CN107800196A - A kind of synchronous transmission device that radio energy and signal are realized based on mapping impedance variations - Google Patents
A kind of synchronous transmission device that radio energy and signal are realized based on mapping impedance variations Download PDFInfo
- Publication number
- CN107800196A CN107800196A CN201610765027.9A CN201610765027A CN107800196A CN 107800196 A CN107800196 A CN 107800196A CN 201610765027 A CN201610765027 A CN 201610765027A CN 107800196 A CN107800196 A CN 107800196A
- Authority
- CN
- China
- Prior art keywords
- primary
- signal
- radio energy
- coil
- energy
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 48
- 238000013507 mapping Methods 0.000 title claims abstract description 47
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 25
- 230000008054 signal transmission Effects 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims description 7
- 208000032369 Primary transmission Diseases 0.000 abstract 1
- 208000032370 Secondary transmission Diseases 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 12
- 230000006698 induction Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention discloses a kind of synchronous transmission device that radio energy and signal are realized based on mapping impedance variations, which solve radio energy in the prior art and signal transmission carries out the transmission of electric energy and signal using two groups of coils, and reduce the volume of non-contact electric energy and signal transmission and the input and output joint of transformer.Signal transmission is from secondary to primary transmission, the network being made up of the secondary compensating electric capacity of adjustment control or compensation inductance or electric capacity and inductance, reduce the voltage on primary coil, similarly, information is from primary to secondary transmission, the network being made up of the primary compensating electric capacity of adjustment control or compensation inductance or electric capacity and inductance, reduces the voltage on secondary coil.
Description
Technical field
The invention belongs to a kind of radio energy and signal transmitting apparatus, and in particular to a kind of wireless (non-contact) electric energy and letter
Same group of coil of number use carries out simultaneous transmission, wherein electric energy be primary to secondary one-way transmission, signal be primary and secondary it
Between carry out half-duplex transmission.
Background technology
The eighties in last century, the wireless power transmission technology based on electromagnetic induction coupled modes start to be closed by scholars
Note.In recent years, induction wireless power transmission technology is quickly grown, many fields (such as track traffic, medicine equipment,
Portable electric appts etc.) there is application.
At present, domestic and international theoretical research and using design focus primarily upon improve induction type wireless power transmission power and
Efficiency, increase transmission range.However, different loads (such as capacitive load battery and inductive load DC brushless motor) are supplied wireless
Computator method has unique requirement.Battery and motor are controlled using suitable power supply algorithm, the electricity consumption to load equipment
Environment is monitored, and extends the service life of battery and motor, to ensureing that power supply safety is also most important.Ripe radio
Energy Transmission system, secondary can detect the power supply state of load, the information of battery and motor are modulated and is sent to primary side,
Inform whether primary side changes the information such as power supply strategy, the transmission how many electric energy.So as to realize that electric energy transmits from primary side to secondary, letter
Breath is then transmitted from secondary to primary side or primary side is transmitted to secondary, completes the closed-loop control of whole system.
Prior art uses a pair of coils using electric energy, and signal individually uses a pair of coils, radio energy and information
It is transmitted using two sets of independent systems, such system adds the control circuit of a pair of coils and information transfer, to existing
There are the volume of technology and cost to bring some problems.
United States Patent (USP) US 6540032 discloses in a kind of down-hole equipment non-contact electricity between stationary parts and rotary part
The method and apparatus that can be transmitted, the transformer principle structure that the patent proposes is feasible, but radio energy and signal are synchronously passed
It is defeated without reference to.The program discloses the structural member of whole oil instrument, is not transmitted according to radio energy and synchronizing information
Expansion narration, and whole device volume is larger, without the meaning of practical application.
Chinese patent CN105186705A discloses a kind of efficient electric energy transmitting terminal, non-contact electric energy transmission device and
Method of electric energy transfer, the DC-AC voltage transformation is adjusted using inductance and the soft switch circuit being made up of inductance and electric capacity
The output equivalent impedance of device so that output equivalent impedance remains emotional resistance, can allow in DC-AC voltage converter
Switching device voltage before conducting drops to zero, realizes that no-voltage turns on.This method is only to non-contact direct-current-alternating-current converter
Circuit realiration Sofe Switch, but this method does not account for radio energy and signal synchronous transfer.
The content of the invention
It is an object of the invention to provide a kind of synchronous transfer dress that radio energy and signal are realized based on mapping impedance variations
Put, it can overcome existing radio that respective control circuit, radio energy and signal transmission difference can be respectively adopted with signal
The shortcomings that using 2 resistance coil.
The present invention is achieved in that the synchronous transmission device that radio energy and signal are realized based on mapping impedance variations,
It is characterized in that：It includes the shared coil that radio energy and signal transmit, primary electrical energy coil, secondary electrical energy coil, primary
Map impedance switching circuit, secondary mappings impedance switching circuit, primary voltage envelope Acquisition Circuit, secondary voltage envelope collection electricity
Road.
The primary coil of described radio energy connects with the mapping impedance switching circuit of primary, for from primary to secondary
Send signal.
The secondary coil of described radio energy connects with the mapping impedance switching circuit of secondary, for from secondary to primary
Send signal.
The primary coil of described radio energy connects with the voltage envelope Acquisition Circuit of primary, is sent out for secondary to primary
The extraction for the number of delivering letters.
The secondary coil of described radio energy connects with the voltage envelope Acquisition Circuit of secondary, is sent out for primary to secondary
The extraction for the number of delivering letters.
Described primary radio energy coil is used for the transmitting of electric energy, while is also used for primary signal transmission and secondary signal
Receiving；Secondary radio energy coil is used for the receiving of electric energy, while is also used for secondary signal transmission and the receiving of primary signal.
It is an advantage of the invention that the electric energy of the non-contact electric energy transmission device of (1) present invention and the transformer of signal are by original
Two come are changed into one, so substantially reduce volume, meanwhile, four joints of originally two transformers are also reduced to now
Two joints, reduce cost, improve the reliability of system；(2) present invention is a kind of realizes nothing based on mapping impedance variations
Line electric energy and signal synchronous transmission device, become a set of control system by two sets of original control systems, reduce control circuit
With the quantity of circuit board；(3) present invention is a kind of realizes radio energy and signal synchronous transmission device based on mapping impedance variations, leads to
Overregulate the compensating electric capacity or compensation inductance of control primary coil and secondary coil, realize primary and secondary signal two-way half pair
Work is transmitted；(4) present invention considers actual engineering requirement, electric energy and letter from the structure of non-contacting interior magnet steel and outer steel
The transformer of number transmission use same transformer, reduces the volume of system, and structure installation is simple, improve charging equipment with
The reliability of rotary steerable tool non-contact part so that electric energy and signal synchronous transfer, for nothing between relative separation part
The transmission application of line electric energy (non-contact) electric energy is significant.
Brief description of the drawings
Fig. 1 is a kind of secondary switching circuit (electric capacity) of radio energy and signal synchronous transfer of the present invention；
Fig. 2 is a kind of secondary switching circuit (inductance) of radio energy and signal synchronous transfer of the present invention；
Fig. 3 is a kind of primary switched circuit (electric capacity) of radio energy and signal synchronous transfer of the present invention；
Fig. 4 is a kind of primary switched circuit (inductance) of radio energy and signal synchronous transfer of the present invention.
Fig. 5 is a kind of voltage envelope Acquisition Circuit of radio energy and signal synchronous transfer of the present invention.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples：
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
A kind of synchronous transmission device that electric energy and signal are realized based on mapping impedance variations, including radio energy and signal are passed
Defeated shared coil, primary electrical energy coil, secondary electrical energy coil, primary mapping impedance switching circuit, secondary mappings impedance switching
Circuit, primary voltage envelope Acquisition Circuit, secondary voltage envelope Acquisition Circuit.
The primary coil of described radio energy connects with the mapping impedance switching circuit of primary, for from primary to secondary
Send signal；
The secondary coil of described radio energy connects with the mapping impedance switching circuit of secondary, for from secondary to primary
Send signal；
The primary coil of described radio energy connects with the voltage envelope Acquisition Circuit of primary, is sent out for secondary to primary
The extraction for the number of delivering letters；
The secondary coil of described radio energy connects with the voltage envelope Acquisition Circuit of secondary, is sent out for primary to secondary
The extraction for the number of delivering letters.
Primary radio energy coil is used for the transmitting of electric energy, while is also used for primary data transmission and secondary signal connects
By；Secondary radio energy coil is used for the receiving of electric energy, while is also used for secondary information transmission and the receiving of primary signal.
As shown in Figure 1, Figure 2, shown in figure, Fig. 3 and Fig. 4, mapping impedance switching circuit includes power tube drive circuit, modulation electricity
Perhaps modulate inductance or modulating network (network that electric capacity and inductance are formed).A pair of switches pipe is periodically by modulating capacitor or tune
Inductance or modulating network (network that electric capacity and inductance are formed) processed are incorporated to the resonance circuit of secondary coil, so as to change secondary capacitive reactance
With the size of induction reactance, secondary circuit changes accordingly relative to the mapping impedance (capacitive reactance or induction reactance) of primary circuit, radio energy
Slight shift occurs for the resonant frequency of system, and under identical working frequency, the voltage magnitude at primary coil both ends changes.Pass through
The changing rule of detection primary voltage can obtain secondary signal.The logical zero of secondary switching circuit represents that switching tube is same
When disconnect, logical one represent switching tube simultaneously turn on.
When mapping impedance switching circuit is the situation of electric capacity, when switching tube simultaneously turns on, the mapping capacitive reactance of secondary coil from
Cs originally becomes Cs+C2+C3；Secondary circuit increases relative to the mapping impedance capacitive reactance part of primary circuit.
When mapping impedance switching circuit is the situation of inductance, when switching tube simultaneously turns on, the mapping induction reactance of secondary coil from
Lp originally becomes Lp+L1+L2；Secondary circuit increases relative to the mapping impedance induction reactance part of primary circuit.
When mapping impedance switching circuit be electric capacity and inductance situation, when switching tube simultaneously turns on, secondary coil relative to
The mapping impedance of primary coil both can be capacitive reactance it is big a bit, induction reactance is a little bit smaller or secondary coil is relative to primary
The mapping impedance induction reactance of coil is a little big, and capacitive reactance is a little bit smaller, is actually needed according to system to adjust.
According to formula
The secondary mapping impedance relative to primary either increases reaction component, or increase capacitive reactance part, can all cause
The resonant frequency of radio energy slightly reduces.If the working frequency of radio energy system keeps constant, primary voltage
Reduction, virtual voltage reduces 10V or so, can detect obvious change, voltage envelope Acquisition Circuit passes through to primary line
The extraction of voltage magnitude is enclosed, corresponding is exactly the secondary signal to be sent.
Similarly, it can promote and come, secondary coil sends information to primary coil and uses above-mentioned operation principle, primary coil
It is also to use above-mentioned operation principle to send signal to secondary coil.
As shown in figure 5, the voltage waveform at voltage envelope Acquisition Circuit sampling primary electrical energy coil both ends, by voltage follow
Device inputs to a peak-detector circuit, and the amplitude of the output voltage and the ac voltage signal of input of peak-detector circuit is in line
Sexual intercourse, the envelope of primary coil voltage can be taken out by peak-detector circuit.As illustrated, electric capacity C48 both ends are in parallel
Resistance R17.When input voltage reduces, electric capacity can be discharged by R17, and capacitance voltage and output voltage decline therewith, and circuit can
To record the envelope of primary coil and secondary coil voltage waveform.
When secondary has signal to transmit, by being controlled to secondary mappings impedance switching circuit, make primary coil
Voltage has the feature of signal, and signal is demodulated by primary voltage envelope Acquisition Circuit.
When primary has information to transmit, by being controlled to primary mapping impedance switching circuit, make secondary coil
Voltage has the feature of signal, and signal is demodulated by secondary voltage envelope Acquisition Circuit.
The working method for the half-duplex bidirectional transmission that the transmission of primary signal and secondary signal uses：
When primary mapping impedance switching circuit work (primary signal transmission), primary voltage envelope Acquisition Circuit not work
Make, secondary mapping impedance switching circuit does not work, and the work of secondary voltage envelope Acquisition Circuit, envelope Acquisition Circuit is to primary
The signal for being dealt into secondary is demodulated.
When secondary mappings impedance switching circuit works (secondary signal transmission), secondary voltage envelope Acquisition Circuit not work
Make, primary mapping impedance switching circuit does not work, and the work of primary voltage envelope Acquisition Circuit, envelope Acquisition Circuit is to secondary
The signal for being dealt into primary is demodulated.
When primary signal and secondary signal are transmitted using half-duplex bidirectional, wireless power transmission remain from primary to
Secondary one-way transmission, by changing primary or secondary loop circuit impedance, realize the synchronous transfer of radio energy and signal.Connect to be non-
The primary coil of signal and the volume of secondary coil, while non-contact electric energy and signal can be saved with signal transmission system by getting an electric shock
The coil connectors of Transmission system are reduced to 2 by 4.
A kind of synchronous transmission device that electric energy and signal are realized based on mapping impedance variations, including radio energy and signal are passed
Defeated shared coil, primary and secondary mapping impedance switching circuit, primary and secondary voltage envelope Acquisition Circuit.Primary radio
Energy coil is used for the transmitting of electric energy, while is also used for primary signal transmission and the receiving of secondary signal；Secondary radio energy coil
For the receiving of electric energy, while it is also used for secondary signal transmission and the receiving of primary signal.Primary radio energy coil and secondary
It is relative separation to have air gap and primary and secondary radio energy coil between electric energy coil, is rotated against.Retouched in the present invention
The coil for the radio energy primary and secondary stated is applied not only to wireless power transmission, while the transmission of wireless signal is also wireless
Completed on the radio energy coil of electric energy primary and secondary, i.e., radio energy and wireless signal with a pair of coils by completing.Institute
Just coil and primary map the radiating circuit that impedance switching circuit forms primary wireless signal to the radio energy stated.Described is wireless
Electric energy secondary coil and secondary mappings impedance switching circuit form the radiating circuit of secondary wireless signal.At the beginning of described radio energy
What level coil and primary detecting circuit formed primary wireless signal receives circuit.Described radio energy secondary coil and secondary inspection
The secondary wireless signal of wave circuit composition receives circuit.Described one kind is based on mapping impedance variations and realizes radio energy and signal
Synchronous transfer, it is characterised in that the transmission of radio energy is one-way transmission, i.e., radio energy is sent out by primary radio energy coil
Penetrate, radio energy is received by secondary radio energy coil.The transmission of wireless signal is bi-directional half-duplex transmission.Information passes through wireless
Electric energy coil transmissions, information are received by secondary radio energy coil, or signal is by secondary radio energy coil transmissions, signal by
Primary radio energy coil receives.Radio energy uses one-way transmission, and the transmission of primary and secondary signal uses semiduplex biography
Defeated mode, when being transmitted without signal, wireless power transmission can work independently, and when information needs transmission, electric energy and signal are synchronous
Transmission.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
All or part of step in the embodiment of the present invention, software can be utilized to realize, corresponding software program can deposit
Storage is in the storage medium that can be read, such as CD or hard disk.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (6)
- A kind of 1. synchronous transmission device that radio energy and signal are realized based on mapping impedance variations, it is characterised in that：It includes Radio energy and the shared coil of signal transmission, primary electrical energy coil, secondary electrical energy coil, primary mapping impedance switching circuit, Secondary mappings impedance switching circuit, primary voltage envelope Acquisition Circuit, secondary voltage envelope Acquisition Circuit.
- 2. a kind of synchronous transmission device that radio energy and signal are realized based on mapping impedance variations as claimed in claim 1, It is characterized in that：The primary coil of described radio energy with primary mapping impedance switching circuit connect, for from primary to Secondary sends signal.
- 3. a kind of synchronous transmission device that radio energy and signal are realized based on mapping impedance variations as claimed in claim 1, It is characterized in that：The secondary coil of described radio energy with secondary mapping impedance switching circuit connect, for from secondary to Primary sends signal.
- 4. a kind of synchronous transmission device that radio energy and signal are realized based on mapping impedance variations as claimed in claim 1, It is characterized in that：The primary coil of described radio energy connects with the voltage envelope Acquisition Circuit of primary, for secondary to first Level sends the extraction of signal.
- 5. a kind of synchronous transmission device that radio energy and signal are realized based on mapping impedance variations as claimed in claim 1, It is characterized in that：The secondary coil of described radio energy connects with the voltage envelope Acquisition Circuit of secondary, for primary to secondary Level sends the extraction of signal.
- 6. a kind of synchronous transmission device that radio energy and signal are realized based on mapping impedance variations as claimed in claim 1, It is characterized in that：Described primary radio energy coil is used for the transmitting of electric energy, while is also used for primary signal transmission and secondary The receiving of signal；Secondary radio energy coil is used for the receiving of electric energy, while is also used for secondary signal transmission and primary signal Receive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765027.9A CN107800196A (en) | 2016-08-30 | 2016-08-30 | A kind of synchronous transmission device that radio energy and signal are realized based on mapping impedance variations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765027.9A CN107800196A (en) | 2016-08-30 | 2016-08-30 | A kind of synchronous transmission device that radio energy and signal are realized based on mapping impedance variations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107800196A true CN107800196A (en) | 2018-03-13 |
Family
ID=61529192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610765027.9A Pending CN107800196A (en) | 2016-08-30 | 2016-08-30 | A kind of synchronous transmission device that radio energy and signal are realized based on mapping impedance variations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107800196A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993603A (en) * | 2015-05-15 | 2015-10-21 | 深圳市普林泰克科技有限公司 | High-voltage-isolating power supply device and method based on magnetic field isolation |
| CN105098844A (en) * | 2015-07-02 | 2015-11-25 | 宁波微鹅电子科技有限公司 | Noncontact power transmission device and power transmission method |
| CN105634152A (en) * | 2016-03-29 | 2016-06-01 | 湖北理工学院 | Track type non-contact power supply based energy signal coupling transmission system and method |
| CN105846684A (en) * | 2016-03-23 | 2016-08-10 | 中国矿业大学 | Noncontact electric energy and signal synchronous transmission system and control method thereof |
-
2016
- 2016-08-30 CN CN201610765027.9A patent/CN107800196A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993603A (en) * | 2015-05-15 | 2015-10-21 | 深圳市普林泰克科技有限公司 | High-voltage-isolating power supply device and method based on magnetic field isolation |
| CN105098844A (en) * | 2015-07-02 | 2015-11-25 | 宁波微鹅电子科技有限公司 | Noncontact power transmission device and power transmission method |
| CN105846684A (en) * | 2016-03-23 | 2016-08-10 | 中国矿业大学 | Noncontact electric energy and signal synchronous transmission system and control method thereof |
| CN105634152A (en) * | 2016-03-29 | 2016-06-01 | 湖北理工学院 | Track type non-contact power supply based energy signal coupling transmission system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103595145B (en) | A kind of system realizing high speed communication and wireless energy transfer based on public inductance coupling high | |
| CN103580300B (en) | The method of receiver and the operation of execution receiver | |
| US20180262057A1 (en) | Wireless power transfer method, apparatus and system for low and medium power | |
| CN103560593B (en) | A kind of control method of field coupled type radio energy transmission system | |
| CN108390472B (en) | Non-contact energy and signal synchronous transmission system and transmission method | |
| CN110768392B (en) | Inductively coupled power transmission and full duplex signal hybrid transmission circuit and method | |
| CN105393432A (en) | Wireless power-transfer system and power-transmission device | |
| CN101789637B (en) | Inductive coupling type electric energy transmission device | |
| CN103683530B (en) | A kind of data transmission method and apply its wireless charging device | |
| CN109546758B (en) | Underwater wireless power transmission system for transmitting signals by using distributed capacitors | |
| CN113726028B (en) | Electronic equipment and control method thereof | |
| CN102355035A (en) | Wireless charging transmitting device, wireless charging system and wireless charging control method | |
| WO2000054387A1 (en) | Battery chargers | |
| CN109245231A (en) | A kind of wireless charging topological structure with nature constant pressure and flow output characteristics | |
| CN110022006A (en) | A kind of radio energy signal synchronous transfer and remained capacity time division multiplex system and its control method | |
| CN114421646A (en) | Magnetic coupling wireless energy signal synchronous transmission system based on hybrid modulation | |
| CN110138094A (en) | Electric field radio energy and bidirectional signal transmission system | |
| CN110022005A (en) | A kind of invariable power dynamic radio electric energy Transmission system of mobile load | |
| CN114142623A (en) | Wireless charging transmitting terminal, wireless charging receiving terminal and wireless charging system | |
| GB2347801A (en) | Electric vehicle battery charger | |
| CN105119389A (en) | Frequency self-adaptive tracking device for wireless power supply locomotive | |
| CN107800196A (en) | A kind of synchronous transmission device that radio energy and signal are realized based on mapping impedance variations | |
| WO2024036599A1 (en) | Energy and signal synchronous wireless transmission system based on integrated magnetic circuit coupling structure | |
| CN203626888U (en) | Rotation-oriented electric power and signal coupling and transmitting system | |
| CN114552799B (en) | Wireless power and information synchronous transmission system and method based on multi-system frequency shift keying |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180313 |