JP2016025537A - Optical communication system - Google Patents

Optical communication system Download PDF

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JP2016025537A
JP2016025537A JP2014149321A JP2014149321A JP2016025537A JP 2016025537 A JP2016025537 A JP 2016025537A JP 2014149321 A JP2014149321 A JP 2014149321A JP 2014149321 A JP2014149321 A JP 2014149321A JP 2016025537 A JP2016025537 A JP 2016025537A
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optical
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communication system
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利仁 曽根
Toshihito Sone
利仁 曽根
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Abstract

PROBLEM TO BE SOLVED: To provide an optical communication system which requires no shutter for an optical connector, connects two apparatuses in the same configuration through an electrical optical cable, makes both the apparatuses detect a counterpart and an electrically conducting state to transmit optical signals and, even when either one of the connectors becomes dislodged, eliminates concerns of external leakage of optical signals.SOLUTION: The optical communication system includes: a power supply section 30; means connected with a counterpart apparatus 2 through an optical cable 1 having an optical fiber 11 and a conducting wire 12; means for detecting power supply from the power supply section 30 of the counterpart apparatus 2; and means for controlling transmission of optical signals to the optical fiber 11.SELECTED DRAWING: Figure 1

Description

本発明は、光通信システムに関する。   The present invention relates to an optical communication system.

従来、光通信システムが知られている。例えば、特開２００１−１８５７８３号公報に記載の技術は、光コネクタにシャッターを必要とせずに、電気光ケーブルで接続された二つの装置の一方が他方と電気的導通状態を検出して光信号を送出し、他方が該光信号の受信を検出して光信号を送出する技術が開示されている。例えば、特開２００４−３５０１５５号公報に記載の技術は、抵抗値を検出するモニタを用いて相手側装置の接続、未接続を検出する技術が開示されている。   Conventionally, an optical communication system is known. For example, in the technique described in Japanese Patent Application Laid-Open No. 2001-185883, an optical connector does not require a shutter, and one of two devices connected by an electric optical cable detects an electrical continuity state with the other and outputs an optical signal. A technique is disclosed in which an optical signal is transmitted while the other detects the reception of the optical signal and transmits the optical signal. For example, a technique described in Japanese Patent Application Laid-Open No. 2004-350155 discloses a technique for detecting connection / non-connection of a counterpart device using a monitor that detects a resistance value.

特開２００１−１８５７８３号公報JP 2001-185783 A 特開２００４−３５０１５５号公報JP 2004-350155 A

ところで、上記従来の光通信システムは、光コネクタにシャッターを必要とせず、二つの同一構成の装置を電気光ケーブルで接続し、装置の双方が相手方と電気的導通状態を検出して光信号を送出し、どちら側のコネクタが外れた場合であっても光信号の外部漏洩の心配を無くす発明に到達していないと言った問題があった。また、モニタを用いて相手側装置の接続、未接続を検出する方式の場合に、短絡状態を単独で検出し短絡警報を出すことができないと言った問題があった。   By the way, the above-mentioned conventional optical communication system does not require a shutter for the optical connector, two devices having the same configuration are connected by an electric optical cable, and both devices detect an electrical conduction state with the other party and send out an optical signal. However, there has been a problem that no invention has been reached which eliminates the concern of external leakage of optical signals even when the connector on either side is disconnected. In addition, in the case of a method of detecting connection / non-connection of the counterpart device using a monitor, there is a problem that a short-circuit state cannot be detected independently and a short-circuit alarm cannot be issued.

そこで、本発明の目的は、光コネクタにシャッターを必要とせず、二つの同一構成の装置を電気光ケーブルで接続し、装置の双方が相手方と電気的導通状態を検出して光信号を送出し、どちら側のコネクタが外れた場合であっても光信号の外部漏洩の心配を無くす光通信システムを提供することにある。また、モニタを用いて相手側装置の接続、未接続を検出する方式の場合に、短絡状態を単独で検出することができる光通信システムを提供することにある。   Therefore, the object of the present invention is that an optical connector does not require a shutter, two devices having the same configuration are connected by an electro-optical cable, both devices detect an electrical continuity with the other party, and send an optical signal. An object of the present invention is to provide an optical communication system that eliminates the fear of external leakage of an optical signal regardless of which side of the connector is disconnected. Another object of the present invention is to provide an optical communication system that can detect a short-circuit state independently in the case of using a monitor to detect connection / non-connection of a counterpart device.

上記課題を解決するため本発明の光通信システムにおいて、光伝送路（１１）および導線（１２）を備えた光ケーブル（１）で二つの装置（２）間を接続し、前記装置（２）の夫々は、モニタ（５２）により相手側の未接続、接続、短絡の各状態を検出する手段と、該状態により、前記光伝送路（１１）への光信号の送出を制御する手段と、該短絡の検出により、短絡を警報する手段を備えることを特徴とする。   In order to solve the above problems, in the optical communication system of the present invention, an optical cable (1) having an optical transmission line (11) and a conducting wire (12) is connected between two devices (2). Each of the means for detecting unconnected, connected, and short-circuited states of the other party by the monitor (52), means for controlling transmission of an optical signal to the optical transmission line (11) according to the state, A means for alarming a short circuit by detecting a short circuit is provided.

本発明によれば、光通信システムは、光コネクタにシャッターを必要とせず、二つの同一構成の装置を電気光ケーブルで接続し、装置の双方が相手方と電気的導通状態を検出して光信号を送出し、どちら側のコネクタが外れた場合であっても光信号の外部漏洩の心配を無くすことができる。また、モニタを用いて相手側装置の接続、未接続を検出する方式の場合に、短絡状態を単独で検出することができる。   According to the present invention, an optical communication system does not require a shutter for an optical connector, and two identically configured devices are connected by an electro-optical cable, and both devices detect an electrical continuity state with the other party and transmit an optical signal. It is possible to eliminate the fear of external leakage of the optical signal regardless of which side connector is disconnected. Further, in the case of a method of detecting connection / non-connection of the counterpart device using a monitor, it is possible to detect a short-circuit state independently.

実施形態の光通信システムの構成図の一例である。It is an example of the block diagram of the optical communication system of embodiment. 実施形態の光通信システムの構成図の一例である。It is an example of the block diagram of the optical communication system of embodiment. 実施形態の光通信システムの構成図の一例である。It is an example of the block diagram of the optical communication system of embodiment.

以下、本発明の一実施の形態について詳細に説明する。   Hereinafter, an embodiment of the present invention will be described in detail.

図１は実施形態の光通信システムの構成図の一例である。例えば、図１の光通信システムは、二つの装置２が光ケーブル１によって接続され構成される。また、（ａ）光ケーブル１が光ファイバ１１および導線１２から構成され、光ケーブル１の両端末にコネクタ１０を備え、コネクタ１０を構成するスリーブ部１０４の中に光ファイバ１１を支持した光ファイバ支持部１０５を内装し、スリーブ部１０４の外周部に端子部１０１〜１０３を備え、導線１２を介して、端子部１０１が反対側の端子部１０２と接続され、端子部１０２が反対側の端子部１０１と接続され、端子部１０３が反対側の端子部１０３と接続される。   FIG. 1 is an example of a configuration diagram of an optical communication system according to an embodiment. For example, the optical communication system of FIG. 1 includes two devices 2 connected by an optical cable 1. (A) The optical cable 1 is composed of an optical fiber 11 and a conducting wire 12, the connector 10 is provided at both ends of the optical cable 1, and the optical fiber 11 is supported in the sleeve portion 104 constituting the connector 10. 105 is provided, terminal portions 101 to 103 are provided on the outer peripheral portion of the sleeve portion 104, the terminal portion 101 is connected to the opposite terminal portion 102 via the conductive wire 12, and the terminal portion 102 is connected to the opposite terminal portion 101. And the terminal portion 103 is connected to the terminal portion 103 on the opposite side.

また、（ｂ）光ケーブル１により双方の装置２が接続され、装置２がコネクタ受け２０、電源部３０、プルアップ抵抗４０、インバータ５０、通信部６０および送受光部７０を備え、コネクタ受け２０がコネクタ１０の端子部１０１〜１０３のそれぞれと接触する第１〜第３の通電部を備え、送受光部７０の先端部をコネクタ１０のスリーブ部１０４内に挿入させて送受光部７０をコネクタ１０の光ファイバ支持部１０５の光ファイバ１１と接続させ、コネクタ１０の端子部１０１に接触した第１の通電部が論理回路のＮＯＴゲートを構成するインバータ５０の入力側に接続され、該入力側がプルアップ抵抗４０を介して電源部３０のプラスの電位側に接続され、インバータ５０の出力側が通信部６０の入力側に接続され、通信部６０の出力側が送受光部７０に接続され、コネクタ１０の端子部１０２に接触した第２の通電部、コネクタ１０の端子部１０３に接触した第３の通電部および電源部３０の接地の電位側が装置２にフレーム接続（フレーム接地）されている。   (B) Both devices 2 are connected by an optical cable 1, and the device 2 includes a connector receiver 20, a power supply unit 30, a pull-up resistor 40, an inverter 50, a communication unit 60, and a light transmitting / receiving unit 70. First to third current-carrying portions that are in contact with the terminal portions 101 to 103 of the connector 10 are provided, and the distal end portion of the light transmitting / receiving portion 70 is inserted into the sleeve portion 104 of the connector 10 so that the light transmitting / receiving portion 70 is connected to the connector 10. The first energizing part connected to the optical fiber 11 of the optical fiber support part 105 and contacting the terminal part 101 of the connector 10 is connected to the input side of the inverter 50 constituting the NOT gate of the logic circuit, and the input side is pulled. Connected to the positive potential side of the power supply unit 30 via the up resistor 40, the output side of the inverter 50 is connected to the input side of the communication unit 60, and the output of the communication unit 60 Is connected to the light transmitting / receiving unit 70, the second energizing unit contacting the terminal unit 102 of the connector 10, the third energizing unit contacting the terminal unit 103 of the connector 10, and the ground potential side of the power supply unit 30 are connected to the device 2. Frame connection (frame grounding).

また、（ｃ）光ケーブル１により双方の装置２が接続されると、双方の装置２のフレーム接続が光ケーブル１の導線１２を介して導通状態となり、インバータ５０の入力側がフレーム接続され、インバータ５０の出力側が“Ｈｉ”状態となり、通信部６０が制御されて送受光部７０から光信号が光ファイバ１１に送出される。   (C) When both devices 2 are connected by the optical cable 1, the frame connection of both devices 2 becomes conductive through the conducting wire 12 of the optical cable 1, and the input side of the inverter 50 is frame-connected. The output side is in the “Hi” state, the communication unit 60 is controlled, and an optical signal is transmitted from the light transmitting / receiving unit 70 to the optical fiber 11.

図１の装置２は、光ケーブル１の導線１２を介して相手方の装置２が接続されていない場合に、インバータ５０の出力側が“Ｌｏｗ”状態となり、通信部６０が制御されて送受光部７０から光信号が光ファイバ１１に送出されることがない。
図１のコネクタ受け２０は、コネクタ１０の端子部１０２と端子部１０３を導通状態とする構成としてもよい。インバータ５０はオープンコレクタ、オープンドレイン設計などであり、入力信号の揺らぎ（ノイズ）を除去するシュミットトリガ回路を備えることが望ましい。 In the apparatus 2 of FIG. 1, when the counterpart apparatus 2 is not connected via the conducting wire 12 of the optical cable 1, the output side of the inverter 50 is in the “Low” state, and the communication unit 60 is controlled to An optical signal is not sent to the optical fiber 11.
The connector receiver 20 in FIG. 1 may have a configuration in which the terminal portion 102 and the terminal portion 103 of the connector 10 are in a conductive state. The inverter 50 has an open collector or open drain design, and preferably includes a Schmitt trigger circuit that removes fluctuation (noise) of the input signal.

図２は実施形態の光通信システムの構成図の一例である。例えば、図２の光通信システムは、二つの装置２が光ケーブル１によって接続され構成される。また、（ｄ）光ケーブル１である。   FIG. 2 is an example of a configuration diagram of the optical communication system according to the embodiment. For example, the optical communication system of FIG. 2 includes two devices 2 connected by an optical cable 1. Further, (d) the optical cable 1 is provided.

また、（ｅ）光ケーブル１により双方の装置２が接続され、装置２がコネクタ受け２０、電源部３０、プルアップ抵抗４１、電流制限抵抗４２、フォトカプラ５１、通信部６１および送受光部７０を備え、コネクタ受け２０がコネクタ１０の端子部１０１〜１０３のそれぞれと接触する第１〜第３の通電部を備え、送受光部７０の先端部をコネクタ１０のスリーブ部１０４内に挿入させて送受光部７０をコネクタ１０の光ファイバ支持部１０５の光ファイバ１１と接続させ、コネクタ１０の端子部１０１に接触した第１の通電部が電流制限抵抗４２を介して電源部３０のプラスの電位側に接続され、コネクタ１０の端子部１０２に接触した第２の通電部がフォトカプラ５１の発光ダイオードＤのアノードに接続され、コネクタ１０の端子部１０３に接触した第３の通電部、該発光ダイオードＤのカソード、フォトカプラ５１のフォトトランジスタＴのエミッタおよび電源部３０の接地の電位側が装置２にフレーム接続（フレーム接地）され、該フォトトランジスタＴのコレクタが通信部６１に接続され、該コレクタがプルアップ抵抗４１を介して電源部３０のプラスの電位側に接続されている。また、フォトカプラ５１をリレー回路に置換えてもよい。   (E) Both devices 2 are connected by an optical cable 1, and the device 2 includes a connector receiver 20, a power supply unit 30, a pull-up resistor 41, a current limiting resistor 42, a photocoupler 51, a communication unit 61, and a light transmitting / receiving unit 70. Provided, the connector receiver 20 includes first to third current-carrying portions that come into contact with the terminal portions 101 to 103 of the connector 10, and the distal end portion of the light transmitting / receiving portion 70 is inserted into the sleeve portion 104 of the connector 10 to send The light receiving unit 70 is connected to the optical fiber 11 of the optical fiber support unit 105 of the connector 10, and the first energization unit that contacts the terminal unit 101 of the connector 10 is connected to the positive potential side of the power supply unit 30 via the current limiting resistor 42. Is connected to the anode of the light-emitting diode D of the photocoupler 51, and is connected to the terminal portion 1 of the connector 10. 3 is connected to the device 2 in a frame connection (frame ground), the third current-carrying part in contact with 3, the cathode of the light-emitting diode D, the emitter of the phototransistor T of the photocoupler 51, and the ground side of the power supply unit 30. Are connected to the communication unit 61, and the collector is connected to the positive potential side of the power supply unit 30 via the pull-up resistor 41. Further, the photocoupler 51 may be replaced with a relay circuit.

また、（ｆ）光ケーブル１により双方の装置２が接続されると、双方の装置２のフレーム接続が光ケーブル１の導線１２を介して導通状態となり、双方の装置２でフォトカプラ５１のアノードが相手方の装置２の電流制限抵抗４２を介して該装置２の電源部３０のプラスの電位側に接続されてフォトカプラ５１の発光ダイオードＤの発光回路が形成され、該発光ダイオードＤが発光して、それを該フォトカプラ５１のフォトトランジスタＴが受光し、該フォトトランジスタＴのコレクタ−エミッタ間が導通して、通信部６１が制御されて送受光部７０から光信号が光ファイバ１１に送出される。   (F) When both devices 2 are connected by the optical cable 1, the frame connection of both devices 2 becomes conductive through the conducting wire 12 of the optical cable 1, and the anode of the photocoupler 51 is connected to the other device in both devices 2. The light emitting diode D of the photocoupler 51 is formed by being connected to the positive potential side of the power supply unit 30 of the device 2 through the current limiting resistor 42 of the device 2, and the light emitting diode D emits light, The phototransistor T of the photocoupler 51 receives the light, the collector-emitter of the phototransistor T becomes conductive, the communication unit 61 is controlled, and an optical signal is sent from the light transmitting / receiving unit 70 to the optical fiber 11. .

図２の装置２は、光ケーブル１の導線１２を介して相手方の装置２が接続されていない場合に、フォトカプラ５１のフォトトランジスタＴのコレクタ−エミッタ間がオープン状態となっており、通信部６１が制御されて送受光部７０から光信号が光ファイバ１１に送出されることがない。   In the device 2 of FIG. 2, when the counterpart device 2 is not connected via the conducting wire 12 of the optical cable 1, the collector-emitter of the phototransistor T of the photocoupler 51 is in an open state, and the communication unit 61 Is controlled so that an optical signal is not sent from the light transmitting / receiving unit 70 to the optical fiber 11.

図３は実施形態の光通信システムの構成図の一例である。例えば、図３の光通信システムは、二つの装置２が光ケーブル１によって接続され構成される。また、（ｇ）光ケーブル１である。   FIG. 3 is an example of a configuration diagram of the optical communication system according to the embodiment. For example, the optical communication system of FIG. 3 includes two devices 2 connected by an optical cable 1. Further, (g) the optical cable 1 is provided.

また、（ｈ）光ケーブル１により双方の装置２が接続され、装置２がコネクタ受け２０、抵抗値４３、４４、モニタ５２、通信部６０および送受光部７０を備え、コネクタ受け２０がコネクタ１０の端子部１０１〜１０３のそれぞれと接触する第１〜第３の通電部を備え、送受光部７０の先端部をコネクタ１０のスリーブ部１０４内に挿入させて送受光部７０をコネクタ１０の光ファイバ支持部１０５の光ファイバ１１と接続させ、コネクタ１０の端子部１０１に接触した第１の通電部が抵抗値４３の一端とモニタ５２の入力の一端に接続され、コネクタ１０の端子部１０２に接触した第２の通電部が抵抗値４４の一端に接続され、コネクタ１０の端子部１０３に接触した第３の通電部が抵抗値４４の他端と抵抗値４３の他端とモニタ５２の入力の他方に接続され、モニタ５２の制御出力が通信部６０に接続されている。   (H) Both devices 2 are connected by an optical cable 1, and the device 2 includes a connector receiver 20, resistance values 43 and 44, a monitor 52, a communication unit 60, and a light transmitting / receiving unit 70. First to third current-carrying portions that are in contact with the respective terminal portions 101 to 103 are provided, the distal end portion of the light transmitting / receiving portion 70 is inserted into the sleeve portion 104 of the connector 10, and the light transmitting / receiving portion 70 is connected to the optical fiber of the connector 10. The first energization part connected to the optical fiber 11 of the support part 105 and contacting the terminal part 101 of the connector 10 is connected to one end of the resistance value 43 and one end of the input of the monitor 52 and contacts the terminal part 102 of the connector 10. The second energization part connected to one end of the resistance value 44, and the third energization part contacting the terminal part 103 of the connector 10 is connected to the other end of the resistance value 44, the other end of the resistance value 43, and the monitor 52. Is connected to the other forces, the control output of the monitor 52 is connected to the communication unit 60.

また、（ｉ）光ケーブル１により双方の装置２が接続されると、双方の装置２のコネクタ受け２０の第３の通電部が光ケーブル１の導線１２を介して導通状態となり、双方の装置２でモニタ５２が入力側に繋がる抵抗値を測定し、抵抗値４３と抵抗値４４が並列接続された値を検出し、相手方の装置２が接続されたと判定して通信部６０が制御されて送受光部７０から光信号が光ファイバ１１に送出される。
図３の装置２は、モニタ５２が入力側に繋がる抵抗値を測定し、抵抗値４３の値が検出された場合に、相手方の装置２が接続されていないと判定して通信部６０が制御されて送受光部７０から光信号が光ファイバ１１に送出されることがない。
また、モニタ５２が入力側に繋がる抵抗値を測定し、抵抗値４３と抵抗値４４が並列接続された値をよりも低い値が検出された場合に、導線１２や相手方の装置２が短絡していると判定して通信部６０が制御されて送受光部７０から光信号が光ファイバ１１に送出されることがない。
また、ディスプレイ部を備え、導線１２や相手方の装置２が短絡していると判定した場合に、ディスプレイ部に短絡警告を表すマークやシンボル又は短絡警告メッセージを表示する、及び／又は相手方の装置２の接続有無を判定した場合に、ディスプレイ部に接続有無を表すマーク又はシンボルを表示する構成としてもよい。また、短絡していると判定した場合に、通信部６０が制御されて送受光部７０から光信号が光ファイバ１１に送出される構成としてもよく、その場合に光信号送出確認試験などの目的で光信号の光量を絞るなどの安全に配慮した通信部６０の制御が可能である。 (I) When both devices 2 are connected by the optical cable 1, the third current-carrying portion of the connector receiver 20 of both devices 2 becomes conductive through the conducting wire 12 of the optical cable 1. The monitor 52 measures the resistance value connected to the input side, detects the value in which the resistance value 43 and the resistance value 44 are connected in parallel, determines that the counterpart device 2 is connected, and controls the communication unit 60 to transmit / receive light An optical signal is sent from the unit 70 to the optical fiber 11.
The apparatus 2 of FIG. 3 measures the resistance value connected to the input side by the monitor 52, and when the value of the resistance value 43 is detected, determines that the counterpart apparatus 2 is not connected, and the communication unit 60 performs control. Thus, an optical signal is not sent from the light transmitting / receiving unit 70 to the optical fiber 11.
Further, when the resistance value connected to the input side by the monitor 52 is measured and a value lower than the resistance value 43 and the resistance value 44 connected in parallel is detected, the conductor 12 and the counterpart device 2 are short-circuited. Therefore, the communication unit 60 is controlled and an optical signal is not sent from the light transmitting / receiving unit 70 to the optical fiber 11.
In addition, when it is determined that the lead wire 12 or the counterpart device 2 is short-circuited, a display unit displays a mark or symbol indicating a short-circuit warning or a short-circuit warning message and / or the counterpart device 2. When the presence / absence of connection is determined, a mark or symbol indicating the presence / absence of connection may be displayed on the display unit. Moreover, when it determines with having short-circuited, it is good also as a structure which the communication part 60 is controlled and an optical signal is sent out to the optical fiber 11 from the light transmission / reception part 70, In that case, objectives, such as an optical signal transmission confirmation test Thus, it is possible to control the communication unit 60 in consideration of safety, such as reducing the light amount of the optical signal.

上記実施形態において、光ファイバ１１は、石英光ファイバやＰＯＦ（Plastic Optical Fiber）などとし、光ファイバ支持部１０５は、フェルールであってもよい。コネクタ１０およびコネクタ受け２０は、他の形状であってもよい。また、コネクタ１０および光ケーブル１は、複数の光ファイバ１１を備えてもよい。光ケーブル１の両端末のコネクタ１０は、双方を同一形状としたが、異形状であってもよい。光ケーブル１は端子部１０３側を共通線とし、いわゆるクロスケーブルの構成だが、両端末の双方のコネクタ１０を他形状とすればストレートケーブルとすることも可能である。二つの装置２は、従属関係および同一構成の有無を問わない。光ケーブル１は、共通線を設けずコネクタ１０の端子部を四つ設ける構成としてもよい。   In the above embodiment, the optical fiber 11 may be a quartz optical fiber, a POF (Plastic Optical Fiber), or the like, and the optical fiber support 105 may be a ferrule. The connector 10 and the connector receiver 20 may have other shapes. The connector 10 and the optical cable 1 may include a plurality of optical fibers 11. The connectors 10 at both ends of the optical cable 1 have the same shape, but may have different shapes. The optical cable 1 has a terminal line 103 side as a common line, and is a so-called cross cable configuration. However, it is also possible to use a straight cable if both the connectors 10 of both terminals have other shapes. The two devices 2 may or may not have a dependency relationship and the same configuration. The optical cable 1 may be configured to provide four terminal portions of the connector 10 without providing a common line.

１…光ケーブル，２…装置，１０…コネクタ，１１…光ファイバ，１２…導線，２０…コネクタ受け，３０…電源部，４０〜４１…プルアップ抵抗，４２…電流制限抵抗，４３〜４４…抵抗値，５０…インバータ，５１…フォトカプラ，５２…モニタ，Ｔ…フォトトランジスタ，Ｄ…発光ダイオード，６０…通信部，６１…通信部，７０…送受光部，１０１〜１０３…端子部，１０４…スリーブ部，１０５…光ファイバ支持部   DESCRIPTION OF SYMBOLS 1 ... Optical cable, 2 ... Apparatus, 10 ... Connector, 11 ... Optical fiber, 12 ... Conductor, 20 ... Connector receptacle, 30 ... Power supply part, 40-41 ... Pull-up resistance, 42 ... Current limiting resistance, 43-44 ... Resistance Value: 50 ... Inverter, 51 ... Photocoupler, 52 ... Monitor, T ... Phototransistor, D ... Light emitting diode, 60 ... Communication unit, 61 ... Communication unit, 70 ... Transmitting / receiving unit, 101-103 ... Terminal unit, 104 ... Sleeve part, 105 ... Optical fiber support part

上記課題を解決するため本発明の光通信システムは、光伝送路（１１）と、３つ又は４つの導線（１２）を有するコネクタ（１０）を備える光ケーブル（１）により接続され、前記コネクタ（１０）を接続するコネクタ受け（２０）を備え、相手方の接続状態を検出し表示する二つの装置（２）によるとともに、前記装置（２）の双方は、二つの前記導線（１２）により相手方が接続しているか否かを検出し、該検出により、前記光信号の前記光伝送路（１１）への送出を制御するとともに、前記接続状態を表示する。   In order to solve the above problems, an optical communication system of the present invention is connected to an optical transmission line (11) by an optical cable (1) including a connector (10) having three or four conductors (12), and the connector ( 10) is provided with a connector receiver (20) for connecting, and by means of two devices (2) for detecting and displaying the connection state of the other party, both of the devices (2) are connected by the two conductors (12). Whether or not it is connected is detected. Based on the detection, transmission of the optical signal to the optical transmission line (11) is controlled, and the connection state is displayed.

また、（ｈ）光ケーブル１により双方の装置２が接続され、装置２がコネクタ受け２０、抵抗４３、４４、モニタ５２、通信部６０および送受光部７０を備え、コネクタ受け２０がコネクタ１０の端子部１０１〜１０３のそれぞれと接触する第１〜第３の通電部を備え、送受光部７０の先端部をコネクタ１０のスリーブ部１０４内に挿入させて送受光部７０をコネクタ１０の光ファイバ支持部１０５の光ファイバ１１と接続させ、コネクタ１０の端子部１０１に接触した第１の通電部が抵抗４３の一端とモニタ５２の入力の一端に接続され、コネクタ１０の端子部１０２に接触した第２の通電部が抵抗４４の一端に接続され、コネクタ１０の端子部１０３に接触した第３の通電部が抵抗４４の他端と抵抗４３の他端とモニタ５２の入力の他方に接続され、モニタ５２の制御出力が通信部６０に接続されている。 (H) Both devices 2 are connected by an optical cable 1, and the device 2 includes a connector receiver 20, resistors 43 and 44, a monitor 52, a communication unit 60, and a light transmitting / receiving unit 70, and the connector receiver 20 is a terminal of the connector 10. First to third current-carrying portions that are in contact with each of the portions 101 to 103, and the distal end portion of the light transmitting / receiving portion 70 is inserted into the sleeve portion 104 of the connector 10 so that the light transmitting / receiving portion 70 is supported by the optical fiber of the connector 10 The first energizing part connected to the optical fiber 11 of the part 105 and contacting the terminal part 101 of the connector 10 is connected to one end of the resistor 43 and one end of the input of the monitor 52 and contacted with the terminal part 102 of the connector 10. 2 of the conductive portion is connected to one end of the resistor 44, the other input of the other end and the monitor 52 at the other end with the resistor 43 of the third conductive portion is resistor 44 in contact with the terminal portion 103 of the connector 10 Connected, the control output of the monitor 52 is connected to the communication unit 60.

また、（ｉ）光ケーブル１により双方の装置２が接続されると、双方の装置２のコネクタ受け２０の第３の通電部が光ケーブル１の導線１２を介して導通状態となり、双方の装置２でモニタ５２が入力側に繋がる抵抗値を測定し、抵抗４３と抵抗４４が並列接続された値を検出し、相手方の装置２が接続されたと判定して通信部６０が制御されて送受光部７０から光信号が光ファイバ１１に送出される。
図３の装置２は、モニタ５２が入力側に繋がる抵抗値を測定し、抵抗４３の値が検出された場合に、相手方の装置２が接続されていないと判定して通信部６０が制御されて送受光部７０から光信号が光ファイバ１１に送出されることがない。
また、モニタ５２が入力側に繋がる抵抗値を測定し、抵抗４３と抵抗４４が並列接続された値をよりも低い値が検出された場合に、導線１２や相手方の装置２が短絡していると判定して通信部６０が制御されて送受光部７０から光信号が光ファイバ１１に送出されることがない。
また、ディスプレイ部を備え、導線１２や相手方の装置２が短絡していると判定した場合に、ディスプレイ部に短絡警告を表すマークやシンボル又は短絡警告メッセージを表示する、及び／又は相手方の装置２の接続有無を判定した場合に、ディスプレイ部に接続有無を表すマーク又はシンボルを表示する構成としてもよい。また、短絡していると判定した場合に、通信部６０が制御されて送受光部７０から光信号が光ファイバ１１に送出される構成としてもよく、その場合に光信号送出確認試験などの目的で光信号の光量を絞るなどの安全に配慮した通信部６０の制御が可能である。 (I) When both devices 2 are connected by the optical cable 1, the third current-carrying portion of the connector receiver 20 of both devices 2 becomes conductive through the conducting wire 12 of the optical cable 1. The monitor 52 measures the resistance value connected to the input side, detects the value in which the resistor 43 and the resistor 44 are connected in parallel, determines that the counterpart device 2 is connected, the communication unit 60 is controlled, and the light transmitting / receiving unit 70 is controlled. Is transmitted to the optical fiber 11.
The apparatus 2 of FIG. 3 measures the resistance value connected to the input side by the monitor 52, and when the value of the resistance 43 is detected, it is determined that the counterpart apparatus 2 is not connected, and the communication unit 60 is controlled. Thus, the optical signal is not sent from the light transmitting / receiving unit 70 to the optical fiber 11.
Further, when the resistance value connected to the input side by the monitor 52 is measured and a value lower than the value in which the resistor 43 and the resistor 44 are connected in parallel is detected, the conductor 12 and the counterpart device 2 are short-circuited. Therefore, the communication unit 60 is controlled and the optical signal is not transmitted from the light transmitting / receiving unit 70 to the optical fiber 11.
In addition, when it is determined that the lead wire 12 or the counterpart device 2 is short-circuited, a display unit displays a mark or symbol indicating a short-circuit warning or a short-circuit warning message and / or the counterpart device 2. When the presence / absence of connection is determined, a mark or symbol indicating the presence / absence of connection may be displayed on the display unit. Moreover, when it determines with having short-circuited, it is good also as a structure which the communication part 60 is controlled and an optical signal is sent out to the optical fiber 11 from the light transmission / reception part 70, In that case, objectives, such as an optical signal transmission confirmation test Thus, it is possible to control the communication unit 60 in consideration of safety, such as reducing the light amount of the optical signal.

１…光ケーブル，２…装置，１０…コネクタ，１１…光ファイバ，１２…導線，２０…コネクタ受け，３０…電源部，４０〜４１…プルアップ抵抗，４２…電流制限抵抗，４３〜４４…抵抗，５０…インバータ，５１…フォトカプラ，５２…モニタ，Ｔ…フォトトランジスタ，Ｄ…発光ダイオード，６０…通信部，６１…通信部，７０…送受光部，１０１〜１０３…端子部，１０４…スリーブ部，１０５…光ファイバ支持部 DESCRIPTION OF SYMBOLS 1 ... Optical cable, 2 ... Apparatus, 10 ... Connector, 11 ... Optical fiber, 12 ... Conductor, 20 ... Connector receptacle, 30 ... Power supply part, 40-41 ... Pull-up resistance, 42 ... Current limiting resistance, 43-44 ... Resistance , 50 ... Inverter, 51 ... Photocoupler, 52 ... Monitor, T ... Phototransistor, D ... Light emitting diode, 60 ... Communication unit, 61 ... Communication unit, 70 ... Transmitting / receiving unit, 101-103 ... Terminal unit, 104 ... Sleeve Part, 105 ... optical fiber support part

上記課題を解決するため本発明の光通信システムは、コネクタ（１０）、光伝送路（１１）、導線（１２）を備えるケーブル（１）により相手方装置（２）が接続されるとともに、前記相手方装置（２）からの電源の供給を検出する手段と、該検出により、前記光伝送路（１１）への光信号の送出を制御する手段を備えることを特徴とする。   In order to solve the above problems, an optical communication system according to the present invention includes a counterpart device (2) connected by a cable (1) having a connector (10), an optical transmission line (11), and a conducting wire (12). It is characterized by comprising means for detecting the supply of power from the device (2) and means for controlling the transmission of the optical signal to the optical transmission line (11) by the detection.

上記課題を解決するため本発明の光通信システムは、電源手段（３０）と、光伝送路（１１）、導線（１２）を備えるケーブル（１）により相手方装置（２）と接続する手段と、前記相手方装置（２）の前記電源手段（３０）からの電源の供給を検出する手段と、該検出により、前記光伝送路（１１）への光信号の送出を制御する手段を備えることを特徴とする。 The optical communication system of the present invention for solving the above problems, a power supply means (30), the optical transmission path (11), means for connecting the opposite device (2) by a cable (1) comprising a conductor (12), And means for detecting the supply of power from the power supply means (30 ) of the counterpart device (2) and means for controlling the transmission of an optical signal to the optical transmission line (11) by the detection. And

上記課題を解決するため本発明の光通信システムは、第１電源手段（３０）と、光伝送路（１１）および導線（１２）を備えるケーブル（１）により、第２電源手段（３０）を備える相手方装置（２）と接続する手段を備える装置（２）において、前記第２電源手段（３０）からの電源の供給を検出する手段と、該検出により、前記光伝送路（１１）への光信号の送出を制御する手段を備えることを特徴とする。 In order to solve the above problems, the optical communication system of the present invention includes a first power supply means (30) and a second power supply means (30) by a cable (1) including an optical transmission line (11) and a conducting wire (12). In the apparatus (2) comprising means for connecting to the counterpart apparatus (2) provided, means for detecting the supply of power from the second power supply means (30), and the detection to the optical transmission line (11) A means for controlling the transmission of the optical signal is provided.

Claims (5)

光伝送路（１１）および導線（１２）を備えた光ケーブル（１）で二つの装置（２）間を接続し、
前記装置（２）の夫々は、モニタ（５２）により相手側の未接続、接続、短絡の各状態を検出する手段と、該状態により、前記光伝送路（１１）への光信号の送出を制御する手段と、該短絡の検出により、短絡を警報する手段を備える光通信システムに用いたことを特徴とするいずれかの装置（２）。 Connecting the two devices (2) with an optical cable (1) comprising an optical transmission line (11) and a conducting wire (12);
Each of the devices (2) has means for detecting unconnected, connected, and short-circuited states on the other side by the monitor (52), and sends out an optical signal to the optical transmission line (11) according to the state. Any device (2), characterized in that it is used in an optical communication system comprising means for controlling and means for alarming a short circuit upon detection of the short circuit. 光伝送路（１１）および導線（１２）を備えた光ケーブル（１）で二つの装置（２）間を接続し、
前記装置（２）の夫々は、モニタ（５２）により相手側の未接続、接続、短絡の各状態を検出する手段と、該状態により、前記光伝送路（１１）への光信号の送出を制御する手段を備える光通信システムに用いたことを特徴とするいずれかの装置（２）。 Connecting the two devices (2) with an optical cable (1) comprising an optical transmission line (11) and a conducting wire (12);
Each of the devices (2) has means for detecting unconnected, connected, and short-circuited states on the other side by the monitor (52), and sends out an optical signal to the optical transmission line (11) according to the state. Any apparatus (2) used for the optical communication system provided with the means to control. 光伝送路（１１）および導線（１２）を備えた光ケーブル（１）で二つの装置（２）間を接続し、
前記装置（２）の夫々は、相手方の前記装置（２）から電源供給を受けることにより、前記導線（１２）間の導通状態を形成する手段と、前記導通状態を検出する手段と、該検出の有無により、光信号の送出が制御される手段を備える光通信システムに用いたことを特徴とするいずれかの装置（２）。 Connecting the two devices (2) with an optical cable (1) comprising an optical transmission line (11) and a conducting wire (12);
Each of the devices (2) receives a power supply from the counterpart device (2), thereby forming a conduction state between the conductors (12), a means for detecting the conduction state, and the detection Any device (2) used in an optical communication system including means for controlling transmission of an optical signal depending on the presence or absence of the optical signal. 光伝送路（１１）および導線（１２）を備えた光ケーブル（１）で二つの装置（２）間を接続し、
前記光ケーブル（１）は、三つの端子部を備え、かつ、前記光伝送路（１１）を支持するコネクタ（１０）を両端末に備え、前記装置（２）の夫々により両方の前記コネクタ（１０）の夫々で前記端子部の内の二つ（１０２、１０３）が導通状態となり、二つの導通路が形成され、
前記装置（２）の夫々は、一方の前記導通路を形成する手段と、他方の前記導通路の形成を検出する手段と、該検出の有無により、前記光伝送路（１１）への光信号の送出が制御される手段を備える光通信システムに用いたことを特徴とするいずれかの装置（２）。 Connecting the two devices (2) with an optical cable (1) comprising an optical transmission line (11) and a conducting wire (12);
The optical cable (1) includes three terminal portions and includes a connector (10) that supports the optical transmission line (11) at both terminals. Both the connectors (10 ), Two of the terminal portions (102, 103) become conductive, and two conductive paths are formed,
Each of the devices (2) includes a means for forming one of the conduction paths, a means for detecting the formation of the other conduction path, and an optical signal to the optical transmission path (11) depending on the presence or absence of the detection. Any device (2), characterized in that it is used in an optical communication system comprising means for controlling the transmission of the. 請求項１ないし４のいずれかに記載の光通信システムに用いたことを特徴とする光ケーブル（１）。   An optical cable (1) used in the optical communication system according to any one of claims 1 to 4.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110312984A (en) * 2017-02-27 2019-10-08 川崎重工业株式会社 Communication system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004350155A (en) * 2003-05-23 2004-12-09 Sony Corp Optical communication system, optical communication device and optical cable
JP2008515343A (en) * 2004-09-29 2008-05-08 フィニサー コーポレイション Optical cable for household appliances
JP2011228829A (en) * 2010-04-16 2011-11-10 Sumitomo Electric Ind Ltd Cable unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004350155A (en) * 2003-05-23 2004-12-09 Sony Corp Optical communication system, optical communication device and optical cable
JP2008515343A (en) * 2004-09-29 2008-05-08 フィニサー コーポレイション Optical cable for household appliances
JP2011228829A (en) * 2010-04-16 2011-11-10 Sumitomo Electric Ind Ltd Cable unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110312984A (en) * 2017-02-27 2019-10-08 川崎重工业株式会社 Communication system
CN110312984B (en) * 2017-02-27 2023-07-25 川崎重工业株式会社 Communication system

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