KR100992917B1

KR100992917B1 - Integrated wireless communication system in ship

Info

Publication number: KR100992917B1
Application number: KR20080047205A
Authority: KR
Inventors: 김기석
Original assignee: 대우조선해양 주식회사
Priority date: 2008-05-21
Filing date: 2008-05-21
Publication date: 2010-11-08
Also published as: KR20090121090A

Abstract

The present invention relates to an integrated wireless communication system in a ship, and more particularly to a system incorporating functions related to video data communication, voice data communication, and closed circuit monitoring through a wireless LAN connection device in a communication system installed on board an LNG ship. It is about.

The integrated wireless communication system inboard of the present invention is a communication system installed in a ship, which stores a video terminal and video data transmitted by the video terminal through a wireless LAN connection device for transmitting and receiving video data from a remote location. An image data communication unit having a server; Voice data for transmitting and receiving voice data at a remote location, and voice data including a switch for transmitting voice data transmitted by the voice terminal through the WLAN connection apparatus to another voice terminal having a number input to the voice terminal. Communication unit; And a closed circuit monitoring unit including a camera unit and a recorder for receiving the image data transmitted by the camera unit through the wireless LAN connection device for monitoring by a camera at a remote location.

Integrated, WLAN, video data, audio data, closed circuit

Description

Integrated wireless communication system in ship

In general, transmitters installed in LNG ships, extension alarm systems, inboard telephone systems and Shipboard computer networks are interconnected by wired network systems.

The environment for the use of general public telephone network of LNG ship and data communication network for computer communication is constructed as a separate and independent system, and the existing wireless communication system is also a system for voice processing and data processing. Although established, the simultaneous use of telephone and computer communications has become an essential requirement for business or office work.

Currently, a standard environment called Bluetooth is proposed as a standard having a function of simultaneously transmitting and receiving voice and data. Bluetooth is a function that wirelessly connects portable portable devices such as portable computers, mobile phones, etc. within a narrow range at low cost, and enables the transmission and reception of voice and data between various digital devices using radio frequency without a cable. have. For example, if Bluetooth technology is applied to a mobile phone and a notebook, it is no longer necessary to use a cable that is currently used to connect the mobile phone and the notebook.

However, as a method of using these Bluetooth products, only one of voice and data may be used, as can be seen in each product to be used, such as a wireless data communication device, a wireless telephone, a wireless keyboard, a wireless handsfree, a wireless headset, and a wireless print. The transmission / reception process is adopted and used, and the transmission and reception of voice and data at the same time is not applied.

In addition, there is a problem that a system that integrates a system having a monitoring function together with a general public telephone network and a data communication network for computer communication is not yet implemented.

An object of the present invention is to provide an integrated wireless communication system incorporating functions related to video data communication, voice data communication, and closed circuit monitoring through a wireless LAN connection device in a communication system installed on board an LNG ship.

The present invention provides a communication system installed on board an LNG ship, comprising: an image terminal and a server storing the image data transmitted by the image terminal through a wireless LAN connection device for transmitting and receiving image data at a remote location. A data communication unit; Voice data for transmitting and receiving voice data at a remote location, and voice data including a switch for transmitting voice data transmitted by the voice terminal through the WLAN connection apparatus to another voice terminal having a number input to the voice terminal. Communication unit; And a closed circuit monitoring unit including a camera unit and a recorder for receiving the image data transmitted by the camera unit through the wireless LAN connection device for monitoring by a camera at a remote location. Provide a communication system.

In one embodiment of the present invention, the server includes a data transceiver for transmitting and receiving image data to detect and control the signal of the image data; A data line distribution controller for connecting and distributing data signals transmitted and received by the data transceiver to and from the video terminal through an external router; A wired / wireless signal conversion control unit connected to the data line distribution control unit and processing wired and wirelessly to transmit and receive image data to a corresponding video terminal; A wireless transceiver configured to detect a wired / wireless signal transmitted / received with a corresponding video terminal, and to control wireless channel routing in order to perform wireless communication by allocating a wired / wireless signal to predetermined channels of the corresponding video terminal. Provide an integrated wireless communication system.

In another embodiment of the present invention, the exchange includes a telephone transceiver for transmitting and receiving voice data through a public telephone network; A telephone line controller which connects a trunk line coming from the telephone transceiver to an extension and performs a telephone exchange function; A wired / wireless signal conversion control unit connected to the telephone line distribution control unit and processing wired and wirelessly to transmit and receive voice data to the corresponding voice terminal; A wireless transceiver configured to detect a wired / wireless signal transmitted / received with the corresponding voice terminal, and to control wireless channel routing in order to perform wireless communication by allocating the wired / wireless signal to predetermined channels of the corresponding voice terminal. Provide an integrated wireless communication system.

In another embodiment of the present invention, the camera unit, a camera; An analog-to-digital converter for binary encoding the video signal from the camera; A first storage unit which stores the encoded image data; First demodulation and demodulation means for demodulating and demodulating the image data to transmit and receive; And a connection unit connecting the first modulation and demodulation means to a wireless LAN connection device, wherein the recorder comprises: second modulation and demodulation means for modulating and demodulating the video data demodulated by the first modulation and demodulation means; A digital-to-analog converter for decoding the data demodulated by the second demodulation means into an original video signal; And display means for displaying the output signal of the digital-to-analog converter as a text or an image.

According to the present invention, by changing the cable provided in the communication system installed in the ship to wireless, the cable cost and labor costs for the cable installation is reduced.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 is a configuration diagram of an integrated wireless communication system inboard of the present invention, Figure 2 is an embodiment in which the integrated wireless communication system inboard of the present invention is implemented.

The integrated wireless communication system on board an LNG ship includes a video data communication unit 100, a voice data communication unit 200, and a closed circuit monitoring unit 300.

1) Video data communication unit 100

The image data communication unit 100 includes a video terminal 110 and a server 120 storing image data transmitted by the video terminal 110 through the WLAN access device 500 to transmit and receive image data from a remote location. Equipped. The server 120 includes a data transceiver 121, a data line distribution controller 122, a wired and wireless signal conversion controller 123, and a wireless transceiver 124.

The data transmission / reception unit 121 is connected to a data communication network to transmit and receive image data to detect and control a signal of the image data, and the data line distribution control unit 122 externally receives the data signal transmitted / received by the data transmission / reception unit 121. The router 400 performs a routing function of connecting and distributing to the corresponding video terminal. The wire / wireless signal conversion control unit 123 is connected to the data line distribution control unit 122, and processes wired and wireless to transmit and receive image data to the video terminal. In addition, the wireless transceiver 124 detects wired and wireless signals transmitted and received with the corresponding video terminal, and controls wireless channel routing to allocate wireless and wired signals to predetermined channels of the video terminal to perform wireless communication.

2) voice data communication unit 200

The voice data communication unit 200 inputs the voice data transmitted from the voice terminal 210 and the wireless terminal access point 500 to the voice terminal 210 to transmit and receive voice data from a remote location. It is provided with a switch 220 for transmitting to the other voice terminal having the number. The exchange 220 includes a telephone transceiver 221, a telephone line controller 222, a wired / wireless signal conversion controller 223, and a wireless transceiver 224.

The telephone transceiver 221 is directly connected to a public telephone network, and transmits and receives voice data through a public telephone network.

The telephone line controller 222 connects the trunk line coming from the telephone transceiver 221 to an extension line, and waits for call waiting, call transfer, automatic distribution of inbound calls, and remote call routing. It performs various telephone switch functions such as routing, remote call monitoring, audiotex, and callback functions.

The wire / wireless signal conversion control unit 223 is connected to the telephone line control unit 222 and processes wired and wireless to transmit and receive voice data to the corresponding voice terminal.

The wireless transceiver 224 detects wired and wireless signals transmitted and received with the corresponding voice terminal, and allocates wired and wireless signals to predetermined channels of the voice terminal to control wireless channel routing to perform wireless communication.

3) closed circuit monitoring unit 300

The closed circuit monitoring unit 300 includes a camera unit 310 and a recorder 320 that receives the image data transmitted from the camera unit 310 through the WLAN connection apparatus 500 to monitor the camera from a remote location. Equipped.

The camera unit 310 includes a camera 311, an analog-digital converter (A / D converter) 312, a first storage unit 313, a first modulation / demodulation unit 314, and a connection unit 315. The analog-to-digital converter 312 binary-codes the video signal from the camera 311, and the first storage 313 stores the encoded video data. The first modulation and demodulation means 314 modulates and demodulates the image data for transmission and reception, and the connection unit 315 connects the first modulation and demodulation means 314 to the WLAN access point 500.

The recorder 320 includes a second modulation and demodulation means 321, a digital-to-analog converter (D / A converter) 322, and a display means 323. The second modulation and demodulation means 321 modulates and demodulates the image data demodulated by the first modulation and demodulation means 314, and the digital-to-analog conversion unit 322 modulates the demodulated data by the second modulation and demodulation means 321 to the original video signal. Decrypt with. The display means 323 displays the output signal of the digital-to-analog converter 322 in text or an image.

DETAILED DESCRIPTION OF THE INVENTION The detailed description and the accompanying drawings of the present invention merely suggest preferred embodiments, and the protection scope of the present invention is not limited to the drawings and the detailed description of the invention.

1 is a block diagram of an integrated wireless communication system on board the present invention.

2 is an embodiment of an integrated wireless communication system inboard of the present invention.

100: video data communication unit 110: video terminal

120: server 121: data transmission and reception unit

122: data line distribution control unit 123, 223: wired and wireless signal conversion control unit

124, 224: wireless transceiver 200: voice data communication unit 210: voice terminal 220: switchboard 221: telephone transceiver 222: telephone line controller

300: closed circuit monitoring unit 310: camera unit

311: camera 312: A / D conversion unit

313: first storage unit 314: first modulation and demodulation means

315 connection portion 320 recorder 321 second modulation and demodulation means 322 D / A conversion portion

323: display means 400: router

500: wireless LAN access device

Claims

delete

In a communication system installed on board,

A video data communication unit including a video terminal and a server storing the video data transmitted by the video terminal through a wireless LAN access device to transmit and receive video data from a remote location;

Voice data for transmitting and receiving voice data at a remote location, and voice data including a switch for transmitting voice data transmitted by the voice terminal through the WLAN connection apparatus to another voice terminal having a number input to the voice terminal. Communication unit; And

And a closed circuit monitoring unit including a camera unit and a recorder for receiving image data transmitted by the camera unit through the wireless LAN connection device for monitoring by a camera at a remote location.

The server,

A data transceiver for transmitting and receiving image data to detect and control a signal of the image data;

A data line distribution controller for connecting and distributing data signals transmitted and received by the data transceiver to and from the video terminal through an external router;

A wired / wireless signal conversion control unit connected to the data line distribution control unit and processing wired and wirelessly to transmit and receive image data to a corresponding video terminal;

A wireless transceiver configured to detect a wired / wireless signal transmitted / received with a corresponding video terminal, and to control wireless channel routing in order to perform wireless communication by allocating a wired / wireless signal to predetermined channels of the corresponding video terminal. Integrated wireless communication system.

The method of claim 2,

The exchanger,

A telephone transceiver for transmitting and receiving voice data through a public telephone network;

A telephone line controller which connects a trunk line coming from the telephone transceiver to an extension and performs a telephone exchange function;

A wired / wireless signal conversion control unit connected to the telephone line distribution control unit and processing wired and wirelessly to transmit and receive voice data to the corresponding voice terminal;

A wireless transceiver configured to detect a wired / wireless signal transmitted / received with the corresponding voice terminal, and to control wireless channel routing in order to perform wireless communication by allocating the wired / wireless signal to predetermined channels of the corresponding voice terminal. Integrated wireless communication system.

The method of claim 2,

The camera unit

camera;

An analog-to-digital converter for binary encoding the video signal from the camera;

A first storage unit which stores the encoded image data;

First demodulation and demodulation means for demodulating and demodulating the image data to transmit and receive; And

And a connection part connecting the first modulation and demodulation means to a wireless LAN access device.

The recorder,

Second modulation and demodulation means for modulating and demodulating the video data modulated and demodulated by the first modulation and demodulation means;

A digital-to-analog converter for decoding the data demodulated by the second demodulation means into an original video signal; And

And display means for displaying the output signal of the digital-to-analog converter as a text or an image.