An electric vehicle having a full-automatic repair function and providing double-frequency loudspeaker voice comprises an electric vehicle body, a controller and a voice loudspeaker device. when circuit faults of the electric vehicle running at low speed in a safety mode, except a speed regulating turning handle fault, occur, a single chip microcomputer circuit of a controller circuit automatically detects the types of the faults, a method set in a program is adopted to temporarily and automatically repair the faults and enable the controller circuit to be in a low-speed running state, the running speed is started and controlled through a speed regulating turning handle, meanwhile the voice loudspeaker device prompts that the types of the faults are temporarily and automatically repaired and the electric vehicle runs at low speed. When a loudspeaker press key is pressed, two types of melodious loudspeaker sounds different in frequency produced by an irony loudspeaker and the loudspeaker can be simultaneously given.
Electric vehicle having full-automatic repair function and providing double-frequency loudspeaker voice
2015-07-29
Patent
Electronic Resource
English
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