TWI488036B - Electronic device capable of reducing idle power and method thereof - Google Patents

Description

Electronic device capable of reducing standby power consumption and method thereof

The present invention relates to an electronic device and a method thereof for reducing standby power consumption, and more particularly to an electronic device and method for automatically setting a peak period and a peak period to effectively reduce standby power consumption.

With the advancement and development of technology, a variety of electronic devices (such as mobile phones, personal digital assistants, tablets, etc.) have gradually become an indispensable necessity in people's daily lives. In order to meet the different needs of users, the functions of electronic devices are becoming more and more diverse, for example, sending and receiving emails, browsing the web, taking pictures, taking pictures, playing music, and the like. Since the electronic device is usually powered by the battery installed therein, the more the function is performed, the faster the battery power consumption, and the standby time of the electronic device is greatly shortened. If the battery cannot be charged immediately, it will cause trouble to the user. Therefore, how to effectively reduce standby power consumption has become an important research topic in designing electronic devices.

Accordingly, it is an object of the present invention to provide an electronic device and method thereof that can reduce standby power consumption to solve the above problems.

According to an embodiment, an electronic device capable of reducing standby power consumption of the present invention includes a storage unit, a first electronic unit, at least a second electronic unit, and a processing unit. The storage unit is configured to store at least one peak period and at least one off peak period. The processing unit is electrically connected to the storage unit, the first electronic unit and the at least one second electronic unit for automatically setting at least one peak period and at least one off-peak period according to a time interval from the first electronic unit being turned off to on. The processing unit turns off at least one second electronic unit during at least one off-peak period and turns on at least one second electronic unit during at least one peak period.

According to another embodiment, the method of the present invention for reducing standby power consumption is applied to an electronic device, wherein the electronic device includes a first electronic unit and at least a second electronic unit. The method for reducing standby power consumption includes: automatically setting at least one peak period and at least one off-peak period according to a time interval from the first electronic unit being turned off to on; and turning off at least one second electronic unit during at least one off-peak period; Opening at least one second electronic unit during at least one peak period.

In summary, the present invention automatically sets the peak period (ie, the electronic device is in use) and the off-peak period (ie, the electronic device is in accordance with the time interval from the first electronic unit (eg, display) from off to on. Standby state), and during the off-peak period, the second electronic unit (for example, a backlight module, a network module, a speaker, or a combination thereof) that is temporarily unavailable for use is turned off. Thereby, the standby power consumption of the electronic device can be effectively reduced.

The advantages and spirit of the present invention will be further understood from the following detailed description of the invention.

Please refer to FIG. 1 and FIG. 2 . FIG. 1 is a functional block diagram of an electronic device 1 capable of reducing standby power consumption according to an embodiment of the present invention, and FIG. 2 is a self-closing to opening according to the first electronic unit 12 . The time interval is used to set a schematic diagram of the peak period and the peak period.

As shown in FIG. 1 , the electronic device 1 capable of reducing standby power consumption includes a storage unit 10 , a first electronic unit 12 , at least a second electronic unit 14 , a processing unit 16 , and an input unit 18 . 16 is electrically connected to the storage unit 10, the first electronic unit 12, the second electronic unit 14, and the input unit 18. In this embodiment, the electronic device 1 can be a mobile phone, a personal digital assistant, a tablet computer, etc.; the storage unit 10 can be a memory, a memory card, a hard disk, or other data storage device; the first electronic unit 12 can be a display (eg, The liquid crystal display, but not limited thereto; the second electronic unit 14 may include a backlight module, a network module, a speaker, or a combination thereof, but is not limited thereto; and the processing unit 16 may have a data processing function. The processor or controller; the input unit 18 can be a touch panel, a button or other input device. Generally, the electronic device 1 is also provided with soft and hard components necessary for operation, such as a power supply, an operating system, an application program, a communication module, etc., depending on the actual application. It should be noted that the number of the second electronic units 14 is determined according to the actual application, and is not limited to the embodiment illustrated in the drawings.

The storage unit 10 is configured to store at least one peak period and at least one off-peak period, and the processing unit 16 automatically sets at least one peak period and at least one off-peak period according to the time interval from the first electronic unit 12 being turned off to on. As shown in Figure 2, assuming a processing order The element 16 automatically sets the peak period and the off-peak period according to the time interval from the first electronic unit 12 to the on period from the off to the on in the predetermined period Ti-Tf, wherein the length of the predetermined period Ti-Tf can be set according to the actual application. For example, the predetermined period Ti-Tf may be one day, three days, one week, etc., depending on the actual application. As shown in FIG. 2, the first electronic unit 12 has three time intervals from off to on in the predetermined period Ti-Tf, which are respectively t1-t2, t3-t4, and t5-t6.

In this embodiment, the processing unit 16 can automatically set at least one peak period and at least one off-peak period according to the maximum time interval from the first electronic unit 12 to the on period of the predetermined period Ti-Tf. As shown in FIG. 2, the maximum time interval from the first electronic unit 12 to the on-time in the predetermined period Ti-Tf is t3-t4. For example, if the predetermined period Ti-Tf is three days, and the maximum time interval t3-t4 is from 23:00 in the evening to 8:00 in the next morning, the processing unit 16 may be one day (0:00-24:00). The unit automatically sets two off-peak times (ie, 0:00-8:00 and 23:00-24:00) and a peak time (ie 8:00-23:00), and will set the departure The peak time and the peak time are stored in the storage unit 10. In other words, the present invention determines whether the electronic device 1 is in a use state or a standby state by the closing and opening of the first electronic unit 12, wherein the peak period indicates that the electronic device 1 is in use, and the above-mentioned peak period indicates The electronic device 1 is in a standby state.

It should be noted that, when the electronic device 1 is shipped from the factory, a predetermined set of off-peak time and peak time may be stored in the storage unit 10, and after the processing unit 16 calculates a new off-peak time and a peak time according to the above manner. , updated with new off-peak time and peak time Preset peak time and peak time.

In this embodiment, the processing unit 16 controls the first electronic unit 12 to be automatically turned off after the input unit 18 is idle for a period of time or manually closed by a user, and the first electronic unit 12 is manually turned on by the user, wherein the first If the electronic unit 12 is automatically turned off by the processing unit 16 after being idle for a period of time, the processing unit 16 determines that the user has not used the first electronic unit 12 of the electronic device 1 during this period of time. In other words, the peak time and the off-peak time of the present invention are automatically set according to the usage habit of the first electronic unit 12 of the user using the electronic device 1.

During use of the electronic device 1, the processing unit 16 will turn off the second electronic unit 14 during the set off-peak period and turn on the second electronic unit 14 during the set spike period. For example, if the second electronic unit 14 is a network module, the processing unit 16 will shut down the network module during the set off-peak period, so that the electronic device 1 does not pass through the network module when in the standby state. The data is sent and received to reduce standby power consumption, and the processing unit 16 turns on the network module during the set spike period, so that the electronic device 1 can be used to send and receive data through the network module again when the electronic device 1 is in use. It should be noted that, if the user manually turns on the first electronic unit 12 during the off-peak period, so that the electronic device 1 changes from the standby state to the use state, the processing unit 16 also automatically turns on the second electronic unit 14.

In this embodiment, the processing unit 16 may turn off the second electronic unit 14 after a period of time from the beginning of the peak period. For example, if the second electronic unit 14 is a network module, the network module may still send and receive data at the beginning of the peak period, in order to maintain data collection. The integrity of the transmission, the processing unit 16 can turn off the network module after a period of time from the peak period (for example, three minutes, five minutes, etc.). Of course, the processing unit 16 can also turn off the second electronic unit 14 immediately after the start of the peak period, depending on the actual application.

In this embodiment, the first electronic unit 12 and/or the at least one second electronic unit 14 can be changed by a user setting. In other words, the user can choose to automatically set the peak time and the off-peak time according to the usage habits of the different first electronic units 12, and select which second electronic units 14 are turned off and not off during the off-peak time. For example, if the first electronic unit 12 is a display or a speaker, the processing unit 16 automatically sets at least one peak period and at least one off-peak period according to the time interval from the off or on of the display or the speaker, and so on. In addition, if the user wants to continuously send and receive data through the network module during the off-peak period, the user can set the network module to not turn off during the off-peak time, and so on.

In this embodiment, the processing unit 16 can automatically update the peak period and the off-peak period in the above manner every predetermined period (for example, one day, three days, one week, etc.) to avoid the first use of the electronic device 1 by the user. When the usage habit of the electronic unit 12 is changed, it is troubled by the previously set peak period and off-peak period. Preferably, the processing unit 16 can automatically update the peak period and the off-peak period every predetermined period by a running average method, so that the setting of the peak period and the off-peak period can be close to the user's use of the electronic device at any time. The usage habit of the first electronic unit 12 of 1. It should be noted that the dynamic averaging method is well known to those skilled in the art and will not be described herein. Of course, the present invention can also automatically update the peak period and the peak period in other ways, for example, one. The new peak period and the off-peak period calculated during the period (eg, one day, three days, one week, etc.) directly replace the original peak period and the off-peak period.

Please refer to FIG. 3, which is a flow chart of a method for reducing standby power consumption according to an embodiment of the invention. The method for reducing standby power consumption in FIG. 3 is applied to the electronic device 1 in FIG. First, step S100 is performed to automatically set at least one peak period and at least one off-peak period according to a time interval from the first electronic unit 12 being turned off to on. Next, step S102 is performed to turn off at least one second electronic unit 14 during at least one off-peak period. Next, step S104 is performed to turn on at least one second electronic unit 14 during at least one peak period. It should be noted that the detailed operation mode and the operation principle are as described above, and details are not described herein again.

In addition, the control logic of the method for reducing standby power consumption shown in FIG. 3 can be implemented by software design. Of course, each part or function of these control logic can be realized by a combination of software, hardware or software and hardware. In addition, the control logic can be embodied in a computer readable storage medium, wherein the computer can read the representative information stored in the storage medium and can be executed by the electronic device 1 to generate a control command, thereby controlling the electronic The device 1 performs the corresponding function.

In summary, the present invention automatically sets the peak period (ie, the electronic device is in use) and the off-peak period (ie, the electronic device is in accordance with the time interval from the first electronic unit (eg, display) from off to on. Standby state), and during the off-peak period, the second electronic unit (for example, backlight module, network) that is temporarily unavailable for use is turned off. Module, speaker or a combination thereof). Thereby, the standby power consumption of the electronic device can be effectively reduced.

The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.

1‧‧‧Electronic device

10‧‧‧ storage unit

12‧‧‧First electronic unit

14‧‧‧Second electronic unit

16‧‧‧Processing unit

18‧‧‧ Input unit

S100-S104‧‧‧Steps

1 is a functional block diagram of an electronic device capable of reducing standby power consumption according to an embodiment of the present invention.

Figure 2 is a schematic diagram showing the setting of the peak period and the off-peak period according to the time interval from the first electronic unit being turned off to on.

FIG. 3 is a flow chart of a method for reducing standby power consumption according to an embodiment of the invention.

S100-S104‧‧‧Steps

Claims (18)

An electronic device capable of reducing standby power consumption, comprising: a storage unit for storing at least one peak period and at least one off-peak period; a first electronic unit; at least one second electronic unit; and a processing unit, electrical Connected to the storage unit, the first electronic unit, and the at least one second electronic unit, for automatically setting the at least one peak period and the at least one off peak period according to a time interval from the first electronic unit being turned off to on, The processing unit turns off the at least one second electronic unit during the at least one off-peak period and turns on the at least one second electronic unit during the at least one peak period. The electronic device capable of reducing standby power consumption as claimed in claim 1, wherein the first electronic unit is a display. The electronic device capable of reducing standby power consumption as described in claim 1, wherein the at least one second electronic unit comprises a backlight module, a network module, a speaker, or a combination thereof. The electronic device capable of reducing standby power consumption according to claim 1, wherein the processing unit automatically sets the at least one peak period and the at least one according to a maximum time interval from the first electronic unit to the first electronic unit during a predetermined period of time During the peak period. The electronic device capable of reducing standby power consumption according to claim 1, wherein the processing unit turns off the at least one second electronic unit after a period of time since the at least one off-peak period begins. The electronic device capable of reducing standby power consumption as described in claim 1 , further comprising an input unit electrically connected to the processing unit, wherein the first electronic unit is automatically turned off or used by the input unit after being idle for a period of time The manual is turned off manually, and the first electronic unit is manually turned on by the user. The electronic device capable of reducing standby power consumption as claimed in claim 1, wherein the processing unit automatically updates the at least one peak period and the at least one off-peak period every predetermined period. The electronic device capable of reducing standby power consumption as claimed in claim 7, wherein the processing unit automatically updates the at least one peak period and the at least one off-peak period every other predetermined period by a dynamic averaging method. The electronic device capable of reducing standby power consumption as described in claim 1, wherein the first electronic unit and/or the at least one second electronic unit can be changed by a user setting. A method for reducing standby power consumption, which is applied to an electronic device, the electronic device comprising a first electronic unit and at least a second electronic unit, the method comprising: automatically, according to a time interval from the first electronic unit to being turned off to on Set at least a peak period and at least one off-peak period; turning off the at least one second electronic unit during the at least one off-peak period; and turning on the at least one second electronic unit during the at least one peak period. The method of claim 10, wherein the first electronic unit is a display. The method of claim 10, wherein the at least one second electronic unit comprises a backlight module, a network module, a speaker, or a combination thereof. The method of claim 10, wherein the automatic setting step comprises: automatically setting the at least one peak period according to a maximum time interval from the first electronic unit to the first electronic unit during a predetermined period of time. At least one off peak period. The method of claim 10, wherein the step of shutting down comprises: turning off the at least one second electronic unit after a period of time beginning of the at least one off-peak period. The method of claim 10, wherein the electronic device comprises an input unit, the first electronic unit is automatically turned off after being idle for a period of time or manually closed by a user, and the first An electronic unit is used by the Manually open. The method of claim 10, wherein the standby power consumption is reduced, and the method further comprises: automatically updating the at least one peak period and the at least one off-peak period every predetermined period. The method of claim 16, wherein the automatic updating step comprises: automatically updating the at least one peak period and the at least one off-peak period every other predetermined period by a dynamic averaging method. The method of claim 10, wherein the first electronic unit and/or the at least one second electronic unit are changeable by a user setting.