JPH09295697A - Monitoring device of oil supply station - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely sense the occurrence of an accident in an oil supply station to report it in its early stage by outputting an accident signal when an accident judging means judges that there is an accident based on voices collected by a microphone. SOLUTION: In a monitoring device 10 for an oil supply station, image data of a plurality of cameras 12 arranged in the site of the station are taken into a control means 13 at regular intervals by switching the cameras to store the data into a storage means 14. Simultaneously the image data are separately displayed on a screen by means of a display means 15 and if an accident judging means 17 judges that there is an accident based on voices collected by microphones 16, an accident signal is outputted from the means 17, whereupon image data of a camera 12 corresponding to an area, to which an accident sensing microphone 16 is directed, are recorded in an image recording means 17 to display the image data of accident in an expanded form by of the display 15, and simultaneously, a measuring machine 11 is stopped and an alarm is sent from a reporting device 19 through a modem 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas station monitoring device for monitoring the occurrence of an accident at a gas station that supplies fuel to an automobile or the like.

[0002]

2. Description of the Related Art Conventionally, collisions or contact between cars on the premises of a gas station, or between cars and weighing machines, etc.
A serious accident such as a fire may occur. Therefore, the workers at the gas station constantly monitor the automobiles and weighing machines on the premises to prevent accidents from occurring, and take prompt action when an accident occurs.

[0003]

However, in the conventional monitoring by the workers of the gas station, etc., the occurrence of the accident is not noticed, or even if it is noticed, it takes time from the occurrence of the accident, and therefore, the response and notification are delayed, and the serious accident occurs. Could lead to

Therefore, an object of the present invention is to provide a gas station monitoring device capable of accurately detecting the occurrence of an accident and giving an early warning.

[0005]

In order to achieve the above object, a monitoring device for a gas station of the present invention comprises a plurality of cameras for picking up images of respective parts of a gas station site, and video data from the cameras are sequentially switched. Control means for repetitively capturing, storage means for sequentially storing video data from the control means, display means for displaying the video data from the control means in a divided manner, a microphone for collecting voice on site, and the microphone It is provided with an accident judging means for judging the presence or absence of an accident from the collected sounds and generating an accident signal when it is judged that there is an accident. The accident determination means determines the presence or absence of an accident from the sound collected by the microphone, and outputs an accident signal when it determines that there is an accident, so that the occurrence of an accident can be accurately detected and an early warning can be given.

It is preferable that the microphone has a directivity attached to each of the plurality of cameras in order to accurately detect the occurrence of an accident corresponding to the camera. It is preferable that the display means receives the accident signal from the accident determination means and enlarges and displays the corresponding video data in order to confirm the accident. When the accident determination means generates an accident signal, it is preferable to further include a recording means for recording the corresponding video data before and after the accident stored in the storage means, in order to be able to deal with and confirm the subsequent accident. It is preferable that the accident determination means is further provided with an informing means which is activated when an accident signal is generated, since it is possible to promptly inform the occurrence of the accident.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiments. FIG. 1 is a block diagram illustrating a configuration of a gas station monitoring device according to an embodiment of the present invention, FIG. 2 is a plan view of a gas station having the monitoring device according to the embodiment of the present invention, and FIG.
FIG. 4 is a diagram for schematically explaining the stored contents of the storage means of the gas station monitoring device according to the embodiment of the present invention and the recorded contents of the recording means when an accident occurs, and FIG. 4 is a display of the gas station monitoring device according to the embodiment of the present invention. FIG. 5 is a diagram for explaining the split display of the means, and FIG. 5 is a diagram for explaining the enlarged display of the display means of the gas station monitoring device according to the embodiment of the present invention.

In these figures, a gas station monitoring device 10 of the present embodiment comprises a plurality of cameras 12 for picking up images of a weighing machine 11 and its surroundings provided at various places within a gas station, and from these cameras 12. Control means 13 for sequentially switching in and capturing the video data, storage means 14 for sequentially storing the video data, display means 15 for splitting and displaying the video data on one screen, and a plurality of units provided at various locations within the gas station premises. An individual microphone 16, an accident determination means 17 that determines the presence or absence of an accident from the sounds collected by these microphones 16 and outputs an accident signal when there is an accident, and a memory when the accident signal is output. To record the video data from the corresponding camera stored in the means 14, the recording means 18, the alarm 19 for issuing an alarm by an accident signal, and to notify the accident signal to a remote place. Composed of a modem 20, and the like.

The plurality of cameras 12 (12A, 12A)
B, 12C, 12D) are arranged, for example, one at each of a plurality of places (four places) around the site, and each of them has a predetermined monitoring angle and is placed in a substantially central portion of the site. It is oriented to image the corresponding weighing machine 11 and its surroundings.

The plurality of microphones 16 (16A, 16A)
B, 16C, 16D) are arranged, for example, one at each of a plurality of places (four places) near the camera 12 and have directivity so that sounds generated in a certain angle range can be collected. And is directed to the weighing machine 11 and its surroundings.

The control means 13 and the storage means 14
And the accident determination means 17 is the office 2 provided on the premises.
It is realized by a computer 22 arranged inside the computer 1. The control means 13 is a part that receives the video data sent from each of the plurality of cameras 12, switches the video data at regular intervals, and sequentially captures the video data repeatedly. That is, the control means 13 is, for example,
After sequentially capturing the video data of the camera 12B, the camera 12C, and the camera 12D from the camera 12A at regular time intervals,
Returning to the camera 12A again, the same operation of taking in the image data is repeated. The storage means 14 is the control means 13
The video data sent sequentially from the first storage area is stored in order, and when the last storage area is reached, the video data is returned to the first storage area and updated and stored. For example, it has a predetermined capacity. It is realized by a semiconductor memory or the like. Therefore, the storage means 14 sequentially stores the video data of the cameras 12A to 12D as schematically shown in FIG. 3, and is repeated for a fixed time determined by the capacity. The accident determination means 17 is a part that determines the presence or absence of an accident from the sound collected by the microphone 16 and outputs an accident signal when it is determined that an accident has occurred. The accident determination by the accident determination means 17 is, for example, a determination that there is an accident when a loud noise generated by a collision or contact of an automobile or a loud voice emitted when a worker witnesses an accident is detected.

The display means 15 is, for example, a display connected to the computer 22, and normally displays the video data of the plurality of cameras 12 stored in the storage means 14 on the same screen and displays them according to an accident signal. The image data in which the accident occurred is enlarged and displayed. For example, the display means 15 normally has the following structure as shown in FIG.
The video data (A, B, C, D) of the cameras 12A, 12B, 12C, 12D are divided and displayed on the same screen, and when an accident occurs, as shown in FIG. 5, the camera that images the accident. The video data (A) of 12A is enlarged and displayed.

The recording means 18 is, for example, a video recorder and, when receiving the accident signal from the accident judging means 17, records the video data corresponding to the accident stored in the storage means 14. For example, the recording means 1
When the accident judging means 17 judges that there is an accident between the image data An + 9 and An + 10 and outputs an accident signal, as shown in FIG. 3, the image data An and An before the accident occurrence are shown in FIG. +1
,…, An + 9 and video data An + 10 after the accident occurred are recorded on tape with a video recorder.

The alarm device 19 is, for example, a siren that produces sound in response to an accident signal, and is attached to the wall of the office 21 or the like. The modem 20 is a modulation / demodulation device for transmitting an accident signal to a headquarters, a fire station, or a police station via a telephone line. Further, the weighing machine 11 is connected so as to receive an accident signal from the accident judging means 17 and stop.

In the gas station monitoring device 10 having the above-mentioned structure, the video data of the plurality of cameras 12 arranged at various places of the gas station are sequentially switched by the control means 13 at regular intervals, and the video data is taken. Storage means 1
When the accident judging means 17 judges the presence or absence of an accident from the sound collected by the microphone 16 and is judged to have an accident, the video data is sequentially stored in the memory 4 and is simultaneously displayed on the same screen by the display means 15. Output an accident signal. When this accident signal is output, the microphone 16 that detected the accident
Corresponding camera 1 imaging the location where the
The video data of No. 2 is recorded in the recording unit 17, and the display unit 1
In 5, the image data of the accident is enlarged and displayed, and at the same time, the weighing machine 11 is stopped, and the alarm device 19 as an alarm means issues an alarm or is notified via the modem 20. Therefore, the accident can be detected with certainty early, and the weighing machine 11 can be stopped quickly.
It is possible to prevent the accident from spreading by notifying with the alarm device 19 and notifying the headquarters or the fire department or the police station via the modem 20. Further, since the state of the accident is enlarged and displayed on the display means 15 and before and after the accident is recorded on the recording means 17, it becomes possible to easily confirm the accident and deal with it later.

In the above embodiment, an example in which the weighing machine 11 and the four cameras 12 and the microphones 16 are arranged toward the periphery of the gas station has been described. However, at least the site of the gas station where monitoring is required. A plurality of cameras for picking up images and a plurality of microphones for collecting sounds may be arranged. Further, the storage means 14 may be one that sequentially and repeatedly stores the video data of a plurality of cameras, and the storage capacity thereof is also arbitrarily determined by the number of video data, the repetition time, and the like. Furthermore, the accident determination means 17 is at least
It suffices that the presence or absence of an accident is determined by the volume of the sound collected by the microphone 16 and the impact sound peculiar to a collision, and an accident signal is output when it is determined that there is an accident.

[0017]

As described above, in the service station monitoring device of the present invention, the accident judging means judges the presence or absence of an accident from the sound collected by the microphone and outputs the accident signal when it is judged that there is an accident. Therefore, it is possible to accurately detect the occurrence of an accident and to notify it at an early stage.

[Brief description of drawings]

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

FIG. 2 is a plan view of a gas station equipped with the monitoring device according to the embodiment of the present invention.

FIG. 3 is a diagram schematically illustrating the stored contents of a storage unit and the recorded contents of a recording unit when an accident occurs in the gas station monitoring device according to the embodiment of the present invention.

FIG. 4 is a diagram illustrating split display of the display means of the gas station monitoring device according to the embodiment of the present invention.

FIG. 5 is a diagram illustrating enlarged display of the display means of the gas station monitoring device according to the embodiment of the present invention.

[Explanation of symbols]

 10 Monitoring Equipment for Gas Stations 11 Weighing Machines 12 Cameras 13 Control Means 14 Storage Means 15 Display Means 16 Microphones 17 Accident Judgment Means 18 Recording Means 19 Alarms 20 Modems 21 Offices 22 Computers

Claims (5)

[Claims] 1. A plurality of cameras for picking up images of respective parts of a gas station, control means for switching image data from the cameras and sequentially and repeatedly capturing the image data, and storage means for sequentially storing the image data from the control means.
A display means for displaying the video data from the control means in a divided manner, a microphone for collecting the sound on the premises, and the presence or absence of an accident are judged from the sound collected by the microphone. A monitoring device for a gas station, which is provided with an accident determination means for generating a signal. 2. The microphone has directivity attached to each of the plurality of cameras.
Monitoring equipment for gas station described. 3. The gas station monitoring device according to claim 1, wherein the display means receives an accident signal from the accident determination means and enlarges and displays corresponding video data. 4. The gas station monitoring device according to claim 1, further comprising a recording unit that records video data before and after a corresponding accident stored in the storage unit when the accident determination unit generates an accident signal. 5. The gas station monitoring device according to claim 1, further comprising an informing unit that operates when the accident determination unit generates an accident signal.