CN110518704A - A kind of authentication type wireless power transmission method - Google Patents
A kind of authentication type wireless power transmission method Download PDFInfo
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- CN110518704A CN110518704A CN201910666235.7A CN201910666235A CN110518704A CN 110518704 A CN110518704 A CN 110518704A CN 201910666235 A CN201910666235 A CN 201910666235A CN 110518704 A CN110518704 A CN 110518704A
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- power transmission
- wireless power
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- frame
- electricity
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of authentication type wireless power transmission method, is constituted the present invention relates to wireless power transmission technology, system and service agreement exchanges three aspects, support interdepends each other, is the core for constituting present system；The present invention has while not reducing wireless wireless power transmission ability and efficiency to power receiving equipment authorization selective power, can effectively prevent unauthorized device and obtain wireless power transmission service.Therefore, electric energy needed for running of mobile terminal can obtain at any time effective supplement by distributed wireless charging system with authorization, fundamentally solve mobile terminal and provide the limited predicament of battery continuation of the journey for oneself.The present invention is suitable for existing induction type, magnetic resonance type and radio waves type wireless power transmission mode, while being suitable for other possible in such a way that alternating field or wave carry out non-contact wireless power transmission to reception terminal.The present invention is the wireless power transmission carried out in a manner of wireless communication, and the receiving device being suitable for the invention is including but not limited to mobile communication terminal or internet-of-things terminal.
Description
Technical field
The present invention relates to a kind of electric power distributions, and in particular to a kind of authentication type wireless power transmission method.
Background technique
With the development of hyundai electronics information technology, wireless mobile communications are in people's daily life and each neck of national economy
The application in domain becomes increasingly popular.However, what mobile radio terminal was constantly enhanced and was extended in function, performance and application field
Meanwhile generally existing internal battery cruising ability deficiency problem has become the critical defect for influencing user experience.
It can be seen that mobile communication and wireless internet of things have become and maintain in the informationized society that the modern times rapidly develop
Social production and the indispensable important component of people's lives.Unfortunately, since mobile terminal internal battery capacity has
Limit, user is the normal use for maintaining mobile communication terminal, it has to often pay close attention to remaining capacity and be in time mobile communication end
End charging, even avoids the occurrence of the accident that can not obtain electric power supplement in time, it has to additionally purchase and carry bulky shifting
Dynamic electric power storage charging unit.
It is limited to current batteries to store energy density current situation, between bigger built-in battery capacity and mobile terminal miniaturization
Contradiction, which became in the short time, is difficult to the obstacle broken through.Moreover, the configuration of large capacity high energy storage density battery, and have to
Frequent charging operations are carried out for mobile terminal, can also bring cannot be neglected security risk.And at the same time, rapid development
Wearable mobile terminal because volume and weight limitation, until the awkward situation for keeping its internal battery cruising ability narrow is more prominent, from
And seriously destroy user experience.Although mobile terminal manufacturer and battery manufacturers low-power chip, power-saving running management,
Low power consumption display, high density battery etc. have paid lasting and unremitting effort, still cannot fundamentally change movement
Terminal continuation of the journey problem brings the persistent concern of user.Moreover, the development progress according to current battery technology is being contemplated that
Significant period of time in, the battery capacity of unit volume and weight is difficult to realize always desired by intelligent mobile terminal user
Essence breakthrough.Mobile communication is increasingly relied on and the Modern Information society of depth integration in social production and daily life
Meeting, mobile communication terminal usually because the communication disruption caused by power drain is worked normally to people and life bring it is significant tired
It disturbs, or even can therefore lead to irremediable life and property loss in some cases.
In the limited situation of battery durable, realize that wireless mode is lasting, effective, reliable, whole for mobile communication in time
End and internet-of-things terminal provide electric energy or electric energy supplement, cannot be neglected for pushing the development of mobile communication technology application to have
Attraction and important application prospect.
Early in 1890, Ni Gula tesla attempted to be tested it is proposed that a kind of wireless power transmission systems concept
Verifying.But for various reasons, the imagination of tesla is finally submerged among historical floods gradually.Certainly, tesla is wireless
It is power transmission involved in transmission of electricity rather than current mobile terminal wireless power transmission.Wireless power transmission relative to tesla
System, current people focus mainly on the wireless power transmission technical field to terminal device, these application terminals include but is not limited to:
Long stagnant empty aircraft, motor vehicles, remote control platform, civil electric appliance, mobile communication terminal, internet-of-things terminal, wearable movement are set
Standby, implantable medical devices and detection instrument etc..Wherein, mobile communication terminal wireless power transmission has more relative to other systems
Market potential outstanding and more urgent application demand.
Relative to electromagnetic wireless charging modes, in the power consumption capacity in view of current high-end intelligent mobile communication terminal and just
In the case of taking miniaturization, photovoltaic charged and spatial dispersion electromagnetic radiation charging technique can be obtained electric power and be not possible to needed for satisfaction
Capacity level.
Currently, wireless charging can be divided into according to used technical principle: electromagnetic induction, magnetic resonance and radio wave
Three kinds of technical solutions, as shown in Figure 1.So far, occurred being applicable in different technologies and applied location technology standard, mainstream
Wireless charging standard includes: five kinds of Qi standard, PMA standard, A4WP standard, iNPOFi standard and Wi-Po standard etc..Relative to
The long-range high-power wireless transmission of electricity that tesla is proposed is short distance mode first in the currently practical technology for obtaining application.Closely
Nian Lai, people start to pay close attention to middle apart from wireless charging mode, this is particularly significant for the lift-off of wireless power transmission convenience
, while also advantage is provided to form wireless charging service market.With the hair of mobile communication and Internet of Things 4G and 5G
Being continuously increased for exhibition, especially number of users, has reached sizable rule in intensive service area base station and indoor distribution quantity
Mould, this makes it possible wireless power transmission base station and the co-located operation of mobile communication and Internet of Things base station, this is for effectively reducing system
Infrastructure investment is highly beneficial.
The above various charging modes or standard all have the characteristics that respective, application field, technical maturity and market rule
Mould.Obviously, all above technologies and product, which do not have, directly selects function to power receiving equipment, that is to say, that can not prevent not
Authorized user obtains wireless charging service.It, will be direct if not combination technology scheme designs effective workaround in system level
The popularization and application of wireless power transmission technology are hindered, that is, can not fundamentally reverse the continuous of mobile communication terminal in foreseeable future
Navigate bottleneck.
In recent years, occur paying and wired charging and lease the method for service of mobile electric power storage charging unit, but it is to it
The improvement of problem and the promotion of convenience are extremely limited.
Obviously, establishing widely distributed wireless power transmission covering is the effective way for dissolving power source of mobile communication terminal continuation of the journey problem
Through.However, because the prior art can not exclude to non-authorization user from obtaining wireless charging service and can not evade status, Wu Fayou
Effect ensures the economic interests of service provider, so that this application market be made to be difficult to be formed.Therefore, it is necessary to which comprehensive wireless is transmitted electricity
Technical solution, network protocol and wireless power transmission technical parameter etc., systems organization wireless power transmission service system are being realized to movement
While equipment realizes higher wireless power transmission efficiency, and it can effectively prevent or limit unauthorized user substantially to wireless power transmission service
Use.
Mobile communication terminal authorization wireless charging system basic demand
The performance having needed for wireless power transmission systems and function can will be authorized to be summarized as follows:
(1) the existing wireless transmission of electricity that can be utmostly compatible with including electromagnetic induction, magnetic resonance and radio wave
Technology；
(2) system has reasonable wireless power transmission efficiency；
(3) system has by electric terminals selective power, i.e., the only available normal wireless of payment or contract authorized user is defeated
Electricity service, unauthorized user can not obtain normal wireless Transmission Service；
(4) equal using existing and foreseeable technology if not being authorized and to receive system compatible with wireless power transmission systems
Mobile communication terminal can not be made effectively to obtain wireless power transmission electric energy；
(5) to obtain the equipment researched and developed of this system electric energy in an unauthorized situation in terms of volume, complexity and cost
Reach unacceptable level；
(6) wireless power transmission transmitting terminal and the fully compliant existing communication link of data exchange required between by electric terminals；
(7) it is simple to have high-efficient, small in size and structure for mobile communication terminal transmission of electricity reception circuit corresponding with system
Performance and feature；
(8) wireless power transmission transmitting terminal has the emission effciencies controlling mechanisms such as load feedback and power control；
(9) system has transmission of electricity state and the real-time monitoring by electric terminals acquisition energy state in wireless power transmission coverage area
Function；
(10) system has the processing strategie for the various abnormalities being likely to occur in reply operation.
Summary of the invention
In view of the deficiencies of the prior art, the present invention proposes a kind of authentication type wireless power transmission methods.
A kind of authentication type wireless power transmission method of the present invention, this method specifically includes the following steps:
Step 1: wireless power transmission transmitting is transmitted electricity in groups using multiple a-c cycles adjacent to one another；Described is adjacent to one another
A-c cycle relative frequency difference less than 1%；
Step 2: wireless power transmission is by certain time length a-c cycle configuration frame in groups, to repeat or repeating frame is not sent out in order
AC energy is sent, every frame includes frame starting and transmission of electricity load, and there are frame gaps for interframe；When frame starting is for receiver calibration keying
Prolong, multiple phase-shift keying (PSK)s are equipped in frame payload, all a-c cycle wave modes or in which some exchange frequency are given at keying point
The keying phase of rate wave mode；Plurality of a-c cycle relative frequency difference is less than 1%, and close to reverse phase at keying point；Described
Close to reversely i.e. potential difference is φ, 5/6 π < φ <, 7/6 π；
Step 3: wireless power transmission transmitting terminal is sent out before emitting waves AC group, through wirelessly or non-wirelessly network to authorized user
Send the institution key comprising frame keying parameter；Wherein keying parameter include: a-c cycle, frame starting and frame duration, keying point and
Each frequency plot at keying point；
Step 4: wireless power transmission transmitting terminal emits waves AC group and repeats by frame and keying parameter, or joins by sequence frame keying
Number sequence is sent；
Step 5: mobile communication end or other links are awarded using payment or protocol mode acquisition wireless charging duration or electricity
Power, and issued and requested to wireless power transmission transmitting terminal by wirelessly or non-wirelessly network, transmitter is returned in the form of key after validation
Terminal transmission ac transmission wave is received similar to the institution key comprising frame keying parameter of communication mask, and to mobile；This is close
Key is by wireless power transmission transmitting terminal according to strategy generating；The total electricity conveyed is combined and is carried out with transmitter and receiving end metering；Transmitting
Machine receives authorized user and reaches the key for replacing this group of transmitted wave after authorization is measured, then the user can not continue to electric energy,
Simultaneously to the key still after transmitting change using the user of this group of wireless power transmission frequency, and transmit electricity by key after change, so that
It continues normal acquisition electric energy；Authorize mobile communication end or other receiving ends while receiving electric energy, it is anti-to transmitting terminal in real time
Feedback receives electrical energy measurement；When transmitter combination test point and user response determine that authorized user is wireless defeated in that cannot normally receive
When electricity condition, stop transmitting electricity to the user, and pass through wirelessly or non-wirelessly network advertisement user.
Preferably, each frequency point need to be separately configured in transmission of electricity transmitting module and antenna, the radiation of efficient multi-frequency space is realized.
Preferably, wireless power transmission transmitting terminal includes transmitter and distribution transmission of electricity monitor real-time judgment wireless power transmission response
State, and transmitter is transferred data to by wired or wireless network.
Preferably, authorization mobile communication end or other link automatic or manuals are issued to wireless power transmission transmitting terminal and are requested.
Preferably, wireless power transmission transmitting terminal should be co-located with mobile communication equipment.
Preferably, wireless power transmission transmitting terminal power supply mode includes induction type, magnetic resonance type, radio waves type, with alternation
Field or wave carry out non-contact wireless power transmission to terminal is received.
Wireless power transmission can be divided into low-power wireless transmission of electricity and high-power wireless transmission of electricity two according to the power capacity transmitted
Class.According to the present invention is the non-contact small-power technology of transmission of electricity scheme carried out in a manner of wireless communication, is suitable for this hair
Bright receiving device is including but not limited to mobile communication terminal or internet-of-things terminal.
The present invention has while not reducing wireless wireless power transmission ability and efficiency and selects energy to power receiving equipment authorization
Power can effectively prevent unauthorized device and obtain wireless power transmission service.Therefore, electric energy needed for running of mobile terminal can be with authorized party
Formula obtains effective supplement by distributed wireless charging system at any time, and fundamentally solution mobile terminal is provided battery continuation of the journey for oneself and had
The predicament of limit.
It is constituted the present invention relates to wireless power transmission technology, system and service agreement exchanges three main aspects, support is mutual each other
It mutually relies on, is the core for constituting present system.Existing or other any utilization alternating magnetic fields, alternating electromagnetic field and radio frequency electrical
The wireless charging technology of magnetic wave mechanism can be used for system of the present invention by adaptability reform.
Detailed description of the invention
Fig. 1 is three kinds of major ways of wireless charging or transmission of electricity；
Fig. 2 is that double frequency exchanges wave mode and its synthesis response；
Fig. 3 is the double frequency exchange wave mode and its synthesis response that initialisation phase keying is added；
Fig. 4 is wireless power transmission frame structure；
Fig. 5 has the double-frequency wireless ac transmission wave mode of phase-shift keying (PSK)；
Fig. 6 authorization wireless power transmission systems；
Fig. 7 multifrequency frequency phase keying exchanges transmitter；
Fig. 8 exchanges split circuit block diagram.
Specific embodiment
The technology of the present invention principle:
(1) double frequency or multifrequency phase keying realize synthesis wave amplitude control
By taking double-frequency wireless is transmitted electricity as an example, as shown in Figure 2, wherein f1And f2The respectively frequency of two waves ACs, A (f1) and A
(f2) be respectively two waves ACs waveform, A (f1)+A(f2) be composite wave waveform.If two AC wave shapes are in start time point phase
Bit Inverting, i.e. phase difference are π, then composite wave envelope amplitude will increase since 0, and composite wave peak swing is the vibration of two AC wave shapes
The conjunction of width, envelope cycle T are f1With f2The inverse of difference, maximum value are present in 0 two waveform phase differences.In f1And f2
Phase difference is located at π/6, and composite wave envelope amplitude is f1And f2The half of amplitude sum.
It can be seen that in f1And f2Phase difference is located at π to being much smaller than in the section π/6, that is, time interval is from 0 to being much smaller than
In the section T/12, the amplitude for synthesizing AC wave shape will be substantially less that f1And f2The sum of amplitude.
Therefore, it if making two waveform phases be in π always to being much smaller than in the section π/6 using phase-shift keying (PSK), can will synthesize
Wave-shape amplitude is controlled in smaller level, as shown in Figure 3 always.If not by A (f1) and A (f2) efficiently separate, directly composite wave is examined
Wave energy obtained will be extremely limited.
(2) double frequency or the selection of multifrequency a-c cycle
The present invention claims double frequency or multi-frequency radio transmission of electricity a-c cycle interval are sufficiently small, in this case, although each frequency
The space spectrum energy of rate exists, and since frequency is close enough, causes unauthorized user can not be in limited volume, technology and cost
It is lower to efficiently separate double frequency or multifrequency exchange wave mode, synthetic waveform (as shown in Figure 2) by a narrow margin can only be obtained.Simultaneously because phase shift key
The presence of control will make synthetic waveform be maintained at lower level (as shown in Figure 3) always.Therefore, if not knowing institution key, pass through
The electric energy that synthetic waveform obtains will be not enough to offset the inherent loss of reception circuit, obtain wireless power transmission electricity to can not be successfully
Energy.
Accordingly, comprehensively considering size of mobile terminals, existing and future device and technical level, the present invention claims double frequency or
Multi-frequency radio transmits electricity opposite a-c cycle relative frequency difference less than 1%.
For further increase possible unauthorized user for obtain Transmission Service technology barrier, can preset frequency in groups
It puts and utilizes frequency hopping.
The compatible existing wireless charging technology of the present invention program and other possible exchange wireless charging technologies.
(3) wireless power transmission frame emission is constituted
Wireless power transmission by scheduled duration double frequency or multifrequency waves AC component frame, to repeat or repeating frame is not sent in order
AC energy, the load that containing frame originates and transmit electricity in every frame are constituted, and there are frame gaps for interframe.Frame starting is used for receiver calibration the machine
Keying time delay, in frame payload be equipped with multiple phase-shift keying (PSK)s, given at keying point all a-c cycle wave modes or in which some
The keying phase of a-c cycle wave mode.It is characterized by, and multiple a-c cycles are close enough, and close to anti-at keying point
Phase.As shown in figure 4,1 is transmitting frame sequence, 2 be frame, and 3 originate for frame, and 4 be frame payload, and 5-1 to 5-n is keying point, and 6 are
Frame gap.
By taking reverse phase at double-frequency wireless transmission of electricity and keying point as an example, wireless communication frame emission wave mode of the present invention is as schemed
Shown in 5.Wherein, 1 is double-frequency wireless transmission of electricity wave mode, and 2 be transmission of electricity frame payload, and 3-1 to 3-n is phase-shift keying (PSK) point.
To keep system succinct, the keying point in this section selects several limited stationary phases, to be conducive to reduce transmitting-receiving
The complexity of circuitry.The use of multikey control point can increase considerably the complexity of unauthorized receiving device, make its expense effect
The unfavorable level than increasing to.
(4) system is constituted
As shown in fig. 6, user through wirelessly or non-wirelessly mode obtains authorization key and with frequency and phase provided in key
Position keyed information control user terminal obtains radio energy.Wherein, 1 and 2 be respectively that induction (or magnetic resonance) and wireless radiofrequency are defeated
Electric transmitting terminal, 3 be mobile communication terminal, and 4 be mobile communication base station, and 5 be wireless power transmission transmitting terminal and mobile communication base station data
Exchange, 6 exchange for mobile communication base station with mobile communication terminal data, and 7 be wireless power transmission monitor.
(5) transmit circuit block diagram
Undoubtedly, transmission plan is exchanged to implement double frequency or multifrequency phase keying of the invention, each frequency need to be made
With independent transmitter and antenna, and enough space lengths are needed between transmitting antenna, otherwise in circuit because of close frequencies
Effect is offseted, the effective power transmitted spectrum of each frequency point can not be obtained in space, as shown in Figure 7, in which: 1- host, for real
Now with the data exchange of system centre, including user access administration, key generate, frequency occur and phase keying；2- transmitter
Group；3- transmitting antenna or radial coil group.
(4) authorization wireless power transmission receives circuit block diagram
And need to all have sufficiently small internal resistance to all frequencies in mobile terminal, induction receiving coil or antenna, to avoid
Wave mode modification is caused in the non-linear draw received in circuit.
It is as shown in Figure 8 that authorized user obtains AC energy mode.Wherein, 1 is receiving antenna or induction coil；3(f1) and 3
(f2) it is respectively f1And f2Local phase-keyed signal hair property device；2 be AC signal separator, it is exchanged with phase-shift keying (PSK) believes
Number 3 (f of generator wave mode1) and 3 (f2)) it is reference signal, using correlation principle, the nothing that is received from induction coil or antenna
Line power transmission signal isolates respective frequencies AC signal；4(f1) and 4 (f2) it is respectively separation AC signal output.
Separation obtained exchanges 4 (f1) and 4 (f2) be then used for through respective current rectifying and wave filtering circuit to power terminal equipment or right
Battery charging.
Core of the invention content
(1) wireless power transmission systems are made of wireless power transmission transmitting terminal, mobile reception terminal and monitor, as shown in Figure 6.
(2) wireless power transmission transmitting is transmitted electricity in groups using multiple a-c cycles adjacent to one another, as shown in Figure 2.
(3) by certain time length, a-c cycle configuration frame, every frame include frame starting and transmission of electricity load two to wireless power transmission in groups
Major part, as shown in 2 in Fig. 4.
(4) multiple phase keying points are given to guarantee that phase is in close always between each frequency in frame in frame transmission of electricity load
Rp state, as shown in Fig. 3,5.
(5) keying point basis for selecting exchange wave mode between phase difference be in 0~be less than the section π/6 in setting, such as Fig. 2,3 institutes
Show.
(6) wireless power transmission transmitting terminal transmitting waves AC group is repeated by frame and keying parameter, or suitable by sequence frame keying parameter
Sequence is sent, as shown in 1 in Fig. 4.
(6) wireless power transmission transmitting terminal is sent to authorized user by wirelessly or non-wirelessly network and is wrapped before emitting waves AC group
The institution key of the parameter of keying containing frame.Keying parameter specifically includes that a-c cycle, frame starting and frame duration, keying point and keying
Each frequency plot at point.
(7) authorized user, which obtains key via mobile communication or other links and controls and receives circuit accordingly, realizes that electric energy obtains
It takes, as shown in 6 in Fig. 8.
(8) to realize the radiation of efficient multi-frequency space, each frequency point need to be separately configured in transmission of electricity transmitting module and antenna, and day
Line or coil need to have sufficient space interval, as shown in Figure 7.
(9) mobile communication terminal obtains wireless charging duration or electricity authorization using payment or protocol mode, and passes through nothing
Line or cable network are issued to wireless power transmission transmitting equipment requests, and transmitting terminal is returned in the form of key be similar to communication after validation
Mask emits ac transmission wave comprising the frame information including frequency and keyed information, and to mobile receiving end.The key is by nothing
Line transmits electricity transmitting terminal according to strategy generating.
(10) total electricity conveyed is combined and is carried out with transmitting terminal estimation and receiving end metering.Transmitting terminal receives authorization and uses
The key of this group of transmitted wave is replaced after reaching authorization metering in family, then the user can not continue to electric energy, while to still using
The user of this group of wireless power transmission frequency transmits the key after change, and transmits electricity by key after change, to continue to normally obtain
Electric energy.
(11) wireless power transmission systems transmitting terminal includes transmitter (1,2 in Fig. 6) and distribution transmission of electricity monitor (in Fig. 6
7), monitor reception circuit is similar to mobile subscriber's reception circuit, monitor real-time judgment wireless power transmission responsive state, and passes through
Wired or wireless network transfers data to transmitter.
(12) authorization mobile terminal user is while receiving electric energy, in real time to transmitting equipment feedback reception electrical energy measurement.
When emit equipment combination test point and user response determine authorized user in cannot normally receive wireless power transmission state when, and press
(10) strategy stops transmitting electricity to the user, and passes through wirelessly or non-wirelessly network advertisement user.Authorized user can be certainly according to needs
Dynamic or manual issue again to wireless power transmission transmitting equipment is requested.
(13) to the wireless power transmission of duration authorized user, stop when total effectively transmission of electricity reaches authorization duration according to (10) strategy
Only to the wireless power transmission service of the user.
(14) wireless power transmission transmitting equipment should be co-located with mobile communication equipment, advantageously reduces power supply facility and place
The utilization rate of occupancy.
(15) present invention is suitable for existing induction type, magnetic resonance type and radio waves type wireless power transmission mode, is applicable in simultaneously
In other possible in such a way that alternating field or wave carry out non-contact wireless power transmission to reception terminal.It is according to the present invention be with
The wireless power transmission that wireless communication mode is carried out, the receiving device being suitable for the invention is including but not limited to mobile communication terminal
Or internet-of-things terminal.
Claims (6)
1. a kind of authentication type wireless power transmission method, which is characterized in that this method specifically includes the following steps:
Step 1: wireless power transmission transmitting is transmitted electricity in groups using multiple a-c cycles adjacent to one another；The friendship adjacent to one another
Frequency relative frequency difference is flowed less than 1%；
Step 2: wireless power transmission is by certain time length a-c cycle configuration frame in groups, to repeat or repeating frame does not send friendship in order
Galvanic electricity energy, every frame include frame starting and transmission of electricity load, and there are frame gaps for interframe；Frame starting is used for receiver calibration keying time delay,
It is equipped with multiple phase-shift keying (PSK)s in frame payload, all a-c cycle wave modes or in which some a-c cycle wave are given at keying point
The keying phase of type；Plurality of a-c cycle relative frequency difference is less than 1%, and close to reverse phase at keying point；Described is close
Reversely i.e. potential difference is φ, 5/6 π < φ <, 7/6 π；
Step 3: wireless power transmission transmitting terminal is sent to authorized user by wirelessly or non-wirelessly network and is wrapped before emitting waves AC group
The institution key of the parameter of keying containing frame；Wherein keying parameter includes: a-c cycle, frame starting and frame duration, keying point and keying
Each frequency plot at point；
Step 4: wireless power transmission transmitting terminal emits waves AC group and repeats by frame and keying parameter, or suitable by sequence frame keying parameter
Sequence is sent；
Step 5: mobile communication end or other links use payment or protocol mode to obtain wireless charging duration or electricity authorization,
And issued and requested to wireless power transmission transmitting terminal by wirelessly or non-wirelessly network, transmitter is returned in the form of key similar after validation
Terminal transmission ac transmission wave is received in the institution key comprising frame keying parameter of communication mask, and to mobile；The key by
Wireless power transmission transmitting terminal is according to strategy generating；The total electricity conveyed is combined and is carried out with transmitter and receiving end metering；Transmitter connects
It receives authorized user and reaches the key for replacing this group of transmitted wave after authorization is measured, then the user can not continue to electric energy, simultaneously
Transmit electricity to the key still after transmitting change using the user of this group of wireless power transmission frequency, and by key after change so that its after
Continuous normal acquisition electric energy；It authorizes mobile communication end or other receiving ends while receiving electric energy, is connect in real time to transmitting terminal feedback
Receive electrical energy measurement；Wireless power transmission shape cannot be normally received when transmitter combination test point and user response determine that authorized user is in
When state, stop transmitting electricity to the user, and pass through wirelessly or non-wirelessly network advertisement user.
2. a kind of authentication type wireless power transmission method according to claim 1, it is characterised in that: transmission of electricity transmitting module and antenna
Each frequency point need to be separately configured, realize the radiation of efficient multi-frequency space.
3. a kind of authentication type wireless power transmission method according to claim 1, it is characterised in that: wireless power transmission transmitting terminal includes
Transmitter and distribution transmission of electricity monitor real-time judgment wireless power transmission responsive state, and pass through wired or wireless network for data transmission
To transmitter.
4. a kind of authentication type wireless power transmission method according to claim 1, it is characterised in that: authorization mobile communication end or its
Its link automatic or manual is issued to wireless power transmission transmitting terminal and is requested.
5. a kind of authentication type wireless power transmission method according to claim 1, it is characterised in that: wireless power transmission transmitting terminal should be with
Mobile communication equipment is co-located.
6. a kind of authentication type wireless power transmission method according to claim 1, it is characterised in that: the power supply of wireless power transmission transmitting terminal
Mode includes induction type, magnetic resonance type, radio waves type, with alternating field or wave to the non-contact wireless power transmission of reception terminal progress.
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