CN109217487A - Charging circuit and electronic equipment - Google Patents
Charging circuit and electronic equipment Download PDFInfo
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- CN109217487A CN109217487A CN201811020573.5A CN201811020573A CN109217487A CN 109217487 A CN109217487 A CN 109217487A CN 201811020573 A CN201811020573 A CN 201811020573A CN 109217487 A CN109217487 A CN 109217487A
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- charging
- charging circuit
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- circuit
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- 238000007600 charging Methods 0.000 title claims abstract description 459
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- 230000001105 regulatory effect Effects 0.000 description 35
- 238000010586 diagram Methods 0.000 description 28
- 230000005611 electricity Effects 0.000 description 16
- 238000004891 communication Methods 0.000 description 10
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- 238000012545 processing Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 230000015654 memory Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 206010037660 Pyrexia Diseases 0.000 description 3
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- 239000011521 glass Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
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- 230000001413 cellular effect Effects 0.000 description 1
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- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
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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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
-
- 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
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- H02J7/025—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
It includes battery that the embodiment of the present application, which provides a kind of charging circuit and electronic equipment, the electronic equipment, and the battery includes the first charging terminal and the second charging terminal, and the charging circuit includes wired charging circuit and wireless charging circuit；The input terminal of the wired charging circuit is used to connect the output end of wired charger, and the output end of the wired charging circuit is connect with first charging terminal, and the output end of the wireless charging circuit is connect with second charging terminal.Charge efficiency can be improved in the embodiment of the present application.
Description
Technical field
This application involves electronic technology field, in particular to a kind of charging circuit and electronic equipment.
Background technique
With the development of electronic technology, wireless charging technology starts slowly to be applied to terminal, such as: mobile phone, tablet computer
Or remote control equipment etc. includes the terminal of battery.Since terminal is not needed through wired connection power supply, side during wireless charging
Using wireless charger different location be terminal charge.Wireless charging and wired charging are generally split up into battery charging, in reality
It charges in the charging process of border for the same terminal of battery.Since wireless charging power is small, if increasing power will lead to wireless charging
Electricity fever is serious, threatens to the safety of charging circuit and battery, once because wireless charging causes to damage due to circuit fever is serious
Bad charging circuit will lead to entire charging circuit damage.
Summary of the invention
The embodiment of the present application provides a kind of charging circuit and electronic equipment, and the charge efficiency of battery can be improved.
The embodiment of the present application provides a kind of charging circuit, is applied to electronic equipment, the electronic equipment includes battery, described
Battery includes the first charging terminal and the second charging terminal, and the charging circuit includes wired charging circuit and wireless charging electricity
Road；
The input terminal of the wired charging circuit is used to connect the output end of wired charger, the wired charging circuit
Output end is connect with first charging terminal, and the output end of the wireless charging circuit is connect with second charging terminal.
The embodiment of the present application provides a kind of electronic equipment, including charging circuit, and the charging circuit is above-described fills
Circuit.
In the embodiment of the present application, a charging terminal of wired charging circuit and battery is connected, and wired charging circuit can be with
It is individually for battery charging, another charging terminal connection of wireless charging circuit and battery, wireless charging circuit can be individually for electricity
Pond charging.Wired charging circuit and wireless charging circuit can charge jointly for battery, and charge efficiency can be improved.
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.
Fig. 1 is the structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Fig. 2 is the structural block diagram of electronic equipment provided by the embodiments of the present application.
Fig. 3 is the first structure diagram of charging circuit provided by the embodiments of the present application.
Fig. 4 is the second structural schematic diagram of charging circuit provided by the embodiments of the present application.
Fig. 5 is the third 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 the 4th structural schematic diagram of charging circuit provided by the embodiments of the present application.
Fig. 8 is the 5th structural schematic diagram of charging circuit provided by the embodiments of the present application.
Fig. 9 is the 6th structural schematic diagram of charging circuit provided by the embodiments of the present application.
Figure 10 is the 7th structural schematic diagram of charging circuit provided by the embodiments of the present application.
Figure 11 is the 8th structural schematic diagram of charging circuit provided by the embodiments of the present application.
Figure 12 is the 9th structural schematic diagram of charging circuit provided by the embodiments of the present application.
Figure 13 is the tenth structural schematic diagram of charging circuit provided by the embodiments of the present application.
Figure 14 is the 11st structural schematic diagram of charging circuit provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description.Obviously, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall in the protection scope of this application.
In the description of the present application, term " first ", " second " are used for description purposes only, and should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The feature of " first ", " second " is defined as a result,
It can explicitly or implicitly include one or more feature.In the description of the present application, the meaning of " plurality " is
Two or more, unless otherwise specifically defined.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements or the interaction relationship of two elements.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
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.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of electronic equipment provided by the embodiments of the present application.Electronic equipment 10 can be with
Including shell 11, display screen 12, circuit board 13, battery 14.It should be noted that electronic equipment 10 is not limited to the above content.
Wherein, shell 11 can form the exterior contour of electronic equipment 10.In some embodiments, shell 11 can be gold
Belong to the metals such as shell, such as magnesium alloy, stainless steel.It should be noted that the material of the embodiment of the present application shell 11 is not limited to
This, can also use other way, such as: shell 11 can be plastic casing, ceramic shell, glass shell etc..
Wherein, display screen 12 is mounted in shell 11.Display screen 12 is electrically connected on circuit board 13, to form electronic equipment
10 display surface.In some embodiments, non-display area can be set in the display surface of electronic equipment 10, such as: electronic equipment
10 top or/and bottom end can form non-display area, i.e. electronic equipment 10 is formed on the top of display screen 12 or/and lower part
Non-display area, electronic equipment 10 can install the devices such as camera, receiver in non-display area.It should be noted that electric
The display surface of sub- equipment 10 can also be not provided with non-display area, i.e. display screen 12 can be screen comprehensively.Display screen can be spread
It is located at the entire display surface of electronic equipment 10, so that display screen can be displayed in full screen in the display surface of electronic equipment 10.
Wherein, display screen 12 can be the shape of rule, such as rectangular parallelepiped structure, round rectangle structure, display screen 12
It can be irregular shape.
Wherein, display screen 12 can be liquid crystal display, organic light emitting diode display, electronic ink display, etc.
Ion display, one or several kinds of combination in the display using other display technologies.Display screen 12 may include touching
Sensor array (that is, display screen 12 can be touching display screen).Touch sensor can be by transparent touch sensor electricity
The capacitive touch sensors that pole (such as tin indium oxide (ITO) electrode) array is formed, or can be and use other touch skills
The touch sensor that art is formed, such as sound wave touch-control, pressure sensible touch, resistive touch, optical touch etc., the embodiment of the present application is not made
Limitation.
It should be noted that in some embodiments, can cover on the display 12 and set a cover board, cover board can be covered on
On display screen 12, display screen 12 is protected.Cover board can be transparent glass cover plate, so that display screen 12 is carried out through cover board
Display.In some embodiments, cover board can be the glass cover-plate made of the materials such as sapphire.
In some embodiments, after display screen 12 is mounted on shell 11, storage is formed between shell 11 and display screen 12
Space, storage space can store device of electronic equipment 10, such as circuit board 13, battery 14 etc..
Wherein, circuit board 13 is mounted in shell 11, and circuit board 13 can be the mainboard of electronic equipment 10, on circuit board 13
Motor, microphone, loudspeaker, earphone interface, Universal Serial Bus Interface, camera, range sensor, environment are can integrate
One in the function elements such as optical sensor, receiver and processor, it is two or more.
In some embodiments, circuit board 13 can be fixed in shell 11.Specifically, circuit board 13 can pass through screw
It is screwed on shell 11, card can also be fitted on shell 11 by the way of buckle.It should be noted that the embodiment of the present application is electric
The specific mode fixed on shell 11 of road plate 13 is not limited to this, can be with other way, for example is passed through buckle and screw and be total to
With fixed mode.
Wherein, battery 14 is mounted in shell 11, and battery 11 is electrically connected with circuit board 13, to mention to electronic equipment 10
Power supply source.Shell 11 can be used as the battery cover of battery 14.Shell 11 covers battery 14 to protect battery 14, reduce battery 14 by
Collision, the damage falling etc. and be subject in electronic equipment 10.
Referring to Fig. 2, Fig. 2 is the structural block diagram of electronic equipment provided by the embodiments of the present application.Electronic equipment 10 can wrap
Storage and processing circuit 131 is included, storage and processing circuit 131 can integrate on circuit board 13.Storing and processing circuit 131 can
To include memory, such as hard drive memory, nonvolatile memory (such as flash memory or it is used to form solid state drive
Other electrically programmable read only memories etc.), volatile memory (such as either statically or dynamically random access memory etc.) etc., this
Apply for embodiment with no restriction.Processing circuit in storage and processing circuit 131 can be used for the operating of controlling electronic devices 10.
Processing circuit can microprocessor based on one or more, microcontroller, digital signal processor, baseband processor, power tube
Manage unit, audio codec chip, specific integrated circuit, display-driver Ics etc. realize.
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 may include input-output circuit 132, and input-output circuit 132 can be set in circuit board 13
On.Input-output circuit 132 can be used for making electronic equipment 10 to realize outputting and inputting for data, i.e., permission electronic equipment 10 from
Outer equipment receiving data and also permission electronic equipment 10 export data to external equipment from electronic equipment 10.Input-output
Circuit 132 may further include sensor 1321.Sensor 1321 may include ambient light sensor, based on light and capacitor
Proximity sensor, touch sensor is (for example, be based on light touch sensor and/or capacitive touch sensors, wherein touch and pass
Sensor can be a part of touching display screen, can also be used as a touch sensor arrangement and independently uses), acceleration sensing
Device, temperature sensor and other sensors etc..
Electronic equipment 10 may include audio component 1322, and audio component 1322 can be set on circuit board 13.Audio
Component 1323 can be used for providing audio input and output function for electronic equipment 10.Audio component 1322 in electronic equipment 10
It may include loudspeaker, microphone, buzzer, tone generator and other components for being used to generate and detect sound.
Electronic equipment 10 may include telecommunication circuit 1323, and telecommunication circuit 1323 can be set on circuit board 13.Communication
Circuit 1323 can be used for providing the ability with external device communication for electronic equipment 10.Telecommunication circuit 1323 may include simulation
With digital input-output interface circuit, and the radio communication circuit based on radiofrequency signal and/or optical signal.Telecommunication circuit 1323
In radio communication circuit may include radio-frequency transceiver circuitry, power amplifier circuit, low-noise amplifier, switch and filtering
Device.For example, the radio communication circuit in telecommunication circuit 1323 may include for by emitting and receiving near-field coupling electricity
Magnetic signal supports the circuit of near-field communication (Near Field Communication, NFC).For example, telecommunication circuit 1323 can
To include near-field communication aerial and near-field communication transceiver.Telecommunication circuit 1323 can also include cellular telephone transceiver, wirelessly
Local area network transceiver circuit etc..
Electronic equipment 10 may include power management circuitry and other input-output units 1324.Input-output unit
1324 may include button, control stick, click wheel, scroll wheel, touch tablet, keypad, keyboard, camera, light emitting diode and
Other positioning indicators etc..
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.
Electronic equipment 10 may include charging circuit 100.Charging circuit 100 can fill for the battery 14 of electronic equipment 100
Electricity.Charging circuit 100 can be charged by way of wired charging for battery 14, can also be electricity by way of wireless charging
It charges in pond 14.
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. 3, Fig. 3 is the first structure diagram of charging circuit provided by the embodiments of the present application.Charging circuit 100
It is connect with battery 14, charging circuit 100 is used to charge for battery 14.Wherein, the tool of battery 14 is there are two charging terminal, herein can be with
It is named as the first charging terminal 141 and the second charging terminal 142, the first charging terminal 141 and the second charging terminal 142 can be set
It sets in the same end of battery 14, also can be set in different ends.Wherein, charging circuit 100 may include: wired charging electricity
Road 110 and wireless charging circuit 120.
Wherein, the input terminal of wired charging circuit 110 is used to connect the output end of wired charger, wired charging circuit
Output end is connect with the first charging terminal 141 of battery 14.Wired charging circuit 110 can be by the first charging terminal 141
Battery 14 charges.
Referring to Fig. 4, Fig. 4 is the second structural schematic diagram of charging circuit provided by the embodiments of the present application.Wired charging electricity
Road 110 may include wired charging module 111 and wired charging managing chip 112.The input terminal of wired charging module 111 can be with
It is connect with the output end of wired charger, the output end of wired charging module 111 and the input terminal of wired charging managing chip 112
Connection, the output end of wired charging managing chip 112 are connect with the first charging terminal 141 of battery 14.
It follows that when user using wired charging module 111 be battery 14 charge when, can by wired charger with have
Line charging module 111 is mutually inserted, for example wired charger and wired charging module 111 are mutually inserted reality by type-c interface
It now connects, to realize what wired charger was charged by wired charging module 111 and wired charging managing chip 112 for battery 14
Purpose.
In some embodiments, wired charging managing chip 112 can be one, or two or more.It please join
Fig. 5 is read, Fig. 5 is the third structural schematic diagram of charging circuit provided by the embodiments of the present application.Two wired charging managing chips 112
It is in parallel.The input signal and output signal of two wired charging managing chips 112 are identical, two wired charging managing chips
112 input current is identical with output electric current, realizes and shunts, in the case where keeping 110 general power of wired charging circuit constant,
The power that can reduce single wired charging managing chip 112 reduces the heat of single wired charging managing chip 112.
Wherein, the output end of wireless charging circuit 120 is connect with the second charging terminal 142 of battery 14.Wireless charging electricity
Road 120 can be the charging of battery 14 by the second charging terminal 142.As shown in figure 4, wireless charging circuit 120 may include nothing
Line charging module 121 and wireless charging managing chip 122, the output end and wireless charging managing chip of wireless charging module 121
122 input terminal connection, the output end of wireless charging managing chip 122 are connect with the second charging terminal 142 of battery 14.
Referring to Fig. 6, Fig. 6 is the structural schematic diagram of wireless charging module provided by the embodiments of the present application.Wireless charging mould
Block 121 may include wireless receiving coil 1211, match circuit 1212 and wireless conversion chip 1213.Wireless receiving coil 121
Output end connect with the input terminal of match circuit 1212, the output end of match circuit 1212 is defeated with wireless conversion chip 1213
Enter end connection, the output end of wireless conversion chip 1213 is connect with the input terminal of wireless charging managing chip 1122.
Wherein, the inner surface in the shell 11 of electronic equipment 10, wireless receiving line can be set in wireless receiving coil 1211
Circle 1211 can be embedded into inside shell 11, or open up through-hole on shell 11, and receiving coil 1211 is arranged in through-hole
It is interior.Match circuit 1212 is for tuning 1211 received signal of wireless receiving coil.Wherein, wireless conversion chip 1213
AC signal can be converted into direct current signal.Wireless conversion chip 1213 can also be filtered received signal,
To filter out unwanted signal.
From the foregoing, it will be observed that when user is that battery 14 charges using wireless charging circuit 120, it can be by wireless charger and nothing
Line receiving coil 1211 is aligned, and wireless receiving coil 1211 can receive wireless charger by way of wireless receiving and be emitted
Electromagnetic wave signal, i.e. the receiving end of wireless receiving coil 1211 can receive electromagnetic wave signal.Then, wireless receiving coil
1211 can be transferred to the electromagnetic wave signal received wireless conversion chip 1213, and wireless conversion chip 1213 can be by electromagnetism
Wave signal forms direct current by the modes such as converting, filtering, and is transmitted to wireless charging managing chip 122, wireless charging management
Chip 122 can will convert and filtering after the direct current that is formed charged by the second charging terminal 142 into battery 14.
The embodiment of the present application wired charging circuit 110 can be the charging of battery 14, wireless charging by the first charging terminal 141
Circuit 120 can be the charging of battery 14 by the second charging terminal 142.Wired charging circuit 110 and wireless charging circuit 120
It is connected respectively on two different charging terminals of battery 14, can individually charge for battery 14, can also be jointly electricity
Pond 14 is charged, so as to improve charge efficiency.In addition, being all connected with compared to wired charging circuit 110 and wireless charging circuit 120
Onto the same charging terminal of battery 14, even if one of terminal in battery 14 damages, another still can be passed through
Charging terminal is the charging of battery 14, further increases charge efficiency.
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 1211, wireless conversion chip 1213 and wireless charging managing chip 122 exist
Fever in charging process all will not be serious, can carry out wireless charging with continued for constant power.But since power is small, charging
Speed 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, persistently the power wireless charging for a period of time (such as more than ten minutes, or
Person twenties minutes) wireless receiving coil 1211, wireless conversion chip 1213 and wireless charging managing chip 122 will be made
Overheat especially causes wireless charging managing chip 122 to overheat, it is necessary to be filled using intermittent wireless charging mode or reduction
Electrical power cools down to wireless charging managing chip 122 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 122 can be two, or multiple.Two or more nothings
Line charging management chip 122 is in parallel, and two or more wireless charging managing chips 122 charge jointly for battery 14.Actually filling
In electric process, two or more wireless charging managing chips 122 mutually dispersion heat substantially reduces single wireless charging management core
The heat of piece 122, so as in the case where guaranteeing high-power wireless charging, it is ensured that single wireless charging managing chip 122
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 122 can be two, two wireless charging managing chips 122
It is in parallel.Referring to Fig. 7, Fig. 7 is the 4th structural schematic diagram of charging circuit provided by the embodiments of the present application.Two wireless charging fulgurites
It is in parallel to manage chip 122, two wireless charging managing chips 122 are connected respectively on the second charging terminal 142 of battery 14, can be with
It charges jointly for battery 14.
Wherein, the model of two wireless charging managing chips 122 can be identical, two wireless charging managing chips 122
Input signal and output signal can be identical.In actual wireless charging process, two wireless charging managing chips 122 it is defeated
Enter power and output power can be identical, for example the input current of two wireless charging managing chips 122 is identical with output electric current,
It realizes and shunts, in the case where keeping 110 general power of wired charging circuit constant, can reduce single wired charging managing chip
112 power reduces the heat of single wired charging managing chip 112.The heat condition of two wireless charging managing chips 122
Can be identical, it avoids the occurrence of a wireless charging managing chip 120 and generates heat seriously, and another wireless charging managing chip 120
Athermic situation.
From the foregoing, it will be observed that during the embodiment of the present application wireless charging, it can phase by two wireless charging managing chips 122
Mutually dispersion heat, it can be ensured that under persistently high-power charging situation, single wireless charging managing chip 122 will not be overheated, and be protected
Demonstrate,prove the safety of charging circuit 100.
It should be noted that the number of the embodiment of the present application wireless charging managing chip 122 is not limited to this, figure is please referred to
8, Fig. 8 be the 5th structural schematic diagram of charging circuit provided by the embodiments of the present application.The number of wireless charging managing chip 122 can
Think three, three wireless charging managing chips 122 are in parallel.Three wireless charging managing chips 122 are connected respectively to second and fill
Electric terminal 142, three wireless charging managing chips 122 can charge jointly for battery 14.It may be implemented more high-power for battery
14 chargings, such as power 15w.
It should be noted that the number of wireless charging managing chip 122 can be four or more.Herein no longer one by one
It repeats.
Referring to Fig. 9, Fig. 9 is the 6th structural schematic diagram of charging circuit provided by the embodiments of the present application.Charging circuit 100
It may include controller 130, the output end of controller 130, the control terminal of controller 130 can be connected respectively to wirelessly in other words
Wireless conversion chip 1211, wireless charging managing chip 122 and wired charging managing chip 112 in charging module 121.Control
Device 130 processed can control 112 work of wireless conversion chip 1211, wireless charging managing chip 122 and wired charging managing chip
Make.
Wherein, controller 130 can be the storage and processing circuit 131 of electronic equipment 100, for example controller 130 can be with
For the processor of electronic equipment 100.It should be noted that controller 130 can also individually be integrated into the mainboard of electronic equipment 100
On.
Referring to Fig. 10, Figure 10 is the 7th structural schematic diagram of charging circuit provided by the embodiments of the present application.Charging circuit
100 may include first detection module 1121 and the second detection detection module 1221.
Wherein, wired charging circuit 110 includes first detection module 1121, and first detection module 1121, which can integrate, to be had
In line charging management chip 112.It should be noted that first detection module 1121 can also be not integrated into wired charging management core
In piece 112, Figure 11 is please referred to, Figure 11 is the 8th structural schematic diagram of charging circuit provided by the embodiments of the present application.First detection
Module 1121 can connect between wired charging managing chip 112 and the first charging terminal 141.
Wherein, first detection module 1121 is used to detect the state of the first charging terminal 141, the first charging terminal 141
State may include normal condition and abnormality.First detection module 1121 can detecte wired charging circuit 110 and battery
14 charging current, first detection module 1121 also can detecte the connection relationship of charging circuit 110 and battery 14.First charging
The normal condition of terminal 141 can be wired charging circuit 110 and the charging current of battery 14 is normal, be also possible to wired charging
Circuit 110 and battery 14 connect normally.The abnormality of first charging terminal 141 can be wired charging circuit 110 and battery
14 charging current is abnormal, for example charging current is excessive, or without charging current；It is also possible to wired charging circuit 110 and electricity
14 malunion of pond is normal, disconnects not as good as connection.
In some embodiments, when first detection module 1121 detects that the first charging terminal 141 is normal condition, control
Device 130 processed can control wired charging circuit 110 as the charging of battery 14.When first detection module 1121 detects the first charging end
When son 141 is abnormality, controller 130 can control wired charging circuit 110 and battery 14 disconnects.Controller 130 may be used also
Alarm signal is sent with the telecommunication circuit 1322 of controlling electronic devices 10, for example sends and is shown on warning message to display screen 12
Show, send warning message for another example and made a sound by loudspeaker, to inform that the first charging terminal of user 141 is abnormal.
Wherein, wireless charging circuit 120 includes the second detection module 1221, and the second detection module 1221 can integrate at it
In in a wireless charging managing chip 122.It should be noted that the second detection module 1221 can also be not integrated into wireless charging
In electric managing chip 122, as shown in figure 11, the second detection module 1221 be can connect in wireless charging managing chip 122 and
Between two charging terminals 142.
Wherein, the second detection module 1221 is used to detect the state of the second charging terminal 142, the second charging terminal 142
State may include normal condition and abnormality.Second detection module 1221 can detecte wireless charging circuit 120 and battery
14 charging current, the second detection module 1221 also can detecte the connection relationship of wireless charging circuit 120 and battery 14.Second
The normal condition of charging terminal 142 can be wireless charging circuit 120 and the charging current of battery 14 is normal, be also possible to wireless
Charging circuit 120 and battery 14 connect normally.The abnormality of second charging terminal 142 can be 120 He of wireless charging circuit
The charging current of battery 14 is abnormal, for example charging current is excessive, or without charging current；It is also possible to wireless charging circuit 120
It is normal with 14 malunion of battery, it is disconnected not as good as connection.
In some embodiments, when the second detection module 1221 detects that the second charging terminal 142 is normal condition, control
Device 130 processed can control wireless charging circuit 120 as the charging of battery 14.When the second detection module 1221 detects the second charging end
When son 142 is abnormality, controller 130 can control wireless charging circuit 120 and battery 14 disconnects.Controller 130 may be used also
Alarm signal is sent with the telecommunication circuit 1322 of controlling electronic devices 10, for example sends and is shown on warning message to display screen 12
Show, send warning message for another example and made a sound by loudspeaker, to inform that the second charging terminal of user 142 is abnormal.
It should be noted that first detection module 1121 can be only arranged in charging circuit 100, and it is not provided with the second detection mould
Block 1221.The second detection module 1221 can be only arranged in charging circuit page 100, and is not provided with first detection module 1121.
From the foregoing, it will be observed that the embodiment of the present application can detecte the shape of the first charging terminal 141 by first detection module 1121
State, and can detecte by the second detection module 1221 state of second charging terminal 142, controller 130 can be according to
The testing result of one detection module 1121 and the second detection module 1221 controls wired charging circuit 110 and wireless charging electricity
Road 120 is the charging of battery 14.Even if detecting that one of charging terminal of battery 14 is abnormal, battery 14 still can be passed through
Another charging terminal is the charging of battery 14, and charge efficiency can be improved.
The above are the embodiment of the present application wired charging circuits 110 and wireless charging circuit 120 to be connected respectively to battery 14
It can be respectively that battery 14 charges on two charging terminals, once one of charging terminal damages, another can also be passed through
Terminal is the charging of battery 14.Such as first charging terminal 141 damage, wireless charging circuit 120 can pass through the second charging terminal
142 charge for battery 14.The second charging terminal 142 damages for another example, and wired charging circuit 110 can pass through the first charging terminal
141 charge for battery 14.
It should be noted that when the damage of the wherein charging terminal of battery 14, be merely able to through wired charging circuit 110 or
Wireless charging circuit 120 is the charging of battery 14, and charging circuit 100 is the alternative reduction that battery 14 charges.For this purpose, the application
Embodiment can increase circuit for regulating and controlling in charging circuit 100 and be regulated and controled.
Figure 12 is please referred to, Figure 12 is the 9th structural schematic diagram of charging circuit provided by the embodiments of the present application.Charging circuit
100 may include wired charging circuit 110, wireless charging circuit 120, controller 130 and circuit for regulating and controlling 140.Wherein, there is line charge
Circuit 110 can be refering to the above wired charging circuit 110.Wherein, wireless charging circuit 120 can be refering to the above wireless charging
Circuit 120.Wherein, controller 130 can be refering to the above controller 130.
Wherein, there are two input terminal, two output ends and control terminals for the tool of circuit for regulating and controlling 140.The first of circuit for regulating and controlling 140 is defeated
Enter end to connect with the output end of wired charging circuit 110, the second input terminal and the wireless charging circuit 120 of circuit for regulating and controlling 140
Output end connection, the first output end of circuit for regulating and controlling 140 are connect with the first charging terminal 141 of battery 14, circuit for regulating and controlling 140
Second output terminal is connect with the second charging terminal 142 of battery 14, the control terminal of circuit for regulating and controlling 130 and the output of controller 130
End connection.In some embodiments, controller 130 can control circuit for regulating and controlling 140, wired to be controlled by circuit for regulating and controlling 140
Charging circuit 110 and wireless charging circuit 120 are attached with battery 14.Circuit for regulating and controlling 140 is used for wired charging circuit 110
Output end be connected to the first output end or second output terminal of circuit for regulating and controlling 140.Circuit for regulating and controlling 140 is also used to wireless charging
The output end of circuit 120 is connected to the first output end or second output terminal of circuit for regulating and controlling 130.
Specifically, the first input end of circuit for regulating and controlling 130 is connect with the output end of wired charging managing chip 112, regulation
Second input terminal of circuit 130 is connect with the output end of wireless charging managing chip 122.In some embodiments, circuit for regulating and controlling
130 for connecting the first output end of the output end of wired charging managing chip 112 and circuit for regulating and controlling 130 or second output terminal
It is logical.Circuit for regulating and controlling 130 be also used to the first output end of the output end of wireless charging managing chip 122 and circuit for regulating and controlling 130 or
Second output terminal connection.
Figure 13 is please referred to, Figure 13 is the tenth structural schematic diagram of charging circuit provided by the embodiments of the present application.Charging circuit
100 can also include detection unit 150, and detection unit 150 can integrate in circuit for regulating and controlling 140.Wherein, detection unit 150
State and detection unit 150 for detecting the first charging terminal 141 are used to detect the state of the second charging terminal 142.Its
In, the state of the first charging terminal 141 can be refering to the above content.Wherein, the state of the second charging terminal 142 can refering to
Upper content.
When detection unit 150 detects the first charging terminal 141 and the second charging terminal 142 is normal condition,
The signal that detection unit 150 can will test is transferred to controller 130, and controller 130 can drive circuit for regulating and controlling 140 to control
First input end and the connection of the first output end, and control the second input terminal and the connection of two output ends.To wired charging circuit 110
It can be connect by circuit for regulating and controlling 140 with the first charging terminal 141 and wireless charging circuit 120 can pass through circuit for regulating and controlling
140 connect with the second charging terminal 142.
It should be noted that when detection unit 150 detects the first charging terminal 141 and the second charging terminal 142
When for normal condition, controller 130 can also drive circuit for regulating and controlling 140 to control first input end and be connected to second output terminal, and
Control the second input terminal and the connection of the first output end.To which wired charging circuit 110 can be filled by circuit for regulating and controlling 140 with second
The connection of electric terminal 142 and wireless charging circuit 120 can be connect by circuit for regulating and controlling 140 with the first charging terminal 141.
When detection unit 150 detects that the first charging terminal 141 is normal condition, and the second charging terminal 142 is detected
When for abnormality, the signal that detection unit 150 can will test is transferred to controller 130, and controller 130 can drive tune
Control circuit 140 controls first input end and is connected to the first output end, and controls the second input terminal and second output terminal disconnection.Or control
Device 130 processed can drive circuit for regulating and controlling 140 to control the second input terminal and be connected to the first output end, and control first input end and the
Two output ends disconnect.For example when detection unit 150 detects that the first charging terminal 141 is normal, the second charging terminal 142 is damaged
When, circuit for regulating and controlling 140 can be driven the signal of wired charging circuit 110 and wireless charging circuit 120 by controller 130
Signal pass through the first output end be connected to the first charging terminal 141 for battery 14 charging.It should be noted that when there is line charge
It, can be by the signal and nothing of wired charging circuit 110 when circuit 110 and wireless charging circuit 120 charge simultaneously for battery 14
The signal of line charging circuit 120 flows to the first charging terminal 141 jointly and charges for battery 14, can also be by wired charging circuit
The first charging terminal of one of signal flow 141 in 110 signal and the signal of wireless charging circuit 120 fills for battery
Electricity.
When detection unit 150 detects that the first charging terminal 141 is abnormality, and the second charging terminal 142 is detected
When for normal condition, the signal that detection unit 150 can will test is transferred to controller 130, and controller 130 can drive tune
It controls circuit 140 and controls first input end and the disconnection of the first output end, and control the second input terminal and be connected to second output terminal.Control
Device 130 can drive circuit for regulating and controlling 140 to control the second input terminal and the disconnection of the first output end, and control first input end and second
Output end connection.Such as when detection unit 150 detects that the first charging terminal 141 damages, when the second charging terminal 142 is normal,
Circuit for regulating and controlling 140 can be driven the signal of wired charging circuit 110 and wireless charging circuit 120 by controller 130
Signal passes through second output terminal and is connected to the second charging terminal 142 as the charging of battery 14.It should be noted that working as wired charging
It, can be by the signal of wired charging circuit 110 and wireless when circuit 110 and wireless charging circuit 120 charge simultaneously for battery 14
The signal of charging circuit 120 flows to the second charging terminal 142 jointly and charges for battery 14, can also be by wired charging circuit 110
Signal and wireless charging circuit 120 signal in the second charging terminal of one of signal flow 142 be battery charging.
It follows that even if battery 14 has a charging terminal damage, wired charging circuit 110 and wireless charging circuit
120 can also be that battery 14 charges by another charging terminal of battery 14.
It is understood that when detection unit 150 detects that the first charging terminal 141 is abnormality, and detect the
When two charging terminals 142 are abnormality, the signal that detection unit 150 can will test is transferred to controller 130, controller
130 can drive circuit for regulating and controlling 140 to control first input end or the second input terminal and the disconnection of the first output end, and it is defeated to control first
Enter end and the second input terminal and second output terminal disconnects.Such as when detection unit 150 detect the first charging terminal 141 damage,
When second charging terminal 142 damages, circuit for regulating and controlling 140 can be driven the signal of wired charging circuit 110 by controller 130
And the signal of wireless charging circuit 120 disconnects.It is shown further, it is possible to send caution signal by display screen 12, or
Caution signal is sent by loudspeaker sounding, to notify user.
It should be noted that detection unit 150 can also be not arranged on circuit for regulating and controlling 140.Please refer to Figure 14, Tu14Wei
11st structural schematic diagram of charging circuit provided by the embodiments of the present application.Detection unit may include first detection unit 151
With second detection unit 152, first detection unit 151 is connected to the first output end and the first charging terminal of circuit for regulating and controlling 140
141, first detection unit 151 can detecte the state of the first charging terminal 141.Second detection unit 152 is connected to regulation electricity
Between the second output terminal on road 140 and the second charging terminal 152, second detection unit 152 can detecte the second charging terminal 142
State.
It should also be noted that, detection unit 150 can also be integrated in wireless charging managing chip 122.Detection unit
150 can also be integrated in effective charging management chip 112.Detection unit 150 can be multiple, each wired charging management
It is integrated in chip 112 and integrates a detection unit in a detection unit 150 and each wireless charging managing chip 122.
Charging circuit provided by the embodiments of the present application and electronic equipment are described in detail above.It is used herein
The principle and implementation of this application are described for specific case, and the above embodiments are only used to help understand originally
Application.Meanwhile for those skilled in the art, according to the thought of the application, in specific embodiments and applications
It will change, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (14)
1. a kind of charging circuit is applied to electronic equipment, which is characterized in that the electronic equipment includes battery, the battery pack
The first charging terminal and the second charging terminal are included, the charging circuit includes wired charging circuit and wireless charging circuit；
The input terminal of the wired charging circuit is used to connect the output end of wired charger, the output of the wired charging circuit
End is connect with first charging terminal, and the output end of the wireless charging circuit is connect with second charging terminal.
2. charging circuit according to claim 1, which is characterized in that the wired charging circuit includes wired charging module
With wired charging managing chip, the input terminal of the wired charging module is used to connect the output end of wired charger, described to have
The output end of line charging module is connect with the input terminal of the wired charging managing chip, the wired charging managing chip it is defeated
Outlet is connect with first charging terminal；
The wireless charging circuit includes wireless charging module and wireless charging managing chip, the wireless charging managing chip
Input terminal is connect with the output end of the wireless charging module, and the output end of the wireless charging managing chip is filled with described second
Electric terminal connection.
3. charging circuit according to claim 2, which is characterized in that the wired charging circuit includes the first detection mould
Block, the first detection module are used to detect the state of first charging terminal, and the charging circuit includes controller, described
Controller and the wired charging circuit connection, the controller are connect with the first detection module；
When the first detection module detects that first charging terminal is normal condition, have described in the controller control
Line charging circuit is battery charging；
When the first detection module detects that first charging terminal is abnormality, have described in the controller control
Line charging circuit and the battery disconnect.
4. charging circuit according to claim 3, which is characterized in that the first detection module, which is integrated in, described has line charge
In electric managing chip.
5. charging circuit according to claim 2, which is characterized in that the wireless charging circuit includes the second detection mould
Block, second detection module are used to detect the state of second charging terminal, and the charging circuit includes controller, described
Controller is connect with the wireless charging circuit, and the controller is connect with second detection module；
When second detection module detects that second charging terminal is normal condition, the controller controls the nothing
Line charging circuit is battery charging；
When the first detection module detects that second charging terminal is abnormality, the controller controls the nothing
Line charging circuit and the battery disconnect.
6. charging circuit according to claim 5, which is characterized in that second detection module is integrated in the wireless charging
In electric managing chip.
7. charging circuit according to claim 2, which is characterized in that the wired charging circuit includes the first detection mould
Block, the first detection module are used to detect the state of first charging terminal, and the wireless charging circuit includes the second inspection
Module is surveyed, second detection module is used to detect the state of second charging terminal, and the charging circuit includes controller,
The controller and the wired charging circuit connection, the controller are connect with the first detection module, the controller
It is connect with the wireless charging circuit, the controller is connect with second detection module；
When the first detection module detects that first charging terminal is normal condition, have described in the controller control
Line charging circuit is battery charging；
When the first detection module detects that first charging terminal is abnormality, have described in the controller control
Line charging circuit and the battery disconnect；
When second detection module detects that second charging terminal is normal condition, the controller controls the nothing
Line charging circuit is battery charging；
When the first detection module detects that second charging terminal is abnormality, the controller controls the nothing
Line charging circuit and the battery disconnect.
8. charging circuit according to claim 7, which is characterized in that the first detection module, which is integrated in, described has line charge
In electric managing chip, second detection module is integrated in the wireless charging managing chip.
9. charging circuit according to any one of claims 1 to 8, first charging terminal and the second charging terminal are located at
The same end of the battery.
10. according to the described in any item charging circuits of claim 2 to 8, which is characterized in that the wireless charging managing chip is extremely
It is less two, at least two wireless charging managing chips are in parallel.
11. charging circuit according to claim 10, which is characterized in that at least two wireless chargings managing chip
The input signal of two wireless charging managing chips is identical and output signal is identical.
12. according to the described in any item charging circuits of claim 2 to 8, which is characterized in that the wired charging managing chip is extremely
It is less two, at least two wired chargings managing chip is in parallel.
13. according to the described in any item charging circuits of claim 2 to 8, which is characterized in that the wireless charging module includes nothing
Line receiving coil and the wireless conversion chip, the wireless receiving coil is for receiving wireless signal, the wireless receiving line
Circle is connect with the wireless conversion chip, and the wireless conversion chip is connect with the wireless charging managing chip.
14. a kind of electronic equipment, which is characterized in that including charging circuit, the charging circuit is any one of claim 1 to 13
The charging circuit.
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| CN201811020573.5A CN109217487B (en) | 2018-09-03 | 2018-09-03 | Charging circuit and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811020573.5A CN109217487B (en) | 2018-09-03 | 2018-09-03 | Charging circuit and electronic device |
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| EP3843241A1 (en) * | 2019-12-24 | 2021-06-30 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electronic device |
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| CN109217487B (en) | 2020-04-10 |
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