Safety signal answering device between motor-vehicle

The utility model provides a safety signal answering apparatus among automobiles, which comprises a transmission module, a reception module and a prompting module. The utility model is additionally provided with a coding module, a modulation transmitting module, a demodulation receiving module and a decoder module. The input terminal of the coding module is connected with the inside of an automobile and the control signals of traffic lamps, the output terminal of the coding module is connected with the transmission module via the modulation transmitting module, the reception module receives the signals sent by the transmission module and is connected with a decoder via the demodulation receiving module, and the output terminal of the decoder is connected with the prompting module. The utility model employs infrared tubes to transmit and receive signals among automobiles, and sends original automobile whistling signals and a series of safety lamp signals of brake, steering, and traffic lamps to relevant automobiles by means of infrared. The utility model provides a security function to the running of automobiles, especially avoids traffic accidents under the condition of poor line of sight, and reduces the noise pollution caused by whistling of automobiles.