JP2017175184A - Monitoring camera system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a monitoring camera system for work, mounted on a vehicle in order to monitor a work site.SOLUTION: A monitoring camera system comprises: a rear monitoring camera S1; a monitoring camera section 11c; and a central monitoring device 20, in which image signals of the rear monitoring camera S1 and the monitoring camera section 11c are transmitted at any time to the monitoring server 22 of the central monitoring device 20. The monitoring camera system further comprises a monitoring terminal 21 having a monitor with which a monitoring person monitors a safety state around a working vehicle S and a progress of a work. The monitoring camera system also comprises a communication device for vehicle 11 on a work vehicle S which is moved and parked at a place where the communication device for vehicle can easily perform monitoring, so that the rear monitoring camera S1 and the monitoring camera section 11c can be useful as monitoring cameras for preventing entering of a suspicious person or a theft at night time or a holiday. The monitoring person at a monitoring center can monitor a working site G with no worker at a night time or a holiday to prevent entering of a suspicious person or a theft of a heavy equipment, a material, or a scrap material using an image of the rear monitoring camera S1 or the monitoring camera section 11c.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a surveillance camera system using a camera mounted on a vehicle.

  Conventionally, excavation work of the ground and dismantling work of building materials have been performed as a work vehicle at a construction site, a demolition site, etc., for example, and this hydraulic excavator car has a lower traveling body having a traveling function and an arm portion. It is comprised with the upper turning body to support.

  Since the periphery of the hydraulic excavator during work is dangerous, a monitoring device for monitoring the periphery is mounted on the hydraulic excavator, and Patent Document 1 discloses a rear monitoring device for the hydraulic excavator. A monitoring camera is arranged at the rear of the upper swing body, and the operator can check the surrounding image by the monitoring camera through a monitor arranged in the cab.

  As a result, the operator can check the presence of a person in the turning direction within the turning radius and the presence of a dangerous substance capable of interference by operating the front excavator, and can safely turn. And reverse work can be performed.

  In addition, vehicles running on public roads, including work vehicles, are widely equipped with drive recorders that always record forward images. Based on the recorded images, it is possible to investigate the cause of an accident. It has become.

Japanese Patent Laid-Open No. 10-140619

  However, the operator of the hydraulic excavator needs to concentrate on the operation of the excavator in the front and pay attention to the turning direction in the rear, and if the worker is a beginner or has accumulated fatigue May start turning without confirming safety sufficiently by the monitor.

  In addition, while operating a hydraulic excavator car for a long time, I thought that the backward turning direction was unattended, and turning without checking safety on the monitor or going backwards would lead to an accident There's a problem. On the other hand, there is a case where the excavator operation in front is mistaken because the surrounding safety confirmation is overlooked on the monitor.

  The drive recorder is also used for recording a forward image while traveling, and is not used for other purposes during work on site or during parking.

  Furthermore, since the construction site and the demolition site are unattended at night and on holidays, there is a problem that expensive materials placed on the site or scrap materials accumulated at the time of demolition of buildings or the like are stolen.

  An object of the present invention is to solve the above-mentioned problems, mount a vehicle communication device on a work vehicle, and monitor the work safety and progress at the monitoring center during work during the day, as well as at night and on holidays. Is to provide a surveillance camera system capable of monitoring the intrusion of a suspicious person into a work site or theft of materials.

  In order to achieve the above object, a surveillance camera system according to the present invention is a surveillance camera system comprising a field device installed in a vehicle, and a central monitoring device connected to the field device via a wireless network, The field device includes a control unit that inputs a video signal from a monitoring camera that captures the outside of the vehicle, and a wireless communication unit that transmits the input video signal from the monitoring camera to the central monitoring device via the wireless network. The vehicle communication apparatus provided with this.

  According to the surveillance camera system of the present invention, an image taken by an existing or newly installed surveillance camera installed in a vehicle at a construction site, a demolition site, a material storage site, a livestock production site, a farm, or other work site installed on a work vehicle. Signals can be transmitted in real time to a remote monitoring center via a wireless network.

  The monitoring center monitors the safety and work conditions around the work vehicle, monitors the intrusion of suspicious individuals, and thefts of materials and scrap materials to prevent accidents at the work site. Heavy machinery, equipment, materials and livestock , Can prevent theft of agricultural products.

It is a block block diagram of the surveillance camera system of Example 1. It is a block circuit block diagram of a working equipment. It is a block block diagram of the surveillance camera system of Example 2.

  The present invention will be described in detail based on the embodiments shown in the drawings.

  FIG. 1 is a block diagram of the surveillance camera system according to the first embodiment, and FIG. 2 is a block circuit diagram of field equipment. The monitoring camera system includes a field device 10 provided for each work vehicle S such as a hydraulic excavator at the work site G, and a central monitoring device 20 installed in a remote monitoring center or the like.

  In the first embodiment, one work vehicle S is illustrated for one work site G. However, for a plurality of work sites G, a plurality of work vehicles S are respectively connected to the central monitoring device 20. It is possible to connect to.

  As disclosed in Patent Document 1, the work vehicle S is provided with a rear monitoring camera S1 for monitoring the rear in advance at the rear center of the upper swing body, and the rear monitoring camera S1 is installed in the cab R. A confirmation monitor S2 capable of monitoring video is installed.

  A vehicle communication device 11 is newly installed in the cab R of the work vehicle S, and the video signal of the rear monitoring camera S1 for the confirmation monitor S2 is branched and input to the vehicle communication device 11. Furthermore, power to the vehicle communication device 11 is supplied from a battery S3 mounted on the work vehicle S via a power cable.

  The vehicle communication device 11 includes at least a control unit 11a that inputs a video signal from the rear monitoring camera S1 and a wireless communication unit 11b that transmits a video signal from the rear monitoring camera S1. The vehicle communication device 11 can be provided with a monitoring camera unit 11c including a CCD type imaging device and a photographing lens.

  The vehicle communication device 11 to which the monitoring camera unit 11c is added is installed in the cab R with an arbitrary direction, for example, the forward direction as a shooting range. The monitoring camera unit 11c preferably employs a dustproof structure covered with a transparent dome-shaped resin hood.

  Furthermore, the monitoring camera unit 11c of the vehicle communication device 11 may be provided with an infrared camera mode, and by switching to the infrared camera mode, it is possible to clearly display an image using infrared rays at night. Become.

  Further, for the work vehicle S not equipped with the rear monitoring camera S1 and the confirmation monitor S2, the rear monitoring camera S1 and the confirmation monitor S2 are newly installed in conjunction with the installation of the vehicle communication device 11.

  Further, a pair of side monitoring cameras for monitoring the side direction may be separately installed on both sides of the work vehicle S. For these newly installed rear monitoring cameras and side monitoring cameras, it is preferable to employ a camera incorporating an infrared camera mode, a human sensor switching function, and various remote functions described later.

  The video signal of the existing or newly installed rear monitoring camera S1 input to the vehicle communication device 11 is always transmitted to the central monitoring device 20 from the antenna of the wireless communication unit 11b via the network N such as the Internet. Further, when the monitoring camera unit 11c or the side monitoring camera is added to the field device 10, this video signal is also always transmitted to the central monitoring device 20.

  In addition, a microphone and a speaker are provided in the vehicle communication device 11, and the voice of the work site G is collected through the microphone as needed, or a voice alert, warning sound, etc. through the speaker. Can be output.

  Further, the vehicle communication device 11 may be provided with a human sensor function using near infrared rays or ultrasonic waves. In such a case, the human sensor reacts to a moving object such as a human being or an animal. In addition, emergency notification processing may be performed remotely from the central monitoring device 20 as necessary.

  The central monitoring device 20 installed in the monitoring center includes a monitoring terminal 21 and a monitoring server 22 connected to the monitoring terminal 21. The monitoring terminal 21 includes a monitoring monitor, a keyboard, a mouse, and the like, and a monitor can perform various operations on the image from the field device 10 of the work vehicle S while looking at the monitoring monitor.

  For example, the images of the rear monitoring camera S1 and the monitoring camera unit 11c respectively displayed in the small sections on the monitoring monitor screen can be appropriately enlarged and displayed on the screen.

  The monitoring camera unit 11c has a function of performing zooming and panning operations of the monitoring camera unit 11c by remote operation via the network N using the monitoring terminal 21.

  The monitoring server 22 is connected to the network N by wire, and a real-time video transmitted from the wireless communication unit 11b of the vehicle communication device 11 via the network N such as the Internet is displayed on a hard disk in the monitoring server 22 or the like. Recording on a recording medium.

  These recorded video data are updated by overwriting newly transmitted video data after a predetermined period of time has elapsed after being stored in the recording medium. In the vehicle communication device 11 main body, the video data input to the built-in storage medium can also be stored for a certain period.

  The surveillance staff resident in the monitoring center enlarges and displays the video of the rear monitoring camera S1 and the monitoring camera unit 11c displayed in the small section, and zooming, panning, and audio for the video of the monitoring camera unit 11c. Remote operation of the vehicle communication device 11 such as output is appropriately performed.

  During the day, the worker of the work vehicle S is working while visually confirming the front and confirming the image of the rear monitoring camera S1 with the confirmation monitor S2 for the rear. At the same time, video signals from the rear monitoring camera S1 and the monitoring camera unit 11c are constantly transmitted to the monitoring server 22 of the central monitoring device 20.

  The monitoring staff at the monitoring center monitors the safety situation around the work vehicle S and the progress of work by the monitoring monitor of the monitoring terminal 21. It is necessary to output an alarm or the like, and in an emergency, the operator of the work vehicle S is cautioned with a speaker or the like.

  Even if the engine is turned off during the break, the power supply from the battery S3 is continued to the vehicle communication device 11 and the rear monitoring camera S1, and the vehicle communication device 11 Are transmitted to the monitoring server 22.

  At the end of the work of the work vehicle S, the vehicle communication device 11 can be easily monitored so that the rear monitoring camera S1 and the monitoring camera unit 11c can serve as a monitoring camera for preventing intruders and theft at night and on holidays. It is preferable that the work vehicle S is moved and parked.

  In addition, even if the monitoring camera unit 11c faces an inappropriate direction depending on the parking situation, the direction of the vehicle communication device 11 can be changed by remote operation from the monitoring terminal 21.

  As a result, the monitoring center monitor can monitor the rear monitoring camera S1 and the monitoring camera unit 11c for the intrusion of a suspicious person and the theft of heavy machinery, materials, and scrap materials at the work site G where no workers are working at night or on holidays. Can be monitored using.

  Then, when the monitoring person finds that a suspicious person has entered the work site G, if the corresponding monitoring camera unit 11c is zoomed toward the suspicious person, the face of the suspicious person is clearly displayed. It is possible.

  At night, by switching the monitoring camera unit 11c from the normal mode to the above-described infrared camera mode and simultaneously starting the human sensor, the human sensor responded from the images of the plural monitoring camera units 11c. The video of the monitoring camera unit 11c can be preferentially enlarged and displayed on the monitoring monitor of the monitoring terminal 21 or notified by alarm sound.

  Note that switching between daytime and nighttime for night operation of the monitoring camera unit 11c may be performed by using a timer or by switching between daytime and nighttime using an illuminance sensor. These timers and illuminance sensors are preferably built in the main body of the vehicle communication device 11.

  Also, since the imaging at night and on holidays is mainly for crime prevention, the surveillance camera unit 11c repeatedly pans a wide range in the horizontal direction, and when the moving sensor is detected by the human sensor, the surveillance camera unit 11c is It is preferable to continue shooting while fixing in that direction, and to perform zooming as necessary. And if the movement of the object is lost, it is sufficient to continue the panning again.

  When a theft by a suspicious person at the work site G is found at the monitoring center, the monitoring person promptly contacts the police or the like and instructs to go to the corresponding work site G. It is also possible to analyze the appearance of the suspicious person recorded in the monitoring server 22 and the video of the suspicious vehicle entered by the suspicious person for use in the investigation.

  Further, the monitoring server 22 that collects and manages the video signals from the vehicle communication device 11 is accessed from the mobile terminal 30 such as a mobile phone or the operation terminal 12 such as a laptop computer disposed in the work site G, It is also possible to check the video. In such a case, the monitoring server 22 sets a user ID and a password for each connection terminal, permits access only to the connection terminal whose user ID and password match, and displays video on the connection terminal. A signal will be transmitted.

  Since the mobile terminal 30 can check the image from the vehicle communication device 11 from any location, if an accident such as an accident or theft occurs at the work site G, monitoring on the way to the work site G is performed. The worker can check the status of the work site G in real time.

  In addition, the supervisor who supervises the work at the work site G uses the operation terminal 12 such as a laptop computer or a tablet PC provided in the temporary office or the like to check whether the site worker and the worker are working safely. Alternatively, it is possible to grasp the progress of work.

  In this way, the monitoring center uses the video from the vehicle communication device 11 mounted on the work vehicle S to monitor the safety situation around the work vehicle S in the daytime and the progress of work, and suspicious at night and on holidays. Intruders and materials are stolen.

  In the present embodiment, a hydraulic excavator car is exemplified as the work vehicle S, but a surveillance camera system can be introduced into a vehicle that performs work on site such as a tractor, a crane car, and a dump truck.

  FIG. 3 is a block diagram of the surveillance camera system according to the second embodiment. Instead of the work vehicle S that performs various operations according to the first embodiment, work sites such as a construction site, a dismantling site, a material storage site, a livestock site, and a farm. The surveillance camera system is configured using an appropriate vehicle C such as a business vehicle entering and exiting G.

  Further, the constituent devices of the monitoring camera system other than the vehicle C of the second embodiment are the same as the constituent devices of the monitoring camera system of the first embodiment, and also in the second embodiment, 1 is provided for one work site G. Although a plurality of vehicles C are illustrated, it is possible to connect a plurality of vehicles C to the central monitoring device 20 with respect to a plurality of work sites G.

  When these vehicles C are provided with the drive recorder C1, it is possible to input an image from the camera of the drive recorder C1 to the vehicle communication device 11. Furthermore, similarly to the monitoring camera system of the first embodiment, when the rear monitoring camera S1 is provided, an image from the rear monitoring camera S1 can be input to the vehicle communication device 11 together.

  The video signal of the camera of the drive recorder C1 is always transmitted in real time to the remote monitoring center via the wireless network N, like the rear monitoring camera S1 of the first embodiment.

  Moreover, the speed information of the vehicle C is input to the control unit 11a, and it is determined that the vehicle is parked when the speed of 0 km / h continues for 5 minutes, for example. When the parking is determined, the video signal is transmitted to the monitoring center. May be started.

  Furthermore, similarly to the work vehicle S of the first embodiment, it is possible to add a monitoring camera unit 11c to the vehicle communication device 11. In addition to the video signal of the drive recorder C1, it is arranged so that the monitoring camera unit 11c is directed toward the direction of the blind spot, and the vehicle C without the drive recorder C1 and the rear monitoring camera It is possible to arrange the monitoring camera unit 11c in an arbitrary direction and to perform an operation combining the drive recorder function and the monitoring function of the work site G.

  When the vehicle C entering and leaving the work site G is parked in the daytime in the work site G, the vehicle C is mainly parked in a place where it is possible to monitor workers working in the work site G, and when parking at night, It is preferable to park in a place where the entrance / exit of the site G, the material storage area F in the work site G, livestock, agricultural products, etc. can be monitored.

  As described above, the vehicle communication device 11 is installed on the work vehicle S or the vehicle C, and is placed on the work site G such as a construction site, a dismantling site, a material storage site, a livestock production site, a farm, etc., thereby monitoring the outside of the vehicle. Can be transmitted to the remote monitoring center via the wireless network N in real time.

  In the monitoring center, the monitoring monitor monitors the safety status and work status around the work vehicle S or C, and monitors the intrusion of suspicious persons and the theft of materials and scrap materials. Prevent or prevent theft of heavy machinery, equipment, materials, livestock and agricultural products.

DESCRIPTION OF SYMBOLS 10 Field device 11 Vehicle communication apparatus 11a Control part 11b Wireless communication part 11c Monitoring camera part 12 Operation terminal 20 Central monitoring apparatus 21 Monitoring terminal 22 Monitoring server 30 Mobile terminal C Vehicle C1 Drive recorder G Work site N Network network R Operation room S Work vehicle S1 Rear monitoring camera S2 Confirmation monitor S3 Battery

Claims (7)

A surveillance camera system comprising a field device installed in a vehicle and a central monitoring device connected to the field device via a wireless network;
The field device includes a control unit that inputs a video signal from a monitoring camera that captures the outside of the vehicle, and a wireless communication unit that transmits the input video signal from the monitoring camera to the central monitoring device via the wireless network. And a vehicular communication device.   The central monitoring device is connected to the monitoring server for storing and managing the transmitted video signal from the vehicle communication device in a recording medium, and displays the video from the vehicle communication device on the monitoring monitor. The surveillance camera system according to claim 1, further comprising a surveillance terminal.   The surveillance camera system according to claim 2, wherein the surveillance server can be accessed from a mobile terminal via the wireless network.   The surveillance camera system according to any one of claims 1 to 3, wherein the surveillance camera for photographing the outside of the vehicle is a camera of a drive recorder or a rear surveillance camera.   The surveillance camera for photographing the outside of the vehicle includes a camera of a drive recorder or a rear surveillance camera, and a surveillance camera unit disposed in the vehicle communication device. The surveillance camera system described.   The surveillance camera system according to claim 5, wherein when the surveillance camera unit repeats panning and detects an object moving by the human sensor, imaging is continued in the direction.   7. The surveillance camera system according to claim 5, wherein the direction of the surveillance camera unit can be remotely controlled from the central monitoring device.

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