WO2021018233A1 - 充电方法、装置、电子设备和存储介质 - Google Patents

充电方法、装置、电子设备和存储介质 Download PDF

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Publication number
WO2021018233A1
WO2021018233A1 PCT/CN2020/105747 CN2020105747W WO2021018233A1 WO 2021018233 A1 WO2021018233 A1 WO 2021018233A1 CN 2020105747 W CN2020105747 W CN 2020105747W WO 2021018233 A1 WO2021018233 A1 WO 2021018233A1
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WIPO (PCT)
Prior art keywords
battery
charged
current
charging
temperature
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Application number
PCT/CN2020/105747
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English (en)
French (fr)
Inventor
谢红斌
张俊
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Oppo广东移动通信有限公司
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Publication of WO2021018233A1 publication Critical patent/WO2021018233A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • 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
    • 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
    • H01M10/443—Methods for charging or discharging in response to temperature
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00309—Overheat or overtemperature protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—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
    • H02J7/007194—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

  • This application relates to the field of charging technology, in particular to a charging method, device, electronic equipment and storage medium.
  • the fast charging method usually first charges the mobile terminal with a maximum charging current, and then continuously reduces the charging current. Charging the mobile terminal with the maximum charging current can shorten the charging time.
  • the battery temperature rises quickly during high-current charging.
  • the charging time of the maximum charging current is usually limited to a short Within the time frame.
  • a charging method which includes:
  • the first charging current is less than the rated charging current
  • the first switching condition is a switching condition set according to the temperature rise and/or voltage of the battery of the device to be charged.
  • the method further includes:
  • the second charging current is less than the rated charging current
  • the second switching condition is a switching condition set according to the temperature rise and/or temperature of the battery.
  • the battery status includes at least one of the current temperature, the current temperature rise, and the current voltage of the battery.
  • detecting that the battery status of the device to be charged meets the preset first switching condition includes:
  • the temperature rise of the battery reaches the first preset temperature rise, it is detected that the battery state of the device to be charged meets the first switching condition.
  • detecting that the battery status of the device to be charged meets the preset first switching condition includes:
  • detecting that the battery state of the device to be charged meets the preset second switching condition includes:
  • detecting that the battery state of the device to be charged meets the preset second switching condition includes:
  • the method further includes:
  • the third charging current is smaller than the second charging current; the third switching condition is a switching condition set according to the temperature rise and/or temperature of the battery.
  • the method further includes:
  • the device to be charged is controlled to stop charging.
  • a charging device which includes:
  • the first control module is used to control the device to be charged to charge with the first charging current when the charging signal is detected;
  • the second control module is configured to control the device to be charged to charge with the rated charging current if it is detected that the battery state of the device to be charged meets the preset first switching condition during the charging process of the device to be charged with the first charging current;
  • the first charging current is less than the rated charging current
  • the first switching condition is a switching condition set according to the temperature rise and/or voltage of the battery of the device to be charged.
  • the device further includes:
  • the third control module is used to control the device to be charged to charge with the second charging current if it is detected that the battery state of the device to be charged meets the preset second switching condition during the charging process of the device to be charged with the rated charging current;
  • the second charging current is less than the rated charging current
  • the second switching condition is a switching condition set according to the temperature rise and/or temperature of the battery.
  • the battery status includes at least one of the current temperature, the current temperature rise, and the current voltage of the battery.
  • the above-mentioned second control module is specifically configured to obtain the initial temperature and the current temperature of the battery; determine the temperature rise of the battery according to the initial temperature and the current temperature; if the temperature rise of the battery reaches the first preset temperature rise, Then it is detected that the battery state of the device to be charged meets the first switching condition.
  • the above-mentioned second control module is specifically used to obtain the current voltage of the battery; determine whether the current voltage reaches the preset voltage; if the current voltage reaches the preset voltage, it is detected that the battery status of the device to be charged meets the first A switching condition.
  • the above-mentioned third control module is specifically configured to obtain the initial temperature and the current temperature of the battery; determine the temperature rise of the battery according to the initial temperature and the current temperature; if the temperature rise of the battery reaches the second preset temperature rise, Then it is detected that the battery state of the device to be charged meets the second switching condition.
  • the above-mentioned third control module is specifically used to obtain the current temperature of the battery; determine whether the current temperature of the battery reaches the preset temperature; if the current temperature of the battery reaches the preset temperature, detect the The battery state satisfies the second switching condition.
  • the device further includes:
  • the fourth control module is configured to control the device to be charged to charge with the third charging current if it is detected that the battery state of the device to be charged meets the preset third switching condition during the charging process of the device to be charged with the second charging current;
  • the third charging current is smaller than the second charging current; the third switching condition is a switching condition set according to the temperature rise and/or temperature of the battery.
  • the device further includes:
  • the fifth control module is used for controlling the device to be charged to charge at a constant voltage with the charging cut-off voltage if the current voltage of the battery reaches the charging cut-off voltage;
  • the sixth control module is used to control the device to be charged to stop charging if it is detected that the charging current reaches the charging cut-off current during the charging process with the charging cut-off voltage.
  • an electronic device including a memory and a processor, the memory stores a computer program, and the processor implements the steps of the foregoing method when the computer program is executed.
  • a computer-readable storage medium is provided, and a computer program is stored thereon, and when the computer program is executed by a processor, the steps of the above method are realized.
  • the above charging method, device, electronic equipment and storage medium control the device to be charged to charge with the first charging current when the charging signal is detected; during the charging process of the device to be charged with the first charging current, if the device to be charged is detected When the battery state meets the preset first switching condition, the device to be charged is controlled to charge with the rated charging current.
  • the first charging current is lower than the rated charging current. Because the internal resistance of the battery is relatively large in the initial stage of charging, charging with a small current can prevent the battery from heating up quickly; Charge with the rated charging current, that is, the maximum charging current. At this time, the internal resistance of the battery is lower than the initial stage of charging. Charging with a large current will not cause the battery to heat up quickly, so it can maintain a long time of high current charging, thereby improving charging speed.
  • Figure 1 is an application environment diagram of a charging method in an embodiment
  • Figure 2 is a schematic flow chart of a charging method in an embodiment
  • FIG. 3 is a diagram showing the change of the internal resistance of the battery during charging in an embodiment
  • Figure 4 is one of the charging current switching diagrams in an embodiment
  • FIG. 5 is a schematic flowchart of a charging method in another embodiment
  • Fig. 6 is the second diagram of charging current switching in an embodiment
  • FIG. 7 is one of the structural block diagrams of the charging device in an embodiment
  • FIG. 8 is a second structural block diagram of the charging device in an embodiment
  • Fig. 9 is an internal structure diagram of a mobile terminal in an embodiment.
  • the charging method provided in this application can be applied to the application environment as shown in FIG. 1.
  • the application environment includes the device to be charged 10 and the power supply device 20.
  • the device 10 to be charged may be, but not limited to, various notebook computers, smart phones, tablet computers, and portable wearable devices.
  • the power supply device 20 may be various power adapters.
  • the charging method can be applied to the device 10 to be charged, and can also be applied to a power adapter, which is not limited in detail in the embodiment of the present invention, and can be set according to actual conditions.
  • a charging method is provided.
  • the method is applied to the device to be charged in FIG. 1 as an example for description, including the following steps:
  • Step 101 When a charging signal is detected, control the device to be charged to charge with a first charging current.
  • the current value of the first charging current is preset in the device to be charged, and the first charging current is less than the rated charging current, and the rated charging current may be the current that makes the charging power reach the maximum.
  • the device to be charged detects the charging signal, it sends a control signal to the power supply device to control the power supply device to charge the device to be charged with the first charging current.
  • the rated charging current is 9A
  • the first charging current is preset to 6A.
  • the power adapter is controlled to charge the smartphone with a charging current of 6A.
  • the device to be charged detects the charging signal, it indicates that the power supply device starts to charge the device to be charged, for example, from the connection of the device to be charged to the power adapter, the device to be charged enters the initial stage of charging.
  • the internal resistance of the battery changes during the charging process. It can be seen from the figure that the internal resistance of the battery is higher at the initial stage of charging, higher at the full stage, and lower at the middle stage of charging. This is because the difference in the number of lithium ions between the positive and negative electrodes of the battery during the initial charging stage and the full-charge stage is the largest, and the internal polarization is the largest.
  • the device to be charged is usually charged with the maximum charging current first. Since the internal resistance of the battery is relatively high at the initial stage of charging, the high-current rechargeable battery will quickly heat up, so the high-current maintenance time is relatively short. In the embodiment of the present invention, when charging is started, the first charging current is lower than the rated charging current. Since the internal resistance of the battery is relatively large in the initial stage of charging, charging with a small current can prevent the battery from heating up rapidly.
  • Step 102 in the process of charging the device to be charged with the first charging current, if it is detected that the battery state of the device to be charged meets the preset first switching condition, control the device to be charged to charge with the rated charging current; wherein, the first charging The current is less than the rated charging current, and the first switching condition is a switching condition set according to the temperature rise and/or voltage of the battery of the device to be charged.
  • the first switching condition can be set in advance.
  • the device to be charged detects whether the battery status meets the first switching condition. If the first switching condition is met, the charging is continued with the first charging current; if the first switching condition is met, a control signal is sent to the power supply device to control the power supply device to charge the device to be charged with the rated charging current.
  • the first switching condition is a switching condition set according to the temperature rise and/or voltage of the battery.
  • the first switching condition includes that the temperature rise of the battery reaches 3°C and/or the voltage reaches 1.0V, and when the temperature rise of the battery reaches 3°C and/or the voltage reaches 1.0V, the power supply device is controlled to use the rated charging current as the charging current. Charge the device.
  • the power adapter For example, if the rated charging current is 9A, first control the power adapter to charge the smartphone with a 6A charging current. During the charging process, if the temperature rise of the battery reaches 3°C and/or the battery voltage reaches 1.0V, the power adapter is controlled to 9A is charging the smart phone, see the charging current switching diagram shown in Figure 4, where the solid line is the battery temperature and the dashed line is the charging current.
  • the device to be charged and the power supply device are connected through a USB (Universal Serial Bus) interface
  • the device to be charged sends a control signal to the power supply device through the data signal pin of the USB interface
  • the power supply device sends a control signal to the power supply device through the power pin.
  • the device to be charged is charged.
  • the device to be charged when the charging signal is detected, the device to be charged is controlled to be charged with the first charging current; during the charging process of the device to be charged with the first charging current, if it is detected that the battery state of the device to be charged meets the preset first A switching condition is to control the device to be charged to charge with the rated charging current.
  • the first charging current when charging is started, the first charging current is lower than the rated charging current. Because the internal resistance of the battery is relatively large in the initial stage of charging, charging with a small current can prevent the battery from heating up quickly; Charge with the rated charging current, that is, the maximum charging current. At this time, the internal resistance of the battery is lower than the initial stage of charging. Charging with a large current will not cause the battery to heat up quickly, so it can maintain a long time of high current charging, thereby improving charging speed.
  • this embodiment relates to an optional process of detecting that the battery state of the device to be charged meets the preset first switching condition.
  • the battery status includes at least one of the current temperature, the current temperature rise, and the current voltage of the battery. The following describes in detail "Detecting the battery of the device to be charged” The specific implementation process of whether the state meets the preset first switching condition".
  • Method 1 Obtain the initial temperature and current temperature of the battery; determine the temperature rise of the battery according to the initial temperature and the current temperature; if the temperature rise of the battery reaches the first preset temperature rise, it is detected that the battery status of the device to be charged meets the first switch condition.
  • the initial temperature of the battery can be detected by the sensor and stored.
  • the power supply device uses the first charging current to charge the device to be charged, the device to be charged detects the current temperature of the battery through the sensor; determines the temperature rise of the battery according to the initial temperature and current temperature of the battery, and determines whether the temperature rise of the battery reaches The first preset temperature rise. If the temperature rise of the battery reaches the first preset temperature rise, it is determined that it is detected that the battery state meets the first switching condition, and then a control signal is sent to the power supply device to make the power supply device charge the device to be charged with the rated charging current. If the temperature rise of the battery does not reach the first preset temperature rise, the power supply device is controlled to continue to charge the device to be charged with the first charging current.
  • the smartphone detects the charging signal
  • the sensor detects that the initial temperature of the battery is 23°C
  • the power adapter is controlled to charge the smartphone with a charging current of 6A.
  • the smartphone detects that the current temperature of the battery is 24°C. Then, according to the initial temperature and the current temperature of the battery, it is determined that the temperature rise of the battery is 1° C., which does not reach the first preset temperature rise, continues to charge with a 6A charging current, and continues to detect the current temperature of the battery.
  • the temperature rise of the battery is determined to be 3°C according to the initial temperature and the current temperature of the battery, and the first preset temperature rise is reached, then it is determined that the battery state is detected to meet the first switching condition, and the control
  • the power adapter charges the smartphone with a rated charging current of 9A.
  • Method 2 Obtain the current voltage of the battery; determine whether the current voltage reaches the preset voltage; if the current voltage reaches the preset voltage, it is detected that the battery state of the device to be charged meets the first switching condition.
  • the current voltage of the battery is obtained. If the current voltage of the battery reaches the preset voltage, it is determined that the battery state meets the first switching condition; If the current voltage does not reach the preset voltage, continue charging with the first charging current.
  • the preset voltage is 1.0V
  • the power adapter charges the smartphone with a charging current of 6A.
  • the smartphone obtains the current battery voltage as 0.5V, and controls the power adapter to continue charging with a 6A charging current.
  • the smartphone obtains that the current voltage of the battery is 1.0V and reaches the preset voltage, it is determined that the battery state is detected to meet the first switching condition, and the power adapter is controlled to charge the smartphone with a rated charging current of 9A.
  • the current power of the battery is obtained, and it is determined whether the current power reaches the preset power; if the current power reaches the preset power, it is detected that the battery state of the device to be charged meets the first switching condition.
  • the current battery voltage can be converted to the current battery power according to the conversion relationship between the power and the voltage; the current battery power can also be calculated according to the relationship between the charging current and the power.
  • the embodiment of the present invention does not limit this in detail, and can be set according to actual conditions.
  • detecting the current temperature, current voltage, and current current of the battery may be detected in real time, or may be detected according to a preset detection cycle.
  • the embodiment of the present invention does not limit the detection period in detail, and can be set according to actual conditions.
  • the charging current can be switched according to the battery state, which not only ensures that the battery temperature will not be too high, and ensures the safe charging of the battery, but also ensures the charging speed and improves the charging efficiency.
  • this embodiment in addition to prolonging the high-current charging time, it is also necessary to control the temperature of the battery to avoid battery loss caused by excessive battery temperature.
  • this embodiment relates to an optional process of charging. Based on the above embodiment shown in FIG. 2, after the above step 102, the following steps may be further included:
  • Step 103 In the process of charging the device to be charged with the rated charging current, if it is detected that the battery state of the device to be charged meets the preset second switching condition, control the device to be charged to charge with the second charging current;
  • the second charging current is less than the rated charging current; the second switching condition is a switching condition set according to the temperature rise and/or temperature of the battery.
  • the second switching condition is preset to detect whether the battery state of the device to be charged meets the second switching condition, and if it is detected If the battery status meets the second switching condition, a control signal is sent to the power supply device to control the power supply device to charge the device to be charged with the second charging current; wherein the second charging current is less than the rated charging current; the second switching condition is based on the battery temperature Switching conditions for temperature setting and/or temperature. That is, if the temperature of the battery of the device to be charged rises or the temperature reaches the switching condition, the charging current is reduced, so that the temperature of the battery is reduced or no longer rises, thereby avoiding battery loss and prolonging battery life.
  • detecting that the battery state of the device to be charged satisfies a preset second switching condition may specifically include the following manner three and/or manner four:
  • Method 3 Obtain the initial temperature and current temperature of the battery; determine the temperature rise of the battery according to the initial temperature and the current temperature; if the temperature rise of the battery reaches the second preset temperature rise, it is detected that the battery status of the device to be charged meets the second switch condition.
  • the smartphone detects that the battery's initial temperature is 23°C and the current temperature is 28°C through the sensor. It is determined that the battery temperature rise is 5°C, which does not reach the second preset temperature rise. Then continue with the rated charging current of 9A. If it is detected that the current temperature of the battery is 31°C, and it is determined that the temperature rise of the battery is 8°C and reaches the second preset temperature rise, the power adapter is controlled to charge the smartphone with a charging current of 6A.
  • Method 4 Obtain the current temperature of the battery; determine whether the current temperature of the battery reaches the preset temperature; if the current temperature of the battery reaches the preset temperature, it is detected that the battery state of the device to be charged meets the second switching condition.
  • the smartphone detects that the battery's initial temperature is 23°C through the sensor, and the current temperature is 28°C. If the preset temperature is not reached, the smartphone will continue to charge the smartphone with a rated charging current of 9A; if it is detected The current temperature of the battery is 31°C. When it reaches the preset temperature, the power adapter is controlled to charge the smartphone with a charging current of 6A.
  • the second charging current can be the same as the first charging current or different from the first charging current, which is not limited in detail in the embodiment of the present invention, and can be set according to actual conditions.
  • Step 104 In the process of charging the device to be charged with the second charging current, if it is detected that the battery state of the device to be charged meets the preset third switching condition, control the device to be charged to charge with the third charging current;
  • the charging current is less than the second charging current;
  • the third switching condition is a switching condition set according to the temperature rise and/or temperature of the battery.
  • the third switching condition can be preset to detect the battery status Whether the third switching condition is satisfied, and if the third switching condition is satisfied, a control signal is sent to the power supply device to control the power supply device to charge the device to be charged with the third charging current.
  • the third switching condition is a switching condition set according to the temperature rise and/or temperature of the battery. Specifically, it is detected whether the temperature rise of the battery reaches the third preset temperature rise, or whether the temperature of the battery reaches the preset temperature; if the temperature rise of the battery reaches the third preset temperature and/or the temperature of the battery reaches the preset temperature, then Control the power supply device to charge the device to be charged with the third charging current, as shown in Figure 4. Wherein, the third charging current is less than the second charging current, that is, the charging current is further reduced, thereby cooling the battery.
  • the preset temperature is 31°C.
  • the preset temperature is reached, and the power adapter is controlled to charge the smartphone with a charging current of 4A.
  • the third preset temperature rise is 8°C, the initial temperature of the battery is 23°C, the current temperature is 31°C, the temperature rise of the battery is 8°C, and the third preset temperature rise is reached, and the power adapter is controlled to charge at 4A The current charges the smartphone.
  • the preset temperature in the third switching condition may be the same as or different from the preset temperature in the second switching condition. The embodiment of the present invention does not limit this in detail, and can be set according to actual conditions.
  • the third preset temperature rise may be the same as or different from the second preset temperature rise, which is not limited in detail in the embodiment of the present invention.
  • Step 105 If the current voltage of the battery reaches the charge cut-off voltage, control the device to be charged to charge with the charge cut-off voltage and constant voltage; in the process of charging the device to be charged at the charge cut-off voltage, if it is detected that the charging current reaches the charge cut-off current, control The device to be charged stops charging.
  • the charging current is the current charging current provided by the power supply device to the device to be charged.
  • a control signal is sent to the power supply device to control the power supply device to charge the device to be charged at a constant voltage with the charging cut-off voltage.
  • the charging cut-off voltage is 4.4V.
  • the power adapter is controlled to charge the smartphone at a constant voltage with 4.4V.
  • the power supply device uses the charging cut-off voltage to charge the device to be charged at a constant voltage, the charging current provided by the power supply device to the device to be charged is gradually reduced.
  • the charging cut-off current is 0.6A
  • the power adapter uses 4.4V to charge the smartphone at a constant voltage.
  • the charging current of the power adapter gradually decreases to 0.6A
  • the power adapter is controlled to stop charging, as shown in the charging current switching diagram shown in Figure 6. , Where the solid line is the battery temperature, and the dashed line is the charging current.
  • Using the charging cut-off voltage to charge the device to be charged at a constant voltage can make the battery more full.
  • the device to be charged in the process of charging the device to be charged with the rated charging current, if it is detected that the battery state of the device to be charged meets the preset second switching condition, the device to be charged is controlled to charge with the second charging current; During the charging process of the device with the second charging current, if it is detected that the battery status of the device to be charged meets the preset third switching condition, the device to be charged is controlled to charge with the third charging current; if the current voltage of the battery reaches the charging cut-off voltage, The device to be charged is controlled to be charged at a constant voltage with the charging cut-off voltage; during the charging process of the device to be charged with the charging cut-off voltage, if the charging current is detected to reach the charging cut-off current, the device to be charged is controlled to stop charging.
  • the power supply device when charging at the rated charging current, switching to the second charging current charging or switching to the third charging current charging according to the battery status prevents excessive battery temperature from damaging the device to be charged, thereby prolonging the life of the device to be charged .
  • the power supply device is controlled to charge the device to be charged at a constant voltage with the charge cut-off voltage, so that the power of the battery can be more full.
  • a charging device including:
  • the first control module 201 is configured to control the device to be charged to charge with the first charging current when the charging signal is detected;
  • the second control module 202 is configured to control the device to be charged to charge at the rated charging current if it is detected that the battery state of the device to be charged meets the preset first switching condition during the charging process of the device to be charged with the first charging current;
  • the first charging current is less than the rated charging current
  • the first switching condition is a switching condition set according to the temperature rise and/or voltage of the battery of the device to be charged.
  • the device further includes a third control module 203, see Figure 8:
  • the third control module 203 is configured to control the device to be charged to charge with the second charging current if it is detected that the battery state of the device to be charged meets the preset second switching condition during the charging process of the device to be charged with the rated charging current;
  • the second charging current is less than the rated charging current
  • the second switching condition is a switching condition set according to the temperature rise and/or temperature of the battery.
  • the battery status includes at least one of the current temperature, the current temperature rise, and the current voltage of the battery.
  • the above-mentioned second control module 202 is specifically configured to obtain the initial temperature and the current temperature of the battery; determine the temperature rise of the battery according to the initial temperature and the current temperature; if the temperature rise of the battery reaches the first preset temperature rise , It is detected that the battery state of the device to be charged meets the first switching condition.
  • the above-mentioned second control module 202 is specifically configured to obtain the current voltage of the battery; determine whether the current voltage reaches the preset voltage; if the current voltage reaches the preset voltage, it is detected that the battery status of the device to be charged meets The first switching condition.
  • the above-mentioned third control module 203 is specifically configured to obtain the initial temperature and the current temperature of the battery; determine the temperature rise of the battery according to the initial temperature and the current temperature; if the temperature rise of the battery reaches the second preset temperature rise , It is detected that the battery status of the device to be charged meets the second switching condition.
  • the third control module 203 is specifically configured to obtain the current temperature of the battery; determine whether the current temperature of the battery reaches the preset temperature; if the current temperature of the battery reaches the preset temperature, the device to be charged is detected The battery status meets the second switching condition.
  • the device further includes a fourth control module 204, as shown in Fig. 8:
  • the fourth control module 204 is used to control the device to be charged to be charged with the third charging current if it is detected that the battery state of the device to be charged meets the preset third switching condition during the charging process with the second charging current ;
  • the third charging current is smaller than the second charging current; the third switching condition is a switching condition set according to the temperature rise and/or temperature of the battery.
  • the device further includes a fifth control module 205 and a sixth control module 206, as shown in Fig. 8:
  • the fifth control module 205 is configured to, if the current voltage of the battery reaches the charge cut-off voltage, control the device to be charged to charge at a constant voltage with the charge cut-off voltage;
  • the sixth control module 206 is configured to control the device to be charged to stop charging if it is detected that the charging current reaches the charging cut-off current during the charging process of the charging cut-off voltage.
  • Each module in the above-mentioned charging device can be implemented in whole or in part by software, hardware and a combination thereof.
  • the foregoing modules may be embedded in the form of hardware or independent of the processor in the electronic device, or may be stored in the memory of the electronic device in the form of software, so that the processor can call and execute the operations corresponding to the foregoing modules.
  • a mobile terminal is provided, and its internal structure diagram may be as shown in FIG. 9.
  • the mobile terminal includes a processor, a memory, a network interface, a display screen and an input device connected through a system bus.
  • the processor of the mobile terminal is used to provide calculation and control capabilities.
  • the memory of the mobile terminal includes a non-volatile storage medium and an internal memory.
  • the non-volatile storage medium stores an operating system and a computer program.
  • the internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage medium.
  • the network interface of the mobile terminal is used to communicate with an external terminal through a network connection.
  • the computer program is executed by the processor to realize a charging method.
  • the display screen of the mobile terminal can be a liquid crystal display screen or an electronic ink display screen
  • the input device of the mobile terminal can be a touch layer covered on the display screen, or it can be a button, trackball or touchpad set on the shell of the mobile terminal , It can also be an external keyboard, touchpad, or mouse.
  • FIG. 9 is only a block diagram of part of the structure related to the solution of the present application, and does not constitute a limitation on the mobile terminal to which the solution of the present application is applied.
  • the specific mobile terminal may Including more or fewer parts than shown in the figure, or combining some parts, or having a different arrangement of parts.
  • an electronic device including a memory and a processor, a computer program is stored in the memory, and the processor implements the following steps when executing the computer program:
  • the first charging current is less than the rated charging current
  • the first switching condition is a switching condition set according to the temperature rise and/or voltage of the battery of the device to be charged.
  • the processor further implements the following steps when executing the computer program:
  • the second charging current is less than the rated charging current
  • the second switching condition is a switching condition set according to the temperature rise and/or temperature of the battery.
  • the battery status includes at least one of the current temperature, the current temperature rise, and the current voltage of the battery.
  • the processor further implements the following steps when executing the computer program:
  • the temperature rise of the battery reaches the first preset temperature rise, it is detected that the battery state of the device to be charged meets the first switching condition.
  • the processor further implements the following steps when executing the computer program:
  • the processor further implements the following steps when executing the computer program:
  • the processor further implements the following steps when executing the computer program:
  • the processor further implements the following steps when executing the computer program:
  • the third charging current is smaller than the second charging current; the third switching condition is a switching condition set according to the temperature rise and/or temperature of the battery.
  • the processor further implements the following steps when executing the computer program:
  • the device to be charged is controlled to stop charging.
  • a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented:
  • the first charging current is less than the rated charging current
  • the first switching condition is a switching condition set according to the temperature rise and/or voltage of the battery of the device to be charged.
  • the computer program further implements the following steps when being executed by the processor:
  • the second charging current is less than the rated charging current
  • the second switching condition is a switching condition set according to the temperature rise and/or temperature of the battery.
  • the battery status includes at least one of the current temperature, the current temperature rise, and the current voltage of the battery.
  • the computer program further implements the following steps when being executed by the processor:
  • the temperature rise of the battery reaches the first preset temperature rise, it is detected that the battery state of the device to be charged meets the first switching condition.
  • the computer program further implements the following steps when being executed by the processor:
  • the computer program further implements the following steps when being executed by the processor:
  • the computer program further implements the following steps when being executed by the processor:
  • the computer program further implements the following steps when being executed by the processor:
  • the third charging current is smaller than the second charging current; the third switching condition is a switching condition set according to the temperature rise and/or temperature of the battery.
  • the computer program further implements the following steps when being executed by the processor:
  • the device to be charged is controlled to stop charging.
  • Non-volatile memory may include read only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory.
  • Volatile memory may include random access memory (RAM) or external cache memory.
  • RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous chain Channel (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

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Abstract

一种充电方法、装置、电子设备和存储介质。所述方法包括：在检测到充电信号时，控制待充电设备以第一充电电流充电(101)；在所述待充电设备以所述第一充电电流充电过程中，若检测到所述待充电设备的电池状态满足预设的第一切换条件，则控制所述待充电设备以额定充电电流充电(102)；其中，所述第一充电电流小于所述额定充电电流，所述第一切换条件为根据待充电设备的电池的温升和/或电压设置的切换条件。可以避免充电初始阶段电池迅速升温，能维持较长时间的大电流充电，提高充电速度。

Description

充电方法、装置、电子设备和存储介质
相关申请的交叉引用
本申请要求于2019年07月31日提交中国专利局，申请号为201910700900X，申请名称为“充电方法、装置、电子设备和存储介质”的中国专利申请的优先权，其全部内容通过引用结合在本发明中。
技术领域
本申请涉及充电技术领域，特别是涉及一种充电方法、装置、电子设备和存储介质。
背景技术
随着科技的飞速发展，移动终端深入到人们的生活和工作中，变得越来越普及。其中，由于快速充电可以缩短充电时间，为人们的使用带来便利，因此快速充电方式成为了移动终端充电方式的主要研究方向。
相关技术中，快速充电方式通常是先以一个最大充电电流为移动终端充电，随后不断降低充电电流。以最大充电电流为移动终端充电可以缩短充电时间，但是，电池温度在大电流充电时上升很快，为了避免电池温度过高对移动终端造成损伤，通常将最大充电电流的充电时间限定在较短的时间范围内。
但是，由于最大充电电流的维持时间较短，难以提高充电速度。
发明内容
基于此，有必要针对上述技术问题，提供一种能够增加最大电流的维持时间，提高充电速度的充电方法、装置、电子设备和存储介质。
第一方面，提供了一种充电方法，该方法包括：
在检测到充电信号时，控制待充电设备以第一充电电流充电；
在待充电设备以第一充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第一切换条件，则控制待充电设备以额定充电电流充电；
其中，第一充电电流小于额定充电电流，第一切换条件为根据待充电设备的电池的温升和/或电压设置的切换条件。
在其中一个实施例中，该方法还包括：
在待充电设备以额定充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第二切换条件，则控制待充电设备以第二充电电流充电；
其中，第二充电电流小于额定充电电流，第二切换条件为根据电池的温升和/或温度设置的切换条件。
在其中一个实施例中，电池状态包括：电池的当前温度、当前温升和当前电压中的至 少一种。
在其中一个实施例中，检测到待充电设备的电池状态满足预设的第一切换条件，包括：
获取电池的初始温度和当前温度；
根据初始温度和当前温度确定电池的温升；
若电池的温升达到第一预设温升，则检测到待充电设备的电池状态满足第一切换条件。
在其中一个实施例中，检测到待充电设备的电池状态满足预设的第一切换条件，包括：
获取电池的当前电压；
判断当前电压是否达到预设电压；
若当前电压达到预设电压，则检测到待充电设备的电池状态满足第一切换条件。
在其中一个实施例中，检测到待充电设备的电池状态满足预设的第二切换条件，包括：
获取电池的初始温度和当前温度；
根据初始温度和当前温度确定电池的温升；
若电池的温升达到第二预设温升，则检测到待充电设备的电池状态满足第二切换条件。
在其中一个实施例中，检测到待充电设备的电池状态满足预设的第二切换条件，包括：
获取电池的当前温度；
判断电池的当前温度是否达到预设温度；
若电池的当前温度达到预设温度，则检测到待充电设备的电池状态满足第二切换条件。
在其中一个实施例中，该方法还包括：
在待充电设备以第二充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第三切换条件，则控制待充电设备以第三充电电流充电；
其中，第三充电电流小于第二充电电流；第三切换条件为根据电池的温升和/或温度设置的切换条件。
在其中一个实施例中，该方法还包括：
若电池的当前电压达到充电截止电压，则控制待充电设备以充电截止电压恒压充电；
在待充电设备以充电截止电压充电过程中，若检测到充电电流达到充电截止电流，则控制待充电设备停止充电。
第二方面，提供了一种充电装置，该装置包括：
第一控制模块，用于在检测到充电信号时，控制待充电设备以第一充电电流充电；
第二控制模块，用于在待充电设备以第一充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第一切换条件，则控制待充电设备以额定充电电流充电；
其中，第一充电电流小于额定充电电流，第一切换条件为根据待充电设备的电池的温升和/或电压设置的切换条件。
在其中一个实施例中，该装置还包括：
第三控制模块，用于在待充电设备以额定充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第二切换条件，则控制待充电设备以第二充电电流充电；
其中，第二充电电流小于额定充电电流，第二切换条件为根据电池的温升和/或温度设置的切换条件。
在其中一个实施例中，电池状态包括：电池的当前温度、当前温升和当前电压中的至少一种。
在其中一个实施例中，上述第二控制模块，具体用于获取电池的初始温度和当前温度；根据初始温度和当前温度确定电池的温升；若电池的温升达到第一预设温升，则检测到待充电设备的电池状态满足第一切换条件。
在其中一个实施例中，上述第二控制模块，具体用于获取电池的当前电压；判断当前电压是否达到预设电压；若当前电压达到预设电压，则检测到待充电设备的电池状态满足第一切换条件。
在其中一个实施例中，上述第三控制模块，具体用于获取电池的初始温度和当前温度；根据初始温度和当前温度确定电池的温升；若电池的温升达到第二预设温升，则检测到待充电设备的电池状态满足第二切换条件。
在其中一个实施例中，上述第三控制模块，具体用于获取电池的当前温度；判断电池的当前温度是否达到预设温度；若电池的当前温度达到预设温度，则检测到待充电设备的电池状态满足第二切换条件。
在其中一个实施例中，该装置还包括：
第四控制模块，用于在待充电设备以第二充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第三切换条件，则控制待充电设备以第三充电电流充电；
其中，第三充电电流小于第二充电电流；第三切换条件为根据电池的温升和/或温度设置的切换条件。
在其中一个实施例中，该装置还包括：
第五控制模块，用于若电池的当前电压达到充电截止电压，则控制待充电设备以充电截止电压恒压充电；
第六控制模块，用于在待充电设备以充电截止电压充电过程中，若检测到充电电流达到充电截止电流，则控制待充电设备停止充电。
第三方面，提供了一种电子设备，包括存储器和处理器，存储器存储有计算机程序，该处理器执行计算机程序时实现如上述方法的步骤。
第四方面，提供了一种计算机可读存储介质，其上存储有计算机程序，该计算机程序被处理器执行时实现如上述方法的步骤。
上述充电方法、装置、电子设备和存储介质，在检测到充电信号时，控制待充电设备以第一充电电流充电；在待充电设备以第一充电电流充电过程中，若检测到待充电设备的 电池状态满足预设的第一切换条件，则控制待充电设备以额定充电电流充电。通过本发明实施例，在开始充电时，先以低于额定充电电流的第一充电电流进行充电，由于充电初始阶段电池内阻值较大，以小电流充电可以避免电池迅速升温；接着，再以额定充电电流即最大充电电流进行充电，此时电池的内阻值比充电初始阶段降低，以大电流充电也不会使电池迅速升温，因此能维持较长时间的大电流充电，从而提高充电速度。
附图说明
图1为一个实施例中充电方法的应用环境图；
图2为一个实施例中充电方法的流程示意图；
图3为一个实施例中充电过程中电池内阻值的变化图；
图4为一个实施例中充电电流切换图之一；
图5为另一个实施例中充电方法的流程示意图；
图6为一个实施例中充电电流切换图之二；
图7为一个实施例中充电装置的结构框图之一；
图8为一个实施例中充电装置的结构框图之二；
图9为一个实施例中移动终端的内部结构图。
具体实施例方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
本申请提供的充电方法，可以应用于如图1所示的应用环境中。其中，应用环境中包括待充电设备10和供电设备20。其中，待充电设备10可以但不限于是各种笔记本电脑、智能手机、平板电脑和便携式可穿戴设备。供电设备20可以是各种电源适配器。该充电方法可以应用于待充电设备10，也可以应用于电源适配器，本发明实施例对此不作详细限定，可以根据实际情况进行设置。
在一个实施例中，如图2所示，提供了一种充电方法，以该方法应用于图1中的待充电设备为例进行说明，包括以下步骤：
步骤101，在检测到充电信号时，控制待充电设备以第一充电电流充电。
本实施例中，预先在待充电设备中预置第一充电电流的电流值，并且第一充电电流小于额定充电电流，该额定充电电流可以是使得充电功率达到最大值的电流。待充电设备在检测到充电信号时，向供电设备发送控制信号，控制供电设备以第一充电电流为待充电设备充电。例如，额定充电电流为9A，预先设置第一充电电流为6A，在检测到充电信号时，控制电源适配器以6A的充电电流为智能手机充电。其中，待充电设备在检测到充电信号 时，表明供电设备开始为待充电设备充电，比如，从待充电设备与电源适配器连接开始，待充电设备进入充电初始阶段。
参照图3，示出了充电过程中电池内阻值的变化情况。从图中可以看出，电池的内阻值在充电初始阶段较高，在充满阶段也比较高，而在充电中间阶段比较低。这是因为，充电初始阶段和充满阶段电池正负极的锂离子数量相差最大，内部极化最大。在现有技术中，通常是先以最大的充电电流为待充电设备充电，由于充电初始阶段电池的内阻值比较高，采用大电流充电电池会迅速升温，因此大电流的维持时间比较短。而本发明实施例中，在开始充电时，先以低于额定充电电流的第一充电电流充电，由于充电初始阶段电池内阻值较大，以小电流充电可以避免电池迅速升温。
步骤102，在待充电设备以第一充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第一切换条件，则控制待充电设备以额定充电电流充电；其中，第一充电电流小于额定充电电流，第一切换条件为根据待充电设备的电池的温升和/或电压设置的切换条件。
本实施例中，一直以小电流充电则不能提高充电速度，因此可以预先设置第一切换条件，在第一充电电流充电过程中，待充电设备检测电池状态是否满足第一切换条件，如果不满足第一切换条件，则继续以第一充电电流充电；如果满足第一切换条件，则向供电设备发送控制信号，控制供电设备以额定充电电流为待充电设备充电。其中，第一切换条件为根据电池的温升和/或电压设置的切换条件。例如，第一切换条件包括电池的温升达到3℃和/或电压达到1.0V，则当电池的温升达到3℃和/或电压达到1.0V时，控制供电设备以额定充电电流为待充电设备充电。
例如，额定充电电流为9A，先控制电源适配器以6A的充电电流为智能手机充电，在充电过程中，如果电池的温升达到3℃和/或电池的电压达到1.0V，则控制电源适配器以9A为智能手机充电，见图4所示的充电电流切换图，其中实线为电池的温度，虚线为充电电流。
由于在充电中间阶段电池的内阻值较低，因此以额定充电电流即最大充电电流进行充电，也不会使电池迅速升温，从而能维持较长时间的大电流充电，进而提高了充电速度。
可选地，待充电设备与供电设备通过USB(Universal Serial Bus，通用串行总线)接口连接，待充电设备通过USB接口的数据信号引脚向供电设备发送控制信号，供电设备通过电源引脚向待充电设备充电。
上述充电方法中，在检测到充电信号时，控制待充电设备以第一充电电流充电；在待充电设备以第一充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第一切换条件，则控制待充电设备以额定充电电流充电。通过本发明实施例，在开始充电时，先以低于额定充电电流的第一充电电流进行充电，由于充电初始阶段电池内阻值较大，以小电流充电可以避免电池迅速升温；接着，再以额定充电电流即最大充电电流进行充电，此时电池的内阻值比充电初始阶段降低，以大电流充电也不会使电池迅速升温，因此能维持 较长时间的大电流充电，从而提高充电速度。
在另一个实施例中，本实施例涉及的是检测到待充电设备的电池状态满足预设的第一切换条件的一种可选的过程。在上述图2所示实施例的基础上，电池状态包括：电池的当前温度、当前温升和当前电压中的至少一种，下面以方式一和方式二分别详细介绍“检测待充电设备的电池状态是否满足预设的第一切换条件”的具体实现过程。
方式一：获取电池的初始温度和当前温度；根据初始温度和当前温度确定电池的温升；若电池的温升达到第一预设温升，则检测到待充电设备的电池状态满足第一切换条件。
本实施例中，待充电设备在检测到充电信号时，可以通过传感器检测电池的初始温度并存储。在供电设备以第一充电电流为待充电设备充电的过程中，待充电设备通过传感器检测电池的当前温度；并根据电池的初始温度和当前温度确定电池的温升，判断电池的温升是否达到第一预设温升。如果电池的温升达到第一预设温升，则确定检测到电池状态满足第一切换条件，然后向供电设备发送控制信号，使供电设备以额定充电电流为待充电设备充电。如果电池的温升未达到第一预设温升，则控制供电设备继续以第一充电电流为待充电设备充电。
例如，第一预设温升为3℃，智能手机检测到充电信号时，通过传感器检测到电池的初始温度为23℃，控制电源适配器以6A的充电电流为智能手机充电。在以6A的充电电流充电时，智能手机检测电池的当前温度为24℃。接着，根据电池的初始温度和当前温度确定电池的温升为1℃，未达到第一预设温升，继续以6A的充电电流充电，并继续检测电池的当前温度。当检测到电池的当前温度为26℃时，根据电池的初始温度和当前温度确定电池的温升为3℃，达到第一预设温升，则确定检测到电池状态满足第一切换条件，控制电源适配器以9A的额定充电电流为智能手机充电。
方式二：获取电池的当前电压；判断当前电压是否达到预设电压；若当前电压达到预设电压，则检测到待充电设备的电池状态满足第一切换条件。
本实施例中，在供电设备以第一充电电流为待充电设备充电时，获取电池的当前电压，如果电池的当前电压达到预设电压，则确定检测到电池状态满足第一切换条件；如果电池的当前电压未到达预设电压，则继续以第一充电电流充电。例如，预设电压为1.0V，电源适配器以6A的充电电流为智能手机充电。智能手机获取到电池的当前电压为0.5V，控制电源适配器继续以6A的充电电流充电。当智能手机获取到电池的当前电压为1.0V时，达到预设电压，则确定检测到电池状态满足第一切换条件，控制电源适配器以9A的额定充电电流为智能手机充电。
可选地，还可以通过电池的当前电量来检测待充电设备的电池状态是否满足第一切换条件。例如，获取电池的当前电量，判断当前电量是否达到预设电量；若当前电量达到预设电量，则检测到待充电设备的电池状态满足第一切换条件。其中，可以根据电量与电压之间的换算关系，将电池的当前电压换算为电池的当前电量；也可以根据充电电流与电量 之间的关系，计算电池的当前电量。本发明实施例对此不作详细限定，可以根据实际情况进行设置。
可选地，检测电池的当前温度、当前电压、当前电流可以实时检测，也可以按照预设的检测周期进行检测。本发明实施例对检测周期不作详细限定，可以根据实际情况进行设置。
上述检测到待充电设备的电池状态满足预设的第一切换条件的步骤中，当电池的温升达到第一预设温升和/或当前电压达到预设电压时，确定检测到待充电设备的电池状态满足第一切换条件，控制待充电设备以额定充电电流充电。通过本发明实施例，可以根据电池状态进行充电电流的切换，既保证电池温度不会过高，保证电池安全充电，也可以保证充电速度，提高充电效率。
在另一个实施例中，在延长大电流充电时长的基础上，还需要控制电池的温度，避免电池温度过高造成电池的损耗。如图5所示，本实施例涉及的是充电的一种可选的过程。在上述图2所示实施例的基础上，在上述步骤102之后，还可以包括以下步骤：
步骤103，在待充电设备以额定充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第二切换条件，则控制待充电设备以第二充电电流充电；
其中，第二充电电流小于额定充电电流；第二切换条件为根据电池的温升和/或温度设置的切换条件。
本实施例中，在额定充电电流的充电过程中，为了避免电池温度过高对待充电设备造成损伤，预先设置第二切换条件，检测待充电设备的电池状态是否满足第二切换条件，如果检测到电池状态满足第二切换条件，则向供电设备发送控制信号，控制供电设备以第二充电电流为待充电设备充电；其中，第二充电电流小于额定充电电流；第二切换条件为根据电池的温升和/或温度设置的切换条件。也就是说，如果待充电设备的电池的温升或者温度达到切换条件，则降低充电电流，从而使电池的温度降低或不再升高，从而避免造成电池损耗，延长电池寿命。
可选地，检测到待充电设备的电池状态满足预设的第二切换条件，具体可以包括以下方式三和/或方式四：
方式三：获取电池的初始温度和当前温度；根据初始温度和当前温度确定电池的温升；若电池的温升达到第二预设温升，则检测到待充电设备的电池状态满足第二切换条件。
例如，第二预设温升为8℃，智能手机通过传感器检测到电池的初始温度为23℃，当前温度为28℃，确定电池的温升为5℃，未到达第二预设温升，则继续以额定充电电流9A。如果检测到电池的当前温度为31℃，确定电池的温升为8℃，达到第二预设温升，则控制电源适配器以6A的充电电流为智能手机充电。
方式四：获取电池的当前温度；判断电池的当前温度是否达到预设温度；若电池的当前温度达到预设温度，则检测到待充电设备的电池状态满足第二切换条件。
例如，预设温度为31℃，智能手机通过传感器检测到电池的初始温度为23℃，当前温度为28℃，未到达预设温度，则继续以额定充电电流9A为智能手机充电；如果检测到电池的当前温度为31℃，达到预设温度，则控制电源适配器以6A的充电电流为智能手机充电。
需要说明的是，第二充电电流可以与第一充电电流相同，也可以与第一充电电流不同，本发明实施例对此不作详细限定，可以根据实际情况进行设置。
进一步地，如果在供电设备以第二充电电流为待充电设备充电的过程中，电池的温度继续升高，或者是需要让电池迅速降温，还可以包括以下步骤：
步骤104，在待充电设备以第二充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第三切换条件，则控制待充电设备以第三充电电流充电；其中，第三充电电流小于第二充电电流；第三切换条件为根据电池的温升和/或温度设置的切换条件。
本实施例中，如果在供电设备以第二充电电流为待充电设备充电的过程中，电池的温度继续升高，或者是需要让电池迅速降温，则可以预先设置第三切换条件，检测电池状态是否满足第三切换条件，如果满足第三切换条件，则向供电设备发送控制信号，控制供电设备以第三充电电流为待充电设备充电。
其中，第三切换条件为根据电池的温升和/或温度设置的切换条件。具体地，检测电池的温升是否达到第三预设温升，或者电池的温度是否达到预设温度；如果电池的温升达到第三预设温度和/或电池的温度达到预设温度，则控制供电设备以第三充电电流为待充电设备充电，见图4。其中，第三充电电流小于第二充电电流，即进一步降低充电电流，从而使电池降温。
例如，预设温度为31℃，当检测到电池的当前温度为31℃时，达到预设温度，控制电源适配器以4A的充电电流为智能手机充电。又如，第三预设温升为8℃，电池的初始温度为23℃，当前温度为31℃，电池的温升为8℃，达到第三预设温升，控制电源适配器以4A的充电电流为智能手机充电。第三切换条件中的预设温度可以与第二切换条件中的预设温度相同，也可以不同，本发明实施例对此不作详细限定，可以根据实际情况设置。同样地，第三预设温升可以与第二预设温升相同，也可以不同，本发明实施例对此也不作详细限定。
步骤105，若电池的当前电压达到充电截止电压，则控制待充电设备以充电截止电压恒压充电；在待充电设备以充电截止电压充电过程中，若检测到充电电流达到充电截止电流，则控制待充电设备停止充电。
本实施例中，该充电电流为供电设备提供给待充电设备的当前充电电流。当电池的当前电压达到充电截止电压时，向供电设备发送控制信号，控制供电设备以充电截止电压为待充电设备恒压充电。例如，充电截止电压为4.4V,当电池的当前电压达到4.4V时，控制电源适配器以4.4V为智能手机恒压充电。
供电设备以充电截止电压为待充电设备恒压充电时，供电设备为待充电设备提供的充 电电流逐渐降低，当检测到该充电电流达到充电截止电流时，向供电设备发送控制信号，控制供电设备停止供电。例如，充电截止电流为0.6A，电源适配器以4.4V为智能手机恒压充电，当电源适配器的充电电流逐渐降低达到0.6A时，控制电源适配器停止充电，见图6所示的充电电流切换图，其中实线为电池的温度，虚线为充电电流。以充电截止电压为待充电设备恒压充电可以使电池的电量更加饱满。
上述充电方法中，在待充电设备以额定充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第二切换条件，则控制待充电设备以第二充电电流充电；在待充电设备以第二充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第三切换条件，则控制待充电设备以第三充电电流充电；若电池的当前电压达到充电截止电压，则控制待充电设备以充电截止电压恒压充电；在待充电设备以充电截止电压充电过程中，若检测到充电电流达到充电截止电流，则控制待充电设备停止充电。通过本发明实施例，在额定充电电流充电时，根据电池状态切换至第二充电电流充电，或者切换至第三充电电流充电，避免电池温度过高损坏待充电设备，从而延长待充电设备的寿命。并且，以在供电设备的当前电压达到充电截止电压后，控制供电设备以充电截止电压为待充电设备恒压充电，可以使电池的电量更加饱满。
应该理解的是，虽然图2-5的流程图中的各个步骤按照箭头的指示依次显示，但是这些步骤并不是必然按照箭头指示的顺序依次执行。除非本文中有明确的说明，这些步骤的执行并没有严格的顺序限制，这些步骤可以以其它的顺序执行。而且，图2-5中的至少一部分步骤可以包括多个子步骤或者多个阶段，这些子步骤或者阶段并不必然是在同一时刻执行完成，而是可以在不同的时刻执行，这些子步骤或者阶段的执行顺序也不必然是依次进行，而是可以与其它步骤或者其它步骤的子步骤或者阶段的至少一部分轮流或者交替地执行。
在一个实施例中，如图7所示，提供了一种充电装置，包括：
第一控制模块201，用于在检测到充电信号时，控制待充电设备以第一充电电流充电；
第二控制模块202，用于在待充电设备以第一充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第一切换条件，则控制待充电设备以额定充电电流充电；
其中，第一充电电流小于额定充电电流，第一切换条件为根据待充电设备的电池的温升和/或电压设置的切换条件。
在其中一个实施例中，该装置还包括第三控制模块203，见图8：
第三控制模块203，用于在待充电设备以额定充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第二切换条件，则控制待充电设备以第二充电电流充电；
其中，第二充电电流小于额定充电电流，第二切换条件为根据电池的温升和/或温度设置的切换条件。
在其中一个实施例中，电池状态包括：电池的当前温度、当前温升和当前电压中的至 少一种。
在其中一个实施例中，上述第二控制模块202，具体用于获取电池的初始温度和当前温度；根据初始温度和当前温度确定电池的温升；若电池的温升达到第一预设温升，则检测到待充电设备的电池状态满足第一切换条件。
在其中一个实施例中，上述第二控制模块202，具体用于获取电池的当前电压；判断当前电压是否达到预设电压；若当前电压达到预设电压，则检测到待充电设备的电池状态满足第一切换条件。
在其中一个实施例中，上述第三控制模块203，具体用于获取电池的初始温度和当前温度；根据初始温度和当前温度确定电池的温升；若电池的温升达到第二预设温升，则检测到待充电设备的电池状态满足第二切换条件。
在其中一个实施例中，上述第三控制模块203，具体用于获取电池的当前温度；判断电池的当前温度是否达到预设温度；若电池的当前温度达到预设温度，则检测到待充电设备的电池状态满足第二切换条件。
在其中一个实施例中，该装置还包括第四控制模块204，见图8：
第四控制模块204，用于在待充电设备以第二充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第三切换条件，则控制待充电设备以第三充电电流充电；
其中，第三充电电流小于第二充电电流；第三切换条件为根据电池的温升和/或温度设置的切换条件。
在其中一个实施例中，该装置还包括第五控制模块205、第六控制模块206，见图8：
第五控制模块205，用于若电池的当前电压达到充电截止电压，则控制待充电设备以充电截止电压恒压充电；
第六控制模块206，用于在充电截止电压充电过程中，若检测到充电电流达到充电截止电流，则控制待充电设备停止充电。
关于充电装置的具体限定可以参见上文中对于充电方法的限定，在此不再赘述。上述充电装置中的各个模块可全部或部分通过软件、硬件及其组合来实现。上述各模块可以硬件形式内嵌于或独立于电子设备中的处理器中，也可以以软件形式存储于电子设备中的存储器中，以便于处理器调用执行以上各个模块对应的操作。
在一个实施例中，提供了一种移动终端，其内部结构图可以如图9所示。该移动终端包括通过系统总线连接的处理器、存储器、网络接口、显示屏和输入装置。其中，该移动终端的处理器用于提供计算和控制能力。该移动终端的存储器包括非易失性存储介质、内存储器。该非易失性存储介质存储有操作系统和计算机程序。该内存储器为非易失性存储介质中的操作系统和计算机程序的运行提供环境。该移动终端的网络接口用于与外部的终端通过网络连接通信。该计算机程序被处理器执行时以实现一种充电方法。该移动终端的显示屏可以是液晶显示屏或者电子墨水显示屏，该移动终端的输入装置可以是显示屏上覆盖的触摸层，也可以是移动终端外壳上设置的按键、轨迹球或触控板，还可以是外接的键 盘、触控板或鼠标等。
本领域技术人员可以理解，图9中示出的结构，仅仅是与本申请方案相关的部分结构的框图，并不构成对本申请方案所应用于其上的移动终端的限定，具体的移动终端可以包括比图中所示更多或更少的部件，或者组合某些部件，或者具有不同的部件布置。
在一个实施例中，提供了一种电子设备，包括存储器和处理器，存储器中存储有计算机程序，该处理器执行计算机程序时实现以下步骤：
在检测到充电信号时，控制待充电设备以第一充电电流充电；
在待充电设备以第一充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第一切换条件，则控制待充电设备以额定充电电流充电；
其中，第一充电电流小于额定充电电流，第一切换条件为根据待充电设备的电池的温升和/或电压设置的切换条件。
在其中一个实施例中，处理器执行计算机程序时还实现以下步骤：
在待充电设备以额定充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第二切换条件，则控制待充电设备以第二充电电流为待充电设备充电；
其中，第二充电电流小于额定充电电流，第二切换条件为根据电池的温升和/或温度设置的切换条件。
在其中一个实施例中，电池状态包括：电池的当前温度、当前温升和当前电压中的至少一种。
在其中一个实施例中，处理器执行计算机程序时还实现以下步骤：
获取电池的初始温度和当前温度；
根据初始温度和当前温度确定电池的温升；
若电池的温升达到第一预设温升，则检测到待充电设备的电池状态满足第一切换条件。
在其中一个实施例中，处理器执行计算机程序时还实现以下步骤：
获取电池的当前电压；
判断当前电压是否达到预设电压；
若当前电压达到预设电压，则检测到待充电设备的电池状态满足第一切换条件。
在其中一个实施例中，处理器执行计算机程序时还实现以下步骤：
获取电池的初始温度和当前温度；
根据初始温度和当前温度确定电池的温升；
若电池的温升达到第二预设温升，则检测到待充电设备的电池状态满足第二切换条件。
在其中一个实施例中，处理器执行计算机程序时还实现以下步骤：
获取电池的当前温度；
判断电池的当前温度是否达到预设温度；
若电池的当前温度达到预设温度，则检测到待充电设备的电池状态满足第二切换条件。
在其中一个实施例中，处理器执行计算机程序时还实现以下步骤：
在待充电设备以第二充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第三切换条件，则控制待充电设备以第三充电电流充电；
其中，第三充电电流小于第二充电电流；第三切换条件为根据电池的温升和/或温度设置的切换条件。
在其中一个实施例中，处理器执行计算机程序时还实现以下步骤：
若电池的当前电压达到充电截止电压，则控制待充电设备以充电截止电压恒压充电；
在待充电设备以充电截止电压充电过程中，若检测到充电电流达到充电截止电流，则控制待充电设备停止充电。
在一个实施例中，提供了一种计算机可读存储介质，其上存储有计算机程序，计算机程序被处理器执行时实现以下步骤：
在检测到充电信号时，控制待充电设备以第一充电电流充电；
在待充电设备以第一充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第一切换条件，则控制待充电设备以额定充电电流充电；
其中，第一充电电流小于额定充电电流，第一切换条件为根据待充电设备的电池的温升和/或电压设置的切换条件。
在其中一个实施例中，计算机程序被处理器执行时还实现以下步骤：
在待充电设备以额定充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第二切换条件，则控制待充电设备以第二充电电流充电；
其中，第二充电电流小于额定充电电流，第二切换条件为根据电池的温升和/或温度设置的切换条件。
在其中一个实施例中，电池状态包括：电池的当前温度、当前温升和当前电压中的至少一种。
在其中一个实施例中，计算机程序被处理器执行时还实现以下步骤：
获取电池的初始温度和当前温度；
根据初始温度和当前温度确定电池的温升；
若电池的温升达到第一预设温升，则检测到待充电设备的电池状态满足第一切换条件。
在其中一个实施例中，计算机程序被处理器执行时还实现以下步骤：
获取电池的当前电压；
判断当前电压是否达到预设电压；
若当前电压达到预设电压，则检测到待充电设备的电池状态满足第一切换条件。
在其中一个实施例中，计算机程序被处理器执行时还实现以下步骤：
获取电池的初始温度和当前温度；
根据初始温度和当前温度确定电池的温升；
若电池的温升达到第二预设温升，则检测到待充电设备的电池状态满足第二切换条件。
在其中一个实施例中，计算机程序被处理器执行时还实现以下步骤：
获取电池的当前温度；
判断电池的当前温度是否达到预设温度；
若电池的当前温度达到预设温度，则检测到待充电设备的电池状态满足第二切换条件。
在其中一个实施例中，计算机程序被处理器执行时还实现以下步骤：
在待充电设备以第二充电电流充电过程中，若检测到待充电设备的电池状态满足预设的第三切换条件，则控制待充电设备以第三充电电流充电；
其中，第三充电电流小于第二充电电流；第三切换条件为根据电池的温升和/或温度设置的切换条件。
在其中一个实施例中，计算机程序被处理器执行时还实现以下步骤：
若电池的当前电压达到充电截止电压，则控制待充电设备以充电截止电压恒压充电；
在待充电设备以充电截止电压充电过程中，若检测到充电电流达到充电截止电流，则控制待充电设备停止充电。
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，所述的计算机程序可存储于一非易失性计算机可读取存储介质中，该计算机程序在执行时，可包括如上述各方法的实施例的流程。其中，本申请所提供的各实施例中所使用的对存储器、存储、数据库或其它介质的任何引用，均可包括非易失性和/或易失性存储器。非易失性存储器可包括只读存储器(ROM)、可编程ROM(PROM)、电可编程ROM(EPROM)、电可擦除可编程ROM(EEPROM)或闪存。易失性存储器可包括随机存取存储器(RAM)或者外部高速缓冲存储器。作为说明而非局限，RAM以多种形式可得，诸如静态RAM(SRAM)、动态RAM(DRAM)、同步DRAM(SDRAM)、双数据率SDRAM(DDRSDRAM)、增强型SDRAM(ESDRAM)、同步链路(Synchlink)DRAM(SLDRAM)、存储器总线(Rambus)直接RAM(RDRAM)、直接存储器总线动态RAM(DRDRAM)、以及存储器总线动态RAM(RDRAM)等。
以上实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾， 都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (20)

  1. 一种充电方法，其特征在于，所述方法包括：
    在检测到充电信号时，控制待充电设备以第一充电电流充电；
    在所述待充电设备以所述第一充电电流充电过程中，若检测到所述待充电设备的电池状态满足预设的第一切换条件，则控制所述待充电设备以额定充电电流充电；
    其中，所述第一充电电流小于所述额定充电电流，所述第一切换条件为根据所述待充电设备的电池的温升和/或电压设置的切换条件。
  2. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    在所述待充电设备以所述额定充电电流充电过程中，若检测到所述待充电设备的电池状态满足预设的第二切换条件，则控制所述待充电设备以第二充电电流充电；
    其中，所述第二充电电流小于所述额定充电电流，所述第二切换条件为根据所述电池的温升和/或温度设置的切换条件。
  3. 根据权利要求2所述的方法，其特征在于，所述电池状态包括：所述电池的当前温度、当前温升和当前电压中的至少一种。
  4. 根据权利要求3所述的方法，其特征在于，所述检测到所述待充电设备的电池状态满足预设的第一切换条件，包括：
    获取所述电池的初始温度和当前温度；
    根据所述初始温度和所述当前温度确定所述电池的温升；
    若所述电池的温升达到第一预设温升，则检测到所述待充电设备的电池状态满足所述第一切换条件。
  5. 根据权利要求3所述的方法，其特征在于，所述检测到所述待充电设备的电池状态满足预设的第一切换条件，包括：
    获取所述电池的当前电压；
    判断所述当前电压是否达到预设电压；
    若所述当前电压达到所述预设电压，则检测到所述待充电设备的电池状态满足所述第一切换条件。
  6. 根据权利要求1所述的方法，其特征在于，所述检测到所述待充电设备的电池状态满足预设的第一切换条件，包括：
    获取所述电池的当前电量；
    判断所述当前电量是否达到预设电量；
    若所述当前电量达到所述预设电量，则检测到所述待充电设备的电池状态满足所述第一切换条件。
  7. 根据权利要求3所述的方法，其特征在于，所述检测到所述待充电设备的电池状态满足预设的第二切换条件，包括：
    获取所述电池的初始温度和当前温度；
    根据所述初始温度和所述当前温度确定所述电池的温升；
    若所述电池的温升达到第二预设温升，则检测到所述待充电设备的电池状态满足所述第二切换条件。
  8. 根据权利要求3所述的方法，其特征在于，所述检测到所述待充电设备的电池状态满足预设的第二切换条件，包括：
    获取所述电池的当前温度；
    判断所述电池的当前温度是否达到预设温度；
    若所述电池的当前温度达到所述预设温度，则检测到所述待充电设备的电池状态满足所述第二切换条件。
  9. 根据权利要求2所述的方法，其特征在于，所述第二充电电流与所述第一充电电流不同。
  10. 根据权利要求2所述的方法，其特征在于，所述方法还包括：
    在所述待充电设备以所述第二充电电流充电过程中，若检测到所述待充电设备的电池状态满足预设的第三切换条件，则控制所述待充电设备以第三充电电流充电；
    其中，所述第三充电电流小于所述第二充电电流；所述第三切换条件为根据所述电池的温升和/或温度设置的切换条件。
  11. 根据权利要求10所述的方法，其特征在于，所述检测到所述待充电设备的电池状态满足预设的第三切换条件，包括：
    检测所述电池的温升是否达到第三预设温升；
    若所述电池的温升达到所述第三预设温升，则检测到所述待充电设备的电池状态满足所述第三切换条件。
  12. 根据权利要求10所述的方法，其特征在于，所述检测到所述待充电设备的电池状态满足预设的第三切换条件，包括：
    检测所述电池的当前温度是否达到预设温度；
    若所述电池的当前温度达到所述预设温度，则检测到所述待充电设备的电池状态满足所述第三切换条件。
  13. 根据权利要求8所述的方法，其特征在于，所述方法还包括：
    若所述电池的当前电压达到充电截止电压，则控制所述待充电设备以所述充电截止电压恒压充电；
    在所述待充电设备以所述充电截止电压充电过程中，若检测到充电电流达到充电截止电流，则控制所述待充电设备停止充电。
  14. 根据权利要求8所述的方法，其特征在于，所述待充电设备通过USB接口的数据信号引脚向供电设备发送所述控制信号，所述供电设备通过电源引脚向所述待充电设备充电。
  15. 一种充电装置，其特征在于，所述装置包括：
    第一控制模块，用于在检测到充电信号时，控制待充电设备以第一充电电流充电；
    第二控制模块，用于在所述待充电设备以所述第一充电电流充电过程中，若检测到所述待充电设备的电池状态满足预设的第一切换条件，则控制所述待充电设备以额定充电电流充电；
    其中，所述第一充电电流小于所述额定充电电流，所述第一切换条件为根据所述待充电设备的电池的温升和/或电压设置的切换条件。
  16. 根据权利要求15所述的装置，其特征在于，该装置还包括：
    第三控制模块，用于在所述待充电设备以所述额定充电电流充电过程中，若检测到所述待充电设备的电池状态满足预设的第二切换条件，则控制所述待充电设备以第二充电电流充电；
    其中，所述第二充电电流小于所述额定充电电流，所述第二切换条件为根据所述电池的温升和/或温度设置的切换条件。
  17. 根据权利要求15所述的装置，其特征在于，所述电池状态包括：电池的当前温度、当前温升和当前电压中的至少一种。
  18. 根据权利要求15所述的装置，其特征在于，所述第二控制模块，具体用于获取所述电池的初始温度和当前温度；根据所述初始温度和所述当前温度确定所述电池的温升；若所述电池的温升达到第一预设温升，则检测到所述待充电设备的电池状态满足所述第一切换条件。
  19. 一种电子设备，包括存储器和处理器，所述存储器存储有计算机程序，其特征在于，所述处理器执行所述计算机程序时实现权利要求1至14中任一项所述方法的步骤。
  20. 一种计算机可读存储介质，其上存储有计算机程序，其特征在于，所述计算机程序被处理器执行时实现权利要求1至14中任一项所述的方法的步骤。
PCT/CN2020/105747 2019-07-31 2020-07-30 充电方法、装置、电子设备和存储介质 WO2021018233A1 (zh)

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