CN114977344A - Battery circuit, control method thereof, battery module and electronic equipment - Google Patents

Battery circuit, control method thereof, battery module and electronic equipment Download PDF

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Publication number
CN114977344A
CN114977344A CN202110205390.6A CN202110205390A CN114977344A CN 114977344 A CN114977344 A CN 114977344A CN 202110205390 A CN202110205390 A CN 202110205390A CN 114977344 A CN114977344 A CN 114977344A
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CN
China
Prior art keywords
switch assembly
throw switch
controller
electrically connected
battery
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Pending
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CN202110205390.6A
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Chinese (zh)
Inventor
孙长宇
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Priority to CN202110205390.6A priority Critical patent/CN114977344A/en
Publication of CN114977344A publication Critical patent/CN114977344A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048Detection of remaining charge capacity or state of charge [SOC]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • H01M10/446Initial charging measures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007Regulation of charging or discharging current or voltage
    • H02J7/00712Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The disclosure provides a battery circuit, a control method thereof, a battery module and electronic equipment, wherein the battery circuit comprises a battery cell; the at least two controllers are respectively used for controlling the battery cell to charge in different modes; and the input end of the electric meter is electrically connected with the controllers, and the output end of the electric meter is electrically connected with the battery core and is used for acquiring the charging parameters of the battery core and controlling the switching between the at least two controllers according to the charging parameters. In this disclosure, because the controller is connected with electric core electricity through the fuel gauge to different controllers can control electric core and carry out the charging of different modes, consequently the fuel gauge can in time switch over between two at least controllers according to the charging parameter of the electric core that directly gathers, and the degree of accuracy is high, thereby can both charge electric core fast at different charging stages, has shortened the charge time.

Description

Battery circuit, control method thereof, battery module and electronic equipment
Technical Field
The present disclosure generally relates to the field of electronic technologies, and in particular, to a battery circuit, a control method thereof, a battery module, and an electronic device.
Background
In modern society, electronic devices such as mobile phones and tablet computers have become popular among thousands of households. People can obtain information, watch videos, play games and the like through the electronic equipment all the time, daily life is enriched, and meanwhile time consumption of charging is increased.
At present, the related art charges the battery of the electronic device through a fast charger, however, the charging time is prolonged because the fast charging is not performed for every charging stage.
Disclosure of Invention
In view of the above-mentioned drawbacks or deficiencies in the related art, it is desirable to provide a battery circuit, a control method thereof, a battery module, and an electronic device, which can be charged quickly at each charging stage of the battery module, thereby shortening the charging time.
In a first aspect, the present disclosure provides a battery circuit comprising:
an electric core;
the at least two controllers are respectively used for controlling the battery cell to charge in different modes;
and the input end of the electric meter is electrically connected with the controllers, and the output end of the electric meter is electrically connected with the battery core and is used for acquiring the charging parameters of the battery core and controlling the switching between the at least two controllers according to the charging parameters.
Optionally, in some embodiments of the present disclosure, the at least two controllers comprise a first controller and a second controller;
the first controller is electrically connected with the battery cell through a first single-pole single-throw switch assembly of the electricity meter, and the second controller is electrically connected with the battery cell through a second single-pole single-throw switch assembly of the electricity meter;
or the first controller and the second controller are electrically connected with the battery cell through a single-pole double-throw switch assembly of the electricity meter.
Optionally, in some embodiments of the present disclosure, the first single pole single throw switch assembly comprises a first single pole single throw switch and a first protection resistor, the second single pole single throw switch assembly comprises a second single pole single throw switch and a second protection resistor, and the single pole double throw switch assembly comprises a single pole double throw switch and a third protection resistor.
Optionally, in some embodiments of the present disclosure, the first controller is a charge pump, and the second controller is a power management chip.
Optionally, in some embodiments of the present disclosure, a first sense + pin and a first sense-pin of the charge pump are respectively electrically connected to an input end of a corresponding first single-pole single-throw switch assembly, the first sense + pin is electrically connected to a positive electrode tab of the battery cell corresponding to an output end of the first single-pole single-throw switch assembly, the first sense-pin is electrically connected to a negative electrode tab of the battery cell corresponding to an output end of the first single-pole single-throw switch assembly,
a second sense + pin and a second sense-pin of the power management chip are respectively and electrically connected with the input end of the corresponding second single-pole single-throw switch assembly, the second sense + pin is electrically connected with the positive pole lug of the battery cell corresponding to the output end of the second single-pole single-throw switch assembly, and the second sense-pin is electrically connected with the negative pole lug of the battery cell corresponding to the output end of the second single-pole single-throw switch assembly;
or the single-pole double-throw switch assembly comprises a first single-pole double-throw switch assembly and a second single-pole double-throw switch assembly, the first sense + pin and the second sense + pin are respectively and electrically connected with the first input end and the second input end of the first single-pole double-throw switch assembly, the output end of the first single-pole double-throw switch assembly is electrically connected with the positive pole lug of the battery cell,
the first sense-pin and the second sense-pin are respectively and electrically connected with a first input end and a second input end of the second single-pole double-throw switch assembly, and an output end of the second single-pole double-throw switch assembly is electrically connected with a negative pole tab of the battery cell.
In a second aspect, the present disclosure provides a control method of a battery circuit, which is applied to the battery circuit of any one of the first aspect, the method including:
collecting charging parameters of the battery core;
and controlling the switching between the at least two controllers according to the charging parameters so as to charge the battery cell in different modes.
Optionally, in some embodiments of the present disclosure, the method further comprises:
detecting current of a loop corresponding to a switch component electrically connected with a current controller switched to in the at least two controllers, wherein when the current controller is the first controller, the switch component is a first single-pole single-throw switch component, a protection resistor in the switch component is a first protection resistor, when the current controller is the second controller, the switch component is a second single-pole single-throw switch component, and a protection resistor in the switch component is a second protection resistor; or when the current controller is the first controller or the second controller, the switch assembly is a single-pole double-throw switch assembly, and a protection resistor in the switch assembly is a third protection resistor;
and when the current is larger than or equal to the threshold current, controlling a protection resistor in the switch component to be connected to the loop in series.
Optionally, in some embodiments of the present disclosure, the method further comprises:
detecting a first voltage of the protection resistor;
and when the first voltage is smaller than a first threshold voltage, the electric connection between the protection resistor and the loop is disconnected.
Optionally, in some embodiments of the present disclosure, the method further comprises:
detecting a second voltage of the battery cell;
when the second voltage is smaller than a second threshold voltage, disconnecting a switch component electrically connected with the current controller;
when the second voltage is greater than or equal to the second threshold voltage and the current controller is in a charging mode, turning on the switching component.
In a third aspect, the present disclosure provides a battery module including the battery circuit of any one of the first aspects.
In a fourth aspect, the present disclosure provides an electronic device including the battery module of the third aspect.
According to the technical scheme, the embodiment of the disclosure has the following advantages:
the embodiment of the disclosure provides a battery circuit and a control method thereof, a battery module and electronic equipment, wherein a controller is electrically connected with a battery cell through an electricity meter, and different controllers can control the battery cell to charge in different modes, so that the electricity meter can control at least two controllers to switch in time according to directly acquired charging parameters of the battery cell, the accuracy is high, the battery cell can be rapidly charged in different charging stages, and the charging time is shortened.
Drawings
Other features, objects and advantages of the disclosure will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram of a basic structure of a battery circuit according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of another battery circuit provided in the embodiment of the present disclosure;
fig. 3 is a schematic diagram of a structure of another battery circuit provided in an embodiment of the disclosure;
fig. 4 is a schematic flowchart of a control method of a battery circuit according to an embodiment of the disclosure;
fig. 5 is a schematic structural diagram of a control device of a battery circuit according to an embodiment of the present disclosure;
fig. 6 is a block diagram of an electronic device according to an embodiment of the present disclosure.
Reference numerals are as follows:
100-battery circuit, 101-electric core, 102-controller, 1021-first controller, 1022-second controller, 103-electricity meter, 1031-first single-pole single-throw switch component, 1032-second single-pole single-throw switch component, 1033-single-pole double-throw switch component;
200-control device of battery circuit, 201-acquisition module, 202-control module; 300-electronic device, 3001-processor, 3002-memory, 3003-peripheral interface, 3004-radio frequency circuit, 3005-display screen, 3006-battery module.
Detailed Description
In order to make the technical solutions of the present disclosure better understood by those skilled in the art, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, not all of the embodiments. All other embodiments, which can be derived by one of ordinary skill in the art from the embodiments disclosed herein without making any creative effort, shall fall within the scope of protection of the present disclosure.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present disclosure and in the drawings described above, if any, 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 disclosure described are capable of operation in sequences other than those illustrated or otherwise described herein.
Moreover, the terms "comprises," "comprising," and any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or modules is not necessarily limited to those steps or modules explicitly listed, but may include other steps or modules not expressly listed or inherent to such process, method, article, or apparatus.
For convenience of understanding and explanation, the battery circuit, the control method thereof, the battery module and the electronic device provided by the embodiment of the present disclosure are explained in detail through fig. 1 to 6.
Please refer to fig. 1, which is a schematic diagram of a basic structure of a battery circuit according to an embodiment of the present disclosure. The battery circuit 100 includes a battery core 101, at least two controllers 102, and an electricity meter 103, where an input end of the electricity meter 103 is electrically connected to the controller 102, an output end of the electricity meter 103 is electrically connected to the battery core 101, the at least two controllers 102 are respectively configured to control the battery core 101 to perform charging in different modes, and the electricity meter 103 is configured to acquire charging parameters of the battery core 101 and control switching between the at least two controllers 102 according to the charging parameters. It should be noted that the charging parameters may include, but are not limited to, a charging voltage and a charging current, and the charging mode may include, but is not limited to, a high power charging mode and a low power charging mode.
Optionally, at least two controllers 102 in some embodiments of the present disclosure may include a first controller 1021 and a second controller 1022. Illustratively, the first controller 1021 corresponds to a high Power charging mode, such as the first controller 1021 is a charge pump, and the second controller 1022 corresponds to a low Power charging mode, such as the second controller 1022 is a Power Management IC (PMIC).
Further, as shown in fig. 2, in some embodiments of the present disclosure, the first controller 1021 is electrically connected to the battery cell 101 through a first single-pole single-throw switch assembly 1031 of the electricity meter 103, for example, a first sense + pin of the charge pump is electrically connected to an input terminal of the corresponding first single-pole single-throw switch assembly 1031, and an output terminal of the first single-pole single-throw switch assembly 1031 is electrically connected to a positive electrode tab B + of the battery cell 101; a first sense-pin of the charge pump is electrically connected to an input terminal of a corresponding first single-pole single-throw switch component 1031, and an output terminal of the first single-pole single-throw switch component 1031 is electrically connected to a negative electrode tab B-of the battery cell 101. The second controller 1022 is electrically connected to the electric core 101 through a second single-pole single-throw switch component 1032 of the electricity meter 103, for example, a second sense + pin of the power management chip is electrically connected to an input end of the corresponding second single-pole single-throw switch component 1032, and an output end of the second single-pole single-throw switch component 1032 is electrically connected to an anode tab B + of the electric core 101; a second sense-pin of the power management chip is electrically connected to an input end of a corresponding second single-pole single-throw switch assembly 1032, and an output end of the second single-pole single-throw switch assembly 1032 is electrically connected to a negative electrode tab B-of the battery cell 101. The advantage of such an arrangement is that the first controller 1021 and the second controller 1022 can be separately arranged, so that flexible wiring can be achieved, and diversified application scenarios can be satisfied. Alternatively, as shown in fig. 3, in some embodiments of the present disclosure, the first controller 1021 and the second controller 1022 are electrically connected to the electric core 101 through a single-pole double-throw switch assembly 1033 of the electricity meter 103, for example, the single-pole double-throw switch assembly 1033 includes a first single-pole double-throw switch assembly and a second single-pole double-throw switch assembly, a first sense + pin of the charge pump and a second sense + pin of the power management chip are electrically connected to a first input end and a second input end of the first single-pole double-throw switch assembly, respectively, and an output end of the first single-pole double-throw switch assembly is electrically connected to a positive electrode tab B + of the electric core 101; a first sense-pin of the charge pump and a second sense-pin of the power management chip are electrically connected to a first input terminal and a second input terminal of the second single-pole double-throw switch assembly, respectively, and an output terminal of the second single-pole double-throw switch assembly is electrically connected to a negative electrode tab B-of the battery cell 101. This has an advantage that the first controller 1021 and the second controller 1022 can be integrated, thereby saving space and reducing the size of the device.
Optionally, in some embodiments of the present disclosure, the first single-pole single-throw switch component 1031 of the fuel gauge 103 may include a first single-pole single-throw switch and a first protection resistor, the second single-pole single-throw switch component 1032 may include a second single-pole single-throw switch and a second protection resistor, and the single-pole double-throw switch component 1033 may include a single-pole double-throw switch and a third protection resistor. It should be noted that the switches in each switch assembly have functions of static electricity prevention and Electrical Overstress (EOS) prevention, so that damage caused by static electricity can be avoided during assembly and operation. After the switch is turned on, the sense + pin and the sense-pin of the first controller 1021 and the second controller 1022 may be connected to the positive electrode tab B + and the negative electrode tab B of the battery cell 101, respectively, if the battery circuit 100 is in an abnormal condition such as a short circuit, this may cause the battery cell 101 to continuously discharge a large current. Thus, the disclosed embodiments connect protection resistors R on the respective switch paths short Equivalent to making the discharge path open with a large impedance, e.g. the protection resistor R short Is above 20k omega, so that the corresponding loop current can be reduced.
Alternatively, in some embodiments of the present disclosure, the electricity meter 103 may record and store charging information, such as cycle number information, temperature information of high and low temperatures, and voltage information of overcharge and overdischarge, thereby being capable of facilitating troubleshooting. In addition, the electricity meter 103 can also pass through I 2 The bus C performs communication, and the electricity meter 103 is equivalent to an encryption chip, so that charging safety is guaranteed.
The embodiment of the disclosure provides a battery circuit, because the controller in the battery circuit passes through the coulomb and is connected with electric core electricity to different controllers can control electric core and carry out the charging of different modes, consequently the coulomb meter can be according to the charging parameter of the electric core of directly gathering, in time switch between two at least controllers, and the degree of accuracy is high, thereby can both charge to electric core fast at different charging stages, has shortened the charge time.
Based on the foregoing embodiments, embodiments of the present disclosure provide a method for controlling a battery circuit, which may be applied to the battery circuit 100 provided in the embodiments corresponding to fig. 1 to 3. Please refer to fig. 4, which is a flowchart illustrating a method for controlling a battery circuit according to an embodiment of the present disclosure, including:
and S101, collecting the charging parameters of the battery cell.
And S102, controlling the switching between the at least two controllers according to the charging parameters so as to charge the battery cell in different modes.
It should be noted that, in the embodiments of the present disclosure, the charging parameters may include, but are not limited to, a charging voltage and a charging current, and the charging mode may include, but is not limited to, a high-power charging mode and a low-power charging mode. Further, the charging parameters of the battery cell are directly acquired, so that the obtained charging basis is more accurate, the reliability is high, the quick charging can be performed at different charging stages of the battery cell 101, and the charging time is shortened.
Optionally, in the process of charging the battery cell 101, some embodiments of the present disclosure may further detect a current of a loop corresponding to a switch assembly electrically connected to a current controller switched to in the at least two controllers 102, and when the current is greater than or equal to a threshold current, control a protection resistor in the switch assembly to be connected in series with the loop. When the current controller is the first controller 1021, the switch element is the first single-pole single-throw switch element 1031, and the protection resistor in the switch element is the first protection resistor, and when the current controller is the second controller 1022, the switch element is the second single-pole single-throw switch element 1032, and the protection resistor in the switch element is the second protection resistor; alternatively, when the front controller is the first controller 1021 or the second controller 1022, the front controller is the second controller 1022The switch component is a single-pole double-throw switch component 1033, and the protection resistor in the switch component is a third protection resistor. For example, in fig. 2, the first controller 1021 is exemplified to electrically connect the battery cell 101 through the first single-pole single-throw switch assembly 1031 of the electricity meter 103, and when detecting the resulting current I c Greater than a threshold current I th In the process, the first protection resistor of the first single-pole single-throw switch component 1031 is controlled to be connected in series to the loop, for example, the resistance value of the first protection resistor is more than 20k Ω, so that the loop current can be reduced, and the charging safety is ensured, that is, each switch component in the embodiment of the present disclosure has the functions of current overcurrent protection and short circuit protection.
Optionally, in some embodiments of the present disclosure, the protection resistor R may also be detected short First voltage V of m When the first voltage V is applied m When the voltage is less than the first threshold voltage, the protective resistor R is disconnected short And electrical connections to the circuit. For example, the first threshold voltage is 1/2V Bat In which V is Bat V represents the voltage across the battery cell 101 when the battery circuit 100 is in an abnormal condition such as a short circuit m =V Bat And if V m <1/2V Bat If the short circuit abnormality is detected, the protection resistor R can be removed short And the switch connection is restored, that is, the switch assembly in the embodiment of the present disclosure has a restoring function of the abnormal release.
Optionally, in some embodiments of the present disclosure, the second voltage V of the battery cell 101 may also be detected c When the second voltage V is applied c Less than a second threshold voltage V th When the second voltage V is lower than the first voltage V, the switch assembly electrically connected with the current controller is disconnected c Greater than or equal to a second threshold voltage V th And when the front controller is in the charging mode, the switch assembly is turned on. When the voltage of the battery cell 101 is consumed to be very low, the current controller is continuously connected with the battery cell through the switch assembly, which may cause a leakage of several milliamperes, and if the battery cell 101 is not charged for a long time, the battery cell is finally prohibited from being charged due to continuous power consumption to 0 volt. Therefore, in the embodiment of the present disclosure, when the second voltage V across the battery cell 101 is detected c A second threshold voltage V of less than 2.5V th When the second voltage V is higher than the first voltage V, the switch assembly is turned off to perform over-discharge protection c A second threshold voltage V greater than or equal to 2.5V th And when the front controller is in the charging mode, the switch component is recovered to be switched on.
It should be noted that, for the descriptions of the same steps and the same contents in this embodiment as those in other embodiments, reference may be made to the descriptions in other embodiments, which are not described herein again.
The embodiment of the disclosure provides a control method of a battery circuit, because controllers in the battery circuit are electrically connected with a battery core through an electricity meter, and different controllers can control the battery core to charge in different modes, the electricity meter can control at least two controllers to switch in time according to directly acquired charging parameters of the battery core, the accuracy is high, and therefore the battery core can be rapidly charged in different charging stages, and the charging time is shortened.
Based on the foregoing embodiments, please refer to fig. 5, which is a schematic structural diagram of a control apparatus of a battery circuit according to an embodiment of the present disclosure, and the apparatus can be applied to the battery circuit 100 provided in the embodiments corresponding to fig. 1 to 3. As shown in fig. 5, the control device 200 of the battery circuit includes:
the acquisition module 201 is configured to acquire charging parameters of the battery cell;
the control module 202 is configured to control switching between the at least two controllers according to the charging parameters, so as to perform charging in different modes on the battery cell.
Optionally, in some embodiments of the present disclosure, the acquisition module 201 is further configured to detect a current of a loop corresponding to a switch component electrically connected to a current controller of the at least two controllers, where when the current controller is a first controller, the switch component is a first single-pole single-throw switch component, a protection resistor in the switch component is a first protection resistor, and when the current controller is a second controller, the switch component is a second single-pole single-throw switch component, and a protection resistor in the switch component is a second protection resistor; or when the current controller is the first controller or the second controller, the switch assembly is a single-pole double-throw switch assembly, and the protection resistor in the switch assembly is a third protection resistor;
the control module 202 is further configured to control a protection resistor in the switching component to be connected in series to the loop when the current is greater than or equal to the threshold current.
Optionally, in some embodiments of the present disclosure, the acquisition module 201 is further configured to detect a first voltage of the protection resistor;
the control module 202 is further configured to disconnect the electrical connection between the protection resistor and the loop when the first voltage is less than a first threshold voltage.
Optionally, in some embodiments of the present disclosure, the acquisition module 201 is further configured to detect a second voltage of the battery cell;
the control module 202 is further configured to open the switch assembly electrically connected to the present controller when the second voltage is less than the second threshold voltage;
and when the second voltage is greater than or equal to the second threshold voltage and the current controller is in the charging mode, the switch assembly is switched on.
It should be noted that, for the descriptions of the same steps and the same contents in this embodiment as those in other embodiments, reference may be made to the descriptions in other embodiments, which are not described herein again.
The embodiment of the disclosure provides a control device of a battery circuit, because the controller in the battery circuit is connected with electric core electricity through the coulomb meter to different controllers can control electric core to carry out charging of different modes, therefore the coulomb meter can control to switch in time between at least two controllers according to the charging parameter of the electric core that directly gathers, and the degree of accuracy is high, thereby can both charge electric core fast at different charging stages, has shortened charge time.
Based on the foregoing embodiments, please refer to fig. 6, which is a block diagram of an electronic device according to an embodiment of the disclosure. The electronic device 300 includes a processor 3001 and a memory 3002, wherein the processor 3001 may include one or more processing cores, such as a 4-core processor, an 8-core processor, or the like. The processor 3001 may be implemented in at least one hardware form of Digital Signal Processing (DSP), Field Programmable Gate Array (FPGA), and Programmable Logic Array (PLA).
The processor 3001 may also include a main processor and a coprocessor, the main processor being a processor for Processing data in an awake state, also referred to as a Central Processing Unit (CPU); a coprocessor is a low power processor for processing data in a standby state.
In addition, the processor 3001 may be integrated with a Graphics Processing Unit (GPU) for rendering and drawing the content to be displayed on the display screen. In some embodiments, the processor 3001 may further include an Artificial Intelligence (AI) processor for processing computational operations related to machine learning.
Memory 3002 may include one or more computer-readable storage media, which may be non-transitory. Memory 3002 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in the memory 3002 is used to store at least one program for execution by the processor 3001 to implement the control method of the battery circuit provided in the disclosed method embodiments.
In some embodiments, electronic device 300 may also include a peripheral interface 3003 and at least one peripheral. The processor 3001, memory 3002, and peripheral interface 3003 may be connected by bus or signal lines. Each peripheral device may be connected to peripheral interface 3003 by a bus, signal line, or circuit board.
Specifically, the peripheral devices include, but are not limited to, a radio frequency circuit 3004, a display screen 3005, and a battery module 3006, wherein the battery module 3006 includes a battery circuit 100. The peripheral interface 3003 may be used to connect at least one Input/Output (I/O) related peripheral to the processor 3001 and the memory 3002. In some embodiments, processor 3001, memory 3002, and peripheral interface 3003 are integrated on the same chip or circuit board; in some other embodiments, any one or both of processor 3001, memory 3002, and peripheral interface 3003 may be implemented on separate chips or circuit boards, which are not limited by embodiments of the present disclosure.
The Radio Frequency circuit 3004 is configured to receive and transmit Radio Frequency (RF) signals, also referred to as electromagnetic signals. The radio frequency circuit 3004 communicates with a communication network and other communication devices by electromagnetic signals. The radio frequency circuit 3004 converts an electric signal into an electromagnetic signal to transmit, or converts a received electromagnetic signal into an electric signal. Optionally, the radio frequency circuit 3004 comprises an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, or the like. The radio frequency circuitry 3004 may communicate with other devices via at least one wireless communication protocol. The Wireless communication protocol includes, but is not limited to, a metropolitan area network, various generations of mobile communication networks (2G, 3G, 4G, and 5G), a Wireless local area network, and/or a Wireless Fidelity (WiFi) network. In some embodiments, the radio frequency circuitry 3004 may also include Near Field Communication (NFC) related circuitry.
The display screen 3005 is used to display a User Interface (UI). The UI may include graphics, text, icons, video, and any combination thereof. When the display screen 3005 is a touch display screen, the display screen 3005 also has the ability to capture touch signals on or over the surface of the display screen 3005. The touch signal may be input to the processor 3001 as a control signal for processing. At this point, the display screen 3005 may also be used to provide virtual buttons and/or a virtual keyboard, also referred to as soft buttons and/or a soft keyboard. In some embodiments, the display screen 3005 may be one, disposed on the front panel of the electronic device 300; in other embodiments, the display screens 3005 may be at least two, respectively disposed on different surfaces of the electronic device 300 or in a folded design; in still other embodiments, the display 3005 may be a flexible display disposed on a curved surface or on a folded surface of the electronic device 300. Even further, the display screen 3005 may be arranged in a non-rectangular irregular pattern, i.e., a shaped screen. The Display 3005 may be made of Liquid Crystal Display (LCD) or Organic Light-Emitting Diode (OLED).
Those skilled in the art will appreciate that the configuration shown in fig. 6 is not intended to be limiting of electronic device 300 and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components may be used.
It should be noted that the electronic device 300 according to the embodiments of the present disclosure may include, but is not limited to, a Personal Digital Assistant (PDA), a Tablet Computer (Tablet Computer), a wireless handheld device, a mobile phone, and the like.
As another aspect, the present disclosure provides a computer-readable storage medium for storing program code for executing any one implementation of the control method of the battery circuit according to the foregoing embodiments.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the module described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present disclosure, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical division, and in actual implementation, there may be other divisions, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form. Modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present disclosure may be integrated into one processing unit, or each module may exist alone physically, or two or more units are integrated into one module. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. The integrated unit, if implemented as a software functional unit and sold or used as a separate product, may be stored in a computer readable storage medium.
Based on such understanding, the technical solution of the present disclosure may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method for controlling a battery circuit according to the embodiments of the present disclosure. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.

Claims (11)

1. A battery circuit, comprising:
an electric core;
the at least two controllers are respectively used for controlling the battery cell to charge in different modes;
and the input end of the electric meter is electrically connected with the controllers, and the output end of the electric meter is electrically connected with the battery core and is used for acquiring the charging parameters of the battery core and controlling the switching between the at least two controllers according to the charging parameters.
2. The battery circuit of claim 1, wherein the at least two controllers comprise a first controller and a second controller;
the first controller is electrically connected with the battery cell through a first single-pole single-throw switch assembly of the electric meter, and the second controller is electrically connected with the battery cell through a second single-pole single-throw switch assembly of the electric meter;
or the first controller and the second controller are electrically connected with the battery cell through a single-pole double-throw switch assembly of the electricity meter.
3. The battery circuit of claim 2, wherein the first single pole single throw switch assembly comprises a first single pole single throw switch and a first protection resistor, wherein the second single pole single throw switch assembly comprises a second single pole single throw switch and a second protection resistor, and wherein the single pole double throw switch assembly comprises a single pole double throw switch and a third protection resistor.
4. The battery circuit of any of claims 2-3, wherein the first controller is a charge pump and the second controller is a power management chip.
5. The battery circuit of claim 4, wherein a first sense + pin and a first sense-pin of the charge pump are electrically connected to an input terminal of the corresponding first SPDT switch assembly, respectively, the first sense + pin is electrically connected to a positive electrode tab of the cell corresponding to an output terminal of the first SPDT switch assembly, the first sense-pin is electrically connected to a negative electrode tab of the cell corresponding to an output terminal of the first SPDT switch assembly,
a second sense + pin and a second sense-pin of the power management chip are respectively and electrically connected with the input end of the corresponding second single-pole single-throw switch assembly, the second sense + pin is electrically connected with the positive pole lug of the battery cell corresponding to the output end of the second single-pole single-throw switch assembly, and the second sense-pin is electrically connected with the negative pole lug of the battery cell corresponding to the output end of the second single-pole single-throw switch assembly;
or the single-pole double-throw switch assembly comprises a first single-pole double-throw switch assembly and a second single-pole double-throw switch assembly, the first sense + pin and the second sense + pin are respectively and electrically connected with the first input end and the second input end of the first single-pole double-throw switch assembly, the output end of the first single-pole double-throw switch assembly is electrically connected with the positive pole lug of the battery cell,
the first sense-pin and the second sense-pin are respectively and electrically connected with a first input end and a second input end of the second single-pole double-throw switch assembly, and an output end of the second single-pole double-throw switch assembly is electrically connected with a negative pole lug of the battery cell.
6. A control method of a battery circuit, characterized in that the control method of the battery circuit is applied to the battery circuit of any one of claims 1 to 5, the method comprising:
collecting charging parameters of the battery cell;
and controlling the switching between the at least two controllers according to the charging parameters so as to charge the battery cell in different modes.
7. The method of controlling a battery circuit according to claim 6, further comprising:
detecting current of a loop corresponding to a switch assembly electrically connected with a current controller switched to in the at least two controllers, wherein when the current controller is the first controller, the switch assembly is a first single-pole single-throw switch assembly, a protection resistor in the switch assembly is a first protection resistor, when the current controller is the second controller, the switch assembly is a second single-pole single-throw switch assembly, and the protection resistor in the switch assembly is a second protection resistor; or when the current controller is the first controller or the second controller, the switch assembly is a single-pole double-throw switch assembly, and a protection resistor in the switch assembly is a third protection resistor;
and when the current is larger than or equal to the threshold current, controlling a protection resistor in the switch component to be connected to the loop in series.
8. The method of controlling a battery circuit according to claim 7, further comprising:
detecting a first voltage of the protection resistor;
and when the first voltage is smaller than a first threshold voltage, the electric connection between the protection resistor and the loop is disconnected.
9. The method for controlling a battery circuit according to any one of claims 7 to 8, further comprising:
detecting a second voltage of the battery cell;
when the second voltage is smaller than a second threshold voltage, disconnecting a switch component electrically connected with the current controller;
when the second voltage is greater than or equal to the second threshold voltage and the current controller is in a charging mode, turning on the switching component.
10. A battery module characterized by comprising the battery circuit according to any one of claims 1 to 5.
11. An electronic device characterized by comprising the battery module according to claim 10.
CN202110205390.6A 2021-02-24 2021-02-24 Battery circuit, control method thereof, battery module and electronic equipment Pending CN114977344A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110205390.6A CN114977344A (en) 2021-02-24 2021-02-24 Battery circuit, control method thereof, battery module and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110205390.6A CN114977344A (en) 2021-02-24 2021-02-24 Battery circuit, control method thereof, battery module and electronic equipment

Publications (1)

Publication Number Publication Date
CN114977344A true CN114977344A (en) 2022-08-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110205390.6A Pending CN114977344A (en) 2021-02-24 2021-02-24 Battery circuit, control method thereof, battery module and electronic equipment

Country Status (1)

Country Link
CN (1) CN114977344A (en)

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