CN109066882A - Charging circuit and electronic equipment - Google Patents
Charging circuit and electronic equipment Download PDFInfo
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- CN109066882A CN109066882A CN201811021446.7A CN201811021446A CN109066882A CN 109066882 A CN109066882 A CN 109066882A CN 201811021446 A CN201811021446 A CN 201811021446A CN 109066882 A CN109066882 A CN 109066882A
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- Prior art keywords
- charging
- wireless charging
- managing chip
- wireless
- chip
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- 238000007600 charging Methods 0.000 title claims abstract description 382
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- 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
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Classifications
-
- H02J7/0091—
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the present application provides a kind of charging circuit and electronic equipment, electronic equipment includes: battery and charging circuit, charging circuit includes wired charging module, wired charging managing chip, wireless charging module and wireless charging managing chip, the input terminal of wired charging module is used to connect the output end of wired charger, the output end of wired charging module is connect with the input terminal of wired charging managing chip, and the output end of wired charging managing chip is connect with battery；Wireless charging managing chip at least two, the input terminal of each wireless charging managing chip and the output end of wireless charging module connect, and the output end of each wireless charging managing chip is connect with battery.The embodiment of the present application can reduce the fever of charging circuit.
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 during wireless charging, this
Sample is used for can be from the farther away local using terminal of power ratio.But wireless charging power is small, if increasing power will lead to
Wireless charging heating is serious, threatens to the safety of charging circuit and battery.
Summary of the invention
The embodiment of the present application provides a kind of charging circuit and electronic equipment, can reduce charging circuit during wireless charging
Fever.
The embodiment of the present application provides a kind of charging circuit, is applied to electronic equipment, the electronic equipment includes battery, described
Charging circuit includes:
Wired charging module, wired charging managing 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 wired charging managing chip, and the output end of the wired charging managing chip is for connecting
The battery；
The wireless charging managing chip at least two, the input terminal of each wireless charging managing chip with it is described
The output end of wireless charging module connects, and the output end of each wireless charging managing chip is for connecting the battery.
The embodiment of the present application provides a kind of electronic equipment, including charging circuit and battery, the charging circuit are the above institute
The charging circuit stated, the charging circuit are connected with the battery, and the charging circuit is battery charging.
In the embodiment of the present application, since wired charging module and wireless charging module are separated from each other, can individually be
The battery of electronic equipment charges.Wherein during wireless charging, wireless charging module can use two or more wireless chargings
Managing chip is battery charging jointly, and two or more wireless charging managing chips can disperse to generate heat, and reduces single wireless charging
The temperature of electric managing chip.The embodiment of the present application can be in the case where the voltage of guarantee wireless charging circuit be constant, dispersion hair
Heat can reduce the fever of charging circuit.
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 structural schematic diagram of wireless charging module provided by the embodiments of the present application.
Fig. 5 is the second structural schematic diagram of charging circuit provided by the embodiments of the present application.
Fig. 6 is the third structural schematic diagram of charging circuit 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.
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, it is to be understood that term " on ", "lower", etc. the orientation or positional relationships of instructions be
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the application and simplifies description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the application.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance or the quantity for implicitly indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be bright
Show or implicitly include one or more feature.
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.
In this application unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
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 may include: wired charging module 110, wired charging managing chip 120, wireless charging module 130 and wireless charging management core
Piece 140.
Wherein, the input terminal of wired charging module 110 is used to connect the output end of wired charger, wired charging module
110 output end is connect with the input terminal of wired charging managing chip 120, the output end and electricity of wired charging managing chip 120
Pond 14 connects.
It follows that by wired charger and having line charge when user is that battery 14 charges using wired charging module 110
Electric module 110 is mutually inserted, for example wired charger and wired charging module 110 are mutually inserted realization by type-c interface and connect
It connects, to realize that wired charger passes through the mesh that wired charging module 110 and wired charging managing chip 120 are that battery 14 charges
's.
In some embodiments, wired charging managing chip 120 can be one.
Wherein, the output end of wireless charging module 130 is connect with the input terminal of wireless charging managing chip 140, wireless charging
The output end of electric managing chip 140 is connect with battery 14.
Referring to Fig. 4, Fig. 4 is the structural schematic diagram of wireless charging module provided by the embodiments of the present application, wireless charging mould
Block 130 may include wireless receiving coil 1308, match circuit 1307 and wireless conversion chip 1309.
Wherein, the inner surface in the shell 11 of electronic equipment 10, wireless receiving line can be set in wireless receiving coil 1308
Circle 1308 can be embedded into inside shell 11, or open up through-hole on shell 11, and receiving coil 1308 is arranged in through-hole
It is interior.The output end of wireless receiving coil 1308 is connect with the input terminal of match circuit 1307, the output end of match circuit 1307 with
The input terminal connection of wireless conversion chip 1309, output end and the wireless charging managing chip 140 of wireless conversion chip 1309
Input terminal connection.
Wherein, match circuit 1307 is for tuning 1308 received signal of wireless receiving coil.Wherein, wireless to turn
Direct current signal can be converted into for AC signal by changing chip 1309.Wireless conversion chip 1309 can also be to received signal
It is filtered, 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
The receiving end of magnetostatic wave signal, i.e. wireless receiving coil 1308 can receive electromagnetic wave signal.Then, wireless receiving coil 1308 can
The electromagnetic wave signal received is transferred to wireless conversion chip 1309, wireless conversion chip 1309 can be by electromagnetic wave signal
Direct current is formed by the modes such as converting, filtering, and is transmitted to wireless charging managing chip 140, wireless charging managing chip 140
Can will convert and filtering after the direct current 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 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 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. 5, Fig. 5 is the second structural schematic diagram of charging circuit provided by the embodiments of the present application.Two wireless charging fulgurites
Managing chip 140 can be respectively the first wireless charging managing chip 141 and the second wireless charging managing chip 142.
Wherein, the input terminal of the first wireless charging managing chip 141 is connect with the output end of wireless charging module 130, the
The output end of one wireless charging managing chip 141 is connect with battery 14.Wherein, the input of the second wireless charging managing chip 142
End is connect with the output end of wireless charging module 130, and the output end of the second wireless charging managing chip 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, such as the charging current and the second nothing of the first wireless charging managing chip 141
The charging current of line charging management chip 142 is 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. 6, Fig. 6
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 the
Three wireless charging managing chips 143, third wireless charging managing chip 143 respectively with the first wireless charging managing chip 141 and
Second wireless charging managing chip 142 is in parallel, the input terminal and wireless charging module 130 of third wireless charging managing chip 143
Output end connection, the output end of third wireless charging managing chip 143 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.
Referring to Fig. 7, Fig. 7 is the 4th structural schematic diagram of charging circuit provided by the embodiments of the present application.Charging circuit 100
It can also include control switch 150 and detection module 160.
Wherein, the output end of the input terminal with wireless charging module 130 of control switch 150 is connect, control switch 150 it is defeated
Outlet is connect with wireless charging managing chip 140, specifically, the first output end of control switch 150 and one of wireless charging
Electric managing chip 140 connects, and the second output terminal of control switch 150 is connect with other wireless charging managing chip 140, and control is opened
The control terminal of pass 150 is connect with the output end of detection module 160.
It, can be with it should be noted that the output end of control switch 150 is not limited to the first output end and second output terminal
With third output end or the 4th output end etc., each output end of control switch 150 can connect a wireless charging fulgurite
Manage chip 140.Control switch 150 can control one, two or more wireless charging fulgurites by two or more output ends
Manage chip 140 it is in running order, i.e., control switch 150 can by two or more output ends control one, two or
Multiple wireless charging managing chips 140 are the charging of battery 14.
Wherein, the input terminal of detection module 160 may be coupled to two wireless charging managing chips 140.Detection module 160
It may include temperature sensor, detection module 160 can detecte the temperature of two wireless charging managing chips 140.Detection module
160 temperature that can be will test are transferred to control switch 150.Control switch 150 can be according to detected by detection module 160
Temperature control two wireless charging managing chips 140 working condition.It should be noted that detection module 160 can be simultaneously
Three or more wireless charging managing chips 140 are connected to, detection module 160 can detecte three or more wireless chargings
The temperature of managing chip 140.
In some embodiments, when detection module 160 detects in running order wireless charging managing chip 140
When temperature is greater than the first preset threshold, detection module 160 can will test result and be transferred to control switch 150, control switch 150
It can control the wireless charging managing chip 140 being in idle condition to work.Wherein, the first preset threshold can according to need into
Row setting.
Such as: there are two at least two wireless charging managing chips 140 are total, one of wireless charging managing chip 140
In running order, another wireless charging managing chip 140 is in idle condition.When detection module 160 detects current place
When the temperature of a wireless charging managing chip 140 of working condition is greater than the first preset threshold, detection module 160 is by the temperature
Degree is transmitted to control switch 150, and control switch 150 controls another wireless charging managing chip 140 being in idle condition
It starts to work, control switch 150 can control two wireless charging managing chips 140 simultaneously and work at this time.
Also such as: there are three at least two wireless charging managing chips 140 are total, two of them wireless charging managing chip
140 is in running order, i.e. there are two wireless charging managing chips 140 for battery in three wireless charging managing chips 140
14 chargings, another wireless charging managing chip 140 are in idle condition.When detection module 160 detects that two are in work
When making any one temperature of the wireless charging managing chip 140 of state and being greater than the first preset threshold, detection module 160 is by the temperature
Degree is transmitted to control switch 150, and control switch 150 controls another wireless charging managing chip 140 being in idle condition
It starts to work, control switch 150 can control three wireless charging managing chips 140 simultaneously and work at this time.
It is possible thereby to avoid charge power excessively high or external factor influence and lead to the wireless charging in charging circuit 100
Managing chip 140 is overheated and is damaged.
In some embodiments, when detection module 160 detects at least two wireless charging managing chips 140 in work
When making the temperature of state greater than the first preset threshold, detection module 160 can will test result and be transmitted to control switch 150, control
System switch 150 can control the wireless charging managing chip being in idle condition at least two wireless charging managing chips 140
140 work and control switch 150 can control temperature and be in greater than the wireless charging managing chip 140 of the first preset threshold
Idle state.
Such as: there are two at least two wireless charging managing chips 140 are total, one of wireless charging managing chip 140
In running order, another wireless charging managing chip 140 is in idle condition.When detection module 160 detects current place
When the temperature of a wireless charging managing chip 140 of working condition is greater than the first preset threshold, detection module 160 is by the temperature
Degree is transmitted to control switch 150, and control switch 150 controls another wireless charging managing chip 140 being in idle condition
It starts to work, and control switch 150 controls temperature and is higher than the wireless charging managing chip 140 of the first preset threshold in idle shape
State.The state that i.e. control switch 150 controls two wireless charging managing chips 140 mutually switches.
Also such as: there are three at least two wireless charging managing chips 140 are total, two of them wireless charging managing chip
140 is in running order, i.e. there are two wireless charging managing chips 140 for battery in three wireless charging managing chips 140
14 chargings, another wireless charging managing chip 140 are in idle condition.When detection module 160 detects that two are in work
When making one of temperature of the wireless charging managing chip 140 of state and being greater than the first preset threshold, detection module 160 is by the temperature
Degree is transmitted to control switch 150, and control switch 150 controls another wireless charging managing chip 140 being in idle condition
It starts to work, and control switch 150 controls temperature and is higher than the wireless charging managing chip 140 of the first preset threshold in idle shape
State.
It is possible thereby to avoid charge power excessively high or external factor influence and lead to the wireless charging in charging circuit 100
Managing chip 140 is overheated and is damaged.
In some embodiments, when detection module 160 detects at least two wireless charging managing chips 140 in work
When making the temperature of state and being respectively smaller than the first preset threshold, detection module 160 can will test result and be transmitted to control switch
150, control switch 150 is with one of wireless charging managing chip 140 of at least two wireless charging managing chips 140 of control
It is in running order.
Such as: there are two at least two wireless charging managing chips 140 are total, two wireless charging managing chips 140 are located
In working condition.The temperature of two wireless charging managing chips 140 of working condition is currently at when detection module 160 detects
When respectively less than the first preset threshold, which is transmitted to control switch 150 by detection module 160, and control switch 150 controls two
One of them in wireless charging managing chip 140 is in running order, another is in idle condition, i.e. control switch
150 close one of wireless charging managing chip 140.
Also such as: there are three at least two wireless charging managing chips 140 are total, two of them wireless charging managing chip
140 is in running order, i.e. there are two wireless charging managing chips 140 for battery in three wireless charging managing chips 140
14 chargings, another wireless charging managing chip 140 are in idle condition.When detection module 160 detects that two are in work
When making the temperature of the wireless charging managing chip 140 of state and being respectively less than the first preset threshold, detection module 160 transmits the temperature
To control switch 150, control switch 150 controls one in the wireless charging managing chip 140 of two in running order states
A to be in work, another does not work, i.e., control switch 150 controls a nothing in three wireless charging managing chips 140
Line charging management chip 140 is in running order, other two wireless charging managing chip 140 is in idle condition.Thus may be used
To save power consumption.
In some embodiments, when all wireless charging managing chips 140 are in working condition, and work as detection module
160 when detecting that the temperature of in running order wireless charging managing chip 140 is respectively greater than the first preset threshold, and control is opened
It closes 150 to disconnect with all wireless charging managing chips 140, is in the free time to control all wireless charging managing chips 140
State reduces the temperature of each wireless charging managing chip 140.
In some embodiments, when all wireless charging managing chips 140 are in working condition, and work as detection module
160 detect the in running order some of temperature of wireless charging managing chip 140 be greater than the first preset threshold when, control
System switch 150 and temperature are disconnected greater than the wireless charging managing chip 140 of the first preset threshold, to control temperature greater than the
The wireless charging managing chip 140 of one preset threshold is in idle condition, and reduces the temperature of wireless charging managing chip 140.
The above are the embodiment of the present application by detection module 160 detect one of them, two or more wireless charging management
Temperature signal, is then transferred to control switch 150 by the temperature of chip 140, and control switch 150 can directly control each wireless
The working condition of charging management chip 140.Control switch 150 can integrate in logic control or control switch 150 at this time
Portion is integrated with control chip etc..It should be noted that the embodiment of the present application is not limited to directly control respectively by control switch 150
The working condition of a wireless charging managing chip 140.
Referring to Fig. 8, Fig. 8 is the 5th structural schematic diagram of charging circuit provided by the embodiments of the present application.Charging circuit 100
It can also include controller 170.The input terminal of controller 170 is connect with the output end of detection module 160, controller 170 it is defeated
Outlet is connect with the control terminal of control switch 150, and the temperature signal detected by it is transferred to controller by detection module 160
170, controller 170 controls the work shape of each wireless charging managing chip 140 further according to temperature signal drive control switch 150
State.Wherein, controller 170 can be the storage and processing circuit 131 of electronic equipment 100, for example controller 170 can be electronics
The processor of equipment 100.It should be noted that controller 170 is also desirably integrated on the mainboard of electronic equipment 100.
Wherein, the detection module 160 of the embodiment of the present application may include temperature sensor, to detect wireless charging management core
The temperature of piece 140.It should be noted that can also directly will test module in some other embodiment and be integrated into each nothing
Inside line charging management chip 140, i.e., a wireless charging managing chip 140 is internally integrated a detection module.Wireless charging
The temperature signal that the detection module that managing chip 140 is internally integrated can will test is transferred to controller 170, controller 170
Further according to temperature drive control switch 150, to control the working condition of each wireless charging managing chip 140.Referring specifically to
Fig. 9, Fig. 9 are the 6th structural schematic diagram of charging circuit provided by the embodiments of the present application.
In some embodiments, referring to Fig. 10, Figure 10 is the 7th structure of charging circuit provided by the embodiments of the present application
Schematic diagram.Wired charging managing chip 120 in charging circuit 100 can be two, or multiple.It can be according to battery
14 charge requirement setting.It is understood that the circuit fever inside general electronic equipment 10 is not during wired charging
Can be serious, i.e. the fever of charging circuit 100 is not serious.And if there is in line charge electric process, use is high-power, super high power in other words
When charging to battery 14, it may be such that wired charging managing chip 120 generates heat seriously, two or more can be set at this time
A wired charging managing chip 120 reduces the temperature of single wired charging managing chip 120 to disperse heat, prevents charging electricity
Road 100 generates heat serious during the charging process and damages.
In some embodiments, Figure 11 is please referred to, Figure 11 is the 8th structure of charging circuit provided by the embodiments of the present application
Schematic diagram.Wherein, the output end of controller 170, the control terminal of controller 170 can be connected respectively to wireless charging mould in other words
Wireless conversion chip 1308, wireless charging managing chip 140 and wired charging managing chip 120 in block 130.Controller
170, which can control wireless conversion chip 1308, wireless charging managing chip 140 and wired charging managing chip 120, works.
From the foregoing, it will be observed that the embodiment of the present application wired charging module 110 and wireless charging module 130 are filled by different respectively
Electric managing chip realizes that the mode of wired charging and the mode of wireless charging can be not only implemented separately in the embodiment of the present application,
And wired charging and wireless charging can be carried out simultaneously.Specifically, the embodiment of the present application can by wired charging module 110 with
Then wired charger connection is the charging of battery 14 by wired charging managing chip 120.It simultaneously can also be by wireless charging mould
Block 130 is connect with wireless charger, is then the charging of battery 14 by wireless charging managing chip 140.Due to wireless charging mould
Block 130 and wired charging module 110 are separated from each other, therefore in wired charging and wireless charging carry out simultaneously, can't be generated
Interference.
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 (13)
1. a kind of charging circuit is applied to electronic equipment, the electronic equipment includes battery, which is characterized in that the charging electricity
Road includes: wired charging module, wired charging managing 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 output of the wired charging module
End is connect with the input terminal of the wired charging managing chip, and the output end of the wired charging managing chip is described for connecting
Battery；
The wireless charging managing chip at least two, the input terminal of each wireless charging managing chip and described wireless
The output end of charging module connects, and the output end of each wireless charging managing chip is for connecting the battery.
2. charging circuit according to claim 1, which is characterized in that the charging circuit further includes detection module and control
Switch, the input terminal of the control switch are connect with the output end of the wireless charging module, the output end of the control switch
It is connect with the input terminal of the wireless charging managing chip, the control terminal of the control switch is connect with the detection module；
The detection module is used to detect the temperature of the wireless charging managing chip, and the control switch is used for according to the temperature
Degree controls the working condition of the wireless charging managing chip.
3. charging circuit according to claim 2, which is characterized in that when the detection module detect it is in running order
The temperature of wireless charging managing chip when being greater than the first preset threshold, be in idle condition described in control switch control
The work of wireless charging managing chip.
4. charging circuit according to claim 2, which is characterized in that when the detection module detect it is in running order
The temperature of wireless charging managing chip when being greater than the first preset threshold, control switch control is in idle condition wireless
Charging management chip work and the control switch control wireless charging management core of the temperature greater than the first preset threshold
Piece is in idle condition.
5. charging circuit according to claim 2, which is characterized in that when the detection module detects described at least two
When in running order temperature is respectively smaller than the first preset threshold in wireless charging managing chip, the detection module drives institute
Control switch is stated to control one of wireless charging managing chip of at least two wireless chargings managing chip and be in work
Make state.
6. charging circuit according to claim 3, which is characterized in that when the charging management chip is in work shape
State, and when the detection module detects that the temperature of all charging management chips is all larger than the first preset threshold, the control is opened
Pass is disconnected with all charging management chips.
7. according to the described in any item charging circuits of claim 2 to 6, which is characterized in that institute
The detection module is integrated in at least two wireless chargings managing chip, each wireless charging managing chip
An interior integrated detection module.
8. according to the described in any item charging circuits of claim 2 to 6, which is characterized in that the charging circuit further includes control
Device, the input terminal of the controller are connect with the output end of the detection module.
9. charging circuit according to any one of claims 1 to 6, which is characterized in that at least two wireless chargings fulgurite
Managing chip includes the first wireless charging managing chip and the second wireless charging managing chip, the first wireless charging managing chip
Input signal it is identical as the input signal of the second wireless charging managing chip, the first wireless charging managing chip
Output signal is identical as the output signal of the second wireless charging managing chip.
10. charging circuit according to any one of claims 1 to 6, which is characterized in that at least two wireless chargings fulgurite
Managing chip includes the first wireless charging managing chip, the second wireless charging managing chip and third wireless charging managing chip, institute
State the first wireless charging managing chip, the second wireless charging managing chip and the third wireless charging managing chip simultaneously
Connection.
11. charging circuit according to any one of claims 1 to 6, 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.
12. charging circuit according to any one of claims 1 to 6, which is characterized in that the wireless charging module includes nothing
Line receiving coil and wireless conversion chip, the wireless receiving coil for receiving wireless signal, the wireless receiving coil with
Wireless conversion chip connection, the wireless conversion chip are connect with the wireless charging managing chip.
13. a kind of electronic equipment, which is characterized in that including charging circuit and battery, the charging circuit is claim 1 to 12
Described in any item charging circuits, the charging circuit are connected with the battery, and the charging circuit is battery charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021446.7A CN109066882A (en) | 2018-09-03 | 2018-09-03 | Charging circuit and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021446.7A CN109066882A (en) | 2018-09-03 | 2018-09-03 | Charging circuit and electronic equipment |
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| CN109066882A true CN109066882A (en) | 2018-12-21 |
Family
ID=64759512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811021446.7A Pending CN109066882A (en) | 2018-09-03 | 2018-09-03 | Charging circuit and electronic equipment |
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| Country | Link |
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| CN (1) | CN109066882A (en) |
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| CN109768607A (en) * | 2019-03-27 | 2019-05-17 | 广州高新兴机器人有限公司 | A kind of intelligent control automatic charging system that robot uses and method |
| CN110945741A (en) * | 2019-11-07 | 2020-03-31 | 北京小米移动软件有限公司 | Charging power control method, device and readable storage medium |
| CN112737063A (en) * | 2021-01-26 | 2021-04-30 | 维沃移动通信有限公司 | Charging head and wireless charging method |
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Application publication date: 20181221 |