JPS59216366A - Terminal feeding system - Google Patents
Terminal feeding systemInfo
- Publication number
- JPS59216366A JPS59216366A JP58090935A JP9093583A JPS59216366A JP S59216366 A JPS59216366 A JP S59216366A JP 58090935 A JP58090935 A JP 58090935A JP 9093583 A JP9093583 A JP 9093583A JP S59216366 A JPS59216366 A JP S59216366A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- signal
- optical
- exchange
- storage battery
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Optical Communication System (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は端末給電方式に関し、特に光ネットワークにお
ける端末給電方式に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a terminal power feeding system, and particularly to a terminal power feeding system in an optical network.
従来の一般的端末給電は端末が発呼または応答したとき
該端末と交換機側電源供給回路との直流ループが形成さ
れ、該電源供給回路から直流電源を供給するか、あるい
は端末側に局部電源（商用電源からの整流装置または蓄
電池）を備えるかの方式により行われている。In conventional general terminal power supply, when a terminal makes or answers a call, a DC loop is formed between the terminal and the power supply circuit on the exchange side, and DC power is supplied from the power supply circuit, or a local power supply ( This is done using a method that includes a rectifier or storage battery that connects to a commercial power source.
しかるにこれらの方５式では、前者の場合はある一定の
基準電位の直流電流を供給するため光ケーブルとは別の
給電線が必要になるという欠点があった。また後者の場
合は商用電源の障害時には端末の電源断となり、または
蓄電池は消耗により適宜交換せねばならないという欠点
があった。However, these five methods have the disadvantage that, in the former case, a power supply line separate from the optical cable is required in order to supply a direct current of a certain reference potential. Furthermore, in the latter case, there are disadvantages in that the power to the terminal is cut off in the event of a failure of the commercial power source, or the storage battery must be replaced as appropriate due to wear.
本発明の目的は、端末側に備えた蓄電池を該端末からの
要求信号に応じて交換機側から光ケーブルを介し吻充電
することにより上記欠点を除去し、端末への効率的給電
を可能とした端末給電方式を提供することにある。An object of the present invention is to eliminate the above-mentioned drawbacks by charging a storage battery provided on the terminal side from the exchange side via an optical cable in response to a request signal from the terminal, and to provide a terminal that enables efficient power supply to the terminal. The purpose is to provide a power supply method.
本発明による端末給電方式は、交換機から光ケーブルを
介して端末へ給電する端末給電方式において、前記端末
は前記交換機へのエネルギー供給要求手段と、該交換機
からの供給エネルギーを検出し蓄電池を充電する受電手
段とを備え、前記交換機は前記エネルギー供給要求手段
から要求信号を受信したとき前記端末へ給電を行うよう
になすことを特徴とする。また、エネルギー供給要求手
段は定期的におよび蓄電池の蓄電量が所定の閾値に達し
たときのいずれかのとき要求信号を発するようになすこ
とを特徴とする。A terminal power supply system according to the present invention is a terminal power supply system in which power is supplied from an exchange to a terminal via an optical cable, in which the terminal includes means for requesting energy supply to the exchange, and a power receiving system that detects energy supplied from the exchange and charges a storage battery. means, wherein the exchange supplies power to the terminal when receiving a request signal from the energy supply requesting means. Further, the energy supply requesting means is characterized in that it issues a request signal either periodically or when the amount of electricity stored in the storage battery reaches a predetermined threshold value.
次に図面を参照して本発明について説明する。Next, the present invention will be explained with reference to the drawings.
図は本発明の端末給電方式の一実施例を示すブロック図
である。同図において光ネットワークは電子端末（以下
ＴＥＲＭ）１．！：、該ＴＥＦＬＭｌト光ファイバＦｏ
、Ｆ１により接続される交換機（以下ＥＳＳ ）２とか
ら成る。前記ＴＦＩＭ＋は蓄電池（以下ＤＡＴ）１０と
、該ＤＡＴｌ Ｏの蓄電量を監視しこれが低下して所定
の閾値に達したときエネルギー供給要求（電気信号）を
出力する充電要求回路（以下ＲＥＱ）ｌ ｌと、定期的
にまたは前記Ｒ，ＥＱＩＩ出力により給電要求信号（デ
ィジタルコード）の送出制御を行うほか前記ＥＳＳ２と
の一般的な接続シーケンス制御を行う端末制御部（以下
ＣＴＬ）１２と、該ＣＴＬ１２とそれぞれ直流阻止用コ
ンデンサ（以下Ｃ８，Ｃ１）を介して接続され電気・光
信号変換を行う電気／光変換器（以下Ｅ１０）１３．光
／電気変換器（以下０／Ｅ ） ｌ ４と、該０／Ｅｌ
４出力の電気信号から直流成分を検出し前記ＢＡＴＩ
Ｏに充電電流を供給する給電検出回路（以下ＰＤＴ）１
５とから成り、一方前記ＥＳＳ２は前記光ファイバＦｏ
。The figure is a block diagram showing an embodiment of the terminal power feeding system of the present invention. In the figure, the optical network consists of electronic terminals (hereinafter referred to as TERM) 1. ! :, the TEFLMlto optical fiber Fo
, and an exchange (hereinafter referred to as ESS) 2 connected by F1. The TFIM+ includes a storage battery (hereinafter referred to as DAT) 10 and a charging request circuit (hereinafter referred to as REQ) which monitors the amount of electricity stored in the DAT10 and outputs an energy supply request (electrical signal) when this decreases and reaches a predetermined threshold value. and a terminal control unit (hereinafter referred to as CTL) 12 which controls the transmission of a power supply request signal (digital code) periodically or by the R, EQII output, and also controls the general connection sequence with the ESS 2; Electrical/optical converters (hereinafter referred to as E10) that are connected via DC blocking capacitors (hereinafter referred to as C8 and C1) and convert electrical and optical signals (hereinafter referred to as E10) 13. Optical/electrical converter (hereinafter referred to as 0/E) l4 and the 0/El
The DC component is detected from the electrical signal of 4 outputs and the BATI
Power supply detection circuit (hereinafter referred to as PDT) 1 that supplies charging current to O
5, while the ESS2 is connected to the optical fiber Fo.
.
Ｆ□を介してそれぞれ前記Ｅ１０１３ 、０／Ｅ１４と
対向接続されるＯ／Ｅ２０ 、Ｅ１０２１と、該０／Ｅ
２０ 、 Ｅｌｏｚ １とそれぞれ直流阻止用ココデン
サ（以下Ｃ２１０３）を介して接続され前記ＴＦＪ、Ｍ
１との間で信号の送受信を行う信号送受信回路（以下
ＬＩＣ）２２と、該Ｌ Ｉ Ｃ２２からのエネルギー供
給指示により前記Ｅ１０２１へ直流電停を供給する給電
回路（以下ＰＦＵ）２３を備える。O/E20 and E1021 are connected oppositely to the E1013 and 0/E14, respectively, via F□, and the 0/E
20, Eloz 1 and the TFJ, M
1, and a power supply circuit (hereinafter referred to as PFU) 23 that supplies a DC power outage to the E1021 in response to an energy supply instruction from the LIC 22.
続いて本実施例の動作について説明する。ＣＴＬ１２は
定期的に、あるいはＲＥＱＩＩがＢ Ａ Ｔ １０の蓄
電量を監視し所定の閾値よりの低下を検知してエネルギ
ー供給要求（電気信号）を出力したとき給電要求信号（
ディジタルコード）をＣ８を介してＥ１０１３へ送出す
る。該Ｅ１０１３はこれを光信号に変換して光ファイバ
Ｆｏを介してＥＳＳ２へ送出する。該ＥＳＳ２では前記
光信号をＯ／Ｅ２０で愛惜して電気信号に変換しＣ２を
介してＬＩＣ２２に送シ、該ＬＩＣ２２はＰＦ’Ｕ２３
にエネルギー供給指示を行う。該ＰＦＵ２３が該指示に
基づきＥ１０２１に直流電流を供給するので該Ｅ１０２
１で変換ビた光信号は光ケーブルＦ１を介してＴＨ几Ｍ
ｌへ送信される。該’Ｉ”ＢＩ（、ＭｌではＰＤＴ１５
が０／Ｅ１４出力の電気信号から直流成分を検出し前記
ＢＡＴＩＯに充電電流を供給する。なお、前記−Ｅ１０
２１による電気・光信号変換は入力の直流電圧と出力の
光強度とが比例するような変換則に従うものである。前
記ＤＡＴｌＯの充電が完了したとき前記ＣＴＬ１２は前
記給電要求信号の送出を停止するので前記ＥＳＳ２から
の給電も停止する。Next, the operation of this embodiment will be explained. The CTL 12 outputs a power supply request signal (electrical signal) periodically or when REQII monitors the amount of stored electricity in the BAT 10 and detects a decrease below a predetermined threshold and outputs an energy supply request (electrical signal).
digital code) is sent to E1013 via C8. The E1013 converts this into an optical signal and sends it to the ESS2 via the optical fiber Fo. In the ESS2, the optical signal is converted into an electrical signal by the O/E20 and sent to the LIC22 via the C2, and the LIC22 receives the PF'U23.
gives energy supply instructions to Since the PFU 23 supplies DC current to the E1021 based on the instruction, the E102
The optical signal converted in step 1 is sent to THM via optical cable F1.
sent to l. 'I'BI(,PDT15 in Ml
detects a DC component from the electrical signal of the 0/E14 output and supplies charging current to the BATIO. In addition, -E10
The electrical/optical signal conversion by 21 follows a conversion law such that the input DC voltage is proportional to the output light intensity. When charging of the DATIO is completed, the CTL 12 stops sending out the power supply request signal, and therefore the power supply from the ESS 2 is also stopped.
以上説明したように本発明の端末給電方式によれば、交
換機側から光ケーブルを介して効率的に給電するので電
子化に対応した端末側の蓄電池の自動充電が行われると
いう効果が生じる。従って端末側で商用電源の準備上よ
び蓄電池の交換が不要となり、また端末と交換機間に光
ケーブルとは別の給電線が不要になるという効果が生じ
る。As explained above, according to the terminal power feeding system of the present invention, since power is efficiently fed from the exchange side via the optical cable, there is an effect that the storage battery on the terminal side that is compatible with computerization is automatically charged. Therefore, there is no need to prepare a commercial power supply or replace a storage battery on the terminal side, and there is also no need for a power supply line other than the optical cable between the terminal and the exchange.
図は本発明の端末給電方式の一実施例を示すブロック図
である。
図において、ｌ・・・・・・電子端末ＴＥ１１．Ｍ１２
・・・・・・交換機ＦＪＳＳ％ ｉｏ・旧・・蓄電池Ｂ
ＡＴ、１１・旧・・充電要求回路ＲＥＱ、１２・・・・
・・端末制御部ＣＴＬ。
１３ 、２１ ・・−・・電気／光変換ｎ１−ｇ ７ｏ
、 ｌ ４ 、２０・・・・・・光／電気変換ＭＯ／
Ｅｓ ” ”・・・・・・給電検出回路ＰＤＴ、２
２・・印・信号送受信回路ＬＩＣ，２３・・・・・・給
電回路ＰＦＵ。
代理人 弁理士 内 原 晋（The figure is a block diagram showing an embodiment of the terminal power feeding system of the present invention. In the figure, l...electronic terminal TE11. M12
・・・・・・Exchange FJSS% io・Old・Storage battery B
AT, 11・old・Charge request circuit REQ, 12・・・・
...Terminal control unit CTL. 13 , 21 ・・・Electric/optical conversion n1-g 7o
, l 4 , 20... Optical/electrical conversion MO/
Es ” ”...Power supply detection circuit PDT, 2
2... Signal transmitting/receiving circuit LIC, 23... Power supply circuit PFU. Agent: Susumu Uchihara, patent attorney
Claims (1)
る端末給電方式において、前記端末は前記交換機へのエ
ネルギー供給要求手段と、該交換機からの供給エネルギ
ーを検出し蓄電池を充電する受電手段とを備え、前記交
換機は前記エネルギー供給要求手段から要求信号を受信
したとき前記端末へ給電を行うようになすことを特徴と
する端末給電方式。 （２、特許請求の範囲第（１）項記載の端末給電方式に
おいて、エネルギー供給要求手段は定期的におよび蓄電
池の蓄電量、が所定の閾値に達したときのいずれかのと
き要求信号を発するようになすことを特徴とする端末給
電方式。(1) In a terminal power supply system in which power is supplied from an exchange to a terminal via an optical cable, the terminal includes means for requesting energy supply to the exchange, and power receiving means for detecting energy supplied from the exchange and charging a storage battery, A terminal power supply system characterized in that the exchange supplies power to the terminal when receiving a request signal from the energy supply requesting means. (2. In the terminal power feeding system described in claim (1), the energy supply requesting means issues a request signal either periodically or when the amount of electricity stored in the storage battery reaches a predetermined threshold value. A terminal power supply method that is characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58090935A JPS59216366A (en) | 1983-05-24 | 1983-05-24 | Terminal feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58090935A JPS59216366A (en) | 1983-05-24 | 1983-05-24 | Terminal feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59216366A true JPS59216366A (en) | 1984-12-06 |
Family
ID=14012302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58090935A Pending JPS59216366A (en) | 1983-05-24 | 1983-05-24 | Terminal feeding system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59216366A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019029684A (en) * | 2017-07-25 | 2019-02-21 | Ｎｅｃプラットフォームズ株式会社 | Network connection device and network connection device power feeding method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5636245A (en) * | 1979-08-31 | 1981-04-09 | Fujitsu Ltd | Optical power feeding system |
-
1983
- 1983-05-24 JP JP58090935A patent/JPS59216366A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5636245A (en) * | 1979-08-31 | 1981-04-09 | Fujitsu Ltd | Optical power feeding system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019029684A (en) * | 2017-07-25 | 2019-02-21 | Ｎｅｃプラットフォームズ株式会社 | Network connection device and network connection device power feeding method |
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