CN104242390B - A kind of charging method, charging circuit and mobile terminal - Google Patents
A kind of charging method, charging circuit and mobile terminal Download PDFInfo
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- CN104242390B CN104242390B CN201410441450.4A CN201410441450A CN104242390B CN 104242390 B CN104242390 B CN 104242390B CN 201410441450 A CN201410441450 A CN 201410441450A CN 104242390 B CN104242390 B CN 104242390B
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 230000005611 electricity Effects 0.000 claims description 25
- 230000037361 pathway Effects 0.000 claims description 18
- 239000004065 semiconductor Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims 1
- 102100031699 Choline transporter-like protein 1 Human genes 0.000 description 6
- 102100035954 Choline transporter-like protein 2 Human genes 0.000 description 6
- 101000940912 Homo sapiens Choline transporter-like protein 1 Proteins 0.000 description 6
- 101000948115 Homo sapiens Choline transporter-like protein 2 Proteins 0.000 description 6
- 238000010295 mobile communication Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/623—Portable devices, e.g. mobile telephones, cameras or pacemakers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
-
- H02J7/0091—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention is applicable to field of mobile terminals, it is provided that a kind of charging method, charging circuit and mobile terminal.Temperature sensing circuit detects the temperature of described battery core, exports described temperature to control circuit；Described control circuit judges that described temperature, whether less than the first temperature, if described temperature is less than described first temperature, then exports heating instructions to heater circuit, if described temperature is greater than or equal to described first temperature, then fills instruction soon to filling charging circuit output soon；Described battery core, when receiving described heating instructions, is heated by described heater circuit；Described fill soon charging circuit receive described fill instruction soon time, described battery core is charged with the first electric current by described charging inlet.Even if present invention battery core is in the external environment of low temperature, remains to be ensured by heater circuit the surface temperature of battery core, it is achieved the large current charge to battery core, save the charging interval.
Description
Technical field
The invention belongs to field of mobile terminals, particularly relate to a kind of charging method, charging circuit and mobile terminal.
Background technology
Mobile terminal, is called again mobile communication terminal, refers to the electronic equipment that can use in movement, including mobile phone, pen
The electronic equipments such as note basis, panel computer, POS, IPAD, even vehicle-mounted computer.Existing third party has been for mobile terminal exploitation
Go out substantial amounts of application program, enrich the function of mobile terminal.There is the mobile terminal of abundant function, be increasingly becoming people with
Body belongings.
Along with the use frequency of mobile terminal gradually increases, but the electricity that battery core can store is limited, it is therefore desirable to warp
Often charging.Existing mobile terminal generally uses MICRO USB interface (only including a power line and a ground wire) to movement
The battery core charging of terminal, is only capable of supporting the charging current of below 3A, and charging rate is slow, loses time.Meanwhile, as need to be to shifting
The battery core charging of dynamic terminal, necessarily at certain temperature range, (this temperature range is usually this battery core: 0 degree Celsius Celsius to 45
Degree) in could normally battery core be charged, if the ambient temperature of battery core local environment less than 0 degree Celsius, will be unable to battery core
It is charged.
Summary of the invention
It is an object of the invention to provide a kind of charging method, charging circuit and mobile terminal, keep battery core higher than first
Temperature also carries out large current charge with the first electric current to battery core.
First aspect, the present invention provides a kind of charging method, and described charging method includes:
Temperature sensing circuit detects the temperature of described battery core, exports described temperature to control circuit；
Described control circuit judges whether described temperature is less than the first temperature, if described temperature is less than described first temperature
Degree, then export heating instructions to heater circuit, if described temperature is greater than or equal to described first temperature, then to filling charged electrical soon
Instruction is filled in road output soon；
Described battery core, when receiving described heating instructions, is heated by described heater circuit；
Described fill soon charging circuit receive described fill instruction soon time, by described charging inlet with the first electric current to institute
State battery core charging.
Second aspect, the present invention provides a kind of charging circuit, and described charging circuit connects charging inlet；Described charging circuit bag
Include temperature sensing circuit, heater circuit, fill charging circuit and control circuit soon；
The described charging circuit that fills soon is connected electrically between described charging inlet and battery core, and described control circuit is respectively with described
Fill charging circuit, described temperature sensing circuit and the electrical connection of described heater circuit soon；
Described temperature sensing circuit, for detecting the temperature of described battery core, exports described temperature to described control circuit；
Described control circuit, for exporting heating instructions when described temperature is less than the first temperature to described heater circuit,
Be additionally operable to described temperature greater than or equal to described first temperature time to described fill soon charging circuit output fill instruction soon；
Described heater circuit, for when receiving described heating instructions, heats described battery core；
Described fill charging circuit soon, for receive described fill instruction soon time, by described charging inlet with the first electricity
Described battery core is charged by stream.
The third aspect, the present invention provides a kind of mobile terminal, and described mobile terminal includes charging inlet, described mobile terminal
Also include above-mentioned charging circuit；Described charging circuit connects described charging inlet and battery core respectively.
Beneficial effects of the present invention: during the battery core of mobile terminal is charged by charger, control circuit is real-time
Detected the temperature of described battery core by described temperature sensing circuit, (battery core is carried out less than the first temperature in the temperature detected
Minimum temperature necessary to large current charge) time, control heater circuit and battery core is heated；When the temperature detected reaches at or above
During the first temperature, within the temperature range of can charging normal battery core, charger is with first electric current electricity to mobile terminal
Core carries out large current charge.Even if present invention battery core is in the external environment of low temperature, remain to ensure battery core by heater circuit
Surface temperature, it is achieved the large current charge to battery core, save the charging interval.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to embodiment or description of the prior art
The accompanying drawing used required in is briefly described, it should be apparent that, the accompanying drawing in describing below is only some of the present invention
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these
Accompanying drawing obtains other accompanying drawing.
Fig. 1 is the structure composed figure of the charging circuit that the embodiment of the present invention provides；
Fig. 2 is that a kind of of charging circuit that the embodiment of the present invention provides optimizes structure composed figure；
Fig. 3 is that a kind of of charging circuit that the embodiment of the present invention provides optimizes structure composed figure；
Fig. 4 is a kind of physical circuit figure of auxiliary charging circuit 122；
Fig. 5 is the workflow diagram of the charging method that the embodiment of the present invention provides；
Fig. 6 is a kind of optimized work flow figure of the charging method that the embodiment of the present invention provides；
Fig. 7 is another the optimized work flow figure of the charging method that the embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.In order to technical solutions according to the invention are described, illustrate below by specific embodiment.
Mobile terminal described in the embodiment of the present invention can be accessed by mobile communications network and/or Ethernet.Mobile terminal can lead to
Crossing mobile communications network to carry out dialing/receiving telephone, send the mobile communication such as note, described mobile communications network includes but does not limits
In: GSM network, 2G network, 3G network, 4G network, LET network, WCDMA network, TD-CDMA network etc..Described mobile whole
End carries out data also by mobile communications network and/or Ethernet and uploads or download, such as, download application program.
Charger described in the embodiment of the present invention can be electronic equipment, it is also possible to be charging adapter.
The charger provided for the embodiment of the present invention, when this charger is connected with mobile terminal, this charging sets
Transmit for the mutual of data can be carried out with mobile terminal；Meanwhile, when this charger is connected with mobile terminal, in battery core
Temperature higher than the second temperature time, the battery core of mobile terminal is charged by this charger.
It should be noted that, for the connected mode of this charger Yu this mobile terminal, the embodiment of the present invention does not limits,
Including wireless connections and wired connection.This mobile terminal includes charging inlet and control circuit.
If this charger and these mobile terminal wireless connections, the charging inlet of mobile terminal is coupled to receive described charging
The wireless signal that equipment sends to described mobile terminal, is coupled out the signal of telecommunication from this wireless signal；This charger is with coupling
Battery core is charged by the signal of telecommunication gone out；It addition, this charger also can communicate with this mobile terminal, move in communication process
The control circuit of terminal demodulates data from this signal of telecommunication.
If this charger is with this mobile terminal wired connection (such as: the charging inlet of this charger moves with this
The charging inlet grafting of terminal), the control circuit of mobile terminal can carry out data biography by this charging inlet and this charger
Defeated；Additionally when the temperature of battery core is higher than described second temperature, battery core can be charged by this charger；It addition, this charging sets
For also this control circuit directly being powered, such as when the electricity deficiency of the battery core of mobile terminal thinks that control circuit is powered,
When the charging inlet grafting of charging inlet and this mobile terminal of this charger, this charger is filled by mobile terminal
This control circuit is directly powered by electrical interface, and control circuit works on power.
Owing to whether battery core can be charged, with how much current to battery core charge, all relevant with the temperature of battery core, such as with
The surface temperature of battery core is relevant.For the embodiment of the present invention for improving charge efficiency, when the temperature of battery core is less than the first temperature
Heating battery core so that the temperature of battery core is increased to the state more than this first temperature, the temperature in battery core is higher than this first temperature
When spending, battery core can support large current charge；So, the embodiment of the present invention is when the temperature of battery core is higher than this first temperature, with the
One electric current carries out large current charge to described battery core.Accordingly, the embodiment of the present invention gives battery core heating and enters battery core
The structure composed of row large current charge, sees Fig. 1；Fig. 1 shows the structure composed of the charging circuit that the embodiment of the present invention provides,
For the ease of describing, illustrate only the part relevant to the embodiment of the present invention.
Seeing Fig. 1, the charging circuit that the embodiment of the present invention provides, described charging circuit connects charging inlet 15；In battery core 13
Under the state engaged with battery core groove, the described charging circuit 12 that fills soon is connected electrically between described charging inlet 15 and battery core 13.This
Sample, charger can sequentially pass through this charging inlet 15 that mobile terminal includes and this fills charging circuit 12 soon to described battery core 13
Charging.
See Fig. 1, described charging circuit include temperature sensing circuit 14, heater circuit 16, soon fill charging circuit 12 and control
Circuit 11 processed, described control circuit 11 fills charging circuit 12, described temperature sensing circuit 14 and described heating soon with described respectively
Circuit 16 electrically connects.
See Fig. 1, the temperature sensing circuit 14 that described charging circuit is included, described temperature sensing circuit 14 is used for:
Detect the temperature of described battery core 13, export described temperature to described control circuit 11.
In embodiments of the present invention, described temperature sensing circuit 14 detects the temperature of described battery core 13 in real time, and will detection
To temperature export in real time to described control circuit 11.It should be noted that, the embodiment of the present invention is to described temperature sensing circuit 14
Particular circuit configurations, do not limit at this, as long as this described temperature sensing circuit 14 can detect described battery core 13 in real time
Temperature.
As the embodiment of the present invention one detailed description of the invention, described temperature sensing circuit 14 includes temperature sensor, this temperature
The surface of described battery core 13 is located at by degree sensor, and described temperature sensing circuit 14 detects described electricity in real time by this temperature sensor
The temperature of core 13.
As the embodiment of the present invention one detailed description of the invention, described temperature sensing circuit 14 includes that critesistor is (the most just
Temperature coefficient thermistor device (PTC), more such as negative temperature coefficient thermistor (NTC)), described electricity is located at by this critesistor
The surface of core 13, described temperature sensing circuit 14 detects the temperature of described battery core 13 in real time by this critesistor.
Seeing Fig. 1, the control circuit 11 included for described charging circuit, described control circuit 11 is used for: in described temperature
Export heating instructions to described heater circuit 16 when degree is less than the first temperature, be additionally operable in described temperature greater than or equal to described the
Export fill instruction soon to the described charging circuit 12 that fills soon during one temperature.
In embodiments of the present invention, after described control circuit 11 works on power, temperature sensing circuit 14 described in real-time reception
The temperature (this temperature is: described temperature sensing circuit 14 detects temperature detected during the temperature of described battery core 13) of output.
And then, if charger is connected with the charging inlet 15 of mobile terminal, described control circuit 11 judges described temperature detection electricity
Whether the temperature of road 14 output is higher than described first temperature.
If the temperature of described temperature sensing circuit 14 output is greater than or equal to described first temperature, described control circuit 11
Export described fill instruction soon to the described charging circuit 12 that fills soon so that the described charging circuit 12 that fills soon is by described charging inlet 15
With the first electric current, described battery core 13 is charged.
If the temperature of described temperature sensing circuit 14 output is higher than less than described first temperature, to described heater circuit 16
Output heating instructions so that described battery core 13 is heated by described heater circuit 16 immediately；Until the temperature of battery core 13 reaches described
During the first temperature, described control circuit 11 exports described fill instruction soon to the described charging circuit 12 that fills soon.
As the embodiment of the present invention one embodiment, described control circuit 11 by have data-handling capacity controller and
Its peripheral circuit forms.
As the embodiment of the present invention one embodiment, described first temperature is 10 degrees Celsius；Described first electric current is for being more than
Or the electric current equal to 3 amperes.
Seeing Fig. 1, the heater circuit 16 included for described charging circuit, described heater circuit 16 is used for: receiving
During described heating instructions, described battery core 13 is heated.In embodiments of the present invention, comprised described heater circuit 16 is concrete
Circuit, does not limits at this, as long as can be heated battery core 13 by described heater circuit 16.
In the embodiment of the present invention one detailed description of the invention, described heater circuit 16 includes resistance and/or metal-oxide-semiconductor；
Described heater circuit 16, specifically for when receiving described heating instructions, by described resistance and/or described
The electric energy inputted from described charging inlet 15 is converted to heat energy and heats with described battery core 13 by metal-oxide-semiconductor.
In this embodiment, if described heater circuit 16 includes resistance, the most described resistance be attached at described
The surface of battery core 13, described resistance, when receiving described heating instructions, is energized by described heater circuit 16, and described resistance will
Electric energy is converted to heat energy, and described battery core 13 is heated by the heat energy gone out by conversion, to promote the temperature of described battery core 13.
In this embodiment, if described heater circuit 16 includes metal-oxide-semiconductor, the most described metal-oxide-semiconductor is to be attached at institute
Stating the surface of battery core 13, described metal-oxide-semiconductor, when receiving described heating instructions, is energized by described heater circuit 16, described MOS
Pipe converts electrical energy into heat energy, and described battery core 13 is heated by the heat energy gone out by conversion, to promote the temperature of described battery core 13.
As a concrete case of detailed description of the invention, described resistance and/or described metal-oxide-semiconductor are built in heating film,
This heating film is attached at the surface of described battery core 13 by heat-conducting glue, particularly for which of surface being attached at described battery core 13
Particular location, does not limits at this；Preferably, it is attached at described electricity by described heating film with canoe or in parcel mode
Core 13 main body.Preferably, described heating film uses heat conductive silica gel to make.
See Fig. 1, fill charging circuit 12 soon for what described charging circuit included, described fill soon charging circuit 12 for:
Receive described fill instruction soon time, described battery core 13 is charged with the first electric current by described charging inlet 15.
In embodiments of the present invention, fast mold filling formula supported by the described charging circuit 12 that fills soon, but described fills charging circuit 12 soon
Whether enter fast mold filling formula, described control circuit 11 determine.
When the described charging circuit 12 that fills soon receives when filling instruction soon of described control circuit 11 output, enter this fast mold filling
Formula；Charger sequentially passes through described charging inlet 15 that mobile terminal includes and described fills charging circuit 12 soon, with described
Described battery core 13 is charged by one electric current (such as: the electric current more than or equal to 3 amperes).
Fig. 2 shows that a kind of of charging circuit that the embodiment of the present invention provides optimizes structure composed, for the ease of describing, only
Show the part relevant to the embodiment of the present invention.
In the embodiment of the present invention one embodiment, seeing Fig. 2, described heater circuit 16 is electrically connected with described charging inlet 15
Connecing, described control circuit 11 electrically connects with described charging inlet 15.So, charger can be by the charging inlet of mobile terminal
Described control circuit 11 is directly powered by 15.Electric energy needed for described heater circuit 16 can be by the charging inlet of mobile terminal
15 directly obtain from charger.
Seeing Fig. 2, for the control circuit 11 described in present embodiment, described control circuit 11 is additionally operable to: set in charging
Described temperature sensing circuit 14 exports, described electricity is judged for when described control circuit 11 being powered on by described charging inlet 15
Whether the temperature of core 13 is less than described first temperature, if the temperature of described battery core 13 is less than described first temperature, then to described
Heater circuit 16 exports described heating instructions.
In the present embodiment, the battery core 13 of mobile terminal needs charging, and the electricity of described battery core 13 is not enough to drive control
Circuit 11 processed works on power.When charger is connected with described mobile terminal (such as: the charging inlet of this charger and this shifting
Charging inlet 15 grafting of dynamic terminal) time, control circuit 11 is powered by charger by the charging inlet 15 of mobile terminal, is somebody's turn to do
Control circuit 11 works on power；The control circuit 11 worked on power, the temperature that real-time reception exports from described temperature sensing circuit 14
Degree (temperature that described temperature sensing circuit 14 detects when detecting the temperature of described battery core 13), it is judged that described temperature sensing circuit
Whether the temperature of 14 outputs is less than described first temperature, if the temperature of described battery core 13 is less than described first temperature, then to institute
State heater circuit 16 and export described heating instructions；If the temperature of described battery core 13 is greater than or equal to described first temperature, then to
The described charging circuit 12 that fills soon exports and described fills instruction soon, described fills charging circuit 12 soon by described charging inlet 15 with first
Described battery core 13 is charged by electric current.
See Fig. 2, for the heater circuit 16 described in present embodiment, described heater circuit 16 specifically for: receiving
During to described heating instructions, the electric energy inputted from described charging inlet 15 is converted to heat energy so that described battery core 13 to be heated.
In the present embodiment, the charging inlet 15 included due to described mobile terminal electrically connects with heater circuit 16,
This heater circuit 16 directly can receive the signal of telecommunication, the electric energy being loaded with by this signal of telecommunication from charger by this charging inlet 15
Being converted to heat energy, described battery core 13 is heated by the heat energy gone out by conversion.
In the embodiment of the present invention one detailed description of the invention, the control circuit 11 that this detailed description of the invention provides, it is additionally operable to
When described temperature sensing circuit 14 exports, the temperature of described battery core 13 reaches three temperature, export to described heater circuit 16
Halt instruction；Described 3rd temperature is higher than described first temperature.
The heater circuit 16 that this detailed description of the invention provides, is additionally operable to when receiving described halt instruction, stops institute
State battery core 13 to heat.
In this embodiment, described control circuit 11 is received from described temperature sensing circuit 14 in real time
Temperature (temperature that described temperature sensing circuit 14 detects when detecting the temperature of described battery core 13), not only judges that described temperature is
No less than described first temperature, also judge described temperature whether higher than described 3rd temperature, if described temperature is higher than described the
Three temperature, the temperature representing battery core 13 is too high, it is impossible to normally charge battery core 13, and described control circuit 11 is timely to described heating
Circuit 16 exports described halt instruction；And then, described heater circuit 16, when receiving described halt instruction, stops battery core 13
Heating.
As a case study on implementation of this detailed description of the invention, described 3rd temperature is set to 45 degrees Celsius.
As the embodiment of the present invention one embodiment, for the control circuit 11 described in present embodiment, it is additionally operable to: in institute
State temperature and soon fill charging circuit 12 to described greater than or equal to described second temperature and described temperature when being less than described first temperature
Export and general fill instruction, fill charging circuit 12 output when described temperature is less than described second temperature soon stop filling instruction to described.?
In present embodiment, described second temperature is less than described first temperature；When the temperature of battery core 13 is less than described second temperature, several
Battery core 13 can not be charged, or be only capable of with Weak current, battery core 13 being charged.
In the present embodiment, described in described control circuit 11 real-time reception, the temperature of temperature sensing circuit 14 output (should
Temperature is: described temperature sensing circuit 14 detects temperature detected during the temperature of described battery core 13), it is judged that described temperature is
No less than described first temperature, also judge that whether described temperature is less than described second temperature；If described temperature is greater than or equal to
Described second temperature and described temperature are less than described first temperature, and the temperature representing battery core 13 is not suitable for large current charge (example
As, be not suitable for the first electric current, battery core 13 being charged), then export general fill instruction to the described charging circuit 12 that fills soon；If it is described
Temperature is less than described second temperature, and the temperature representing battery core 13 is too low, it is impossible to charge battery core 13, then fill charged electrical soon to described
Road 12 output stops filling instruction.
As a case study on implementation of present embodiment, described first temperature is basis from 0 degree Celsius to 10 degree Celsius
The temperature value that experimental data determines or artificially determines.
Charging circuit 12 is filled soon for described described in present embodiment, is additionally operable to: receive described general fill instruction time,
Being charged described battery core 13 with the second electric current by described charging inlet 15, described second electric current is less than described first electric current；Also
For when stopping filling instruction described in receiving, disconnect the charge circuit described battery core 13 charged by described charging inlet 15.
In the present embodiment, if the described charging circuit 12 that fills soon receives and described general fills instruction, charger is successively
Through mobile terminal charging inlet 15 and fill soon charging circuit 12 battery core 13 is charged time, the described charging circuit 12 that fills soon only props up
Hold and with described second electric current, battery core 13 is charged.
Being embodied as case as present embodiment one, described second electric current is less than the current value of described first electric current.
Preferably, described second electric current is the electric current less than 3 amperes, and the most described second electric current is the electric current of micromicroampere level.
Fig. 3 shows that a kind of of charging circuit that the embodiment of the present invention provides optimizes structure composed, for the ease of describing, only
Show the part relevant to the embodiment of the present invention.
As the embodiment of the present invention one embodiment, described in present embodiment, fill charging circuit 12 soon, see Fig. 3, bag
Include main charging circuit 121；The described charging circuit 12 that fills soon also includes one or more auxiliary charging circuit 122.
In the present embodiment, as long as needing to charge the battery core 13 of mobile terminal, charger all can be by mobile whole
Battery core 13 is charged by charging inlet 15 and the main charging circuit 121 of end.If needing battery core 13 is carried out large current charge, described
Fill charging circuit 12 soon according to filling instruction (being filled instruction soon by what control circuit 11 exported) soon, connect described charging inlet 15 and institute
State the charging path filling the auxiliary charging circuit 122 specified soon to battery core 13；The auxiliary charging specified is filled soon if described
Circuit 122 is multiple, sequentially passes through, at charger, described charging inlet 15 that mobile terminal includes and described fill instruction soon and refer to
When described battery core 13 is charged by fixed auxiliary charging circuit 122, the described multiple auxiliary charging circuit 122 specified that fills soon is in parallel
, when charging battery core 13, the mode of multiple auxiliary charging circuit 122 parallel connection can be effectively improved the charging current to battery core 13.
What deserves to be explained is, charger through the charging inlet 15 of mobile terminal and main charging circuit 121 to battery core 13
During charging, control circuit 11 adjustable flows through the charging current of main charging circuit 121.It addition, control circuit 11 also can control main
The on or off of charging circuit 121, the charge circuit by main charging circuit 121, battery core 13 charged with on or off.
See Fig. 3, described fill charging circuit 12 soon, specifically for receive described general fill instruction time, be sequentially communicated institute
State charging inlet 15, described main charging circuit 121 and the electric pathway of described battery core 13, sequentially pass through described charging inlet 15 and institute
State main charging circuit 121 with described second electric current, described battery core 13 to be charged.
In the present embodiment, the described charging circuit 12 that fills soon has general mold filling formula and fast mold filling formula；Fill soon when described
Electricity circuit 12 receives the described general when filling instruction of control circuit 11 output, enters general mode, only by main charging circuit 121
Battery core 13 is charged.
Specifically, the described charging circuit 12 that fills soon receives the described general when filling instruction of control circuit 11 output, connects institute
Stating charging inlet 15, described main charging circuit 121 and the electric pathway of described battery core 13, charger passes sequentially through mobile terminal bag
Battery core 13 is charged by the described charging inlet 15 and the described main charging circuit 121 that include, and the charging current to battery core 13 charging is institute
State the second electric current.
See Fig. 3, described fill charging circuit 12 soon, also particularly useful for receive described fill instruction soon time, be sequentially communicated
Described charging inlet 15, described main charging circuit 121 and the electric pathway of described battery core 13, sequentially pass through described charging inlet 15 He
Described battery core 13 is charged by described main charging circuit 121, and also is sequentially communicated described charging inlet 15, described fill instruction soon and refer to
Fixed auxiliary charging circuit 122 and the electric pathway of described battery core 13, sequentially pass through described charging inlet 15 and described fill instruction soon and refer to
Described battery core 13 is charged by fixed auxiliary charging circuit 122, and the described auxiliary charging circuit 122 specified that fills soon is one or many
Individual.
In the present embodiment, when described fill that charging circuit 12 receives control circuit 11 output soon described fill instruction soon
Time, enter fast mold filling formula, not only through main charging circuit 121, battery core 13 is charged, fill instruction appointment soon also by described simultaneously
Auxiliary charging circuit 122 battery core 13 is charged.
Specifically, the described charging circuit 12 that fills soon receives the described when filling instruction soon of control circuit 11 output, connects institute
Stating charging inlet 15, described main charging circuit 121 and the electric pathway of described battery core 13, charger passes sequentially through mobile terminal bag
Battery core 13 is charged by the described charging inlet 15 and the described main charging circuit 121 that include；Meanwhile, described charging inlet is connected
15, described fill the auxiliary charging circuit 122 and the electric pathway of described battery core 13 specified soon, charger pass sequentially through mobile eventually
Battery core 13 is charged by described charging inlet 15 and the described auxiliary charging circuit 122 specified that fills soon that end includes；It is worth explanation
, the described auxiliary charging circuit 122 specified that fills soon, for multiple, instructs appointment described charging inlet 15, described filling soon
Auxiliary charging circuit 122 and the electric pathway that formed of described battery core 13 in, described fill the multiple auxiliary charging circuit 122 specified soon
Being in parallel, so, the mode of multiple auxiliary charging circuit 122 parallel connection can be effectively improved the charging current to battery core 13.
As present embodiment one case study on implementation, described auxiliary charging circuit 122 is charging chip.
In the implementation case, control circuit 11 can control charging chip (auxiliary charging circuit 122), adjusts and fills described in passing through
The charging current that battery core is charged by electrical chip.Control circuit 11 also can control the on or off of charging chip, with conducting or pass
The charge circuit that battery core is charged by open close overcharge chip (auxiliary charging circuit 122).
Preferably, described main charging circuit 121 is also charging chip.
As present embodiment one case study on implementation, described auxiliary charging circuit 122 has the first controlled end CTL1, second controlled
End CTL2, battery core end V2 and charging end V1, described battery core end V2 electrically connects with described battery core 13, and described charging end V1 fills with described
Electrical interface 15 electrically connects, and described first controlled end CTL1 and described second controlled end CTL2 is electrically connected with described control circuit 11 respectively
Connect；
Described auxiliary charging circuit 122, specifically for from described first controlled end CTL1 receive described fill instruction soon time, lead
Logical described charging end V1 and described battery core end V2；
Described auxiliary charging circuit 122, also particularly useful for when described second controlled end CTL2 receives described open command,
Disconnecting the electrical connection of described charging end V1 and described battery core end V2, described open command is exported by described control circuit 11.
In the implementation case, control circuit 11 exports fill instruction soon to the described charging circuit 12 that fills soon, particularly as follows: control
Circuit 11 can send and described fill instruction soon by one or more described auxiliary charging circuits 122, receives and described fill the auxiliary of instruction soon and fill
Electricity circuit 122 is the described auxiliary charging circuit 122 filling soon and specifying.
Specifically, for the described each auxiliary charging circuit 122 filling soon and specifying, described auxiliary charging circuit 122 is from institute
State the first controlled end CTL1 and receive described when filling instruction soon, turn on described charging end V1 and described battery core end V2, charger
The described charging inlet 15 included by mobile terminal can be sequentially passed through and battery core 13 is charged by described auxiliary charging circuit 122.
Another in the implementation case, when need not by certain auxiliary charging circuit 122, battery core 13 be charged, described control
Circuit 11 can export described open command to this auxiliary charging circuit 122；This auxiliary charging circuit 122 is from described second controlled end CTL2
When receiving described open command, disconnect the electrical connection of described charging end V1 and described battery core end V2, i.e. disconnect and auxiliary being filled by this
The charge circuit that battery core 13 is charged by electricity circuit 122, stops being charged battery core 13 by this auxiliary charging circuit 122.
Fig. 4 shows a kind of physical circuit of auxiliary charging circuit 122, for the ease of describing, illustrate only real with the present invention
Execute the part that example is relevant.
Preferably, seeing Fig. 4, described auxiliary charging circuit 122 includes: the first electric capacity C1, the second electric capacity C2, the first resistance
R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the first Schottky diode D1, the second Schottky diode D2,
Three Schottky diode D3, NPN type triode Q1 and switch module；
First end of described first resistance R1, the second end of described switch module, described first electric capacity C1 the first end with
And second end of described first resistance R1 be respectively correspondingly the battery core end V2 of described auxiliary charging circuit 122, charging end V1, first
First end and the second end correspondence respectively of controlled end CTL1 and the second controlled end CTL2, described second resistance R2 connect described first
Second end of resistance R1 and the base stage of described NPN type triode Q1, anode and the negative electrode of described 3rd Schottky diode D3 divide
Connecing emitter stage and the ground of described NPN type triode Q1 the most accordingly, anode and the negative electrode of described first Schottky diode D1 divide
Connect the first end and second end of described first electric capacity C1, described second Schottky diode of described first resistance R1 the most accordingly
First end of D2 and the second end respectively correspondingly connect the second end and first end of described 3rd resistance R3 of described first electric capacity C1,
First end of described second electric capacity C2 and the second end respectively correspondingly meet negative electrode and ground, the institute of described second Schottky diode D2
The first end stating the 4th resistance R4 respectively correspondingly connects the first end and ground, described NPN type triode Q1 of described 3rd resistance R3
Colelctor electrode connect second end of described 3rd resistance R3, the second end of described switch module and controlled end respectively correspondingly connect described
First end of the first resistance R1 and second end of described 3rd resistance R3.
In a particular application, fill instruction soon (there is rising edge when auxiliary charging circuit 122 receives from the first controlled end CTL1
High potential fill instruction soon) time, the controlled end of described switch module also receives the signal of telecommunication of high potential；Then, open described in
Close the second end and the first end electric connection of module, form described charging end V1 and lead to through the electricity of switch module to described battery core end V2
Road, and then, the signal of telecommunication accessed from the charging inlet 15 of mobile terminal can be through the auxiliary charging circuit 122 electricity to mobile terminal
Core 13 is charged；Then, by the first Schottky diode D1, the second Schottky diode D2, the 3rd resistance R3 and the 4th
The bleeder circuit that resistance R4 is formed, is persistently set to high potential by the controlled end of described switch module.
When auxiliary charging circuit 122 receives the open command of the high potential that control circuit 11 exports from the second controlled end CTL2
Time, NPN type triode Q1 turns on, and the controlled end of the most described switch module receives the signal of telecommunication of electronegative potential, disconnects switching molding
Electrical connection between second end and first end of block, thus disconnect the charging end V1 electric pathway to battery core end V2, stop through auxiliary
The charging circuit 122 charging to the battery core 13 of mobile terminal.
It is further preferred that described switch module includes: the first switch chip U1 and second switch chip U2；Described first
The source electrode foot S1 of switch chip U1, second switch chip U2 source electrode foot S2 and second switch chip U2 grid foot G2 respectively
Be the second end of described switch module, the first end and controlled end accordingly, the grid foot G1 of described first switch chip U1 and
Drain electrode foot D1 respectively with the grid foot G2 of described second switch chip U2 and drain that foot D2 is corresponding to connect.
Specifically, when the controlled end of switch module receives the signal of telecommunication of high potential, the grid foot of the first switch chip U1
The grid foot G2 of G1 and second switch chip U2 is also simultaneously received the signal of telecommunication of high potential, and then described first switch chip U1
Source electrode foot S1 with drain electrode foot D1 electrically conduct, the source electrode foot S2 of described second switch chip U2 with drain foot D2 electrically conduct,
And then first the source electrode foot S2 of source electrode foot S1 and second switch chip U2 of switch chip U1 form electric pathway, the of switch module
One end and the second end electric connection.
During on the contrary, the controlled end of switch module receives the signal of telecommunication of electronegative potential, the grid foot of the first switch chip U1
The grid foot G2 of G1 and second switch chip U2 is also simultaneously received the signal of telecommunication of electronegative potential, and then described first switch chip U1
Source electrode foot S1 with drain electrode foot D1 can not electrically conduct, the source electrode foot S2 of described second switch chip U2 with drain electrode foot D2 can not electricity
Property conducting, and then the source electrode foot S2 of the source electrode foot S1 and second switch chip U2 of the first switch chip U1 can not form electric pathway,
Disconnect the first end and the electrical connection of the second end of switch module；Cannot pass through the auxiliary charging circuit 122 battery core 13 to mobile terminal
Charging.
As the embodiment of the present invention one detailed description of the invention, described charging inlet 15 includes: P power line and Q ground wire；
Wherein, described P is more than 1, and described Q is more than 1.
In this detailed description of the invention, the mobile terminal of prior art only has MICRO USB interface, this MICROUSB interface
Only include a power line and a ground wire, therefore be only capable of the battery core 13 of mobile terminal is carried out by this MICRO USB interface
Low current charge (charging current is usually milliampere level)；Relative to existing MICRO USB interface, this detailed description of the invention provides
Mobile terminal, the power line at least two that the charging inlet 15 that it has includes, the charging inlet 15 that it has includes
Ground wire also at least two.So, battery core 13 is filled by the charging inlet 15 provided by this detailed description of the invention at charger
During electricity, charge circuit can be formed through multiple power lines and multiple ground wire, it is possible to be effectively improved through this charging inlet 15 simultaneously
Charging current to battery core 13 charging.
The embodiment of the present invention provides a kind of mobile terminal, and described mobile terminal includes charging inlet 15, described mobile terminal
Also include above-mentioned charging circuit；Described charging circuit connects described charging inlet 15 and battery core 13 respectively.
It should be noted that the charging method that the embodiment of the present invention provides is applicable to the charged electrical that the embodiment of the present invention provides
Road.
Fig. 5 shows the workflow of the charging method that the embodiment of the present invention provides, for the ease of describing, illustrate only with
The part that the embodiment of the present invention is relevant.
The described charging method that the embodiment of the present invention provides, as it is shown in figure 5, described charging method includes step A1, step
A2, step A3 and step A4.
Step A1, described temperature sensing circuit detects the temperature of described battery core, exports described temperature to described control circuit；
Step A2, described control circuit judges whether described temperature is less than the first temperature, if described temperature is less than described
First temperature, then export heating instructions to described heater circuit, if described temperature is greater than or equal to described first temperature, then to
Described fill soon charging circuit output fill instruction soon；
Step A3, described battery core, when receiving described heating instructions, is heated by described heater circuit；
Step A4, described fill soon charging circuit receive described fill instruction soon time, by described charging inlet with first
Described battery core is charged by electric current.
In an embodiment of the embodiment of the present invention, described control circuit judges that whether described temperature is less than the first temperature
Degree, the most described temperature be less than described first temperature, then to described heater circuit output heating instructions the step for particularly as follows:
Described control circuit judges described temperature when described control circuit is powered on by charger by described charging inlet
Whether degree testing circuit output, described battery core temperature is less than described first temperature, if the temperature of described battery core is less than institute
State the first temperature, then export described heating instructions to described heater circuit；
Described heater circuit when receiving described heating instructions, the step for that described battery core being heated particularly as follows:
The electric energy inputted from described charging inlet, when receiving described heating instructions, is converted to heat by described heater circuit
Can be so that described battery core be heated.
In an embodiment of the embodiment of the present invention, described heater circuit includes resistance and/or metal-oxide-semiconductor；
Described heater circuit when receiving described heating instructions, the step for that described battery core being heated particularly as follows:
Described heater circuit is when receiving described heating instructions, by will be from institute to described resistance and/or described metal-oxide-semiconductor
The electric energy stating charging inlet input is converted to heat energy and heats with described battery core.
In an embodiment of the embodiment of the present invention, described charging method also includes:
When the temperature of battery core that described control circuit exports at described temperature sensing circuit, described reaches three temperature, to
The output halt instruction of described heater circuit；
Described heater circuit, when receiving described halt instruction, stops heating described battery core.
Fig. 6 shows a kind of optimized work flow of the charging method that the embodiment of the present invention provides, for the ease of describing, only
Show the part relevant to the embodiment of the present invention.
In an embodiment of the embodiment of the present invention, seeing Fig. 6, described charging method also includes step B1 and step
B2。
Step B1, the temperature of battery core that described control circuit exports at described temperature sensing circuit, described reaches the 3rd temperature
When spending, export halt instruction to described heater circuit；
Step B2, described heater circuit, when receiving described halt instruction, stops heating described battery core.
In an embodiment of the embodiment of the present invention, described charging inlet includes: P power line and Q ground wire；
Wherein, described P is more than 1, and described Q is more than 1.
In an embodiment of the embodiment of the present invention, described first temperature is 10 degrees Celsius；Described first electric current is big
In or equal to the electric current of 3 amperes.
Fig. 7 shows another optimized work flow of the charging method that the embodiment of the present invention provides, for the ease of describing,
Illustrate only the part relevant to the embodiment of the present invention.
In an embodiment of the embodiment of the present invention, see Fig. 7, if described temperature is less than described first temperature
After then to described heater circuit output heating instructions the step for, described charging method also includes step E1, step E2 and step
Rapid E3.
Step E1, described control circuit judges whether described temperature is higher than described second temperature, if described temperature is higher than
Or equal to described second temperature and described temperature less than described first temperature, then fill that charging circuit output is general fills finger soon to described
Order, if described temperature is less than described second temperature, then fills charging circuit output soon stop filling instruction to described；
Step E2, described fill soon charging circuit receive described general fill instruction time, by described charging inlet with second
Described battery core is charged by electric current, and described second electric current is less than described first electric current；
Step E3, the described charging circuit that fills soon, when stopping filling instruction described in receiving, disconnects by described charging inlet pair
The charge circuit of described battery core charging.
As present embodiment one case study on implementation, the described charging circuit that fills soon includes main charging circuit, described charging soon
Circuit also includes one or more auxiliary charging circuit；
Described fill soon charging circuit receive described general fill instruction time by described charging inlet with the second electric current to institute
State the step for that battery core is charged, particularly as follows: described fill soon charging circuit receive described general fill instruction time, be sequentially communicated described
Charging inlet, described main charging circuit and the electric pathway of described battery core, sequentially pass through described charging inlet and described main charged electrical
Described battery core is charged by road with described second electric current；
Described fill soon charging circuit receive described fill instruction soon time by described charging inlet with the first electric current to institute
State the step for that battery core is charged, particularly as follows: described fill soon charging circuit receive described fill instruction soon time, be sequentially communicated described
Charging inlet, described main charging circuit and the electric pathway of described battery core, sequentially pass through described charging inlet and described main charged electrical
Described battery core is charged by road, and also is sequentially communicated described charging inlet, described fills the auxiliary charging circuit and institute specified soon
State the electric pathway of battery core, sequentially pass through described charging inlet and described battery core is filled by the described auxiliary charging circuit specified that fills soon
Electricity, the described auxiliary charging circuit specified that fills soon is one or more.
Those of ordinary skill in the art it is also understood that, it is achieved all or part of step in above-described embodiment method is can
Completing instructing relevant hardware by program, described program can be stored in a computer read/write memory medium
In, described storage medium, including ROM/RAM, disk, CD etc..
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
Substitute or obvious modification without departing from making some equivalents on the premise of present inventive concept, and performance or purposes are identical, all should
It is considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted to.
Claims (17)
1. a charging method, it is characterised in that described charging method includes:
The temperature of temperature sensing circuit detection battery core, exports described temperature to control circuit；
Described control circuit judges whether described temperature is less than the first temperature, if described temperature is less than described first temperature, then
Heating instructions is exported to heater circuit, if described temperature is greater than or equal to described first temperature, then defeated to filling charging circuit soon
Go out and fill instruction soon；
Described battery core, when receiving described heating instructions, is heated by described heater circuit；
Described fill soon charging circuit receive described fill instruction soon time, described battery core is filled with the first electric current by charging inlet
Electricity；
Wherein, described control circuit is additionally operable to: the temperature in described battery core is less than greater than or equal to the second temperature and described temperature
Fill charging circuit output soon general fill instruction to described during described first temperature, with the second electric current, described battery core is charged, described the
Two electric currents are less than described first electric current.
2. charging method as claimed in claim 1, it is characterised in that described control circuit judges whether described temperature is less than the
One temperature is if described temperature is less than described first temperature, then concrete to described heater circuit output heating instructions the step for
For:
Described control circuit judges that when described control circuit is powered on by charger by described charging inlet described temperature is examined
Whether slowdown monitoring circuit output, the temperature of described battery core is less than described first temperature, if the temperature of described battery core is less than described the
One temperature, then export described heating instructions to described heater circuit；
Described heater circuit when receiving described heating instructions, the step for that described battery core being heated particularly as follows:
Described heater circuit when receiving described heating instructions, the electric energy inputted from described charging inlet is converted to heat energy with
Described battery core is heated.
3. charging method as claimed in claim 1, it is characterised in that described heater circuit includes resistance and/or metal-oxide-semiconductor；
Described heater circuit when receiving described heating instructions, the step for that described battery core being heated particularly as follows:
Described heater circuit is when receiving described heating instructions, by filling described resistance and/or described metal-oxide-semiconductor from described
The electric energy of electrical interface input is converted to heat energy to heat described battery core.
4. charging method as claimed in claim 1, it is characterised in that described charging method also includes:
When the temperature of battery core that described control circuit exports at described temperature sensing circuit, described reaches three temperature, to described
Heater circuit output halt instruction；
Described heater circuit, when receiving described halt instruction, stops heating described battery core, and wherein, described 3rd temperature is high
In described first temperature.
5. charging method as claimed in claim 1, it is characterised in that described charging inlet includes: P power line and Q ground
Line；
Wherein, described P is more than 1, and described Q is more than 1.
6. the charging method as described in any one of claim 1 to 5, it is characterised in that if described temperature is less than described
After first temperature is then to described heater circuit output heating instructions the step for, described charging method also includes:
If described temperature is less than described second temperature, then fills charging circuit output soon stop filling instruction to described；
The described charging circuit that fills soon, when stopping filling instruction described in receiving, is disconnected and being charged described battery core by described charging inlet
Charge circuit.
7. charging method as claimed in claim 6, it is characterised in that the described charging circuit that fills soon includes main charging circuit, institute
State and fill charging circuit soon and also include one or more auxiliary charging circuit；
Described fill soon charging circuit receive described general fill instruction time by described charging inlet with the second electric current to described electricity
The step for that core charging, particularly as follows:
Described fill soon charging circuit receive described general fill instruction time, be sequentially communicated described charging inlet, described main charged electrical
Road and the electric pathway of described battery core, sequentially pass through described charging inlet and described main charging circuit with described second electric current to described
Battery core is charged；
Described fill soon charging circuit receive described fill instruction soon time by described charging inlet with the first electric current to described electricity
The step for that core charging, particularly as follows:
Described fill soon charging circuit receive described fill instruction soon time, be sequentially communicated described charging inlet, described main charged electrical
Road and the electric pathway of described battery core, sequentially pass through described charging inlet and described battery core is charged by described main charging circuit, and
Also it is sequentially communicated described charging inlet, described fills the auxiliary charging circuit and the electric pathway of described battery core specified, warp successively soon
Crossing described charging inlet and described battery core is charged by the described auxiliary charging circuit specified that fills soon, described filling soon is specified
Auxiliary charging circuit is one or more.
8. a charging circuit, described charging circuit connects charging inlet；It is characterized in that, described charging circuit includes temperature detection
Circuit, heater circuit, fill charging circuit and control circuit soon；
The described charging circuit that fills soon is connected electrically between described charging inlet and battery core, and described control circuit is filled soon with described respectively
Charging circuit, described temperature sensing circuit and the electrical connection of described heater circuit；
Described temperature sensing circuit, for detecting the temperature of described battery core, exports described temperature to described control circuit；
Described control circuit, for exporting heating instructions when described temperature is less than the first temperature to described heater circuit, also uses
In described temperature greater than or equal to described first temperature time to described fill soon charging circuit output fill instruction soon；
Described heater circuit, for when receiving described heating instructions, heats described battery core；
Described fill charging circuit soon, for receive described fill instruction soon time, by described charging inlet with the first electric current pair
Described battery core is charged；
Wherein, described control circuit is additionally operable to: the temperature in described battery core is less than greater than or equal to the second temperature and described temperature
Fill charging circuit output soon general fill instruction to described during described first temperature, with the second electric current, described battery core is charged, described the
Two electric currents are less than described first electric current.
9. charging circuit as claimed in claim 8, it is characterised in that described heater circuit electrically connects with described charging inlet,
Described control circuit electrically connects with described charging inlet；
Described control circuit, is additionally operable to the judgement when described control circuit is powered on by charger by described charging inlet described
Whether temperature sensing circuit output, described battery core temperature is less than described first temperature, if the temperature of described battery core is less than
Described first temperature, then export described heating instructions to described heater circuit；
Described heater circuit, specifically for when receiving described heating instructions, turns the electric energy inputted from described charging inlet
It is changed to heat energy so that described battery core to be heated.
10. charging circuit as claimed in claim 8, it is characterised in that described heater circuit includes resistance and/or metal-oxide-semiconductor；
Described heater circuit, specifically for when receiving described heating instructions, by described resistance and/or described metal-oxide-semiconductor
The electric energy inputted from described charging inlet is converted to heat energy heat with described battery core.
11. charging circuits as claimed in claim 8, it is characterised in that described control circuit, are additionally operable in described temperature detection
When circuit exports, the temperature of described battery core reaches three temperature, export halt instruction to described heater circuit；
Described heater circuit, is additionally operable to when receiving described halt instruction, stops heating described battery core, wherein, and described the
Three temperature are higher than described first temperature.
12. charging circuits as claimed in claim 8, it is characterised in that described charging inlet includes: P power line and Q ground
Line；
Wherein, described P is more than 1, and described Q is more than 1.
13. charging circuits as claimed in claim 8, it is characterised in that described control circuit is additionally operable to: be less than in described temperature
During described second temperature to described fill soon charging circuit output stop filling instruction；
It is additionally operable to when stopping filling instruction described in receiving, disconnects the charging described battery core charged by described charging inlet and return
Road.
14. charging circuits as claimed in claim 13, it is characterised in that the described charging circuit that fills soon includes main charging circuit,
The described charging circuit that fills soon also includes one or more auxiliary charging circuit；
Described fill charging circuit soon, specifically for receive described general fill instruction time, be sequentially communicated described charging inlet, described
Main charging circuit and the electric pathway of described battery core, sequentially pass through described charging inlet and described main charging circuit with described second electricity
Described battery core is charged by stream；
Described fill charging circuit soon, also particularly useful for receive described fill instruction soon time, be sequentially communicated described charging inlet, institute
State main charging circuit and the electric pathway of described battery core, sequentially pass through described charging inlet and described main charging circuit to described battery core
Charging, and also it is logical to be sequentially communicated described charging inlet, the described electricity filling auxiliary charging circuit and the described battery core specified soon
Road, sequentially passes through described charging inlet and described battery core is charged by the described auxiliary charging circuit specified that fills soon, described fills soon
The auxiliary charging circuit specified is one or more.
15. charging circuits as claimed in claim 14, it is characterised in that described auxiliary charging circuit is charging chip.
16. charging circuits as claimed in claim 14, it is characterised in that described auxiliary charging circuit have the first controlled end,
Two controlled ends, battery core end and charging end, described battery core end electrically connects with described battery core, described charging end and described charging inlet electricity
Connecting, described first controlled end and described second controlled end electrically connect with described control circuit respectively；
Described auxiliary charging circuit, specifically for from described first controlled end receive described fill instruction soon time, turn on described charging
End and described battery core end；
Described auxiliary charging circuit, also particularly useful for when described second controlled end receives described open command, fills described in disconnection
Electricity end and the electrical connection of described battery core end, described open command is exported by described control circuit.
17. 1 kinds of mobile terminals, described mobile terminal includes charging inlet, it is characterised in that described mobile terminal also includes power
Profit requires the charging circuit described in 8 to 16 any one；Described charging circuit connects described charging inlet and battery core respectively.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441450.4A CN104242390B (en) | 2014-09-01 | 2014-09-01 | A kind of charging method, charging circuit and mobile terminal |
| CN201610987693.7A CN106532186B (en) | 2014-09-01 | 2014-09-01 | A kind of charging method, charging circuit and mobile terminal |
| EP15838468.5A EP3188341A4 (en) | 2014-09-01 | 2015-01-09 | Terminal |
| PCT/CN2015/070466 WO2016033927A1 (en) | 2014-09-01 | 2015-01-09 | Terminal |
| CN201580004390.2A CN106063072B (en) | 2014-09-01 | 2015-01-09 | Terminal device |
| US15/444,907 US10826309B2 (en) | 2014-09-01 | 2017-02-28 | Terminal, heating apparatus and charging method for battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441450.4A CN104242390B (en) | 2014-09-01 | 2014-09-01 | A kind of charging method, charging circuit and mobile terminal |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610987693.7A Division CN106532186B (en) | 2014-09-01 | 2014-09-01 | A kind of charging method, charging circuit and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104242390A CN104242390A (en) | 2014-12-24 |
| CN104242390B true CN104242390B (en) | 2016-12-07 |
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ID=52229969
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610987693.7A Expired - Fee Related CN106532186B (en) | 2014-09-01 | 2014-09-01 | A kind of charging method, charging circuit and mobile terminal |
| CN201410441450.4A Active CN104242390B (en) | 2014-09-01 | 2014-09-01 | A kind of charging method, charging circuit and mobile terminal |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610987693.7A Expired - Fee Related CN106532186B (en) | 2014-09-01 | 2014-09-01 | A kind of charging method, charging circuit and mobile terminal |
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| Country | Link |
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| CN (2) | CN106532186B (en) |
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| CN106063072B (en) * | 2014-09-01 | 2022-03-01 | Oppo广东移动通信有限公司 | Terminal device |
| CN106025440A (en) * | 2016-05-26 | 2016-10-12 | 维沃移动通信有限公司 | Heating control circuit, control method and mobile terminal |
| EP3478101B1 (en) | 2016-06-29 | 2021-03-17 | Philip Morris Products S.a.s. | Battery powered aerosol-generating device comprising a temperature dependent battery pre-heating |
| CN106356913A (en) * | 2016-08-26 | 2017-01-25 | 珠海市魅族科技有限公司 | Electronic equipment charging control method and device |
| CN106130141A (en) * | 2016-08-26 | 2016-11-16 | 珠海市魅族科技有限公司 | A kind of charge control method, charging system and electronic equipment |
| CN106410917B (en) * | 2016-11-15 | 2019-05-03 | Oppo广东移动通信有限公司 | Charging system and mobile terminal |
| CN106785235B (en) * | 2017-02-10 | 2019-08-16 | 山东谦恒电子科技有限公司 | Battery pack heating means and system |
| CN106965700A (en) * | 2017-04-28 | 2017-07-21 | 北京新能源汽车股份有限公司 | A kind of electric automobile heating charging circuit and charging method |
| CN109830782B (en) * | 2017-11-23 | 2021-06-01 | 郑州深澜动力科技有限公司 | Battery driving heating control method for electric automobile |
| CN107994637A (en) * | 2017-12-12 | 2018-05-04 | 南京中感微电子有限公司 | A kind of battery low temperature charging control circuit |
| CN108110824A (en) * | 2017-12-12 | 2018-06-01 | 南京中感微电子有限公司 | A kind of battery low temperature charging control circuit |
| CN108075548B (en) * | 2018-01-10 | 2022-04-22 | 上海展扬通信技术有限公司 | Charging control method, mobile terminal and computer readable storage medium |
| CN109066834A (en) * | 2018-07-12 | 2018-12-21 | 奇酷互联网络科技（深圳）有限公司 | Mobile terminal and mobile terminal charging method and device |
| CN109038758A (en) * | 2018-09-05 | 2018-12-18 | 广东小天才科技有限公司 | A kind of smartwatch and its charging unit |
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| CN101102054B (en) * | 2006-07-04 | 2012-09-05 | 坎培诺洛有限公司 | Method for controlling and system for charging a battery power supply unit |
| CN103855444A (en) * | 2012-12-06 | 2014-06-11 | 北汽福田汽车股份有限公司 | Heating system of electric car battery pack and electric car |
| CN203134926U (en) * | 2013-01-31 | 2013-08-14 | 广东欧珀移动通信有限公司 | Electronic device and lithium battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106532186A (en) | 2017-03-22 |
| CN106532186B (en) | 2019-10-22 |
| CN104242390A (en) | 2014-12-24 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. Address before: Changan town in Guangdong province Dongguan 523841 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. |