CN105656137B - Charging method, circuit and the system and mobile terminal of mobile terminal - Google Patents

Charging method, circuit and the system and mobile terminal of mobile terminal Download PDF

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Publication number
CN105656137B
CN105656137B CN201610113128.8A CN201610113128A CN105656137B CN 105656137 B CN105656137 B CN 105656137B CN 201610113128 A CN201610113128 A CN 201610113128A CN 105656137 B CN105656137 B CN 105656137B
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China
Prior art keywords
mobile terminal
charging
circuit
ground wire
earphone interface
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CN201610113128.8A
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CN105656137A (en
Inventor
文斌
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/40Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage

Abstract

The present invention discloses a kind of charging method of mobile terminal, circuit and system and mobile terminal.Mobile terminal includes earphone interface and the head circuit that is connected with earphone interface, earphone interface includes setting signal line and setting ground wire, the charging circuit of the mobile terminal includes, earphone interface, the switching switch being connected with head circuit, the charging chip being connected with switching switch, the rechargeable battery being connected with charging chip, and with setting signal line, the control circuit that setting ground wire is connected with switching switch, for detecting setting signal line and setting the input voltage between ground wire, if input voltage reaches default value, control switching switch switches to charging chip by head circuit.Technical solution provided by the invention can simultaneously use in such a way that USB interface is mobile terminal charging with existing, so as to further increase the charging rate of mobile terminal, promote user experience well.

Description

Charging method, circuit and the system and mobile terminal of mobile terminal
Technical field
The present invention relates to a kind of electronic technology field more particularly to charging method of mobile terminal, circuit and system and shiftings Dynamic terminal.
Background technology
Currently, mobile terminal be widely used it is general, intelligent mobile terminal due to can provide to the user it is more preferably Service, is liked by people, has already taken up the very big share in mobile terminal market.
Since the function that intelligent mobile terminal provides is more, corresponding, power consumption is than more serious, therefore, mobile terminal Continuation of the journey be a big factor that current mobile terminal compares concern.Rapid nitriding is due to that can greatly shorten mobile terminal It is charging time, welcomed by the people, USB (Universal are generally used to the scheme of mobile terminal quick charge at present Serial Bus, universal serial bus) high voltage quick charge or USB high current quick charges.
That is, the technology of existing quick charge charges simply by USB interface for mobile terminal, due to entirely filling The limitation of the PCB (Printed Circuit Board, printed circuit board) of electric pathway, calorific value is larger therefore right when charging The cabling of the upper charging circuits of PCB has very high requirement, but PCB layouts are limited, and line width is limited, and high voltage and high current is caused all to be Limited.Therefore, existing rapid nitriding is difficult to accelerate movement eventually by improving charging voltage or charging current again The charging rate at end.
Invention content
In view of this, the present invention provides a kind of charging method of mobile terminal, circuit and system and mobile terminal, this hair The technical solution of bright offer can simultaneously be used with existing in such a way that USB interface is mobile terminal charging, so as to The charging rate for further increasing mobile terminal, promotes user experience well.
To achieve the above object, the present invention provides the following technical solutions:
A kind of charging circuit of mobile terminal, the mobile terminal include earphone interface and are connected with the earphone interface Head circuit, the earphone interface includes setting signal line and setting ground wire, and the charging circuit of the mobile terminal includes:
Earphone interface;
The switching switch being connected with the head circuit;
The charging chip being connected with the switching switch;
The rechargeable battery being connected with the charging chip;
And the control circuit being connected with the setting signal line, the setting ground wire and the switching switch, it is used for Detect the input voltage between the setting signal line and the setting ground wire, if the input voltage reaches default value, control It makes the switching switch and the charging chip is switched to by the head circuit.
Preferably, the earphone interface is connected with switching switch, and the control circuit is switched by the switching It is connected with the setting signal line and the setting ground wire.
Preferably, the control circuit includes:
Earphone detecting sub-circuit, for detecting the input voltage between the setting signal line and the setting ground wire;
The control chip being connected with the earphone detecting circuit, if reaching default value for the input voltage, control It makes the switching switch and the charging chip is switched to by the head circuit.
Preferably, the setting signal line is the right channel line of the earphone interface, and the ground wire that sets is the earphone The microphone lines or ground wire of interface;Or the microphone lines that the setting signal line is the earphone interface, the setting ground Line is the right channel line or ground wire of the earphone interface.
Preferably, further include:
The USB interface being connected with the charging chip.
A kind of mobile terminal, including:
The charging circuit of mobile terminal described in any one of the above embodiments.
A kind of charging method of mobile terminal is applied to the mobile terminal described in the next item up, including:
Detect the input voltage between the setting signal line and the setting ground wire;
Judge whether the input voltage reaches default value;
If so, the control switching switch switches to the charging chip by the head circuit.
A kind of charging system of mobile terminal, including:
The mobile terminal of charging circuit including the mobile terminal described above, USB data line connect with the USB The USB charger that is connected by the USB data line of mouth, and the charger that matches with the earphone interface.
It can be seen via above technical scheme that compared with prior art, the present invention provides a kind of chargings of mobile terminal Method, circuit and system and mobile terminal.The mobile terminal includes earphone interface and the ear that is connected with the earphone interface Electromechanical road, the charging circuit of mobile terminal provided by the invention can be realized and be charged for mobile terminal by earphone interface, specifically , the earphone interface includes setting signal line and setting ground wire, when user is that mobile terminal charges by earphone interface, institute The input voltage that control circuit is able to detect that between the setting signal line and the setting ground wire is stated, if the input voltage Reach default value, control the switching switch and the charging chip is switched to by the head circuit, the charging chip and The rechargeable battery is connected, and realizes the charging to rechargeable battery.That is, the present invention provides another to mobile whole The mode to charge is held, which does not conflict with existing in such a way that USB interface is mobile terminal charging, therefore the two It can use simultaneously, so as to further increase the charging rate of mobile terminal, promote user experience well.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structure chart of the charging circuit of mobile terminal provided in an embodiment of the present invention;
Fig. 2 is a kind of flow chart of the charging method of mobile terminal provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is described in further detail.
Embodiment
Referring to Fig. 1, Fig. 1 is a kind of structure chart of the charging circuit of mobile terminal provided in an embodiment of the present invention.It is described Mobile terminal includes earphone interface and the head circuit that is connected with the earphone interface, as shown in Figure 1, the mobile terminal Charging circuit includes:
Earphone interface 101;
Specifically, the earphone interface 101 includes setting signal line and setting ground wire.
Optionally, the setting signal line is the right channel line of the earphone interface 101, and the ground wire that sets is the ear The microphone lines or ground wire of machine interface 101;Or the microphone lines that the setting signal line is the earphone interface 101, institute It states and sets ground wire as the right channel line or ground wire of the earphone interface 101.
The switching switch 103 being connected with the head circuit 102;
The charging chip 104 being connected with the switching switch 103;
The rechargeable battery 105 being connected with the charging chip 104;
And the control circuit being connected with the setting signal line, the setting ground wire and the switching switch 103 106, for detecting the input voltage between the setting signal line and the setting ground wire, if the input voltage reaches default Numerical value controls the switching switch 103 and switches to the charging chip 104 by the head circuit 102;
If specifically, being the plug insertion earphone interface 101 of earphone, then the setting signal line and the setting Input voltage between ground wire is generally 0, therefore the control circuit 106 determines that the input voltage reaches the default value When, just can determine be charger plug, control the switching switch 103 at this time and disconnected with the head circuit 102, And the charging chip 104 is switched to, realization is connected with the charging chip 104, at this point, just through the charging chip 104 It can realize and charge to the rechargeable battery 105.
Specifically, the charging chip 104 is power management chip, the effect with power management chip in the prior art It is identical, intelligent charge management, overvoltage, overcurrent, excessively mild short-circuit protection mainly are carried out to rechargeable battery, and be mobile terminal Other interior chips provide the power supply etc. of multiple voltage, and so it will not be repeated.
Optionally, the control circuit 106 includes:
Earphone detecting sub-circuit, for detecting the input voltage between the setting signal line and the setting ground wire;
The control chip being connected with the earphone detecting circuit, if reaching default value for the input voltage, control It makes the switching switch and the charging chip is switched to by the head circuit.
The charging circuit of mobile terminal provided in an embodiment of the present invention can be realized and be filled for mobile terminal by earphone interface Electricity, specifically, the earphone interface includes setting signal line and setting ground wire, when user is filled by earphone interface for mobile terminal When electric, the control circuit is able to detect that the input voltage between the setting signal line and the setting ground wire, if described Input voltage reaches default value, controls the switching switch and switches to the charging chip by the head circuit, described to fill Electrical chip is connected with the rechargeable battery, realizes the charging to rechargeable battery.That is, an embodiment of the present invention provides another A kind of outer mode to charge to mobile terminal, which is with existing in such a way that USB interface is mobile terminal charging Do not conflict, therefore the two can use simultaneously, so as to further increase the charging rate of mobile terminal, is promoted use well It experiences at family.
Optionally, the charging circuit for the mobile terminal that another embodiment of the present invention provides, the earphone interface 101 with The switching switch 103 is connected, and the control circuit 106 passes through the switching switch 103 and the setting signal line and institute Setting ground wire is stated to be connected.
Optionally, the charging circuit for the mobile terminal that another embodiment of the present invention provides, the setting signal line are The right channel line of the earphone interface 101, the ground wire that sets is the microphone lines of the earphone interface 101 or ground wire;Or Setting signal line described in person is the microphone lines of the earphone interface 101, and the ground wire that sets is the right side of the earphone interface 101 Sound channel line or ground wire.
Optionally, the charging circuit for the mobile terminal that another embodiment of the present invention provides further includes:
The USB interface being connected with the charging chip 104.
In order to illustrate technical solution provided by the invention more fully hereinafter, correspond to provided in an embodiment of the present invention mobile whole End, the present invention disclose a kind of charging method of mobile terminal.
Referring to Fig. 2, Fig. 2 is a kind of flow chart of the charging method of mobile terminal provided in an embodiment of the present invention.Such as Fig. 2 Shown, this method includes:
Step S201 detects the input voltage between the setting signal line and the setting ground wire;
Step S202, judges whether the input voltage reaches default value;
Step S203, if so, the control switching switch switches to the charging chip by the head circuit;
Specifically, if not, illustrate to be inserted into the plug of the not charger of the earphone interface 101, generally earphone Plug, therefore the switching switch is kept to be connected with the head circuit, it, being capable of normal use when user being made to be inserted into headset plug Earphone.
In order to illustrate technical solution provided by the invention more fully hereinafter, correspond to provided in an embodiment of the present invention mobile whole The charging circuit at end, the present invention disclose a kind of mobile terminal.
Mobile terminal provided in an embodiment of the present invention, including, any one movement that the embodiments of the present invention provide is eventually The charging circuit at end.
It is, of course, understood that the mobile terminal further includes terminal body.
In order to illustrate technical solution provided by the invention more fully hereinafter, invention additionally discloses a kind of chargings of mobile terminal System.
The charging system of mobile terminal provided in an embodiment of the present invention, including:
Any one mobile terminal that the embodiments of the present invention provide, USB data line, described in the mobile terminal The USB charger that USB interface is connected by the USB data line, and the charger that matches with the earphone interface.
Specifically, the charger to match with the earphone interface, includes the plug to match with the earphone interface.It can Choosing, the earphone interface is generally hole shape, and therefore, the plug of the charger to match with the earphone interface is round end Plug.Specifically, the charger is technology ripe in current technology, repeat no more.
It should be noted that the technical solution that any one embodiment of the invention provides, the mobile terminal includes intelligence Mobile phone.
It can be seen via above technical scheme that compared with prior art, the present invention provides a kind of chargings of mobile terminal Method, circuit and system and mobile terminal.The mobile terminal includes earphone interface and the ear that is connected with the earphone interface Electromechanical road, the charging circuit of mobile terminal provided by the invention can be realized and be charged for mobile terminal by earphone interface, specifically , the earphone interface includes setting signal line and setting ground wire, when user is that mobile terminal charges by earphone interface, institute The input voltage that control circuit is able to detect that between the setting signal line and the setting ground wire is stated, if the input voltage Reach default value, control the switching switch and the charging chip is switched to by the head circuit, the charging chip and The rechargeable battery is connected, and realizes the charging to rechargeable battery.That is, the present invention provides another to mobile whole The mode to charge is held, which does not conflict with existing in such a way that USB interface is mobile terminal charging, therefore the two It can use simultaneously, so as to further increase the charging rate of mobile terminal, promote user experience well.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only that A little elements, but also include other elements that are not explicitly listed, or further include for this process, method, article or The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For being moved disclosed in embodiment For the charging method of terminal, charging system and mobile terminal, due to the charging circuit of itself and mobile terminal disclosed in embodiment Corresponding, so description is fairly simple, reference may be made to the description of the method.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest range caused.

Claims (11)

1. a kind of charging circuit of mobile terminal, the mobile terminal includes earphone interface and is connected with the earphone interface Head circuit, which is characterized in that the earphone interface includes setting signal line and setting ground wire, the charging electricity of the mobile terminal Road includes:
Earphone interface;
The switching switch being connected with the head circuit;
The charging chip being connected with the switching switch;
The rechargeable battery being connected with the charging chip;
And the control circuit being connected with the setting signal line, the setting ground wire and the switching switch, for detecting Input voltage between the setting signal line and the setting ground wire controls institute if the input voltage reaches default value It states switching switch and the charging chip is switched to by the head circuit;
Wherein, the setting signal line is the right channel line of the earphone interface, and the ground wire that sets is the earphone interface Microphone lines or ground wire.
2. the charging circuit of mobile terminal according to claim 1, which is characterized in that the earphone interface and the switching Switch is connected, and the control circuit is switched by the switching to be connected with the setting signal line and the setting ground wire.
3. charging circuit according to claim 1 or 2, which is characterized in that the control circuit includes:
Earphone detecting sub-circuit, for detecting the input voltage between the setting signal line and the setting ground wire;
The control chip being connected with the earphone detecting circuit controls institute if reaching default value for the input voltage It states switching switch and the charging chip is switched to by the head circuit.
4. the charging circuit of mobile terminal according to claim 1 or 2, which is characterized in that the setting signal line is replaced For the microphone lines of the earphone interface, the setting ground wire replaces with the right channel line or ground wire of the earphone interface.
5. the charging circuit of mobile terminal according to claim 3, which is characterized in that the setting signal line replaces with institute The microphone lines of earphone interface are stated, the setting ground wire replaces with the right channel line or ground wire of the earphone interface.
6. according to claim 1,2 or the charging circuit of 5 any one of them mobile terminals, which is characterized in that further include:
The USB interface being connected with the charging chip.
7. the charging circuit of mobile terminal according to claim 3, which is characterized in that further include:
The USB interface being connected with the charging chip.
8. the charging circuit of mobile terminal according to claim 4, which is characterized in that further include:
The USB interface being connected with the charging chip.
9. a kind of mobile terminal, which is characterized in that including:
The charging circuit of claim 1 ~ 8 any one of them mobile terminal.
10. a kind of charging method of mobile terminal is applied to the mobile terminal described in claim 9, which is characterized in that including:
Detect the input voltage between the setting signal line and the setting ground wire;
Judge whether the input voltage reaches default value;
If so, the control switching switch switches to the charging chip by the head circuit.
11. a kind of charging system of mobile terminal, which is characterized in that including:
Mobile terminal described in claim 9, USB data line are connected with the USB interface by the USB data line USB charger, and the charger that matches with the earphone interface.
CN201610113128.8A 2016-02-29 2016-02-29 Charging method, circuit and the system and mobile terminal of mobile terminal Active CN105656137B (en)

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Application Number Priority Date Filing Date Title
CN201610113128.8A CN105656137B (en) 2016-02-29 2016-02-29 Charging method, circuit and the system and mobile terminal of mobile terminal

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CN105656137B true CN105656137B (en) 2018-07-27

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111525645A (en) * 2020-04-30 2020-08-11 歌尔科技有限公司 Intelligent charging method, system and related equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103633713A (en) * 2013-12-17 2014-03-12 倪荣琴 Mobile phone charge device
CN104393459A (en) * 2014-10-27 2015-03-04 常州听觉工坊智能科技有限公司 Interface circuit, interface switching method and electronic device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150120208A (en) * 2014-04-17 2015-10-27 엘지전자 주식회사 Mobile terminal and method for controlling the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103633713A (en) * 2013-12-17 2014-03-12 倪荣琴 Mobile phone charge device
CN104393459A (en) * 2014-10-27 2015-03-04 常州听觉工坊智能科技有限公司 Interface circuit, interface switching method and electronic device

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