CN110014905A

CN110014905A - Wireless charging control method and the power supply unit for using this method

Info

Publication number: CN110014905A
Application number: CN201810887506.7A
Authority: CN
Inventors: 张诊洙
Original assignee: Hyundai Motor Co; Kia Motors Corp
Current assignee: Hyundai Motor Co; Kia Corp
Priority date: 2017-08-07
Filing date: 2018-08-06
Publication date: 2019-07-16
Anticipated expiration: 2038-08-06
Also published as: KR102558180B1; CN110014905B; KR20190015986A

Abstract

This disclosure relates to a kind of wireless charging control method and the power supply unit using this method.Including at least one charging panel and passing through the wireless charging control method executed in the power supply unit that at least one charging panel is powered to EV, may include: to establish communication link with EV；The essential information about at least one charging panel is sent to EV；It receives about when EV will leave the departure time information of charging station；Send the information of the output power about at least one charging panel and about at least one in the information of the charging expense of at least one charging panel；The scheduling information of EV is received from EV；And it is powered according to scheduling information to EV.

Description

Wireless charging control method and the power supply unit for using this method

Cross reference to related applications

This application claims in the South Korea patent application 10- submitted to Korean Intellectual Property Office (KIPO) on the 7th of August in 2017 No. 2017-0099815 and submitted on June 7th, 2018 to Korean Intellectual Property Office No. 10-2018-0065625 it is preferential Power, for all purposes, their full content is incorporated herein by reference.

Technical field

This disclosure relates to for control wireless charging method and using the equipment of this method, for controlling electric vehicle (EV) method of wireless charging and the equipment for using this method relate more specifically to the power supply capacity by considering charging station With charging expense change come optimally control the method for wireless charging and using the power supply unit of this method, for controlling EV's The method of wireless charging and the charge control apparatus for using this method.

Background technique

Electric vehicle (EV) charging system can be essentially defined as by using energy storage equipment or source power supply The system that the electric power of power grid charges to the high-tension battery being mounted on EV.According to the type of EV, this EV charging system can With various forms.For example, EV charging system can be classified as conductivity type and the non-contact type wireless electricity using charging cable Power transmits (WPT) type (also referred to as " induction type ").

In the case where multiple wireless charging boards are connected to the single charger in EV charging station, it is understood that there may be due to charging The export-restriction of device and cannot simultaneously to multiple EV carry out wireless charging the problem of.

Summary of the invention

Embodiment of the present disclosure provides the wireless of a kind of power supply capacity in view of charging station and the variation of charging expense Charge control method.

Embodiment of the present disclosure additionally provides a kind of power supply unit using the wireless charging control method.

Embodiment of the present disclosure additionally provide it is a kind of by consider charging station power supply capacity and charging expense variation come Control the wireless charging control method of the EV of wireless charging.

Embodiment of the present disclosure additionally provides a kind of wireless charging electrical control equipment using the wireless charging control method.

According to embodiment of the present disclosure, is including at least one charging panel and powered by least one charging panel to EV Power supply unit in the wireless charging control method that executes may include: to establish communication link with EV；It is sent to EV about this extremely The essential information of a few charging panel；It receives about when EV will leave the departure time information of charging station；It sends about this The information of the output power of at least one charging panel and about in the information of the charging expense of at least one charging panel at least One；The scheduling information of EV is received from EV；And it is powered according to scheduling information to EV.

EV and power supply unit can exchange wireless charging related news according to International Organization for standardization (ISO) 15118.

Essential information may include being sent in service details response (ServiceDetailRes) message.

At least one in information about output power and the information about charging expense may include in charge parameter It was found that being sent in response (ChargeParameterDiscoveryRes) message.

It may include each at least one charging panel about the information of output power and the information about charging expense At least one of in a power output time started, peak power output, charging time started and price level.

Scheduling information may include being received in power transmission request (PowerDeliveryReq) message.

Scheduling information may include EV charging the time started, maximal input and charging the end time at least one ?.

The wireless charging control method may further include execution for pair between the receiver board and charging panel of EV Quasi- and pairing process, to go to the wireless power transmission of EV at least one charging panel.

Departure time information may include finding that request (ChargeParameterDiscoveryReq) disappears in charge parameter It is sent in breath.

When wireless charging control method may further include that remaining electric power is made available by during powering to EV, to EV Transmission renegotiates request.

Renegotiating request may include being sent in power transmission response (PowerDeliveryRes) message.

In addition, receiving electric power from the power supply unit for including at least one charging panel according to embodiment of the present disclosure The wireless charging control method executed in EV may include: to establish communication link with power supply unit；From power supply unit receive about The essential information of at least one charging panel；It sends about when EV will leave the departure time information of charging station；From power supply Equipment receives the information of the output power about at least one charging panel and about the charging expense of at least one charging panel Information at least one of；By using the information about output power and about at least one in the information of charging expense To execute scheduling；And scheduling information is sent to power supply unit.

Essential information may include being received in service details response (ServiceDetailRes) message.

Scheduling information may include being sent in power transmission request (PowerDeliveryReq) message.

In addition, according to embodiment of the present disclosure, including at least one charging panel and the power supply unit powered to EV can be with It include: the memory at least one instruction that at least one processor and storage are executed by least one processor.Moreover, this is extremely A few instruction can be configured to establish communication link with power supply unit；The basic letter about at least one charging panel is sent to EV Breath；Receive when EV will leave the departure time information of charging station；Send the output power about at least one charging panel Information and about in the information of the charging expense of at least one charging panel at least one of；The scheduling letter of EV is received from EV Breath；And it is powered according to scheduling information to EV.

Using embodiment of the present disclosure, allow in the charging station with limited power capacity based on all chargings The output power of plate executes the charging schedule of EV at any time, and can guarantee when another EV leaves charging station charging panel with Interoperability between this EV.Moreover, embodiment of the present disclosure can be realized by software modification, without additional hard Part configuration.

Detailed description of the invention

Embodiment of the present disclosure is described in detail by reference to attached drawing, embodiment of the present disclosure will become more to show and easy See, in the accompanying drawings:

Fig. 1 is to show the exemplary concept map of WPT system；

Fig. 2A and Fig. 2 B is the figure for showing multiple EV in routine EV charging station while the case where charging；

Fig. 3 is to show the exemplary figure of the chart of the charging panel related information messages according to embodiment of the present disclosure；

Fig. 4 is to show the figure of the message of information of peak power output and charging expense including charger；

Fig. 5 is to show the figure of the EV charging schedule message according to embodiment of the present disclosure；

Fig. 6 is the peak power output and charging expense about charging panel shown according to embodiment of the present disclosure The figure of information；

Fig. 7 is the wireless charging controlling party executed between EV and charger shown according to embodiment of the present disclosure The flow chart of method；

Fig. 8 be show when by according to the messages application of embodiment of the present disclosure when based on the message of ISO 15118 Message exchange flow figure；

Fig. 9 is to show to work as messages application in accordance with another embodiment of the present disclosure in based on ISO 15118 The figure of message exchange flow when message；

Figure 10 be show when by according to the messages application of the another embodiment of the disclosure in based on ISO 15118 The figure of message exchange flow when message；

Figure 11 be show when by according to the messages application of the another embodiment of the disclosure in based on ISO 15118 The figure of message exchange flow when message；

Figure 12 A to Figure 12 E is shown according to embodiment of the present disclosure based on EV scheduling information about charger With the figure of the information of the output power of corresponding charging panel；

Figure 13 is the charging based on charging panel output power and charging expense shown according to embodiment of the present disclosure The figure of dispatching method；

Figure 14 is the block diagram of the charge control apparatus in the EV shown according to embodiment of the present disclosure；And

Figure 15 is to show the block diagram of the power supply unit according to embodiment of the present disclosure.

It should be appreciated that above referenced, the drawings are not necessarily drawn to scale, and attached drawing, which presents, illustrates the substantially former of the disclosure The slightly simplified expression of the various preferred features of reason.Tool including such as specific dimensions, direction, the disclosure of location and shape Body design feature will be determined partly by specific intended application and use environment.

Specific embodiment

Disclosed herein is embodiment of the present disclosure.However, specific structure and function details disclosed herein are in order to describe The purpose of embodiment of the present disclosure and it is only representative, moreover, embodiment of the present disclosure can be with many substitution shapes Formula is implemented, and should not be construed as limited to embodiment of the present disclosure described in this paper.It is identical when describing each attached drawing Appended drawing reference indicate identical element.

It will be appreciated that though term " first ", " second " etc. can be used herein to describe various parts, but these Component should not be limited by these terms.These terms are only used to distinguish an element with another element.For example, not In the case where being detached from the scope of the present disclosure, the first component can be designated as second component, and similarly, and second component can be with It is designated as the first component.Term "and/or" includes any and all combinations in a related institute list.

It should be appreciated that it can be directly or indirectly connected to separately when component is referred to as " being connected to " another component One component.That is, for example, may exist intermediate member.On the contrary, when component is referred to as " being directly connected to " another component When, it should be understood that intermediate member is not present.

Terms used herein are only used for description embodiment, rather than limit the disclosure.Unless separately having within a context Definition, otherwise singular references include plural number statement.In the present specification, term "comprising" or " having " are for specifying in the presence of explanation Feature, quantity disclosed in book, step, operation, component, assembly unit or their combination, but do not preclude the presence or addition of one or A possibility that other multiple features, quantity, step, operation, component, assembly unit or their combination.

Unless otherwise defined, all terms including technology or scientific term are logical with those of ordinary skill in the art The identical meanings understood.It should be appreciated that term defined in usually used dictionary is interpreted as including and the prior art Otherwise the identical meaning of context implication is not interpreted preferably or excessively unless in addition explicitly define in the present specification Formal meaning.

According in embodiment of the present disclosure, EV charging system be can be essentially defined as being filled by using accumulation of energy It sets or system that the electric power of the power grid of source power supply charges to the high-tension battery being mounted on EV.According to the type of EV, this Kind EV charging system can have various forms.For example, EV charging system can be classified as using charging cable conductivity type and Non-contact type wireless power transmission (WPT) type (also referred to as " induction type ").

According in embodiment of the present disclosure, power supply may include house or public power service or utilize onboard fuel Generator etc..

Term used in the disclosure is defined as follows.

" electric vehicle EV ": for the automobile that is used on highway defined in 49 CFR 523.3, by from vehicle-mounted accumulation of energy The motor that device (such as battery) draws electric current provides power, which can be from vehicle external power (such as house or common electrical Power service or onboard fuel power electric generator) it recharges.EV can be primarily used for using and manufacturing on Communal Road, road Four-wheel or more wheel vehicle.

EV can be referred to as electric vehicle, electric car, electric road vehicle (ERV), plug-in vehicle (PV), plug-in vehicle (xEV) etc., and xEV can be classified as plug-in all-electric vehicle (BEV), battery electric vehicle, plug-in electric vehicle (PEV), hybrid electric vehicle (HEV), hybrid power plug-in electric vehicle (HPEV), plug-in hybrid electric vehicle (PHEV) Deng.

" plug-in electric vehicle, PEV ": the electric vehicle that vehicle-mounted primary cell is recharged by being connected to power grid.

" plug-in vehicle, PV ": without using physics plug or physical socket, by from electric vehicle power supply equipment (EVSE) wireless charging and the electric vehicle that can be recharged.

" heavy goods vehicles；H.D. vehicle ": any four-wheel as defined in 49CFR 523.6 or 49CFR 37.3 (bus) Or more wheeled vehicle.

" light-duty plug-in electric vehicle ": the motor by drawing electric current from chargeable storage or other energy source devices drives Dynamic three-wheel or four-wheel car is mainly used for travelling on Communal Road, road and highway, and gross vehicle load is rated for being less than 4545 kilograms.

" wireless charging system, WCS ": between GA and VA wireless power transmission and control (including be aligned and communicate) System.Energy is electromagnetically transferred to electric vehicle from supply network by two-piece type loosely coupled transformer by the system.

" WPT ": wireless power transmission passes through power transmission of the cordless from AC supply network to electric vehicle.

" communal facility ": one group of offer electric energy and may include customer information system (CIS), advanced measurement basis facility (AMI), the system of rate and income system etc..The communal facility can provide energy by Fee Schedule and discrete event for EV. Moreover, the communal facility can provide the information about the certification of EV, the interval of measurement of power loss and rate.

" intelligent charge ": EVSE and/or PEV and the communication system of power grids by reflection electrical network capacity or usage charges to be used to optimize EV Charging ratio or discharge ratio system.

" automatic charging ": vehicle be located at appropriate location corresponding with the primary charger component of electric power can be transmitted it Execute the program of induction charging automatically afterwards.Automatic charging can be executed after obtaining necessary certification and permission.

" interoperability ": the component of system and the corresponding component of the system interact to execute the targeted operation of system State.Moreover, Information Interoperability may mean that two or more networks, system, device, application or component can have Effect ground share and easily use information without the ability that causes inconvenience to the user.

" inductive charging system ": the system for being transmitted energy from power supply to EV by two-piece type gapped core transformer, In, the two halves (primary and secondary coil) of transformer are physically separated from each other.In the disclosure, inductive charging system can be right It should be in EV electrical power transmission system.

" inductive coupler ": the transformer formed by the coil in the coil and VA coil in GA coil, allow electricity every Electric power is transmitted from the case where.

" inductive coupling ": the magnetic coupling between two coils.In the disclosure, it is coupling between GA coil and VA coil It closes.

" terrestrial components, GA ": the component of base apparatus side, including GA coil, electric power/frequency translation unit and GA control Device and the wiring from power grid and between each unit, filter circuit, shell etc., they are used as wireless charging system Necessary to the power supply of system.GA may include communication device necessary to communicating between GA and VA.

" vehicle assembly, VA ": the component on vehicle, including VA coil, rectifier/power conversion unit and VA controller, And to Vehicular battery and the wiring between each unit, filter circuit, shell etc., they are used as wireless charging system Power supply necessary to.VA may include communication device necessary to communicating between GA in VA.

GA can be referred to as primary device (PD), and VA can be referred to as second unit (SD).

" primary device ": it provides and the contactless equipment coupled of second unit.That is, primary device can be Equipment outside EV.When EV just receives electric power, primary device can serve as the source for the electric power to be transmitted.Primary device can wrap Include shell and all lids.

" second unit ": the contactless equipment coupled of the offer being mounted on EV and primary device.That is, secondary Stage arrangement may be mounted in EV.When EV just receives electric power, electric power can be transferred to EV from primary device by second unit.It is secondary Stage arrangement may include shell and all lids.

" GA controller ": a part of GA adjusts the output power level to GA coil based on the information from vehicle.

" VA controller ": a part of VA monitors specific onboard parameter during charging, and start the communication with GA with Control output power level.

GA controller can be referred to as primary device communication controler (PDCC), and VA controller can be referred to as electronic Vehicle communication controller (EVCC).

" magnetic gap ": the higher plane in the top of the twisted wire in GA coil or the top of magnetic material, with VA line Vertical range when lower planar alignment in the bottom of the twisted wire in circle or the bottom of magnetic material.

" environment temperature ": the surface temperature of the air measured in the subsystem considered rather than under direct sunlight.

" vehicle ground clearance ": the vertical range between ground and the lowermost portion of vehicle floor.

" vehicle magnetism road clearance ": in the bottom for the twisted wire or magnetic material in VA coil being installed on vehicle Vertical range between lower plane and ground.

" VA coil magnetic surface distance ": the plane of nearest during installation magnetism or conductive component surface and VA coil The distance between lower external face.The distance includes any protective cover that can be encapsulated in VA solenoid housing and adds Article.

VA coil can be referred to as secondary coil, vehicle coil or receiving coil.Similarly, GA coil can be referred to as just Grade coil or transmitting coil.

" exposed conductive component ": can contact and usually no power but may become in case of a fault be powered electricity The conductive component of gas equipment (for example, electric vehicle).

" dangerous charging member ": harmful charging member to shock by electricity may be caused under certain conditions.

" charging member ": during normal use by any conductor or conductive component of energization.

" directly contact ": contact of the personnel with charging member.(referring to IEC61440)

" mediate contact ": personnel make the exposure charged, the contact of conduction and energized components with by insulation fault.(ginseng See IEC61440)

" alignment ": finding the relative position of primary device and second unit and/or finds second unit and primary device Relative position is to carry out the process that specified active power transmits.In the disclosure, alignment can guide wireless power transmission system The finely positioning of system.

" pairing ": vehicle process associated with unique dedicated primary device, at the position where the device and Electric power will be transmitted from the device.Pairing may include by the associated process of the GA controller of VA controller and charge point.Related/ Association process may include the process of the opening relationships between two peer-to-peer communications entities.

" order and control communication ": having exchanged for starting, control and termination WPT process between EV power supply unit and EV The communication of necessary information.

" high level communication (HLC) ": HLC is a kind of special digital communication.HLC is unlapped for ordering and controlling communication Additional Services are required.Power line communication (PLC) can be used in the data link of HLC, but not limited to this.

" low-power excitation (LPE) ": LPE refers to activation primary device to carry out the technology of finely positioning and pairing, so that EV It can detecte primary device, vice versa.

" service set identifier (SSID) ": SSID be include the header for being connected on wireless lan transmitted data packet 32 characters unique identifier.SSID identifies the basic service set (BSS) that wireless device attempts connection.SSID is distinguished Multiple Wireless LAN.Therefore, it is desirable to which all access points (AP) and all terminal/station arrangements using specific wireless LAN can make With identical SSID.BSS can not be added without using the device of unique SSID.Since SSID is shown as in plain text, it is thus possible to can not Any security feature is provided for network.

" extended service set identifier (ESSID) ": ESSID is the title of the personal network being desirably connected to.It is similar to SSID, but can be a wider concept.

" basic service set identifier (BSSID) ": the BSSID for being used to distinguish specific BSS including 48 bits.It is filled on basis In the case where setting BSS network, BSSID can be the media access control (MAC) of AP equipment.For independent BSS or self-organizing Network can be used any value and generate BSSID.

Charging station may include at least one GA and be configured as managing at least one GA controller of at least one GA.GA It may include at least one wireless communication device.Charging station can refer to the place at least one GA, and GA is mounted on family, does In public room, public place, road, parking area etc..

In addition, it will be appreciated that one or more of following methods or their aspect can be held by least one controller Row.Term " controller " may refer to include memory and processor hardware device.Memory is configured to storage program instruction, And processor is specifically programmed to execute program instructions, thereby executing the one or more processes being described further below.This Outside, it should be understood that as one of ordinary skill in the art will appreciate, following methods can be by including that the equipment of controller combines one A or multiple other components execute.

According in embodiment of the present disclosure, underloading driving or underloading operation may include for example, to being connected to WPT In the latter half charging that the high-tension battery of VA in system carries out, with the charging voltage lower than scheduled voltage rating to high pressure Battery charges.Moreover, underloading operation may include the low speed charger by using such as household charger with relatively low Voltage and low speed the case where charging to the high-tension battery of EV.

Hereinafter, it will be elucidated in more detail with reference to the drawing according to embodiment of the present disclosure.

Fig. 1 is to show the exemplary concept map of WPT system.

As described above, EV charging system may include being charged using charging cable and the conducting type of contactless WPT system System, but can be without being limited thereto.EV charging system can be essentially defined as by using energy storage equipment or commercial electricity The system that the electric power of the power grid in source charges to the high-tension battery being mounted on EV.According to the type of EV, this EV Charging System can have various forms.

SAE TIR J2954 is the leading standard of EV wireless charging, it establishes definition for testing light-duty EV's and PEV Interoperability, Electro Magnetic Compatibility, lowest performance, the guideline of safety and acceptance criteria of wireless charging.

According to SAE TIR J2954, with reference to Fig. 1, WPT system (also referred to as " EV WPT system ") may include in vehicle energy Measure the communal facility interface of charging/between storage system and the electric power converter for being connected to communal facility, RF power converter, Coupling coil, rectifier, filter, optional adjuster and communication device.Communal facility interface can be similar to for single-phase Or the conventional EVSE connection of three-phase AC power source.

EV WPT system can substantially include three blocks.First piece of electric power that may include GA coil 12, be connected to power grid Converter 11, and the communication module 13 with the communication link with Vehicular system.Second piece may include with rectification and filter The VA coil 21 of wave element, for adjusting, the charge control electronics 22 of safety and closing and with charging station side The communication module 23 of communication link.Third block may include secondary energy-storage system, battery management system (BMS) and for handing over Change about vehicle-carrying communication needed for the information of battery charge state (SOC) and charge rate and other necessary informations (for example, CAN, LIN etc.) module.

Fig. 2A and Fig. 2 B is the figure for showing multiple EV in routine EV charging station while the case where charging.

For example, as shown in Figure 2 A, if vehicle B request always exported with 75kW charging the charger for 150kW with 100kW executes WPT to vehicle A, then charger can be only to the power of vehicle B supply 50kW.In this case, if it is new Vehicle C enters charging station and requests to charge, as shown in Figure 2 B, since charger can no longer power, even if charging station has sky Not busy charging panel, vehicle C can not charge.

It in this case, should in order to when can be used to dispatch the charging to vehicle C by the electric power of prediction charger Identify that vehicle A or vehicle B completes the time point of charging.Accordingly, it may be desirable to reflect the charging schedule of existing vehicle The charging curve of charger and charging panel.Such case may increase when applying the late into the night of low charging expense or in charge requirement The place added more frequently occurs, and when considering together with the charging schedule function with each vehicle, situation may become more Add complexity.

As described above, when multiple wireless charging boards are connected to a charger in EV charging station, it may be due to charging The export-restriction of device and cannot simultaneously to multiple EV carry out wireless charging.

Fig. 3 is to show the exemplary figure of the chart of the charging panel related information messages according to embodiment of the present disclosure.

For example, Fig. 3 shows " service details respond (ServiceDetailRes) " message according to 15118 standard of ISO Chart example.ISO 15118 defines EV and for sending and receiving message between the charger of the wireless charging of EV And charge sequence.Specifically, ISO 15118 has standardized the communication between the EVCC of EV and the SECC of charger.Therefore, 15118 standard of ISO defines the various clothes of certification and verifying using EV charging service, wireless charging started or stopped etc. Business scene, and define the various message of the function for finely positioning, alignment inspection, pairing, electricity needs etc..

Wireless charging sequence associated with these message is observed, the EVCC of vehicle can be with charging when entering charging station The SECC foundation of device is in communication with each other, and can execute the verification process for wireless charging.At this point, EVCC can connect from SECC It receives service details and responds (ServiceDetailRes) message 3000, as shown in Figure 3, to confirm all chargings in charging station The essential information (also referred to as " charging panel relevant information ") of plate.The information of all charging panels in charging station can pass through such as Fig. 3 Shown in message set be sent to EV.

When user or driver are based on selecting charging panel from the received charging panel relevant information of charging station, can pass through The finely positioning scheme that charging panel is supported completes parking for EV.It, can be between EV and charging panel after completing the parking of EV Alignment is executed to check and match.

In embodiment of the present disclosure, exist in a charging station of the EV charging station with limited power capacity more In the case where a charging panel, the charging panel relevant information of the charging schedule information including other EV in charging station can be used for dispatching The EV newly entered.

Fig. 4 is to show the figure of the message of information of peak power output and charging expense including charger.

In order to execute WPT, EV and charger (or power supply unit) can exchange various message, and each pair of message can wrap Include the response message that the request message of charger is sent to by EV and is sent to EV by charger.

After above-mentioned alignment inspection and pairing, it can be exchanged between the EVCC 100 of EV and the SECC 200 of charger Message for charging schedule.With reference to Fig. 4, the message exchanged between the EVCC 100 of vehicle and the SECC 200 of charger can To be a pair of " charge parameter finds (ChargeParameterDiscovery) " message.Charge parameter discovery message can be use Their state and the message of configuration are exchanged before EV and charger between them actual transmissions electric power.

Specifically, " charge parameter discovery request " (ChargeParameterDiscoveryReq) message may include shape State information (EV state), the present energy deposit of such as EV, the power output time started of charger, charger maximum output Power, maximum acceptable electric current, power, voltage and EV energy capacity etc..EV can have found request message by charge parameter To the physics limit of charger notice EV.Charge parameter discovery request message can also provide EV in the form of percentage is requested Energy fluence (that is, EV energy request), expected energy fluence (that is, full SOC) when being completely filled with, in the charging end time of request Expected energy fluence (that is, main SOC) etc..

With reference to Fig. 4, the SECC 200 for receiving charge parameter discovery request message can be by " charge parameter discovery response " (ChargeParameterDiscoveryRes) message 4000 is by power output time started of such as charger, charger Peak power output, the charging time started, charger the information of price level etc. be sent to EVCC 100 so that EV can be with base Charging schedule is executed in the information.

Then, EVCC 100 can send " power transmission requests (PowerDeliveryReq) " message to SECC 200, And reception is in response to its " power transmission responds (PowerDeliveryRes) " message.

Even if the charging station for being connected to a charger with only one charging panel is based on about filling using the charging process The peak power output of electric appliance and the information of charging expense, can not go wrong in the charging schedule of EV.

However, in the case where will have the charger of multiple charging panels to be used to have the charging station of limited power capacity, Since the power output of plate is no more than the maximum power output of charger, only make in practical charge completion time and by EV There may be differences between the charge completion time calculated with the information of charger always exported.Moreover, if due to power supply The limitation of capacity may then need to execute tune by reflecting the charge completion time of other vehicles without available electric power Degree.

To solve the above-mentioned problems, embodiment of the present disclosure proposes a kind of maximum output by about each charging panel The method that the information of power and charging expense is transferred to EV.

Fig. 5 is to show the figure of the message for EV charging schedule according to embodiment of the present disclosure.

According to the embodiment of the present disclosure of Fig. 5, the EVCC 100 into the EV of charging station can be sent out by charge parameter Existing request message provides the departure time information (S510) about EV to charger.The EVCC 100 of EV can also be passed by electric power Request message is sent to provide charging schedule information to charger, the maximal input including the EV charging time started and EV (S520).Then, the SECC 200 of charger can the information based on departure time and charging schedule information about EV come pipe Reason and update are connected to the peak power output that all charging panels of charger change over time.In addition, charger (or SECC) The essential information of charging panel can be provided to other EV by the peak power output changed over time including each charging panel.

Fig. 6 is the peak power output and charging expense about charging panel shown according to embodiment of the present disclosure The figure of information.

With reference to Fig. 6, when new EV enters charging station, the SECC 200 of charger can be by the essential information of each charging panel It is supplied to new EV (S600).Here, the essential information of each charging panel may include the maximum output about each charging panel The information of power and charging expense.More specifically, the essential information of each charging panel may include the function of such as each charging panel Rate exports time started, the peak power output of each charging panel, the charging time started of each charging panel and each charging The information of the price level of plate.

The EV 100 that the charging relevant information about each charging panel has been received can be by based on a received letter Time needed for breath prediction charging executes the scheduling of charging, and sends charger for the charging schedule information of EV 100 200。

Meanwhile in embodiment of the present disclosure, when due to the EV to be charged such as there is no available power and existing, charging Device such as can notify at the EV to be charged when charging power can be used, so as to start to renegotiate charging.

Fig. 7 is the wireless charging controlling party executed between EV and charger shown according to embodiment of the present disclosure The flow chart of method.

Embodiment shown in fig. 7 can show the wireless charging message based on ISO 15118 EV and charger it Between message exchange flow.

In order to exchange message between EV and charger, the connection setup process for exchanging message can be first carried out (S710).It is then possible to then carry out for identification, certification and authorization process (S720).Here, the SECC of charger can be with Its own (that is, SECC can make EV identify SECC) is notified to EV, and executes certification to allow to check whether by charger pair EV charges.In general, SECC can impose charging expense if the user of EV or EV provides payments mechanism.For this purpose, EV EVCC can provide contract certificate or the user of EV to SECC can provide credit card, debit card, cash etc. to SECC.

It here, can according to the essential information (that is, charging panel relevant information) of all charging panels in the charging station of the disclosure To be sent to EV in identification, certification and licensing process.

Furthermore it is possible to execute the positioning of EV, alignment and pairing process (S730).In order to execute valid wireless charging, need Want EV relative to the alignment of the receiver board of the finely positioning of the charging panel of charger, the transmission board of charger and EV and they Between pairing.

It can also include target setting and charging schedule process according to the wireless charging method of embodiment of the present disclosure (S740) and charge circuit is controlled and is rescheduled process (S750).Moreover, according to the wireless charging of embodiment of the present disclosure Electric control method, which can be optionally included, renegotiates process (S760) for optimal charge.

In the embodiment of Fig. 7, by each process description to be sequentially performed, but this is only example, and And each process may be performed simultaneously or change their operation order to execute, and a process may include another During a.

Hereinafter, each process shown in fig. 7 will be more fully described with reference to Fig. 8 to Figure 11.

Fig. 8 be show when by according to the messages application of embodiment of the present disclosure when based on the message of ISO 15118 Message exchange flow figure.

With reference to Fig. 8, for establishing the connection setup process of communication between EVCC 100 and SECC 200 (that is, " sequence is logical Letter is established ") it may include for establishing the sequence of IP-based connection (that is, " sequence establishes IP-based connection ").Here, it uses Connecting the sequence established in IP-based may include " the application protocol request (supportedAppProtocolReq) of support " Message, " application protocol of support responds (supportedAppProtocolRes) " message, " session establishment request (SessionSetupReq) " message, and " session establishment responds (SessionSetupRes) " message.

Moreover, for identification, certification and authorization process (that is, " recognition sequence, certification and authorization ") may include " service It was found that request (ServiceDiscoveryReq) " message, " service discovery respond (ServiceDiscoveryRes) " message, " service details request (ServiceDetailReq) " message, " service details respond (ServiceDetailRes) " message, " clothes Business payment selection request (ServicePaymentSelectionReq) " message and " service payment Response to selection (ServicePaymentSelectionRes) " message.

According to embodiment of the present disclosure, the pass in service details response message can be included within based on ISO 15118 EVCC 100 (S711) is sent in the essential information of charging panel.Here, service details response message be SECC 200 in response to The message of EVCC 100 is sent to from the received service details request message of EVCC 100, and service details response message can To include the details of selected wireless charging service.Moreover, the essential information of charging panel may include about by charging station control The real-time peak power output of each of multiple charging panels of system and the information of charging expense.

Fig. 9 is to show to work as messages application in accordance with another embodiment of the present disclosure in based on ISO 15118 The figure of message exchange flow when message.

It can be in EVCC 100 and SECC in order to execute alignment and pairing between EV and the plate of charger with reference to Fig. 9 Exchange " finely positioning requests (FinePositioningReq) " message, " finely positioning response between 200 (FinePositioningRes) " message, " alignment checks request (AlignmentCheckReq) " message, " alignment inspection response (AlignmentCheckRes) " message, " pairing request (PairingReq) " message and " pairing response (PairingRes) " message.

Finely positioning request message and finely positioning response message can be used for starting and stopping position adjustment, can wrap Data needed for including the offset for calculating charger and EV according to used locating scheme.

Alignment check request message and alignment check response message can be exchanged between EV and charger for true Determine the alignment between the transmission board of charger and the receiver board of EV and is appropriate for the message that electric power is sent.

Pairing request message and pairing response message can be for executing the pairing process between transmission board and receiver board A pair of of message, and EVCC 100 can notify SECC 200 about EVCC 100 wish by SECC 200 send match Request message starts pairing process.

Figure 10 be show when by according to the messages application of the another embodiment of the disclosure in based on ISO 15118 The figure of message exchange flow when message.

With reference to Figure 10, show for target to be arranged and executes the process of charging schedule (that is, " sequence target is arranged and fills Electricity scheduling "), and for control charge circuit and execute reschedule process (that is, " sequence charge circuit control and again Scheduling ").

During for target to be arranged and executes charging schedule, advanced lead to is can be used in SECC 200 and EVCC 100 Letter come exchange about WPT limitation information.SECC 200 can send out the information about the maximum power that can pass through WPT transmission It is sent to EVCC 100.

With reference to Figure 10, target setting and charging schedule process may include that wherein SECC 200 will be about each charging panel The information of real-time peak power output and charging expense is sent to the step S741 of EVCC 100, and wherein EVCC 100 by EV Scheduling information (that is, EV charging schedule information) be sent to the step S742 of SECC 200.

Here it is possible to be included within the real-time peak power output about charging panel in charge parameter discovery response message EVCC 100 is sent to the information of charging expense.By charge parameter find response message, SECC 200 can provide about The information of the applicable charge parameter of grid side.Charge parameter discovery response message may include about price per hour, every time The information of the price of demand or the price consumed every time and basic charge parameter.

Moreover, scheduling information may include being sent to SECC 200 from EVCC 100 in power transmission request message.Electricity The exchange of power transmission message can specify the time point that SECC 200 starts power supply and correspondingly the battery of EV starts to charge. EVCC 100 can request SECC 200 to power by sending power transmission request message.

Meanwhile it can be carried out when executing wireless charging and renegotiate request.Charge circuit shown in Figure 10 control and The process of rescheduling can be SECC 200 when dump power is made available by when executing wireless charging and request again to EVCC 100 The process (that is, the EVSE notice element in electricity needs response message is set as " renegotiating ") newly negotiated.

With reference to Figure 10, EV is special to request to SECC by sending electricity needs request message to SECC 200 during charging Determine power.When receiving electricity needs request message, SECC 200 can disappear the electricity needs response for notifying EVSE state Breath is sent to corresponding EV.For example, SECC 200 can be requested by sending EVCC 100 for electricity needs response message It renegotiates, the value for the EVSE notice element for wherein including in electricity needs response message is set as " renegotiating " (S751). EVSE notice is the element for the operation of SECC control EVCC, and may include the operation that EVCC execution is wished about SECC Information.

Meanwhile it can exchange between SECC 200 and EVCC 100 by calculating based on charging expense up to the present Measure receipt (MeteringReceipt) message (S752).

Figure 11 be show when by according to the messages application of the another embodiment of the disclosure in based on ISO 15118 The figure of message exchange flow when message.

With reference to Figure 11, EVCC 100 can by power transmission request message to SECC 200 notify charging complete (for example, Charging process element in power transmission request message is set as " renegotiating ") (S761).In addition, being filled from the reception of EVCC 100 Electrical parameter find request message SECC 200 can by charge parameter find response message by about charging panel in real time most Big output power and the more new information of charging expense are sent to EVCC 100 (S762).EVCC 100 can be asked by power transmission Message is asked to send SECC 200 (S763) for EV charging schedule information.

Figure 12 A to Figure 12 E is shown according to embodiment of the present disclosure based on EV scheduling information about charger With the figure of the information of the output power of corresponding charging panel.

With reference to Figure 12 A, first is connected on the charger for being connected to the charging station of 150kW distributor to third plate.It is false If the capacity of the first plate is 100kW, and the vehicle A for being reserved as coming into from 21:00 to 01:30 charges.Further it is assumed that the The capacity of two plates is 75kW, and the vehicle B for being reserved as coming into from 22:30 to 04:30 charges.

Meanwhile Figure 12 B shows the peak power output of charger at any time, indicates that the peak power output of charger can It can be influenced by the charging of vehicle A and the charging of vehicle B.From the perspective of entire charger, charger can be from vehicle A Individually charge period 21:00 to 22:30 output 50kW, and can from the period 22:30 that vehicle A and vehicle B charge to 01:30 exports 0kW.In addition, period 01:30 to the 04:30 output 75kW that charger can individually charge from vehicle B, and can 150kW is exported with other periods according to the output of distributor in the period for excluding wherein vehicle A and/or vehicle B charging.

With reference to Figure 12 C and Figure 12 D, shown in fig. 12 c for the first plate peak power output at any time of vehicle A, And it is shown in fig. 12d for the peak power output of the second plate of vehicle B at any time.

With reference to Figure 12 C, the first plate can export 0kW from charge period 21:00 to the 01:30 of vehicle A, from 01:30 to 03: 00 output 75kW, and in the total capacity 100kW of the first plate of other periods output.

With reference to Figure 12 D, the second plate can export 0kW from charge period 22:30 to the 04:30 of vehicle B, from 21:00 to 22: 30 output 50kW, and in the capacity 75kW of the second plate of other periods output.

Figure 12 E show when vehicle C enter with 50kW capacity third plate when, for vehicle C third plate at any time Peak power output.With reference to Figure 12 E, third plate can export 0kW from 21:00 to 01:30, and in other periods output the The capacity 50kW of three plates.Therefore, vehicle C can be in the period from 18:00 to 21:00 and in the period after 01:30 Execute charging.

According to embodiment of the present disclosure, as shown in fig. 12e, allow to manage about charging panels all in charging station Output information, to realize effective charging schedule.

Figure 13 is the charging based on charging panel output power and charging expense shown according to embodiment of the present disclosure The figure of dispatching method.

In fig. 13 it is shown that the information of the output power in addition to each charging panel shown in Figure 12 A to Figure 12 E Except also contemplate charging expense variation charging schedule method.

With reference to Figure 13, it may be considered that the peak power output and charging expense variation of third plate at any time, dispatch buses C Charge period.In the example shown in Figure 12 A to Figure 12 E, it can be seen that vehicle C can from 18:00 to 21:00 when Between section and execute charging in the period after 01:30.In this case, when consideration charging expense changes with time When, for economy, charging most preferably is executed within the period from 21:00 to 06:00.

Accordingly, it is considered to which the charge period of vehicle C can to the peak power output of third plate at any time and charging expense variation To be arranged in from 01:30 to 07:30.Therefore, the expense of 20 won of every 1kWh (about 2 cents) can be collected from 1:30 to 06:00, And the expense of 100 won of every 1kWh (about 10 cents) can be collected from 06:00 to 07:30.

Figure 14 is the block diagram of the charge control apparatus in the EV shown according to embodiment of the present disclosure.

With reference to Figure 14, can be set according to the charge control apparatus 100 of embodiment of the present disclosure from including at least one The power supply unit of a charging panel receives at the EV of electric power, and can control the wireless charging of EV.

Charge control apparatus 100 may include at least one processor 110 and memory 120, memory 120 store by At least one instruction executed by least one processor 110.

This at least one instruction be configured to be executed by least one processor 110 with: communicated with power supply unit foundation Link；The essential information about at least one charging panel is received from power supply unit；To power supply unit provide EV will when from Open the departure time information of charging station；Information and the pass of the output power about at least one charging panel are received from power supply unit At least one of in the information of the charging expense of at least one charging panel；By using about output power information and pass In the information of charging expense at least one of execute the scheduling of EV wireless charging；And scheduling information is supplied to power supply to set It is standby.

Power supply unit 100 can also include communication module 140.Communication module 140 is for being communicated with charging station side Module, and message can be changed based on 15118 standard of ISO and charging station top-cross.

It here, may include being connect in service details response message about the essential information of at least one charging panel It receives.Moreover, at least one in the information about output power and the information about charging expense may include in charge parameter It was found that being received in response message.

Here, the information about the information of output power and about charging expense may include that the power of each charging panel is defeated Sart point in time, the peak power output of each charging panel, the charging time started of each charging panel and each charging panel out Price level at least one of.

Meanwhile the scheduling information of EV may include being sent in power transmission request message.Scheduling information can be with At least one of in the maximal input of charging time started, EV and the charging end time of EV including EV.About EV's Departure time information may include being sent in charge parameter discovery request message.Renegotiating request message may include It is sent in power transmission response message.

With reference to Figure 15, power supply unit 200 may include electric power converter 210, at least one processor 220 and storage Device 230.

Electric power converter 210 can interoperate with the transmission board (that is, charging panel) for WPT, at least one processor Voltage input is converted under 220 control, and passes through transmission board for the receiver board of the voltage output of conversion to EV.

Memory 230 can store will be executed by least one processor 220 at least one instruction, and this at least one It is a instruction be configured to by least one processor 220 execute with: establish communication link with EV；It provides to EV about at least one The essential information of charging panel；Receive when EV will leave the departure time information of charging station；To EV send about this at least one The information of the output power of a charging panel and about in the information of the charging expense of at least one charging panel at least one of；From The scheduling information of EV reception EV；And it is powered according to scheduling information to EV.

Power supply unit 100 can also include communication module (not shown).Communication module can based on 15118 standard of ISO with EV exchanges message.

It here, may include being sent out in service details response message about the essential information of at least one charging panel It send.Moreover, at least one in the information about output power and the information about charging expense may include in charge parameter It was found that being sent in response message.

Meanwhile the scheduling information of EV may include being received in power transmission request message.Scheduling information can be with At least one of in the maximal input of charging time started, EV including EV and the charging end time point of EV.About EV Departure time information may include charge parameter discovery request message in received.Renegotiating request message can wrap It includes and is received in power transmission response message.

Using embodiment of the present disclosure, allow in the charging station with limited power capacity based on all chargings The output power of plate executes the charging schedule of EV at any time, and can guarantee the charging panel when another EV leaves charging station With the interoperability between the EV.Moreover, embodiment of the present disclosure can be realized by software modification, without additional Hardware configuration.

Embodiment of the present disclosure can realize in the charger that can be communicated with EV, and can be in EV and wherein structure It builds in the charger of WPT system and realizes.Moreover, these embodiments can be realized in the vehicle for being able to carry out charging schedule.

The various embodiments of the disclosure are not limited to wireless charging, and even if describe in the above-described embodiment wireless Charging, also can be applied to conductivity type charging process.In this case, EV and charging station can be connected each other by charging cable It connects, and wireless communication can be executed between them using wireless communication module in an identical manner.

It can be implemented as to be executed by various computers according to the method for embodiment of the present disclosure and be recorded in computer Program instruction on readable medium.Computer-readable medium may include program instruction, data file, data structure or their group It closes.The program instruction of record on a computer-readable medium can be especially designed and be configured for the exemplary reality of the disclosure Mode is applied, or can be well known and to those of the available program instruction of the technical staff of computer software fields.

The example of computer-readable medium may include hardware device comprising ROM, RAM and flash memory, they are configured as Store and execute program instruction.The example of program instruction includes the machine code generated by such as compiler, and can be by calculating The higher-level language code that machine uses interpreter to execute.Foregoing exemplary hardware device is configurable to as at least one software mould Block is operated to execute the operation of the disclosure, and vice versa.

Although describing some aspects of the disclosure in the context of equipment, it be also may indicate that according to right The description of induction method, wherein the feature of block or equipment corresponding to method and step or method and step.Similarly, above and below method The aspect of described in the text can also be indicated by corresponding piece or project or the feature of corresponding intrument.Some or all of method steps Suddenly it can be executed by (or use) hardware device, such as microprocessor, programmable calculator or electronic circuit.Show various In example property embodiment, one or more most important method and steps can be executed by this equipment.

In embodiments, programmable logic device (for example, field programmable gate array (FPGA)) can be used for executing sheet Some or all functions of literary the method.In embodiments, FPGA can be with microprocessor binding operation to execute this paper One of method of description.In general, these methods are preferably executed by certain hardware devices.

For convenience of explanation and in the following claims accurate definition, term " top ", " lower part ", "inner", "outside", "upper", "lower", " top ", " lower part ", " to ", " downward " " front ", " rear ", " behind ", " inside ", " outside ", " inside ", " outside ", " inside ", " outside ", "inner", "outside", " forward " and " backward " are used for the position with reference to these features shown in figure To describe the feature of illustrative embodiments.

The foregoing description of the specific embodiment of the disclosure has been presented for the purpose of illustration and description.They are not It is intended to exhaustion or the disclosure is limited to disclosed precise forms, and many modifications can be carried out apparently according to above-mentioned introduction And variation.Selection and description embodiment to explain the certain principles and their practical application of the disclosure so that this field its His technical staff can manufacture and using the disclosure various embodiments and their various alternatives and modification.This Scope of disclosure is intended to be defined by the appended claims and the equivalents thereof.

Claims

1. a kind of including at least one charging panel and set by the power supply of at least one charging panel to electric vehicle power supply The wireless charging control method of standby middle execution, the wireless charging control method include:

Communication link is established with the electric vehicle；

The essential information about at least one charging panel is sent to the electric vehicle；

Receive when the electric vehicle will leave the departure time information of charging station；

Send the information of the output power about at least one charging panel and about the charging of at least one charging panel At least one of in the information of expense；

The scheduling information of the electric vehicle is received from the electric vehicle；And

According to the scheduling information to the electric vehicle power supply.

2. wireless charging control method according to claim 1, wherein the electric vehicle and the power supply unit according to International Organization for standardization 15118 exchanges wireless charging related news.

3. wireless charging control method according to claim 2, wherein the essential information is included in service details response It is sent in message.

4. wireless charging control method according to claim 2, wherein about the information of the output power and about institute State in the information of charging expense at least one of be included in charge parameter discovery response message in sent.

5. wireless charging control method according to claim 4, wherein about the information of the output power and about institute The information for stating charging expense includes the power output time started of each of at least one described charging panel, maximum work output At least one of in rate, charging time started and price level.

6. wireless charging control method according to claim 2, wherein the scheduling information is included in power transmission request It is received in message.

7. wireless charging control method according to claim 1, wherein the scheduling information includes the electric vehicle Charge the time started, maximal input and charging the end time at least one of.

8. wireless charging control method according to claim 1 further comprises executing in the electric vehicle The process of alignment and pairing between receiver board and charging panel, to go to the electric vehicle at least one described charging panel Wireless power transmission.

9. wireless charging control method according to claim 2, wherein the departure time information is included in charge parameter It was found that being sent in request message.

10. wireless charging control method according to claim 1 further comprises when to during the electric vehicle power supply When remaining electric power is made available by, the transmission of Xiang Suoshu electric vehicle renegotiates request.

11. wireless charging control method according to claim 2, wherein it is described renegotiate request be included in electric power biography It send in response message and is sent.

12. a kind of in the wireless charging executed from the electric vehicle that the power supply unit for including at least one charging panel receives electric power Control method, the wireless charging control method include:

Communication link is established with the power supply unit；

The essential information about at least one charging panel is received from the power supply unit；

Send when the electric vehicle will leave the departure time information of charging station；

The information of the output power about at least one charging panel is received from the power supply unit and about described at least one At least one of in the information of the charging expense of a charging panel；

It is executed by using the information about the output power and about at least one in the information of the charging expense Scheduling；And

Scheduling information is sent to the power supply unit.

13. wireless charging control method according to claim 12, wherein the electric vehicle and the power supply unit root Wireless charging related news are exchanged according to International Organization for standardization 15118.

14. wireless charging control method according to claim 13, wherein the essential information is included in service details and rings It answers in message and is received.

15. wireless charging control method according to claim 13, wherein about the output power information and about In the information of the charging expense at least one of be included in charge parameter discovery response message in received.

16. wireless charging control method according to claim 13, wherein the scheduling information, which is included in power transmission, asks It asks in message and is sent.

17. a kind of including at least one charging panel and to the power supply unit of electric vehicle power supply, the power supply unit includes at least One processor and storage are by least one memory instructed that at least one described processor executes, wherein it is described at least One instruction is configured as:

Communication link is established with the electric vehicle；

According to the scheduling information to the electric vehicle power supply.

18. power supply unit according to claim 17, wherein the electric vehicle and the power supply unit are marked according to the world Standardization tissue 15118 exchanges wireless charging related news.

19. power supply unit according to claim 18, wherein the essential information is included in service details response message It is sent.

20. power supply unit according to claim 18, wherein about the information of the output power and about the charging In the information of expense at least one of be included in charge parameter discovery response message in sent.