CN104253456A - Charging apparatus, power supply method, terminal device and charging method - Google Patents
Charging apparatus, power supply method, terminal device and charging method Download PDFInfo
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- CN104253456A CN104253456A CN201310262709.4A CN201310262709A CN104253456A CN 104253456 A CN104253456 A CN 104253456A CN 201310262709 A CN201310262709 A CN 201310262709A CN 104253456 A CN104253456 A CN 104253456A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The embodiment of the invention discloses a charging apparatus. An output matching circuit of the charging apparatus includes the following components of: a first communication module which establishes a communication connection with a communication module of a terminal device, and receives a parameter configuration request message which is sent by the terminal device and includes a rated parameter value of the terminal device, and sends the parameter configuration request message to a processing module; the processing module which sets an output value matched with the terminal device according to the rated parameter value; and a switching power source which is used for adjusting the output of the charging apparatus so as to make the output equal to the output value matched with the terminal device. The embodiment of the invention also provides a power supply method, a terminal device and a charging method. With the charging apparatus, power supply method, terminal device and charging method of the embodiment of the invention, matched working voltage and current can be provided for different brands and categories of terminal devices, and the universalization of the charging apparatus can be realized, and environmental protection can be benefitted.
Description
Technical field
The present invention relates to terminal power supply technique field, particularly relate to a kind of charging device and method of supplying power to, terminal equipment and charging method.
Background technology
Terminal equipment generally uses rechargeable battery to provide electric energy.Rechargeable battery needs regular replenishment electricity, the required power supply of its charging generally by charger to 220V AC conversion.
As shown in Figure 1, be the charger operation schematic diagram of prior art.In prior art, 220V AC conversion is 5V direct voltage by charger 1a, exports terminal equipment 3a to by USB connecting line 2a, for the rechargeable battery of terminal equipment 3a charges.
Along with the continuous renewal of terminal equipment kind, and terminal equipment is day by day universal, and the generalization trend of charger more and more comes into one's own.Such as, suppose that certain user has mobile phone and a panel computer of two different brands, then this user at least needs three chargers, is respectively different terminal equipment chargings.
At present, a lot of terminal equipment all provides the charging inlet of standard, and in order to realize, charger is general to provide the foundation.But, because the voltage standard of the terminal equipment of different brands or kind is different, there is certain difference in the voltage therefore needed for each terminal equipment work or electric current, making the compatibility realized between each terminal equipment charger corresponding respectively still have thus must difficulty.
Therefore, in prior art, be difficult to realize compatible between the charger that the terminal equipment of different brands or kind is corresponding respectively, each user needs to have multiple charger and is respectively the charging of each terminal equipment, has both been unfavorable for that environmental protection did not utilize user to use yet.And user is when using charger, need carefully to distinguish terminal equipment that current needs charge corresponding be which charger, if careless mistake in, possibly because output voltage and electric current do not mate faults such as causing that terminal equipment burns, shorten the useful life of terminal equipment.
Summary of the invention
Embodiments provide a kind of charging device and method of supplying power to, terminal equipment and charging method, operating voltage and the electric current of coupling can be provided for the terminal equipment of different brands and kind, realize the generalization of charging device, be both conducive to environmental protection.
First aspect, provides a kind of charging device, and the voltage output end of described charging device is used for being connected with the charging end of terminal equipment by charge cable; Described charging device comprises output matching circuit; Wherein:
Described output matching circuit comprises: the first communication module, processing module and Switching Power Supply;
Described first communication module, for set up communication between the communication module of described terminal equipment and be connected; And receive the parameter-configuring request message of described terminal equipment transmission, be sent to described processing module; Described parameter-configuring request message comprises the nominal parameter value of described terminal equipment;
Described processing module, for according to described nominal parameter value, arranges the output valve of mating with described terminal equipment;
Described Switching Power Supply, equals described output valve of mating with described terminal equipment for regulating the output of described charging device.
In the first possible implementation of first aspect, the nominal parameter value of described terminal equipment is: the load voltage value of described terminal equipment and/or load current value.
In conjunction with the first possible implementation of first aspect and first aspect, in the implementation that the second of first aspect is possible, described parameter-configuring request message also comprises: the charging voltage value of the charging end current time of described terminal equipment;
Described output matching circuit also comprises: output detections module; Described output detections module, for detecting the output voltage values of the voltage output end current time of described charging device, and is sent to described processing module;
Described processing module, the difference that the charging voltage value that output voltage values also for calculating described charging device current time deducts described terminal equipment current time obtains, again the output voltage values of described charging device current time and the described difference of 2 times are sued for peace, output voltage values after being compensated, and using the output valve that the output voltage values after described compensation mates as described and described terminal equipment, be sent to described Switching Power Supply.
In conjunction with the implementation that the second of first aspect is possible, in the third possible implementation of first aspect, described processing module also for:
Relation between the output valve of more described coupling and default most high threshold, if the output valve of described coupling be more than or equal to described in most high threshold, then most high threshold described in the output valve of described coupling being set to, then export described Switching Power Supply to.
Second aspect, provides a kind of terminal equipment, and the charging end of described terminal equipment is used for being connected with the voltage output end of charging device by charge cable; Described terminal equipment comprises parameter feedback circuit; Wherein,
Described parameter feedback circuit comprises: the second communication module and parameter acquisition module;
Described second communication module, is connected for the communication of setting up between the communication module of described charging device;
Described parameter acquisition module, for obtaining the nominal parameter value of described terminal equipment, is sent to described second communication module;
Described second communication module, also for sending parameter-configuring request message to described charging device; Described parameter-configuring request message comprises the nominal parameter value of described terminal equipment.
In the first possible implementation of second aspect, the nominal parameter value of described terminal equipment is: the load voltage value of described terminal equipment and/or load current value.
In conjunction with the first possible implementation of second aspect and second aspect, in the implementation that the second of second aspect is possible, described parameter feedback circuit also comprises voltage detection module;
Described voltage detection module, for detecting the charging voltage value of the charging end current time of described terminal equipment, and is sent to described second communication module;
The charging voltage value of the charging end current time of described terminal equipment is also comprised in the parameter-configuring request message that described second communication module sends.
The third aspect, provides a kind of charging system, and described charging system comprises the possible terminal equipment described in implementation of any one of the possible charging device described in implementation of any one of first aspect and first aspect and second aspect and second aspect; The voltage output end of described charging device is connected by the charging end of charge cable with described terminal equipment.
Fourth aspect, provides a kind of method of supplying power to of charging device, and described method comprises:
The communication of setting up between described charging device and terminal equipment connects;
Receive the parameter-configuring request message that described terminal equipment sends; Described parameter-configuring request message comprises the nominal parameter value of described terminal equipment;
According to described nominal parameter value, the output valve of mating with described terminal equipment is set;
The output of described charging device is regulated to equal described output valve of mating with described terminal equipment.
In the first possible implementation of fourth aspect, the nominal parameter value of described terminal equipment is: the load voltage value of described terminal equipment and/or load current value.
In conjunction with the first possible implementation of fourth aspect and fourth aspect, in the implementation that the second of fourth aspect is possible, described parameter-configuring request message also comprises: the charging voltage value of the charging end current time of described terminal equipment;
Before the output valve that described setting is mated with described terminal equipment, described method also comprises: the output voltage values detecting the voltage output end current time of described charging device;
Then, the output valve that described setting is mated with described terminal equipment comprises: calculate the difference that output voltage values that described charging voltage value deducts described current time obtains; Again the output voltage values of described current time and the described difference of 2 times are sued for peace, the output voltage values after being compensated; Using the output valve that the output voltage values after described compensation mates as described and described terminal equipment.
In conjunction with the implementation that the second of fourth aspect is possible, in the third possible implementation of fourth aspect, before the output of the described charging device of described adjustment equals described output valve of mating with described terminal equipment, also comprise:
Relation between the output valve of more described coupling and default most high threshold, if the output valve of described coupling be more than or equal to described in most high threshold, then most high threshold described in the output valve of described coupling being set to.
5th aspect, provides a kind of charging method of terminal equipment, and described method comprises:
Set up described terminal equipment to be connected with the communication between charging device;
Obtain the nominal parameter value of described terminal equipment;
Send parameter-configuring request message to described charging device; Described parameter-configuring request message comprises the nominal parameter value of described terminal equipment.
In the first possible implementation in the 5th, the nominal parameter value of described terminal equipment is: the load voltage value of described terminal equipment and/or load current value.
In conjunction with the first possible implementation of the 5th aspect and the 5th aspect, in the implementation that the second in the 5th is possible, described method also comprises:
Detect the charging voltage value of the charging end current time of described terminal equipment;
The charging voltage value of the charging end current time of described terminal equipment is also comprised in described parameter-configuring request message.
In the embodiment of the present invention, terminal equipment and charging device comprise a communication module respectively, can realize the data interaction between described terminal equipment and charging device thus.The required nominal parameter value that normally works is sent to charging device by communication module by described terminal equipment; After charging device receives the nominal parameter value of described terminal equipment, the output valve of mating with described terminal equipment is set, and regulates current output to equal described output valve of mating with described terminal equipment.
Therefore, charging device described in the embodiment of the present invention can export corresponding magnitude of voltage or current value according to the actual demand of the terminal equipment be attached thereto, for the terminal equipment of various brand and kind provides the operating voltage and electric current that match with it.Make thus, described charging device can meet the charge requirement of the terminal equipment of different brands and type, really realizes the generalization of charging device, saves social resources, is conducive to environmental protection.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the charger operation schematic diagram of prior art;
Fig. 2 is the charging system structure chart of the embodiment of the present invention one;
Fig. 3 is the charging system structure chart of the embodiment of the present invention two;
Fig. 4 is the flow chart of the method for supplying power to of the charging device of the embodiment of the present invention;
Fig. 5 is the flow chart of the charging method of the terminal equipment of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out clear, complete description to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide a kind of charging device and method of supplying power to, terminal equipment and charging method, operating voltage and the electric current of coupling can be provided for the terminal equipment of different brands and kind, realize the generalization of charging device, be both conducive to environmental protection, can Consumer's Experience be strengthened again.
With reference to Fig. 2, it is the structure chart of the charging system described in the embodiment of the present invention one.As shown in Figure 2, described charging system comprises: charging device 10 and terminal equipment 30.The voltage output end of described charging device 10 is connected with the charging end of terminal equipment 30 by described charge cable 20, for described terminal equipment 30 charges.
As shown in Figure 2, described in the embodiment of the present invention, terminal equipment 30 comprises parameter feedback circuit.Described parameter feedback circuit comprises: the second communication module 301 and parameter acquisition module 302.
Described second communication module 301, is connected for the communication of setting up between the communication module of described charging device 10, realizes the data interaction between described terminal equipment 30 and described charging device 10.
Described parameter acquisition module 302, for obtaining the nominal parameter value of described terminal equipment 30, is sent to described second communication module 301.
Described second communication module 301, also for sending parameter-configuring request message to described charging device 10; Described parameter-configuring request message comprises the nominal parameter value of described terminal equipment 30.
Concrete, the nominal parameter value of described terminal equipment 30 can be load voltage value and/or the load current value of described terminal equipment 30 correspondence.It should be noted that, the nominal parameter value of described terminal equipment 30 can be, but not limited to the parameter value that system presets, concrete, the magnitude of voltage of described terminal equipment 30 under various mode of operation needed for normal work or current value, such as general mode, battery saving mode, offline mode or performance mode etc. can be comprised.
Corresponding, as shown in Figure 2, described in the embodiment of the present invention, charging device 10 comprises output matching circuit.Described output matching circuit comprises: the first communication module 101, processing module 102 and Switching Power Supply 103.
Described first communication module 101, for set up communication between the communication module of described terminal equipment 30 and be connected, realize the data interaction between described charging device 10 and described terminal equipment 30; And, receive the parameter-configuring request message that described terminal equipment 30 sends, be sent to described processing module 102; Described parameter-configuring request message comprises the nominal parameter value of described terminal equipment 30.
Described processing module 102, for the nominal parameter value according to described terminal equipment 302, arranges the output valve of mating with described terminal equipment 30, is sent to described Switching Power Supply 103.
Described Switching Power Supply 103, equals described output valve of mating with described terminal equipment 30 for regulating the output of described charging device 10.
In the embodiment of the present invention, described terminal equipment 30 and charging device 10 comprise a communication module respectively, can realize the data interaction between described terminal equipment 30 and charging device 10 thus.The required nominal parameter value that normally works is sent to charging device 10 by communication module by described terminal equipment 30; After charging device 10 receives the nominal parameter value of described terminal equipment 30, the output valve of mating with described terminal equipment 30 is set, and regulates current output to equal described output valve of mating with described terminal equipment 30.
Such as, when described charging device 10 is connected with the terminal equipment of brand A, the communication of setting up between the terminal equipment of described brand A is connected, the parameter value needed when self normally works by the terminal equipment of described brand A is sent to described charging device 10, described charging device 10 can arrange the output valve of mating with it by the parameter value needed for the terminal equipment of described brand A, for the terminal equipment of described brand A charges.When described charging device 10 disconnects the connection with the terminal equipment of described brand A, described charging device 10 recovers default setting, and conveniently the configuration of charging device acquiescence exports charging current.
When described charging device 10 is connected with the terminal equipment of brand B, the communication of setting up between the terminal equipment of described brand B is connected, the parameter value needed when self normally works by the terminal equipment of described brand B is sent to described charging device 10, described charging device 10 can arrange the output valve of mating with it by the parameter value needed for the terminal equipment of described brand B, for the terminal equipment of described brand B charges.
When described charging device 10 is connected with the terminal equipment of brand C, described charging device 10 is connected if cannot set up communication with the terminal equipment of described brand C, then charging device 10 configuration that conveniently charging device is given tacit consent to exports charging current, for the terminal equipment of described brand C charges.
Therefore, charging device 10 described in the embodiment of the present invention can export corresponding magnitude of voltage or current value according to the actual demand of the terminal equipment 30 be attached thereto, for the terminal equipment of various brand and kind provides the operating voltage and electric current that match with it.Make thus, described charging device 10 can meet the charge requirement of the terminal equipment 30 of different brands and type, really realizes the generalization of charging device, saves social resources, is conducive to environmental protection, can strengthens Consumer's Experience again.
It should be noted that, charging device 10 described in the embodiment of the present invention can realize unitized prerequisite and be, described charging device 10 can set up data communication with the current terminal equipment 30 be attached thereto, namely this terminal equipment 30 also must comprise communication module, can realize the data interaction between charging device 10.For the terminal equipment 30 can not setting up data communication, described charging device 10 still charging modes traditionally, is according to default configuration as described terminal equipment 30 provides charging voltage and electric current.
When described charging device 10 charges for terminal equipment 30, are all generally the connections realizing between charging device 10 and terminal equipment 30 by charge cable 20.Because described charge cable 20 has certain resistance, therefore when charging current is larger, the voltage loss in described charge cable 20 is larger.Such as, suppose that charging current is 2A, the unidirectional resistance of charge cable 20 is 0.17ohm(unit of resistance ohm).Suppose, described charging device 10 exports 5V normal voltage, but during incoming terminal equipment 30, voltage is down to: 5V-2 × 0.17ohm × 2A=4.32V.But the rechargeable battery required voltage of general terminal equipment 30 is general higher, most Gao Shike reaches about 4.2V, and the chip of rechargeable battery needs certain pressure reduction to maintain constant current.Therefore, because the voltage loss of charge cable 20 is excessive, probably cause the pressure reduction of the rechargeable battery of terminal equipment 30 not enough, charging current is more and more less, cannot keep constant, both reduce charge efficiency, too increase the charging interval, reduces the experience of user.
Charging device described in the embodiment of the present invention two and terminal equipment can solve the problems of the technologies described above.Concrete, with reference to Fig. 3, be the charging system structure chart of the embodiment of the present invention two.
As shown in Figure 3, the difference of terminal equipment and embodiment one described in the embodiment of the present invention two is: the parameter feedback circuit of described terminal equipment 30 can also comprise voltage detection module 303, for the charging voltage value that the charging end current time detecting described terminal equipment 30 receives, and be sent to described second communication module 301.
Described second communication module 301, also for described charging voltage value being sent to described charging device 10 by described parameter-configuring request message.Concrete, in the embodiment of the present invention two, in the parameter-configuring request message that described second communication module 303 sends, also comprise the charging voltage value of the charging end current time of described terminal equipment 30.
Corresponding, as shown in Figure 3, described in the embodiment of the present invention two, charging device 10 is with the difference of embodiment one: described output matching circuit can also comprise output detections module 104, for detecting the output voltage values of the voltage output end current time obtaining described charging device 10, and be sent to described processing module 102.
Described processing module 102, the difference that the charging voltage value that output voltage values also for calculating described charging device 10 current time deducts described terminal equipment 30 current time obtains, again the described output voltage values of charging device 10 current time and the described difference of 2 times are sued for peace, output voltage values after being compensated, and using the output valve that the output voltage values after described compensation mates as described and described terminal equipment 30, be sent to described Switching Power Supply 103.
Concrete, Va ＇=Va+2 × (Va-Vc).
Wherein, Va is the output voltage values of described charging device current time; Vc is the charging voltage value of described terminal equipment current time; Va ＇ is the output voltage values after described compensation.
In the embodiment of the present invention two, can realize data interaction between described terminal equipment 30 and charging device 10, thus the charging voltage value that its charging end current time receives can be fed back to charging device 10 by described terminal equipment 30, described charging device 10 detects the output voltage values obtaining voltage output end current time, calculate the difference of the output voltage values of current time and the charging voltage value of described terminal equipment 30 feedback, when can obtain the output voltage incoming terminal equipment 30 of described charging device 10, voltage loss value in charge cable 20, then compensate according to the output voltage of this voltage loss value to charging device 10, according to the output voltage after compensating, the output valve of mating with described terminal equipment 30 is set, and the output of described charging device 10 is regulated according to this output valve, for described terminal equipment 30 charges.Can make thus, during the output voltage incoming terminal equipment 30 of charging device 10, still can keep desirable charging voltage value, the problem that in the charge cable of solution charging device 10, pressure drop is excessive, ensure the pressure reduction of the rechargeable battery of terminal equipment, the charging current maintaining rechargeable battery is constant, thus improves charge efficiency, reduce the charging interval, strengthen Consumer's Experience.
It should be noted that, for the rechargeable battery of terminal equipment 30, its charging voltage generally all has certain most high threshold, and when its charging voltage is higher than described most high threshold, described rechargeable battery likely can be burnt.Such as, the desirable charging voltage of the rechargeable battery of described terminal equipment 30 is generally 5V, and plays most high threshold and be generally 6V to 6.5V.When described charging voltage exceedes this most high threshold, this rechargeable battery is probably burnt.In the embodiment of the present invention, when described in the output voltage values after described compensation has exceeded during most high threshold, if also using output valve that the output voltage values after this compensation mates as described and described terminal equipment 30, directly export described terminal equipment 30 to, then cause the rechargeable battery of described terminal equipment 30 to be burnt possibly.
For solving this technical problem, in charging device 10 described in the embodiment of the present invention two, described processing module 102 is also for the relation between relatively described output valve of mating with described terminal equipment 30 and default most high threshold, most high threshold described in if the output valve of described coupling is more than or equal to, most high threshold described in then the output valve that described and described terminal equipment 30 mates being set to, then export described Switching Power Supply 103 to; Most high threshold described in if the output valve of described coupling is less than, directly send the output valve of described coupling to described Switching Power Supply 103.
Charging device described in the above embodiment of the present invention, by comparing the relation between output valve and default most high threshold of mating with described terminal equipment 30, when the output valve of described coupling is more than or equal to default most high threshold, using the output valve that described most high threshold mates as described and described terminal equipment, be sent to described Switching Power Supply 103.Effectively can avoid because compensating the charging voltage caused too high thus, thus cause the rechargeable battery of terminal equipment 30 by the phenomenon of burning, be conducive to the safety in utilization ensureing charging device, strengthen the useful life of terminal equipment 30.
Corresponding to the charging device that the embodiment of the present invention provides, the embodiment of the present invention also provides a kind of method of supplying power to of charging device.With reference to Fig. 4, it is the flow chart of the method for supplying power to of the charging device of the embodiment of the present invention.As shown in Figure 4, said method comprising the steps of:
Step S401: the communication of setting up between described charging device and terminal equipment connects.
Step S402: described charging device receives the parameter-configuring request message that described terminal equipment sends; Described parameter-configuring request message comprises the nominal parameter value of described terminal equipment.
Step S403: described charging device, according to the nominal parameter value of the described terminal equipment in described parameter-configuring request message, arranges the output valve of mating with described terminal equipment.
Step S404: regulate the output of described charging device to equal described output valve of mating with described terminal equipment.
Method described in the embodiment of the present invention, the communication of setting up between described charging device and the terminal equipment be attached thereto connects, and realizes data interaction therebetween; After described charging device receives the nominal parameter value needed for normal work of the described terminal equipment transmission be attached thereto, the output valve of mating with described terminal equipment is set according to this parameter value, and regulates current output to equal described output valve of mating with described terminal equipment.
Therefore, charging device described in the embodiment of the present invention can export corresponding magnitude of voltage or current value according to the actual demand of the terminal equipment be attached thereto, for the terminal equipment of various brand and kind provides the operating voltage and electric current that match with it.Make thus, described charging device can meet the charge requirement of the terminal equipment of different brands and type, really realizes the generalization of charging device, saves social resources, is conducive to environmental protection, can strengthens Consumer's Experience again.
It should be noted that, the nominal parameter value of described terminal equipment can be: the load voltage value of described terminal equipment and/or load current value.
What need progressive one to illustrate is, in method described in the embodiment of the present invention, described charging device is connected if can not set up communication with described terminal equipment, then described charging device 10 still charging modes traditionally, is according to default configuration as described terminal equipment 30 provides charging voltage and electric current.
Further, described parameter-configuring request message can also comprise: the charging voltage value of the charging end current time of described terminal equipment.Before described method arranges the output valve of mating with described terminal equipment in step S403, described method can also comprise: the output voltage values detecting the voltage output end current time of described charging device.
Now, arrange the output valve of mating with described terminal equipment described in step S403 can comprise: calculate the difference that output voltage values that described charging voltage value deducts described current time obtains; Again the output voltage values of described current time and the described difference of 2 times are sued for peace, the output voltage values after being compensated; Using the output valve that the output voltage values after described compensation mates as described and described terminal equipment.
In the embodiment of the present invention, can realize data interaction between described terminal equipment and charging device, thus the charging voltage value that its charging end current time receives can be fed back to charging device by described terminal equipment; Described charging device detects the output voltage values obtaining its voltage output end current time, calculate the difference of the output voltage values of current time and the charging voltage value of described terminal equipment feedback, when can obtain the output voltage incoming terminal equipment of described charging device, voltage loss value in charge cable, then compensate according to the output voltage of this voltage loss value to charging device, according to the output voltage after compensating, the output valve of mating with described terminal equipment is set, and regulate the output of described charging device according to this output valve, for described terminal equipment charges.Can make thus, during the output voltage incoming terminal equipment of charging device, still can keep desirable charging voltage value, the problem that in the charge cable of solution charging device, pressure drop is excessive, ensure the pressure reduction of the rechargeable battery of terminal equipment, the charging current maintaining rechargeable battery is constant, thus improves charge efficiency, reduce the charging interval, strengthen Consumer's Experience.
Preferably, method described in the embodiment of the present invention, regulate before the output of described charging device equals described output valve of mating with described terminal equipment in step S404, can also comprise: the relation between the output valve of more described coupling and default most high threshold, most high threshold described in if the output valve of described coupling is more than or equal to, then most high threshold described in the output valve of described coupling being set to.
Effectively can avoid because compensating the charging voltage caused too high thus, thus cause the rechargeable battery of terminal equipment by the phenomenon of burning, be conducive to the safety in utilization ensureing charging device, strengthen the useful life of terminal equipment.
Corresponding to the terminal equipment that the embodiment of the present invention provides, the embodiment of the present invention also provides a kind of charging method of terminal equipment.With reference to Fig. 5, the flow chart of the charging method of the terminal equipment provided for the embodiment of the present invention.As shown in Figure 5, said method comprising the steps of:
Step S501: set up described terminal equipment and be connected with the communication between charging device, the data interaction of both realizations.
Step S502: the nominal parameter value that described terminal equipment obtains.
Step S503: described terminal equipment sends parameter-configuring request message to described charging device; Described parameter-configuring request message comprises the nominal parameter value of described terminal equipment.
Method described in the embodiment of the present invention, the communication of setting up between described terminal equipment and the charging device be attached thereto connects, and realizes data interaction therebetween; Described terminal equipment obtains the nominal parameter value needed for self normally working, and send to described charging device by parameter-configuring request message, make described charging device can export corresponding magnitude of voltage or current value according to the actual demand of the terminal equipment be attached thereto, for the terminal equipment of various brand and kind provides the operating voltage and electric current that match with it, meet the charge requirement of the terminal equipment of different brands and type, really realize the generalization of charging device, save social resources, be conducive to environmental protection, can Consumer's Experience be strengthened again.
It should be noted that, the nominal parameter value of described terminal equipment is: the load voltage value of described terminal equipment and/or load current value.
Further, method described in the embodiment of the present invention can also comprise: described terminal equipment detects the charging voltage value of charging end current time; The charging voltage value of the charging end current time of described terminal equipment is also comprised in described parameter-configuring request message.
In the embodiment of the present invention, data interaction can be realized between described terminal equipment and charging device, thus the charging voltage value that its charging end current time receives can be fed back to charging device by described terminal equipment, described charging device can be compensated the charging voltage loss that charge cable causes according to described charging voltage value, and according to the voltage after compensating, the output valve of mating with described terminal equipment is set, for described terminal equipment charges.Can make thus, when the output voltage of charging device arrives described terminal equipment, still can keep desirable charging voltage value, the problem that in the charge cable of solution charging device, pressure drop is excessive, ensure the pressure reduction of the rechargeable battery of terminal equipment, the charging current maintaining rechargeable battery is constant, thus improves charge efficiency, reduce the charging interval, strengthen Consumer's Experience.
It should be noted that, in method described in the embodiment of the present invention, the communication established between described charging device and the terminal equipment be attached thereto connects, and therefore, can also expand method described in the embodiment of the present invention.Such as, described charging device can the operating state of Real-time Feedback self to the terminal equipment be attached thereto, this operating state can comprise the temperature, line voltage etc. of described charging device; After described terminal equipment receives the operating state of described charging device, can adjust accordingly according to the charged state of its operating state to self, such as, when the temperature of charging device is too high, described terminal equipment reduces charging current etc.Intelligentized charging device can be realized thus, ensure the safety and stability into terminal equipment charging process, improve the useful life of charging device and terminal equipment.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed system, apparatus and method can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (15)
1. a charging device, is characterized in that, the voltage output end of described charging device is used for being connected with the charging end of terminal equipment by charge cable; Described charging device comprises output matching circuit; Wherein:
Described output matching circuit comprises: the first communication module, processing module and Switching Power Supply;
Described first communication module, for set up communication between the communication module of described terminal equipment and be connected; And receive the parameter-configuring request message of described terminal equipment transmission, be sent to described processing module; Described parameter-configuring request message comprises the nominal parameter value of described terminal equipment;
Described processing module, for according to described nominal parameter value, arranges the output valve of mating with described terminal equipment;
Described Switching Power Supply, equals described output valve of mating with described terminal equipment for regulating the output of described charging device.
2. charging device according to claim 1, is characterized in that, the nominal parameter value of described terminal equipment is: the load voltage value of described terminal equipment and/or load current value.
3. charging device according to claim 1 and 2, is characterized in that, described parameter-configuring request message also comprises: the charging voltage value of the charging end current time of described terminal equipment;
Described output matching circuit also comprises: output detections module; Described output detections module, for detecting the output voltage values of the voltage output end current time of described charging device, and is sent to described processing module;
Described processing module, the difference that the charging voltage value that output voltage values also for calculating described charging device current time deducts described terminal equipment current time obtains, again the output voltage values of described charging device current time and the described difference of 2 times are sued for peace, output voltage values after being compensated, and using the output valve that the output voltage values after described compensation mates as described and described terminal equipment, be sent to described Switching Power Supply.
4. charging device according to claim 3, is characterized in that, described processing module also for:
Relation between the output valve of more described coupling and default most high threshold, if the output valve of described coupling be more than or equal to described in most high threshold, then most high threshold described in the output valve of described coupling being set to, then export described Switching Power Supply to.
5. a terminal equipment, is characterized in that, the charging end of described terminal equipment is used for being connected with the voltage output end of charging device by charge cable; Described terminal equipment comprises parameter feedback circuit; Wherein,
Described parameter feedback circuit comprises: the second communication module and parameter acquisition module;
Described second communication module, is connected for the communication of setting up between the communication module of described charging device;
Described parameter acquisition module, for obtaining the nominal parameter value of described terminal equipment, is sent to described second communication module;
Described second communication module, also for sending parameter-configuring request message to described charging device; Described parameter-configuring request message comprises the nominal parameter value of described terminal equipment.
6. terminal equipment according to claim 5, is characterized in that, the nominal parameter value of described terminal equipment is: the load voltage value of described terminal equipment and/or load current value.
7. the terminal equipment according to claim 5 or 6, is characterized in that, described parameter feedback circuit also comprises voltage detection module;
Described voltage detection module, for detecting the charging voltage value of the charging end current time of described terminal equipment, and is sent to described second communication module;
The charging voltage value of the charging end current time of described terminal equipment is also comprised in the parameter-configuring request message that described second communication module sends.
8. a charging system, is characterized in that, described charging system comprises the charging device described in any one of Claims 1-4 and the terminal equipment described in any one of claim 5 to 7;
The voltage output end of described charging device is connected by the charging end of charge cable with described terminal equipment.
9. a method of supplying power to for charging device, is characterized in that, described method comprises:
The communication of setting up between described charging device and terminal equipment connects;
Receive the parameter-configuring request message that described terminal equipment sends; Described parameter-configuring request message comprises the nominal parameter value of described terminal equipment;
According to described nominal parameter value, the output valve of mating with described terminal equipment is set;
The output of described charging device is regulated to equal described output valve of mating with described terminal equipment.
10. method according to claim 9, is characterized in that, the nominal parameter value of described terminal equipment is: the load voltage value of described terminal equipment and/or load current value.
11. methods according to claim 9 or 10, it is characterized in that, described parameter-configuring request message also comprises: the charging voltage value of the charging end current time of described terminal equipment;
Before the output valve that described setting is mated with described terminal equipment, described method also comprises: the output voltage values detecting the voltage output end current time of described charging device;
Then, the output valve that described setting is mated with described terminal equipment comprises: calculate the difference that output voltage values that described charging voltage value deducts described current time obtains; Again the output voltage values of described current time and the described difference of 2 times are sued for peace, the output voltage values after being compensated; Using the output valve that the output voltage values after described compensation mates as described and described terminal equipment.
12. methods according to claim 11, is characterized in that, before the output of the described charging device of described adjustment equals described output valve of mating with described terminal equipment, also comprise:
Relation between the output valve of more described coupling and default most high threshold, if the output valve of described coupling be more than or equal to described in most high threshold, then most high threshold described in the output valve of described coupling being set to.
The charging method of 13. 1 kinds of terminal equipments, is characterized in that, described method comprises:
Set up described terminal equipment to be connected with the communication between charging device;
Obtain the nominal parameter value of described terminal equipment;
Send parameter-configuring request message to described charging device; Described parameter-configuring request message comprises the nominal parameter value of described terminal equipment.
14. methods according to claim 13, is characterized in that, the nominal parameter value of described terminal equipment is: the load voltage value of described terminal equipment and/or load current value.
15. methods according to claim 13 or 14, it is characterized in that, described method also comprises:
Detect the charging voltage value of the charging end current time of described terminal equipment;
The charging voltage value of the charging end current time of described terminal equipment is also comprised in described parameter-configuring request message.
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