CN106505660A - A kind of charge protection method, charging protector and terminal - Google Patents
A kind of charge protection method, charging protector and terminal Download PDFInfo
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- CN106505660A CN106505660A CN201610933521.1A CN201610933521A CN106505660A CN 106505660 A CN106505660 A CN 106505660A CN 201610933521 A CN201610933521 A CN 201610933521A CN 106505660 A CN106505660 A CN 106505660A
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- 230000001012 protector Effects 0.000 title claims abstract description 186
- 238000000034 method Methods 0.000 title claims abstract description 45
- 230000005856 abnormality Effects 0.000 claims abstract description 32
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- 238000012544 monitoring process Methods 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
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- 241000208340 Araliaceae Species 0.000 description 1
- DWDGSKGGUZPXMQ-UHFFFAOYSA-N OPPO Chemical compound OPPO DWDGSKGGUZPXMQ-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H02J7/0026—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
Abstract
The embodiment of the invention discloses a kind of charge protection method, including：The first protection instruction that charging protector elder generation receiving terminal sends; the instruction that the first protection instruction is sent when detecting charged state exception by the terminal; start charge protector further according to the protection instruction, then charging voltage is controlled by the charge protector the second predetermined threshold value is less than less than the first predetermined threshold value and/or control charging current.So, charging protector establishes communication connection with terminal, detects charged state when charging by terminal; if noting abnormalities; protection instruction is sent to charging protector then so that charging protector controls charging voltage and charging current by protection circuit, so as to realize being charged protection to terminal.
Description
Technical field
The present invention relates to charge protection field, more particularly to a kind of charge protection method, charge protection phase and terminal.
Background technology
The quick charge product technology for occurring in the market, mainly has high pass Quick Charge technology, Lian Fake
Pump Express technology, Ti Max Charge technology, OPPO VOOC sudden strains of a muscle are filled technology, Apple 20V and fill technology etc. soon.These
The most basic principle of rapid nitriding be all by improving charging voltage, the either or both of charging current all improves and fills to be lifted
Electrical power.These rapid nitridings are required for safe practice and measure.Quick charge adapter mainly has following several：High electricity
Pressure constant-current mode, low voltage and high current pattern, high voltage and high current pattern.Because the lifting of voltage, electric current increased end
The potential safety hazard of end equipment, so quick charge is typically needed during terminal charge according to cell voltage, electricity and temperature
In dynamic state of parameters request charger adjustment output voltage and electric current.
Terminal charge socket mostly is micro USB, and type-C interfaces, such quick charger may be used interchangeably.
Although, the plug of quick charger should just improve one or both of voltage, electric current after terminal quick charge request is received
All improve, it is likely that there is two terminal quick charger mutually using, cause " filling adapter soon " improper entering quickly to be filled
Power mode.The output voltage of the terminal " filling adapter soon " of so another specification, electric current cause device beyond the ability to bear of terminal
Part is damaged.Or " filling adapter soon " has certain, cause charging regulating power out of control, output extra-high pressure, superelevation electricity
Stream, directly causes to damage to terminal, there is also potential safety hazard.
Adapter is filled soon because requiring single function in design, typically will not the more states of monitoring terminal, such as cpu temperature
Height, converse etc..Most technology of filling soon is all to fill using terminal and soon by the way of adapter is consulted to charge to protect
Terminal, can work as and fill adapter cross-reference soon, or fill soon adapter occur abnormal, terminal still suffer from high voltage, high current,
The charging risk of high temperature.
Content of the invention
A kind of charge protection method, charge protection phase and terminal is embodiments provided, for filling according to terminal
Electricity condition controlling charging voltage and charging current, so as to realize charge protection.
Embodiment of the present invention first aspect provides a kind of charge protection method, including：
The first protection instruction that receiving terminal sends, it is different that the first protection instruction detects charged state for the terminal
The instruction sent when often；
Charge protector is started according to the described first protection instruction；
Charging voltage is controlled by the charge protector to be less than less than the first predetermined threshold value and/or control charging current
Second predetermined threshold value.
In a kind of possible implementation, the charging abnormality includes：Cell voltage is higher than the 3rd predetermined threshold value；Or
Person,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
In alternatively possible implementation, the charging abnormality includes：Charger charges abnormal.
In alternatively possible implementation, methods described also includes：
The second protection instruction that the terminal sends is received, the second protection instruction detects charging shape for the terminal
The state abnormal persistent period exceedes the instruction sent during preset duration；
The line that charger is the terminal charge is disconnected by the charge protector according to the described second protection instruction
Road.
In alternatively possible implementation, methods described also includes：
The protection cancel an order that the terminal sends is received, the protection cancel an order detects charging shape for the terminal
The instruction sent when state is normal；
The charge protector is closed according to the protection cancel an order so that charger recovers for the terminal charge
Normally.
Embodiment of the present invention second aspect provides a kind of charge protection method, including：
When detecting charged state and being abnormal, the first protection instruction, the first protection instruction is sent to charging protector
For indicating that the charging protector starts charge protector so that the charging protector passes through the charge protector
Control charging voltage is less than the second predetermined threshold value less than the first predetermined threshold value and/or control charging current；
When the charged state abnormal persistent period being detected more than preset duration, send second to the charging protector
Protection instruction, the second protection instruction disconnect circuit of the charger for terminal charge for indicating the charging protector.
In a kind of possible implementation, the charging abnormality includes：Cell voltage is higher than the 3rd predetermined threshold value；Or
Person,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
In alternatively possible implementation, the charging abnormality includes：Charger charges abnormal.
In alternatively possible implementation, methods described also includes：
When detecting charged state recovery and being normal, protection cancel an order, the protection is sent to the charging protector
Cancel an order is used for indicating that the charging protector closes the charge protector so that charger is that the terminal charge is extensive
Multiple normal.
The embodiment of the present invention third aspect provides a kind of charging protector, including：
Receiving unit, for the first protection instruction that receiving terminal sends, the first protection instruction is examined for the terminal
Measure the instruction sent during charged state exception；
Start unit, for starting charge protector according to the described first protection instruction；
Control unit, for controlling charging voltage less than the first predetermined threshold value and/or control by the charge protector
Charging current processed is less than the second predetermined threshold value.
In a kind of possible implementation, the charging abnormality includes：Cell voltage is higher than the 3rd predetermined threshold value；Or
Person,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
In alternatively possible implementation, the charging abnormality includes：Charger charges abnormal.
In alternatively possible implementation, it is characterised in that the receiving unit is additionally operable to：
The second protection instruction that the terminal sends is received, the second protection instruction detects charging shape for the terminal
The state abnormal persistent period exceedes the instruction sent during preset duration；
The charging protector also includes switching units, for passing through the charge protection according to the described second protection instruction
Circuit disconnects the circuit that charger is the terminal charge.
In alternatively possible implementation, it is characterised in that the receiving unit is additionally operable to：
The protection cancel an order that the terminal sends is received, the protection cancel an order detects charging shape for the terminal
The instruction sent when state is normal；
The charging protector also includes closing unit, for closing the charge protection according to the protection cancel an order
Circuit so that charger is that the terminal charge recovers normal.
Embodiment of the present invention fourth aspect provides a kind of terminal, including：
Detector unit, for detecting whether charged state is abnormal；
Transmitting element, for when detecting charged state and being abnormal, sending the first protection instruction to charging protector, described
First protection instruction starts charge protector for indicating the charging protector so that the charging protector is by described
Charge protector control charging voltage is less than the second predetermined threshold value less than the first predetermined threshold value and/or control charging current；
The transmitting element is additionally operable to, when the charged state abnormal persistent period is detected more than preset duration, to institute
State charging protector and send the second protection instruction, the second protection instruction disconnects charger for indicating the charging protector
Circuit for terminal charge.
In a kind of possible implementation, the charging abnormality includes：Cell voltage is higher than the 3rd predetermined threshold value；Or
Person,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
In alternatively possible implementation, the charging abnormality includes：Charger charges abnormal.
In alternatively possible implementation, the transmitting element is additionally operable to：
When detecting charged state recovery and being normal, protection cancel an order, the protection is sent to the charging protector
Cancel an order is used for indicating that the charging protector closes the charge protector so that charger is that the terminal charge is extensive
Multiple normal.
A kind of charging protector is provided in terms of the embodiment of the present invention the 5th, including：Processor, transceiver and memorizer,
Be stored with the memorizer computer instruction, and the processor is walked so as to execute as follows by running the computer instruction
Suddenly：
The first protection instruction that receiving terminal sends, it is different that the first protection instruction detects charged state for the terminal
The instruction sent when often；
Charge protector is started according to the described first protection instruction；
Charging voltage is controlled by the charge protector to be less than less than the first predetermined threshold value and/or control charging current
Second predetermined threshold value.
In a kind of possible implementation, the charging abnormality includes：Cell voltage is higher than the 3rd predetermined threshold value；Or
Person,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
In alternatively possible implementation, the charging abnormality includes：Charger charges abnormal.
In alternatively possible implementation, the processor is also executed the following steps：
The second protection instruction that the terminal sends is received, the second protection instruction detects charging shape for the terminal
The state abnormal persistent period exceedes the instruction sent during preset duration；
The line that charger is the terminal charge is disconnected by the charge protector according to the described second protection instruction
Road.
In alternatively possible implementation, the processor is also executed the following steps：
The protection cancel an order that the terminal sends is received, the protection cancel an order detects charging shape for the terminal
The instruction sent when state is normal；
The charge protector is closed according to the protection cancel an order so that charger recovers for the terminal charge
Normally.
A kind of terminal is provided in terms of the embodiment of the present invention the 6th, including：Processor, transceiver and memorizer, described deposit
Be stored with reservoir computer instruction, and the processor passes through to run the computer instruction, so as to execute following steps：
Realize any one implementation in the charge protection method that embodiment of the present invention second aspect is provided.Work as detection
During to charged state exception, to charging protector transmission the first protection instruction, first protection is instructed to be used for indicating described filling
Non-electricity protector starts charge protector so that it is little that the charging protector controls charging voltage by the charge protector
The second predetermined threshold value is less than in the first predetermined threshold value and/or control charging current；
When the charged state abnormal persistent period being detected more than preset duration, send second to the charging protector
Protection instruction, the second protection instruction disconnect circuit of the charger for terminal charge for indicating the charging protector.
In a kind of possible implementation, the charging abnormality includes：Cell voltage is higher than the 3rd predetermined threshold value；Or
Person,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
In alternatively possible implementation, the charging abnormality includes：Charger charges abnormal.
In alternatively possible implementation, the processor is also executed the following steps：
When detecting charged state recovery and being normal, protection cancel an order, the protection is sent to the charging protector
Cancel an order is used for indicating that the charging protector closes the charge protector so that charger is that the terminal charge is extensive
Multiple normal.
A kind of storage medium is provided in terms of the embodiment of the present invention the 7th, in the storage medium, program code is stored, should
The charge protection method of any one implementation offer of first aspect or first aspect, when program code is run, is provided.
The storage medium includes but is not limited to flash memory (English：Flash memory), hard disk (English：hard disk
Drive, referred to as：HDD) or solid state hard disc (English：Solid state drive, referred to as：SSD).
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：In the present invention, charging protector elder generation
First protection instruction of receiving terminal transmission, the first protection instruction are sent out when detecting charged state exception by the terminal
The instruction for going out, starts charge protector further according to the protection instruction, then controls the electricity that charges by the charge protector
Pressure is less than the second predetermined threshold value less than the first predetermined threshold value and/or control charging current.So, charging protector is set up with terminal
Communication connection, detects charged state when charging by terminal, if note abnormalities, sends protection instruction to charging protector,
So that charging protector controls charging voltage and charging current by protection circuit, so as to realize being charged protection to terminal.
Description of the drawings
Fig. 1 is the schematic diagram of Micro USBs in the embodiment of the present invention；
Fig. 2 is the schematic diagram of the pin mouths definition of Type-C in the embodiment of the present invention；
Fig. 3 is a schematic diagram of charge protection method in present example；
Fig. 4 is another schematic diagram of charge protection method in present example；
Fig. 5 is a schematic diagram of charging protector in present example；
Fig. 6 is a schematic diagram of terminal in the embodiment of the present invention；
Fig. 7 is another schematic diagram of charging protector in the embodiment of the present invention；
Fig. 8 is another schematic diagram of terminal in the embodiment of the present invention.
Specific embodiment
A kind of charge protection method, charge protection phase and terminal is embodiments provided, for filling according to terminal
Electricity condition controlling charging voltage and charging current, so as to realize charge protection.
Accompanying drawing in below in conjunction with the embodiment of the present invention, to the embodiment of the present invention in technical scheme carry out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiment.It is based on
Embodiment in the present invention, the every other enforcement obtained under the premise of creative work is not made by those skilled in the art
Example, belongs to the scope of protection of the invention.
Term " first ", " second ", " the 3rd " in description and claims of this specification and above-mentioned accompanying drawing, "
Four " etc. (if present) is for distinguishing similar object, without for describing specific order or precedence.Should manage
The data that solution is so used can be exchanged in the appropriate case, so that the embodiments described herein can be with except illustrating here
Or the order beyond the content of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that
Covering is non-exclusive to be included, and for example, the process, method, system, product or the equipment that contain series of steps or unit need not be limited
In those steps or unit for clearly listing, but may include clearly not list or for these processes, method, product
Other intrinsic steps of product or equipment or unit.
In the embodiment of the present invention, terminal can be the smart machines such as mobile phone, panel computer, intelligent watch, intelligent ring.Fill
Non-electricity protector can be integrated in power supply adaptor, it is also possible to separately as a charge protection plug, when as charge protection
During plug, can be connected on the charging inlet of terminal.
Fig. 1 is the schematic diagram of Micro USBs in the embodiment of the present invention, and left hand view is end side, and right part of flg is USB line
Side.Mark as depicted：
GND：Power ground, 0 level.
VBUS:USB voltages.
" D+ " and " D- ":Two differential signals of USB are shown in representative.
ID:Use when OTG, detection ID feet state height, for judging it is main equipment or from equipment.
GND and VBUS the two pin mouths are used for charging and quick charge." D+ " and " D- " is used for transmission data (Data),
So that charging protector realizes the negotiation behavior such as protection request by " D+ " and " D- " and terminal communication.Type-C interfaces also have
Pin mouths as implied above, simply Type-C interface positions are different, as shown in Fig. 2 the pin mouths definition of type-C is symmetrical above and below
, therefore can insert anyway.
With reference to shown in Fig. 3, in the embodiment of the present invention, one embodiment of charge protection method includes：
101st, when terminal detects charged state exception, terminal sends the first protection instruction to charging protector, described
First protection instruction starts charge protector for indicating the charging protector.
When terminal is charged by power supply adaptor or other chargers, terminal real-time detection charged state,
The charged state includes the voltage and current state for charging, and the use state and running status of terminal inner.When terminal is examined
When measuring charged state exception, then the first protection instruction is sent to charging protector at once.
In a kind of possible implementation, when charged state can include charging extremely, the battery of terminal is abnormal or whole
The running status exception at end, such as, cell voltage is higher than the 3rd predetermined threshold value；Or, battery current is higher than the 4th predetermined threshold value；
Or, terminal temperature is higher than the 5th predetermined threshold value.
General, charging includes fast mold filling formula and trickle charge pattern, and the charging voltage and charging current of fast mold filling formula are all higher than
Trickle charge pattern, the charging voltage that fills soon are generally 4.2V or so, and charging current is 2A or so.Office due to terminal hardware technology
Limit, the battery of terminal cannot bear larger voltage and current at present.If the cell voltage of terminal is too high, or battery current
Too high, then the battery of terminal can be caused to damage.Therefore, it can arrange the voltage and electric current of battery when charging no more than certain
Threshold value, such as, no more than 4.5V, electric current no more than 2.5A, if exceed, then it represents that charged state exception for voltage.Need
Bright, the predetermined threshold value can be set according to the ability to bear according to the battery of terminal, if the battery of terminal bears energy
Power is higher, then can be by the higher of predetermined threshold value setting.In addition, when the temperature of terminal is higher, it is also possible to be considered as charging different
Often.Terminal can also real-time detection to the processor of the battery temperature and terminal of terminal temperature, when the temperature of battery higher
When, the danger of blast is likely to result in, when the temperature of processor of terminal is higher, then the hardware of terminal may be caused to damage.Cause
This battery temperature and temperature of processor to terminal is respectively provided with a threshold value, such as when battery temperature is more than 60 °, then it represents that fill
Electricity condition exception, when the temperature of processor of terminal is more than 70 °, then it represents that charged state exception.
Optionally, terminal can also further detect the running status of terminal, and whether such as terminal is swum in highly energy-consuming
Play state, or whether terminal be in talking state, as highly energy-consuming is played and call is the process that can result in terminal
The reason for device temperature is too high, therefore, as long as terminal detects terminal processes highly energy-consuming when having play state or talking state, also may be used
To be considered as charged state exception.
In alternatively possible implementation, the charging abnormality can also be that charger charging is abnormal.
Because terminal is typically equipped with the charger of oneself, such as fill adapter soon, fill soon adapter be also use or " D+,
D- " data-interfaces check that terminal fills request soon, consult charging with terminal.And the charging protector in the embodiment of the present invention is setting
Communication on meter to filling adapter and terminal soon is " transparent ".If the existing monitoring terminal signal of quick charge adapter is further
The charge protection that takes, it is also possible to charging protector as safe redundancy scheme or the mechanism and enhancement mechanism of charging.Therefore, at this
In bright embodiment, terminal can also monitor fill soon adapter work whether abnormal, if abnormal, redundancy scheme can be enabled,
Protection instruction is sent to charging protector, so as to carry out stand-by protection.
102nd, the first protection instruction that charging protector receiving terminal sends.
Communication unit is provided with charging protector, is set up with terminal so as to pass through " D+, D- " data-interface described above
Communication connection, and the instruction that receiving terminal sends.The first protection instruction can be an open signal, such as believe for WA_ON
Number.
103rd, charging protector starts charge protector according to the described first protection instruction.
After charging protector receives the first protection instruction of terminal transmission, then start charging protection mechanism, at this
In bright embodiment, it is that protection is charged by set charge protector in charging protector.Specifically, the charging
Protection circuit can be connected on the interface of charging wire, control electricity of the charger to terminal by increasing the element such as resistance and electric capacity
Pressure and electric current are exported.
104th, charging protector controls charging voltage less than the first predetermined threshold value and/or control by the charge protector
Charging current processed is less than the second predetermined threshold value.
When terminal is charged, no matter there is any exception that charges, typically by controlling charging voltage and can fill
The output of electric current, so that solve the charging exception of terminal.The cell voltage of such as terminal is too high, or the battery current of terminal
Excessive, then can pass through voltage when charge protection current control charger charges and be less than certain threshold value, and/or, control is charged
Electric current be less than certain threshold value.So as to reduce the purpose of the voltage of end cell and the battery current of terminal.And for example, eventually
The temperature at end is too high, if charger may cause the constant temperature of terminal still using higher charging voltage and charging current
A higher state is maintained at, accordingly it is also possible to by way of control charging voltage diminishes and diminishes with charging current, so as to
Reduce the purpose of terminal temperature.
Optionally, after charging protector opens charge protector, warning lamp or alarming sound is can be sent out, is used for
User is reminded to process charge protection state at present.
In the present invention, the first protection instruction that charging protector elder generation receiving terminal sends, the first protection instruction is institute
State terminal and detect the instruction sent during charged state exception, start charge protector further according to the protection instruction, then
Charging voltage is controlled by the charge protector to preset less than second less than the first predetermined threshold value and/or control charging current
Threshold value.So, charging protector establishes communication connection with terminal, detects charged state when charging by terminal, if finding different
Often, then protection instruction is sent to charging protector so that charging protector controls charging voltage with the electricity that charges by protection circuit
Stream, so that realize being charged protection to terminal.
With reference to shown in Fig. 4, in the embodiment of the present invention, another embodiment of charge protection method includes：
201st, when terminal detects charged state exception, terminal sends the first protection instruction to charging protector, described
First protection instruction starts charge protector for indicating the charging protector.
Detailed content is with reference to described in step 101.
202nd, the first protection instruction that charging protector receiving terminal sends.
Detailed content is with reference to described in step 102.
203rd, charging protector starts charge protector according to the described first protection instruction.
Detailed content is with reference to described in step 103.
204th, charging protector controls charging voltage less than the first predetermined threshold value and/or control by the charge protector
Charging current processed is less than the second predetermined threshold value.
Detailed content is with reference to described in step 104.
205th, when terminal detects the charged state abnormal persistent period exceedes preset duration, terminal is to the charger
Shield device sends the second protection instruction, and the second protection instruction is filled for terminal for indicating that the charging protector disconnects charger
The circuit of electricity.
In Fig. 3 embodiments, when terminal detects charged state exception, charging protector is simply by charge protector
Charging voltage and/or charging current is reduced, the charging exception of terminal in actual applications, still possibly cannot be solved, such as
Terminal when charging, play and cause the temperature of terminal too high by operation highly energy-consuming, passes through charging protector in time by charging voltage
Reduce with charging current, cannot still alleviate the temperature of terminal, and if so continuing longer time, still can be to terminal
Hardware causes to damage, and therefore terminal can such as work as Abnormal lasting with the persistent period of real-time detection charging abnormality
During more than 30 minutes, terminal then sends the second protection instruction to charging protector, indicates that charging protector disconnects charger for eventually
The circuit that end is charged, stops as terminal charge.
206th, charging protector receives the second protection instruction that the terminal sends.
207th, charging protector disconnects the circuit that charger is the terminal charge by the charge protector.
Specifically, can be to arrange the lines of the mode charge closing device as terminal charge such as contactor in charge protector
Road, so that reach the purpose stopped as terminal charge.
208th, when terminal detects charged state recovers normal, terminal sends protection revocation to the charging protector and refers to
Order, the protection cancel an order are used for indicating that the charging protector closes the charge protector.
Optionally, when the charged state of terminal recovers normal, then need not be further continued for being charged using charging protector
Protection, terminal then can send protection cancel an order to charging protector, recover normal charging condition.Such as, during charging, user
No longer after terminal operating highly energy-consuming game, then the temperature of terminal will be lowered naturally, so that the charging of terminal
Recovering state is normal.
209th, charging protector receives the protection cancel an order that the terminal sends.
210th, charging protector closes the charge protector according to the protection cancel an order so that charger is institute
State terminal charge and recover normal.
After charging protector receives the protection cancel an order of terminal transmission, then charge protector is closed, so that
Charging protector for being " transparent " between charger and terminal, then charger can then return to original charging ginseng
Several terminal is charged.
In the embodiment of the present invention, when terminal detects the charged state abnormal persistent period exceedes preset duration, terminal
The second protection instruction is sent to the charging protector, indicates that the charging protector disconnects line of the charger for terminal charge
Road.So, charge protection has been carried out to terminal further, has reduced terminal and persistently charge the damage caused after exception.In addition,
When terminal detects charged state recovers normal, terminal sends protection cancel an order to the charging protector, indicates described
Charging protector closes the charge protector.So, terminal can then return to the charging of normal parameter, so as to improve use
Experience at family.
With reference to shown in Fig. 5, in the embodiment of the present invention, one embodiment of charging protector includes：
Receiving unit 301, for the first protection instruction that receiving terminal sends, the first protection instruction is the terminal
Detect the instruction sent during charged state exception；
Start unit 302, for starting charge protector according to the described first protection instruction；
Control unit 303, for controlling charging voltage less than the first predetermined threshold value by the charge protector and/or
Control charging current is less than the second predetermined threshold value.
Optionally, the charging abnormality includes：Cell voltage is higher than the 3rd predetermined threshold value；Or,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
Optionally, the charging abnormality includes：Charger charges abnormal.
Optionally, the receiving unit 301 is additionally operable to：
The second protection instruction that the terminal sends is received, the second protection instruction detects charging shape for the terminal
The state abnormal persistent period exceedes the instruction sent during preset duration；
The charging protector also includes switching units 304, for being instructed by the charging according to the described second protection
Protection circuit disconnects the circuit that charger is the terminal charge.
The receiving unit 301 is additionally operable to：
The protection cancel an order that the terminal sends is received, the protection cancel an order detects charging shape for the terminal
The instruction sent when state is normal；
The charging protector also includes closing unit 305, for closing the charging according to the protection cancel an order
Protection circuit so that charger is that the terminal charge recovers normal.
Description with regard to charging protector in Fig. 5 embodiments is specifically referred to charge protection in Fig. 3 and Fig. 4 embodiments
Description in method, is not repeated herein.
With reference to shown in Fig. 6, in the embodiment of the present invention, one embodiment of terminal includes：
Detector unit 401, for detecting whether charged state is abnormal；
Transmitting element 402, for when detecting charged state and being abnormal, sending the first protection instruction to charging protector,
The first protection instruction starts charge protector for indicating the charging protector so that the charging protector passes through
The charge protector control charging voltage presets threshold less than the first predetermined threshold value and/or control charging current less than second
Value；
The transmitting element 402 is additionally operable to, when the charged state abnormal persistent period is detected more than preset duration, to
The charging protector sends the second protection instruction, and the second protection instruction is charged for indicating that the charging protector disconnects
Circuit of the device for terminal charge.
Optionally, the charging abnormality includes：Cell voltage is higher than the 3rd predetermined threshold value；Or,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
Optionally, the charging abnormality includes：Charger charges abnormal.
Optionally, the transmitting element 402 is additionally operable to：
When detecting charged state recovery and being normal, protection cancel an order, the protection is sent to the charging protector
Cancel an order is used for indicating that the charging protector closes the charge protector so that charger is that the terminal charge is extensive
Multiple normal.
Description with regard to terminal in Fig. 6 embodiments is specifically referred in Fig. 3 and Fig. 4 embodiments in charge protection method
Description, do not repeat herein.
With reference to shown in Fig. 7, another embodiment schematic diagrams of the Fig. 7 for embodiment of the present invention charging protector, including：Processor
501st, transceiver 502 and memorizer 503, the processor 501, transceiver 502 and memorizer 503 are entered by bus 504
Row connection, the charging protector can also include communication interface 505 so as to realize being communicatively coupled with the external world, the memorizer
Be stored with 503 computer instruction, and the processor 501 passes through to run the computer instruction, so as to execute following steps：
The first protection instruction that receiving terminal sends, it is different that the first protection instruction detects charged state for the terminal
The instruction sent when often；
Charge protector is started according to the described first protection instruction；
Charging voltage is controlled by the charge protector to be less than less than the first predetermined threshold value and/or control charging current
Second predetermined threshold value.
Optionally, the charging abnormality includes：Cell voltage is higher than the 3rd predetermined threshold value；Or,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
Optionally, the charging abnormality includes：Charger charges abnormal.
Optionally, the processor 501 is also executed the following steps：
The second protection instruction that the terminal sends is received, the second protection instruction detects charging shape for the terminal
The state abnormal persistent period exceedes the instruction sent during preset duration；
The line that charger is the terminal charge is disconnected by the charge protector according to the described second protection instruction
Road.
Optionally, the processor 501 is also executed the following steps：
The protection cancel an order that the terminal sends is received, the protection cancel an order detects charging shape for the terminal
The instruction sent when state is normal；
The charge protector is closed according to the protection cancel an order so that charger recovers for the terminal charge
Normally.
With reference to shown in Fig. 8, another embodiment schematic diagrams of the Fig. 8 for embodiment of the present invention terminal, including：Processor 601, receipts
Device 602 and memorizer 603 is sent out, the processor 601, transceiver 602 and memorizer 603 are attached by bus 604,
The terminal can also include communication interface 605 so as to realizing being communicatively coupled in the memorizer 603 meter that is stored with the external world
Calculation machine is instructed, and the processor 601 passes through to run the computer instruction, so as to execute following steps：
When detecting charged state and being abnormal, the first protection instruction, the first protection instruction is sent to charging protector
For indicating that the charging protector starts charge protector so that the charging protector passes through the charge protector
Control charging voltage is less than the second predetermined threshold value less than the first predetermined threshold value and/or control charging current；
When the charged state abnormal persistent period being detected more than preset duration, send second to the charging protector
Protection instruction, the second protection instruction disconnect circuit of the charger for terminal charge for indicating the charging protector.
Optionally, the charging abnormality includes：Cell voltage is higher than the 3rd predetermined threshold value；Or,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
Optionally, the charging abnormality includes：Charger charges abnormal.
Optionally, the processor 601 is also executed the following steps：
When detecting charged state recovery and being normal, protection cancel an order, the protection is sent to the charging protector
Cancel an order is used for indicating that the charging protector closes the charge protector so that charger is that the terminal charge is extensive
Multiple normal.
Those skilled in the art can be understood that, for convenience and simplicity of description, the system of foregoing description,
Device and the specific work process of unit, may be referred to the corresponding process in preceding method embodiment, will not be described here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematic, for example, the unit
Divide, only a kind of division of logic function can have other dividing mode, for example multiple units or component when actually realizing
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or not execute.Another, shown or
The coupling each other for discussing or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit that illustrates as separating component can be or may not be physically separate, aobvious as unit
The part for showing can be or may not be physical location, you can be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit both can be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized and as independent production marketing or use using in the form of SFU software functional unit
When, can be stored in a computer read/write memory medium.Such understanding is based on, technical scheme is substantially
The part that in other words prior art is contributed or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, use so that a computer including some instructions
Equipment (can be personal computer, server, or network equipment etc.) executes the complete of each embodiment methods described of the invention
Portion or part steps.And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, above example only in order to technical scheme to be described, rather than a limitation；Although with reference to front
State embodiment to be described in detail the present invention, it will be understood by those within the art that：Which still can be to front
State the technical scheme described in each embodiment to modify, or equivalent is carried out to which part technical characteristic；And these
Modification is replaced, and does not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (18)
1. a kind of charge protection method, it is characterised in that methods described includes：
First protection instruction of receiving terminal transmission, when the first protection instruction detects charged state exception for the terminal
The instruction for being sent；
Charge protector is started according to the described first protection instruction；
Charging voltage is controlled by the charge protector second is less than less than the first predetermined threshold value and/or control charging current
Predetermined threshold value.
2. method according to claim 1, it is characterised in that the charging abnormality includes：Cell voltage is higher than the
Three predetermined threshold values；Or,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
3. method according to claim 1, it is characterised in that the charging abnormality includes：Charger charges abnormal.
4. the method according to claims 1 to 3 wherein any one, it is characterised in that methods described also includes：
The second protection instruction that the terminal sends is received, it is different that the second protection instruction detects charged state for the terminal
The normal persistent period exceedes the instruction sent during preset duration；
The circuit that charger is the terminal charge is disconnected by the charge protector according to the described second protection instruction.
5. the method according to Claims 1-4 wherein any one, it is characterised in that methods described also includes：
The protection cancel an order that the terminal sends is received, the protection cancel an order is just detecting charged state for the terminal
The instruction sent when often；
The charge protector is closed according to the protection cancel an order so that charger is that the terminal charge just recovers
Often.
6. a kind of charge protection method, it is characterised in that methods described includes：
When detecting charged state and being abnormal, the first protection instruction is sent to charging protector, the first protection instruction is used for
Indicate that the charging protector starts charge protector so that the charging protector is controlled by the charge protector
Charging voltage is less than the second predetermined threshold value less than the first predetermined threshold value and/or control charging current；
When the charged state abnormal persistent period being detected more than preset duration, send second to the charging protector and protect
Instruction, the second protection instruction disconnect circuit of the charger for terminal charge for indicating the charging protector.
7. method according to claim 6, it is characterised in that the charging abnormality includes：Cell voltage is higher than the
Three predetermined threshold values；Or,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
8. method according to claim 6, it is characterised in that the charging abnormality includes：Charger charges abnormal.
9. the method according to claim 6 to 8 wherein any one, it is characterised in that methods described also includes：
When detecting charged state recovery and being normal, protection cancel an order, the protection revocation is sent to the charging protector
Instruct for indicating that the charging protector closes the charge protector so that charger is that the terminal charge just recovers
Often.
10. a kind of charging protector, it is characterised in that the charging protector includes：
Receiving unit, for the first protection instruction that receiving terminal sends, the first protection instruction is detected for the terminal
The instruction sent when abnormal by charged state；
Start unit, for starting charge protector according to the described first protection instruction；
Control unit, fills less than the first predetermined threshold value and/or control for controlling charging voltage by the charge protector
Electric current is less than the second predetermined threshold value.
11. charging protectors according to claim 6, it is characterised in that the charging abnormality includes：Cell voltage
It is higher than the 3rd predetermined threshold value；Or,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
12. charging protectors according to claim 6, it is characterised in that the charging abnormality includes：Charger fills
Electrical anomaly.
13. charging protectors according to claim 10 to 12 wherein any one, it is characterised in that the receiving unit
It is additionally operable to：
The second protection instruction that the terminal sends is received, it is different that the second protection instruction detects charged state for the terminal
The normal persistent period exceedes the instruction sent during preset duration；
The charging protector also includes switching units, for passing through the charge protector according to the described second protection instruction
Disconnect the circuit that charger is the terminal charge.
14. charging protectors according to claim 10 to 13 wherein any one, it is characterised in that the receiving unit
It is additionally operable to：
The protection cancel an order that the terminal sends is received, the protection cancel an order is just detecting charged state for the terminal
The instruction sent when often；
The charging protector also includes closing unit, for closing the charge protection electricity according to the protection cancel an order
Road so that charger is that the terminal charge recovers normal.
15. a kind of terminals, it is characterised in that the terminal includes：
Detector unit, for detecting whether charged state is abnormal；
Transmitting element, for when detecting charged state and being abnormal, sending the first protection to charging protector and instructing, described first
Protection instruction starts charge protector for indicating the charging protector so that the charging protector is by the charging
Protection circuit control charging voltage is less than the second predetermined threshold value less than the first predetermined threshold value and/or control charging current；
The transmitting element is additionally operable to, and when the charged state abnormal persistent period is detected more than preset duration, fills to described
Non-electricity protector sends the second protection instruction, and the second protection instruction disconnects charger for eventually for indicating the charging protector
The circuit that end is charged.
16. terminals according to claim 15, it is characterised in that the charging abnormality includes：Cell voltage is higher than
3rd predetermined threshold value；Or,
Battery current is higher than the 4th predetermined threshold value；Or,
Terminal temperature is higher than the 5th predetermined threshold value.
17. terminals according to claim 15, it is characterised in that the charging abnormality includes：Charger charges different
Often.
18. terminals according to claim 15 to 17 wherein any one, it is characterised in that the transmitting element is also used
In：
When detecting charged state recovery and being normal, protection cancel an order, the protection revocation is sent to the charging protector
Instruct for indicating that the charging protector closes the charge protector so that charger is that the terminal charge just recovers
Often.
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| CN201610933521.1A CN106505660B (en) | 2016-10-31 | 2016-10-31 | A kind of charge protection method, charging protector and terminal |
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|---|---|---|---|
| CN201610933521.1A CN106505660B (en) | 2016-10-31 | 2016-10-31 | A kind of charge protection method, charging protector and terminal |
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| CN108718360A (en) * | 2018-04-25 | 2018-10-30 | 维沃移动通信有限公司 | A kind of charging method and mobile terminal |
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| CN111538390A (en) * | 2020-03-27 | 2020-08-14 | 努比亚技术有限公司 | Method for controlling terminal temperature, terminal and computer readable storage medium |
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| CN106505660B (en) | 2019-10-11 |
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