Devices and methods for battery power management of electronic systems

• US 20070164708A1
• Filed: 05/18/2006
• Published: 07/19/2007
• Est. Priority Date: 01/17/2006
• Status: Abandoned Application

• Current Assignee: BenQ Corporation (Qisda Corporation)
• Original Assignee: BenQ Corporation (Qisda Corporation)
• Inventors: Jiang, Ming
• Application Number:
  US11/436,656
• Publication Number:
  US 20070164708A1
• Time in Patent Office: Days
• US Class Current: 320/132
• CPC Class Codes: H01M 10/42 Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells H01M10/60 takes precedence
• CPC Class Codes: H01M 10/425 Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing printed circuits H05K1/00
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

An embodiment of a method for battery power management comprises the following steps. A first power consumption magnitude indicating the amount of battery power consumed when the portable electronic device is in standby mode is calculated. A second power consumption magnitude indicating the amount of battery power consumed for a dynamic function to be activated is estimated. A power storage magnitude indicating the remaining power of the battery is acquired. The remaining battery life is calculated according to the first and second power consumption magnitudes and the power storage magnitude.

Claims

1. A method for battery power management, performed by a portable electronic device powered by a battery, comprising:

calculating a first power consumption magnitude indicating the amount of battery power consumed when the portable electronic device is in standby node;

estimating a second power consumption magnitude indicating the amount of battery power consumed for a dynamic function to be activated;

acquiring a power storage magnitude indicating the remaining power of the battery; and

calculating the remaining battery life according to the first and second power consumption magnitudes and the power storage magnitude.

2. The method as claimed in claim 1 wherein the first power consumption magnitude indicates the amount of battery power consumed per minute when the portable electronic device is in standby mode, and is calculated by a formula:

${\mathrm{IS}}_{\mathrm{total}}=\underset{i=1}{\overset{n}{\sum <br><br>}}<br><br>\mathrm{Is}<br><br>\left[i\right]\times <br><br>\mathrm{Ic}<br><br>\left[i\right],$

n representing a quantity of static settings, Is[i] representing a magnitude indicating the amount of battery power consumed per minute for the ith static setting, Ic[i] representing an enabling status for the ith static setting, and, when the ith static setting is activated, Ic[i]=“

1”

, otherwise, Ic[i]=“

0”

.

3. The method as claimed in claim 2 further comprising:

acquiring the magnitude indicating the amount of battery power consumed per minute for each static setting by reading a power consumption mapping table; and

acquiring the enabling status for each static setting by reading a device configuration table.

4. The method as claimed in claim 1 wherein the second power consumption magnitude indicating the amount of battery power consumed per minute for the dynamic function to be activated, and is calculated by a formula:

${\mathrm{ID}}_{\mathrm{total}}=\left(\underset{j=1}{\overset{m}{\sum <br><br>}}<br><br>\mathrm{Id}<br><br>\left[j\right]\times <br><br>\mathrm{Ix}<br><br>\left[j\right]\right)/1440,$

m representing a quantity of dynamic functions, Id[j] representing a magnitude indicating the amount of battery power consumed per minute for the jth dynamic function, and Ix[j] representing an average usage time (in minutes) per day for the jth dynamic function.

5. The method as claimed in claim 4 wherein further comprising:

acquiring the magnitude indicating the amount of battery power consumed per minute for each dynamic function by reading a power consumption mapping table; and

acquiring the average usage time (in minutes) per day for each dynamic function by reading a usage history table.

6. The method as claimed in claim 1 wherein the remaining battery life is calculated by a formula,

Tr=B_total/(IS_total+ID_total),

B_total representing the acquired power storage magnitude, IS_total representing the first power consumption magnitude, and ID_total representing the second power consumption magnitude.

7. The method as claimed in claim 1 further comprising notifying the remaining battery life.

8. A device for battery power management of an electronic system, comprising:

a battery; and

a control unit coupling to the battery, calculating a first power consumption magnitude indicating the amount of battery power consumed when the portable electronic device is in standby mode, estimating a second power consumption magnitude indicating the amount of battery power consumed for a dynamic function to be activated, acquiring a power storage magnitude indicating the remaining power of the battery, calculating the remaining battery life according to the first and second power consumption magnitudes and the power storage magnitude, and notifying the remaining battery life.

9. The device as claimed in claim 8 wherein the first power consumption magnitude indicates the amount of battery power consumed per minute when the portable electronic device is in standby mode, and is calculated by a formula:

${\mathrm{IS}}_{\mathrm{total}}=\underset{i=1}{\overset{n}{\sum <br><br>}}<br><br>\mathrm{Is}<br><br>\left[i\right]\times <br><br>\mathrm{Ic}<br><br>\left[i\right],$

n representing a quantity of static settings, Is[i] representing a magnitude indicating the amount of battery power consumed per minute for the ith static setting, Ic[i] representing an enabling status for the ith static setting, and, when the ith static setting is activated, Ic[i]=“

1”

, otherwise, Ic[i]=“

0”

.

10. The device as claimed in claim 8 wherein the second power consumption magnitude indicating the amount of battery power consumed per minute for the dynamic flinction to be activated, and is calculated by a formula:

${\mathrm{ID}}_{\mathrm{total}}=\left(\underset{j=1}{\overset{m}{\sum <br><br>}}<br><br>\mathrm{Id}<br><br>\left[j\right]\times <br><br>\mathrm{Ix}<br><br>\left[j\right]\right)/1440,$

m representing a quantity of dynamic functions, Id[j] representing a magnitude indicating the amount of battery power consumed per minute for the jth dynamic function, and Ix[f] representing an average usage time (in minutes) per day for the jth dynamic function.

11. The device as claimed in claim 8 wherein the remaining battery life is calculated by a formula,

Tr=B_total/(IS_total+ID_total),

B_total representing the acquired power storage magnitude, IS_total representing the first power consumption magnitude, and ID_total representing the second power consumption magnitude.

12. The device as claimed in claim 8 further comprising a screen, wherein the control unit further directs the screen to display the remaining battery life.

13. A method for battery power management, performed by a portable electronic device powered by a battery, comprising:

receiving a request signal;

calculating the remaining battery life after admitting the request signal; and

notifying a prompt message comprising the remaining battery life to prompt users to confirm whether the portable electronic device executes an operation corresponding to the request signal,

wherein the request signal indicates that one of a plurality of dynamic functions is desired to be activated, or a plurality of original static settings are desired to be changed with a plurality of new static settings, and the operation activates the requested dynamic function or changes the original static settings with the new static settings.

14. The method as claimed in claim 13 wherein the request signal indicates that the dynamic, functions is desired to be activated, and the operation activates the requested dynamic function, the calculation step further comprising:

calculating a first power consumption magnitude indicating the amount of battery power consumed when the portable electronic device is in standby mode;

estimating a second power consumption magnitude indicating the amount of battery power consumed for the dynamic functions potentially to be activated;

acquiring a third power consumption magnitude indicating the amount of battery power consumed for the requested dynamic function;

acquiring a power storage magnitude indicating the remaining power of the battery; and

calculating the remaining battery life according to the first, second and third power consumption magnitudes and the power storage magnitude.

15. The method as claimed in claim 14 wherein the first power consumption magnitude indicates the amount of battery power consumed per minute when the portable electronic device is in standby mode, and is calculated by a formula:

${\mathrm{IS}}_{\mathrm{total}}=\underset{i=1}{\overset{n}{\sum <br><br>}}<br><br>\mathrm{Is}<br><br>\left[i\right]\times <br><br>\mathrm{Ic}<br><br>\left[i\right],$

n representing a quantity of static settings, Is[i] representing a magnitude indicating the amount of battery power consumed per minute for the ith static setting, Ic[i] representing an enabling status for the ith static setting, when the ith static setting is activated, Ic[i]=“

1”

, otherwise, Ic[i]=“

0”

, the second power consumption magnitude indicates the amount of battery power consumed per minute for the dynamic functions potentially to be activated, and is calculated by a formula;

${\mathrm{ID}}_{\mathrm{total}}=\left(\underset{j=1}{\overset{m}{\sum <br><br>}}<br><br>\mathrm{Id}<br><br>\left[j\right]\times <br><br>\mathrm{Ix}<br><br>\left[j\right]\right)/1440,$

m representing a quantity of dynamic functions, Id[j] representing a magnitude indicating the amount of battery power consumed per minute for the jth dynamic function, and Ix[j] representing an average usage time (in minutes) per day for the jth dynamic function, and, the remaining battery life is calculated by a formula,

Tr=B_total/(IS_total+ID_total+ID_temp),

B_total representing the acquired power storage magnitude, IS_total representing the first power consumption magnitude, ID_total representing the second power consumption magnitude, and ID_temp representing the third power consumption magnitude.

16. The method as claimed in claim 13 the request signal indicates that the dynamic functions are desired to be activated, and the operation activates the requested dynamic function, the calculation step further comprising:

calculating a first power consumption magnitude indicating the amount of battery power consumed when the portable electronic device is in standby mode;

estimating a second power consumption magnitude indicating the amount of battery power consumed for the dynamic functions potentially to be activated;

acquiring a power storage magnitude indicating the remaining power of the battery; and

calculating the remaining battery life according to the first and second power consumption magnitudes and the power storage magnitude.

17. The method as claimed in claim 16 wherein the first power consumption magnitude indicates the amount of battery power consumed per minute when the portable electronic device is in standby mode, and is calculated by a formula:

${\mathrm{IS}}_{\mathrm{total}}=\underset{i=1}{\overset{n}{\sum <br><br>}}<br><br>\mathrm{Is}<br><br>\left[i\right]\times <br><br>\mathrm{Ic}<br><br>\left[i\right],$

n representing a quantity of static settings, Is[i] representing a magnitude indicating the amount of battery power consumed per minute for the ith static setting, Ic[i] representing an enabling status for the ith static setting, when the ith static setting is activated, Ic[i]=“

1”

, otherwise, Ic[i]=“

0”

, the second power consumption magnitude indicates the amount of battery power consumed per minute for the dynamic functions potentially to be activated, and is calculated by a formula;

${\mathrm{ID}}_{\mathrm{total}}=\left(\underset{j=1}{\overset{m}{\sum <br><br>}}<br><br>\mathrm{Id}<br><br>\left[j\right]\times <br><br>\mathrm{Ix}<br><br>\left[j\right]\times <br><br>\mathrm{If}<br><br>\left[j\right]\right)/1440,$

m representing a quantity of dynamic functions, Id[j] representing a magnitude indicating the amount of battery power consumed per minute for the jth dynamic function, Ix[j] representing an average usage time (in minutes) per day for the jth dynamic function, and If[j] representing an enabling status for the jth dynamic function, when the jth dynamic function is activated, If[i]=“

1”

, otherwise, If [i]=“

0”

, and, the remaining battery life is calculated by a formula,

Tr=B_total/(IS_total+ID_total),

B_total representing the acquired power storage magnitude, IS_total representing the first power consumption magnitude, and ID_total representing the second power consumption magnitude.

18. The method as claimed in claim 17 wherein the enabling status of the dynamic function corresponding to voice/data communication is set to “

1”

.

19. The method as claimed in claim 13 wherein the request signal indicates that the original static settings are desired to be changed with the new static settings, and the operation changes the static settings with the new static settings, the calculation step further comprising:

calculating a first power consumption magnitude indicating the amount of battery power consumed when the portable electronic device with the new static settings is in standby mode;

estimating a second power consumption magnitude indicating the amount of battery power consumed for the dynamic functions to be activated;

acquiring a power storage magnitude indicating the remaining power of the battery; and

calculating the remaining battery life according to the first and second power consumption magnitudes and the power storage magnitude.

20. The method as claimed in claim 19 wherein the first power consumption magnitude indicates the amount of battery power consumed per minute when the portable electronic device with the new static settings is in standby mode, and is calculated by a formula:

${\mathrm{IS}}_{\mathrm{total}}=\underset{i=1}{\overset{n}{\sum <br><br>}}<br><br>\mathrm{Is}<br><br>\left[i\right]\times <br><br>\mathrm{Ic}<br><br>\left[i\right],$

n representing a quantity of static settings, Is[i] representing a magnitude indicating the amount of battery power consumed per minute for the ith static setting, Ik[i] representing a new enabling status for the ith static setting, when the new ith static setting is activated, Ic[i]=“

1”

, otherwise, Ic[i]=“

0”

, the second power consumption magnitude indicates the amount of battery power consumed per minute for the dynamic functions potentially to be activated, and is calculated by a formula;

${\mathrm{ID}}_{\mathrm{total}}=\left(\underset{j=1}{\overset{m}{\sum <br><br>}}<br><br>\mathrm{Id}<br><br>\left[j\right]\times <br><br>\mathrm{Ix}<br><br>\left[j\right]\right)/1440,$

m representing a quantity of dynamic functions, Id[j] representing a magnitude indicating the amount of battery power consumed per minute for the jth dynamic function, and Ix[j] representing an average usage time (in minutes) per day for the jth dynamic function, and, the remaining battery life is calculated by a formula,

Tr=B_total/(IS_total+ID_total),

B_total representing the acquired power storage magnitude, IS_total representing the first power consumption magnitude, and ID_total representing the second power consumption magnitude.

21. A device for battery power management of an electronic system, comprising:

a battery; and

a control unit coupling to the battery, receiving a request signal, calculating the remaining battery life after admitting the request signal, and notifying a prompt message comprising the remaining battery life to prompt users to confirm whether that the portable electronic device executes an operation corresponding to the request signal,

wherein the request signal indicates that one of plurality of dynamic functions is desired to be activated, or indicates that a plurality of original static settings are desired to be changed with a plurality of new static settings, and the operation activates the requested dynamic function or changes the original static settings with the new static settings.

22. The device as claimed in claim 21 wherein the request signal indicates that the dynamic functions is desired to be activated, the operation activates the requested dynamic function, and the control unit further calculates a first power consumption magnitude indicating the amount of battery power consumed when the portable electronic device is in standby mode, estimates a second power consumption magnitude indicating the amount of battery power consumed for the dynamic functions potentially to be activated, acquires a power storage magnitude indicating the remaining power of the battery and calculates the remaining battery life according to the first and second power consumption magnitudes and the power storage magnitude.

23. The device as claimed in claim 21 wherein the request signal indicates that the original static settings are desired to be changed with the new static settings, and the operation changes the static settings with the new static settings, and the control unit further calculates a first power consumption magnitude indicating the amount of battery power consumed when the portable electronic device with the new static settings is in standby mode, estimates a second power consumption magnitude indicating the amount of battery power consumed for the dynamic functions to be activated, acquires a power storage magnitude indicating the remaining power of the battery and calculates the remaining battery life according to the first and second power consumption magnitudes and the power storage magnitude.

24. The device as claimed in claim 21 further comprising a screen, wherein the control unit directs the screen to display the prompt message comprising the remaining battery life.

25. A method for battery power, management, performed by a portable electronic device powered by a battery, comprising:

estimating a power consumption magnitude indicating the amount of battery power consumed for a dynamic function to be activated;

acquiring a power storage magnitude indicating the remaining power of the battery; and

calculating the remaining battery life according to the power consumption magnitude and the power storage magnitude.

26. The method as claimed in claim 25 wherein the second power consumption magnitude indicates the amount of battery power consumed per minute for the dynamic function to be activated, and is calculated by a formula:

${\mathrm{ID}}_{\mathrm{total}}=\left(\underset{j=1}{\overset{m}{\sum <br><br>}}<br><br>\mathrm{Id}<br><br>\left[j\right]\times <br><br>\mathrm{Ix}<br><br>\left[j\right]\times <br><br>\mathrm{If}<br><br>\left[j\right]\right)/1440,$

m representing a quantity of dynamic fimctions, Id[j] representing a magnitude indicating the amount of battery power consumed per minute for the jth dynamic function, Ix[j] representing an average usage time (in minutes) per day for the jth dynamic function, and If[J] representing an enabling status for the jth dynamic function, when the jth dynamic function is activated;

If [i]=“

1”

, otherwise, If [i]=“

0”

.