CN112787374A - Charging system, electronic device and charging control method thereof - Google Patents
Charging system, electronic device and charging control method thereof Download PDFInfo
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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
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00308—Overvoltage protection
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The application discloses a charging system, electronic equipment and a charging control method thereof, and belongs to the technical field of charging. This charging system includes: the charging interface, a plurality of half-voltage charging circuits and the battery module; the input end of the charging interface is connected with a power supply, and the output end of the charging interface is respectively connected with the input ends of the plurality of half-voltage charging circuits; the output ends of the half-voltage charging circuits are connected with the battery module, and the power supply charges the battery module through at least one half-voltage charging circuit in the half-voltage charging circuits. The battery module is charged through the half-voltage charging circuit, so that voltage halving can be realized under the condition that charging power is unchanged, interface voltage is reduced, potential safety hazards such as interface heating abnormity caused by interface high voltage can be solved, and meanwhile, the charging efficiency can be improved by connecting a plurality of half-voltage charging circuits in parallel.
Description
Technical Field
The application belongs to the technical field of charging, and particularly relates to a charging system, electronic equipment and a charging control method of the charging system.
Background
Along with the development of communication technology, the configuration of the intelligent terminal is higher and higher, the functions are more and more, the power consumption is faster and faster, and the requirement of a user on the charging speed is gradually increased.
At present, an intelligent terminal is charged in a quick charging or super quick charging mode, and the quick charging mode becomes the standard configuration of the intelligent terminal and directly influences the experience of a terminal user. However, liquid inlet and dust inlet may exist at the charging interface of the terminal, when the quick charging charger is utilized, the charger outputs high voltage to the charging interface which can only be used at the terminal, the high voltage easily causes the metal pin of the charging interface to be corroded and oxidized, the pin oxidation or dust inlet will cause the contact impedance to be increased, and further the temperature of the charging interface is abnormally increased in the charging process, and even the interface is melted or burned.
Disclosure of Invention
The embodiment of the application provides a charging system, electronic equipment and a charging control method thereof, which can solve the problems of abnormal heating of a charging interface caused by high-voltage charging and potential charging safety hazards caused by the high-voltage charging in the prior art.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, a charging system is provided, including: the charging interface, a plurality of half-voltage charging circuits and the battery module;
the input end of the charging interface is connected with a power supply, and the output end of the charging interface is respectively connected with the input ends of the plurality of half-voltage charging circuits; the output ends of the half-voltage charging circuits are connected with the battery module;
wherein the power supply charges the battery module through at least one half-voltage charging circuit of the plurality of half-voltage charging circuits.
In a second aspect, an electronic device is provided, the electronic device comprising: the charging system according to the first aspect.
In a third aspect, a charging control method for an electronic device is provided, including:
detecting the working states of a plurality of half-voltage charging circuits connected in parallel;
and under the condition that at least one half-voltage charging circuit in the half-voltage charging circuits is in a working state, the power supply charges the battery module through the at least one half-voltage charging circuit.
In a fourth aspect, an electronic device is provided, which comprises a processor, a memory, and a program or instructions stored on the memory and executable on the processor, which when executed by the processor, implements the steps of the method according to the third aspect.
In a fifth aspect, a readable storage medium is provided, wherein the readable storage medium stores thereon a program or instructions which, when executed by a processor, implement the steps of the method according to the third aspect.
In a sixth aspect, embodiments of the present application provide a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the method according to the third aspect.
The embodiment of the application discloses charging system, this charging system is including the interface that charges, a plurality of half-voltage charging circuit and battery module, and the input and the power of the interface that charge are connected, and the output is connected with a plurality of half-voltage charging circuit's input respectively, and a plurality of half-voltage charging circuit's output all is connected with battery module, and the battery module charges through at least one half-voltage charging circuit in a plurality of half-voltage charging circuit. The battery module is charged by the half-voltage charging circuit, so that voltage is halved and interface voltage is reduced under the condition of unchanged charging power, potential safety hazards such as interface heating abnormity and the like caused by high interface voltage can be solved, and meanwhile, the charging efficiency can be improved by connecting a plurality of half-voltage charging circuits in parallel.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a block diagram of a charging system according to an embodiment of the present application;
FIG. 2 is a circuit schematic of a half-voltage charging circuit according to an embodiment of the present application;
fig. 3 is a flowchart of a charging control method for an electronic device according to an embodiment of the present application;
fig. 4 is a hardware structure diagram of an electronic device according to an embodiment of the present application.
Wherein, 10-a charging interface; 20-a plurality of half-voltage charging circuits; 30-a buck-boost charging circuit; 40-battery module.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The charging system, the electronic device and the charging control method thereof provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
Fig. 1 is a block diagram of a charging system according to an embodiment of the present disclosure. As shown in fig. 1, the charging system may include: a charging interface 10, a plurality of half-voltage charging circuits 20 and a battery module 40.
Specifically, the input end of the charging interface 10 is connected with the power supply, and the output end of the charging interface 10 is connected with the input ends of the half-voltage charging circuits 20 respectively; the output terminals of the half-voltage charging circuits 20 are connected to the battery module 40.
Wherein the power source charges the battery module 40 through at least one half-voltage charging circuit of the plurality of half-voltage charging circuits 20.
That is, the battery module 40 can be charged by connecting the plurality of half-voltage charging circuits 20 in parallel, and the plurality of half-voltage charging circuits can disperse heat sources, thereby reducing the overall temperature of the electronic device and improving the charging efficiency.
Wherein a plurality means two or more.
In this application embodiment, charging system includes the interface that charges, a plurality of half-voltage charging circuit and battery module, and the input and the power of the interface that charge are connected, and the output is connected with a plurality of half-voltage charging circuit's input respectively, and a plurality of half-voltage charging circuit's output all is connected with battery module, and the battery module charges through at least one half-voltage charging circuit in a plurality of half-voltage charging circuit. The battery module 40 is charged through the half-voltage charging circuit, so that voltage halving can be realized under the condition that the charging power is unchanged, the interface voltage is reduced, potential safety hazards such as interface heating abnormity caused by interface high voltage can be solved, and meanwhile, the charging efficiency can be improved by connecting a plurality of half-voltage charging circuits 20 in parallel.
In one possible embodiment of the present application, the charging system may further include a direct charging circuit, an input end of the direct charging circuit is connected to an output end of the charging interface, and an output end of the direct charging circuit is connected to the battery module.
Specifically, in the case where the charging current of the battery module 40 is smaller than the current threshold, the power supply charges the battery module 40 through the half-voltage charging circuit; in the case where the charging current of the battery module 40 is greater than or equal to the current threshold, the power supply charges the battery module 40 through the direct charging circuit.
That is, two charging modes, namely a half-voltage charging mode and a direct charging mode, are adopted, and the charging system can be replaced by the charging mode of the battery module 40 according to the magnitude of the charging current of the battery module 40, so that not only can the quick charging be realized, but also the abnormal temperature rise of the charging interface 10 can be avoided.
In one possible embodiment of the present application, the charging system may further include: and the Micro Control Unit (MCU) is respectively connected with each half-voltage charging circuit and each direct charging circuit and is used for outputting a control signal to each half-voltage charging circuit and each direct charging circuit so as to control the connection or disconnection of the half-voltage charging circuit and the direct charging circuit.
According to the embodiment of the application, the MCU is used for outputting the control signals to each half-voltage charging circuit and each direct charging circuit, and controlling the working state of each half-voltage charging circuit and each direct charging circuit. When the fast charging is needed, the plurality of half-voltage charging circuits 20 can be controlled to work simultaneously to charge the battery module 40, when the charging time is long or the temperature of the electronic device or the temperature of the battery is high, a small number of half-voltage charging circuits, such as one half-voltage charging circuit, can be controlled to work to charge the battery module 40 with low power, so that the phenomenon that the voltage of the charging interface 10 is too high or the temperature is too high is avoided, and when the charging current is high, the battery module 40 is charged through the direct charging circuit.
In one possible embodiment of the present application, the half-voltage charging circuit includes a first charging path and a second charging path, and the second charging path includes a second capacitor C2.
Specifically, in a first time period, the power supply charges a second capacitor C2 in the half-voltage charging circuit through the first charging circuit; during the second time period, the second capacitor C2 charges the battery module 40 through the second charging path.
That is, the half-voltage charging circuit has two operation modes, that is, when the half-voltage charging circuit operates, the charging phase and the discharging phase of the second capacitor C2 can be performed alternately, so as to achieve the effect of halving the voltage and multiplying the current, so as to reduce the voltage of the charging interface 10.
Fig. 2 is a schematic circuit diagram of a half-voltage charging circuit according to an embodiment of the present disclosure. The protection switch tube Qb is an NMOS tube, which can prevent reverse leakage of the battery module 40, the protection circuit is safe, the input end voltage is Vin, the input end current is Iin, the output end voltage is Vbat, the output end current is Ibat, and the first capacitor C1 is a filter capacitor. In the whole circuit operation, the second capacitor C2 is controlled to charge and discharge by controlling the state of the switching tube, and the duty ratio of the on-period and the off-period of the switching tube in the switching period is 50%, so that the functions of halving the voltage and multiplying the current, namely Vbat is Vbus/2, and Ibat is 2 Iin, are realized.
In a specific embodiment of the present application, the first charging path may include a protection switch tube Qb, a first switch tube Q1, a first capacitor C1, a third switch tube Q3, and a third capacitor C3.
The input end of the protection switch tube Qb is connected to the power supply, the output end of the protection switch tube Qb is connected to the first end of the first capacitor C1 and the first end of the first switch tube Q1, the second end of the first switch tube Q1 is connected to the first end of the second capacitor C2, the second end of the second capacitor C2 is connected to the first end of the third switch tube Q3, the second end of the third switch tube Q3 is connected to the first end of the third capacitor C3 and the first end of the battery module 40, the second end of the first capacitor C1, the second end of the third capacitor C3 and the second end of the battery module 40 are all grounded, the control end of the protection switch tube, the control end of the first switch tube Q1 and the control end of the third switch tube Q3 are all connected to the micro control unit, and the micro control unit controls the protection switch tube Qb, the first switch tube Q1 and the third switch tube Q3 to be turned on and turned off.
That is, the first switch Q1 and the third switch Q3 are controlled by the mcu to be turned on, so as to charge the second capacitor C2.
Specifically, in the first charging path, during the on period of the switching tube, the protection switching tube Qb, the first switching tube Q1 and the third switching tube Q3 are turned on, and the second switching tube Q2 and the fourth switching tube Q4 are turned off, which is equivalent to Vin, to charge the second capacitor C2.
In the embodiment of the present application, the micro control unit controls the protection switch tube Qb, the first switch tube Q1, and the third switch tube Q3 to be turned on, and controls the second switch tube Q2 and the fourth switch tube Q4 to be turned off, so as to form a first charging path, and charge the second capacitor C2, that is, a charging stage of the half-voltage charging circuit.
In a specific embodiment of the present application, the second charging path may include: a second switching tube Q2, and a fourth switching tube Q4.
The first end of the second switch tube Q2 is connected with the first end of the second capacitor C2, the second end of the second capacitor C2 is connected with the first end of the fourth switch tube Q4, the second end of the fourth switch tube Q4 is grounded, the second end of the second switch tube Q2 is connected with the first end of the third capacitor C3 and the first end of the battery module 40, the second end of the third capacitor C3 and the second end of the battery module 40 are grounded, the control end of the second switch tube Q2 and the control end of the fourth switch tube Q4 are connected with the micro control unit, and the micro control unit controls the on and off of the second switch tube and the third switch tube.
That is, the second switch Q2 and the fourth switch Q4 are controlled by the mcu to be turned on, and the battery module 40 is charged by the second capacitor C2.
Specifically, in the second charging path, during the off period of the switching tube, the second switching tube Q2 and the fourth switching tube Q4 are turned on, the first switching tube Q1 and the third switching tube Q3 are turned off, and the second capacitor C2 and the third capacitor C3 are connected in parallel to charge the battery module 40.
In the embodiment of the present application, the second switch Q2 and the fourth switch Q4 are turned on, and the micro control unit is controlled to control the protection switch Qb, the first switch Q1 and the third switch Q3 to turn off, so as to form a second charging path, and the second capacitor C2 discharges, which is a discharging stage of the half-voltage charging circuit.
In some embodiments, the super fast charge, for example, the 100W power supply charges the battery module 40 at 20V/5A, and the half-voltage charging circuit of the embodiment of the present application can convert the super fast charge into a high current at a low voltage of 10V/10A, thereby realizing a safe fast charge with high conversion rate and low heat generation.
In one possible embodiment of the present application, the direct charging circuit may include: the protection switch tube Qb, the first switch tube Q1, the first capacitor C1, the second switch tube Q2 and the third capacitor C3.
The input end of the protection switch tube Qb is connected with the power supply, the output end of the protection switch tube Qb is connected with the first end of the first capacitor C1 and the first end of the first switch tube Q1, the second end of the first switch tube Q1 is connected with the first end of the second switch tube Q2, the second end of the second switch tube Q2 is connected with the first end of the third capacitor C3 and the first end of the battery module 40, the second end of the first capacitor C1, the second end of the third capacitor C3 and the second end of the battery module 40 are all grounded, the control end of the protection switch tube, the control end of the first switch tube Q1 and the control end of the second switch tube Q2 are all connected with the micro control unit, and the micro control unit controls the on and off of the protection switch tube, the first switch tube and the second switch tube.
That is, the first switch Q1 and the second switch Q2 are controlled to be turned on by the mcu, and the battery module 40 is directly charged by the power source.
Specifically, during the direct charging process, the protection switch tube Qb, the first switch tube Q1 and the second switch tube Q2 are turned on, and the third switch tube Q3 and the fourth switch tube Q4 are turned off. The power supply charges the battery module 40, and Vbus and Iin are Vbat.
In one possible embodiment of the present application, the charging system may further include: the input end of the buck-boost charging circuit 30 is connected with the charging interface 10, and the output end of the buck-boost charging circuit 30 is connected with the battery module 40 and used for adjusting the charging voltage of the battery module 40.
In the embodiment of the present application, the buck-boost charging circuit 30 is added between the charging interface 10 and the battery module 40, so that the charging safety and the adaptability can be improved.
The embodiment of the application also provides electronic equipment comprising the charging system. Specifically, the above system embodiments have been described in detail, and the description of the embodiments is omitted.
The embodiment of the application also provides a charging control method of the electronic equipment. As shown in fig. 3, the charging control method of the electronic device may include: contents shown in step S301 to step S302.
In step S301, the operating states of a plurality of half-voltage charging circuits connected in parallel are detected.
In step S302, the power source charges the battery module through at least one half-voltage charging circuit when at least one half-voltage charging circuit among the plurality of half-voltage charging circuits is in an operating state.
In the embodiment of the application, the working states of the plurality of half-voltage charging circuits are firstly detected, and then the power supply charges the battery module through at least one half-voltage charging circuit under the condition that at least one half-voltage charging circuit in the plurality of half-voltage charging circuits is in the working state. The battery module is charged through the half-voltage charging circuit, so that voltage halving can be realized under the condition that charging power is unchanged, interface voltage is reduced, potential safety hazards such as interface heating abnormity caused by interface high voltage can be solved, and meanwhile, the charging efficiency can be improved by connecting a plurality of half-voltage charging circuits in parallel.
In one possible embodiment of the present application, the power supply charges the battery module through at least one half-voltage charging circuit, and may include the following steps.
Detecting the battery voltage and the battery temperature of the battery module under the condition that the power supply charges the battery module through the half-voltage charging circuit;
detecting a charging current of the battery module when the battery voltage is greater than a voltage threshold or the battery temperature is greater than a temperature threshold;
under the condition that the charging current of the battery module is smaller than the current threshold, the power supply charges the battery module through the half-voltage charging circuit; and under the condition that the charging current of the battery module is greater than or equal to the current threshold, switching the half-voltage charging circuit to the direct charging circuit, and charging the battery module by the power supply through the direct charging circuit.
That is, two charging modes, namely a half-voltage charging mode and a direct charging mode, are adopted, and the charging system can select different modes to charge the battery module according to the state of the battery.
Specifically, taking a high-Voltage cell battery as an example, the Voltage Vbat of a single cell battery entering a Constant Current (CC) region is 3.0V, and the Voltage Vbat of a Constant Voltage region (CV) is 4.45V. When a half-voltage charging circuit is used for charging the series-connected double-cell battery, as Vbus is approximately equal to 2 x Vbat, voltages of charging interfaces of corresponding cells from CC to CV are respectively 12V and 18V; when the direct charging circuit is used for charging the double-cell battery, the voltage of the charging interface for converting the corresponding cell from CC to CV is respectively 6V and 9V because Vbus is approximately equal to 2 and Vbat. The MCU or the electronic device controller can be used for wirelessly accessing an Access Point (AP) to realize the control and regulation of the charging voltage or current and the charging of the battery module. When the electronic equipment is charged by using the half-voltage charging circuit, parameters such as the voltage of the battery module, the temperature of the electronic equipment and the like are monitored in real time, the voltage of the battery rises and the temperature of the electronic equipment rises in the charging process, when the voltage of the battery is detected to be greater than a voltage threshold value or the temperature exceeds a temperature threshold value, the charging current is reduced, when the charging current is smaller than a current threshold value, the half-voltage charging circuit is switched to a direct charging circuit, namely, the interface voltage is reduced, and the working reliability of an interface in the charging process is improved.
Optionally, an electronic device is further provided in this embodiment of the present application, and includes a processor 110, a memory 109, and a program or an instruction stored in the memory 109 and capable of being executed on the processor 110, where the program or the instruction is executed by the processor 110 to implement each process of the charging control method embodiment of the electronic device, and can achieve the same technical effect, and details are not repeated here to avoid repetition.
It should be noted that the electronic devices in the embodiments of the present application include the mobile electronic devices and the non-mobile electronic devices described above.
Figure 4 is a schematic diagram of a hardware structure of an electronic device implementing various embodiments of the present application,
the electronic device 100 includes, but is not limited to: radio frequency unit 101, network module 102, audio output unit 103, input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and the like.
Those skilled in the art will appreciate that the electronic device 100 may further comprise a power source (e.g., a battery) for supplying power to various components, and the power source may be logically connected to the processor 110 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system. The electronic device structure shown in fig. 4 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than those shown, or combine some components, or arrange different components, and thus, the description is omitted here.
The processor 110 is configured to detect an operating state of a plurality of half-voltage charging circuits connected in parallel; and under the condition that at least one half-voltage charging circuit in the plurality of half-voltage charging circuits is in a working state, the power supply charges the battery module through the at least one half-voltage charging circuit.
In the embodiment of the application, the working states of the plurality of half-voltage charging circuits are firstly detected, and then the power supply charges the battery module through at least one half-voltage charging circuit under the condition that at least one half-voltage charging circuit in the plurality of half-voltage charging circuits is in the working state. The battery module is charged through the half-voltage charging circuit, so that voltage halving can be realized under the condition that charging power is unchanged, interface voltage is reduced, potential safety hazards such as interface heating abnormity caused by interface high voltage can be solved, and meanwhile, the charging efficiency can be improved by connecting a plurality of half-voltage charging circuits in parallel.
The processor 110 is further configured to detect a battery voltage and a battery temperature of the battery module when the power supply charges the battery module through the half-voltage charging circuit; detecting a charging current of the battery module when the battery voltage is greater than a voltage threshold or the battery temperature is greater than a temperature threshold;
under the condition that the charging current of the battery module is smaller than the current threshold, the power supply charges the battery module through the half-voltage charging circuit; and under the condition that the charging current of the battery module is greater than or equal to the current threshold, switching the half-voltage charging circuit to the direct charging circuit, and charging the battery module by the power supply through the direct charging circuit.
It should be understood that, in the embodiment of the present application, the input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, and the Graphics Processing Unit 1041 processes image data of a still picture or a video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 107 includes a touch panel 1071 and other input devices 1072. The touch panel 1071 is also referred to as a touch screen. The touch panel 1071 may include two parts of a touch detection device and a touch controller. Other input devices 1072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein. The memory 109 may be used to store software programs as well as various data including, but not limited to, application programs and an operating system. The processor 110 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the embodiment of the charging control method for an electronic device, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement each process of the embodiment of the charging control method for an electronic device, and can achieve the same technical effect, and in order to avoid repetition, the details are not repeated here.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (12)
1. An electrical charging system, comprising: the charging interface, a plurality of half-voltage charging circuits and the battery module;
the input end of the charging interface is connected with a power supply, and the output end of the charging interface is respectively connected with the input ends of the plurality of half-voltage charging circuits; the output ends of the half-voltage charging circuits are connected with the battery module;
wherein the power supply charges the battery module through at least one half-voltage charging circuit of the plurality of half-voltage charging circuits.
2. The charging system according to claim 1, further comprising a direct charging circuit, wherein an input end of the direct charging circuit is connected with an output end of the charging interface, and an output end of the direct charging circuit is connected with the battery module;
under the condition that the charging current of the battery module is smaller than a current threshold value, a power supply charges the battery module through the half-voltage charging circuit; and under the condition that the charging current of the battery module is greater than or equal to the current threshold value, the power supply charges the battery module through the direct charging circuit.
3. The charging system of claim 2, further comprising: and the micro control unit is respectively connected with each half-voltage charging circuit and the direct charging circuit, and is used for outputting a control signal to each half-voltage charging circuit and the direct charging circuit so as to control the connection or disconnection of the half-voltage charging circuit and the direct charging circuit.
4. The charging system of claim 3, wherein the half-voltage charging circuit comprises a first charging path and a second charging path; the second charging path comprises a second capacitor;
in a first time period, the power supply charges a second capacitor in the half-voltage charging circuit through the first charging path; and in a second time period, the second capacitor charges the battery module through the second charging path.
5. The charging system of claim 4, wherein the first charging path comprises: protection switch tube, first electric capacity, third switch tube and third electric capacity, protection switch tube's input is connected with the power, protection switch tube's output is connected with the first end of first electric capacity and the first end of first switch tube respectively, the second end of first switch tube with the first end of second electric capacity is connected, the second end of second electric capacity with the first end of third switch tube is connected, the second end of third switch tube respectively with the first end of third electric capacity with the first end of battery module is connected, the second end of first electric capacity, the second end of third electric capacity and the second end of battery module all ground connection, protection switch tube's control end, the control end of first switch tube and the control end of third switch tube all with little the control unit is connected, little the control unit control protection switch tube, And the first switching tube and the third switching tube are switched on and off.
6. The charging system of claim 5, wherein the second charging path further comprises: second switch tube and fourth switch tube, the first end of second switch tube with the first end of second electric capacity is connected, the second end of second electric capacity with the first end of fourth switch tube is connected, the second end ground connection of fourth switch tube, the second end of second switch tube respectively with the first end of third electric capacity with battery module's first end is connected, the second end of third electric capacity with battery module's second end is all ground connection, the control end of second switch tube with the control end of fourth switch tube all with little the control unit connects, little the control unit control the second switch tube with switching on and off of third switch tube.
7. The charging system of claim 3, wherein the direct charging circuit comprises: the protection switch tube, the first capacitor, the second switch tube and the third capacitor, the input end of the protection switch tube is connected with the power supply, the output end of the protection switch tube is respectively connected with the first end of the first capacitor and the first end of the first switch tube, the second end of the first switch tube is connected with the first end of the second switch tube, the second end of the second switch tube is respectively connected with the first end of the third capacitor and the first end of the battery module, the second end of the first capacitor, the second end of the third capacitor and the second end of the battery module are all grounded, the control end of the protection switch tube, the control end of the first switch tube and the control end of the second switch tube are all connected with the micro control unit, the micro control unit controls the on and off of the protection switch tube, the first switch tube and the second switch tube.
8. The charging system of claim 1, further comprising: and the input end of the buck-boost charging circuit is connected with the charging interface, and the output end of the buck-boost charging circuit is connected with the battery module and used for adjusting the charging voltage of the battery module.
9. An electronic device, comprising: the charging system of any one of claims 1-8.
10. A charging control method for an electronic device, comprising:
detecting the working states of a plurality of half-voltage charging circuits connected in parallel;
and under the condition that at least one half-voltage charging circuit in the half-voltage charging circuits is in a working state, the power supply charges the battery module through the at least one half-voltage charging circuit.
11. The method of claim 10, wherein the power source charges the battery module through the at least one half-voltage charging circuit, comprising:
under the condition that a power supply charges a battery module through the half-voltage charging circuit, detecting the battery voltage and the battery temperature of the battery module;
detecting a charging current of the battery module if the battery voltage is greater than a voltage threshold or the battery temperature is greater than a temperature threshold;
under the condition that the charging current of the battery module is smaller than a current threshold value, the power supply charges the battery module through the half-voltage charging circuit; and under the condition that the charging current of the battery module is greater than or equal to the current threshold, switching the half-voltage charging circuit to a direct charging circuit, and charging the battery module by the power supply through the direct charging circuit.
12. An electronic device, comprising: a processor, a memory, and a program or instructions stored on the memory and executable on the processor, which when executed by the processor, implement the steps of the method of claim 10 or 11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011625500.6A CN112787374B (en) | 2020-12-30 | 2020-12-30 | Charging system, electronic device and charging control method thereof |
| PCT/CN2021/142319 WO2022143726A1 (en) | 2020-12-30 | 2021-12-29 | Charging system, electronic device and charging control method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011625500.6A CN112787374B (en) | 2020-12-30 | 2020-12-30 | Charging system, electronic device and charging control method thereof |
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| CN112787374B CN112787374B (en) | 2023-12-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113555930A (en) * | 2021-07-16 | 2021-10-26 | 维沃移动通信有限公司 | Charging circuit and electronic device |
| CN114094594A (en) * | 2021-11-24 | 2022-02-25 | 国网河北省电力有限公司经济技术研究院 | Transformer substation direct current load grading control method and device and terminal equipment |
| CN114448032A (en) * | 2021-12-31 | 2022-05-06 | 深圳市爱图仕影像器材有限公司 | Circuit and method for controlling charging and discharging of battery and electronic product |
| WO2022143726A1 (en) * | 2020-12-30 | 2022-07-07 | 维沃移动通信有限公司 | Charging system, electronic device and charging control method therefor |
| CN115001062A (en) * | 2021-09-10 | 2022-09-02 | 荣耀终端有限公司 | Charging management circuit and electronic device |
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| CN116846039B (en) * | 2023-08-30 | 2024-02-20 | 浙江大华技术股份有限公司 | Charging and discharging device, method, apparatus and storage medium |
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Also Published As
| Publication number | Publication date |
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| CN112787374B (en) | 2023-12-22 |
| WO2022143726A1 (en) | 2022-07-07 |
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