CN109494822A - A kind of terminal device, charger, charging system and charging method - Google Patents
A kind of terminal device, charger, charging system and charging method Download PDFInfo
- Publication number
- CN109494822A CN109494822A CN201710822918.8A CN201710822918A CN109494822A CN 109494822 A CN109494822 A CN 109494822A CN 201710822918 A CN201710822918 A CN 201710822918A CN 109494822 A CN109494822 A CN 109494822A
- Authority
- CN
- China
- Prior art keywords
- data pins
- charger
- terminal device
- usb interface
- shorted
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000003860 storage Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000013011 mating Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 16
- 238000013461 design Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- DWDGSKGGUZPXMQ-UHFFFAOYSA-N OPPO Chemical compound OPPO DWDGSKGGUZPXMQ-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the invention discloses a kind of terminal device, charger, charging system and charging methods.Terminal device in the embodiment of the present invention includes: for the USB interface and the first switching switch with the mating connection of the general-purpose serial bus USB plug of charger；The USB interface includes power pin, ground pin, the first data pins and the second data pins；The first switching switch, for when the terminal device detects that the USB interface is connect with preset charger, the first data pins of the USB interface and power pin to be shorted, the second data pins and ground pin are shorted.In this way, can be terminal device charging by the power pin and the first data pins of USB interface, the maximum conveyance capacity of charging current be largely improved；Terminal device provided in an embodiment of the present invention, solve quick charge scheme in the prior art is influenced by various factors limitation, it is difficult to the problem of improving quick charge capability.
Description
Technical field
The present invention relates to, but not limited to field of computer technology, espespecially a kind of terminal device, charger, charging system and fill
Method for electrically.
Background technique
With the development of computer technology, terminal device (such as smart phone) has obtained high speed in hardware configuration and has sent out
Exhibition also becomes the important technology index for needing to improve at present however, the cruising ability of terminal device becomes the short slab in industry.
Under the limitation of the factors such as the thickness of terminal device, size, weight, be difficult it is simple by increase battery capacity come
Its cruising ability is improved, in the case where battery capacity determines, shortens the charging time with rapid nitriding as improvement
The important channel of cruising ability.Usually there is the following in quick charge scheme in the prior art: first, low-voltage is high
In the quick charge scheme of current-mode, need to customize dedicated universal serial bus (Universal on charge path
Serial Bus, referred to as are as follows: USB) connector, special charger, battery, battery connector and data line, it is just able to achieve fast
The effect of speed charging；The second, in the quick charge scheme of high voltage low current mode, specific high-voltage charger is needed, and
Current limited is in the conveyance capacity of charging interface, and normally, the maximum conveyance capacity of power pin (VBUS) is in charging interface
1.8 peaces (A), thus the problem for causing quick charge capability limited.
In conclusion quick charge scheme in the prior art, matches since charging modes are limited to hardware on charge path
The maximum conveyance capacity of charging interface is set and be limited to, and quick charge capability is caused to be limited larger problem.
Summary of the invention
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of terminal device, charger, charging system and
Charging method is influenced, it is difficult to improve quick charge with solving quick charge scheme in the prior art by various factors limitation
The problem of ability.
In a first aspect, the present invention provides a kind of terminal device, comprising:
For the USB interface and the first switching switch with the mating connection of the general-purpose serial bus USB plug of charger；
The USB interface includes power pin, ground pin, the first data pins and the second data pins；
The first switching switch, for detecting that the USB interface is connect with preset charger in the terminal device
When, the first data pins of the USB interface and power pin are shorted, the second data pins and ground pin are shorted.
Preferably, the terminal device further include: filled by the first switching switch with what the USB interface was connect
Electric management module, power pin, ground pin, the first data pins and the second data pins of the charge management module are one by one
It is corresponding to be connected with the power pin of the USB interface, ground pin, the first data pins and the second data pins；
The charge management module, for by the USB interface the first data pins and the second data pins and institute
It states preset charger to be communicated, indicates that the second switching switch of the preset charger disconnects the first number of the USB plug
According to the short circuit of pin and the second data pins, and indicate that the second switching of the preset charger is switched the USB plug
First data pins and power pin are shorted, and the second data pins and ground pin are shorted.
Preferably, the charge management module, when being also used to be inserted into USB plug in detecting the USB interface, judgement
Whether the first data pins in the USB plug are shorted with the second data pins, and when judging to be shorted, described in determination
USB interface is connect with charger.
Preferably, the charge management module is also used to when the USB interface is connect with the charger, according to inspection
First data pins of the USB interface measured and the voltage of the second data pins, execute corresponding charging operations.
Preferably, the charge management module executes corresponding charging operations according to the voltage detected, comprising:
When the first data pins for detecting the USB interface are high level, when the second data pins are low level, instruction
First data pins of the USB interface and power pin are shorted by the first switching switch of the terminal device, the second data
Pin and the ground pin are shorted, and are that the terminal is set by the power pin of the USB interface and the first data pins
Standby battery charging；
When the first data pins for detecting the USB interface are that low level passes through when the second data pins are high level
The power pin of the USB interface is that the battery of the terminal device charges.
Preferably, the charge management module is also used to judging the first data pins in the USB plug and the
When two data pins are not shorted, the power pin by the USB interface is that the battery of the terminal device charges.
Second aspect, the present invention also provides a kind of chargers, comprising: for the general-purpose serial bus USB with terminal device
The USB plug of Interference fit connection and the second switching switch；
The USB plug includes power pin, ground pin, the first data pins and the second data pins, wherein described
First data pins and second data pins are shorted；
The second switching switch, when for being inserted into the USB interface of terminal device in the USB plug, according to the end
The instruction of end equipment disconnects the first data pins of the USB plug and the short circuit of the second data pins, by the USB plug
First data pins and power pin are shorted, and the second data pins and ground pin are shorted.
Preferably, the power pin, ground pin, the first data pins and the second data pins of the USB plug be one by one
It is corresponding to be connected with the power pin of the USB interface, ground pin, the first data pins and the second data pins；
The second switching switch, be also used to by the first data pins of the USB plug and the second data pins with
The terminal device is communicated；
The second switching switch, is also used in the first data pins and the second data pins for disconnecting the USB plug
Short circuit, the first data pins of the USB plug and power pin are shorted, the second data pins and ground pin are shorted
Afterwards, charging electricity is transmitted to the USB interface of the terminal device by the power pin of the USB plug and the first data pins
Stream.
The third aspect, the present invention also provides a kind of charging systems, comprising: above-mentioned terminal device and above-mentioned charger.
Fourth aspect, the present invention also provides a kind of charging methods, comprising:
Judge whether the charger connecting with terminal device is preset charger；
When judging the charger is the preset charger, the of USB plug in the preset charger is disconnected
First data pins of the USB plug and power pin are shorted, second by the short circuit of one data pins and the second data pins
Data pins and ground pin are shorted, and the first data pins of USB interface in the terminal device and power pin are shorted,
Second data pins and ground pin are shorted.
Preferably, before whether the charger that the judgement is connect with terminal device is preset charger, the method is also
Include:
Judge whether the USB interface of the terminal device is connected with charger；
When the first data pins and the second data pins that detect the USB plug are shorted, determine that the terminal is set
It is standby to be connect with the charger.
Preferably, the charging method, further includes:
When the terminal device is connect with the charger, according to the first data pipe of the USB interface detected
The voltage of foot and the second data pins executes corresponding charging operations.
Preferably, the voltage that the basis detects executes corresponding charging operations, comprising:
When detecting the first data pins of the USB interface as high level, when the second data pins are low level, determine
The charger is the preset charger, so that the power pin and the first data pins that pass through the USB interface are described
The battery of terminal device charges；
When detecting the first data pins of the USB interface as low level, when the second data pins are high level, determine
The charger is common charger, so that the battery that the power pin for passing through the USB interface is the terminal device charges.
Preferably, the charging method further include:
When the first data pins and the second data pins that detect the USB plug are not shorted, connect by the USB
The power pin of mouth is that the battery of the terminal device charges.
5th aspect, the present invention also provides a kind of computer readable storage medium, the computer readable storage medium is deposited
Computer executable instructions are contained to proceed as follows when processor executes the computer executable instructions:
Judge whether the charger connecting with terminal device is preset charger；
When judging the charger is the preset charger, the of USB plug in the preset charger is disconnected
First data pins of the USB plug and power pin are shorted, second by the short circuit of one data pins and the second data pins
Data pins and ground pin are shorted, and the first data pins of USB interface in the terminal device and power pin are shorted,
Second data pins and ground pin are shorted.
Terminal device, charger, charging system and charging method provided in an embodiment of the present invention, configured with for charging
The USB interface and the first switching switch that the USB plug of device is cooperatively connected, by the handoff functionality of the first switching switch, in terminal
When equipment detects that USB interface is connect with preset charger, the first data pins of USB interface and power pin are shorted, the
Two data pins and ground pin are shorted, in this way, can be set by the power pin and the first data pins of USB interface for terminal
Standby charging, largely improves the maximum conveyance capacity of charging current；Terminal device provided in an embodiment of the present invention, solution
Quick charge scheme in the prior art of having determined is influenced by various factors limitation, it is difficult to the problem of improving quick charge capability.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is a kind of structural schematic diagram of terminal device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another terminal device provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another terminal device 10 provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of charger provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another charger provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of charging system provided in an embodiment of the present invention；
Fig. 7 is a kind of flow diagram of charging method provided in an embodiment of the present invention；
Fig. 8 is the flow diagram of another charging method provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Step shown in the flowchart of the accompanying drawings can be in a computer system such as a set of computer executable instructions
It executes.Also, although logical order is shown in flow charts, and it in some cases, can be to be different from herein suitable
Sequence executes shown or described step.
Before describing quick charge mode provided in an embodiment of the present invention, first simple introduce influences the several of charging rate
Index, since charge power meets following formula:
Power (P)=voltage (V) * electric current (I)；
According to above-mentioned formula, in the case where battery capacity is certain, watt level indicates the speed of charging rate, because
This, it is important using following two direction to improve charging rate:
First, the charge mode of low voltage and high current: in the case where voltage is certain, increases electric current, parallel connection can be used
The mode of circuit is shunted, and under constant voltage, the voltage that each circuit after progress parallel shunt is shared is smaller, at end
It is also similarly handled in end equipment, the voltage that every circuit is born is also just smaller.Using OPPO mobile phone as the low electricity of representative
The charging scheme for pressing high current needs to customize USB connector, special of dedicated multi-pipe pin (pin) number on entire charge path
Charger, battery, battery connector and data line, be just able to achieve the effect of quick charge.
As can be seen that the charge mode of low voltage and high current, to electronics such as charger, terminal device and charging data lines
Element it is more demanding, improve the cost of whole design and generation.
Second, the charge mode of high voltage low current: in high pass QC2.0 fast charge agreement, mobile phone by USB upper D+, D- and
Charger is communicated, and is exported corresponding voltage by defined agreement charger, can be supported 5V, 9V, 12V, 20V, QC3.0
Can be 3.6V~20V free voltage in fast charge agreement, stepping is 200 millivolts (mV), it can complete under the charging current limited,
Charger inputs minimum voltage, allows charging circuit positive (VCHG) and supply voltage (VBAT) close as far as possible, is become with reducing switch
The loss changed, the problem of promoting charge efficiency and improve fever.
In addition, the PE2.0 fast charge agreement of Taiwan MediaTek Inc (MediaTek.Inc, referred to as are as follows: MTK)
In, by PE+ adjust VBUS electric current, as shake hands instruction.
Above-mentioned high pass and the quick charge scheme of MTK are required with specific high-voltage charger, and the raising of voltage can be brought
Heating problem, and current limited, in the conveyance capacity of charging interface, normally, current limited is in the maximum conveyance capacity of VBUS
For 1.8A.
Due to quick charge scheme in the prior art, charging modes are limited to the most serious offense of hardware configuration and charging interface
Stream ability, it is urgent to provide a kind of charging schemes that quick charge capability can be improved at present.
Technical solution of the present invention is described in detail below by specific embodiment, the following embodiment of the present invention
In terminal device be the terminal device to be charged by USB interface, for example, smart phone, tablet computer, individual digital
The mobile terminals such as assistant (Personal Digital Assistant, referred to as are as follows: PDA), correspondingly, in the embodiment of the present invention
Charger arrangement has the USB plug being adapted with above-mentioned USB interface.The present invention provides following specific embodiment can phase
It mutually combines, the same or similar concept or process may be repeated no more in some embodiments.
Fig. 1 is a kind of structural schematic diagram of terminal device provided in an embodiment of the present invention.Terminal provided in this embodiment is set
In the case where being adapted for carrying out quick charge, which may include: for connecting with the cooperation of the USB plug of charger
The usb 11 connect and the first switching switch 12.
Wherein, usb 11 includes power pin, ground pin, the first data pins and the second data pins；Fig. 1 institute
Show that the power pin in terminal device 10, ground pin, the first data pins and the second data pins are expressed as correspondingly
VBUS, GND, D- and D+.
It should be noted that the usb 11 and USB plug in the embodiment of the present invention are with the first data pins (D-)
With the USB of the second data pins (D+), such as can be Micro USB interface or plug, can also for model C USB (i.e.
USB-C, also referred to as Type-C) interface or plug, and meet USB interface and USB plug and can be used cooperatively.
In current charging modes, in charger side, the first data pins of the USB plug being used cooperatively with USB interface
(D-) and the second data pins (D+) are short circuit relationship, therefore, during the charging process, the first data pins (D-) and the second data
Pin (D+) is in idle condition；When charging, charger is only by the power pin of USB plug (VBUS) to terminal device
USB interface transmits charging current, and the maximum conveyance capacity of the VBUS is 1.8A.
It is explained so that terminal device is smart phone as an example, the charging voltage for being defaulted as 5V of smart phone, therefore,
In the case that charging voltage determines, charging current is limited to the maximum conveyance capacity of 1.8A, this quickly to fill in the prior art
Electric energy power be limited it is larger, be difficult improve charging rate.
First switching switch 12, for inciting somebody to action when terminal device 10 detects that usb 11 is connect with preset charger
The first data pins (D-) and power pin (VBUS) of usb 11 are shorted, the second data pins (D+) and ground pin
(GND) it is shorted.
In embodiments of the present invention, the first switching switch 12 can switch for double-pole double-throw, and one of switch is used for
Switching the connection relationship of the first data pins (D-), another switch is used to switch the connection relationship of the second data pins (D+),
By the first switching switch 12 being arranged in terminal device 10, in the connection charger and complete of usb 11 of terminal device 10
The pairs of charger enumerate identification after, specifically when terminal device 10 detects that usb 11 is connect with preset charger, general
The first data pins (D-) and power pin (VBUS) of usb 11 are shorted, the second data pins (D+) and ground pin
(GND) be shorted, at this point, power supply and ground wire are all assigned 2 pins (Pin), i.e., power distribution power pin (VBUS) and
First data pins (D-), ground wire are assigned with ground pin (GND) and the second data pins (D+), and the flow direction of electric current is from electricity
Source capsule foot (VBUS) flows back into ground pin (GND), therefore the super-high-current on usb 11 may be implemented.The present invention is implemented
Example is used in the first data pins (D-) and the second data pipe during the charging process by the handoff functionality of the first switching switch 12
Charging current is shared on foot (D+), so as to improve the maximum conveyance capacity of usb 11.
In practical applications, terminal is set by the power pin (VBUS) of USB interface in the charging process of the prior art
Standby to charge, the maximum conveyance capacity of charging current is limited to 1.8A；The embodiment of the present invention passes through the first switching switch 12
Handoff functionality shares charging current in the first data pins (D-) and the second data pins (D+), passes through USB in charging process
The power pin (VBUS) and the first data pins (D-) of interface 11 charge to terminal device 10, can be by charging current
Maximum conveyance capacity doubles, i.e., 3.6A can be improved in maximum conveyance capacity, therefore, can largely improve and fill
Electric speed improves the ability of quick charge.
It should be noted that above-mentioned preset charger is to design exclusively for terminal device 10 provided in an embodiment of the present invention
Charger, the preset charger have ground structure corresponding to terminal device 10 (i.e. switching switch), its to terminal device 10 into
When row charging, the effect of quick charge may be implemented.
Terminal device provided in an embodiment of the present invention, configured with for being connect with the USB of the USB plug of charger mating connection
Mouth and the first switching switch, the handoff functionality switched by the first switching detect USB interface and preset charging in terminal device
When device connects, the first data pins of USB interface and power pin are shorted, the second data pins and ground pin are short, in this way,
It can be terminal device charging by the power pin and the first data pins of USB interface, largely improve charging
The maximum conveyance capacity of electric current；Terminal device provided in an embodiment of the present invention solves quick charge scheme in the prior art
It is influenced by various factors limitation, it is difficult to the problem of improving quick charge capability.
Optionally, Fig. 2 is the structural schematic diagram of another terminal device provided in an embodiment of the present invention.In above-described embodiment
On the basis of, terminal device 10 provided in an embodiment of the present invention can also include:
The charge management module 13 being connect by the first switching switch 12 with usb 11, the charge management module 13
Power pin (VBUS), ground pin (GND), the first data pins (D-) and the second data pins (D+) correspondingly with
Power pin (VBUS), ground pin (GND), the first data pins (D-) and the second data pins (D+) phase of usb 11
Connection.
Charge management module 13 in the embodiment of the present invention is, for example, a charging chip, which can set
It is placed in inside the processor of terminal device 10, also can be set in the outside of processor, which passes through above-mentioned
With the connection relationship of pin each in usb 11, may be implemented the control that switch is changed preset charger lateral incision.In practical application
In, the charge management module 13, for the first data pins (D-) and the second data pins (D+) by usb 11 and in advance
It sets charger to be communicated, and after detecting that preset charger is normally connect with terminal device 10, postpones 2 seconds (s), with
Afterwards, indicate that the second switching switch of the preset charger disconnects the first data pins and (D-) second data pins of USB plug
(D+) the first data pins (D-) of USB plug and power pin (VBUS) are shorted by short circuit, the second data pins (D+) with
Ground pin (GND) is shorted.It should be noted that the second switching switch in preset charger equally can be double-pole double-throw
Switch, one of switch is for switching the connection relationship of the first data pins (D-), another switch is for switching the second number
According to the connection relationship of pin (D+).
In the USB plug of the charger of the prior art, the first data pins (D-) and the second data pins (D+) are to be shorted
Relationship, during the charging process, above-mentioned first data pins (D-) and the second data pins (D+) are in idle condition, i.e., do not share
Charging current.Correspondingly with the first switching switch 12 in terminal device 10 shown in Fig. 1, terminal device 10 not only can by this
The first data pins (D-) of local terminal usb 11 and power pin (VBUS) are shorted by one switching switch 12, the second data pipe
Foot (D+) and ground pin (GND) are shorted；Correspondingly, the of preset charger side can also be indicated by charge management module 13
Two switching switches execute correspondingly handover operation, thus during the charging process using in the first data pins (D-) and the second data
Charging current is shared on pin (D+), realizes the demand for improving the maximum conveyance capacity of usb 11.
Optionally, in practical applications, when the usb 11 of terminal device 10 is inserted into USB plug, which may
It is the plug of a certain charger, it is also possible to the plug of other devices, such as the plug of the data line by computer connection.
In an implementation of the embodiment of the present invention, charge management module 13 are also used to detecting usb 11
When middle insertion USB plug, judge whether the first data pins (D-) in the USB plug are short with the second data pins (D+)
It connects, and when judging to be shorted, determines that usb 11 is connect with charger.
Above-mentioned the first data pins (D-) and the second number it is stated that in the design of current charger, in USB plug
Be shorted according to pin (D+), the charge management module 13 of terminal device 10 can by the judgement to above-mentioned connection relationship, determine with
The device of its usb 11 connection is charger or other equipment.Charger is exchange (Alternating Current, abbreviation
Are as follows: AC) charging modes, if above-mentioned USB plug is the plug of the data line connected by computer, using direct current (Direct
Current, referred to as are as follows: DC) charging modes be terminal device 10 charge.Specifically, the USB that judgement is connect with usb 11 is inserted
Head is the condition of Charger (portable round) are as follows: detects that the first data pins (D-) in USB plug and the second data pins (D+) are short
It connects.
In another implementation of the embodiment of the present invention, charge management module 13 is also used to judging USB plug
In the first data pins (D-) and the second data pins (D+) when not being shorted, illustrate the usb 11 of terminal device 10 with it is non-
The connection of AC charger, such as connect by data line with computer, at this point, the power pin (VBUS) for passing through usb 11 is eventually
The battery 14 of end equipment 10 charges, and the electric current in the charging process is 500mA.
Optionally, in embodiments of the present invention, have determined that usb 11 is connect with charger in charge management module 13
In the case where, which may be common charger in the prior art, it is also possible to set in the embodiment of the present invention with terminal
Standby 10 chargers for being used to execute quick charge being used cooperatively, i.e., preset charger, therefore, it is also desirable to according to the class of charger
Type executes corresponding charging operations.
Charge management module 13 in the embodiment of the present invention are also used to when usb 11 is connect with charger, according to detection
The first data pins (D-) of the usb 11 arrived and the voltage of the second data pins (D+), execute corresponding charging operations.
Further, in embodiments of the present invention, charge management module 13 is filled accordingly according to the voltage detected, execution
Electrically operated implementation may include:
When the first data pins (D-) for detecting usb 11 are high level, the second data pins (D+) are low level
When, the first of instruction terminal equipment 10 switches switch 12 for the first data pins (D-) and power pin of usb 11
(VBUS) it is shorted, after the second data pins (D-) and ground pin (GND) short circuit, passes through the power pin of usb 11
(VBUS) it charges with the first data pins (D-) for the battery 14 of terminal device 10；
When the first data pins (D-) for detecting usb 11 are low level, the second data pins (D+) are high level
When, the power pin (VBUS) by usb 11 is that the battery 14 of terminal device 10 charges.
In embodiments of the present invention, terminal device 10 can be detected on usb 11 by way of similar high pass agreement
The voltage of first data pins (D-) and the second data pins (D+), to execute subsequent charge behaviour according to the voltage detected
Make.In practical applications, when detect the first data pins (D-) be high level, the second data pins (D+) be low level when,
It indicates that charger is the charger (i.e. above-mentioned preset charger) with switching switch, then can be executed by the first switching switch 12
Handover operation, and indicate that the second switching switch of preset charger executes handover operation, at this point, charging modes are to be connect by USB
The power pin (VBUS) and the first data pins (D-) of mouth 11 are that the battery 14 of terminal device 10 charges；When detecting that USB connects
The first data pins (D-) of mouth 11 are low level, when the second data pins (D+) are high level, only indicate charger internal
First data pins (D-) and the second data pins (D+) are shorted, and switch (i.e. common charger) without switching, at this point, eventually
First switching switch 12 of end equipment 10 does not need to execute handover operation, directly execution charging operations, that is, passes through usb 11
Power pin (VBUS) is that the battery 14 of terminal device 10 charges.
As shown in figure 3, being the structural schematic diagram of another terminal device 10 provided in an embodiment of the present invention.It is real shown in Fig. 3
Example is applied to show the structure of battery 14 in the structure basis of terminal device 10 shown in Fig. 2, the battery 14 and Charge Management mould
Block 13 is connected, and the power pin (VBUS) of battery 14, ground pin (GND), the first data pins (D-) and the second number
According to pin (D+) correspondingly with the power pin of charge management module 13 (VBUS), ground pin (GND), the first data pipe
Foot (D-) is connected with the second data pins (D+)；When the usb 11 of terminal device 10 connects charger and completes to fill this
Electric appliance enumerate identification after, the first data pins (D-) and the original short circuit of the second data pins (D+) just pass through the first switching and open
It closes 12 to disconnect, and is assigned in power pin (VBUS) and ground pin (GND) correspondingly.
Fig. 4 is a kind of structural schematic diagram of charger provided in an embodiment of the present invention.Charger provided in this embodiment is suitable
In the case where executing quick charge, the charger 20 may include: for terminal device provided by the above embodiment
The USB plug 21 and the second switching switch 22 that USB interface is cooperatively connected.
Wherein, USB plug 21 includes power pin, ground pin, the first data pins and the second data pins, and the
One data pins and the second data pins are shorted；Power pin, ground pin, the first data pipe in charger 20 shown in Fig. 4
Foot and the second data pins are expressed as VBUS, GND, D- and D+ correspondingly.
It should be noted that the USB interface and USB plug 21 in the embodiment of the present invention are with the first data pins (D-)
With the USB of the second data pins (D+), such as can be Micro USB interface or plug, can also for USB-C interface or insert
Head, and meet USB interface and USB plug and can be used cooperatively.
In current charging modes, in charger side, in the design scheme of the USB jack of charger, the first data pins
It (D-) is short circuit relationship with the second data pins (D+), therefore, during the charging process, the first data pins (D-) and the second data
Pin (D+) is in idle condition；When charging, charger is only by the power pin of USB plug (VBUS) to terminal device
USB interface transmits charging current, and the maximum conveyance capacity of the VBUS is 1.8A.
It is equally explained so that terminal device is smart phone as an example, the charging voltage for being defaulted as 5V of smart phone, because
This, in the case where charging voltage determines, charging current is limited to the maximum conveyance capacity of 1.8A, this makes fast in the prior art
Fast charging ability be limited it is larger, be difficult improve charging rate.
Second switching switch 22, when for being inserted into the USB interface of terminal device in USB plug 21, according to terminal device
It indicates to disconnect the first data pins (D-) of USB plug 21 and the short circuit of the second data pins (D+), by the first of USB plug 21
Data pins (D-) and power pin (VBUS) are shorted, and the second data pins (D+) and ground pin (GND) are shorted.
In embodiments of the present invention, the second switching switch 22 can equally switch for double-pole double-throw, one of switch
For switching the connection relationship of the first data pins (D-), another switch is closed for switching the connection of the second data pins (D+)
System is connect in the charger 20 with the USB interface of terminal device by the second switching switch 22 being arranged in charger 20
When, terminal device complete to the charger 20 enumerate identification after, second can be cut according to the instruction of terminal device by this
It changes switch 22 and disconnects the first data pins (D-) of USB plug 21 and the short circuit of the second data pins (D+), by USB plug 21
First data pins (D-) and power pin (VBUS) are shorted, and the second data pins (D+) and ground pin (GND) are shorted.This hair
Bright embodiment is used in the first data pins (D-) and second during the charging process by the handoff functionality of the second switching switch 22
Charging current is shared in data pins (D+), so as to improve the maximum conveyance capacity of USB interface.
In practical applications, it is set by the power pin (VBUS) of USB plug to terminal in the charging process of the prior art
Standby transmission charging current, the maximum conveyance capacity of charging current are limited to 1.8A；The embodiment of the present invention passes through the second switching switch
22 handoff functionality is shared charging current in the first data pins (D-) and the second data pins (D+), is led in charging process
The power pin (VBUS) and the first data pins (D-) for crossing USB plug 21 can will be filled to terminal device transmission charging current
The maximum conveyance capacity of electric current doubles, i.e., 3.6A can be improved in maximum conveyance capacity, therefore, can be largely
Upper raising charging rate, that is, improve the ability of quick charge.
It should be noted that charger 20 provided in an embodiment of the present invention is and any embodiment shown in above-mentioned Fig. 1 to Fig. 3
In the charger 20 that is used cooperatively of terminal device, which has ground structure corresponding to terminal device (the i.e. second switching
Switch 22), when it charges to terminal device, the effect of quick charge may be implemented.
Charger provided in an embodiment of the present invention, configured with for being inserted with the USB of the USB interface of terminal device mating connection
Head and the second switching switch, by the handoff functionality of the second switching switch, in the USB interface of USB plug insertion terminal device,
The first data pins of USB plug and the short circuit of the second data pins can be disconnected according to the instruction of terminal device, by USB plug
The first data pins and power pin be shorted, the second data pins and ground pin are short, in this way, can pass through USB plug
Power pin and the first data pins largely improve the maximum of charging current to terminal device transmission charging current
Conveyance capacity；Charger provided in an embodiment of the present invention solves quick charge scheme in the prior art and is limited by various factors
The influence of system, it is difficult to the problem of improving quick charge capability.
The embodiment of the present invention in practical applications, as shown in figure 5, for another charger provided in an embodiment of the present invention
Structural schematic diagram shows the connection type of the USB plug 21 of charger 20 and the usb 11 of terminal device 10 in Fig. 5, i.e.,
Power pin (VBUS), ground pin (GND), the first data pins (D-) and the second data of the USB plug 21 of charger 20
Pin (D+) correspondingly with the power pin of USB interface (VBUS), ground pin (GND), the first data pins (D-) and
Second data pins (D+) are connected.
Wherein, the second switching switch 22, for passing through the first data pins (D-) and the second data pins of USB plug 21
(D+) it is communicated with terminal device.
Second switching switch 22, is also used in the first data pins (D-) and the second data pins for disconnecting USB plug 21
(D+) the first data pins (D-) of USB plug 21 and power pin (VBUS) are shorted, the second data pins (D+) by short circuit
After being shorted with ground pin (GND), set by the power pin (VBUS) and the first data pins (D-) of USB plug 21 to terminal
Standby USB interface transmits charging current.
In embodiments of the present invention, the first data pins (D-) in USB plug 21 and the second data pins (D+) be with
The pin that terminal device is communicated, can receive the instruction of terminal device transmission, and terminal device is detecting and the charger
After 20 normal connections, postpone 2 seconds (s), then, indicates the of the second switching disconnection USB plug 21 of switch 22 of the charger 20
The short circuit of one data pins and (D-) second data pins (D+), by the first data pins (D-) of USB plug 21 and power supply pipe
Foot (VBUS) is shorted, and the second data pins (D+) and ground pin (GND) are shorted, at this point, charger 20 can pass through USB plug
21 power pin (VBUS) and the first data pins (D-) transmits charging current to the USB interface of terminal device.
It should be noted that terminal device instruction charger 20 second switching switch 22 execution handover operation after, together
Sample needs terminal equipment side in execute correspondingly handover operation, in operation above-described embodiment of terminal equipment side in detail
Illustrate, therefore details are not described herein.
Fig. 6 is a kind of structural schematic diagram of charging system provided in an embodiment of the present invention.It is provided in an embodiment of the present invention to fill
Electric system 30 includes: terminal device 10 and charger 20.
Wherein, the terminal device 10 in the embodiment of the present invention is that the terminal in any embodiment shown in above-mentioned Fig. 1 to Fig. 3 is set
Standby 10 (terminal device 10 in embodiment illustrated in fig. 6 is shown for the terminal device 10 shown in Fig. 1), charger 20 is upper
State the charger 20 in any embodiment shown in Fig. 4 or Fig. 5.Charging system 30 in the embodiment of the present invention has and above-mentioned terminal
Equipment 10 and the identical hardware configuration of charger 20, can effectively improve rapid charge characteristic.
Fig. 7 is a kind of flow diagram of charging method provided in an embodiment of the present invention.Terminal provided in this embodiment is set
In the case where being adapted for carrying out quick charge, which can be executed by the charging system in the embodiment of the present invention, should
Charging method may include steps of:
S110 judges whether the charger connecting with terminal device is preset charger.
Charging method provided in an embodiment of the present invention, the method for charging rate can be improved.The charging method can lead to
It crosses mutually matched terminal device and preset charger executes, which is different from common charging in the prior art
Therefore device carries out charger in terminal device, can first judge whether connected to it be preset in present invention implementation example
Whether charger is Fig. 4 or Fig. 5 shown in charger in any embodiment.
Charging system shown in Fig. 6 is referred to for executing the charging system of charging method in the embodiment of the present invention, wherein
The connection relationship of connection relationship and terminal device and charger in terminal device can be referring to figs. 1 to any reality shown in Fig. 3
The terminal device in example is applied, the connection relationship of connection relationship and preset charger and terminal device in preset charger can
With the charger in any embodiment referring to shown in Fig. 4 or Fig. 5.
S120 disconnects the first data of USB plug in the preset charger when judging charger is preset charger
First data pins of USB plug and power pin are shorted by the short circuit of pin and the second data pins, the second data pins with
Ground pin is shorted, and the first data pins of USB interface in terminal device and power pin are shorted, the second data pins with
Ground pin is shorted.
It should be noted that the USB interface and USB plug in the embodiment of the present invention are similarly with the first data pins
It (D-) and the USB of the second data pins (D+), such as can be Micro USB interface or plug, it can also be for model C's
USB (i.e. USB-C, also referred to as Type-C) interface or plug, and meet USB interface or USB plug and can be used cooperatively.
In current charging modes, in charger side, the first data pins of the USB plug being used cooperatively with USB interface
(D-) and the second data pins (D+) are short circuit relationship, therefore, during the charging process, the first data pins (D-) and the second data
Pin (D+) is in idle condition；When charging, charger is only by the power pin of USB plug (VBUS) to terminal device
USB interface transmits charging current, and the maximum conveyance capacity of the VBUS is 1.8A.
In embodiments of the present invention, it if judging to connect with terminal device is preset charger, can be used quickly
Charging scheme charges, i.e., terminal device complete to the charger enumerate identification after, in charger side, it is pre- that this can be disconnected
Set the short circuit of the first data pins (D-) and the second data pins (D+) in charger, and will be by the first data pipe of USB plug
Foot (D-) and power pin (VBUS) are shorted, and the second data pins (D+) and ground pin (GND) are shorted；In terminal equipment side,
The first data pins (D-) of USB interface and power pin (VBUS) can be shorted, the second data pins (D+) and ground pipe
Foot (GND) is shorted, at this point, power supply and ground wire are all assigned 2 pins (Pin), i.e. power distribution power pin (VBUS)
With the first data pins (D-), ground wire is assigned with ground pin (GND) and the second data pins (D+), and the flow direction of electric current from
Power pin (VBUS) flows back into ground pin (GND), therefore the super-high-current on usb 11 may be implemented.By above-mentioned
The change of pin connection relationship in USB plug and USB interface, can during the charging process using in the first data pins (D-) and
Charging current is shared in second data pins (D+), so as to improve the maximum conveyance capacity of USB interface.
In practical applications, terminal is set by the power pin (VBUS) of USB interface in the charging process of the prior art
Standby to charge, the maximum conveyance capacity of charging current is limited to 1.8A；The embodiment of the present invention passes through in the first data pins
(D-) and in the second data pins (D+) share charging current, in charging process by the power pin (VBUS) of USB interface and
First data pins (D-) charge to terminal device, the maximum conveyance capacity of charging current can be doubled, i.e., most
3.6A can be improved in big conveyance capacity, therefore, can largely improve charging rate, that is, improve quick charge
Ability.
Charging method provided in an embodiment of the present invention is the processing method for the charging system that the above embodiment of the present invention provides,
Has corresponding method and step, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
Optionally, Fig. 8 is the flow diagram of another charging method provided in an embodiment of the present invention.In practical application
In, when the USB interface of terminal device is inserted into USB plug, which may be the plug of a certain charger, it is also possible to its
The plug of its device, such as the plug of the data line by computer connection.Therefore, method provided in an embodiment of the present invention,
Can also include: before S110
S100, judges whether the USB interface of terminal device is connected with charger；
S101, when detect USB plug the first data pins and the second data pins be shorted when, determine terminal device with
Charger connection.
In the design of current charger, the first data pins (D-) and the second data pins (D+) in USB plug are short
Connect, terminal device can by the judgement to above-mentioned connection relationship, determine the device that is connect with its USB interface be charger or its
Its equipment.Charger is AC charging modes, if above-mentioned USB plug is the plug of the data line connected by computer, uses DC
Charging modes are terminal device charging.Specifically, the device that is connect with the USB interface of terminal device of judgement whether the item of charger
Part are as follows: detect that the first data pins (D-) and the second data pins (D+) in USB plug are shorted.
On the other hand, method provided in an embodiment of the present invention can also include:
S102 passes through USB interface when the first data pins and the second data pins that detect USB plug are not shorted
Power pin be terminal device battery charge.
In embodiments of the present invention, when above-mentioned testing result is not to be shorted, illustrate the USB interface and non-AC of terminal device
Charger connection, such as connect by data line with computer, at this point, the power pin (VBUS) by USB interface sets for terminal
Standby battery charges, and the electric current in the charging process is 500mA.
Optionally, in embodiments of the present invention, in the case where having determined that USB interface is connect with charger, the charging
Device may be common charger in the prior art, it is also possible to be used in the embodiment of the present invention with what terminal device was used cooperatively
The charger of quick charge, i.e., preset charger are executed, therefore, it is also desirable to execute corresponding charging behaviour according to the type of charger
Make.Therefore, method provided in an embodiment of the present invention can also include: first according to the USB interface detected after S101
The voltage of data pins and the second data pins executes corresponding charging operations.
In practical applications, the mode of detection and charging may include: the embodiment of the present invention
S110 judges charger according to the voltage of the first data pins of the USB interface detected and the second data pins
It whether is preset charger；
S111, when detect USB interface the first data pins be high level, the second data pins be low level when, really
Determining charger is preset charger；
S112, when detect USB interface the first data pins be low level, the second data pins be high level when, really
Determining charger is common charger.
Correspondingly, the S120 in the embodiment of the present invention may include:
May include: after S111
S121 disconnects the first data pins of USB plug in preset charger and the short circuit of the second data pins, by USB
First data pins of plug and power pin are shorted, and the second data pins and ground pin are shorted, and by USB in terminal device
The first data pins and power pin of interface are shorted, and the second data pins and ground pin are shorted, to pass through USB interface
Power pin and the first data pins are that the battery of terminal device charges.
May include: after S112
S122, the power pin by USB interface are that the battery of terminal device charges.
In embodiments of the present invention, terminal device can be detected first on USB interface by way of similar high pass agreement
The voltage of data pins (D-) and the second data pins (D+), to execute subsequent charge operation according to the voltage detected.?
In practical application, when detect the first data pins (D-) be high level, the second data pins (D+) be low level when, indicate to fill
Electric appliance is the charger (i.e. above-mentioned preset charger) with switching switch, then can execute switching behaviour by the first switching switch
Make, and indicate that the second switching switch of preset charger executes handover operation, at this point, charging modes are the electricity by USB interface
Source capsule foot (VBUS) and the first data pins (D-) are that the battery of terminal device charges；When the first data for detecting USB interface
Pin (D-) is low level, when the second data pins (D+) are high level, only indicates the first data pins of charger internal
(D-) it is shorted with the second data pins (D+), and switchs (i.e. common charger) without switching, at this point, the first of terminal device
Switching switch does not need to execute handover operation, directly execution charging operations, i.e., is eventually by the power pin of USB interface (VBUS)
The battery of end equipment charges.
The embodiment of the present invention also provides a kind of computer readable storage medium, which has meter
Calculation machine executable instruction proceeds as follows when processor executes the computer executable instructions:
S210 judges whether the charger connecting with terminal device is preset charger；
S220 disconnects the first data pipe of USB plug in preset charger when judging charger is preset charger
First data pins of USB plug and power pin are shorted by the short circuit of foot and the second data pins, the second data pins with connect
Ground pin is shorted, and the first data pins of USB interface in terminal device and power pin are shorted, the second data pins with connect
Ground pin is shorted.
Optionally, in embodiments of the present invention, when which executes the computer executable instructions, execute S210 it
Before, also proceed as follows:
S200, judges whether the USB interface of terminal device is connected with charger；
S201, when detect USB plug the first data pins and the second data pins be shorted when, determine terminal device with
Charger connection；
S202 passes through USB interface when the first data pins and the second data pins that detect USB plug are not shorted
Power pin be terminal device battery charge.
Optionally, in embodiments of the present invention, it when which executes the computer executable instructions, is also grasped as follows
Make:
When terminal device is connect with charger, according to the first data pins and the second data of the USB interface detected
The voltage of pin executes corresponding charging operations.
Optionally, in embodiments of the present invention, when which executes the computer executable instructions, step " root is executed
According to the voltage detected, execute corresponding charging operations " implementation, may include:
When the first data pins for detecting USB interface are high level, when the second data pins are low level, determining charging
Device is preset charger, to be charged by the battery that the power pin of USB interface and the first data pins are terminal device；
When the first data pins for detecting USB interface are low level, when the second data pins are high level, determining charging
Device is common charger, so that the battery that the power pin for passing through USB interface is terminal device charges.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be referred to by program
Related hardware (such as processor) is enabled to complete, described program can store in computer readable storage medium, such as read-only storage
Device, disk or CD etc..Optionally, one or more integrated circuits also can be used in all or part of the steps of above-described embodiment
To realize.Correspondingly, each module/unit in above-described embodiment can take the form of hardware realization, such as pass through integrated electricity
Its corresponding function is realized on road, can also be realized in the form of software function module, such as is stored in by processor execution
Program/instruction in memory realizes its corresponding function.The embodiment of the present invention be not limited to any particular form hardware and
The combination of software.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not intended to limit the invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (15)
1. a kind of terminal device characterized by comprising for being cooperatively connected with the general-purpose serial bus USB plug of charger
USB interface and first switching switch；
The USB interface includes power pin, ground pin, the first data pins and the second data pins；
The first switching switch, for inciting somebody to action when the terminal device detects that the USB interface is connect with preset charger
The first data pins and power pin of the USB interface are shorted, and the second data pins and ground pin are shorted.
2. terminal device according to claim 1, which is characterized in that further include: pass through the first switching switch and institute
State the charge management module of USB interface connection, power pin, ground pin, the first data pins of the charge management module
It is counted correspondingly with the power pin of the USB interface, ground pin, the first data pins and second with the second data pins
It is connected according to pin；
The charge management module, for by the USB interface the first data pins and the second data pins with it is described pre-
It sets charger to be communicated, indicates that the second switching switch of the preset charger disconnects the first data pipe of the USB plug
The short circuit of foot and the second data pins, and indicate that the second switching of the preset charger is switched the first of the USB plug
Data pins and power pin are shorted, and the second data pins and ground pin are shorted.
3. terminal device according to claim 2, which is characterized in that
The charge management module judges the USB plug when being also used to be inserted into USB plug in detecting the USB interface
In the first data pins whether with the second data pins be shorted, and judge be shorted when, determine the USB interface and fill
Electric appliance connection.
4. terminal device according to claim 3, which is characterized in that
The charge management module is also used to when the USB interface is connect with the charger, according to detecting
First data pins of USB interface and the voltage of the second data pins, execute corresponding charging operations.
5. terminal device according to claim 4, which is characterized in that
The charge management module executes corresponding charging operations according to the voltage detected, comprising:
When the first data pins for detecting the USB interface are high level, when the second data pins are low level, described in instruction
First data pins of the USB interface and power pin are shorted by the first switching switch of terminal device, the second data pins
It is shorted with the ground pin, and is the terminal device by the power pin of the USB interface and the first data pins
Battery charging；
When the first data pins for detecting the USB interface are low level, when the second data pins are high level, by described
The power pin of USB interface is that the battery of the terminal device charges.
6. terminal device according to claim 3, which is characterized in that
The charge management module is also used to judging the first data pins in the USB plug and the second data pins
When not being shorted, the power pin by the USB interface is that the battery of the terminal device charges.
7. a kind of charger characterized by comprising connect for the general-purpose serial bus USB Interference fit with terminal device
USB plug and second switching switch；
The USB plug includes power pin, ground pin, the first data pins and the second data pins, wherein described first
Data pins and second data pins are shorted；
The second switching switch, for being set according to the terminal in the USB interface of USB plug insertion terminal device
Standby instruction disconnects the short circuit of the first data pins and the second data pins of the USB plug, by the first of the USB plug
Data pins and power pin are shorted, and the second data pins and ground pin are shorted.
8. charger according to claim 7, which is characterized in that power pin, the ground pin, of the USB plug
One data pins and the second data pins correspondingly with the power pin of the USB interface, ground pin, the first data pipe
Foot and the second data pins are connected；
The second switching switch, be also used to by the first data pins of the USB plug and the second data pins with it is described
Terminal device is communicated；
The second switching switch is also used in the short of the first data pins and the second data pins for disconnecting the USB plug
It connects, the first data pins of the USB plug and power pin is shorted, after the second data pins and ground pin short circuit, lead to
Cross the USB plug power pin and the first data pins to the USB interface of the terminal device transmit charging current.
9. a kind of charging system characterized by comprising the terminal device as described in any one of claim 1~6, Yi Jiru
Charger described in claim 7 or 8.
10. a kind of charging method characterized by comprising
Judge whether the charger connecting with terminal device is preset charger；
When judging the charger is the preset charger, the first number of USB plug in the preset charger is disconnected
According to the short circuit of pin and the second data pins, the first data pins of the USB plug and power pin are shorted, the second data
Pin and ground pin are shorted, and the first data pins of USB interface in the terminal device and power pin are shorted, second
Data pins and ground pin are shorted.
11. charging method according to claim 10, which is characterized in that the charger for judging to connect with terminal device
Before whether being preset charger, the method also includes:
Judge whether the USB interface of the terminal device is connected with charger；
When detect the USB plug the first data pins and the second data pins be shorted when, determine the terminal device with
The charger connection.
12. charging method according to claim 11, which is characterized in that further include:
When the terminal device is connect with the charger, according to the first data pins of the USB interface detected and
The voltage of second data pins executes corresponding charging operations.
13. charging method according to claim 12, which is characterized in that the voltage that the basis detects executes corresponding
Charging operations, comprising:
When the first data pins for detecting the USB interface are high level, when the second data pins are low level, described in determination
Charger is the preset charger, to be the terminal by the power pin of the USB interface and the first data pins
The battery of equipment charges；
When the first data pins for detecting the USB interface are low level, when the second data pins are high level, described in determination
Charger is common charger, so that the battery that the power pin for passing through the USB interface is the terminal device charges.
14. charging method according to claim 11, which is characterized in that further include:
When the first data pins and the second data pins that detect the USB plug are not shorted, pass through the USB interface
Power pin is that the battery of the terminal device charges.
15. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer can
It executes instruction, when processor executes the computer executable instructions, proceeds as follows:
Judge whether the charger connecting with terminal device is preset charger；
When judging the charger is the preset charger, the first number of USB plug in the preset charger is disconnected
According to the short circuit of pin and the second data pins, the first data pins of the USB plug and power pin are shorted, the second data
Pin and ground pin are shorted, and the first data pins of USB interface in the terminal device and power pin are shorted, second
Data pins and ground pin are shorted.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710822918.8A CN109494822A (en) | 2017-09-13 | 2017-09-13 | A kind of terminal device, charger, charging system and charging method |
| PCT/CN2018/104175 WO2019052386A1 (en) | 2017-09-13 | 2018-09-05 | Terminal device, charger, charging system and charging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710822918.8A CN109494822A (en) | 2017-09-13 | 2017-09-13 | A kind of terminal device, charger, charging system and charging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109494822A true CN109494822A (en) | 2019-03-19 |
Family
ID=65689016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710822918.8A Pending CN109494822A (en) | 2017-09-13 | 2017-09-13 | A kind of terminal device, charger, charging system and charging method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109494822A (en) |
| WO (1) | WO2019052386A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635543A (en) * | 2019-07-15 | 2019-12-31 | 重庆市渝北职业教育中心 | Charging control system based on single chip microcomputer |
| CN112290640A (en) * | 2020-11-11 | 2021-01-29 | 维沃移动通信有限公司 | Interface circuit and electronic equipment charge |
| CN112290639A (en) * | 2020-11-11 | 2021-01-29 | 维沃移动通信有限公司 | Interface circuit and electronic equipment charge |
| WO2021078015A1 (en) * | 2019-10-21 | 2021-04-29 | 中兴通讯股份有限公司 | Vehicle-mounted terminal rapid charging system, method, and apparatus, and computer-readable storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030208B (en) * | 2019-11-19 | 2021-07-20 | 国网江苏省电力有限公司电力科学研究院 | Household appliance power supply method, power receiving method and circuit based on USB Type-C interface |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101022278A (en) * | 2007-01-16 | 2007-08-22 | 华为技术有限公司 | Terminal equipment, connector, charger and charging method |
| CN101079550A (en) * | 2006-12-06 | 2007-11-28 | 华为技术有限公司 | Determination system, terminal charging method, terminal and charger of charger style |
| CN104393628A (en) * | 2014-08-29 | 2015-03-04 | 展讯通信（上海）有限公司 | USB charger, mobile terminal and charging control method |
| CN105022468A (en) * | 2014-04-21 | 2015-11-04 | 国基电子（上海）有限公司 | USB adapter and USB line |
| CN105576727A (en) * | 2014-10-16 | 2016-05-11 | 中兴通讯股份有限公司 | Rapid charging method, apparatus and system thereof |
| US20160226244A1 (en) * | 2015-02-02 | 2016-08-04 | Socionext Inc. | Power supply circuit, charge circuit, charging system, power supplying method, and charging method |
| CN106787054A (en) * | 2015-11-25 | 2017-05-31 | 神讯电脑(昆山)有限公司 | Portable power source charging system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820682B (en) * | 2011-06-09 | 2016-01-20 | 中兴通讯股份有限公司 | A kind of communicated by USB interface and be external equipment charging device and method |
| TWI437793B (en) * | 2011-09-23 | 2014-05-11 | Quanta Comp Inc | Usb power supply method and device end dvice and system using the same |
| CN105162213A (en) * | 2015-10-15 | 2015-12-16 | 上海斐讯数据通信技术有限公司 | USB controller, and device |
-
2017
- 2017-09-13 CN CN201710822918.8A patent/CN109494822A/en active Pending
-
2018
- 2018-09-05 WO PCT/CN2018/104175 patent/WO2019052386A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079550A (en) * | 2006-12-06 | 2007-11-28 | 华为技术有限公司 | Determination system, terminal charging method, terminal and charger of charger style |
| CN101022278A (en) * | 2007-01-16 | 2007-08-22 | 华为技术有限公司 | Terminal equipment, connector, charger and charging method |
| CN105022468A (en) * | 2014-04-21 | 2015-11-04 | 国基电子（上海）有限公司 | USB adapter and USB line |
| CN104393628A (en) * | 2014-08-29 | 2015-03-04 | 展讯通信（上海）有限公司 | USB charger, mobile terminal and charging control method |
| CN105576727A (en) * | 2014-10-16 | 2016-05-11 | 中兴通讯股份有限公司 | Rapid charging method, apparatus and system thereof |
| US20160226244A1 (en) * | 2015-02-02 | 2016-08-04 | Socionext Inc. | Power supply circuit, charge circuit, charging system, power supplying method, and charging method |
| CN106787054A (en) * | 2015-11-25 | 2017-05-31 | 神讯电脑(昆山)有限公司 | Portable power source charging system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635543A (en) * | 2019-07-15 | 2019-12-31 | 重庆市渝北职业教育中心 | Charging control system based on single chip microcomputer |
| CN110635543B (en) * | 2019-07-15 | 2021-06-01 | 重庆市渝北职业教育中心 | Charging control system based on single chip microcomputer |
| WO2021078015A1 (en) * | 2019-10-21 | 2021-04-29 | 中兴通讯股份有限公司 | Vehicle-mounted terminal rapid charging system, method, and apparatus, and computer-readable storage medium |
| CN112290640A (en) * | 2020-11-11 | 2021-01-29 | 维沃移动通信有限公司 | Interface circuit and electronic equipment charge |
| CN112290639A (en) * | 2020-11-11 | 2021-01-29 | 维沃移动通信有限公司 | Interface circuit and electronic equipment charge |
| CN112290640B (en) * | 2020-11-11 | 2022-09-02 | 维沃移动通信有限公司 | Interface circuit and electronic equipment charge |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019052386A1 (en) | 2019-03-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109494822A (en) | A kind of terminal device, charger, charging system and charging method | |
| CN103427460B (en) | A kind of power supply terminal, charge control method and device | |
| CN106787055B (en) | A kind of charging circuit, system, method and terminal | |
| JP5388484B2 (en) | Apparatus and method for detecting power supply | |
| CN102820682B (en) | A kind of communicated by USB interface and be external equipment charging device and method | |
| CN101894085B (en) | Information processing apparatus | |
| CN104272216A (en) | Electronic device and control method therefor | |
| CN103516014B (en) | Method for charging batteries and electronic device | |
| CN104283284B (en) | A kind of multi-functional data portable power source and charging method | |
| CN106356918B (en) | A kind of quick charge recognition methods and terminal device | |
| CN103618356B (en) | The charging system of a kind of mobile terminal and charging method thereof | |
| CN104362687B (en) | Bidirectional power balance method and device based on USB-OTG | |
| CN102428620A (en) | Multi-use fast rate charging stand | |
| TW201308827A (en) | System and method for providing power through a reverse local data transfer connection | |
| CN102938572B (en) | Method and system capable of automatically recognizing non-standard charger and setting charging current of non-standard charger | |
| CN203871616U (en) | USB data line | |
| CN104617615B (en) | Charging method and electronic equipment | |
| CN107294172A (en) | Terminal device, power supply adaptor and charge control method | |
| CN101771178A (en) | Charging method adopting USB interfaces | |
| CN109358548A (en) | A kind of charging method of automotive diagnostic system, vehicle diagnosis and automotive diagnostic unit | |
| CN106100084A (en) | Charging system, terminal, power supply adaptor and charging wire | |
| CN104919388A (en) | Charging an electrical device via a data interface | |
| CN106159356A (en) | A kind of battery and electronic equipment | |
| CN105048018B (en) | The charging method and device of a kind of terminal with data exchanging function | |
| CN107134819B (en) | The charging/discharging thereof of mobile power, charge-discharge system and charge-discharge system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |