To reduce the cost of a facility related to present indication control of a traffic signal.SOLUTION: A present indication control system 10 comprises: a power line 18 for supplying power to light a lamp of a traffic signal 14; a first modem 28 connected to the power line 18 to transmit a first information message including present indication information through the power line; a second modem 36 connected to the power line 18 to receive the first information message through the power line; a changeover circuit part 40 for changing a supply destination of power; and a control processing part 42 for controlling the changeover circuit part 40 on the basis of the present indication information included in the first information message. In other word, a power line carrier communication is performed by means of the power line 18 which is indispensable to lighting the lamp of the traffic signal 14 and thereby on the basis of the transmitted present indication information, present indication control of the traffic signal 14 is performed. By this, since a cable laid in the traffic signal 14 is only the power line 18 for supplying power to the traffic signal 14, the facility cost and construction cost can be reduced.SELECTED DRAWING: Figure 1

    【課題】信号機の現示制御に係る設備のコストを抑制する。【解決手段】現示制御システム10は、信号機14の灯球を点灯させるための電力を供給する電力線18と、電力線18を介して現示情報を含む第1の情報電文を送信するように結合された第1のモデム28と、電力線18を介して第1の情報電文を受信するように結合された第2のモデム36と、電力の供給先を切り替える切替回路部40と、第1の情報電文に含まれる現示情報に基づいて切替回路部40を制御する制御処理部42とを含んでいる。すなわち、信号機14の灯球の点灯に必須である電力線18を利用して電力線搬送通信を行い、それによって送信する現示情報に基づき、信号機14の現示制御を行うものである。これにより、信号機14へと布設されるケーブルが、信号機14へ電力を供給する電力線18のみへと削減されるため、設備費や工事費を低減することができる。【選択図】図1


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    Titel :

    PRESENT INDICATION CONTROL SYSTEM OF TRAFFIC SIGNAL


    Weitere Titelangaben:

    信号機の現示制御システム


    Beteiligte:

    Erscheinungsdatum :

    2020-01-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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