JP2003008962A - Power-line carrier communication ip monitor camera - Google Patents

Power-line carrier communication ip monitor camera

Info

Publication number
JP2003008962A
JP2003008962A JP2001192721A JP2001192721A JP2003008962A JP 2003008962 A JP2003008962 A JP 2003008962A JP 2001192721 A JP2001192721 A JP 2001192721A JP 2001192721 A JP2001192721 A JP 2001192721A JP 2003008962 A JP2003008962 A JP 2003008962A
Authority
JP
Japan
Prior art keywords
power
communication
power line
line
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
JP2001192721A
Other languages
Japanese (ja)
Inventor
Takao Amamiya
隆郎 雨宮
Original Assignee
Toshiba Corp
株式会社東芝
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, 株式会社東芝 filed Critical Toshiba Corp
Priority to JP2001192721A priority Critical patent/JP2003008962A/en
Publication of JP2003008962A publication Critical patent/JP2003008962A/en
Withdrawn legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To provide a power-line carrier communication IP supervisory camera that can simply distribute a video image by means of a power-line carrier communication system by using the power lines for communication. SOLUTION: The power-line carrier communication IP monitor camera is provided with: a camera unit 10 for photographing a required video image; an encoder 12 that encodes the video signal of the video image photographed with the camera unit 10; a TCP/IP communication unit 14 that converts the video signal encoded with the encoder 12 into a TCP/IP packet for transmission of IP-converted signal; a power-line carrier communication MODEM 18 that modulates the transmission signal converted into the TCP/IP packet with the TCP/IP communication unit 14; and a power supply unit 20 that is connected to a power line Lp such as a distribution line to supply DC power to the camera unit 10, the encoder 12, the TCP/IP communication unit 14 and the power-line carrier communication MODEM 15. The camera is configured such that the video signal modulated by the power-line carrier communication MODEM 18 is superimposed on the power line Lp connected to an AC power supply side of the power supply unit 20 and the power line Lp is used for the communication line so as to distribute the video image by the power-line carrier communication.

Description

【発明の詳細な説明】Detailed Description of the Invention
【0001】[0001]
【発明の属する技術分野】本発明は、配電線等の電力線
を通信回線として使用し、所要の監視カメラによる監視
映像をIP(Internet Protocol )化して電力線に重
畳し、IPアドレスに基づいて監視映像の配信を行うこ
とができる電力線通信型IP監視カメラに関するもので
ある。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention uses a power line such as a distribution line as a communication line, superimposes a surveillance image from a required surveillance camera on an IP (Internet Protocol), and superimposes it on the power line. The present invention relates to a power line communication type IP surveillance camera capable of delivering the following.
【0002】[0002]
【従来の技術】従来の監視カメラによる監視映像の配信
に際しては、一般的に電源を供給する配電線と映像信号
を伝送するための通信回線とからなる2本の配線が、最
低限必要であった。このため、監視カメラを設置する場
合、電源の他に通信回線の配線工事を必要とし、設備コ
ストが増大する難点があった。
2. Description of the Related Art In the conventional distribution of surveillance video by a surveillance camera, generally, at least two wirings consisting of a distribution line for supplying power and a communication line for transmitting a video signal are required. It was Therefore, when the surveillance camera is installed, the wiring work for the communication line is required in addition to the power supply, and the equipment cost is increased.
【0003】しかるに、今日において、例えば宅内配電
線による家電製品間のLANによる通信方式、電力会社
と家庭もしくはオフィスの間を結ぶ配電線により家電制
御の通信方式、さらには配電線をインターネット回線と
して利用するによりを行う通信方式として、電力線通信
方式(PLC:Power Line Communication)が実施
化されている。そして、この電力線通信方式は、配線済
みの電力線を通信回線として使用するので、新規の配線
工事が不要であり、しかも任意のACコンセントに電力
線通信モデムを差し込むだけでデータ通信が行えるとい
う利点を有している。
However, today, for example, a LAN communication system between home electric appliances using a home distribution line, a communication system for controlling home appliances by a distribution line connecting an electric power company to a home or an office, and the distribution line as an Internet line are used. A power line communication method (PLC) has been implemented as a communication method for performing the above. In addition, this power line communication method uses an already wired power line as a communication line, so that new wiring work is unnecessary, and there is an advantage that data communication can be performed only by inserting a power line communication modem into an arbitrary AC outlet. is doing.
【0004】また、ネットワーク層にIP(Internet
Protocol )を、その上位のトランスポート層にTCP
(Transmission Control Protocol )を使用するイ
ンターネットの標準プロトコルであるTCP/IPを使
用して、監視カメラによる監視映像を伝送するためのT
CP/IP通信ユニットが開発され、実用化されてい
る。
In addition, IP (Internet) is used in the network layer.
Protocol) to the upper transport layer of TCP
T for transmitting surveillance video from surveillance cameras using TCP / IP, which is a standard protocol of the Internet using (Transmission Control Protocol)
CP / IP communication units have been developed and put into practical use.
【0005】なお、前記監視映像の伝送方式として、静
止画を対象としたJPEG(JointPhotographic Exp
erts Group)方式と、動画を対象としたMPEG(M
oving Picture Experts Group)方式とが知られ、
特に動画を毎秒数十枚並んだ静止画とみなしてJPEG
で符号化することができるモーションJPEG方式や、
解像度と符号化レートを変化させてフレーム間の予測処
理を適正に行うようにしたMPEG−2やMPEG−4
方式が採用され、普及されている。
As a method of transmitting the surveillance video, JPEG (Joint Photographic Exp) for still images is used.
erts Group method and MPEG (M
oving Picture Experts Group) method,
In particular, JPEG is regarded as a still image in which several tens of videos are lined up per second.
Motion JPEG method that can be encoded with
MPEG-2 and MPEG-4 in which the resolution and the coding rate are changed to properly perform the inter-frame prediction process.
The method has been adopted and is widely used.
【0006】[0006]
【発明が解決しようとする課題】そこで、本発明者は、
鋭意研究並びに検討を重ねた結果、カメラユニットによ
り撮影された監視映像の映像信号をエンコーダにより符
号化し、この符号化された映像信号をTCP/IP通信
ユニットによりIP化して伝送するためのTCP/IP
パケットに変換し、そして変換された伝送信号を電力線
通信モデムにより変調して電力線に重畳することによっ
て、前記電力線を通信回線として電力線通信方式により
前記監視映像を簡便に配信をすることがでることを突き
止めた。
Therefore, the inventor of the present invention
As a result of intensive studies and studies, a TCP / IP for encoding a video signal of a surveillance video imaged by a camera unit by an encoder and converting the encoded video signal into an IP by a TCP / IP communication unit for transmission.
By converting the packet into a packet and modulating the converted transmission signal by the power line communication modem and superimposing it on the power line, it is possible to easily deliver the monitoring video by the power line communication method using the power line as a communication line. I found it.
【0007】すなわち、本発明においては、カメラユニ
ットと、エンコーダと、TCP/IP通信ユニットと、
電力線通信モデムと、電源ユニットとを一体的に構成
し、前記電力線通信モデムにより変調された映像信号を
前記電源ユニットのAC電源側に接続される電力線に重
畳し、前記電力線を通信回線として監視映像を電力線通
信方式により簡便に配信を行うことができる、電力線通
信型IP監視カメラを容易に得ることができる。
That is, in the present invention, a camera unit, an encoder, a TCP / IP communication unit,
A power line communication modem and a power supply unit are integrally configured, and a video signal modulated by the power line communication modem is superimposed on a power line connected to the AC power source side of the power supply unit, and the power line is used as a communication line for monitoring video. It is possible to easily obtain a power line communication type IP surveillance camera that can easily perform distribution using the power line communication method.
【0008】従って、本発明の目的は、電力線を通信回
線として電力線通信方式により監視映像の配信を簡便に
行うことができる電力線通信型IP監視カメラを提供す
ることにある。
SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a power line communication type IP surveillance camera which can easily deliver a surveillance image by a power line communication system using a power line as a communication line.
【0009】[0009]
【課題を解決するための手段】前記目的を達成するた
め、本発明に係る電力線通信型IP監視カメラは、所要
の監視映像を撮影するカメラユニットと、前記カメラユ
ニットにより撮影された監視映像の映像信号を符号化す
るエンコーダと、前記エンコーダにより符号化された映
像信号をIP化して伝送するためのTCP/IPパケッ
トに変換するTCP/IP通信ユニットと、前記TCP
/IP通信ユニットによりTCP/IPパケットに変換
された伝送信号を変調する電力線通信モデムと、前記カ
メラユニット、エンコーダ、TCP/IP通信ユニット
および電力線通信モデムに対しそれぞれDC電源を供給
するために配電線等の電力線に接続される電源ユニット
とを備え、前記電力線通信モデムにより変調された映像
信号を前記電源ユニットのAC電源側に接続される電力
線に重畳し、前記電力線を通信回線として電力線通信方
式により監視映像の配信を行うよう構成したことを特徴
とする。
In order to achieve the above object, a power line communication type IP surveillance camera according to the present invention comprises a camera unit for taking a required surveillance video and a video of the surveillance video taken by the camera unit. An encoder that encodes a signal, a TCP / IP communication unit that converts the video signal encoded by the encoder into a TCP / IP packet for IP transmission, and the TCP
/ IP communication unit for modulating transmission signals converted into TCP / IP packets, and power distribution line for supplying DC power to the camera unit, encoder, TCP / IP communication unit and power line communication modem respectively A power supply unit connected to a power line such as the power line communication modem, and the video signal modulated by the power line communication modem is superimposed on the power line connected to the AC power source side of the power supply unit, and the power line is used as a communication line by a power line communication method. It is characterized in that the monitoring video is distributed.
【0010】この場合、前記カメラユニットと、エンコ
ーダと、TCP/IP通信ユニットと、電力線通信モデ
ムと、電源ユニットとを一体的に構成し、前記電源ユニ
ットのAC電源側の配電線に、前記電力線通信モデムに
より変調された映像信号を重畳すると共に、前記配電線
にプラグを設けて電力線のACコンセントに着脱可能に
接続し得るよう構成することができる。
In this case, the camera unit, the encoder, the TCP / IP communication unit, the power line communication modem, and the power supply unit are integrally formed, and the power line is connected to the AC power supply side distribution line of the power supply unit. A video signal modulated by a communication modem may be superimposed, and a plug may be provided on the distribution line so as to be detachably connectable to an AC outlet of a power line.
【0011】[0011]
【発明の実施の形態】次に、本発明に係る電力線通信型
IP監視カメラの実施例につき、添付図面を参照しなが
ら、以下詳細に説明する。
BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of a power line communication type IP surveillance camera according to the present invention will be described in detail below with reference to the accompanying drawings.
【0012】図1は、本発明に係る電力線通信型IP監
視カメラの一実施例を示すものであって、参照符号10
はカメラユニット、12はエンコーダ、14はTCP/
IP通信ユニット、18は電力線通信モデム、20は電
源ユニットをそれぞれ示し、これらの構成要素を一体的
に組み合わせて、電力線通信型IP監視カメラが構成さ
れている。
FIG. 1 shows an embodiment of a power line communication type IP surveillance camera according to the present invention.
Is a camera unit, 12 is an encoder, 14 is TCP /
An IP communication unit, 18 is a power line communication modem, and 20 is a power supply unit. These components are integrally combined to form a power line communication IP surveillance camera.
【0013】しかるに、本実施例における電力線通信型
IP監視カメラは、カメラユニット10により撮影され
た監視映像の映像信号を、エンコーダ12により符号化
し、この符号化された映像信号を、TCP/IP通信ユ
ニット14によりIP化して伝送するためのTCP/I
Pパケットに変換し、そして変換された伝送信号を、電
力線通信モデム18により変調される。
However, in the power line communication type IP surveillance camera of this embodiment, the video signal of the surveillance video imaged by the camera unit 10 is encoded by the encoder 12, and the encoded video signal is transmitted by TCP / IP communication. TCP / I for IP transmission by the unit 14
The transmission signal is converted into P packets, and the converted transmission signal is modulated by the power line communication modem 18.
【0014】一方、前記カメラユニット10、エンコー
ダ12、TCP/IP通信ユニット14および電力線通
信モデム18に対し、それぞれDC電源を供給ために配
電線等の電力線Lp に接続される電源ユニット20を設
け、前記電力線通信モデム18により変調された映像信
号を、前記電源ユニット18のAC電源側に接続される
電力線Lp に重畳し、前記電力線Lp を通信回線として
電力線通信方式により監視映像の配信を行うよう構成さ
れる。なお、図1において、参照符号LdcはDC電源供
給ラインを示すと共に、参照符号Lvsは映像信号伝送ラ
インをそれぞれ示す。
On the other hand, each of the camera unit 10, the encoder 12, the TCP / IP communication unit 14 and the power line communication modem 18 is provided with a power supply unit 20 connected to a power line Lp such as a distribution line for supplying DC power. The video signal modulated by the power line communication modem 18 is superimposed on the power line Lp connected to the AC power source side of the power supply unit 18, and the monitoring video is distributed by the power line communication system using the power line Lp as a communication line. To be done. In FIG. 1, reference numeral Ldc indicates a DC power supply line, and reference numeral Lvs indicates a video signal transmission line.
【0015】また、本実施例の電力線通信型IP監視カ
メラにおいては、前記電源ユニット20のAC電源側の
配電線Lp に、前記電力線通信モデム18により変調さ
れた映像信号を重畳すると共に、前記配電線Lp にプラ
グを設けて電力線のACコンセント22に着脱可能に接
続し得るよう構成することができる。
In the power line communication type IP surveillance camera of the present embodiment, the video signal modulated by the power line communication modem 18 is superimposed on the distribution line Lp on the AC power source side of the power supply unit 20, and the distribution is performed. The electric wire Lp may be provided with a plug so that it can be detachably connected to the AC outlet 22 of the electric power line.
【0016】以上、本発明の好適な実施例について説明
したが、本発明は前記実施例に限定されることなく、本
発明の精神を逸脱しない範囲内において、種々の設計変
更を行うことができることは勿論である。
Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various design changes can be made without departing from the spirit of the present invention. Of course.
【0017】[0017]
【発明の効果】前述した実施例から明らかな通り、本発
明に係る電力線通信型IP監視カメラによれば、所要の
監視映像を撮影するカメラユニットと、前記カメラユニ
ットにより撮影された監視映像の映像信号を符号化する
エンコーダと、前記エンコーダにより符号化された映像
信号をIP化して伝送するためのTCP/IPパケット
に変換するTCP/IP通信ユニットと、前記TCP/
IP通信ユニットによりTCP/IPパケットに変換さ
れた伝送信号を変調する電力線通信モデムと、前記カメ
ラユニット、エンコーダ、TCP/IP通信ユニットお
よび電力線通信モデムに対しそれぞれDC電源を供給す
るために配電線等の電力線に接続される電源ユニットと
を備え、前記電力線通信モデムにより変調された映像信
号を前記電源ユニットのAC電源側に接続される電力線
に重畳するよう構成することにより、前記電力線を通信
回線として電力線通信により監視映像の配信を簡便に行
うことができる。
As is apparent from the embodiments described above, according to the power line communication type IP surveillance camera of the present invention, a camera unit for taking a desired surveillance video and a video of the surveillance video taken by the camera unit. An encoder that encodes a signal, a TCP / IP communication unit that converts a video signal encoded by the encoder into a TCP / IP packet for IP transmission, and the TCP / IP
A power line communication modem that modulates a transmission signal converted into a TCP / IP packet by the IP communication unit, and a distribution line or the like for supplying DC power to the camera unit, the encoder, the TCP / IP communication unit, and the power line communication modem, respectively. And a power supply unit connected to the power line of the power line, and the video signal modulated by the power line communication modem is configured to be superimposed on the power line connected to the AC power source side of the power supply unit, thereby using the power line as a communication line. It is possible to easily deliver the monitoring video by power line communication.
【図面の簡単な説明】[Brief description of drawings]
【図1】本発明に係る電力線通信型IP監視カメラの一
実施例を示すシステム構成図である。
FIG. 1 is a system configuration diagram showing an embodiment of a power line communication type IP surveillance camera according to the present invention.
【符号の説明】[Explanation of symbols]
10 カメラユニット 12 エンコーダ 14 TCP/IP通信ユニット 18 電力線通信モデム 20 電源ユニット 22 ACコンセント Ldc DC電源供給ライン Lvs 映像信号伝送ライン Lp 電力線(配電線) 10 camera unit 12 encoder 14 TCP / IP communication unit 18 Power line communication modem 20 power supply unit 22 AC outlet Ldc DC power supply line Lvs video signal transmission line Lp power line (distribution line)

Claims (2)

    【特許請求の範囲】[Claims]
  1. 【請求項1】 所要の監視映像を撮影するカメラユニッ
    トと、前記カメラユニットにより撮影された監視映像の
    映像信号を符号化するエンコーダと、前記エンコーダに
    より符号化された映像信号をIP化して伝送するための
    TCP/IPパケットに変換するTCP/IP通信ユニ
    ットと、前記TCP/IP通信ユニットによりTCP/
    IPパケットに変換された伝送信号を変調する電力線通
    信モデムと、前記カメラユニット、エンコーダ、TCP
    /IP通信ユニットおよび電力線通信モデムに対しそれ
    ぞれDC電源を供給するために配電線等の電力線に接続
    される電源ユニットとを備え、前記電力線通信モデムに
    より変調された映像信号を前記電源ユニットのAC電源
    側に接続される電力線に重畳し、前記電力線を通信回線
    として電力線通信方式により監視映像の配信を行うよう
    構成したことを特徴とする電力線通信型IP監視カメ
    ラ。
    1. A camera unit for capturing a desired surveillance image, an encoder for encoding a video signal of the surveillance image captured by the camera unit, and an IP signal for transmission of the video signal encoded by the encoder. TCP / IP communication unit for converting into a TCP / IP packet for
    Power line communication modem for modulating a transmission signal converted into an IP packet, the camera unit, encoder, TCP
    / IP communication unit and a power supply unit connected to a power line such as a distribution line for supplying DC power to the power line communication modem, respectively, and the video signal modulated by the power line communication modem is an AC power source of the power supply unit. A power line communication type IP surveillance camera, characterized in that it is superposed on a power line connected to the side, and is configured to deliver a monitoring video by a power line communication system using the power line as a communication line.
  2. 【請求項2】 前記カメラユニットと、エンコーダと、
    TCP/IP通信ユニットと、電力線通信モデムと、電
    源ユニットとを一体的に構成し、前記電源ユニットにA
    C電源側の配電線に前記電力線通信モデムにより変調さ
    れた映像信号を重畳すると共に、前記配電線にプラグを
    設けて電力線のACコンセントに着脱可能に接続し得る
    よう構成したことを特徴とする請求項1記載の電力線通
    信型IP監視カメラ。
    2. The camera unit, an encoder,
    A TCP / IP communication unit, a power line communication modem, and a power supply unit are integrally formed, and the power supply unit has an A
    A video signal modulated by the power line communication modem is superimposed on a distribution line on the side of the C power source, and a plug is provided on the distribution line so that the distribution line can be detachably connected to an AC outlet of the power line. Item 1. A power line communication type IP surveillance camera according to item 1.
JP2001192721A 2001-06-26 2001-06-26 Power-line carrier communication ip monitor camera Withdrawn JP2003008962A (en)

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Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
JP2003008962A true JP2003008962A (en) 2003-01-10

Family

ID=19031135

Family Applications (1)

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Country Status (1)

Country Link
JP (1) JP2003008962A (en)

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JP2005328190A (en) * 2004-05-12 2005-11-24 Fuji Photo Film Co Ltd Surveillance camera
GB2415311A (en) * 2004-06-14 2005-12-21 Av Tech Corp Security monitoring system utilising power line communication
KR100699332B1 (en) 2005-08-22 2007-03-23 한전케이디엔 주식회사 Remote Control System Using PLC
KR100749331B1 (en) 2007-01-15 2007-08-14 대명제로원주식회사 Monitoring and controlling communication system for prison using plc
CN100439036C (en) * 2006-12-15 2008-12-03 西部金属材料股份有限公司 Process for preparing high-precision thick tungsten plate
GB2455604A (en) * 2007-12-13 2009-06-17 Acbel Polytech Inc Power line communication device with DC power output and network signal transmission abilities
KR101468782B1 (en) * 2012-12-27 2014-12-09 금오공과대학교 산학협력단 Method for reducing carbon dioxide and non-diaphragm reductor of carbon dioxide using the same
CN105516684A (en) * 2016-01-15 2016-04-20 南彦勃 Patrol inspection method for power transmission line of power grid
CN105516683A (en) * 2016-01-15 2016-04-20 南彦勃 Power transmission line patrolling method
CN105516685A (en) * 2016-01-15 2016-04-20 南彦勃 Patrol inspection method for power transmission line of power grid

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JP2005328190A (en) * 2004-05-12 2005-11-24 Fuji Photo Film Co Ltd Surveillance camera
GB2415311A (en) * 2004-06-14 2005-12-21 Av Tech Corp Security monitoring system utilising power line communication
KR100699332B1 (en) 2005-08-22 2007-03-23 한전케이디엔 주식회사 Remote Control System Using PLC
CN100439036C (en) * 2006-12-15 2008-12-03 西部金属材料股份有限公司 Process for preparing high-precision thick tungsten plate
KR100749331B1 (en) 2007-01-15 2007-08-14 대명제로원주식회사 Monitoring and controlling communication system for prison using plc
GB2455604A (en) * 2007-12-13 2009-06-17 Acbel Polytech Inc Power line communication device with DC power output and network signal transmission abilities
GB2455604B (en) * 2007-12-13 2010-04-14 Acbel Polytech Inc Power line communication device with DC power output and network signal transmission abilities
KR101468782B1 (en) * 2012-12-27 2014-12-09 금오공과대학교 산학협력단 Method for reducing carbon dioxide and non-diaphragm reductor of carbon dioxide using the same
CN105516684A (en) * 2016-01-15 2016-04-20 南彦勃 Patrol inspection method for power transmission line of power grid
CN105516683A (en) * 2016-01-15 2016-04-20 南彦勃 Power transmission line patrolling method
CN105516685A (en) * 2016-01-15 2016-04-20 南彦勃 Patrol inspection method for power transmission line of power grid

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