Electronic device and work-frequency reducing method thereof

1. A work-frequency reducing method of an electronic device, wherein the electronic device at least comprises a case, a gravity sensor, a pressure sensor and a processing unit, the gravity sensor detects a gravity status of the electronic device and outputs a plurality of gravity detecting signals, and the pressure sensor detects a pressure status of a bottom portion of the case and outputs a plurality of pressure detecting signals, the work-frequency reducing method comprising steps of:

receiving the gravity detecting signals and judging whether a variation value of the gravity detecting signals is greater than a default gravity value or not;

if the variation value of the gravity detecting signals is greater than the default gravity value, decreasing a working frequency of the processing unit;

receiving the pressure detecting signals and judging whether the pressure detecting signals are greater than a default pressure value or not;

if the pressure detecting signals are not greater than the default pressure value in a preset period, restoring the working frequency of the processing unit; and

after the step of receiving the gravity detecting signals and judging whether the variation value of the gravity detecting signals is greater than the default gravity value or not, further comprising steps of:

if the variation value of the gravity detecting signals is not greater than the default gravity value, receiving the pressure detecting signals and judging whether the pressure detecting signals are greater than the default pressure value or not; and

if the pressure detecting signals are greater than the default pressure value, decreasing the working frequency of the processing unit.

2. The work-frequency reducing method according to claim 1 , wherein the preset period is any time ranging between 1 minute and 5 minutes.

3. The work-frequency reducing method according to claim 1 , wherein the default gravity value is greater than 0 G (gravitational acceleration) and less than 1 G (gravitational acceleration).

4. The work-frequency reducing method according to claim 1 , wherein the default pressure value is between 50 g/cm2 and 500 g/cm2.

5. The work-frequency reducing method according to claim 1 , wherein the step of decreasing the working frequency of the processing unit is to immediately, slowly or step wisely decrease the working frequency of the processing unit to a default working frequency.

6. An electronic device, comprising: a case; a gravity sensor disposed inside the case; a pressure sensor disposed at a bottom portion of the case; a non-transitory computer readable storage medium disposed inside the case and storing a plurality of program codes; and a processing unit disposed inside the case, wherein the processing unit is electrically connected with the gravity sensor and the pressure sensor and coupled with the computer readable storage medium, and the processing unit is configured for executing the program codes to perform the work-frequency reducing method of claim 1 .

7. The electronic device according to claim 6 , wherein the case further comprises: at least one pad disposed at the bottom portion of the case, wherein the pressure sensor is disposed inside the at least one pad or between adjacent two of the pads.

8. The electronic device according to claim 7 , wherein the pressure sensor is disposed between adjacent two of the pads in a point arrangement, a linear arrangement, or a planar arrangement.

9. The electronic device according to claim 6 , wherein the pressure sensor is disposed at the bottom portion of the case in a point arrangement, a linear arrangement, or a planar arrangement.