Wire harness structure capable of converting 24V direct current voltage into 5V direct current voltage

The utility model discloses a wire harness structure capable of converting 24V direct current voltage into 5V direct current voltage, which comprises a power supply connector, a sensor connector and a step-down bag, the input end of the step-down bag is connected with the power supply connector through a connecting wire harness, and the output end of the step-down bag is connected with the sensor connector through a connecting wire harness; the step-down package comprises a 7805 chip U1, a 5V direct current output terminal P1, a 24V direct current input terminal P2, an input capacitor C1 and an output capacitor C2; a first pin of the 7805 chip U1 is connected with a 24V direct current input terminal P1, a second pin of the 7805 chip U1 is grounded, the step-down package comprises a third pin of the 7805 chip U1, the third pin of the 7805 chip U1 is connected with a 5V direct current output terminal P2, one end of an input capacitor C1 is connected with a connecting line between the 24V direct current input te