The invention relates to an automobile trigger type fuel tank cap alarm which comprises a power source, a triode I, a triode II, a resistor, a trigger switch, an alarm horn and a shell, the power source, the triode I, the triode II, the resistor, the trigger switch and the alarm horn are arranged in the shell, an emitting electrode of the triode I is connected with a positive electrode of the power source, and one end of the resistor is connected with the positive electrode of the power source, the other end of the resistor is connected with the base electrode of a triode II and one end of a trigger switch wire harness, the other end of the trigger switch wire harness is connected with the negative electrode of the power supply, and the collector electrode of the triode II is connected with the base electrode of a triode I, the emitter electrode of the triode II is connected with the negative electrode of the power supply, the cathode of the alarm horn is connected with the power supply cathode. The trigger switch is installed on the fuel tank cap seat, and the switch in the alarm circuit is controlled through the stress of the spring of the trigger switch when the fuel tank cap isclosed, so that the effect of alarming when the fuel tank cap is not closed well is achieved.

    本发明涉及一种汽车触发式油箱盖报警器,包括电源、三极管Ⅰ、三极管Ⅱ、电阻、触发开关、报警喇叭和壳体,电源、三极管Ⅰ、三极管Ⅱ、电阻、触发开关和报警喇叭分别设置于壳体中,三极管Ⅰ的发射极与电源正极连接,电阻的一端与电源正极连接,电阻的另一端连接分别与三极管Ⅱ的基极和触发开关线束一端连接,触发开关线束另一端与电源负极连接,三极管Ⅱ的集电极与三极管Ⅰ的基极连接,三极管Ⅱ的发射极与电源负极连接,三极管Ⅰ的集电极与报警喇叭的正极连接,报警喇叭的负极与电源负极连接。将触发开关安装在油箱盖座上,通过油箱盖关闭时触发开关的弹簧受力来控制报警器电路中的开关,以起到当油箱盖没关闭好而报警的作用。


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    Title :

    Automobile trigger type fuel tank cap alarm


    Additional title:

    汽车触发式油箱盖报警器


    Contributors:
    YANG LINGLING (author) / WANG HONGGUANG (author) / TAO JIANDE (author) / GAN HUAFU (author)

    Publication date :

    2021-02-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / 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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