CN211351834U - Bidirectional sensing high-power wireless charging system - Google Patents

Bidirectional sensing high-power wireless charging system Download PDF

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Publication number
CN211351834U
CN211351834U CN202020096695.9U CN202020096695U CN211351834U CN 211351834 U CN211351834 U CN 211351834U CN 202020096695 U CN202020096695 U CN 202020096695U CN 211351834 U CN211351834 U CN 211351834U
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module
detection
distance
receiving module
transmitting
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宋磊
柳元富
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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

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Abstract

The utility model provides a high-power wireless charging system of two-way sensing, it includes: the device comprises a first detection module, a second 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; the first detection module and the second detection module feed back the relative position between the receiving module and the transmitting module in real time when parking, and feed 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 can discern and trail the transmitting terminal when parking, guide vehicle to park to transmitting terminal and receiving terminal alignment position to guarantee going on smoothly of wireless charging. 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 out, and wireless charging is stopped.

Description

Bidirectional sensing high-power wireless charging system
Technical Field
The utility model relates to a wireless charging technology field especially relates to a high-power wireless charging system of two-way sensing 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. Meanwhile, in the wireless charging process, electromagnetic radiation can cause damage to the health of people and animals. 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 two-way sensing 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 bi-directional sensing high power wireless charging system, comprising: the device comprises a first detection module, a second 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;
the first detection module is independently or jointly installed at the bottom of the vehicle with the receiving module, the detection range of the first detection module covers the transmitting module and the peripheral area of the transmitting module, the first detection module feeds back a first relative position between the receiving module and the transmitting module in real time when parking, and feeds back a first living body signal in real time when the receiving module and the transmitting module are charged in an electromagnetic mutual inductance mode;
the second detection module is independently or in combination with the transmission module, is installed on the ground and can communicate with a control system of a vehicle in a wireless mode, the detection range of the second detection module can cover the receiving module and the peripheral area of the receiving module, the second detection module feeds back a second relative position between the receiving module and the transmission module in real time when parking is carried out, and feeds back a second living body signal in real time when the receiving module and the transmission module are charged in an electromagnetic mutual inductance mode.
As the utility model discloses a high-power wireless charging system's of two-way sensing improvement, first, second detection module pass through radar signal detection with distance between the emission module.
As the utility model discloses a high-power wireless charging system's of two-way sensing improvement, receiving module's central point is at distance D between ground projection and emission module central point Y direction ═ D1+d2Wherein d is1＝√(S0 2-h2)，S0Is the linear distance between the first detection module and the emission module, h is the height of the vehicle chassis, d2The distance between the first detection module and the Y direction of the receiving module.
As the utility model discloses a two-way sensing 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 first detection module and one end of the emission module1Is the angle between the first detecting module and one end of the transmitting module relative to the central point of the transmitting module, d3Is the distance between the first detection module and the + X direction of the receiving module.
As an improvement of the two-way sensing high-power wireless charging system of the present invention, the distance X between the central point of the receiving module in the ground projection and the central point-X direction of the transmitting module2＝S2sinθ2+d4Wherein S is2Is the linear distance theta between the first detection module and the other end of the emission module2Is the angle between the first detecting module and one end of the transmitting module relative to the central point of the transmitting module, d4Is the distance between the first detection module and the receiving module in the-X direction.
As the utility model discloses a two-way sensing high-power wireless charging system's improvement, distance T between receiving module's central point and the transmission module central point Y direction is T ═ T1+t2Wherein, t1＝√(I0 2-h2)， I0Is the linear distance between the second detection module and the receiving module, h is the height of the vehicle chassis, t2The distance between the detection module and the Y direction of the receiving module.
As the utility model discloses a two-way sensing high-power wireless charging system's improvement, distance Z between emission module's central point and receiving module central point + X direction1＝I1sinθ1+t3Wherein, I1Is the linear distance theta between the second detection module and one end of the receiving module3Is the included angle t between one end of the second detection module and one end of the receiving module relative to the central point of the transmitting module3The distance between the second detection module and the + X direction of the emission module.
As an improvement of the two-way sensing high-power wireless charging system of the present invention, the distance Z between the center point of the receiving module in the ground projection and the center point-X direction of the transmitting module2＝I2sinθ2+t4Wherein, I2Is the linear distance of the detection module from the other end of the emission module, theta4Is the angle between one end of the detection module and one end of the emission module relative to the center point of the emission module, t4Is 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 two-way sensing improvement, whether first, the second detection module passes through the wireless charging region of radar signal detection and exists the live body, and first, the second detection module feeds back the live body signal after detecting the live body many times in succession.
As the utility model discloses a high-power wireless charging system of two-way sensing's improvement, the detection module is at least one, when the detection module is a plurality of and when independently setting up, a plurality of detection modules 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 a high-power wireless charging system can discern and trail emitter, receiving terminal simultaneously when parking, and the guide vehicle is parked to emitter 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.
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 bidirectional sensing high-power wireless charging system according to an embodiment of the present invention;
fig. 3 is a block diagram of a first detection module connected to a vehicle control system according to an embodiment of the present invention;
fig. 4 and 5 are schematic diagrams illustrating the distance between the first detection module and the transmitting module detected by the radar signal according to an embodiment of the present invention;
fig. 6 is a block diagram of a second detection module connected to a vehicle control system according to an embodiment of the present invention;
fig. 7 and 8 are schematic diagrams illustrating the distance between the second 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 two-way sensing, it combines together with vehicle self control system, and the guide and the wireless live body that charges in-process of vehicle that realize the vehicle when parking jointly detect.
As shown in fig. 2, the utility model discloses a high-power wireless charging system of two-way sensing of an embodiment includes: a first detection module 1, a second detection module 2, a receiving module 3 and a transmitting module 4.
The receiving module 3 and the transmitting module 4 are used for realizing wireless charging of the vehicle. Wherein, the receiving module 3 is installed at the bottom of the vehicle, the transmitting module 4 is installed on the ground, and the receiving module 3 and the transmitting module 4 can form an electromagnetic mutual inductance relationship. Thus, when the receiving module 3 is aligned with the transmitting module 4, the vehicle is wirelessly charged. Specifically, the receiving module 3 and the transmitting module 4 may be a modular product of wireless technologies, inc.
The first detection module 1 and the second detection module 2 are 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 first detection module 1 covers the transmission module 4 and its peripheral area, and the first detection module 1 feeds back the first relative position between the reception module 3 and the transmission module 4 in real time when parking.
The first detection module 1 is mounted to the bottom of the vehicle, either independently or in combination with the receiving module 3. The number of the first detection modules 1 is at least one, and when the number of the first detection modules 1 is multiple and the first detection modules are independently arranged, the multiple first detection modules 1 are distributed on the peripheral side of the receiving module 3; when the first detection module 1 is combined with the receiving module 3, it is mounted on the receiving module 3 by a connector.
In this embodiment, the first detection module 1 may detect the distance between the transmitting module 4 and the receiving module through a radar signal, for example, the first detection module 1 may select an existing millimeter wave radar to implement the distance detection.
Accordingly, as shown in fig. 3, the first detection module 1 includes: an antenna 11 and a radar RF circuit 12, and the first 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 first 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 3 and the transmitting module 4 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 3 and the two ends of the transmitting module 4 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 40A linear distance S from one end of the emitting module 41Angle theta with one end of the emitting module 4 relative to the center point of the emitting module 41A linear distance S from the other end of the transmission module 42Angle theta with the other end of the emitting module 4 relative to the center point of the emitting module 42. Therefore, according to the position relationship between the millimeter wave radar and the receiving module 3, the relative position between the receiving module 3 and the transmitting module 4 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 3 and the transmitting module 4 are aligned.
Wherein, the distance D between the ground projection of the central point of the receiving module 3 and the direction of the central point Y of the transmitting module 4 is D1+d2Wherein d is1＝√(S0 2-h2)，S0Is the linear distance between the first detection module 1 and the emission module 4, h is the height of the vehicle chassis, d2Is as followsA detection module 1 and a receiving module 3 are arranged at a distance in the Y direction.
The distance X between the ground projection of the central point of the receiving module 3 and the central point + X direction of the transmitting module 41＝S1sinθ1+d3Wherein S is1Is the linear distance theta between the first detection module 1 and one end of the emission module 41Is the included angle between one end of the first detection module 1 and one end of the transmission module 4 relative to the central point of the transmission module 4, d3Is the distance between the first detection module 1 and the receiving module 3 in the + X direction. Wherein d is the alignment of the first detection module 1 and the receiving module 3 in the Y direction3Is zero.
The distance X between the ground projection of the central point of the receiving module 3 and the central point-X direction of the transmitting module 42＝S2sinθ2+d4Wherein S is2Is the linear distance theta between the first detection module 1 and the other end of the emission module 42Is the included angle between one end of the first detection module 1 and one end of the transmission module 4 relative to the central point of the transmission module 4, d4Is the distance between the first detection module 1 and the receiving module 3 in the-X direction. Wherein d is the alignment of the first detection module 1 and the receiving module 3 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 3 and the center point Y of the transmitting module 4, and the distance X between the ground projection of the center point of the receiving module 3 and the center point + X of the transmitting module 41The distance X between the ground projection of the central point of the receiving module 3 and the central point-X direction of the transmitting module 42The 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 range of the second detection module 2 can cover the receiving module 2 and the surrounding area thereof, and the second detection module 2 feeds back the second relative position between the receiving module 2 and the transmitting module 4 in real time when parking.
The second detection module 2 is mounted on the ground either independently or in combination with the transmission module 4. The number of the second detection modules 2 is at least one, and when the number of the second detection modules 2 is multiple and the second detection modules are independently arranged, the multiple second detection modules 2 are distributed on the peripheral side of the receiving module 2; when the second detection module 2 is combined with the transmission module 4, it is mounted on the transmission module 4 by a connector.
In this embodiment, the second detection module 2 may detect the distance between the transmitting module 4 and the receiving module through a radar signal, for example, the second detection module 2 may select an existing millimeter wave radar to implement the distance detection.
Accordingly, as shown in fig. 6, the second detection module 2 includes: an antenna 21 and a radar RF circuit 22, and the second detection module 2 transmits and receives radar signals through the antenna 21 and the radar RF circuit 22. Because the millimeter wave radar is an existing product, the radar RF circuit therein will not be described in detail. Further, the antenna 21 is connected to a radar RF circuit 22, and the radar RF circuit 22 is wirelessly connected to the vehicle control system 200. The second detection module 2 further comprises: a DC-DC power supply 24 and an external power supply 25 so as to utilize and convert external power.
The relative position between the real-time feedback receiving module 2 and the transmitting module 4 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 4 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. 7 and 8, the millimeter wave radar can acquire the straight-line distance I between itself and the receiving module 20A linear distance I from one end of the receiving module 21And an angle theta formed by one end of the receiving module 2 and the central point of the receiving module 23A linear distance I from the other end of the receiving module 22And an angle theta from the other end of the receiving module 2 to the central point of the transmitting module 44. 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 4 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 4 are aligned.
Wherein, the distance T between the central point of the transmitting module 4 and the central point Y of the receiving module 2 is T ═ T1+t2Wherein, t1＝√(I0 2-h2)，I0Is the linear distance between the second detection module 2 and the receiving module 2, h is the height of the vehicle chassis, t2Is the distance between the second detection module 2 and the receiving module 2 in the Y direction.
Distance Z between center point of transmitting module 4 and center point + X direction of receiving module 21＝I1sinθ3+t3Wherein, I1Is the linear distance theta between the second detection module 2 and one end of the receiving module 23Is the angle between the second detection module 2 and the center point of the receiving module 2 at one end of the receiving module 2, t3Is the distance between the second detection module 2 and the transmission module 4 in the + X direction. Wherein t is when the second detection module 2 and the emission module 4 are aligned in the Y direction3Is zero.
Distance Z between center point of transmitting module 4 and center point-X direction of receiving module 22＝I2sinθ4+t4Wherein, I2Is the linear distance theta between the second detection module 2 and the other end of the receiving module 24Is the angle between the second detection module 2 and the center point of the receiving module 2 at one end of the receiving module 2, t4Is the distance between the second detection module 2 and the transmission module 4 in the-X direction. Wherein t is when the second detection module 2 and the emission module 4 are aligned in the Y direction4Is zero.
Thus, the vehicle self-control system 200 feeds back the distance T between the center point of the receiving module 2 and the center point Y of the transmitting module 4 and the distance Z between the center point of the receiving module 2 and the center point + X of the transmitting module 4 in accordance with the distance Y1Distance Z between the center point of the receiving module 2 and the center point-X direction of the transmitting module 42The 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 two-way sensing during the alignment between the receiving module 3 and the transmitting module 4 can be realized through the first detection module 1 and the second detection module 2, and the parking precision and efficiency can be improved.
The first detection module 1 and the second detection module 2 are further configured to feed back the first and second living body signals in real time when the receiving module 3 and the transmitting module 4 are charged in an electromagnetic mutual inductance manner.
In this embodiment, the first detection module 1 and the second detection module 2 can detect whether a living body exists in the wireless charging area through radar signals, for example, the first detection module 1 and the second detection module 2 can select millimeter wave radar to realize the distance 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 receiving module 3 and its periphery, and the transmitting module 4 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 receiving module 3 and the surrounding and transmitting module 4, 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 a high-power wireless charging system can discern and trail emitter end, receiving terminal simultaneously when parking, and the guide vehicle is parked to emitter end 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 (10)

1. A bidirectional sensing high-power wireless charging system, comprising: the device comprises a first detection module, a second 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;
the first detection module is independently or jointly installed at the bottom of the vehicle with the receiving module, the detection range of the first detection module covers the transmitting module and the peripheral area of the transmitting module, the first detection module feeds back a first relative position between the receiving module and the transmitting module in real time when parking, and feeds back a first living body signal in real time when the receiving module and the transmitting module are charged in an electromagnetic mutual inductance mode;
the second detection module is independently or in combination with the transmission module, is installed on the ground and can communicate with a control system of a vehicle in a wireless mode, the detection range of the second detection module can cover the receiving module and the peripheral area of the receiving module, the second detection module feeds back a second relative position between the receiving module and the transmission module in real time when parking is carried out, and feeds back a second living body signal in real time when the receiving module and the transmission module are charged in an electromagnetic mutual inductance mode.
2. The bidirectional sensing high-power wireless charging system according to claim 1, wherein the first and second detection modules detect the distance to the transmission module by radar signals.
3. The system of claim 2, wherein the distance D between the ground projection of the center point of the receiving module and the Y direction of the center point of the transmitting module is D1+d2Wherein d is1＝√(S0 2-h2)，S0Is the linear distance between the first detection module and the emission module, h is the height of the vehicle chassis, d2The distance between the first detection module and the Y direction of the receiving module.
4. The bidirectional sensing high-power wireless charging system according to claim 2 or 3, wherein the distance X between the ground projection of the center point of the receiving module and the center point + X direction of the transmitting module1＝S1sinθ1+d3Wherein S is1Is the linear distance theta between the first detection module and one end of the emission module1Is the angle between the first detecting module and one end of the transmitting module relative to the central point of the transmitting module, d3Is the distance between the first detection module and the + X direction of the receiving module.
5. The system of claim 4, 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 larger than the distance X between the ground projection and the X direction of the center point of the transmitting module2＝S2sinθ2+d4Wherein S is2Is the linear distance theta between the first detection module and the other end of the emission module2Is the angle between the first detecting module and one end of the transmitting module relative to the central point of the transmitting module, d4Is the distance between the first detection module and the receiving module in the-X direction.
6. The wireless charging system with bidirectional sensing and high power of claim 2, wherein the distance T ═ T between the center point of the receiving module and the center point Y of the transmitting module in the direction1+t2Wherein, t1＝√(I0 2-h2)，I0Is the linear distance between the second detection module and the receiving module, h is the height of the vehicle chassis, t2The distance between the detection module and the Y direction of the receiving module.
7. The bidirectional sensing high-power wireless charging system according to claim 2 or 6, wherein a distance Z between a center point of the transmitting module and a center point of the receiving module in a direction + X1＝I1sinθ1+t3Wherein, I1Is the linear distance theta between the second detection module and one end of the receiving module3Is the included angle t between one end of the second detection module and one end of the receiving module relative to the central point of the transmitting module3The distance between the second detection module and the + X direction of the emission module.
8. The system of claim 7, wherein the distance Z between the center point of the receiving module projected on the ground and the center point-X direction of the transmitting module is a distance2＝I2sinθ2+t4Wherein, I2Is the linear distance of the detection module from the other end of the emission module, theta4Is the angle between one end of the detection module and one end of the emission module relative to the center point of the emission module, t4Is the distance between the detection module and the receiving module in the-X direction.
9. The bidirectional sensing high-power wireless charging system according to claim 1, wherein the first and second detection modules detect whether a living body exists in the wireless charging area through radar signals, and the first and second detection modules feed back living body signals after detecting the living body continuously and repeatedly.
10. The bidirectional sensing high-power wireless charging system according to claim 1, wherein the number of the detection modules is at least one, and when the number of the detection modules is plural and the detection modules are independently arranged, the plural detection modules are distributed around the receiving module.
CN202020096695.9U 2020-01-16 2020-01-16 Bidirectional sensing high-power wireless charging system Active CN211351834U (en)

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