JP3988532B2 - Network-type emergency call system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a network-type emergency call system for making a report to a crime prevention monitoring control server, which is a report destination of an emergency alarm, from an emergency alarm device provided in a security light pole via a network.
[0002]
[Prior art]
In recent years, as shown in FIG. 11, in order to respond to the demands of society, as shown in FIG. 11, Japanese Laid-Open Patent Publication No. 2000-251502, etc., in which a surveillance control device and a communication device are provided in a crime prevention light in an urban area and a monitoring center is notified via a network. Multifunctional crime prevention light (streetlight) network system is known.
[0003]
In such a multifunctional security light network system, the security light 100 is provided with a monitoring control device 110 such as a monitoring camera 111, an emergency speaker 112, a microphone 113, and an emergency call switch 114, and a communication transmitting / receiving device 120. The plurality of security lights 100a, 100b,... Are connected by a network NT. In addition, a monitoring center 200 is connected to the network NT, and it is possible to receive a report from the security light 100a.
[0004]
Next, a description will be given of a sequence for reporting in this multifunctional security light network system.
[0005]
First, when the reporter presses the emergency call switch 114 provided in the security light 100a, the communication transceiver 120 provided in the security light 100a transmits control data serving as a notification signal to the monitoring center 200. When the monitoring center 200 receives the notification signal, the monitoring center 200 identifies the security light 100a to which the notification signal is transmitted, and establishes a communication path. Thereby, a voice call can be performed between the microphone 113 provided in the security light 100a and the monitoring center 200. In this case, audio data is transmitted and received between the security light 100 and the monitoring center 200.
[0006]
Moreover, the security light 100 is provided with the monitoring camera 111, and when the emergency call switch 114 is pushed down, it is possible to image the periphery of the security light 100a. The video imaged here is transmitted to the monitoring center 200 as video data.
[0007]
As described above, the monitoring center 200 can identify the crime prevention light 100a where the emergency call switch 114a is pressed, perform a voice call with the reporter, or in the vicinity of the crime prevention light 100a at the time of notification. It is possible to acquire captured images. And even if such a system has a case where a plurality of monitoring target areas exist remotely or a plurality of security lights 100,... Are installed in the same monitoring target area, the security light 100, Can be collectively managed by the monitoring center 200, so that the reporting system is excellent in convenience.
[0008]
[Problems to be solved by the invention]
However, the data related to the notification as described above has different importance depending on the situation. For example, in the initial stage of notification, control data for notifying the monitoring center 200 is important. However, after that, when a report is made and a call is started, voice data that makes a call as much as control data becomes important. In such a notification system, there is often no problem with video data even if the quality of the image is slightly reduced, and it is often required that the audio is not interrupted. The importance of these data changes dynamically depending on the number of reports notified at the same time and the state of the network in the system, and a highly reliable system adapted to these changes has been demanded.
[0009]
The present invention has been made in view of such a reason, and an object of the present invention is to provide a network-type emergency notification system that further improves the reliability of notification.
[0010]
[Means for Solving the Problems]
The network type emergency call system of the invention according to claim 1 includes an emergency call switch, a surveillance camera, a notification microphone and a speaker, an emergency alarm device for transmitting a notification signal, and a notification signal from the emergency alarm device Then, it is a network type emergency call system configured by connecting to a network a security monitoring control server that displays a video captured by the corresponding monitoring camera on the display unit, and the emergency warning device is applied to a notification signal or the like Provided with a bandwidth control unit for controlling bandwidth for transmitting / receiving control data, audio data for a microphone and speaker for notification, video data for a surveillance camera, etc. based on a bandwidth control rule having a predetermined priorityIn addition, when transmitting the notification signal, the identification information given to the emergency warning device is added, and the notification signal is transmitted based on the band control rule, and the security monitoring control server includes the identification information of the security light pole in the system. A positional information database that manages positional coordinate information in association with each other and a map information database for displaying map information corresponding to the positional coordinate information are grouped into a plurality of adjacent security light poles and the group information is grouped. When the notification signal from the emergency warning device is received, the map information where the corresponding security light pole is located is searched based on the identification information acquired when the notification signal is received, and the monitoring camera is displayed on the display unit. The video of the surveillance camera captured by other security light poles in the same group is also displayed on the display. It is displayed together haveIt is characterized by.
[0011]
The network type emergency call system according to a second aspect of the present invention is configured such that, in the configuration of the first aspect, the bandwidth control rule performs bandwidth control so that transmission / reception of audio data is given priority over at least video data.
[0012]
The network type emergency call system of the invention according to claim 3 is the configuration of claim 1, wherein the bandwidth control rule reserves a predetermined bandwidth for control data.
[0013]
The network type emergency call system of the invention according to claim 4 is the configuration of claim 1, wherein the bandwidth control rule assigns a priority to each command constituting the control data and assigns a bandwidth according to the priority. .
[0014]
The network type emergency call system of the invention according to claim 5 is the configuration according to claims 1 to 4, wherein the emergency alarm device sends control data notifying the security monitoring control server when the bandwidth for data transmission is insufficient. I am trying to send it.
[0016]
Claim6The network type emergency call system of the invention according to claim1 or 5In the configuration, when the security monitoring control server receives control data indicating that the bandwidth from the emergency alarm device is insufficient, the display unit displays the fact.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0018]
FIG. 1 shows a system configuration diagram of a network-type notification system. In an emergency alarm device 10 provided for a plurality of security light poles 1, 1,. The security monitoring control server 20 to be installed is connected via a network NT such as the Internet. Each of the emergency alarm devices 10, 10,... And the security monitoring control server 20 has identification information for identifying each device and an IP address used for communication, and bidirectional communication based on TCP / IP is performed. It is possible. The network NT is configured by a wired network such as a twisted pair cable, ADSL, or optical fiber cable, or a network such as wireless communication.
[0019]
FIG. 2 shows a schematic external view of the security light pole 1. The security light pole 1 is a multi-functional streetlight installed outdoors, and at its tip, an illuminating light 11 and a monitoring camera 12 are arranged, and an emergency post for reporting is provided on the support post. An emergency warning device 10 including a call switch 15 and a notification microphone 16 is provided.
[0020]
FIG. 3 shows a block diagram of the security light pole 1. The emergency alarm device 10 is for reporting to the monitoring center, and includes an illuminating light 11, a monitoring camera 12, a red light 13, an emergency speaker 14, and a support column installed at the tip of the crime prevention light pole. Peripheral devices such as an emergency call switch 15, a notification microphone 16, a notification speaker 17, and a notification camera 18 that are installed at appropriate positions are provided. The emergency alert device 10 includes a transmission / reception unit 31, an image processing unit 32, an audio processing unit 33, an image storage unit 34, a control unit 35, and the like in the device main body.
[0021]
The illuminating lamp 11 is an illuminating device disposed at the tip of the crime prevention light pole 1 as a street light, and is controlled by a timer, an illuminance sensor, or the like. Further, at the time of an alarm operation to be described later, the surrounding light of the security light pole 1 is lit up.
[0022]
The surveillance camera 12 is a movable camera for always imaging the situation around the security light pole 1 and, as will be described later, in the security monitoring control server 20, the imaging direction such as pan / tilt and the focal length such as zoom are set. It is possible to control. In addition, an image file compressed by the image processing unit 32 is generated from the captured image, and is stored and stored in the image storage unit 34. The image storage unit 34 includes, for example, a FIFO-type buffer or a ring buffer that stores 600 frames captured per second for every frame and permits overwriting of images that are no longer necessary.
[0023]
The red lamp 13 and the emergency speaker 14 turn on and turn on a rotary reflector provided in the interior and activate a predetermined warning sound at a high volume when an alarm is described later.
[0024]
The emergency call switch 15 serves as a trigger for alarm operation, and is installed at an appropriate position on the column of the security light pole 1. Here, the appropriate position refers to, for example, a position where the caller can easily press the emergency call switch 15. The emergency call switch 15 is a trigger for transmitting a notification signal to the security monitoring control server 20 as well as a trigger for a predetermined operation in the security light pole 1 described above. The operation at the time of reporting will be described in detail later.
[0025]
The reporting microphone 16 and the reporting speaker 17 are for the reporting party to talk to the worker of the monitoring center 2. Here, when the emergency call switch 15 is pressed at the time of reporting, a communication path with the crime prevention monitoring control server 20 in the monitoring center 2 is established. The voice input from the reporting microphone 16 is compressed by the voice processing unit 33 and transmitted to the monitoring center 2 via the speaker amplifier. On the other hand, the voice input from the monitoring center 2 is expanded by the voice processing unit 33 and is output to the notification speaker 16 via the speaker amplifier. Note that the voice call here uses VoIP technology.
[0026]
The notification camera 18 assists the call between the reporter and the operator of the monitoring center 2. At the time of reporting, the video from the reporting camera 18 is compressed by the image processing unit 32 and transmitted to the monitoring center 2. Similarly to the monitoring camera 12, the video is accumulated and saved in the image storage unit 34.
[0027]
The transmission / reception unit 31 is used for communication between the emergency alarm device 10 and the crime prevention monitoring control server 20, and includes a LAN boat, communication software, and the like. The image processing unit 32 and the audio processing unit 33 are for processing audio signals and video signals from the connected microphones and speakers as audio data and video data, and are constituted by a video board or the like.
[0028]
The security light pole 1 is grouped for each of a plurality of adjacent security light poles, and each group includes communication devices such as a HUB and a router. This communication device also has a function as a gatekeeper in VoIP. The information of these groups is managed together with the identification information of the emergency alarm device 10 in the crime prevention monitoring control server 20, and a subnet mask is set for each group. For example, simultaneous broadcast communication Thus, it is possible to perform simultaneous control such as turning on the red lights 13 of the security light poles 1, 1,.
[0029]
In addition, the transmission / reception unit 31 of the emergency warning device 10 serving as a group leader includes a bandwidth control unit 36 that monitors the bandwidth in the network NT and controls data transmitted to and received from the monitoring center 2. The band control unit 36 cooperates with the control unit 35 and the transmission / reception unit 31 to allocate a band of control data, audio data, and video data based on a predetermined band control rule to perform communication. The bandwidth control function will be described later in detail.
[0030]
The monitoring center 2 manages the network-type emergency call system and is connected to the network NT. The monitoring center 2 includes a crime prevention monitoring control server 20 that manages the emergency call system, a display unit 40 that is configured by a display device and the like, and an input unit 50 that is configured by a pointing device and a keyboard. Peripheral devices such as a speaker 60 and a microphone 61 for inputting and outputting voice during a call are provided.
[0031]
FIG. 4 shows a block diagram of the crime prevention monitoring control server 20. The security monitoring control server 20 includes a main control unit 21, a transmission / reception unit 22, an image storage unit 23, an image processing unit 32, an audio processing unit 33, a position information database DB1, a map information database DB2, a history information database DB3, and the like.
[0032]
The main control unit 21 is configured by hardware such as a CPU and a memory, and software such as an OS and an application program, and controls the operation of the security monitoring control server 20. The application program here includes, for example, an application that performs emergency call event processing, an application that performs surveillance camera image return event processing, and the like. The main control unit 21 includes an application for operating a database, and performs operations such as data search, registration, and deletion with a database to be described later. For example, when a request for database operation occurs, the corresponding database is operated by an application operating in the main control unit 21 in response to the request.
[0033]
The general operation of the main control unit 21 will be described. When the transmission / reception unit 22 receives control data transmitted from the security light poles 1, 1,..., The content of the control data is transferred to the main control unit 21. . The main control unit 21 analyzes the contents to determine an event type such that the contents are, for example, an emergency call event or a monitoring camera image reply event, and performs processing according to the event. For example, if the control data includes a notification signal, the content of the control data is interpreted as an emergency notification event, and control data to be a call request to the crime prevention light pole 1a to which the notification signal is transmitted, Processing such as outputting an operation request to a predetermined database is performed.
[0034]
The image storage unit 23 is for storing an image captured at the security light pole 1 and transmitted to the security monitoring control server 20, and is configured by a storage device such as a hard disk device or a DVD recorder, for example. The image stored here is stored, for example, as an MPEG format file having a report number as a file name. As a result, the video of the 12 cameras for monitoring the security light pole 1 to which the notification has been transmitted is managed by the image storage unit 23 of the security monitoring control server 20.
[0035]
The position information database DB1 is a database related to the crime prevention light pole 1, and stores identification information, installation location, group, position coordinate information, and the like of the emergency warning device 10. In this position information database, various information including position coordinate information can be acquired using the identification information as a main key.
[0036]
The map information database DB2 is a database relating to a map to be displayed on the display unit 40, and stores position coordinate information, a map file name corresponding to the position coordinate information, and the like. The map information database DB2 can acquire a corresponding map using the position coordinate information as a main key.
[0037]
The history information database DB3 is for storing information related to the report, the report number serving as an index for managing the history, the identification information of the security light pole that has reported, the report date and time, the video of the monitoring camera 12 Information, report type, processing result type, etc. are stored.
[0038]
FIG. 5 is a screen configuration example in the display unit 40 of the monitoring center 2. On the left screen, a map showing the location of the security light pole is displayed. The left screen includes a map display area 41, an alarm occurrence notification area 42, an alarm details display area 43, a security light selection area 44, a system operation menu area 45, and the like.
[0039]
The map display area 41 is an area for displaying a map of the place where the notification signal is transmitted. When the security monitoring control server 20 receives the notification signal from the security light pole, the security light pole 1a that transmitted the notification signal is displayed. Is displayed on the map display area 41 in the approximate center. At this time, the position of the security light pole 1, 1,... On the map is displayed with a blue mark in the normal time, but at the time of notification, the position of the security light pole 1a that transmitted the notification signal is displayed in red. In addition to displaying with a mark, the display is highlighted such as enlarged display or blinking display.
[0040]
The alarm occurrence notification area 42 is an area for displaying the presence or absence of an alarm. For example, an alarm is displayed using an icon indicating a red light, and an alarm sound is output from the speaker 60.
[0041]
The alarm content display area 43 is an area for displaying the content of the alarm, and displays the identification information and the notification date and time of the emergency alarm device 10 that has transmitted the notification signal. Further, the alarm content display area 43 includes an alarm release button, and when the alarm is released, control data is transmitted to the crime prevention light pole 1a on which the alarm is displayed by operating the button. The alarm operation of the device 10 can be canceled.
[0042]
The security light selection area 44 is an area for switching the map of the security light pole to be displayed, and includes display selection buttons 44A, 44B,... Corresponding to the identification information of the emergency warning device 10. One display selection button is always selected like a radio button, and when the selected display selection button is changed, the map displayed in the map display area 41 is switched. In addition, in synchronization with the switching of the map displayed in the map display area 41, an active screen on the right screen described later is switched.
[0043]
The system operation menu area 45 provides an operation menu for operations related to the entire system, such as ending display on the display unit 40 or interrupting transmission of video from the security light pole 1. In addition, an operation menu for device diagnosis at the security light pole 1 is also prepared, and these instructed commands are transmitted.
[0044]
The right screen displays an image of the surveillance camera 12 captured by the security light pole. At the time of notification, not only the image 46a captured by the security light pole 1a that transmitted the notification signal but also images of the security light poles 1b, 1c,. Images 46b and 46c of the monitoring camera 12 are also displayed. The video 47 of the notification camera 18 is also displayed. Here, the images transmitted from the monitoring camera 12 and the notification camera 18 are displayed on a plurality of small screens obtained by dividing the screen.
[0045]
A camera control area 48 is provided around the divided small screens. This camera control area is for performing camera control of the corresponding monitoring camera 12 or notification camera 18, and is configured by a GUI for operating pan / tilt / zoom. In this case, for example, the lower scroll bar performs pan operation, the left portion performs tilt operation, and the upper portion performs zoom operation. Since one of the small screens can be selected as an active screen capable of individual camera control, the camera corresponding to the active screen can be operated. At the time of reporting, the crime prevention light pole 1a that has transmitted the report is selected as the active screen.
[0046]
A band information display area 49 is provided at the top of the small screen. In this band information display area 49, band information of the network NT between the emergency warning device 10 of the security light pole 1 and the security monitoring control server 20 of the monitoring center 2 is displayed. Here, as will be described later, the emergency alert device 10 is configured to transmit control data for notifying that when the bandwidth for transmitting and receiving video data is insufficient, the security monitoring control server 20 When this control data is received, it is displayed in the band information display area 49. Here, for example, the band information display area 49 is displayed with a blue icon when the band is sufficient, turns yellow when the band for transmitting video data is insufficient, and the band for audio data If there is not enough, the display changes to red. The display of the band information is an example, and it is easy to change the design such as displaying characters.
[0047]
Next, the operation at the time of notification of the network type emergency call system will be described.
[0048]
FIG. 6 shows a sequence until a map is displayed on the display unit 40 of the monitoring center 2 when the emergency call switch 15 provided in the security light pole 1 is pressed.
[0049]
When the reporter presses the emergency call switch 15 provided in the emergency warning device 10 in the security light pole 1 (S1), the control unit 35 adds the identification information of the self to the report signal for reporting to the monitoring center 2. Control data is created and transmitted to the monitoring center 2 via the transmission / reception unit 31 (S2) (S3).
[0050]
The transmission / reception unit 22 of the monitoring center 2 receives the transmitted control data (S4). The main control unit 21 analyzes the control data, acquires the identification information of the emergency warning device 10a that has transmitted the notification signal from the analyzed content, and inquires the position information database for the position information based on the information (S5). . The position information database searches using the identification information as a key, and returns a search result including the position coordinate information to the main control unit 21. Receiving the response, the main control unit 21 inquires the map information database for map information based on the position coordinate information of the search result (S6). The map information database searches the map for which an inquiry has been made and returns a response. Then, the main control unit 21 displays the returned map file on the display unit 40 (S7). In this way, the monitoring center 2 displays a map that displays the crime prevention light pole 1a to which the report has been transmitted substantially in the center.
[0051]
Next, the process flow of the notification process in the security light pole 1 will be described in more detail based on FIG.
[0052]
The control unit 35 of the emergency warning device 10 performs event monitoring 70 in the security light pole 1. When the emergency call switch 15 is pressed in this state, the notification process 71 is activated. The notification process 71 is a state notification process 72 for creating and notifying the monitoring data including the identification information (ID) and the state (STATUS) assigned to the emergency warning device, and the images of the notification camera 18 and the monitoring camera 12 are displayed. A command is issued to the video transmission processing 73 to be transmitted and the line connection processing 74 for transmitting and receiving the voice related to the call. Each commanded process inquires the bandwidth management process 75 having a bandwidth control function about the bandwidth status of the network NT. The bandwidth management process 75 allocates bandwidths for control data, audio data, and video data based on the set bandwidth control rules, and returns the information to each process as an inquiry result. Each process that receives the inquiry result performs the process according to the allocated bandwidth information.
[0053]
For example, when the number of lines that can be connected is exceeded, the band management process 75 notifies the line connection process 74 that there is no free band. In this case, the line connection process 74 holds the requested call. When the bandwidth management processing 75 detects that a free bandwidth is available, the bandwidth management processing 75 notifies the line connection processing 74 to that effect, whereby the call request line that has been put on hold is connected, and a call can be made. It is like that.
[0054]
Next, the band control function and the band control rule constituting the main part of the present invention will be described with reference to FIGS.
[0055]
FIG. 8 is an explanatory diagram showing bandwidth allocation in the network NT. FIGS. 8 (A), 8 (B), and 8 (C) show that the number of emergency alarm devices 10 during reporting is one, two In this case, the number of units is N. Here, the entire bar graph indicates a bandwidth that can be used for communication between the emergency alarm device 10 and the security monitoring control server 20.
[0056]
For example, FIG. 8A shows that a bandwidth for control data such as a terminal ID and STATUS, a bandwidth for audio data indicated by SOUND, and a bandwidth for video data indicated by VIDEO are reserved in the bandwidth. ing. It also shows that the bandwidth for video data is reserved wider than the bandwidth for control data and the bandwidth for audio data.
[0057]
FIG. 8B shows a case where there is a report from two emergency alarm devices 10, and in this case, the bandwidth related to the voice data is twice that of FIG. 8A. Since the bandwidth related to the audio data is increased, the bandwidth related to the video data is reduced. Therefore, this bandwidth control rule is an example of bandwidth control according to the bandwidth rule when audio data is prioritized over video data. Moreover, although the number of emergency alert devices 10 to be reported has doubled, the bandwidth related to control data has not increased so much. This indicates that the bandwidth related to the control data is reserved in advance in a sufficiently large bandwidth with respect to the amount of control data to be transmitted and received.
[0058]
FIG. 8C shows a case where there are notifications from N emergency alarm devices 10. In this case, the allocation of bandwidths for control data, audio data, and video data is almost the same as in FIG. 8B. It is the same thing. In this case, the number of emergency alert devices 10 to be notified has increased, but the bandwidth for voice data has not increased so much. This indicates that when the number of lines that can be connected is exceeded, no new bandwidth is allocated for voice data.
[0059]
Such a band control rule can be expressed as a band control rule as shown in FIG. 9, for example. Here, a band control rule when three emergency alarm devices 10 are connected in the same group is shown, and Pri_1, Pri_2, and Pri_3 indicate their priorities. In addition, the one with a smaller subscript number indicates a higher priority.
[0060]
Further, this band control rule will be further explained. When any one of the emergency alarm devices 10 in the group starts the notification process, there is no other notification state. It shows that band control is performed according to the band control rule. In this case, the band control rule is such that control data and audio data are given the highest priority, and the priority of video data is set low. The middle band control rule shows an example in which notification processing is performed in two emergency alarm devices 10 in the group. In this case, the priority of the video data of the second emergency alarm device 10 is shown. Indicates that the priority is set lower than the priority of the video data of the first emergency warning device 10. Note that the priority of control data and audio data is the same as that of the first unit.
[0061]
The lower band control rule shows an example in which notification processing is performed in the three emergency alarm devices 10 in the group. In this case, priority is given to the control data and video data for the third device. The priority is the same as the priority in the previous bandwidth control rule, but the priority of the voice data is blank due to the limitation on the maximum number of connected lines. By using such a band control rule, it is possible to reserve a band for control data, audio data, and video data and perform band control. The band control rule shown here is an example, and it is easily estimated that the notification system that is band-controlled based on the design concept as described above is within the scope of the present invention.
[0062]
FIG. 10 explains each command constituting the control data. These commands are mainly commands for diagnosing equipment in the security light pole 1, and the emergency warning device 10 periodically transmits to the monitoring center 2, or is selected and transmitted on the screen of the display unit 40 of the monitoring center 2. It is what is done. The command shown in this figure is an example. For example, the communication in this figure is a command for diagnosing and notifying the communication state between the security light pole 1 and the monitoring center 2, and what is a lamp? This is a command for diagnosing and notifying the state of the illumination lamp 11 of the security light pole 1.
[0063]
The priorities illustrated in this figure are set such that, for example, high for communication and low for lamps. These priority settings have the same setting file in both the security light pole 1 and the monitoring center 2. Thereby, when transmitting as STATUS, the emergency alert device 10 performs transmission from the one with the highest priority among the ones accumulated in the transmission queue. In this way, by setting settings such as high, medium, and low in the control data, the control data also has different priorities for each command, and according to those priorities. Fine band control can be performed.
[0064]
As described above, the emergency alarm device 10 transmits the control data related to the emergency call switch 15 and the like, the audio data related to the notification microphone 16 and the speaker 17, and the video data related to the monitoring camera 12 and the notification camera 18 at the time of notification. Since the bandwidth is controlled by a bandwidth control rule having a predetermined priority, the data transmitted when sending the notification signal is controlled and transmitted based on the bandwidth control rule, so that the reliability of the notification can be further improved. It has become.
[0065]
Further, the bandwidth control rule here performs bandwidth control so that transmission of audio data is given priority over video data at least, so that the quality of a call is guaranteed by transmitting audio data with priority. Since the bandwidth control rule reserves a predetermined bandwidth for the control data, it is possible to notify the notification more reliably by being transmitted with priority over other data. Furthermore, since the bandwidth control rule assigns a priority to each command constituting the control data and assigns a bandwidth according to the priority, data transmission is performed according to what is prioritized in the control data and what is not. Therefore, fine band control according to the control data can be realized.
[0066]
Then, the emergency warning device 10 transmits the identification information given to the security light pole based on the band control rules at the time of reporting, and the security monitoring control server transmits the identification information and the position of the security light pole 1 in the system. A location information database DB1 that manages coordinate information in association with each other and a map information database DB2 for displaying map information corresponding to the location coordinate information are provided. Based on the acquired identification information, the map information where the corresponding crime prevention light pole is located is searched and displayed together with the video of the monitoring camera 12 on the display unit 40, which is more convenient. It has become.
[0067]
Further, when the bandwidth for data transmission is insufficient, the emergency alarm device 10 transmits control data notifying the fact to the security monitoring control server 20, and the security monitoring control server 20 has a bandwidth from the emergency warning device 10. When the control data indicating the shortage is received, the fact is displayed on the display unit 40, so that it is possible to know the lack of bandwidth for communication on the monitoring center 2 side, and the monitoring camera 12 It becomes possible to confirm the information of the target band together with the information of the video and the notification position.
[0068]
Note that the network-type emergency call system of the present invention is not limited to the one described above. For example, the network-type emergency call system can be configured to perform band control processing for each security light pole 1,. Of course, various changes can be made without departing from the scope of the present invention, such as providing the emergency alarm device 10 in a different device, for example, a device such as an equipment clock.
[0069]
【The invention's effect】
The network type emergency call system of the invention according to claim 1 includes an emergency call switch, a surveillance camera, a notification microphone and a speaker, an emergency alarm device for transmitting a notification signal, and a notification signal from the emergency alarm device Then, it is a network type emergency call system configured by connecting to a network a security monitoring control server that displays a video captured by the corresponding monitoring camera on the display unit, and the emergency warning device is applied to a notification signal or the like Since it is provided with a band control unit for controlling the band for transmitting and receiving the control data, the voice data for the report microphone and the speaker, the video data for the surveillance camera, etc. based on the band control rule having a predetermined priority, the report signal Since the data transmitted at the time of transmission is controlled and transmitted based on the bandwidth control rules, It is possible to further improve the resistance.In addition, the emergency warning device adds the identification information given to the security light pole at the time of transmission of the notification signal, transmits the notification signal based on the band control rule, and the security monitoring control server also transmits the security light in the system. A position information database for managing the identification information of the pole and the position coordinate information in association with each other, and a map information database for displaying the map information corresponding to the position coordinate information, and receiving a notification signal from the emergency warning device Then, based on the identification information acquired at the time of receiving the notification signal, the map information where the corresponding security light pole is located is searched and displayed together with the video of the surveillance camera on the display unit, which is more convenient. It has become. Furthermore, it is possible to perform simultaneous control of security light poles within the same group.
[0070]
The network type emergency call system of the invention according to claim 2 is the configuration according to claim 1, wherein the bandwidth control rule controls the bandwidth so as to give priority to transmission / reception of audio data over at least video data. Since voice data is transmitted / received with priority over quality, the quality of calls is guaranteed.
[0071]
The network type emergency call system of the invention according to claim 3 is the configuration according to claim 1, wherein the bandwidth control rule reserves a predetermined bandwidth for control data, so that it is transmitted with priority over other data. By this, it becomes possible to notify the notification more reliably.
[0072]
The network-type emergency call system of the invention according to claim 4 is the configuration according to claim 1, wherein the bandwidth control rule assigns a priority to each command constituting the control data and assigns a bandwidth according to the priority. Since data is transmitted according to data that is prioritized and data that is not prioritized, fine bandwidth control according to control data can be realized.
[0073]
The network type emergency call system of the invention according to claim 5 is the configuration according to claims 1 to 4, wherein the emergency alarm device sends control data notifying the security monitoring control server when the bandwidth for data transmission is insufficient. Since the transmission is performed, the lack of bandwidth can be known on the monitoring center side.
[0075]
Claim6The network type emergency call system of the invention according to claim1 or 5In this configuration, when the security monitoring control server receives control data indicating that the bandwidth from the emergency alarm device is insufficient, the display unit displays that fact. Together with the position information, it is possible to confirm the information of the target band.
[Brief description of the drawings]
FIG. 1 is a system configuration diagram of a network-type emergency call system according to an embodiment.
FIG. 2 is a schematic external view of the security light pole described above.
FIG. 3 is a block diagram of the security light pole described above.
FIG. 4 is a block diagram of the above-described crime prevention monitoring control server.
FIG. 5 is an explanatory diagram showing a screen configuration example in the display unit same as above.
FIG. 6 is a sequence diagram related to map information display at the time of reporting.
FIG. 7 is a processing flow chart at the time of reporting in the emergency alert device same as above.
FIG. 8 is an explanatory diagram for explaining band control according to the embodiment;
FIG. 9 is an explanatory diagram for explaining the band control rule of the above.
FIG. 10 is an explanatory diagram for explaining an example of control data.
FIG. 11 is a system configuration diagram of a network type emergency call system according to a conventional example.
[Explanation of symbols]
1 Security light pole
10 Emergency warning device
12 Surveillance camera
15 Emergency call switch
36 Band control part
2 monitoring center
20 Security monitoring and control server
40 display section
NT network

Claims (6)

An emergency alert switch that includes an emergency call switch, a monitoring camera, a notification microphone and a speaker, and that transmits a notification signal, and a video that is captured by the corresponding monitoring camera when receiving a notification signal from the emergency alarm device is displayed on the display unit. A network-type emergency call system configured by connecting a security monitoring control server to be displayed to a network, wherein the emergency alarm device includes control data related to a report signal, voice data related to a notification microphone and speaker, and monitoring Equipped with a bandwidth control unit that controls the bandwidth for transmitting and receiving video data related to cameras, etc. based on bandwidth control rules with a predetermined priority, and adds identification information given to emergency alert devices when sending notification signals And transmitting a notification signal based on the bandwidth control rule, and the security monitoring control server Each of a plurality of adjacent security light poles includes a position information database that manages the identification information of the crime light pole and the position coordinate information in association with each other, and a map information database for displaying map information corresponding to the position coordinate information. When the notification signal from the emergency warning device is received, the map information where the corresponding security light pole is located is searched based on the identification information acquired when the notification signal is received. The network type emergency characterized in that the display unit displays together with the video of the monitoring camera, and further displays the video of the monitoring camera picked up by another security light pole in the same group together on the display unit. Notification system.   The network-type emergency call system according to claim 1, wherein the bandwidth control rule performs bandwidth control so that transmission / reception of audio data has priority over at least video data.   The network type emergency call system according to claim 1, wherein the band control rule reserves a predetermined band for control data.   2. The network-type emergency call system according to claim 1, wherein the bandwidth control rule assigns a priority to each command constituting control data and assigns a bandwidth according to the priority.   The network-type emergency call system according to any one of claims 1 to 4, wherein, when the bandwidth for data transmission is insufficient, the emergency warning device transmits control data notifying the fact to a security monitoring control server. 6. The network-type emergency call system according to claim 1 or 5, wherein when the security monitoring control server receives control data indicating that a bandwidth from the emergency warning device is insufficient, the display unit displays the fact. .

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