Patent ID: 8699196
Filing Date: 2014-04-15
Classification: H02H

Abstract:
1. A method for controlling thermal protection, comprising: measuring a temperature value of a protection point of an Integrated Circuit (IC) by disposing temperature sensor units close to the protection point of the IC; comparing the measured temperature value with a thermal protection temperature threshold; starting timing when the measured temperature value reaches or exceeds the thermal protection temperature threshold; and starting a protection when a duration of the timing reaches or exceeds the preset time, wherein the temperature sensor units comprise a main temperature sensor unit and an auxiliary temperature sensor unit, wherein the thermal protection temperature threshold comprises an alarm threshold, a protection threshold, an alarm rough threshold, and a protection rough threshold, wherein the alarm threshold is lower than the protection threshold, wherein the alarm rough threshold is lower than the protection rough threshold, wherein comparing the measured temperature value with the thermal protection temperature threshold comprises comparing a temperature value measured by the main temperature sensor unit with the alarm threshold and the protection threshold, and comparing a temperature value measured by the auxiliary temperature sensor unit with the alarm rough threshold, wherein starting the protection when the measured temperature value reaches or exceeds the thermal protection temperature threshold and the duration of reaching or exceeding the thermal protection temperature threshold exceeds the preset time comprises reporting alarm information when a first status is reached and a duration of the first status exceeds a first preset time, wherein the first status is a status that the temperature value measured by the auxiliary temperature sensor unit reaches or exceeds the alarm rough threshold and the temperature value measured by the main temperature sensor unit reaches or exceeds the alarm threshold, and starting a protection mode when a second status is reached and a duration of the second status exceeds a second preset time, and wherein the second status is a status that the temperature value measured by the auxiliary temperature sensor unit reaches or exceeds the protection rough threshold, and the temperature value measured by the main temperature sensor unit reaches or exceeds the protection threshold.