WO2018086362A1 - 一种调整电子设备充电电流的方法及电子设备 - Google Patents

一种调整电子设备充电电流的方法及电子设备 Download PDF

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Publication number
WO2018086362A1
WO2018086362A1 PCT/CN2017/091764 CN2017091764W WO2018086362A1 WO 2018086362 A1 WO2018086362 A1 WO 2018086362A1 CN 2017091764 W CN2017091764 W CN 2017091764W WO 2018086362 A1 WO2018086362 A1 WO 2018086362A1
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WIPO (PCT)
Prior art keywords
current
electronic device
charging
battery
brightness
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Ceased
Application number
PCT/CN2017/091764
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English (en)
French (fr)
Inventor
胡海宁
史继前
李志华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Publication of WO2018086362A1 publication Critical patent/WO2018086362A1/zh
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Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/446—Initial charging measures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/94—Regulation of charging or discharging current or voltage in response to battery current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/971—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/975—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • H02J7/977—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to the field of electronic technologies, and in particular, to a method and an electronic device for adjusting a charging current of an electronic device.
  • Fast charging refers to a charging method that can bring the battery to or near full charge within 1 to 5 hours.
  • the inventors have found that the related art has the following problems: in the process of fast charging, the electronic device may cause serious heat generation due to high brightness of the screen, thereby affecting the life of the battery and the ability to store power.
  • the present invention provides a method and an electronic device that can automatically adjust an electronic device charging current according to screen brightness.
  • the present invention provides a method for adjusting a charging current of an electronic device, comprising: acquiring a current brightness of a screen of the electronic device; detecting whether a battery of the electronic device is in a charging state; and if so, according to a preset The correspondence between the screen brightness and the charging current, and in combination with the current brightness, adjusts the battery charging current to match the screen brightness.
  • the step of adjusting a charging current for charging a battery of the electronic device according to a preset correspondence between a screen brightness and a charging current, and combining the current brightness includes: according to the preset Calculating a current corresponding to the brightness of the current screen; obtaining a charging current for charging a battery of the electronic device; determining whether the calculated current is greater than the charging current If not, reducing the charging current of the battery of the electronic device for charging until the charging current is equal to the Calculate the current obtained.
  • the method further includes: if the calculated current is greater than the charging current, increasing a charging current for charging the battery of the electronic device until the charging current is equal to the calculated Current.
  • the method further includes: monitoring a temperature of a battery of the electronic device; determining whether the temperature is in a first-level hazard range or a second-level hazard range; if the temperature is in a first-level hazard range, Adjusting a charging current of the battery of the electronic device for charging until the charging current is less than a preset current threshold, and/or adjusting a current brightness of the screen of the electronic device until the current brightness is smaller than a preset brightness threshold If the temperature is in the secondary danger range, stopping charging the battery of the electronic device and turning off the electronic device.
  • an alert is issued if the temperature is in the second level of danger.
  • an embodiment of the present invention further provides an electronic device, including a screen, a battery, a charging circuit, and a processor, wherein the control terminals of the screen and the charging circuit are both connected to a processor, and the charging circuit is powered.
  • the battery; the processor is configured to acquire a current brightness of a screen of the electronic device, and detect whether the charging circuit is in a charging state for charging a battery, and if yes, according to a preset screen brightness and a charging current A correspondence relationship between the two, and in combination with the current brightness, adjusts a charging current for charging the battery by the charging circuit.
  • the processor adjusts a charging current for charging a battery of the electronic device according to a preset correspondence between a screen brightness and a charging current, and in combination with the current brightness, the method includes: Calculating a current corresponding to the current screen brightness by calculating a correspondence between the preset screen brightness and the charging current; acquiring a charging current for charging the battery of the electronic device; determining whether the calculated current is greater than the current a charging current; if not, reducing a charging current for charging the battery of the electronic device until the charging current is equal to the calculated current.
  • the processor is further configured to: if the calculated current is greater than the charging current, adjust a charging current of a battery of the electronic device to be charged until the charging current is equal to the calculated Current.
  • the electronic device further includes a temperature sensor coupled to the processor and the battery, respectively, for monitoring a temperature of the battery of the electronic device; the processor is further configured to determine the temperature Is it in the first-level hazard range or in the second-level hazard range; If the temperature is in the first-level danger range, adjusting a charging current of the battery of the electronic device to be charged until the charging current is less than a preset current threshold, and/or adjusting a current brightness of a screen of the electronic device, Until the current brightness is small, a preset brightness threshold; if the temperature is in the second-level danger range, stopping charging the battery of the electronic device and turning off the electronic device.
  • a temperature sensor coupled to the processor and the battery, respectively, for monitoring a temperature of the battery of the electronic device
  • the processor is further configured to determine the temperature Is it in the first-level hazard range or in the second-level hazard range; If the temperature is in the first-level danger range, adjusting a charging current of the battery of the electronic device
  • the processor is further configured to issue an alert if the temperature is in a secondary hazard range.
  • the beneficial effects of the present invention are: in the embodiment of the present invention, by acquiring the current brightness of the screen of the electronic device; detecting whether the battery of the electronic device is in a charging state; if yes, according to the preset screen brightness and charging current A correspondence between the two, and in conjunction with the current brightness, adjusting a charging current that charges a battery of the electronic device.
  • the embodiment of the invention can adjust the charging current of the electronic device for different screen brightnesses, so that the charging current is at a relatively reasonable value, and the electronic device is prevented from being heated seriously due to the high brightness of the screen during the fast charging process. This in turn affects the battery's life and ability to store power.
  • monitoring the temperature of the battery of the electronic device can prevent the battery from continuing to be charged after the battery temperature of the electronic device is too high, which may seriously affect the electronic The performance and use of the device is safe.
  • FIG. 1 is a flow chart of a first embodiment of a method for adjusting charging current of an electronic device according to the present invention
  • FIG. 2 is a flow chart of a second embodiment of a method for adjusting charging current of an electronic device according to the present invention
  • FIG. 3 is a flowchart of adjusting a charging current of an electronic device according to a correspondence between a screen brightness and a charging current in a second embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of an electronic device for adjusting charging current of an electronic device according to the present invention.
  • FIG. 1 is a flowchart of a first embodiment of a method for adjusting charging current of an electronic device according to the present invention.
  • the method for adjusting charging current of an electronic device includes:
  • Step 110 Acquire a current brightness of a screen of the electronic device.
  • the screen brightness of the electronic device can be determined by setting a brightness parameter, and the screen brightness of the electronic device can be controlled by adjusting the size of the brightness parameter.
  • the screen brightness of the electronic device and the brightness parameter are mutually corresponding, so that the current brightness of the screen of the electronic device can be obtained by acquiring the brightness parameter corresponding to the screen brightness of the current electronic device.
  • Step 120 Detect whether the battery of the electronic device is in a charging state; if yes, perform step 130.
  • the control end of the charging circuit is connected to the processor, the power supply end is connected to the battery, so the processor can obtain whether the battery of the electronic device is in a charging state by detecting the on/off state of the charging circuit. Specifically, if it is detected that the charging circuit is in an on state, it is learned that the battery of the electronic device is in a charging state; if it is detected that the charging circuit is in an off state, it is learned that the battery of the electronic device is not Is in a state of charge.
  • Step 130 Adjust the charging current to match the screen brightness according to a preset relationship between the preset screen brightness and the charging current, and in combination with the current brightness.
  • a function (hereinafter referred to as a scaling function) for converting the corresponding charging current according to the screen brightness is established in advance.
  • the conversion function is the correspondence between the screen brightness and the charging current.
  • the conversion function divides the brightness of the screen into 256 (0-255) grades, which are divided into 16 equal parts, namely 0-15, 240-255; the maximum charging current is 3A, and the 1.5A-3A part is 16 etc. In this way, the brightness level can be matched with the current one by one. For example, if the brightness level of the screen brightness is 200, and the battery of the electronic device is detected to be in a charging state, the current is calculated to be 1.8A by calling the conversion function.
  • the current brightness of the screen of the electronic device is acquired; whether the battery of the electronic device is in a charging state is detected; if yes, according to a preset relationship between the screen brightness and the charging current, and In conjunction with the current brightness, a charging current that charges a battery of the electronic device is adjusted.
  • the embodiment of the invention can adjust the charging current of the electronic device for different screen brightnesses, so that the charging current is at a relatively reasonable value, and the electronic device is prevented from being heated seriously due to the high brightness of the screen during the fast charging process. This in turn affects the battery's life and ability to store power.
  • the method for adjusting charging current of an electronic device according to the present invention includes:
  • Step 210 Acquire a current brightness of a screen of the electronic device.
  • the screen brightness of the electronic device can be determined by setting the brightness parameter, and can be adjusted The size of the brightness parameter controls the screen brightness of the electronic device.
  • the screen brightness of the electronic device and the brightness parameter are mutually corresponding, so that the current brightness of the screen of the electronic device can be obtained by acquiring the brightness parameter corresponding to the screen brightness of the current electronic device.
  • Step 220 Detect whether the battery of the electronic device is in a charging state; if yes, perform step 230.
  • the control end of the charging circuit is connected to the processor, the power supply end is connected to the battery, so the processor can obtain whether the battery of the electronic device is in a charging state by detecting the on/off state of the charging circuit. Specifically, if it is detected that the charging circuit is in an on state, it is learned that the battery of the electronic device is in a charging state; if it is detected that the charging circuit is in an off state, it is learned that the battery of the electronic device is not Is in a state of charge.
  • Step 230 Adjust the charging circuit to match the brightness of the screen according to a preset relationship between the preset screen brightness and the charging current, and in combination with the current brightness.
  • the step 230 includes:
  • Step 231 Calculate a current corresponding to the current screen brightness according to a preset relationship between a preset screen brightness and a charging current.
  • the conversion function between the screen brightness and the charging current is established in advance, and the conversion function is called by the obtained brightness level of the screen brightness, and the current corresponding to the current screen brightness is calculated.
  • Step 232 Acquire a charging current for charging a battery of the electronic device.
  • the control end of the charging circuit is connected to the processor, the power supply end is connected to the battery, so the processor can further detect the on-off state of the charging circuit, and can further acquire the same when detecting that the charging circuit is in an on state.
  • the charging current of the battery of the electronic device is charged.
  • Step 233 Determine whether the calculated current is greater than the charging current; if not, execute step 234; if yes, execute step 235.
  • Step 234 Decrease the charging current of the battery of the electronic device to be charged until the charging current is equal to the calculated current.
  • the current is calculated to be 1.8A by calling the conversion function (corresponding relationship between screen brightness and current in Table 1).
  • the charging current for charging the battery of the electronic device is 2A. Comparing the current corresponding to the current screen brightness to the charging current for charging the battery of the electronic device, since the calculated current is 1.8A and the charging current is 2A, the calculated current is less than The charging current is described. At this time, it is necessary to adjust the charging current of the battery of the electronic device for charging, so that the charging current gradually decreases from 2A until it is equal to 1.8A.
  • Step 235 Increase a charging current of the battery of the electronic device for charging until the charging current is equal to the calculated current.
  • the current is calculated to be 1.8A by calling the conversion function (corresponding relationship between screen brightness and current in Table 1).
  • the charging current for charging the battery of the electronic device is 1.5 A. Comparing the current corresponding to the current screen brightness to the charging current for charging the battery of the electronic device, since the calculated current is 1.8A and the charging current is 1.5A, the calculated current is greater than The charging current. At this time, it is necessary to adjust the charging current of the battery of the electronic device for charging, so that the charging current gradually increases stepwise from 1.5A until it is equal to 1.8A.
  • Step 240 Monitor the temperature of the battery of the electronic device.
  • a temperature sensor is provided near the battery, and the temperature sensor is connected to the processor, and the temperature sensor senses the temperature of the battery and transmits the temperature to the processor in time.
  • the processor can monitor the temperature of the battery of the electronic device through a temperature sensor.
  • Step 260 Determine whether the temperature is in the first-level dangerous range or in the second-level dangerous range; if the temperature is in the first-level dangerous range, perform step 260; if the temperature is in the second-level dangerous range, perform step 270 .
  • a first-level hazard range is set in advance, and the temperature range of the first-level hazard range is 25 ° C. -45 ° C; second hazard range, the temperature range is above 45 ° C. Then, the temperature of the monitored battery is judged to determine whether the temperature is in the first-level dangerous range or in the second-level dangerous range.
  • Step 260 Adjust a charging current of the battery of the electronic device to be charged until the charging current is less than a preset current threshold, and/or adjust a current brightness of the screen of the electronic device until the current brightness is small. Threshold.
  • the charging current of the battery of the electronic device is gradually reduced until the charging current is less than a preset current threshold, or the current brightness of the screen of the electronic device is gradually decreased until the current brightness is small by a preset brightness threshold.
  • a preset current threshold or the current brightness of the screen of the electronic device is gradually decreased until the current brightness is small by a preset brightness threshold.
  • Step 270 Stop charging the battery of the electronic device, and turn off the electronic device.
  • the temperature of the battery at this time is greater than 45 °C. At this time, the battery temperature has been severely overheated. If it continues, it will seriously affect the battery life and the ability to store power. Therefore, it is necessary to stop charging the battery of the electronic device and turn off the electronic device.
  • Step 280 Send an alert.
  • the temperature of the battery at this time is greater than 45 °C.
  • the battery temperature has been seriously overheated. If it continues to continue, it will seriously affect the battery life and the ability to store power. An alarm will be issued to remind the user that the battery in the current electronic device has been seriously overheated. Immediately handle the corresponding measures to prevent the electronic device from being overcharged and continue to charge, which will seriously affect the performance and safety of the electronic device.
  • the current brightness of the screen of the electronic device is acquired; whether the battery of the electronic device is in a charging state is detected; if yes, according to a preset relationship between the screen brightness and the charging current, and In conjunction with the current brightness, a charging current that charges a battery of the electronic device is adjusted.
  • the embodiment of the invention can adjust the charging current of the electronic device for different screen brightnesses, so that the charging current is at a relatively reasonable value, and the electronic device is prevented from being heated seriously due to the high brightness of the screen during the fast charging process. This in turn affects the battery's life and ability to store power.
  • monitoring the battery of the electronic device Temperature, and determine the degree of danger of the temperature, and then according to the degree of danger to carry out corresponding treatment, can prevent the electronic device battery temperature is too high, continue to charge, will seriously affect the performance and safety of the electronic device.
  • FIG. 3 is a schematic diagram of a hardware structure of an electronic device 100 for adjusting a screen brightness of an electronic device according to an embodiment of the present invention.
  • the electronic device 100 includes a screen 10, a battery 20, a charging circuit 30, and a processor 40. Both the screen 10 and the control terminal of the charging circuit 30 are connected to the processor 40, the power supply end of the charging circuit 30 and the battery 20; the processor 40 is configured to acquire the current state of the screen 10 of the electronic device 100. Brightness, and detecting whether the charging circuit 30 is in a charging state for charging the battery 20, and if so, adjusting the charging according to a correspondence between a preset screen brightness and a charging current, and in combination with the current brightness The charging current that the circuit 30 charges the battery 20.
  • the control terminal of the charging circuit 30 is connected to the processor 40, the power supply terminal is connected to the battery 20, so the processor 40 can detect the on-off state of the charging circuit 30, and can detect when the charging circuit 30 is in the on state. And further obtaining a charging current for charging the battery 20 of the electronic device 100.
  • the step of the processor 40 adjusting the charging current for charging the battery of the electronic device 100 according to the preset relationship between the screen brightness and the charging current, and the current brightness specifically includes: according to the preset Corresponding relationship between screen brightness and charging current, calculating a current corresponding to the current screen brightness; acquiring a charging current for charging the battery 20 of the electronic device 100; determining whether the calculated current is greater than the charging Current; if not, reducing the charging current of the battery 20 of the electronic device 100 for charging until the charging current is equal to the calculated current. For example, if the brightness level of the screen brightness is 200, and the battery of the electronic device is detected to be in a charging state, the current is calculated to be 1.8A by calling the conversion function (corresponding relationship between screen brightness and current in Table 1).
  • the charging current for charging the battery of the electronic device is 2A. Comparing the current corresponding to the current screen brightness to the charging current for charging the battery of the electronic device, since the calculated current is 1.8A and the charging current is 2A, the calculated current is less than The charging current is described. At this time, it is necessary to adjust the charging current of the battery of the electronic device for charging, so that the charging current gradually decreases from 2A until it is equal to 1.8A.
  • the processor is further configured to: if the calculated current is greater than the charging current, adjust a charging current of a battery of the electronic device to be charged until the charging The electrical current is equal to the calculated current. For example, if the brightness level of the screen brightness is 200, and the battery of the electronic device is detected to be in a charging state, the current is calculated to be 1.8A by calling the conversion function (corresponding relationship between screen brightness and current in Table 1). The charging current for charging the battery of the electronic device is 1.5 A. Comparing the current corresponding to the current screen brightness to the charging current for charging the battery of the electronic device, since the calculated current is 1.8A and the charging current is 1.5A, the calculated current is greater than The charging current. At this time, it is necessary to adjust the charging current of the battery of the electronic device for charging, so that the charging current gradually increases stepwise from 1.5A until it is equal to 1.8A.
  • the electronic device 100 further includes a temperature sensor 50 coupled to the processor 40 and the battery 20, respectively, for monitoring the temperature of the battery 20 of the electronic device 100 and timely Transmitted to processor 40, processor 40 can monitor the temperature of battery 20 of the electronic device via temperature sensor 50.
  • a temperature sensor 50 coupled to the processor 40 and the battery 20, respectively, for monitoring the temperature of the battery 20 of the electronic device 100 and timely Transmitted to processor 40, processor 40 can monitor the temperature of battery 20 of the electronic device via temperature sensor 50.
  • the processor 40 is further configured to determine whether the temperature is in a first-level dangerous range or a second-level dangerous range; if the temperature is in a first-level dangerous range, adjusting a charging current of a battery of the electronic device to perform charging, Until the charging current is less than a preset current threshold, and/or adjusting a current brightness of the screen of the electronic device until the current brightness is smaller than a preset brightness threshold; if the temperature is in a second-level dangerous range, stopping The battery of the electronic device is charged, and the electronic device is turned off.
  • the processor 40 is further configured to issue an alert if the temperature is in a secondary hazard range.
  • the temperature is in the second-level hazard range, that is, the temperature of the battery at this time is greater than 45 °C.
  • the temperature of the battery 20 has been seriously overheated. If it continues to continue, it will seriously affect the service life of the battery 20 and the ability to store the battery.
  • An alarm will be issued to remind the user that the battery 20 in the current electronic device 100 has been If the temperature of the battery 20 of the electronic device 100 is too high, the charging is continued, which may seriously affect the performance and safety of the electronic device 100.
  • the processor 40 obtains the current brightness of the screen 10 of the electronic device 100, and detects whether the battery of the electronic device 100 is in a charging state; if yes, according to the preset screen brightness and charging current
  • the charging relationship for charging the battery 20 of the electronic device 100 is adjusted in conjunction with the current brightness.
  • the embodiment of the invention can adjust the charging current of the electronic device for different screen brightnesses, so that the charging current is at a reasonable value, and the electronic device 100 is prevented from having a high screen brightness during the fast charging process. The ability to cause serious heat in electronic devices, which in turn affects battery life and stored power.
  • the processor 40 is connected to the temperature sensor 50, monitors the temperature of the battery 20 of the electronic device 100, and determines the degree of danger of the temperature, and then performs corresponding processing according to the degree of danger, thereby preventing the battery of the electronic device 100. After the temperature is too high, the charging continues, which seriously affects the performance and safety of the electronic device 100.
  • the above product can perform the method provided by the embodiment of the present invention, and has the corresponding functional modules and beneficial effects of the execution method.
  • the above product can perform the method provided by the embodiment of the present invention, and has the corresponding functional modules and beneficial effects of the execution method.
  • the electronic device of the embodiment of the invention exists in various forms, including but not limited to:
  • Mobile communication devices These devices are characterized by mobile communication functions and are mainly aimed at providing voice and data communication.
  • electronic devices include: intelligent electronic devices (such as iPhone), multimedia electronic devices, functional electronic devices, and low-end electronic devices.
  • Ultra-mobile personal computer equipment This type of equipment belongs to the category of personal computers, has computing and processing functions, and generally has mobile Internet access.
  • electronic devices include: PDAs, MIDs, and UMPC devices, such as the iPad.
  • Portable entertainment devices These devices can display and play multimedia content. Such devices include: audio, video players (such as iPod), handheld game consoles, e-books, and smart toys and portable car navigation devices.
  • the server consists of a processor, a hard disk, a memory, a system bus, etc.
  • the server is similar to a general-purpose computer architecture, but because of the need to provide highly reliable services, processing power and stability High reliability in terms of reliability, security, scalability, and manageability.
  • the various embodiments can be implemented by means of software plus a general hardware platform, and of course, by hardware.
  • a person skilled in the art can understand that all or part of the process of implementing the above embodiments can be completed by a computer program to instruct related hardware, and the program can be stored in a computer readable storage medium.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (Random Access Memory, RAM). Wait.

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  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种调整电子设备充电电流的方法及电子设备，涉及电子技术领域，所述方法包括：获取所述电子设备的屏幕的当前亮度（110）；检测所述电子设备的电池是否处于充电状态（120）；若是，则根据预设的屏幕亮度与充电电流之间的对应关系，并且结合所述当前亮度，调整充电电流与屏幕亮度相匹配（130）。通过上述方式，能够防止屏幕亮度较高导致电子设备发热严重，进而影响电池的寿命和储存电量的能力。

Description

一种调整电子设备充电电流的方法及电子设备 【技术领域】
本发明涉及电子技术领域，尤其涉及一种调整电子设备充电电流的方法及电子设备。
【背景技术】
随着电子技术的不断发展，人们对电子设备的使用日益广泛，依赖也越来越强。在使用电子设备时，人们往往会因为电子设备经常没电又急需使用，因而需要对电子设备进行快速充电。快速充电是指能在1～5h内使蓄电池达到或接近完全充电状态的一种充电方法。
发明人在实现本发明的过程中，发现相关技术存在以下问题：电子设备在快速充电的过程中，会因屏幕亮度较高导致电子设备发热严重，进而影响电池的寿命和储存电量的能力。
【发明内容】
鉴于上述问题，本发明提供一种可以根据屏幕亮度自动调整电子设备充电电流的方法及电子设备。
为了达到上述目的，本发明提供一种调整电子设备充电电流的方法，包括：获取所述电子设备的屏幕的当前亮度；检测所述电子设备的电池是否处于充电状态；若是，则根据预设的屏幕亮度与充电电流之间的对应关系，并且结合所述当前亮度，调整电池充电电流与屏幕亮度相匹配。
在一些实施例中，所述根据预设的屏幕亮度与充电电流的对应关系，并且结合所述当前亮度，调整对所述电子设备的电池进行充电的充电电流的步骤包括：所述根据预设的屏幕亮度与充电电流之间的对应关系，计算出所述当前屏幕亮度对应的电流；获取对所述电子设备的电池进行充电的充电电流；判断所述计算得到的电流是否大于所述充电电流；若否，则减小所述电子设备的电池进行充电的充电电流，直到所述充电电流等于所述 计算得到的电流。
在一些实施例中，所述方法还包括：若所述计算得到的电流大于所述充电电流，则增大所述电子设备的电池进行充电的充电电流，直至所述充电电流等于所述计算得到的电流。
在一些实施例中，所述方法还包括：监测所述电子设备的电池的温度；判断所述温度是位于一级危险范围，还是位于二级危险范围；若所述温度位于一级危险范围，则调整所述电子设备的电池进行充电的充电电流，直至所述充电电流小于预设电流阈值，和/或，调整所述电子设备的屏幕的当前亮度，直至所述当前亮度小预设亮度阈值；若所述温度位于二级危险范围，则停止对所述电子设备的电池进行充电，以及关闭所述电子设备。
在一些实施例中，若所述温度位于二级危险范围，则发出告警提示。
为了实现以上所述方法，本发明实施例还提供一种电子设备，包括屏幕、电池、充电电路和处理器，所述屏幕和充电电路的控制端均与处理器连接，所述充电电路的供电端与所述电池；所述处理器用于获取所述电子设备的屏幕的当前亮度，并且检测所述充电电路是否处于对电池进行充电的充电状态，若是，则根据预设的屏幕亮度与充电电流之间的对应关系，并且结合所述当前亮度，调整对所述充电电路对电池进行充电的充电电流。
在一些实施例中，所述处理器根据预设的屏幕亮度与充电电流的对应关系，并且结合所述当前亮度，调整对所述电子设备的电池进行充电的充电电流的步骤包括：所述根据预设的屏幕亮度与充电电流之间的对应关系，计算出所述当前屏幕亮度对应的电流；获取对所述电子设备的电池进行充电的充电电流；判断所述计算得到的电流是否大于所述充电电流；若否，则减小所述电子设备的电池进行充电的充电电流，直到所述充电电流等于所述计算得到的电流。
在一些实施例中，所述处理器还用于若所述计算得到的电流大于所述充电电流，则调整所述电子设备的电池进行充电的充电电流，直至所述充电电流等于所述计算得到的电流。
在一些实施例中，所述电子设备还包括温度传感器，所述温度传感器分别与处理器和电池连接，用于监测所述电子设备的电池的温度；所述处理器还用于判断所述温度是位于一级危险范围，还是位于二级危险范围； 若所述温度位于一级危险范围，则调整所述电子设备的电池进行充电的充电电流，直至所述充电电流小于预设电流阈值，和/或，调整所述电子设备的屏幕的当前亮度，直至所述当前亮度小预设亮度阈值；若所述温度位于二级危险范围，则停止对所述电子设备的电池进行充电，以及关闭所述电子设备。
在一些实施例中，所述处理器还用于若所述温度位于二级危险范围，则发出告警提示。
本发明的有益效果是：在本发明实施例中，通过获取所述电子设备的屏幕的当前亮度；检测所述电子设备的电池是否处于充电状态；若是，则根据预设的屏幕亮度与充电电流之间的对应关系，并且结合所述当前亮度，调整对所述电子设备的电池进行充电的充电电流。本发明实施例可以针对不同的屏幕亮度对电子设备的充电电流做出调整，使充电电流处于较为合理的值，防止电子设备在快速充电的过程中会因屏幕亮度较高导致电子设备发热严重，进而影响电池的寿命和储存电量的能力。
进一步的，监测所述电子设备的电池的温度，并判断该温度的危险程度，进而根据其危险程度进行相应的处理，可以防止当电子设备的电池温度过高后，继续充电，会严重影响电子设备的性能和使用安全。
【附图说明】
一个或多个实施例通过与之对应的附图中的图片进行示例性说明，这些示例性说明并不构成对实施例的限定，附图中具有相同参考数字标号的元件表示为类似的元件，除非有特别申明，附图中的图不构成比例限制。
图1为本发明调整电子设备充电电流的方法第一实施例的流程图；
图2为本发明调整电子设备充电电流的方法第二实施例的流程图；
图3为本发明调整电子设备充电电流的方法第二实施例中根据屏幕亮度与充电电流之间的对应关系调整电子设备充电电流的流程图；
图4为本发明调整电子设备充电电流的电子设备的结构示意图。
【具体实施方式】
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图 及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
请参阅图1，为本发明调整电子设备充电电流的方法第一实施例的流程图，调整电子设备充电电流的方法包括：
步骤110：获取所述电子设备的屏幕的当前亮度。
电子设备的屏幕亮度可以通过设定亮度参数来进行确定，并可通过调整亮度参数的大小来控制所述电子设备的屏幕亮度。所述电子设备的屏幕亮度与所述亮度参数是相互对应的，因此可以通过获取当前所述电子设备的屏幕亮度所对应的亮度参数，进而获取所述电子设备的屏幕的当前亮度。
步骤120：检测所述电子设备的电池是否处于充电状态；若是，则执行步骤130。
由于充电电路的控制端与处理器连接，供电端与电池连接，因此处理器可以通过检测充电电路的通断状态，获得所述电子设备的电池是否处于充电状态。具体的，若检测到所述充电电路为接通状态，则得知所述电子设备的电池处于充电状态；若检测到所述充电电路为断开状态，则得知所述电子设备的电池未处于充电状态。
步骤130：根据预设的屏幕亮度与充电电流之间的对应关系，并且结合所述当前亮度，调整充电电流与屏幕亮度相匹配。
预先建立一个根据屏幕亮度换算对应充电电流的函数(以下称换算函数)。该换算函数即为所述屏幕亮度与充电电流之间的对应关系。
亮度 电流/A
0-15 3
16-31 2.9
32-47 2.8
48-63 2.7
64-79 2.6
80-95 2.5
96-111 2.4
112-127 2.3
128-143 2.2
144-159 2.1
160-175 2
176-191 1.9
192-207 1.8
208-223 1.7
224-239 1.6
240-255 1.5
表一
换算函数会将屏幕的亮度分为256(0-255)等级，将其分为16等份，即0-15、240-255；充电电流最大为3A，将其1.5A-3A部分为16等份，这样可以将亮度等级与电流一一对应起来。例如，获取到屏幕亮度的亮度等级为200，检测到所述电子设备的电池处于充电状态，则通过调用换算函数计算得到电流为1.8A。
在本发明实施例中，通过获取所述电子设备的屏幕的当前亮度；检测所述电子设备的电池是否处于充电状态；若是，则根据预设的屏幕亮度与充电电流之间的对应关系，并且结合所述当前亮度，调整对所述电子设备的电池进行充电的充电电流。本发明实施例可以针对不同的屏幕亮度对电子设备的充电电流做出调整，使充电电流处于较为合理的值，防止电子设备在快速充电的过程中会因屏幕亮度较高导致电子设备发热严重，进而影响电池的寿命和储存电量的能力。
请参阅图2，为本发明调整电子设备充电电流的方法第二实施例的流程图，本发明调整电子设备充电电流的方法包括：
步骤210：获取所述电子设备的屏幕的当前亮度。
电子设备的屏幕亮度可以通过设定亮度参数来进行确定，并可通过调 整亮度参数的大小来控制所述电子设备的屏幕亮度。所述电子设备的屏幕亮度与所述亮度参数是相互对应的，因此可以通过获取当前所述电子设备的屏幕亮度所对应的亮度参数，进而获取所述电子设备的屏幕的当前亮度。
步骤220：检测所述电子设备的电池是否处于充电状态；若是，则执行步骤230。
由于充电电路的控制端与处理器连接，供电端与电池连接，因此处理器可以通过检测充电电路的通断状态，获得所述电子设备的电池是否处于充电状态。具体的，若检测到所述充电电路为接通状态，则得知所述电子设备的电池处于充电状态；若检测到所述充电电路为断开状态，则得知所述电子设备的电池未处于充电状态。
步骤230：根据预设的屏幕亮度与充电电流之间的对应关系，并且结合所述当前亮度，调整充电电路与屏幕亮度相匹配。
为了更加详细的说明调整对所述电子设备的电池进行充电的充电电流的方法，所述步骤230包括：
步骤231：所述根据预设的屏幕亮度与充电电流之间的对应关系，计算出所述当前屏幕亮度对应的电流。
预先建立所述屏幕亮度与充电电流之间的对应关系即换算函数，并通过获取到的屏幕亮度的亮度等级，调用该换算函数，计算出所述当前屏幕亮度对应的电流。
步骤232：获取对所述电子设备的电池进行充电的充电电流。
由于充电电路的控制端与处理器连接，供电端与电池连接，因此处理器可以通过检测充电电路的通断状态，并可以在检测到所述充电电路处于接通状态时，进一步获取对所述电子设备的电池进行充电的充电电流。
步骤233：判断所述计算得到的电流是否大于所述充电电流；若否，则执行步骤234；若是，则执行步骤235。
将计算出所述当前屏幕亮度对应的电流与所述电子设备的电池进行充电的充电电流进行比较，并判断所述计算得到的电流是否大于所述充电电流。
步骤234：减小所述电子设备的电池进行充电的充电电流，直到所述充电电流等于所述计算得到的电流。
当所述计算得到的电流小于或等于所述充电电流时，调整所述电子设备的电池进行充电的充电电流，使所述充电电流阶梯减小，直到所述充电电流等于所述计算得到的电流。例如，获取到屏幕亮度的亮度等级为200，检测到所述电子设备的电池处于充电状态，则通过调用换算函数(表一中的屏幕亮度与电流的对应关系)计算得到电流为1.8A。获取对所述电子设备的电池进行充电的充电电流为2A。将计算出所述当前屏幕亮度对应的电流与所述电子设备的电池进行充电的充电电流进行比较，由于所述计算得到电流为1.8A而充电电流为2A，因此所述计算得到的电流小于所述充电电流。此时需调整所述电子设备的电池进行充电的充电电流，使所述充电电流从2A开始逐渐阶梯减小，直至等于1.8A为止。
步骤235：增大所述电子设备的电池进行充电的充电电流，直至所述充电电流等于所述计算得到的电流。
当所述计算得到的电流大于所述充电电流时，调整所述电子设备的电池进行充电的充电电流，使所述充电电流逐渐阶梯增大，直到所述充电电流等于所述计算得到的电流。例如，获取到屏幕亮度的亮度等级为200，检测到所述电子设备的电池处于充电状态，则通过调用换算函数(表一中的屏幕亮度与电流的对应关系)计算得到电流为1.8A。获取对所述电子设备的电池进行充电的充电电流为1.5A。将计算出所述当前屏幕亮度对应的电流与所述电子设备的电池进行充电的充电电流进行比较，由于所述计算得到电流为1.8A而充电电流为1.5A，因此所述计算得到的电流大于所述充电电流。此时需调整所述电子设备的电池进行充电的充电电流，使所述充电电流从1.5A开始逐渐阶梯增大，直至等于1.8A为止。
步骤240：监测所述电子设备的电池的温度。
电池附近设有温度传感器，并且温度传感器与处理器连接，温度传感器可以感应电池的温度，并将该温度及时传送给处理器。处理器可以通过温度传感器监测所述电子设备的电池的温度。
步骤250：判断所述温度是位于一级危险范围，还是位于二级危险范围；若所述温度位于一级危险范围，则执行步骤260；若所述温度位于二级危险范围，则执行步骤270。
首先，预先设定一级危险范围，所述一级危险范围的温度范围是25℃ -45℃；二级危险范围，其温度范围是45℃以上。然后将监测到的电池的温度进行判断，判断所述温度是位于一级危险范围，还是位于二级危险范围。
步骤260：调整所述电子设备的电池进行充电的充电电流，直至所述充电电流小于预设电流阈值，和/或调整所述电子设备的屏幕的当前亮度，直至所述当前亮度小预设亮度阈值。
逐渐减小所述电子设备的电池进行充电的充电电流，直至所述充电电流小于预设电流阈值，或者逐渐降低所述电子设备的屏幕的当前亮度，直至所述当前亮度小预设亮度阈值。当然也可以在减小所述电子设备的电池进行充电的充电电流的同时降低所述电子设备的屏幕的当前亮度，来达到降低电池温度的目的，并能防止当电子设备的电池温度过高后，继续充电，会严重影响电子设备的性能和使用安全。
步骤270：停止对所述电子设备的电池进行充电，以及关闭所述电子设备。
当所述温度是位于二级危险范围，即此时电池的温度大于45℃。此时的电池温度已经严重过热，若继续持续下去，将会严重影响电池的使用寿命和储存电量的能力，因此需要停止对所述电子设备的电池进行充电，以及关闭所述电子设备。
步骤280：发出告警提示。
当所述温度是位于二级危险范围，即此时电池的温度大于45℃。此时的电池温度已经严重过热，若继续持续下去，将会严重影响电池的使用寿命和储存电量的能力，则会发出告警提示，用于提醒用户当前的电子设备中的电池已经严重过热，需马上进行相应的处理，防止当电子设备的电池温度过高后，继续充电，会严重影响电子设备的性能和使用安全。
在本发明实施例中，通过获取所述电子设备的屏幕的当前亮度；检测所述电子设备的电池是否处于充电状态；若是，则根据预设的屏幕亮度与充电电流之间的对应关系，并且结合所述当前亮度，调整对所述电子设备的电池进行充电的充电电流。本发明实施例可以针对不同的屏幕亮度对电子设备的充电电流做出调整，使充电电流处于较为合理的值，防止电子设备在快速充电的过程中会因屏幕亮度较高导致电子设备发热严重，进而影响电池的寿命和储存电量的能力。进一步的，监测所述电子设备的电池的 温度，并判断该温度的危险程度，进而根据其危险程度进行相应的处理，可以防止当电子设备的电池温度过高后，继续充电，会严重影响电子设备的性能和使用安全。
图3是本发明实施例提供的调整电子设备屏幕亮度方法的电子设备100的硬件结构示意图，如图3所示，该电子设备100包括：屏幕10、电池20、充电电路30和处理器40，所述屏幕10和充电电路30的控制端均与处理器40连接，所述充电电路30的供电端与所述电池20；所述处理器40用于获取所述电子设备100的屏幕10的当前亮度，并且检测所述充电电路30是否处于对电池20进行充电的充电状态，若是，则根据预设的屏幕亮度与充电电流之间的对应关系，并且结合所述当前亮度，调整对所述充电电路30对电池20进行充电的充电电流。由于充电电路30的控制端与处理器40连接，供电端与电池20连接，因此处理器40可以通过检测充电电路30的通断状态，并可以在检测到所述充电电路30处于接通状态时，进一步获取对所述电子设备100的电池20进行充电的充电电流。
所述处理器40根据预设的屏幕亮度与充电电流的对应关系，并且结合所述当前亮度，调整对所述电子设备100的电池进行充电的充电电流的步骤具体包括：所述根据预设的屏幕亮度与充电电流之间的对应关系，计算出所述当前屏幕亮度对应的电流；获取对所述电子设备100的电池20进行充电的充电电流；判断所述计算得到的电流是否大于所述充电电流；若否，则减小所述电子设备100的电池20进行充电的充电电流，直到所述充电电流等于所述计算得到的电流。例如，获取到屏幕亮度的亮度等级为200，检测到所述电子设备的电池处于充电状态，则通过调用换算函数(表一中的屏幕亮度与电流的对应关系)计算得到电流为1.8A。获取对所述电子设备的电池进行充电的充电电流为2A。将计算出所述当前屏幕亮度对应的电流与所述电子设备的电池进行充电的充电电流进行比较，由于所述计算得到电流为1.8A而充电电流为2A，因此所述计算得到的电流小于所述充电电流。此时需调整所述电子设备的电池进行充电的充电电流，使所述充电电流从2A开始逐渐阶梯减小，直至等于1.8A为止。
在一些实施例中，所述处理器还用于若所述计算得到的电流大于所述充电电流，则调整所述电子设备的电池进行充电的充电电流，直至所述充 电电流等于所述计算得到的电流。例如，获取到屏幕亮度的亮度等级为200，检测到所述电子设备的电池处于充电状态，则通过调用换算函数(表一中的屏幕亮度与电流的对应关系)计算得到电流为1.8A。获取对所述电子设备的电池进行充电的充电电流为1.5A。将计算出所述当前屏幕亮度对应的电流与所述电子设备的电池进行充电的充电电流进行比较，由于所述计算得到电流为1.8A而充电电流为1.5A，因此所述计算得到的电流大于所述充电电流。此时需调整所述电子设备的电池进行充电的充电电流，使所述充电电流从1.5A开始逐渐阶梯增大，直至等于1.8A为止。
在一些实施例中，所述电子设备100还包括温度传感器50，所述温度传感器50分别与处理器40和电池20连接，用于监测所述电子设备100的电池20的温度并将该温度及时传送给处理器40，处理器40可以通过温度传感器50监测所述电子设备的电池20的温度。所述处理器40还用于判断所述温度是位于一级危险范围，还是位于二级危险范围；若所述温度位于一级危险范围，则调整所述电子设备的电池进行充电的充电电流，直至所述充电电流小于预设电流阈值，和/或，调整所述电子设备的屏幕的当前亮度，直至所述当前亮度小预设亮度阈值；若所述温度位于二级危险范围，则停止对所述电子设备的电池进行充电，以及关闭所述电子设备。
在一些实施例中，所述处理器40还用于若所述温度位于二级危险范围，则发出告警提示。当所述温度是位于二级危险范围，即此时电池的温度大于45℃。此时的电池20温度已经严重过热，若继续持续下去，将会严重影响电池20的使用寿命和储存电量的能力，则会发出告警提示，用于提醒用户当前的电子设备100中的电池20已经严重过热，需马上进行相应的处理，防止当电子设备100的电池20温度过高后，继续充电，会严重影响电子设备100的性能和使用安全。
在本发明实施例中，处理器40通过获取所述电子设备100的屏幕10的当前亮度；检测所述电子设备100的电池是否处于充电状态；若是，则根据预设的屏幕亮度与充电电流之间的对应关系，并且结合所述当前亮度，调整对所述电子设备100的电池20进行充电的充电电流。本发明实施例可以针对不同的屏幕亮度对电子设备的充电电流做出调整，使充电电流处于较为合理的值，防止电子设备100在快速充电的过程中会因屏幕亮度较高 导致电子设备发热严重，进而影响电池的寿命和储存电量的能力。进一步的，处理器40与温度传感器50连接，监测所述电子设备100的电池20的温度，并判断该温度的危险程度，进而根据其危险程度进行相应的处理，可以防止当电子设备100的电池20温度过高后，继续充电，会严重影响电子设备100的性能和使用安全。
上述产品可执行本发明实施例所提供的方法，具备执行方法相应的功能模块和有益效果。未在本实施例中详尽描述的技术细节，可参见本发明实施例所提供的方法。
本发明实施例的电子设备以多种形式存在，包括但不限于:
(1)移动通信设备:这类设备的特点是具备移动通信功能，并且以提供话音、数据通信为主要目标。这类电子设备包括:智能电子设备(例如iPhone)、多媒体电子设备、功能性电子设备，以及低端电子设备等。
(2)超移动个人计算机设备:这类设备属于个人计算机的范畴，有计算和处理功能，一般也具备移动上网特性。这类电子设备包括:PDA、MID和UMPC设备等，例如iPad。
(3)便携式娱乐设备:这类设备可以显示和播放多媒体内容。该类设备包括:音频、视频播放器(例如iPod)，掌上游戏机，电子书，以及智能玩具和便携式车载导航设备。
(4)服务器:提供计算服务的设备，服务器的构成包括处理器、硬盘、内存、系统总线等，服务器和通用的计算机架构类似，但是由于需要提供高可靠的服务，因此在处理能力、稳定性、可靠性、安全性、可扩展性、可管理性等方面要求较高。
(5)其他具有数据交互功能的电子电子设备。
通过以上的实施方式的描述，本领域普通技术人员可以清楚地了解到各实施方式可借助软件加通用硬件平台的方式来实现，当然也可以通过硬件。本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory,ROM)或随机存储记忆体(RandomAccessMemory,RAM) 等。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；在本发明的思路下，以上实施例或者不同实施例中的技术特征之间也可以进行组合，步骤可以以任意顺序实现，并存在如上所述的本发明的不同方面的许多其它变化，为了简明，它们没有在细节中提供；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (10)

  1. 一种调整电子设备充电电流的方法，其特征在于，包括：
    获取所述电子设备的屏幕的当前亮度；
    检测所述电子设备的电池是否处于充电状态；
    若是，则根据预设的屏幕亮度与充电电流之间的对应关系，并且结合所述当前亮度，调整电池充电电流与屏幕亮度相匹配。
  2. 如权利要求1所述的方法，其特征在于，所述根据预设的屏幕亮度与充电电流的对应关系，并且结合所述当前亮度，调整对所述电子设备的电池进行充电的充电电流的步骤包括：
    所述根据预设的屏幕亮度与充电电流之间的对应关系，计算出所述当前屏幕亮度对应的电流；
    获取对所述电子设备的电池进行充电的充电电流；
    判断所述计算得到的电流是否大于所述充电电流；
    若否，则减小所述电子设备的电池进行充电的充电电流，直到所述充电电流等于所述计算得到的电流。
  3. 如权利要求2所述的方法，其特征在于，所述方法还包括：
    若所述计算得到的电流大于所述充电电流，则增大所述电子设备的电池进行充电的充电电流，直至所述充电电流等于所述计算得到的电流。
  4. 如权利要求1所述的方法，其特征在于，
    所述方法还包括：
    监测所述电子设备的电池的温度；
    判断所述温度是位于一级危险范围，还是位于二级危险范围；
    若所述温度位于一级危险范围，则调整所述电子设备的电池进行充电的充电电流，直至所述充电电流小于预设电流阈值，和/或，调整所述电子设备的屏幕的当前亮度，直至所述当前亮度小预设亮度阈值；
    若所述温度位于二级危险范围，则停止对所述电子设备的电池进行充电，以及关闭所述电子设备。
  5. 如权利要求4所述的方法，其特征在于，所述方法还包括：
    若所述温度位于二级危险范围，则发出告警提示。
  6. 一种电子设备，其特征在于，包括屏幕、电池、充电电路和处理器，所述屏幕和充电电路的控制端均与处理器连接，所述充电电路的供电端与所述电池；
    所述处理器用于获取所述电子设备的屏幕的当前亮度，并且检测所述充电电路是否处于对电池进行充电的充电状态，若是，则根据预设的屏幕亮度与充电电流之间的对应关系，并且结合所述当前亮度，调整对所述充电电路对电池进行充电的充电电流。
  7. 如权利要求7所述的电子设备，其特征在于，所述处理器根据预设的屏幕亮度与充电电流的对应关系，并且结合所述当前亮度，调整对所述电子设备的电池进行充电的充电电流的步骤包括：
    所述根据预设的屏幕亮度与充电电流之间的对应关系，计算出所述当前屏幕亮度对应的电流；
    获取对所述电子设备的电池进行充电的充电电流；
    判断所述计算得到的电流是否大于所述充电电流；
    若否，则减小所述电子设备的电池进行充电的充电电流，直到所述充电电流等于所述计算得到的电流。
  8. 如权利要求7所述的电子设备，其特征在于，所述处理器还用于若所述计算得到的电流大于所述充电电流，则调整所述电子设备的电池进行充电的充电电流，直至所述充电电流等于所述计算得到的电流。
  9. 如权利要求6所述的电子设备，其特征在于，
    所述电子设备还包括温度传感器，所述温度传感器分别与处理器和电池连接，用于监测所述电子设备的电池的温度；
    所述处理器还用于判断所述温度是位于一级危险范围，还是位于二级危险范围；若所述温度位于一级危险范围，则调整所述电子设备的电池进行充电的充电电流，直至所述充电电流小于预设电流阈值，和/或，调整所述电子设备的屏幕的当前亮度，直至所述当前亮度小预设亮度阈值；若所述温度位于二级危险范围，则停止对所述电子设备的电池进行充电，以及关闭所述电子设备。
  10. 如权利要求8所述的电子设备，其特征在于，所述处理器还用于若所述温度位于二级危险范围，则发出告警提示。
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