A MOS drive control method, comprising:
- 1} first turning on a device, initializing the device, activating an MOS switching circuit to make it in working state, turning on detection devices, and conducting a comprehensive monitoring of the switching circuit;
- at this time, after entering, there are a red fault light and a green work light on the display pane in a flashing state;
- the red fault light and the green working light flash in turn to represent a search responsible state;
- the red fault light is turned off after 10 seconds, and the green working light is turned on to indicate completion of the initialization operation, and finish a circuit opening operation;
- 2) first monitoring a voltage connected to the switching circuit, the MOS drives a control circuit, a current range is 1000A-3000A;
- after the switching circuit passes a voltage detection, it is connected to a power supply to activate the power supply;
- 3) the power supply described in step 2) is connected to the control circuit;
- the control circuit processes information transmitted by the power supply, and the control circuit drives a driving circuit;
- 4) in step 3), after the MOS switching circuit is turned on, a temperature of the switching circuit is detected in real time by an infrared thermometer;
- if the temperature exceeds 80 degrees Celsius, giving an alarm by flashing a red alarm lamp;
- in operation step 2, during a fault state, an LED connected to a pin 28 lights up, and an I_ADC (activation current detection) pin is checked;
- if the detected voltage is greater than a current battery voltage, the red fault light flashes;
- if the detected value voltage is less than the battery voltage, first turning on an TL1 (top level hardware interrupt) advanced interrupt, and then turning on an ON/OFF pin;
- after they are turned on, if the TL1 interrupt is entered immediately, the ON/OFF will be turned off immediately in the TL1 interrupt and a fault alarm will be displayed;
- if the TL1 interrupt is not entered immediately, turning off the TL1 interrupt, and then checking an activation detection current of an ILoad (load current check) pin;
- if there is a current value, turning on the green work light;
- if there is no current value, turning off the ON/OFF, the red fault light and the green work light flash in turns, and returning to during the fault state, lighting up the LED connected to the pin 28 and checking the I_ADC pin again until-checking if there is a current value;
- if the ILoad detects there is a current value, judging the current value;
- if the current value of the ILoad pin exceeds the detection range of a single-chip microcomputer an activation detection current value of the I_ADC pin is detected.