CN109217488A - Charging circuit, electronic equipment, charging method and storage medium - Google Patents

Charging circuit, electronic equipment, charging method and storage medium Download PDF

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Publication number
CN109217488A
CN109217488A CN201811023272.8A CN201811023272A CN109217488A CN 109217488 A CN109217488 A CN 109217488A CN 201811023272 A CN201811023272 A CN 201811023272A CN 109217488 A CN109217488 A CN 109217488A
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CN
China
Prior art keywords
wireless charging
charging
wireless
output
chip
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Granted
Application number
CN201811023272.8A
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Chinese (zh)
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CN109217488B (en
Inventor
武小勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201811023272.8A priority Critical patent/CN109217488B/en
Publication of CN109217488A publication Critical patent/CN109217488A/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/20Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • 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
    • 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
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/022Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters characterised by the type of converter
    • H02J7/025Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters characterised by the type of converter using non-contact coupling, e.g. inductive, capacitive

Abstract

It includes wired charging module, public charging management chip, wireless charging module and wireless charging managing chip that the embodiment of the present application, which provides a kind of charging circuit, electronic equipment, charging method and storage medium, the charging circuit,.The output end of wired charging module is connect with the input terminal of public charging management chip, and the output end of public charging management chip is for connecting battery;Wireless charging managing chip at least two, the input terminal of each wireless charging managing chip and the first output end of wireless charging module connect, and the output end of each wireless charging managing chip is for connecting battery;The second output terminal of wireless charging module is connect with the input terminal of public administration chip, when the voltage of wireless charging module output signal is greater than first voltage threshold value, the output signal of wireless charging module is exported by the first output end of wireless charging module, and otherwise the output signal of wireless charging module is exported by second output terminal.The temperature rise of wireless charging chip can be reduced.

Description

Charging circuit, electronic equipment, charging method and storage medium
Technical field
This application involves electronic technology fields more particularly to a kind of charging circuit, electronic equipment, charging method and storage to be situated between Matter.
Background technique
The charging scheme of electronic equipment such as mobile phone has much at present, but the charging all or using wired channel realized. With the continuous development of technology, the development of especially wireless charging industry provides another charging scheme, i.e. wireless charging Scheme.However, heating problem is than more serious in wireless charging scheme.
Summary of the invention
The embodiment of the present application provides a kind of charging circuit, electronic equipment, charging method and storage medium, can improve wireless The problem of generating heat in charging process.
In a first aspect, the embodiment of the present application provides a kind of charging circuit, it is applied to electronic equipment, charging circuit includes Line charging module, public charging management chip, wireless charging module and wireless charging managing chip, in which:
The input terminal of the wired charging module is used to connect the output end of wired charger, the wired charging module Output end is connect with the input terminal of the public charging management chip, and the output end of the public charging management chip is for connecting Battery;
The wireless charging managing chip at least two, the input terminal of each wireless charging managing chip with it is described First output end of wireless charging module connects, and the output end of each wireless charging managing chip is used to connect battery,
The second output terminal of the wireless charging module is connect with the input terminal of the public charging management chip, the nothing When the voltage of line charge electricity module output signal is greater than first voltage threshold value, the output signal of the wireless charging module passes through described First output end of wireless charging module exports, and the voltage of the wireless charging module output signal is less than or equal to first voltage When threshold value, the output signal of the wireless charging module is exported by the second output terminal of the wireless charging module.
Second aspect, the embodiment of the present application offer a kind of electronic equipment comprising battery and charging circuit, the charging Circuit charging circuit as described above.
The third aspect, the embodiment of the present application provide a kind of charging method, are applied to electronic equipment, the electronic equipment packet Include charging circuit and battery, the charging circuit include wired charging module, public charging management chip, wireless charging module and Wireless charging managing chip;
The input terminal of the wired charging module is used to connect the output end of wired charger, the wired charging module Output end is connect with the input terminal of the public charging management chip, and the output end of the public charging management chip connects electricity Pond;
The wireless charging managing chip at least two, the input terminal of each wireless charging managing chip with it is described First output end of wireless charging module connects, and the output end of each wireless charging managing chip connects battery;
The second output terminal of the wireless charging module is connect with the input terminal of the public administration chip;
The described method includes:
When the voltage of the wireless charging module output signal is greater than first voltage threshold value, the wireless charging module Output signal is exported by the first output end of the wireless charging module;
When the voltage of the wireless charging module output signal is less than or equal to first voltage threshold value, the wireless charging The output signal of module is exported by the second output terminal.
Fourth aspect, the embodiment of the present application provide a kind of storage medium, are stored thereon with computer program, when the calculating When machine program is run on computers, so that the computer executes charging method described above.
Charging circuit provided by the embodiments of the present application includes wired charging module and wireless charging module, wired charging module By there is line charge managing chip to connect battery, wireless charging module passes through public charging management chip and at least two wireless chargings Managing chip connects battery, when the voltage of wireless charging module output signal is greater than first voltage threshold value, wireless charging module Output signal is charged the battery by least two wireless charging managing chips, will by least two wireless charging managing chips Fever dispersion improves the efficiency and service life of wireless charging managing chip to reduce the temperature rise of wireless charging managing chip. Wired charging module can also be charged the battery by public charging management chip simultaneously, may be implemented it is wired and wireless and meanwhile to Battery charging, accelerates charge efficiency, shortens the charging time.The voltage of wireless charging module output signal is less than or equal to the first electricity When pressing threshold value, the output signal of wireless charging module is charged the battery by public charging management chip, is reduced to wireless charging The use of chip reduces the temperature rise of wireless charging chip.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment Attached drawing is briefly described.It should be evident that the drawings in the following description are only some examples of the present application, for For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is the structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Fig. 2 is the sectional view in the direction electronic equipment A-A ' in Fig. 1.
Fig. 3 is another structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Fig. 4 is the structural block diagram of electronic equipment provided by the embodiments of the present application.
Fig. 5 is the first structural schematic diagram of charging circuit provided by the embodiments of the present application.
Fig. 6 is the structural schematic diagram of wireless charging module provided by the embodiments of the present application.
Fig. 7 is second of structural schematic diagram of charging circuit provided by the embodiments of the present application.
Fig. 8 is second of structural schematic diagram of charging circuit provided by the embodiments of the present application.
Fig. 9 is the 4th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.
Figure 10 is the 5th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.
Figure 11 is the 6th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.
Figure 12 is the 7th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.
Figure 13 is the 8th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.
Figure 14 is the flow diagram of charging method provided by the embodiments of the present application.
Specific embodiment
Schema is please referred to, wherein identical component symbol represents identical component, the principle of the application is to implement one It is illustrated in computing environment appropriate.The following description be based on illustrated by the application specific embodiment, should not be by It is considered as limitation the application other specific embodiments not detailed herein.
Term as used herein " module " can regard the software object to execute in the arithmetic system as.It is somebody's turn to do herein not Same component, module, engine and service can be regarded as the objective for implementation in the arithmetic system.And the device and method being somebody's turn to do herein is excellent Being implemented in the form of software for choosing, can also be implemented on hardware, certainly within the application protection scope.
Concrete analysis explanation is carried out below.
The embodiment of the present application provides a kind of charging circuit and electronic equipment.It will be described in detail respectively below.Wherein fill Circuit can be set in the electronic device, and electronic equipment can be the equipment such as smart phone, tablet computer.
It please refers to Fig.1 to Fig.3, Fig. 1 is the structural schematic diagram of electronic equipment provided by the embodiments of the present application, and Fig. 2 is in Fig. 1 The sectional view in the direction A-A ', Fig. 3 are another structural schematic diagram of electronic equipment provided by the embodiments of the present application.Electronic equipment 10 can With include cover board 11, display screen 12, control circuit 13, battery 14, shell 15, front camera 161, rear camera 162 with And unlocked by fingerprint module 17.It should be noted that electronic equipment 10 is not limited to the above content.
Wherein, cover board 11 is installed on display screen 12, to cover display screen 12.Cover board 11 can be transparent glass cover plate, So that 12 euphotic cover plate 11 of display screen is shown.In some embodiments, cover board 11 can be with materials such as sapphires Manufactured glass cover-plate.
Wherein, display screen 12 is mounted in shell 15.Display screen 12 is electrically connected in control circuit 13, is set with forming electronics Standby 10 display surface.Display screen 12 can be the shape of rule, such as rectangular parallelepiped structure, the top or/and bottom of electronic equipment 10 End can form non-display area, i.e. electronic equipment 10 forms non-display area, electronics on the top of display screen 12 or/and lower part Equipment 10 can install the devices such as front camera 161, rear camera 162 in non-display area.It should be noted that display Screen 12 can also cover on the display surface of entire electronic equipment 10, that is, realize the full screen display of electronic equipment 10.
Wherein, control circuit 13 is mounted in shell 15, and control circuit 13 can be the mainboard of electronic equipment 10, control electricity Can integrate on road 13 motor, microphone, loudspeaker, earphone interface, Universal Serial Bus Interface, front camera 161, after Set one, two in the functional units such as camera 162, range sensor, ambient light sensor, receiver and controller or It is multiple.In some embodiments, control circuit 13 can be screwed in shell 12 by screw, can also be by the way of buckle Card is fitted in shell 12.It should be noted that the embodiment of the present application control circuit 13 is specifically fixed to the mode in shell 12 simultaneously It is without being limited thereto, it can be with other way, such as by way of buckling and screw fixes jointly.
Wherein, shell 15 includes center 151 and rear cover 152, and center 151 is arranged around display screen 12, rear cover 152 and display Screen 12 is separately positioned on the opposite two sides of electronic equipment 10.It is understood that display screen 12 can be for electronic equipment 10 just Face, rear cover 152 are the back side of electronic equipment 10.
Referring to Fig. 4, Fig. 4 is the structural block diagram of electronic equipment provided by the embodiments of the present application.The control of electronic equipment 10 Circuit 13 may include storage and processing circuit 131.Storing and processing circuit 131 may include memory, such as hard drive Memory, nonvolatile memory (such as flash memory or the other electrically programmable read only memories for being used to form solid state drive Deng), volatile memory (such as either statically or dynamically random access memory etc.) etc., the embodiment of the present application is with no restriction.Storage It can be used for the operating of controlling electronic devices 10 with the processing circuit in processing circuit 131.Processing circuit can based on one or Multiple microcontrollers, microcontroller, digital signal controller, baseband controller, power management unit, audio codec core Piece, specific integrated circuit, display-driver Ics etc. are realized.
Storage and processing circuit 131 can be used for running the software in electronic equipment 10, such as the Internet browser application program, Voice over internet protocol (Voice over Internet Protocol, VOIP) call application program, Email are answered With program, media play-back application, operation system function etc..These softwares can be used for executing some control operations, for example, Image Acquisition based on camera, the ambient light measurement based on ambient light sensor, the proximity sensor based on proximity sensor Measurement, the information display function that the positioning indicators such as status indicator lamp based on light emitting diode are realized are passed based on touching The touch event of sensor detects, function associated with information show on multiple (such as layering) displays, with execution nothing The associated operation of line communication function, operation associated with collecting and generating audio signal, presses with collection and treatment button Other functions etc. in the associated control operation of event data and electronic equipment 10, the embodiment of the present application is with no restriction.
Electronic equipment 10 can also include input-output circuit 132.Input-output circuit 132 can be used for making electronic equipment 10 realization data are output and input, i.e., permission electronic equipment 10 allows electronic equipment 10 will from outer equipment receiving data and also Data are exported from electronic equipment 10 to external equipment.Input-output circuit 132 may further include sensor 1321.Sensing Device 1321 may include ambient light sensor, the proximity sensor based on light and capacitor, and touch sensor based on light (for example, touched Touch sensor and/or capacitive touch sensors, wherein touch sensor can be a part of touching display screen, can also be with Independently used as a touch sensor arrangement), acceleration transducer, temperature sensor and other sensors etc..
Input-output circuit 132 can also include one or more displays, such as display 1322, display 1322 It can be refering to the above display screen 12.Display 1322 may include liquid crystal display, organic light emitting diode display, electronic ink Water display, plasma display, one or several kinds of combination in the display using other display technologies.Display 1322 It may include touch sensor array (that is, display 1322 can be touching display screen).Touch sensor can be by transparent The capacitive touch sensors that are formed of touch sensor electrode (such as tin indium oxide (ITO) electrode) array, or can be The touch sensor formed using other touching techniques, such as sound wave touch-control, pressure sensible touch, resistive touch, optical touch etc., this Apply for embodiment with no restriction.
Electronic equipment 10 can also include audio component 1323.Audio component 1323 can be used for providing for electronic equipment 10 Audio input and output function.Audio component 1323 in electronic equipment 10 may include loudspeaker, microphone, buzzer, sound Adjust generator and other for generating and detecting the component of sound.
Electronic equipment 10 can also include telecommunication circuit 1324.Telecommunication circuit 1324 can be used for providing for electronic equipment 10 With the ability of external device communication.Telecommunication circuit 1324 may include analog- and digital- input-output interface circuit, and based on penetrating The radio communication circuit of frequency signal and/or optical signal.Radio communication circuit in telecommunication circuit 1324 may include radio-frequency receiving-transmitting Device circuit, power amplifier circuit, low-noise amplifier, switch and filter.For example, wireless in telecommunication circuit 1324 Telecommunication circuit may include for supporting near-field communication (Near Field by emitting and receiving near-field coupling electromagnetic signal Communication, NFC) circuit.For example, telecommunication circuit 124 may include near-field communication aerial and near-field communication transmitting-receiving Device.Telecommunication circuit 1324 can also include cellular telephone transceiver, wireless lan transceiver circuit etc..
Electronic equipment 10 can further include power management circuitry and other input-output units 1325.Input-defeated Unit 1325 may include button out, control stick, click wheel, scroll wheel, touch tablet, keypad, keyboard, camera, shine two Pole pipe and other positioning indicators etc..
Electronic equipment 10 can also include charging circuit 100.Charging circuit 100 can be the battery 14 of electronic equipment 100 Charging.Charging circuit 100 can be charged by way of wired charging for battery 14, can also be by way of wireless charging Battery 14 charges.
User can input a command for the operation of controlling electronic devices 10 by input-output circuit 132, and can make Status information and other outputs from electronic equipment 10 are received with the output data of input-output circuit 132 to realize.
Wherein, battery 14 is mounted in shell 15, and battery 14 is electrically connected with control circuit 13, with to electronic equipment 10 Power supply is provided.Shell 15 can be used as the battery cover of battery 14.Shell 15 covers battery 14 to protect battery 14, reduces battery 14 Due to the collision of electronic equipment 10, the damage falling etc. and be subject to.
Wherein, shell 15 can form the exterior contour of electronic equipment 10.In some embodiments, housing unit 15 can be with Including storage space, with devices such as storage control display screen 12, control circuit 13, batteries 14.
In some embodiments, shell 15 can be the metals such as metal shell component, such as magnesium alloy, stainless steel.It needs Illustrating, the material of the embodiment of the present application shell 15 is not limited to this, such as: shell 15 can be plastic casing, ceramic case Body, glass shell etc..
It is the charging process of battery 14 in order to further illustrate the embodiment of the present application charging circuit 100, below by filling Electronic equipment 10 is described in detail for circuit 100.
Referring to Fig. 5, Fig. 5 is the first structural schematic diagram of charging circuit provided by the embodiments of the present application.Charging circuit 100 may include: wired charging module 110, public charging management chip 120, wireless charging module 130 and wireless charging management Chip 140.
The input terminal 1101 of wired charging module 110 is used to connect the output end 2001 of wired charger 200, wired charging The output end 1102 of module 110 is connect with the input terminal 121 of public charging management chip 120, public charging management chip 120 Output end 1202 connects battery 14.
It follows that when user using wired charging module 110 be battery 14 charge when, by wired charger 200 with have Line charging module 110 is mutually inserted, for example wired charger 200 and wired charging module 110 pass through type-c interface phase interfix Realization connection is connect, to realize wired charger 200 by wired charging module 110 and public charging management chip 120 for battery The purpose of 14 chargings.
Incorporated by reference to Fig. 6, Fig. 6 is the structural schematic diagram of wireless charging module provided by the embodiments of the present application.The wireless charging Module 130 may include wireless receiving coil 1308, match circuit 1307 and wireless conversion chip 1309.
Wherein, the inner surface in the rear cover of electronic equipment 10, wireless receiving coil can be set in wireless receiving coil 1308 1308 can be embedded into inside rear cover, or cover after and open up through-hole, and receiving coil 1308 is arranged in through-hole.Wirelessly The output end 13081 of receiving coil 1308 is connect with the input terminal 13071 of match circuit 1307, the output end of match circuit 1307 13072 connect with the input terminal 13091 of wireless conversion chip 13091, the output end 13092 of wireless conversion chip 1309 and wireless The input terminal 1401 of charging management chip 140 connects.
Wherein, match circuit 1307 is for tuning 1308 received signal of wireless receiving coil.Wherein, core is wirelessly converted AC signal can be converted into direct current signal by piece 1309.Wireless conversion chip 1309 can also carry out received signal Filtering, to filter out unwanted signal.
From the foregoing, it will be observed that when user using wireless charging module 130 be battery 14 charge when, by wireless charger with wirelessly connect Take-up circle 1308 is aligned, and wireless receiving coil 1308 can receive the electricity that wireless charger is emitted by way of wireless receiving Magnetostatic wave signal, i.e. wireless receiving coil 1308 can receive electromagnetic wave signal.Then, wireless receiving coil 1308 can will receive To electromagnetic wave signal be converted into AC signal, and the AC signal is transferred to wireless conversion chip 1309, wirelessly converts core Electromagnetic wave signal can be formed direct current signal by the modes such as converting, filtering by piece 1309, and be transmitted to wireless charging management core Piece 140, wireless charging managing chip 140 can will convert and filtering after the direct current signal that is formed charge into battery 14.
It is understood that for low-power wireless charging, for example power is less than in actual wireless charging process 5w, since power itself is small, wireless receiving coil 1308, wireless conversion chip 1309 and wireless charging managing chip 140 exist Fever in charging process all will not be serious, can continue to carry out wireless charging.But since power is small, charging rate is slower.
And for high-power wireless charging, for example power is greater than 7.5w or power and is greater than 10w, due to power compared with Greatly, charging rate is fast.In actual wireless charging process, continue high-power wireless charging a period of time (such as more than ten minutes, or Person twenties minutes) wireless receiving coil 1308, wireless conversion chip 1309 and wireless charging managing chip 140 will be made Overheat especially causes wireless charging managing chip 140 to overheat, it is necessary to be filled using intermittent wireless charging mode or reduction Electrical power cools down to wireless charging managing chip 140 to realize, guarantees the safety of charging process.
It should be noted that charging in order to ensure battery 14 can be continuously under high-power, without being filled using intermittence The mode of electricity, the embodiment of the present application wireless charging managing chip 140 can be two, or multiple.Two or more nothings Line charging management chip 140 is in parallel, and two or more wireless charging managing chips 140 charge jointly for battery 14, is actually filling In electric process, two or more wireless charging managing chips 140 mutually dispersion heat substantially reduces single wireless charging management core The heat of piece 140, so as in the case where guaranteeing high-power wireless charging, it is ensured that single wireless charging managing chip 140 Temperature it is not too high, can using powerful mode be continuously battery 14 carry out wireless charging.
In some embodiments, wireless charging managing chip 140 can be two, two wireless charging managing chips 140 It is in parallel.Referring to Fig. 7, Fig. 7 is second of structural schematic diagram of charging circuit provided by the embodiments of the present application.Two wireless chargings Managing chip 140 can be respectively the first wireless charging managing chip 141 and the second wireless charging managing chip 142.
Wherein, the first output end of the input terminal 1411 of the first wireless charging managing chip 141 and wireless charging module 130 1301 connections, the output end 1412 of the first wireless charging managing chip 141 are connect with battery 14.Wherein, the second wireless charging fulgurite The input terminal 1421 of reason chip 142 is connect with the first output end 1301 of wireless charging module 130, and the second wireless charging manages core The output end 1422 of piece 142 is connect with battery 14.
In some embodiments, the model of the first wireless charging managing chip 141 and the second wireless charging managing chip 142 Can be identical, the input signal of the input signal of the first wireless charging managing chip 141 and the second wireless charging managing chip 142 Can be identical, the output signal of the output signal of the first wireless charging managing chip 141 and the second wireless charging managing chip 142 It can be identical.In actual wireless charging process, the first wireless charging managing chip 141 and the second wireless charging managing chip 142 input power and output power can be identical, the first wireless charging managing chip 141 and the second wireless charging managing chip 142 heat condition can be identical, avoids the occurrence of a wireless charging managing chip 140 and generates heat seriously, and another wireless charging The athermic situation of electric managing chip 140.
From the foregoing, it will be observed that passing through the first wireless charging managing chip 141 and second during the embodiment of the present application wireless charging Wireless charging managing chip 142 can mutually disperse heat, it can be ensured that under persistently high-power charging situation, the first wireless charging Electric managing chip 141 and the second wireless charging managing chip 142 will not overheat, and guarantee the safety of charging circuit 100.
It should be noted that the first wireless charging managing chip 141 and the second wireless charging managing chip 142 can be simultaneously For the charging of battery 14, can also partially charge for battery 14.It specifically can be according to the fever of each wireless charging managing chip 140 Situation and user demand are selected.
It should be noted that the embodiment of the present application wireless charging managing chip 140 is not limited to this, referring to Fig. 8, Fig. 8 For the third structural schematic diagram of charging circuit provided by the embodiments of the present application.Wireless charging managing chip 140 can also include Third wireless charging managing chip 143, third wireless charging managing chip 143 respectively with the first wireless charging managing chip 141 It is in parallel with the second wireless charging managing chip 142, the input terminal 1431 and wireless charging mould of third wireless charging managing chip 143 First output end 1301 of block 130 connects, and the output end 1432 of third wireless charging managing chip 143 is connect with battery 14.
It follows that the first wireless charging managing chip 141, the second wireless charging can be passed through during wireless charging Electric managing chip 142 and third wireless charging managing chip 143 charge jointly for battery 14, may be implemented more high-power for electricity Pond 14 is charged, such as power 15w.
It should be noted that wireless charging managing chip 140 can also include the 4th wireless charging managing chip or more Wireless charging managing chip.This is no longer going to repeat them.
It should also be noted that, the first wireless charging managing chip 141, the second wireless charging managing chip 142 and the Three wireless charging managing chips 143 can charge simultaneously for battery 14, can also partially charge for battery 14.It specifically can basis The heat condition of each wireless charging managing chip 140 and user demand are selected.
In some embodiments, wireless charging module 130 further includes second output terminal 1302, wireless charging module 130 Second output terminal 1302 is connect with the input terminal 1201 of public charging management chip 120.130 output signal of wireless charging module When voltage is greater than first voltage threshold value, the output signal of wireless charging module 130 is exported by the first of wireless charging module 130 1301 output of end.When the voltage of 130 output signal of wireless charging module is less than or equal to first voltage threshold value, wireless charging module 130 output signal is exported by second output terminal 1302.
From the foregoing, it will be observed that when the voltage of 130 output signal of wireless charging module is greater than first voltage threshold value, wireless charging module 130 output signal is charged by least two wireless charging managing chips 140 to battery 14, and at least two wireless chargings are passed through Managing chip 140 disperses fever, to reduce the temperature rise of wireless charging managing chip 140, improves wireless charging managing chip 140 efficiency and service life.Wired charging module 110 can also give battery 14 by public charging management chip 120 simultaneously Charging may be implemented wired and wireless while charge to battery 14, accelerates charge efficiency, shorten the charging time.Wireless charging mould When the voltage of 130 output signal of block is less than or equal to first voltage threshold value, the output signal of wireless charging module 130 passes through public Charging management chip 120 charges the battery, and reduces the use to wireless charging managing chip 140, reduces wireless charging and manages core The temperature rise of piece 140.It is divided into two stages during wireless charging, one is the 130 low-voltage output stage of wireless charging module (such as voltage is 5V), walks public charging management chip 120 for the output signal of wireless charging module 130 at this time, the other is 130 high voltage output stage of wireless charging module (such as voltage is 9V or 12V), at this time by the output of wireless charging module 130 Signal walks wireless charging managing chip 140, reduces the temperature rise of wireless charging managing chip 140.Wherein first voltage threshold value can be with According to actual needs, for example, first voltage threshold value can be 5V or 9V, or 5.5V or 8.5V.
During carrying out wireless charging to battery 14, when the electricity of battery 14 is lower than default power threshold, advanced Row low current or low power charging, at this point it is possible to by the output signal of wireless charging module 130 through public charging management chip 120 charge to battery 14.When the electricity of battery 14 is greater than default power threshold, high current or high-power charging can be carried out, At this point it is possible to which the output signal of wireless charging module 130 is charged through multiple wireless charging managing chips 140 to battery 14.Such as This, it is possible to reduce using the time of wireless charging managing chip 140, optimize the temperature rise of wireless charging managing chip 140.It is wherein pre- If power threshold refers to the minimum amount of power that electronic equipment can be made to be switched on.Default power threshold may be the minimum of battery 14 Electricity is protected, carrying out large current charge less than the protection electricity can cause damages to the performance of battery 14.In addition, working as electronic equipment It is also required to first carry out low current charge under off-mode.
Referring to Fig. 9, Fig. 9 is the 4th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.The wireless charging Electric module 130 include at least two first output ends 1301 and a second output terminal 1302, second output terminal 1302 with it is public Charging management chip 120 connects, and at least two first output ends 1301 and at least two wireless charging managing chip 140 1 are a pair of It should connect.
When the voltage of 130 output signal of wireless charging module be greater than first voltage threshold value when, wireless charging module 130 it is defeated Signal selects at least one first output end to export from least two first output ends 1301 out, and wireless charging module 130 is defeated When the output voltage of signal is less than or equal to first voltage threshold value out, the output signal of wireless charging module 130 is from wireless charging The second output terminal 1302 of module 130 exports.
Wireless charging module 130 directly include at least two first output ends 1301, the first output end 1301 directly with nothing Line charging management chip 140 connects, and corresponds.Several wireless chargings directly can be selected by wireless charging module 130 Managing chip.For example, wireless charging module 130 includes 3 the first output ports 1301, the output of wireless charging module 130 is believed It number can only be exported from 2 the first output ports 1301, output by controlling the first output port 1301 whether is several to select A wireless charging managing chip charges to battery 14.Wireless charging module 130 may include wireless conversion chip, wirelessly convert core Piece includes at least two first output ends 1301 and a second output terminal 1302.
Referring to Fig. 10, Figure 10 is the 5th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.This is wireless Charging module 130 includes wireless conversion chip 1309 and control switch 1310.
The input terminal of the output end connection control switch 1310 of wireless conversion chip 1309.The first of control switch 1310 opens Close output end connect with the input terminal of at least two wireless charging managing chips 140, the second output terminal of control switch 1310 and The input terminal 1201 of public charging management chip 120 connects.
When the voltage of 1310 input signal of control switch is greater than first voltage threshold value, the input terminal of control switch 1310 and control The first switch output end conducting for making switch 1310, when the voltage of 1310 input signal of control switch is less than first voltage threshold value, The input terminal of control switch 1310 is connected with the second output terminal of control switch 1310.
1309 output end of wireless conversion chip of wireless charging module 130 exports an electric signal, which passes through control Making switch 1310 selects public charging management chip 120 or wireless charging managing chip 140 to charge to battery 14.
Figure 11 is please referred to, Figure 11 is the 6th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.The charging Circuit further includes temperature detector 160 and controller 170.
Specifically, the input terminal 1601 of temperature detector 160 is connect with each wireless charging managing chip 140, temperature inspection The output end 1602 for surveying device 160 is connect with the input terminal 1702 of controller 170, the output end 1701 of controller 170 and each nothing The control terminal 1403 of line charging management chip 140 connects.
Temperature detector 160 and each wireless charging managing chip 140 are all connected with and obtain its temperature value.Controller 170 It is connect with temperature detector 160, controller 170 controls wireless charging managing chip according to the temperature value that temperature detector detects 140 working condition.
Temperature detector 160 can be used to detect the temperature of each wireless charging managing chip 140,170 basis of controller The temperature of each wireless charging managing chip 140 controls each wireless charging managing chip 140, such as controls wireless charging Managing chip 140 is in running order or idle state, and wherein idle state can be understood as break-off or stop working.
In some embodiments, when the wireless charging managing chip 140 at least two wireless charging managing chips 140 When temperature is greater than the first temperature threshold, the wireless charging managing chip 140 that controller control temperature is greater than the first temperature threshold is cut Change to idle state;When the temperature for the wireless charging managing chip 140 being in idle condition is lower than second temperature threshold value, control The wireless charging managing chip 140 being in idle condition is switched to working condition by device, wherein second temperature threshold value is less than first Temperature threshold.
Controller is controlled according to the temperature of wireless charging managing chip 140, when wherein have wireless charging fulgurite manage chip When 140 temperature is greater than the first temperature threshold, illustrate that Current Temperatures are higher, wireless charging managing chip 140 is be easy to cause to damage Or reduced performance, then the wireless charging managing chip 140 that temperature is greater than the first temperature threshold can be switched to idle state, with Make its cooling.The temperature of real-time detection wireless charging managing chip 140, when the wireless charging managing chip being in idle condition When 140 temperature is reduced to second temperature threshold value, then controls the wireless charging managing chip 140 being in idle condition and be switched to work Make state, wherein second temperature threshold value is less than the first temperature threshold, in this way, the wireless charging managing chip 140 reworked is not Meeting temperature is at once more than the first temperature threshold, to reenter idle state.First temperature threshold and second temperature threshold value root Different according to different wireless charging managing chips 140, the temperature difference of the two is also set as needed, as temperature difference can be set It is 10 degree, 15 degree etc..
State in some embodiments, when the temperature of at least two wireless charging managing chips 140 is less than third temperature threshold When, controller chooses at least one wireless charging managing chip 140 from least two wireless charging managing chips 140 and is in sky Not busy state, wherein third temperature threshold is less than the first temperature threshold.
When temperature detector detects that the temperature of wireless charging managing chip 140 is both less than third temperature threshold, explanation is worked as The state of preceding wireless charging managing chip 140 is all preferable, at least one wireless charging managing chip can be in idle condition, The wireless charging managing chip 140 of subsequent idle state is lower into working condition initial state temperature, improves subsequent temperature rise.The Three temperature thresholds might be less that second temperature threshold value.
For example, two wireless charging managing chips 140 are all in work shape there are two wireless charging managing chip 140 is total State, when temperature detector detects that the temperature for being currently at two wireless charging managing chips 140 of working condition is less than third When temperature threshold, which is transmitted to controller by temperature detector, and controller controls one of them in running order nothing Line charging management chip 140 is switched to idle state.
Further for example, there are three wireless charging managing chip 140 is total, wherein three wireless charging managing chips 140 or two Wireless charging managing chip 140 is in running order.When temperature detector detects the temperature of all wireless charging managing chips 140 Degree is both less than third temperature threshold, which is transmitted to controller by temperature detector, and controller controls one or two and is in The wireless charging managing chip 140 of working condition is switched to idle state, retains one or two wireless charging managing chip 140 It is in running order.It can temperature according to each wireless charging managing chip 140 and in running order wireless management core Piece quantity is controlled.
In some embodiments, when the temperature of at least two wireless charging managing chips 140 be less than third temperature threshold, and When the input voltage of at least two wireless charging managing chips 140 is less than second voltage threshold value, controller is wireless from least two It chooses at least one wireless charging managing chip in charging management chip 140 to be in idle condition, wherein second voltage threshold value is big In first voltage threshold value.
When temperature detector detects that the temperature of wireless charging managing chip 140 is both less than third temperature threshold, and it is wireless When the input voltage of charging management chip 140 is less than second voltage threshold value, illustrate the state of current wireless charging managing chip 140 All preferably, and input voltage is smaller, and the fever of wireless charging managing chip 140 will not be serious, can be by least one wireless charging Electric managing chip 140 is in idle condition, and when the wireless charging managing chip 140 of subsequent idle state enters working condition, is risen Beginning state temperature is lower, improves subsequent temperature rise.Second voltage threshold value is set as needed, such as can be set as 8V, 10V Deng.
It should be noted that temperature detector 160 can be with individual component, such as temperature sensor, thermo-sensitive resistor, temperature inspection Surveying device 160 also can be set in the inside of wireless charging managing chip 140, that is, wireless charging managing chip 140 is internally integrated temperature Spend detector 160.
Figure 12 is please referred to, Figure 12 is the 7th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.The charging Circuit further includes reduction voltage circuit 180 and selection switch 190.
The input terminal of switch 190 is selected to connect the input terminal of at least two wireless charging managing chips 140, selection switch 190 output ends are connect by reduction voltage circuit 180 with the input terminal 1201 of public charging management chip 120.
When the temperature of at least two wireless charging managing chips 140 is greater than the first temperature threshold, at least two nothings are controlled Line charging management chip 140 is in idle condition, and control selections switch 190 is connected;When at least two wireless chargings manage core When the temperature of a wireless charging managing chip 140 is not more than the first temperature threshold in piece 140, controller control selections switch 190 disconnect.
When the temperature for detecting all wireless charging managing chips 140 is both greater than the first temperature threshold, need institute Some wireless charging managing chips 140 are switched to idle state, in this way, the radio channel to charge to battery 14 can not continue to electricity Pond charging.At this point, the element conductive that will select 190 both ends of switch, i.e., lead to the electric signal for inputting wireless charging managing chip 140 It crosses reduction voltage circuit 180 and inputs public charging management chip 120, continue to charge the battery, the empty window without will cause battery charging Phase, that is, some period does not give battery 14 to charge.
In some embodiments, select switch 190 and the position of reduction voltage circuit 180 that can exchange.
Figure 13 is please referred to, Figure 13 is the 8th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.The charging Circuit wired charging module 110, public charging management chip 120, load switch 150, wireless charging module 130, controller 170 With wireless charging managing chip 140.
The input terminal 1101 of wired charging module 110 is used to connect the output end of wired charger, wired charging module 110 Output end 1102 connect with the first input end 1501 of load switch 150, the output end 1503 of load switch 150 connects public The input terminal of charging management chip 120, the output end 1202 of public charging management chip 120 with connect battery 14.
Second input terminal 1502 of the first output end 1301 connection load switch 150 of wireless charging module 130, wireless charging The input terminal 1401 of at least two wireless charging managing chips 140 of connection of second output terminal 1302 of electric module 130, at least two The output end 1402 of wireless charging managing chip 140 connects battery 14.
Multiple output ends 1701 of control 170 are separately connected the control terminal 13/3 of wireless charging module 130, wireless charging fulgurite Manage control terminal 1403, the control terminal 1203 of public charging management chip 120 of chip 140.Controller 170 can control wireless charging Electric module 130, wireless charging managing chip 140 and public charging management chip switch between working condition and idle state Deng.
Two or more public charging management chips 120 can be set in public charging management chip 120, increase thermal diffusivity Energy.
Figure 14 is please referred to, Figure 14 is the flow diagram of charging method provided by the embodiments of the present application.The charging method, is answered For electronic equipment, electronic equipment includes charging circuit and battery, and charging circuit includes wired charging module, public Charge Management Chip, wireless charging module and wireless charging managing chip;The input terminal of wired charging module is for connecting wired charger Output end, the output end of wired charging module are connect with the input terminal of public charging management chip, public charging management chip Output end connects battery;Wireless charging managing chip at least two, the input terminal of each wireless charging managing chip and wireless First output end of charging module connects, and the output end of each wireless charging managing chip connects battery;Wireless charging module Second output terminal is connect with the input terminal of public administration chip.The charging method specifically includes:
101, when the voltage of wireless charging module output signal is greater than first voltage threshold value, the output of wireless charging module Signal is exported by the first output end of wireless charging module.
102, when the voltage of wireless charging module output signal is less than or equal to first voltage threshold value, wireless charging module Output signal pass through second output terminal export.
In some embodiments, 102 the step of after, this method further include: obtain at least two wireless chargings manage core The temperature of each wireless charging managing chip in piece;At least two wireless charging managing chip working conditions are controlled according to temperature.
Specifically, when the temperature of the wireless charging managing chip at least two wireless charging managing chips is greater than the first temperature When spending threshold value, the wireless charging managing chip that control temperature is greater than the first temperature threshold is in idle condition;When in idle shape When the temperature of the wireless charging managing chip of state is lower than second temperature threshold value, the wireless charging managing chip that will be in idle condition It is switched to working condition, wherein second temperature threshold value is less than the first temperature threshold.
When the temperature of at least two wireless charging managing chips is less than third temperature threshold, from least two wireless chargings It chooses at least one wireless charging managing chip in managing chip to be in idle condition, wherein third temperature threshold is less than first Temperature threshold.Third temperature threshold might be less that second temperature threshold value.
The embodiment of the present application also provides a kind of storage medium, which is stored with computer program, when the computer When program is run on computers, so that the computer executes the processing method of the touch information in any of the above-described embodiment, than Such as: when the voltage of wireless charging module output signal is greater than first voltage threshold value, the output signal of wireless charging module passes through First output end of wireless charging module exports;When the voltage of wireless charging module output signal is less than or equal to first voltage threshold When value, the output signal of wireless charging module is exported by second output terminal.
In the embodiment of the present application, storage medium can be magnetic disk, CD, read-only memory (Read Only Memory, ) or random access memory (Random Access Memory, RAM) etc. ROM.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment Point, reference can be made to the related descriptions of other embodiments.
Above to a kind of charging circuit, electronic equipment, charging method and storage medium provided by the embodiment of the present application into It has gone and has been discussed in detail, specific examples are used herein to illustrate the principle and implementation manner of the present application, the above implementation The explanation of example is merely used to help understand the present processes and its core concept;Meanwhile for those skilled in the art, according to According to the thought of the application, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification It should not be construed as the limitation to the application.

Claims (12)

1. a kind of charging circuit is applied to electronic equipment, which is characterized in that including wired charging module, public Charge Management core Piece, wireless charging module and wireless charging managing chip, in which:
The input terminal of the wired charging module is used to connect the output end of wired charger, the output of the wired charging module End is connect with the input terminal of the public charging management chip, and the output end of the public charging management chip is for connecting electricity Pond;
The wireless charging managing chip at least two, the input terminal of each wireless charging managing chip and described wireless First output end of charging module connects, and the output end of each wireless charging managing chip is used to connect battery,
The second output terminal of the wireless charging module is connect with the input terminal of the public charging management chip, the wireless charging When the voltage of electric module output signal is greater than first voltage threshold value, the output signal of the wireless charging module passes through described wireless First output end of charging module exports, and the voltage of the wireless charging module output signal is less than or equal to first voltage threshold value When, the output signal of the wireless charging module is exported by the second output terminal of the wireless charging module.
2. charging circuit as described in claim 1, which is characterized in that the wireless charging module includes at least two first defeated Outlet and a second output terminal, the second output terminal are connect with the public charging management chip, and described at least two One output end connects one to one at least two wireless chargings managing chip;
When the voltage of the wireless charging module output signal is greater than first voltage threshold value, the output letter of the wireless charging module At least one first output end number is selected to export from least two first output end, the wireless charging module output letter Number output voltage when being less than or equal to first voltage threshold value, the output signal of the wireless charging module is from the wireless charging The second output terminal of module exports.
3. charging circuit as described in claim 1, which is characterized in that the wireless charging module include wireless conversion chip and Control switch;
The output end of the wireless conversion chip connects the input terminal of the control switch;
The first switch output end of the control switch is connect with the input terminal of at least two wireless chargings managing chip, institute The second output terminal for stating control switch is connect with the input terminal of the public charging management chip;
When the voltage of the control switch input signal is greater than first voltage threshold value, the input terminal of the control switch and the control The first switch output end conducting of system switch, it is described when the voltage of the control switch input signal is less than first voltage threshold value The input terminal of control switch is connected with the second output terminal of the control switch.
4. charging circuit as described in claim 1, which is characterized in that the charging circuit further includes temperature detector and control Device;
The temperature detector and each wireless charging managing chip are all connected with and obtain its temperature value;
The controller is connect with the temperature detector, and the controller is all connected with the wireless charging managing chip, institute State the working condition that controller controls the wireless charging managing chip according to the temperature value that the temperature detector detects.
5. charging circuit as claimed in claim 4, which is characterized in that when in at least two wireless chargings managing chip When the temperature of wireless charging managing chip is greater than the first temperature threshold, the controller control temperature is greater than the first temperature threshold Wireless charging managing chip is switched to idle state;
When the temperature for the wireless charging managing chip being in idle condition is lower than second temperature threshold value, the controller will be described The wireless charging managing chip being in idle condition is switched to working condition, wherein the second temperature threshold value is less than described the One temperature threshold.
6. charging circuit as claimed in claim 5, which is characterized in that when the temperature of at least two wireless chargings managing chip When degree is less than third temperature threshold, the controller chooses at least one nothing from at least two wireless chargings managing chip Line charging management chip is in idle condition, wherein the third temperature threshold is less than the first temperature threshold.
7. charging circuit as claimed in claim 5, which is characterized in that when the temperature of at least two wireless chargings managing chip Degree is less than third temperature threshold, and the input voltage of at least two wireless chargings managing chip is less than second voltage threshold value When, the controller is chosen at least one wireless charging managing chip from at least two wireless chargings managing chip and is in Idle state, wherein for the third temperature threshold less than the first temperature threshold, the second voltage threshold value is greater than first electricity Press threshold value.
8. charging circuit as claimed in claim 4, which is characterized in that the charging circuit further includes that reduction voltage circuit and selection are opened It closes;
The input terminal of the selection switch connects the input terminal of at least two wireless chargings managing chip, the selection switch Output end is connect by the reduction voltage circuit with the input terminal of the public charging management chip;
When the temperature of at least two wireless chargings managing chip is greater than the first temperature threshold, described in the controller control At least two wireless charging managing chips are switched to idle state, and control the selection switch conduction;
When the temperature of a wireless charging managing chip in at least two wireless chargings managing chip is less than first temperature When spending threshold value, the controller controls the selection switch and disconnects.
9. a kind of electronic equipment, which is characterized in that including battery and charging circuit, the charging circuit such as claim 1-8 appoints Charging circuit described in one.
10. a kind of charging method, it is applied to electronic equipment, which is characterized in that the electronic equipment includes charging circuit and battery, The charging circuit includes wired charging module, public charging management chip, wireless charging module and wireless charging managing chip;
The input terminal of the wired charging module is used to connect the output end of wired charger, the output of the wired charging module End is connect with the input terminal of the public charging management chip, and the output end of the public charging management chip connects battery;
The wireless charging managing chip at least two, the input terminal of each wireless charging managing chip and described wireless First output end of charging module connects, and the output end of each wireless charging managing chip connects battery;
The second output terminal of the wireless charging module is connect with the public administration chip input terminal;
The described method includes:
When the voltage of the wireless charging module output signal is greater than first voltage threshold value, the output of the wireless charging module Signal is exported by the first output end of the wireless charging module;
When the voltage of the wireless charging module output signal is less than or equal to first voltage threshold value, the wireless charging module Output signal exported by the second output terminal.
11. charging method as claimed in claim 10, which is characterized in that further include:
Obtain the temperature of each wireless charging managing chip in at least two wireless chargings managing chip;
At least two wireless chargings managing chip working condition is controlled according to the temperature.
12. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that described program is controlled When device executes, the step of realizing charging method as described in claim 10 or 11.
CN201811023272.8A 2018-09-03 2018-09-03 Charging circuit, electronic device, charging method, and storage medium Active CN109217488B (en)

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WO2021129595A1 (en) * 2019-12-24 2021-07-01 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Electronic device

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