CN117526524B - Zero-volt automatic charging method for battery of intelligent watch - Google Patents

Zero-volt automatic charging method for battery of intelligent watch Download PDF

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Publication number
CN117526524B
CN117526524B CN202311845714.8A CN202311845714A CN117526524B CN 117526524 B CN117526524 B CN 117526524B CN 202311845714 A CN202311845714 A CN 202311845714A CN 117526524 B CN117526524 B CN 117526524B
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China
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charging
battery
external power
power supply
output voltage
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CN117526524A (en
Inventor
韦加新
韦志浩
韦廷高
许伟坡
韦国栋
陈晓成
段春新
张旭玮
张深发
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Shenzhen Xinkeyun Technology Co ltd
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Shenzhen Xinkeyun Technology Co ltd
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    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/10—Arrangements for supplying back-up power
    • 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
    • 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
    • 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
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The application discloses an automatic zero volt charging method for a battery of an intelligent watch, which relates to the technical field of intelligent watches and comprises the following steps: in response to detecting that the voltage of the battery of the intelligent watch is zero volt, controlling the pre-charging module to charge the battery and displaying first prompt information; in response to detecting that the electric quantity of the battery reaches a preset electric quantity value and detecting that the intelligent watch is connected to an external power supply, determining a charging strategy according to a charging mode of the intelligent watch, charging information of a pre-charging module and charging information of the external power supply; the charging strategy comprises a first charging strategy of the battery and a second charging strategy of the pre-charging module, the charging information of the pre-charging module comprises information of at least two times of charging of the battery by the pre-charging module, and the charging information of the external power supply comprises information of at least two times of charging of the battery by the external power supply; and executing a first charging strategy and a second charging strategy. According to the method, zero-volt automatic charging of the intelligent watch is realized, the performance of the battery is improved, and the running stability of the intelligent watch is ensured.

Description

Zero-volt automatic charging method for battery of intelligent watch
Technical Field
The application relates to the technical field of intelligent watches, in particular to a zero-volt automatic charging method for a battery of an intelligent watch.
Background
The intelligent watch is wearable intelligent equipment, can remind, navigate, calibrate, monitor, interact and the like in addition to indicating time, and the display mode comprises a pointer, a number, an image and the like. It generally has information processing capability, and meets the basic technical requirements of a watch.
At present, the battery of intelligent wrist-watch is chargeable battery, when the battery electric quantity of intelligent wrist-watch is not enough, can resume battery electric quantity through the mode of charging. However, when the battery power of the smart watch is exhausted, the smart watch can be directly powered off; in some emergency situations, if the user cannot charge in time, the use of the user is affected.
Disclosure of Invention
An object of the application is to provide a zero volt automatic charging method for an intelligent watch battery, to realize zero volt automatic charging of the intelligent watch, and then to improve the performance of the battery, and to ensure the running stability of the intelligent watch.
To achieve the above objective, an embodiment of the present application provides a method for automatically charging a battery of a smart watch with zero voltage, including: in response to detecting that the voltage of the battery of the intelligent watch is zero volt, controlling the pre-charging module to charge the battery, and displaying first prompt information, wherein the first prompt information is used for reminding a user to charge the intelligent watch; in response to detecting that the electric quantity of the battery reaches a preset electric quantity value and detecting that the intelligent watch is connected to an external power supply, determining a charging strategy according to a charging mode of the intelligent watch, charging information of the pre-charging module and charging information of the external power supply; the charging strategy comprises a first charging strategy of the battery and a second charging strategy of the pre-charging module, the charging information of the pre-charging module comprises information for charging the battery at least twice, and the charging information of the external power supply comprises information for charging the battery at least twice; and executing the first charging strategy and the second charging strategy.
In a possible implementation manner, the determining a charging policy according to the charging mode of the smart watch, the charging information of the pre-charging module, and the charging information of the external power supply includes: if the charging mode is a wired charging mode, determining whether the external power supply needs to charge the pre-charging module according to the charging information of the pre-charging module; if the external power supply needs to charge the pre-charging module, determining the first charging strategy according to charging information of the external power supply, wherein the first charging strategy comprises: the charging stage of the battery is divided into a first charging stage and a second charging stage, wherein in the first charging stage, the external power supply charges the battery by taking a first output voltage until the battery reaches a first target electric quantity, and in the second charging stage, the external power supply charges the battery by taking a second output voltage until the battery reaches a full electric quantity, the second output voltage is smaller than the first output voltage, and the first output voltage is determined according to charging information of the external power supply; determining the second charging strategy according to the first charging strategy, wherein the second charging strategy comprises: in the second charging stage, the external power supply charges the precharge module with a third output voltage, which is determined according to the first output voltage and the second output voltage.
In one possible implementation manner, the smart watch battery zero volt automatic charging method further comprises: if the external power supply does not need to charge the pre-charging module, determining the first charging strategy according to charging information of the external power supply, wherein the first charging strategy comprises: the external power supply charges the battery by taking the first output voltage until the battery reaches a second target electric quantity, wherein the second target electric quantity is larger than the first target electric quantity; determining the second charging strategy according to the first charging strategy, wherein the second charging strategy comprises the following steps: after the battery reaches the second target electric quantity, the pre-charging module charges the battery with an output voltage smaller than the second output voltage until the battery reaches a full electric quantity.
In a possible implementation manner, the determining a charging policy according to the charging mode of the smart watch, the charging information of the pre-charging module, and the charging information of the external power supply includes: if the charging mode is a wireless charging mode, determining whether the external power supply needs to charge the pre-charging module according to the charging information of the pre-charging module; if the external power supply needs to charge the pre-charging module, determining the first charging strategy according to charging information of the external power supply, wherein the first charging strategy comprises: the external power supply charges the battery by taking a fourth output voltage until the battery reaches full capacity, and the fourth output voltage is determined according to charging information of the external power supply; determining the second charging strategy according to the first charging strategy, wherein the second charging strategy comprises: and when the electric quantity of the battery reaches at least two intermediate electric quantities, the external power supply charges the pre-charging module for a first preset time period by taking a fifth output voltage, wherein the fifth output voltage is determined according to the fourth output voltage and the maximum output voltage of the external power supply.
In one possible implementation manner, the smart watch battery zero volt automatic charging method further comprises: if the external power supply does not need to charge the pre-charging module, determining the first charging strategy according to charging information of the external power supply, wherein the first charging strategy comprises: the external power supply charges the battery by using the sixth output voltage until the battery reaches full capacity, wherein the sixth output voltage is smaller than the fourth output voltage; determining the second charging strategy according to the first charging strategy, wherein the second charging strategy comprises: and when the electric quantity of the battery reaches at least two intermediate electric quantities, the pre-charging module charges the battery for a second preset time period by using a seventh output voltage, wherein the seventh output voltage is determined according to a difference value between the sixth output voltage and the fourth output voltage.
In one possible implementation manner, the smart watch battery zero volt automatic charging method further comprises: in response to detecting that the electric quantity of the battery does not reach a preset electric quantity value, and detecting that the intelligent watch is connected to an external power supply, determining a first charging strategy of the battery according to a charging mode of the intelligent watch and charging information of the external power supply, wherein the first charging strategy comprises: the charging stage of the battery is divided into a first charging stage and a second charging stage, wherein in the first charging stage, the external power supply charges the battery by using the output voltage when the pre-charging module charges the battery until the electric quantity of the battery reaches the preset electric quantity value; in the second charging stage, the external power supply charges the battery with rated output voltage until the electric quantity of the battery reaches full electric quantity; and determining a second charging strategy of the pre-charging module according to the difference value between the current electric quantity of the battery and the preset electric quantity value and the charging information of the pre-charging module.
In one possible implementation manner, the determining the second charging strategy of the pre-charging module according to the difference between the current electric quantity of the battery and the preset electric quantity value and the charging information of the pre-charging module includes: if the difference between the current electric quantity of the battery and the preset electric quantity value is greater than or equal to a preset difference value, determining that the second charging strategy is not to be charged; if the difference between the current electric quantity of the battery and the preset electric quantity value is smaller than the preset difference, determining the second charging strategy according to the charging information of the pre-charging module, wherein the second charging strategy comprises: in the first charging phase, the external power source charges the pre-charge module with an average output voltage of at least two times the pre-charge module charges the battery.
In one possible implementation manner, the smart watch battery zero volt automatic charging method further comprises: in response to detecting that the electric quantity of the battery reaches a preset electric quantity value and detecting that the intelligent watch is not connected to an external power supply, controlling a pre-charging module to charge the battery with the minimum output voltage until the voltage of the pre-charging module is zero volt, and displaying second prompt information; the second prompt message is used for reminding a user to charge the intelligent watch, and the charging time length is required to reach the preset charging time length.
In one possible implementation manner, the smart watch battery zero volt automatic charging method further comprises: determining a target charging strategy in response to detecting that the smart watch is connected to an external power supply; the target charging strategy includes: a first charging stage and a second charging stage, wherein in the first charging stage, the external power supply charges the battery and the pre-charging module until the voltage of the pre-charging module reaches an initial voltage; in the second charging stage, the external power source charges the battery until the electric quantity of the battery reaches full electric quantity.
In one possible implementation manner, the smart watch battery zero volt automatic charging method further comprises: after each use of the precharge module to charge the battery, adding 1 to the number of uses of the precharge module; in response to detecting that the use times of the pre-charging module reach preset use times, displaying third prompt information, wherein the third prompt information is used for reminding a user of a wrong charging mode; and responding to the detection of the triggering operation of the third prompt information, generating recommended charging information according to the historical charging record of the intelligent watch, and displaying the recommended charging information.
Compared with the prior art, the technical scheme that this application provided adds the precharge module in intelligent wrist-watch, and this precharge module can understand as the inside energy storage module of intelligent wrist-watch, when the battery voltage of intelligent wrist-watch is zero volt, the electric quantity of explanation battery is spent. At the moment, the pre-charging module is controlled to charge the battery, so that the normal operation of the intelligent ammeter is ensured; then, after the external power supply is connected, the external power supply is used for charging the battery. And, can also combine the relevant information, formulate the charge tactics correlated to external power supply and pre-charging module, in order to realize more rational and scientific charging. Therefore, on the basis of zero-volt automatic charging, the performance of the battery can be improved, and the running stability of the intelligent watch is ensured.
Drawings
Fig. 1 is a schematic structural view of a power supply system according to an embodiment of the present application;
FIG. 2 is a flow chart of a smart watch battery zero volt auto-charge method according to an embodiment of the present application;
FIG. 3 is a flow chart of determining a charging strategy according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a smart watch according to an embodiment of the present application.
Detailed Description
The following detailed description of specific embodiments of the present application is made with reference to the accompanying drawings, but it is to be understood that the scope of protection of the present application is not limited by the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
The technical scheme provided by the embodiment of the application can be applied to the intelligent watch or other chargeable intelligent equipment.
Smartwatches typically have some of the following functions:
health monitoring: smartwatches are often equipped with various sensors, such as heart rate sensors, blood oxygen sensors, sleep monitoring sensors, etc., which can monitor physiological indicators of the user, such as heart rate, blood oxygen saturation, sleep quality, etc. In addition, the intelligent watch can record the exercise data of the user, such as the number of steps, calorie consumption, exercise time and the like, through the built-in exercise sensor.
Notification reminder: the smart watch may receive notification reminders from a cell phone or other device, such as a phone call, a short message, a social media message, and the like. The user may view and reply to these notifications through the smart watch.
Navigation positioning: the smart watch is generally built with a positioning system, which can record the movement track of the user and provide navigation service in the open air or in a strange place.
Music control: the intelligent watch can be connected with a mobile phone or other devices to control music playing. The user may select to play music, adjust volume, etc. through the smart watch.
An intelligent assistant: the intelligent watch is internally provided with an intelligent assistant function, so that a user can be helped to perform operations such as voice interaction, information inquiry, alarm clock setting and the like.
Payment function: the smart watch generally supports a payment function, and a user can perform shopping, bill payment, and the like through the smart watch.
Data synchronization: the smart watch may synchronize data with the cell phone or other device such as number of steps, calorie consumption, movement trajectories, etc. Thus, the user can check the health data of the user at any time and any place.
In order to realize normal operation of the functions, a battery is arranged in the intelligent watch, the battery is a rechargeable battery, and when the electric quantity of the battery is insufficient, a user can use the charging equipment to connect with an external power supply, so that the external power supply charges the battery.
In the related art, when the battery power of the intelligent watch is exhausted, the intelligent watch is directly powered off; in some emergency situations, if the user cannot charge in time, the use of the user is affected.
Based on this, this application embodiment provides a technical scheme, and this technical scheme can realize the automatic charging of intelligent wrist-watch battery zero volt, promotes the performance of battery, and then guarantees the operating stability of intelligent wrist-watch.
Referring to fig. 1, a schematic structural diagram of a power supply system of a smart watch is shown in fig. 1, and the power supply system includes: battery, pre-charge module, charge control module and power supply control module. The battery is electrically connected with the pre-charging module, the charging control module and the power supply control module respectively, and the charging control module is electrically connected with the pre-charging module.
In some embodiments, when the battery is powered, the current output by the battery is output to each power module of the smart watch by the power control module.
In some embodiments, the charge control module may control the precharge module to output current to the battery while the battery is being charged. The charging control module can be electrically connected with an external power supply and controls the external power supply to output corresponding current to the battery, or the charging control module is a pre-charging module.
In some embodiments, the smart watch may adopt two charging modes, wired or wireless, and if wired charging is performed, connection between an external power supply and a battery is achieved through a wired charging module; the intelligent watch is provided with a charging connection port through the charging connection port and a corresponding charging connection line, and is connected with an external power supply. If the wireless charging is performed, the connection between the external power supply and the battery is realized through the wireless charging module, and the wireless charging module corresponds to the receiving coil and the transmitting coil so as to realize wireless charging. The specific charging connection modes involved can refer to the mature technology in the field, and are not described in detail herein.
In this embodiment of the present application, the pre-charging module may include a backup battery and a control module corresponding to the backup battery, where the control module corresponding to the backup battery may control the backup battery to output a corresponding current to charge the battery that is mainly used. The power of the backup battery is also limited, and the initial state of the backup battery can be full power, and after multiple uses, the backup battery can not provide a charging function, so that timely energy storage is also needed.
Referring to fig. 2, a flowchart of a method for automatically charging a battery of a smart watch at zero voltage is shown, which can be applied to the power supply system shown in fig. 1, for example, a charging control module therein. The method comprises the following steps:
in step 201, in response to detecting that the voltage of the battery of the smart watch is zero volt, the pre-charging module is controlled to charge the battery, and the first prompt message is displayed. The first prompt message is used for reminding a user to charge the intelligent watch.
In some embodiments, when the voltage of the battery of the smart watch is detected to be infinitely close to zero volt, the pre-charging module can be controlled to charge the battery, so that the smart watch is prevented from being directly powered off.
In some embodiments, the battery and the pre-charging module may be connected through a corresponding connection switch, and the pre-charging module may be controlled to charge the battery, which may be understood as closing the connection switch, and then the pre-charging module may start charging the battery. The connection switch may be in an off state when the precharge module is not required to charge the battery.
In some embodiments, the first prompt may be a vibration prompt, a voice prompt, a pop-up prompt, etc., and specifically what prompt form may be configured by the user.
After the first prompt message is displayed, the user may connect the smart watch to an external power source; it may be impossible to connect the smart watch to an external power source for various reasons. Therefore, there are a number of possible charging situations.
Therefore, the real-time electric quantity of the battery can be detected, whether the intelligent watch is connected with an external power supply or not can be detected, and the charging logic of the battery is reasonably configured according to two detection results. The real-time electric quantity of the battery can be detected by a corresponding sensor, for example: and detecting the output current of the battery and determining the electric quantity of the battery. Whether the intelligent watch is connected with an external power supply or not can be detected through corresponding detection modes of different charging modes, and the intelligent watch can be specifically referred to the mature technology in the field and is not described in detail herein.
Step 202, in response to detecting that the electric quantity of the battery reaches a preset electric quantity value and detecting that the intelligent watch is connected to an external power supply, determining a charging strategy according to a charging mode of the intelligent watch, charging information of the pre-charging module and charging information of the external power supply.
In some embodiments, the preset power value may be a low battery threshold of the smart watch, such as: 10 percent, 20 percent, etc.
The charging strategy comprises a first charging strategy of the battery and a second charging strategy of the pre-charging module, the charging information of the pre-charging module comprises information of at least two times of pre-charging of the battery by the pre-charging module, and the charging information of the external power supply comprises information of at least two times of charging of the battery by the external power supply.
In some embodiments, the charging information may include: charge amount, charge duration, output voltage, etc. At least two times, and may be the last two times; or more times.
In the embodiment of the present application, the output voltage may be understood as a voltage that is finally output to the battery when the external power source charges the battery, rather than an output voltage directly from the external power source. In the following embodiments, where the output voltage is referred to, unless otherwise specifically explained, it is understood that the voltage output from the external power source to the battery is understood.
The charging information of the pre-charging module can represent the condition that the pre-charging module charges the battery; the charging information of the external power supply can represent the condition that the external power supply charges the battery.
The first charging strategy, which may be understood as a strategy for charging the battery, includes an output voltage of an external power source, etc., which may be implemented by the charging control module. For example: and dividing the direct output voltage of the external power supply to obtain the output voltage of the external power supply for charging the battery.
The second charging strategy may be understood as a strategy for charging the pre-charging module or a strategy for charging the battery by the pre-charging module. The charging strategy may be implemented by a charging control module.
In this embodiment of the present application, the charging modes include a wired charging mode and a wireless charging mode, where the wired charging mode corresponds to a wired charging mode, and the wireless charging mode corresponds to a wireless charging mode.
As an alternative embodiment, step 202 includes: if the charging mode is a wired charging mode, determining whether an external power supply needs to charge the pre-charging module according to the charging information of the pre-charging module; if the external power supply needs to charge the pre-charging module, determining a first charging strategy according to charging information of the external power supply, wherein the first charging strategy comprises: the charging stage of the battery is divided into a first charging stage and a second charging stage, wherein in the first charging stage, the external power supply charges the battery by taking a first output voltage until the battery reaches a first target electric quantity, in the second charging stage, the external power supply charges the battery by taking a second output voltage until the battery reaches a full electric quantity, the second output voltage is smaller than the first output voltage, and the first output voltage is determined according to charging information of the external power supply; determining a second charging strategy according to the first charging strategy, wherein the second charging strategy comprises: in the second charging stage, the external power supply charges the precharge module with a third output voltage, which is determined according to the first output voltage and the second output voltage.
In some embodiments, if the charge amount reaches a preset maximum charge amount when the battery is charged last time in the charge information of the pre-charge module, it is determined that the external power supply needs to charge the pre-charge module. If the charge quantity does not reach the preset maximum charge quantity when the battery is charged for the last time, judging whether the accumulated charge quantity for charging the battery for the last time is larger than the maximum charge quantity, and if so, determining that the pre-charging module needs to be charged; otherwise, it is determined that no charging of the precharge module is required.
In some embodiments, the first target charge may be a demarcation charge value that initiates a safe charge, such as the aforementioned 90 percent.
In some embodiments, the second output voltage is less than the first output voltage, and the first output voltage is determined according to charging information of the external power source. In order to ensure the safety of the smart watch during charging, the first output voltage may be an average output voltage determined according to charging information of an external power supply, or a maximum output voltage determined according to charging information of the external power supply.
In some embodiments, the second output voltage may be determined according to a pre-configured safe charging policy in the smart watch and the first output voltage. By way of example, in smartwatches, secure charging policies are typically preconfigured, such as: after the smart watch is charged to 90 percent of its power, the charging speed is reduced. Therefore, before 90 percent of the electric quantity and after 90 percent of the electric quantity, the corresponding output voltages are different, and a preset proportional relation exists. Thus, the second output voltage can be determined based on the preset proportional relationship and the first output voltage.
In some embodiments, the first output voltage may be a sum of the third output voltage and the second output voltage. Therefore, the third output voltage can be determined by subtracting the second output voltage from the first output voltage.
In some embodiments, during the second charging phase, the external power source may charge the precharge module with the third output voltage at all times, or may charge only a portion of the time.
In some embodiments, in the second charging stage, to implement a corresponding charging strategy, the overall output voltage of the external power supply may be divided, then the second output voltage may be output to the battery, and the third output voltage may be output to the precharge module.
In some embodiments, if the external power source is not required to charge the pre-charging module, determining a first charging policy according to charging information of the external power source, the first charging policy includes: the external power supply charges the battery by taking the first output voltage until the battery reaches a second target electric quantity, wherein the second target electric quantity is larger than the first target electric quantity; determining a second charging strategy according to the first charging strategy, wherein the second charging strategy comprises: after the battery reaches the second target electric quantity, the pre-charging module charges the battery with an output voltage smaller than the second output voltage until the battery reaches the full electric quantity.
In this embodiment, since the precharge module does not need to be charged, the charging of the remaining amount of the battery can also be completed by the precharge module at a later stage.
In some embodiments, the second target power amount is greater than the first target power amount, for example: the first target electric quantity is 90 percent, and the second target electric quantity is 98 percent.
In some embodiments, the output voltage that is less than the second output voltage may be an output voltage that is capable of charging the battery from the second target charge to a full charge for a period of time. The certain time is, for example, 10 minutes, 5 minutes, or the like.
As another embodiment, step 202 includes: if the charging mode is a wireless charging mode, determining whether an external power supply needs to charge the pre-charging module according to the charging information of the pre-charging module; if the external power supply needs to charge the pre-charging module, determining a first charging strategy according to charging information of the external power supply, wherein the first charging strategy comprises: the external power supply charges the battery by taking the fourth output voltage until the battery reaches full capacity, and the fourth output voltage is determined according to charging information of the external power supply; determining a second charging strategy according to the first charging strategy, wherein the second charging strategy comprises: when the electric quantity of the battery reaches at least two intermediate electric quantities, the external power supply charges the pre-charging module for a first preset time period by taking a fifth output voltage, and the fifth output voltage is determined according to the fourth output voltage and the maximum output voltage of the external power supply.
In some embodiments, the implementation of determining whether the external power source needs to charge the pre-charge module may refer to the foregoing embodiments, and the description is not repeated here.
In some embodiments, the determination manner of the fourth output voltage may refer to the foregoing determination manner of the first output voltage, and will not be repeated herein.
It will be appreciated that since the charging rate of wireless charging is slower than that of wired charging, the battery may always be charged with the fourth output voltage. And, the external power supply of precharge module is shunted as little as possible.
In some embodiments, at least two intermediate amounts of electricity, for example: 20 percent, 40 percent, 60 percent, etc.
In some embodiments, the fifth output voltage may be the maximum output voltage minus the fourth output voltage.
In some embodiments, the first preset time period may be: 5 minutes, 10 minutes, etc.
Further, by way of example, when the battery is charged to 20 percent, the external power source charges the pre-charge module for 5 minutes and then stops charging the pre-charge module; when the battery charge reaches 40 percent, the external power supply charges the pre-charge module for another 5 minutes, and then stops charging the pre-charge module.
By the charging mode, the energy storage of the pre-charging module can be realized on the basis of not influencing wireless charging.
In some embodiments, if the external power source is not required to charge the pre-charging module, determining a first charging policy according to charging information of the external power source, the first charging policy includes: the external power supply charges the battery by using the sixth output voltage until the battery reaches full capacity, wherein the sixth output voltage is smaller than the fourth output voltage; determining a second charging strategy according to the first charging strategy, wherein the second charging strategy comprises: when the electric quantity of the battery reaches at least two intermediate electric quantities, the pre-charging module charges the battery for a second preset time period by taking a seventh output voltage, and the seventh output voltage is determined according to the difference value between the sixth output voltage and the fourth output voltage.
In some embodiments, the sixth output voltage may be an output voltage determined to be less than the fourth output voltage according to charging information of the external power source.
In some embodiments, the seventh output voltage may be equal to a difference voltage between the sixth output voltage and the fourth output voltage.
In some embodiments, the second preset time period may be 5 minutes, 10 minutes, or the like. The foregoing examples can be seen with respect to the implementation of at least two intermediate electrical quantities.
In this way, if the precharge module does not need to be charged, an external power supply for assisting the wireless charging can also charge the battery, so as to realize more stable and safe charging.
In some embodiments, the smart watch battery zero volt auto-charge method further comprises:
in response to detecting that the electric quantity of the battery does not reach a preset electric quantity value, and detecting that the intelligent watch is connected to an external power supply, determining a first charging strategy of the battery according to a charging mode of the intelligent watch and charging information of the external power supply, wherein the first charging strategy comprises: the charging stage of the battery is divided into a first charging stage and a second charging stage, wherein in the first charging stage, an external power supply charges the battery by using the output voltage when the precharge module charges the battery until the electric quantity of the battery reaches a preset electric quantity value; in the second charging stage, the external power supply charges the battery with rated output voltage until the electric quantity of the battery reaches full electric quantity; and determining a second charging strategy of the pre-charging module according to the difference value between the current electric quantity of the battery and the preset electric quantity value and the charging information of the pre-charging module.
In this embodiment, if the battery power has not reached the preset power value, the external power source is connected to the external power source, and the external power source may charge the battery with the output voltage when the precharge module charges the battery, until the battery power reaches the preset power value. And then, charging the battery with the rated output voltage until the electric quantity of the battery reaches the full electric quantity.
In some embodiments, the credit output voltage may be determined by a charging mode of the smart watch and charging information of the external power source. For example, the nominal output voltage of the wired charging mode is greater than the nominal output voltage of the wireless charging mode. And the rated output voltage is determined according to the charging information of the external power supply.
In some embodiments, determining the second charging policy of the pre-charging module according to the difference between the current charge of the battery and the preset charge value and the charging information of the pre-charging module includes:
if the difference value between the current electric quantity of the battery and the preset electric quantity value is larger than or equal to the preset difference value, determining that the second charging strategy is not to be charged; if the difference between the current electric quantity of the battery and the preset electric quantity value is smaller than the preset difference, determining a second charging strategy according to the charging information of the pre-charging module, wherein the second charging strategy comprises: in the first charging phase, the external power source charges the pre-charge module with an average output voltage of at least two times the pre-charge module charges the battery.
In some embodiments, the preset difference value may be a value that can affect the precharge module, such as: the preset difference is two thirds of the preset electric quantity value.
In some embodiments, the external power source charges the pre-charge module with an average output voltage that charges the battery at least twice, either for the entire first charge phase or for only a portion of the time.
In some embodiments, the smart watch battery zero volt auto-charge method further comprises:
in response to detecting that the electric quantity of the battery reaches a preset electric quantity value and that the intelligent watch is not connected to an external power supply, controlling the pre-charging module to charge the battery with the minimum output voltage until the voltage of the pre-charging module is zero volt, and displaying second prompt information; the second prompt message is used for reminding the user to charge the intelligent watch, and the charging time length needs to reach the preset charging time length.
In some embodiments, the preset charge duration may be determined from historical charge data, for example: the maximum duration determined from the historical charge consumption may be equal to or less than the maximum duration.
In some embodiments, the second prompt may be in a variety of forms, and may be in a presentation form configured by the user.
In some embodiments, the smart watch battery zero volt auto-charge method further comprises: determining a target charging strategy in response to detecting that the smart watch is connected to an external power supply; the target charging strategy includes: the device comprises a first charging stage and a second charging stage, wherein in the first charging stage, an external power supply charges a battery and a pre-charging module until the voltage of the pre-charging module reaches an initial voltage; in the second charging stage, the external power source charges the battery until the electric quantity of the battery reaches full electric quantity.
In such an embodiment, in the first charging phase, the output voltage of the external power source may be reasonably distributed to achieve simultaneous charging of the pre-charge module and the battery.
In the second charging stage, the output voltage of the external power supply is input to the battery to quickly charge the battery to full charge. Specifically, the charging strategy used therein may refer to the foregoing embodiments.
Step 203, executing a first charging strategy and a second charging strategy.
In some embodiments, the voltage output by the external power source to the battery, or the voltage output to the pre-charge module, is controlled by the charge control module according to the first and second charge strategies; or controlling the voltage output to the battery by the pre-charging module; to execute the first charging strategy and the second charging strategy.
The control of the output voltage, or the output voltage to the battery, etc., may be performed by referring to a mature technology in the art, and will not be specifically described herein.
In some embodiments, the smart watch battery zero volt auto-charge method further comprises:
after each use of the precharge module to charge the battery, adding 1 to the number of uses of the precharge module; in response to detecting that the use times of the pre-charging module reach preset use times, displaying third prompt information, wherein the third prompt information is used for reminding a user of a wrong charging mode; and responding to the detection of the triggering operation on the third prompt information, generating recommended charging information according to the historical charging record of the intelligent watch, and displaying the recommended charging information.
In some embodiments, the preset number of uses may be 5.
In some embodiments, some wrong charging information is preconfigured, and recommended charging information corresponding to the wrong charging information is configured.
Therefore, the error charging information is screened from the historical charging record according to the pre-configured error charging information. And generating recommended charging information corresponding to the wrong charging information according to the preset recommended charging information.
In some embodiments, the recommended charging information may be displayed in various forms, which are not limited herein.
Through the introduction of the embodiment of the application, a new precharge module is added in the smart watch, and the precharge module can be understood as an internal energy storage module of the smart watch, and when the battery voltage of the smart watch is zero volt, the battery is described as being exhausted. At the moment, the pre-charging module is controlled to charge the battery, so that the normal operation of the intelligent ammeter is ensured; then, after the external power supply is connected, the external power supply is used for charging the battery. And, can also combine the relevant information, formulate the charge tactics correlated to external power supply and pre-charging module, in order to realize more rational and scientific charging. Therefore, on the basis of zero-volt automatic charging, the performance of the battery can be improved, and the running stability of the intelligent watch is ensured.
Referring to fig. 3, an embodiment of the present application further provides a flowchart for determining a charging policy, from which it can be seen that when determining the charging policy, it is required to determine whether the electric quantity of the battery reaches a preset electric quantity value, and whether the smart watch has been connected to an external power supply.
And under the condition that the electric quantity of the battery reaches a preset electric quantity value and the intelligent watch is connected to an external power supply, a corresponding charging strategy can be determined.
When the electric quantity of the battery reaches a preset electric quantity value and the intelligent watch is not connected with an external power supply, corresponding reminding can be carried out.
And under the condition that the electric quantity of the battery does not reach a preset electric quantity value and the intelligent watch is connected to an external power supply, a corresponding charging strategy can be determined.
And under the condition that the electric quantity of the battery does not reach the preset electric quantity value and the intelligent watch is not connected with an external power supply, continuously judging whether the electric quantity of the battery reaches the preset electric quantity value or not and judging whether the intelligent watch is connected with the external power supply or not.
Referring to fig. 4, an embodiment of the present application further provides a smart watch that may be used as an execution subject of the foregoing automatic charging method.
The smart watch comprises a processor 401 and a memory 402, wherein the processor 401 is in communication connection with the memory 402.
The processor 401 and the memory 402 are directly or indirectly electrically connected to each other to realize data transmission or interaction. For example, electrical connections may be made between these elements through one or more communication buses or signal buses. The aforementioned modules or method steps performed by the respective interaction end respectively comprise at least one software functional module which may be stored in the memory 402 in the form of software or firmware (firmware).
The processor 401 may be an integrated circuit chip having signal processing capabilities. The processor 401 may be a general-purpose processor including a CPU (Central Processing Unit ), NP (Network Processor, network processor), etc.; but may be a digital signal processor, an application specific integrated circuit, an off-the-shelf programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component. Which may implement or perform the disclosed methods, steps, and logic blocks in embodiments of the invention. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 402 may store various software programs and modules. The processor 401 executes various functional applications and data processing by running software programs and modules stored in the memory 402, i.e., implements the various steps of the embodiments of the present application.
Memory 402 may include, but is not limited to, RAM (Random Access Memory ), ROM (Read Only Memory), PROM (Programmable Read-Only Memory, programmable Read Only Memory), EPROM (Erasable Programmable Read-Only Memory, erasable Read Only Memory), EEPROM (Electric Erasable Programmable Read-Only Memory, electrically erasable Read Only Memory), and the like.
It will be appreciated that the configuration shown in fig. 4 is merely illustrative, and that the smart watch may also include more or fewer components than shown in fig. 4, or have a different configuration than shown in fig. 4.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing descriptions of specific exemplary embodiments of the present application are presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the application to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the present application and its practical application to thereby enable one skilled in the art to make and utilize the present application in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. The scope of the application is intended to be defined by the claims and the equivalents thereof.

Claims (9)

1. The zero-volt automatic charging method for the battery of the intelligent watch is characterized by comprising the following steps of:
in response to detecting that the voltage of the battery of the intelligent watch is zero volt, controlling the pre-charging module to charge the battery, and displaying first prompt information, wherein the first prompt information is used for reminding a user to charge the intelligent watch;
in response to detecting that the electric quantity of the battery reaches a preset electric quantity value and detecting that the intelligent watch is connected to an external power supply, determining a charging strategy according to a charging mode of the intelligent watch, charging information of the pre-charging module and charging information of the external power supply; the charging strategy comprises a first charging strategy of the battery and a second charging strategy of the pre-charging module, the charging information of the pre-charging module comprises information for charging the battery at least twice, and the charging information of the external power supply comprises information for charging the battery at least twice;
executing the first charging strategy and the second charging strategy;
the determining a charging policy according to the charging mode of the smart watch, the charging information of the pre-charging module, and the charging information of the external power supply includes:
If the charging mode is a wired charging mode, determining whether the external power supply needs to charge the pre-charging module according to the charging information of the pre-charging module;
if the external power supply needs to charge the pre-charging module, determining the first charging strategy according to charging information of the external power supply, wherein the first charging strategy comprises: the charging stage of the battery is divided into a first charging stage and a second charging stage, wherein in the first charging stage, the external power supply charges the battery by taking a first output voltage until the battery reaches a first target electric quantity, and in the second charging stage, the external power supply charges the battery by taking a second output voltage until the battery reaches a full electric quantity, the second output voltage is smaller than the first output voltage, and the first output voltage is determined according to charging information of the external power supply;
determining the second charging strategy according to the first charging strategy, wherein the second charging strategy comprises: in the second charging stage, the external power supply charges the precharge module with a third output voltage, which is determined according to the first output voltage and the second output voltage.
2. The smart watch battery zero volt automatic charging method of claim 1, further comprising:
if the charging mode is a wired charging mode and the external power supply is not required to charge the pre-charging module, determining the first charging strategy according to charging information of the external power supply, where the first charging strategy includes: the external power supply charges the battery by taking the first output voltage until the battery reaches a second target electric quantity, wherein the second target electric quantity is larger than the first target electric quantity;
determining the second charging strategy according to the first charging strategy, wherein the second charging strategy comprises: after the battery reaches the second target electric quantity, the pre-charging module charges the battery with an output voltage smaller than the second output voltage until the battery reaches a full electric quantity.
3. The smart watch battery zero volt auto-charge method of claim 1, wherein the determining a charge policy based on a charge mode of the smart watch, charge information of the pre-charge module, and charge information of the external power source comprises:
If the charging mode is a wireless charging mode, determining whether the external power supply needs to charge the pre-charging module according to the charging information of the pre-charging module;
if the external power supply needs to charge the pre-charging module, determining the first charging strategy according to charging information of the external power supply, wherein the first charging strategy comprises: the external power supply charges the battery by taking a fourth output voltage until the battery reaches full capacity, and the fourth output voltage is determined according to charging information of the external power supply;
determining the second charging strategy according to the first charging strategy, wherein the second charging strategy comprises: and when the electric quantity of the battery reaches at least two preset intermediate electric quantities, the external power supply charges the pre-charging module for a first preset time period by taking a fifth output voltage, wherein the fifth output voltage is determined according to the fourth output voltage and the maximum output voltage of the external power supply.
4. The smart watch battery zero volt automatic charging method of claim 3, further comprising:
if the charging mode is a wireless charging mode and the external power supply does not need to charge the pre-charging module, determining the first charging strategy according to charging information of the external power supply, wherein the first charging strategy comprises: the external power supply charges the battery by using a sixth output voltage until the battery reaches full capacity, wherein the sixth output voltage is smaller than the fourth output voltage;
Determining the second charging strategy according to the first charging strategy, wherein the second charging strategy comprises: and when the electric quantity of the battery reaches at least two intermediate electric quantities, the pre-charging module charges the battery for a second preset time period by using a seventh output voltage, wherein the seventh output voltage is determined according to a difference value between the sixth output voltage and the fourth output voltage.
5. The smart watch battery zero volt automatic charging method of claim 1, further comprising:
in response to detecting that the electric quantity of the battery does not reach a preset electric quantity value, and detecting that the intelligent watch is connected to an external power supply, determining a first charging strategy of the battery according to a charging mode of the intelligent watch and charging information of the external power supply, wherein the first charging strategy comprises: the charging stage of the battery is divided into a third charging stage and a fourth charging stage, and in the third charging stage, the external power supply charges the battery by using the output voltage when the pre-charging module charges the battery until the electric quantity of the battery reaches the preset electric quantity value; in the fourth charging stage, the external power supply charges the battery with rated output voltage until the electric quantity of the battery reaches full electric quantity;
And determining a second charging strategy of the pre-charging module according to the difference value between the current electric quantity of the battery and the preset electric quantity value and the charging information of the pre-charging module.
6. The method of claim 5, wherein determining the second charging strategy of the pre-charging module according to the difference between the current power of the battery and the preset power value and the charging information of the pre-charging module comprises:
if the difference between the current electric quantity of the battery and the preset electric quantity value is greater than or equal to a preset difference value, determining that the second charging strategy is not to be charged;
if the difference between the current electric quantity of the battery and the preset electric quantity value is smaller than the preset difference, determining the second charging strategy according to the charging information of the pre-charging module, wherein the second charging strategy comprises: in the third charging phase, the external power source charges the pre-charge module with an average output voltage of at least two times the pre-charge module charges the battery.
7. The smart watch battery zero volt automatic charging method of claim 1, further comprising:
In response to detecting that the electric quantity of the battery reaches a preset electric quantity value and detecting that the intelligent watch is not connected to an external power supply, controlling a pre-charging module to charge the battery with the minimum output voltage until the voltage of the pre-charging module is zero volt, and displaying second prompt information; the second prompt message is used for reminding a user to charge the intelligent watch, and the charging time length is required to reach the preset charging time length.
8. The method for zero volt automatic charging of a battery of a smart watch according to claim 7, wherein after controlling the precharge module to charge the battery with a minimum output voltage until the voltage of the precharge module is zero volt and displaying the second hint information, the method for zero volt automatic charging of a battery of a smart watch further comprises:
determining a target charging strategy in response to detecting that the smart watch is connected to an external power supply; the target charging strategy includes: a fifth charging stage and a sixth charging stage, in which the external power source charges the battery and the precharge module until the voltage of the precharge module reaches an initial voltage; in the sixth charging stage, the external power source charges the battery until the electric quantity of the battery reaches a full electric quantity.
9. The smart watch battery zero volt automatic charging method of claim 1, further comprising:
after each use of the precharge module to charge the battery, adding 1 to the number of uses of the precharge module;
in response to detecting that the use times of the pre-charging module reach preset use times, displaying third prompt information, wherein the third prompt information is used for reminding a user of a wrong charging mode;
and responding to the detection of the triggering operation of the third prompt information, generating recommended charging information according to the historical charging record of the intelligent watch, and displaying the recommended charging information.
CN202311845714.8A 2023-12-29 2023-12-29 Zero-volt automatic charging method for battery of intelligent watch Active CN117526524B (en)

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