Patent ID: 7224134

Claim:
A device for controlling inductive load comprising at least: a power source, a first control assembly, a second control assembly and an inductive load; the power source has a positive electrode and a negative electrode; the first control assembly is electrically connected in series to the power source, and comprises: a relay switch, a relay and a MOSFET, the relay switch has a common contact that is electrically connected to a normal close contact and a normal open contact selectively via an elastic conductive piece, the common contact is electrically connected to the power source, the relay serves to control the elastic conductive piece, the normal open contact is electrically connected to a gate of the MOSFET, the normal close contact is electrically connected to a drain terminal of the MOSFET, and a source terminal of the MOSFET is connected to the power source; the second control assembly is electrically connected in series to the power source and is parallel to the first control assembly, the second control assembly comprises a relay switch, a relay, and a MOSFET, the relay switch has a common contact that is electrically connected to a normal close contact and a normal open contact selectively via an elastic conductive piece, the common contact is electrically connected to the power source, the relay serves to control the elastic conductive piece, the normal open contact is electrically connected to a gate of the MOSFET, the normal close contact is electrically connected to a drain terminal of the MOSFET, and a source terminal of the MOSFET is connected to the power source; the inductive load is disposed between the normal close contact of the relay switch and the normal close contact of the relay switch.