CN108382242A - Electric vehicle is wireless fast charge method - Google Patents
Electric vehicle is wireless fast charge method Download PDFInfo
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- CN108382242A CN108382242A CN201810211891.3A CN201810211891A CN108382242A CN 108382242 A CN108382242 A CN 108382242A CN 201810211891 A CN201810211891 A CN 201810211891A CN 108382242 A CN108382242 A CN 108382242A
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- Prior art keywords
- wireless
- charging
- electric vehicle
- transmitter module
- wireless transmitter
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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
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
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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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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of wireless fast charge method of electric vehicle comprising：The wireless receiving module of the vehicle body side setting of the first wireless transmitter module and electric vehicle of wireless charging frame establishes communication connection in certain distance, and the first wireless transmitter module starts charging, outside emitted energy；The wireless receiving module of electric vehicle receives the energy of the first wireless transmitter module transmitting, and is stored into rechargeable battery after being converted；Simultaneously, under driving of the controller to motor, the second wireless transmitter module on Telescopic rotary holder carries out alignment function with wireless receiving module, after detecting that the spacing of the second wireless transmitter module and wireless receiving module meets preset value, then stop being aligned, second wireless transmitter module starts charging, outside emitted energy.By the way that two wireless transmitter modules are arranged, one is fixed on wireless charging frame the present invention, and a wireless receiving module that automobile side is closely set to by Telescopic rotary bridge joint has been greatly improved charge efficiency.
Description
Technical field
The present invention relates to the rapid nitridings of electric vehicle.
Background technology
Development of EV is the available strategy of universally acknowledged alleviation energy shortage and environmental pollution, China is come
It says, and seems most important.By taking the consumption of petroleum in China as an example, about 2.04 hundred million tons of net oil import in 2009, import is interdependent
Degree is up to 52%, far more than international warming line standard 35%.Wherein fuel oil for vehicles consumption accounts for the last 1/3 of total consumption of petroleum.Therefore, it opens
Electric vehicle is sent out and promoted, fuel consumption is reduced, to alleviating China's environmental pollution, ensureing that energy security and supply and country can
Sustainable development has important strategic importance.And the most important factor of the development of electric vehicle is restricted at present, it is exactly wireless charging
The problem of electricity, is limited by charge efficiency, the storage capacity of rechargeable battery, existing electric vehicle does not obtain enough development.
Existing electric vehicle, general charging method are to build the bases such as electric automobile charging station and charging network to set
It applies.In existing electric automobile charging station, when charging using the electric vehicle of wireless charging mode, need that car bottom will be arranged in
Wireless receiving plate is aligned with the wireless transmission plate for being arranged in ground, just can guarantee the maximization of charge efficiency.For example, an application
Number patent of invention for being 201080058025.7, discloses a kind of wireless charging system for electric vehicle and charging method, fills
Electric system includes：Power control unit is set to wireless charging institute and controls all Contactless power transmission devices；It is set to and stops
The Contactless power transmission device and ground close range wireless communication module in vehicle region；Contactless power transmission device, with multiple numbers
Amount is set to the ground of parking area, selection operation with the opposite part wireless transmission panel of the charge information of electric vehicle；
And the multiple wireless transmission panels that can be lifted are installed in the bottom of electric vehicle, have wireless power in electric vehicle
Receiver and wireless charging terminal and close range wireless communication module and charge controller, pass through wireless charging terminal driver's
The optimization of wireless charging is realized in selection.The patent is disposed with multiple receiving coils in car bottom, when vehicle is parked on charging parking stall
Optimization wireless charging is realized by the receiver board of optimal driver selection effect afterwards.That is, when electric vehicle charges,
It also needs to be fixed in specific position and can be only achieved optimal effectiveness.The patent transmitter receiving apparatus oplimal Location realization on by
It is identified below, first, needing driver to carry out the suitable receiver board of artificial selection carrys out work, second is that underbody arrange multiple receiver boards at
This costliness.
Further more, one application No. is 201611032986.6 patent of invention, a kind of side of electric vehicle charging is disclosed
Method, apparatus and system, after the plug of charging pile accesses the socket of electric vehicle, the electric vehicle detects charging modes；When
Detect A+When having high level on line, the electric vehicle, which determines, uses DC charging mode；The electric vehicle is via the A+
Line receives the charging pile charging；Alternatively, when detecting that when having high level on CP lines, the electric vehicle is determined to be filled using exchange
Electric mode；The electric vehicle receives the charging pile via the CP lines and charges.When electric vehicle needs urgent charging, fill
Electric stake may be used DC charging mode and charge to electric vehicle；When electric vehicle need not promptly charge, charging pile can be with
It is charged to electric vehicle using AC charging mode.Two kinds of charging modes are capable of providing, according to filling needed for actual needs selection
Electric mode, charging modes are flexible, disclosure satisfy that the demand promptly to charge to electric vehicle temporarily.
Above-mentioned patent is arranged using fixed charging to charge.And the most basic purpose of wireless charging is certainly
By, but from above-mentioned patent and the prior art it is found that current charging method cannot achieve free charging substantially.
For this purpose, one application No. is the patent of invention of 201320840488.X, discloses and filled in a kind of electric automobile during traveling
Electric system, including the charging incoming end being set in electric vehicle and the charging for being layed in track or being set up in lane side edge
Emission source, charging incoming end are connect with the power battery in electric vehicle, are to adopt between the charging incoming end and charging emission source
With the wireless charging mode of electromagnetic induction principle.Although the charging system of invention design can be filled in electric automobile during traveling
Electricity, charging while, do not influence the traveling of automobile, solve that electric vehicle course continuation mileage is short and charging time length needs to wait etc.
Problem.But the patent when specifically used needs that a dedicated track, the full line in the track is arranged for electric vehicle
Bottom be equipped with radio energy emitter, charge for the electric vehicle in traveling.Although this kind of mode is in theory
It is upper feasible, but in actual mechanical process, there is following defect：1, whole track laying radio energy emitter has skill
Realization difficulty in art and practice of construction；2, cost is excessively high, can only small range implement, it is difficult to it is universal；3, whole track laying without
Line electric energy transmission device, on this track in driving process, radio energy emitter is bound to be constantly in electric vehicle
Transmitted power status, does not only result in the big lossy of energy, and if when human or animal or other vehicles are accidentally rushed wherein, may
It can cause some potential safety problems.
Invention content
The brief overview about the embodiment of the present invention is given below, in order to provide about certain aspects of the invention
Basic comprehension.It should be appreciated that outlined below is not the exhaustive general introduction about the present invention.It is not intended to determine this hair
Bright key or pith, nor is it intended to limit the scope of the present invention.Its purpose only provides certain in simplified form
A little concepts, in this, as the preamble in greater detail discussed later.
According to the one side of the application, a kind of wireless fast charge method of electric vehicle, creative proposition needle are provided
To the wireless charging frame for the packaged type that the side of electric vehicle is charged, can be provided for electric vehicle it is a kind of it is free, can
Capable, safe charging modes.
Specifically, a kind of wireless fast charge method of electric vehicle of the present invention, wirelessly quickly fills applied to electric vehicle
Electric system, the electric vehicle is wireless quick charging system includes there is wireless transmitter module, communication module and controller it is wireless
Charging rack and the electric vehicle of wireless receiving module is set in vehicle body side, wireless transmitter module and communication module with control
Device processed is electrically connected；Wireless transmitter module and wireless receiving module establish connection in certain distance, and start as electric vehicle
Rechargeable battery charging；Wherein, it is additionally provided with a Telescopic rotary holder on the wireless charging frame and drives the scalable rotation
Turn holder and execute flexible and rotation process motor, which is controlled by controller；The wireless transmitter module includes being set to nothing
The first wireless transmitter module on line charging rack and the second wireless transmitter module on Telescopic rotary holder；It is described can
(for accommodating entire Telescopic rotary holder in the container that one end of Telescopic rotating holder is fixed on wireless charging frame ontology
Container), the other end be arranged the second wireless transmitter module；The charging method includes following procedure：
Step 1：Electric vehicle is equipped with the corresponding communication device of communication module of wireless charging frame, when wireless charging frame
When communication module receives the default signal of communication of the communication device of electric vehicle, assert that electric vehicle enters wireless charging frame
Chargeable range then wakes up wireless transmitter module from dormant state；
Step 2：The wireless receiving of the vehicle body side setting of the first wireless transmitter module and electric vehicle of wireless charging frame
Module establishes communication connection in certain distance, and the first wireless transmitter module starts charging, outside emitted energy；Electric vehicle
Wireless receiving module receives the energy of the first wireless transmitter module transmitting, and is stored into rechargeable battery after being converted；
Meanwhile under driving of the controller to motor, the second wireless transmitter module on Telescopic rotary holder with it is wireless
Receiving module carries out alignment function, when detecting that the spacing of the second wireless transmitter module and wireless receiving module meets preset value
Afterwards, then stop being aligned, the second wireless transmitter module starts charging, outside emitted energy；Electric vehicle receives the second wireless transmission
The energy of module transmitting, and stored into rechargeable battery after being converted；
Step 3：After electric vehicle sails out of the radiation scope of the wireless charging frame, then the first wireless transmitter module and the second nothing
Line transmitting module is again introduced into dormant state, does not recharge；And Telescopic rotary holder withdraws the container of wireless charging frame.
The present invention uses the above process, by the way that the wireless charging frame of packaged type is arranged, is filled because it carries out side to automobile
Electricity greatly reduces construction cost and difficulty of construction without being laid with underground job；And mobile wireless charging frame, more just
Electric vehicle freely charge；Meanwhile two wireless transmitter modules are set, one is fixed on wireless charging frame, one
It is closely set to the wireless receiving module of automobile side by Telescopic rotary bridge joint, has been greatly improved charge efficiency.Special circumstances
Under, the first wireless transmitter module or the second wireless transmitter module can be made to work independently by reprogramming.In addition, general feelings
Under condition, system in a dormant state, and detects that electric vehicle drives into the radiation of a certain wireless charging frame by its communication device
When range, system enters working condition, and the first wireless transmitter module then charges to it when being ready to, and the second wireless transmission
Module then extends in Telescopic rotary frame and charging ranks is added in pre-determined distance；Sail out of the radiation scope of the wireless charging frame with
Afterwards, then charge closing.Cost is not only greatly saved in it through the above scheme, it is thus also avoided that energy loss, and dormant state
Under system any safety problem is there will not be, for other vehicles or humans and animals in wireless charging frame peripheral to solve
It has determined problem described in background technology.
Description of the drawings
Fig. 1 is the schematic diagram of the wireless quick charging system of electric vehicle of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Specifically, the wireless fast charge method of electric vehicle of the present invention, is applied to the wireless quick charge system of electric vehicle
System.Fig. 1 is participated in, the electric vehicle is wireless, and quick charging system includes with the first wireless transmitter module 101, the second wireless transmission
The wireless charging frame 100 of module 102, communication module 103 and controller 104 and vehicle body side be arranged wireless receiving module
201 electric vehicle 200, wireless transmitter module and communication module 103 are electrically connected with controller 104；First wireless transmission
Module 101, the second wireless transmitter module 102 and wireless receiving module 201 establish connection in certain distance, and start to be electronic
The rechargeable battery 202 of automobile 200 charges；Wherein, it is additionally provided with a Telescopic rotary holder 105 on wireless charging frame 100 and drives
It moves the Telescopic rotary holder 105 and executes flexible and rotation process motor, which is controlled by controller 104；Wireless transmission
Module include be set to wireless charging frame 100 on the first wireless transmitter module 101 and on Telescopic rotary holder 105
Second wireless transmitter module 102；The container on 100 ontology of wireless charging frame is fixed in one end of Telescopic rotary holder 105
The second wireless transmitter module 102 is arranged in interior (container for accommodating entire Telescopic rotary holder 105), the other end；
In the present embodiment, using two wireless transmitter modules, in practice, more wireless transmitter modules can also be used and come in fact
It is existing.In the present embodiment, in order to coordinate the wireless charging module of electric vehicle, the first wireless transmitter module 101, the second wireless transmission
The height from the ground of the setting of module 102 is slightly same, and position is one in front and one in back (front and back is for opposite electric vehicle)：Wirelessly
Charging rack is equipped with the container for Telescopic rotary holder 105, after the first wireless transmitter module 101 is set to container, the
Two wireless transmitter modules 102 are set to the free end of the Telescopic rotary holder 105 in container, and with Telescopic rotary holder
105 rotation/stretch close to the wireless charging module of electric vehicle, so that the two position is more nearly, substantially increases and fills
Electrical efficiency.
The charging method includes following procedure：
Step 1：Electric vehicle 200 is equipped with the 103 corresponding communication device 203 of communication module of wireless charging frame 100, when
When the communication module 103 of wireless charging frame 100 receives the default signal of communication of communication device 203 of electric vehicle 200, assert
Electric vehicle 200 enters the chargeable range of wireless charging frame 100, then wakes up wireless transmitter module from dormant state；
Step 2：What the first wireless transmitter module 101 of wireless charging frame 100 and the vehicle body side of electric vehicle 200 were arranged
Wireless receiving module 201 establishes communication connection in certain distance, and the first wireless transmitter module 101 starts charging, emits outward
Energy；Electric vehicle 200 receives the energy of the first wireless transmitter module 101 transmitting, and is stored after being converted and arrive rechargeable battery
In 202；
Meanwhile under driving of the controller 104 to motor, the second wireless transmitter module on Telescopic rotary holder 105
102 carry out alignment function with wireless receiving module 201, when detecting the second wireless transmitter module 102 and wireless receiving module 201
Spacing meet preset value after, then stop being aligned, the second wireless transmitter module 102 start charging, outside emitted energy；Electronic vapour
Vehicle 200 receives the energy of the second wireless transmitter module 102 transmitting, and is stored into rechargeable battery 202 after being converted；Wherein,
Controller, can be by the auxiliary of sensor or the auxiliary of camera, here no longer to the rotation of Telescopic rotary frame and flexible
It is described in detail.
Two wireless transmitter modules are arranged in the present embodiment, and one is fixed on wireless charging frame, and one passes through scalable rotation
Pivoted frame has been greatly improved charge efficiency close to the wireless receiving module 201 set on automobile side.Under special circumstances, can lead to
Reprogramming is crossed, the first wireless transmitter module 101 or the second wireless transmitter module 102 is made to work independently；Such as in some spies
Different occasion is needed further to reduce magnetic radiation, is then worked independently only with the second wireless transmitter module 102.
Step 3：After electric vehicle 200 sails out of the radiation scope of the wireless charging frame 100, then the first wireless transmitter module
101 and second wireless transmitter module 102 be again introduced into dormant state, do not recharge；And Telescopic rotary holder 105 is withdrawn wirelessly
The container of charging rack 100.Meanwhile controller 104 by the rechargeable battery 202 of this electric vehicle 200 in wireless charging frame
100 charge parameter is sent to cloud database preservation, and wherein charge parameter includes at least charging times n, charging current a [n]
(charging current of charging is a (1) for the first time, and so on, the charging times of n-th are denoted as a (n), a [n]=(a (1), a
(2) ... a (n))), charging duration b [n] (b [n]=(b (1), b (2) ... b (n))), electricity c [n] (c [n]=(c before charging
(1), c (2) ... c (n))), charging after electricity d [n] (d [n]=(d (1), d (2) ... d (n))) and wireless charging frame 100
101 discharge current e [n] of the first wireless transmitter module (e [n]=(e (1), e (2) ... e (n))), the first wireless transmitter module
101 discharge time f [n] (f [n]=(f (1), f (2) ... f (n))), the second wireless transmitter module 102 charging current g [n] (g
[n]=(g (1), g (2) ... g (n))), the second wireless transmitter module 102 charge duration h [n] (h [n]=(h (1), h
(2) ... h (n))), may include additionally charging environment such as temperature, humidity etc..
After multiple charging, then one group of charge parameter data are obtained, then calculate the energy storage efficiency x of the rechargeable battery：Storage
It can efficiency x=k × (charging current × charging duration) ÷ (wireless transmitter modules of the first wireless transmitter module discharge current × first
The wireless transmitter module discharge time of discharge time the+the second wireless transmitter module discharge current × second) × 100%.
Wherein, k is correction factor, can be calculated and be obtained by empirical data, such as (is more than or wait when charging times are enough
In preset value), k=∑s (electricity c [n] before electricity d [n]-chargings after charging) ÷ (charging current a [n] × charging duration b [n])
÷ n, wherein ∑ (electricity c [n] before electricity d [n]-chargings after charging) ÷ (charging current a [n] × charging duration b [n])=it (fills
Electricity c (1) before electricity d (1)-chargings after electricity) ÷ (charging current a (1) × charging duration b (1))+((2) electricity d after charging-it fills
(2) electricity c before electricity) ÷ (charging current a (2) × charging duration b (2))+...+(electricity c before electricity d (n)-chargings after charging
(n)) ÷ (charging current a (n) × charging duration b (n)) takes when charging times are less than preset value, and k can also be by experimental data
It obtains, such as (is less than preset value) when charging times are less, k takes the value in the section [0.83-0.95].
In addition, the rechargeable battery of electric vehicle be equipped with unique identification, the unique identification can be by hardware realization,
It also can be by software realization.In step 1, the communication module 103 of wireless charging frame 100 receives the communication device of electric vehicle 200
203 default signal of communication, or communication module 103 and electric vehicle 200 by wireless charging frame 100 communication device
After 203 other schemes to match establish communication connection, received default signal of communication is sent to control by communication module 103
Device 104 processed, the default signal of communication include at least the unique identification of rechargeable battery 202, and controller 104 receives default communication
After signal, the unique identification of rechargeable battery 202 is parsed, and search for cloud database, is selected according to its energy storage efficiency
Charging modes.
In the present embodiment, charging modes include carrying out AC charging to electric vehicle, and carry out direct current to electric vehicle
Charging.When practical construction wireless charging frame 100, to turn the form of movable type into, to facilitate freely charging for electric vehicle,
The power module 106 of wireless charging frame 100 can lead to wireless charging by power cord from transformer side draw electricity via low-voltage cable
At frame 100, then to electric vehicle 200 carries out AC charging (general exchange be trickle charge) or DC charging (general direct current is fast
It fills).In experiment, the environmental factors such as charging temperature, humidity and the damages such as the reaction of battery rechargeable electrochemical and heat management system are considered
Consumption condition is protection rechargeable battery to increase its service life, does following intelligent charge adjustment：As energy storage efficiency x≤10%,
By the way of direct current charge, when 10%<X≤30% works as x by the way of exchanging trickle charge>30%, using direct current charge
Mode.
In addition, in the above process, the first wireless transmitter module, the second wireless transmitter module and wireless receiving module can pass through
Wireless charging is realized in electric wave, induction or resonance.For example, when using coil-induced realization wireless charging, first wireless transmission
Module and the first wireless transmitter module include：Control unit, the first communication unit, power supply unit and transmitting coil；Wireless receiving
Module includes the second communication unit, receiving coil, energy conversion unit and rechargeable battery；When transmitting energy, power module receives
The alternating current of alternating current, the energy for being converted into needing by high-frequency inversion, and launched by transmitting coil；Electric vehicle connects
Take-up circle receives the energy of transmitting coil transmitting, and is stored into rechargeable battery after it is converted by energy conversion unit.
Under normal circumstances, system is in a dormant state.In use, by the interaction of communication device and communication module, learn
Electric vehicle enters the radiation scope of wireless charging frame, then system enters working condition by dormant state；And when electric vehicle is opened
To after wireless charging frame suitable distance, the first wireless transmitter module then charges to it when being ready to；At this point, the second nothing
Line transmitting module then extends under the control of the controller Telescopic rotary frame to be then added from wireless receiving module pre-determined distance
Charge ranks, and the second wireless transmitter module and wireless receiving module closely transmit energy, are greatly improved transfer efficiency.When
Electric vehicle sails out of after the radiation scope of the wireless charging frame, then charge closing.It is not only greatlyd save through the above scheme
Cost, it is thus also avoided that energy loss, and the system under dormant state, for other vehicles or humans and animals in wireless charging
Electric frame peripheral there will not be any safety problem, to solve the problems, such as described in background technology.
To sum up, the present invention uses the above method, not only has very high feasibility, but also implement more simple, easily
It is promoted in large-scale, there is good practicability.
Although specifically showing and describing the present invention in conjunction with preferred embodiment, those skilled in the art should be bright
In vain, it is not departing from the spirit and scope of the present invention defined by the appended claims, it in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (8)
1. a kind of wireless fast charge method of electric vehicle, it is characterised in that：Applied to the wireless quick charging system of electric vehicle,
The electric vehicle is wireless quick charging system the includes wireless charging frame with wireless transmitter module, communication module and controller,
And the electric vehicle of wireless receiving module is set in vehicle body side, wireless transmitter module and communication module are electrical with controller
Connection；Wireless transmitter module and wireless receiving module establish connection in certain distance, and start the charging electricity for electric vehicle
It charges in pond；Wherein, it is additionally provided with a Telescopic rotary holder on the wireless charging frame and the Telescopic rotary holder is driven to hold
The flexible motor with rotation process of row, the motor are controlled by controller；The wireless transmitter module includes being set to wireless charging frame
On the first wireless transmitter module and the second wireless transmitter module on Telescopic rotary holder；The Telescopic rotary
One end of holder is fixed in the container on wireless charging frame ontology, and the second wireless transmitter module is arranged in the other end；It charges
Method includes：
Step 1：Electric vehicle is equipped with the corresponding communication device of communication module of wireless charging frame, when the communication of wireless charging frame
When module receives the default signal of communication of the communication device of electric vehicle, assert that electric vehicle enters the charging of wireless charging frame
Range then wakes up wireless transmitter module from dormant state；
Step 2：The wireless receiving module of the vehicle body side setting of the first wireless transmitter module and electric vehicle of wireless charging frame
Communication connection is established in certain distance, the first wireless transmitter module starts charging, outside emitted energy；Electric vehicle it is wireless
Receiving module receives the energy of the first wireless transmitter module transmitting, and is stored into rechargeable battery after being converted；
Meanwhile under driving of the controller to motor, the second wireless transmitter module on Telescopic rotary holder and wireless receiving
Module carries out alignment function, after detecting that the spacing of the second wireless transmitter module and wireless receiving module meets preset value, then
Stop alignment, the second wireless transmitter module starts charging, outside emitted energy；Electric vehicle receives the second wireless transmitter module hair
The energy penetrated, and stored into rechargeable battery after being converted；
Step 3：After electric vehicle sails out of the radiation scope of the wireless charging frame, then the first wireless transmitter module and second is wirelessly sent out
It penetrates module and is again introduced into dormant state, do not recharge；And Telescopic rotary holder withdraws the container of wireless charging frame.
2. the wireless fast charge method of electric vehicle according to claim 1, it is characterised in that：In the step 3, work as electricity
After electrical automobile sails out of the radiation scope of the wireless charging frame, controller is by the charge parameter of the rechargeable battery of this electric vehicle
It is sent to cloud database preservation.
3. the wireless fast charge method of electric vehicle according to claim 2, it is characterised in that：The charge parameter is at least
Including charging times n, charging current a [n]=(a (1), a (2) ... a (n)), charging duration b [n]=(b (1), b (2) ... b
(n)) electricity c [n]=(c (1) before, charging, c (2) ... c (n)), charging after electricity d [n]=(d (1), d (2) ... d (n))
And the first wireless transmitter module discharge current e [n] of wireless charging frame=(e (1), e (2) ... e (n)), the first wireless hair
Penetrate module discharge time f [n]=(f (1), f (2) ... f (n)), the second wireless transmitter module charging current g [n]=(g (1), g
(2) ... g (n)), the second wireless transmitter module charging duration h [n]=(h (1), h (2) ... h (n)).
4. the wireless fast charge method of electric vehicle according to claim 3, it is characterised in that：The electric vehicle fills
Battery is equipped with unique identification.
5. the wireless fast charge method of electric vehicle according to claim 4, it is characterised in that：In the step 1, wirelessly
The communication module of charging rack receives the default signal of communication of the communication device of electric vehicle, and communication module will be received pre-
If signal of communication is sent to controller, which includes at least the unique identification of rechargeable battery, and controller receives
To after default signal of communication, the unique identification of rechargeable battery is parsed, and search for cloud database, is imitated according to its energy storage
Rate selects charging modes.
6. the wireless fast charge method of electric vehicle according to claim 5, it is characterised in that：The energy storage of rechargeable battery is imitated
Rate x calculates as follows：
(the first wireless transmitter module discharge current × the first wirelessly sends out energy storage efficiency x=k × (charging current × charging duration) ÷
Penetrate the wireless transmitter module discharge time of module discharge time the+the second wireless transmitter module discharge current × second) × 100%；
Wherein, k is correction factor.
7. the wireless fast charge method of electric vehicle according to claim 6, it is characterised in that：
When charging times are greater than or equal to preset value, k=∑s (electricity c [n] before electricity d [n]-chargings after charging) ÷ (chargings
Electric current a [n] × charging duration b [n]) ÷ n；
When charging times are less than preset value, k takes the value in the section [0.83-0.95].
8. the wireless fast charge method of electric vehicle described according to claim 6 or 7, it is characterised in that：
As energy storage efficiency x≤10%, by the way of DC charging；
When 10%<X≤30%, by the way of AC charging；
Work as x>30%, by the way of DC charging.
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