JP2553395Y2 - Monitoring device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monitoring device for monitoring the status of a remote site.

[0002]

2. Description of the Related Art Conventionally, in a monitoring apparatus for monitoring the situation of a site in a remote monitor room, a plurality of ITV cameras are controlled by a remote camera controller to photograph the situation of the site.
A camera remote control device for monitoring based on the ITV image (an image captured by the ITV), an ultrasonic microphone device for monitoring by sound using a plurality of ultrasonic microphones installed at the site, and an ultrasonic microphone device installed at the site It has an infrared camera monitoring device that performs thermal monitoring with an infrared camera.

Conventionally, since the camera remote control device, the ultrasonic microphone device, and the infrared camera monitoring device are independently controlled, when a sound or temperature abnormality occurs on site, the abnormality occurs instantaneously. It is not possible to perform monitoring using the ITV image of the place where the error occurred. In the field, IT
Since the installation of the V camera, the ultrasonic microphone, and the infrared camera is independent, there is a problem that the number of components increases and the cost increases.

[0004]

As described above, in the conventional monitoring apparatus, the ITV camera, the ultrasonic microphone, and the infrared camera are independently installed on the site and controlled. For this reason, when a sound or temperature abnormality occurs, it is necessary to separately execute control for directing the ITV camera to the abnormality location in order to obtain an image of the location where the abnormality has occurred. Therefore, an image of the location where the abnormality has occurred cannot be instantaneously obtained, and the confirmation of the abnormality may be delayed.

The present invention has been made in view of the above points, and has as its object to provide a monitoring device capable of instantly obtaining an image of a place where a sound or temperature abnormality has occurred with a simple configuration. Aim.

[0006]

SUMMARY OF THE INVENTION The present invention is based on an image taken by an ITV camera, an image showing a heat distribution taken by an infrared camera, and a sound collected by a microphone. In a monitoring device for remotely monitoring the situation, an ITV camera, an infrared camera, and a microphone are mounted so that the directions of the microphones are in the same direction, and a camera platform that sets each of them to a monitoring area direction;
A switching unit for selecting one of an image captured by the camera and an image captured by the infrared camera; and when an image captured by the infrared camera is selected by the switching unit, an abnormality is generated based on the image. Thermal abnormality monitoring means for monitoring occurrence, sound abnormality monitoring means for monitoring abnormality occurrence based on sound collected by a microphone, display of an image selected by the switching means, and the thermal abnormality monitoring means or Display means for displaying a notification of abnormality when the sound abnormality monitoring device determines that an abnormality has occurred; and instruction means for instructing the switching means to select an image photographed by an ITV camera. When the display for notifying the abnormality is provided by the display means, the image taken by the ITV camera in the monitoring area where the abnormality has occurred is indicated by the indicator. Characterized in that so as to display an instruction from.

[0007]

According to such a configuration, when abnormal heat is generated or abnormal sound is generated, the fact is displayed and notified to the supervisor. In response to this, an image switching instruction is input via the instruction means (the operation device 17), whereby an image of the monitored area where the abnormality has occurred is displayed. That is, since the ITV camera, the infrared camera, and the microphone are mounted on the camera platform in the same direction, an image of the monitored area in which an abnormality has occurred can be instantaneously obtained only by an instruction for image switching.

[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 block diagram showing the configuration of the monitoring device according to the embodiment. In FIG. 1, an ITV camera 1 captures an image showing the situation at the site, an infrared camera 2 captures an image showing the heat distribution at the site, and an ultrasonic microphone 3 collects ultrasonic waves at the site. The camera platform 4 is for mounting the ITV camera 1, the infrared camera 2, and the ultrasonic microphone 3. The ITV camera 1, the infrared camera 2, and the ultrasonic microphone 3 are directed on the camera platform 4 in the same direction (monitoring area) of the site.

[0009] The switch 5 is connected to the ITV camera 1 and the infrared camera 2, and an image taken by the ITV camera 1 (hereinafter, referred to as an ITV image) and an image taken by the infrared camera 2 (hereinafter, referred to as ITV image). , Infrared image) is selected as the input image.

The modulator 6 is connected to the switch 5 and the distributor 10 (described later) and modulates the image signal selected by the switch 5 into a high-frequency image signal. A /
The D converter 7 converts an ultrasonic signal (analog signal) collected by the ultrasonic microphone 3 into a digital signal.

The control unit 8 controls switching in the switch 5, inputs a digital signal obtained by the A / D converter 7, monitors an abnormality based on the digital signal, and controls the head 4.
And controls the ITV camera 1 and the like.

The modem 9 is connected to the control unit 8 and the distributor 10, and performs modulation and demodulation for transmitting and receiving control data used by the control unit 8. The distributor 10 combines the image signal from the modulator 6 with the control data from the control unit 8 via the modem 9 and distributes the control data from a high-frequency signal from a distributor 13 (described later). .

The demodulator 11 is connected to the distributor 13 and the image processing device 12 and receives the image signal modulated by the modulator 6 via the distributor 10 and the distributor 13 to perform demodulation.

When the image demodulated by the demodulator 11 is an infrared image captured by the infrared camera 2, the image processing device 12 obtains the area of the high-temperature portion, The occurrence of abnormality is monitored by comparison. When it is determined that an abnormality has occurred, the image processing device 12 outputs an abnormality signal. Further, the image processing device 12 performs display control of the monitor TV 16 under the control of the control unit 14.

The distributor 13 includes a demodulator 11, a modem 15,
And the high-frequency image signal and the control data transmitted from the distributor 10 are connected to the demodulator 1
1 and the modem 15.

The control unit 14 is connected to the image processing device 12, the modem 15, and the operating device 17, and controls the image processing device 12, controls data input / output with the operating device 17, and the like.

The modem 15 includes a distributor 13 and a controller 14
And performs modulation and demodulation for transmitting and receiving control data used by the control unit 14. Monitor TV16
Is for displaying an image or the like demodulated by the demodulator 11 under the control of the image processing device 12. Actuator 1
Reference numeral 7 denotes an instruction for an operation for each of the functional units including the camera platform 4.

The ITV camera 1, the infrared camera 2,
The camera platform 4 equipped with the ultrasonic microphone 3 is installed at the site, and the control device configured by the switch 5 to the distributor 10 is at or near the site, and the operation control device configured by the demodulators 11 to 17. Is installed, for example, in a monitor room remote from the site.

The ITV camera 1 and the switch 5, the infrared camera 2 and the switch 5, the ultrasonic microphone 3 and the A / D converter 7 , the camera platform 4 and the control unit 8 are coaxial cables 18, 19 and 2, respectively.
0 and 21 are connected. The distributor 10 and the distributor 13 are connected by a coaxial cable 22.

Next, the operation of the embodiment will be described.
First, the switching of the monitoring area at the site will be described. While referring to the image displayed on the monitor TV 16,
When the operator performs a predetermined operation for operating the camera platform 4 on the operation device 17, the control unit 14 outputs control data corresponding to the operation to the modem 15.

Control data for operating the camera platform 4 is transmitted to the control unit 8 via the modem 15, the distributor 13, the coaxial cable 22, the distributor 10, and the modem 9.
The control unit 8 operates the camera platform 4 according to the transmitted control data. Thereby, the direction in which the ITV camera 1, the infrared camera 2, and the ultrasonic microphone 3 face is changed, and the monitoring area of the site is switched.

Next, transmission of an image of a site will be described. An ITV image signal from the ITV camera 1 is input to the switch 5 via the coaxial cable 18. In addition, an image signal indicating the heat distribution by the infrared camera 2 is input to the switch 5 via the coaxial cable 19.

The switching section 5 selects one of the images in response to an instruction from the control section 8 and outputs a signal of the selected image to the modulator 6. The switching unit 5 alternately selects, for example, an ITV image and an infrared image. The modulator 10 modulates the signal from the switch 5 and outputs the signal to the distributor 10.

The signal modulated by the modulator 6 is combined with the control data from the controller 8 via the (modem 9) in the distributor 10. Then, the signal is transmitted from the distributor 10 to the distributor 13 via the coaxial cable 22.

In the distributor 13, the signal from the distributor 10 is distributed to a high-frequency image signal and control data. The image signal is output to the demodulator 11 and the control data is output to the modem 15. The image signal is demodulated by the demodulator 11 and output to the image processing device 12. The image processing device 12 causes the monitor TV 16 to display the demodulated image.

Next, transmission of ultrasonic waves collected by the ultrasonic microphone 3 will be described. Ultrasonic waves generated at the site are collected by an ultrasonic microphone 3 mounted on a camera platform 4. The ultrasonic microphone 3 converts the ultrasonic wave into an electric signal (analog signal),
Output to the D converter 7. The A / D converter 7 converts a signal from the ultrasonic microphone 3 into a digital signal and outputs the digital signal to the control unit 8.

This digital signal is output to the distributor 10 via the control unit 8 and the modem 9. In the distributor 10,
The signal is synthesized with the image signal from the modulator 6 and the coaxial cable 22
Is transmitted to the distributor 13 via the.

In the distributor 13, the signal from the distributor 10 is distributed to an image signal and a signal based on ultrasonic waves. The ultrasonic signal is output to the control unit 14 via the modem 15. The control unit 14 instructs the image processing apparatus 12 to display a display indicating the intensity of the ultrasonic wave based on the signal from the modem 15. The image processing device 12 performs a display indicating the strength of the ultrasonic wave by, for example, a dB value according to an instruction from the control unit 14.

Next, a description will be given of the determination of abnormalities in monitoring using images, temperature distributions, and ultrasonic waves. First, ITV camera 1
An abnormality is determined based on the image taken by the camera. That is, an ITV image of the monitoring area is displayed on the monitor TV 16 and is monitored by the operator (monitoring person). The operator observes the displayed image while operating the I / O
The direction of the TV camera 1 (monitoring area), the angle of view such as zoom and focus, etc. are adjusted to monitor the situation at the site.

Second, abnormality is determined by an image showing the heat distribution captured by the infrared camera 2. Monitoring by an infrared image is automatically performed for a preset angle of view of the camera. That is, when the operation for the camera platform 4 is instructed and the angle of view set in advance is reached, the switch 5
Automatically switches between the ITV image and the infrared image. When an infrared image is selected by the switch 5, the image processing device 12 performs image processing on the infrared image demodulated by the demodulator 11 and monitors an abnormality based on a heat distribution.

If it is detected here that an abnormality due to heat has occurred, the information is displayed on the monitor TV 16 via an S / P converter, a modem or the like, and is fixed on the screen. Thus, the monitor can know from the monitor TV 16 that a thermal abnormality has occurred at the site. And the operating device 17
When an instruction to switch the selected image to the ITV image is input, the ITV image of the location where the thermal abnormality has occurred is displayed on the monitor T.
Display on V16. In other words, the location where the thermal abnormality has occurred
It can be confirmed instantly by the ITV image.

Third, an abnormality is determined by the ultrasonic waves collected by the ultrasonic microphone 3. Monitoring by ultrasonic waves is always performed, and is automatically and sequentially performed for a preset camera direction. That is, when the operation for the camera platform 4 is instructed and the directions of the ITV camera 1 and the infrared camera 2 become the preset directions, the ultrasonic microphone 3
Automatically collects ultrasonic waves.

The collected ultrasonic waves are converted from analog values to digital values by the A / D converter 7. The control unit 8 determines whether or not there is an abnormality by comparing with a preset threshold value (dB value).

As a result of this determination, when it is determined that there is an abnormality, the information is displayed on the monitor TV 16 via a modem or the like and fixed on the screen. Thus, the monitor can know from the monitor TV 16 that an abnormality has occurred at the site. Then, when an instruction to switch the selected image to the ITV image is input from the operating device 17, the ITV image at the location where the abnormal ultrasonic wave is generated is displayed on the monitor TV16. That is, the location where the abnormality has occurred can be instantaneously confirmed by the ITV image.

[0035]

[Effects of the Invention] As described above, according to the present invention, an ITV camera, an infrared camera, and an ultrasonic microphone are mounted on a single camera platform and simultaneously monitored in the same direction, so that a thermal abnormality on the site and It is possible to instantly display and monitor an ITV image of a place where an ultrasonic abnormality has occurred. In addition, since an ITV camera, an infrared camera, and an ultrasonic microphone are mounted on one camera platform, the configuration can be simplified and cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a monitoring device according to an embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... ITV camera, 2 ... infrared camera, 3 ... ultrasonic microphone, 4 ... head, 5 ... switch, 6 ... modulator, 7 ... A / D converter, 8, 14 ... control part, 9, 15 ... Modem, 10, 1
3 ... distribution unit, 11 ... demodulator, 12 ... image processing device, 16
... Monitor TV, 17 ... Operation device.

Claims (1)

(57) [Scope of request for utility model registration] 1. An on-site photographer using an ITV camera
Shaded image, heat distribution taken by infrared camera
Based on the image and the sound collected by the microphone
A monitoring device for remotely monitoring the situation at the site, wherein the ITV camera, the infrared camera, and the microphone
Are installed in the same direction.
EachAny according to control dataSet to monitoring area direction
With a head forThe ITV camera, the infrared camera, and the microphone
A cable for transmitting a detection signal according to Obtained via said cable, According to the ITV camera
Images taken by the infrared camera
Switching means for selecting any one of the selected images;
If a selected image is selected, an error
Thermal abnormality monitoring means for monitoring the raw;Obtained via said cable, Collection by the microphone
Sound abnormality monitoring means for monitoring the occurrence of abnormality based on the sound
Display of the image selected by the switching means, and
Abnormal by thermal abnormality monitoring means or the above-mentioned sound abnormality monitoring device
Fixed display of information for notifying abnormalities when it is determined to have occurred
Display means for performing, and photographing by the ITV camera for the switching means
Instruction means for instructing selection of the selected image, and when a display for notifying an abnormality is displayed by the display means
Then, the ITV camera in the monitoring area where the abnormality occurred
The image taken in accordance with the instruction from the instruction means
Monitoring equipment characterized by instantaneous display
Place.