The utility model discloses a
control signal delay circuit, which comprises a sound acquisition circuit, a touch key circuit, a switch
control circuit and a
delay broadcast circuit, the input end of the switch
control circuit is respectively connected with the sound acquisition circuit and the touch key circuit, and the output end of the switch
control circuit is connected with the
delay broadcast circuit. The sound acquisition circuit is used for acquiring sound signals; the touch key circuit is used for sending a touch
signal; and the switch control circuit is used for receiving the sound
signal acquired by the sound acquisition circuit and the touch
signal sent by the switch control circuit, and controlling the time-delay
broadcasting circuit to carry out time-delay
broadcasting. According to the utility model, the manufacturing cost is low, the
automation degree is high, the timing time can be set in the delay broadcast circuit, the sound is played when the set timing time is up, a house owner is notified in time, and the personalized customization requirement is met.