CN103457332B - Wireless charger equipment and wireless charging method - Google Patents
Wireless charger equipment and wireless charging method Download PDFInfo
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- CN103457332B CN103457332B CN201310465266.9A CN201310465266A CN103457332B CN 103457332 B CN103457332 B CN 103457332B CN 201310465266 A CN201310465266 A CN 201310465266A CN 103457332 B CN103457332 B CN 103457332B
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Abstract
The present invention relates to wireless charger equipment and wireless charging method.Wireless charger equipment comprises main control unit and one or more electric energy transmitter unit, is removably connected between main control unit with electric energy transmitter unit and between electric energy transmitter unit by interface; Main control unit comprises power management module and top control module, and obtained direct current or alternating current are converted to the electric energy needed for main control unit inside by power management module, and exports the electric energy after conversion to interface, and then is transferred to electric energy transmitter unit by interface; Top control module adopts the mode of master slave mode bus to be connected by interface with electric energy transmitter unit, the operation of control and management main control unit and electric energy transmitter unit; Electric energy transmitter unit utilizes the electric energy emitting electromagnetic wave received.Wireless charger equipment of the present invention has easily extensible, capable of being combined, multi-functional feature, and easy to use, flexibility is strong.
Description
Technical field
The present invention relates to wireless charging technology, specifically, relate to extendible multifunction wireless charger device and use this wireless charger equipment to carry out the method for wireless charging.
Background technology
In current market, there is miscellaneous portable electric appts, most portable electric appts is all equipped with rechargeable battery, to maintain the work of portable electric appts in movement.So, inevitably need often to charge to battery.In order to charge the battery, usually need an external charger.Common charger is all wired, its one end is connected with fixing power supply, and obtain electric energy input, the other end is connected with portable electric appts by contact terminal, low-voltage DC through conversion being defeated by the rechargeable battery of portable electric appts, is its charging.
This charger, except being connected with fixing power supply, also needs power line to be connected to portable electric appts.In addition, also need on the surface of portable electric appts to arrange the contact terminal be connected with charger.Contact terminal is exposed to outside, affects the outward appearance of portable electric appts.The more important thing is, contact terminal may be caused loose contact by the foreign substance pollution of outside, and What is more is short-circuited, and causes battery to be completely discharged.
Along with the development of wireless technology, the equipment manufacturers of some chargers begin one's study and manufacture the charger device that can carry out wireless charging to battery.The convenient part of wireless charging is, without the need to portable electric appts being connected on any electric wire, the contact terminal arranged on charger and portable electric appts for being connected to each other is not needed yet, have that fail safe is high, waterproof, advantage without long connecting line, namely put and namely fill, remove the worry of wiring from, user-friendly.
Current wireless charging technology mainly adopts electromagnetic induction principle, carries out by coil the transmission that Energy Coupling realizes energy, is adopted non-contacting mode by between charging object and power supply.
Common wireless charger equipment is similar to a flat board in shape.Fig. 1 illustrates the schematic perspective view of a conventional wireless charger device.As shown in Figure 1, wireless charger equipment 10 has shell 11, and the upper surface of shell 11 forms wireless charging platform 12, and wireless charging platform 12 has primary coil (or being called transmitting coil), when charging, be placed on wireless charging platform 12 by charging object.Shell 11 can also have and be formed in the switch 13 before shell 11 and the LED light 14 for showing charged state.Certainly, wireless charger equipment 10 also has the plug (not shown) be connected with fixed power source, to obtain direct current or AC energy input.
Fig. 2 illustrates the control block diagram of above-mentioned conventional wireless charger device 10.As shown in Figure 2, wireless charger equipment 10 can comprise power management module 101, charge control module 102, oscillating circuit 103, power amplifier 104, transmitting coil (also referred to as primary coil) 105 and sensing module 106 substantially.
The power management module 101 of wireless charger equipment 10 obtains direct current or AC energy from the fixed power source of outside, is converted into the voltage needed for inside, for other module and circuit, such as, is supplied to charge control module 102, oscillating circuit 103 etc.The electric energy that power management module 101 provides is become high frequency ac signal by oscillating circuit 103 under the control of charge control module 102, this signal amplifies through power amplification circuit 104, be provided to transmitting coil 105, transmitting coil 105 utilizes the high-frequency signal emitting electromagnetic wave through amplifying.Wherein, charge control module 102 is that the information provided according to sensing module 106 controls oscillating circuit 103, sensing module 106 detects the voltage of transmitting coil 105, convert thereof into electric current, send to charge control module 102, charge control module 102 pairs of current informations process, and control accordingly accordingly, such as, judge whether to start charging, the need of adjustment frequency of oscillation etc.
Corresponding is provided with induction receiving coil (being also secondary coil) and charging conversion circuit by charging device, induction receiving coil receives the electromagnetic wave that transmitting coil 105 is launched, convert required voltage to through charging conversion circuit, be supplied to rechargeable battery, charge.
The charge efficiency of this wireless charging technology is proportional with the flux density be coupled, and therefore, has higher requirement to the size of transmitting coil and receiving coil, shape and relative position and distance.So, usually for different charging objects, the transmitting coil of the wireless charger equipment of ad hoc structure and specific size, shape is set, with this ensure wireless charger equipment with by the relative position of the object that charge and distance and compatibility.That is, the wireless charger equipment of a type all can only be charged by charging object for a kind of given configuration and the specific of size usually.
But at present, portable electric appts is of a great variety, size shape is also different, and undersized have earphone, MP3, and middle-sized have game machine, mobile phone, camera etc., and large-sized have panel computer, notebook computer etc.For the wireless charger equipment of the portable electric appts design different size of different size and profile, the inconvenience carried and use can be caused, also cause the wasting of resources.
In addition, when utilizing current wireless charger equipment to carry out wireless charging, needed critically to be placed on wireless charger equipment by charging device, fixing position and distance is kept with wireless charger equipment, in general, this operating distance is no more than several centimetres, otherwise just cannot charge or cause the charging interval greatly to extend, and then charge efficiency is reduced greatly.This restriction causes great inconvenience to user, because this substantially cannot be used between charge period by charging device.
On the other hand, the wireless charger equipment of this all-in-one platform pattern effectively can not be monitored in real time, manage by the situation of charging device, such as charge efficiency, charge mode etc., such as, and all operations all need user to carry out wireless charging applicator platform left-hand seat is dynamic, adjust by the position of charging device, select charge mode etc.This flexibility that all result in existing wireless charger equipment is very poor.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of solution of wireless charging.Have easily extensible, capable of being combined, multi-functional feature according to the wireless charger equipment of the program, easy to use, flexibility is strong.Wherein, wireless charger equipment comprises main control unit and the one or more detachable electric energy transmitter unit that can combine with main control unit.Electric energy transmitter unit can be sized by, different various portable electric appts provide the charhing unit of rechargeable electrical energy.Main control unit and electric energy transmitter unit are combined into the wireless charger equipment of portable electric appts adapting to all kinds, all size, various shape.Each electric energy transmitter unit can be dismantled, and is easy to carry; Can assemble, be convenient to expansion.
Wireless charger equipment of the present invention comprises main control unit and one or more electric energy transmitter unit, is removably connected between main control unit with electric energy transmitter unit and between electric energy transmitter unit by interface;
Described main control unit comprises: power management module and top control module,
Obtained direct current or alternating current are converted to the electric energy needed for described main control unit inside by described power management module, and export the electric energy after conversion to described interface, and then are transferred to described electric energy transmitter unit by interface;
Described top control module adopts the mode of master slave mode bus to be connected by described interface with described electric energy transmitter unit, the operation of main control unit described in control and management and described electric energy transmitter unit;
Described electric energy transmitter unit utilizes the electric energy emitting electromagnetic wave received.
Wherein, described main control unit comprises further: transmitter module, and it is for receiving electric energy from described power management module, and emitting electromagnetic wave, described transmitter module comprises: sensing module, charge control module, oscillating circuit, power amplifier and transmitting coil, wherein
Described sensing module is for detecting the information of transmitting coil;
The information of the transmitting coil that described charge control module detects according to described sensing module controls described oscillating circuit and described power amplifier, to provide suitable signal for transmitting coil;
Described oscillating circuit is used under the control of described charge control module, converts the electric energy after described power management module conversion to high-frequency signal, is supplied to described power amplifier;
Described power amplifier amplifies the high-frequency signal received, and exports to described transmitting coil;
Described transmitting coil utilizes the high-frequency signal emitting electromagnetic wave through amplifying.
Further, described electric energy transmitter unit comprises: sensing module, charge control module, oscillating circuit, power amplifier and transmitting coil, wherein,
Described sensing module is for detecting the information of the transmitting coil of described electric energy transmitter unit;
The information of the transmitting coil that described charge control module detects according to described sensing module controls oscillating circuit and the power amplifier of described electric energy transmitter unit, to provide suitable signal for transmitting coil;
Described oscillating circuit be used under the control of described charge control module, by from described main control unit, by power interface transmit come voltage transitions become high-frequency signal, be supplied to power amplifier;
Described power amplifier amplifies the high-frequency signal received, and exports to transmitting coil;
Described transmitting coil utilizes the high-frequency signal emitting electromagnetic wave through amplifying.
Described main control unit can further include: radio access point module, it is for being provided path by the data communication between charging device and another wireless device, between described main control unit and another wireless device, another wireless device is operated by charging device between by charging device charge period, and controls the wireless charging of described electric energy transmitter unit by controlling described main control unit.Described radio access point module comprises: antenna, wireless receiving transmitting terminal, radio base band and data processor.
Described interface includes but not limited to embedded interface, contact interface, plug-in type interface, buckle-type interface etc.
The present invention also provides a kind of wireless charger equipment, and it comprises main control unit, and this main control unit comprises:
Power management module, for being converted to the electric energy needed for described main control unit inside by obtained direct current or alternating current;
Transmitter module, for receiving electric energy from described power management module, and emitting electromagnetic wave;
Top control module, for the operation of main control unit described in control and management; With
Radio access point module, for building wireless network, to be connected with described top control module and mutual, for being provided path by the data communication between charging device and another wireless device, between described top control module and another wireless device, another wireless device is operated by charging device between by charging device charge period.
Described transmitter module comprises: sensing module, charge control module, oscillating circuit, power amplifier and transmitting coil, wherein,
Described sensing module is for detecting the information of transmitting coil;
The information of the transmitting coil that described charge control module detects according to described sensing module controls described oscillating circuit and described power amplifier, to provide suitable signal for transmitting coil;
Described oscillating circuit is used under the control of described charge control module, converts the electric energy after described power management module conversion to high-frequency signal, is supplied to described power amplifier;
Described power amplifier amplifies the high-frequency signal received, and exports to described transmitting coil;
Described transmitting coil utilizes the high-frequency signal emitting electromagnetic wave through amplifying.
Described radio access point module comprises: antenna, wireless receiving transmitting terminal, radio base band and data processor.
Described wireless charger equipment comprises further: one or more electric energy transmitter unit, wherein, is removably connected between described main control unit with described electric energy transmitter unit and between described electric energy transmitter unit by interface;
Described power management module exports the electric energy after conversion to described interface, and then is transferred to described electric energy transmitter unit by interface;
Described top control module adopts the mode of master slave mode bus to be connected by described interface with described electric energy transmitter unit, the operation of main control unit described in control and management and described electric energy transmitter unit;
Described electric energy transmitter unit utilizes the electric energy emitting electromagnetic wave received from described power management module.
Described electric energy transmitter unit comprises: sensing module, charge control module, oscillating circuit, power amplifier and transmitting coil, wherein,
Described sensing module is for detecting the information of the transmitting coil of described electric energy transmitter unit;
The information of the transmitting coil that described charge control module detects according to described sensing module controls oscillating circuit and the power amplifier of described electric energy transmitter unit, to provide suitable signal for transmitting coil;
Described oscillating circuit is used under the control of described charge control module, becomes high-frequency signal, be supplied to power amplifier by from being transmitted the voltage transitions come by power interface;
Described power amplifier amplifies the high-frequency signal received, and exports to transmitting coil;
Described transmitting coil utilizes the high-frequency signal emitting electromagnetic wave through amplifying.
Described interface can include but not limited to: embedded interface, contact interface, plug-in type interface, buckle-type interface.
Present invention also offers the wireless charging method using above wireless charger equipment, comprise the following steps:
Wireless charger equipment carries out system initialization, and wherein, described wireless charger equipment comprises main control unit and one or more electric energy transmitter unit removably connected with main control unit;
Charge mode is set;
Detect by charging device;
Main control unit described in training in rotation and described electric energy transmitter unit, obtain the charge information of described main control unit and described electric energy transmitter unit;
Judge that the charge mode of described main control unit and described electric energy transmitter unit is active charging mode or passive charge mode;
When active charging mode, described main control unit and described electric energy transmitter unit carry out wireless charging according to predetermined way;
When passive charge mode, described main control unit and described electric energy transmitter unit receive instruction from the top control module of described wireless charger equipment and carry out wireless charging according to instruction.
Described method comprises further:
The radio access point module of described wireless charger equipment sets up wireless network;
Describedly accessed described wireless network by charging device and another wireless device;
The charge information of obtained described main control unit and described electric energy transmitter unit is sent to another wireless device described via described wireless network by described top control module;
Another wireless device described sends instruction to described top control module via described wireless network.
Described instruction includes but not limited to give an order: the instruction of the instruction indicating the instruction of constant speed charging, the instruction of instruction quick charge, instruction to charge at a slow speed, the instruction of instruction startup charging, instruction stopping charging.
Another wireless device described utilizes Terminal Server Client to control application by described wireless network to carry out operating and use described by charging device.
Judge that described main control unit and described electric energy transmitter unit are that the step of active charging mode or passive charge mode and the step that arranges charge mode can be carried out in real time in charging process.
The technology that above-mentioned radio access point module adopts includes but not limited to WiFi, Bluetooth, UWB, ZigBee, IrDA etc., and optical transport technology, sound transmission technology etc.
By comprising radio access point module at wireless charger equipment, can make to be carried out RFDC by charging device and other radio-based electronic devices (another wireless device).Like this, when be placed on by charging device wireless charger equipment charges time, user can use other radio-based electronic devices (such as, PC or other mobile device) by radio access point module (wireless data transmission unit) access and use by charging device.Such as, be loaded on other radio-based electronic devices by the information of charging device (including but not limited to system information, screen message, keypad information, voice messaging etc.), like this, this radio-based electronic devices can real-time simulation by charging device.So user being carried out in the process of wireless charging by charging device, directly can not contact and moving by charging device, just can continue to use it, thus reduce the restriction to user, user-friendly and operation.
Further, utilize above-mentioned wireless access function, wireless charger equipment all right real-time monitored, each wireless charging applicator platform of control and management, obtain on it all charging by the situation of charging device, such as, charging by the time of the quantity of charging device, charge efficiency, charging complete, whether there is metallic foreign body on charger platform etc., the various charge modes of each wireless charging applicator platform can also be controlled whereby, such as, charging, shutoff charging, normal speed charging, quick charge, at a slow speed charging etc. are opened.Therefore, wireless charger equipment of the present invention flexibility is strong, and adaptability is good.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of traditional wireless charger equipment based on electromagnetic induction principle.
Fig. 2 is the control block diagram of traditional wireless charger equipment based on electromagnetic induction principle.
Fig. 3 is the control block diagram of wireless charger equipment according to an embodiment of the invention.
Fig. 4 is the control block diagram of main control unit in accordance with another embodiment of the present invention.
Fig. 5 is the connection diagram of main control unit according to example wireless charger device of the present invention and electric energy transmitter unit.
Fig. 6 is the schematic diagram according to the main control unit of example wireless charger device of the present invention and the several compound mode of electric energy transmitter unit.
Fig. 7 A is the application controls block diagram that wireless charger equipment of the present invention realizes RFDC and wireless charging.
Fig. 7 B is the RFDC schematic diagram according to example wireless charger device of the present invention.
Fig. 7 C is that other radio-based electronic devices utilizes WAP (wireless access point) function to control and uses by the indicative flowchart of charging device.
Fig. 8 is the indicative flowchart according to exemplary charging process of the present invention.
Fig. 9 is the indicative flowchart utilizing WAP (wireless access point) function of the present invention to control the charging process of electric energy transmitter unit.
Embodiment
Below, embodiments of the invention are described in detail by reference to the accompanying drawings.
Fig. 3 illustrates the control block diagram of wireless charger equipment according to an embodiment of the invention.
As shown in Figure 3, wireless charger equipment according to the present invention comprises main control unit 200 and one or more electric energy transmitter unit, in this example, three electric energy transmitter units 220,230 and 240 is shown.
Each electric energy transmitter unit is all removably connected with main control unit 200, and its connected mode can adopt but be not limited to embedded, the various interface such as contact, plug-in type, buckle-type.Interface is the tie point of main control unit 200 and electric energy transmitter unit 220,230,240, and the electric energy that main control unit 200 provides is sent to this interface through power-supply wiring, and then is sent to electric energy transmitter unit 220,230,240.The bus (can be called data/address bus) transmitting data and control information at main control unit 200 and each electric energy transmitter unit is also all routed to interface, when main control unit 200 is connected by the various interface mode such as embedded, contact, plug-in type, buckle-type with each electric energy transmitter unit, data transfer path is formed.So, data and control information etc. can be transmitted between main control unit 200 and each electric energy transmitter unit.It should be noted that, the bus transmitting data and control information between main control unit and each electric energy transmitter unit can adopt the connected mode of master slave mode, includes but not limited to I2C, SPI etc.
That is, physically, the power connection points between main control unit 200 and electric energy transmitter unit and bus tie point are all formed in interface, but power-supply wiring and route bus separately carry out.In addition, also can pass through interfaces interconnect between each electric energy transmitter unit, similarly, the power connection points between each electric energy transmitter unit and bus tie point are also formed in interface, but the power-supply wiring of their inside and route bus also separately carry out.
Main control unit 200 obtains direct current or alternating current from external power source, carries out the management of wireless charging, carries out data interaction with one or more electric energy transmitter unit 220,230 and 240, and for they provide electric energy to input.
Electric energy transmitter unit 220 and main control unit 200 combinationally use, and receive electric energy from main control unit 200, by processing the electric energy received, external emitting electromagnetic wave, for for charging object carry out wireless charging.Electric energy transmitter unit 230 is substantially identical with electric energy transmitter unit 220 with function with the design principle of 240, but they can carry out wireless charging for different charging objects.Such as, electric energy transmitter unit 220 can be configured to earphone wireless charging, and electric energy transmitter unit 230 and 240 can be designed to be respectively i Phone and personal digital assistant (PDA) wireless charging.
With further reference to Fig. 3, main control unit 200 comprises power management module 201, charge control module 202, oscillating circuit 203, power amplifier 204, transmitting coil 205, sensing module 206 and top control module 207.
Top control module 207 is responsible for maintenance, the control and management of whole wireless charger equipment, such as, initialization system, with each electric energy transmitter unit carry out data interaction etc.In main control unit 200, top control module 207 is connected to charge control module 202.Top control module 207 is also connected to each electric energy transmitter unit by data/address bus, is specifically connected to the charge control module of each electric energy transmitter unit, for the charge information of all charge control module of training in rotation, and can control all charge control module.The mutual employing of the data of top control module 207 and each charge control module and control information etc. but be not limited to the bus mode of master slave mode, includes but not limited to I2C, SPI etc.
Power management module 201 receives the direct current or alternating current that are obtained from external power source by the attaching plug (not shown) of main control unit 200, convert received direct current or alternating current to electric energy needed for inside, for other module and circuit, such as, the electric energy after conversion is supplied to charge control module 202, oscillating circuit 203 etc.Usually, main control unit 200 is connected on traditional domestic power supply by attaching plug, and such as, the alternating voltage of 220V, the alternating voltage of 220V is converted to the direct voltage of the such as 12V needed for main control unit 200 inside by power management module 201.
The operation of the signal controlling oscillating circuit 203 that charge control module 202 exports according to sensing module 206, power amplifier 204 and transmitting coil 205, to provide suitable electric energy for transmitting coil 205.Such as, charge control module 202 can control operation to turn off charge mode, reduce charging current, to regulate frequency of oscillation etc., signal also by exporting sensing module 206 processes, and can judge close to the article of wireless charger equipment it is whether corresponding to charging object, etc.
Oscillating circuit 203 is used as oscillator, and the electric energy after being changed by power management module 201 converts high-frequency signal to, is supplied to power amplifier 204.
Power amplifier 204 amplifies the high-frequency signal received, and exports to transmitting coil 205.
Transmitting coil 205 utilizes the high-frequency signal emitting electromagnetic wave through amplifying.
This information for detecting the information of transmitting coil 205, and is sent to charge control module 202 by sensing module 206, for it, so that charge control module 202 can judge and control by the charging of charging device accordingly.Sensing module 206 can be voltage/current (V/I) sensing module, and voltage transitions for detecting the voltage of transmitting coil 205, and is become current signal by it, exports to charge control module 202 and processes.Due to when carrying out wireless charging, transmitting coil 205 with interacted by the receiving coil of charging device, so the information indirects such as the electric current and voltage of transmitting coil 205 reflect by the relevant information of charging device.
Above, charge control module 202, oscillating circuit 203, power amplifier 204 and transmitting coil 205 and sensing module 206 can form the transmitter module of main control unit 200 jointly, convert electromagnetic wave to for the electric energy after being changed by power management module 201, carry out wireless charging to by charging device.
The main control unit 200 self comprising above-mentioned transmitter module just can as wireless charging platform, by processing the direct current received or alternating current, wirelessly to particular type and size by charging object emitting electromagnetic wave, for being provided electric energy by charging device, carry out wireless charging.
Except the above-mentioned module shown in Fig. 3, main control unit can also comprise radio access point module.Fig. 4 illustrates the control block diagram of the main control unit comprising radio access point module.This main control unit realizes Wireless Data Transmission by comprising radio access point module, make other radio-based electronic devices (such as, desktop computer, PDA, panel computer, notebook computer, the various mobile terminal etc. with radio function) this wireless data transmission function can be utilized to operate by charging device, and need not move and contact by charging device, in addition, can also utilize this function control on each electric energy transmitter unit by the wireless charging of charging device.Here, other radio-based electronic devices refers to the radio-based electronic devices outside by charging device.
Particularly, the main control unit 300 shown in Fig. 4, compared with the main control unit 200 shown in Fig. 3, comprises radio access point module further, and it comprises wireless receiving transmitting terminal 301, radio base band 302, data processor 303 and antenna 304.Antenna 304 is connected on wireless receiving transmitting terminal 301, receives and transmits.Wireless receiving transmitting terminal 301, radio base band 302, data processor 303 and antenna 304 are combined, and realize the function of wireless router.Other radio-based electronic devices can utilize these module accesses and access by charging device, and then uses by charging device.Like this, user is being carried out in the process of wireless charging by charging device, need not move and touch by charging device, just can continue to use by charging device.Wherein, radio access point module can adopt the technology such as WiFi, Bluetooth, UWB, ZigBee, IrDA, can also adopt optical transport technology, sound transmission technology etc.It should be noted that, the technology that radio access point module adopts be not limited to above-mentioned these, as long as can realize by charging device and the communication of other radio-based electronic devices and the communication of other radio-based electronic devices and main control unit 300, can use by radio access point module.
As shown in Figure 4, the data processor 303 of radio access point module is also connected to top control module 207, like this, other radio-based electronic devices can realize by the control of charging device by radio access point module, such as, top control module 207 monitors the charge information of each electric energy transmitter unit and main control unit, other radio-based electronic devices is sent to by radio access point module, other radio-based electronic devices judges this, form instruction, and instruction is sent to top control module 207 by radio access point module, and then send to main control unit and/or each electric energy transmitter unit, thus realize separately by the control of the wireless charging situation of charging device.
Further, main control unit 200 and/or 300 can also comprise LED (not shown).LED is controlled by power management module 201 and charge control module 202, be used to indicate the operating state of main control unit 200, such as, whether main control unit 200 is connected to external power source, main control unit 200 whether outwards emitting electromagnetic wave, which electric energy transmitter unit that main control unit 200 connects is working, etc.When main control unit 300 comprises radio access point module, whether LED can also indicate radio access point module to work, etc.LED can be an indicator light, can be also LED array, comprise multiple LED, indicates above-mentioned various and out of Memory respectively.
Refer again to Fig. 3, describe the formation of electric energy transmitter unit.As mentioned above, electric energy transmitter unit 220,230 is substantially identical with function with the design principle of 240.So, only describe it in detail for electric energy transmitter unit 220 and formed.
As shown in Figure 3, electric energy transmitter unit 220 comprises oscillating circuit 221, power amplifier 222, transmitting coil 223, sensing module 224 and charge control module 225.Electric energy transmitter unit 220 can further include the LED (not shown) being used to indicate operating state.
The mode of operation of oscillating circuit 221, power amplifier 222, transmitting coil 223, sensing module 224 and charge control module 225 and the oscillating circuit 203 in main control unit 200 or 300, power amplifier 204, transmitting coil 205, sensing module 206 are substantially identical with the mode of operation of charge control module 202.Such as, when being placed on electric energy transmitter unit 220 by charging device, sensing module 224 detects the voltage of transmitting coil 223, convert electric current to, be supplied to charge control module 225, charge control module 225 carries out controlling (such as based on these information, open charging, stop charging, fill soon, trickle charge etc.), and the electric energy conversion received from main control unit is become high-frequency signal by instruction oscillating circuit 221, amplify through power amplifier 222, and then send to transmitting coil 223, external emitting electromagnetic wave, charged by charging device accordingly.
Electric energy transmitter unit 220,230,240 directly can pass through interface (such as embedded, the various interface such as contact, plug-in type and/or bayonet type) and be connected with main control unit 200 or 300, to obtain electric energy and the data transfer path between formation and main control unit.Electric energy transmitter unit 220,230,240 can also be connected by interface by the electric energy transmitter unit contiguous with other, to be bridged to main control unit 200 or 300, obtains electric energy and the data transfer path between formation and main control unit.Annexation between them can with further reference to Fig. 5 and Fig. 6.
The main control unit of Fig. 5 according to example wireless charger device of the present invention and the connection diagram of electric energy transmitter unit.Therebetween connection mainly comprises two parts: the connection of the connection of transmitting the power line of electric energy and the bus transmitting data.Be that connection or the connection of bus of power line is all undertaken by interface, interface includes but not limited to embedded interface, contact interface, plug-in type interface and/or bayonet coupling etc.
As mentioned above, the electric energy that the power management module of main control unit will be converted to from the direct current of outside or alternating current needed for inside, the power line of this electric energy through main control unit inside is transferred to the module needed for each, as shown in Figure 5, power line is also looped around around main control unit, extend to the interface (such as, embedded, the various interface such as contact, plug-in type and/or bayonet type) set by the appropriate location (such as, four limits of this platform of main control unit) of main control unit.Interface be used for be connected with the corresponding interface of electric energy transmitter unit, with by the electrical energy transfer of main control unit to electric energy transmitter unit.Similarly, the surrounding of electric energy transmitter unit is also surrounded with power line, and suitable position is also provided with interface, to be connected with other electric energy transmitter unit and main control unit.
Main control unit by around power line and interface by the electrical energy transfer of generation to the electric energy transmitter unit be attached thereto.Then, this electric energy transmitter unit again by being looped around power line on self unit and interface by electrical energy transfer to its other adjoining electric energy transmitter unit, the like, the electric energy that all electric energy transmitter units all will obtain needed for self, as shown in Figure 5.So a main control unit can combine with several (Fig. 5 illustrates 5) electric energy transmitter units, thus can being charged by charging device to multiple dissimilar, different size.
The connection of bus and wire laying mode be similar and power line also.The bus extended from the top control module of main control unit can be looped around around main control unit together with power line, extend in the appropriate location of main control unit (such as, four limits of this platform of main control unit) set by interface (such as, embedded, the various interface such as contact, plug-in type and/or bayonet type).Interface is connected with the corresponding interface of electric energy transmitter unit, and the surrounding of electric energy transmitter unit is also surrounded with bus, extends to the interface in position arranged together with power line.So the data communication path between main control unit and each electric energy transmitter unit and between each electric energy transmitter unit is formed at this point.
Fig. 6 is the schematic diagram according to the several compound mode of main control unit and electric energy transmitter unit in example wireless charger device of the present invention.
As shown in Figure 6, show five kinds of compound mode (1)-(5) of main control unit and several electric energy transmitter units, they form respectively as difference to be carried out the wireless charger equipment of wireless charging by the object that charges.Such as, the main control unit shown in compound mode (1)-(3) and the electric energy transmitter unit pattern that is arranged in a row respectively, lines up two rows, line up cross.They can also be arranged in as the compound mode (4) in Fig. 6 and the pattern shown in (5), it should be noted that, under this compound mode, also need connecting plate, in order to main control unit is connected with electric energy transmitter unit and supports, connecting plate, except playing the effect of support, also plays effect power line, data/address bus are connected.Described compound mode is not limited to shown these five kinds, according to the difference of used occasion, place, purposes etc., can carry out the combination of arbitrary form.
Below, the use of wireless charger equipment of the present invention is described.
First, see Fig. 7 A, it illustrates the wireless charger equipment that operates in, by charging device with for controlling to be applied by the control on other radio-based electronic devices of charging device.Utilize this application, wireless charger equipment of the present invention, can be intercomed mutually with other radio-based electronic devices by charging device, realize flexibly, wireless charging easily.
As shown in the figure, the control application being applicable to wireless charging technology of the present invention includes but not limited to: master control application 1.0, system initialization module 1.1, charging control application 1.2, main control unit inquiry module 1.3, electric energy transmitter unit responder module 1.4, main control unit control module 1.5, wireless communication module 1.6, system maintaining module 1.7, charging monitoring module 1.8, Terminal Server Client control module 1.9.
Master control application 1.0 operates in the top control module of main control unit, is mainly used in configuration management and the control of whole wireless charger equipment.
System initialization module 1.1 operates in the top control module of main control unit, each electric energy transmitter unit being mainly used in initialization main control unit He being attached thereto.
Charging controls application 1.2 and operates in in the charge control module of electric energy transmitter unit in the charge control module (if any) of main control unit, mainly for the treatment of coming from by the information of charging device, and carries out arranging to charge mode and controls.
Main control unit inquiry module 1.3 operates in the top control module of main control unit, for the charge information of training in rotation main control unit and all electric energy transmitter modules.
Electric energy transmitter unit responder module 1.4 operates in the charge control module of electric energy transmitter unit, for responding the inquiry from main control unit, provides the charge information etc. of self.
Main control unit control module 1.5 operates in the top control module of main control unit, sends charge mode instruction (passive charge mode), control the charge mode of main control unit and each electric energy transmitter module to main control unit and each electric energy transmitter module.
Wireless communication module 1.6 operates in the radio access point module of main control unit, be mainly used in by charging device and control by the radio communication of other radio-based electronic devices of charging device.
System maintaining module 1.7 operates in the top control module of main control unit and the charge control module of electric energy transmitter unit, is mainly used in the maintenance of itself.
Charging monitoring module 1.8 operates in the top control module of main control unit, and being mainly used in communicates with other radio-based electronic devices monitors charge mode.
Terminal Server Client control module 1.9 operates in by charging device and needs to control by other radio-based electronic devices of charging device, for the intercommunication mutually between them, utilize other radio-based electronic devices of this module can remotely log on to by charging device, carry out operating and using by charging device.
Next, the use of WAP (wireless access point) function in wireless charger equipment of the present invention is described see Fig. 7 B and Fig. 7 C.
For convenience of description with illustrate clearly object, consider that main control unit 501 self also can as wireless charger equipment use, so only illustrate the main control unit 501 of wireless charger equipment in figure 7b, and shown main control unit 501 comprises radio access point module, in order to realize wireless data transmission function.Certainly, the embodiment being connected with electric energy transmitter unit also falls into scope of the present invention, in this case, be placed on electric energy transmitter unit and carry out wireless charging, and the wireless transmission of relevant information has still been controlled by main control unit by charging device.
Be positioned on main control unit 501 by charging device 502, carry out wireless charging.Other radio-based electronic devices 503 includes but not limited to the various equipment with wireless data transmission function such as PC (PC), panel computer (PAD), PDA(Personal Digital Assistant), mobile device.Main control unit 501 is as WAP (wireless access point), it wirelessly will be coupled together by charging device 502 and other radio-based electronic devices 503, other radio-based electronic devices 503 runs Terminal Server Client control program, just can include but not limited to screen, voice, image, storage, file management etc. to by charging device 502() carry out real-time control and management, operating other radio-based electronic devices 503 just looks like that operation is the same by charging device 502.Like this, even if be in the state of charging by charging device 502, directly cannot use, but by other radio-based electronic devices 503, by wireless charger equipment of the present invention, can operate and use by charging device 502 equally.
See Fig. 7 C, other radio-based electronic devices is described (such as, PC) 503 access by charging device (such as, mobile phone) 502 process, wherein, just on wireless charger equipment, wireless charging is carried out by charging device 502, and wireless charger equipment, other radio-based electronic devices and loaded respectively by charging device and run the control shown in Fig. 7 A and apply.
First, by the Terminal Server Client control module 1.9 shown in installation diagram 7A on charging device 502 and on other radio-based electronic devices 503, it can adopt various end to end communication agreement.
During use, first system initialization module 1.1 in the top control module of main control unit carries out system initialization, the wireless communication module 1.6 of radio access point module starts sets up wireless network, by charging device 502 and other radio-based electronic devices 503 by the antenna of main control unit 501, wireless receiving transmitting terminal, radio base band and digital processing unit access the wireless access point network that formed, wherein, be assigned with by charging device 502 with IP address.
Other radio-based electronic devices 503 finds by the IP address of charging device 502 in this wireless access point network, and utilize Terminal Server Client control module 1.9 to carry out Telnet, can be shown by the operation interface of charging device 502 on the screen of other radio-based electronic devices 503 in real time by Terminal Server Client control module 1.9, and then can operate being carried out file, application program, peripheral hardware etc. by charging device.
When not needing to use other radio-based electronic devices 503, or by charging device 502 charge complete can use time, only need to exit Terminal Server Client control module application program on other radio-based electronic devices 503.
It should be noted that, other radio-based electronic devices 503 can log in by Terminal Server Client control module and use multiple by charging device 502, and other radio-based electronic devices 503 multiple also can log in same by charging device 502 by Terminal Server Client control module.
See Fig. 8 and Fig. 9, describe the charging process of aggressive mode respectively and utilize WAP (wireless access point) function to carry out the process of passive charging.
By charging device be positioned over charging platform (comprise the charging platform that main control unit is formed, and the charging platform that formed of each electric energy transmitter unit) upper after the mode of namely charging voluntarily, be called active charging mode or be called for short aggressive mode.In such a mode, be placed on charging platform by charging device, the charge control module of electric energy transmitter unit or main control unit according to the input from sensing module to by charging device, then, control oscillating circuit, power amplifier and transmitting coil according to predetermined formula to carry out charging (fill soon, trickle charge etc.), until charging complete.
Not the mode of charging voluntarily after being positioned on charging platform by charging device, be called passive charge mode or be called for short Passive Mode.In such a mode, the charge control module of main control unit and electric energy transmitter unit receives the instruction of top control module in the main control unit come by bus transfer, arranges charging modes, such as, fills soon, trickle charge etc. according to instruction, and then performs charging.
See Fig. 8, when electric energy transmitter unit and main control unit are combined, prepare when being carried out wireless charging by charging device, the top control module first executive system initialization of main control unit, start various controlling functions and the circuit function of wireless charger equipment.Now, electric energy transmitter unit receives electric energy by interface from main control unit.
The transmitting coil of main control unit or electric energy transmitter unit detects by charging device;
Whether main control unit or electric energy transmitter unit detect is adopt aggressive mode to charge; Charge mode is after system initialization, is arranged by the charge control module of corresponding units, and typically, acquiescence is aggressive mode; Further, charge mode can be arranged at any time in charging process.
When adopting aggressive mode to charge, main control unit or electric energy transmitter unit are according to the preset program of self charge control module and instruction, and emitting electromagnetic wave, implements wireless charging to by charging device.
When not adopting aggressive mode but adopt Passive Mode to charge, the charge control module of main control unit and electric energy transmitter unit receives instruction (such as by interface from the top control module of main control unit, due to it is pressed for time, adopt fast mold filling formula), and control oscillating circuit, power amplifier and transmitting coil etc. according to instruction, implement wireless charging to by charging device.
Further, in charging process, main control unit or electric energy transmitter unit detect in real time and arrange charge mode, and judgement is aggressive mode or Passive Mode, according to judged result, adopt corresponding pattern to charge.
See Fig. 9, when main control unit comprises radio access point module, the wireless transmission function of radio access point module can also be utilized further, carry out detection and control by other radio-based electronic devices to by the charge condition of charging device.
Such as, multiple electric energy transmitter unit and main control unit combine, prepare to multiple carried out wireless charging by charging device time, the first executive system initialization arrange charge mode of the top control module of main control unit, starts various controlling functions and the circuit function of wireless charger equipment.Now, each electric energy transmitter unit directly or indirectly receives electric energy from main control unit by interface, and the bus of each electric energy transmitter unit and the bus of main control unit also form complete data transfer path by interface.
Like this, radio access point module sets up wireless network, other radio-based electronic devices and main control unit, mainly top control module wherein, sets up wireless connections.
Now, the charge control module of top control module to main control unit and each electric energy transmitter unit of main control unit carries out scanning inquiry, the charge control module of main control unit and each electric energy transmitter unit is replied this, and charge information is sent to main control unit by bus.
Charge information is transmitted to by the top control module of main control unit sets up by wireless network other radio-based electronic devices connected.
Control command is issued the top control module of main control unit by other radio-based electronic devices.Such as, the electric energy transmitter unit preparing to charge the phone adopts passive charge mode, and will carry out quick charge, and adopts active charging mode to the electric energy transmitter unit of laptop computer charging.
Then, the top control module of main control unit judges the charge mode of main control unit and each electric energy transmitter unit, carry out charging for adopting aggressive mode, main control unit and each electric energy transmitter unit charge voluntarily, for adopting Passive Mode to carry out charging, the control command from other radio-based electronic devices is just issued corresponding main control unit and electric energy transmitter unit by the top control module of main control unit.
In charging process, can also detect charge mode in real time, judgement is aggressive mode or Passive Mode, according to judged result, adopts corresponding pattern to charge.Such as, user may because be urgently needed, and wish to charge to laptop computer hurry up, now, user can send one by other radio-based electronic devices and fill instruction soon to the top control module of main control unit, this is filled instruction and issues to the electric energy transmitter unit of laptop computer charging by the top control module of main control unit soon, so the charge control module of this electric energy transmitter unit implements quick charge according to the frequency etc. of instruction adjustment oscillating circuit.
Visible, utilize the wireless charger equipment comprising main control unit and multiple electric energy transmitter unit detachably assembled with main control unit of the present invention, can charge to multiple electronic equipment simultaneously, easily extensible between main control unit and electric energy transmitter unit, capable of being combined, detachable, easy to use, be easy to carry.Utilize the WAP (wireless access point) function of main control unit, other radio-based electronic devices can also be utilized to control and use all these by charging device, so, can real-time monitored, control and management wireless charging applicator platform, flexibility is strong, and adaptability is good.
It should be noted that, reference each embodiment described by accompanying drawing is only in order to illustrate the present invention but not to limit the scope of the invention above, those of ordinary skill in the art is to be understood that, the amendment carried out the present invention under the premise without departing from the spirit and scope of the present invention or equivalently to replace, all should contain within the scope of the present invention.In addition, unless the context outside indication, the word occurred in the singular comprises plural form, and vice versa.In addition, unless stated otherwise, all or part of of so any embodiment can use in conjunction with all or part of of other embodiment any.
Claims (17)
1. a wireless charger equipment, is characterized in that, comprises main control unit and one or more electric energy transmitter unit, is removably connected between main control unit with electric energy transmitter unit and between electric energy transmitter unit by interface;
Described main control unit comprises: power management module and top control module,
Obtained direct current or alternating current are converted to the electric energy needed for described main control unit inside by described power management module, and export the electric energy after conversion to described interface, and then are transferred to described electric energy transmitter unit by interface;
Described top control module adopts the mode of master slave mode bus to be connected by described interface with described electric energy transmitter unit, the operation of main control unit described in control and management and described electric energy transmitter unit; Described electric energy transmitter unit utilizes the electric energy emitting electromagnetic wave received.
2. wireless charger equipment as claimed in claim 1, it is characterized in that, described main control unit comprises further: transmitter module, for receiving electric energy from described power management module, and emitting electromagnetic wave, described transmitter module comprises: sensing module, charge control module, oscillating circuit, power amplifier and transmitting coil, wherein
Described sensing module is for detecting the information of transmitting coil;
The information of the transmitting coil that described charge control module detects according to described sensing module controls described oscillating circuit and described power amplifier, to provide suitable signal for transmitting coil;
Described oscillating circuit is used under the control of described charge control module, converts the electric energy after described power management module conversion to high-frequency signal, is supplied to described power amplifier;
Described power amplifier amplifies the high-frequency signal received, and exports to described transmitting coil;
Described transmitting coil utilizes the high-frequency signal emitting electromagnetic wave through amplifying.
3. wireless charger equipment as claimed in claim 1, it is characterized in that, described electric energy transmitter unit comprises: sensing module, charge control module, oscillating circuit, power amplifier and transmitting coil, wherein,
Described sensing module is for detecting the information of the transmitting coil of described electric energy transmitter unit;
The information of the transmitting coil that described charge control module detects according to described sensing module controls oscillating circuit and the power amplifier of described electric energy transmitter unit, to provide suitable signal for transmitting coil;
Described oscillating circuit is used under the control of described charge control module, by from described main control unit, the voltage transitions come by the transmission of described interface becomes high-frequency signal, is supplied to power amplifier;
Described power amplifier amplifies the high-frequency signal received, and exports to transmitting coil;
Described transmitting coil utilizes the high-frequency signal emitting electromagnetic wave through amplifying.
4. the wireless charger equipment according to any one of claim 1-3, it is characterized in that, described main control unit comprises further: radio access point module, it is for being provided path by the data communication between charging device and another wireless device, between described main control unit and another wireless device, another wireless device is operated by charging device between by charging device charge period, and controls by controlling described main control unit the wireless charging that described electric energy transmitter unit provides.
5. wireless charger equipment as claimed in claim 4, it is characterized in that, described radio access point module comprises: antenna, wireless receiving transmitting terminal, radio base band and data processor.
6. wireless charger equipment as claimed in claim 1, it is characterized in that, described interface is embedded interface, contact interface, plug-in type interface or buckle-type interface.
7. a wireless charger equipment, is characterized in that, comprises main control unit, and this main control unit comprises:
Power management module, for being converted to the electric energy needed for described main control unit inside by obtained direct current or alternating current;
Transmitter module, for receiving electric energy from described power management module, and emitting electromagnetic wave;
Top control module, for the operation of main control unit described in control and management; With
Radio access point module, for building wireless network, to be connected with described top control module and mutual, for being provided path by the data communication between charging device and another wireless device, between described top control module and another wireless device, another wireless device is operated by charging device between by charging device charge period.
8. wireless charger equipment as claimed in claim 7, it is characterized in that, described transmitter module comprises: sensing module, charge control module, oscillating circuit, power amplifier and transmitting coil, wherein,
Described sensing module is for detecting the information of transmitting coil;
The information of the transmitting coil that described charge control module detects according to described sensing module controls described oscillating circuit and described power amplifier, to provide suitable signal for transmitting coil;
Described oscillating circuit is used under the control of described charge control module, converts the electric energy after described power management module conversion to high-frequency signal, is supplied to described power amplifier;
Described power amplifier amplifies the high-frequency signal received, and exports to described transmitting coil;
Described transmitting coil utilizes the high-frequency signal emitting electromagnetic wave through amplifying.
9. wireless charger equipment as claimed in claim 7 or 8, it is characterized in that, described radio access point module comprises: antenna, wireless receiving transmitting terminal, radio base band and data processor.
10. wireless charger equipment as claimed in claim 7 or 8, it is characterized in that, described wireless charger equipment comprises further: one or more electric energy transmitter unit,
Wherein, be removably connected by interface between described main control unit with described electric energy transmitter unit and between described electric energy transmitter unit;
Described power management module exports the electric energy after conversion to described interface, and then is transferred to described electric energy transmitter unit by interface;
Described top control module adopts the mode of master slave mode bus to be connected by described interface with described electric energy transmitter unit, the operation of main control unit described in control and management and described electric energy transmitter unit;
Described electric energy transmitter unit utilizes the electric energy emitting electromagnetic wave received from described power management module.
11. wireless charger equipment as claimed in claim 10, it is characterized in that, described electric energy transmitter unit comprises: sensing module, charge control module, oscillating circuit, power amplifier and transmitting coil, wherein,
Described sensing module is for detecting the information of the transmitting coil of described electric energy transmitter unit;
The information of the transmitting coil that described charge control module detects according to described sensing module controls oscillating circuit and the power amplifier of described electric energy transmitter unit, to provide suitable signal for transmitting coil;
Described oscillating circuit is used under the control of described charge control module, becomes high-frequency signal, be supplied to power amplifier by from being transmitted the voltage transitions come by power interface;
Described power amplifier amplifies the high-frequency signal received, and exports to transmitting coil;
Described transmitting coil utilizes the high-frequency signal emitting electromagnetic wave through amplifying.
12. wireless charger equipment as claimed in claim 10, is characterized in that, described interface is embedded interface, contact interface, plug-in type interface or buckle-type interface.
The method of 13. 1 kinds of wireless chargings, is characterized in that, comprises the following steps:
Wireless charger equipment carries out system initialization, and wherein, described wireless charger equipment comprises main control unit and one or more electric energy transmitter unit removably connected with main control unit, and described main control unit comprises top control module;
Charge mode is set;
Detect by charging device;
Main control unit described in training in rotation and described electric energy transmitter unit, obtain the charge information of described main control unit and described electric energy transmitter unit;
Judge that the charge mode of described main control unit and described electric energy transmitter unit is active charging mode or passive charge mode;
When active charging mode, described main control unit and described electric energy transmitter unit carry out wireless charging according to predetermined way;
When passive charge mode, described main control unit and described electric energy transmitter unit receive instruction from described top control module and carry out wireless charging according to instruction.
14. methods as claimed in claim 13, it is characterized in that, described method comprises further:
Radio access point module included by described main control unit sets up wireless network;
Describedly accessed described wireless network by charging device and another wireless device;
The charge information of obtained described main control unit and described electric energy transmitter unit is sent to another wireless device described via described wireless network by described top control module;
Another wireless device described sends instruction to described top control module via described wireless network.
15. methods as described in claim 13 or 14, wherein, described instruction comprises one of giving an order: the instruction of the instruction indicating the instruction of constant speed charging, the instruction of instruction quick charge, instruction to charge at a slow speed, the instruction of instruction startup charging, instruction stopping charging.
16. methods as claimed in claim 14, is characterized in that, another wireless device described utilizes Terminal Server Client control application operating and use described by charging device by described wireless network.
17. methods as claimed in claim 13, it is characterized in that, judge that the charge mode of described main control unit and described electric energy transmitter unit is that the step of active charging mode or passive charge mode and the step that arranges charge mode are carried out in real time in charging process.
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| US11870274B2 (en) | 2018-07-31 | 2024-01-09 | Huawei Technologies Co., Ltd. | Wireless charging device |
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