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WO2018196384A1 - 一种新能源汽车无线充电对位系统 - Google Patents

一种新能源汽车无线充电对位系统 Download PDF

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Publication number
WO2018196384A1
WO2018196384A1 PCT/CN2017/114786 CN2017114786W WO2018196384A1 WO 2018196384 A1 WO2018196384 A1 WO 2018196384A1 CN 2017114786 W CN2017114786 W CN 2017114786W WO 2018196384 A1 WO2018196384 A1 WO 2018196384A1
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WO
WIPO (PCT)
Prior art keywords
wireless charging
protective casing
new energy
vehicle
position detecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/114786
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English (en)
French (fr)
Inventor
焦来磊
李晓伟
马邦华
黄勇华
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Zonecharge Wireless Power Technology Co Ltd
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Zonecharge Wireless Power Technology Co Ltd
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Filing date
Publication date
Application filed by Zonecharge Wireless Power Technology Co Ltd filed Critical Zonecharge Wireless Power Technology Co Ltd
Publication of WO2018196384A1 publication Critical patent/WO2018196384A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B60L53/126—Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
    • 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
    • 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
    • B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
    • 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
    • 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
    • B60L53/37—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
    • 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
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to the field of wireless charging technologies, and in particular, to a wireless charging alignment system for a new energy vehicle.
  • wireless charging is the development direction of new energy electric vehicle charging, and has been upgraded to the national technology strategy level.
  • the wireless charging coil of the wireless charging system needs to be accurately aligned with the new energy electric vehicle.
  • the wireless charging coil and the new energy electric vehicle have a large deviation deviation or the vehicle is in the charging process
  • the wireless charging system needs to automatically process and alarm.
  • the alignment of the new energy vehicle and the wireless charging system is generally realized by the driver during the parking process, and the driver's driving technology is highly demanded, and the driver needs to repeatedly adjust the position of the new energy vehicle to ensure the new energy vehicle and the wireless.
  • the charging coil of the charging system is accurately aligned, resulting in the charging efficiency of the wireless charging system being unguaranteed.
  • the present invention provides a wireless charging alignment system for a new energy vehicle to shorten the accurate alignment time of the wireless charging coil of the new energy vehicle and the wireless charging system, so as to improve the charging efficiency of the wireless charging system.
  • the present invention provides the following technical solutions:
  • a wireless charging alignment system for new energy vehicles including:
  • An identification line disposed on the ground, the number of the identification lines being two and respectively located in the wireless charging system Both sides of the wireless charging coil;
  • a parking limiter disposed on the marking line
  • An image device capable of displaying an image of the relative position of the vehicle relative to the identification line and capable of providing the driver with an image of the relative position of the vehicle relative to the identification line.
  • the method further comprises:
  • a position detecting device is provided on the ground for prompting the driver whether the vehicle is in a aligning position, and the position detecting device is communicatively coupled to a controller of the wireless charging system.
  • the position detecting device is a distance sensor, and the number of the distance sensors is two, and the distance sensor is located outside the two identification lines.
  • the position detecting device comprises:
  • Protecting the outer casing, the inside of the protective casing is provided with a cavity, and the upper end of the protective casing is an open end;
  • a post disposed in the cavity and perpendicular to a bottom wall of the protective casing, the number of the pillars being at least four, and the pillars are evenly distributed along an inner wall of the cavity;
  • a travel switch disposed in the inner cavity of the outer casing
  • An upper cover for closing the protective casing and capable of pressing the travel switch to close the travel switch the upper cover being connected to a side wall of the protective casing by a folding rubber.
  • the upper cover plate is provided with a protection column corresponding to the position of the pillar.
  • the protective casing is a steel protective casing or an iron protective casing
  • the upper cover is a steel upper cover or an iron upper cover.
  • the travel switch is a waterproof travel switch.
  • the above-mentioned new energy vehicle wireless charging alignment system further comprising a spring sleeved on the outer wall of the pillar, the spring end being connected to the bottom wall of the protective casing, and the other end and the upper cover Offset.
  • the protective casing has a rectangular parallelepiped shape.
  • the outer casing is protected by four, and the pillars are located at four corner positions of the rectangular protective casing.
  • the image device is mounted on the rear side of the vehicle body of the vehicle.
  • the wireless energy charging and aligning system for a new energy vehicle includes a marking line, a parking limiter and an image device.
  • the parking limiter limits the reverse position of the vehicle
  • the image device and the identification line cooperate to limit the relative position of the vehicle and the marked line.
  • the driver timely adjusts the position of the vehicle body according to the position image of the vehicle body relative to the identification line fed back by the image device, thereby effectively reducing the difficulty of accurately aligning the new energy vehicle with the wireless charging coil, thereby effectively shortening the new energy vehicle to a certain extent.
  • the accurate alignment time of the wireless charging coil improves the charging efficiency of the wireless charging system.
  • FIG. 1 is a schematic structural diagram of a wireless charging alignment system for a new energy vehicle according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a position detecting apparatus according to an embodiment of the present invention.
  • FIG. 3 is a top plan view of a position detecting device according to an embodiment of the present invention.
  • the invention discloses a wireless charging alignment system for a new energy vehicle, so as to shorten the accurate alignment time of the wireless charging coil of the new energy vehicle and the wireless charging system, so as to improve the charging efficiency of the wireless charging system.
  • FIG. 1 is a schematic structural diagram of a wireless charging alignment system for a new energy vehicle according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a position detecting apparatus according to an embodiment of the present invention
  • the invention discloses a wireless charging alignment system for a new energy vehicle, comprising an identification line 1, a parking limiter 3 and an imaging device.
  • the identification line 1 is disposed on the ground, and the number of the identification lines 1 is two and located on both sides of the wireless charging coil 2 of the wireless charging system. Preferably, the distance between the two identification lines 1 is greater than the width of the vehicle body.
  • the identification line 1 provides a position reference for the driver to reverse the vehicle, which reduces the difficulty for the driver to accurately align the new energy electric vehicle with the wireless charging coil 2.
  • the wireless charging coil 2 is located between the two identification lines 1.
  • the marking line 1 is set on the ground and does not protrude from the ground to a high distance, so as to avoid affecting other activities on the ground, and is usually made by painting dash or reflective tape.
  • the parking stopper 3 is disposed on the ground and located on the marking line 1. When the vehicle is backed up, the vehicle can be prevented from continuing to retreat. The parking stopper 3 makes it unnecessary for the driver to consider the positional deviation of the vehicle body with respect to the front-rear direction of the wireless charging coil 2 when parking. When the vehicle is reversed to the parking stopper 3, the wheel is blocked and the vehicle is stopped.
  • the imaging device is capable of displaying an image of the relative position of the vehicle relative to the marker line 1 during reverse driving and is capable of providing the driver with an image of the relative position of the vehicle relative to the marker line 1.
  • the image device can generate an image of the position of the vehicle body relative to the identification line 1 during the vehicle reversing process, and can feed the image back to the driver.
  • the driver timely adjusts the position of the vehicle body according to the image of the image device, and shortens the new position to some extent.
  • the image device is matched with the identification line 1, and the driver adjusts the position of the vehicle body in time according to the position image of the vehicle body with respect to the identification line 1 fed back by the image device, thereby effectively reducing the accurate alignment between the new energy vehicle and the wireless charging coil 2. Difficulty, thus effectively shortening the accurate alignment time of the new energy vehicle and the wireless charging coil 2 to a certain extent, and improving the charging efficiency of the wireless charging system.
  • the reversing image system is the image device, and the vehicle body does not need to be modified. If the reversing image system is not installed on the new energy vehicle, It is necessary to modify the car body and install an image system on the car body.
  • Image The system includes an image acquisition system capable of acquiring a position corresponding to the vehicle body and the identification line 1, and an image display system capable of displaying an image so that the driver can see the image information collected by the image acquisition system.
  • the wireless charging alignment system for new energy vehicles also includes:
  • a position detecting device 4 is provided on the ground and between the two identification lines 1 for prompting the driver whether the vehicle is in the exact alignment position, and the position detecting device 4 is communicatively coupled to the controller 5 of the wireless charging system.
  • the position detecting device 4 transmits an accurate alignment signal to the controller 5, and the controller 5 controls the power conversion component to output the corresponding power to charge the new energy vehicle as a new energy source.
  • the position detecting means 4 transmits a signal that is not accurately aligned to the controller 5, and the controller 5 controls the power converting element to be inoperative or to stop operating.
  • the controller 5 of the wireless charging system is a total control device for the wireless charging system of the electric vehicle, and has a power conversion component, an information acquisition component, a control component, a communication component, a local human-machine interaction component, and an acousto-optic prompt component, and the wireless charging coil 2 and the control 5 communication connection.
  • the position detecting device 4 is a distance sensor, and the number of distance sensors is two, and the distance sensor is located outside the two identification lines 1.
  • the distance sensor is located outside the two identification lines 1 and the two distance sensors are respectively located on two sides of the space surrounded by the two identification lines 1.
  • the distance sensor is equal to the distance from the ipsilateral identification line 1 and can detect the positional deviation of the middle of the vehicle body relative to the identification line 1 and the distance of the vehicle body relative to the wireless charging coil 2, when the vehicle body is positioned relative to the identification line 1.
  • the distance sensor sends an alarm to prompt the driver to adjust the position of the vehicle body.
  • the distance sensor does not issue an alarm. Specifically, when the position of the vehicle body relative to the position of the identification line 1 is close to which position sensor, which position sensor issues an alarm, prompting the driver to adjust the direction of the vehicle body.
  • the distance sensor detects that the vehicle body is in the exact alignment position. At this time, the distance sensor sends a signal to the controller 5, and the controller 5 controls the power conversion component to output the corresponding power to perform the new energy vehicle.
  • the distance sensor detects that the distance between the vehicle body and the wireless charging coil 2 is greater than a preset distance, and at this time, the distance sensor sends a signal to the controller 5, and the controller 5 Control the power conversion component to not work or stop working.
  • the position detecting device 4 is located between the two identification lines 1. Preferably, the position detecting device 4 is located directly below the tire after the vehicle is accurately aligned.
  • the position detecting device 4 in this embodiment includes a protective casing 41, a stay 42, a stroke switch 43, and an upper cover 44.
  • the inside of the protective casing 41 is provided with a cavity, and the strut 42 and the stroke switch 43 are both located in the cavity.
  • the upper end of the protective casing 41 is an open end for facilitating the mounting of the strut 42 and the travel switch 43.
  • the number of the pillars 42 is at least four and perpendicular to the bottom wall of the protective casing 41.
  • the pillars 42 can function to support the tire, and in order to ensure stable support for the tire,
  • the struts 42 are evenly distributed along the inner wall of the cavity.
  • the travel switch 43 the travel switch 43 is closed, and a signal is transmitted to the controller 5, and the closing of the travel switch 43 is achieved by the pressing of the tire. After the tire is removed, the travel switch 43 is automatically disengaged.
  • the upper cover 44 is used to close the open end of the protective casing 41, so that the position detecting device 4 has waterproof performance, and protects the stroke switch 43 to extend the service life of the position detecting device 4.
  • the tire is directly pressed against the upper cover 44, and the upper cover 44 is lowered to press the stroke switch 43 to close the stroke switch 43.
  • the upper cover 44 and the side wall of the protective casing 41 are connected by a folding rubber 45. When the tire leaves the position detecting device 4, the upper cover 44 rises under the elastic force of the folding rubber 45, and the stroke switch is no longer pressed.
  • the number of position detecting devices 4 is plural, and the plurality of position detecting devices 4 are disposed on the same straight line, and the straight line where the plurality of position detecting devices 4 are located is perpendicular to the marking line 1.
  • the number of position detecting devices 4 is an even number, wherein the two position detecting devices 4 are located directly below the tire at the exact alignment position of the vehicle.
  • the travel switch 43 sends a signal to the controller 5, and the controller 5 controls the control power conversion element to output the corresponding power to charge the new energy vehicle;
  • the limit switch 43 of the corresponding position detecting device 4 sends a signal to the controller 5, and the controller 5 controls the power conversion element to be inoperative;
  • the travel switch 43 sends a signal to the controller 5, and the controller 5 The control power conversion element stops working.
  • the position detecting device 41 and the position detecting device 46 are positions of the tire when the vehicle is accurately aligned, and the position detecting device 42, the position detecting device 43, the position detecting device 44, and the position detecting device 45 are located at the position detecting device 41 and Between the position detecting devices 46.
  • the wheel is pressed against the position detecting device 41 and the position detecting device 46.
  • the position detecting device 41 and the position detecting device 46 send a signal to the controller 5, and the controller 5 detects that the detecting device 1 and the position detecting device 46 are simultaneously depressed.
  • the position indicator of the controller 5 is lit normally, and the speaker of the controller 5 also prompts that the car has reached the specified accurate position, and the entire parking process is completed; if the new energy vehicle has left and right deviation, then the wheel is not At the same time, it will be pressed on the sensor 1 and the sensor 6.
  • the vehicle will be prompted to the left, and if the position detecting device 42 or the position detecting device 43 is depressed, the vehicle will be biased. Right, when the position detecting device 4 is not pressed, the controller 5 is silent, and the number of sensors can be increased and decreased according to the accuracy requirements of the site position detection, and the principle is the same.
  • the upper cover 44 is provided with a protection pillar 46 corresponding to the position of the pillar 42.
  • the protection pillar 46 is attached to the upper end surface of the pillar 42.
  • the installation of the protection pillar 46 can protect the travel switch 43 to avoid certain protection.
  • the depression distance of the upper cover 44 to the stroke switch 43 exceeds the limit of the stroke switch 43.
  • the protective casing 41 is a steel protective casing or an iron protective casing
  • the upper cover 44 is a steel upper cover or an iron upper cover.
  • the protective casing 41 and the upper cover 44 can also be made of other metal materials having higher strength to ensure the strength of use of the protective casing 41 and the upper cover 44.
  • the stroke switch 43 is a waterproof stroke switch, which further improves the waterproof performance of the position detecting device 4 and prolongs the service life of the position detecting device 4.
  • the position detecting device 4 further includes a spring 47 sleeved on the outer wall of the strut 42.
  • One end of the spring 47 is connected to the bottom wall of the protective casing 41, and the other end is abutted against the upper cover 44.
  • the spring 47 is designed to reset the upper cover 44.
  • the auxiliary function ensures that the upper cover 44 can be reset, improving the reliability of the position detecting device 4.
  • the protective casing 41 is a rectangular parallelepiped protective casing, the number of the pillars 42 is four, and the pillars 42 are located at four corner positions of the rectangular parallelepiped protective casing.
  • the protective casing 41 can also be cylindrically protected
  • the outer casing, the pillars 42 are evenly distributed along the inner circumference of the cylindrical protective casing
  • the image device is installed on the rear side of the vehicle body to facilitate collecting the position information of the vehicle body relative to the identification line 1.
  • the width of the dimension line in the image display system of the influencing device is equal to the width between the marker lines 1.
  • the wireless charging can be started by the mobile phone software, and the controller 5 determines that the vehicle is stopped after the signal of the position detecting device 4, and then controls the power conversion component to output the corresponding power to charge the new energy vehicle. If the controller 5 judges that the vehicle is not stopped, the power conversion element does not work or stops working, so that the wireless charging security is greatly guaranteed.
  • the wireless energy charging alignment system of the new energy vehicle provided by the scheme is simple, low in cost, strong in operability, and solves the problem of parking difficulty, realizing automatic real-time detection of position information by the wireless charging system, thereby realizing wireless charging.
  • the entire process of the system is automated.
  • the parking limiter 3 is installed on the ground, the parking limiter 3 can be an ordinary parking limiter 3; in the second step, the vehicle is driven into the charging area of the wireless charging coil 2, and the vehicle is stopped and drawn. In the third step, the vehicle is driven away, and the position detecting device 4 is placed in the corresponding position, the signal line is connected to the controller 5, and the corresponding remote signal collecting port is connected according to the position number of the position detecting device 4; Step, install the reversing image system on the car. When the vehicle has just left the standard alignment charging position, check the image system display and mark the marking line 1 on the ground.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

一种新能源汽车无线充电对位系统，包括标识线（1）、停车限位器（3）和影像装置。其中停车限位器（3）限制车辆的倒车位置，影像装置与标识线（1）配合限制车辆与标识线（1）的相对位置。驾驶者根据影像装置反馈的车体相对于标识线（1）的位置图像及时调整车体位置，有效降低了新能源汽车与无线充电线圈准确对位的难度，从而在一定程度上有效缩短了新能源汽车与无线充电线圈的准确对位时间，提高了无线充电系统的充电效率。

Description

一种新能源汽车无线充电对位系统
本申请要求于2017年04月26日提交中国专利局、申请号为201710283038.8、发明名称为“一种新能源汽车无线充电对位系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及无线充电技术领域，特别涉及一种新能源汽车无线充电对位系统。
背景技术
随着无线充电技术的发展，业界越来越多的人认为无线充电是新能源电动汽车充电的发展方向，并且已提升为国家技术战略层面。
为了尽量提高无线充电系统的充电效率，就需要无线充电系统的无线充电线圈与新能源电动汽车准确对位，当无线充电线圈与新能源电动汽车的对位偏差较大或者车辆在充电过程中驶离时无线充电线圈预设距离，就需要无线充电系统自动处理并报警提示。
现有技术中新能源汽车与无线充电系统的对位一般通过司机在泊车过程中实现，对司机的驾驶技术要求较高，司机需要反复调整新能源汽车的位置，才能保证新能源汽车与无线充电系统的充电线圈准确对位，导致无线充电系统的充电效率无法保证。
因此，如何缩短新能源汽车与无线充电系统的无线充电线圈的准确对位时间，以提高无线充电系统的充电效率，成为本领域技术人员亟待解决的技术问题。
发明内容
有鉴于此，本发明提供了一种新能源汽车无线充电对位系统，以缩短新能源汽车与无线充电系统的无线充电线圈的准确对位时间，以提高无线充电系统的充电效率。
为实现上述目的，本发明提供如下技术方案：
一种新能源汽车无线充电对位系统，包括：
设置在地面上的标识线，所述标识线的个数为两条且分别位于无线充电系 统的无线充电线圈的两侧；
设置在所述标识线上的停车限位器；
能够显示车辆相对于所述标识线相对位置的图像且能够向驾驶者提供所述车辆相对于所述标识线相对位置的图像的影像装置。
优选的，在上述新能源汽车无线充电对位系统，还包括：
设置在地面上用于提示所述驾驶者所述车辆是否位于对位位置的位置检测装置，所述位置检测装置与所述无线充电系统的控制器通信连接。
优选的，在上述新能源汽车无线充电对位系统，所述位置检测装置为距离传感器，所述距离传感器的个数为2个，所述距离传感器位于两条所述标识线的外侧。
优选的，在上述新能源汽车无线充电对位系统，所述位置检测装置包括：
保护外壳，所述保护外壳的内部设置有空腔，所述保护外壳的上端为开放端；
支柱，所述支柱设置在所述空腔内且与所述保护外壳的底壁垂直，所述支柱的个数至少为四个，且所述支柱沿所述空腔的内壁均匀分布；
设置在所述外壳内腔的行程开关；
用于封闭所述保护外壳且能够按压所述行程开关使所述行程开关闭合的上盖板，所述上盖板与所述保护外壳的侧壁通过折叠橡胶连接。
优选的，在上述新能源汽车无线充电对位系统，所述上盖板设置有与所述支柱位置对应的保护立柱。
优选的，在上述新能源汽车无线充电对位系统，所述保护外壳为钢质保护外壳或者铁质保护外壳，所述上盖板为钢质上盖板或者铁质上盖板。
优选的，在上述新能源汽车无线充电对位系统，所述行程开关为防水行程开关。
优选的，在上述新能源汽车无线充电对位系统，还包括套设在所述支柱外壁的弹簧，所述弹簧一端与所述保护外壳的所述底壁连接，另一端与所述上盖板相抵。
优选的，在上述新能源汽车无线充电对位系统，所述保护外壳为长方体形 保护外壳，所述支柱的个数为四个，且所述支柱位于所述长方体形保护外壳的四个拐角位置。
优选的，在上述新能源汽车无线充电对位系统，所述影像装置安装在所述车辆的车体后侧。
从上述技术方案可以看出，本发明提供的新能源汽车无线充电对位系统，包括标识线、停车限位器和影像装置。本方案中停车限位器限制车辆的倒车位置，影像装置与标识线配合限制车辆与标示线的相对位置。驾驶者根据影像装置反馈的车体相对于标识线的位置图像及时调整车体位置，有效降低了新能源汽车与无线充电线圈准确对位的难度，从而在一定程度上有效缩短了新能源汽车与无线充电线圈的准确对位时间，提高了无线充电系统的充电效率。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的新能源汽车无线充电对位系统的结构示意图；
图2为本发明实施例提供的位置检测装置的结构示意图；
图3本发明实施例提供的位置检测装置的俯视图。
1、标识线，2、无线充电线圈，3、停车限位器，4、位置检测装置，41、保护外壳，42、支柱，43、行程开关，44、上盖板，45、折叠橡胶，46、保护立柱，47、弹簧，5、控制器。
具体实施方式
本发明公开了一种新能源汽车无线充电对位系统，以缩短新能源汽车与无线充电系统的无线充电线圈的准确对位时间，以提高无线充电系统的充电效率。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1-图3，图1为本发明实施例提供的新能源汽车无线充电对位系统的结构示意图；图2为本发明实施例提供的位置检测装置的结构示意图；图3本发明实施例提供的位置检测装置的俯视图。
本发明公开了一种新能源汽车无线充电对位系统，包括标识线1、停车限位器3和影像装置。
标识线1设置在地面上，标识线1的个数为两条且分别位于无线充电系统的无线充电线圈2的两侧，优选的，两条标识线1之间的距离大于车辆的车体宽度，标识线1为驾驶员倒车提供位置参考，降低驾驶员将新能源电动汽车与无线充电线圈2准确对位的难度。
无线充电线圈2位于两条标识线1之间。
标识线1设置在地面上，且不会凸出于地面很高的距离，避免对地面上的其他活动造成影响，一般采用油漆划线或者反光带粘贴制作。
停车限位器3设置在地面上，且位于标识线1上，当车辆倒车到位后，能够阻止车辆继续后退。停车限位器3使驾驶员在泊车时不必考虑车体相对于无线充电线圈2前后方向的位置偏差，当车辆倒车至停车限位器3后，车轮被挡住，车辆停止。
影像装置能够显示倒车过程中车辆相对于标识线1相对位置的图像且能够向驾驶者提供车辆相对于标识线1相对位置的图像。影像装置能够生成车辆倒车过程中车体相对于标识线1的位置的图像，且能够将该图像反馈给驾驶者，驾驶者根据影像装置的图像及时调整车体位置，在一定程度上缩短了新能源汽车与无线充电线圈2的准确对位时间。
本方案中通过影像装置与标识线1配合，驾驶者根据影像装置反馈的车体相对于标识线1的位置图像及时调整车体位置，有效降低了新能源汽车与无线充电线圈2准确对位的难度，从而在一定程度上有效缩短了新能源汽车与无线充电线圈2的准确对位时间，提高了无线充电系统的充电效率。
在方案的一个具体实施例中，如果新能源汽车上装设有倒车影像系统，该倒车影像系统即为影像装置，则不需要对车体进行改装，如果新能源汽车上没有装设倒车影像系统，则需要对车体进行改装，在车体上安装影像系统。影像 系统既包括能够采集车体与标识线1对应位置的图像采集系统，还包括能够显示图像的图像显示系统，以使驾驶者能够看到图像采集系统采集的图像信息。
为了进一步提高新能源汽车无线充电对位系统使用的可靠性，本方案提供的新能源汽车无线充电对位系统还包括：
设置在地面上且位于两条标识线1之间用于提示驾驶者车辆是否位于准确对位位置的位置检测装置4，位置检测装置4与无线充电系统的控制器5通信连接。
当新能源汽车与无线充电线圈2准确对位后，位置检测装置4将准确对位的信号传递给控制器5，控制器5控制功率变换元件输出对应功率进行对新能源汽车进行充电当新能源汽车与无线充电线圈2没有准确对位或者驶离无线充电线圈2时，位置检测装置4将未准确对位的信号传递给控制器5，控制器5控制功率变换元件不工作或停止工作。
无线充电系统的控制器5是电动汽车无线充电系统的总控设备，具有功率变换元件、信息采集元件、控制元件、通信元件、本地人机交互元件和声光提示元件，无线充电线圈2与控制器5通信连接。
在本方案的一个实施例中，位置检测装置4为距离传感器，距离传感器的个数为2个，距离传感器位于两条标识线1的外侧。距离传感器位于两条标识线1围成空间的外侧，且两个距离传感器分别位于两条标识线1围成空间的两侧。优选的，距离传感器距离同侧标识线1的距离相等，能够检测车体中间相对于标识线1的位置偏差和车体相对于无线充电线圈2的距离，当车体相对于标识线1的位置偏差超出预设范围时，距离传感器发出警报，提示驾驶者调整车体位置，当车体相对于标识线1的位置偏差没有超出预设范围时，距离传感器不发出警报。具体的，当车体相对于标识线1的位置偏差靠近哪个位置传感器，哪个位置传感器就发出警报，提示驾驶者向哪个方向调整车体。当车体与停车限位器3接触后，距离传感器检测车体处于准确对位位置，此时距离传感器向控制器5发出信号，控制器5控制功率变换元件输出对应功率进行对新能源汽车进行充电，当车体驶离时，距离传感器紧检测车体与无线充电线圈2之间的距离大于预设距离，此时距离传感器向控制器5发出信号，控制器5 控制功率变换元件不工作或停止工作。
在本方案的另一个实施例中，位置检测装置4位于两条标识线1之间，优选的，位置检测装置4位于车辆准确对位后轮胎的正下方。
该实施例中位置检测装置4包括保护外壳41、支柱42、行程开关43和上盖板44。
保护外壳41的内部设置有空腔，支柱42和行程开关43均位于空腔内，本方案中保护外壳41的上端为开放端，便于支柱42和行程开关43的安装。
支柱42的个数至少为四个且与保护外壳41的底壁垂直，当车辆的轮胎位于位置检测装置4上时，支柱42能够起到支撑轮胎的作用，而为了保证对轮胎的稳定支撑，支柱42沿空腔的内壁均匀分布。
行程开关43，行程开关43闭合，向控制器5传递信号，行程开关43的闭合通过轮胎的按压实现，轮胎离开后，行程开关43自行断开。
上盖板44用于封闭保护外壳41的开放端，使位置检测装置4具有防水性能，对行程开关43起到保护作用，延长位置检测装置4的使用寿命。
轮胎直接压在上盖板44，上盖板44下降按压行程开关43使行程开关43闭合。上盖板44与保护外壳41的侧壁通过折叠橡胶45连接，当轮胎离开位置检测装置4，上盖板44在折叠橡胶45的弹力作用下上升，不再按压行程开关。
优选的，位置检测装置4的个数为多个，多个位置检测装置4设置在同一直线上，且多个位置检测装置4所在的直线与标识线1垂直。
优选的，位置检测装置4的个数为偶数个，其中两个位置检测装置4位于车辆准确对位位置的轮胎正下方。
当轮胎正好位于车辆准确对位位置的位置检测装置4的正上方时，行程开关43向控制器5发送信号，控制器5控制控制功率变换元件输出对应功率进行对新能源汽车进行充电；
当轮胎位于其他位置检测装置4上时，相应的位置检测装置4的行程开关43向控制器5发送信号，控制器5控制功率变换元件不工作；
当车辆驶离无线充电系统，行程开关43向控制器5发送信号，控制器5 控制功率变换元件停止工作。
如图1所示，位置检测装置4①和位置检测装置4⑥为车辆准确对位时轮胎的位置，位置检测装置4②、位置检测装置4③、位置检测装置4④和位置检测装置4⑤位于位置检测装置4①和位置检测装置4⑥之间。
车轮正好压在位置检测装置4①和位置检测装置4⑥上，位置检测装置4①和位置检测装置4⑥向控制器5发送信号，控制器5检测到检测装置①和位置检测装置4⑥同时被压下后会有声光提示，控制器5的位置正常指示灯点亮，并且控制器5的扬声器也会提示车已到指定准确位置，整个泊车过程完成；如果新能源汽车有左右偏差，那么车轮就不会同时压在传感器1和传感器6上，如果位置检测装置4④或者位置检测装置4⑤被压下，会提示车辆偏左，同样如果位置检测装置4②或者位置检测装置4③被压下，会提示车辆偏右，没有位置检测装置4压下时控制器5无提示，传感器数量可根据现场位置检测精度要求进行增加减少，原理相同。
上盖板44设置有与支柱42位置对应的保护立柱46，按压过程中，保护立柱46与支柱42的上端面贴合，保护立柱46的设置能够对行程开关43起到一定的保护作用，避免上盖板44对行程开关43的下压距离超过行程开关43极限。
保护外壳41为钢质保护外壳或者铁质保护外壳，上盖板44为钢质上盖板或者铁质上盖板。保护外壳41和上盖板44还可以采用其他具有较高强度的金属材料制作，以保证保护外壳41与上盖板44的使用强度。
行程开关43为防水行程开关，进一步提高了位置检测装置4的防水性能，延长了位置检测装置4的使用寿命。
位置检测装置4还包括套设在支柱42外壁的弹簧47，弹簧47一端与保护外壳41的底壁连接，另一端与上盖板44相抵，弹簧47的设计能够对上盖板44的复位起到辅助作用，保证上盖板44能够复位，提高了位置检测装置4使用的可靠性。
优选的，保护外壳41为长方体形保护外壳，支柱42的个数为四个，且支柱42位于长方体形保护外壳的四个拐角位置。保护外壳41还可以为圆柱形保 护外壳，支柱42沿着圆柱形保护外壳的内圆周均匀分布
影像装置安装在车辆的车体后侧，方便采集车体相对于标识线1的位置信息。优选的，影响装置的图像显示系统中的尺寸线的宽度与标识线1之间的宽度相等，当尺寸线的较长边与标识线1重合时，车体位于准确对位位置，只要沿直线倒车即可。
驾驶员停车完成后，可通过手机软件开启无线充电，控制器5通过位置检测装置4的信号判断车辆停正之后，再控制功率变换元件输出对应功率进行对新能源汽车进行充电。如果控制器5判断车辆未停正则功率变换元件不工作或停止工作，使无线充电安全性有了极大保证。
本方案提供的新能源汽车无线充电对位系统方法简单，成本低，可操作性强，并且解决了泊车难的问题，实现了无线充电系统对位置信息的自动实时检测，从而实现了无线充电系统的全过程自动化。
新能源汽车无线充电对位系统的安装：
第一步，在地面上安装停车限位器3，停车限位器3可以为普通的停车限位器3；第二步，将车辆开入无线充电线圈2的充电区域，车辆停正后画出车辆位置；第三步，开走车辆，在相应位置开洞放置位置检测装置4，信号线接至控制器5，按位置检测装置4的位置编号连接相对应的遥信采集端口；第四步，车上安装倒车影像系统，在车辆刚刚驶离标准对位充电位时，查看影像系统显示器，在地面标注标识线1。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (10)

  1. 一种新能源汽车无线充电对位系统，其特征在于，包括：
    设置在地面上的标识线(1)，所述标识线(1)的个数为两条且分别位于无线充电系统的无线充电线圈(2)的两侧；
    设置在所述标识线(1)上的停车限位器(3)；
    能够显示车辆相对于所述标识线(1)相对位置的图像且能够向驾驶者提供所述车辆相对于所述标识线(1)相对位置的图像的影像装置。
  2. 根据权利要求1所述的新能源汽车无线充电对位系统，其特征在于，还包括：
    设置在地面上用于提示所述驾驶者所述车辆是否位于对位位置的位置检测装置(4)，所述位置检测装置(4)与所述无线充电系统的控制器(5)通信连接。
  3. 根据权利要求2所述的新能源汽车无线充电对位系统，其特征在于，所述位置检测装置(4)为距离传感器，所述距离传感器的个数为2个，所述距离传感器位于两条所述标识线(1)的外侧。
  4. 根据权利要求2所述的新能源汽车无线充电对位系统，其特征在于，所述位置检测装置(4)包括：
    保护外壳(41)，所述保护外壳(41)的内部设置有空腔，所述保护外壳(41)的上端为开放端；
    支柱(42)，所述支柱(42)设置在所述空腔内且与所述保护外壳(4)的底壁垂直，所述支柱(42)的个数至少为四个，且所述支柱(42)沿所述空腔的内壁均匀分布；
    设置在所述外壳内腔的行程开关(43)；
    用于封闭所述保护外壳(41)且能够按压所述行程开关(43)使所述行程开关(43)闭合的上盖板(44)，所述上盖板(44)与所述保护外壳(41)的侧壁通过折叠橡胶(45)连接。
  5. 根据权利要求4所述的新能源汽车无线充电对位系统，其特征在于， 所述上盖板(44)设置有与所述支柱(42)位置对应的保护立柱(46)。
  6. 根据权利要求4所述的新能源汽车无线充电对位系统，其特征在于，所述保护外壳(41)为钢质保护外壳或者铁质保护外壳，所述上盖板(44)为钢质上盖板或者铁质上盖板。
  7. 根据权利要求4所述的新能源汽车无线充电对位系统，其特征在于，所述行程开关(43)为防水行程开关。
  8. 根据权利要求4所述的新能源汽车无线充电对位系统，其特征在于，还包括套设在所述支柱(42)外壁的弹簧(47)，所述弹簧(47)一端与所述保护外壳(41)的所述底壁连接，另一端与所述上盖板(44)相抵。
  9. 根据权利要求4所述的新能源汽车无线充电对位系统，其特征在于，所述保护外壳(41)为长方体形保护外壳，所述支柱(42)的个数为四个，且所述支柱(42)位于所述长方体形保护外壳的四个拐角位置。
  10. 根据权利要求1所述的新能源汽车无线充电对位系统，其特征在于，所述影像装置安装在所述车辆的车体后侧。
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