CN208738925U - Charging circuit and electronic equipment - Google Patents

Charging circuit and electronic equipment Download PDF

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Publication number
CN208738925U
CN208738925U CN201821312388.9U CN201821312388U CN208738925U CN 208738925 U CN208738925 U CN 208738925U CN 201821312388 U CN201821312388 U CN 201821312388U CN 208738925 U CN208738925 U CN 208738925U
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China
Prior art keywords
charging
wired
output
wireless charging
managing chip
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CN201821312388.9U
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Chinese (zh)
Inventor
杨冬笋
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201821312388.9U priority Critical patent/CN208738925U/en
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Abstract

The embodiment of the present application provides a kind of charging circuit and electronic equipment, charging circuit includes wired charging module and wireless charging module, wired charging module includes first input end, the first output end and the first one-way conduction unit, wired charging module charges the battery that the wired charger connecting with first input end gives the connection of the first output end, and the first anti-stop signal of one-way conduction unit is transferred to first input end from the first output end;Wireless charging module includes the second input terminal, second output terminal and the second one-way conduction unit, wireless charging module will give the with the wireless charger of the non-contact connection of the second input terminal and battery that output end is connect charges, and the second anti-stop signal of one-way conduction unit is transferred to the second input terminal from second output terminal.Wired charging module and wireless charging module can charge the battery simultaneously, improve charging current, shorten the charging time.

Description

Charging circuit and electronic equipment
Technical field
This application involves electronic technology field more particularly to a kind of charging circuits and electronic equipment.
Background technique
The charging scheme of electronic equipment such as mobile phone has much at present, but the charging all or using wired channel realized. With the continuous development of technology, the development of especially wireless charging industry provides another charging scheme, i.e. wireless charging Scheme.However, the charge power of wireless charging is smaller, using the battery of the wireless charging electron equipment fully charged time compared with It is long.
Utility model content
The embodiment of the present application provides a kind of charging circuit and electronic equipment, and charge power can be improved, and shortens charging duration.
The embodiment of the present application provides a kind of charging circuit, is applied to electronic equipment, the charging circuit includes wired Charging module and wireless charging module, in which:
The wired charging module includes first input end, the first output end and the first one-way conduction unit, and described first Input terminal is used to connect the output end of wired charger, and first output end is for connecting battery, the wired charging module The electric energy of the wired charger is transferred to the battery, the first one-way conduction unit is arranged in the first input end Between first output end, it is defeated that the anti-stop signal of the first one-way conduction unit from first output end is transferred to first Enter end;
The wireless charging module include the second input terminal, second output terminal and the second one-way conduction unit, described second Input terminal is used to be used to connect the battery, the wireless charging with the non-contact connection of wireless charger, the second output terminal The energy that the wireless charger emits is converted into electric energy by module, and the electric energy is transferred to the battery, and described second One-way conduction unit is arranged between second input terminal and the second output terminal, and the second one-way conduction unit prevents Signal is transferred to the second input terminal from second output terminal.
The embodiment of the present application also provides electronic equipment a kind of comprising battery and charging circuit, the charging circuit connect Connect the battery, charging circuit charging circuit as described above.
Charging circuit provided by the embodiments of the present application includes wired charging module and wireless charging module, wired charging module It is used to connection battery with wireless charging module, and can be charged the battery.Wired charging module and wireless charging module can be with It charges the battery simultaneously, improves charging current, shorten the charging time.In addition, in wired charging module and wireless charging module Including an one-way conduction unit, it can prevent the output signal of wired charging module is counter to be poured into wireless charging module, it can be with It prevents the output signal of wireless charging module is counter to be poured into wired charging module, can also prevent battery signal is counter to be poured into wired charging Module and wireless charging module.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment Attached drawing is briefly described.It should be evident that the drawings in the following description are only some examples of the present application, for For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is the structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Fig. 2 is the sectional view in the direction electronic equipment A-A ' in Fig. 1.
Fig. 3 is another structural schematic diagram of electronic equipment provided by the embodiments of the present application.
Fig. 4 is the first structural schematic diagram of charging circuit provided by the embodiments of the present application.
Fig. 5 is second of 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 kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.
Fig. 8 is the 5th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.
Fig. 9 is the 6th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.
Figure 10 is the 7th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.
Figure 11 is the 8th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.
Specific embodiment
Schema is please referred to, wherein identical component symbol represents identical component, the principle of the application is to implement one It is illustrated in computing environment appropriate.The following description be based on illustrated by the application specific embodiment, should not be by It is considered as limitation the application other specific embodiments not detailed herein.
In the description of the present application, it is to be understood that term " first ", " second " are used for description purposes only, and cannot It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include one or more feature.In the description of the present application In, the meaning of " plurality " is two or more, unless otherwise specifically defined.
Concrete analysis explanation is carried out below.
The embodiment of the present application provides a kind of charging circuit and electronic equipment.It will be described in detail respectively below.Wherein fill Circuit can be set in the electronic device, and electronic equipment can be the equipment such as smart phone, tablet computer, can also be game Equipment, augmented reality (Augmented Reality, AR) equipment, audio playing apparatus, video play device, notebook, desktop Calculate equipment etc..
It please refers to Fig.1 to Fig.3, Fig. 1 is the first structural schematic diagram of electronic equipment provided by the embodiments of the present application, Fig. 2 For the sectional view in the direction electronic equipment A-A ' in Fig. 1, Fig. 3 is that second of structure of electronic equipment provided by the embodiments of the present application is shown It is intended to.Electronic equipment 100 may include cover board 11, display screen 12, control circuit 13, battery 160, shell 15, front camera 161, rear camera 162 and unlocked by fingerprint module 17.It should be noted that electronic equipment 100 is not limited to the above content.
Wherein, cover board 11 is installed on display screen 12, to cover display screen 12.Cover board 11 can be transparent glass cover plate, So that 12 euphotic cover plate 11 of display screen is shown.In some embodiments, cover board 11 can be with materials such as sapphires Manufactured glass cover-plate.
Wherein, display screen 12 is mounted in shell 15.Display screen 12 is electrically connected in control circuit 13, is set with forming electronics Standby 100 display surface.Display screen 12 can be the shape of rule, such as rectangular parallelepiped structure, the top of electronic equipment 100 or/and Bottom end can form non-display area, i.e. electronic equipment 100 forms non-display area on the top of display screen 12 or/and lower part, Electronic equipment 100 can install the devices such as front camera 161, rear camera 162 in non-display area.It needs to illustrate It is that display screen 12 can also cover on the display surface of entire electronic equipment 100, that is, realizes the full screen display of electronic equipment 100.
Wherein, control circuit 13 is mounted in shell 15, and control circuit 13 can be the mainboard of electronic equipment 100, control Can integrate on circuit 13 motor, microphone, loudspeaker, earphone interface, Universal Serial Bus Interface, front camera 161, One, two in the functional units such as rear camera 162, range sensor, ambient light sensor, receiver and controller Or it is multiple.In some embodiments, control circuit 13 can be screwed in shell 12 by screw, can also be using the side of buckle Formula card is fitted in shell 12.It should be noted that the embodiment of the present application control circuit 13 is specifically fixed to the mode in shell 12 It is not limited to this, it can be with other way, such as by way of buckling and screw fixes jointly.
Wherein, shell 15 includes center 151 and rear cover 152, and center 151 is arranged around display screen 12, rear cover 152 and display Screen 12 is separately positioned on the opposite two sides of electronic equipment 100.It is understood that display screen 12 can be electronic equipment 100 Front, rear cover 152 are the back side of electronic equipment 100.
Charging circuit 110 in order to further illustrate the embodiment of the present application electronic equipment 100 is the charging of battery 160 Journey, the following detailed description of charging circuit.
Referring to Fig. 4, Fig. 4 is the first structural schematic diagram of charging circuit provided by the embodiments of the present application.Charging electricity Road 110 may include wired charging module 120 and wireless charging module 130.
Wired charging module 120 includes first input end 1201, the first output end 1202 and the first one-way conduction unit 121, first input end 1201 is used to connect the output end 2001 of wired charger 200, and the first output end 1202 is for connecting electricity Pond 160, the first one-way conduction unit 121 are arranged between first input end 1201 and the first output end 1202, and first unidirectionally leads The logical anti-stop signal of unit 121 is transferred to first input end 1201 from the first output end 1202;
Wireless charging module 130 includes the second input terminal 1301, second output terminal 1302 and the second one-way conduction unit 131, the second input terminal 1301 is used to be used to connect battery with the non-contact connection of wireless charger 300, second output terminal 1302 160, the second one-way conduction unit 131 is arranged between the second input terminal 1301 and second output terminal 1302, the second one-way conduction The anti-stop signal of unit 131 is transferred to the second input terminal 1301 from second output terminal 1302.
Wherein, wired charging module 120 and wireless charging module 130 are used to charge to battery 160.Charging circuit 110 Include simultaneously wired charging module 120 and wireless charging module 130, a variety of situations can be applicable in, wired charging can be realized Wireless charging may be implemented, can also realize wired charging and wireless charging simultaneously.Wired charging module 120 and wireless charging mould Block 130 can charge to battery 160 simultaneously, improve charging current, shorten the charging time.Charging circuit 110 can be according to outside Charging equipment is flexibly charged using wired charging module 120 or wireless charging module 130 to battery 160.
For example, charged using wired charging module 120 to battery 160 when external charging equipment is wired charger 200, When external charging equipment is wireless charger 300, charged using wireless charging module 130 to battery 160.When external charging equipment When simultaneously including wired charger 200 and wireless charger 300, wired charging module 120, wireless charging can be flexibly selected Module 130 charges to battery 160, it is also an option that wired charging module 120 and wireless charging module 130 give battery 160 simultaneously Charging.
In addition, include an one-way conduction unit in wired charging module 120 and wireless charging module 130, it can be to prevent Only the output signal of wired charging module 120 is counter is poured into wireless charging module 130, can also prevent wireless charging module 130 Output signal is counter to be poured into wired charging module 120, can also prevent 160 signal of battery is counter to be poured into wired charging module 120 and nothing Line charging module 130.
Referring to Fig. 5, Fig. 5 is second of structural schematic diagram of charging circuit provided by the embodiments of the present application.Charging electricity Road 110 further includes processor 140.
Processor 140 connects the control terminal of wired charging module 120 and the control terminal of wireless charging module 130, processing The working condition of device 140 control wired charging module 120 and wireless charging module 130.
Wired charging module 120 and the working condition of wireless charging module 130 include at least idle state and charged state. When idle state, wired charging module 120 or wireless charging module 130 do not charge to battery 160.When charged state, there is line charge Electric module 120 or wireless charging module 130 charge to battery 160.Wired charging module 120 is controlled respectively by processor 140 With the working condition of wireless charging module 130.Wherein processor 140 can be the master chip of electronic equipment, or charging The control chip of circuit 110.
Referring to Fig. 6, Fig. 6 is the third structural schematic diagram of charging circuit provided by the embodiments of the present application.Wireless charging Module 130 further includes receiving coil 132, voltage-stablizer 133 and wireless charging managing chip 134.
Receiving coil 132 is the second input terminal 1301 of wireless charging module 130, and receiving coil 132 connects voltage-stablizer 133 Input terminal;The input terminal of the output end connection wireless charging managing chip 134 of voltage-stablizer 133;Wireless charging managing chip 134 Output end connect second output terminal 1302, wireless charging managing chip 134 include the second one-way conduction unit 131.
Receiving coil 132 can receive the electromagnetic signal of wireless charger sending, and the electromagnetic signal is then converted into electricity Signal.Voltage-stablizer 133 can stablize the electric signal, i.e., the electric signal that stable receiving coil 132 exports.Wireless charging managing chip 134 receive the electric signal after stablizing, and the voltage and current of the electric signal after stablizing then is adjusted according to the needs of battery 160, is made It can charge directly to battery 160.Wherein, voltage-stablizer 133 can be (the low dropout of low pressure difference linear voltage regulator 133 Regulator, LDO).
Please continue to refer to Fig. 6, which further includes wired charging interface 122, Overvoltage protecting unit 123 With wired charging managing chip 124.
Wired charging interface 122 is the first input end 1201 of wired charging module 120, and wired charging interface 122 connects The input terminal of Overvoltage protecting unit 123;The output end of Overvoltage protecting unit 123 is connected with the input of line charging management chip 124 End;The output end of wired charging managing chip 124 connects the first output end 1202, and wired charging managing chip 124 includes first One-way conduction unit 121.
Wired charging interface 122 can be universal serial bus ((Universal Serial Bus, USB)) interface, example Such as standard USB interface, MiniUSB interface, MicroUSB interface, USB Type-C interface.Wired charging interface 122 can also be with it His charging interface includes power positive cathode in other charging interfaces, by power positive cathode receive outside electric signal, for example, Other interfaces can be two power pins, other interfaces may be two hard contacts.Overvoltage protecting unit 123 (overvoltage protection, OVP) can prevent the overtension inputted by wired charging interface 122 to there is line charge The damage of the components such as electric managing chip 124.
In some embodiments, anti-negative pressure can also be set between Overvoltage protecting unit 123 and wired charging interface 122 Circuit, anti-negative pressure circuit can prevent the negative pressure part in the signal of input from damaging charging circuit 110.For example, anti-negative pressure electricity Road can be bridge circuit, half bridge circuit etc..
Wherein, the first one-way conduction unit is set in wired charging managing chip, setting the in wireless charging managing chip Two one-way conduction units, therefore, wired charging managing chip and wireless charging managing chip all have the function of counnter attack filling, do not need Increase additional counnter attack and fills circuit to prevent wireless charging power supply is counter to be poured on wired charging power supply or wired charging power supply is anti- It is poured on wireless charging power supply.Wherein the first one-way conduction unit and the second one-way conduction unit can be diode, field-effect Pipe, triode etc..
Referring to Fig. 7, Fig. 7 is the 4th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.Charging electricity Road 110 further includes processor 140, which includes the first detection port 141 and the second detection port 142.
First detection port 141 is connected with the input terminal of line charging management chip 124, and the second detection port 142 connects nothing The input terminal of line charging management chip 134;
According to the testing result of the first detection port 141 and the second detection port 142, processor 140 controls wired charging The working condition of managing chip 124 and wireless charging management 134.
When wired charging interface 122 connect wired charger when, wired charging interface 122 have charging signals enter it is wired Charging paths, the charging signals flow into wired charging managing chip 124.First detection port 141 can detecte wired charging branch Whether whether road has charging signals input, it is understood that have charging signals to enter wired charging managing chip 124.
When receiving coil 132 receives electromagnetic signal and is converted into electric signal, which enters wireless charging branch, The electric signal flows into wireless charging managing chip 134.Second detection port 142 can detecte whether wireless charging branch has charging Signal input, it is understood that whether to there are charging signals to enter wireless charging managing chip 134.
Processor 140 can control wired according to the testing result of the first detection port 141 and the second detection port 142 Charging module 120 and wireless charging module 130.Specifically, control has line charge when only wired charging branch has charging signals Electric managing chip 124 enters charged state, and control wireless charging managing chip 134 enters idle state.When only wireless charging When branch has charging signals, control wireless charging managing chip 134 enters charged state, controls wired charging managing chip 124 Into idle state.When wired charging branch and wireless charging branch have charging signals, processor 140 can control wired Charging management chip 124 preferentially charges to battery 160, also can control wireless charging managing chip 134 and preferentially fills to battery 160 Electricity also can control wired charging managing chip 124 and wireless charging managing chip 134 while charge to battery 160.
Continuing with Fig. 7 is consulted, which may include the first communication port 1241, wireless charging Managing chip 134 includes the second communication port 1341, which further includes processor 140, and processor 140 includes the Detect port 142 and third communication port 143 in one detection port 141, second.
First detection port 141 is connected with the input terminal of line charging management chip 124, and the second detection port 142 connects nothing The input terminal of line charging management chip 134, third communication port 143 and the first communication port 1241, the second communication port 1341 Connection;
According to the testing result of the first detection port 141 and the second detection port 142, processor 140 passes through the third communication Port 143 sends control instruction, and wired charging managing chip receives control instruction, wireless charging by the first communication port 1241 Managing chip receives control instruction by the second communication port 1341, and wired charging managing chip 124 and wireless charging manage core Piece 134 selects working condition according to control instruction.
When wired charging interface 122 connect wired charger when, wired charging interface 122 have charging signals enter it is wired Charging paths, the charging signals flow into wired charging managing chip 124.First detection port 141 can detecte wired charging branch Whether whether road has charging signals input, it is understood that have charging signals to enter wired charging managing chip 124.
When receiving coil 132 receives electromagnetic signal and is converted into electric signal, which enters wireless charging branch, The electric signal flows into wireless charging managing chip 134.Second detection port 142 can detecte whether wireless charging branch has charging Signal input, it is understood that whether to there are charging signals to enter wireless charging managing chip 134.
Processor 140 can control wired according to the testing result of the first detection port 141 and the second detection port 142 Charging module 120 and wireless charging module 130.It is controlled specifically, processor 140 can be sent by third communication port 143 Instruction, wired charging managing chip 124 pass through the second communication by the first communication port 1241 and wireless charging managing chip 134 Port 1341 receive control instruction, then according to control instruction implement for operation.For example, when only wired charging branch has When charging signals, control wired charging managing chip 124 enters charged state, and control wireless charging managing chip 134 enters empty Not busy state.When only wireless charging branch has charging signals, control wireless charging managing chip 134 enters charged state, control Line charging management chip 124 is formed with into idle state.When wired charging branch and wireless charging branch have charging signals, Processor 140 can control wired charging managing chip 124 and preferentially charge to battery 160, also can control wireless charging management Chip 134 preferentially charges to battery 160, also can control wired charging managing chip 124 and wireless charging managing chip 134 is same When give battery 160 charge.
Wherein, the first communication port 1241, the second communication port 1341 and third communication port 143 can be logical using IIC Believe port.Other access ports can also be used.
Referring to Fig. 8, Fig. 8 is the 5th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.In some realities It applies in example, wired charging managing chip 124 and wireless charging managing chip 134 are identical.
Charging circuit 110 further includes switch block 150.
The first input end 1501 of switch block 150 connects the output end of Overvoltage protecting unit 123, switch block 150 Second input terminal 1502 connects the output end of voltage-stablizer 133, and the first output end 1503 of switch block 150 is connected with line charge fulgurite The input terminal of chip 124 is managed, the second output terminal 1504 of switch block 150 connects the input terminal of wireless charging managing chip 134.
The control terminal 1505 of switch block 150 connects processor 140, and the control terminal of switch block 150 is according to processor 140 Control instruction, the first output end 1503 and second output terminal 1504 of control switch component 150 with switch block 150 The first output end 1503 and second output terminal 1504 of the connection of one input terminal 1501 or control switch component 150 are and switching group Second input terminal 1502 of part 150 connects.
During wireless charging, the fever of wireless charging managing chip 134 affects the efficiency of wireless charging than more serious And safety.Wired charging managing chip 124 and wireless charging managing chip 134 are identical charging management chip.By opening Closing component 150 can control two charging management chips and is all connected with line charge electrical interface 122 or wireless receiving coil 132, can be with The electric current for passing through each charging management chip is reduced, the fever of charging management chip is reduced, improves each charging management chip Temperature rise, and then improve the temperature rise of charging circuit 110 and electronic equipment.
In some other embodiment, processor 140 can with the first input end 1501 of control switch component 150 with open The first output end 1503 conducting for closing component 150, can control the second input terminal 1502 and switch block of switch block 150 150 second output terminal 1504 is connected, can control switch block 150 first input end 1501 and switch block 150 the The conducting of two output ends 1504 can control the first output end of the second input terminal 1502 and switch block 150 of switch block 150 1503 conductings.The switching between two charging management chips can also be carried out according to each charging management chip state.For example, The temperature of wired charging managing chip 124 is excessively high, then is switched to wireless charging managing chip 134 and charges.It needs to illustrate It is that in the present embodiment, wired charging interface 122 obtains charging signals or receiving coil 132 obtains charging signals and can be carried out The charging circuit 110 of the present embodiment.
In another example when wired charging interface 122 obtains charging signals, while when receiving coil 132 also obtains charging signals, Wherein the temperature of wireless charging managing chip 134 is excessively high, then wired charging managing chip 124 and wireless charging managing chip 134 It swaps, that is, the charging signals that wired charging interface 122 obtains are filled by wireless charging managing chip 134 to battery 160 Electricity, the charging signals that receiving coil 132 obtains are charged by wired charging managing chip 124 to battery 160.
Referring to Fig. 9, Fig. 9 is the 6th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.The wireless charging The quantity of electric managing chip 134 is at least two, and at least two wireless charging managing chips 134 are arranged in parallel.
At least two wireless charging managing chips 134 are arranged in parallel, i.e., the input terminal of each wireless charging managing chip 134 The output end of voltage-stablizer 133 is all connected, the output end of each wireless charging managing chip 134 connects battery 160.By at least Two wireless charging managing chips 134 charge to battery 160 simultaneously, reduce the electric current of each wireless charging managing chip 134, subtract The fever of few each wireless charging managing chip 134, improves the temperature rise of wireless charging managing chip 134 and electronic equipment.
Please continue to refer to Fig. 9, in some embodiments, quantity and the wireless charging managing chip 134 of receiving coil 132 Quantity is identical, and at least two receiving coils 132 and at least two wireless charging managing chips 134 correspond.
The calorific value of wireless charging is bigger.For receiving end, there are the friendships of larger current inside receiving coil 132 Galvanic electricity, there are the resistance losses of coil 132.Other than the resistance loss of coil 132, the rectification circuit and power conversion of rear end There are losses.These losses all constitute the pyrotoxin of electronic equipment wireless charging.When receiving electric energy with relatively high power, coil Electric current inside 132 is very big, and the ohmic losses of generation are also very big, is easy to produce biggish fever, makes the temperature of electronic equipment It is higher.It is charged by least two receiving coils 132, each 132 electric current of receiving coil can be reduced, reduce each reception The fever of coil 132 improves the temperature rise of each receiving coil 132, and then improves the temperature rise of charging circuit 110 and electronic equipment. Corresponding, wireless charger 300 also has at least two transmitting coils 310, and receiving coil 132 and transmitting coil 310 correspond.
It, can also be with it should be noted that at least two wireless charging managing chips can only be arranged in the embodiment of the present application At least two receiving coils are only set, at least two wireless charging managing chips and at least two can also be set simultaneously and receive line Circle, and wireless charging managing chip and receiving coil correspond.
Referring to Fig. 10, Figure 10 is the 7th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.The charging Circuit 110 can also include temperature detector 170, and temperature detector 170 is used to obtain the first temperature of wired charging module 120 The second temperature of degree and wireless charging module 130.The temperature detector 170 can be multiple, 120 He of wired charging module Wireless charging module 130 is respectively provided at least one, which may be one, and timesharing detects wired charging mould The temperature of block 120 and wireless charging module 130.Wherein, the first temperature can be the bulk temperature of wired charging module 120, It can be the temperature of any one in wired charging interface 122, Overvoltage protecting unit 123 and wired charging managing chip 124, It can be wired charging interface 122, Overvoltage protecting unit 123 and the wired charging managing chip 124 3 middle highest temperature of temperature Degree.Second temperature can be the bulk temperature of wireless charging module 130, or receiving coil 132, voltage-stablizer 133 and nothing The temperature of any one in line charging management chip 134, or receiving coil 132, voltage-stablizer 133 and wireless charging management The chip 134 3 middle highest temperature of temperature.
Processor 140 is electrically connected with temperature detector 170, when wired charging module 120 and wireless charging module 130 all exist When work, that is, when wired charging module 120 and wireless charging module 130 all obtain electric energy, according to 120 He of wired charging module The temperature of wireless charging module 130 controls wired charging module 120 and wireless charging module 130.
Specifically, processor 140 controls wired charging when the first temperature and second temperature are respectively less than preset temperature threshold Module 120 and Wireless-wire charging module 120 charge to battery 160 simultaneously.There is 130 temperature of charging module and wireless charging module It is all lower, it can charge simultaneously to battery 160, improve charge efficiency.When at least one in the first temperature and second temperature is greater than Preset temperature threshold, and the first temperature be less than second temperature when, control wired charging module 120 to battery 160 charging.There is line charge The temperature of electric module 120 is lower than the temperature of wireless charging module 130, is charged using wired charging module 120 to battery 160, no It is charged, can both be charged to battery 160, while making higher than preset temperature threshold to battery 160 using wireless charging module 130 Wireless charging module 130 cools down, and prevents from burning out wireless charging module 130.
When at least one in the first temperature and second temperature be greater than preset temperature threshold, and the first temperature be greater than second temperature When, control wireless charging module 130 charges to battery 160.
The temperature of wireless charging module 130 is lower than the temperature of wired charging module 120, is given using wireless charging module 130 Battery 160 charges, and charges, can both charge to battery 160, while making to be higher than to battery 160 without using wired charging module 120 The wired charging module 120 of preset temperature threshold cools down, and prevents from burning out wired charging module 120.
Figure 11 is please referred to, Figure 11 is the 8th kind of structural schematic diagram of charging circuit provided by the embodiments of the present application.Charging electricity Road 110 further includes power detector 180, power detector 180 be used to obtain wireless charging module 130 the first output power, Second output power of wireless charging module 130.The power detector 180 can be to be multiple, wired charging module 120 and wireless Charging module 130 is respectively provided at least one, which may be one, and timesharing detects wired charging module 120 With the power of wireless charging module 130.
Processor 140 is electrically connected with power detector 180, when wired charging module 120 and wireless charging module 130 all exist When work, that is, when wired charging module 120 and wireless charging module 130 all obtain electric energy, according to 120 He of wired charging module The power that wireless charging module 130 exports, controls wired charging module 120 and wireless charging module 130.
When the first output power is less than the second output power, processor 140 controls wireless charging module 130 to battery 160 chargings.It is charged using the wireless charging module 130 of higher power to battery 160, improves charge efficiency, shorten the charging time. When the first output power is greater than the second output power, processor 140 controls wired charging module 120 and charges to battery 160.Make It is charged with the wired charging module 120 of higher power to battery 160, improves charge efficiency, shorten the charging time.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment Point, reference can be made to the related descriptions of other embodiments.
A kind of charging circuit and electronic equipment provided by the embodiment of the present application are described in detail above, herein Applying specific case, the principle and implementation of this application are described, and the explanation of above example is only intended to help Understand the present processes and its core concept;Meanwhile for those skilled in the art, according to the thought of the application, having There will be changes in body embodiment and application range, in conclusion the content of the present specification should not be construed as to the application Limitation.

Claims (12)

1. a kind of charging circuit is applied to electronic equipment, which is characterized in that the charging circuit includes wired charging module and nothing Line charging module, in which:
The wired charging module includes first input end, the first output end and the first one-way conduction unit, first input Hold the output end for connecting wired charger, first output end is for connecting battery, and the wired charging module is by institute The electric energy for stating wired charger is transferred to the battery, and the first one-way conduction unit is arranged in the first input end and institute It states between the first output end, the anti-stop signal of the first one-way conduction unit is transferred to the first input from first output end End;
The wireless charging module includes the second input terminal, second output terminal and the second one-way conduction unit, second input End for the non-contact connection of wireless charger, the second output terminal is for connecting the battery, the wireless charging module The energy that the wireless charger emits is converted into electric energy, and the electric energy is transferred to the battery, described second is unidirectional Onunit is arranged between second input terminal and the second output terminal, the anti-stop signal of the second one-way conduction unit The second input terminal is transferred to from second output terminal.
2. charging circuit according to claim 1, which is characterized in that the charging circuit further includes processor;
The processor connects the control terminal of the wired charging module and the control terminal of the wireless charging module, described Processor controls the working condition of the wired charging module and the wireless charging module.
3. charging circuit according to claim 1, which is characterized in that the wireless charging module further include receiving coil, Voltage-stablizer and wireless charging managing chip;
The receiving coil is second input terminal, and the receiving coil connects the input terminal of the voltage-stablizer;
The output end of the voltage-stablizer connects the input terminal of the wireless charging managing chip;
The output end of the wireless charging managing chip connects the second output terminal, and the wireless charging managing chip includes institute State the second one-way conduction unit.
4. charging circuit according to claim 3, which is characterized in that the wired charging module further includes that wired charging connects Mouth, Overvoltage protecting unit and wired charging managing chip;
The wired charging interface is the first input end, and the wired charging interface connects the defeated of the Overvoltage protecting unit Enter end;
The output end of the Overvoltage protecting unit connects the input terminal of the wired charging managing chip;
The output end of the wired charging managing chip connects first output end, and the wired charging managing chip includes institute State the first one-way conduction unit.
5. charging circuit according to claim 4, which is characterized in that the charging circuit further includes processor, the place Managing device includes the first detection port and the second detection port;
First detection port connects the input terminal of the wired charging managing chip, and described second detects described in the connection of port The input terminal of wireless charging managing chip;
According to the testing result of the first detection port and second detection port, there is line charge described in the processor control The working condition of electric managing chip and the wireless charging managing chip.
6. charging circuit according to claim 4, which is characterized in that the wired charging managing chip includes the first communication Port, the wireless charging managing chip include the second communication port, and the charging circuit further includes processor, the processor Including the first detection port, the second detection port and third communication port;
First detection port connects the input terminal of the wired charging managing chip, and described second detects described in the connection of port The input terminal of wireless charging managing chip, the third communication port and first communication port, second communication port Connection;
According to the testing result of the first detection port and second detection port, the processor is logical by the third Believe that port sends control instruction, the wired charging managing chip receives the control instruction by the first communication port, described Wireless charging managing chip receives the control instruction, the wired charging managing chip and institute by second communication port It states wireless charging managing chip and working condition is selected according to the control instruction.
7. charging circuit according to claim 5 or 6, which is characterized in that the wired charging managing chip and wireless charging Electric managing chip is identical charging management chip;
The charging circuit further includes switch block;
The first input end of the switch block connects the output end of the Overvoltage protecting unit, and the second of the switch block is defeated Enter the output end that end connects the voltage-stablizer, the first output end of the switch block is connected with the input of line charging management chip End, the second output terminal of the switch block connect the input terminal of the wireless charging managing chip;
The control terminal of the switch block connects the processor, and the control terminal of the switch block is according to the control of the processor System instruction, the second output terminal of the first output end and the switch block that control the switch block with the switch block First input end connection, or the control switch block the first output end and the switch block second output terminal with Second input terminal of the switch block connects.
8. charging circuit according to claim 3, which is characterized in that the quantity of the wireless charging managing chip is at least Two, at least two wireless charging managing chips are arranged in parallel.
9. charging circuit according to claim 8, which is characterized in that the quantity of the receiving coil and the wireless charging The quantity of managing chip is identical, and at least two receiving coils and at least two wireless charging managing chips one are a pair of It answers.
10. the charging circuit according to any one of claim 2,5 and 6, which is characterized in that the charging circuit also wraps Include temperature detector, the temperature detector obtain the wired charging module the first temperature and the wireless charging mould The second temperature of block;
The processor connects with the temperature detector electrical, when first temperature and the second temperature are respectively less than default temperature When spending threshold value, the processor controls the wired charging module and the Wireless-wire charging module gives the battery to fill simultaneously Electricity;When at least one in first temperature and the second temperature is greater than preset temperature threshold, and first temperature is less than When the second temperature, controls the wired charging module and charge to the battery;When first temperature and second temperature At least one in degree be greater than preset temperature threshold, and first temperature be greater than the second temperature when, control the wireless charging Electric module charges to the battery.
11. the charging circuit according to any one of claim 2,5 and 6, which is characterized in that the charging circuit also wraps Power detector is included, the power detector obtains the first output power of the wireless charging module, the wireless charging mould Second output power of block;
The processor is electrically connected with the power detector, when first output power is less than second output power When, the processor controls the wireless charging module and charges to the battery;When first output power is greater than described the When two output powers, the processor controls the wired charging module and charges to the battery.
12. a kind of electronic equipment, which is characterized in that including battery and charging circuit, the charging circuit connects the battery, institute State charging circuit charging circuit for example of any of claims 1-11.
CN201821312388.9U 2018-08-14 2018-08-14 Charging circuit and electronic equipment Active CN208738925U (en)

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Application Number Priority Date Filing Date Title
CN201821312388.9U CN208738925U (en) 2018-08-14 2018-08-14 Charging circuit and electronic equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111313500A (en) * 2020-03-16 2020-06-19 Oppo广东移动通信有限公司 Charging management method and device, electronic equipment and computer readable storage medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111313500A (en) * 2020-03-16 2020-06-19 Oppo广东移动通信有限公司 Charging management method and device, electronic equipment and computer readable storage medium

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