CN109818431A - A kind of wireless charging method based on carrier communication - Google Patents

A kind of wireless charging method based on carrier communication Download PDF

Info

Publication number
CN109818431A
CN109818431A CN201910169308.1A CN201910169308A CN109818431A CN 109818431 A CN109818431 A CN 109818431A CN 201910169308 A CN201910169308 A CN 201910169308A CN 109818431 A CN109818431 A CN 109818431A
Authority
CN
China
Prior art keywords
wireless charging
carrier communication
charging method
coil
dsp chip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910169308.1A
Other languages
Chinese (zh)
Inventor
王伟
杨旸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu City Wang Aircraft Power Electronics Co Ltd
Original Assignee
Jiangsu City Wang Aircraft Power Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu City Wang Aircraft Power Electronics Co Ltd filed Critical Jiangsu City Wang Aircraft Power Electronics Co Ltd
Priority to CN201910169308.1A priority Critical patent/CN109818431A/en
Publication of CN109818431A publication Critical patent/CN109818431A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The present invention provides a kind of wireless charging method based on carrier communication, and the carrier communication is realized by a transmitting terminal and a receiving end, and the wireless charging method includes the following steps: S1, modulates the inverter circuit in the transmitting terminal, and inversion exports；L in S2, detection receiving endDDThe voltage and current of coil；L in S3, detection receiving endQThe voltage and current of coil；S4, the data that will test are sent in the dsp chip of transmitting terminal and are handled；S5, the processing result according to dsp chip, such as meet rechargeable standard, and normal emphasis is carried out between transmitting terminal and receiving end, otherwise continue to request.The present invention is based on the modes of carrier communication, before charge, collection voltages current data, and handled by dsp chip, when meeting wireless charging condition, start to charge, it so can not only reduce information security issue, accuracy of data acquisition is improved, cost can also be reduced, improves wireless charging system reliability.

Description

A kind of wireless charging method based on carrier communication
Technical field
The present invention relates to wireless charging technical field more particularly to a kind of wireless charging methods based on carrier communication.
Background technique
The fast development of electric car proposes higher requirement to electrically-charging equipment, and either direct current stake still exchanges stake, The transmission of its power is all to become limit in large-power occasions, the size of cable, price and weight using traditional wire cable The factor of wired charging development processed.Therefore, wireless charging technology becomes the effective means to solve the above problems.
In wireless charging technology (WPT), the transmitting of energy is to greatly expand electric energy by contactless remote transmission The application of transmission is a kind of energy transmission mode with vast potential for future development.However, while WPT offers convenience, Be also introduced into new problem, the secondary side communication mode of traditional original be by WIFI or ZIGBEE, increase communications reception mould group at This increase simultaneously, also brings relevant information security issue.Therefore, in view of the above-mentioned problems, it is necessary to propose further to solve Certainly scheme.
Summary of the invention
The purpose of the present invention is to provide a kind of wireless charging methods based on carrier communication, are deposited in the prior art with overcoming Deficiency.
For achieving the above object, the present invention provides a kind of wireless charging method based on carrier communication, the carrier wave Communication is realized that the wireless charging method includes the following steps: by a transmitting terminal and a receiving end
Inverter circuit in S1, the modulation transmitting terminal, and inversion exports；
L in S2, detection receiving endDDThe voltage and current of coil；
L in S3, detection receiving endQThe voltage and current of coil；
S 4, the data that will test are sent in the dsp chip of transmitting terminal and are handled；
S5, the processing result according to dsp chip, such as meet rechargeable standard, are normally weighed between transmitting terminal and receiving end Otherwise point continues to request.
Preferably, the transmitting terminal further include: modulation transformer, L1Coil, the modulation transformer and inversion electricity Road is connected, and the modulation transformer and dsp chip signal transmit, the L1The both ends of coil are connected with the inverter circuit It connects, the frequency that the dsp chip modulates waveform is at least at least 10 times of the inverter circuit power waveform frequency.
Preferably, the inverter circuit is full bridge inverter or half-bridge inversion circuit.
Preferably, formed the full bridge inverter or half-bridge inversion circuit switch be metal-oxide-semiconductor, IGBT, SIC or One of GAN.
Preferably, the dsp chip model TMS320C2000.
Preferably, the receiving end includes: rectification circuit, solution voltage regulator/transformer, the LDDCoil, LQCoil respectively with it is described Rectification circuit is connected, and with the L1Coil forms mutual inductance, and the solution voltage regulator/transformer is connected with the rectification circuit, and with The dsp chip signal transmission.
Preferably, the rectification circuit is BOOST rectification circuit or BUCKBOOST rectification circuit.
Preferably, formed the BOOST rectification circuit or BUCKBOOST rectification circuit switch be metal-oxide-semiconductor, IGBT, One of SIC or GAN.
Compared with prior art, the beneficial effects of the present invention are: the wireless charging method of the invention based on carrier communication Mode based on carrier communication, before charge, collection voltages current data, and being handled by dsp chip, when meeting nothing It when line charge electric condition, starts to charge, so can not only reduce information security issue, improve accuracy of data acquisition, can also drop Low cost improves wireless charging system reliability.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The some embodiments recorded in invention, for those of ordinary skill in the art, without creative efforts, It is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the method flow of wireless charging method one specific embodiment of the invention based on carrier communication is illustrated Figure；
Fig. 2 is the circuit diagram of carrier communication.
Specific embodiment
The present invention is described in detail for each embodiment shown in reference to the accompanying drawing, but it should be stated that, these Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiments made by function, method, Or equivalent transformation or substitution in structure, all belong to the scope of protection of the present invention within.
As shown in Figure 1, wireless charging method of the invention is suitable for the wireless charging system based on carrier communication mode.Tool Body, wireless charging method of the invention includes the following steps:
Inverter circuit in S1, the modulation transmitting terminal, and inversion exports；
L in S2, detection receiving endDDThe voltage and current of coil；
L in S3, detection receiving endQThe voltage and current of coil；
S 4, the data that will test are sent in the dsp chip of transmitting terminal and are handled；
S5, the processing result according to dsp chip, such as meet rechargeable standard, are normally weighed between transmitting terminal and receiving end Otherwise point continues to request.
The principle of the invention lies in further sharp by cancelling traditional communication mode based on WIFI or ZIGBEE With PLC technology, high-frequency carrier signal is introduced in the power transformer line of low frequency, the coupling being suspended on primary side route Transformer after secondary side receives the signal by transformer, is sent into DSP and is carried out at signal in addition DSP simulates one group of high-frequency signal Reason can carry out former secondary side information exchange.To which reference current carrier wave principle simply introduces two coupling transformers, and adds Former secondary side communication issue can be solved by entering certain control logic, can not only be reduced information security issue, be improved data and adopt Collect precision, cost can also be reduced, improves wireless charging system reliability.
The carrier communication is realized by a transmitting terminal and a receiving end.Wherein, the transmitting terminal include: modulation transformer, Inverter circuit, dsp chip, L1Coil, the modulation transformer are connected with the inverter circuit, and the modulation transformer with The transmission of dsp chip signal, the L1The both ends of coil are connected with the inverter circuit, and the dsp chip modulates waveform Frequency is at least at least 10 times of the inverter circuit power waveform frequency.
The receiving end includes: rectification circuit, LDDCoil, LQCoil, solution voltage regulator/transformer, the LDDCoil, LQCoil point Be not connected with the rectification circuit, and with the L1Coil forms mutual inductance, the solution voltage regulator/transformer and the rectification circuit phase Connection, and transmitted with the dsp chip signal.
Below with reference to a specific embodiment, technical solution of the present invention is illustrated.
As shown in Fig. 2, the wireless charging method based on carrier communication of the present embodiment includes: transmitting terminal 1 and receiving end 2.
The transmitting terminal 1 includes: modulation transformer 11, inverter circuit 12, dsp chip 13, L1Coil.The modulation transformation Device 11 is connected with the inverter circuit 12, and the modulation transformer 11 and 13 signal of dsp chip transmit, the L1Coil Both ends are connected with the inverter circuit 12, and the frequency that the dsp chip 13 modulates waveform is at least the inverter circuit function At least 10 times of rate waveform frequency, to avoid higher hamonic wave interference.
In the present embodiment, the inverter circuit 12 is full bridge inverter or half-bridge inversion circuit.Preferably full-bridge is inverse Power transformation road.The switch of the full bridge inverter or half-bridge inversion circuit is formed as in metal-oxide-semiconductor, IGBT, SIC or GAN It is a kind of.The 13 model TMS320C2000 of dsp chip.Preferably IGBT.
The receiving end 2 includes: rectification circuit 21, LDDCoil, LQCoil adjusts transformer 22, the LDDCoil, LQLine Circle be connected respectively with the rectification circuit 21, and with the L1Coil formed mutual inductance, the adjusting transformer 22 with it is described whole Current circuit 21 is connected, and transmits with 13 signal of dsp chip.
In the present embodiment, the rectification circuit 21 is BOOST rectification circuit or BUCKBOOST rectification circuit.Preferably BOOST rectification circuit.Formed the BOOST rectification circuit or BUCKBOOST rectification circuit switch be metal-oxide-semiconductor, IGBT, One of SIC or GAN.Preferably IGBT.
In conclusion the mode of the invention based on the wireless charging method of carrier communication based on carrier communication, is charging Before, collection voltages current data, and handled by dsp chip, it when meeting wireless charging condition, starts to charge, such as This can not only reduce information security issue, improve accuracy of data acquisition, can also reduce cost, and improving wireless charging system can By property.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (8)

1. a kind of wireless charging method based on carrier communication, which is characterized in that the carrier communication is connect by a transmitting terminal and one Receiving end realizes that the wireless charging method includes the following steps:
Inverter circuit in S1, the modulation transmitting terminal, and inversion exports；
L in S2, detection receiving endDDThe voltage and current of coil；
L in S3, detection receiving endQThe voltage and current of coil；
S4, the data that will test are sent in the dsp chip of transmitting terminal and are handled；
S5, the processing result according to dsp chip, such as meet rechargeable standard, and normal emphasis is carried out between transmitting terminal and receiving end, no Then continue to request.
2. the wireless charging method according to claim 1 based on carrier communication, which is characterized in that the transmitting terminal also wraps It includes: modulation transformer, L1Coil, the modulation transformer are connected with the inverter circuit, and the modulation transformer and DSP Chip signal transmission, the L1The both ends of coil are connected with the inverter circuit, and the dsp chip modulates the frequency of waveform At least 10 times of at least described inverter circuit power waveform frequency.
3. the wireless charging method according to claim 1 based on carrier communication, which is characterized in that the inverter circuit is Full bridge inverter or half-bridge inversion circuit.
4. the wireless charging method according to claim 3 based on carrier communication, which is characterized in that it is inverse to form the full-bridge The switch of power transformation road or half-bridge inversion circuit is one of metal-oxide-semiconductor, IGBT, SIC or GAN.
5. the wireless charging method according to claim 1 based on carrier communication, which is characterized in that the dsp chip type Number be TMS320C2000.
6. the wireless charging method according to claim 1 based on carrier communication, which is characterized in that the receiving end packet It includes: rectification circuit, solution voltage regulator/transformer, the LDDCoil, LQCoil is connected with the rectification circuit respectively, and with the L1Line Circle forms mutual inductance, and the solution voltage regulator/transformer is connected with the rectification circuit, and transmits with the dsp chip signal.
7. the wireless charging method according to claim 6 based on carrier communication, which is characterized in that the rectification circuit is BOOST rectification circuit or BUCKBOOST rectification circuit.
8. the wireless charging method according to claim 7 based on carrier communication, which is characterized in that form the BOOST The switch of rectification circuit or BUCKBOOST rectification circuit is one of metal-oxide-semiconductor, IGBT, SIC or GAN.
CN201910169308.1A 2019-03-06 2019-03-06 A kind of wireless charging method based on carrier communication Withdrawn CN109818431A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910169308.1A CN109818431A (en) 2019-03-06 2019-03-06 A kind of wireless charging method based on carrier communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910169308.1A CN109818431A (en) 2019-03-06 2019-03-06 A kind of wireless charging method based on carrier communication

Publications (1)

Publication Number Publication Date
CN109818431A true CN109818431A (en) 2019-05-28

Family

ID=66608274

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910169308.1A Withdrawn CN109818431A (en) 2019-03-06 2019-03-06 A kind of wireless charging method based on carrier communication

Country Status (1)

Country Link
CN (1) CN109818431A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113013999A (en) * 2021-02-09 2021-06-22 浙江大学 Wireless electric energy and data synchronous transmission system based on direct current ripple modulation
CN113067598A (en) * 2019-12-31 2021-07-02 华为技术有限公司 Frequency locking method, wireless charging system, receiving equipment and transmitting equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113067598A (en) * 2019-12-31 2021-07-02 华为技术有限公司 Frequency locking method, wireless charging system, receiving equipment and transmitting equipment
CN113067598B (en) * 2019-12-31 2022-11-04 华为技术有限公司 Frequency locking method, wireless charging system, receiving device and transmitting device
CN113013999A (en) * 2021-02-09 2021-06-22 浙江大学 Wireless electric energy and data synchronous transmission system based on direct current ripple modulation

Similar Documents

Publication Publication Date Title
CN105914899B (en) It is a kind of can two-way operation radio energy transmission system and method
US10640001B2 (en) Wireless power transfer method using field winding and vehicle assembly and electric vehicle using the same
CN107618388B (en) Wireless charging system of electric automobile
CN101567570B (en) Non-contact induction type charging system
US10960778B2 (en) Power reception apparatus having bridgeless rectifier in electric vehicle wireless power transfer system
CN103280899B (en) Wireless charging receiver, discharger and system
CN104967222A (en) Multifrequency operation wireless power transfer transmitting terminal circuit
JP2014060863A (en) Power receiving device and non-contact power transmission apparatus
CN108390472A (en) A kind of non-contact energy and signal synchronous transmission system and transmission method
CN104426205B (en) Wireless charging device and method and use the mobile terminal of this device
CN106560972A (en) Communication system and vehicle wireless charging device
CN105186714A (en) Low-power wireless charging circuit topological structure
KR102608558B1 (en) Power relay device and system
CN106208414B (en) The inductive electric energy transmission system of more primary coils of the automatic resonance compensation of energy
CN109818431A (en) A kind of wireless charging method based on carrier communication
CN204633480U (en) A kind of wireless power transmission transmitting terminal circuit of multiple-frequency operation
Hao et al. Research on wireless power transfer system of automated guided vehicle based on magnetic coupling resonance
CN209526532U (en) A kind of wireless charging device for avoiding higher hamonic wave from interfering
CN112937319A (en) Multi-frequency resonance compensation-based multi-channel wireless charging system for intelligent mobile restaurant
CN105990873A (en) Electric coupling wireless charging device and method thereof
CN205051447U (en) Wireless charging circuit topological structure of low -power
CN105515210A (en) Non-contact charging pile, on-board charging device, and charging system
CN103825345A (en) Wireless power charging device with special spiral coil
CN209526531U (en) A kind of wireless charging system based on power carrier
CN109888892A (en) A kind of wireless charging system with anti-offset characteristic

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20190528

WW01 Invention patent application withdrawn after publication