CN211809110U - Vehicle-mounted parking-guiding high-power wireless charging system - Google Patents

Vehicle-mounted parking-guiding high-power wireless charging system Download PDF

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Publication number
CN211809110U
CN211809110U CN202020096686.XU CN202020096686U CN211809110U CN 211809110 U CN211809110 U CN 211809110U CN 202020096686 U CN202020096686 U CN 202020096686U CN 211809110 U CN211809110 U CN 211809110U
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module
vehicle
transmitting
detection
wireless charging
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柳元富
宋磊
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Anjie Wireless Technology Suzhou Co ltd
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Anjie Wireless Technology Suzhou Co ltd
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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
    • 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
    • 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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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model provides a high-power wireless charging system of on-vehicle guide parking, it includes: the device comprises a detection module, a receiving module and a transmitting module; the receiving module is arranged at the bottom of the vehicle and can form electromagnetic mutual inductance with the transmitting module arranged on the ground, and the detecting module is arranged at the bottom of the vehicle; the detection range of the detection module covers the transmitting module and the peripheral area thereof, the detection module feeds back the relative position between the receiving module and the transmitting module in real time when parking, and feeds back the living body signal in real time when the receiving module and the transmitting module are charged in an electromagnetic mutual inductance mode. The utility model discloses an on-vehicle high-power wireless charging system that guide was parked can discern and trail the transmitting terminal when parking, and the guide vehicle is parked to transmitting terminal and receiving terminal alignment position to guarantee going on smoothly of wireless charging.

Description

Vehicle-mounted parking-guiding high-power wireless charging system
Technical Field
The utility model relates to a wireless technical field that charges especially relates to a high-power wireless charging system who parks of on-vehicle guide suitable for electric automobile.
Background
With the development of scientific technology and the current situation of coping with environmental problems, new energy automobiles have been rapidly developed in recent years. An electric automobile in the new energy automobile adopts a high-energy-density battery pack as a power source and realizes electric energy conversion by utilizing clean energy. At present, a battery pack of an electric vehicle mainly depends on a charging pile and is charged in a wired mode, but the convenience and the universality of the wired charging mode are limited to a certain extent. Therefore, the existing electric vehicle can be charged by adopting a wireless charging system.
In the wireless charging process, a receiving end mounted on a vehicle needs to be aligned with a transmitting end mounted on the ground. However, the existing parking system for the electric vehicle cannot fully meet the wireless charging requirement of the electric vehicle. Therefore, it is necessary to provide a further solution to the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-power wireless charging system of on-vehicle guide parking to overcome the not enough that exists among the prior art.
In order to solve the technical problem, the technical scheme of the utility model is that:
a vehicle-mounted parking-guided high-power wireless charging system comprises: the device comprises a detection module, a receiving module and a transmitting module;
the receiving module is arranged at the bottom of the vehicle and can form electromagnetic mutual inductance with the transmitting module arranged on the ground, and the detecting module is independently arranged at the bottom of the vehicle or combined with the receiving module; the detection range of the detection module covers the transmitting module and the peripheral area thereof, and the detection module feeds back the relative position between the receiving module and the transmitting module in real time when parking;
the detection module includes at least one millimeter wave radar that detects a distance to the transmission module by a radar signal, the millimeter wave radar includes: the detection module receives and transmits radar signals through the antenna and the radar RF circuit.
As the utility model discloses an on-vehicle guide parking's high-power wireless charging system's improvement, receiving module's central point is at the distance D between ground projection and the transmitting module central point Y direction ═ D1+d2Wherein d is1＝√(S0 2-h2)，S0Is the linear distance between the detection module and the emission module, h is the height of the vehicle chassis, d2The distance between the detection module and the Y direction of the receiving module.
As the utility model discloses an on-vehicle guide parking's high-power wireless charging system's improvement, receiving module's central point is at ground projection and the distance X between transmitting module central point + X direction1＝S1sinθ1+d3Wherein S is1Is the linear distance theta between the detection module and one end of the emission module1Is the angle between one end of the detection module and the transmitting module and the central point of the transmitting module, d3The distance between the detection module and the + X direction of the receiving module.
As an improvement of the high-power wireless charging system for vehicle-mounted guided parking, the distance X between the center point of the receiving module in the ground projection and the center point-X direction of the transmitting module2＝S2sinθ2+d4Wherein S is2Is the linear distance of the detection module from the other end of the emission module, theta2Is the angle between one end of the detection module and the transmitting module and the central point of the transmitting module, d4Is the distance between the detection module and the receiving module in the-X direction.
As the utility model discloses a high-power wireless charging system's of on-vehicle guide parking improvement, when detection module combines to set up with receiving module, the millimeter wave radar pass through the connecting piece install in receiving module is last.
As the utility model discloses an on-vehicle guide parking's high-power wireless charging system's improvement, when the detection module was a plurality of times and independent setting, a plurality of millimeter wave radar distribute in all sides of receiving module.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an on-vehicle high-power wireless charging system that guide was parked can discern and trail the transmitting terminal when parking, and the guide vehicle is parked to transmitting terminal and receiving terminal alignment position to guarantee going on smoothly of wireless charging.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a prior art vehicle control system;
fig. 2 is a block diagram of a high-power wireless charging system for vehicle-mounted guided parking according to an embodiment of the present invention;
fig. 3 is a block diagram of the connection between the detection module and the vehicle control system according to an embodiment of the present invention;
fig. 4 and 5 are schematic diagrams illustrating the distance between the detection module and the transmitting module according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, first, the composition of a control system of a vehicle itself in the related art is described, the control system including: the vehicle BCM comprises a vehicle BCM, a signal processing unit, a vehicle display and a vehicle control unit.
The vehicle BCM is a vehicle body control module which can realize a discrete control function and control a plurality of electrical appliances. The functions of the vehicle body control module include: electric door and window control, central control door lock control, remote control anti-theft, light system control, electric rearview mirror heating control, instrument backlight adjustment, power distribution and the like. As one of the most important controllers for vehicle body parts, a vehicle Body Controller (BCM) has been increasingly expanded and increased in its functions with the development of automotive electronics technology. In addition to the basic functions of traditional light control, wiper (washing) control, door lock control and the like, functions of automatic wiper, engine anti-theft (IMMO), Tire Pressure Monitoring (TPMS) and the like are gradually integrated in recent years so as to meet the requirements of people on the aspects of increasing safety, comfort and the like.
The signal processing unit is a central processing unit (MCU) which can be used to receive signals from the outside, process the signals and feed the processed signals back to the vehicle BCM, the vehicle display, the vehicle control unit, etc.
The vehicle display is a display which is arranged in an operation console in the vehicle, and the current vehicle display has a certain control function due to the adoption of a touch display.
The vehicle Control unit is an ecu (electronic Control unit) electronic Control unit, which is also called a "traveling computer" or a "vehicle-mounted computer". The controller is a microcomputer controller special for the automobile and is also called a singlechip special for the automobile in terms of application. It is the same as common single-chip microcomputer, and is composed of microprocessor (CPU), memory (ROM, RAM), input/output interface (I/O), A/D converter and large scale integrated circuit for shaping and driving.
The utility model provides a high-power wireless charging system of on-vehicle guide parking, it combines together with vehicle self control system, and the live body that the guide and the wireless charging process of vehicle in the time of realizing the vehicle parking jointly detects.
As shown in fig. 2, the present invention provides a vehicle-mounted wireless charging system with high power for guiding parking, which includes: the device comprises a detection module 1, a receiving module 2 and a transmitting module 3.
The receiving module 2 and the transmitting module 3 are used for realizing wireless charging of the vehicle. The receiving module 2 is installed at the bottom of the vehicle, the transmitting module 3 is installed on the ground, and the receiving module 2 and the transmitting module 3 can form an electromagnetic mutual inductance relationship. Thus, when the receiving module 2 is aligned with the transmitting module 3, the vehicle is wirelessly charged. Specifically, the receiving module 2 and the transmitting module 3 may be a modular product of wireless technologies, inc.
The detection module 1 is used for guiding the vehicle to park to the alignment position of the transmitting end and the receiving end when the vehicle parks so as to ensure the smooth proceeding of wireless charging.
Specifically, the detection range of the detection module 1 covers the transmission module 3 and its peripheral area, and the detection module 1 feeds back the relative position between the reception module 2 and the transmission module 3 in real time when parking.
The detection module 1 is mounted to the bottom of the vehicle either independently or in combination with the receiving module 2. The number of the detection modules 1 is at least one, and when the number of the detection modules 1 is multiple and the detection modules are independently arranged, the detection modules 1 are distributed on the periphery side of the receiving module 2; when the detection module 1 is combined with the receiving module 2, it is mounted on the receiving module 2 by a connector.
In this embodiment, the detection module 1 may detect the distance between the transmission module 3 through a radar signal, for example, the detection module 1 may select an existing millimeter wave radar to implement the distance detection.
Accordingly, as shown in fig. 3, the detection module 1 includes: an antenna 11 and a radar RF circuit 12, and the detection module 1 transmits and receives radar signals through the antenna 11 and the radar RF circuit 12. Because the millimeter wave radar is an existing product, the radar RF circuit therein will not be described in detail. Further, the antenna 11 is connected to a radar RF circuit 12, and the radar RF circuit 12 is connected to a control system 200 of the vehicle through a CAN transceiver 13. The detection module 1 further comprises: a DC-DC power supply 14 and an external power supply 15 so as to utilize and convert external power.
The relative position between the real-time feedback receiving module 2 and the transmitting module 3 includes: the distance between the center points of the two modules in the Y direction and the distance between the center point of the receiving module 2 and the two ends of the transmitting module 3 in the X direction. In this manner, the vehicle is guided to park in the aligned position of the transmitting end and the receiving end.
Specifically, as shown in fig. 4 and 5, the millimeter wave radar can acquire the straight-line distance S between itself and the transmitting module 30A linear distance S from one end of the emitting module 31And an angle theta with one end of the emitting module 3 relative to the center point of the emitting module 31A linear distance S from the other end of the emitting module 32And an angle theta from the other end of the emitting module 3 to the center point of the emitting module 32. Therefore, according to the position relationship between the millimeter wave radar and the receiving module 2, the relative position between the receiving module 2 and the transmitting module 3 can be calculated, and the relative position is fed back to the vehicle control system 200 to control the vehicle to park to the position where the receiving module 2 and the transmitting module 3 are aligned.
Wherein, the distance D between the ground projection of the central point of the receiving module 2 and the direction of the central point Y of the transmitting module 3 is D1+d2Wherein d is1＝√(S0 2-h2)，S0Is the linear distance between the detection module 1 and the emission module 3, h is the height of the vehicle chassis, d2Is the distance between the detection module 1 and the receiving module 2 in the Y direction.
Distance X between the ground projection of the central point of the receiving module 2 and the central point + X direction of the transmitting module 31＝S1sinθ1+d3Wherein S is1For detecting the linear distance, theta, between the module 1 and one end of the emitting module 31Is an included angle between one end of the detection module 1 and one end of the emission module 3 relative to the central point of the emission module 3, d3Is the distance between the detection module 1 and the receiving module 2 in the + X direction. Wherein d is the alignment of the detection module 1 and the receiving module 2 in the Y direction3Is zero.
The distance X between the ground projection of the central point of the receiving module 2 and the central point-X direction of the transmitting module 32＝S2sinθ2+d4Wherein S is2For detecting the linear distance, theta, between the module 1 and the other end of the emitter module 32Is an included angle between one end of the detection module 1 and one end of the emission module 3 relative to the central point of the emission module 3, d4Is the distance between the detection module 1 and the receiving module 2 in the-X direction. Wherein d is the alignment of the detection module 1 and the receiving module 2 in the Y direction4Is zero.
Thus, the vehicle control system 200 feeds back the distance D between the ground projection of the center point of the receiving module 2 and the Y direction of the center point of the transmitting module 3, and the distance X between the ground projection of the center point of the receiving module 2 and the + X direction of the center point of the transmitting module 31The distance X between the ground projection of the central point of the receiving module 2 and the central point-X direction of the transmitting module 32The vehicle can be guided to park to the alignment position of the transmitting end and the receiving end, so that the smooth proceeding of wireless charging is ensured.
The detection module 1 is also used for feeding back the living body signal in real time when the receiving module 2 and the transmitting module 3 are charged in an electromagnetic mutual inductance mode.
In this embodiment, the detection module 1 may detect whether a living body exists in the wireless charging area through a radar signal, for example, the detection module 1 may select a millimeter wave radar to implement the living body detection.
Specifically, the control system 200 of the vehicle controls the wireless charging start when guiding the vehicle to park to the transmitting end and receiving end alignment position. The millimeter wave radar monitors the transmitting module 3 and its periphery in real time. When the millimeter wave radar captures the micro-vibration and motion information of the living body, the signals of the direction, the distance, the speed and the like of the target are transmitted to the signal processing control unit. If continuous activity information of the living body appears in the transmitting module 3 and its surroundings, the control system 200 of the vehicle judges that the living body enters and controls the wireless charging to stop.
To sum up, the utility model discloses an on-vehicle high-power wireless charging system that guide was parked can discern and trail the transmitting terminal when parking, and the guide vehicle is parked to transmitting terminal and receiving terminal alignment position to guarantee going on smoothly of wireless charging. Meanwhile, in the wireless charging process, micro-vibration and motion information of the living body can be captured in real time, if continuous activity information of the living body appears at the transmitting end and the periphery of the transmitting end, the living body is judged to enter, an alarm is given, and the vehicle self control unit is informed to stop wireless charging.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A vehicle-mounted high-power wireless charging system for guiding parking is characterized by comprising: the device comprises a detection module, a receiving module and a transmitting module;
the receiving module is arranged at the bottom of the vehicle and can form electromagnetic mutual inductance with the transmitting module arranged on the ground, and the detecting module is independently arranged at the bottom of the vehicle or combined with the receiving module; the detection range of the detection module covers the transmitting module and the peripheral area thereof, and the detection module feeds back the relative position between the receiving module and the transmitting module in real time when parking;
the detection module includes at least one millimeter wave radar that detects a distance to the transmission module by a radar signal, the millimeter wave radar includes: the detection module receives and transmits radar signals through the antenna and the radar RF circuit.
2. The vehicle-mounted parking-guided high-power wireless charging system according to claim 1, wherein a distance D ═ D between a ground projection of a center point of the receiving module and a direction of a center point Y of the transmitting module1+d2Wherein d is1＝√(S0 2-h2)，S0Is the linear distance between the detection module and the emission module, h is the height of the vehicle chassis, d2The distance between the detection module and the Y direction of the receiving module.
3. The vehicle-mounted parking-guided high-power wireless charging system according to claim 1 or 2, wherein the distance X between the ground projection of the center point of the receiving module and the direction of the center point + X of the transmitting module is1＝S1sinθ1+d3Wherein S is1Is the linear distance theta between the detection module and one end of the emission module1Is the angle between one end of the detection module and the transmitting module and the central point of the transmitting module, d3The distance between the detection module and the + X direction of the receiving module.
4. The vehicle-mounted parking-guided high-power wireless charging system according to claim 3, wherein the distance X between the ground projection of the center point of the receiving module and the X direction of the center point of the transmitting module is the X direction2＝S2sinθ2+d4Wherein S is2Is the linear distance of the detection module from the other end of the emission module, theta2Is the angle between one end of the detection module and the transmitting module and the central point of the transmitting module, d4Is the distance between the detection module and the receiving module in the-X direction.
5. The vehicle-mounted parking-guided high-power wireless charging system according to claim 1, wherein when the detection module is combined with the receiving module, the millimeter wave radar is mounted on the receiving module through a connecting piece.
6. The vehicle-mounted parking-guided high-power wireless charging system according to claim 1, wherein when the detection modules are multiple and independently arranged, the multiple millimeter-wave radars are distributed on the periphery of the receiving module.
CN202020096686.XU 2020-01-16 2020-01-16 Vehicle-mounted parking-guiding high-power wireless charging system Active CN211809110U (en)

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CN202020096686.XU CN211809110U (en) 2020-01-16 2020-01-16 Vehicle-mounted parking-guiding high-power wireless charging system

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Application Number Priority Date Filing Date Title
CN202020096686.XU CN211809110U (en) 2020-01-16 2020-01-16 Vehicle-mounted parking-guiding high-power wireless charging system

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