To make it possible to use exhaled breath of a non-drinking person other than a driver as a substitute.SOLUTION: An alcohol sensor 4, a sound sensor 5 for detecting exhaled breath sound and prime mover start possibility/impossibility display means 6 are built in a hand unit 1. A micro computer 7 which determines start possibility/impossibility of a prime mover by an electric signal inputted from the alcohol sensor 4 and the sound sensor 5, and a first relay 8 which makes operation of an engine switch ES valid when determining that "start is possible" are built in a main unit 2 which can be operated by a constant power source on a vehicle side. The main unit has tamer function for switching the first relay 8 "OFF" by non-execution operation of the engine switch ES within a prescribed time when determining that "start is possible", and since exhaled breath other than a subject person cannot be utilized by using exhaled breath sounds unique to humans as a determination condition under conditions that the prime mover cannot be started unless a subject person sitting on the seat becomes a driver, an alcohol concentration in exhaled breath of the driver can be reliably checked.SELECTED DRAWING: Figure 4

    【課題】運転者以外の未飲酒者の呼気が代用可能となる。【解決手段】ハンドユニット1には、アルコールセンサ4、呼気音を検出するための音センサ5及び原動機の始動可否表示手段6が内蔵され、車両側の常時電源で稼働可能なメインユニット2は、アルコールセンサ4及び音センサ5から入力される電気信号により原動機の始動可否を判定するマイコン7と、「始動可」の判定でエンジンスイッチESの操作を有効な状態とする第1リレー8が内蔵され、「始動可」の判定でエンジンスイッチESの操作の所定時間内での不実行で第1リレー8を「OFF」とするタイマー機能が備わっていることで、座席に座った被検者が運転者とならなければ原動機を始動できない条件下で、人間特有の呼気音を判定条件とすることによって、被検者以外の呼気を利用出来ないため、運転者の呼気中のアルコール濃度を確実に検査することが出来る。【選択図】図4


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    Title :

    ALCOHOL INTERLOCK DEVICE


    Additional title:

    アルコール・インターロック装置


    Contributors:

    Publication date :

    2024-12-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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