JPH01181343A - Wavelength split multiplex optical transmitter - Google Patents
Wavelength split multiplex optical transmitterInfo
- Publication number
- JPH01181343A JPH01181343A JP63006499A JP649988A JPH01181343A JP H01181343 A JPH01181343 A JP H01181343A JP 63006499 A JP63006499 A JP 63006499A JP 649988 A JP649988 A JP 649988A JP H01181343 A JPH01181343 A JP H01181343A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- power
- transmitter
- energy
- optical transmitter
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 78
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 239000013307 optical fiber Substances 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Communication System (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、光通信の波長分割多重光伝送装置に利用する
。特に、光送受信装置への給電方法に関するものである
。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention is applied to a wavelength division multiplexing optical transmission device for optical communication. In particular, it relates to a method of feeding power to an optical transmitter/receiver.
本発明は波長分割多重光伝送装置において、−本の光フ
ァイバを介して情報を多重伝送する複数の互いに波長の
異なる光エネルギのうちの一部を光送受信装置の給電の
ためのエネルギ伝送に用いることにより、
光送受信装置ごとに電源を設置する必要がなく装置の小
形化ができかつ停電対策も容易にできるようにしたもの
である。The present invention provides a wavelength division multiplexing optical transmission device in which a portion of a plurality of optical energies having different wavelengths for multiplexing information transmission through optical fibers is used for energy transmission for powering an optical transmitting/receiving device. This eliminates the need to install a power supply for each optical transmitter/receiver, allowing the device to be more compact and making it easier to deal with power outages.
第２図は従来例の波長分割多重光伝送装置のブロック構
成図である。FIG. 2 is a block diagram of a conventional wavelength division multiplexing optical transmission apparatus.
従来、波長分割多重光伝送装置は、第２図に一例を示す
ように、光送受信装置に対する給電は、個別の電源装置
によるか、銅線による給電線により行っていた。第２図
において、光送受信装置１、−２．３は各々光ファイバ
４．５で接続され、波長分割多重伝送方式の情報伝送を
行っている。光送受信装置１は電源装置７から給電され
、光送受信装置２は給電線９を介して、同じく電源装置
７から給電されている。また、光送受信装置３は専用に
電源装置８を持っている。Conventionally, in a wavelength division multiplexing optical transmission device, as an example shown in FIG. 2, power is supplied to the optical transmitter/receiver by an individual power supply device or by a power supply line made of copper wire. In FIG. 2, optical transmitter/receivers 1 and -2.3 are each connected by an optical fiber 4.5, and perform information transmission using a wavelength division multiplexing transmission system. The optical transmitting/receiving device 1 is supplied with power from a power supply device 7, and the optical transmitting/receiving device 2 is also supplied with power from the power supply device 7 via a power supply line 9. Further, the optical transmitting/receiving device 3 has a dedicated power supply device 8.
しかし、このような従来例の波長分割多重光伝送装置で
は、専用の電源装置７．８を光送受信装置１．３ごとに
必要とするために、光送受信装置が大形化する上、個々
に停電対策が必要な欠点が・ あった。However, in such a conventional wavelength division multiplexing optical transmission device, a dedicated power supply device 7.8 is required for each optical transmitter/receiver device 1.3, which increases the size of the optical transmitter/receiver device. There were drawbacks that required measures against power outages.
さらに、給電線９を介して集中的に電源装置を設置して
も給電線が導体であるために、情報伝送を光ファイバで
行っていても、無誘導性、避雷等の光通信の特長を生か
せない欠点もあった。Furthermore, even if a power supply device is installed centrally through the power supply line 9, the power supply line is a conductor, so even if information is transmitted using optical fiber, the features of optical communication such as non-induction and lightning protection can be maintained. There were some drawbacks that could not be exploited.
本発明は上記の欠点を解決するもので、光送受信装置ご
とに電源を設置する必要がなく装置の小形化ができかつ
停電対策も容易にできる波長分割多重光伝送装置を提供
することを目的とする。The present invention solves the above-mentioned drawbacks, and aims to provide a wavelength division multiplexing optical transmission device that does not require the installation of a power supply for each optical transmitter/receiver, which allows the device to be made smaller, and which can easily take measures against power outages. do.
本発明は、波長分割多重光伝送装置に右いて、複数の光
送受信装置の中央装置には、電源装置を備え、この電源
装置の出力電力を一部の波長の光エネルギに変換して上
記光ファイバに送出する手段とを含み、上記中央装置以
外の光送受信装置は、この手段の出力光エネルギを受信
して電力に変換しその電力を情報伝送用電力として供給
する手段を含むことを特徴とする。The present invention relates to a wavelength division multiplexing optical transmission device, in which a central device of a plurality of optical transmitting/receiving devices is provided with a power supply device, and the output power of the power supply device is converted into optical energy of some wavelengths to generate the above-mentioned light. an optical transmitter/receiver other than the central device includes means for receiving the output optical energy of the means, converting it into electric power, and supplying the electric power as information transmission power. do.
複数の光送受信装置の中央装置は、電源装置の電力を複
数の波長の異なる光エネルギの一部の波長の光エネルギ
に変換して伝送する。中央装置以外の光送受信装置は変
換する手段でこの先エネルギを受信し電力に変換しその
電力を情報伝送用電力として供給する。以上の動作によ
り光送受信装置ごとに電源を設置する必要がなく装置の
小形化ができかつ停電対策も容易にできる。A central device of a plurality of optical transmitting/receiving devices converts the power of a power supply device into optical energy of a part of a plurality of different wavelengths and transmits the converted optical energy. The optical transmitting/receiving devices other than the central device receive energy using converting means, convert it into electric power, and supply the electric power as power for information transmission. With the above operation, there is no need to install a power supply for each optical transmitter/receiver, the device can be made smaller, and measures against power outages can be easily taken.
本発明の実施例について図面を参照して説明する。第１
図は本発明一実施例波長分割多重光伝送装置のブロック
構成図である。第１図において、波長分割多重光伝送装
置は、複数の波長の異なる光エネルギを１本の光ファイ
バ４．５を介してそれぞれ相互に情報を多重伝送する光
送受信装置１〜３と、光送受信装置２．３にそれぞれ接
続されたセンサ１０．１１とを備える・。Embodiments of the present invention will be described with reference to the drawings. 1st
The figure is a block diagram of a wavelength division multiplexing optical transmission apparatus according to an embodiment of the present invention. In FIG. 1, the wavelength division multiplexing optical transmission device includes optical transmitting/receiving devices 1 to 3, each of which multiplexes and transmits information of a plurality of different wavelengths of optical energy to each other via one optical fiber 4. and a sensor 10.11 respectively connected to the device 2.3.
ここで本発明の特徴とするところは、中央装置である光
送受信装置１に、電源装置７と、電源装置７の出力電力
を一部の波長の光エネルギに変換して光ファイバ４．５
に送出する手段とを含み、中央装置以外の光送受信装置
２．３に、この送出する手段の出力光エネルギを受信し
て電力に変換しその電力を情報伝送用電力として供給す
る手段を含むことにある。Here, the features of the present invention are that the central optical transmitting/receiving device 1 includes a power supply device 7, and an optical fiber 4.5 that converts the output power of the power supply device 7 into optical energy of a part of the wavelength.
The optical transmitting/receiving device 2.3 other than the central device includes means for receiving the output optical energy of the transmitting means, converting it into electric power, and supplying the electric power as information transmission power. It is in.
このような構成の波長分割多重光伝送装置の動作につい
て説明する。第１図において、光送受信装置１は、中央
装置であり電源装置７により給電され、互いに異なる波
長λ１、λ２の光信号を波長分割多重して出力する。多
重された光信号は、光送受信装置２に対しては光ファイ
バ４を介して、光送受信装置３に対して（ネ光ファイバ
５を介して伝送される。ここで波長λ１の光信号には、
光送受信装置２のセンサ１０に対しデータ伝送要求を出
すディジタル信号を乗せ、波長λ２の光信号は、電源装
置７から供給されるエネルギの一部を光送受信装置２に
供給するために用いる。The operation of the wavelength division multiplexing optical transmission apparatus having such a configuration will be explained. In FIG. 1, an optical transmitting/receiving device 1 is a central device, is supplied with power by a power supply device 7, and outputs optical signals having different wavelengths λ1 and λ2 by wavelength division multiplexing. The multiplexed optical signal is transmitted to the optical transmitter/receiver 2 via the optical fiber 4, and to the optical transmitter/receiver 3 (via the optical fiber 5. ,
A digital signal issuing a data transmission request to the sensor 10 of the optical transmitting/receiving device 2 is carried, and the optical signal of wavelength λ2 is used to supply a part of the energy supplied from the power supply device 7 to the optical transmitting/receiving device 2.
光送受信装置２は、波長λ２の光信号により給電され、
波長λ１の伝送要求を受けてセンサ１０の測定データを
波長λ３の光信号を用い、光ファイバ４を介して光送受
信装置１に送出する。The optical transmitter/receiver 2 is powered by an optical signal of wavelength λ2,
In response to a request for transmission of wavelength λ1, measurement data of sensor 10 is sent to optical transmitter/receiver 1 via optical fiber 4 using an optical signal of wavelength λ3.
光送受信装置３についても、伝送路が光ファイバ５であ
る以外は上述の光送受信装置２と同様の動作を行い、セ
ンサ１１の測定データを光送受信装置１に送出する。こ
のとき、光ファイバ４．５を伝搬する光信号の波長は、
別々でも同一でもよい。The optical transmitter/receiver 3 also operates in the same manner as the optical transmitter/receiver 2 described above, except that the transmission path is the optical fiber 5, and sends the measurement data of the sensor 11 to the optical transmitter/receiver 1. At this time, the wavelength of the optical signal propagating through the optical fiber 4.5 is
They may be different or the same.
電力を光信号に変換する手段として半導体レーデなどが
用いられ、光信号を電力に変換する手段として光電池な
どがある。A semiconductor radar or the like is used as a means for converting electric power into an optical signal, and a photovoltaic cell or the like is used as a means for converting an optical signal into electric power.
以上説明したように、本発明は、光送受信装置ごとに電
源を設置する必要がなく、装置の小形化が可能で停電対
策も容易にできる優れた効果がある。As explained above, the present invention has the excellent effect that it is not necessary to install a power supply for each optical transmitting/receiving device, the device can be made smaller, and power outage countermeasures can be easily taken.
また、給電線を設置する必要がなく、光ファイバの無誘
導性および避雷等の特長を十分生かせる利点がある。In addition, there is no need to install a power supply line, and the advantages of optical fiber such as non-induction and lightning protection can be fully utilized.
第１図は本発明一実施例波長分割多重光伝送装置のブロ
ック構成図。
第２図は従来例の波長分割多重光伝送装置のブロック構
成図。
１．２．３・・・光送受信装置、４．５・・・光ファイ
バ、７．８・・・電源装置、９・・・給電線、１０．１
１・・・センサ。
第１図FIG. 1 is a block diagram of a wavelength division multiplexing optical transmission apparatus according to an embodiment of the present invention. FIG. 2 is a block diagram of a conventional wavelength division multiplexing optical transmission device. 1.2.3... Optical transmitting/receiving device, 4.5... Optical fiber, 7.8... Power supply device, 9... Power supply line, 10.1
1...Sensor. Figure 1
Claims (1)
を介して相互に情報を多重伝送する複数の光送受信装置
を備えた波長分割多重光伝送装置において、 上記複数の光送受信装置の中央装置には、 電源装置と、 この電源装置の出力電力を一部の波長の光エネルギに変
換して上記光ファイバに送出する手段とを含み、 上記中央装置以外の光送受信装置は、この手段の出力光
エネルギを受信して電力に変換しその電力を情報伝送用
電力として供給する手段を含むことを特徴とする波長分
割多重光伝送装置。[Claims] 1. In a wavelength division multiplexing optical transmission device comprising a plurality of optical transmitting and receiving devices that mutually multiplex transmit information using a plurality of different wavelengths of optical energy through a single optical fiber, The central device of the optical transceiver device includes a power supply device and a means for converting the output power of the power device into optical energy of a certain wavelength and sends it to the optical fiber, and the optical transceiver device other than the central device A wavelength division multiplexing optical transmission apparatus comprising means for receiving the output optical energy of the means, converting it into electric power, and supplying the electric power as power for information transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63006499A JPH01181343A (en) | 1988-01-14 | 1988-01-14 | Wavelength split multiplex optical transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63006499A JPH01181343A (en) | 1988-01-14 | 1988-01-14 | Wavelength split multiplex optical transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01181343A true JPH01181343A (en) | 1989-07-19 |
Family
ID=11640138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63006499A Pending JPH01181343A (en) | 1988-01-14 | 1988-01-14 | Wavelength split multiplex optical transmitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01181343A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013001570A1 (en) * | 2011-06-29 | 2013-01-03 | 株式会社日立製作所 | Apparatus and system for supplying optical energy |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58147250A (en) * | 1982-02-26 | 1983-09-02 | Nec Corp | Repeating system of optical fiber |
| JPS61269435A (en) * | 1985-05-24 | 1986-11-28 | Nec Corp | Power supply method in data communication system |
-
1988
- 1988-01-14 JP JP63006499A patent/JPH01181343A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58147250A (en) * | 1982-02-26 | 1983-09-02 | Nec Corp | Repeating system of optical fiber |
| JPS61269435A (en) * | 1985-05-24 | 1986-11-28 | Nec Corp | Power supply method in data communication system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013001570A1 (en) * | 2011-06-29 | 2013-01-03 | 株式会社日立製作所 | Apparatus and system for supplying optical energy |
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