Automatic power off circuit of non-rebound switches

An automatic power off circuit, comprising:

• a power supply;
• a power switch circuit, connected with the power supply;
• a controller, connected with the power switch circuit;
• a main control circuit, connected with the controller, the power supply and the power switch circuit;
• a non-rebound switch, connected with the main control circuit;
• a power on-off control circuit, connected with the controller;
• and
• a trigger circuit, connected with the power supply, the power switch circuit, the non-rebound switch and the power on-off control circuit;
• wherein the main control circuit is configured to output a turn-on signal to the power switch circuit in response to the non-rebound switch being turned on;
• and the power switch circuit is configured to turn on the power supply in response to the turn-on signal;
• and
• wherein the controller is configured to detect continuous turn-on time of the non-rebound switch and output a turn-off signal in response to the continuous turn-on time exceeding a preset timing time;
• and the main control circuit is configured to turn off the power switch circuit in response to the turn-off signal, to thereby turn off the power supply;
• wherein the trigger circuit is configured to output the turn-on signal to the power switch circuit in response to the non-rebound switch being turned on;
• and the power on-off control circuit is configured to turn off the power switch circuit in response to the turn-off signal, to thereby turn off the power supply;
• wherein the power on-off control circuit comprises a NPN type triode (Q6), an eighth resistor (R8) and a ninth resistor (R9);
• and
• wherein a C electrode of the NPN type triode (Q6) is connected with the power switch circuit and the trigger circuit;
• an E electrode of the NPN transistor (Q6) is connected with the trigger circuit and the non-rebound switch;
• a B electrode of the NPN type triode (Q6) is connected with an end of the eighth resistor (R8);
• another end of the eighth resistor (R8) is connected with an end of the ninth resistor (R9) and the controller;
• and another end of the ninth resistor (R9) is grounded.

An automatic power off circuit, comprising:

• a power supply;
• an anti-reverse connection circuit, connected with the power supply;
• wherein the anti-reverse connection circuit is configured to prevent the power supply from reverse connection;
• a power switch circuit, connected with the anti-reverse connection circuit;
• a controller, connected with the power switch circuit;
• a voltage-regulator circuit, connected between the controller and the power switch circuit;
• wherein the voltage-regulator is configured to provide a stable voltage to the controller;
• a power on-off control circuit, connected with the controller;
• a non-rebound switch, connected with the power on-off control circuit;
• and
• a trigger circuit, connected with the anti-reverse connection circuit, the power switch circuit, the non-rebound switch and the power on-off control circuit;
• wherein the trigger circuit is configured to output a turn-on signal to the power switch circuit in response to the non-rebound switch being turned on;
• and the power switch circuit is configured to turn on the power supply in response to the turn-on signal, to thereby enable the power supply to supply power to the controller through the anti-reverse connection circuit, the power switch circuit and the voltage-regulator circuit;
• and
• wherein the controller is configured to detect continuous turn-on time of the non-rebound switch and output a turn-off signal in response to the continuous turn-on time exceeding a preset timing time;
• and the power on-off control circuit is configured to turn off the power switch circuit using the turn-off signal, to thereby turn off the power supply.