Electronic detonator delay control circuit

The invention discloses a delay control circuit of an electronic detonator. The delay control circuit comprises an electronic detonator chip, a first input line, a second input line, a first diode, a first resistor, a working capacitor, a second diode, a detonation capacitor and an MOS tube, the first input line and the second input line are connected with input pins of the electronic detonator chip; a first output pin of the electronic detonator chip is connected with an anode of the first diode, and a cathode of the first diode is connected with the first resistor and the working capacitor; the first resistor is also connected with a CAP pin of the electronic detonator chip; the working capacitor is also grounded; a second output pin of the electronic detonator chip is connected with an anode of a second diode; a cathode of the second diode is connected with a detonation capacitor and a first detection pin of the electronic detonator chip; and the grid electrode of the MOS tube is connected with the live wi