CN103683350A - Charging method and charging circuit of electronic equipment, and electronic equipment - Google Patents
Charging method and charging circuit of electronic equipment, and electronic equipment Download PDFInfo
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- CN103683350A CN103683350A CN201210338896.5A CN201210338896A CN103683350A CN 103683350 A CN103683350 A CN 103683350A CN 201210338896 A CN201210338896 A CN 201210338896A CN 103683350 A CN103683350 A CN 103683350A
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Abstract
The invention provides a charging method and charging circuit of electronic equipment, and the electronic equipment provided with the charging circuit. Mainly Mini-USB slots widely used in electronic equipment are used for establishing communication connection between the electronic equipment, information of an opposite side relevant to a charging battery is obtained through the exchanging of bottom layer information, respective operation mode of both electronic equipment between which communication connection is established is fixed according to the bottom layer information obtained through exchanging, and corresponding discharging circuit and charging circuit are started according to the fixed operation mode, so as to carry out corresponding charging operation, so that charging between electronic equipment with the Mini-USB slots is realized, and the problems that the electronic equipment is inconvenient or frequent to charge and charging is difficultly performed between the electronic equipment are solved.
Description
Technical field
The present invention relates to electronic equipment charging field, particularly the charging circuit of electronic equipment, the charging method that disposes the electronic equipment of charging circuit and realize electric room.
Background technology
The development that flies along with the communication technology and electronic technology, the mobile terminal product that comprises 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, has obtained application very widely.On these mobile terminals, can realize several functions and application service.
With the most common smart mobile phone, its hardware operational capability 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 etc.).For example, for example, but processor (CPU), lcd screen and various types of hardware accelerator (image processor), can consume more electric energy.And the rechargeable battery of smart mobile phone is a short slab with respect to otherwise technology, the technological means based on current and Financial cost also have considering of volume (light, thin, short, little development trend), and rechargeable battery can not be accomplished unrestricted capacity.And then the single charge life cycle of smart mobile phone significantly shortens, after power consumption is complete, just cannot continue to use and be badly in need of charging, but (for example outdoor, do not carry charger) in some cases cannot charge to these electronic equipments in time.Therefore,, as a kind of alternative measure, the user that some use smart mobile phone, can be equipped with polylith reserve battery or carry the special-purpose portable charger with charge function.And the use of these auxiliary equipment, for user, need to be carried extra accessory and bring the inconvenience in use.In addition, for example, for carrying portable charger (on the market common portable power source), in order to tackle the distinct interface of each class of electronic devices on the market, often need the configuration multiple plug corresponding with each distinct interface, increased further use not convenient.
Summary of the invention
The object of the present invention is to provide a kind of charging method, charging circuit and electronic equipment of electric room, for solving electronic equipment charging inconvenience or the loaded down with trivial details problem of charging.
For addressing the above problem and other problems, one aspect of the present invention provides a kind of charging method of electric room, and described electronic equipment at least disposes rechargeable battery, man-machine interface and Mini-USB slot; Described charging method comprises:
Step 1: utilize Mini-USB holding wire to establish a communications link at two electric rooms; The end of described Mini-USB holding wire disposes for the Mini-USB plug that inserts the Mini-USB slot of described electronic equipment;
Step 2: carry out the exchange of bottom-up information and described bottom-up information is shown in described man-machine interface at two electric rooms that establish a communications link, described bottom-up information comprises: charging voltage, charging maximum current, rechargeable battery capacity, default charge threshold and current residual electric weight;
Step 3: the bottom-up information obtaining according to clearing house is to be more than or equal to default charge threshold in the situation that there is the current residual electric weight of at least one electronic equipment, the definite mode of operation that need to carry out two electronic equipments of charging operations; Described mode of operation comprises charge mode and discharge mode; In determining the mode of operation of two electronic equipments need to carrying out 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 determining, carry out charging operations.
Alternatively, described man-machine interface comprises combination or the Touch Screen of display screen and input keyboard.
Alternatively, described Mini-USB plug and corresponding described Mini-USB slot have 5 pins, and wherein, two pins are as first, second pin of communicating by letter, a pin is controlled pin, a pin as grounding pin as charging, and a pin is as detecting pin.
Alternatively, in step 1, utilize Mini-USB holding wire to establish a communications link and comprise at two electric rooms: two Mini-USB plugs of the end of Mini-USB holding wire are inserted respectively to two electronic equipments; For any electronic equipment wherein: detect on the Mini-USB slot of self configuration and be inserted with Mini-USB plug; The electronic equipment of attempting inserting with another Mini-USB plug of Mini-USB holding wire by first, second communication pin in the Mini-USB plug inserting and I2C communication protocol is set up and is communicated by letter, until set up communication at two electric rooms.
Alternatively, in step 2, be also included in two electric rooms that establish a communications link and exchange the information of the mode of operation that self can supply execution and the information of described mode of operation is shown in described man-machine interface; In step 3, also comprise the execution option that corresponding mode of operation is provided in the man-machine interface of electronic equipment according to the information of the mode of operation of Gong the execution of electronic equipment self, for determining the mode of operation that needs execution.
Alternatively, the information of described mode of operation is to determine according to the bottom-up information of electronic equipment; When if the current residual electric weight of electronic equipment is more than or equal to described charge threshold, described electronic equipment can comprise charge mode and discharge mode for the mode of operation of carrying out; When if the current residual electric weight of electronic equipment is less than described charge threshold, described electronic equipment can only comprise charge mode for the mode of operation of carrying out.
Alternatively, when if the current residual electric weight of two electronic equipments is all less than described charge threshold separately, two electronic equipments can all only comprise charge mode for the mode of operation of carrying out, the information of battery electric quantity deficiency that can prompting the other side on two electronic equipments, and other electronic equipment of recommended replacement.
Alternatively, in step 4, carry out charging operations and comprise: determine and be operated in the electronic equipment under charge mode, to determining that the electronic equipment being operated under discharge mode sends the information that is ready to complete; Determine that be operated in bottom-up information that the electronic equipment under discharge mode obtains according to clearing house carries out buck control and determine so that output voltage adapts to the charging voltage that is operated in the electronic equipment under charge mode, and output maximum current is set adapts to the maximum current needing while determining the electronic equipment charging being operated under charge mode; Determine that the electronic equipment be operated under discharge mode determines being ready to complete after information that the electronic equipment that is operated under charge mode sends receiving, start the first electronic equipment to charge.
Alternatively, described charging method also comprises: in charging process, determine that the electronic equipment being operated under charge mode is operated in the electronic equipment under discharge mode by the charged state immediate feedback of oneself to determining.
Alternatively, described charging method also comprises: when the electronic equipment being operated under discharge mode if determine charges to definite electronic equipment being operated under charge mode, determine that the electronic equipment be operated under discharge mode receives definite to be operated in electronic equipment feedack under charge mode consistent with initial condition or do not receive and determine and be operated in the electronic equipment feedack under charge mode all the time, interrupt charging process feedback error information.
Alternatively, described charging method also comprises: if in charging process, determine that the electronic equipment be operated under discharge mode detects the current residual electric weight that obtains self rechargeable battery and is less than described charge threshold, interrupt charging, and information is fed back to definite electronic equipment under charge mode that is operated in, in the man-machine interface of two electronic equipments, point out the information of the other side's battery electric quantity deficiency, and other electronic equipment of recommended replacement, complete charge operation; After if definite battery that is operated in the electronic equipment under charge mode is full of, to determining that the electronic equipment being operated under discharge mode feeds back the information that battery is full of, determine that the electronic equipment being 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 at least disposes rechargeable battery, man-machine interface and Mini-USB slot; Described charging circuit comprises: electric weight detecting unit, interface detecting unit, and microcontroller, is controlled by communication unit, charhing unit and the discharge cell of described microcontroller and mode of operation determining unit; Electric weight detecting unit, for detection of the current residual electric weight of rechargeable battery in electronic equipment; Whether interface detecting unit, be inserted with Mini-USB plug on the Mini-USB slot for detection of electronic configurations; Communication unit, for at described interface detecting unit, detect on Mini-USB slot, be inserted with Mini-USB plug after according to the control of described microcontroller and another electronic equipment inserting with the other end Mini-USB plug of the corresponding Mini-USB holding wire of described Mini-USB plug inserting is set up and communicated by letter, make carry out the exchange of bottom-up information and described bottom-up information is shown in described man-machine interface at two electric rooms that establish a communications link; Described bottom-up information comprises: charging voltage, charging maximum current, rechargeable battery capacity, default charge threshold and the current residual electric weight of rechargeable battery; Mode of operation determining unit, determines for the bottom-up information obtaining according to clearing house the mode of operation that is suitable for electronic equipment itself; Described mode of operation comprises charge mode and discharge mode; In determining the mode of operation of two electronic equipments need to carrying out 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 electric weight of electronic equipment is that requirement is more than or equal to default charge threshold; Charhing unit, in the situation that electronic equipment utilizes the definite mode of operation of mode of operation determining unit, for charge mode is controlled by, described microcontroller starts to receive the charging of another electronic equipment; Discharge cell, in the situation that electronic equipment utilizes the definite mode of operation of mode of operation determining unit, for discharge mode is controlled by, described microcontroller charges to the electronic equipment under selection charge mode.
Alternatively, described man-machine interface comprises combination or the Touch Screen of display screen and input keyboard.
Described Mini-USB plug and corresponding described Mini-USB slot have 5 pins, and wherein, two pins are as first, second pin of communicating by letter, and a pin is controlled pin, a pin as grounding pin as charging, and a pin is as detecting pin.
Alternatively, the information of described mode of operation is to determine according to the bottom-up information of electronic equipment; When if the current residual electric weight of electronic equipment is more than or equal to described charge threshold, described electronic equipment can comprise charge mode and discharge mode for the mode of operation of carrying out; When if the current residual electric weight of electronic equipment is less than described charge threshold, described electronic equipment can only comprise charge mode for the mode of operation of carrying out.
Alternatively, described charging circuit also comprises: the buck unit that is controlled by described microcontroller and is connected with described discharge cell; Described buck unit is in the situation that electronic equipment utilizes the definite mode of operation of mode of operation determining unit, for discharge mode is controlled by, described microcontroller carries out buck action so that the charging voltage of the electronic equipment under output voltage and charge mode is suitable.
The present invention, providing a kind of electronic equipment on the one hand again, disposes rechargeable battery, man-machine interface, Mini-USB slot 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 the electronic equipment that disposes charging circuit, described charging technique, mainly to have utilized widely used Mini-USB slot in electronic equipment to establish a communications link at electric room, exchange by bottom-up information obtains the other side and relevant information rechargeable battery (charge threshold for example, current residual electric weight etc.), the bottom-up information obtaining according to clearing house, for the both sides' electronic equipment establishing a communications link is determined mode of operation separately, according to definite mode of operation, start corresponding discharge circuit and charging circuit, to carry out corresponding charging operations, thereby realized the mutual charging of the electric room that disposes Mini-USB slot, these electronic equipment charging inconvenience or difficult problems of loaded down with trivial details and mutual charging of charging have been solved.
Accompanying drawing explanation
Fig. 1 realizes the schematic diagram of charging at two electric rooms in the present invention.
Fig. 2 is the theory diagram that has shown electronic equipment of the present invention.
Fig. 3 is the definition figure of the applicable Mini-USB slot of 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 charges the problem such as loaded down with trivial details.
Therefore, the present inventor improves prior art, proposed be a kind ofly assemblied in charging circuit in electronic equipment and utilize charging circuit to realize the charging method of electric room, mainly to have utilized widely used Mini-USB slot in electronic equipment after electric room establishes a communications link, to determine mode of operation separately, carry out corresponding charging operations, realize the mutual charging of the electric room that disposes Mini-USB slot, solved these electronic equipment charging inconvenience or difficult problems of loaded down with trivial details and mutual charging of charging.
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy and only show with assembly relevant in the present invention in graphic but not component count, shape and size drafting while implementing according to reality, during its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
Refer to Fig. 1, it has shown realizes at two electric rooms the schematic diagram charging in the present invention.As shown in Figure 1, electronic equipment A and electronic equipment B bulk charge battery, man-machine interface and Mini-USB slot.In the present invention, utilize the Mini-USB slot of configuration and pass through I2C communication protocol, can realize the communication connection between electronic equipment A and electronic equipment B, between carries out the exchange of the information relevant to rechargeable battery and these information is shown in man-machine interface, according to the information of exchange, make two electronic equipments all can immediately grasp self and the other side's rechargeable battery information, and by the man-machine information exchange of man-machine interface, determine two electronic equipments corresponding mode of operation separately accordingly, thereby between is carried out corresponding charging operations, (what solid line a and dotted line b represented is delivery of electrical energy direction, wherein, what solid line a represented is that electronic equipment A is electronic equipment B charging, what dotted line b represented is that electronic equipment B is electronic equipment A charging).Whole charging process is simple, time saving and energy saving, convenient and swift.
Refer to Fig. 2, it has shown 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, Mini-USB slot 106 and charging circuit, wherein, described charging circuit further comprises: electric weight detecting unit 108, interface detecting unit 110, microcontroller 112, the communication unit 114, charhing unit 116, buck unit 118 and the discharge cell 120 that are controlled by microcontroller 112, 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.
The power consumption parts that rechargeable battery 102 is used in electronic equipment provide electric power support.
Man-machine interface 104, claims again user interface or user interface, is medium and the interface that carries out mutual and information exchange between electronic equipment and user, and internal form and people that it realizes information can accept the conversion between form.In the present invention, man-machine interface 104 can be comprise the combination of display screen and input keyboard but not as limit, in other application, also can only comprise Touch Screen.
Electric weight detecting unit 108 is for detection of the current residual electric weight of rechargeable battery in electronic equipment.Because the detection of the current residual electric weight for rechargeable battery is well known to those skilled in the art, and in the present invention, as long as can obtain the current residual electric weight of rechargeable battery, therefore, at this, for electric weight detecting unit 108, no longer repeated.
On the Mini-USB slot of interface detecting unit 110 for detection of electronic configurations, whether be inserted with Mini-USB plug.In the present invention, when Mini-USB plug is inserted on Mini-USB slot, interface detecting unit 110 can judge by the detection pin d on Mini-USB plug.
Mode of operation determining unit determines for the bottom-up information obtaining according to clearing house the mode of operation that is suitable for electronic equipment itself.In the present invention, described mode of operation comprises charge mode and discharge mode, wherein, under discharge mode, need to meet following condition: the current residual electric weight of electronic equipment is that requirement is more than or equal to default charge threshold.Specifically: when the current residual electric weight of electronic equipment is while 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 electric weight of electronic equipment is while being less than default charge threshold, the executable mode of operation of described electronic equipment is only charge mode.In addition, in actual applications, utilize mode of operation determining unit to determine that the operation of mode of operation is such: when two electric rooms complete after bottom-up information exchange, these bottom-up informations can be presented in the man-machine interface 104 of electronic equipment, make to demonstrate the other side's electronic equipment in the man-machine interface 104 of our electronic equipment in the bottom-up information relevant to rechargeable battery; Simultaneously, according to the current residual electric weight of the rechargeable battery of our electronic equipment, in the man-machine interface of our electronic equipment, provide our electronic equipment can supply the option of the mode of operation of execution, user is according to actual conditions, selection is suitable for the mode of operation of our electronic equipment, mode of operation determining unit according to user the selection in man-machine interface confirm the mode of operation of our electronic equipment.Have again, for realizing the charging operations at two electric rooms, that just requires: in determining the mode of operation of two electronic equipments need to carrying out 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 chosen as discharge mode.So, when carrying out charging operations, can be just to select the electronic equipment of charge mode to charge by the electronic equipment of selecting power generation mode.
Discharge cell, is connected with buck unit 118, in the situation that electronic equipment utilizes the definite mode of operation of mode of operation determining unit for discharge mode is controlled by microcontroller 112, the electronic equipment under selection charge mode to be charged, exports electric energy.
The present invention separately provides a kind of and has utilized above-mentioned electronic equipment to realize the method that electric room charges mutually, and Fig. 4 has shown the schematic flow sheet of charging method of the present invention.Shown in Fig. 2 and Fig. 4, described charging method comprises:
Step S401, utilizes Mini-USB holding wire to establish a communications link at two electric rooms.
In the present invention, described electronic configurations has Mini-USB slot 106, and the end of described Mini-USB holding wire disposes for the Mini-USB plug that inserts the Mini-USB slot 106 of described electronic equipment.In actual applications, step S401 specifically comprises: two Mini-USB plugs of the end of Mini-USB holding wire are inserted respectively to two electronic equipments; Mini-USB slot 106 by 110 pairs of electronic configurations of interface detecting unit detects, to determine whether be inserted with Mini-USB plug on Mini-USB slot 106; At interface detecting unit 110, detect be inserted with Mini-USB plug on Mini-USB slot 106 in the situation that, by communication unit 114, according to the control of microcontroller 112 the electronic equipment foundation attempting inserting with another Mini-USB plug of Mini-USB holding wire by first, second communication pin in the Mini-USB plug inserting and I2C communication protocol, communicated by letter, until set up communication at two electric rooms, two electronic equipments are established a communications link.
Step S403, at two electric rooms that establish a communications link, carry out the exchange of bottom-up information and described bottom-up information be shown in described man-machine interface, make just can to demonstrate the other side's electronic equipment in the man-machine interface 104 of our electronic equipment in the bottom-up information relevant to rechargeable battery.
In the present invention, described bottom-up information can comprise some performance parameters relevant to rechargeable battery, for example: charging voltage, charging maximum current, rechargeable battery capacity, default charge threshold and the current residual electric weight of rechargeable battery.Described current residual electric weight is detected and is obtained by electric weight detecting unit 108.It should be noted that, because product type, the model of each electronic equipment are different, the rechargeable battery of configuration also may be different, therefore, above-mentioned performance parameter (charging voltage, charging maximum current, rechargeable battery capacity, default charge threshold and the current residual electric weight of rechargeable battery) for different electronic equipments, there is different set points.
Step S405, the bottom-up information obtaining according to clearing house, in the situation that there is the current residual electric weight of at least one electronic equipment, be to be more than or equal to default charge threshold, by mode of operation determining unit, determine the mode of operation of two electronic equipments need to carrying out charging operations.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 be for the information of the mode of operation of carrying out.Accordingly, on the one hand, at two electric rooms that establish a communications link, exchange the information of the mode of operation that self can supply execution and the information of described mode of operation is shown in described man-machine interface; On the other hand, according to the information of the mode of operation of Gong the execution of electronic equipment self, in the man-machine interface of electronic equipment, provide the execution option of corresponding mode of operation, for determining the mode of operation that needs execution.
In addition, according to the bottom-up information of electronic equipment, determine the information of described mode of operation, comprise: if when the current residual electric weight of electronic equipment is more than or equal to described charge threshold, described electronic equipment can comprise charge mode and discharge mode for the mode of operation of carrying out; When if the current residual electric weight of electronic equipment is less than described charge threshold, described electronic equipment can only comprise charge mode for the mode of operation of carrying out.
Have again, because two electronic equipments have different executable mode of operations according to bottom-up information separately.In determining the mode of operation of two electronic equipments need to carrying out charging operations, need to satisfy 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, when if the current residual electric weight of two electronic equipments is all less than described charge threshold separately, two electronic equipments can all only comprise charge mode for the mode of operation of carrying out, cannot carry out corresponding charging operations, now, the information of battery electric quantity deficiency that can prompting the other side in the man-machine interface 104 of two electronic equipments, and other electronic equipment of recommended replacement.
Step S407, according to the mode of operation of two electronic equipments determining, carries out charging operations.
In the present embodiment, step S407 specifically comprises:
Utilize mode of operation determining unit to determine and be operated in the electronic equipment under charge mode, utilize microcontroller 112 that charge inside unit 116 is opened, and to utilizing the definite electronic equipment being operated under discharge mode of mode of operation determining unit to send the information that is ready to complete;
Determine and be operated in the bottom-up information control buck unit 118 execution bucks actions that the electronic equipment under discharge mode obtains according to clearing house, make the output voltage of buck unit 118 adapt to definite charging voltage that is operated in the electronic equipment under charge mode, and the maximum current needing when output maximum current adapts to definite electronic equipment charging being operated under charge mode is set;
Determine that the electronic equipment be operated under discharge mode determines being ready to complete after information that the electronic equipment that is operated under charge mode sends receiving, open discharge cell 120 and start the first electronic equipment is charged;
In charging process, determine that the electronic equipment being operated under charge mode is operated in the electronic equipment under discharge mode by the charged state immediate feedback of oneself to determining.When the electronic equipment being operated under discharge mode if determine charges to definite electronic equipment being operated under charge mode, determine that the electronic equipment be operated under discharge mode receives definite to be operated in electronic equipment feedack under charge mode consistent with initial condition or do not receive and determine and be operated in the electronic equipment feedack under charge mode all the time, interrupt charging process feedback error information.If in charging process, determine that the electronic equipment be operated under discharge mode detects the current residual electric weight that obtains self rechargeable battery and is less than described charge threshold, interrupt charging, and information is fed back to definite electronic equipment under charge mode that is operated in, in the man-machine interface of two electronic equipments, point out the information of the other side's battery electric quantity deficiency, and other electronic equipment of recommended replacement, complete charge operation; After if definite battery that is operated in the electronic equipment under charge mode is full of, to determining that the electronic equipment being operated under discharge mode feeds back the information that battery is full of, determine that the electronic equipment being 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 the electronic equipment that disposes charging circuit, described charging technique, mainly to have utilized widely used Mini-USB slot in electronic equipment to establish a communications link at electric room, exchange by bottom-up information obtains the other side and relevant information rechargeable battery (charge threshold for example, current residual electric weight etc.), the bottom-up information obtaining according to clearing house, for the both sides' electronic equipment establishing a communications link is determined mode of operation separately, according to definite mode of operation, start corresponding discharge circuit and charging circuit, to carry out corresponding charging operations, thereby realized the mutual charging of the electric room that disposes Mini-USB slot, these electronic equipment charging inconvenience or difficult problems of loaded down with trivial details and mutual charging of charging have been solved.
Refer to Fig. 5, below the electronic equipment that disposes charging circuit provided by the present invention with an instantiation explanation is realized to the concrete application of mutual charging method.In the following description, suppose to charge at two electric rooms, two electronic equipments are called to electronic equipment A and electronic equipment B, wherein, electronic equipment A disposes rechargeable battery A and Mini-USB slot, and electronic equipment B disposes rechargeable battery B and Mini-USB slot.
First, electronic equipment A detects the Mini-USB slot of electronic configurations, to determine whether be inserted with Mini-USB plug on Mini-USB slot; While being inserted with Mini-USB plug if detect on Mini-USB slot, by the first second communication pin in the Mini-USB plug inserting and I2C communication protocol, attempt establishing a communications link with electronic equipment B; While not inserting Mini-USB plug if detect on Mini-USB slot, continue to wait for.Correspondingly, electronic equipment B detects the Mini-USB slot of electronic configurations, to determine whether be inserted with Mini-USB plug on Mini-USB slot; While being inserted with Mini-USB plug if detect on Mini-USB slot, by first, second communication pin in the Mini-USB plug inserting and I2C communication protocol, attempt establishing a communications link with electronic equipment A; While not inserting Mini-USB plug if detect on Mini-USB slot, continue to wait for.Pass through above-mentioned steps, in the situation that guarantee that the Mini-USB slot of electronic equipment A and the Mini-USB slot of electronic equipment B have inserted respectively two Mini-USB plugs of same Mini-USB holding wire, establish a communications link between electronic equipment A and electronic equipment B.
Then, between the electronic equipment A establishing 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 and (comprising: charging voltage, charging maximum current, rechargeable battery capacity, default charge threshold and the current residual electric weight of rechargeable battery), and demonstrate bottom-up information relevant to rechargeable battery A in electronic equipment A on the display screen of electronic equipment B, (comprising: charging voltage, charging maximum current, rechargeable battery capacity, default charge threshold and the current residual electric weight of 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, judgement two electronic equipments can execution work pattern.
Particularly:
When if the current residual electric weight that in situation 1 electronic equipment A, the current residual electric weight of rechargeable battery A is less than rechargeable battery B in its charge threshold A and electronic equipment B is less than its charge threshold B, electronic equipment A and electronic equipment B can all only limit to charge mode for the mode of operation of carrying out.
If the current residual electric weight of rechargeable battery A is less than its charge threshold A and when the current residual electric weight of rechargeable battery B is more than or equal to its charge threshold B in electronic equipment B in situation 2 electronic equipment A,, electronic equipment A can only limit to charge mode for the mode of operation of carrying out, and electronic equipment B can comprise charge mode and discharge mode for the mode of operation of carrying out.
If the current residual electric weight of rechargeable battery A in situation 3 electronic equipment A but while being more than or equal to its charge threshold B with the current residual electric weight that equals rechargeable battery B in its charge threshold A and electronic equipment B,, electronic equipment A and electronic equipment B can include charge mode and discharge mode for the mode of operation of carrying out.
For situation 1, because electronic equipment A and electronic equipment B can all only limit to charge mode for the mode of operation of carrying out, follow-up nature cannot be carried out corresponding charging operations, now, the information of battery electric quantity deficiency that can prompting the other side on the display screen of two electronic equipments, and other electronic equipment of recommended replacement.
For situation 2, electronic equipment A carries out option by the mode of operation on display screen and determines that needing the mode of operation of carrying out is charge mode, due to electronic equipment, A has determined charge mode, electronic equipment B determines that by the mode of operation execution option on display screen needing the mode of operation of carrying out 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, if 2-1) feedback information that electronic equipment B receives electronic equipment A is consistent with initial condition or while not receiving the feedback information of electronic equipment A, electronic equipment B interrupts charging process feedback error information all the time; 2-2), due to electric energy output, if in charging process, when electronic equipment B detects the current residual electric weight obtain self rechargeable battery B and is less than charge threshold B,, electronic equipment B interrupts charging operations, and information is fed back to electronic equipment A, points out the information of the other side's battery electric quantity deficiency on the display screen of two electronic equipments, and other electronic equipment of recommended replacement, complete charge operation; If the feedback information that 2-3) electronic equipment B receives electronic equipment A shows that the rechargeable battery A of electronic equipment A has been full of electric energy,, 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 of carrying out, therefore, by different selections, can form different a plurality of charge mode combinations.
3-A), electronic equipment A determines that by the mode of operation execution option on display screen needing the mode of operation of carrying out is charge mode, due to electronic equipment, A has determined charge mode, electronic equipment B determines that by the mode of operation execution option on display screen needing the mode of operation of carrying out is discharge mode, like this, electronic equipment B just starts to charge for electronic equipment A, in charging process, electronic equipment A by the charged state immediate feedback of oneself to electronic equipment B.Further, if 3-A-1) feedback information that electronic equipment B receives electronic equipment A is consistent with initial condition or while not receiving the feedback information of electronic equipment A, electronic equipment B interrupts charging process feedback error information all the time; 3-A-2), due to electric energy output, if in charging process, when electronic equipment B detects the current residual electric weight obtain self rechargeable battery B and is less than charge threshold B,, electronic equipment B interrupts charging operations, and information is fed back to electronic equipment A, points out the information of the other side's battery electric quantity deficiency on the display screen of two electronic equipments, and other electronic equipment of recommended replacement, complete charge operation; 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 has been full of electric energy,, electronic equipment B interrupts charging operations, completes charging.
3-B), electronic equipment B determines that by the mode of operation execution option on display screen needing the mode of operation of carrying out is charge mode, due to electronic equipment, B has determined charge mode, electronic equipment A determines that by the mode of operation execution option on display screen needing the mode of operation of carrying out is discharge mode, like this, electronic equipment A just starts to charge for electronic equipment B, in charging process, electronic equipment B by the charged state immediate feedback of oneself to electronic equipment A.Further, if 3-B-1) feedback information that electronic equipment A receives electronic equipment B is consistent with initial condition or while not receiving the feedback information of electronic equipment B, electronic equipment A interrupts charging process feedback error information all the time; 3-B-2), due to electric energy output, if in charging process, when electronic equipment A detects the current residual electric weight obtain self rechargeable battery A and is less than charge threshold A,, electronic equipment A interrupts charging operations, and information is fed back to electronic equipment B, points out the information of the other side's battery electric quantity deficiency on the display screen of two electronic equipments, and other electronic equipment of recommended replacement, complete charge operation; 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 has been full of electric energy,, electronic equipment A interrupts charging operations, completes charging.
Above-described embodiment just lists expressivity principle of the present invention and effect is described, 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 be as listed in claims.
Claims (18)
1. a charging method for electric room, described electronic equipment at least disposes rechargeable battery, man-machine interface and Mini-USB slot; It is characterized in that, described charging method comprises:
Step 1: utilize Mini-USB holding wire to establish a communications link at two electric rooms; The end of described Mini-USB holding wire disposes for the Mini-USB plug that inserts the Mini-USB slot of described electronic equipment;
Step 2: carry out the exchange of bottom-up information and described bottom-up information is shown in described man-machine interface at two electric rooms that establish a communications link, described bottom-up information comprises: charging voltage, charging maximum current, rechargeable battery capacity, default charge threshold and current residual electric weight;
Step 3: the bottom-up information obtaining according to clearing house is to be more than or equal to default charge threshold in the situation that there is the current residual electric weight of at least one electronic equipment, the definite mode of operation that need to carry out two electronic equipments of charging operations; Described mode of operation comprises charge mode and discharge mode; In determining the mode of operation of two electronic equipments need to carrying out 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 determining, carry out 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, it is characterized in that, described Mini-USB plug and corresponding described Mini-USB slot have 5 pins, wherein, two pins are as first, second pin of communicating by letter, a pin is controlled pin, a pin as grounding pin as charging, and a pin is as detecting pin.
4. the charging method of electric room according to claim 3, is characterized in that, utilizes Mini-USB holding wire to establish a communications link and comprise at two electric rooms in step 1:
Two Mini-USB plugs of the end of Mini-USB holding wire are inserted respectively to two electronic equipments;
For any electronic equipment wherein: detect on the Mini-USB slot of self configuration and be inserted with Mini-USB plug; The electronic equipment of attempting inserting with another Mini-USB plug of Mini-USB holding wire by first, second communication pin in the Mini-USB plug inserting and I2C communication protocol is set up and is communicated by letter, until set up communication at two electric rooms.
5. according to the charging method of the electric room described in claim 1 or 4, it is characterized in that,
In step 2, be also included in two electric rooms that establish a communications link and exchange the information of the mode of operation that self can supply execution and the information of described mode of operation is shown in described man-machine interface;
In step 3, also comprise the execution option that corresponding mode of operation is provided in the man-machine interface of electronic equipment according to the information of the mode of operation of Gong the execution of electronic equipment self, for determining the mode of operation that needs execution.
6. the charging method of electric room according to claim 5, is characterized in that,
The information of described mode of operation is to determine according to the bottom-up information of electronic equipment;
When if the current residual electric weight of electronic equipment is more than or equal to described charge threshold, described electronic equipment can comprise charge mode and discharge mode for the mode of operation of carrying out;
When if the current residual electric weight of electronic equipment is less than described charge threshold, described electronic equipment can only comprise charge mode for the mode of operation of carrying out.
7. the charging method of electric room according to claim 6, is characterized in that,
When if the current residual electric weight of two electronic equipments is all less than described charge threshold separately, two electronic equipments can all only comprise charge mode for the mode of operation of carrying out, the information of battery electric quantity deficiency that can prompting the other side on two electronic equipments, and other electronic equipment of recommended replacement.
8. the charging method of electric room according to claim 1, is characterized in that, carries out charging operations and comprise in step 4:
Determine and be operated in the electronic equipment under charge mode, to determining that the electronic equipment being operated under discharge mode sends the information that is ready to complete;
Determine that be operated in bottom-up information that the electronic equipment under discharge mode obtains according to clearing house carries out buck control and determine so that output voltage adapts to the charging voltage that is operated in the electronic equipment under charge mode, and output maximum current is set adapts to the maximum current needing while determining the electronic equipment charging being operated under charge mode;
Determine that the electronic equipment be operated under discharge mode determines being ready to complete after information that the electronic equipment that is operated under charge mode sends receiving, start the first electronic equipment to charge.
9. the charging method of electric room according to claim 8, is characterized in that, also comprises:
In charging process, determine that the electronic equipment being operated under charge mode is operated in the electronic equipment under discharge mode by the charged state immediate feedback of oneself to determining.
10. the charging method of electric room according to claim 9, is characterized in that, also comprises:
When the electronic equipment being operated under discharge mode if determine charges to definite electronic equipment being operated under charge mode, determine that the electronic equipment be operated under discharge mode receives definite to be operated in electronic equipment feedack under charge mode consistent with initial condition or do not receive and determine and be operated in the electronic equipment feedack under charge mode all the time, interrupt charging process feedback error information.
The charging method of 11. electric rooms according to claim 9, is characterized in that, also comprises:
If in charging process, determine that the electronic equipment be operated under discharge mode detects the current residual electric weight that obtains self rechargeable battery and is less than described charge threshold, interrupt charging, and information is fed back to definite electronic equipment under charge mode that is operated in, in the man-machine interface of two electronic equipments, point out the information of the other side's battery electric quantity deficiency, and other electronic equipment of recommended replacement, complete charge operation;
After if definite battery that is operated in the electronic equipment under charge mode is full of, to determining that the electronic equipment being operated under discharge mode feeds back the information that battery is full of, determine that the electronic equipment being operated under discharge mode interrupts charging process according to feedack, completes charging.
The charging circuit of 12. 1 kinds of electronic equipments, described electronic equipment at least disposes rechargeable battery, man-machine interface and Mini-USB slot; It is characterized in that, described charging circuit comprises: electric weight detecting unit, interface detecting unit, and microcontroller, is controlled by communication unit, charhing unit and the discharge cell of described microcontroller and mode of operation determining unit;
Electric weight detecting unit, for detection of the current residual electric weight of rechargeable battery in electronic equipment;
Whether interface detecting unit, be inserted with Mini-USB plug on the Mini-USB slot for detection of electronic configurations;
Communication unit, for at described interface detecting unit, detect on Mini-USB slot, be inserted with Mini-USB plug after according to the control of described microcontroller and another electronic equipment inserting with the other end Mini-USB plug of the corresponding Mini-USB holding wire of described Mini-USB plug inserting is set up and communicated by letter, make carry out the exchange of bottom-up information and described bottom-up information is shown in described man-machine interface at two electric rooms that establish a communications link; Described bottom-up information comprises: charging voltage, charging maximum current, rechargeable battery capacity, default charge threshold and the current residual electric weight of rechargeable battery;
Mode of operation determining unit, determines for the bottom-up information obtaining according to clearing house the mode of operation that is suitable for electronic equipment itself; Described mode of operation comprises charge mode and discharge mode; In determining the mode of operation of two electronic equipments need to carrying out 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 electric weight of electronic equipment is that requirement is more than or equal to default charge threshold;
Charhing unit, in the situation that electronic equipment utilizes the definite mode of operation of mode of operation determining unit, for charge mode is controlled by, described microcontroller starts to receive the charging of another electronic equipment;
Discharge cell, in the situation that electronic equipment utilizes the definite mode of operation of mode of operation determining unit, for discharge mode is controlled by, described microcontroller charges to the electronic equipment under selection charge mode.
The charging circuit of 13. electric rooms according to claim 12, is characterized in that, described man-machine interface comprises combination or the Touch Screen of display screen and input keyboard.
The charging circuit of 14. electric rooms according to claim 12, it is characterized in that, described Mini-USB plug and corresponding described Mini-USB slot have 5 pins, wherein, two pins are as first, second pin of communicating by letter, a pin is controlled pin, a pin as grounding pin as charging, and a pin is as detecting pin.
The charging circuit of 15. electric rooms according to claim 12, is characterized in that,
The information of described mode of operation is to determine according to the bottom-up information of electronic equipment;
When if the current residual electric weight of electronic equipment is more than or equal to described charge threshold, described electronic equipment can comprise charge mode and discharge mode for the mode of operation of carrying out;
When if the current residual electric weight of electronic equipment is less than described charge threshold, described electronic equipment can only comprise charge mode for the mode of operation of carrying out.
The charging circuit of 16. electric rooms according to claim 12, is characterized in that, also comprises:
The buck unit that is controlled by described microcontroller and is connected with described discharge cell;
Described buck unit is in the situation that electronic equipment utilizes the definite mode of operation of mode of operation determining unit, for discharge mode is controlled by, described microcontroller carries out buck action so that the charging voltage of the electronic equipment under output voltage and charge mode is suitable.
17. 1 kinds of electronic equipments, dispose rechargeable battery, man-machine interface and Mini-USB slot, it is characterized in that, also comprise:
Charging circuit as described in any one in claim 12 to 16.
18. electronic equipments according to claim 17, 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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