CN110040011A - A kind of wireless charging method and control device - Google Patents
A kind of wireless charging method and control device Download PDFInfo
- Publication number
- CN110040011A CN110040011A CN201910314588.0A CN201910314588A CN110040011A CN 110040011 A CN110040011 A CN 110040011A CN 201910314588 A CN201910314588 A CN 201910314588A CN 110040011 A CN110040011 A CN 110040011A
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- coil
- objective emission
- transmitting
- transmitting coil
- receiving coil
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
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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
- 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
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- 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
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- 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
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- 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
Abstract
The present invention relates to a kind of wireless charging method and control devices, the method is applied in wireless charging system, the wireless charging system includes controller, transmitting coil and sensor, multiple transmitting coils form transmitting coil array, and the controller is electrically connected with the transmitting coil and the sensor respectively.It the described method comprises the following steps: obtaining the type of receiving coil on electric car to be charged；Obtain corresponding position of the receiving coil of the sensor detection on the transmitting coil array；According to the corresponding position of the type of the receiving coil and the receiving coil on the transmitting coil array, multiple objective emission coils are determined from the transmitting coil array；The objective emission coil is grouped according to the type of the receiving coil；It is passed through the electric current of out of phase into the objective emission coil of different grouping, the receiving coil is made to charge the battery of the electric car.
Description
Technical field
The present invention relates to electric car charging technique field, in particular to a kind of wireless charging method and control device.
Background technique
With the continuous development of automotive engineering, automobile has become the important vehicles of people's living trip.With ring
Border pollution, energy shortage problem are got worse, and energy conservation and environmental protection have become the important directions of automobile industry development, due to state
Family policy guide and discharge it is increasingly harsh, electric car is by unprecedented attention and development.Currently, electric car is most
Using the battery of lithium series, used charging modes are substantially based on fixed charging pile, but there are the following problems: filling
The electric time is longer, need to waste consumer's plenty of time；One charging station while Rechargeable vehicle limited amount；Outdoor wired charging stake
Vulnerable to infringement；It builds special charging station and occupies a large amount of lands used etc..
There are also a kind of using wireless power transmission technology by electromagnetic induction coupling principle, realizes the near radio of electric energy
Transmission can realize electric car in the convenient, flexible of the places such as domestic garage, public parking position even kerbside based on the technology
Charging.Electric car is realized using traditional single-phase single primary side transmitting coil radio energy transmission system in the prior art wireless
Charging, there are an obvious shortcomings: the magnetic field that primary magnetic energy transmitting coil generates is unbalanced, coil central location magnetic field strength
Greatly, periphery magnetic field strength is small.To guarantee electric vehicle charge efficiency, the pick-up winding mechanism needs being installed on electric car are located at
Otherwise the surface of primary magnetic energy trigger mechanism will cause being largely lost for energy, be unfavorable for the efficient charging of battery.In order to mention
High recharge efficiency needs to be directed at wireless power supply well in parking, has very high want to the stopping technical of user vehicle
It asks.
Summary of the invention
In view of the above problems in the prior art, the purpose of the present invention is to provide a kind of wireless charging method and control dresses
It sets, can either guarantee flexible parking of the electric car in a wide range of, and charge with can be realized electric car high efficient and reliable.
To solve the above-mentioned problems, the present invention provides a kind of wireless charging method, and the method is applied to wireless charging system
In system, the wireless charging system includes controller, transmitting coil and sensor, and multiple transmitting coils form transmitting coil
Array, the controller are electrically connected with the transmitting coil and the sensor respectively；It the described method comprises the following steps:
S1, the type for obtaining receiving coil on electric car to be charged；
S2, corresponding position of the receiving coil of the sensor detection on the transmitting coil array is obtained；
S3, the correspondence position according to the type and the receiving coil of the receiving coil on the transmitting coil array
It sets, multiple objective emission coils is determined from the transmitting coil array；
S4, the objective emission coil is grouped according to the type of the receiving coil；
S5, the electric current that out of phase is passed through into the objective emission coil of different grouping, make the receiving coil to described
The battery of electric car charges.
Further, the method also includes:
Obtain the charge information of the batteries of electric automobile；
Judge whether charging is completed according to the charge information；
When charging is complete, control disconnects the electric current of the objective emission coil.
Further, the type and the receiving coil according to the receiving coil is on the transmitting coil array
Corresponding position, determine that multiple objective emission coils include: from the transmitting coil array
According to the type of the receiving coil, corresponding position of the receiving coil on the transmitting coil array is analyzed
The spatial magnetic field that place needs；
According to the spatial magnetic field, the magnetic line of force of the spatial magnetic field will be generated in the transmitting coil array
Required transmitting coil is as objective emission coil.
Further, it includes: root that the type according to the receiving coil, which is grouped the objective emission coil,
The direction of the spatial magnetic field magnetic line of force generated is needed to divide the objective emission coil according to the target coil
Group.
Specifically, the objective emission coil includes first object transmitting coil and the second objective emission coil, and described
One objective emission coil be the transmitting coil array in be overlapped with the projection of the receiving coil and projection frame favored area in
Transmitting coil, the second objective emission coil are to be located at first object transmitting coil periphery in the transmitting coil array
Transmitting coil.
Preferably, the number of the objective emission coil of each grouping is identical.
Further, the type and the receiving coil according to the receiving coil is on the transmitting coil array
Corresponding position, multiple objective emission coils are determined from the transmitting coil array further include:
Obtain the charge power of electric car to be charged；
The number of objective emission coil is determined according to the charge power.
Further, the electric current that out of phase is passed through in the objective emission coil to different grouping includes: to every phase
The phase difference that electric current is passed through in the objective emission coil of adjacent two groupings is identical.
Another aspect of the present invention protects a kind of wireless charging control device, and described device includes:
Acquiring unit, for obtaining the type of receiving coil on electric car to be charged；
First determination unit, the information of voltage of the transmitting coil for being detected according to the sensor, determine described in
Corresponding position of the receiving coil on the transmitting coil array；
Second determination unit, for the type and the receiving coil according to the receiving coil in the transmitting coil battle array
Corresponding position on column determines multiple objective emission coils from the transmitting coil array；
Grouped element, for being grouped according to the type of the receiving coil to the objective emission coil；
Control unit makes the reception for being passed through the electric current of out of phase in the objective emission coil to different grouping
Coil charges to the battery of the electric car.
Further, the acquiring unit is also used to obtain the charge information of the batteries of electric automobile；
Described device further includes judging unit, for judging whether charging is completed according to the charge information；
Described control unit is also used to when charging is complete, and control disconnects the electric current of the objective emission coil.
Due to above-mentioned technical proposal, the invention has the following advantages:
(1) several transmitting coil arrays are arranged and form a large area magnetic energy by a kind of wireless charging method of the invention
Charged area, electric car can rest in any position in the charged area, without being accurately aimed at charge position, Ji Kejin
Charge to row high efficient and reliable.
(2) a kind of wireless charging method of the invention applies out of phase by the objective emission coil to different grouping
Alternating current, space alternating electromagnetic field point needed for the different loop constructions such as unicoil, double D coils, DDQ coil can be simulated
Cloth enables a transmitting coil array to carry out wireless power transmission to the receiving coil of different structure.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention
The attached drawing used is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, it is right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is a kind of wireless charging method flow chart provided in an embodiment of the present invention；
Fig. 2 is a kind of wireless charging controling device structure diagram provided in an embodiment of the present invention；
Fig. 3 is that a kind of receiving coil provided in an embodiment of the present invention is monocoil wireless charging system schematic diagram；
Fig. 4 is the wireless charging system schematic diagram that a kind of receiving coil provided in an embodiment of the present invention is double D coils.
In figure: 1- wireless charging control device, 11- acquiring unit, the first determination unit of 12-, the second determination unit of 13-,
14- grouped element, 15- control unit, 16- judging unit, 2- transmitting coil, 3- receiving coil.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without making creative work it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
Embodiment 1
Reference book attached drawing 1, Fig. 3 and Fig. 4, the present embodiment provides a kind of wireless charging method, the method is applied to
In wireless charging system, the wireless charging system includes controller, transmitting coil 2 and sensor, multiple transmitting coils 2
Transmitting coil array is formed, the controller is electrically connected with the transmitting coil 2 and the sensor respectively.
In the embodiment of the present invention, the transmitting coil 2 is hexagon coil, and multiple transmitting coils 2 line up honeycomb
The electric current of array, each transmitting coil 2 passes through the controller independent control；The sensor is position sensor.It needs
It is noted that in a possible embodiment, the transmitting coil 2 can be circular coil or quadrangle coil, institute
It states transmitting coil 2 and is also provided with core structure.
In the embodiment of the present invention, wireless charging method that the system uses the following steps are included:
S1, the type for obtaining receiving coil on electric car to be charged.
It, can be by carrying out communicating the class for obtaining the receiving coil with electric car to be charged in the embodiment of the present invention
Type.In the embodiment of the present invention, the type of the receiving coil 3 of electric car includes: unicoil, double D coils and DDQ coil.
S2, corresponding position of the receiving coil of the sensor detection on the transmitting coil array is obtained.
In the embodiment of the present invention, corresponding position of the receiving coil on the transmitting coil array passes through the position
Sensor is detected and is sent to the controller.
S3, the correspondence position according to the type and the receiving coil of the receiving coil on the transmitting coil array
It sets, multiple objective emission coils is determined from the transmitting coil array.
In the embodiment of the present invention, the receiving coil can be analyzed in the transmitting according to the type of the receiving coil
Spatial magnetic field needed for corresponding position on coil array；
According to the spatial magnetic field, the magnetic line of force of the spatial magnetic field will be generated in the transmitting coil array
Required transmitting coil is as objective emission coil.
Specifically, the objective emission coil includes first object transmitting coil and the second objective emission coil, and described
One objective emission coil be the transmitting coil array in be overlapped with the projection of the receiving coil and projection frame favored area in
Transmitting coil, the second objective emission coil are to be located at first object transmitting coil periphery in the transmitting coil array
Transmitting coil.
In the embodiment of the present invention, when the receiving coil is unicoil, if the objective emission coil can be chosen for
Do the first object transmitting coil and several second objective emission coils；When the receiving coil be double D coils or
When DDQ coil, the objective emission coil can be chosen for several first object transmitting coils.
Further, the step S3 is further comprised the steps of:
Obtain the charge power of electric car to be charged；
The number of objective emission coil is determined according to the charge power.
It, can be by carrying out communicating the charging function for obtaining electric car to be charged with electric car in the embodiment of the present invention
Rate.
It should be noted that in a possible embodiment, the charge power of the electric car can also be described
Charging system can be the maximum charge power that the electric car provides.
It should be noted that in a possible embodiment, the step obtains the charging function of electric car to be charged
Rate determines that the number of objective emission coil can also carry out before the step S3 according to the charge power.
S4, the objective emission coil is grouped according to the type of the receiving coil.
It, can be according to the spatial magnetic field magnetic line of force that the target coil needs to generate in the embodiment of the present invention
Direction is grouped the objective emission coil.
As a preferred embodiment, the number of the objective emission coil of each grouping is identical.
It, can be using first object transmitting coil as the when the receiving coil is unicoil in the embodiment of the present invention
One grouping, using the second objective emission coil as second packet；It, can when the receiving coil is double D coils or DDQ coil
With will be overlapped in the objective emission coil with the projection of the one of D coil of the receiving coil and projection frame favored area in
Projection in the transmitting coil array with the receiving coil another D coil is overlapped by transmitting coil as the first grouping
And the transmitting coil in projection frame favored area is as second packet.
It should be noted that in a possible embodiment, it, can also be by institute when the receiving coil is unicoil
State three groupings that objective emission coil is divided into distribution in the shape of " pin ".
S5, the electric current that out of phase is passed through into the objective emission coil of different grouping, make the receiving coil to described
The battery of electric car charges.
In the embodiment of the present invention, the phase difference phase of electric current is passed through into the objective emission coil of grouping described in each adjacent two
Together.
In the embodiment of the present invention, the electric current of the objective emission coil, Xiang Suoshu different grouping can be connected by control
Objective emission coil in be passed through the alternating current of out of phase, simulate single coil structure, double D loop constructions or DDQ line
Alternating electromagnetism field distribution in space needed for coil structures is realized and is transmitted with the electric energy of the receiving coil.
Specifically, when the objective emission coil is divided into two groups, be passed through at any time it is described first grouping and it is described
The size of current of the objective emission coil of second packet is identical, 180 ° of phase cross-over, the target hair of the first grouping as described in being passed through
When the electric current of ray circle is clockwise direction, the electric current of the objective emission coil of the second packet is passed through as counterclockwise；
When the objective emission coil is divided into three groups, it is passed through first grouping, the second packet and described the at any time
Three grouping objective emission coils size of current it is identical, 120 ° of phase cross-over.
In a possible embodiment, the alternating current is realized using compensation network, such as by the capacitor of fixed capacity
Device connects to form LC series circuit with each transmitting coil, applies the alternating voltage of certain frequency in the LC series circuit, such as
Sine voltage, square-wave voltage etc. can form alternating current in coil.It further, can also be by applied alternation electricity
The set of frequency of pressure is close or consistent for the resonance frequency with LC series circuit, to realize that the alternating current in small coil is positive
String electric current or close to sinusoidal current.
Further, the wireless charging method further comprises the steps of:
Obtain the charge information of the batteries of electric automobile；
Judge whether charging is completed according to the charge information；
When charging is complete, control disconnects the electric current of the objective emission coil.
It, can be by carrying out communicating the charge information for obtaining the on-vehicle battery with electric car in the embodiment of the present invention.
Embodiment 2
Reference book attached drawing 2, the present embodiment provides a kind of wireless charging control device, the wireless charging control device
1 includes acquiring unit 11, the first determination unit 12, the second determination unit 13, grouped element 14 and control unit 15；
The acquiring unit 11, for obtaining the type of receiving coil on electric car to be charged；
First determination unit 12, the information of voltage of the transmitting coil for being detected according to the sensor, really
Fixed corresponding position of the receiving coil on the transmitting coil array；
Second determination unit 13, for the type and the receiving coil according to the receiving coil in the transmitting
Corresponding position on coil array determines multiple objective emission coils from the transmitting coil array；
The grouped element 14, for being grouped according to the type of the receiving coil to the objective emission coil；
Described control unit 15 makes institute for being passed through the electric current of out of phase in the objective emission coil to different grouping
Receiving coil is stated to charge to the battery of the electric car.
Further, the acquiring unit 11, is also used to obtain the charge information of the batteries of electric automobile；
Described device further includes judging unit 16, for judging whether charging is completed according to the charge information；
Described control unit 15 is also used to when charging is complete, and control disconnects the electric current of the objective emission coil.
In a possible embodiment, the acquiring unit 11 can be also used for obtaining the charging of electric car to be charged
Power, second determination unit 13 can be also used for determining objective emission coil according to the charge power of electric car to be charged
Number.
Of the invention a kind of wireless charging method and control device have the advantages that
(1) several transmitting coil arrays are arranged and form a large area magnetic energy by a kind of wireless charging method of the invention
Charged area, electric car can rest in any position in the charged area, without being accurately aimed at charge position, Ji Kejin
Charge to row high efficient and reliable.
(2) a kind of wireless charging method of the invention applies out of phase by the objective emission coil to different grouping
Alternating current, space alternating electromagnetic field point needed for the different loop constructions such as unicoil, double D coils, DDQ coil can be simulated
Cloth enables a transmitting coil array to carry out wireless power transmission to the receiving coil of different structure.
Above description sufficiently discloses a specific embodiment of the invention.It should be pointed out that being familiar with the field
Range of any change that technical staff does a specific embodiment of the invention all without departing from claims of the present invention.
Correspondingly, the scope of the claims of the invention is also not limited only to previous embodiment.
Claims (10)
1. a kind of wireless charging method, the method is applied in wireless charging system, and the wireless charging system includes control
Device, transmitting coil and sensor, multiple transmitting coils form transmitting coil arrays, the controller respectively with the transmitting
Coil and sensor electrical connection；It is characterized in that, the described method comprises the following steps:
S1, the type for obtaining receiving coil on electric car to be charged；
S2, corresponding position of the receiving coil of the sensor detection on the transmitting coil array is obtained；
S3, the corresponding position according to the type and the receiving coil of the receiving coil on the transmitting coil array, from
Multiple objective emission coils are determined in the transmitting coil array；
S4, the objective emission coil is grouped according to the type of the receiving coil；
S5, the electric current that out of phase is passed through into the objective emission coil of different grouping, make the receiving coil to described electronic
The battery of automobile charges.
2. a kind of wireless charging method according to claim 1, which is characterized in that the method also includes:
Obtain the charge information of the batteries of electric automobile；
Judge whether charging is completed according to the charge information；
When charging is complete, control disconnects the electric current of the objective emission coil.
3. a kind of wireless charging method according to claim 1 or 2, which is characterized in that described according to the receiving coil
Corresponding position on the transmitting coil array of type and the receiving coil, determination is more from the transmitting coil array
A objective emission coil includes:
According to the type of the receiving coil, corresponding position place of the receiving coil on the transmitting coil array is analyzed
The spatial magnetic field needed；
According to the spatial magnetic field, will be generated needed for the magnetic line of force of the spatial magnetic field in the transmitting coil array
Transmitting coil as objective emission coil.
4. a kind of wireless charging method according to claim 3, which is characterized in that the class according to the receiving coil
It includes: the spatial magnetic field magnetic for needing to generate according to the target coil that type, which is grouped the objective emission coil,
The direction of the line of force is grouped the objective emission coil.
5. a kind of wireless charging method according to claim 3, which is characterized in that the objective emission coil includes first
Objective emission coil and the second objective emission coil, the first object transmitting coil be the transmitting coil array in it is described
Transmitting coil in the projection coincidence of receiving coil and projection frame favored area, the second objective emission coil are the emission lines
It encloses in array and is located at the transmitting coil on first object transmitting coil periphery.
6. a kind of wireless charging method according to claim 1 or 2, which is characterized in that the target of each grouping is sent out
The number of ray circle is identical.
7. a kind of wireless charging method according to claim 1 or 2, which is characterized in that described according to the receiving coil
Corresponding position on the transmitting coil array of type and the receiving coil, determination is more from the transmitting coil array
A objective emission coil further include:
Obtain the charge power of electric car to be charged；
The number of objective emission coil is determined according to the charge power.
8. a kind of wireless charging method according to claim 1 or 2, which is characterized in that the target to different grouping
The electric current that out of phase is passed through in transmitting coil includes: to be passed through electric current into the objective emission coil of grouping described in each adjacent two
Phase difference it is identical.
9. a kind of wireless charging control device, which is characterized in that described device includes:
Acquiring unit, for obtaining the type of receiving coil on electric car to be charged；
First determination unit, for obtaining pair of the receiving coil of the sensor detection on the transmitting coil array
Answer position；
Second determination unit, for the type and the receiving coil according to the receiving coil in the transmitting coil array
Corresponding position, multiple objective emission coils are determined from the transmitting coil array；
Grouped element, for being grouped according to the type of the receiving coil to the objective emission coil；
Control unit makes the receiving coil for being passed through the electric current of out of phase in the objective emission coil to different grouping
It charges to the battery of the electric car.
10. a kind of wireless charging control device according to claim 9, which is characterized in that
The acquiring unit is also used to obtain the charge information of the batteries of electric automobile；
Described device further includes judging unit, for judging whether charging is completed according to the charge information；
Described control unit is also used to when charging is complete, and control disconnects the electric current of the objective emission coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314588.0A CN110040011B (en) | 2019-04-18 | 2019-04-18 | Wireless charging method and control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314588.0A CN110040011B (en) | 2019-04-18 | 2019-04-18 | Wireless charging method and control device |
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| CN110040011A true CN110040011A (en) | 2019-07-23 |
| CN110040011B CN110040011B (en) | 2021-06-22 |
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Cited By (4)
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| CN110816323A (en) * | 2019-10-30 | 2020-02-21 | 南京航空航天大学 | Automobile wireless charging system and method based on transmitting coil array focusing |
| CN113022335A (en) * | 2019-12-24 | 2021-06-25 | 上海海拉电子有限公司 | Wireless quick charging system and method for electric automobile |
| CN113346634A (en) * | 2021-06-23 | 2021-09-03 | 中国科学技术大学 | Method and system for increasing total energy transmission amount in magnetic resonance charging system |
| CN113612315A (en) * | 2021-09-17 | 2021-11-05 | 维沃移动通信有限公司 | Wireless charging seat, control method and control device thereof and electronic equipment |
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| CN110040011B (en) | 2021-06-22 |
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