CN103545858A - Remote wireless charging of battery-powered equipment - Google Patents
Remote wireless charging of battery-powered equipment Download PDFInfo
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- CN103545858A CN103545858A CN201310087324.9A CN201310087324A CN103545858A CN 103545858 A CN103545858 A CN 103545858A CN 201310087324 A CN201310087324 A CN 201310087324A CN 103545858 A CN103545858 A CN 103545858A
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Abstract
The invention discloses a wireless charging system, which comprises at least one power transmission unit and multiple remote wireless charging units, wherein, the power transmission unit is euqipped for broadcast RF signal and RF signal carried control data; the supply of DC voltage is carried out by a charging switch under the control of control data, thereby permitting operator of system to start and close of output voltage of every remote wireless charging unit exclusively based on unique electronic readable ID of each remote wireless charnging unit. The invention also discloses a remote wireless charging unit in system and a method for providing charging service for battery-powered equipment.
Description
Technical field
The present invention relates to wireless charging system field, relate more specifically to the Remote Non-touch wireless charging of mobile battery powered electronic device.
Background technology
Along with battery supply set in world market, particularly, such as number growing of being intended to move as its holder the smart phone of middle continuous service and the equipment of panel computer, the interest of wireless charging is also grown simultaneously.In the context of this document, term " continuous service " meaning is not interrupt ideally, can also be illustrated in the interruption being associated with any equipment keep-process that cannot carry out during moving.
In the prior art of this specification, do not consider contact wireless charging, because it does not allow the holder of mobile device freely to continue the use of this equipment in movement.For a system, relevant needs are to allow the user of mobile electronic device in the situation that not having mobility to interrupt (conventionally with to its battery charging being associated), to use this equipment.
US201224905 seeks a kind of user-friendly wireless charging method for portable terminal device, and proposes a kind of for making user to carry out the method to portable terminal device wireless charging with unknown theretofore Discussing Convenience.Some complexity are associated with the system of being advised by US201224905, and it includes but not limited to by the demand of the special circuit in the equipment being recharged and for charging system with by the needs of the two-way communication between the equipment being recharged.Although can save operating cost and provide some special option for wireless charging ISP by some demands of described system of advising in open and equipment, but they have stoped the use of system service on the portable terminal device that does not for example comprise the special circuit for communicating by letter with charging system, and increased the system cost that required electronic component comprises is provided, so increased the cost for terminal use's wireless charging service.In addition, also unclear in described US201224905, according to terminal use, do not having mobility to interrupt using in (being conventionally associated with the charging to its battery) situation the ability of equipment, the Discussing Convenience of the unknown theretofore that the wireless charging system by advised is provided.Understand that the mobility degree of portable terminal device is transmitted the function of the coverage of RF energy by charging system during wireless charging, yet, until be understandable that the increase broadcast energy except having been advised by US201224905 do not have alternate manner to increase charging scope (or efficiency).
Therefore in object of the present invention, a kind of system and method for wireless charging is provided, it can provide long distance wireless charging service to portable terminal device, and no matter whether they can be to wireless charging system return informations, and it will allow mancarried electronic aid user at least at the convenience of indoor lasting equipment operating, and not have conventionally and the mobility interruption of charging for device battery and being associated.
Summary of the invention
In the first broad aspect, the present invention relates to a kind of system for wireless charging, it comprises at least one electric power transfer unit and a plurality of long distance wireless charhing unit, wherein electric power transfer unit is configured to the control data of carrying for broadcasting RF signal and described RF signal, wherein each wireless charging unit comprises that (i) is for the receiver of described RF signal, (ii) separator being associated with described receiver, for fetching the control data that described RF signal carries, (iii) controlling exercisable charge switch under Data Control, (iv) unique electronically readable ID or for from the battery supply set being recharged being fetched to the device of unique electronically readable ID, for opening respectively or closing switch when controlling when data are so indicated with reference to described unique ID, (iv) for rectified RF signal and be converted into the electric power converter being suitable for for the DC voltage of battery supply set charging, (v) out connector or there is the cable of the out connector mating with the connector of battery supply set, be used for providing DC to battery supply set, and wherein under the control of described control data, by described charge switch, supply described DC voltage, the unique electronically readable ID of the operator who therefore allows system based on each long distance wireless charhing unit and by the opening and closing uniquely of the output voltage of each long distance wireless charhing unit.
In the context of the present invention, term " ID " relates to the digital code as cognizance code.Rely on this code, between system and user, be associated and with user wireless charging unit separately between be associated; And rely on this code, wireless charging unit can optionally respond the instruction (this depends on whether the ID being associated with wireless charging unit is included in instruction) comprising in control data.According to the present invention, " ID " can be the integral part (user is immutable) of wireless charging unit, or can be from fetching with the battery supply set that wireless charging unit is connected by electric wire (so and its can by user, be changed according to being connected to the battery supply set of unit).
Preferably, in advance the RF signal receiver of long distance wireless charhing unit is carried out to the tuning preset frequency place at RF signal and produce resonance.In a preferred embodiment of the invention, the electric power converter comprising in long-range charhing unit comprises and the cooperative rectifier of voltage recombiner, for the electronic building brick of common autoexcitation wireless charging unit and regulate the DC of long-range charhing unit to be output as the required charging voltage of battery-powered equipment.
According to a preferred embodiment of the invention, charge switch is connected between the DC output and the output of charge power supply of charhing unit.Preferably, charge switch is associated with the public ID about its unique ID.Therefore allow system operator or by broadcasting public ID, make to export the charging voltage of all long-range charhing units, or by broadcasting its unique ID, make to export the charging voltage of particular remote charhing unit.Between one or more ID codes and according to the association between each specific charge switch of the present invention, can be local, provide in this case charge switch as (wireless charging unit) subelement, it comprises (i) switch and (ii) is configured to open in response to controlling at least one the predetermined ID code comprising in data or the circuit of closing switch.Between one or more ID codes and charge switch between association can be long-range, charge switch does not comprise ID code in this case, but control by decoder subelement, this decoder subelement (i) for good and all store intrinsic ID code or (ii) be configured to by ID code from (ii) (a) store its another subelement of wireless charging unit or from (ii) (b) by the battery supply set being recharged (preferably by the wireless connections of setting up via connector, DC by from this connector supply to battery power supply unit) fetch, wherein decoder subelement be suitable for according to control between the predetermined ID code comprising in data and described in comprise or the ID code fetched between the identification of coupling make charge switch opening and closing.
In the context of the present invention, term " decoder " relates to can decoded digital code, between digital code, compare, and determine by the similitude state based between two codes that compared any device that the state of at least one mark responds, wherein in two codes fetches and another is the ID associated with the charhing unit of trustship decoder from RF signal.Therefore the state of mark can be for opening or charge closing switch.
According to some embodiment of the present invention, that controls ID in data stipulates it self is the instruction of current status of the hosted corresponding charge switch of the charhing unit that is associated with identical ID of reversing.In such embodiments, according to the current performance of ID in control data, be very or occasionally open or charge closing switch.
In a preferred embodiment of the invention, controlling data comprises and in control data, occurs the specific instruction that ID is associated.For example, each ID can transmit jointly with the added bit of information, the instruction that this information forms with ID is associated separately.
So the present invention allows the supplier of wireless charging service, by providing long-range charhing unit to each of a plurality of charging service users, the holder to battery supply set provides long distance wireless charging service simply, and no matter whether user's battery supply set comprises embedded radio charging receiver.
ISP subsequently can be based on its user subscription clause and open or close each long-range charhing unit.For according to its unique ID and the information of the long-range charhing unit of switch from being communicated by letter to electric power transfer unit by the operated computer applied algorithm of long-range charging service supplier, it transmits the entrained command adapted thereto of RF signal successively to long-range charhing unit.
In various embodiment of the present invention, long-range charhing unit comprises microprocessor, it is communicated by letter by connector with by the electronic component of the battery supply set being recharged, and by this connector battery supply set, is connected to charhing unit for receiving DC for charging.The information that is used for the charge switch of the long-range charhing unit of opening and closing can comprise and the cognizance code that the battery supply set being recharged is associated, the telephone number being for example associated with cellular communication device.The battery supply set connecting according to it is this condition of cellular communication device being associated with particular phone number, and therefore long-range charhing unit can receive instruction by the entrained information of RF signal and open charging.
So be appreciated that long-range charging service supplier can determine the particular device of enabling charging service, and do not need these equipment with the main computer communication with control charging system and do not need to be absorbed in resource to communicate by letter to process to import into.
In some embodiments of the invention, the charge switch of long distance wireless charhing unit is closed conventionally, and only in the overlay area that is arranged in electric power transfer unit, and just open when receiving by the entrained command adapted thereto of RF signal, described instruction relates to its unique ID, or relates to the public ID associated with a plurality of long distance wireless charhing units of system.
The invention still further relates to a kind of long distance wireless charhing unit, comprise (i) RF signal receiver, (ii) separator being associated with receiver, for fetching the control data that described RF signal carries, (iii) that be associated with unique electronically readable ID and controlling exercisable charge switch under Data Control, (iv) for rectified RF signal and be converted into the electric power converter being suitable for for the DC voltage of battery supply set charging, (v) out connector or have the cable of the out connector mating with the connector of battery supply set, for to battery supply set supply DC; Wherein under the control of described control data, by described charge switch, supply described DC.
In the second broad aspect, the present invention relates to a kind of system of the charging of the long distance wireless for battery supply set, this system comprises the network of a plurality of electric power transfer unit of arranging with predetermined array, each is configured to broadcast RF signal and the entrained control data of described RF signal, the digital command that wherein all electric power transfer unit for example, receive from central control unit (providing operated computer application by long-range charging service) at identical predetermined RF broadcast and all transmission units based on network consisting is simultaneously changed control data constantly, therefore the wide area for long distance wireless charging service covers.Area coverage is therefore unrestricted and depend on the number of electric power transfer unit in network potentially, and does not need to increase the broadcast energy of each unit.Accordingly, a plurality of electric power transfer unit with similar designs and output power can be used the predetermined gap between it to arrange with array way, be used in certain coverage, for example exhibition, fairground, cafe or simple private residence, be independent of its size and long distance wireless charging service be provided.The unique ID comprising in the long distance wireless charhing unit of being held by each user based on (i) and (ii) (the ID of battery supply set by the retrievable embodiment of wired connection between battery supply set and wireless charging unit in) in unique ID of battery supply set based on being connected with wireless charging unit one, and the service contract based between user and charging service supplier, service can optionally jointly provide or only to specific user, provide to all users.Although there is no information returns to the battery supply set from being recharged to controlling application, but according to more above-mentioned embodiment, ISP still can limit the access of service, it for example, by needing battery supply set (to examine its identity via the direct wire communication of long-range charhing unit be connected, telephone number, password etc.), as for opening the condition of charge switch.Described wire communication can be set up by identical connector or cable, and charging current is supplied to battery supply set from wireless charging unit by this cable.
In the 3rd broad aspect, the present invention relates to a kind ofly provides the method for charging service for battery supply set, the method comprises that (i) is by keeping at least one electric power transfer unit that the coverage for service is provided, this electric power transfer unit is configured to broadcast the control data that RF signal and described RF signal carry, (ii) to a plurality of service-users, provide corresponding a plurality of wireless chargings unit, described wireless charging unit is configured to receive RF signal, the control data that separated RF signal carries, and paired domination number makes according to carrying out selectivity the energy receiving from RF signal for switch, (iii) based on included in wireless charging unit or from according to the subscription clause of reaching between ISP and user by the unique ID fetching connected battery supply set, and carry out association between each user and the wireless charging unit that provides to him or she, (iv) according to the corresponding subscription clause of reaching between ISP and each user, regulate and control data so that each wireless charging unit of opening and closing, thereby when wireless charging unit is positioned at coverage and subscription clause permission, allow by the wired connection between each equipment and respective wireless charhing unit from a plurality of battery supply sets of wireless charging in the entrained energy of RF signal.
Accompanying drawing explanation
The present invention will further be illustrated by the following figures, and described accompanying drawing is only intended to be convenient to understanding of the present invention and is never intended to limit its protection range:
Fig. 1 illustrates the block diagram according to electric power transfer unit of the present invention.
Fig. 2 illustrates the block diagram according to wireless charging of the present invention unit.
Fig. 3 illustrates the block diagram according to the network of the electric power transfer unit of wireless charging system of the present invention.
Fig. 4 illustrates the block diagram according to another embodiment of wireless charging of the present invention unit.
Embodiment
Fig. 1 illustrates the block diagram according to electric power transfer unit of the present invention (1).Electric power transfer unit (1) is by conventional family expenses AC power supplies (220V/110V, 50-60Hz) excitation, and comprise electric power converter (2), this electric power converter is used for being provided for the self-powered DC voltage of the electronic component of electric power transfer unit (3), this electric power transfer unit (3) comprises RF generator and modulator, this RF generator (for example, utilize conventional RF Rx/Tx module) produce and broadcast RF signal, and this modulator adopts and enables/forbid the required information of long-range charhing unit and carry out modulated rf signal, wherein each long-range charhing unit is enabled/is forbidden according to its unique ID (it is battery supply set retrieval intrinsic or that connect from it).By RF transmit antenna (4), broadcast RF signal.
Fig. 2 illustrates the block diagram according to long distance wireless charhing unit of the present invention (10), comprise the antenna (12) being connected with separator (11) with RF receiver, it is for receiving RF signal, and for separating of the information entrained with fetching RF signal, for determining whether information comprises the instruction being associated with unique ID of current long distance wireless charhing unit, and for enabling/forbid the charging of the battery supply set (30) (himself does not form a part of the present invention) being connected with described charhing unit (10); And for RF signal being transferred to filter and the wave converter (12) of electric power converter and charger (13), by its RF signal be rectified, compound and by cable and/or connector separately and supply to battery supply set.
Fig. 3 illustrates the block diagram according to the network (5) of the power supply transmission unit (1) that comprises a plurality of wireless charging systems of the present invention.This network (5) is by computer user management system (6) management, and it transmits the charging ID being allowed to (wireless or wired) to a plurality of electric power transfer unit (1).Their RF for example, (to comprise a plurality of long-range charhing units in electric power transfer unit modulation, (10) of Fig. 2 and (10) of Fig. 4) instruction separately, it opens or closes the charging current of the battery supply set that is connected to each long-range charhing unit successively according to described instruction separately.A plurality of electric power transfer unit (1) connect with array way, and this array comprises the unit (1) of any amount, the presumptive area that this unit needs covering system service to cover.Gap between adjacent cells (1) is structure and the landform in design object and the electric power that depends on each electric power transfer unit (1) and the region that will cover.
Fig. 4 diagram is according to the block diagram of another embodiment of wireless charging of the present invention unit (20).Charhing unit (20) comprises antenna, RF receiver and separator (21), it is for receiving RF signal, and for separating of the information entrained with fetching RF signal, for determining whether information comprises the instruction being associated with unique ID of current long distance wireless charhing unit.The ID (42) of the battery supply set (40) based on being connected with charhing unit (20) determines the ID of charhing unit (20) in this embodiment.Battery supply set can be cellular communication device, and to charhing unit (20), carries out its connection by its normal charge socket, and this charging socket also can be for fetching ID (42) by wire communication.For example, by subelement (24) ID of decoder retrieval battery supply set, this subelement (24) (i) comprise ID code or (ii) be configured to from or (ii) another subelement of (a) wireless charging unit (comprising the embodiment of intrinsic ID at charhing unit (20)) or from (ii) (b) battery supply set (40) (preferably by the wired connection of setting up via connector, by this connector, to battery supply set, supply DC) in fetch ID code, wherein this subelement (24) be suitable for according to control in data, comprise and from receiver and separator (21), receive predetermined ID code subelement (24) and described comprise or the identification of the coupling between ID code of fetching makes the unlatching of charge switch (25) or closes.In the present embodiment, charge switch (25) is positioned between power converter and the charging output port of charger (23) and charhing unit (20) electronically.Yet, should be noted that in alternative and as design object any convenience point of charge switch can being positioned at from RF receiver and separator (21) to the energy path the battery that will charge.For example, in the described embodiment of Fig. 2, because it has formed a part for filter and waver (12), so charge switch not shown.ID in the embodiment of Fig. 2, or charhing unit (10) is intrinsic, and be stored in unit (11) or unit (12).
Claims (6)
1. the system for wireless charging, comprise at least one electric power transfer unit and a plurality of long distance wireless charhing unit, wherein said electric power transfer unit is configured to the control data of carrying for broadcasting RF signal and described RF signal, wherein described in each, wireless charging unit comprises that (i) is for the receiver of described RF signal, (ii) separator being associated with described receiver, for fetching the described control data of being carried by described RF signal, (iii) exercisable charge switch under the control of described control data, (iv) unique electronically readable ID or for from the battery supply set being recharged being fetched to the device of unique electronically readable ID, for open respectively or close described switch when described control data are so indicated with reference to described unique ID, (v) for RF signal described in rectification and be converted into the electric power converter being suitable for for the DC voltage of battery supply set charging, (vi) out connector or there is the cable of the out connector mating with the connector of battery supply set, for supplying described DC to described battery supply set, and the described supply of wherein carrying out described DC voltage under the control of described control data by described charge switch, the unique electronically readable ID of the operator who therefore allows described system based on each long distance wireless charhing unit and by the described output voltage opening and closing uniquely of each long distance wireless charhing unit.
2. the system of the wireless charging for battery supply set according to claim 1, wherein a plurality of described electric power transfer unit are arranged with predetermined array, the digital command that wherein all described electric power transfer unit receive from central control unit with described identical predetermined RF broadcast and all described transmission unit based on by forming described network is simultaneously revised described control data constantly, thereby is provided for the wide area covering of long distance wireless charging service.
3. the system of the wireless charging for battery supply set according to claim 1, wherein said unique electronically readable ID be included in by the battery supply set being recharged and wherein said system configuration for fetching described ID by the wired connection between described battery supply set and described wireless charging unit from described battery supply set.
4. one kind according to the long distance wireless charhing unit using in the system of claim 1, comprise (i) RF signal receiver, (ii) separator being associated with described receiver, for fetching the control data of being carried by described RF signal, (iii) exercisable charge switch under the control of described control data, (iv) unique electronically readable ID or for from the battery supply set being recharged being fetched to the device of unique electronically readable ID, for open respectively or close described switch when described control data are so indicated with reference to described unique ID, (v) for RF signal described in rectification and be converted into the electric power converter being suitable for for the DC voltage of battery supply set charging, (vi) out connector or there is the cable of the out connector mating with the connector of battery supply set, for supplying described DC to described battery supply set, wherein under the control of described control data, by described charge switch, carry out the described supply of described DC voltage.
5. long distance wireless charhing unit according to claim 4, wherein said unique electronically readable ID be included in by the described battery supply set being recharged and wherein said wireless charging cell location for fetching described ID by the wired connection between described battery supply set and described wireless charging unit from described battery supply set.
6. one kind provides the method for charging service for battery supply set, described method comprises that (i) is by keeping at least one electric power transfer unit that the coverage for described service is provided, described electric power transfer unit is configured to broadcast the control data that RF signal and described RF signal carry, (ii) to a plurality of service-users, provide corresponding a plurality of wireless chargings unit, described wireless charging cell location is for receiving described RF signal, the described control data that separated described RF signal carries, and described control data are carried out to selectivity make the energy receiving from described RF signal for switch, (iii) based on included in wireless charging unit or from according to the subscription clause of reaching between described ISP and described user by retrievable unique ID connected battery supply set, and carry out association between each user and the wireless charging unit that provides to him or she, (iv) according to described ISP and the corresponding subscription clause reached between user described in each, regulate described control data so that opening and closing wireless charging unit described in each, thereby when described wireless charging unit is positioned at described coverage and the permission of described subscription clause, permission by the wired connection between each battery supply set and respective wireless charhing unit from wirelessly a plurality of battery supply sets being charged in the entrained energy of described RF signal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261723323P | 2012-07-11 | 2012-07-11 | |
| US61/723,323 | 2012-07-11 |
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| CN103545858A true CN103545858A (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310087324.9A Pending CN103545858A (en) | 2012-07-11 | 2013-03-08 | Remote wireless charging of battery-powered equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104753131A (en) * | 2015-02-16 | 2015-07-01 | 郑州携能通信技术有限公司 | Wireless charging method and system |
| WO2017208231A1 (en) * | 2016-06-02 | 2017-12-07 | W.P. Energy (S.B.) Ltd. | Multiband energy harvesting |
| CN108253862A (en) * | 2016-12-29 | 2018-07-06 | 株式会社三丰 | For portable and hand-held measuring equipment without battery data sending module attachment |
| CN114731354A (en) * | 2020-04-17 | 2022-07-08 | 思科技术公司 | Telephone on-off switching based on wireless charging protocol |
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| CN102318215A (en) * | 2009-02-13 | 2012-01-11 | 高通股份有限公司 | The antenna of wireless power supply is shared |
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| US20100034238A1 (en) * | 2008-08-05 | 2010-02-11 | Broadcom Corporation | Spread spectrum wireless resonant power delivery |
| US20100181964A1 (en) * | 2009-01-22 | 2010-07-22 | Mark Huggins | Wireless power distribution system and method for power tools |
| CN102318215A (en) * | 2009-02-13 | 2012-01-11 | 高通股份有限公司 | The antenna of wireless power supply is shared |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104753131A (en) * | 2015-02-16 | 2015-07-01 | 郑州携能通信技术有限公司 | Wireless charging method and system |
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| WO2017208231A1 (en) * | 2016-06-02 | 2017-12-07 | W.P. Energy (S.B.) Ltd. | Multiband energy harvesting |
| US10700557B2 (en) | 2016-06-02 | 2020-06-30 | W.P. Energy (S.B. ) Ltd. | Multiband energy harvesting |
| CN108253862A (en) * | 2016-12-29 | 2018-07-06 | 株式会社三丰 | For portable and hand-held measuring equipment without battery data sending module attachment |
| CN108253862B (en) * | 2016-12-29 | 2020-03-10 | 株式会社三丰 | Battery-less data transfer module attachment for portable and handheld metering devices |
| CN114731354A (en) * | 2020-04-17 | 2022-07-08 | 思科技术公司 | Telephone on-off switching based on wireless charging protocol |
| CN114731354B (en) * | 2020-04-17 | 2024-03-15 | 思科技术公司 | Telephone off-hook and on-hook switching based on wireless charging protocol |
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Application publication date: 20140129 |