CN103682491B - The charging method of electric room, charging circuit and electronic equipment - Google Patents

The charging method of electric room, charging circuit and electronic equipment Download PDF

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Publication number
CN103682491B
CN103682491B CN201210338871.5A CN201210338871A CN103682491B CN 103682491 B CN103682491 B CN 103682491B CN 201210338871 A CN201210338871 A CN 201210338871A CN 103682491 B CN103682491 B CN 103682491B
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China
Prior art keywords
electronic equipment
mode
charging
information
charge
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CN103682491A (en
Inventor
张子刚
洪亮
尚红涛
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INFORMATION TECHNOLOGY Co Ltd SHANGHAI AVCON
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INFORMATION TECHNOLOGY Co Ltd SHANGHAI AVCON
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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • H01M10/446Initial charging measures
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • H01M10/448End of discharge regulating measures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048Detection of remaining charge capacity or state of charge [SOC]
    • H02J7/0049Detection of fully charged condition
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention provides the charging method of electric room, charging circuit and be configured with the electronic equipment of charging circuit, the audio interface that mainly make use of widely used support 4 segmentation audio jack in electronic equipment establishes a communications link at electric room, that obtain the other side by the exchange of bottom-up information with relevant information that is rechargeable battery, according to the bottom-up information that clearing house obtains, for respective mode of operation determined by the both sides' electronic equipment established a communications link, according to the mode of operation determined, start corresponding discharge circuit and charging circuit, perform corresponding charging operations, thus achieve the mutual charging of the electric room being configured with audio interface, solve these electronic equipments charging inconvenience or the problem of loaded down with trivial details and mutual charging difficulty of charging.

Description

The charging method of electric room, charging circuit and electronic equipment
Technical field
The present invention relates to electronic equipment charging field, particularly electronic equipment charging circuit, be configured with the electronic equipment of charging circuit and realize the charging method of electric room.
Background technology
Development is flown along with the communication technology and electronic technology, the mobile terminal product comprising panel computer, mobile phone, personal digital assistant PDA, portable electronic device, portable navigation device, electronic reader etc. has goed deep into huge numbers of families, obtains and applies very widely.On these mobile terminals, several functions and application service can be realized.
With smart mobile phone the most common, its hardware computation ability is powerful, except possessing the basic mobile communication service function such as voice communication, short message, also possesses numerous service application.Operational capability and speed are at all no less than personal digital assistant PDA, PC, notebook computer, panel computer etc.And, the size of the lcd screen of smart mobile phone lock configuration is tended to increasing, the image resolution ratio of lcd screen is tended to more and more higher, corresponding image processing speed is also tended to more and more faster, these performance boosts, make user obtain better experience (as online, screen are play or play games).But processor (such as CPU), lcd screen and various types of hardware accelerator (such as image processor), can consume more electric energy.And the rechargeable battery of smart mobile phone is a short slab relative to otherwise technology, also have considering of volume (light, thin, short, little development trend) based on current technological means and Financial cost, rechargeable battery can not accomplish unrestricted capacity.And then the single charge life cycle of smart mobile phone significantly shortens, just cannot continue use and be badly in need of charging after power consumption is complete, but in some cases (such as outdoor, do not carry charger), cannot charge to these electronic equipments in time.Therefore, as a kind of bodyfixed frame, some use the user of smart mobile phone, can be equipped with polylith reserve battery or carry the special portable charger with charge function.And the use of these auxiliary equipment, for user, need carry extra accessory and bring the inconvenience in use.In addition, for carrying portable charger (such as common on the market portable power source), in order to tackle the distinct interface of each class of electronic devices on the market, often need to configure the multiple plug corresponding with each distinct interface, what further increase in use is not convenient.
Summary of the invention
The object of the present invention is to provide a kind of charging method of electric room, charging circuit and electronic equipment, for solving electronic equipment charging inconvenience or loaded down with trivial details problem of charging.
For solving the problem and other problems, one aspect of the present invention provides a kind of charging method of electric room, and described electronic equipment is at least configured with rechargeable battery, man-machine interface and supports the audio interface of 4 segmentation audio jack; Described charging method comprises:
Step one: utilize 4 segmentation audio signal wires to establish a communications link at two electric rooms; The end of described 4 segmentation audio signal wires is configured with the 4 segmentation audio jack for the audio interface inserting described electronic equipment;
Step 2: carry out the exchange of bottom-up information at two electric rooms established a communications link and described bottom-up information is shown in described man-machine interface, described bottom-up information comprises: charging voltage, charging maximum current, charged battery capacity, default charge threshold and current residual electricity;
Step 3: the bottom-up information obtained according to clearing house, when there being the current residual electricity of at least one electronic equipment to be when being more than or equal to default charge threshold, determines the mode of operation needing two electronic equipments performing charging operations; Described mode of operation comprises charge mode and discharge mode; Determining to need in the mode of operation of two electronic equipments performing charging operations, the mode of operation of one of them electronic equipment is defined as charge mode, and the mode of operation of another electronic equipment is defined as the mould that discharges; Step 4: according to the mode of operation of two electronic equipments determined, performs charging operations.
Alternatively, described man-machine interface comprises combination or the Touch Screen of display screen and input keyboard.
Alternatively, the specification of described audio interface and described 4 segmentation audio jack is 2.5mm or 3.5mm.
Alternatively, described 4 segmentation audio jack, 4 sections from top to the bottom of plug are respectively the first communication section, second communication section, charging control section, ground section.
Alternatively, in step one, utilize 4 segmentation audio signal wires to establish a communications link at two electric rooms comprise: two 4 segmentation audio jack of the end of 4 segmentation audio signal wires are inserted two electronic equipments respectively; Any one electronic equipment for wherein: detect and the audio interface that self configures has been inserted with 4 segmentation audio jack; Attempt setting up with the electronic equipment that another 4 segmentation audio jack of 4 segmentation audio signal wires is inserted communicating by the first communication section, second communication section and the I2C communication protocol in 4 segmentation audio jack of insertion, until set up communication at two electric rooms.
Alternatively, in step 2, be also included in two electric rooms established a communications link exchange self can for the information of the mode of operation performed and by the information displaying of described mode of operation in described man-machine interface; In step 3, the information also comprising the mode of operation of Gong the execution according to electronic equipment self provides the execution option of corresponding mode of operation, for the mode of operation determining to perform in the man-machine interface of electronic equipment.
Alternatively, the information of described mode of operation determines according to the bottom-up information of electronic equipment; If when the current residual electricity of electronic equipment is more than or equal to described charge threshold, then described electronic equipment can comprise charge mode and discharge mode for the mode of operation performed; If when the current residual electricity of electronic equipment is less than described charge threshold, then described electronic equipment only can comprise charge mode for the mode of operation performed.
Alternatively, if when the current residual electricity of two electronic equipments is all less than respective described charge threshold, then two electronic equipments all only can comprise charge mode for the mode of operation performed, two electronic equipments can be pointed out the information of the battery electric quantity deficiency of the other side, and other electronic equipment of recommended replacement.
Alternatively, in step 4, performing charging operations comprise: determine to be operated in the electronic equipment under charge mode, being ready to complete information to determining that the electronic equipment be operated under discharge mode sends; Determine to be operated in bottom-up information that electronic equipment under discharge mode obtains according to clearing house and carry out the charging voltage that buck controls to determine to make output voltage adapt to the electronic equipment be operated under charge mode, and the maximum current exporting and need when maximum current adapts to the electronic equipment charging determined to be operated under charge mode is set; Determine to be operated in electronic equipment under discharge mode receive that the electronic equipment determining to be operated under charge mode sends be ready to complete information after, start to charge to the first electronic equipment.
Alternatively, described charging method also comprises: in charging process, and the charged state immediate feedback of oneself is operated in the electronic equipment under discharge mode to determining by the electronic equipment determining to be operated under charge mode.
Alternatively, described charging method also comprises: be operated in electronic equipment under discharge mode if determine to when determining the electronic equipment charging be operated under charge mode, determining to be operated in determination that the electronic equipment under discharge mode receives, to be operated in electronic equipment feedack under charge mode consistent with initial condition or do not receive the electronic equipment feedack determined to be operated under charge mode all the time, then interrupt charging process and feedback error information.
Alternatively, described charging method also comprises: if in charging process, the electronic equipment determining to be operated under discharge mode detects the current residual electricity obtaining self rechargeable battery and is less than described charge threshold, then interrupt charging, and information feed back is operated in the electronic equipment under charge mode to determining, the man-machine interface of two electronic equipments is pointed out the information of the battery electric quantity deficiency of the other side, and other electronic equipment of recommended replacement, complete charge operates; After the battery being operated in the electronic equipment under charge mode if determine is full of, to the information that the electronic equipment feedback battery determining to be operated under discharge mode is full of, the electronic equipment determining to be operated under discharge mode interrupts charging process according to feedack, completes charging.
The present invention provides a kind of charging circuit of electronic equipment on the other hand, and described electronic equipment is at least configured with rechargeable battery, man-machine interface and supports the audio interface of 4 segmentation audio jack; Described charging circuit comprises: electric power detection unit, interface detecting unit, and microcontroller, is controlled by the communication unit of described microcontroller, charhing unit and discharge cell, and mode of operation determining unit; Electric power detection unit, for the current residual electricity of rechargeable battery in detected electrons equipment; Whether interface detecting unit, be inserted with 4 segmentation audio jack in the audio interface of detected electrons Equipments Setting; Communication unit, for detect at described interface detecting unit audio interface is inserted with 4 segmentation audio jack after another electronic equipment of inserting with the other end 4 segmentation audio jack of 4 segmentation audio signal wires corresponding to the described 4 segmentation audio jack inserted according to the control of described microcontroller set up and communicate, make carry out the exchange of bottom-up information at two electric rooms established a communications link and described bottom-up information is shown in described man-machine interface; Described bottom-up information comprises: charging voltage, charging maximum current, the current residual electricity of charged battery capacity, default charge threshold and rechargeable battery; Mode of operation determining unit, the bottom-up information for obtaining according to clearing house determines the mode of operation being suitable for electronic equipment itself; Described mode of operation comprises charge mode and discharge mode; Determining to need in the mode of operation of two electronic equipments performing charging operations, the mode of operation of one of them electronic equipment is chosen as charge mode, and the mode of operation of another electronic equipment is chosen as discharge mode; Under described discharge mode, the current residual electricity of electronic equipment is that requirement is more than or equal to default charge threshold; Charhing unit, the mode of operation determined for utilizing mode of operation determining unit at electronic equipment starts to receive the charging of another electronic equipment for being controlled by described microcontroller when charge mode; Discharge cell, the mode of operation determined for utilizing mode of operation determining unit at electronic equipment is charged to the electronic equipment selected under charge mode for being controlled by described microcontroller when discharge mode.
Alternatively, described man-machine interface comprises combination or the Touch Screen of display screen and input keyboard.
Alternatively, the specification of described audio interface and described 4 segmentation audio jack is 2.5mm or 3.5mm.
Alternatively, described 4 segmentation audio jack, 4 sections from top to the bottom of plug are respectively the first communication section, second communication section, charging control section, ground section.
Alternatively, the information of described mode of operation determines according to the bottom-up information of electronic equipment; If when the current residual electricity of electronic equipment is more than or equal to described charge threshold, then described electronic equipment can comprise charge mode and discharge mode for the mode of operation performed; If when the current residual electricity of electronic equipment is less than described charge threshold, then described electronic equipment only can comprise charge mode for the mode of operation performed.
Alternatively, described charging circuit also comprises: be controlled by described microcontroller and the buck unit be connected with described discharge cell; The mode of operation that described buck unit is used for utilizing mode of operation determining unit to determine at electronic equipment carries out buck action to make the charging voltage of the electronic equipment under output voltage and charge mode suitable for being controlled by described microcontroller when discharge mode.
The present invention is on the one hand providing a kind of electronic equipment again, is configured with rechargeable battery, man-machine interface, the audio interface of support 4 segmentation audio jack and charging circuit as above.
Alternatively, described electronic equipment comprises mobile phone, personal digital assistant PDA, portable audio-visual playback equipment, panel computer or notebook computer.
The invention provides the charging method of electric room, charging circuit and be configured with the electronic equipment of charging circuit, described charging technique, the audio interface that mainly make use of widely used support 4 segmentation audio jack in electronic equipment establishes a communications link at electric room, that obtain the other side by the exchange of bottom-up information with relevant information (such as charge threshold that is rechargeable battery, current residual electricity etc.), according to the bottom-up information that clearing house obtains, for respective mode of operation determined by the both sides' electronic equipment established a communications link, according to the mode of operation determined, start corresponding discharge circuit and charging circuit, to perform corresponding charging operations, thus achieve the mutual charging of the electric room being configured with audio interface, solve these electronic equipments charging inconvenience or the problem of loaded down with trivial details and mutual charging difficulty of charging.
Accompanying drawing explanation
Fig. 1 is the schematic diagram realizing charging in the present invention at two electric rooms.
Fig. 2 is the theory diagram showing electronic equipment of the present invention.
The definition figure of the 4 segmentation audio jack that Fig. 3 is suitable for by the present invention.
Fig. 4 is the schematic flow sheet of charging method of the present invention.
Fig. 5 is that charging method of the present invention realizes an application example of charging at two electric rooms.
Embodiment
The present inventor finds: existing electronic equipment exists charging inconvenience or the problem such as loaded down with trivial details of charging.
Therefore, the present inventor improves prior art, propose and be a kind ofly assemblied in charging circuit in electronic equipment and utilize charging circuit to realize the charging method of electric room, the audio interface that mainly make use of widely used support 4 segmentation audio jack in electronic equipment determines respective mode of operation after electric room establishes a communications link, carry out corresponding charging operations, achieve the mutual charging of the electric room being configured with audio interface, solve these electronic equipments charging inconvenience or the problem of loaded down with trivial details and mutual charging difficulty of charging.
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
It should be noted that, the diagram provided in the present embodiment only illustrates basic conception of the present invention in a schematic way, then only the assembly relevant with the present invention is shown in graphic but not component count, shape and size when implementing according to reality is drawn, it is actual when implementing, and the kenel of each assembly, quantity and ratio can be a kind of change arbitrarily, and its assembly layout kenel also may be more complicated.
Refer to Fig. 1, which show the schematic diagram realizing charging in the present invention at two electric rooms.As shown in Figure 1, the audio interface of electronic equipment A and electronic equipment B bulk charge battery, man-machine interface and support 4 segmentation audio jack.In the present invention, utilize the audio interface of configuration and pass through I2C communication protocol, the communication connection between electronic equipment A and electronic equipment B can be realized, carry out between the information relevant to rechargeable battery exchange and by these information displaying in man-machine interface, according to the information exchanged, make two electronic equipments all immediately can grasp the rechargeable battery information of self and the other side, and the mode of operation that two electronic equipments are corresponding is separately determined accordingly by the man-machine information exchange of man-machine interface, thus (what solid line a and dotted line b represented is delivery of electrical energy direction to perform corresponding charging operations between, wherein, that solid line a represents is electronic equipment A is that electronic equipment B charges, that dotted line b represents is electronic equipment B is that electronic equipment A charges).Whole charging process is simple, time saving and energy saving, convenient and swift.
Refer to Fig. 2, which show the theory diagram of electronic equipment of the present invention.As shown in Figure 2, described electronic equipment comprises: rechargeable battery 102, man-machine interface 104, the audio interface 106 supporting 4 segmentation audio jack and charging circuit, wherein, described charging circuit comprises further: electric power detection unit 108, interface detecting unit 110, microcontroller 112, be controlled by the communication unit 114 of microcontroller 112, charhing unit 116, buck unit 118 and discharge cell 120, and mode of operation determining unit (be not shown in graphic in).In the present invention, described electronic equipment is the product with certain computing and disposal ability, particularly, can be mobile phone (comprising functional mobile phone and smart mobile phone), personal digital assistant PDA, portable audio-visual playback equipment, panel computer or notebook computer.
Below will be described in detail above-mentioned unit.
Rechargeable battery 102 power-consuming component be used in electronic equipment provides electric power support.
Man-machine interface 104, also known as user interface or user interface, is the medium and the interface that carry out mutual and information exchange between electronic equipment and user, and it realizes the conversion that the internal form of information and people can accept between form.In the present invention, man-machine interface 104 can be comprise display screen and input keyboard combination but not as limit, other application in, also only can comprise Touch Screen.
Audio interface 106 can support 4 segmentation audio jack.In the present invention, the specification of audio interface 106 and described 4 segmentation audio jack can be 2.5mm or 3.5mm.Especially, for 4 segmentation audio jack, for coordinating the present invention to realize the charge function of electric room, we redefine each section of 4 segmentation audio jack: 4 sections from top to the bottom of plug are defined as the first communication section t1, second communication section t2, charging control section c, ground section d(as shown in Figure 3 respectively).First communication section t1 and second communication section t2 by I2C communication protocol for realizing communicating of electric room; Charging control section c is connected with the buck unit 118 in electronic equipment, generator unit 118 and charhing unit 116, and is controlled by microcontroller 112, for accepting charging at electronic equipment or serving as positive pole when charging to other electronic equipments; Ground section d is then used as ground connection.
Electric power detection unit 108 is for the current residual electricity of rechargeable battery in detected electrons equipment.Because the detection of the current residual electricity for rechargeable battery is well known to those skilled in the art, and in the present invention, as long as the current residual electricity of rechargeable battery can be obtained, therefore, at this, no longer repeated for electric power detection unit 108.
Whether interface detecting unit 110 is inserted with 4 segmentation audio jack in the audio interface of detected electrons Equipments Setting.
Communication unit 114 for electronic configurations detected at interface detecting unit 110 audio interface 106 on be inserted with 4 segmentation audio jack after, according to the control of microcontroller 112 and by the first communication section t1 of described 4 segmentation audio jack, second communication section t2 communicates to set up with another electronic equipment that the other end 4 segmentation audio jack of 4 segmentation audio signal wires corresponding to described 4 segmentation audio jack is inserted, make carry out the exchange of bottom-up information at two electric rooms established a communications link and described bottom-up information is shown in man-machine interface 104, like this, the man-machine interface 104 of our electronic equipment just can demonstrate bottom-up information relevant to rechargeable battery in the other side's electronic equipment.In the present invention, described bottom-up information can comprise some performance parameters relevant to rechargeable battery, such as: charging voltage, and charging maximum current, the current residual electricity of charged battery capacity, default charge threshold and rechargeable battery.It should be noted that, due to product type, the model difference of each electronic equipment, the rechargeable battery of configuration also may be different, therefore, above-mentioned performance parameter (charging voltage, charging maximum current, the current residual electricity of charged battery capacity, default charge threshold and rechargeable battery) for different electronic equipments, there is different set points.
The bottom-up information that mode of operation determining unit is used for obtaining according to clearing house determines to be suitable for the mode of operation of electronic equipment itself.In the present invention, described mode of operation comprises charge mode and discharge mode, wherein, under discharge mode, and the following condition of demand fulfillment: the current residual electricity of electronic equipment is that requirement is more than or equal to default charge threshold.Specifically: when the current residual electricity of electronic equipment is when being more than or equal to default charge threshold, the executable mode of operation of described electronic equipment is charge mode and discharge mode; When the current residual electricity of electronic equipment is when being less than default charge threshold, the executable mode of operation of described electronic equipment is then only charge mode.In addition, in actual applications, the operation utilizing mode of operation determining unit determination mode of operation is such: after two electric rooms complete bottom-up information exchange, these bottom-up informations can be presented in the man-machine interface 104 of electronic equipment, make to demonstrate bottom-up information relevant to rechargeable battery in the other side's electronic equipment in the man-machine interface 104 of our electronic equipment; Simultaneously, according to the current residual electricity of the rechargeable battery of our electronic equipment, the man-machine interface of our electronic equipment provide our electronic equipment can supply the option of the mode of operation performed, user is according to actual conditions, select the mode of operation being suitable for our electronic equipment, mode of operation determining unit confirms the mode of operation of our electronic equipment according to the selection of user in man-machine interface.Have again, for realizing the charging operations at two electric rooms, that just requires: determining to need in the mode of operation of two electronic equipments performing charging operations, the mode of operation of one of them electronic equipment must be chosen as charge mode, and the mode of operation of another electronic equipment is then chosen as discharge mode.So, when performing charging operations, just can by selecting the electronic equipment of power generation mode to be select the electronic equipment of charge mode to charge.
Charhing unit 116 starts to receive the charging of another electronic equipment for the mode of operation utilizing mode of operation determining unit to determine at electronic equipment for being controlled by microcontroller 112 when charge mode, input electric energy.
Buck unit 118 carries out buck action to make the charging voltage of the electronic equipment under output voltage and charge mode suitable for the mode of operation utilizing mode of operation determining unit to determine at electronic equipment for being controlled by microcontroller 112 when discharge mode.Particularly, when the charging voltage of the electronic equipment under the output voltage of the electronic equipment under discharge mode is greater than charge mode, carry out step-down action, to reduce output voltage by buck unit 118; When the charging voltage of the electronic equipment under the output voltage of the electronic equipment under discharge mode is less than charge mode, carry out boost action, to improve output voltage by buck unit 118.In the present invention, buck unit 118 can comprise: buck chip and the buck chip drive circuit for controlling described buck chip.
Discharge cell, is connected with buck unit 118, and the mode of operation determined for utilizing mode of operation determining unit at electronic equipment is charged to the electronic equipment selected under charge mode for being controlled by microcontroller 112 when discharge mode, exports electric energy.
The present invention separately provides a kind of method utilizing above-mentioned electronic equipment to realize electric room mutually to charge, and namely Fig. 4 shows the schematic flow sheet of charging method of the present invention.Shown in composition graphs 2 and Fig. 4, described charging method comprises:
Step S401, utilizes 4 segmentation audio signal wires to establish a communications link at two electric rooms.
In the present invention, described electronic configurations has the audio interface 106 of support 4 segmentation audio jack, and the end of described 4 segmentation audio signal wires is configured with the 4 segmentation audio jack for the audio interface 106 inserting described electronic equipment.In actual applications, step S401 specifically comprises: two 4 segmentation audio jack of the end of 4 segmentation audio signal wires are inserted two electronic equipments respectively; Detected by the audio interface 106 of interface detecting unit 110 pairs of electronic configurations, to determine whether audio interface 106 is inserted with 4 segmentation audio jack; When interface detecting unit 110 detect audio interface 106 has been inserted with 4 segmentation audio jack, attempted setting up with the electronic equipment that another 4 segmentation audio jack of 4 segmentation audio signal wires is inserted communicating by the first communication section, second communication section and I2C communication protocol in the 4 segmentation audio jack inserted according to the control of microcontroller 112 by communication unit 114, until set up communication at two electric rooms, two electronic equipments are established a communications link.
Step S403, carry out the exchange of bottom-up information at two electric rooms established a communications link and described bottom-up information is shown in described man-machine interface, making just can demonstrate bottom-up information relevant to rechargeable battery in the other side's electronic equipment in the man-machine interface 104 of our electronic equipment.
In the present invention, described bottom-up information can comprise some performance parameters relevant to rechargeable battery, such as: charging voltage, and charging maximum current, the current residual electricity of charged battery capacity, default charge threshold and rechargeable battery.Described current residual electricity is then detected by electric power detection unit 108 and obtains.It should be noted that, due to product type, the model difference of each electronic equipment, the rechargeable battery of configuration also may be different, therefore, above-mentioned performance parameter (charging voltage, charging maximum current, the current residual electricity of charged battery capacity, default charge threshold and rechargeable battery) for different electronic equipments, there is different set points.
Step S405, according to the bottom-up information that clearing house obtains, when there being the current residual electricity of at least one electronic equipment to be when being more than or equal to default charge threshold, determined the mode of operation of two electronic equipments needing to perform charging operations by mode of operation determining unit.Described mode of operation comprises charge mode and discharge mode.
In the present embodiment, electronic equipment is according to the bottom-up information of self, and learning self can for the information of the mode of operation performed.Accordingly, on the one hand, exchanging self at two electric rooms established a communications link can for the information of the mode of operation performed and by the information displaying of described mode of operation in described man-machine interface; On the other hand, in the man-machine interface of electronic equipment, the execution option of corresponding mode of operation is provided according to the information of the mode of operation of Gong the execution of electronic equipment self, for the mode of operation determining to perform.
In addition, the information of described mode of operation is determined according to the bottom-up information of electronic equipment, comprise: if when the current residual electricity of electronic equipment is more than or equal to described charge threshold, then described electronic equipment can comprise charge mode and discharge mode for the mode of operation performed; If when the current residual electricity of electronic equipment is less than described charge threshold, then described electronic equipment only can comprise charge mode for the mode of operation performed.
Further, there is different executable mode of operations according to respective bottom-up information due to two electronic equipments.Determining to need in the mode of operation of two electronic equipments performing charging operations, demand fulfillment condition: the mode of operation of one of them electronic equipment is defined as charge mode, the mode of operation of another electronic equipment is defined as discharge mode.Here, especially, if when the current residual electricity of two electronic equipments is all less than respective described charge threshold, then two electronic equipments all only can comprise charge mode for the mode of operation performed, corresponding charging operations cannot be performed, now, the man-machine interface 104 of two electronic equipments can be pointed out the information of the battery electric quantity deficiency of the other side, and other electronic equipment of recommended replacement.
Step S407, according to the mode of operation of two electronic equipments determined, performs charging operations.
In the present embodiment, step S407 specifically comprises:
Electronic equipment under utilizing mode of operation determining unit to determine to be operated in charge mode, utilize microcontroller 112 to be opened by charge inside unit 116, and the electronic equipment transmission be operated under discharge mode is ready to complete information to utilizing mode of operation determining unit to determine;
The electronic equipment determining to be operated under discharge mode controls buck unit 118 according to the bottom-up information that clearing house obtains and performs buck action, the output voltage of buck unit 118 is adapted to determine to be operated in the charging voltage of the electronic equipment under charge mode, and the maximum current exporting and need when maximum current adapts to the electronic equipment charging determined to be operated under charge mode is set;
Determine to be operated in electronic equipment under discharge mode receive that the electronic equipment determining to be operated under charge mode sends be ready to complete information after, open discharge cell 120 and start to charge to the first electronic equipment;
In charging process, the charged state immediate feedback of oneself is operated in the electronic equipment under discharge mode to determining by the electronic equipment determining to be operated under charge mode.Electronic equipment under discharge mode is operated in when determining the electronic equipment charging be operated under charge mode if determine, determining to be operated in determination that the electronic equipment under discharge mode receives, to be operated in electronic equipment feedack under charge mode consistent with initial condition or do not receive the electronic equipment feedack determined to be operated under charge mode all the time, then interrupt charging process and feedback error information.If in charging process, the electronic equipment determining to be operated under discharge mode detects the current residual electricity obtaining self rechargeable battery and is less than described charge threshold, then interrupt charging, and information feed back is operated in the electronic equipment under charge mode to determining, the man-machine interface of two electronic equipments is pointed out the information of the battery electric quantity deficiency of the other side, and other electronic equipment of recommended replacement, complete charge operates; After the battery being operated in the electronic equipment under charge mode if determine is full of, to the information that the electronic equipment feedback battery determining to be operated under discharge mode is full of, the electronic equipment determining to be operated under discharge mode interrupts charging process according to feedack, completes charging.
In sum, the invention provides the charging method of electric room, charging circuit and be configured with the electronic equipment of charging circuit, described charging technique, the audio interface that mainly make use of widely used support 4 segmentation audio jack in electronic equipment establishes a communications link at electric room, that obtain the other side by the exchange of bottom-up information with relevant information (such as charge threshold that is rechargeable battery, current residual electricity etc.), according to the bottom-up information that clearing house obtains, for respective mode of operation determined by the both sides' electronic equipment established a communications link, according to the mode of operation determined, start corresponding discharge circuit and charging circuit, to perform corresponding charging operations, thus achieve the mutual charging of the electric room being configured with audio interface, solve these electronic equipments charging inconvenience or the problem of loaded down with trivial details and mutual charging difficulty of charging.
Refer to Fig. 5, illustrate that the electronic equipment being configured with charging circuit provided by the present invention realizes the embody rule of mutual charging method by with an instantiation below.In the following description, suppose to charge at two electric rooms, two electronic equipments are called electronic equipment A and electronic equipment B, wherein, electronic equipment A is configured with rechargeable battery A and supports the audio interface of 4 segmentation audio jack, and electronic equipment B is configured with rechargeable battery B and supports the audio interface of 4 segmentation audio jack.
First, the audio interface of electronic equipment A to electronic configurations detects, to determine whether audio interface is inserted with 4 segmentation audio jack; When if detect audio interface being inserted with 4 segmentation audio jack, attempt establishing a communications link with electronic equipment B by the first communication section, second communication section and I2C communication protocol in the 4 segmentation audio jack inserted; When if detect audio interface not inserting 4 segmentation audio jack, continue to wait for.Correspondingly, the audio interface of electronic equipment B to electronic configurations detects, to determine whether audio interface is inserted with 4 segmentation audio jack; When if detect audio interface being inserted with 4 segmentation audio jack, attempt establishing a communications link with electronic equipment A by the first communication section, second communication section and I2C communication protocol in the 4 segmentation audio jack inserted; When if detect audio interface not inserting 4 segmentation audio jack, continue to wait for.By above-mentioned steps, when the audio interface of the audio interface and electronic equipment B of guaranteeing electronic equipment A inserts two 4 segmentation audio jack of same 4 segmentation audio signal wires respectively, establish a communications link between electronic equipment A and electronic equipment B.
Then, between the electronic equipment A established a communications link and electronic equipment B, carry out the exchange of bottom-up information.By the exchange of bottom-up information, just can: on the display screen of electronic equipment A, demonstrate bottom-up information relevant to rechargeable battery B in electronic equipment B (comprising: charging voltage, charging maximum current, the current residual electricity of charged battery capacity, default charge threshold and rechargeable battery), and on the display screen of electronic equipment B, demonstrate bottom-up information relevant to rechargeable battery A in electronic equipment A (comprising: charging voltage, charging maximum current, the current residual electricity of charged battery capacity, default charge threshold and rechargeable battery).
Then, according to the bottom-up information of rechargeable battery B in the bottom-up information of rechargeable battery A in electronic equipment A and electronic equipment B, what judge two electronic equipments can execution work pattern.
Particularly:
If in situation 1 electronic equipment A the current residual electricity of rechargeable battery A be less than its charge threshold A and in electronic equipment B, the current residual electricity of rechargeable battery B is less than its charge threshold B time, then electronic equipment A and electronic equipment B can for perform mode of operation all be only limitted to charge mode.
If in situation 2 electronic equipment A the current residual electricity of rechargeable battery A be less than its charge threshold A and in electronic equipment B, the current residual electricity of rechargeable battery B is more than or equal to its charge threshold B time, then, electronic equipment A can be only limitted to charge mode for the mode of operation performed, and electronic equipment B can comprise charge mode and discharge mode for the mode of operation performed.
If in situation 3 electronic equipment A rechargeable battery A current residual electricity but with equal its charge threshold A and in electronic equipment B, the current residual electricity of rechargeable battery B is more than or equal to its charge threshold B time, then, electronic equipment A and electronic equipment B can include charge mode and discharge mode for the mode of operation performed.
For situation 1, because electronic equipment A and electronic equipment B all can be only limitted to charge mode for the mode of operation performed, then follow-up nature cannot perform corresponding charging operations, now, the display screen of two electronic equipments can be pointed out the information of the battery electric quantity deficiency of the other side, and other electronic equipment of recommended replacement.
For situation 2, electronic equipment A performs option by the mode of operation on display screen and determines that the mode of operation that need perform is charge mode, because electronic equipment A determines charge mode, then by the mode of operation execution option on display screen, electronic equipment B determines that the mode of operation that need perform is discharge mode, like this, electronic equipment B just starts as electronic equipment A charges, in charging process, electronic equipment A by the charged state immediate feedback of oneself to electronic equipment B.Further, 2-1) if electronic equipment B receive electronic equipment A feedback information all the time consistent with initial condition or do not receive the feedback information of electronic equipment A time, electronic equipment B interrupts charging process and feedback error information; 2-2), because electric energy exports, if in charging process, electronic equipment B detects the current residual electricity obtaining self rechargeable battery B when being less than charge threshold B, then, electronic equipment B interrupts charging operations, and by information feed back to electronic equipment A, the display screen of two electronic equipments is pointed out the information of the battery electric quantity deficiency of the other side, and other electronic equipment of recommended replacement, complete charge operates; If the feedback information that 2-3) electronic equipment B receives electronic equipment A shows that the rechargeable battery A of electronic equipment A is full of electric energy, then, electronic equipment B interrupts charging operations, completes charging.
For situation 3, because two electronic equipments can include charge mode and discharge mode for the mode of operation performed, therefore, by different selections, different multiple charge mode combinations can be formed.
3-A), by the mode of operation execution option on display screen, electronic equipment A determines that the mode of operation that need perform is charge mode, because electronic equipment A determines charge mode, then by the mode of operation execution option on display screen, electronic equipment B determines that the mode of operation that need perform is discharge mode, like this, electronic equipment B just starts as electronic equipment A charges, in charging process, electronic equipment A by the charged state immediate feedback of oneself to electronic equipment B.Further, 3-A-1) if electronic equipment B receive electronic equipment A feedback information all the time consistent with initial condition or do not receive the feedback information of electronic equipment A time, electronic equipment B interrupts charging process and feedback error information; 3-A-2), because electric energy exports, if in charging process, electronic equipment B detects the current residual electricity obtaining self rechargeable battery B when being less than charge threshold B, then, electronic equipment B interrupts charging operations, and by information feed back to electronic equipment A, the display screen of two electronic equipments is pointed out the information of the battery electric quantity deficiency of the other side, and other electronic equipment of recommended replacement, complete charge operates; If the feedback information that 3-A-3) electronic equipment B receives electronic equipment A shows that the rechargeable battery A of electronic equipment A is full of electric energy, then, electronic equipment B interrupts charging operations, completes charging.
3-B), by the mode of operation execution option on display screen, electronic equipment B determines that the mode of operation that need perform is charge mode, because electronic equipment B determines charge mode, then by the mode of operation execution option on display screen, electronic equipment A determines that the mode of operation that need perform is discharge mode, like this, electronic equipment A just starts as electronic equipment B charges, in charging process, electronic equipment B by the charged state immediate feedback of oneself to electronic equipment A.Further, 3-B-1) if electronic equipment A receive electronic equipment B feedback information all the time consistent with initial condition or do not receive the feedback information of electronic equipment B time, electronic equipment A interrupts charging process and feedback error information; 3-B-2), because electric energy exports, if in charging process, electronic equipment A detects the current residual electricity obtaining self rechargeable battery A when being less than charge threshold A, then, electronic equipment A interrupts charging operations, and by information feed back to electronic equipment B, the display screen of two electronic equipments is pointed out the information of the battery electric quantity deficiency of the other side, and other electronic equipment of recommended replacement, complete charge operates; If the feedback information that 3-B-3) electronic equipment A receives electronic equipment B shows that the rechargeable battery B of electronic equipment B is full of electric energy, then, electronic equipment A interrupts charging operations, completes charging.
Above-described embodiment only listing property illustrates principle of the present invention and effect, but not for limiting the present invention.Any person skilled in the art person all can without departing from the spirit and scope of the present invention, modify to above-described embodiment.Therefore, the scope of the present invention, should listed by claims.

Claims (20)

1. a charging method for electric room, described electronic equipment is at least configured with rechargeable battery, man-machine interface and supports the audio interface of 4 segmentation audio jack; It is characterized in that, described charging method comprises:
Step one: utilize 4 segmentation audio signal wires to establish a communications link at two electric rooms; The end of described 4 segmentation audio signal wires is configured with the 4 segmentation audio jack for the audio interface inserting described electronic equipment;
Step 2: carry out the exchange of bottom-up information at two electric rooms established a communications link and described bottom-up information is shown in described man-machine interface, described bottom-up information comprises: charging voltage, charging maximum current, charged battery capacity, default charge threshold and current residual electricity;
Step 3: the bottom-up information obtained according to clearing house, when there being the current residual electricity of at least one electronic equipment to be when being more than or equal to default charge threshold, determines the mode of operation needing two electronic equipments performing charging operations; Described mode of operation comprises charge mode and discharge mode; Determining to need in the mode of operation of two electronic equipments performing charging operations, the mode of operation of one of them electronic equipment is defined as charge mode, and the mode of operation of another electronic equipment is defined as discharge mode;
Step 4: according to the mode of operation of two electronic equipments determined, performs charging operations.
2. the charging method of electric room according to claim 1, is characterized in that, described man-machine interface comprises combination or the Touch Screen of display screen and input keyboard.
3. the charging method of electric room according to claim 1, is characterized in that, the specification of described audio interface and described 4 segmentation audio jack is 2.5mm or 3.5mm.
4. the charging method of the electric room according to claim 1 or 3, is characterized in that, described 4 segmentation audio jack, and 4 sections from top to the bottom of plug are respectively the first communication section, second communication section, charging control section, ground section.
5. the charging method of electric room according to claim 4, is characterized in that, utilizes 4 segmentation audio signal wires to establish a communications link at two electric rooms and comprise in step one:
Two 4 segmentation audio jack of the end of 4 segmentation audio signal wires are inserted two electronic equipments respectively;
Any one electronic equipment for wherein: detect and the audio interface that self configures has been inserted with 4 segmentation audio jack; Attempt setting up with the electronic equipment that another 4 segmentation audio jack of 4 segmentation audio signal wires is inserted communicating by the first communication section, second communication section and the I2C communication protocol in 4 segmentation audio jack of insertion, until set up communication at two electric rooms.
6. the charging method of electric room according to claim 1 or 5, is characterized in that,
In step 2, be also included in two electric rooms established a communications link exchange self can for the information of the mode of operation performed and by the information displaying of described mode of operation in described man-machine interface;
In step 3, the information also comprising the mode of operation of Gong the execution according to electronic equipment self provides the execution option of corresponding mode of operation, for the mode of operation determining to perform in the man-machine interface of electronic equipment.
7. the charging method of electric room according to claim 6, is characterized in that,
The information of described mode of operation determines according to the bottom-up information of electronic equipment;
If when the current residual electricity of electronic equipment is more than or equal to described charge threshold, then described electronic equipment can comprise charge mode and discharge mode for the mode of operation performed;
If when the current residual electricity of electronic equipment is less than described charge threshold, then described electronic equipment only can comprise charge mode for the mode of operation performed.
8. the charging method of electric room according to claim 7, is characterized in that,
If when the current residual electricity of two electronic equipments is all less than respective described charge threshold, then two electronic equipments all only can comprise charge mode for the mode of operation performed, two electronic equipments can be pointed out the information of the battery electric quantity deficiency of the other side, and other electronic equipment of recommended replacement.
9. the charging method of electric room according to claim 1, is characterized in that, performs charging operations and comprise in step 4:
Determining to be operated in the electronic equipment under charge mode, being ready to complete information to determining that the electronic equipment be operated under discharge mode sends;
Determine to be operated in bottom-up information that electronic equipment under discharge mode obtains according to clearing house and carry out the charging voltage that buck controls to determine to make output voltage adapt to the electronic equipment be operated under charge mode, and the maximum current exporting and need when maximum current adapts to the electronic equipment charging determined to be operated under charge mode is set;
Determine to be operated in electronic equipment under discharge mode receive that the electronic equipment determining to be operated under charge mode sends be ready to complete information after, start to charge to the first electronic equipment.
10. the charging method of electric room according to claim 9, is characterized in that, also comprises:
In charging process, the charged state immediate feedback of oneself is operated in the electronic equipment under discharge mode to determining by the electronic equipment determining to be operated under charge mode.
The charging method of 11. electric rooms according to claim 10, is characterized in that, also comprise:
Electronic equipment under discharge mode is operated in when determining the electronic equipment charging be operated under charge mode if determine, determining to be operated in determination that the electronic equipment under discharge mode receives, to be operated in electronic equipment feedack under charge mode consistent with initial condition or do not receive the electronic equipment feedack determined to be operated under charge mode all the time, then interrupt charging process and feedback error information.
The charging method of 12. electric rooms according to claim 10, is characterized in that, also comprise:
If in charging process, the electronic equipment determining to be operated under discharge mode detects the current residual electricity obtaining self rechargeable battery and is less than described charge threshold, then interrupt charging, and information feed back is operated in the electronic equipment under charge mode to determining, the man-machine interface of two electronic equipments is pointed out the information of the battery electric quantity deficiency of the other side, and other electronic equipment of recommended replacement, complete charge operates;
After the battery being operated in the electronic equipment under charge mode if determine is full of, to the information that the electronic equipment feedback battery determining to be operated under discharge mode is full of, the electronic equipment determining to be operated under discharge mode interrupts charging process according to feedack, completes charging.
The charging circuit of 13. 1 kinds of electronic equipments, described electronic equipment is at least configured with rechargeable battery, man-machine interface and supports the audio interface of 4 segmentation audio jack; It is characterized in that, described charging circuit comprises: electric power detection unit, interface detecting unit, and microcontroller, is controlled by the communication unit of described microcontroller, charhing unit and discharge cell, and mode of operation determining unit;
Electric power detection unit, for the current residual electricity of rechargeable battery in detected electrons equipment;
Whether interface detecting unit, be inserted with 4 segmentation audio jack in the audio interface of detected electrons Equipments Setting;
Communication unit, for detect at described interface detecting unit audio interface is inserted with 4 segmentation audio jack after another electronic equipment of inserting with the other end 4 segmentation audio jack of 4 segmentation audio signal wires corresponding to the described 4 segmentation audio jack inserted according to the control of described microcontroller set up and communicate, make carry out the exchange of bottom-up information at two electric rooms established a communications link and described bottom-up information is shown in described man-machine interface; Described bottom-up information comprises: charging voltage, charging maximum current, the current residual electricity of charged battery capacity, default charge threshold and rechargeable battery;
Mode of operation determining unit, the bottom-up information for obtaining according to clearing house determines the mode of operation being suitable for electronic equipment itself; Described mode of operation comprises charge mode and discharge mode; Determining to need in the mode of operation of two electronic equipments performing charging operations, the mode of operation of one of them electronic equipment is chosen as charge mode, and the mode of operation of another electronic equipment is chosen as discharge mode; Under described discharge mode, the current residual electricity of electronic equipment is that requirement is more than or equal to default charge threshold;
Charhing unit, the mode of operation determined for utilizing mode of operation determining unit at electronic equipment starts to receive the charging of another electronic equipment for being controlled by described microcontroller when charge mode;
Discharge cell, the mode of operation determined for utilizing mode of operation determining unit at electronic equipment is charged to the electronic equipment selected under charge mode for being controlled by described microcontroller when discharge mode.
The charging circuit of 14. electronic equipments according to claim 13, is characterized in that, described man-machine interface comprises combination or the Touch Screen of display screen and input keyboard.
The charging circuit of 15. electronic equipments according to claim 13, is characterized in that, the specification of described audio interface and described 4 segmentation audio jack is 2.5mm or 3.5mm.
The charging circuit of 16. electronic equipments according to claim 15, is characterized in that, described 4 segmentation audio jack, and 4 sections from top to the bottom of plug are respectively the first communication section, second communication section, charging control section, ground section.
The charging circuit of 17. electronic equipments according to claim 13, is characterized in that,
The information of described mode of operation determines according to the bottom-up information of electronic equipment;
If when the current residual electricity of electronic equipment is more than or equal to described charge threshold, then described electronic equipment can comprise charge mode and discharge mode for the mode of operation performed;
If when the current residual electricity of electronic equipment is less than described charge threshold, then described electronic equipment only can comprise charge mode for the mode of operation performed.
The charging circuit of 18. electronic equipments according to claim 13, is characterized in that, also comprise:
Be controlled by described microcontroller and the buck unit be connected with described discharge cell;
The mode of operation that described buck unit is used for utilizing mode of operation determining unit to determine at electronic equipment carries out buck action to make the charging voltage of the electronic equipment under output voltage and charge mode suitable for being controlled by described microcontroller when discharge mode.
19. 1 kinds of electronic equipments, are configured with rechargeable battery, man-machine interface and support the audio interface of 4 segmentation audio jack, it is characterized in that, also comprise: the charging circuit according to any one of claim 13 to 18.
20. electronic equipments according to claim 19, is characterized in that, described electronic equipment comprises mobile phone, personal digital assistant PDA, portable audio-visual playback equipment, panel computer or notebook computer.
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