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CN103633697A - Electromagnetic inductive type non-contact charging system and aligning method thereof - Google Patents

Electromagnetic inductive type non-contact charging system and aligning method thereof
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Publication number
CN103633697A
CN103633697ACN201310594095.XACN201310594095ACN103633697ACN 103633697 ACN103633697 ACN 103633697ACN 201310594095 ACN201310594095 ACN 201310594095ACN 103633697 ACN103633697 ACN 103633697A
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ground
vehicle
charging
coil
controller
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周剑文
杨世春
李明
麻翠娟
龚卓然
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Beihang University
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Beihang University
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Abstract

Translated fromChinese

本发明公开了一种电磁感应式非接触充电系统及其对准方法,系统包括地面电能发射装置和车载电能接收装置;车载电能发射装置包括显示模块、车载部分控制器、车载无线通信模块、车载电能接收模块、电池和车载接收线圈;车载电能接收装置安装在车上,车载接收线圈被装在底盘下;地面电能发射装置包括地面发射线圈、地面电能发射电路、驱动模块、地面部分控制器和地面无线通信模块;地面电能发射装置置于地面,地面发射线圈置位于最上面;本发明在传统的非接触式充电的基础上,添加了以充电效率为控制目标的定位对准装置,实现了充电效率的自动优化功能;本发明简单易实现,只需对充电效率进行监测,即可判断当前状态是否适合充电。

The invention discloses an electromagnetic induction non-contact charging system and an alignment method thereof. The system includes a ground power transmitting device and a vehicle-mounted power receiving device; the vehicle-mounted power transmitting device includes a display module, a vehicle-mounted part controller, a vehicle-mounted wireless communication module, a vehicle-mounted Power receiving module, battery and on-board receiving coil; the on-board power receiving device is installed on the vehicle, and the on-board receiving coil is installed under the chassis; the ground power transmitting device includes a ground transmitting coil, a ground power transmitting circuit, a drive module, a ground part controller and The ground wireless communication module; the ground power transmitting device is placed on the ground, and the ground transmitting coil is placed on the top; on the basis of the traditional non-contact charging, the present invention adds a positioning and alignment device with charging efficiency as the control target, and realizes Automatic optimization function of charging efficiency; the present invention is simple and easy to implement, and only needs to monitor the charging efficiency to judge whether the current state is suitable for charging.

Description

Induction non-contact charger systems and alignment methods thereof
Technical field
The invention belongs to wireless charging and wireless positioning field, be specifically related to a kind of induction non-contact charging device and alignment methods thereof.
Background technology
Along with the development of electric automobile whole technology and key components and parts technology, motorcar electric changes into the development trend for Global Auto industry, and the main automobile that adopts electric energy to drive such as pure electric automobile becomes the Main Trends of The Development of China.
For the popularization of pure electric automobile, the supply of electric energy and to supplement be an important influencing factor, so the selection of battery charging modes is very important.Contactless charging does not need the jockeys such as attaching plug, socket, electric wire, and it transmits electric energy by alternating electromagnetic field or radio wave.Compare with the charging of traditional contact, contactless charging has need not manually plug power connection, save electric wire material, non-contact electric is dangerous, the feature such as strong adaptability under severe weather conditions, is convenient at parking lot and garage spread.Therefore, contactless charging is subject to the attention of increasing automobile vendor and energy supplier, the research and development of correlation technique and be applied in world's Main Developed Countries and all extensively carry out.
For a complete induction non-contact power charging system, its primary coil and secondary coil position alignment degree are higher, its charge efficiency is just higher, so position alignment degree also has very important impact to the efficiency of induction non-contact power charging system.But, wireless charging system is not considered the problem of position alignment aspect at present, the charging system of working it out under lab face efficiency is very high, but during to practical application, the simple driver's of dependence sensation is stopped and is difficult to make vehicle to stop in specified scope, thereby charge efficiency is had a greatly reduced quality, cause the huge waste of electric energy, affect again the charging interval.
Summary of the invention
The present invention is in order to address the above problem, for current wireless charging system, do not consider the problem of position alignment aspect, a kind of induction non-contact power charging system and the position aligning method based on charge efficiency judgement have been proposed, by adjusting position alignment, directly monitoring charge efficiency, makes system auto-alignment obtain optimum charge efficiency within the specific limits.
Induction non-contact charger systems, comprises ground electric energy transmission device and vehicle-mounted electric energy receiving system;
Vehicle-mounted electric energy emitter comprises display module, vehicle-mounted segment controller, in-vehicle wireless communication module, vehicle-mounted electric energy receiver module, battery and vehicle-mounted receiving coil; Vehicle-mounted electric energy receiving system is installed onboard, and vehicle-mounted receiving coil is installed under chassis;
Display module is human-computer interaction interface, position alignment information, battery electric quantity, charging is completed to information and feed back to driver;
Vehicle-mounted electric energy receiving circuit is monitored and controlled to vehicle-mounted segment controller, by calculating charge efficiency and feeding back to above ground portion controller received power; Vehicle-mounted segment controller is controlled logical sequence and the stability of vehicle-mounted electric energy receiving circuit, and wireless charging is carried out smoothly; Vehicle-mounted segment controller is controlled in-vehicle wireless communication module, carries out transfer of data; Vehicle-mounted segment controller outputs to display module by the information of required demonstration;
In-vehicle wireless communication module realizes the conversion of digital signal and wireless signal, jointly realizes the communication of vehicle-mounted segment controller and above ground portion controller and coordinates to control with ground communication module;
Vehicle-mounted electric energy receiving circuit is converted to high-frequency current rectifying and wave-filtering direct current and offers battery;
Battery is the energy storage module of electric motor car;
Vehicle-mounted receiving coil utilizes electromagnetic induction principle to produce induced current by alternating magnetic field, and is delivered to vehicle-mounted electric energy receiving circuit, realizes by ground electric energy transmitting circuit the delivery of electrical energy to vehicle-mounted electric energy receiving circuit;
Ground electric energy transmission device comprises ground transmitting coil, ground electric energy transmitting circuit, driver module, above ground portion controller and terrestrial wireless communication module; Ground electric energy transmission device is placed in ground, and ground transmitting coil is setting in topmost;
Ground transmitting coil adopts electromagnetic induction principle, and in the transmitting coil of ground, by the alternating current of high frequency, this coil produces the alternating magnetic field of high frequency around; When vehicle-mounted receiving coil is arranged in this alternating magnetic field, produces corresponding alternating current, thereby realize electric power transfer;
Ground electric energy transmitter module is by 220V/380V, and the family of 50HZ/industrial low frequency ac is converted into oudin's current, and produces high-frequency alternating magnetic field by ground transmitting coil;
Driver module is realized the displacement of ground transmitting coil and is controlled; The digital signal of above ground portion controller is converted into corresponding displacement, controls the position of ground coil;
Above ground portion controller carries out analyzing and processing by collection signal, realizes the control of recharge logic sequential and ground transmitting coil displacement; Communication acknowledgement current state by with vehicle module controller, starts or stops ground electric energy transmitting circuit; The signal that the efficiency of coming by vehicle module controller feedback increases or reduces, controls mobile module and carries out displacement, until arrive the highest position of charge efficiency; Controlling terrestrial wireless communication module and in-vehicle wireless communication module communicates;
Terrestrial wireless communication module matches with in-vehicle wireless communication module, realizes radio communication function.
Induction non-contact charge alignment methods, comprises following step:
The first step, checkout equipment and charge condition; After induction non-contact charger systems starts, vehicle-mounted segment controller and above ground portion controller detect respectively vehicle-mounted electric energy receiving circuit and ground electric energy transmitting circuit, and are confirmed whether to be applicable to charging; If be applicable to charging, enter step 2, if be not suitable for charging, do not start electric energy transmitting;
Second step, electric energy transmitting; When confirming to be applicable to charging, vehicle-mounted segment controller and above ground portion controller will be opened vehicle-mounted electric energy receiving circuit and ground electric energy transmitting circuit, carry out electric power transfer and monitor its state;
The 3rd step, judge whether optimum and mobile ground transmitting coil of current charge efficiency; Controller, by circuit state is monitored, obtains its current charge efficiency, and current charge efficiency is judged; When charge efficiency is during in optimum interval, the position alignment of two charge coils, does not move transmitting coil position in ground; When charge efficiency does not reach optimum interval, represent that the position of two coils is not aimed at, now above ground portion controller moves ground transmitting coil control driver module; The movement of ground transmitting coil will change the degree of registration of two coils, thereby changes the charge efficiency of system, forms FEEDBACK CONTROL; Vehicle-mounted segment controller and above ground portion controller carry out FEEDBACK CONTROL by coordination, thereby reach, aim at the optimization that realizes system charge efficiency configure by moving coil;
The 4th step, judge whether the charging of induction non-contact charger systems completes, and complete charge; When induction non-contact charger systems charging, the electric weight of vehicle-mounted segment controller monitoring battery, and judge whether it is full of; When battery is full of or when vehicle need to start, vehicle-mounted segment controller has charged judgement complete charge.
According to the present invention, use way of electromagnetic induction wireless charging system to comprise ground electric energy transmission device and vehicle-mounted electric energy receiving system.Between ground electric energy transmission device and vehicle-mounted electric energy emitter, pass through the mode electric energy transmitting of electromagnetic induction.Its concrete mode is, when ground electric energy transmission device is switched on, can produce by the transmitting coil of this device the magnetic field of alternation, and the electromagnetic induction principle of vehicle-mounted electric energy receiving system by receiving coil produces the electric current of alternation, this alternating current is converted into direct current by rectification circuit etc. and charges a battery.
According to the present invention, the alignment methods of this wireless charging system is mainly to carry out the configuration of charge efficiency optimization by feedback, and when charge efficiency reaches optimum, the object of its position alignment is also just reached.The method draws charge efficiency by detecting charging current voltage, can change the size of charging current voltage by mobile ground electric energy transmitting coil, affects charge efficiency.Therefore, the position of mobile ground electric energy transmitting coil and charge efficiency form feedback.By this feedback regulation, when two coils are completely on time, it is optimum that its charge efficiency also reaches, and system is adjusted object and reached.
The invention has the advantages that:
(1) on the basis of traditional contactless charging, added and take charge efficiency as controlling the location alignment device of target, realized the automatic majorization function of charge efficiency;
(2) be simple and easy to realize, only need monitor charge efficiency, can judge whether current state is applicable to charging;
(3) directly take charge efficiency as controlling target, the maximization of aiming at implementation efficiency by displacement, is closed-loop control system; Relatively take position as controlling the half-closed loop control system of target, reduced uncertainty, easily control more directly perceived and precision are also higher;
(4) system only need be upgraded on the basis of current wireless charging system, and it is convenient to realize;
(5) while having foreign matter or toy in coil, can have influence on charge efficiency and may cause damage to system, by the judgement to charge efficiency, temporarily stop charging, thereby realize measuring ability, protection system and toy safety simultaneously.
Accompanying drawing explanation
Fig. 1: wireless charging system integrated model schematic diagram of the present invention;
Fig. 2: wireless charging system module map;
Fig. 3: charging flow of the present invention.
In figure:
01-ground electric energy transmission device 02-vehicle-mounted electric energy receiving system
The vehicle-mounted segment controller 13-of 11-display module 12-in-vehicle wireless communication module
The vehicle-mounted receiving coil of 14-vehicle-mounted electric energy receiving circuit 15-battery 16-
Receiving coil 22-ground, 21-ground electric energy transmitting circuit 23-drive circuit
24-above ground portion controller 25-terrestrial wireless communication module
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Induction non-contact charger systems of the present invention, as shown in Figure 1 and Figure 2, comprises ground electric energy transmission device 01 and vehicle-mounted electricenergy receiving system 02.
Vehicle-mountedelectric energy emitter 02 comprisesdisplay module 11, vehicle-mountedsegment controller 12, in-vehiclewireless communication module 13, vehicle-mounted electricenergy receiver module 14,battery 15 and vehicle-mountedreceiving coil 16.
Vehicle-mounted electricenergy receiving system 02 is installed onboard, and wherein vehicle-mountedreceiving coil 16 is installed under chassis.
Display module 11 is human-computer interaction interface, by this part, position alignment information, battery electric quantity, charging is completed to information and feeds back to driver.
Vehicle-mountedsegment controller 12 draws the running status of system and moves by sequencing control modules by the information of each side being carried out to collection and treatment.Its main task has 1. monitorings and controls vehicle-mounted electricenergy receiving circuit 14, by calculating charge efficiency and feeding back to above ground portion controller 24 received power.2. the logical sequence of control vehicle-mounted electricenergy receiving circuit 14, stability etc., carry out wireless charging smoothly.3. control in-vehiclewireless communication module 13, carry out transfer of data.4. the information of required demonstration is outputed to displaymodule 11, realize the information feedback to driver.
In-vehiclewireless communication module 13 realizes the conversion of digital signal and wireless signal, jointly realizes the communication of vehicle-mountedsegment controller 12 and above ground portion controller 24 and coordinates to control withground communication module 25.
Vehicle-mounted electricenergy receiving circuit 14 is high-voltage great-current treatment circuit, and high-frequency current rectifying and wave-filtering is converted to direct current and offersbattery 15.
Battery 15 is energy storage modules of electric motor car, for car load provides power.
Vehicle-mounted receivingcoil 16 utilizes electromagnetic induction principle to produce induced current by alternating magnetic field, and is delivered to vehicle-mounted electricenergy receiving circuit 14, realizes by ground electricenergy transmitting circuit 22 delivery of electrical energy to vehicle-mounted electricenergy receiving circuit 14.
Ground electric energy transmission device 01 comprisesground transmitting coil 21, ground electricenergy transmitting circuit 22,driver module 23, above ground portion controller 24 and terrestrialwireless communication module 25.
Ground electric energy transmission device 01 is placed in ground, and its internal module is positioned at underground, and ground transmitting coil puts 21 in going up most, and this coil can move.
Ground transmitting coil 21 be all to use electromagnetic induction principle with vehicle-mountedreceiving coil 16, but effect is just contrary.In this coil, by the alternating current of high frequency, by electromagnetic induction principle, this coil produces the alternating magnetic field of high frequency around.When vehicle-mountedreceiving coil 16 is arranged in this alternating magnetic field, produces corresponding alternating current, thereby realize electric power transfer.
Ground electricenergy transmitter module 22 is similarly high-voltage great-current treatment circuit, mainly realize the functions such as voltage transitions, AC-DC, high-frequency inversion, by 220V/380V, the family of 50HZ/industrial low frequency ac is converted into oudin's current, and produces high-frequency alternating magnetic field byground transmitting coil 21.
Driver module 23 is realized the displacement ofground transmitting coil 21 and is controlled.The digital signal of above ground portion controller 24 is converted into corresponding displacement, controls the position of ground coil 21.Its building form is a lot, and representative instance is two-dimentional mobile platform, by the movement of two step motor control X-axis and Y-axis, thereby realizes location in plane.
Above ground portion controller 24 carries out analyzing and processing by collection signal equally, realizes the control of recharge logic sequential and 21 displacements of ground transmitting coil.Its concrete function is as follows: by the communication acknowledgement current state withvehicle module controller 12, start or stop ground electricenergy transmitting circuit 22 1.; 2. the signal that the efficiency of coming byvehicle module controller 12 feedbacks increases or reduces, controls mobile module and carries out displacement, until arrive the highest position of charge efficiency; 3. controlling terrestrialwireless communication module 25 communicates with in-vehiclewireless communication module 13.
Terrestrialwireless communication module 25 matches with in-vehiclewireless communication module 13, realizes radio communication function.
Between vehicle-mountedreceiving coil 16 andground transmitting coil 21, by electromagnetic induction, be coupled and carried out electric power conveying, its efficiency of transmission is relevant to size of gaps, coil alignment degree between the two.After system installation, size of gaps is between the two thereupon fixing, so the change of its efficiency of transmission depends primarily on coil alignment degree.
Induction non-contact charger systems of the present invention and alignment methods thereof, flow process as shown in Figure 3, by the cooperation of ground electric energy transmission device 01 and vehicle-mounted electricenergy receiving system 02, realize the optimization configuration of logical sequence arrangement, position alignment and the charge efficiency of whole charging.Key step is as follows:
The first step, checkout equipment and charge condition.After wireless charging system starts, vehicle-mountedsegment controller 12 and above ground portion controller 24 detect respectively vehicle-mounted electricenergy receiving circuit 14 and ground electricenergy transmitting circuit 22, and confirm to be applicable to charging.When having foreign matter, coil damage, fault, communication module or controller failure between battery Full Charge Capacity, two coils, vehicle-mountedsegment controller 12 and above ground portion controller 24 judgement current states are not suitable for charging, will not start electric energy transmitting.
Second step, electric energy transmitting.When confirming to be applicable to charging, vehicle-mountedsegment controller 12 and above ground portion controller 24 will be opened vehicle-mounted electricenergy receiving circuit 14 and ground electricenergy transmitting circuit 22, carry out electric power transfer and monitor its state.
The 3rd step, judge whether optimum and mobileground transmitting coil 21 of current charge efficiency.Controller, by circuit state is monitored, can obtain its current charge efficiency, and current charge efficiency is judged.When charge efficiency is during in optimum interval, the position of two charge coils is also just aimed at, and coil position needn't move.When charge efficiency does not reach optimum interval, represent that the position of two coils is not aimed at yet, now above ground portion controller 24 movesground transmitting coil 21 control driver module 23.The movement ofground transmitting coil 21 will change the degree of registration of two coils, thereby changes the charge efficiency of system, forms a FEEDBACK CONTROL.Vehicle-mountedsegment controller 12 and above ground portion controller 24 carry out FEEDBACK CONTROL by coordination, thereby can aim at the optimization that realizes system charge efficiency by moving coil, configure.
The 4th step, judge whether system charging completes, and complete charge.When system is charged, on one side vehicle-mountedsegment controller 12 can be monitored the electric weight ofbattery 15, and judge whether it is full of.When battery is full of or when vehicle need to start, vehicle-mountedsegment controller 12 has charged judgement complete charge.

Claims (3)

Translated fromChinese
1.电磁感应式非接触充电系统,包括地面电能发射装置和车载电能接收装置;1. Electromagnetic induction non-contact charging system, including ground power transmitting device and vehicle-mounted power receiving device;车载电能发射装置包括显示模块、车载部分控制器、车载无线通信模块、车载电能接收模块、电池和车载接收线圈;车载电能接收装置安装在车上,车载接收线圈被装在底盘下;The vehicle-mounted power transmitting device includes a display module, a vehicle-mounted part controller, a vehicle-mounted wireless communication module, a vehicle-mounted power receiving module, a battery and a vehicle-mounted receiving coil; the vehicle-mounted power receiving device is installed on the vehicle, and the vehicle-mounted receiving coil is installed under the chassis;显示模块为人机交互界面,将位置对准信息、电池电量、充电完成信息反馈给驾驶员;The display module is a human-computer interaction interface, which feeds back the position alignment information, battery power, and charging completion information to the driver;车载部分控制器监测并控制车载电能接收电路,通过对接收功率的计算得出充电效率并反馈至地面部分控制器;车载部分控制器控制车载电能接收电路的逻辑时序和稳定性,使无线充电顺利进行;车载部分控制器控制车载无线通信模块,进行数据传输;车载部分控制器将所需显示的信息输出到显示模块;The on-board part controller monitors and controls the on-board power receiving circuit, calculates the charging efficiency by calculating the received power and feeds it back to the ground part controller; the on-board part controller controls the logic timing and stability of the on-board power receiving circuit to make wireless charging smooth Carry out; the vehicle-mounted part controller controls the vehicle-mounted wireless communication module for data transmission; the vehicle-mounted part controller outputs the information to be displayed to the display module;车载无线通信模块实现数字信号与无线信号的转换,与地面通信模块共同实现车载部分控制器和地面部分控制器的沟通及协调控制;The vehicle-mounted wireless communication module realizes the conversion of digital signals and wireless signals, and realizes the communication and coordinated control of the vehicle-mounted part controller and the ground part controller together with the ground communication module;车载电能接收电路将高频电流整流滤波转换为直流电并提供给电池;The on-board power receiving circuit converts high-frequency current rectification and filtering into direct current and supplies it to the battery;电池为电动车的能量存储模块;The battery is the energy storage module of the electric vehicle;车载接收线圈利用电磁感应原理通过交变磁场产生感应电流,并输送至车载电能接收电路,实现由地面电能发射电路至车载电能接收电路的电能传输;The on-board receiving coil uses the principle of electromagnetic induction to generate an induced current through an alternating magnetic field, and transmits it to the on-board power receiving circuit to realize power transmission from the ground power transmitting circuit to the on-board power receiving circuit;地面电能发射装置包括地面发射线圈、地面电能发射电路、驱动模块、地面部分控制器和地面无线通信模块;地面电能发射装置置于地面,地面发射线圈置位于最上面;The ground power transmitting device includes a ground transmitting coil, a ground power transmitting circuit, a drive module, a ground part controller and a ground wireless communication module; the ground power transmitting device is placed on the ground, and the ground transmitting coil is placed on the top;地面发射线圈采用电磁感应原理,在地面发射线圈中通过高频的交变电流,该线圈周围产生高频的交变磁场;当车载接收线圈位于该交变磁场中时,即产生相应的交变电流,从而实现电力传输;The ground transmitting coil adopts the principle of electromagnetic induction, and a high-frequency alternating current is passed through the ground transmitting coil, and a high-frequency alternating magnetic field is generated around the coil; when the vehicle receiving coil is located in the alternating magnetic field, a corresponding alternating current is generated. current, thereby realizing power transmission;地面电能发射模块将220V/380V,50HZ的家庭/工业用低频交流电转化为高压高频电流,并通过地面发射线圈产生高频交变磁场;The ground power transmission module converts 220V/380V, 50HZ household/industrial low-frequency alternating current into high-voltage high-frequency current, and generates high-frequency alternating magnetic field through the ground transmission coil;驱动模块实现地面发射线圈的位移控制;将地面部分控制器的数字信号转化为相应的位移量,控制地面线圈的位置;The drive module realizes the displacement control of the ground transmitting coil; converts the digital signal of the ground part controller into the corresponding displacement, and controls the position of the ground coil;地面部分控制器通过采集信号进行分析处理,实现充电逻辑时序及地面发射线圈位移的控制;通过与车载模块控制器的通信确认当前状态,启动或者停止地面电能发射电路;通过车载模块控制器反馈过来的效率增加或降低的信号,控制移动模块进行位移,直至到达充电效率最高的位置;控制地面无线通信模块与车载无线通信模块进行通信;The controller of the ground part analyzes and processes the collected signals to realize the control of the charging logic sequence and the displacement of the ground transmitting coil; confirms the current state through communication with the on-board module controller, and starts or stops the ground power transmission circuit; it is fed back through the on-board module controller The efficiency increase or decrease signal, control the mobile module to move until it reaches the position with the highest charging efficiency; control the ground wireless communication module to communicate with the vehicle wireless communication module;地面无线通信模块与车载无线通信模块相配合,实现无线通信功能。The ground wireless communication module cooperates with the vehicle wireless communication module to realize the wireless communication function.2.应用于权利要求1所述的电磁感应式非接触充电系统的电磁感应式非接触充电对准方法,包括以下几个步骤:2. The electromagnetic induction non-contact charging alignment method applied to the electromagnetic induction non-contact charging system according to claim 1, comprising the following steps:第一步、检测设备及充电条件;当电磁感应式非接触充电系统启动后,车载部分控制器和地面部分控制器分别检测车载电能接收电路和地面电能发射电路,并确认是否适合充电;如果适合充电,进入步骤二,如果不适合充电,不开始传输电能;The first step is to detect equipment and charging conditions; when the electromagnetic induction non-contact charging system is started, the vehicle-mounted part controller and the ground part controller detect the vehicle-mounted power receiving circuit and the ground power transmitting circuit respectively, and confirm whether it is suitable for charging; if suitable Charging, go to step 2, if not suitable for charging, do not start to transmit power;第二步、传输电能;当确认适合充电时,车载部分控制器和地面部分控制器将开启车载电能接收电路和地面电能发射电路,进行电力传输并监测其状态;The second step is to transmit electric energy; when it is confirmed that it is suitable for charging, the vehicle-mounted part controller and the ground part controller will open the vehicle-mounted power receiving circuit and the ground power transmitting circuit to perform power transmission and monitor their status;第三步、判断当前充电效率是否最优并移动地面发射线圈;控制器通过对电路状态监测,获得其当前充电效率,并对当前充电效率进行判断;当充电效率处于最优区间时,两充电线圈的位置对准,则地面发射线圈位置不移动;当充电效率没有达到最优区间时,则表示两线圈的位置没有对准,此时地面部分控制器将控制驱动模块使地面发射线圈移动;地面发射线圈的移动将改变两线圈的对准程度,从而改变系统的充电效率,形成反馈控制;车载部分控制器和地面部分控制器通过协调进行反馈控制,从而达到通过移动线圈对准实现系统充电效率的最优化配置;The third step is to judge whether the current charging efficiency is optimal and move the ground transmitting coil; the controller obtains the current charging efficiency by monitoring the circuit state, and judges the current charging efficiency; when the charging efficiency is in the optimal range, the two charging If the positions of the coils are aligned, the position of the ground transmitting coil does not move; when the charging efficiency does not reach the optimal range, it means that the positions of the two coils are not aligned. At this time, the ground part controller will control the drive module to move the ground transmitting coil; The movement of the ground transmitting coil will change the alignment degree of the two coils, thereby changing the charging efficiency of the system and forming feedback control; the vehicle-mounted part controller and the ground part controller perform feedback control through coordination, so as to achieve system charging through alignment of moving coils Optimized configuration for efficiency;第四步、判断电磁感应式非接触充电系统充电是否完成,并结束充电;在电磁感应式非接触充电系统充电时,车载部分控制器监测电池的电量,并判断其是否充满;当电池充满或者车辆需要开动时,车载部分控制器将判断充电完成并结束充电。The fourth step is to judge whether the charging of the electromagnetic induction non-contact charging system is completed, and end the charging; when the electromagnetic induction non-contact charging system is charging, the on-board part controller monitors the battery power and judges whether it is full; when the battery is full or When the vehicle needs to be driven, the on-board part controller will judge that the charging is complete and end the charging.3.根据权利要求2所述的电磁感应式非接触充电对准方法,所述的第一步中,当电池满电量、两线圈之间有异物、线圈损坏、电路故障、通信模块或控制器故障时,车载部分控制器和地面部分控制器判断当前状态不适合充电,将不开始传输电能。3. The electromagnetic induction non-contact charging alignment method according to claim 2, in the first step, when the battery is fully charged, there is a foreign object between the two coils, the coil is damaged, the circuit is faulty, the communication module or the controller In case of failure, the on-board part controller and the ground part controller judge that the current state is not suitable for charging, and will not start to transmit electric energy.
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CN110149006A (en)*2019-05-152019-08-20海汇新能源汽车有限公司A kind of electric cleaning car wireless charging device and charging method
CN110198087A (en)*2019-06-282019-09-03四川中微芯成科技有限公司A kind of wireless power control device and method for liquid crystal display
CN110518717A (en)*2019-09-052019-11-29北京交通大学Information interactive device and method based on non-contact power transmission system
CN110588422B (en)*2019-09-062025-07-04合肥有感科技有限责任公司 Automatic positioning device, automatic positioning system and automatic positioning method
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CN110759021A (en)*2019-12-092020-02-07河南工学院Wireless charging automatic drug conveying trolley
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CN111786476A (en)*2020-08-052020-10-16湘潭大学 A method for predicting the position of a receiving coil in a wireless power transmission system
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