CN104283238A - On-automobile wireless charging system for mobile terminal - Google Patents
On-automobile wireless charging system for mobile terminal Download PDFInfo
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- CN104283238A CN104283238A CN201310272407.5A CN201310272407A CN104283238A CN 104283238 A CN104283238 A CN 104283238A CN 201310272407 A CN201310272407 A CN 201310272407A CN 104283238 A CN104283238 A CN 104283238A
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- wireless charging
- mobile terminal
- battery
- energy generator
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- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- H02J7/025—
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- H02J7/0077—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
Abstract
The invention discloses an on-automobile wireless charging system for a mobile terminal, which comprises an electric energy supplying device, an electric energy receiving device and a battery management device. The electric energy supplying device and the battery management device are arranged on an electric automobile. The electric energy receiving device is arranged on the mobile terminal. The electric energy supplying device is used for transmitting electric energy to the electric energy receiving device through electromagnetic induction. The electric energy receiving device is used for transmitting identifying information of the mobile terminal to the electric energy supplying device, and supplying the electric energy which is supplied by the electric energy supplying device to the mobile terminal for charging the mobile terminal. The battery management device is used for controlling an on-automobile power battery for supplying electric energy to the electric energy supplying device, and stops charging on condition that the on-automobile power battery does not satisfy a preset charging condition in a wireless charging process. The on-automobile wireless charging system according to an embodiment of the invention can realize wireless charging for the mobile terminal in the automobile, and has relatively high safety and relatively high reliability. Furthermore simple charging operation is realized. Service life of the charging equipment is prolonged.
Description
Technical field
The present invention relates to the mobile terminal wireless charging technical field on electric automobile, particularly a kind of onboard wireless charging system for mobile terminal.
Background technology
Along with new-energy automobile, the particularly continuous popularization of electric automobile or hybrid vehicle, new-energy automobile and daily life are day by day relevant.Meanwhile, along with the becoming stronger day by day of function of mobile phone, power consumption also increases day by day.Charging mobile phone battery mode is easily provided, has become a much-talked-about topic.Charging modes mainly wired charging modes of the current mobile phone of charging mobile phone battery, there is following weak point in conventional wired charging modes:
First, the lead-in wire of mobile phone and charge power supply is long, and mainly manual operation is loaded down with trivial details.Existing mobile phone many employings connection device charges, and each charging all needs to plug connection device.
Secondly, mobile phone charging connection wire unsightly, also there is the problem that connector occupies and takies insert row.
Again, in manual operation process, very easily there is the factor such as excessive wear and insecurity of equipment.There will be wearing and tearing during chained device plug, there is the high voltage component exposed, this brings certain impact to the fail safe of charging system, reliability, and shortens the useful life of cradle.
In addition, the charger of various mobile phone is diversified in specifications, and different mobile phones needs to carry different chargers.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, the object of the invention is to propose a kind of onboard wireless charging system for mobile terminal, this system can be implemented in the wireless charging to mobile terminal in vehicle, has higher safety and reliability, and it is simple to charge, improve the useful life of charging device.
For achieving the above object, The embodiment provides a kind of onboard wireless charging system for mobile terminal, comprise: electric energy generator, electric energy receiving system and battery manager, wherein, described electric energy generator and described battery manager are positioned on electric automobile, described electric energy receiving system is positioned on described mobile terminal, described electric energy generator is for sending wireless charging device identification signal, and detect in adjacent domain there is wireless charging device time, charge request is sent to battery manager, and after entering wireless charging flow process, according to the identifying information of mobile terminal, utilize electromagnetic induction to described electric energy receiving system electric energy transmitting, described electric energy receiving system is used for when described wireless charging device identification signal being detected and confirming in the charging receiving user, the identifying information of described mobile terminal is sent to described electric energy generator, and the electric energy that described electric energy generator provides is supplied to described mobile terminal to charge to described mobile terminal, described battery manager is for receiving described charge request, and when judging that the vehicle mounted dynamic battery of described electric automobile meets preset charged condition, control described vehicle mounted dynamic battery to power to make described electric energy generator enter wireless charging flow process to described electric energy generator, and in wireless charging process when described vehicle mounted dynamic battery does not meet described preset charged condition, control charging termination.
According to the onboard wireless charging system for mobile terminal of the embodiment of the present invention, the safety and reliability of mobile terminal (as mobile phone) when charging can be improved, avoid in wired charging modes the charging connection device the caused wearing and tearing plugging charging device, degradation problem under connector service life of equipment.Owing to decreasing charger for mobile phone and charging wire harness, so attractive in appearance and the interior space taken is less.When ensureing enough hour of the distance (as when the distance of transmitting coil and receiving coil is within the scope of 200mm) of wireless charging, high efficiency delivery of electrical energy can be realized.Wireless charging mode is easy to operate, as long as user is placed on mobile terminal in the scope of specifying in vehicle can realize wireless charging.Charger for current various mobile terminal is diversified in specifications, and different mobile terminals needs the problem of carrying different chargers.Embodiments of the invention can carry out the charging of corresponding power for the storage battery of different mobile terminal, to improve charge efficiency and the useful life of the storage battery of mobile terminal.In addition, by native system, user just realizes wireless charging by vehicle to mobile terminal without the need to carrying charger, is conducive to the trip of user.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is according to an embodiment of the invention for the schematic diagram of the onboard wireless charging system of mobile terminal;
Fig. 2 is in accordance with another embodiment of the present invention for the block diagram of the onboard wireless charging system of mobile terminal;
Fig. 3 is according to an embodiment of the invention for the electric energy transfer principle figure of the onboard wireless charging system of mobile terminal;
Fig. 4 is according to an embodiment of the invention for the communication network schematic diagram of the onboard wireless charging system of mobile terminal;
Fig. 5 is according to an embodiment of the invention for the control flow chart of the charging preparatory stage of the onboard wireless charging system of mobile terminal; And
Fig. 6 is according to an embodiment of the invention for the control flow chart of the wireless charging process of carrying out mobile terminal of the onboard wireless charging system of mobile terminal.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Below in conjunction with accompanying drawing, the onboard wireless charging system for mobile terminal according to the embodiment of the present invention is described.Wherein, above-mentioned onboard wireless charging system can be applicable on electric automobile, and above-mentioned electric automobile can be pure electric automobile or mixed power electric car.
As depicted in figs. 1 and 2, comprise for the onboard wireless charging system 1000 of mobile terminal according to an embodiment of the invention: electric energy generator 100, electric energy receiving system 200 and battery manager 300.Electric energy generator 100 and battery manager 300 are positioned on electric automobile, namely onboard wireless charging device is arranged on electric automobile, electric energy receiving system 200 is arranged in mobile terminal, namely mobile terminal wireless charging device is installed on mobile terminals, and being such as arranged on then can called after mobile phone wireless charging device on mobile phone.In the examples described above, mobile terminal is but is not limited to: smart mobile phone, panel computer, e-book etc.
Particularly, electric energy generator 100 is for sending wireless charging device identification signal, and detect in adjacent domain there is wireless charging device (such as mobile terminal wireless charging device) time, charge request is sent to battery manager 300, and after entering wireless charging flow process, according to the identifying information of mobile terminal, utilize electromagnetic induction to electric energy receiving system 200 electric energy transmitting.
In one embodiment of the invention, electric energy generator 100 also in wireless charging flow process, carries out self-inspection in real time, and there is fault if detected, then send fault-signal to battery manager 300, battery manager 300 controls charging termination.
Electric energy receiving system 200 is for when wireless charging device identification signal being detected and confirming in the charging receiving user, the identifying information of mobile terminal is sent to electric energy generator 100, and the electric energy that electric energy generator 100 provides is supplied to mobile terminal to charge to mobile terminal.Wherein, identifying information includes but not limited to: the type of mobile terminal and the model of mobile terminal.Like this, electric energy generator 100 can judge according to identifying information the charge power that is suitable for charging to mobile terminal, and with charge power to electric energy receiving system 200 electric energy transmitting.Namely electric energy generator 100 can according to the model of the type of mobile terminal and mobile terminal, judge the charge power of this mobile terminal, thus to be applicable to the charge in batteries of charge power to this mobile terminal of this mobile terminal, thus ensure the reliability guaranteeing while mobile terminal charge efficiency charge to this mobile terminal and fail safe.
In examples more of the present invention, electric energy receiving system 200 is also in charging process, if receive the charging termination instruction of user, or the storage battery of mobile terminal is full of, then send charging END instruction by electric energy generator 100 to battery manager 300, to stop charging by battery manager 300.Wherein, the charging termination instruction of user can by hardware or software simulating, as electric energy receiving system 200 comprises mobile terminal wireless charging ECU and intelligent switch module, like this, user, by the triggering to intelligent switch module, can realize sending charging termination instruction to mobile terminal wireless charging ECU.
Electric energy receiving system 200 mainly comprises onboard wireless charging ECU, onboard wireless charging ECU energy and transmitting end equipment carry out wireless telecommunications, and can realize carrying out CAN communication with the Other related equipment on car, the energy that transmitting terminal transmits can be received, and can according to the charge power demand of car load, change power output, charge to vehicle mounted dynamic battery.
Battery manager 300 is for receiving charge request, and when judging that the vehicle mounted dynamic battery of electric automobile meets preset charged condition, control vehicle mounted dynamic battery to power to make electric energy generator 100 enter wireless charging flow process to electric energy generator 100, and in wireless charging process when vehicle mounted dynamic battery does not meet preset charged condition, control charging termination.Wherein, preset charged condition comprise electric automobile be in power-up state and the dump energy of vehicle mounted dynamic battery higher than default charge value.
In one embodiment of the invention, battery manager 300 is also for after the charge request receiving electric energy generator 100, if judge that the vehicle mounted dynamic battery of electric automobile does not meet preset charged condition or described vehicle mounted dynamic battery exists fault, then do not respond the charge request of electric energy generator 100, otherwise control electric energy generator 100 enters wireless charging flow process.
Further, battery manager 300 is also for after control electric energy generator 100 enters wireless charging flow process, whether real-time detection vehicle mounted dynamic battery meets preset charged condition or whether there is fault, if vehicle mounted dynamic battery does not meet preset charged condition or there is fault, then control charging termination.
In the above examples, onboard wireless charging device, refers to and is arranged on wireless charging emitter on electric automobile or equipment, wireless charging transmitter by electromagnetic induction Energy Transfer to the receiving equipment be arranged on mobile phone.
Wireless charging device on mobile phone, mainly refer to the wireless charging receiver on mobile phone or equipment, wireless charging receiving equipment can carry out wireless telecommunications with wireless charging transmitter, the identification of the mobile terminals such as mobile phone can be carried out according to identifying information, and the energy that wireless charging transmitter transmits can be received.
Battery manager 300 have to vehicle mounted dynamic battery carry out temperature sampling, voltage sample, to power battery charging and discharging current sampling function, there is the function calculating battery dump energy, and send to relevant electric component by CAN communication bundle of lines control signal, to realize the management to battery functi on.
Vehicle mounted dynamic battery, refers to and is arranged on electric automobile, is the energy storage device that electric automobile provides Power output and powers for other power consumption equipments on car, can repeatedly charges.
Vehicular accumulator cell refers to the low tension battery be arranged on electric automobile, is generally 12V or 24V, is mainly used in powering to the low voltage equipment of car load.
The onboard wireless charging system 1000 for mobile terminal of the embodiment of the present invention also comprises high-tension distribution box 401, wherein, high-tension distribution box 401 is connected with vehicle mounted dynamic battery with electric energy generator 100 respectively by high-voltage wiring harness, high-tension distribution box 401 is controlled by battery manager 300, to control conducting and the disconnection of high-voltage radio charge circuit.Wherein, high-tension distribution box 401 is high tension apparatus of a break-make big current, it is inner containing multiple contactor, battery manager 300 is by transmitting control signal to high-tension distribution box 401, the closed of its internal relay can be controlled and turn off, thus reach the object controlling big current break-make, namely control conducting and the disconnection of high-voltage radio charge circuit (loop such as powered by vehicle mounted dynamic battery).
As shown in Figure 2, charge control strategy and supporting the use for the onboard wireless charging system 1000 of mobile terminal.Battery manager 300 is connected by sample line with vehicle mounted dynamic battery, for gathering hard signal, gather vehicle mounted dynamic battery information, high-tension distribution box 401 to be connected with vehicle mounted dynamic battery by high-voltage wiring harness and high-tension distribution box 401 is connected with dc-dc by high-voltage wiring harness, instrument wireless charging switch is connected with the onboard wireless charging device on instrument desk by rigid line, for when instrument wireless charging switch is triggered, electric energy generator 100 is made to send wireless charging device identification signal.Electric automobile needs just can to for charging to mobile terminal under power-up state.
Battery manager 300 is connected with instrument by CAN.Battery manager 300 gathers the battery information of electrokinetic cell by hard signal, and controls the break-make of the contactor in high-tension distribution box 401 by hard signal.
The operation principle of the onboard wireless charging system 1000 for mobile terminal of the embodiment of the present invention is according to electromagnetic induction principle, by being contained in primary winding on electric automobile to the secondary coil electric energy transmitting be contained on mobile phone, charge with the storage battery (i.e. battery of mobile phone) realized mobile phone.In order to realize wireless charging, mobile phone and electric automobile must install supporting equipment, carry out information interaction by home control network communication protocol between transmitting terminal (electric energy generator) and receiving terminal (electric energy receiving system), the content of communications protocol comprises identification, fault-signal etc.Transmitting end equipment (electric energy generator) that electric automobile charges can detect neighbouring receiving terminal.
In charging process, wireless charging device needs to have monitoring and defencive function, processes the abnormal conditions that whole system occurs.Wireless charging mode also needs the criterion of clear and definite charging complete, to prevent battery of mobile phone overcharge.Wireless charging system can record charge information.
Specifically as shown in Figures 2 and 3, electric energy generator 100 comprises: dc-dc 110, frequency up converter 120, transmitting coil 130, first wireless communication module (not shown) and first detection module (not shown).
Wherein, dc-dc 110 is converted to low-voltage DC for the high voltage direct current provided by vehicle mounted dynamic battery.Namely dc-dc 110 converts low-voltage DC to the high voltage direct current of vehicle mounted dynamic battery.
Frequency up converter 120 is for being converted to the alternating current of predeterminated frequency by low-voltage DC.Namely frequency up converter 120 converts the direct current that ac-dc converter circuit (i.e. dc-dc 110) exports to the alternating source of certain frequency.
First wireless communication module is used for carrying out wireless telecommunications with electric energy receiving system 120.First detection module is used for monitoring electric energy generator 110.Namely electric energy generator 110 has intelligent monitoring function and communication function.Such as: the self-inspection of electric energy generator is realized by first detection module, and electric energy generator 110 and the communication of electric energy receiving system 120 can be realized by the first wireless communication module, wherein, the first wireless communication module can adopt the Radio Transmission Technologys such as bluetooth, infrared or ZigBee to realize.
Transmitting coil 130 is for being emitted to electric energy receiving system 200 by alternating current with the form of electromagnetic field.Namely transmitting coil 130 is launched the alternating current that down-conversion circuitry (i.e. frequency up converter 120) converts with the form of electromagnetic field.The certain alternating current of frequency, through transmitting coil 130, produces the magnetic field of characteristic frequency change.
Further, electric energy receiving system 200 comprises: receiving coil 210 rectifier 220, second wireless communication module (not shown) and the second detection module (not shown).
Wherein, receiving coil 210 is for producing induced current to receive the electric energy from transmitting coil 130 in the alternating magnetic field that produces at transmitting coil 130.Namely produce induced current in the alternating magnetic field that receiving coil 210 produces at transmitting coil 130, thus realize the transmission of electric energy from electric automobile to battery of mobile phone.
Direct current for the alternating current from receiving coil 210 is converted to direct current, and is supplied to mobile terminal (as being supplied to battery of mobile phone) by rectifier 220.Namely rectification circuit converts d. c. voltage signal to the ac voltage signal of receiving coil 210.
Second wireless communication module is used for carrying out wireless telecommunications with electric energy generator.Namely to be set to the first wireless communication module suitable for the second wireless communication module.Second detection module is used for monitoring electric energy receiving system, and namely detecting electric energy receiving system is there is fault etc., and Detection Information etc. can be sent to electric energy receiving system 110.
As shown in Figure 3, in further example of the present invention, electric energy receiving system 200 also can comprise: Voltage stabilizing module 230.Wherein, filtered direct current, between rectifier 220 and mobile terminal, for carrying out filtering to the direct current after rectification, and is supplied to mobile terminal by Voltage stabilizing module 230, such as mobile phone, spy is supplied to battery of mobile phone to carry out the charging of battery of mobile phone.Namely voltage stabilizing circuit (Voltage stabilizing module 230) carries out filtering process to the voltage signal that rectification circuit (rectifier 220) exports, and makes the direct voltage of output more steady.
In one embodiment of the invention, the charging of user confirms to be realized by triggering intelligent switch module.As shown in Figure 3, intelligent switch module Main Function is the wireless charging loop connecting or disconnect interior of mobile phone when being necessary.Such as when charging mobile phone battery completes, intelligent switch module can disconnection of wireless charge circuit automatically; When temperature of cell phone battery is too high or overtension time, can disconnection of wireless charge circuit automatically; When mobile phone needs to carry out wireless charging, after receiving the triggering command of user, wireless charging loop can be connected.In this example; intelligent switch module can be made up of the software of the button and corresponding function that receive user's triggering command; its button can receive user and charge and confirm instruction and charging termination instruction; and make corresponding process by software; simultaneously; this software also can disconnect charge circuit etc. according to the state of such as battery of mobile phone automatically; such as; when judging that battery of mobile phone is full of electricity (namely detecting that cell-phone battery electric-charge quantity percentage is 100%); or when temperature of cell phone battery is crossed high; automatically charge circuit can be disconnected, to protect battery of mobile phone.
In one embodiment of the invention, electric energy generator 100 also comprises: low pressure plug connector, the CAN communication holding wire of low pressure plug connector and battery manager 300, self-test signal line, fault-signal line, and low-voltage power supply line is connected.Namely onboard wireless charging device is with a low pressure connector, and its effect carries out communication with the parts on electric automobile.Comprising the CAN communication holding wire with battery manager 300, self-test signal line and fault-signal line, and low-voltage power supply line.
As shown in Figure 4, the whole wireless charging communication network of the onboard wireless charging system 1000 for mobile terminal of the embodiment of the present invention comprises Power Environment Monitoring Network, comfortable net, battery subnet, wireless charging subnet and onboard wireless charging net.
Particularly, the communication network of battery subnet mainly between battery information collector and battery manager 300, communication speed can be set to 250kbps, battery information collector gathers voltage and the temperature information of vehicle mounted dynamic battery, and send to battery manager 300 by battery subnet, battery manager 300 gathers vehicle mounted dynamic battery information, carries out respective handling.
The communication network of wireless charging subnet mainly between onboard wireless charging device and mobile phone wireless charging device, onboard wireless charging device carries out authentication with onboard wireless charging device, mates, and determines charge power.Work as communicating interrupt, and exceed setting-up time, then wireless charging terminates automatically.When wireless charging device breaks down, onboard wireless charging device and mobile phone wireless charging device exchange information, and show corresponding fault message in instrument and mobile phone.
Onboard wireless charging host will refer to the communication between battery manager 300 and onboard wireless charging device, the speed of communication can be set to 250kbps, battery manager 300 sends vehicle mounted dynamic battery state information to onboard wireless charging device in real time, when onboard wireless charging device fault, battery manager 300 receives the fault-signal that onboard wireless charging device sends, and stops wireless charging.
The communication network of Power Environment Monitoring Network mainly between on-board high-voltage device, when wireless charging carries out, battery manager 300 sends wireless charging signal to other high-tension apparatuses, to coordinate the carrying out of wireless charging.Such as when dc-dc 110 fault, dc-dc 110 sends fault message to battery manager 300, after battery manager 300 receives fault message, judge whether the electricity of Vehicular accumulator cell is greater than set point, if be greater than set point, onboard wireless charging device is by storage battery power supply, if be less than set point, wireless charging terminates.
If comfortable host's battery manager 300 is to the communication network between instrument, so that instrument shows wireless charging index signal, instrument wireless charging switching signal sends to onboard wireless charging device by instrument, as startup and the stop signal of wireless charging.
Wireless charging switch is controlled by user, presses this button when instrument occurs that wireless charging is pointed out, then beginning of charging (namely sending charge request to battery manager 300), presses this button in wireless charging process, then end of charging.Battery manager 300 detects the switching signal of wireless charging switch.
The charging strategy of the onboard wireless charging system 1000 for mobile terminal of the embodiment of the present invention is: under normal circumstances, high-tension electricity on car load, press the wireless charging shift knob on instrument desk as user after, onboard wireless charging device is started working, detect du vehicule every 1S and whether have wireless charging device, if mobile phone wireless charging device do not detected in 1 minute, then onboard wireless charging device quits work.If there is mobile phone wireless charging device near detecting, then send charge request to battery manager.After wireless charging option pressed by mobile phone, if mobile phone wireless charging device detects wireless charging request signal, then preparation accepts the electric energy that onboard wireless charging device transmits, if mobile phone wireless charging device does not detect charging signals request in 30 seconds, then mobile phone display does not find wireless charging signal or charging device fault.
After battery manager receives the charging signals of onboard wireless charging device transmission, first detect the SOC(dump energy of vehicle mounted dynamic battery) whether be greater than 10%, as dump energy is less than 10%, then battery manager does not respond the charge request of onboard wireless charging device, forbids wireless charging.If battery dump energy is greater than 10%, then whether battery manager detection vehicle mounted dynamic battery exists fault, comprise that electrokinetic cell monomer temperature is too high, electrokinetic cell monomer voltage is too high, electrokinetic cell electric leakage, electrokinetic cell sample line disconnect, the fault such as battery manager and battery information collector communication failures, if there is above-mentioned fault, then forbid wireless charging.Battery manager sends alarm signal to instrument, and wireless charging is forbidden in instrument display.
If the electrokinetic cell fault-free that battery manager detects, then battery manager sends charge permission signal to instrument, instrument display wireless charging information.Battery manager sends wireless charging permission information to onboard wireless charging device simultaneously, and onboard wireless charging device starts, to mobile phone wireless charging device electric energy transmitting, to enter wireless charging flow process.
After entering wireless charging flow process, onboard wireless charging device electric energy transmitting is to mobile phone wireless charging device.In wireless charging process, wireless charging system detects the state of each parts in real time, and processes accordingly.When there is vehicle mounted dynamic battery fault, dc-dc fault or onboard wireless charging device fault, instrument display wireless charging device fault message, wireless charging stops; In wireless charging process, wireless charging system is implemented to judge whether wireless charging device exists communication failure, if there is communication time-out, i.e. and onboard wireless charging device and mobile phone wireless charging device communication failures within a certain period of time, then vehicular meter display communication time-out, wireless charging terminates.
In wireless charging process, mobile phone wireless charging device judges whether wireless charging completes, and when battery of mobile phone SOC is 100%, or user presses wireless charging shift knob, then wireless charging completes.Mobile phone wireless charging device sends charging completion signal to onboard wireless charging device, and instrument display wireless charging terminates, and onboard wireless charging device disconnects the communication with mobile phone wireless charging device, quits work.
Specifically, as shown in Figure 5, for according to an embodiment of the invention for the control flow chart of the charging preparatory stage of the onboard wireless charging system of mobile terminal, comprise the steps:
Step S501: high-tension electricity on car load.
Step S502: user presses the wireless charging button on instrument desk.
Step S503: onboard wireless charging device starts the mobile phone wireless charging signals near search, if mobile phone wireless charging signals do not detected more than 1 minute, then onboard wireless charging device quits work.
Step S504: user presses mobile phone wireless charge option.
Step S505: judge whether mobile phone wireless charging device detects the electric energy transmitted of automobile wireless charging device, if it is performs step S508, otherwise performs step S506.
Step S506: judge to wait for whether also do not detect more than 30 seconds, if it is perform step S507.
Step S507: mobile phone is shown as and finds wireless charging device or charging device fault.
Step S508: mobile phone wireless charging ECU(electric energy receiving system) prepare the electric energy transmitted accepting onboard wireless charging device.
Step S509: judge that battery manager detects vehicle mounted dynamic battery SOC and whether is less than 10%, if it is perform step S510, otherwise perform step S511.
Step S510: forbid wireless charging.
Step SS511: judge whether electrokinetic cell exists fault, if it is performs step S512, otherwise performs step S513.
Step S512: instrument display electrokinetic cell fault, and go to step S510.
Step S513: enter wireless charging flow process.
Fig. 6 is according to an embodiment of the invention for the control flow chart of the wireless charging process of carrying out mobile terminal of the onboard wireless charging system of mobile terminal, specifically comprises the steps:
Step S601: enter wireless charging flow process.
Step S602: onboard wireless charging device electric energy transmitting is to mobile phone wireless charging device.
Step S603: judge whether vehicle mounted dynamic battery exists fault, if otherwise perform step S604.
Step S604: judge whether dc-dc exists fault, if it is performs step S605, otherwise performs step S607.
Step S605: judge whether accumulator electric-quantity is greater than set point, if otherwise perform step S606, otherwise perform step S608.
Step S606: stop wireless charging, instrument display wireless charging device fault message.
Step S607: judge whether wireless charging device exists fault, if otherwise perform step S608, otherwise perform step S603.
Step S608: judge whether charging device exists communication failure, if it is performs step S609, otherwise performs step S611.
Step S609: communication time-out, and perform step S610.
Step S610: vehicular meter display communication time-out, wireless charging terminates.
Step S611: judge to be used for whether pressing wireless charging switch, if it is perform step S613, otherwise perform step S612.
Step S612: mobile phone wireless charging device judges whether charging completes, and if it is performs step S613, otherwise performs step S602.
Step S613: mobile phone wireless charging device sends charging complete information to onboard wireless charging device.
Step S614: instrument display wireless charging terminates, and onboard wireless charging device quits work, and disconnects the communication with mobile phone wireless charging device.
Step S615: wireless charging completes.
According to the onboard wireless charging system for mobile terminal of the embodiment of the present invention, the safety and reliability of mobile terminal (as mobile phone) when charging can be improved, avoid in wired charging modes the charging connection device the caused wearing and tearing plugging charging device, degradation problem under connector service life of equipment.Owing to decreasing charger for mobile phone and charging wire harness, so attractive in appearance and the interior space taken is less.When ensureing enough hour of the distance (as when the distance of transmitting coil and receiving coil is within the scope of 200mm) of wireless charging, high efficiency delivery of electrical energy can be realized.Wireless charging mode is easy to operate, as long as user is placed on mobile terminal in the scope of specifying in vehicle can realize wireless charging.Charger for current various mobile terminal is diversified in specifications, and different mobile terminals needs the problem of carrying different chargers.Embodiments of the invention can carry out the charging of corresponding power for the storage battery of different mobile terminal, to improve charge efficiency and the useful life of the storage battery of mobile terminal.In addition, by native system, user just realizes wireless charging by vehicle to mobile terminal without the need to carrying charger, is conducive to the trip of user.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this specification, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random-access memory (ram), read-only memory (ROM), erasablely edit read-only memory (EPROM or flash memory), fiber device, and portable optic disk read-only memory (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the application-specific integrated circuit (ASIC) of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (12)
1. the onboard wireless charging system for mobile terminal, it is characterized in that, comprise: electric energy generator, electric energy receiving system and battery manager, wherein, described electric energy generator and described battery manager are positioned on electric automobile, described electric energy receiving system is positioned on described mobile terminal
Described electric energy generator is for sending wireless charging device identification signal, and detect in adjacent domain there is wireless charging device time, charge request is sent to battery manager, and after entering wireless charging flow process, according to the identifying information of mobile terminal, utilize electromagnetic induction to described electric energy receiving system electric energy transmitting;
Described electric energy receiving system is used for when described wireless charging device identification signal being detected and confirming in the charging receiving user, the identifying information of described mobile terminal is sent to described electric energy generator, and the electric energy that described electric energy generator provides is supplied to described mobile terminal to charge to described mobile terminal;
Described battery manager is for receiving described charge request, and when judging that the vehicle mounted dynamic battery of described electric automobile meets preset charged condition, control described vehicle mounted dynamic battery to power to make described electric energy generator enter wireless charging flow process to described electric energy generator, and in wireless charging process when described vehicle mounted dynamic battery does not meet described preset charged condition, control charging termination.
2. onboard wireless charging system as claimed in claim 1, it is characterized in that, described electric energy generator comprises:
Dc-dc, is converted to low-voltage DC for the high voltage direct current provided by described vehicle mounted dynamic battery;
Frequency up converter, for being converted to the alternating current of predeterminated frequency by the described low-voltage DC from described dc-dc;
First wireless communication module, for carrying out wireless telecommunications with described electric energy receiving system;
First detection module, for monitoring described electric energy generator;
Transmitting coil, for being emitted to described electric energy receiving system by described alternating current with the form of electromagnetic field.
3. onboard wireless charging system as claimed in claim 2, it is characterized in that, described electric energy receiving system comprises:
Receiving coil, for producing induced current to receive the electric energy from described transmitting coil in the alternating magnetic field that produces at described transmitting coil;
Second wireless communication module, for carrying out wireless telecommunications with described electric energy generator;
Second detection module, for monitoring described electric energy receiving system;
Rectifier, for the alternating current from described receiving coil is converted to direct current, and is supplied to described mobile terminal by described direct current.
4. onboard wireless charging system as claimed in claim 3, it is characterized in that, described electric energy receiving system also comprises:
Voltage stabilizing module, filtered direct current, between described rectifier and described mobile terminal, for carrying out filtering to the described direct current after rectification, and is supplied to described mobile terminal to charge to described mobile terminal by described Voltage stabilizing module.
5. the onboard wireless charging system as described in claim 3 or 4, it is characterized in that, described electric energy generator also comprises: low pressure plug connector, the CAN communication holding wire of described low pressure plug connector and described battery manager, self-test signal line, fault-signal line, and low-voltage power supply line is connected.
6. wireless charging system as claimed in claim 1, it is characterized in that, also comprise: high-tension distribution box, described high-tension distribution box is connected with described vehicle mounted dynamic battery with described electric energy generator respectively by high-voltage wiring harness, described high-tension distribution box is controlled by described battery manager, to control conducting and the disconnection of high-voltage radio charge circuit.
7. onboard wireless charging system as claimed in claim 1, it is characterized in that, described identifying information comprises: the type of described mobile terminal and model.
8. onboard wireless charging system as claimed in claim 1, it is characterized in that, described battery manager is also for after the charge request receiving described electric energy generator, if judge that the vehicle mounted dynamic battery of described electric automobile does not meet preset charged condition or described vehicle mounted dynamic battery exists fault, then do not respond the charge request of described electric energy generator, otherwise control described electric energy generator and enter wireless charging flow process.
9. onboard wireless charging system as claimed in claim 1, it is characterized in that, described battery manager is also for after the described electric energy generator of control enters wireless charging flow process, whether the described vehicle mounted dynamic battery of real-time detection meets described preset charged condition or whether there is fault, if described vehicle mounted dynamic battery does not meet described preset charged condition or there is fault, then control charging termination.
10. onboard wireless charging system as claimed in claim 9, it is characterized in that, described electric energy generator is also in wireless charging flow process, carry out self-inspection in real time, if detect and there is fault, then send fault-signal to described battery manager, described battery manager controls charging termination.
11. onboard wireless charging systems as claimed in claim 1, it is characterized in that, described electric energy receiving system is also in charging process, if receive the charging termination instruction of user, or the storage battery of described mobile terminal is full of, then send charging END instruction by described electric energy generator to described battery manager, to stop charging by described battery manager.
12. onboard wireless charging systems as claimed in claim 1, it is characterized in that, described electric energy generator also for judging the charge power being suitable for charging to described mobile terminal according to described identifying information, and with described charge power to described electric energy receiving system electric energy transmitting.
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