JP2001069493A - Total supervisory system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify a configuration by transmitting/displaying an image signal photographing a condition inside the room to a monitor with a digital video signal and transmitting/displaying the output signal of a sensor for monitoring equipment facilities in the room to the monitor while utilizing the video signal. SOLUTION: A computer installed in a convenience store A1A and POS terminals 12A and 12B are connected through a network 11 to a host computer 14 of a head office 5. Television cameras 20A to 20D and sensors 30A to 30D are installed near a cashier or article rack. The analog signals of the sensors 30A to 30D for detecting the temperatures of equipment or the like are converted to code signals, connected to the television cameras 20A to 20D in the shortest distance and inserted to the blanking intervals of television signals. Afterwards, the output signals of the television cameras 20A to 20D are multiplexed in time division manner and connected through the computer 10 to the network 11. In the host computer 14, the multiplexed signals are demultiplexed and displayed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an integrated monitoring system, and more particularly, to an integrated monitoring system suitable for use in a convenience store.

[0002]

2. Description of the Related Art Convenience stores (hereinafter referred to as convenience stores)
A system in which a television camera for surveillance is installed in a store, and the image information is recorded on a video table for emergency use is well known. This system is installed for the purpose of crime prevention, and it is not usually performed to reproduce and view a photographed image in normal times. In addition, Japanese Patent Application Laid-Open No. 6-783
Japanese Patent Application Publication No. 06-2006 has a plurality of image storage memories, in which video signals of a television camera are sequentially stored in a time-sequential manner at predetermined intervals in a memory. An image recording / reproducing apparatus for immediately stopping writing is disclosed. Since several frames of images before the emergency button is pressed are held in the memory, by reproducing them later, a good reproduced image can be reproduced even in an emergency, and in addition to the emergency surveillance camera system, An object of the present invention is to provide a usable image recording / playback system.

On the other hand, in a convenience store, there are also required devices and facilities such as a refrigerator and a pot, which need to constantly monitor whether or not the function is operating normally. But,
The use of these two monitoring systems in space-constrained places, such as convenience stores,
This narrows the scope for introducing other devices and systems.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a monitoring system using a television camera and a total monitoring system using a sensor, which can be used in a place where space is limited, such as a convenience store. To provide a suitable comprehensive monitoring system.

[0005]

SUMMARY OF THE INVENTION The feature of the present invention is that an image signal obtained by photographing an indoor situation with a television camera is converted into a digital video signal, which is transmitted as a television signal to a monitor outside the room and displayed. In the monitoring system,
An output signal of a sensor for monitoring the indoor equipment is transmitted and displayed on the monitor using a television signal of the television camera.

A feature of the present invention is a general surveillance system for converting an image signal obtained by photographing an indoor situation with a television camera into a digital video signal, transmitting the digital signal as a television signal to a controller and a monitor outside the room, and displaying the television signal. Transmitting means for performing code conversion on an output signal of a sensor for monitoring the indoor equipment and inserting the code signal into a blanking period of a vertical scanning signal or a horizontal scanning signal of the television signal and transmitting the code signal to the controller; A controller separates the code signal from the television signal and includes a monitor control unit for selectively displaying the image or the sensor output on the monitor.

According to the present invention, as a comprehensive monitoring system using a TV camera and a sensor together, it is possible to provide a simplified comprehensive monitoring system suitable for use in a place where space is limited, such as a convenience store. it can.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing the overall configuration of a comprehensive monitoring system according to an embodiment of the present invention, and FIG.
1 is a plan view of a convenience store in which the integrated monitoring system of FIG. The POS terminals 12 (AB) and the computer 10 of each convenience store 1 (1A, 1B, 1C) are connected to the network 1
1 is connected to the host computer 14 of the convenience store headquarters 5. The television camera 20 (20A to 20A) is located near the cash register 3 and the shelf 4 in the convenience store 1.
D) and a sensor 30 (30A to 30D). In the backyard 2 of the convenience store, a computer 10 also serving as a monitor is installed. POS terminal 1
2 and the host computer 14 are CPUs (13A, B,
15), memories (14A, 14B, 16) and a monitor screen (display). The computer 10 also includes a CPU and a memory. An external storage device 17 and a monitor 18 are connected to the host computer 14.

Image signals and audio signals photographed by each of the television cameras 20A to 20D are converted into multiplexed time-division signals including a video signal of 5 MHz or less and an FM signal of 10 MHz through a wiring 25, a computer 10, and a network 11 via a convenience store. It is transmitted to the host computer 14 of the headquarters 5. In the following embodiments, description of audio signals will be omitted.

In the vicinity of each of the television cameras 20A to 20D, sensors 30A to 30D for monitoring the state such as temperature and humidity of equipment such as pots are arranged. Each sensor 3
The output signals of 0A to 30D are guided to the computer 10 using the wiring 35 connected to the television cameras 20A to 20D which are closest in distance and the wiring 25 of the television cameras 20A to 20D. However, if you want to monitor the status of a specific device such as a pot at the same time using the video from the TV camera and the output of the sensor, the specific device uses the wiring of the TV camera within the field of view to output the output of the corresponding sensor to the computer. 10 may be led.

The host computer 14 has a program for processing and reproducing image signals and audio signals, and a program for processing and reproducing code signals of sensors. Further, the host computer 14 includes a program for creating an interactive menu screen using a monitor, for example, a program for creating a menu screen such as a monitoring screen and a playback screen. Furthermore, a program for display attribute setting means, a program data memory for storing data necessary for screen data creation, and an operation for receiving and inputting operation signals from a touch screen, a mouse, or a keyboard installed on a monitor. An input section, a screen data creation processing section for creating necessary screen data in accordance with an input from the operation input section, and screen data such as a bit map memory and a frame memory for storing the screen data created by the screen data creation processing section Has memory. In addition, as operations related to screen control, screen operations, enlargement, reduction, movement, switching, and the like can be performed. For example, when a device on the screen is clicked with a mouse, a pop-up menu for monitoring the device is displayed, and one of the menus is selected, and a keyboard (not shown) is selected based on the selected menu. , Or a lower-level menu is displayed based on the selected menu.

Next, referring to FIGS. 3 and 4, the image signals of the television cameras 20A to 20D and the sensors 30A to 30D will be described.
The transmission and reception of the D output signal to and from the LAN will be described.
First, in FIG. 3, analog image signals captured by the television camera 20 are sequentially converted into digital video signals by an A / D converter, processed by a digital signal processor (DSP) 62, and compressed by a compression unit 63. Interface 64, four-part switch 66, L
Ethernet 7 via the AN interface 67
0 is sent to the LAN constructed. Multi-split switch,
Here, the four-division switch 66 is connected to each TV camera 20A.
-20D are sequentially switched and transmitted.
71 is a router.

On the other hand, the analog signal output from the sensor 30 is sequentially converted into a digital signal by an A / D converter 65, and as a code signal together with a video signal via an interface 64, the network 11 connected via a LAN. Sent to.

The video signal is supplied to a four-division switch 66.
Is sent to the convenience store time lapse VTR 68,
The information is recorded on the video tape for a predetermined time, and further displayed on the screen of the computer 10 which also serves as the monitor 69 based on the menu operation of the administrator. Further, the sensor signal is recorded and stored in the memory of the computer 10 for a predetermined time, and is displayed on the screen of the computer 10 based on the menu operation of the administrator. Although the computer 10 also serves as the LAN interface 67 and the monitor 69, the computer may be provided with only the LAN interface and the monitor, and the computer may be omitted.

On the other hand, the host computer 14 of the convenience store headquarter 5 takes in the video signal from the network 11 and records it on the video tape of the time lapse VTR 72 for a predetermined time.
The monitor 1 is operated by the administrator operating the menu 4
8 is displayed on the screen. The sensor signal is recorded and stored in the external storage device 17 or the memory for a predetermined time.
It is displayed on the screen of the monitor 18 based on the menu operation of the administrator.

As shown in FIG. 4, an analog image signal photographed by the television camera 20 is converted into a digital video signal, and is converted into a digital video signal.
2 and converted into, for example, an NTSC television signal. An NTSC television signal has five scanning lines.
There are 25 lines, the number of fields is 60 fields per second, and the vertical scanning signal has a blanking period of about 20H in a period of 525/2 vertical V synchronization. The output signal of the sensor 30 is converted into a code signal, inserted into the blanking period, for example, at the 10th hour, and transmitted to the network 11. If one TV camera 20 has two sensors 3
If 0 corresponds, two types of code signals are inserted and carried, for example, at the 10th and 11th hours.

On the other hand, the controller 14 at the headquarters separates the television signal received via the network 11 into a digital video signal and a code signal, and records the digital video signal on a video tape of the time-lapse VTR 72.
The image is reproduced and displayed on the screen of the monitor 18 via the capture 73. The code signal is output to the monitor 18 via the serial interface. Although illustration is omitted, the computer 10 in the convenience store is similarly operated,
The digital video signal of the TV camera and the code signal of the sensor are output and displayed on the monitor screen.

FIGS. 5 to 8 show display examples of the monitor screen. FIG. 5 shows an example of the menu screen, which includes (1) a monitoring screen, (2) a reproduction screen, and (3) a setting screen. The administrator can view the monitoring status of the sensor on the monitor screen (divided into four) by selecting the monitor screen. Also,
By selecting the playback screen, the image captured by the television camera can be viewed on the monitor screen (4 divisions). In addition, select the setting screen, the layout of the monitoring device, the angle of the TV camera and the display range on the monitor screen,
The monitoring function of each sensor can be set.

FIG. 6 shows a monitor screen when a layout is selected on the setting screen, in which the layout of the TV cameras and sensors in the convenience store is displayed. (1) is a sensor that detects the pot temperature and water volume,
(2) is a sensor that detects the temperature of the can warmer,
(3) a sensor for detecting the temperature and humidity of a refrigerated showcase, (4) a sensor for detecting the cleanliness of a lunch box, (5) a sensor for detecting water flow in a toilet,
(6) is a sensor for detecting the temperature of the refrigerator. In addition, a sensor for detecting generation of smoke or gas leakage due to electric leakage or the like may be provided.

To set or change the arrangement of TV cameras and sensors and the correspondence between each TV camera and each sensor, click the target TV camera or sensor or select a lower screen from the hop-up menu. Make detailed settings.

FIG. 7 shows a setting screen of the sensor.
, You can set the name of monitoring target of the sensor and the monitoring items. You can also set the display and warning method when there is any abnormality in the monitoring item or when action is required.

FIG. 8 shows an example in which the output of the sensor 30A for detecting the temperature and the amount of water in the pot is displayed on the monitor screen together with the pot image of the television camera 20A. From this monitor screen, the administrator can know whether the pot is operating normally, whether the amount of water is appropriate, and the like.

If there is any abnormality in a particularly important item among the monitoring items of each sensor or if a measure is required, an administrator or a warning light or the like attached to the controller 14 or the computer 10 is used to separately notify the administrator or the administrator. The clerk may be alerted.

The sensor 3 converted into a code signal
The output signal of 0 may be carried using the blanking period of the horizontal scanning signal.

As described above, according to the comprehensive monitoring system of the present invention, the transmission and reproduction of the signal of the video image picked up by the television camera and the detection signal of the sensor are performed using the common communication system. Is simplified. Therefore, it is suitable as a comprehensive monitoring system for places where there is not enough space such as convenience stores.

The present invention can be widely applied not only to convenience stores but also to a comprehensive monitoring system using a television camera and a sensor together.

[0027]

According to the present invention, it is possible to simplify the configuration of a comprehensive monitoring system using a television camera and a sensor together.

[Brief description of the drawings]

FIG. 1 is a diagram showing an overall configuration of a comprehensive monitoring system according to an embodiment of the present invention.

FIG. 2 is a plan view of a convenience store in which the integrated monitoring system of FIG. 1 is installed.

FIG. 3 is a diagram illustrating transmission / reception of image signals from respective television cameras 20A to 20D and output signals from respective sensors 30A to 30D to / from a LAN.

FIG. 4 is a diagram illustrating a relationship between a television signal of an image and a code signal which is an output signal of a sensor.

FIG. 5 is a diagram showing an example of a menu screen.

FIG. 6 is a diagram showing a monitor screen when a layout is selected on a setting screen.

FIG. 7 is a diagram illustrating a sensor setting screen.

FIG. 8 is a diagram showing an example in which an output of a sensor for detecting a pot temperature and a water amount is displayed on a monitor screen together with a pot image of a television camera.

[Explanation of symbols]

1 (1A, 1B, 1C). Convenience store, 5. Convenience store headquarters, 10. Computer, 11. Network, 12.P
OS terminal, 14. Host computer, 17. External storage device, 18. Monitor

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5C054 DA01 DA08 EA03 EB05 EC01 EC03 EG04 EG06 FE01 FE13 GD01 GD03 HA02 HA18 5C087 AA02 AA03 AA09 AA24 AA25 AA37 BB03 DD33 DD49 EE16 GG02 GG03

Claims (4)

[Claims] An integrated monitoring system for converting an image signal obtained by photographing an indoor situation with a television camera into a digital video signal, transmitting the digital signal as a television signal to a monitor outside the room, and displaying the television signal. An integrated monitoring system, wherein an output signal of a sensor to be monitored is transmitted to and displayed on the monitor using a television signal of the television camera. 2. A comprehensive surveillance system for converting an image signal obtained by photographing an indoor situation by a television camera into a digital video signal, transmitting the digital signal as a television signal to a controller and a monitor outside the room, and displaying the television signal. Transmitting means for transcoding an output signal of a sensor for monitoring equipment, inserting the code signal into a blanking period of a vertical scanning signal or a horizontal scanning signal of the television signal, and transmitting the code signal to the controller; Separating the code signal from the television signal,
A monitor control means for selectively displaying the image or the sensor output on the monitor. 3. The integrated monitoring system according to claim 2, further comprising a plurality of television cameras and a plurality of sensors installed in a room, wherein the output signal of each of the sensors is code-converted, and the code signal is converted to a signal of each sensor. A comprehensive surveillance system, wherein the system is guided to a nearby TV camera, inserted into the digital video signal, and transmitted. 4. A multi-segment switch and a LAN, comprising a plurality of television cameras and a plurality of sensors installed in a convenience store, converting an image signal obtained by photographing the situation in the store with the television camera into a digital video signal to produce a television signal. In a comprehensive monitoring system that sends to a controller at a convenience store headquarters via a video tape of a time lapse VTR and displays it on a monitor, the output signal of a sensor for monitoring equipment and equipment in the convenience store is code-converted, and the code signal is converted to the code signal. Transmitting means for inserting into a blanking period of a vertical scanning signal or a horizontal scanning signal of a television signal and transmitting the television signal to the controller via the LAN; and the controller separates the code signal from the television signal and sends the code signal to the monitor. Monitoring that selectively displays the image or the sensor output A comprehensive monitoring system comprising control means.