CN106532186B - 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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- CN106532186B CN106532186B CN201610987693.7A CN201610987693A CN106532186B CN 106532186 B CN106532186 B CN 106532186B CN 201610987693 A CN201610987693 A CN 201610987693A CN 106532186 B CN106532186 B CN 106532186B
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- charging
- temperature
- circuit
- battery core
- fast charge
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- 230000037361 pathway Effects 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 18
- 239000004065 semiconductor Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims 1
- 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
- 239000003990 capacitor Substances 0.000 description 6
- 238000010295 mobile communication Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 4
- 238000011897 real-time detection Methods 0.000 description 4
- 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
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
- 230000010259 detection of temperature stimulus Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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—
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Automation & Control Theory (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention is suitable for field of mobile terminals, provides a kind of charging method, charging circuit and mobile terminal.Temperature sensing circuit detects the temperature of the battery core, exports the temperature to control circuit；The control circuit judges whether the temperature is lower than the first temperature, if the temperature is lower than first temperature, exports heating instructions to heater circuit, if the temperature is greater than or equal to first temperature, to the output fast charge instruction of fast charge charging circuit；The heater circuit heats the battery core when receiving the heating instructions；The fast charge charging circuit charges to the battery core with the first electric current by the charging interface when receiving fast charge instruction.Even if battery core of the invention is in the external environment of low temperature, the surface temperature for guaranteeing battery core by heater circuit is remained to, realizes the large current charge to battery core, saves the charging time.
Description
Technical field
The invention belongs to field of mobile terminals more particularly to a kind of charging methods, charging circuit and mobile terminal.
Background technique
Mobile terminal is called and does mobile communication terminal, refers to the electronic equipment that can be used on the move, including mobile phone, pen
Remember sheet, tablet computer, POS machine, IPAD, the even electronic equipments such as vehicle-mounted computer.Existing third party has been directed to mobile terminal exploitation
A large amount of application program out enriches the function of mobile terminal.Mobile terminal with abundant function, be increasingly becoming people with
Body belongings.
As the frequency of use of mobile terminal gradually increases, but the electricity that battery core can store is limited, it is therefore desirable to be passed through
Often charging.Existing mobile terminal generallys use MICRO USB interface (only including a power supply line and a ground wire) to movement
The battery core of terminal charges, and is only capable of supporting 3A charging current below, charging rate is slow, wastes time.At the same time, if you need to shifting
The battery core charging of dynamic terminal, (temperature range is usual are as follows: 0 degree Celsius Celsius to 45 necessarily at certain temperature range for the battery core
Degree) in could normally to battery core charge, if the environment temperature of battery core local environment be lower than 0 degree Celsius, will be unable to battery core
It charges.
Summary of the invention
The purpose of the present invention is to provide a kind of charging method, charging circuit and mobile terminals, and battery core is kept to be higher than first
Temperature simultaneously carries out large current charge to battery core with the first electric current.
In a first aspect, the present invention provides a kind of charging method, the charging method includes:
Temperature sensing circuit detects the temperature of the battery core, exports the temperature to control circuit；
The control circuit judges whether the temperature is lower than the first temperature, if the temperature is lower than first temperature
Degree then exports heating instructions to heater circuit, if the temperature is greater than or equal to first temperature, charges to fast charge electric
Road exports fast charge instruction；
The heater circuit heats the battery core when receiving the heating instructions；
The fast charge charging circuit is when receiving fast charge instruction, by the charging interface with the first electric current to institute
State battery core charging.
Second aspect, the present invention provide a kind of charging circuit, and the charging circuit connects charging interface；The charging circuit packet
Include temperature sensing circuit, heater circuit, fast charge charging circuit and control circuit；
The fast charge charging circuit is connected electrically between the charging interface and battery core, the control circuit respectively with it is described
Fast charge charging circuit, the temperature sensing circuit and heater circuit electrical connection；
The temperature sensing circuit, for detecting the temperature of the battery core, Xiang Suoshu control circuit exports the temperature；
The control circuit, for exporting heating instructions to the heater circuit when the temperature is lower than the first temperature,
It is also used to when the temperature is greater than or equal to first temperature to fast charge charging circuit output fast charge instruction；
The heater circuit, for being heated to the battery core when receiving the heating instructions；
The fast charge charging circuit, for receive the fast charge instruction when, by the charging interface with first electricity
Stream charges to the battery core.
The third aspect, the present invention provide a kind of mobile terminal, and the mobile terminal includes charging interface, the mobile terminal
It further include above-mentioned charging circuit；The charging circuit connects the charging interface and battery core respectively.
Beneficial effects of the present invention: during battery core of the charging equipment to mobile terminal charges, control circuit is real-time
The temperature that the battery core is detected by the temperature sensing circuit (carries out battery core in the temperature detected lower than the first temperature
Minimum temperature necessary to large current charge) when, control heater circuit heats battery core；When the temperature detected reaches at or above
When the first temperature, within the temperature range of can charge normal to battery core, charging equipment is with the first electric current to the electricity of mobile terminal
Core carries out large current charge.Even if battery core of the invention is in the external environment of low temperature, remain to guarantee battery core by heater circuit
Surface temperature, realize to the large current charge of battery core, save the charging time.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structure composed figure of charging circuit provided in an embodiment of the present invention；
Fig. 2 is a kind of optimization structure composed figure of charging circuit provided in an embodiment of the present invention；
Fig. 3 is a kind of optimization structure composed figure of charging circuit provided in an embodiment of the present invention；
Fig. 4 is a kind of physical circuit figure of auxiliary charging circuit 122；
Fig. 5 is the work flow diagram of charging method provided in an embodiment of the present invention；
Fig. 6 is a kind of optimized work flow chart of charging method provided in an embodiment of the present invention；
Fig. 7 is another optimized work flow chart of charging method provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Mobile terminal described in the embodiment of the present invention can access mobile communications network and/or Ethernet.Mobile terminal can lead to
It crosses mobile communications network to carry out dialing/receiving telephone, send the mobile communication such as short message, the mobile communications network includes but unlimited
In: GSM network, 2G network, 3G network, 4G network, LET network, WCDMA network, TD-CDMA network etc..It is described mobile whole
End can also carry out data upload or downloading, such as downloading application program by mobile communications network and/or Ethernet.
Charging equipment described in the embodiment of the present invention can be electronic equipment, can also be charging adapter.
For charging equipment provided in an embodiment of the present invention, when the charging equipment is connect with mobile terminal, which is set
The standby mutual transmission that data can be carried out with mobile terminal；At the same time, when the charging equipment is connect with mobile terminal, in battery core
Temperature when being higher than second temperature, which charges to the battery core of mobile terminal.
It should be noted that for the connection type of the charging equipment and the mobile terminal, the embodiment of the present invention without limitation,
Including wireless connection and wired connection.The mobile terminal includes charging interface and control circuit.
If the charging equipment and the mobile terminal are wirelessly connected, the charging interface of mobile terminal is coupled to receive the charging
The wireless signal that equipment is sent to the mobile terminal is coupled out electric signal from the wireless signal；The charging equipment is to couple
Electric signal out charges to battery core；In addition, the charging equipment can also be communicated with the mobile terminal, moved in communication process
The control circuit of terminal demodulates data from the electric signal.
If the charging equipment and the mobile terminal wired connection (such as: the charging interface of the charging equipment and the movement
The charging interface grafting of terminal), the control circuit of mobile terminal can carry out data biography by the charging interface and the charging equipment
It is defeated；In addition when the temperature of battery core is higher than the second temperature, which can charge to battery core；In addition, the charging is set
It is standby also directly to power to the control circuit, such as when the not enough power supply of the battery core of mobile terminal for control circuit to power,
When the charging interface grafting of the charging interface of the charging equipment and the mobile terminal, which is filled by mobile terminal
Electrical interface directly powers to the control circuit, and control circuit works on power.
Due to that whether can charge to battery core, charged with how much current to battery core, it is all related with the temperature of battery core, such as with
The surface temperature of battery core is related.It is to improve charge efficiency for the embodiment of the present invention, when the temperature of battery core is lower than the first temperature
Battery core is heated, so that the temperature of battery core is increased to the state greater than first temperature, is higher than first temperature in the temperature of battery core
When spending, battery core can support large current charge；In this way, the embodiment of the present invention is when the temperature of battery core is higher than first temperature, with the
One electric current carries out large current charge to the battery core.Accordingly, the embodiment of the present invention give to battery core heat and to battery core into
The structure composed of row large current charge, referring to Fig. 1；Fig. 1 shows the structure composed of charging circuit provided in an embodiment of the present invention,
For ease of description, only the parts related to the embodiment of the present invention are shown.
Referring to Fig. 1, charging circuit provided in an embodiment of the present invention, the charging circuit connects charging interface 15；In battery core 13
In the state of engaging with battery core slot, the fast charge charging circuit 12 is connected electrically between the charging interface 15 and battery core 13.This
Sample, charging interface 15 and the fast charge charging circuit 12 that charging equipment can successively include by mobile terminal are to the battery core 13
Charging.
Referring to Fig. 1, the charging circuit includes temperature sensing circuit 14, heater circuit 16, fast charge charging circuit 12 and control
Circuit 11 processed, the control circuit 11 respectively with the fast charge charging circuit 12, the temperature sensing circuit 14 and the heating
Circuit 16 is electrically connected.
Referring to Fig. 1, for the temperature sensing circuit 14 that the charging circuit includes, the temperature sensing circuit 14 is used for:
The temperature of the battery core 13 is detected, Xiang Suoshu control circuit 11 exports the temperature.
In embodiments of the present invention, the temperature of battery core 13 described in 14 real-time detection of temperature sensing circuit, and will test
To temperature exported in real time to the control circuit 11.It should be noted that the embodiment of the present invention is to the temperature sensing circuit 14
Particular circuit configurations, it is not limited here, as long as the temperature sensing circuit 14 is capable of battery core 13 described in real-time detection
Temperature.
As one specific embodiment of the embodiment of the present invention, the temperature sensing circuit 14 includes temperature sensor, the temperature
The surface that sensor is set to the battery core 13 is spent, the temperature sensing circuit 14 passes through electricity described in the temperature sensor real-time detection
The temperature of core 13.
As one specific embodiment of the embodiment of the present invention, the temperature sensing circuit 14 include thermistor (such as just
Temperature coefficient thermistor device (PTC), then such as negative temperature coefficient thermistor (NTC)), which is set to the electricity
The surface of core 13, the temperature that the temperature sensing circuit 14 passes through battery core 13 described in the thermistor real-time detection.
Referring to Fig. 1, for the control circuit 11 that the charging circuit includes, the control circuit 11 is used for: in the temperature
Heating instructions are exported to the heater circuit 16 when degree is lower than the first temperature, are also used to be greater than or equal to described the in the temperature
To the fast charge charging circuit 12 output fast charge instruction when one temperature.
In embodiments of the present invention, after the control circuit 11 works on power, temperature sensing circuit 14 described in real-time reception
The temperature (temperature are as follows: the temperature sensing circuit 14 detects temperature detected when the temperature of the battery core 13) of output.
In turn, if the charging interface 15 of charging equipment and mobile terminal connects, the control circuit 11 judges the temperature detection electricity
Whether the temperature that road 14 exports is higher than first temperature.
If the temperature that the temperature sensing circuit 14 exports is greater than or equal to first temperature, the control circuit 11
The fast charge instruction is exported to the fast charge charging circuit 12, so that the fast charge charging circuit 12 passes through the charging interface 15
It is charged with the first electric current to the battery core 13.
If the temperature that the temperature sensing circuit 14 exports, which is higher than, is lower than first temperature, Xiang Suoshu heater circuit 16
Heating instructions are exported, so that the heater circuit 16 immediately heats the battery core 13；Until the temperature of battery core 13 reaches described
The control circuit 11 exports the fast charge instruction to the fast charge charging circuit 12 when the first temperature.
As one embodiment of the embodiment of the present invention, the control circuit 11 by with data-handling capacity controller and
Its peripheral circuit composition.
As one embodiment of the embodiment of the present invention, first temperature is 10 degrees Celsius；First electric current be greater than
Or the electric current equal to 3 amperes.
Referring to Fig. 1, for the heater circuit 16 that the charging circuit includes, the heater circuit 16 is used for: being received
When the heating instructions, the battery core 13 is heated.In embodiments of the present invention, to the heater circuit 16 included it is specific
Circuit, it is not limited here, as long as can be heated by the heater circuit 16 to battery core 13.
In one specific embodiment of the embodiment of the present invention, the heater circuit 16 includes resistance and/or metal-oxide-semiconductor；
The heater circuit 16, specifically for when receiving the heating instructions, by the resistance and/or described
The electric energy inputted from the charging interface 15 is converted to thermal energy and is heated with the battery core 13 by metal-oxide-semiconductor.
In this embodiment, if the heater circuit 16 includes resistance, the resistance be attached at it is described
The surface of battery core 13, the heater circuit 16 is powered to the resistance when receiving the heating instructions, and the resistance will
Electric energy is converted to thermal energy, is heated by the thermal energy converted out to the battery core 13, to promote the temperature of the battery core 13.
In this embodiment, if the heater circuit 16 includes metal-oxide-semiconductor, the metal-oxide-semiconductor is to be attached at institute
The surface of battery core 13 is stated, the heater circuit 16 is powered to the metal-oxide-semiconductor when receiving the heating instructions, the MOS
Pipe converts electrical energy into thermal energy, is heated by the thermal energy converted out to the battery core 13, to promote the temperature of the battery core 13.
As a concrete case of specific embodiment, the resistance and/or the metal-oxide-semiconductor are built in heating film,
The heating film is attached at the surface of the battery core 13 by heat-conducting glue, particularly for the surface for being attached at the battery core 13 which
Specific location, it is not limited here；Preferably, the electricity is attached at by canoe or in a manner of package by the heating film
13 main body of core.Preferably, the heating film is made of heat conductive silica gel.
Referring to Fig. 1, for the fast charge charging circuit 12 that the charging circuit includes, the fast charge charging circuit 12 is used for:
When receiving fast charge instruction, charged with the first electric current to the battery core 13 by the charging interface 15.
In embodiments of the present invention, the fast charge charging circuit 12 supports fast charge mode, but the fast charge charging circuit 12
Whether enter fast charge mode, is determined by the control circuit 11.
When the fast charge charging circuit 12 receives the fast charge instruction that the control circuit 11 exports, into the fast mold filling
Formula；Charging equipment successively passes through the charging interface 15 that mobile terminal includes and the fast charge charging circuit 12, with described
One electric current (such as: greater than or electric current) equal to 3 amperes charges to the battery core 13.
Fig. 2 shows a kind of optimization structure composeds of charging circuit provided in an embodiment of the present invention, for ease of description, only
Show part related to the embodiment of the present invention.
In one embodiment of the embodiment of the present invention, referring to fig. 2, the heater circuit 16 is electrically connected with the charging interface 15
It connects, the control circuit 11 is electrically connected with the charging interface 15.In this way, charging equipment can pass through the charging interface of mobile terminal
15 directly power to the control circuit 11.Electric energy needed for the heater circuit 16 can pass through the charging interface of mobile terminal
15 directly obtain from charging equipment.
Referring to fig. 2, for control circuit 11 described in present embodiment, the control circuit 11 is also used to: being set in charging
The standby output of temperature sensing circuit 14 is judged when powering on by the charging interface 15 to the control circuit 11, electricity
Whether the temperature of core 13 is lower than first temperature, if the temperature of the battery core 13 is lower than first temperature, Xiang Suoshu
Heater circuit 16 exports the heating instructions.
In the present embodiment, the battery core 13 of mobile terminal needs to charge, and the not enough power supply of the battery core 13 is to drive control
Circuit 11 processed works on power.When charging equipment connect with the mobile terminal (such as: the charging interface of the charging equipment and the shifting
15 grafting of charging interface of dynamic terminal) when, charging equipment powers to control circuit 11 by the charging interface 15 of mobile terminal, should
Control circuit 11 works on power；The control circuit 11 to work on power, the temperature that real-time reception is exported from the temperature sensing circuit 14
It spends (temperature sensing circuit 14 detects the temperature detected when the temperature of the battery core 13), judges the temperature sensing circuit
Whether the temperature of 14 outputs is lower than first temperature, if the temperature of the battery core 13 is lower than first temperature, to institute
It states heater circuit 16 and exports the heating instructions；If the temperature of the battery core 13 is greater than or equal to first temperature, to
The fast charge charging circuit 12 exports fast charge instruction, and the fast charge charging circuit 12 is by the charging interface 15 with first
Electric current charges to the battery core 13.
Referring to fig. 2, for heater circuit 16 described in present embodiment, the heater circuit 16 is specifically used for: receiving
When to the heating instructions, the electric energy inputted from the charging interface 15 is converted into thermal energy to heat to the battery core 13.
In the present embodiment, since the charging interface 15 that the mobile terminal includes has been electrically connected with heater circuit 16,
The heater circuit 16 directly can receive electric signal, the electric energy which is loaded with from charging equipment by the charging interface 15
Thermal energy is converted to, the battery core 13 is heated by the thermal energy converted out.
In the control circuit 11 that one specific embodiment of the embodiment of the present invention, present embodiment provide, it is also used to
When the temperature of the battery core 13 that the temperature sensing circuit 14 exports, described reaches third temperature, Xiang Suoshu heater circuit 16 is exported
Halt instruction；The third temperature is higher than first temperature.
The heater circuit 16 that present embodiment provides, is also used to when receiving the halt instruction, stops to institute
State the heating of battery core 13.
In this embodiment, the control circuit 11 is received from the temperature sensing circuit 14 in real time
Temperature (temperature sensing circuit 14 detects the temperature detected when the temperature of the battery core 13), not only judges that the temperature is
It is no to be lower than first temperature, also judge whether the temperature is higher than the third temperature, if the temperature is higher than described the
Three temperature, the temperature for representing battery core 13 is excessively high, cannot normally charge to battery core 13, the control circuit 11 is in time to the heating
Circuit 16 exports the halt instruction；In turn, the heater circuit 16 stops when receiving the halt instruction to battery core 13
Heating.
As a case study on implementation of present embodiment, the third temperature is set as 45 degrees Celsius.
Control circuit 11 described in present embodiment is also used to as one embodiment of the embodiment of the present invention: in institute
Temperature is stated greater than or equal to the second temperature and when the temperature is lower than first temperature to the fast charge charging circuit 12
Export it is general fill instruction, the temperature be lower than the second temperature when to the fast charge charging circuit 12 output stop filling instruction.?
In present embodiment, the second temperature is lower than first temperature；It is several when the temperature of battery core 13 is lower than the second temperature
It cannot charge to battery core 13, or be only capable of charging to battery core 13 with Weak current.
In the present embodiment, the temperature of the output of temperature sensing circuit 14 described in 11 real-time reception of control circuit (should
Temperature are as follows: the temperature sensing circuit 14 detects temperature detected when the temperature of the battery core 13), judge that the temperature is
It is no to be lower than first temperature, also judge whether the temperature is lower than the second temperature；If the temperature is greater than or equal to
The second temperature and the temperature are lower than first temperature, and the temperature for representing battery core 13 is not suitable for large current charge (example
Such as, be not suitable for charging to battery core 13 with the first electric current), then it is exported to the fast charge charging circuit 12 and general fills instruction；If described
Temperature is lower than the second temperature, and the temperature for representing battery core 13 is too low, can not charge to battery core 13, then charges to the fast charge electric
The output of road 12 stops filling instruction.
As a case study on implementation of present embodiment, first temperature be from 0 degree Celsius to 10 degree Celsius basis
A determining or artificially determining temperature value of experimental data.
For fast charge charging circuit 12 described in present embodiment, be also used to: receive it is described it is general fill instruction when,
It is charged with the second electric current to the battery core 13 by the charging interface 15, second electric current is less than first electric current；Also
For receive it is described stop filling instruction when, disconnect the charge circuit to charge by the charging interface 15 to the battery core 13.
In the present embodiment, if the fast charge charging circuit 12 receive it is described it is general fill instruction, charging equipment is successively
When charging interface 15 and fast charge charging circuit 12 by mobile terminal charge to battery core 13, the fast charge charging circuit 12 is only propped up
It holds and is charged with second electric current to battery core 13.
Case is embodied as present embodiment one, second electric current is less than the current value of first electric current.
Preferably, second electric current is electric current lower than 3 amperes or even second electric current is the electric current of micromicroampere grade.
Fig. 3 shows a kind of optimization structure composed of charging circuit provided in an embodiment of the present invention, for ease of description, only
Show part related to the embodiment of the present invention.
As one embodiment of the embodiment of the present invention, fast charge charging circuit 12 described in present embodiment is wrapped referring to Fig. 3
Include main charging circuit 121；The fast charge charging circuit 12 further includes one or more auxiliary charging circuits 122.
In the present embodiment, as long as needing to charge to the battery core 13 of mobile terminal, charging equipment all can be by mobile whole
The charging interface 15 and main charging circuit 121 at end charge to battery core 13.It is described if necessary to carry out large current charge to battery core 13
Fast charge charging circuit 12 is instructed and (is instructed by the fast charge that control circuit 11 exports) according to fast charge, is connected to the charging interface 15 and institute
The specified auxiliary charging circuit 122 of fast charge instruction is stated to the charging path of battery core 13；If the specified auxiliary charging of the fast charge instruction
Circuit 122 be it is multiple, successively pass through the charging interface 15 that mobile terminal includes in charging equipment and the fast charge refer to
When fixed auxiliary charging circuit 122 charges to the battery core 13, the specified multiple auxiliary charging circuits 122 of the fast charge instruction are in parallel
, multiple auxiliary charging circuits 122 mode in parallel can effectively improve the charging current to battery core 13 when charging to battery core 13.
It is worth noting that charging equipment is by the charging interface 15 and main charging circuit 121 of mobile terminal to battery core 13
When charging, the charging current of control circuit 11 is adjustable rectified main charging circuit 121.In addition, the also controllable master of control circuit 11
The on or off of charging circuit 121, the charge circuit to be charged by main charging circuit 121 to battery core 13 on or off.
Referring to Fig. 3, the fast charge charging circuit 12, specifically for receive it is described it is general fill instruction when, be sequentially communicated institute
The electric pathway of charging interface 15, the main charging circuit 121 and the battery core 13 is stated, the charging interface 15 and institute are successively passed through
Main charging circuit 121 is stated to charge to the battery core 13 with second electric current.
In the present embodiment, the fast charge charging circuit 12 has general mold filling formula and fast charge mode；When the fast charge is filled
Circuit 12 receives the described general when filling instruction of the output of control circuit 11, into general mode, only passes through main charging circuit 121
It charges to battery core 13.
Specifically, the fast charge charging circuit 12 receives the described general when filling instruction of the output of control circuit 11, is connected to institute
The electric pathway of charging interface 15, the main charging circuit 121 and the battery core 13 is stated, charging equipment passes sequentially through mobile terminal packet
The charging interface 15 and the main charging circuit 121 included charges to battery core 13, and the charging current to charge to battery core 13 is institute
State the second electric current.
Referring to Fig. 3, the fast charge charging circuit 12 is sequentially communicated also particularly useful for when receiving fast charge instruction
The electric pathway of the charging interface 15, the main charging circuit 121 and the battery core 13 successively passes through 15 He of charging interface
The main charging circuit 121 charges to the battery core 13, and be also sequentially communicated the charging interface 15, the fast charge refers to
The electric pathway of fixed auxiliary charging circuit 122 and the battery core 13 successively refers to by the charging interface 15 and the fast charge
Fixed auxiliary charging circuit 122 charges to the battery core 13, and the specified auxiliary charging circuit 122 of the fast charge instruction is one or more
It is a.
In the present embodiment, when the fast charge charging circuit 12 receives the fast charge instruction of the output of control circuit 11
When, it into fast charge mode, charges not only through main charging circuit 121 to battery core 13, while also being instructed by the fast charge specified
Auxiliary charging circuit 122 to battery core 13 charge.
Specifically, when the fast charge charging circuit 12 receives the fast charge instruction of the output of control circuit 11, it is connected to institute
The electric pathway of charging interface 15, the main charging circuit 121 and the battery core 13 is stated, charging equipment passes sequentially through mobile terminal packet
The charging interface 15 and the main charging circuit 121 included charges to battery core 13；At the same time, it is connected to the charging interface
15, the electric pathway of the fast charge instruction specified auxiliary charging circuit 122 and the battery core 13, charging equipment passes sequentially through mobile whole
The specified auxiliary charging circuit 122 of the charging interface 15 and fast charge instruction that end includes charges to battery core 13；It is worth explanation
, the specified auxiliary charging circuit 122 of fast charge instruction be it is multiple, it is specified in the charging interface 15, fast charge instruction
Auxiliary charging circuit 122 and the electric pathway that is formed of the battery core 13 in, the specified multiple auxiliary charging circuits 122 of fast charge instruction
It is in parallel, in this way, the mode of 122 parallel connection of multiple auxiliary charging circuits can effectively improve the charging current to battery core 13.
As one case study on implementation of present embodiment, the auxiliary charging circuit 122 is charging chip.
In the implementation case, control circuit 11 be can control charging chip (auxiliary charging circuit 122), be filled described in adjustment process
The charging current that electrical chip charges to battery core.The on or off of the also controllable charging chip of control circuit 11, to be connected or close
The open close charge circuit for overcharging electrical chip (auxiliary charging circuit 122) and charging to battery core.
Preferably, the main charging circuit 121 is also charging chip.
As one case study on implementation of present embodiment, the auxiliary charging circuit 122 has the first controlled end CTL1, second controlled
End CTL2, battery core end V2 and charging end V1, the battery core end V2 are electrically connected with the battery core 13, and the charging end V1 is filled with described
Electrical interface 15 is electrically connected, and the first controlled end CTL1 and the second controlled end CTL2 are electrically connected with the control circuit 11 respectively
It connects；
The auxiliary charging circuit 122 is led when instructing specifically for receiving the fast charge from the first controlled end CTL1
Lead to the charging end V1 and the battery core end V2；
The auxiliary charging circuit 122, when also particularly useful for receiving the open command from the second controlled end CTL2,
Being electrically connected for the charging end V1 and the battery core end V2 is disconnected, the open command is exported by the control circuit 11.
In the implementation case, control circuit 11 is instructed to the fast charge charging circuit 12 output fast charge, specifically: control
The one or more auxiliary charging circuits 122 of the meeting of circuit 11 send the fast charge instruction, receive auxiliary the filling of the fast charge instruction
Circuit 122 is the specified auxiliary charging circuit 122 of fast charge instruction.
Specifically, auxiliary charging circuit 122 each of specified for fast charge instruction, the auxiliary charging circuit 122 is from institute
State the first controlled end CTL1 receive the fast charge instruction when, the charging end V1 and the battery core end V2, charging equipment is connected
It can successively the charging interface 15 by including by mobile terminal and the auxiliary charging circuit 122 charge to battery core 13.
Separately in the implementation case, when not needing to charge to battery core 13 by some auxiliary charging circuit 122, the control
Circuit 11 can export the open command to the auxiliary charging circuit 122；The auxiliary charging circuit 122 is from the second controlled end CTL2
When receiving the open command, being electrically connected for the charging end V1 and the battery core end V2 is disconnected, that is, disconnects and auxiliary being filled by this
The charge circuit that circuit 122 charges to battery core 13 stops charging to battery core 13 by the auxiliary charging circuit 122.
Fig. 4 shows a kind of physical circuit of auxiliary charging circuit 122, for ease of description, illustrates only and present invention reality
Apply the relevant part of example.
Preferably, referring to fig. 4, the auxiliary charging circuit 122 includes: first capacitor C1, the second capacitor C2, first resistor
R1, second resistance R2,3rd resistor 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；
The first end of the first resistor R1, the second end of the switch module, the first end of the first capacitor C1 with
And the second end of the first resistor R1 is respectively correspondingly battery core end V2, the charging end V1, first of the auxiliary charging circuit 122
Controlled end CTL1 and the second controlled end CTL2, the first end and second end of the second resistance R2, which respectively corresponds, connects described first
The base stage of the second end of resistance R1 and the NPN type triode Q1, the anode and cathode point of the third Schottky diode D3
The emitter and ground of the NPN type triode Q1, the anode and cathode point of the first Schottky diode D1 are not connect accordingly
The first end of the first resistor R1 and the second end of the first capacitor C1, second Schottky diode are not connect accordingly
The first end and second end of D2 respectively correspondingly connects the second end of the first capacitor C1 and the first end of the 3rd resistor R3,
The first end and second end of the second capacitor C2 respectively correspondingly meets the cathode and ground of the second Schottky diode D2, institute
The first end for stating the 4th resistance R4 respectively correspondingly meets the first end and ground of the 3rd resistor R3, the NPN type triode Q1
Collector connect the second end of the 3rd resistor R3, the second end and controlled end of the switch module respectively correspondingly connect described
The second end of the first end of first resistor R1 and the 3rd resistor R3.
In a particular application, (there is rising edge when auxiliary charging circuit 122 receives fast charge instruction from the first controlled end CTL1
High potential fast charge instruction) when, the controlled end of the switch module also receives the electric signal of high potential；Then, described to open
The second end for closing module is electrically connected with first end, and it is logical by the electricity of switch module to the battery core end V2 to form the charging end V1
Road, in turn, the electric signal accessed from the charging interface 15 of mobile terminal can be by auxiliary charging circuits 122 to the electricity of mobile terminal
Core 13 charges；Then, pass through the first Schottky diode D1, the second Schottky diode D2,3rd resistor R3 and the 4th
The bleeder circuit that resistance R4 is formed continues the controlled end of the switch module being set to high potential.
When auxiliary charging circuit 122 from the second controlled end CTL2 receive control circuit 11 export high potential open command
When, NPN type triode Q1 conducting, then the controlled end of the switch module receives the electric signal of low potential, disconnects switching molding
Being electrically connected between the second end of block and first end stops to disconnect the electric pathway of charging end V1 to battery core end V2 by auxiliary
Charging of the charging circuit 122 to the battery core 13 of mobile terminal.
It is further preferred that the switch module includes: first switch chip U1 and second switch chip U2；Described first
The grid foot G2 of the source electrode foot S1 of switch chip U1, the source electrode foot S2 of second switch chip U2 and second switch chip U2 distinguish
Accordingly be the switch module second end, first end and controlled end, the grid foot G1 of the first switch chip U1 and
Drain electrode foot D1 respectively with the grid foot G2 of the second switch chip U2 and drain that foot D2 is corresponding connects.
Specifically, when the controlled end of switch module receives the electric signal of high potential, the grid foot of first switch chip U1
The grid foot G2 of G1 and second switch chip U2 also receives the electric signal of high potential, and then the first switch chip U1 simultaneously
Source electrode foot S1 and drain electrode foot D1 electrically conduct, the source electrode foot S2 of the second switch chip U2 electrically conducts with the foot D2 that drains,
And then the source electrode foot S2 formation electric pathway of the source electrode foot S1 and second switch chip U2 of first switch chip U1, the of switch module
One end and second end are electrically connected.
On the contrary, when the controlled end of switch module receives the electric signal of low potential, the grid foot of first switch chip U1
The grid foot G2 of G1 and second switch chip U2 also receives the electric signal of low potential, and then the first switch chip U1 simultaneously
Source electrode foot S1 and drain electrode foot D1 cannot electrically conduct, the source electrode foot S2 of the second switch chip U2 and drain electrode foot D2 cannot electricity
Property conducting, and then the source electrode foot S2 of the source electrode foot S1 of first switch chip U1 and second switch chip U2 cannot form electric pathway,
Disconnect the electrical connection of the first end and second end of switch module；Auxiliary charging circuit 122 be cannot pass through to the battery core 13 of mobile terminal
Charging.
As one specific embodiment of the embodiment of the present invention, the charging interface 15 includes: P power supply line and Q ground wire；
Wherein, the P is greater than 1, and the Q is greater than 1.
In present embodiment, the mobile terminal of the prior art only has MICRO USB interface, the MICROUSB interface
Only include a power supply line and a ground wire, therefore is only capable of carrying out the battery core 13 of mobile terminal by the MICRO USB interface
Low current charge (charging current is usually milliampere grade)；Relative to existing MICRO USB interface, present embodiment is provided
Mobile terminal, the power supply line at least two that the charging interface 15 having includes, the charging interface 15 having includes
Ground wire also at least two.In this way, being filled in the charging interface 15 that charging equipment is provided by present embodiment to battery core 13
When electric, charge circuit can be formed by multiple power supply lines and multiple ground wires simultaneously, can effectively improved by the charging interface 15
The charging current to charge to battery core 13.
The embodiment of the present invention provides a kind of mobile terminal, and the mobile terminal includes charging interface 15, the mobile terminal
It further include above-mentioned charging circuit；The charging circuit connects the charging interface 15 and battery core 13 respectively.
It should be noted that charging method provided in an embodiment of the present invention is suitable for charging electricity provided in an embodiment of the present invention
Road.
Fig. 5 shows the workflow of charging method provided in an embodiment of the present invention, for ease of description, illustrate only with
The relevant part of the embodiment of the present invention.
The charging method provided in an embodiment of the present invention, as shown in figure 5, the charging method includes step A1, step
A2, step A3 and step A4.
Step A1, the temperature sensing circuit detect the temperature of the battery core, and Xiang Suoshu control circuit exports the temperature；
Step A2, the control circuit judge whether the temperature is lower than the first temperature, if the temperature is lower than described
First temperature then exports heating instructions to the heater circuit, if the temperature is greater than or equal to first temperature, to
The fast charge charging circuit output fast charge instruction；
Step A3, the heater circuit heat the battery core when receiving the heating instructions；
Step A4, the fast charge charging circuit is when receiving fast charge instruction, by the charging interface with first
Electric current charges to the battery core.
In an embodiment of the embodiment of the present invention, the control circuit judges whether the temperature is lower than the first temperature
The step for degree, temperature described in fruit is lower than first temperature, then exports heating instructions to the heater circuit specifically:
The control circuit judges the temperature when charging equipment powers on the control circuit by the charging interface
Whether the temperature of degree detection circuit output, described battery core is lower than first temperature, if the temperature of the battery core is lower than institute
The first temperature is stated, then exports the heating instructions to the heater circuit；
The heater circuit is when receiving the heating instructions, the step for heating to the battery core specifically:
The heater circuit is converted to heat when receiving the heating instructions, by the electric energy inputted from the charging interface
It can be to be heated to the battery core.
In an embodiment of the embodiment of the present invention, the heater circuit includes resistance and/or metal-oxide-semiconductor；
The heater circuit is when receiving the heating instructions, the step for heating to the battery core specifically:
The heater circuit is when receiving the heating instructions, by will be from institute to the resistance and/or the metal-oxide-semiconductor
The electric energy for stating charging interface input is converted to thermal energy and is heated with the battery core.
In an embodiment of the embodiment of the present invention, the charging method further include:
When the temperature of the battery core that the control circuit is exported in the temperature sensing circuit, described reaches third temperature, to
The heater circuit exports halt instruction；
The heater circuit stops heating the battery core when receiving the halt instruction.
Fig. 6 shows a kind of optimized work flow of charging method provided in an embodiment of the present invention, for ease of description, only
Show part related to the embodiment of the present invention.
In an embodiment of the embodiment of the present invention, referring to Fig. 6, the charging method further includes step B1 and step
B2。
Step B1, the temperature of the battery core that the control circuit is exported in the temperature sensing circuit, described reach third temperature
When spending, Xiang Suoshu heater circuit exports halt instruction；
Step B2, the heater circuit stop heating the battery core when receiving the halt instruction.
In an embodiment of the embodiment of the present invention, the charging interface includes: P power supply line and Q ground wire；
Wherein, the P is greater than 1, and the Q is greater than 1.
In an embodiment of the embodiment of the present invention, first temperature is 10 degrees Celsius；First electric current is big
In or equal to 3 amperes of electric current.
Fig. 7 shows another optimized work flow of charging method provided in an embodiment of the present invention, for ease of description,
Only parts related to embodiments of the present invention are shown.
In an embodiment of the embodiment of the present invention, referring to Fig. 7, if the temperature is lower than first temperature
After the step for then exporting heating instructions to the heater circuit, the charging method further includes step E1, step E2 and step
Rapid E3.
Step E1, the control circuit judge whether the temperature is higher than the second temperature, if the temperature is higher than
Or be equal to the second temperature and the temperature and be lower than first temperature, then finger is filled to fast charge charging circuit output is general
It enables, if the temperature is lower than the second temperature, stops filling instruction to fast charge charging circuit output；
Step E2, the fast charge charging circuit receive it is described it is general fill instruction when, by the charging interface with second
Electric current charges to the battery core, and second electric current is less than first electric current；
Step E3, the fast charge charging circuit receive it is described stop filling instruction when, disconnect and pass through the charging interface pair
The charge circuit of the battery core charging.
As one case study on implementation of present embodiment, the fast charge charging circuit includes main charging circuit, the fast charge charging
Circuit further includes one or more auxiliary charging circuits；
The fast charge charging circuit receive it is described it is general fill instruction when by the charging interface with the second electric current to institute
The step for stating battery core charging, specifically: the fast charge charging circuit receive it is described it is general fill instruction when, be sequentially communicated described
The electric pathway of charging interface, the main charging circuit and the battery core, successively by the charging interface and the main charging electricity
It is charged with second electric current to the battery core on road；
The fast charge charging circuit passes through the charging interface when receiving fast charge instruction with the first electric current to institute
The step for stating battery core charging, specifically: the fast charge charging circuit is sequentially communicated described when receiving fast charge instruction
The electric pathway of charging interface, the main charging circuit and the battery core, successively by the charging interface and the main charging electricity
Road charges to the battery core, and is also sequentially communicated the charging interface, the auxiliary charging circuit that fast charge instruction is specified and institute
The electric pathway of battery core is stated, successively the battery core is filled by the charging interface and fast charge instruction specified auxiliary charging circuit
Electricity, the specified auxiliary charging circuit of the fast charge instruction is one or more.
Those of ordinary skill in the art be further appreciated that implement the method for the above embodiments be can
It is completed with instructing relevant hardware by program, the program can be stored in a computer-readable storage medium
In, described storage medium, including ROM/RAM, disk, CD etc..
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Several equivalent substitute or obvious modifications are made under the premise of not departing from present inventive concept, and performance or use is identical, all should
It is considered as belonging to present invention scope of patent protection determined by the appended claims.
Claims (13)
1. a kind of charging method, which is characterized in that the charging method includes:
Temperature sensing circuit detects the temperature of battery core, exports the temperature to control circuit；
The control circuit judges whether the temperature is lower than the first temperature, if the temperature is lower than first temperature,
Heating instructions are exported to heater circuit, it is defeated to fast charge charging circuit if the temperature is greater than or equal to first temperature
Fast charge instructs out, wherein when the temperature of the battery core is higher than second temperature, can charge to the battery core；
The heater circuit heats the battery core when receiving the heating instructions；
The fast charge charging circuit receive the fast charge instruction when, be sequentially communicated the charging interface, main charging circuit and
The electric pathway of the battery core successively charges to the battery core with the first electric current by the charging interface and main charging circuit, and
And it is also sequentially communicated the electric pathway of the charging interface, the fast charge instruction auxiliary charging circuit specified and the battery core, successively
It charges by the specified auxiliary charging circuit of the charging interface and fast charge instruction to the battery core, the fast charge instruction is specified
Auxiliary charging circuit be one or more, wherein the fast charge charging circuit includes the main charging circuit and one or more
The auxiliary charging circuit, wherein
The fast charge charging circuit receive it is general fill instruction when, be sequentially communicated the charging interface, the main charging circuit and
The electric pathway of the battery core successively fills the battery core with the second electric current by the charging interface and the main charging circuit
Electricity；
Wherein, it is described it is general fill instruction be the control circuit determining the temperature be greater than or equal to second temperature and the temperature
Second electric current export when degree is lower than first temperature and described is less than first electric current.
2. charging method as described in claim 1, which is characterized in that the control circuit judges whether the temperature is lower than
One temperature, if the temperature be lower than first temperature, to the heater circuit export heating instructions the step for it is specific
Are as follows:
The control circuit judges the temperature inspection when charging equipment powers on the control circuit by the charging interface
Whether slowdown monitoring circuit output, battery core temperature is lower than first temperature, if the temperature of the battery core is lower than described the
One temperature then exports the heating instructions to the heater circuit；
The heater circuit is when receiving the heating instructions, the step for heating to the battery core specifically:
The heater circuit when receiving the heating instructions, by the electric energy inputted from the charging interface be converted to thermal energy with
The battery core is heated.
3. charging method as described in claim 1, which is characterized in that the heater circuit includes resistance and/or metal-oxide-semiconductor；
The heater circuit is when receiving the heating instructions, the step for heating to the battery core specifically:
The heater circuit is when receiving the heating instructions, by that will fill from described to the resistance and/or the metal-oxide-semiconductor
The electric energy of electrical interface input is converted to thermal energy to heat to the battery core.
4. charging method as described in claim 1, which is characterized in that the charging method further include:
When the temperature of the battery core that the control circuit is exported in the temperature sensing circuit, described reaches third temperature, Xiang Suoshu
Heater circuit exports halt instruction；
The heater circuit stops heating the battery core, wherein the third temperature is high when receiving the halt instruction
In first temperature.
5. charging method as described in claim 1, which is characterized in that the charging interface includes: P power supply line and Q ground
Line；
Wherein, the P is greater than 1, and the Q is greater than 1.
6. a kind of charging circuit, the charging circuit connects charging interface；It is characterized in that, the charging circuit includes temperature detection
Circuit, heater circuit, fast charge charging circuit and control circuit；
The fast charge charging circuit is connected electrically between the charging interface and battery core, the control circuit respectively with the fast charge
Charging circuit, the temperature sensing circuit and heater circuit electrical connection；
The temperature sensing circuit, for detecting the temperature of the battery core, Xiang Suoshu control circuit exports the temperature；
The control circuit is also used for exporting heating instructions to the heater circuit when the temperature is lower than the first temperature
It is instructed in exporting fast charge to the fast charge charging circuit when the temperature is greater than or equal to first temperature, wherein in institute
When stating the temperature of battery core higher than second temperature, it can charge to the battery core；
The heater circuit, for being heated to the battery core when receiving the heating instructions；
The fast charge charging circuit, for when receiving fast charge instruction, being sequentially communicated the charging interface, main charging electricity
The electric pathway on road and the battery core successively fills the battery core with the first electric current by the charging interface and main charging circuit
Electricity, and it is also sequentially communicated the electric pathway of the charging interface, the fast charge instruction auxiliary charging circuit specified and the battery core,
Successively charge by the specified auxiliary charging circuit of the charging interface and fast charge instruction to the battery core, the fast charge instruction
Specified auxiliary charging circuit is one or more, wherein the fast charge charging circuit include the main charging circuit and one or
Multiple auxiliary charging circuits,
Wherein, the control circuit is also used to determining that the temperature is greater than or equal to second temperature and the temperature is lower than institute
It is exported when stating the first temperature and general fills instruction；
The fast charge charging circuit, specifically for receive it is general fill instruction when, be sequentially communicated the charging interface, the master fills
The electric pathway of circuit and the battery core passes through the charging interface and the main charging circuit successively with the second electric current to described
Battery core charging, second electric current are less than first electric current.
7. charging circuit as claimed in claim 6, which is characterized in that the heater circuit is electrically connected with the charging interface,
The control circuit is electrically connected with the charging interface；
The control circuit is also used to when charging equipment powers on the control circuit by the charging interface described in judgement
Whether the temperature of temperature sensing circuit output, described battery core is lower than first temperature, if the temperature of the battery core is lower than
First temperature then exports the heating instructions to the heater circuit；
The heater circuit, specifically for when receiving the heating instructions, the electric energy inputted from the charging interface is turned
Thermal energy is changed to heat to the battery core.
8. charging circuit as claimed in claim 6, which is characterized in that the heater circuit includes resistance and/or metal-oxide-semiconductor；
The heater circuit, specifically for when receiving the heating instructions, by the resistance and/or the metal-oxide-semiconductor
The electric energy inputted from the charging interface is converted to thermal energy to heat with the battery core.
9. charging circuit as claimed in claim 6, which is characterized in that the control circuit is also used in the temperature detection
When the temperature of circuit output, the described battery core reaches third temperature, Xiang Suoshu heater circuit exports halt instruction；
The heater circuit is also used to when receiving the halt instruction, stops heating the battery core, wherein described the
Three temperature are higher than first temperature.
10. charging circuit as claimed in claim 6, which is characterized in that the charging interface includes: P power supply line and Q ground
Line；
Wherein, the P is greater than 1, and the Q is greater than 1.
11. charging circuit as claimed in claim 6, which is characterized in that the auxiliary charging circuit is charging chip.
12. charging circuit as claimed in claim 6, which is characterized in that the auxiliary charging circuit has the first controlled end, second
Controlled end, battery core end and charging end, the battery core end are electrically connected with the battery core, and the charging end is electrically connected with the charging interface
It connects, first controlled end and second controlled end are electrically connected to the control circuit respectively；
The charging is connected when instructing specifically for receiving the fast charge from first controlled end in the auxiliary charging circuit
End and the battery core end；
The auxiliary charging circuit disconnects the charging end when also particularly useful for receiving open command from second controlled end
With being electrically connected for the battery core end, the open command is exported by the control circuit.
13. a kind of mobile terminal, the mobile terminal includes charging interface, which is characterized in that the mobile terminal further includes power
Benefit requires 6 to 12 described in any item charging circuits；The charging circuit connects the charging interface and battery core respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610987693.7A CN106532186B (en) | 2014-09-01 | 2014-09-01 | A kind of charging method, charging circuit and mobile terminal |
Applications Claiming Priority (2)
| 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 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410441450.4A Division CN104242390B (en) | 2014-09-01 | 2014-09-01 | A kind of charging method, charging circuit and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN106532186A CN106532186A (en) | 2017-03-22 |
| CN106532186B true CN106532186B (en) | 2019-10-22 |
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| 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 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410441450.4A Active CN104242390B (en) | 2014-09-01 | 2014-09-01 | A kind of charging method, charging circuit and mobile terminal |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US11533953B2 (en) | 2016-06-29 | 2022-12-27 | Philip Morris Products S.A. | 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 |
| 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 |
| 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 |
| 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 |
| CN109921113A (en) * | 2019-03-19 | 2019-06-21 | 合肥工业大学 | A kind of pure electric vehicle equation motorcycle race battery temperature Monitoring and control system |
| CN113707960B (en) * | 2021-08-06 | 2024-01-26 | 湖南领湃达志科技股份有限公司 | Method for quickly charging lithium ion power battery |
| CN114678629A (en) * | 2022-03-03 | 2022-06-28 | 广州明美新能源股份有限公司 | Lithium battery self-heating method and system in low-temperature environment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303720C (en) * | 2003-12-18 | 2007-03-07 | 明基电通股份有限公司 | Equipment for heating and charging chargeable battery under low-temperature |
| ITMI20061296A1 (en) * | 2006-07-04 | 2008-01-05 | Campagnolo Srl | METHOD OF CONTROL AND SYSTEM OF CHARGING A BATTERY POWER UNIT |
| US20130181675A1 (en) * | 2010-11-25 | 2013-07-18 | Honda Motor Co., Ltd. | Charge control device for electric vehicle |
| CN102593547A (en) * | 2011-01-18 | 2012-07-18 | 上海鼎研智能科技有限公司 | Low-temperature charging heating and protecting method for secondary battery pack |
| 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 |
| JP6088840B2 (en) * | 2013-02-18 | 2017-03-01 | Ｋｙｂ株式会社 | Charge / discharge system |
-
2014
- 2014-09-01 CN CN201610987693.7A patent/CN106532186B/en not_active Expired - Fee Related
- 2014-09-01 CN CN201410441450.4A patent/CN104242390B/en active Active
Also Published As
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|---|---|
| CN106532186A (en) | 2017-03-22 |
| CN104242390A (en) | 2014-12-24 |
| CN104242390B (en) | 2016-12-07 |
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