WO2018072435A1

WO2018072435A1 - Slow charging method and smart terminal

Info

Publication number: WO2018072435A1
Application number: PCT/CN2017/084138
Authority: WO
Inventors: 豆明明
Original assignee: 中兴通讯股份有限公司
Priority date: 2016-10-17
Filing date: 2017-05-12
Publication date: 2018-04-26
Also published as: CN107959314A

Abstract

A slow charging method and a smart terminal. The method comprises: detecting, when a smart terminal is connected to a charging device, whether a slow charging condition is satisfied (S101); if the slow charging condition is satisfied, slowly charging the smart terminal (S102). The slow charging method and the smart terminal start slow charging when a user does not require fast charge very much, satisfying the quick charging needs of the user and protecting the battery to the greatest extent.

Description

Slow charging method and intelligent terminal

Technical field

The present disclosure relates to the field of battery charging technologies, and in particular, to a slow charging method and an intelligent terminal.

Background technique

Intelligent terminals represented by smart phones are becoming more and more popular, and some of the key bottlenecks are also being valued by more and more people, such as battery life and charging speed. Now more and more manufacturers are pursuing fast charging and high-current charging. In fact, the damage caused by high-current charging is relatively large. On the contrary, small-current charging will protect the battery well.

At present, charging is generally done by default with the maximum current, and in the case of heat, some current limiting measures will be taken according to the situation. However, when the user does not need to charge quickly, the charging current cannot be selected, the charging current cannot be lowered, and the charging temperature range cannot be changed.

Summary of the invention

The technical problem to be solved by the present disclosure is to provide a slow charging method and an intelligent terminal, which not only take into account the needs of the user for rapid charging, but also protect the battery to the utmost extent.

The technical solution adopted by the present disclosure is that the slow charging method includes:

When the smart terminal is connected to the charging device, it is detected whether the slow charging condition is satisfied;

If the slow charging condition is satisfied, the smart terminal is slowly charged.

Optionally, the slow charging condition includes at least one of the following:

The system time of the intelligent terminal is in the set idle time period;

The battery power of the smart terminal is greater than or equal to the set power threshold;

The smart terminal generates heat exceeding a set calorific value threshold or the load exceeds a set load threshold;

The available capacity of the battery of the smart terminal is reduced to a set proportional threshold.

Optionally, the determined idle time period is determined by:

The idle time period of the intelligent terminal is counted, and the idle time period of the smart terminal is used as the set idle time period. Optionally, the idle time period of the smart terminal is calculated, including:

Performing statistical average on the start and end time of the blackout period that reaches the set duration in the same period of time within the set consecutive days of the smart terminal, and obtaining the blanking period of the smart terminal in the same time period;

The blanking period of the smart terminal in each time period of the day is formed into an idle time period of the smart terminal.

Optionally, if the smart terminal is too hot, at least one of the following is included:

The consumption current of the intelligent terminal in the set duration is continuously greater than or equal to the set current threshold;

The temperature rise rate of the motherboard of the smart terminal exceeds the set temperature rise speed threshold;

The temperature of the motherboard of the smart terminal is greater than or equal to the set temperature threshold.

Optionally, the smart terminal is overloaded, including:

The CPU core started by the smart terminal is greater than or equal to the set core threshold, and the frequency of the activated CPU core is greater than or equal to the set frequency threshold.

Optionally, the smart terminal is slowly charged, including:

Limiting the maximum charging current of the smart terminal battery to a slow maximum charging current; or,

The maximum charging current of the smart terminal battery is limited to a slow maximum charging current, and the charging temperature range of the smart terminal battery is controlled within a slow charging temperature range.

Optionally, the charging temperature range of the smart terminal battery is controlled within a slow charging temperature range, including:

Selecting a first temperature and a second temperature at an upper limit of a slow charging temperature range within a slow charging temperature range, wherein the first temperature is greater than the second temperature;

When the temperature of the smart terminal battery reaches the first temperature, the charging current of the smart terminal battery is reduced, and when the temperature of the smart terminal battery drops to the second temperature, the charging current of the smart terminal battery is restored to the original charging current, and thus the cycle The charging current of the smart terminal battery is controlled such that the temperature of the smart terminal battery circulates between the first temperature and the second temperature.

The present disclosure also provides an intelligent terminal, including:

a detecting module, configured to detect whether a slow charging condition is met when the smart terminal is connected to the charging device;

The charging module is configured to slowly charge the smart terminal if the slow charging condition is met.

Optionally, the slow charging condition includes at least one of the following:

The system time of the intelligent terminal is in the set idle time period;

Optionally, the detecting module is configured to set an idle time period as follows:

The idle time period of the intelligent terminal is counted, and the idle time period of the smart terminal is used as the set idle time period. Optionally, the detecting module is configured to:

The blanking period of the smart terminal in each time period of the day is formed into an idle time period of the smart terminal. Optionally, if the smart terminal is too hot, at least one of the following is included:

Optionally, the smart terminal is overloaded, including:

Optionally, the charging module is configured to:

Selecting a first temperature and a second temperature in a range of a slow charging temperature range close to the slow charging temperature range, wherein the first temperature is greater than the second temperature;

When the temperature of the smart terminal battery reaches the first temperature, the charging current of the smart terminal battery is reduced, and when the temperature of the smart terminal battery drops to the second temperature, the charging current of the smart terminal battery is restored to the original charging current, and thus the cycle The charging current of the smart terminal battery is controlled such that the temperature of the smart terminal battery circulates between the second temperature and the first temperature.

In order to solve the above problems, the present disclosure also provides a non-transitory computer readable storage medium storing computer program instructions, when the one or more processors of the smart terminal execute the computer program instructions, the smart terminal The slow charging method as described above is performed.

With the above technical solutions, the present disclosure has at least the following advantages:

The slow charging method and the smart terminal of the present disclosure enable slow charging when the user does not need to charge quickly, thereby achieving the requirement of satisfying the user's rapid charging and maximally protecting the battery.

DRAWINGS

1 is a flow chart of a slow charging method according to a first embodiment of the present disclosure;

2 is a schematic structural diagram of a smart terminal according to a third embodiment of the present disclosure;

3 is a schematic diagram of a slow charging device applied to a mobile phone according to a fifth embodiment of the present disclosure;

4 is a schematic diagram of a slow charging process in an automatic mode according to a fifth embodiment of the present disclosure;

FIG. 5 is a schematic diagram of a modification manner of a charging parameter according to a fifth embodiment of the present disclosure.

detailed description

The present disclosure will be described in detail below with reference to the accompanying drawings and preferred embodiments.

A first embodiment of the present disclosure, a slow charging method, as shown in FIG. 1, includes the following steps:

Step S101, when the smart terminal is connected to the charging device, detecting whether the slow charging condition is met;

Optionally, the slow charging condition includes at least one of the following:

1) The system time of the intelligent terminal is in the set idle time period;

2) The battery power of the intelligent terminal is greater than or equal to the set power threshold;

3) The smart terminal generates excessive heat or the load is too high; optionally, the smart terminal generates heat exceeding the set calorific value threshold or the load exceeds the set load threshold;

4) The available capacity of the battery of the smart terminal is reduced to a set proportional threshold.

Optionally, the smart terminal is overloaded, including:

Step S102, if the slow charging condition is met, the smart terminal is slowly charged.

Optionally, the smart terminal is slowly charged, including:

The first temperature and the second temperature are selected near an upper limit of the slow charging temperature range in a slow charging temperature range, wherein the first temperature is greater than the second temperature; and the upper limit of the slow charging temperature range may be an upper limit of the slow charging temperature range 90% to the upper limit of the slow charge temperature range;

When the temperature of the smart terminal battery reaches the first temperature, the charging current of the smart terminal battery is reduced to half of the original charging current, and when the temperature of the smart terminal battery drops to the second temperature, the charging current of the smart terminal battery is restored to The original charging current, the cycle of controlling the charging current of the smart terminal battery, causes the temperature of the smart terminal battery to circulate between the first temperature and the second temperature.

The second embodiment of the present disclosure is a slow charging method. The method in this embodiment is substantially the same as the first embodiment. The difference is that the system time of the smart terminal as one of the slow charging conditions is in the set idle time period. The determined idle time period is determined by:

For example, in the set evening time period, the last time the smart terminal is turned off is the start time of an idle time period, and the first bright time and the last time that the duration exceeds the set time threshold is the idle time. The end time of the segment;

The start time and the end time are respectively averaged within a set number of consecutive days to count the idle time period of the smart terminal.

The third embodiment of the present disclosure corresponds to the first embodiment. This embodiment introduces an intelligent terminal. As shown in FIG. 2, the following components are included:

1) The detecting module 201 is configured to detect whether the slow charging condition is met when the smart terminal is connected to the charging device;

Optionally, the slow charging condition includes at least one of the following:

a. The system time of the intelligent terminal is in the set idle time period;

b. The battery power of the smart terminal is greater than or equal to the set power threshold;

c. The smart terminal generates excessive heat or the load is too high; optionally, the smart terminal generates heat exceeding a set calorific value threshold or the load exceeds a set load threshold;

d. The available capacity of the battery of the smart terminal is reduced to a set proportional threshold.

Optionally, the smart terminal is overloaded, including:

2) The charging module 202 is configured to perform slow charging on the smart terminal if the slow charging condition is met.

Optionally, the charging module 202 is configured to:

When the temperature of the smart terminal battery reaches the first temperature, the charging current of the smart terminal battery is reduced to half of the original charging current, and when the temperature of the smart terminal battery drops to the second temperature, the charging current of the smart terminal battery is restored to The original charging current, the cycle of controlling the charging current of the smart terminal battery, causes the temperature of the smart terminal battery to circulate between the second temperature and the first temperature.

The fourth embodiment of the present disclosure is an intelligent terminal. The smart terminal in this embodiment is substantially the same as the third embodiment. The difference is that the detection module in the smart terminal in this embodiment is configured to be configured as follows. Free time period:

For example, in the set evening time period, the last time the smart terminal is turned off is the start time of an idle time period, and the first bright time and the last time that the duration exceeds the set time threshold is the idle time. Segment knot Beam moment

The fifth embodiment of the present disclosure is based on the above embodiment, and an application example of the present disclosure is described by taking a mobile phone as an example and referring to FIGS. 3 to 5.

As shown in FIG. 3, a slow charging device applied to a mobile phone according to an embodiment of the present disclosure includes: a mode setting module 101, an entry detecting module 102, and a slow charging executing module 103:

The slow charging mode can be set in the mode setting module 101, and the slow charging mode includes an automatic mode and a manual mode. The automatic mode is automatically selected at the time of charging according to the system time and the current power, and the manual mode is that the user can choose to start the slow charging immediately. The entrance detection module 102 performs the detection of the entry conditions at the time of charging according to the set slow charging mode.

The slow charging execution module 103 is based on the ingress detection module 102. If the slow charging inlet condition is met during charging, the slow charging charging parameters are used, including: charging current, charging temperature range, and the battery NTC temperature control strategy is executed.

In this example, the battery capacity is 3000 mAh, the normal charging current is 2 A, the charging temperature range is 0 to 60 ° C; the slow charging current is 800 mA, and the slow charging temperature ranges from 0 to 45 ° C. In slow charging mode, it can also guarantee that the battery will be completely discharged from power to full charge for 5 hours. As shown in FIG. 4, the slow charging process in the automatic mode in the embodiment of the present disclosure includes:

Step S201: In the setting interface, the slow charging mode is enabled. At this point, the underlying layer will be notified by means of the sys node, and of course other methods can be used;

Step S202: The slow charging automatic mode is enabled. After the slow charging inlet condition is reached, the system automatically starts the slow charging operation without additional operation by the user during charging.

Step S203: connecting the charging device;

Step S204: Perform slow charging entry condition detection based on step S203. The slow charging entry condition in the automatic mode in this example is one of the following:

1) The system time is from 0 o'clock to 6 o'clock;

2) The system time is the time when the mobile phone obtained according to the user's usage habits is not used for a period of time. The statistical rule is that during a certain period of time (such as between 8:00 pm and 8:00 am), the last time of the screen is the starting time point for applying slow charging, and the earliest time of the screen is longer than a certain value (such as one). The time point of the minute is the end time point of using slow charging.

3) The power is above 90%;

4) When the mobile phone consumes more than a certain value, such as 800mA;

5) The number of CPU cores is all enabled, and the frequency is running at higher frequencies;

6) When the temperature of the main board rises rapidly or the temperature is high;

7) After the battery ages, the capacity of the mobile phone can be reduced to a certain ratio;

If the entry condition is satisfied, the process proceeds to step S206; otherwise, the process proceeds to step S205;

Step S205: Based on step S204, normal charging is performed. During the process, it will continue to detect whether the entry conditions are met;

Step S206: Based on step S204, slow charging in the automatic mode is performed, and the charging parameters are modified as follows, as shown in FIG.

Step S207: During the slow charging process, when the temperature of the battery reaches 43 ° C, the slow charging current is halved, and the hysteresis value is 3 ° C, that is, the current returns to the default slow charging circuit at 40 ° C. The purpose is to keep the battery temperature less than 45 degrees during slow charging.

The technical means and functions of the present disclosure for achieving the intended purpose can be more deeply and specifically understood by the description of the embodiments, but the accompanying drawings are only for the purpose of illustration and description, limit.

The embodiment of the present disclosure further provides a non-transitory computer readable storage medium, wherein computer program instructions are stored, when the one or more processors of the smart terminal execute the computer program instructions, the smart terminal performs the above The slow charging method described.

The above is only a specific embodiment of the present disclosure, and is not intended to limit the present disclosure in any way. Any simple modification, equivalent change, combination or modification to the above embodiment in accordance with the technical spirit of the present disclosure still belongs to the present invention. The scope of protection of the disclosed technical solutions.

Industrial applicability

The slow charging method provided by the embodiments of the present disclosure can be applied to a smart terminal, and the slow charging is enabled when the fast charging is not needed, thereby satisfying the rapid charging requirement of the user and maximally protecting the battery.

Claims

A slow charging method, including:

When the smart terminal is connected to the charging device, it is detected whether the slow charging condition is satisfied;

If the slow charging condition is satisfied, the smart terminal is slowly charged.
The slow charging method according to claim 1, wherein said slow charging condition comprises at least one of the following:

The system time of the intelligent terminal is in the set idle time period;

The battery power of the smart terminal is greater than or equal to the set power threshold;

The smart terminal generates heat exceeding a set calorific value threshold or the load exceeds a set load threshold;

The available capacity of the battery of the smart terminal is reduced to a set proportional threshold.
The slow charging method according to claim 2, wherein the determined idle time period is determined by:

The idle time period of the intelligent terminal is counted, and the idle time period of the smart terminal is used as the set idle time period.
The slow charging method according to claim 3, wherein the counting the idle time period of the intelligent terminal comprises:

Performing statistical average on the start and end time of the blackout period that reaches the set duration in the same period of time within the set consecutive days of the smart terminal, and obtaining the blanking period of the smart terminal in the same time period;

The blanking period of the smart terminal in each time period of the day is formed into an idle time period of the smart terminal.
The slow charging method according to claim 2, wherein the case where the smart terminal generates excessive heat includes at least one of the following:

The consumption current of the intelligent terminal in the set duration is continuously greater than or equal to the set current threshold;

The temperature rise rate of the motherboard of the smart terminal exceeds the set temperature rise speed threshold;

The temperature of the motherboard of the smart terminal is greater than or equal to the set temperature threshold.
The slow charging method according to claim 2, wherein the smart terminal is overloaded, including:

The CPU core started by the smart terminal is greater than or equal to the set core threshold, and the frequency of the activated CPU core is greater than or equal to the set frequency threshold.
The slow charging method according to claim 1, wherein the slow charging of the smart terminal comprises:

Limiting the maximum charging current of the smart terminal battery to a slow maximum charging current; or,

The maximum charging current of the smart terminal battery is limited to a slow maximum charging current, and the charging temperature range of the smart terminal battery is controlled within a slow charging temperature range.
The slow charging method according to claim 7, wherein the charging temperature range of the smart terminal battery is controlled within a slow charging temperature range, including:

Selecting a first temperature and a second temperature at an upper limit of a slow charging temperature range within a slow charging temperature range, wherein the first temperature is greater than the second temperature;

When the temperature of the smart terminal battery reaches the first temperature, the charging current of the smart terminal battery is reduced, and when the temperature of the smart terminal battery drops to the second temperature, the charging current of the smart terminal battery is restored to the original charging current, and thus the cycle The charging current of the smart terminal battery is controlled such that the temperature of the smart terminal battery circulates between the first temperature and the second temperature.
An intelligent terminal comprising:

The detecting module is configured to detect whether the slow charging condition is met when the smart terminal is connected to the charging device;

The charging module is set to slowly charge the smart terminal if the slow charging condition is satisfied.
The intelligent terminal of claim 9, wherein the slow charging condition comprises at least one of the following:

The system time of the intelligent terminal is in the set idle time period;

The battery power of the smart terminal is greater than or equal to the set power threshold;

The smart terminal generates heat exceeding a set calorific value threshold or the load exceeds a set load threshold;

The available capacity of the battery of the smart terminal is reduced to a set proportional threshold.
The intelligent terminal according to claim 10, wherein the detecting module is configured to count an idle time period of the smart terminal, and set an idle time period of the smart terminal as the set idle time period.
The intelligent terminal of claim 11, wherein the detecting module is configured to:

Performing statistical average on the start and end time of the blackout period that reaches the set duration in the same period of time within the set consecutive days of the smart terminal, and obtaining the blanking period of the smart terminal in the same time period;

The blanking period of the smart terminal in each time period of the day is formed into an idle time period of the smart terminal.
The smart terminal according to claim 10, wherein the case where the smart terminal generates excessive heat includes at least one of the following:

The consumption current of the intelligent terminal in the set duration is continuously greater than or equal to the set current threshold;

The temperature rise rate of the motherboard of the smart terminal exceeds the set temperature rise speed threshold;

The temperature of the motherboard of the smart terminal is greater than or equal to the set temperature threshold.
The smart terminal according to claim 10, wherein the smart terminal is overloaded, including:

The CPU core started by the smart terminal is greater than or equal to the set core threshold, and the frequency of the activated CPU core is greater than or equal to the set frequency threshold.
The intelligent terminal of claim 9, wherein the charging module is configured to:

Limiting the maximum charging current of the smart terminal battery to a slow maximum charging current; or,

The maximum charging current of the smart terminal battery is limited to a slow maximum charging current, and the charging temperature range of the smart terminal battery is controlled within a slow charging temperature range.
The intelligent terminal of claim 15, wherein the charging module is configured to:

Selecting a first temperature and a second temperature in a range of a slow charging temperature range close to the slow charging temperature range, wherein the first temperature is greater than the second temperature;

When the temperature of the smart terminal battery reaches the first temperature, the charging current of the smart terminal battery is reduced, and when the temperature of the smart terminal battery drops to the second temperature, the charging current of the smart terminal battery is restored to the original charging current, and thus the cycle The charging current of the smart terminal battery is controlled such that the temperature of the smart terminal battery circulates between the second temperature and the first temperature.