Charging method, charging device, and storage medium
By detecting the first current and temperature change values of the terminal device, a suitable second current is calculated, which solves the problem of charging current mismatch under different usage scenarios and improves charging speed and user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BEIJING XIAOMI MOBILE SOFTWARE CO LTD
- Filing Date
- 2021-09-22
- Publication Date
- 2026-05-05
AI Technical Summary
During the charging process of a terminal device with the screen on, the system consumes different amounts of power under different usage scenarios. This means that the charging current under uniform temperature control cannot meet the charging needs of high-power scenarios, affecting charging speed and user experience.
By detecting the first current in the current application scenario, the resulting temperature change value is determined, and based on factors such as the temperature change threshold and heat dissipation coefficient, the allowable second current is calculated. In this way, the charging current is adjusted to meet the temperature change requirements of different scenarios and ensure charging speed.
It enables the charging current to be adjusted according to actual needs in different application scenarios, improving charging speed and user experience, and avoiding the problem of slowed charging speed caused by uniform temperature control.
Smart Images

Figure CN115940310B_ABST
Abstract
Description
Technical Field
[0001] This disclosure relates to the field of terminal charging technology, and in particular to charging methods, charging devices and storage media. Background Technology
[0002] With the continuous development of terminal technology, terminal configurations are becoming increasingly sophisticated, and people's demands for terminal usage are also constantly growing. Increased charging power leads to significant temperature changes during charging, affecting not only the user experience but also the lifespan of the terminal.
[0003] To ensure charging safety, device temperature is controlled during charging. A specific temperature is set, and if the device reaches that temperature, the charging current is reduced to prevent further temperature increases. However, in scenarios where the device is charging while the screen is on, system power consumption varies. Controlling the charging current uniformly based on a specific temperature may fail to meet charging demands in high-power-consumption scenarios. Summary of the Invention
[0004] To overcome the problems existing in the related technologies, this disclosure provides a charging method, a charging device, and a storage medium.
[0005] According to a first aspect of the present disclosure, a charging method is provided, applied to a terminal, the method comprising: detecting a first current and determining a first temperature change value generated by the first current, the first current being a discharge current of the terminal when it is being charged in a current application scenario; determining a second temperature change value that is allowed to be generated by the terminal battery based on the temperature change threshold and the first temperature change value; determining a second current based on the second temperature change value; and charging the terminal with a charging current that satisfies the first current and the second current.
[0006] In some embodiments, determining the first temperature change value generated by the first current includes: determining the current-temperature change relationship corresponding to the current application scenario, wherein the current-temperature change relationship characterizes the correspondence between the discharge current and the temperature change value; and determining the first temperature change value generated by the first current based on the current-temperature change relationship.
[0007] In some embodiments, the current-temperature change relationship is determined as follows: The discharge current and a first temperature value of the terminal when it is not charging in a specified application scenario are obtained, and the discharge current and a second temperature value of the terminal during the charging process in the specified application scenario are obtained, wherein the charging current generated during the terminal charging process is entirely supplied to the system for consumption and does not provide current to the terminal battery; the temperature change value between the second temperature value and the first temperature value is determined, and a correspondence between the corresponding temperature change value and the discharge current in the specified application scenario is created.
[0008] In some embodiments, determining a second temperature change value that the terminal battery is allowed to generate based on the temperature change threshold and the first temperature change value includes: determining the difference between the temperature change threshold and the first temperature change value as the second temperature change value that the terminal battery is allowed to generate.
[0009] In some embodiments, determining the second current based on the second temperature change value includes: determining the charging power consumption generated by the terminal battery during charging based on the second temperature change value, the heat dissipation coefficient, and the battery voltage of the terminal battery; and determining the current corresponding to the charging power consumption as the second current based on the correspondence between the charging power consumption and the current of the terminal battery.
[0010] In some embodiments, the temperature change threshold is determined as follows: the current application scenario of the terminal is determined, and the temperature change threshold corresponding to the current application scenario is determined.
[0011] In some embodiments, determining the temperature change threshold corresponding to the current application scenario includes: determining the unified temperature change threshold configured in the terminal as the temperature change threshold corresponding to the current application scenario; or, determining the matching temperature change threshold configured in the terminal for the current application scenario as the temperature change threshold corresponding to the current application scenario.
[0012] According to a second aspect of the present disclosure, a charging device is provided for use in a terminal. The charging device includes: a determining unit, configured to detect a first current and determine a first temperature change value generated by the first current, wherein the first current is the discharge current of the terminal when it is charging in a current application scenario; determine a second temperature change value that is allowed to be generated by the terminal battery based on a temperature change threshold and the first temperature change value; and determine a second current based on the second temperature change value; and a charging unit, configured to charge the terminal with a charging current that satisfies the first current and the second current.
[0013] In some embodiments, the determining unit determines the first temperature change value generated by the first current in the following manner: determining the current temperature rise change relationship corresponding to the current application scenario, wherein the current temperature rise change relationship characterizes the correspondence between the discharge current and the temperature change value; and determining the first temperature change value generated by the first current based on the current temperature rise change relationship.
[0014] In some embodiments, the determining unit determines the current-temperature change relationship in the following manner: obtaining the discharge current and a first temperature value when the terminal is not charging under a specified application scenario, and obtaining the discharge current and a second temperature value during the terminal charging process under the specified application scenario, wherein the charging current generated during the terminal charging process is entirely supplied to the system for consumption and does not provide current to the terminal battery; determining the temperature change value between the second temperature value and the first temperature value, and creating a correspondence between the corresponding temperature change value and the discharge current under the specified application scenario.
[0015] In some embodiments, the determining unit determines a second temperature change value that is allowed to be generated by the terminal battery based on the temperature change threshold and the first temperature change value in the following manner: the difference between the temperature change threshold and the first temperature change value is determined as the second temperature change value that is allowed to be generated by the terminal battery.
[0016] In some embodiments, the determining unit determines the second current based on the second temperature change value in the following manner: based on the second temperature change value, the heat dissipation coefficient, and the battery voltage of the terminal battery, it determines the charging power consumption generated by the terminal battery during the charging process; based on the correspondence between the charging power consumption and the current of the terminal battery, it determines the current corresponding to the charging power consumption as the second current.
[0017] In some embodiments, the determining unit determines the temperature change threshold by determining the current application scenario of the terminal and determining the temperature change threshold corresponding to the current application scenario.
[0018] In some embodiments, the determining unit determines the temperature change threshold corresponding to the current application scenario in the following manner: determining the unified temperature change threshold configured in the terminal as the temperature change threshold corresponding to the current application scenario; or, determining the matching temperature change threshold configured in the terminal for the current application scenario as the temperature change threshold corresponding to the current application scenario.
[0019] According to a third aspect of the present disclosure, a charging device is provided, comprising: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to execute the charging method described in any one of the preceding embodiments.
[0020] According to a fourth aspect of the present disclosure, a non-transitory computer-readable storage medium is provided, which, when the instructions in the storage medium are executed by a processor of a mobile terminal, enables the mobile terminal to perform the charging method described in any of the preceding claims.
[0021] The technical solutions provided by the embodiments of this disclosure can include the following beneficial effects: Through the embodiments of this disclosure, a first current is detected when the terminal is charging in the current application scenario, and a first temperature change value generated by the first current is determined. Based on the temperature change threshold, a second temperature change value that the terminal battery is allowed to generate during charging is determined, and a second current is determined, thereby determining the current for charging the terminal. Different charging currents can be determined for different application scenarios to ensure the charging speed in the scenario, thereby improving the user charging experience.
[0022] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description
[0023] The accompanying drawings, which are incorporated in and form a part of this specification, illustrate embodiments consistent with this disclosure and, together with the description, serve to explain the principles of this disclosure.
[0024] Figure 1 This is a flowchart illustrating a charging method according to an exemplary embodiment of the present disclosure.
[0025] Figure 2 This is a flowchart illustrating a method for determining a first temperature change value generated by a first current, according to an exemplary embodiment of the present disclosure.
[0026] Figure 3 This is a flowchart illustrating a method for determining the relationship between current and temperature rise according to an exemplary embodiment of this disclosure.
[0027] Figure 4 This is a flowchart illustrating a charging method according to yet another exemplary embodiment of the present disclosure.
[0028] Figure 5 This is a flowchart illustrating a method for determining a second current based on a second temperature change value, according to an exemplary embodiment of the present disclosure.
[0029] Figure 6 This is a flowchart illustrating a charging method according to yet another exemplary embodiment of the present disclosure.
[0030] Figure 7 This is a block diagram of a charging device according to an exemplary embodiment of the present disclosure.
[0031] Figure 8A block diagram of a charging device is shown according to an exemplary embodiment of the present disclosure. Detailed Implementation
[0032] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this disclosure as detailed in the appended claims.
[0033] With the continuous development of smart devices, the microprocessor clock speed, display size, resolution, and camera pixel count of terminal devices are increasing, leading to higher power consumption. Users often need to use these devices while charging to meet various work and life needs. The charging process increases device power consumption and system current consumption, causing components to overheat and potentially malfunction. This is especially true for high-power applications such as games and videos, where the device temperature rises rapidly and severely, resulting in overheating. Operating at high temperatures can cause various abnormalities such as crashes, restarts, and freezes.
[0034] To ensure charging safety and improve the user experience, temperature control is typically required for the charging process of high-power devices. This involves setting a specific temperature and reducing the charging current when the device reaches that temperature. However, system power consumption varies across different usage scenarios. Reducing the charging current at a specific temperature can slow down charging in high-power scenarios, negatively impacting the user experience.
[0035] Therefore, this disclosure provides a charging method that, when a user is charging a terminal while using it, sets a charging temperature change threshold for different application scenarios and controls the charging current based on the temperature change threshold to ensure the charging speed experience in that scenario.
[0036] Figure 1 This is a flowchart illustrating a charging method according to an exemplary embodiment of the present disclosure. The charging method is applied to a terminal, which may be such as a mobile phone, tablet, or smart wearable device. (Refer to...) Figure 1 The charging method includes the following steps.
[0037] In step S101, the first current is detected and the first temperature change value generated by the first current is determined. The first current is the discharge current when the terminal is charging in the current application scenario.
[0038] In this embodiment of the disclosure, the user charges the terminal while using it, and the charging current during the charging process is... The current input from the charging device to the device being charged includes a portion of the discharge current during charging in the current application scenario, i.e., the first current. A portion of the current is input into the battery to charge it, i.e., the second current. During charging, the detection terminal measures the first current under the current application scenario. This can be achieved by reading the discharge current at this time through the terminal's central processing unit, for the first current. The data can be acquired in real time or at intervals. First current. The power consumption generated during charging causes the terminal to experience its first temperature change. .
[0039] In step S102, a second temperature change value that is allowed to be generated by the terminal battery is determined based on the temperature change threshold and the first temperature change value.
[0040] In step S103, the second current is determined based on the second temperature change value.
[0041] In this embodiment of the disclosure, the charging temperature change threshold N is the threshold value at which the terminal is allowed to experience temperature changes during charging. The charging current used to charge the terminal is also specified. It may include the first current and the second current Therefore, the temperature change value generated by the terminal can also include the value generated by the first current. The first temperature change value generated and by the second current The second temperature change value generated Two parts, namely the second temperature change value This corresponds to the temperature change that the terminal battery is allowed to generate during charging. Specifically, it is based on the temperature change threshold N and the first temperature change value. It is possible to determine the second temperature change value. From the second temperature change value Determine the second current entering the terminal battery during the charging process. .
[0042] In step S104, the terminal is charged to meet the charging current of the first current and the second current.
[0043] During charging, the first current It can be read through the terminal's central processing unit, while the second current... It can be determined by the temperature change threshold N and the first temperature change value. To determine, the first current will be satisfied. and the second current charging current Charging the terminal ensures that the temperature change generated during the charging process in the current application scenario meets the temperature change threshold N.
[0044] Through the embodiments of this disclosure, a first current is detected when the terminal is charging in the current application scenario, and a first temperature change value generated by the first current is determined. Based on the temperature change threshold, a second temperature change value allowed to be generated by the terminal battery during charging is determined, and a second current is determined, thereby determining the current for charging the terminal. Different charging currents can be determined for different application scenarios. For any screen-on scenario, charging can be achieved relative to the application scenario with a fixed temperature change threshold, ensuring the charging speed in the application scenario, thereby improving the user charging experience.
[0045] Figure 2 This is a flowchart illustrating a method for determining a first temperature change value generated by a first current according to an exemplary embodiment of the present disclosure, with reference to... Figure 2 The method includes the following steps.
[0046] In step S201, the current-temperature change relationship corresponding to the current application scenario is determined, wherein the current-temperature change relationship characterizes the correspondence between the discharge current and the temperature change value.
[0047] In step S202, the first temperature change value generated by the first current is determined based on the relationship between current and temperature rise.
[0048] In this embodiment of the disclosure, during the charging process of the terminal, the charging current for charging the terminal includes a first current. For specific application scenarios of the terminal, there is a corresponding relationship between the current consumed by the system and the temperature change of the terminal. This relationship between current and temperature rise under the application scenario reflects the correspondence between the system current consumption and temperature change of the terminal. Based on this relationship, in the first current... Given the information, determine the first current. The first temperature change value generated Understandably, the first temperature change value For the first current The temperature change of the terminal caused by the power consumption generated during charging, that is, the temperature change corresponding to the discharge current of the current application scenario during charging.
[0049] Through the embodiments of this disclosure, the correspondence between the discharge current and the temperature change value corresponding to the current application scenario is determined, so as to determine the first temperature change value generated by the first current. This can reflect the temperature change during the charging process of the current application scenario and provide a guarantee for determining the temperature change generated by the second current.
[0050] Figure 3 This is a flowchart illustrating a method for determining the relationship between current and temperature rise according to an exemplary embodiment of this disclosure, with reference to... Figure 3 The method includes the following steps.
[0051] In step S301, the discharge current and first temperature value of the terminal when it is not charging under the specified application scenario are obtained, and the discharge current and second temperature value of the terminal during the charging process under the specified application scenario are obtained.
[0052] In step S302, the temperature change value between the second temperature value and the first temperature value is determined, and a correspondence between the temperature change value and the discharge current is created for the specified application scenario.
[0053] In this embodiment of the disclosure, for a specific application scenario, there is a corresponding relationship between the terminal's discharge current and the terminal's temperature change value. This relationship can be determined by the following method to reflect the correspondence between the terminal's discharge current and temperature change value: Obtain the discharge current of the terminal when it is not charging under the specified application scenario. and the discharge current The corresponding first temperature value And obtain the discharge current of the terminal during the charging process under the same application scenario. and discharge current The corresponding second temperature value .
[0054] In this embodiment of the disclosure, the discharge current during the terminal charging process This means that during the terminal charging process, all the charging current provided by the charging device is used for discharging, and no current is supplied to the terminal battery. This can be achieved by controlling and shutting off the current entering the terminal battery, so that all the current provided by the charging device is used for discharging. Understandably, for the same application scenario, the discharging current when not charging is equal to the discharging current during charging. However, due to the different current paths, the power consumption generated by the current is different, so the second temperature value corresponding to the same discharging current will differ. Different from the first temperature value And the second temperature value Greater than the first temperature value Determine the second temperature value. With the first temperature value Temperature change value between And create a terminal with temperature change values in a specified application scenario. With discharge current The correspondence between them can be expressed by the following formula.
[0055]
[0056] In this embodiment of the disclosure, the discharge current and a first temperature value of the terminal when it is not charging in a specified application scenario are obtained, and the discharge current and a second temperature value of the terminal during the charging process in the specified application scenario are obtained, so as to create a correspondence between the corresponding temperature change value and the discharge current in the specified application scenario. By using the correspondence between the temperature change value and the discharge current, for a given discharge current, the terminal temperature change value corresponding to the current is obtained, which provides a guarantee for determining the current to charge the terminal.
[0057] Figure 4 This is a flowchart illustrating a charging method according to yet another exemplary embodiment of this disclosure, with reference to... Figure 4 The charging method includes the following steps.
[0058] In step S401, the first current is detected and the first temperature change value generated by the first current is determined. The first current is the discharge current when the terminal is charging in the current application scenario.
[0059] In step S402, the difference between the temperature change threshold and the first temperature change value is determined as the second temperature change value that the terminal battery is allowed to generate.
[0060] In step S403, the second current is determined based on the second temperature change value.
[0061] In step S404, the terminal is charged to meet the charging current of the first current and the second current.
[0062] In this embodiment of the disclosure, the user charges the terminal simultaneously while using it, and the charging current for charging the terminal... Including the first current and the second current Accordingly, the temperature change value N generated by the terminal can also include the value generated by the first current. The first temperature change value generated and by the second current The second temperature change value generated Two parts, the second temperature change value This corresponds to the temperature changes allowed by the terminal battery during charging. The first current is detected. and determine the first current. The first temperature change value generated The temperature change threshold N is compared with the first temperature change value. The difference between them is determined as the second temperature change value allowed for the terminal battery. From the second temperature change value Determine the second current Finally, the charging current for charging the terminal in the current application scenario is determined. .
[0063] According to embodiments of this disclosure, a first current is detected when the terminal is charging in the current application scenario, and a first temperature change value generated by the first current is determined. The difference between the temperature change threshold and the first temperature change value is determined as a second temperature change value that the terminal battery is allowed to generate, and a second current is determined. This determines the current for charging the terminal, enabling different charging currents to be determined for different application scenarios, ensuring the charging speed in that scenario, and thus improving the user charging experience.
[0064] Figure 5 This is a flowchart illustrating a method for determining a second current based on a second temperature change value according to an exemplary embodiment of this disclosure, with reference to... Figure 5 The method includes the following steps.
[0065] In step S501, the charging power consumption generated by the battery during the charging process is determined based on the second temperature change value, the heat dissipation coefficient, and the battery voltage of the terminal battery.
[0066] In step S502, based on the correspondence between battery power consumption and current, a current corresponding to charging power consumption is determined as the second current.
[0067] In this embodiment of the disclosure, a first current is determined when charging is performed in the current application scenario. The first temperature change value generated And based on the temperature change threshold N and the first temperature change value The difference between them determines the second temperature change value that the terminal battery is allowed to generate. To determine the second temperature change value The corresponding second current The charging power consumption generated by the battery during charging can be determined based on the second temperature change value, the heat dissipation coefficient, and the battery voltage of the terminal battery, as expressed by the following formula:
[0068]
[0069] in, This represents the charging power consumption generated by the terminal battery during charging. A represents the terminal's heat dissipation coefficient, which is determined for different terminal configurations. The battery voltage V of the terminal battery can be determined by the terminal battery configuration; for example, the battery voltage V differs for single-cell and dual-cell batteries. When the second temperature change value... By comparing the temperature change threshold with the first temperature change value When determined, the charging power consumption generated by the terminal battery during the charging process can be obtained. .
[0070] In this embodiment of the disclosure, for terminals with the same configuration, the charging power consumption generated by the battery during charging is... With flow There is a correspondence, which can be represented as Charging power consumption Through the second temperature change value The heat dissipation coefficient A and the battery voltage V of the terminal battery are determined. corresponding current Based on the above correspondence, the second current can be determined as follows: .
[0071] According to the embodiments of this disclosure, a first temperature change value generated by the discharge current during charging in the current application scenario and a second temperature change value allowed to be generated by the terminal battery are determined. Based on the second temperature change value, a second current is determined, and finally, the charging current for charging the terminal is determined. This enables the temperature change generated during the charging process of the terminal in the current application scenario to meet the temperature change threshold corresponding to the current application scenario, thereby ensuring the charging speed in this scenario.
[0072] Figure 6 This is a flowchart illustrating a charging method according to yet another exemplary embodiment of this disclosure, with reference to... Figure 6 The method includes the following steps.
[0073] In step S601, the current application scenario of the terminal is determined, and the temperature change threshold corresponding to the current application scenario is determined.
[0074] In step S602, the first current is detected and the first temperature change value generated by the first current is determined. The first current is the discharge current when the terminal is charging in the current application scenario.
[0075] In step S603, a second temperature change value that is allowed to be generated by the terminal battery is determined based on the temperature change threshold and the first temperature change value.
[0076] In step S604, the second current is determined based on the second temperature change value.
[0077] In step S605, the terminal is charged to meet the charging current of the first current and the second current.
[0078] In this embodiment of the disclosure, the user charges the terminal while using it. Based on the current application scenario, a corresponding temperature change threshold N is determined to determine the charging current for charging the terminal. Application scenarios can include, for example, games, video watching, and instant messaging. It is understood that application scenarios can be categorized, such as grouping various games into the same application scenario, or different applications can be categorized into different application scenarios. For example, watching videos on different video platforms can be defined as either the same application scenario or distinct application scenarios. It is also understood that the temperature change thresholds corresponding to the terminal's application scenarios can be the same or different; this disclosure does not limit this.
[0079] During the charging process of the terminal, the charging current used to charge the terminal. The current input from the charging device to the device being charged is used to detect the first current of the terminal under the current application scenario during charging. Determine the first current The power consumption generated during charging causes the terminal to experience its first temperature change. .
[0080] In this embodiment of the disclosure, the charging temperature change threshold N is a threshold that allows the terminal to experience temperature changes during charging. The charging temperature change threshold N includes the threshold value determined by the first current. The first temperature change value generated and by the second current The second temperature change value generated Based on the temperature change threshold N and the first temperature change value It is possible to determine the second temperature change value. From the second temperature change value Determine the second current entering the terminal battery during the charging process. The first current will be satisfied. and the second current charging current Charging the terminal ensures that the temperature change generated during the charging process in the current application scenario meets the temperature change threshold N.
[0081] Through the embodiments of this disclosure, for the current application scenario of the terminal, the temperature change threshold corresponding to the current application scenario is determined, and the first current when the terminal is charging in the current application scenario is detected, the first temperature change value generated by the first current is determined, and the second temperature change value allowed to be generated by the terminal battery during charging is determined based on the temperature change threshold, and the second current is determined, thereby determining the current for charging the terminal. Different charging currents can be determined for different application scenarios to ensure the charging speed in the scenario, thereby improving the user charging experience.
[0082] In some embodiments, a uniform temperature change threshold configured on the terminal is determined as the temperature change threshold corresponding to the current application scenario. Different application scenarios of the terminal are configured with a uniform temperature change threshold, and this uniform temperature change threshold is determined as the temperature change threshold corresponding to the current application scenario. This determines the charging current for charging the terminal, ensuring that the temperature rise of the terminal when charging in different application scenarios is within the uniform temperature change threshold, thus guaranteeing the charging speed for different application scenarios.
[0083] In some embodiments, the matching temperature change threshold configured in the terminal for the current application scenario is determined as the temperature change threshold corresponding to the current application scenario. That is, different charging temperature change thresholds are configured for different application scenarios of the terminal, and the matching temperature change threshold configured in the terminal for the current application scenario is determined as the temperature change threshold corresponding to the current application scenario. This determines the charging current for charging the terminal, enabling the charging temperature to be controlled according to the actual usage when the terminal is charged in different application scenarios, ensuring the charging speed for different application scenarios.
[0084] Based on the same concept, embodiments of this disclosure also provide a charging device.
[0085] It is understood that the apparatus provided in this disclosure includes hardware structures and / or software modules corresponding to each function in order to achieve the above-mentioned functions. In conjunction with the units and algorithm steps of the various examples disclosed in this disclosure, this disclosure can be implemented in hardware or a combination of hardware and computer software. Whether a function is executed by hardware or by computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the technical solutions of this disclosure.
[0086] Figure 7 This is a block diagram illustrating a charging device according to an exemplary embodiment of the present disclosure. (Refer to...) Figure 7 The charging device is applied to the terminal, and the charging device 100 includes a determining unit 101 and a charging unit 102.
[0087] The determining unit 101 is used to detect a first current and determine a first temperature change value generated by the first current, wherein the first current is the discharge current of the terminal during charging in the current application scenario; based on the temperature change threshold and the first temperature change value, it determines a second temperature change value that the terminal battery is allowed to generate; and based on the second temperature change value, it determines a second current.
[0088] The charging unit 102 is used to charge the terminal to meet the charging current of the first current and the second current.
[0089] In some embodiments, the determining unit 101 determines the first temperature change value generated by the first current in the following manner: determining the current temperature rise change relationship corresponding to the current application scenario, wherein the current temperature rise change relationship characterizes the correspondence between the discharge current and the temperature change value; and determining the first temperature change value generated by the first current based on the current temperature rise change relationship.
[0090] In some embodiments, the determining unit 101 determines the current-temperature change relationship in the following manner: obtaining the discharge current and a first temperature value when the terminal is not charging under a specified application scenario, and obtaining the discharge current and a second temperature value during the terminal charging process under the specified application scenario, wherein the charging current generated during the terminal charging process is entirely supplied to the system for consumption and no current is provided to the terminal battery; determining the temperature change value between the second temperature value and the first temperature value, and creating a correspondence between the corresponding temperature change value and the discharge current under the specified application scenario.
[0091] In some embodiments, the determining unit 101 determines a second temperature change value that is allowed to be generated by the terminal battery based on a temperature change threshold and a first temperature change value in the following manner: the difference between the temperature change threshold and the first temperature change value is determined as the second temperature change value that is allowed to be generated by the terminal battery.
[0092] In some embodiments, the determining unit 101 determines the second current based on the second temperature change value in the following manner: based on the second temperature change value, the heat dissipation coefficient and the battery voltage of the terminal battery, the charging power consumption generated by the battery during the charging process is determined; based on the correspondence between the battery power consumption and the current, the current corresponding to the charging power consumption is determined as the second current.
[0093] In some embodiments, the determining unit 101 determines the temperature change threshold in the following manner: determining the current application scenario of the terminal and determining the temperature change threshold corresponding to the current application scenario.
[0094] In some embodiments, the determining unit 101 determines the temperature change threshold corresponding to the current application scenario in the following ways: determining the unified temperature change threshold configured in the terminal as the temperature change threshold corresponding to the current application scenario; or, determining the matching temperature change threshold configured in the terminal for the current application scenario as the temperature change threshold corresponding to the current application scenario.
[0095] Regarding the apparatus in the above embodiments, the specific manner in which each module performs its operation has been described in detail in the embodiments related to the method, and will not be elaborated upon here.
[0096] Figure 7 This is a block diagram illustrating a charging device 200 according to an exemplary embodiment of the present disclosure. For example, device 200 may be a mobile phone, computer, digital broadcasting terminal, messaging device, game console, tablet device, medical device, fitness equipment, personal digital assistant, etc.
[0097] Reference Figure 7 The device 200 may include one or more of the following components: a processing component 202, a memory 204, a power component 206, a multimedia component 208, an audio component 210, an input / output (I / O) interface 212, a sensor component 214, and a communication component 216.
[0098] Processing component 202 typically controls the overall operation of device 200, such as operations associated with display, telephone calls, data communication, camera operation, and recording. Processing component 202 may include one or more processors 220 to execute instructions to perform all or part of the steps of the methods described above. Furthermore, processing component 202 may include one or more modules to facilitate interaction between processing component 202 and other components. For example, processing component 202 may include a multimedia module to facilitate interaction between multimedia component 208 and processing component 202.
[0099] Memory 204 is configured to store various types of data to support the operation of device 200. Examples of such data include instructions for any application or method operating on device 200, contact data, phonebook data, messages, pictures, videos, etc. Memory 204 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic storage, flash memory, magnetic disk, or optical disk.
[0100] The power supply component 206 provides power to the various components of the device 200. The power supply component 206 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to the device 200.
[0101] Multimedia component 208 includes a screen that provides an output interface between the device 200 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touchscreen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensors may sense not only the boundaries of the touch or swipe action but also the duration and pressure associated with the touch or swipe operation. In some embodiments, multimedia component 208 includes a front-facing camera and / or a rear-facing camera. When the device 200 is in an operating mode, such as a shooting mode or a video mode, the front-facing camera and / or the rear-facing camera may receive external multimedia data. Each front-facing camera and rear-facing camera may be a fixed optical lens system or have focal length and optical zoom capabilities.
[0102] Audio component 210 is configured to output and / or input audio signals. For example, audio component 210 includes a microphone (MIC) configured to receive external audio signals when device 200 is in an operating mode, such as call mode, recording mode, and voice recognition mode. The received audio signals may be further stored in memory 204 or transmitted via communication component 216. In some embodiments, audio component 210 also includes a speaker for outputting audio signals.
[0103] I / O interface 212 provides an interface between processing component 202 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to, home buttons, volume buttons, power buttons, and lock buttons.
[0104] Sensor assembly 214 includes one or more sensors for providing status assessments of various aspects of device 200. For example, sensor assembly 214 may detect the on / off state of device 200, the relative positioning of components such as the display and keypad of device 200, changes in the position of device 200 or a component of device 200, the presence or absence of user contact with device 200, the orientation or acceleration / deceleration of device 200, and temperature changes of device 200. Sensor assembly 214 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. Sensor assembly 214 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, sensor assembly 214 may also include an accelerometer, a gyroscope, a magnetometer, a pressure sensor, or a temperature sensor.
[0105] Communication component 216 is configured to facilitate wired or wireless communication between device 200 and other devices. Device 200 can access wireless networks based on communication standards, such as WiFi, 2G, or 3G, or combinations thereof. In one exemplary embodiment, communication component 216 receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, communication component 216 also includes a near-field communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
[0106] In an exemplary embodiment, the apparatus 200 may be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field-programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components to perform the methods described above.
[0107] In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 204 including instructions, which can be executed by a processor 220 of the device 200 to perform the above-described method. For example, the non-transitory computer-readable storage medium may be a ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, and optical data storage device, etc.
[0108] It is understood that in this disclosure, "multiple" refers to two or more, and other quantifiers are similar. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, and B alone. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship. The singular forms "a," "the," and "the" are also intended to include the plural forms unless the context clearly indicates otherwise.
[0109] It is further understood that the terms "first," "second," etc., are used to describe various types of information, but this information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another, and do not indicate a specific order or degree of importance. In fact, the expressions "first," "second," etc., are completely interchangeable. For example, without departing from the scope of this disclosure, first information can also be referred to as second information, and similarly, second information can also be referred to as first information.
[0110] It can be further understood that, unless otherwise specified, "connection" includes both direct connections where no other components exist between the two parties and indirect connections where other components exist between them.
[0111] It is further understood that although operations are described in a specific order in the accompanying drawings in the embodiments of this disclosure, this should not be construed as requiring these operations to be performed in the specific order or serial order shown, or requiring all of the shown operations to be performed to obtain the desired result. In certain environments, multitasking and parallel processing may be advantageous.
[0112] Other embodiments of this disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this disclosure are indicated by the following scope of claims.
[0113] It should be understood that this disclosure is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this disclosure is limited only by the appended claims.
Claims
1. A charging method, characterized in that, The method includes: The first current is detected, and the first temperature change value generated by the first current is determined. The first current is the discharge current when the terminal is charging in the current application scenario. Based on the temperature change threshold and the first temperature change value, a second temperature change value that is allowed to be generated by the terminal battery is determined. The second current is determined based on the second temperature change value; The terminal is charged to meet the charging current requirements of the first current and the second current.
2. The charging method according to claim 1, characterized in that, Determining the first temperature change value generated by the first current includes: Determine the current-temperature rise relationship corresponding to the current application scenario, wherein the current-temperature rise relationship characterizes the correspondence between the discharge current and the temperature change value; Based on the current-temperature change relationship, the first temperature change value generated by the first current is determined.
3. The charging method according to claim 2, characterized in that, The relationship between the current and temperature rise was determined in the following way: The system obtains the discharge current and a first temperature value when the terminal is not charging under a specified application scenario, and obtains the discharge current and a second temperature value during the charging process of the terminal under the specified application scenario, wherein the charging current generated during the terminal charging process is entirely supplied to the system for consumption, and no current is provided to the terminal battery. Determine the temperature change value between the second temperature value and the first temperature value, and create a correspondence between the temperature change value and the discharge current in the specified application scenario.
4. The charging method according to claim 1, characterized in that, Based on the temperature change threshold and the first temperature change value, a second temperature change value that is allowed to be generated by the terminal battery is determined, including: The difference between the temperature change threshold and the first temperature change value is determined as the second temperature change value that the terminal battery is allowed to generate.
5. The charging method according to claim 1, characterized in that, Determining the second current based on the second temperature change value includes: Based on the second temperature change value, the heat dissipation coefficient, and the battery voltage of the terminal battery, the charging power consumption generated by the terminal battery during the charging process is determined. Based on the correspondence between the charging power consumption and the current of the terminal battery, the current corresponding to the charging power consumption is determined as the second current.
6. The charging method according to claim 1, characterized in that, The temperature change threshold is determined in the following manner: The current application scenario of the terminal is determined, and the temperature change threshold corresponding to the current application scenario is determined.
7. The charging method according to claim 6, characterized in that, Determining the temperature change threshold corresponding to the current application scenario includes: The unified temperature change threshold configured on the terminal is determined as the temperature change threshold corresponding to the current application scenario; or The matching temperature change threshold configured in the terminal for the current application scenario is determined as the temperature change threshold corresponding to the current application scenario.
8. A charging device, characterized in that, The charging device includes: The unit determines a first current and a first temperature change value generated by the first current, wherein the first current is the discharge current when the terminal is charging in the current application scenario; based on the temperature change threshold and the first temperature change value, it determines a second temperature change value that the terminal battery is allowed to generate; and based on the second temperature change value, it determines a second current. A charging unit is used to charge the terminal to meet the charging current of the first current and the second current.
9. The charging device according to claim 8, characterized in that, The determining unit determines the first temperature change value generated by the first current in the following manner: Determine the current-temperature rise relationship corresponding to the current application scenario, wherein the current-temperature rise relationship characterizes the correspondence between the discharge current and the temperature change value; Based on the current-temperature change relationship, the first temperature change value generated by the first current is determined.
10. The charging device according to claim 9, characterized in that, The determining unit determines the relationship between current and temperature rise using the following method: The system obtains the discharge current and a first temperature value when the terminal is not charging under a specified application scenario, and obtains the discharge current and a second temperature value during the charging process of the terminal under the specified application scenario, wherein the charging current generated during the terminal charging process is entirely supplied to the system for consumption, and no current is provided to the terminal battery. Determine the temperature change value between the second temperature value and the first temperature value, and create a correspondence between the temperature change value and the discharge current in the specified application scenario.
11. The charging device according to claim 8, characterized in that, The determining unit determines a second temperature change value that is allowed to be generated by the terminal battery based on the temperature change threshold and the first temperature change value in the following manner: The difference between the temperature change threshold and the first temperature change value is determined as the second temperature change value that the terminal battery is allowed to generate.
12. The charging device according to claim 8, characterized in that, The determining unit determines the second current based on the second temperature change value in the following manner: Based on the second temperature change value, the heat dissipation coefficient, and the battery voltage of the terminal battery, the charging power consumption generated by the terminal battery during the charging process is determined. Based on the correspondence between the charging power consumption and the current of the terminal battery, the current corresponding to the charging power consumption is determined as the second current.
13. The charging device according to claim 8, characterized in that, The determining unit determines the temperature change threshold in the following manner: The current application scenario of the terminal is determined, and the temperature change threshold corresponding to the current application scenario is determined.
14. The charging device according to claim 13, characterized in that, The determining unit determines the temperature change threshold corresponding to the current application scenario in the following ways: The unified temperature change threshold configured on the terminal is determined as the temperature change threshold corresponding to the current application scenario; or... The matching temperature change threshold configured in the terminal for the current application scenario is determined as the temperature change threshold corresponding to the current application scenario.
15. A charging device, characterized in that, include: processor; Memory used to store processor-executable instructions; The processor is configured to execute the charging method according to any one of claims 1 to 7.
16. A storage medium, characterized in that, The storage medium stores instructions that, when executed by the terminal's processor, enable the terminal to perform the charging method according to any one of claims 1 to 7.
Citation Information
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