The invention relates to an automatic alarm tail lamp for a bicycle. The automatic alarm tail lamp comprises a support, the support is connected with a bicycle support, a warning lamp for lighting in the nighttime is connecting on the support in a threaded manner, a control device for controlling the warning lamp is fixedly connected on the warning lamp and comprises a distance sensor, a loudspeaker, a control switch and a solar battery, the solar cell supplies power for the warning lamp, the distance sensor, the loudspeaker and the control switch, an outlet end of the distance sensor is electrically connected with the control switch, and the control switch is electrically connected with the loudspeaker and the warning lamp. The automatic alarm tail lamp for the bicycle is provided with the warning lamp and the control device with the control switch, and nighttime riding safety is greatly improved.
Automatic alarm tail lamp for bicycle
2015-04-22
Patent
Elektronische Ressource
Englisch
IPC: | B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS |