KR101663380B1 - Radar wireless alert system - Google Patents

Abstract

The radar wireless alarm system disclosed in the present invention includes a radar RF unit that emits and receives electromagnetic waves to detect an object in the vicinity, and a radar video processor that processes a signal output from the radar RF unit to extract a radar image A video grabber for receiving and capturing and encoding the radar image from the radar unit, converting the captured image into radar image data, and transmitting the radar image data to a control processor, A wet contact controller for receiving the trigger signal outputted from the wet contact controller and converting the trigger signal into alarm data according to the data processing format of the control processor and outputting the alarm data to the control processor, A control processor for wirelessly transmitting the alarm data and the alarm data to the wireless terminal through the Wi-Fi module, and a controller for receiving the radar image data or alarm data and outputting the radar image based on the radar image data on the screen, To generate an alarm. In addition, the radar wireless alarm system further includes a database for storing the radar image data and alarm data.

Description

[0001] RADAR WIRELESS ALERT SYSTEM [0002]

The present invention relates to a radar wireless alarm system, and more particularly, to a radar wireless alarm system capable of receiving a radar image and an alarm message wirelessly and detecting and recognizing a radar image and an alarm signal even in an area not adjacent to the radar, ≪ / RTI >

In general, information about the situation of the ship in the navigation of the ship is obtained from the radar. In order to effectively prepare for a collision accident, an automatic radar floating device (hereinafter, simply referred to as " automatic radar plotting device ") is used in which, in addition to the functions of a conventional radar, ARPA: Automatic Radar Plotting Aids). These ARPA radars are particularly effective in preventing collisions in areas with heavy traffic such as coastal roads.

However, since most of the collision accidents are caused by human errors, various techniques have been developed for automatically identifying and determining the possibility of collision. For example, Patent Application Publication No. 10-2009-0069711 (Published on July 1, 2009) "Ship's Collision Prevention System", Patent No. 10-1298925 (Announcement on September 23, 2013) "Identification Support System", Patent No. 10-1072994 (Announcement of Dec. 12, 2011) "Vessel Collision Hazard Indicator and Vessel Collision Risk Indication Method" are generally referred to as ARPA radar or Automatic Identification System Automatically receives information of nearby vessels and adjusts the speed of the vessel and / or displays the risk of collision on the display by calculating proximity distance, proximity time, minimum collision avoidance distance value, .

However, apart from the support of such an automation judgment system, basically, in preparation for a collision or a stranding accident, a sailor must check an object within a certain range of the ship being operated by sight.

This observation is generally performed at the bridge (ship's cockpit) or at the bow or stern of the ship. Particularly, since the athlete or the stern is located at a remote place where the information display or the signal of the ARPA radar or the collision prevention system described above can not be recognized, the information display and the alarm signal output from these devices can not be recognized, . In addition, in the case of leisure boats and small ships, many people are not boarded, and even if they are boarded, they are not always on the bridge due to fishing or leisure activities. Therefore, information display and signals such as ARPA radar and anti- Even if there is a danger of a ship collision because it can not be monitored, immediate action is impossible. In addition, the radar-dedicated personnel must stay in the vicinity of the equipment in order to constantly monitor information or signals, leading to human error such as causing work fatigue.

Accordingly, the present invention is to provide a radar wireless alarm system capable of wirelessly receiving a radar image and an alarm message to confirm and recognize a radar image and an alarm signal, only in a region where Wi-Fi reception is possible even if it is not adjacent to the radar.

In order to accomplish the above object, a radar wireless alarm system according to the present invention includes a radar RF unit that emits and receives an electromagnetic wave to detect an object around the object, and a radar RF unit that processes a signal output from the radar RF unit to extract a radar image A video grabber for receiving, capturing and encoding the radar image from the radar unit, converting the radar image data to radar image data, and transmitting the radar image data to a control processor, and a guard zone A wet contact controller for receiving a trigger signal output for alarming the entry of the object to the control processor and converting the trigger signal into alarm data according to the data processing format of the control processor and outputting the alarm data to the control processor, Controller A control processor for controlling the control unit and wirelessly transmitting the radar image data and alarm data to a wireless terminal through a Wi-Fi module; and a control unit for receiving the radar image data or alarm data and outputting a radar image based on the radar image data, Or a wireless terminal that generates an alert based on the alert data.

The radar wireless alarm system may further include a database, and the control processor may store the radar image data and alarm data in the database.

In addition, the wireless terminal stores a plurality of the received radar image data, inquires the radar image data selected by the user's command, and outputs the radar image based on the inquired radar image data to the screen. In addition, the wireless terminal can output a radar image based on the radar image data received in real time by a user's command on the screen. The alert based on the alert data may include an alert message displayed on the screen of the wireless terminal, a display on the wireless terminal screen of the radar image representing the entry of the target into the guard zone corresponding to the alert message, And an alarm sound output from the alarm sound generator.

According to the present invention, it is possible to recognize a real-time image or a recorded image by receiving a radar image and an alarm message wirelessly, and also to recognize an alarm signal when the radar image and the alarm message are received only in a region where Wi- It is possible to cope with this, and safe operation is promoted.

1 is a schematic structural view of a radar wireless alarm system according to a preferred embodiment of the present invention.
2 is a circuit diagram of a general radar video processor.
3 is a schematic block diagram of a video grabber according to a preferred embodiment of the present invention.
FIG. 4A is a schematic block diagram showing a wet contact controller according to a preferred embodiment of the present invention, and FIG. 4B is a circuit diagram of a wet contact controller according to an embodiment of the present invention.
5A to 5E are screen photographs implemented in a smart phone as a wireless terminal according to an embodiment of the present invention,
5A is a screen showing a menu as an initial screen;
5B is a screen showing a list of "recorded video ";
5C is a screen showing the selected "recorded video"
FIG. 5D is a screen outputting an alarm message; FIG.
FIG. 5E is a screen for outputting a radar image representing entry of a target into the guard zone corresponding to the message of FIG. 5D.

Accordingly, the present invention provides a wireless communication device that processes a video signal and an alarm signal from a radar and places it within a predetermined distance around a place where an access point (AP) is installed through a conventional wifi (wireless fidelity) To a wireless terminal capable of the Internet. In this case, if it is only in the area where Wi-Fi reception is possible even if it is not adjacent to the radar, it can receive real-time image or recorded image by wirelessly receiving image data and alarm signal from radar, It is possible to take immediate action and ensure safe operation.

The term "wireless fidelity " as used in the present invention refers to a technology that refers to a local area network capable of performing wireless Internet within a certain distance using a radio wave or an infrared transmission method in a place where an access point (AP) do.

The term "wireless terminal" used in the present invention collectively refers to known terminals capable of all wireless Internet including a smart phone, a tablet, and a notebook computer.

1 is a schematic structural view of a radar wireless alarm system according to a preferred embodiment of the present invention. Referring to FIG. 1, the system 100 according to the present embodiment processes and stores a radar image and an alarm signal output from the radar unit 110, and processes the processed radar image data and alarm data through Wi-Fi wireless communication To a wireless terminal such as a smart phone, a tablet, or a notebook computer in the vicinity.

The system 100 includes a video grabber 120 that receives and captures the radar image and transmits the encoded radar image data to the control processor 140, A wet contact controller 130 for receiving a trigger signal from the video grabber 120 and converting the received trigger signal into an alarm signal according to a processing format of the control processor 140, And a control processor 140 for controlling the wireless terminal 130 and wirelessly transmitting the radar image data and the alarm data inputted thereto from the wireless terminal 170 to the nearby wireless terminal 170 through the WiFi module 160. In addition, the control processor 140 stores the image data and the alarm signal in a database 150, which may be a memory or a disk, provided in the present system, for example, by time slot.

1, the radar unit 110 typically comprises a radar RF unit 112 and a radar video processor 114 that processes the signals output from the radar RF unit 112 and outputs a radar image. The radar RF unit 112 may be any known RF unit including a pulse radar that emits and receives electromagnetic waves using known frequencies, including 3GHz band, 5GHz band, or 9GHz band. The radar video processor 114 may also be any known video processor that processes video signals, heading signals, and bearing signals output from the radar RF unit 112 to extract radar image images . The radar video processor 114 as an example is shown in FIG. 2, and it can be composed of a signal input / output section, a signal processing algorithm mounting section, and a power supply circuit section. Dot Numbers (VxH) 37.9 kHz, a vertical synchronization frequency of 60 Hz, and an output signal format of SVGA.

3, the video grabber 120 receives various types of radar image images 122 and 123 from the radar video processor 114 through the respective input ports 125 and 126, Captures and encodes 128 to digital data. The video grabber 120 transmits the radar image data to the control processor 140 via a known interface such as PCI (Peripheral Component Interconnect) or ISA (industry standard architecture) interface. As an example, the video grabber 120 may transmit the processed radar image data to the control processor 140 in real time, or, in another example, the video grabber 120 may store a storage unit such as a memory And stores the radar image data converted into the digital data in the storage unit and transmits the radar image data to the control processor 140 whenever an output request is made from the control processor 140. [ The control processor 140 stores the radar image data in the database 150 and wirelessly transmits the radar image data to the nearby wireless terminal 170 via the Wi-Fi module 160. As a codec, a normal video codec including H.264, MPEG4, and Motion JPEG can be used. In addition, a Hypertext Transfer Protocol (HTTP), a Real Time Transport Protocol (RTP), and a Real Time Streaming Protocol (RTSP) , User Datagram Protocol (UDP), and the like can be used. In addition, the update rate can be set at a resolution of 30 FPS (frames per second) at a resolution of 640 × 480, 30 FPS at 800 × 600, 30 FPS at 1024 × 768, 30 FPS at 1280 × 1024, 30 FPS at 1920 × 1080, 25 FPS.

As shown in FIG. 4A, the wet contact controller 130 generally detects the entry of a target into a guard zone set by the user in the radar unit 110, and transmits the detection result to the radar RF unit 112 (For example, 4 bits of "D0 " to" D3 ") of 1 to 2 V which is output as an alarm signal and receives it from the data processing format of the control processor 140 8 bit), and pushes it as alert data to the control processor 140 through a known interface including RS232, RS422, and RS485. In this case, the control processor 140 stores the alert data in the database 150 and wirelessly transmits the alert data to the nearby wireless terminal 170 via the Wi-Fi module 160. As an example, a circuit diagram of such a wet contact controller 130 is shown in FIG. 4B.

As described above, the control processor 140 controls the video grabber 120 and the wet contact controller 130, receives input image data and alarm signals from the video grabber 120 and the wet contact controller 130, stores them in the database 150 And wirelessly transmits the wireless terminal 170 to the nearby wireless terminal 170 via the Wi-Fi module 160. The WiFi module 160 may be any known wireless interface conforming to wireless standards such as IEEE 802.11n and IEEE 802.11b.

In addition, the wireless terminal 170 may be any wireless terminal including a general smart phone, tablet, or notebook computer that is located within a predetermined distance from an access point (AP) , And receives radar images and alarm data via Wi-Fi wireless communication from the control processor 140.

5A to 5E are screen pictures implemented in the smartphone 170 as an embodiment of the system according to the present invention.

As an example, the wireless terminal 170 may provide the user with a menu consisting of a "radar image", which is a real time radar image, and a "recorded image", which is a recorded radar image, to the user. 5B, the wireless terminal 170 receives a list of the radar image data stored in the internal memory by the control processor 140 for a predetermined period of time, and transmits the list of the radar image data to the user And outputs a radar image of the image data list selected by the user on the screen as shown in FIG. 5C. As an example, the wireless terminal 170 may be configured to adjust the time interval for storage of radar image data by time of day. When the "radar image" is selected, the wireless terminal 170 reproduces the radar image data received from the control processor 140 on the screen in real time.

The trigger signal generated as an alarm signal from the radar unit 110 as described above is transmitted to the wet contact controller 130 and the control processor 130. In other words, The wireless terminal 170 receives an alarm message (e.g., "an alarm alarm has occurred" as shown in FIG. 5D) And outputs the corresponding radar image as shown in FIG. 5E (when the user selects "OK" on the screen) so that the user can immediately recognize the details. As another example, the screen display of the alarm message and the screen display of the corresponding radar image may be displayed together if the order is reversed, or alternatively, only one of the alarm message and the corresponding radar image may be displayed Is quite natural for a person skilled in the art. As an example, a warning sound may be issued together with a screen display of the alarm message and a screen display of the corresponding radar image.

According to the above-described radar wireless alarm system of the present invention, it is possible to process a video image and an alarm signal from a radar and transmit it to a location within a predetermined distance from an access point (AP) through ordinary Wi- By transmitting a radar image and an alarm message wirelessly to a wireless terminal capable of wireless Internet access, it is possible to recognize a real-time image or a recorded image, and to recognize an alarm signal And it is possible to cope with various situations instantly, and safe operation is promoted.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Such modifications, alterations, additions, and the like are to be regarded as falling within the scope of the claims.

100: Radar wireless alarm system 110: Radar unit
120: video grabber 130: wet contact controller
140: control processor 150: database
160: WiFi module 170: wireless terminal

Claims (5)

And a radar video processor (114) for processing a signal output from the radar RF unit (112) to extract a radar image, wherein the radar RF unit (112) A radar unit 110 for generating a trigger signal when an object enters the guard zone arbitrarily set;
A video grabber 120 for receiving, capturing and encoding the radar image from the radar video processor 114, converting the captured image into radar image data, and transmitting the radar image data to the control processor 140;
When the trigger signal is generated, the wet contact controller 130 (130) receives the trigger signal from the radar unit 110, converts the trigger signal into a data processing format of the control processor 140, and interrupts and pushes the trigger signal as alert data to the control processor 140 )Wow;
And controls the video grabber 120 and the wet contact controller 130 so that one or more of the radar image data received from the video grabber 120 and the alert data received from the wet contact controller 130 is transmitted to the Wi- When the alarm data is input from the wet contact controller 130, the radar image data indicating the entry of the object into the guard zone is wirelessly transmitted together with the alarm data, A control processor 140 for wirelessly transmitting to the terminal 170;
And a display screen, wherein at least one of the radar image data and the alarm data is received, a radar image based on the received radar image data is output to the display screen, and when receiving the alarm data, Wherein the alarm is one or more of at least one of generating an alarm sound, outputting an alarm message to the display screen, and outputting a radar image based on the radar image data representing the drawing of the object to the guard zone to the display screen And a wireless terminal (170) for performing wireless communication with the radar system. The method according to claim 1,
Wherein the radar wireless alarm system further comprises a database (150), and the control processor (140) stores the radar image data and the alarm data in the database (150). The method according to claim 1,
The wireless terminal 170 stores the received radar image data in real time, inquires the radar image data selected by the user's command, and outputs the radar image based on the inquired radar image data to the screen Radar wireless alarm system. delete delete

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