WO2021259198A1 - 电子设备、充电方法和装置 - Google Patents
电子设备、充电方法和装置 Download PDFInfo
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- WO2021259198A1 WO2021259198A1 PCT/CN2021/101221 CN2021101221W WO2021259198A1 WO 2021259198 A1 WO2021259198 A1 WO 2021259198A1 CN 2021101221 W CN2021101221 W CN 2021101221W WO 2021259198 A1 WO2021259198 A1 WO 2021259198A1
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- Prior art keywords
- battery
- heating element
- electronic device
- circuit board
- charging
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 188
- 238000004891 communication Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 18
- 239000000853 adhesive Substances 0.000 description 11
- 230000001070 adhesive effect Effects 0.000 description 11
- 239000003292 glue Substances 0.000 description 9
- 239000000956 alloy Substances 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000011888 foil Substances 0.000 description 8
- 229920001721 polyimide Polymers 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/46—Accumulators structurally combined with charging apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6571—Resistive heaters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- This application belongs to the field of terminals, and specifically relates to an electronic device, a charging method and a device.
- the batteries in electronic devices are lithium batteries.
- the positive electrode of the lithium battery can produce lithium ions, and the lithium ions can diffuse to the negative electrode of the lithium battery through the electrolyte and combine with the electrons of the negative electrode. , And an electrochemical reaction occurs to produce energy changes to complete the charging process.
- the inventor found that the prior art has at least the following problems: the diffusion speed of lithium ions becomes slow under low temperature conditions, which causes the lithium battery to be charged at a slower rate, or even cannot be charged normally. .
- the purpose of the embodiments of the present application is to provide an electronic device, a charging method, and a device, which can solve the problem that the battery charging speed decreases and the battery cannot be charged normally under low temperature conditions.
- an embodiment of the present application provides an electronic device, including a battery, a first circuit board, a heating element, and a charging interface module, wherein:
- the input end of the charging interface module can be pluggably connected to an external power source, the output end of the charging interface module is electrically connected to the input end of the first circuit board, and the output end of the first circuit board is electrically connected to the input end of the first circuit board.
- the battery is electrically connected, and the first circuit board charges the battery;
- the output end of the charging interface module is electrically connected to the heating element, and the heating element heats the battery.
- a charging method based on the above electronic device includes:
- an embodiment of the present application provides a charging device based on the above electronic device, including:
- An obtaining module configured to obtain the temperature of the battery when the battery is charged through the circuit board
- the power supply module is used for supplying power to the heating element when the temperature is less than a preset threshold and the heating duration of the heating element is less than the first preset duration, and the heating element heats the battery;
- the power supply stop module is configured to stop supplying power to the heating element when the temperature is greater than a preset threshold or the heating duration of the heating element is greater than or equal to a first preset duration.
- an embodiment of the present application provides an electronic device that includes a processor, a memory, and a program or instruction that is stored on the memory and can run on the processor.
- the program or instruction is The processor implements the steps of the method described in the second aspect when executed.
- an embodiment of the present application provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, the steps of the method described in the second aspect are implemented .
- an embodiment of the present application provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is used to run a program or an instruction to implement the second aspect The method described.
- the electronic device includes a first circuit board, a heating element, and a charging interface module.
- the input end of the charging interface module can be pluggably connected to an external power source, and the output end of the charging interface module is connected to the first circuit board.
- the input end is electrically connected, the output end of the first circuit board is electrically connected to the battery, the first circuit board charges the battery, and the output end of the charging interface module is electrically connected to the heating element, and the heating element heats the battery.
- the heating element is added to the electronic device, when charging the battery, the charging interface module can charge the battery on the one hand, and power the heating element on the other hand, when the battery temperature is low. In order to quickly heat the battery, the temperature of the battery is increased, so that the charging speed of the battery will not be affected by the low temperature, thereby increasing the charging speed of the battery.
- FIG. 1 is a schematic diagram of the structure of an electronic device according to an embodiment of the present application.
- FIG. 2 is a schematic diagram of the structure of a control module, a secondary board, and a charging interface module according to an embodiment of the present application;
- FIG. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
- FIG. 4 is a schematic diagram of the structure of a heating element of an embodiment of the present application.
- Figure 5 (A) is a schematic diagram of the structure of a heating element of an embodiment of the present application.
- Fig. 5(B) is a schematic diagram of a scene of a heating element according to an embodiment of the present application.
- Fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
- FIG. 7 is a schematic structural diagram of a first circuit board according to an embodiment of the present application.
- FIG. 8 is a schematic flowchart of a charging method according to an embodiment of the present application.
- FIG. 9 is a schematic flowchart of a charging method according to an embodiment of the present application.
- FIG. 10 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
- FIG. 11 is a schematic diagram of the hardware structure of an electronic device that implements each embodiment of the present application.
- the main idea of the embodiments of the present application is that a flexible circuit board is added to the electronic device, and the flexible circuit board can be in contact with the battery.
- the temperature of the battery can be increased by heating the flexible circuit board, thereby increasing the charging speed of the battery. In this way, even if the outside temperature is low, the technical requirements for fast charging and booting of electronic devices can be met.
- the embodiments of this application can be applied to electronic devices such as mobile personal computers, tablet computers, smart watches, augmented reality (AR) devices, virtual reality (VR) devices, electric cars, electric bicycles, electric toothbrushes, etc. .
- electronic devices such as mobile personal computers, tablet computers, smart watches, augmented reality (AR) devices, virtual reality (VR) devices, electric cars, electric bicycles, electric toothbrushes, etc. .
- AR augmented reality
- VR virtual reality
- FIG. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
- the electronic device may include a battery, a first circuit board, a heating element and a charging interface module.
- the charging interface module may include an input terminal and an output terminal, and the first circuit board also includes an input terminal and an output terminal.
- the input end of the charging interface module is pluggable and connectable with an external power source, the output end is electrically connected to the input end of the first circuit board, and the output end of the first circuit board is electrically connected to the battery.
- the first circuit board can charge the battery.
- the output end of the charging interface module can also be electrically connected with the heating element, which is used to heat the battery.
- the electronic device shown in Figure 1 can be pluggable to provide power from an external power source when charging the battery.
- the charging interface module can be connected to an external power source through an external fast charging head.
- the head concrete can provide a charging voltage above 11V for the battery.
- the charging interface module can charge the battery through the first circuit board.
- the charging interface module can supply power to the heating element, and the heating element is supplying power.
- the battery can be heated to increase the temperature of the battery, which can speed up the charging speed.
- the charging interface module can charge the battery on the one hand, and power the heating element on the other hand, when the battery temperature is low. In order to quickly heat the battery, the temperature of the battery is increased, so that the charging speed of the battery will not be affected by the low temperature, thereby increasing the charging speed of the battery.
- the electronic device provided in this embodiment may further include a secondary board, and the output terminal of the charging interface module may be connected to the input terminal of the first circuit board and the heating element through the secondary board.
- the electronic device provided in this embodiment may include a control module, and the charging interface module may be electrically connected to the heating element through the control module, wherein the output end of the charging interface module may be connected to the control module by welding, and Supply power to the heating element through the control module.
- the control module can include power FETs, comparators, timers and wiring components. Among them, the power FET is used to output the charging current, and the comparator is used to compare whether the temperature of the battery is lower than The threshold is preset, the timer is used for subsequent timing after stopping the power supply to the heating element (that is, the heating of the battery is stopped), and the wiring is used to connect the power FET, the comparator and the timer.
- FIG. 2 the schematic diagram of the structure of the control module, sub-board and charging interface module can be referred to FIG. 2.
- 1 indicates the charging interface module
- 2 indicates the secondary board
- 3 indicates the board to board connectors (BTB)
- 4 indicates the first circuit board
- 5 indicates the lower BTB
- 6 indicates the heating element
- 7 represents the control module.
- the input end of the charging interface module 1 can be connected to an external power supply (not shown in Figure 2), and the output end can be connected to the secondary board 2 by welding. Among them, when charging the battery, the charging interface module 1 can Output the charging voltage to the sub-board 2.
- the first path is: the output terminal of the charging interface module 1 is electrically connected to the input terminal of the secondary board 2, and the first output terminal of the secondary board 2 is connected to the first circuit board through the upper BTB 3 4Connect so that the battery can be charged through the first circuit board 4;
- the second path is: the output terminal of the charging interface module 1 is electrically connected to the input terminal of the secondary board 2, and the second output terminal of the secondary board 2 is connected to the lower BTB 5
- the heating element 6 is connected, and the second path in the sub-board 2 can also include a control module 7, which controls the heating element 6 to heat the battery when the temperature of the battery is lower than a preset threshold to increase the battery temperature.
- the electronic device in this embodiment further includes a battery compartment and a battery back cover, the battery compartment is used to house the battery, wherein the heating element can be located between the battery compartment and the battery, or can also be located between the battery and the battery back cover In between, there is no specific limitation here.
- the thickness of the heating element can be determined according to the actual situation.
- the thickness of the heating element can be set within 0.05mm, so that less space in the battery compartment can be occupied, and the heating element has an impact on the structure of the electronic device. The influence caused by the appearance and reliability can be ignored.
- the heating element may also be at least partially in contact with the battery, so as to better heat the battery.
- the contact mode of the heating element and the battery can be full-area contact or partial-area contact, which is not specifically limited here.
- the heating element can be flexibly arranged in the battery compartment according to actual conditions.
- adhesives can be provided on both the first and second sides of the heating element, and the heating element can be passed through the adhesive provided on the first side.
- the back adhesive provided on the second side is in contact with the above-mentioned battery compartment or the battery back cover, wherein the back adhesive can be understood as a double-sided adhesive.
- the first circuit board may be located between the heating element and the battery compartment, or between the heating element and the battery back cover, wherein the designated area on the second surface of the heating element may not be provided with adhesive to avoid Position the first circuit board, in this way, can prevent the back glue from affecting the performance of the first circuit board.
- the area of the first circuit board can be smaller than the area of the heating element, and the contact mode of the heating element with the battery compartment or the battery back cover can be partial area contact.
- the heating element can be fixed on the basis of convenient
- the first circuit board is arranged between the heating element and the battery compartment, or, conveniently, the first circuit board is arranged between the heating element and the battery back cover.
- the heating element can also be fixed by other methods, such as welding.
- 1 indicates the first circuit board
- 2 indicates the adhesive
- 3 indicates the heating element
- 4 indicates the battery
- the first circuit board 1 the adhesive 2, the heating element 3 and the battery 4 can be superimposed in the battery compartment.
- the back glue 2 can be set on the first side of the heating element 3 (which can be understood as the side facing the battery 4), so that the heating element 3 contacts the battery 4 through the back glue 2, on the second side of the heating element 3 (can be understood as The part of the area (the side facing away from the battery 4) (that is, the gray area shown in Figure 3) can be equipped with back glue so that the heating element 2 is in contact with the battery compartment.
- the designated area below the first circuit board 1 There is no back glue, so that the first circuit board 1 can be avoided, and the back glue can prevent the performance of the first circuit board 1 from being affected by the back glue.
- the heating element may include a resistor and an insulating layer, specifically, a resistor and a polyimide insulating layer obtained by etching an alloy foil, or a heater wire resistor element and an insulating protective film, where The resistance and heating resistance wire elements obtained by etching the alloy foil can heat up when the power is turned on.
- the charging interface module can heat the heating element by supplying power to the heating element , The resistance or resistance wire element in the heating element can generate heat when energized, thereby increasing the temperature of the battery.
- the heating element can be connected to the charging interface module through a board-to-board connector, so that the heating element can be safely and quickly heated to the required temperature, thereby increasing the temperature of the battery.
- the first circuit board can also be connected to the charging interface module through a board-to-board connector.
- FIG 4 is the formal view and side view of the second side of the heating element.
- the designated area 1 in the middle may not be provided with adhesive to avoid the first circuit board and the surrounding parts.
- Area 2 can be equipped with adhesive to fix the heating element.
- the bottom of the heating element can be equipped with a BTB (board-to-board connector), which can be electrically connected to the output end of the charging interface module through the BTB, so that the heating element can be heated safely and quickly To the desired temperature, thereby increasing the temperature of the battery.
- BTB board-to-board connector
- the structure diagram of the heating element can also be seen in Fig. 5(A) and Fig. 5(B).
- Figure 5 (A) is a schematic diagram of the specific structure of the heating element.
- the heating element shown in Figure 5 (A) includes an etched alloy foil 1 and a polyimide insulating layer 2.
- the etched alloy foil 1 can be Sealed between two layers of polyimide film 2, the polyimide film 2 can play the role of insulation and protection.
- one side of the alloy foil 1 is provided with a back glue (that is, 3 shown in the figure), and the polyimide film 2 A back glue is also provided on one side of the imide insulating layer 2 (that is, 4 shown in the figure).
- Figure 5(B) is the actual picture of the heating element, including the etched alloy foil 1 and the polyimide insulating layer 2. As can be seen in Figure 5(B), it can be obtained by etching the alloy foil 1 A plurality of uniformly distributed resistors, among which, the resistor obtained by etching the alloy foil 1 can generate heat when energized.
- the electronic device in this embodiment may further include a temperature sensor.
- the temperature sensor may be located in the central area of the above-mentioned battery compartment, connected to the first circuit board or connected to the control module, so that the temperature sensor can easily detect the temperature of the battery. .
- FIG. 6 is a front view and a rear view of the electronic device.
- 1 indicates the battery
- 2 indicates the first circuit board (circle indicates the temperature sensor)
- 3 indicates the heating element
- 4 indicates the secondary board
- 5 indicates the charging interface module.
- the input end of the charging interface module 5 is pluggable and connectable to the external power supply
- the output end is electrically connected to the input end of the sub-board 4
- the output end of the sub-board 4 is electrically connected to the input end of the first circuit board 2 and the heating element 3
- the output end of the first circuit board 2 is connected to the battery 1 and the main board (not shown in Figure 6)
- the heating element 3 is in contact with the battery
- the temperature sensor is connected to the first circuit board 2.
- Terminal 1 of the first circuit board can be connected to the output terminal of the charging interface module, and terminal 2 can be connected to the battery.
- the first circuit board can be based on the charging interface module.
- the voltage charges the battery.
- NTC can represent a temperature sensor, and NTC can be connected to the first circuit board to detect the temperature of the battery.
- the electronic device includes a first circuit board, a heating element, and a charging interface module.
- the input end of the charging interface module can be pluggably connected to an external power source, and the output end of the charging interface module is connected to the first circuit board.
- the input end is electrically connected, the output end of the first circuit board is electrically connected to the battery, the first circuit board charges the battery, and the output end of the charging interface module is electrically connected to the heating element, and the heating element heats the battery.
- the heating element is added to the electronic device, when charging the battery, the charging interface module can charge the battery on the one hand, and power the heating element on the other hand, when the battery temperature is low. In order to quickly heat the battery, the temperature of the battery is increased, so that the charging speed of the battery will not be affected by the low temperature, thereby increasing the charging speed of the battery.
- FIG. 8 is a schematic flowchart of the charging method of an embodiment of the present application. The method is as follows.
- S802 Acquire the temperature of the battery when the battery is charged through the first circuit board.
- the electronic device when the electronic device is connected to an external power source, it can be regarded as charging the battery of the electronic device. At this time, the electronic device can obtain the temperature of the battery through the temperature sensor in the embodiment shown in FIG. 1.
- the heating element inside the electronic device is in the non-heating state of the battery by default, that is, in S802, when the temperature of the battery is obtained, the heating element is in the non-power supply state.
- the power supply to the heating element may be stopped, that is, the battery may be stopped heating, or, when the heating time is greater than or equal to the first preset time, for To prevent the temperature sensor from failing due to being in a high temperature state for a long time, it can also stop supplying power to the heating element.
- the battery when the temperature of the battery is greater than or equal to the preset threshold, since there is no need to supply power to the heating element, in this case, the battery can be charged with a larger first charging current, thereby Can increase the charging speed of the battery.
- the battery because the battery needs to be charged and heated at the same time when the temperature of the battery is less than the preset threshold, in this case, the battery can be charged with a smaller second charging current. A charging current is greater than the second charging current.
- FIG. 9 is a schematic flowchart of the charging method according to an embodiment of the present application.
- S901 Acquire the temperature of the battery while charging the battery through the first circuit board.
- the prerequisite for performing S901 here is that the heating element is in a non-power supply state, that is, the battery is in a non-heating state.
- the heating element when the heating element is in a non-power supply state, since there is no need to supply power to the heating element, that is, there is no need to heat the battery. Therefore, in this case, the battery can be charged with a larger first charging current, which can improve The charging speed of the battery.
- S902 Determine whether the temperature of the battery is less than a preset threshold.
- S903 can be executed; if not, S901 can be executed.
- S903 Supply power to the heating element.
- the battery when the temperature of the battery is less than the preset threshold, the battery needs to be charged and heated at the same time. Therefore, in this case, the battery can be charged with a smaller second charging current, and the first charging The current is greater than the second charging current.
- S904 Determine whether the temperature of the battery is less than a preset threshold, and whether the heating duration is less than a first preset duration.
- S903 can be executed; if not, S905 can be executed.
- S906 Determine whether the heating stop time period is equal to the second preset time period.
- the timing can be started, and it is determined whether the timing duration is equal to the second preset duration.
- S901 can be executed; if not, S906 can be continued.
- the electronic device provided by the embodiment of the present application includes a first circuit board, a heating element, and a charging interface module.
- the input end of the charging interface module can be pluggably connected to an external power source, and the output end of the charging interface module is connected to the first circuit board.
- the input end is electrically connected, the output end of the first circuit board is electrically connected to the battery, the first circuit board charges the battery, and the output end of the charging interface module is electrically connected to the heating element, and the heating element heats the battery.
- the heating element is added to the electronic device, when the battery temperature is low, the heating element can heat the battery to increase the temperature of the battery. Therefore, the charging speed of the battery can be prevented from being affected by the low temperature. Increase the charging speed of the battery.
- the execution subject of the charging method provided in the embodiment of the present application may be a charging device, or a charging interface module in the charging device for executing the loading and charging method.
- the charging method executed by the charging device is taken as an example to illustrate the charging method provided in the embodiment of the present application.
- Fig. 10 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
- the electronic device includes: an acquisition module 101, a power supply module 102, and a power supply stop module 103, wherein:
- the obtaining module 101 obtains the temperature of the battery when the battery is charged through the circuit board;
- the power supply module 102 supplies power to the heating element when the temperature is less than a preset threshold and the heating duration of the heating element is less than the first preset duration, and the heating element heats the battery;
- the power supply module 103 is stopped, and when the temperature is greater than a preset threshold, or the heating duration of the heating element is greater than or equal to the first preset duration, the power supply to the heating element is stopped.
- the electronic device further includes a charging module 104, wherein:
- the battery is charged based on a first charging current, the first charging current is greater than the second charging current, and the second charging current is heated by the heating element The charging current of the battery in the case of the battery.
- the charging device in the embodiment of the present application may be a device, or a component, an integrated circuit, or a chip in a terminal.
- the device can be a mobile electronic device or a non-mobile electronic device.
- the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a handheld computer, a vehicle electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, or a personal digital assistant (personal digital assistant).
- UMPC ultra-mobile personal computer
- netbook or a personal digital assistant (personal digital assistant).
- non-mobile electronic devices can be servers, network attached storage (NAS), personal computers (PC), televisions (television, TV), teller machines or self-service machines, etc., this application
- NAS network attached storage
- PC personal computers
- TV televisions
- teller machines or self-service machines etc.
- the charging device in the embodiment of the present application may be a device with an operating system.
- the operating system may be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiment of the present application.
- the charging device provided in the embodiment of the present application can implement the various processes implemented by the charging device in the method embodiments of FIG. 8 and FIG. 9. To avoid repetition, details are not described herein again.
- the electronic device includes a first circuit board, a heating element, and a charging interface module.
- the input end of the charging interface module can be pluggably connected to an external power source, and the output end of the charging interface module is connected to the first circuit board.
- the input end is electrically connected, the output end of the first circuit board is electrically connected to the battery, the first circuit board charges the battery, and the output end of the charging interface module is electrically connected to the heating element, and the heating element heats the battery.
- the heating element is added to the electronic device, when charging the battery, the charging interface module can charge the battery on the one hand, and power the heating element on the other hand, when the battery temperature is low. In order to quickly heat the battery, the temperature of the battery is increased, so that the charging speed of the battery will not be affected by the low temperature, thereby increasing the charging speed of the battery.
- an embodiment of the present application further provides an electronic device, including a processor 1110, a memory 1109, and a program or instruction that is stored on the memory 1109 and can run on the processor 1110.
- the program or instruction is executed by the processor 1110.
- processor 1110 When 1110 is executed, each process of the foregoing charging method embodiment is realized, and the same technical effect can be achieved. In order to avoid repetition, details are not repeated here.
- the electronic devices in the embodiments of the present application include the above-mentioned mobile electronic devices and non-mobile electronic devices.
- FIG. 11 is a schematic diagram of the hardware structure of an electronic device implementing an embodiment of the present application.
- the electronic device 1100 includes, but is not limited to: a radio frequency unit 1101, a network module 1102, an audio output unit 1103, an input unit 1104, a sensor 1105, a display unit 1106, a user input unit 1107, an interface unit 1108, a memory 1109, a processor 1110, etc. part.
- the electronic device 1100 may also include a power source (such as a battery) for supplying power to various components.
- the power source may be logically connected to the processor 1110 through a power management system, so that the power management system can manage charging, discharging, and power management. Consumption management and other functions.
- the structure of the electronic device shown in FIG. 11 does not constitute a limitation on the electronic device.
- the electronic device may include more or less components than those shown in the figure, or some components may be combined, or different component arrangements, which will not be repeated here. .
- the processor 1110 is configured to obtain the temperature of the battery when the battery is charged through the first circuit board; when the temperature is less than a preset threshold, and the heating duration of the heating element is less than the first In the case of a preset duration, power is supplied to the heating element, and the heating element heats the battery; when the temperature is greater than a preset threshold, or the heating duration of the heating element is greater than or equal to the first preset duration Next, stop supplying power to the heating element.
- the charging interface module can charge the battery on the one hand, and power the heating element on the other hand, when the battery temperature is low. In order to quickly heat the battery, the temperature of the battery is increased, so that the charging speed of the battery will not be affected by the low temperature, thereby increasing the charging speed of the battery.
- the processor 1110 is further configured to charge the battery based on a first charging current if the temperature is greater than or equal to the preset threshold, and the first charging current is greater than the second charging current, and the The second charging current is the charging current of the battery when the heating element heats the battery.
- the embodiment of the present application also provides a readable storage medium with a program or instruction stored on the readable storage medium.
- the program or instruction is executed by a processor, each process of the above charging method embodiment is realized, and the same can be achieved.
- the processor is the processor in the electronic device described in the foregoing embodiment.
- the readable storage medium includes a computer readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disks, or optical disks.
- An embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a program or an instruction to implement each of the foregoing charging method embodiments The process, and can achieve the same technical effect, in order to avoid repetition, I will not repeat it here.
- chips mentioned in the embodiments of the present application may also be referred to as system-level chips, system-on-chips, system-on-chips, or system-on-chips.
- the technical solution of this application essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.
- a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
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Abstract
Description
Claims (13)
- 一种电子设备,其中,包括电池,第一电路板,加热元件和充电接口模块,其中:所述充电接口模块的输入端可与外界电源可插拔连接,所述充电接口模块的输出端与所述第一电路板的输入端电连接,所述第一电路板的输出端与所述电池电连接,所述第一电路板对所述电池充电;所述充电接口模块的输出端与所述加热元件电连接,所述加热元件对所述电池加热。
- 根据权利要求1所述的电子设备,其中,所述电子设备还包括副板,所述充电接口模块的输出端通过所述副板与所述第一电路板的输入端和所述加热元件连接。
- 根据权利要求1所述的电子设备,其中,所述电子设备还包括控制模块,所述控制模块与所述加热元件连接,用于控制所述加热元件对所述电池加热。
- 根据权利要求1所述的电子设备,其中,所述电子设备还包括电池仓和电池后盖,所述电池仓用于收纳所述电池;所述加热元件位于所述电池仓和所述电池之间,或位于所述电池和电池后盖之间。
- 根据权利要求4所述的电子设备,其中,所述第一电路板位于所述加热元件与所述电池仓之间,或位于所述加热元件与所述电池后盖之间。
- 根据权利要求1所述的电子设备,其中,所述加热元件与所述电池至少部分接触。
- 根据权利要求1所述的电子设备,其中,所述加热元件包括电阻和绝缘层。
- 一种充电方法,应用于权利要求1至7任一项所述的电子设备,其中, 包括:在通过所述第一电路板对电池充电的情况下,获取所述电池的温度;在所述温度小于预设阈值,且所述加热元件的加热时长小于第一预设时长的情况下,为所述加热元件供电,所述加热元件加热所述电池;在所述温度大于预设阈值,或所述加热元件的加热时长大于或等于第一预设时长的情况下,停止为所述加热元件供电。
- 根据权利要求8所述的方法,其中,所述方法还包括:若所述温度大于或等于所述预设阈值,则基于第一充电电流对所述电池充电,所述第一充电电流大于第二充电电流,所述第二充电电流为所述加热元件加热所述电池的情况下所述电池的充电电流。
- 一种充电装置,应用于权利要求1至7任一项所述的电子设备,其中,包括:获取模块,用于在通过所述电路板对电池充电的情况下,获取所述电池的温度;供电模块,用于在所述温度小于预设阈值,且所述加热元件的加热时长小于第一预设时长的情况下,为所述加热元件供电,所述加热元件加热所述电池;停止供电模块,用于在所述温度大于预设阈值,或所述加热元件的加热时长大于或等于第一预设时长的情况下,停止为所述加热元件供电。
- 一种电子设备,其中,该电子设备包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求8或9所述的方法的步骤。
- 一种可读存储介质,其中,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如权利要求8或9所述的方法的步骤。
- 一种芯片,其中,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如权利要求8或 9所述的方法。
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EP21829927.9A EP4170854A4 (en) | 2020-06-23 | 2021-06-21 | ELECTRONIC DEVICE, AND CHARGING METHOD AND APPARATUS |
KR1020237001566A KR20230025873A (ko) | 2020-06-23 | 2021-06-21 | 전자 장비, 충전 방법 및 장치 |
JP2022578558A JP7539499B2 (ja) | 2020-06-23 | 2021-06-21 | 電子機器、充電方法及び装置 |
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CN114336807A (zh) * | 2020-09-30 | 2022-04-12 | Oppo广东移动通信有限公司 | 充电控制方法、充电设备及充电系统 |
CN112542870B (zh) * | 2020-11-28 | 2024-02-20 | Oppo广东移动通信有限公司 | 电子设备 |
CN114639897A (zh) * | 2022-04-13 | 2022-06-17 | Oppo广东移动通信有限公司 | 发热系统、发热控制方法和电子设备 |
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JP7539499B2 (ja) | 2024-08-23 |
US20230125998A1 (en) | 2023-04-27 |
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EP4170854A4 (en) | 2024-02-21 |
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