CN105914906A - Wireless power transmission transmit-receive coil relative position detection device and method - Google Patents
Wireless power transmission transmit-receive coil relative position detection device and method Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
本发明公开了一种无线电能传输的收发线圈相对位置检测装置及方法，检测装置包括：电能发射电感线圈、电能接收电感线圈、采样电感线圈、采样电路、充电管理系统及人机交互界面；电能发射电感线圈与电能接收电感线圈之间无物理连接；采样电感线圈不少于三个，以多边形顶点的位置固定于电能接收电感线圈周围；采样电感线圈与采样电路电连接；采样电路与充电管理系统电连接，充电管理系统与人机交互界面电连接。当电能发射电感线圈与电能接收电感线圈同轴心时，电能发射电感线圈、电能接收电感线圈以及采样电感线圈均为以电能发射电感线圈轴心为对称布置。由此，本发明可使电能发射、接收电感线圈准确对齐，提高电力能源的利用率。
The invention discloses a device and method for detecting the relative position of a transceiver coil for wireless energy transmission. The detection device includes: an electric energy transmitting inductance coil, an electric energy receiving inductance coil, a sampling inductance coil, a sampling circuit, a charging management system and a man-machine interaction interface; There is no physical connection between the transmitting inductance coil and the electric energy receiving inductive coil; there are no less than three sampling inductive coils, which are fixed around the electric energy receiving inductive coil at the position of the vertices of the polygon; the sampling inductive coil is electrically connected to the sampling circuit; the sampling circuit and charging management The system is electrically connected, and the charging management system is electrically connected to the man-machine interface. When the power transmitting inductive coil and the power receiving inductive coil are coaxial, the power transmitting inductive coil, the power receiving inductive coil and the sampling inductive coil are arranged symmetrically about the axis of the power transmitting inductive coil. Therefore, the present invention can accurately align the electric energy transmitting and receiving inductance coils, and improve the utilization rate of electric energy.
Description
技术领域technical field
本发明涉及无线电能传输领域，尤其涉及一种无线电能传输的收发线圈相对位置检测装置及方法。The invention relates to the field of wireless power transmission, in particular to a device and method for detecting the relative position of a transceiver coil for wireless power transmission.
背景技术Background technique
无线供电技术以非物理接触的方式供电，随着该技术的成熟，越来越受到人们的关注和社会的认可，大大方便了无线产品的使用。当前的电磁共振或电磁感应的无线电能传输设备主要使用电感线圈作为能量收发的天线；然而，在电能传输前，发射装置与接收装置的电能发射、接收电感线圈需要一个有效的相对位置，以减少能量逸散，确保电能传输的效率；通常情况下，发射装置与接收装置的电感线圈的平面最好能相互平行，其轴心最好在同一轴线上，并减少垂直距离，尽量靠近，这样能获得最大的传输效率。Wireless power supply technology supplies power in a non-physical contact manner. With the maturity of this technology, it has attracted more and more attention from people and recognized by the society, which greatly facilitates the use of wireless products. The current electromagnetic resonance or electromagnetic induction wireless power transmission equipment mainly uses the inductance coil as the antenna for energy transmission and reception; however, before power transmission, the power transmitting and receiving inductance coils of the transmitting device and the receiving device need an effective relative position to reduce Energy dissipation to ensure the efficiency of power transmission; usually, the planes of the inductance coils of the transmitting device and the receiving device are preferably parallel to each other, and their axes are preferably on the same axis, and the vertical distance is reduced as close as possible, so that Get maximum transfer efficiency.
比如当前汽车无线充电桩的设计结构一般如下：For example, the design structure of the current car wireless charging pile is generally as follows:
电能发射装置的电能发射电感线圈设置于地面的汽车充电区；电能接收装置安装于汽车上，连接汽车电池充电管理系统，电能接收电感线圈设置于汽车底部；当汽车需要充电时，驶入充电区，在没有定位检测装置的情况下，驾驶员只能通过目测判断电能发射电感线圈的位置，无法准确地对准电能发射电感线圈与电能接收电感线圈。The power transmitting inductance coil of the power transmitting device is set in the car charging area on the ground; the power receiving device is installed on the car, connected to the car battery charging management system, and the power receiving inductance coil is set at the bottom of the car; when the car needs to be charged, drive into the charging area , In the absence of a positioning detection device, the driver can only judge the position of the power transmitting inductive coil visually, and cannot accurately align the power transmitting inductive coil and the power receiving inductive coil.
综上所述，本技术领域亟需一种无线电能传输的收发线圈相对位置检测装置及方法，以克服电能发射、接收电感线圈无法准确对齐的缺陷，尽可能地减少电力能源的浪费和损失。To sum up, there is an urgent need in the technical field for a device and method for detecting the relative position of the transmitting and receiving coils for wireless power transmission, so as to overcome the defect that the power transmitting and receiving inductive coils cannot be aligned accurately, and reduce the waste and loss of power energy as much as possible.
发明内容Contents of the invention
针对现有技术的缺陷，本发明提出一种无线电能传输的收发线圈相对位置检测装置，以使电能发射、接收电感线圈准确对齐，提高电力能源的利用率。Aiming at the defects of the prior art, the present invention proposes a device for detecting the relative position of the transmitting and receiving coils for wireless energy transmission, so as to accurately align the electric energy transmitting and receiving inductive coils and improve the utilization rate of electric energy.
本发明解决上述技术问题的技术方案如下：一种无线电能传输的收发线圈相对位置检测装置，包括：电能发射电感线圈、电能接收电感线圈、采样电感线圈、采样电路、充电管理系统以及人机交互界面；其中，所述电能发射电感线圈与所述电能接收电感线圈之间无任何物理连接或机械接触；所述采样电感线圈不少于三个，以多边形顶点的位置固定于所述电能接收电感线圈的周围；所述采样电感线圈分别与所述采样电路电连接；所述采样电路与所述充电管理系统电连接，所述充电管理系统与所述人机交互界面电连接。The technical solution of the present invention to solve the above technical problems is as follows: a device for detecting the relative position of the transmitting and receiving coils for wireless energy transmission, including: an electric energy transmitting inductive coil, an electric energy receiving inductive coil, a sampling inductive coil, a sampling circuit, a charging management system and human-computer interaction Interface; wherein, there is no physical connection or mechanical contact between the power transmitting inductance coil and the power receiving inductance coil; there are no less than three sampling inductance coils, which are fixed to the power receiving inductance at the positions of the vertices of the polygon Around the coil; the sampling inductance coil is electrically connected to the sampling circuit; the sampling circuit is electrically connected to the charging management system, and the charging management system is electrically connected to the man-machine interface.
在上述技术方案的基础上，本发明还可以做如下改进。On the basis of the above technical solutions, the present invention can also be improved as follows.
优选地，当所述电能发射电感线圈与所述电能接收电感线圈同轴心时，所述电能发射电感线圈、所述电能接收电感线圈以及所述采样电感线圈均为以电能发射电感线圈轴心为对称布置。Preferably, when the power transmitting inductive coil is coaxial with the power receiving inductive coil, the power transmitting inductive coil, the power receiving inductive coil and the sampling inductive coil are all centered on the power transmitting inductive coil arranged symmetrically.
本发明还提供一种无线电能传输的收发线圈相对位置检测方法，其包括上述的无线电能传输的收发线圈相对位置检测装置，检测步骤如下：The present invention also provides a method for detecting the relative position of the transceiver coil for wireless energy transmission, which includes the above-mentioned device for detecting the relative position of the transceiver coil for wireless energy transmission, and the detection steps are as follows:
1)设定当电能接收电感线圈与电能发射电感线圈在给定轴向距离的前提下，两者处于同轴位置时，三个采样电感线圈的感应电压为U、V、W，为位置对正时的基准采样感应电压；1) It is set that when the electric energy receiving inductance coil and the electric energy transmitting inductance coil are at a given axial distance, when the two are in the coaxial position, the induced voltages of the three sampling inductance coils are U, V, W, which is the position pair Timing reference sampling induced voltage;
2)将带有所述采样电感线圈的电能接收电感线圈初步移动到所述电能发射电感线圈的轴向上，粗定位；2) Preliminarily move the electric energy receiving inductive coil with the sampling inductive coil to the axial direction of the electric energy transmitting inductive coil for rough positioning;
3)检测各个采样电感线圈的感应电压Ux\Vx\Wx，分别判断是否满足：Ux＝U、Vx＝V、Wx＝W；3) Detect the induced voltage Ux\Vx\Wx of each sampling inductance coil, and judge whether to satisfy: Ux=U, Vx=V, Wx=W;
4)如果没有达到上述条件，则通过驱动装置或人工在同一平面上，移动带有所述采样电感线圈的电能接收电感线圈，再次检测各个采样电感线圈的感应电压Ux\Vx\Wx；并再次分别判断是否满足：Ux＝U、Vx＝V、Wx＝W；4) If the above conditions are not met, move the electric energy receiving inductance coil with the sampling inductance coil on the same plane through the driving device or manually, and detect the induced voltage Ux\Vx\Wx of each sampling inductance coil again; and again Respectively judge whether to meet: Ux=U, Vx=V, Wx=W;
5)如果仍未达到步骤3)所述条件则重复执行步骤4)；如果达到步骤3)所述条件则实现位置对中，检测对位过程结束。5) If the condition described in step 3) is still not met, step 4) is repeated; if the condition described in step 3) is met, the position alignment is realized, and the detection alignment process ends.
在上述技术方案的基础上，本发明还可以做如下改进。On the basis of the above technical solutions, the present invention can also be improved as follows.
优选地，所述基准采样感应电压通过实验测量或理论计算获得。Preferably, the reference sampling induced voltage is obtained through experimental measurement or theoretical calculation.
优选地，当所述电能发射电感线圈和电能接收电感线圈在轴心对正情况下，所述电能发射电感线圈、所述电能接收电感线圈以及所述采样电感线圈均为以电能发射电感线圈轴心对称布置时，所述U＝V＝W。Preferably, when the axis of the power transmitting inductor coil and the power receiving inductor coil are aligned, the power transmitting inductor coil, the power receiving inductor coil and the sampling inductor coil all use the axis of the power transmitting inductor coil When arranged symmetrically, U=V=W.
此外，本发明还提供一种无线充电汽车，其包括上述的无线电能传输的收发线圈相对位置检测装置。In addition, the present invention also provides a wireless charging vehicle, which includes the above-mentioned device for detecting the relative position of the transmitting and receiving coils for wireless power transmission.
优选地，所述电能接收电感线圈、所述采样电感线圈、所述采样电路、所述充电管理系统以及所述人机交互界面皆安装于汽车上；其中，所述电能接收电感线圈与所述采样电感线圈安装于汽车底部；所述人机交互界面安装于汽车驾驶室内。Preferably, the power receiving inductance coil, the sampling inductance coil, the sampling circuit, the charging management system and the human-computer interaction interface are all installed on a car; wherein, the power receiving inductance coil and the The sampling inductance coil is installed at the bottom of the car; the man-machine interface is installed in the cab of the car.
本发明的有益效果是：构造简单，定位快速准确，作为无线电能传输设备的电能收、发电感线圈相对位置的确定方法，对无线电能传输设备的自动或手动对准奠定基础。The beneficial effects of the invention are: simple structure, fast and accurate positioning, as a method for determining the relative position of the electric energy receiving and generating induction coils of the wireless energy transmission equipment, laying the foundation for automatic or manual alignment of the wireless energy transmission equipment.
附图说明Description of drawings
图1为本发明的无线电能传输的收发线圈相对位置检测装置的立体结构示意图；Fig. 1 is a three-dimensional structural schematic diagram of a device for detecting the relative position of a transceiver coil for wireless power transmission according to the present invention;
图2为本发明的无线电能传输的收发线圈相对位置检测装置的俯视结构示意图；Fig. 2 is a top structural schematic diagram of a device for detecting the relative position of a transceiver coil for wireless power transmission according to the present invention;
图3为本发明的无线电能传输的收发线圈相对位置检测装置的左视结构示意图；Fig. 3 is a left view structural schematic diagram of the relative position detection device of the transmitting and receiving coils of the wireless power transmission of the present invention;
图4为本发明的无线电能传输的收发线圈相对位置检测装置的采样电路的结构示意图；4 is a schematic structural diagram of the sampling circuit of the relative position detection device of the transceiver coil for wireless power transmission of the present invention;
图5为本发明的无线充电汽车的立体结构示意图一；Fig. 5 is a three-dimensional structural schematic diagram 1 of the wireless charging automobile of the present invention;
图6为本发明的无线充电汽车的俯视结构示意图；Fig. 6 is a top structural schematic diagram of the wireless charging automobile of the present invention;
图7为本发明的无线充电汽车的左视结构示意图；Fig. 7 is a left view structural schematic diagram of the wireless charging car of the present invention;
图8为本发明的无线充电汽车的立体结构示意图二；Fig. 8 is a schematic diagram 2 of the three-dimensional structure of the wireless charging vehicle of the present invention;
在图1～8中，各标号所表示的部件名称如下：A为电能发射电感线圈；B为电能接收电感线圈；C1、C2、C3为采样电感线圈；D为汽车；E为路面；F为无线充电车位；G为充电管理系统；H为人机交互界面。In Figures 1 to 8, the names of the parts indicated by the labels are as follows: A is the electric energy transmitting inductance coil; B is the electric energy receiving inductance coil; C1, C2, C3 are the sampling inductance coils; D is the automobile; E is the road surface; Wireless charging parking space; G is the charging management system; H is the human-computer interaction interface.
具体实施方式detailed description
以下结合附图对本发明的原理和特征进行描述，所举实例只用于解释本发明，并非用于限定本发明的范围。The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
请参照图1～4所示，其中，图1为本发明的无线电能传输的收发线圈相对位置检测装置的立体结构示意图；图2为本发明的无线电能传输的收发线圈相对位置检测装置的俯视结构示意图；图3为本发明的无线电能传输的收发线圈相对位置检测装置的左视结构示意图；图4为本发明的无线电能传输的收发线圈相对位置检测装置的采样电路的结构示意图。Please refer to Figures 1 to 4, wherein, Figure 1 is a schematic diagram of the three-dimensional structure of the device for detecting the relative position of the transceiver coil for wireless power transmission of the present invention; Figure 2 is a top view of the device for detecting the relative position of the transceiver coil for wireless power transmission of the present invention Schematic diagram of the structure; FIG. 3 is a left view structural diagram of the relative position detection device of the transceiver coil for wireless power transmission of the present invention; FIG. 4 is a schematic structural diagram of the sampling circuit of the relative position detection device of the transceiver coil for wireless power transmission of the present invention.
本发明的无线电能传输的收发线圈相对位置检测装置的结构为：不少于三个的采样电感线圈C1、C2、C3以多边形顶点的位置固定于电能无线接收设备的电能接收电感线圈B周围，以在无线电能传输时采集电能发射电感线圈A的电能强度；通过图4所示的采样电路比较多个采样电感线圈C1、C2、C3所采电压，便可由充电管理系统用几何运算确定电能接收电感线圈B与电能发射电感线圈A之间的相对位置；最后，将此相对位置呈现于人机交互界面。The structure of the device for detecting the relative position of the transmitting and receiving coils for wireless energy transmission of the present invention is as follows: no less than three sampling inductance coils C1, C2, and C3 are fixed around the electric energy receiving inductive coil B of the electric energy wireless receiving device at the position of the vertices of the polygon, To collect the power intensity of the power transmitting inductance coil A during wireless power transmission; compare the voltages collected by multiple sampling inductance coils C1, C2, and C3 through the sampling circuit shown in Figure 4, and then the charging management system can use geometric calculations to determine the power receiving The relative position between the inductance coil B and the power transmitting inductance coil A; finally, the relative position is presented on the human-computer interaction interface.
由此，本发明的无线电能传输的收发线圈相对位置检测装置，包括：电能发射电感线圈、电能接收电感线圈、采样电感线圈、采样电路、充电管理系统以及人机交互界面；其中，所述电能发射电感线圈与所述电能接收电感线圈之间无任何物理连接或机械接触；所述采样电感线圈不少于三个，以多边形顶点的位置固定于所述电能接收电感线圈的周围；所述采样电感线圈分别与所述采样电路电连接；所述采样电路与所述充电管理系统电连接，所述充电管理系统与所述人机交互界面电连接。Therefore, the device for detecting the relative position of the transceiver coil for wireless energy transmission of the present invention includes: an electric energy transmitting inductive coil, an electric energy receiving inductive coil, a sampling inductive coil, a sampling circuit, a charging management system, and a human-computer interaction interface; wherein, the electric energy There is no physical connection or mechanical contact between the transmitting inductive coil and the electric energy receiving inductive coil; there are no less than three sampling inductive coils, which are fixed around the electric energy receiving inductive coil at the positions of polygonal vertices; the sampling The inductance coils are respectively electrically connected to the sampling circuits; the sampling circuits are electrically connected to the charging management system, and the charging management system is electrically connected to the man-machine interface.
优选地，当所述电能发射电感线圈与所述电能接收电感线圈同轴心时，所述电能发射电感线圈、所述电能接收电感线圈以及所述采样电感线圈均为以电能发射电感线圈轴心为对称布置。Preferably, when the power transmitting inductive coil is coaxial with the power receiving inductive coil, the power transmitting inductive coil, the power receiving inductive coil and the sampling inductive coil are all centered on the power transmitting inductive coil arranged symmetrically.
本发明还提供一种无线电能传输的收发线圈相对位置检测方法，其包括上述的无线电能传输的收发线圈相对位置检测装置，检测步骤如下：The present invention also provides a method for detecting the relative position of the transceiver coil for wireless energy transmission, which includes the above-mentioned device for detecting the relative position of the transceiver coil for wireless energy transmission, and the detection steps are as follows:
1)设定当电能接收电感线圈与电能发射电感线圈在给定轴向距离的前提下，两者处于同轴位置时，三个采样电感线圈的感应电压为U、V、W，为位置对正时的基准采样感应电压；1) It is set that when the electric energy receiving inductance coil and the electric energy transmitting inductance coil are at a given axial distance, when the two are in the coaxial position, the induced voltages of the three sampling inductance coils are U, V, W, which is the position pair Timing reference sampling induced voltage;
2)将带有所述采样电感线圈的电能接收电感线圈初步移动到所述电能发射电感线圈的轴向上，粗定位；2) Preliminarily move the electric energy receiving inductive coil with the sampling inductive coil to the axial direction of the electric energy transmitting inductive coil for rough positioning;
3)检测各个采样电感线圈的感应电压Ux\Vx\Wx，分别判断是否满足：Ux＝U、Vx＝V、Wx＝W；3) Detect the induced voltage Ux\Vx\Wx of each sampling inductance coil, and judge whether to satisfy: Ux=U, Vx=V, Wx=W;
4)如果没有达到上述条件，则通过驱动装置或人工在同一平面上，移动带有所述采样电感线圈的电能接收电感线圈，再次检测各个采样电感线圈的感应电压Ux\Vx\Wx；并再次分别判断是否满足：Ux＝U、Vx＝V、Wx＝W；4) If the above conditions are not met, move the electric energy receiving inductance coil with the sampling inductance coil on the same plane through the driving device or manually, and detect the induced voltage Ux\Vx\Wx of each sampling inductance coil again; and again Respectively judge whether to meet: Ux=U, Vx=V, Wx=W;
5)如果仍未达到步骤3)所述条件则重复执行步骤4)；如果达到步骤3)所述条件则实现位置对中，检测对位过程结束。5) If the condition described in step 3) is still not met, step 4) is repeated; if the condition described in step 3) is met, the position alignment is realized, and the detection alignment process ends.
优选地，所述基准采样感应电压通过实验测量或理论计算获得。Preferably, the reference sampling induced voltage is obtained through experimental measurement or theoretical calculation.
优选地，当所述电能发射电感线圈和电能接收电感线圈在轴心对正情况下，所述电能发射电感线圈、所述电能接收电感线圈以及所述采样电感线圈均为以电能发射电感线圈轴心对称布置时，所述U＝V＝W。Preferably, when the axis of the power transmitting inductor coil and the power receiving inductor coil are aligned, the power transmitting inductor coil, the power receiving inductor coil and the sampling inductor coil all use the axis of the power transmitting inductor coil When arranged symmetrically, U=V=W.
此外，本发明还提供一种无线充电汽车，其包括上述的无线电能传输的收发线圈相对位置检测装置。请参照图5～8所示，其中，图5为本发明无线充电汽车的立体结构示意图一；图6为本发明无线充电汽车的俯视结构示意图；图7为本发明无线充电汽车的左视结构示意图；图8为本发明无线充电汽车的立体结构示意图二。其最优实施方案可为：把三个采样电感线圈C1、C2、C3以正多边形顶点的位置安装于汽车底部的圆形电能接收电感线圈B周围，且三个所述采样电感线圈皆设于采样电路中；当汽车D需要充电时，汽车D接近无线充电车位F，设于无线充电车位F的地面E上的圆形电能发射电感线圈A开始以较少的能量输出，汽车驶入无线充电车位F；当电能接收电感线圈B未能对准电能发射电感线圈A时，采样电感线圈C1、C2、C3所采电压不一致，经采样电路比较、充电管理系统G进行几何运算，可得出电能接收电感线圈B与电能发射电感线圈A间的相对位置，并通过人机交互界面H提醒司机进行位置调整；当电能接收电感线圈B与电能发射电感线圈A对准后，电能无线传输装置才开始以大功率能量输出对汽车电池进行充电；为了得到更精确和更大范围的定位，可视情况增加采样电感线圈的数量，并分散于汽车D底部。In addition, the present invention also provides a wireless charging vehicle, which includes the above-mentioned device for detecting the relative position of the transmitting and receiving coils for wireless power transmission. Please refer to Figures 5 to 8, wherein Figure 5 is a three-dimensional structural schematic diagram of a wireless charging vehicle of the present invention; Figure 6 is a schematic top view of a wireless charging vehicle of the present invention; Figure 7 is a left view structure of a wireless charging vehicle of the present invention Schematic diagram; FIG. 8 is a second schematic diagram of the three-dimensional structure of the wireless charging vehicle of the present invention. Its optimal implementation can be: the three sampling inductance coils C1, C2, C3 are installed around the circular electric energy receiving inductance coil B at the bottom of the car at the positions of the vertices of the regular polygon, and the three sampling inductance coils are all arranged on In the sampling circuit; when the car D needs to be charged, the car D is close to the wireless charging parking space F, and the circular power transmitting inductance coil A set on the ground E of the wireless charging parking space F starts to output less energy, and the car enters the wireless charging Parking space F; when the electric energy receiving inductance coil B fails to align with the electric energy transmitting inductive coil A, the voltages collected by the sampling inductance coils C1, C2, and C3 are inconsistent, and the electric energy can be obtained by comparing the sampling circuit and the geometric operation of the charging management system G The relative position between the receiving inductance coil B and the power transmitting inductive coil A, and remind the driver to adjust the position through the human-computer interface H; when the power receiving inductive coil B is aligned with the power transmitting inductive coil A, the wireless power transmission device starts Charge the car battery with high-power energy output; in order to obtain more accurate and wider positioning, the number of sampling inductance coils can be increased according to the situation, and scattered at the bottom of the car D.
本发明的无线电能传输的收发线圈相对位置检测装置构造简单，定位快速准确，而方法作为无线电能传输设备的电能收、发电感线圈相对位置的确定方法，对无线电能传输设备的自动或手动对准奠定基础。The device for detecting the relative position of the transmitting and receiving coils for wireless energy transmission of the present invention has a simple structure and fast and accurate positioning. To lay the foundation.
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.
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Effective date of registration: 20180314 Address after: 518172 B seat 603-604 of Tianan digital new town, Longgang District, Shenzhen, Guangdong province 603-604 Applicant after: ZONECHARGE (SHENZHEN) WIRELESS POWER TECHNOLOGY Co.,Ltd. Address before: Laishan Mingda road 264000 Shandong city of Yantai province No. 11 Huitong building Applicant before: ZONECHARGE WIRELESS POWER TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Device and method for detecting the relative position of transmitting and receiving coils in wireless power transmission Granted publication date: 20190607 Pledgee: Huishang Bank Co.,Ltd. Fuyang Yingquan Branch Pledgor: ZONECHARGE (SHENZHEN) WIRELESS POWER TECHNOLOGY Co.,Ltd. Registration number: Y2024980029765 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Granted publication date: 20190607 Pledgee: Huishang Bank Co.,Ltd. Fuyang Yingquan Branch Pledgor: ZONECHARGE (SHENZHEN) WIRELESS POWER TECHNOLOGY Co.,Ltd. Registration number: Y2024980029765 |