JP2000112522A - Monitoring system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to confirm the external appearance and sound of equipment arranged on a place to be monitored by executing the transmission of a control signal from a control means to a power supply means, the transmission of video data from an image pickup means to a video display means and the transmission of a sound signal from a sound catching means to a sound monitoring means by using a communication means. SOLUTION: The external appearance of an engine generating set 1 and its periphery are photographed by three monitoring cameras 2 to 4 and the sound of the set 1 and that of its peripheral part are catched by a sound monitor unit 6 to be a sound catching means arranged in the vicinity of the set 1. Respective monitor cameras 2 to 4 and the unit 6 are respectively connected to a power supply unit 7 and the transmission of a control signal from a video monitoring personal computer(PC) 13 to the unit 7, the transmission of video data from respective cameras 2 to 4 to the PC 13 and the transmission of a sound signal from the unit 6 to a monitoring telephone set 14 and a sound analyzing PC 15 are executed through an ISDN.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monitoring system for monitoring, for example, a device installed in a remote place.

[0002]

2. Description of the Related Art In a building having important communication facilities, an emergency engine generator is installed in preparation for a power outage of a commercial power supply.

[0003] In order to maintain the performance of this engine power generator, it is necessary to periodically start it and perform inspection and maintenance thereof. Conventionally, an operator goes to an installation place to start and performs inspection and maintenance. Was common.

[0004] However, starting, checking, and performing maintenance is a heavy burden on the operator, for example, because the installation location of the engine generator is far from the maintenance center and there are many installation locations. Implementation time and costs also increase.

[0005] Therefore, recently, a system has been developed in which an engine power generator is provided with a starting function by remote control and the state of the apparatus after the start, such as electrical characteristics and temperature, can be automatically detected by various sensors.

[0006]

When inspecting and maintaining an engine generator, it is important to understand the appearance and sound of the generator. However, as for the external appearance and sound, it is actually necessary for the worker to go to the installation place and check with his own eyes and ears after all.

[0007] The present invention has been made in view of the above circumstances,
The purpose is to easily and accurately check the appearance and sound of the equipment at the monitored location in two separate places, thereby reducing the burden on the workers while inspecting and checking the equipment. It is an object of the present invention to provide a monitoring system capable of performing maintenance efficiently and at low cost.

Although there has been a system for monitoring devices and the like by using video and sound, there is no system that can control the power of components such as a lighting device and a surveillance camera. Needed. With this invention,
A system is provided in which the appearance and sound of the equipment at the monitored location can be confirmed and the power supply can be controlled.

[0009]

According to a first aspect of the present invention, there is provided a surveillance system comprising: an imaging unit for taking a picture of a monitored location; a sound capturing unit for capturing a sound of the monitored location; Power supply means for supplying an operating voltage to the imaging means and the sound capturing means; control means for issuing a control signal for controlling the power supply means; and video display means for displaying an image of the imaging means. Sound monitoring means for monitoring the sound captured by the sound capturing means, transmission of a control signal from the control means to the power supply means, transmission of video data from the imaging means to the video display means,
A communication unit that supports transmission of a sound signal from the sound capturing unit to the sound monitoring unit.

A monitoring system according to a second aspect of the present invention is the invention according to the first aspect, further comprising an abnormality determination unit. The abnormality determination unit determines the abnormality of the sound by analyzing the sound captured by the sound capturing unit. With the adoption of the abnormality determining means, the communication means transmits the sound signal from the sound capturing means not only to the sound monitoring means but also to the abnormality determining means.

According to a third aspect of the present invention, the monitoring system according to the first aspect further includes an illumination unit. The illumination means illuminates the monitored location. With the use of the lighting means, the power supply means supplies the operating voltage not only to the imaging means and the sound capturing means but also to the lighting means.

A monitoring system according to a fourth aspect of the present invention is the invention according to the first aspect, further comprising an abnormality determining means and an illuminating means. The abnormality determination unit determines the abnormality of the sound by analyzing the sound captured by the sound capturing unit. With the adoption of the abnormality determining means, the communication means transmits the sound signal from the sound capturing means not only to the sound monitoring means but also to the abnormality determining means. The illumination means illuminates the monitored location. With the use of the lighting means, the power supply means supplies the operating voltage not only to the imaging means and the sound capturing means but also to the lighting means.

According to a fifth aspect of the present invention, in the monitoring system according to any one of the first, second, third and fourth aspects, the communication means has a plurality of channels. Line.

According to a sixth aspect of the present invention, there is provided a surveillance system according to any one of the first, second, third and fourth aspects, wherein the imaging means is provided at a monitored location. And take a picture of the area around the device. Further, the sound capturing means captures the sound of the device.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, an engine generator 1 is installed in an engine installation room which is a monitored place.
The engine power generator 1 is activated when a commercial power supply fails, and generates power for power failure backup for communication equipment and the like.

At the position surrounding the engine power generator 1, three monitoring cameras 2, 3, and 4 are installed as imaging means.
Further, a lighting unit 5 is provided.

The surveillance cameras 2, 3, and 4 take images of the engine installation room, in particular, images of the appearance of the engine generator 1 and its surroundings (including the appearance of workers), and have a function as an image server. . The illumination unit 5 illuminates the imaging area of the engine installation room, particularly, the imaging area of the monitoring cameras 2, 3, and 4.

In the vicinity of the engine generator 1, a sound monitor unit 6 is installed as sound capturing means. The sound monitor unit 6 captures the sound of the engine generator 1 (engine sound) and the sound of the surroundings.

The surveillance cameras 2, 3, 4, the illumination unit 5, and the sound monitor unit 6 are connected to the power line L
1 is connected to the power supply unit 7. The power supply unit 7 supplies a power supply voltage for operation to the monitoring cameras 2, 3, 4, the lighting unit 5 and the sound monitor unit 6.

The monitoring cameras 2, 3, and 4 are connected to the dial-up router 8 via the Ethernet line L2.

The sound monitor unit 6 has an analog line L3
Is connected to the dial-up router 8 via the. The power supply unit 7 is connected to the dial-up router 8 via the Ethernet line L2 or the analog line L3.

On the other hand, there is a monitoring room where a clerk stands by at a location remote from the engine installation room, and the connection unit 11 is installed there. The connection unit 11 is a so-called Integrated Services Digital Network (ISDN) which is a communication means.
vice Digital Network) 10 to make a line connection to the dial-up router 8 in the engine monitoring room, and to use TCP / IP (Transm
Data transmission conforming to ission Control Protocol / Internet Protocol) is performed.

A video monitoring personal computer 13 is connected to the connection unit 11 through an interface 12.
Is connected. Video monitoring personal computer 13
Includes control means for issuing a control signal for controlling the power supply unit 7, and also includes image display means for displaying images taken by the surveillance cameras 2, 3 and 4 on the display screen 13 a.

Further, a sound monitoring telephone 14 as sound monitoring means and a sound analysis personal computer 15 as abnormal judgment means are connected to the connection unit 11 via an analog line L3.

The sound monitor telephone 14 is provided for a staff member to monitor the sound captured by the sound monitor unit 6. The personal computer for sound analysis 15 analyzes the sound captured by the sound monitor unit 6 to determine abnormal sound.

The ISDN 10 has a plurality of channels (B channels), and is interposed between the connection unit 11 and the dial-up router 8 to transmit control signals from the video monitoring personal computer 13 to the power supply unit 7. The transmission of video data from the surveillance cameras 2, 3, and 4 to the video monitoring personal computer 13, and the transmission of sound signals from the sound monitor unit 6 to the monitoring telephone 14 and the sound analysis personal computer 15 are covered.

Next, the operation of the above configuration will be described.

For maintenance and inspection of the engine generator 1,
The person in the monitoring room uses the personal computer 13 for video monitoring.
Set the monitoring mode above.

When the monitoring mode is set, the connection unit 11 in the monitoring room is connected via the ISDN 10 to the dial-up router 8 in the engine installation room. After this connection,
The first line (= B channel) of the ISDN 10 from the video monitoring personal computer 13 to the power supply unit 7
Alternatively, a control signal for starting operation is transmitted through the Ethernet line L2.

The power supply unit 7 operates upon receiving a control signal indicating the start of operation, and supplies a power supply voltage for operation to the monitoring cameras 2, 3, 4, the lighting unit 5 and the sound monitoring unit 6. Thereby, the monitoring cameras 2, 3, 4, the lighting unit 5, and the sound monitoring unit 6 operate.

The surveillance cameras 2, 3, 4 are provided with a lighting unit 5
The image of the engine power generation device 1 and its surroundings is taken using the illumination of (1). This video is transmitted to the video monitoring personal computer 13 through the second line (= B channel) of the ISDN 10.

By operating a Web browser on the video monitoring personal computer 13, the staff in the monitoring room can easily display the appearance of the engine generator 1 and the figure of a person working near the engine generator 1 on the display screen 13a. Can be monitored.

The sound monitor unit 6 captures sounds related to the operation of the engine generator 1 and sounds around the engine generator 1. This sound is transmitted to the telephone 14 for sound monitoring and the personal computer 15 for sound analysis through the first line (= B channel) of the ISDN 10.

The attendant can listen to the transmitted sound with his / her ear through the receiver of the sound monitor telephone 14.

The personal computer for sound analysis 15 comprises:
The transmitted sound is temporarily stored in the internal memory (recording; WA)
V file), and the stored sound is, for example, 4 kHz
The frequency distribution up to z is analyzed to obtain a frequency distribution, and the presence or absence of abnormalities in the transmitted sound is determined by comparing the analysis result with standard data stored in the internal memory in advance. This determination result is displayed on the display screen 15a of the personal computer 15 for sound analysis.

The attendant can easily grasp the presence or absence of abnormal sound by looking at the display.

When the attendant performs an operation of ending the monitoring mode on the video monitoring personal computer 13, the video monitoring personal computer 13 sends an IS signal to the power supply unit 7.
A control signal to stop the operation is transmitted through the first line or the Ethernet line L2 and the second line of the DN 10. With this transmission, the operation of the power supply unit 7 stops. Accordingly, the power supply to the monitoring cameras 2, 3, 4, the lighting unit 5, and the sound monitor unit 6 is stopped.

As described above, the operation and stop of the surveillance cameras 2, 3, 4, the lighting unit 5 and the sound monitor unit 6, which are necessary for monitoring, are remotely controlled from the surveillance room while the engine generator 1 is operated. The two elements of appearance and sound can be easily and accurately confirmed in a monitoring room away from the engine installation room.

Therefore, the inspection of the engine power generator 1
In maintenance, the worker does not need to go to the engine installation room, and the inspection and maintenance of the engine generator 1 can be performed efficiently and at low cost while greatly reducing the burden on the worker.

As for the sound, not only the attendant listens with the ear but also the frequency distribution is automatically analyzed to judge the abnormality, so that the sound of the frequency and the sound pressure level which cannot be caught by the human ear. Can be accurately diagnosed, and the reliability of inspection and maintenance is improved.

Further, since data transmission is performed by TCP / IP-compliant communication, which is an Internet standard protocol, highly-functional products developed one after another with the development of Internet technology can be easily incorporated into a system as monitoring equipment. And high versatility while ensuring high reliability.

In the above embodiment, the case where the monitored object is the engine power generator 1 has been described as an example. However, the monitored object is not limited, and it is possible to appropriately deal with power generation equipment, industrial plants, machines, animals and plants, and the like. is there.

In addition, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the invention.

[0045]

As described above, according to the present invention, the imaging means for taking an image of the monitored location, the sound capturing means for capturing the sound of the monitored location, the imaging means provided at the monitored location, and the Power supply means for supplying an operating voltage to the sound capture means, control means for issuing a control signal for controlling the power supply means, video display means for displaying an image of the imaging means, and the sound capture means Sound monitoring means for monitoring the captured sound, transmission of a control signal from the control means to the power supply means, transmission of video data from the imaging means to the video display means, and transmission of the video data from the sound capturing means to the sound monitor Communication means to cover the transmission of sound signals to the means, the two elements of the appearance and sound of the equipment at the monitored location can be easily and accurately checked at a distance from the remote location. Or Inspection and equipment while reducing the burden that
A monitoring system capable of performing maintenance efficiently and at low cost can be provided.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Engine generator 2, 3, 4 ... Surveillance camera (imaging means) 5 ... Illumination unit (illumination means) 6 ... Sound monitor unit (sound capture means) 7 ... Power supply unit 8 ... Dial-up router 10 ... ISDN (communication means) 11 connection unit 13 video monitoring personal computer 14 telephone for sound monitoring 15 personal computer for sound analysis

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Yoshitaka Konya 3-4-1, Shibaura, Minato-ku, Tokyo Inside NTT Tifities Inc. (72) Seiichi Muroyama 3-4-1 Shibaura, Minato-ku, Tokyo No. 1 F-term in NTT Facilities Co., Ltd. (reference) 9A001 HH16 JZ19 LL09

Claims (6)

[Claims] 1. An imaging means for taking an image of a monitored location, a sound capturing means for capturing a sound of the monitored location, and an operating voltage provided at the monitored location, wherein an operating voltage is supplied to the imaging means and the sound capturing means. Power supply means for supplying; a control means for issuing a control signal for controlling the power supply means; an image display means for displaying an image of the image pickup means; and a monitor for monitoring a sound captured by the sound capture means. Sound monitoring means, transmission of a control signal from the control means to the power supply means, transmission of video data from the imaging means to the video display means, transmission of a sound signal from the sound capturing means to the sound monitoring means. A surveillance system, comprising: 2. An image capturing means for capturing an image of a monitored location; a sound capturing means for capturing a sound of the monitored location; and an operating voltage provided at the monitored location, the operating voltage being applied to the image capturing means and the sound capturing means. Power supply means for supplying; a control means for issuing a control signal for controlling the power supply means; an image display means for displaying an image of the image pickup means; and a monitor for monitoring a sound captured by the sound capture means. Sound monitoring means, abnormality determination means for analyzing the sound captured by the sound capturing means to determine abnormality of the sound, transmission of a control signal from the control means to the power supply means, and image display means from the imaging means A communication means for transmitting video data to the audio monitoring unit and transmitting a sound signal from the sound capturing unit to the sound monitoring unit and the abnormality determining unit. 3. An imaging means for taking an image of the monitored location; an illuminating means for illuminating the monitored location; a sound capturing means for capturing a sound of the monitored location; Means, an illuminating means, a power supply means for supplying an operating voltage to the sound capturing means, a control means for issuing a control signal for controlling the power supply means, and an image display for displaying an image of the imaging means Means, sound monitoring means for monitoring the sound captured by the sound capturing means, transmission of a control signal from the control means to the power supply means, transmission of video data from the imaging means to the video display means, A communication means for supporting transmission of a sound signal from the sound capturing means to the sound monitoring means. 4. An imaging means for taking an image of a monitored location; an illuminating means for illuminating the monitored location; a sound capturing means for capturing a sound of the monitored location; Means, an illuminating means, a power supply means for supplying an operating voltage to the sound capturing means, a control means for issuing a control signal for controlling the power supply means, and an image display for displaying an image of the imaging means Means, a sound monitoring means for monitoring the sound captured by the sound capturing means, an abnormality determining means for analyzing the sound captured by the sound capturing means to determine an abnormal sound, and a power supply from the control means. Communication means for transmitting a control signal to the means, transmission of video data from the imaging means to the video display means, transmission of a sound signal from the sound capture means to the sound monitoring means and the abnormality determination means, A monitoring system characterized by comprising: 5. A monitoring system according to claim 1, wherein said communication means is an integrated digital communication network line having a plurality of channels. And monitoring system. 6. The surveillance system according to claim 1, wherein the imaging means includes a device installed at the monitored location and a device surrounding the device. A surveillance system, which takes a video, and wherein the sound capturing means captures the sound of the device.