CN106356935A - Electronic device and charging method thereof - Google Patents
Electronic device and charging method thereof Download PDFInfo
- Publication number
- CN106356935A CN106356935A CN201610852232.9A CN201610852232A CN106356935A CN 106356935 A CN106356935 A CN 106356935A CN 201610852232 A CN201610852232 A CN 201610852232A CN 106356935 A CN106356935 A CN 106356935A
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- China
- Prior art keywords
- charger
- electronic installation
- charging
- agreement
- port type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
Abstract
The invention discloses an electronic device, comprising a charging module for connecting a charger, a CPU (Central Processing Unit) connected with the charger and used for detecting the port type of the connected charger and acquiring the charging current corresponding to the port type from the charger according to the port type of the charger, and charging the electronic device, and an MCU (Micro Controller Unit) connected with the charger and also used for further detecting the dedicated charging protocol supported by the charger and selecting the corresponding dedicated charging protocol scheme to control the charger to charge the electronic device when the charger is detected as a dedicated charging port type charger. The invention also provides a charging method. The electronic device and the charging method provided by the invention are compatible with various fast charging protocols.
Description
Technical field
The present invention relates to rapid nitriding field is and in particular to a kind of electronic installation and its charging method.
Background technology
A kind of fast charge protocol generally only supported by the electronic installations such as existing mobile phone, for example, supports vooc agreement side
The mobile phone of case does not generally just support pe+2.0 protocol scheme, can only arrange in pairs or groups and support that the charger of vooc agreement is realized quickly filling
Electricity is it is impossible to collocation supports that the charger of pe+2.0 agreement carries out quick charge.Generally support the mobile phone of pe+2.0 protocol scheme
Do not support and vooc protocol scheme, can only arrange in pairs or groups and support the charger of pe+2.0 agreement to realize quick charge it is impossible to collocation is propped up
The charger holding vooc agreement carries out quick charge.Therefore, existing electronic installation is poor to the compatibility of charger.
Content of the invention
In view of the foregoing it is necessary to provide a kind of can the simultaneously compatible charger supporting pe+2.0 agreement and vooc agreement
Electronic installation.
In addition it is necessary to provide a kind of above-mentioned electronic installation corresponding charging method.
A kind of electronic installation, described electronic installation includes:
Charging module, described charging module is used for connecting charger；
Cpu (central processing unit, central processing unit), described cpu supports usb pd protocol interface, and
It is connected with charger, for detecting the port type of the described charger being connected, and the port type according to described charger,
Obtain charging current corresponding with described port type from described charger, to be charged to described electronic installation；
Described cpu is additionally operable to when the charger that described charger is special charging port type is detected, and detection is described
The first kind that charger is supported fills agreement soon, and selects the corresponding first kind to fill the protocol scheme described charger of control soon to institute
State electronic installation to be charged, the described first kind is filled agreement soon and included pump express2.0 agreement；
Mcu (micro controller unit, micro-control unit), described mcu is connected with described charger, described mcu
For when detect described charger be special charging port type charger when, detect described charger supported second
Class fills agreement soon, and select corresponding Equations of The Second Kind fill soon protocol scheme control described charger described electronic installation is filled
Electricity, described Equations of The Second Kind fills agreement soon and includes voltage open loop multistep constant-current charge vooc agreement；
When described cpu detects the charger that described charger is standard down port type, described cpu fills from described
Electrical equipment obtains the first charging current and described electronic installation is charged；
When described cpu detects the charger that described charger is charging downlink port type, described cpu fills from described
Electrical equipment obtains the second charging current and described electronic installation is charged.
According to the preferred embodiment of the present invention, described electronic installation also includes power management module, described power management module
For detecting whether described charging module is connected with charger, and when described electronic installation is connected with described charger, described
Cpu detects the port type of described charger.
According to the preferred embodiment of the present invention, described cpu detects usb battery charging specifications 1.2 agreement, to complete electronic installation
Shake hands with the first time of charger.
According to the preferred embodiment of the present invention, it is filling of special charging port type when described cpu detects described charger
Electrical equipment, and be not detected by the first kind that described charger supported and fill agreement soon and when Equations of The Second Kind fills agreement soon, fill according to 5v
Appliance type is charged to described electronic installation.
A kind of charging method, for controlling charger that electronic installation is charged, methods described includes:
Detect the port type of described charger；
According to the port type of described charger, obtain corresponding charging current from described charger and described electronic installation is entered
Row charges；And
When the charger that described charger is special charging port type is detected, and detect what described charger was supported
When the first kind fills agreement soon, select the corresponding first kind to fill protocol scheme soon and control described charger that described electronic installation is carried out
Charge, the described first kind is filled agreement soon and included pump express 2.0 agreement；
When the charger that described charger is special charging port type is detected, and described charger is detected and support the
When two classes fill agreement soon, select corresponding Equations of The Second Kind to fill protocol scheme soon and control described charger that described electronic installation is filled
Electricity, described Equations of The Second Kind fills agreement soon and includes voltage open loop multistep constant-current charge vooc agreement；
When the charger that described charger is standard down port type is detected, obtain first from described charger and fill
Electric current is charged to described electronic installation；
When the charger that described charger is charging downlink port type, obtain the second charging current from described charger
Described electronic installation is charged.
According to the preferred embodiment of the present invention, methods described also include detecting the charging module of described electronic installation whether with institute
State charger to be connected, and when described electronic installation is connected with described charger, detect the port type of described charger.
According to the preferred embodiment of the present invention, methods described also includes:
Detection usb battery charging specifications 1.2 agreement, was shaken hands with the first time completing electronic installation and charger.
According to the preferred embodiment of the present invention, methods described also includes:
When the charger that described charger is special charging port type is detected, and it is not detected by described charger institute
The first kind supported fills agreement and when Equations of The Second Kind fills agreement soon soon, according to 5v charger type, described electronic installation is filled
Electricity.
Compared to prior art, described electronic installation and its charging method can detect the charging association that described charger is supported
View, and select corresponding charge protocol to be charged according to testing result so that electronic installation is compatible supports that the first kind is filled soon
Agreement and Equations of The Second Kind fill the charger of agreement soon, are user-friendly to, and lift Consumer's Experience.
Brief description
It is the circuit diagram of the electronic installation of a preferred embodiment of the present invention shown in Fig. 1.
It is the flow chart of the method for the present invention first preferred embodiment shown in Fig. 2.
It is the flow chart of the method for the present invention second preferred embodiment shown in Fig. 3.
Main element symbol description
Electronic installation 100
Charging module 10
cpu 30
mcu 50
Power management module 70
Charger 200
Adapter 201
Power pins vbus
Grounding pin gnd
Data pin usb_d+, usb_d-
First resistor r1
Second resistance r2
Following specific embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is purged, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.
Based on the embodiment in the present invention, those of ordinary skill in the art institute on the premise of not making creative work
The every other embodiment obtaining, broadly falls into the scope of protection of the invention.
With reference to shown in Fig. 1, it is the circuit diagram of the electronic installation 100 of present pre-ferred embodiments.Described electronic installation 100 wraps
Include charging module 10, cpu (central processing unit, central processing unit) 30 and mcu (micro controller
Unit, micro-control unit) 50.Described electronic installation 100 can be connected with charger 200, to be charged.Described charger 200
Including adapter 201.Described adapter 201 can be usb adapter, and described adapter 201 includes voltage pin vbus, ground connection
Pin gnd, data pin usb_d+ (d+) and usb_d- (d-).
Described charging module 10 is used for being connected with charger 200, described charging module 10 and vbus pin, grounding pin
Gnd is joined directly together.
Described cpu30 is connected and data pin usb_d- and charger by data pin usb_d+ of adapter 201
200 are connected.Described cpu30 is used for the port type of the described charger 200 that detection is connected, and according to described charger 200
Port type, control the charging scheme to electronic installation 100 for the described charger 200.Specifically, cpu30 is from described charger
200 acquisition charging currents corresponding with described port type, are filled to described electronic installation 100 by charging module 10
Electricity.
In this preferred embodiment, the port type of described charger 200 includes sdp (standard downstream
Port, standard down port), cdp (charging downstream port, charging downlink port) and dcp
(dedicated charging port, special charging port).If it is sdp that described cpu30 detects described charger 200
Type, then obtain the first charging current from described charger 200 and described electronic installation be charged, if described cpu30 inspection
Measuring described charger 200 is cdp type, then obtain the second charging current from described charger 200 and described electronic installation is entered
Row charges.In this preferred embodiment, described first charging current is the charging current that maximum current is about 500ma, described the
Two charging currents are about the charging current of 900ma for maximum current.
If described cpu30 detects the charger that described charger 200 is dcp type, described cpu30 detects further
Whether described charger 200 supports that the first kind fills agreement soon, if described charger 200 supports that the first kind fills agreement soon, selects
Select the corresponding first kind and fill protocol scheme soon and described electronic installation 100 is charged.
Described mcu50 is connected with described charging module 10 with second resistance r2 through first resistor r1, and described mcu50 is used for
When the charger that described charger 200 is dcp type is detected, detect whether described charger 200 supports that Equations of The Second Kind fills association soon
View, if described charger 200 supports that Equations of The Second Kind fills agreement soon, selects corresponding Equations of The Second Kind to fill protocol scheme soon to described electricity
Sub-device 100 is charged.In other embodiments it is also possible to detect described charger 200 whether further by described cpu30
Support that Equations of The Second Kind fills agreement soon.
In this preferred embodiment, the described first kind is filled agreement soon and is included pump express 2.0 and fills agreement soon, (referred to as
Pe+2.0), described Equations of The Second Kind fills agreement soon and includes vooc (voltage open loop multi-step constant-
Current charging, voltage open loop multistep constant-current charge) agreement.Described cpu 30 specifically detects described charger 200 institute
The first kind supported fills agreement soon and described mcu 50 specifically detects that the Equations of The Second Kind that described charger 200 is supported fills agreement soon
Method specifically will describe in detail in the better embodiment of the present invention as shown in Fig. 2, Fig. 3.
In another preferred embodiment of the present invention, described electronic installation 100 also includes power management module 70, described electricity
Source control module 70 is used for detecting whether described electronic installation 100 is connected with described charger 200, if described charging module 10
It is connected with described charger 200, then described cpu30 detects the port type of described charger 200, if described charging mould
Block 10 is not connected with described charger 200, then described power management module 70 is then with predeterminated frequency duplicate detection, until detecting
Described charger 200 is connected with described electronic installation 100.
With reference to shown in Fig. 2, the flow chart of charging method first better embodiment of the present invention.Described charging method include with
Lower step.Described better embodiment is also presently preferred embodiments of the present invention.According to different demands, flow chart shown in described figure
In execution sequence can change, some can omit.
Step 300, described power management module 70 detects whether described charging module 10 is connected with described charger 200,
If described electronic installation 100 is detected to be connected with charger 200, enter step 301, if being not detected by described electronics dress
Put 100 to be connected with charger 200, then repeating said steps.
Step 301, described cpu 30 detection usb battery charging specifications 1.2 agreement (abbreviation bc 1.2), to complete electronics dress
Put 100 to shake hands with first time of charger 200.
Step 302, whether the connected charger of described cpu 30 detection 200 is the charger of dcp type, if detection
It is the charger 200 of dcp type to the charger 200 being connected, then enter step 303, if connected charging is detected
Device 200 is not the charger of dcp type, then enter step 308.
In one embodiment of the invention, when electronic installation 100 is connected to a charger, then open electronics dress
Put pull-up power supply vdm_src of 100 d- signal, that is, the d- signal of electronic installation 100 is high level, disconnects electronic installation 100
D+ signal pull-up power supply vdp_src, open the pull-down current source idp_sink of the d+ signal of electronic installation 100, now electricity
The d+ signal of sub-device 100 will become high level, now, judge the charger as dcp type for the connected charger accordingly.
Step 303, described mcu 50 detects whether described charger 200 supports vooc agreement, if described charger 200
Support vooc agreement, then enter step 304, if qc2.0 agreement do not supported by described charger 200, enter step 305.
In one embodiment of the invention, described mcu 50 passes through to detect the d+ signal of adapter 201, and d- signal comes
Judge the agreement of vooc, wherein d+ is used for transmitting the clk data of handshake, d- is used for transmitting the data data of handshake.
Step 304, described mcu 50 controls charging module 10 using vooc protocol scheme, described electronic installation 100 to be carried out
Charge.
Step 305, described cpu 30 detects whether described charger 200 supports pe+2.0 agreement, if described charger
200 support pe+2.0 agreements, then enter step 306, if pe+2.0 agreement do not supported by described charger 200, enters step
307.
In one embodiment of the invention, when charging module 10 determines that the charger being connected with electronic installation 100 is cdp
When type or dcp type, charging module 10 sends up voltage instruction current pattern and inserts it is therefore an objective to distinguish further
Whether the device entering is the power supply adaptor meeting pe+2.0 agreement.
The output voltage of charger 200 adjusts to 7v and maintains.Therefore, charging module 10 can be determined that through measuring vbus
Whether the device via the insertion of usb adapter is the power supply adaptor meeting fc agreement.If vbus meets power supply adaptor output
The specification of 7v is it is possible to determine that support pe+2.0 agreement for charger 200.
Step 306, described cpu 30 controls charging module 10 using pe+2.0 protocol scheme, described electronic installation 100 to be entered
Row charges.
Step 307, described cpu 30 carries out normal charge according to common 5v charger type.
Step 308, whether the connected charger of described cpu 30 detection 200 is the charger 200 of sdp type, if
The charger that connected charger 200 is sdp type is detected, then enter step 309, if connected charging is detected
Device 200 is not the charger of sdp type, then enter step 310.
In one embodiment of the invention, after electronic installation 100 is connected to charger 200, if charging module 10 is examined
Measure d+, d- signal of electronic installation by during low level it is determined that the equipment being connect is sdp type of charge device.
Step 309, described cpu 30 obtains the first charging current from charger 200 and described electronic installation 100 is filled
Electricity.In this preferred embodiment, described first charging current is about the charging current of 500ma for maximum current.
Step 310, whether the connected charger of described cpu 30 detection 200 is the charger 200 of cdp type, if
The charger that connected charger 200 is cdp type is detected, then enter step 311, if connected charging is detected
Device 200 is not the charger of cdp type, then enter step 312.
In one embodiment of the invention, when electronic installation 100 is connected to a charger, then open electronics dress
Put pull-up power supply vdm_src of 100 d- signal, that is, the d- signal of electronic installation 100 is high level, disconnects electronic installation 100
D+ signal pull-up power supply vdp_src, open the pull-down current source idp_sink of the d+ signal of electronic installation 100, now electricity
The d+ signal of sub-device 100 will become low level, then can judge the charger as cdp type for the connected charger accordingly.
Step 311, described cpu 30 obtains the second charging current from charger 200 and described electronic installation 100 is filled
Electricity.In this preferred embodiment, described second charging current is about the charging current of 900ma for maximum current.
Step 312, described cpu 30 obtains the 3rd charging current from charger 200 and described electronic installation 100 is filled
Electricity.In this preferred embodiment, described 3rd charging current is about the charging current of 500ma for maximum current.
It is understood that as shown in figure 3, in the present invention second better embodiment, being judged as YES in step 302
When, execution step 305.When step 305 is judged as YES, execution step 306；When step 305 is judged as NO, execution step
303.When step 303 is judged as YES, execution step 304；When step 303 is judged as NO, execution step 307.Other steps and Fig. 2
Identical, do not repeating.
What the electronic installation 100 of the present invention and its charging method can detect that described charger 200 is supported special fills soon
Electric agreement, and select the corresponding special charge protocol that fills soon to be charged so that electronic installation 100 is compatible according to testing result
Support that the first kind fills the charger 200 that agreement, Equations of The Second Kind fill agreement soon soon, be user-friendly to, lift Consumer's Experience.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as limiting involved claim.This
Outward it is clear that " inclusion " one word is not excluded for other units or, odd number is not excluded for plural number.Multiple units of statement in system claims
Or device can also be realized by software or hardware by a unit or device.The first, the second grade word is used for representing name
Claim, and be not offered as any specific order.
Finally it should be noted that above example is only in order to illustrate technical scheme and unrestricted, although reference
Preferred embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the present invention's
Technical scheme is modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Claims (8)
1. a kind of electronic installation is it is characterised in that described electronic installation includes:
Charging module, described charging module is used for connecting charger；
Cpu (central processing unit, central processing unit), described cpu is connected with charger, is connected for detection
The port type of the described charger connecing, and the port type according to described charger, obtain and described end from described charger
The mouth corresponding charging current of type, to be charged to described electronic installation；
Described cpu is additionally operable to, when the charger that described charger is special charging port type is detected, detect described charging
The first kind that device is supported fills agreement soon, and selects the corresponding first kind to fill the protocol scheme described charger of control soon to described electricity
Sub-device is charged, and the described first kind is filled agreement soon and included pump express2.0 agreement；
Mcu (micro controller unit, micro-control unit), described mcu is connected with described charger, and described mcu is used for
When the charger that described charger is special charging port type is detected, detect that the Equations of The Second Kind that described charger is supported is fast
Filling agreement, and select corresponding Equations of The Second Kind to fill protocol scheme soon controls described charger that described electronic installation is charged, institute
State Equations of The Second Kind and fill agreement soon and include voltage open loop multistep constant-current charge vooc agreement；
When described cpu detects the charger that described charger is standard down port type, described cpu is from described charger
Obtain the first charging current described electronic installation is charged；
When described cpu detects the charger that described charger is charging downlink port type, described cpu is from described charger
Obtain the second charging current described electronic installation is charged.
2. electronic installation as claimed in claim 1 is it is characterised in that described electronic installation also includes power management module, institute
State power management module to be used for detecting whether described charging module is connected with charger, and in described electronic installation and described charging
When device is connected, described cpu detects the port type of described charger.
3. electronic installation as claimed in claim 1 it is characterised in that described cpu detection usb battery charging specifications 1.2 agreement,
Shaken hands with the first time completing electronic installation and charger.
4. electronic installation as claimed in claim 1 is it is characterised in that be special filling when described cpu detects described charger
The charger of electric port type, and it is not detected by that the first kind that described charger supported fills agreement soon and Equations of The Second Kind fills association soon
During view, according to 5v charger type, described electronic installation is charged.
5. a kind of charging method, for controlling charger electronic installation to be charged it is characterised in that methods described includes:
Detect the port type of described charger；
According to the port type of described charger, obtain corresponding charging current from described charger and described electronic installation is filled
Electricity；And
When the charger that described charger is special charging port type is detected, and detect that described charger is supported first
When class fills agreement soon, select the corresponding first kind to fill protocol scheme soon and control described charger that described electronic installation is filled
Electricity, the described first kind is filled agreement soon and is included pump express 2.0 agreement；
When the charger that described charger is special charging port type is detected, and described charger is detected and support Equations of The Second Kind
When filling agreement soon, select corresponding Equations of The Second Kind to fill protocol scheme soon and control described charger that described electronic installation is charged,
Described Equations of The Second Kind fills agreement soon and includes voltage open loop multistep constant-current charge vooc agreement；
When the charger that described charger is standard down port type is detected, obtain the first charging electricity from described charger
Stream is charged to described electronic installation；
When the charger that described charger is charging downlink port type is detected, obtain the second charging electricity from described charger
Stream is charged to described electronic installation.
6. charging method as claimed in claim 5 is it is characterised in that methods described also includes detecting filling of described electronic installation
Whether electric module is connected with described charger, and when described electronic installation is connected with described charger, detects described charger
Port type.
7. charging method as claimed in claim 5 is it is characterised in that methods described also includes:
Detection usb battery charging specifications 1.2 agreement, was shaken hands with the first time completing electronic installation and charger.
8. charging method as claimed in claim 5 is it is characterised in that methods described also includes:
When the charger that described charger is special charging port type is detected, and it is not detected by described charger and is supported
The first kind fill agreement soon and when Equations of The Second Kind fills agreement soon, according to 5v charger type, described electronic installation is charged.
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| CN201610852232.9A CN106356935A (en) | 2016-09-26 | 2016-09-26 | Electronic device and charging method thereof |
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| CN201610852232.9A CN106356935A (en) | 2016-09-26 | 2016-09-26 | Electronic device and charging method thereof |
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