CN105790360A - Charging circuit, electronic device and information processing method - Google Patents
Charging circuit, electronic device and information processing method Download PDFInfo
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- CN105790360A CN105790360A CN201610222493.2A CN201610222493A CN105790360A CN 105790360 A CN105790360 A CN 105790360A CN 201610222493 A CN201610222493 A CN 201610222493A CN 105790360 A CN105790360 A CN 105790360A
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- telecommunication
- signal
- control strategy
- power supply
- circuit
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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
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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
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
Abstract
The embodiment of the invention provides a charging circuit. The charging circuit comprises a power supply interface capable of connecting with a power supply device; a detection element consisting of a first terminal and a second terminal, the first end being connected with the power supply interface, the second end being connected with a first circuit, the first circuit being configured to allow the power supply interface to perform system power supply through the detection element; a detection unit configured to connect with the detection element and detect electric signals acted to the detection element; and a processing unit configured to connect with the detection unit and control the system power supply or control strategy generation according to the electric signals, the control strategy being configured to control work parameters of the system.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of charging circuit, electronic equipment and information processing method.
Background technology
It is usually provided with power interface in the electronic device, power interface can receive the power supply of power supply unit, but the quality of power supply unit at present on the market is very different, it is possible to can cause that electronic equipment is when power consumption peak, do not power, and then the problem causing electronic equipment automatic shutdown.
On the other hand, owing to the volume of electronic equipment is little, the volume of some power interface is also reduced again and again, in the process of plug, may result in the problems such as short circuit occurs between the multiple pins in power interface, in this time, be further continued for being powered by power interface by power supply unit, may result in for electrical short, thus damaging electronic equipment.
Summary of the invention
In view of this, embodiment of the present invention expectation provides a kind of charging circuit, electronic equipment and information processing method, solves the problems referred to above at least partly.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
The embodiment of the present invention provides a kind of charging circuit, including:
Power interface, it is possible to be connected with power supply unit；
Detecing element, including the first end and the second end；Wherein, described first end is connected with described power interface, and described second end is connected to the first circuit；Wherein, described first circuit carries out system power supply for described power interface by described detecing element；
Detection unit, is connected with described detecing element, for detecting the signal of telecommunication acting on described detecing element；
Processing unit, is connected with described detection unit, for controlling described system power supply according to the described signal of telecommunication or generating control strategy；Wherein, described control strategy is for controlling the running parameter of system.
Based on such scheme, described detection unit, specifically for detecting first signal of telecommunication formed under the effect of the first voltage that described detecing element provides at described power interface；
Described processing unit, specifically for generating control strategy according to described first signal of telecommunication, wherein, described control strategy is for controlling the running parameter of system.
Based on such scheme, described processing unit, specifically for when described first signal of telecommunication shows that the first voltage that described power interface provides is less than preset voltage value, generating described control strategy；Wherein, described control strategy is used for reducing system power dissipation.
Based on such scheme, described control strategy, it is possible to be used for controlling system reduce operating frequency and/or, reduce the operating current of described system, and/or close described system and run one or more application.
Based on such scheme, described circuit also includes:
Built-in power, is connected formation second circuit with described detecing element and described power interface, before providing described system power supply at described power interface, provides the second voltage to described second circuit；
Described detection unit, is additionally operable to detect second signal of telecommunication formed under the effect of described second voltage on described detecing element；
Described processing unit, is additionally operable to according to described second signal of telecommunication output power supply prompting or determines whether to carry out described system power supply.
Based on such scheme, described processing unit, during specifically for showing that when described second signal of telecommunication electric current of second circuit is more than pre-set current value, output stops the exception that described power interface powers and powers prompting.
Based on such scheme, described charging circuit also includes:
Impedor, one end is connected with described detecing element 120, other end ground connection；
Described detecing element, for when, before carrying out described system power supply, turning on the connection of described impedor and described detecing element, disconnect described first circuit；Wherein, described second voltage also acts on described detecing element and the circuit of described impedor connection formation；
Described processing unit, specifically for when described second signal of telecommunication characterizes described power interface exception, disconnecting described first circuit；When described second signal of telecommunication shows that described power interface is normal, turn on described first circuit.
Embodiment of the present invention second aspect provides a kind of electronic equipment, including any aforementioned charging circuit.
The embodiment of the present invention third aspect provides a kind of information processing method, including:
The signal of telecommunication of detection detecing element；
According to the described signal of telecommunication, control system power supply or generation control strategy that power interface is provided by described detecing element；Wherein, described control strategy is for controlling the running parameter of system.
Based on such scheme, the signal of telecommunication of described detection detecing element, including:
The first voltage that detecting described power interface provides acts on first signal of telecommunication that detecing element is formed；
Described according to the described signal of telecommunication, generate control strategy, including:
Generating control strategy according to described first signal of telecommunication, wherein, described control strategy is for controlling the running parameter of system.
Based on such scheme, described according to described first signal of telecommunication generation control strategy, including:
When described first signal of telecommunication shows that the first voltage that described power interface provides is less than preset voltage value, generate described control strategy；Wherein, described control strategy is used for reducing system power dissipation.
Based on such scheme, described method also include following at least one:
According to described control strategy, reduce the operating frequency of system；
According to described control strategy, reduce operating current；
According to described control strategy, close the one or more application run.
Based on such scheme, described method also includes:
Before carrying out described system power supply, utilize the built-in power of electronic equipment, provide the second voltage to the second circuit including described detecing element and described power interface；
The signal of telecommunication of described detection detecing element, including:
Detect second signal of telecommunication formed under the effect of described second voltage on described detecing element；
Described according to the described signal of telecommunication, control the system power supply that power interface is provided by described detecing element, including:
Point out according to described second signal of telecommunication output power supply or determine whether to carry out described system power supply.
Based on such scheme, described according to described second signal of telecommunication output power supply prompting, including:
When described second signal of telecommunication shows the electric current of second circuit more than pre-set current value, output stops the exception powered of described power interface and powers prompting.
Charging circuit, electronic equipment and the information processing method that the embodiment of the present invention provides, solves the problems referred to above at least partly, adds detecing element, detection unit and processing unit in the charge circuit, and detecting unit will form the signal of telecommunication under voltage effect；The signal of telecommunication of detection unit detection detecing element；Processing unit is capable of determining that whether have exception according to the signal of telecommunication, and then control system power supply or generate control strategy, the running parameter of system is controlled by control strategy, so can reduce the exception in power interface or charging process, the phenomenon such as charge fault that the system caused is automatically switched off or power interface short circuit causes.
Accompanying drawing explanation
The schematic diagram of the first charging circuit that Fig. 1 provides for the embodiment of the present invention；
The schematic diagram of the second charging circuit that Fig. 2 provides for the embodiment of the present invention；
The relation schematic diagram of voltage, electric current and power that Fig. 3 provides for the embodiment of the present invention；
The schematic diagram of the first charging circuit that Fig. 4 provides for the embodiment of the present invention；
The schematic flow sheet of a kind of information processing method that Fig. 5 provides for the embodiment of the present invention；
The schematic diagram of the third charging circuit that Fig. 6 provides for the embodiment of the present invention；
The schematic diagram of the 4th kind of charging circuit that Fig. 7 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment technical scheme done and further elaborate.
Embodiment one:
As it is shown in figure 1, the present embodiment provides a kind of charging circuit, including:
Power interface 110, it is possible to for being connected with power supply unit；
Detecing element 120, including the first end and the second end；Wherein, described first end is connected with described power interface 110, and described second end is connected to the first circuit；Wherein, described first circuit carries out system power supply for described power interface 110 by described detecing element 120；
Detection unit 130, is connected with described detecing element 120, for detecting the signal of telecommunication acting on described detecing element 120；
Processing unit 140, is connected with described detection unit 130, for controlling described system power supply according to the described signal of telecommunication or generating control strategy；Wherein, described control strategy is for controlling the running parameter of system.
The present embodiment provides a kind of charging circuit, and this charging circuit for being applied in various charging device, or can be applied in the electronic equipment of electric energy supply.Described power interface 110 can be Type-C interface or various types of power interfaces such as pin hole charging connection mouth or direct current input DC-in interface.Described power supply unit can be include power supply adaptor etc. to be connected to the equipment of external power source.
Described detecing element 120 can be various types of electronic devices and components in the present embodiment.Described detecing element 120 can include various impedor, for instance, resistance.Described first end can make the input of described detecing element 120；Described second end can as the outfan of described detecing element 120.Described first end is connected with power interface 110, and the second end is connected to the first circuit；If then representing and having power supply to pass through described power interface 110 when providing power supply, electric current can pass through described power interface 110 flow through described detecing element 120 from described first end, and exports from the second end of described detecing element 120, enters into described first circuit.The resistance value of usual described detecing element 120, less than predetermined threshold value, thus can reduce the power consumption that described detecing element 120 consumes as much as possible.
Described detection unit 130 can be detect the signal of telecommunication on described detecing element 120.The described signal of telecommunication can be flow through described detecing element 120 electric current can also believe by the voltage for acting on described detecing element 120 two ends.Detect unit 130 described in the present embodiment and can include current detecting unit or voltage detection unit.Described detection unit 130 may correspond to charging chip, is provided with the device of detection curtage in charging chip.
Described detection unit 130 may correspond to charging chip, is provided with the device of detection curtage in charging chip.
Described processing unit 140 can include all kinds can carry out the structure of information processing, for instance, microprocessor, application processor, digital signal processor or programmable array etc..Can be embedded controller (EmbeddedController, EC) at processing unit described in the present embodiment 140.
Described processing unit 140 can control the system power supply that undertaken by described first circuit or by generating control strategy according to the described signal of telecommunication in the present embodiment, controls the running parameter of system.Described system can be the running parameter of electronic equipment in the present embodiment.
Described power supply unit can be include power supply adaptor etc. to be connected to the equipment of external power source.
Charging circuit described in the present embodiment, can according to the setting of detecing element 120 and detection unit 130, can detect that current power supply unit is by the power interface 110 state to power electronic equipment, then processing unit 140 just can adjust system power supply or the running parameter of the system of adjustment in time according to the signal of telecommunication of detection unit 130 detection, reduces the abnormal phenomena caused in power supply.
Embodiment two:
As it is shown in figure 1, the present embodiment provides a kind of charging circuit, including:
Power interface 110, it is possible to for being connected with power supply unit；
Detecing element 120, including the first end and the second end；Wherein, described first end is connected with described power interface 110, and described second end is connected to the first circuit；Wherein, described first circuit carries out system power supply for described power interface 110 by described detecing element 120；
Detection unit 130, is connected with described detecing element 120, for detecting the signal of telecommunication acting on described detecing element 120；
Processing unit 140, is connected with described detection unit 130, for controlling described system power supply according to the described signal of telecommunication or generating control strategy；Wherein, described control strategy is for controlling the running parameter of system.
As in figure 2 it is shown, described detection unit 130, for detecting first signal of telecommunication of formation under the effect of the first voltage that described detecing element 120 provides at described power interface 110；The sense of current is to flow through detecing element 120 from power interface to enter into the first circuit, carries out system power supply.What dotted arrow represented in fig. 2 is the described sense of current.
Described processing unit 140, specifically for according to described first signal of telecommunication, generating control strategy, wherein, described control strategy is for controlling the running parameter of system.
Detecing element 120 described in the present embodiment, under the first voltage that described power interface 120 provides, forms the signal of telecommunication.The signal of telecommunication of described detecing element 120 is called first signal of telecommunication in the present embodiment.Described first signal of telecommunication can be described power interface 120 electric current on described detecing element 120 or be applied to the voltage on described detecing element 120 when inputting a voltage.
Described processing unit 140 can generate control strategy according to described first signal of telecommunication, controls the running parameter of system.Described system can be the running parameter of electronic equipment in the present embodiment.
Charging circuit described in the present embodiment, can according to the setting of detecing element 120 and detection unit 130, can detect that current power supply unit is by the power interface 110 state to power electronic equipment, then processing unit 140 just can adjust the running parameter of system in time according to first signal of telecommunication of detection unit 130 detection, reduces the abnormal phenomena caused in power supply.
Embodiment three:
As it is shown in figure 1, the present embodiment provides a kind of charging circuit, including:
Power interface 110, it is possible to for being connected with power supply unit；
Detecing element 120, including the first end and the second end；Wherein, described first end is connected with described power interface 110, and described second end is connected to the first circuit；Wherein, described first circuit carries out system power supply for described power interface 110 by described detecing element 120；
Detection unit 130, is connected with described detecing element 120, for detecting the signal of telecommunication acting on described detecing element 120；
Processing unit 140, is connected with described detection unit 130, for controlling described system power supply according to the described signal of telecommunication or generating control strategy；Wherein, described control strategy is for controlling the running parameter of system.
As in figure 2 it is shown, described detection unit 130, for detecting first signal of telecommunication of formation under the effect of the first voltage that described detecing element 120 provides at described power interface 110；The sense of current is to flow through detecing element 120 from power interface to enter into the first circuit, carries out system power supply.
Described processing unit 140, specifically for according to described first signal of telecommunication, generating control strategy, wherein, described control strategy is for controlling the running parameter of system.
Described processing unit 140, specifically for when described first signal of telecommunication shows that the first voltage that described power interface 110 provides is less than preset voltage value, generating described control strategy；Wherein, described control strategy is used for reducing system power dissipation.
Power supply unit utilizes the voltage that described power interface 110 inputs, it is possible to can be bigger than normal or less than normal.For example, it is assumed that described power supply unit is adapter, adapter occurs abnormal, causes that supply voltage is excessive and obviously also results in exception.But causing abnormal electrical power supply under normal circumstances: the system power consumption of electronic equipment is excessive, the voltage that the power supply unit causing output certain is exported by power interface 110 is too small.But the too small system that may result in of voltage is because of the running voltage phenomenon occurring being automatically switched off less than normal, for instance, there are the phenomenons such as automatic shutdown in the computer etc. as electronic equipment.
According to described first signal of telecommunication, described processing unit 140 in the present embodiment, mainly determines that whether the first voltage that power interface 110 provides is less than preset voltage value.Such as, the rated operational voltage of system is 5V, and the voltage that the system that may result in is automatically switched off is 4.7V, and described preset voltage value can be set in advance in the magnitude of voltage within described processing unit 140.Such as, described preset voltage value is 4.8V.If the minimum voltage led to system abnormity in the present embodiment is A, then described preset voltage value is slightly over the preset value of described A in the present embodiment, this makes it possible to guarantee at electronic equipment because running voltage on the low side cause abnormal before, generation by the adjustment of processing unit and control strategy, make the voltage that power interface 110 inputs return to running voltage timely, reduce the abnormal frequency occurred.
Comprise the steps that when whether the first voltage that described power interface 110 provides is less than preset voltage value determining at processing unit described in the present embodiment 140
With described first signal of telecommunication for inquiry foundation, inquiry pre-sets mapping relations between the first voltage and first signal of telecommunication, if finding, the first voltage that the first current signal of telecommunication is corresponding is less than described pre-set current value, generates control strategy, control the running parameter of described system, reduce the power consumption of system.Mapping relations between described first voltage and described first signal of telecommunication can be stored in advance in storage medium before dispatching from the factory for described electronic equipment in the present embodiment；Obviously so can easy minimizing because system power dissipation is excessive, and the power supply unit that power consumption is wired, cause that because system power dissipation is excessive the running voltage being supplied to system is too low, and then the system caused such as be automatically switched off at the appearance of abnormal phenomena.
Embodiment four:
As it is shown in figure 1, the present embodiment provides a kind of charging circuit, including:
Power interface 110, it is possible to for being connected with power supply unit；
Detecing element 120, including the first end and the second end；Wherein, described first end is connected with described power interface 110, and described second end is connected to the first circuit；Wherein, described first circuit carries out system power supply for described power interface 110 by described detecing element 120；
Detection unit 130, is connected with described detecing element 120, for detecting the signal of telecommunication acting on described detecing element 120；
Processing unit 140, is connected with described detection unit 130, for controlling described system power supply according to the described signal of telecommunication or generating control strategy；Wherein, described control strategy is for controlling the running parameter of system.
As in figure 2 it is shown, described detection unit 130, for detecting first signal of telecommunication of formation under the effect of the first voltage that described detecing element 120 provides at described power interface 110；The sense of current is to flow through detecing element 120 from power interface to enter into the first circuit, carries out system power supply.
Described processing unit 140, specifically for according to described first signal of telecommunication, generating control strategy, wherein, described control strategy is for controlling the running parameter of system.
Described processing unit 140, specifically for when described first signal of telecommunication shows that the first voltage that described power interface 110 provides is less than preset voltage value, generating described control strategy；Wherein, described control strategy is used for reducing system power dissipation.
Described control strategy, it is possible to be used for controlling system reduce operating frequency and/or, reduce operating current, and/or close described system and run one or more application.
If generally the operating frequency of system is more high, then the power consumption of system is more big, and described control strategy can be frequency adjustable strategies in the present embodiment, it is possible to controls system and reduces operating frequency, realizes the reduction of power consumption by reducing the operating frequency of system.
The power consumption of system is the running voltage product with operating current of system, when the power limited that power supply unit provides, reduces the operating current of system, it is clear that can reduce the power consumption of system.Therefore the control strategy described in the present embodiment can be electric current adjustable strategies.
System is operationally likely to open a lot of application simultaneously, safeguards the duty of these application, is required for consuming certain power consumption, and described control strategy can be application state adjustable strategies in the present embodiment, it is possible to for closing the application of one or more operation.
Described application state adjustable strategies may be used to indicate that the application of closedown, when determining which application of selection is closed, it is possible to the application that the prioritizing selection user operation frequency is relatively low.Containing precedence information at described electronic equipment internal memory, this precedence information can be used for the application of electronic equipment is divided into two or more priority, when selecting application to close, and the application closedown that prioritizing selection priority is relatively low.The setting of described precedence information may be based on user's generation at least；Can also the function that provides according to application of electronic equipment whether based on function or optimize what function was arranged voluntarily.The mode arranging priority in a word has a variety of, is not just repeated at this.
Fig. 3 is the corresponding relation figure of voltage, electric current and power.What in Fig. 3, transverse axis represented is electric current, corresponding to the operating current of system in the present embodiment；The voltage that the longitudinal axis on the left side represents, corresponding to the first voltage that the running voltage of system in the present embodiment and power interface 110 provide；The longitudinal axis on the right represent for power, corresponding to the power that the power of system in the present embodiment and power supply unit provide.
As can be seen from Figure 3, the available peak power of power supply unit is 16V, and the rated operational voltage of system is 5V, and shutdown running voltage is less than 4.7V.Obviously, before the running voltage (i.e. described first voltage) of system is less than 5V, the operating current of system is more big, then the power consumption of system is more big；If the operating current of system continues to increase, owing to the available maximum power dissipation of power supply unit is 16W, it will cause that described first voltage declines, it is possible to can cause that the running voltage of system drops to below 4.7V.Utilize the information processing method described in the present embodiment, just can pass through to detect the unit 130 detection to first signal of telecommunication on detecing element 120, generate control strategy, to reduce the power consumption of system, it is to avoid the running voltage of system drops to below 4.7V and causes system automatic shutdown.
In a word, the processing unit 140 generation by control strategy described in the present embodiment, it is possible to convenient effectively reduce system power dissipation.
Embodiment five:
As it is shown in figure 1, the present embodiment provides a kind of charging circuit, including:
Power interface 110, it is possible to for being connected with power supply unit；
Detecing element 120, including the first end and the second end；Wherein, described first end is connected with described power interface 110, and described second end is connected to the first circuit；Wherein, described first circuit carries out system power supply for described power interface 110 by described detecing element 120；
Detection unit 130, is connected with described detecing element 120, for detecting the signal of telecommunication acting on described detecing element 120；
Processing unit 140, is connected with described detection unit 130, for controlling described system power supply according to the described signal of telecommunication or generating control strategy；Wherein, described control strategy is for controlling the running parameter of system.
Built-in power 150, is connected formation second circuit with described detecing element 120 and described power interface 110, for, before described power interface 110 provides described system power supply, providing the second voltage to described second circuit；
Described detection unit 130, is additionally operable to detect second signal of telecommunication formed under the effect of described second voltage on described detecing element 120；
Described processing unit 140, is additionally operable to according to described second signal of telecommunication output power supply prompting or determines whether to carry out described system power supply.
Built-in power described in the present embodiment can be the battery being arranged on electronic equipment, and battery here can be the disposable battery such as rechargeable battery or aneroid battery.
Before described power interface 110 provides described system power supply, during in order to prevent power interface 110 from short circuit occurring, still utilize the problem that these power interface chargings can damage electronic equipment.Begin with built-in power 150 in the present embodiment described detecing element 120 and described power interface 110 are powered.If there is the short circuit phenomenon such as overlap joint between pin in described power interface 110, then described detecing element 120 will appear from bigger electric current, if described power interface 110 is without exception, the circuit that then built-in power 150, detecing element 120 and described power interface 110 are formed is in off state, electric current on described detecing element 120 will be very little, and the voltage difference at described detecing element 120 two ends is just infinitely small.Described detection unit 130 utilizes this characteristic in the present embodiment, detects second signal of telecommunication that described detecing element 120 is formed under the second voltage effect that described built-in power 150 provides, and described second signal of telecommunication is transferred to described processing unit 140.According to described second signal of telecommunication, described processing unit 140 will determine that whether presently described power interface 110 is normal.
Described processing unit 140 can be used for according to described second signal of telecommunication output power supply prompting or the power supply controlling system in the present embodiment.Here power supply prompting, it may include prompting power interface 110 is abnormal, current power interface is abnormal to facilitate user to know, the connection of deenergization interface 110 and power supply unit, it is to avoid electronic equipment is because the exception of power interface continues the exception that power supply causes.Here power supply prompting can be the text prompt of display, it is also possible to be abnormal light prompt or alarm tone prompting.
Certainly, described processing unit can be additionally used in and directly controls described system power supply according to described second signal of telecommunication in the present embodiment.Such as; one controlled switch is set between described power interface and the first circuit, when described processing unit 140 determines that power interface 110 is abnormal, directly controls described controlled switch and be off; obviously the system power supply of power interface 110 can just be refused, thus protecting electronic equipment.
In a word, the charging circuit described in the present embodiment, it is also possible to for whether detection power interface 110 voluntarily exception occurs, it is possible to better protect electronic equipment, extend the life-span of electronic equipment.It should be noted that: the electronic equipment that the present embodiment provides be the electronic equipment provided in aforementioned any embodiment basis on improve further, described electronic equipment in the present embodiment, described processing unit 140 can be additionally used in when system power supply, control strategy is generated according to first signal of telecommunication, to control the running parameter of system, it is to avoid problems such as the automatic shutdowns that system occurs because of abnormal electrical power supply.
As further improvement of this embodiment, described processing unit 140, during specifically for showing that when described second signal of telecommunication electric current of second circuit is more than pre-set current value, output stops the exception that described power interface powers and powers prompting.Certain described power supply prompting can include normal power supply prompting and abnormal prompting of powering; in the present embodiment when described second signal of telecommunication shows that the electric current of second circuit is more than pre-set current value; output abnormality is powered prompting; when such user sees described abnormal power supply prompting; will appreciate that and described power interface currently can not be utilized to be charged; otherwise may arrive the fault of child's electronic equipment, better the electronic equipment of protection.
Embodiment six:
As it is shown in figure 1, the present embodiment provides a kind of charging circuit, including:
Power interface 110, it is possible to for being connected with power supply unit；
Detecing element 120, including the first end and the second end；Wherein, described first end is connected with described power interface 110, and described second end is connected to the first circuit；Wherein, described first circuit carries out system power supply for described power interface 110 by described detecing element 120；
Detection unit 130, is connected with described detecing element 120, for detecting the signal of telecommunication acting on described detecing element 120；
Processing unit 140, is connected with described detection unit 130, for controlling described system power supply according to the described signal of telecommunication or generating control strategy；Wherein, described control strategy is for controlling the running parameter of system.
As shown in Figure 4, described circuit also includes:
Built-in power 150, is connected formation second circuit with described detecing element 120 and described power interface 110, for, before described power interface 110 provides described system power supply, providing the second voltage to described second circuit；What in Fig. 4, dotted arrow represented is the sense of current.
Described detection unit 130, is additionally operable to detect second signal of telecommunication formed under the effect of described second voltage on described detecing element 120；
Described processing unit 140, is additionally operable to according to described second signal of telecommunication output power supply prompting or determines whether to carry out described system power supply.
As shown in Figure 4, described charging circuit also includes:
Impedor 160, one end is connected with described detecing element 120, other end ground connection；
Described detecing element 130, for when, before carrying out described system power supply, turning on described impedor 160 and the connection of described detecing element 120, disconnect described first circuit；Wherein, described second voltage also acts on described detecing element 120 and the circuit of described impedor 130 connection formation；
Described processing unit 140, specifically for when described second signal of telecommunication characterizes described power interface 110 exception, disconnecting described first circuit；When described second signal of telecommunication shows that described power interface is normal, turn on described first circuit.
Described charging circuit also introduces impedor 160 in the present embodiment, this impedor 160 one end ground connection, if there are the exceptions such as short circuit in power interface 110, most of electric current on described detecing element 120 all can flow through described power interface 110 place circuit, so can cause occurring on detecing element 120 bigger circuit.If described power interface 110 is normal, then the electric current that described second voltage is formed can pass through described impedor 160 and enter the ground plane of earth point or electronic equipment.
Described processing unit 140 in the present embodiment, specifically for determining that power interface 110 is abnormal according to second signal of telecommunication, will disconnect described first circuit or maintains the disconnection of described first circuit；Described power interface 110 normally then turns on described first circuit.
Under normal circumstances, described impedor 160 can be the resistance value resistance more than predetermined resistance.In concrete implementation process, a controlled switch can also be provided with between described impedor 160 and described detecing element 120, described processing unit 140, also by when being used for the detection carrying out power interface 110, turn on described detecing element 120 and described impedor 160, when carrying out described system power supply, disconnect described impedor 160 and described detecing element 120, the power consumption that impedor 160 during to reduce system power supply consumes, reduces the overall power of electronic equipment.
Embodiment seven:
The present embodiment provides a kind of electronic equipment, and this electronic equipment includes implementing the charging circuit that any one technical scheme of one to embodiment seven provides.
The electronic equipment that the present embodiment provides can include the various electronic equipments such as desktop computer, notebook computer, panel computer.Described charging circuit can be used for providing energy consumption for described electronic equipment.Owing to utilizing the power interface mentioned in embodiment one to embodiment, can reduce because the abnormal electronic equipment automatic shutdown caused of running voltage of power interface offer etc. are abnormal on the one hand, another aspect can also reduce the problems such as the damage of the abnormal electronic equipment caused of power interface itself, extends the life-span of electronic equipment.
Embodiment eight:
As described in Figure 5, the present embodiment provides a kind of information processing method, including:
Step S110: the signal of telecommunication of detection detecing element；
Step S120: according to the described signal of telecommunication, controls system power supply or generation control strategy that power interface is provided by described detecing element；Wherein, described control strategy is for controlling the running parameter of system.
The present embodiment provides a kind of information processing method, can be used in electronic equipment charging process.Described step S110 will detect the signal of telecommunication of described detecing element.Here detecing element can for the detecing element described in aforementioned any embodiment.The described signal of telecommunication can be current signal or voltage signal, can characterize whether the voltage currently acted on described detecing element is normal or whether described detecing element place circuit is normal in a word.
According to the described signal of telecommunication, power interface will be controlled and carries out system power supply by described detecing element, or generate the running parameter of control strategy control system in the step s 120.Information processing method described in obvious the present embodiment, it is possible to the easy signal of telecommunication according to detecing element, controls system power supply, reduces the exception of system power supply exception or the too high electronic equipment caused of system power dissipation.
Embodiment nine:
As described in Figure 5, the present embodiment provides a kind of information processing method, including:
Step S110: the signal of telecommunication of detection detecing element；
Step S120: according to the described signal of telecommunication, controls system power supply or generation control strategy that power interface is provided by described detecing element；Wherein, described control strategy is for controlling the running parameter of system.
Described step S110 comprises the steps that the first voltage detecting the offer of described power interface acts on first signal of telecommunication that detecing element is formed；Comprising the steps that according to described signal of telecommunication generation control strategy in described step S120 generates control strategy according to described first signal of telecommunication, and wherein, described control strategy is for controlling the running parameter of system.The signal of telecommunication of described detecing element is that the first voltage effect provided due to power interface is formed in the present embodiment.What detect in described step S110 in the present embodiment is first signal of telecommunication, will generate control strategy according to first signal of telecommunication in described step S120, and this control strategy is mainly used in the running parameter of control system；By the control of the running parameter of system, thus realizing the control of the power consumption to system.
As further improvement of this embodiment, described step S120 specifically comprises the steps that when described first signal of telecommunication shows that the first voltage that described power interface provides is less than preset voltage value, generates described control strategy；Wherein, described control strategy is used for reducing system power dissipation.Adopt the information processing method described in the present embodiment, it is possible to reduce the available power consumption of power supply unit that power interface connects is certain, and when powder consumption of electronic equipment is excessive, causes the too small phenomenon that described system is automatically switched off of running voltage that power interface inputs.
Embodiment ten:
As described in Figure 5, the present embodiment provides a kind of information processing method, including:
Step S110: the signal of telecommunication of detection detecing element；
Step S120: according to the described signal of telecommunication, controls system power supply or generation control strategy that power interface is provided by described detecing element；Wherein, described control strategy is for controlling the running parameter of system.
Described step S110 comprises the steps that the first voltage detecting the offer of described power interface acts on first signal of telecommunication that detecing element is formed；Comprising the steps that according to described signal of telecommunication generation control strategy in described step S120 generates control strategy according to described first signal of telecommunication, and wherein, described control strategy is for controlling the running parameter of system.
Described step S120 specifically comprises the steps that when described first signal of telecommunication shows that the first voltage that described power interface provides is less than preset voltage value, generates described control strategy；Wherein, described control strategy is used for reducing system power dissipation.
Described method also include following at least one:
According to described control strategy, reduce the operating frequency of system；
According to described control strategy, reduce operating current；
According to described control strategy, close the one or more application run.
Described control strategy can be used for reducing system power dissipation in the present embodiment, and the mode reducing system power dissipation in the present embodiment has multiple, above-mentioned for several optional implementations:
Optional mode one:
Described control strategy can be frequency adjustable strategies, it is possible to for adjusting the operating frequency of system；Therefore the described method in optional mode one may also include that the operating frequency reducing system according to described control strategy.Here system at least can include the operating system of electronic equipment, so obviously can realize the attenuating of system power dissipation.
Optional mode two:
Described control strategy can be electric current adjustable strategies, can be used in the operating circuit of adjustment system, therefore the described method in optional mode one may also include that the operating current reducing system according to described control strategy, the operating current that system is given reduces, obviously the power consumption of system can be reduced when the running voltage of system is constant, if the power consumption of system is constant, it is clear that the running voltage of system can get a promotion, it is possible to the easy running voltage system caused less than normal of avoiding is automatically switched off phenomenon.
Optional mode three:
Described control strategy can be application state adjustable strategies, can be used in the state of application in adjustment system, therefore the described method in optional mode three may also include that the application closing one or more operations, reduce the power consumption of system, thus avoid running voltage that power interface input through a step reduction.
In a word, information processing method described in the present embodiment, also according to described control strategy, will perform one or more in optional mode three of above-mentioned optional mode one, thus reducing system power dissipation, minimizing is the too high system failure caused of system power dissipation because of the limited power consumption of power interface offer.
Embodiment 11:
As described in Figure 5, the present embodiment provides a kind of information processing method, including:
Step S110: the signal of telecommunication of detection detecing element；
Step S120: according to the described signal of telecommunication, controls system power supply or generation control strategy that power interface is provided by described detecing element；Wherein, described control strategy is for controlling the running parameter of system.
Described step S110 comprises the steps that the first voltage detecting the offer of described power interface acts on first signal of telecommunication that detecing element is formed；Comprising the steps that according to described signal of telecommunication generation control strategy in described step S120 generates control strategy according to described first signal of telecommunication, and wherein, described control strategy is for controlling the running parameter of system.
Described method also includes:
Before carrying out described system power supply, utilize the built-in power of electronic equipment, provide the second voltage to the second circuit including described detecing element and described power interface；
Described step S110 comprises the steps that and detects second signal of telecommunication formed under the effect of described second voltage on described detecing element；
Described step S120 comprises the steps that according to described second signal of telecommunication output power supply prompting or determines whether to carry out described system power supply.
In the present embodiment before the system power supply described in aforementioned any embodiment, the built-in power in electronic equipment can be utilized to provide the second voltage to second circuit, such detecing element can form the signal of telecommunication of correspondence under the effect of the second voltage, if there is the short circuit phenomenon such as overlap joint before pin in current power interface, then may result in second circuit conducting, it is likely on detecing element just can to detect obtain bigger circuit, then in the step s 120 the abnormal electrical power supply corresponding according to the second signal of telecommunication output is pointed out or determined and do not carry out system power supply, avoid power interface abnormal causing that electronic equipment is damaged.Certainly, when the electric current that second point signal represents on detecing element is less, exports power supply regular prompt or determine system power supply.
Obviously, the information processing method described in the present embodiment, it may also be used for carry out whether power interface detects normally, it is possible to reduce the exception that electronic equipment causes because of charging.
It should be noted that: the present embodiment is the further improvement on any one embodiment basis aforementioned, be able to composition mutually when not conflicting and form new technical scheme.
Embodiment 12:
As described in Figure 5, the present embodiment provides a kind of information processing method, including:
Step S110: the signal of telecommunication of detection detecing element；
Step S120: according to the described signal of telecommunication, controls system power supply or generation control strategy that power interface is provided by described detecing element；Wherein, described control strategy is for controlling the running parameter of system.
Described step S110 comprises the steps that the first voltage detecting the offer of described power interface acts on first signal of telecommunication that detecing element is formed；Comprising the steps that according to described signal of telecommunication generation control strategy in described step S120 generates control strategy according to described first signal of telecommunication, and wherein, described control strategy is for controlling the running parameter of system.
Described method also includes:
Before carrying out described system power supply, utilize the built-in power of electronic equipment, provide the second voltage to the second circuit including described detecing element and described power interface；
Described step S110 comprises the steps that and detects second signal of telecommunication formed under the effect of described second voltage on described detecing element；
Described step S120 comprises the steps that according to described second signal of telecommunication output power supply prompting or determines whether to carry out described system power supply.
In described step S120, output power supply prompting includes: when described second signal of telecommunication shows the electric current of second circuit more than pre-set current value, and output stops the exception powered of described power interface and powers prompting.
When being powered the output of prompting in the present embodiment, it is possible to adopt the prompting of light prompt, alarm tone or text image prompting, in a word, it is possible to adopt various prompting mode, it is provided that abnormal electrical power supply；The problems such as the electronic failure that reducing charges because of the abnormal continuation of power interface causes.
Two concrete examples are provided below in conjunction with above-described embodiment:
Example one:
As shown in Figure 6, this example provides a kind of charging circuit, including:
Type-C interface, for the one of power interface 110.
R1, is connected on the circuit of Type-C and system power supply, corresponding to aforesaid detecing element 120.
Charging IC, described IC are the abbreviation of integratedcircuit, and Chinese is integrated circuit；Corresponding to aforesaid detection unit 130.
EC, is connected by universal serial bus with IC, corresponding to aforesaid processing unit 140.
When utilizing Type-C interface to charge, charging IC detects the electric current on R1, and the electric current of detection is transferred to EC, the EC electric current according to detection, it is determined that go out the current power consumption of system；Relatively current power consumption and the highest power consumption being previously written；If current power consumption has been the highest power consumption of system, or with the difference of the highest power consumption of the highest power consumption of system less than preset difference value threshold value, then controls system and reduce operating frequency, or close one or more application, or directly descend the operating current of adjusting system.
Example two:
As it is shown in fig. 7, this example provides a kind of charging circuit, including:
Type-C interface, for the one of described power interface 110.
DC-in interface, for another kind of described power interface 110.
R1, is connected on the circuit of power interface 110 and system power supply, corresponding to aforesaid detecing element 120.
R2, one end is connected with R1, other end ground connection；The resistance that usually an impedance is bigger.
Charging IC, described IC are the abbreviation of integratedcircuit, and Chinese is integrated circuit；Corresponding to aforesaid detection unit 130.
Also have unshowned power supply and the structure such as controller or processor in the figure 7.Described power supply may correspond to aforesaid built-in power；Described processor or controller may correspond to aforesaid processing unit, for instance, EC.
Before carrying out system power supply, EC controls R1 and R2 conducting, by built-in power from R1 respectively to R2 Type-C interface and DC-in interface direction power.Charging IC detects the electric current on R1.The EC current value size according to the electric current on R1, it is determined that the short circuit whether Type-C interface and DC-in interface occur.
In several embodiments provided herein, it should be understood that disclosed equipment and method, it is possible to realize by another way.Apparatus embodiments described above is merely schematic, such as, the division of described unit, it is only a kind of logic function to divide, actual can have other dividing mode when realizing, and as: multiple unit or assembly can be in conjunction with, or is desirably integrated into another system, or some features can ignore, or do not perform.It addition, the coupling each other of shown or discussed each ingredient or direct-coupling or communication connection can be through INDIRECT COUPLING or the communication connection of some interfaces, equipment or unit, it is possible to be electrical, machinery or other form.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, namely may be located at a place, it is also possible to be distributed on multiple NE；Part or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in various embodiments of the present invention can be fully integrated in a processing module, it is also possible to be that each unit is individually as a unit, it is also possible to two or more unit are integrated in a unit；Above-mentioned integrated unit both can adopt the form of hardware to realize, it would however also be possible to employ hardware adds the form of SFU software functional unit and realizes.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer read/write memory medium, this program upon execution, performs to include the step of said method embodiment；And aforesaid storage medium includes: movable storage device, read only memory (ROM, Read-OnlyMemory), the various media that can store program code such as random access memory (RAM, RandomAccessMemory), magnetic disc or CD.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (14)
1. a charging circuit, it is characterised in that including:
Power interface, it is possible to be connected with power supply unit；
Detecing element, including the first end and the second end；Wherein, described first end is connected with described power interface, and described second end is connected to the first circuit；Wherein, described first circuit carries out system power supply for described power interface by described detecing element；
Detection unit, is connected with described detecing element, for detecting the signal of telecommunication acting on described detecing element；
Processing unit, is connected with described detection unit, for controlling described system power supply according to the described signal of telecommunication or generating control strategy；Wherein, described control strategy is for controlling the running parameter of system.
2. charging circuit according to claim 1, it is characterised in that
Described detection unit, specifically for detecting first signal of telecommunication formed under the effect of the first voltage that described detecing element provides at described power interface；
Described processing unit, specifically for generating control strategy according to described first signal of telecommunication, wherein, described control strategy is for controlling the running parameter of system.
3. circuit according to claim 2, it is characterised in that
Described processing unit, specifically for when described first signal of telecommunication shows that the first voltage that described power interface provides is less than preset voltage value, generating described control strategy；Wherein, described control strategy is used for reducing system power dissipation.
4. circuit according to claim 3, it is characterised in that
Described control strategy, it is possible to be used for controlling system reduce operating frequency and/or, reduce the operating current of described system, and/or close described system and run one or more application.
5. circuit according to claim 1, it is characterised in that
Described circuit also includes:
Built-in power, is connected formation second circuit with described detecing element and described power interface, before providing described system power supply at described power interface, provides the second voltage to described second circuit；
Described detection unit, is additionally operable to detect second signal of telecommunication formed under the effect of described second voltage on described detecing element；
Described processing unit, is additionally operable to according to described second signal of telecommunication output power supply prompting or determines whether to carry out described system power supply.
6. circuit described in 5 as requested, it is characterised in that
Described processing unit, during specifically for showing that when described second signal of telecommunication electric current of second circuit is more than pre-set current value, output stops the exception that described power interface powers and powers prompting.
7. circuit according to claim 5, it is characterised in that
Described charging circuit also includes:
Impedor, one end is connected with described detecing element 120, other end ground connection；
Described detecing element, for when, before carrying out described system power supply, turning on the connection of described impedor and described detecing element, disconnect described first circuit；Wherein, described second voltage also acts on described detecing element and the circuit of described impedor connection formation；
Described processing unit, specifically for when described second signal of telecommunication characterizes described power interface exception, disconnecting described first circuit；When described second signal of telecommunication shows that described power interface is normal, turn on described first circuit.
8. an electronic equipment, it is characterised in that include the charging circuit described in any one of claim 1 to 7.
9. an information processing method, including:
The signal of telecommunication of detection detecing element；
According to the described signal of telecommunication, control system power supply or generation control strategy that power interface is provided by described detecing element；Wherein, described control strategy is for controlling the running parameter of system.
10. method according to claim 9, it is characterised in that
The signal of telecommunication of described detection detecing element, including:
The first voltage that detecting described power interface provides acts on first signal of telecommunication that detecing element is formed；
Described according to the described signal of telecommunication, generate control strategy, including:
Generating control strategy according to described first signal of telecommunication, wherein, described control strategy is for controlling the running parameter of system.
11. method according to claim 6, it is characterised in that
Described according to described first signal of telecommunication generation control strategy, including:
When described first signal of telecommunication shows that the first voltage that described power interface provides is less than preset voltage value, generate described control strategy；Wherein, described control strategy is used for reducing system power dissipation.
12. method according to claim 11, it is characterised in that
Described method also include following at least one:
According to described control strategy, reduce the operating frequency of system；
According to described control strategy, reduce operating current；
According to described control strategy, close the one or more application run.
13. method according to claim 9, it is characterised in that
Described method also includes:
Before carrying out described system power supply, utilize the built-in power of electronic equipment, provide the second voltage to the second circuit including described detecing element and described power interface；
The signal of telecommunication of described detection detecing element, including:
Detect second signal of telecommunication formed under the effect of described second voltage on described detecing element；
Described according to the described signal of telecommunication, control the system power supply that power interface is provided by described detecing element, including:
Point out according to described second signal of telecommunication output power supply or determine whether to carry out described system power supply.
14. method according to claim 13, it is characterised in that
Described according to described second signal of telecommunication output power supply prompting, including:
When described second signal of telecommunication shows the electric current of second circuit more than pre-set current value, output stops the exception powered of described power interface and powers prompting.
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| CN105790360B (en) | 2020-03-24 |
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