CN107332313A - Electronic equipment and its charging method - Google Patents

Abstract

Present disclose provides a kind of method charged to the battery of electronic equipment, including：Power supply adaptor connects external power source, while being connected with the electronic equipment；Determine the state of the electronic equipment；And according to the state of the electronic equipment, adjust the voltage that the power supply adaptor is exported to the electronic equipment.Additionally provide a kind of electronic equipment.

Description

Electronic device and charging method thereof

technical field

The present disclosure relates to charge and discharge technologies, and more particularly, to an electronic device and a charging method thereof.

Background technique

With the development of electronic equipment, especially portable electronic equipment, there are more and more various equipment related to portable electronic equipment. The power adapter is a power supply conversion device for portable electronic devices, commonly found in small electronic devices such as mobile phones, LCD monitors, and notebook computers. When the power adapter is connected to the electronic equipment and at the same time connected to the external power supply, the electronic equipment is powered by the external power supply through the power adapter. Electronic devices are also usually equipped with rechargeable batteries inside. When the electronic device is not connected to the power adapter, it is powered by the rechargeable battery.

Currently, one type of power adapter, such as Thinkpad type-C, is capable of outputting various voltages. However, when the ThinkPad type-C power adapter is connected to an electronic device, it will still supply power to the electronic device with a fixed voltage output. This leads to low efficiency.

Therefore, there is a need for a solution that can utilize the multi-voltage output capability of the power adapter to improve charging efficiency.

Contents of the invention

One aspect of the present disclosure provides a method for charging a battery of an electronic device, including: a power adapter connected to an external power source and simultaneously connected to the electronic device; determining the state of the electronic device; and state, adjusting the output voltage of the power adapter to the electronic device.

According to one embodiment, according to the state of the electronic device, adjusting the output voltage of the power adapter to the electronic device includes: when it is determined that the electronic device is not in a power-on state, reading information of a battery of the electronic device; and The voltage to be output to the electronic device is determined according to the information of the battery.

According to an embodiment, the information of the battery includes the attributes of the battery and the charging voltage corresponding to the attributes, and wherein, according to the information of the battery, determining the voltage to be output to the electronic device includes: going to The voltage output to the electronic device is set as the determined charging voltage.

According to an embodiment, the information of the battery includes the real-time charging voltage of the battery, and wherein, determining the voltage to be output to the electronic device according to the information of the battery includes: the voltage to be output to the electronic device It is set as the sum of the real-time charging voltage of the battery and a predetermined difference.

According to one embodiment, according to the state of the electronic device, the voltage output by the power adapter to the electronic device is adjusted: when it is determined that the electronic device is in a power-on state, the power consumption of the system and the rated output of the power adapter are determined; and When the power consumption of the system is less than the rated output of the power adapter, the voltage to be output to the electronic device is set to a voltage corresponding to the charging voltage of the battery.

Another aspect of the present disclosure provides an electronic device, including: a battery capable of charging and discharging; a processor; a memory storing machine-executable instructions, and the instructions, when executed by the processor, cause the processor to perform the following operations : determining whether it is connected to the power adapter; determining the state of the electronic device; and adjusting the output voltage of the power adapter to the electronic device according to the state of the electronic device.

Another aspect of the present disclosure provides a non-volatile storage medium storing computer-executable instructions, which are used to implement the above method when executed.

Another aspect of the present disclosure provides a computer program comprising computer-executable instructions for implementing the method as described above when executed.

Description of drawings

For a more complete understanding of the present disclosure and its advantages, reference should now be made to the following description taken in conjunction with the accompanying drawings, in which:

FIG. 1 schematically shows a schematic diagram of a scene to which an embodiment of the present disclosure is applicable;

FIG. 2 shows a flowchart of a method for charging a battery of an electronic device according to an embodiment of the present disclosure;

FIG. 3 shows a flowchart of an example of operation S230 according to an embodiment of the present disclosure;

FIG. 4 schematically shows a block diagram of an electronic device according to an embodiment of the present disclosure; and

Fig. 5 schematically shows a block diagram of an electronic device according to another embodiment of the present disclosure.

detailed description

Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. It should be understood, however, that these descriptions are exemplary only, and are not intended to limit the scope of the present disclosure. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present disclosure.

The terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting of the present disclosure. The words "a", "an" and "the" used herein shall also include the meanings of "plurality" and "multiple", unless the context clearly indicates otherwise. In addition, the terms "comprising", "comprising", etc. used herein indicate the existence of stated features, steps, operations and/or components, but do not exclude the existence or addition of one or more other features, steps, operations or components .

All terms (including technical and scientific terms) used herein have the meaning commonly understood by one of ordinary skill in the art, unless otherwise defined. It should be noted that the terms used herein should be interpreted to have a meaning consistent with the context of this specification, and not be interpreted in an idealized or overly rigid manner.

Some block diagrams and/or flowcharts are shown in the figures. It will be understood that some or combinations of blocks in the block diagrams and/or flowcharts can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, so that these instructions, when executed by the processor, can be created to implement the functions illustrated in these block diagrams and/or flowcharts /operated device.

Accordingly, the techniques of the present disclosure may be implemented in hardware and/or software (including firmware, microcode, etc.). Additionally, the technology of the present disclosure may take the form of a computer program product on a computer-readable medium having instructions stored thereon for use by or in connection with an instruction execution system. In the context of the present disclosure, a computer-readable medium is any medium that can contain, store, convey, propagate or transport instructions. For example, a computer readable medium may include, but is not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, device, or propagation medium. Specific examples of computer-readable media include: magnetic storage, such as magnetic tape or hard disk (HDD); optical storage, such as compact disc (CD-ROM); memory, such as random access memory (RAM) or flash memory; and/or wired / wireless communication link.

Embodiments of the present disclosure provide a method of charging a battery of an electronic device. First, connect the power adapter to an external power source and connect it to the electronic device. Then, the state of the electronic device is determined. Finally, according to the determined state of the electronic device, the voltage output by the power adapter to the electronic device is adjusted. According to the embodiments of the present disclosure, the output voltage of the power adapter can be adaptively adjusted according to different scenarios, and the battery can be charged quickly, thereby improving the charging efficiency.

Fig. 1 schematically shows a schematic diagram of a scene to which an embodiment of the present disclosure is applicable.

As shown in FIG. 1 , a power adapter 110 is provided for the electronic device 100 . When needed, the electronic device 100 is connected to the power adapter 110 , and the power adapter 110 is then connected to the external power source 120 . The external power supply 120 is shown as a wall outlet. In fact, the external power supply can also be other devices that provide power.

The electronic device 100 can be any electronic device, such as a tablet computer, a notebook, a microcomputer, an e-book, or even an Internet TV box, a smart TV, etc., and can be manipulated in different states. For example, an electronic device such as a tablet computer or a notebook can usually be turned off when not in use, turned on when in use, and enters a standby state when the user does not operate for a long time after turning on the device. As another example, electronic devices such as Internet TV boxes are usually turned off when not in use, and turned on when in use. They can perform online searches according to user needs and feed back search results to users, and obtain resources selected by users.

In the following description, a notebook is used as an example for description. Certainly, those skilled in the art may recognize that the embodiments of the present disclosure are not limited thereto.

Not shown in FIG. 1 , the electronic device 100 is usually equipped with a battery inside, and the battery can be charged and discharged. When the electronic device 100 is not connected to the power adapter 110 , if the user turns on the electronic device 100 and the electronic device 100 enters a power-on mode, the battery is used to supply power to various components working in the electronic device 100 . This drains battery power. If the electronic device 100 is connected to the power adapter 110 , but the power adapter 110 is not connected to an external power source, the power adapter 110 does not work at this time, and the electronic device 100 is still powered by the battery. However, if the power adapter 110 is connected to an external power source at this time, the electronic device 100 is usually powered by the external power source. At this time, the power adapter 110 converts the current from the external power source, usually AC power, into DC power suitable for the electronic device 100 , and provides the converted DC power to the electronic device 100 . In this case, the battery is idle. Furthermore, if the power of the battery is insufficient and the charging circuit of the electronic device detects that the power of the battery is lower than a set value, the battery power adapter 110 is also used to charge the battery. That is, the power adapter charges the battery while supplying power to the electronic device. When the power of the battery reaches the set value, the power adapter stops charging the battery.

In order to increase the voltage of the battery, multiple batteries are usually connected in series to form a battery pack. A battery pack composed of two batteries connected in series is called a 2S battery, and a battery pack composed of three batteries connected in series is called a 3S battery. For example, the rated voltage of a lithium battery is 3.6v and the charging voltage is 4.2v, then the rated voltage and charging voltage of a 2S battery are 7.2v and 8.4v respectively, and the rated voltage and charging voltage of a 3S battery are 10.8v and 12.6v respectively , The rated voltage and charging voltage of the 4S battery are 14.4v and 16.8v respectively.

Usually, the power adapter outputs a fixed voltage. However, there are currently some power adapters, such as the Thinkpad type-C power adapter, that can output multiple voltages. Embodiments of the present disclosure utilize this characteristic of the power adapter to improve charging efficiency.

FIG. 2 shows a flowchart of a method 200 for charging a battery of an electronic device according to an embodiment of the present disclosure.

As shown in FIG. 2 , the method 200 includes operation S210 , connecting the power adapter (for example, 110 ) to an external power source and at the same time connecting it to the electronic device 100 . Then in operation S220, the state of the electronic device is determined. Finally, in operation S230, the voltage output by the power adapter to the electronic device is adjusted according to the state of the electronic device.

As mentioned above, when the power of the battery of the electronic device is insufficient, the power adapter uses the energy from the external power source to supply power to the electronic device and charge the battery in the electronic device. Therefore, it is necessary to connect the electronic device to an external power source through a power adapter in operation S210.

Different electronic devices have different states. For example, for a notebook computer, its state includes a power-on state, a sleep state, a standby state, a power-off state, and the like. For electronic equipment such as Internet TV boxes, it usually also has a power-off state and a power-on state.

Electronic devices are in different states, and their power consumption is different. For example, an electronic device that is turned on consumes a large amount of energy due to the various components inside it needing to work properly. However, an electronic device in a shutdown state does not consume energy because various internal components are not working. For electronic devices in sleep and standby states, since most of their internal components are not working, only some components are kept working so that when the electronic device re-enters the power-on mode (working mode), it can quickly resume its sleep/standby state The previous state, so its power consumption is relatively low.

According to an embodiment of the present disclosure, determining the state of the electronic device in operation S220 includes detecting whether the electronic device is in a power-on state, a sleep state, a standby state, a working state, a power-off state, and the like.

Then in operation S230, the voltage output by the power adapter to the electronic device is adjusted according to the state of the electronic device.

FIG. 3 shows a flowchart of an example of operation S230 according to an embodiment of the present disclosure.

As an example, if it is determined in operation S220 that the electronic device is in the power-on state, operation S230 includes operation S2302 of determining system power consumption and a rated output of the power adapter. If it is determined that the power consumption of the system is less than the rated output of the power adapter, then in operation S2304, the voltage to be output by the power adapter to the electronic device is set to a voltage corresponding to the charging voltage of the battery; If the power consumption is not less than the rated output of the power adapter, then in operation S2306, set the power adapter to output at a fixed voltage; if it is determined in operation S220 that the electronic device is not in the power-on state, then operation S230 includes operation S2308, reading the battery voltage of the electronic device information; and operation S2310, determine the voltage to be output to the electronic device according to the information of the battery.

As an example, if it is determined in operation S220 that the electronic device is in the power-on state, and in operation S2302 it is determined that the system power consumption is 45W, and the rated output of the power adapter is 65W or above (for example, 90W), then in operation S2304, For example, for 2S batteries, the corresponding charging voltage is usually 9V or 15V. In this case, the output of the power adapter can be set to 15V/3A, 9V/5A, etc., so that the external power supply can be used through the power adapter. The battery charges quickly and provides power for the normal operation of the electronic device. For example, for a 3S battery, the output of the power adapter can be set to 20V/3.25A to charge the battery quickly.

As another example, if it is determined in operation S2302 that the system power consumption is 45W and the rated output of the power adapter is 45W or even lower, such as 35W, then in operation S2306, the power adapter is set to output at a fixed voltage. For example, whether it is a 2S battery or a 3S battery, the power adapter outputs at 9V/5A.

As an example, if it is determined in operation S220 that the electronic device is not in a power-on state, for example, the electronic device is in a sleep state/hibernation state/off state, then the method proceeds to operation S2308 to read battery information.

In one embodiment according to the present disclosure, the battery information includes attributes of the battery and charging voltages corresponding to the attributes. In this case, operation S2310 includes setting a voltage to be output to the electronic device as the determined charging voltage.

For example, the battery may be a 2S, 3S or 4S battery. The charging voltage corresponding to the 2S battery can be 9V, the charging voltage corresponding to the 3S battery can be 15V, and the charging voltage corresponding to the 4S battery can be 20V. Therefore, in operation S2310, for the 2S, 3S or 4S battery, the voltage to be output by the power adapter is set to 9V, 15V or 20V, respectively.

In another embodiment according to the present disclosure, the battery information includes the real-time charging voltage of the battery. In this case, operation S2310 includes setting the voltage to be output to the electronic device as the sum of the real-time charging voltage of the battery and a predetermined difference.

For example, the charging circuit of the electronic device reads the real-time charging current value of the battery, and sends the obtained charging current value to the power adapter. The power adapter determines the real-time charging voltage of the battery according to the constant current-constant voltage (CC-CV) conversion during the charging process. In an embodiment according to the present disclosure, a predetermined difference is set, for example, 3V. For example, if it is determined that the real-time charging voltage of the battery is 9V, then in operation S2310, the voltage to be output by the power adapter is set to 9V+3V, that is, 12V. The 12V output by the power adapter is converted by the charging circuit into 9.V to charge the battery.

The predetermined difference according to the embodiment of the present disclosure may be set according to actual conditions. For example, for different types of electronic devices, specifically, for different charging circuits, the predetermined difference may be set to, for example, 2.5V or 3.5V.

According to the embodiments of the present disclosure, adjusting the output voltage of the power adapter according to different states of the electronic device can quickly charge the battery of the electronic device and improve charging efficiency.

Fig. 4 schematically shows a block diagram of an electronic device 400 according to an embodiment of the present disclosure.

As shown in FIG. 4 , the electronic device 400 includes a connection status determination module 410 , a device status determination module 420 and a voltage regulation module 430 . The electronic device 400 can execute the methods described above with reference to FIGS. 2 to 3 , so as to adjust the output voltage of the power adapter.

Specifically, the connection state determination module 410 may determine whether the electronic device is connected to a power adapter, and whether the power adapter is connected to an external power source. The device state determination module 420 is used to determine the state of the electronic device, such as the power-on state and the non-power-on state. The voltage regulation module 430 is used to adjust the voltage output by the power adapter to the electronic device according to the state of the electronic device.

According to the embodiments of the present disclosure, the voltage output by the power adapter can be adjusted according to the state of the electronic device itself, the property (category) of the battery, and even the real-time charging voltage of the battery. For details, refer to the above description with reference to FIGS. 2 to 3 , which will not be repeated here.

It can be understood that the connection state determination module 410, the device state determination module 420 and the voltage regulation module 430 may be implemented in one module, or any one of the modules may be divided into multiple modules. Alternatively, at least part of the functions of one or more of these modules may be combined with at least part of the functions of other modules and implemented in one module. According to an embodiment of the present invention, at least one of the connection state determination module 410, the device state determination module 420 and the voltage regulation module 430 may be at least partially implemented as a hardware circuit, such as a field programmable gate array (FPGA), programmable logic array (PLA), system-on-chip, system-on-substrate, system-on-package, application-specific integrated circuit (ASIC), or any other reasonable means of integrating or packaging circuits that may be implemented in hardware or firmware, or in software , hardware and firmware to achieve the appropriate combination of three implementations. Alternatively, at least one of the connection state determination module 410, the device state determination module 420 and the voltage regulation module 430 may be at least partially implemented as a computer program module, and when the program is executed by a computer, the functions of the corresponding modules may be performed.

Fig. 5 schematically shows a block diagram of an electronic device 500 according to another embodiment of the present disclosure.

As shown in FIG. 5 , an electronic device 500 includes a processor 510 , a computer-readable storage medium 520 and a battery 530 . The electronic device 500 can execute the methods described above with reference to FIGS. 2 to 3 , so as to adjust the output voltage of the power adapter.

Specifically, the processor 510 may include, for example, a general-purpose microprocessor, an instruction set processor and/or a related chipset and/or a special-purpose microprocessor (eg, an application-specific integrated circuit (ASIC)), and the like. Processor 510 may also include on-board memory for caching purposes. The processor 510 may be a single processing unit or a plurality of processing units for executing different actions of the method flow according to the embodiment of the present disclosure described with reference to FIG. 2 to FIG. 3 .

The computer-readable storage medium 520, for example, may be any medium capable of containing, storing, transmitting, propagating or transmitting instructions. For example, a readable storage medium may include, but is not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, device, or propagation medium. Specific examples of readable storage media include: magnetic storage, such as magnetic tape or hard disk (HDD); optical storage, such as compact disc (CD-ROM); memory, such as random access memory (RAM) or flash memory; and/or wired / wireless communication link.

The computer-readable storage medium 520 may include a computer program 521, and the computer program 521 may include code/computer-executable instructions that, when executed by the processor 510, cause the processor 510 to perform, for example, the methods described above in conjunction with FIGS. 2-3 . process and any variations thereof.

The computer program 521 may be configured to have, for example, computer program codes including computer program modules. For example, in an example embodiment, the code in the computer program 521 may include one or more program modules, such as including 521A, module 521B, . . . . It should be noted that the division method and number of modules are not fixed, and those skilled in the art can use appropriate program modules or program module combinations according to actual conditions. When these program module combinations are executed by the processor 510, the processor 510 can Execute, for example, the flow of the method described above in conjunction with FIGS. 2 to 3 and any variants thereof.

For example, the instructions, when executed by the processor, cause the processor to perform the following operations: determine whether it is connected to the power adapter; determine the state of the electronic device; and adjust the power adapter to the The output voltage of the above electronic equipment. According to one embodiment, when the instructions are executed by the processor, the processor further performs the following operations: when it is determined that the electronic device is not in the power-on state, read the information of the battery; and determine according to the information of the battery The voltage to be output to the electronic device. According to an embodiment, the information of the battery includes the attribute of the battery and the charging voltage corresponding to the attribute. At this time, when the instruction is executed by the processor, the processor also performs the following operations: The voltage output by the electronic device is set as the determined charging voltage. According to an embodiment, the information of the battery includes the real-time charging voltage of the battery. At this time, when the instructions are executed by the processor, the processor further enables the processor to perform the following operation: setting the voltage to be output to the electronic device as the sum of the real-time charging voltage of the battery and a predetermined difference. According to one embodiment, when the instructions are executed by the processor, the processor further performs the following operations: when determining that the electronic device is in the power-on state, determine the power consumption of the system and the rated output of the power adapter; When it is less than the rated output of the power adapter, the voltage to be output to the electronic device is set to a voltage corresponding to the charging voltage of the battery.

According to an embodiment of the present invention, at least one of the connection status determination module 410, the device status determination module 420 and the voltage regulation module 430 may be implemented as a computer program module described with reference to FIG. corresponding operations described above.

Those skilled in the art can understand that various combinations and/or combinations of the features described in the various embodiments and/or claims of the present disclosure can be made, even if such combinations or combinations are not explicitly recorded in the present disclosure. In particular, without departing from the spirit and teaching of the present disclosure, the various embodiments of the present disclosure and/or the features described in the claims can be combined and/or combined in various ways. All such combinations and/or combinations fall within the scope of the present disclosure.

While the present disclosure has been shown and described with reference to certain exemplary embodiments thereto, it should be understood by those skilled in the art that other modifications may be made without departing from the spirit and scope of the present disclosure as defined by the appended claims and their equivalents. Various changes in form and details have been made to this disclosure. Therefore, the scope of the present disclosure should not be limited to the above-described embodiments, but should be determined not only by the appended claims, but also by the equivalents of the appended claims.

Claims (10)

1. A method for charging a battery of an electronic device, comprising: The power adapter is connected to an external power source and simultaneously connected to the electronic device; determining a state of the electronic device; and According to the state of the electronic device, the voltage output by the power adapter to the electronic device is adjusted. 2. The method according to claim 1, wherein, according to the state of the electronic device, adjusting the voltage output by the power adapter to the electronic device comprises: When it is determined that the electronic device is not in the power-on state, reading the information of the battery of the electronic device; and The voltage to be output to the electronic device is determined according to the information of the battery. 3. The method according to claim 2, wherein the information of the battery includes the property of the battery and the charging voltage corresponding to the property, and wherein, according to the information of the battery, it is determined to charge the battery to the Voltages output by electronic equipment include: A voltage to be output to the electronic device is set as the determined charging voltage. 4. The method according to claim 2, wherein the information of the battery comprises a real-time charging voltage of the battery, and wherein determining the voltage to be output to the electronic device according to the information of the battery comprises: The voltage to be output to the electronic device is set as the sum of the real-time charging voltage of the battery and a predetermined difference. 5. The method according to claim 1, wherein, according to the state of the electronic device, the voltage output by the power adapter to the electronic device is adjusted: When it is determined that the electronic device is in the power-on state, determine the power consumption of the system and the rated output of the power adapter; and When the power consumption of the system is less than the rated output of the power adapter, the voltage to be output to the electronic device is set to a voltage corresponding to the charging voltage of the battery. 6. An electronic device comprising: battery, capable of charging and discharging; processor; a memory storing machine-executable instructions that, when executed by the processor, cause the processor to perform the following operations: Determine whether it is connected to the power adapter; determining a state of the electronic device; and According to the state of the electronic device, the voltage output by the power adapter to the electronic device is adjusted. 7. The electronic device according to claim 6, wherein the instructions, when executed by the processor, further cause the processor to perform the following operations: When it is determined that the electronic device is not in the power-on state, reading the information of the battery; and The voltage to be output to the electronic device is determined according to the information of the battery. 8. The electronic device according to claim 7, wherein the information of the battery comprises the property of the battery and the charging voltage corresponding to the property, and wherein, when the instruction is executed by the processor, it also Causes the processor to do the following: A voltage to be output to the electronic device is set as the determined charging voltage. 9. The electronic device according to claim 7, wherein the information of the battery includes the real-time charging voltage of the battery, and wherein, when the instructions are executed by the processor, the processor is further made to perform the following operations: The voltage to be output to the electronic device is set as the sum of the real-time charging voltage of the battery and a predetermined difference. 10. The electronic device according to claim 6, wherein, when the instructions are executed by the processor, the processor is further caused to perform the following operations: When it is determined that the electronic device is in the power-on state, determine the power consumption of the system and the rated output of the power adapter; and When the power consumption of the system is less than the rated output of the power adapter, the voltage to be output to the electronic device is set to a voltage corresponding to the charging voltage of the battery.