Relay driving circuit
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The utility model discloses a relay driving circuit. The relay driving circuit comprises a relay, and a control signal port; the first control end of the relay is connected to the first voltage; the second control end of the relay is connected to the free end of a first control switch and the free end of a second control switch; the control signal port is connected with the control end of the first control switch and the control end of the second control switch and is used for controlling on/off of the first control switch, of the second control switch and of the second control end of the relay; a capacitor is connected between the control signal port and one of the first control switch and the second control switch; and a resistor is connected between one end away from the control signal port of the capacitor and the grounding end of one of the first control switch and the second control switch. According to the utility model, two different circuits driving the relay can be achieved; when the relay is kept in a closed stage, voltage division can be performed for the resistor in the circuit, so power consumption of a coil of the relay is reduced, and extension of service lifetime is facilitated.