIG. FIG. 10 is a time chart showing an example of the operation in the disaster prevention radio system according to the second embodiment of the present invention.

  For example, when receiving a report of a tsunami caused by an earthquake from the Japan Meteorological Agency, an administrative organization such as a municipality announces and broadcasts a tsunami warning from the speaker of the outdoor slave station apparatus to residents in the area under jurisdiction. In order to inform Tsunami information even to vessels etc. traveling near the coast where it may reach, the direction of the speaker of the outdoor slave station installed near the coast is changed to the sea side, and the tsunami warning There is a need to loud-broadcast.

  Therefore, the person in charge of the administrative organization calls the display unit 208 for a broadcast broadcast type setting screen (not shown) created based on the information in the broadcast broadcast type table 209 e in the storage unit 209, and inputs the console 2. The loudspeaker broadcast type is instructed from the unit 207 (step S201).

  The master station control unit 201 of the console 2 reads the type identification ID of the type of the broadcast broadcast type instructed and input in step S201 with reference to the broadcast broadcast type table 209e, and the type is applied to all outdoor slave stations 30. The identification ID information is transmitted (step S202).

  In the slave unit main unit 3 of the outdoor slave unit 30, based on the type identification ID information transmitted from the master unit 10 by the preset unit 31c of the slave control unit 31, the speaker angle setting table 31d for each loud sound broadcast type is The speaker 34 that needs to be changed is identified, and an angle change control signal of a pan angle and / or a tilt angle is transmitted to the camera platform 35 to which the speaker 34 is attached (step S203).

  The pan head 35 of the outdoor slave station device 30 controls a drive unit (not shown) based on the angle change control signal transmitted from the slave station main body device 3 to change the pan angle and / or the tilt angle. (Step S204).

That is, in the outdoor slave station device 30 (1), as shown in FIG. 4, four speakers 34 (speakers 34 (A), 34 (B), 34 (C), 34 (D)) Normally, the directions are as shown by solid lines, and the broadcast broadcast area 501 is a broadcast broadcast area 501 (A), 501 (B), 501 (C), 501 (C) shown by an alternate long and short dash line. It is supposed to be.
Therefore, for example, since the type identification ID information transmitted from the master station device 10 is "Tsunami warning" of "A001", the preset means 31c of the slave station control unit 31 sets the speaker angle setting table 31d (Fig. 9). 4), the directions of the speakers 34 (B) and 34 (D) are indicated by the broken line in order to inform the ship etc. traveling near the coast as to the tsunami information. As shown in FIG. 1, the broadcast broadcast area is changed to the broadcast broadcast area 502 (B) and 502 (D) indicated by a broken line.

  In the master station apparatus 10, when the person in charge of the administrative organization inputs information on the tsunami warning from the input unit 207 of the console 2, the master station control unit 201 causes the speech broadcast text generation function 201a to perform a speech on the tsunami warning. Broadcast text is generated (step S205).

The parent station control unit 201 converts the text for the loud sound broadcasting into the sound data for the loud sound broadcasting by the sound conversion function 201 b (step S206).
Based on the information on the tsunami warning, the parent station control unit 201 identifies the broadcast broadcast area, and transmits the converted voice data for broadcast broadcast to the outdoor slave station device 30 in the identified broadcast broadcast area ( Step S207).

When the mobile station main unit 3 receives the audio broadcasting broadcast data from the master station 10, it transmits the audio broadcasting broadcast data to the corresponding speaker 34 (step S208).
The speaker 34 carries out the speech broadcast of the speech for the speech broadcasting based on the speech data for the speech broadcasting transmitted from the slave station main unit 3 (step S 209).

  When emergency information is received from the J-ALERT facility 4 and automatic notification is performed by the automatic starter interface 211, since the information on the broadcast type is included in the emergency information, an instruction to input the broadcast broadcast type is input (S201) There is no need.

  Further, in the second embodiment of the present invention, the master station 10 transmits type identification ID information to the outdoor slave station device (S202), but it refers to the speaker angle setting table 209f for each outdoor slave station loud broadcast type. Then, the angle information of the speaker corresponding to the type identification ID may be transmitted.

  As described above, according to the disaster prevention radio system of the second embodiment of the present invention, the direction of the speaker can be changed after the speaker installation of the outdoor slave station, and the loud broadcast area of the speaker can be easily changed. Can.

  Further, since the speaker angle information is set for each broadcast type, it is possible to rapidly broadcast in the direction suitable for the content of the broadcast.

  The present invention is not limited to the above embodiment as it is, and at the implementation stage, the constituent elements can be modified and embodied without departing from the scope of the invention. In addition, various inventions can be formed by appropriate combinations of a plurality of components disclosed in the above embodiments. For example, some components may be deleted from all the components shown in the embodiment.

  Further, in the embodiment of the present invention, the speaker angle change instruction information is transmitted from the master station apparatus before performing the broadcast, but may be transmitted simultaneously with the broadcast.

  In the present invention, a master station apparatus is installed in an administrative organization or the like, and a plurality of slave station apparatuses are installed outdoors or in a facility in an administratively controlled area, and voices etc. for loud broadcast such as disaster related information from the master station apparatus Used in the industry to manufacture a disaster-prevention radio system that transmits information to these slave stations via broadcast radio and outputs information such as voice for speech broadcast received by each slave station as a voice notification from a speaker .

1: Master station radio transmitter / receiver, 2: Operation console, 3: Slave station main unit, 4: J-ALERT equipment, 10: Master station, 11: Master station control section, 12: Master station radio section, 13: Parent station Station antenna, 21: wireless line, 22: wireless line, 30, 30 (1) to 30 (n): outdoor slave station device, 31: slave station control unit, 31a: pan head control means, 31b: speaker angle setting table , 32: slave station radio unit, 33: slave station antenna, 34: speaker, 35: pan head, 36: post, 201: master station control unit, 201a: speech broadcast text generation function, 201b: voice conversion function, 202 : Output interface, 203: speaker, 204: input interface, 205: microphone, 206: display interface, 207: input unit, 208: display unit, 209: storage unit, 209a: slave station management table, 09b: Loudspeaking broadcast information table 209c: Voice data 209d: Speaker angle setting table 209e: Loudspeaker broadcasting type table, 209f: Loudspeaker broadcasting type speaker angle setting table for each, 209g: Loudspeaking broadcast type table (for J-ALERT), 210: Wireless interface, 211: Automatic starter interface, 501 (A), 501 (B), 501 (C), 501 (D), 502 (B), 502 (D): Loudspeaker broadcast area.

Claims (3)

In a disaster prevention radio system configured of a master station device and a slave station device provided with a speaker,
The master station device includes a storage unit storing correspondence information between the identification number of the slave station device and the angle information of the speaker, and based on the correspondence information between the identification number of the slave station device and the angle information of the speaker Call up a speaker angle setting screen, and transmit angle change instruction information instructing change of the pan angle and / or tilt angle of the speaker input on the screen to the slave station device;
The slave station device includes a pan head to which the speaker is attached and which operates to direct the speaker to a predetermined angle, and a pan angle indicated by the angle change instruction information transmitted from the master station device; And / or controlling the camera platform to direct a speaker to a tilt angle . In a disaster prevention radio system configured of a master station device and a slave station device provided with a speaker,
The master station device transmits a report identification ID to the slave station device;
The slave station device includes a camera platform to which the speaker is attached and which operates to direct the speaker to a predetermined angle, and controls the camera platform based on the notification identification ID received from the master station device. A disaster prevention wireless system characterized by In the disaster prevention radio system according to claim 2,
The master station apparatus is connected to a J-ALERT facility, and upon receiving emergency information from the J-ALERT facility, transmits a report identification ID corresponding to the emergency information to the slave station apparatus.
The disaster prevention wireless system, wherein the slave station device controls the camera platform based on the notification identification ID received from the master station device.