Patent ID: 8358491

Claim:
An over-voltage protection device used in an electronic device, comprising: a housing, which is capable of being connected to ground or serving as electrical ground; a circuit board; a connecting member detachably attached to the circuit board and the housing to electrically connect the circuit board with the housing; a protection member connected to the circuit board and circuitry of the electronic device; wherein when an over-voltage is generated in the electronic device, the over-voltage is transmitted to the ground through the protection member, the circuit board, the connecting member, and the housing; a live line connected to the circuitry of the electronic device and the protection member; and a null line connected to the circuitry of the electronic device and the protection member; wherein the protection member includes at least three protection components, one protection component connecting the live line to the null line, one protection component connecting the live line to the circuit board, and one protection component connecting the null line to the circuit board.