CN211809105U - Integrated high-power wireless charging system - Google Patents

Integrated high-power wireless charging system Download PDF

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Publication number
CN211809105U
CN211809105U CN202020095264.0U CN202020095264U CN211809105U CN 211809105 U CN211809105 U CN 211809105U CN 202020095264 U CN202020095264 U CN 202020095264U CN 211809105 U CN211809105 U CN 211809105U
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module
wireless charging
receiving module
transmitting
vehicle
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CN202020095264.0U
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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
    • 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

Abstract

The utility model provides a high-power wireless charging system of integrated form, it includes: the device comprises a detection module, a receiving module, a transmitting module and a charging box; 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 charging box is connected with the transmitting module on the ground through a wire harness, and the detecting module is integrally fixed on the wire harness and can communicate with a control system of the vehicle in a wireless mode; the detection module feeds back the relative position between the receiving module and the transmitting module in real time, and feeds back a living body signal to a control system of the vehicle in real time during charging. The utility model discloses can discern and trail the receiving terminal when parking, guide vehicle to park to transmitting terminal and receiving terminal alignment position. 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, and the wireless charging is alarmed and stopped.

Description

Integrated 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 integrated form 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 integrated form 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:
an integrated high-power wireless charging system, comprising: the device comprises a detection module, a receiving module, a transmitting module and a charging box;
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 charging box is connected with the transmitting module positioned on the ground through a wire harness, and the detecting module is integrally fixed on the wire harness and can communicate with a control system of the vehicle in a wireless mode;
the detection range of the detection module can cover the receiving 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 a living body signal to a control system of the vehicle in real time when the receiving module and the transmitting module are charged in an electromagnetic mutual inductance mode.
As the utility model discloses a high-power wireless charging system's of integrated form improvement, the detection module pass through radar signal detection with distance between the receiving module.
As the utility model discloses a high-power wireless charging system's of integrated form improvement, distance D between receiving module's central point and the transmission module central point Y direction is D ═ D1+d2Wherein d is1＝√(S0 2-h2)， S0Is the linear distance between the detection module and the receiving 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 a high-power wireless charging system's of integrated form improvement, distance X between emission module's central point and the receiving module central point + X direction1＝S1sinθ1+d3Wherein S is1Is a linear distance theta between the detection module and one end of the receiving module1Is the angle between one end of the detection module and the receiving module relative to the central point of the transmitting module, d3The distance between the detection module and the + X direction of the emission module.
As an improvement of the integrated high-power wireless charging system of the present invention, the distance X between the center point of the transmitting module and the receiving module center point-X direction2＝S2sinθ2+d4Wherein S is2To detectLinear distance, theta, of the module from the other end of the receiving module2Is the angle between one end of the detection module and the receiving module relative to the central point of the transmitting module, d4Is the distance between the detection module and the emission module in the-X direction.
As the utility model discloses a high-power wireless charging system's of integrated form improvement, whether there is the live body in the detection module passes through the wireless charging region of radar signal detection.
As the utility model discloses a high-power wireless charging system's of integrated form improvement, the detection module feeds back living body signal after detecting the living body many times in succession.
As the utility model discloses a high-power wireless charging system's of integrated form improvement, the detection module includes: the detection module receives and transmits radar signals through the antenna and the radar RF circuit.
As the utility model discloses a high-power wireless charging system's of integrated form improvement, it is at least one to survey the module.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a detection module among the high-power wireless charging system sets up with the pencil is integrated, and it can discern and trail the receiving terminal when parking, and the guide vehicle parks 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.
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 an integrated high-power wireless charging system 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 integrated form, 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 jointly when parking detect.
As shown in fig. 2, the integrated high-power wireless charging system according to an embodiment of the present invention includes: a detection module 1, a receiving module 2, a transmitting module 3 and a charging box 4.
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. The number of the detection modules 1 is at least one. The charging box 4 is connected with the transmitting module 3 on the ground through a wiring harness 41, the detecting module 1 is integrally fixed on the wiring harness 41 and can communicate with a control system of a vehicle in a wireless mode, and therefore the detecting module 1 is convenient to install and fix. Meanwhile, the charging box 4 may adopt an existing wallbox charging box.
Specifically, the detection range of the detection module 1 can cover the receiving module 2 and its surrounding area, and the detection module 1 feeds back the relative position between the receiving module 2 and the transmitting module 3 in real time when parking.
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 wirelessly connected to a vehicle control system 200. 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 receiving module 20A linear distance S 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 21A linear distance S 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 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 central point of the transmitting module 3 and the receiving moduleDistance D between the center points Y of the blocks 2 in the direction D1+d2Wherein d is1＝√(S0 2-h2)，S0For the linear distance between the detection module 1 and the receiving module 2, 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 center point of transmitting module 3 and center point + X direction of receiving module 21＝S1sinθ1+d3Wherein S is1For detecting the linear distance, theta, between the module 1 and one end of the receiving module 21Is an included angle between one end of the detection module 1 and one end of the receiving module 2 relative to the central point of the receiving module 2, d3Is the distance between the detection module 1 and the transmission module 3 in the + X direction. Wherein d is the alignment of the detection module 1 and the emission module 3 in the Y direction3Is zero.
Distance X between center point of transmitting module 3 and center point-X direction of receiving module 22＝S2sinθ2+d4Wherein S is2For detecting the linear distance, theta, between the other end of the module 1 and the receiving module 22Is an included angle between one end of the detection module 1 and one end of the receiving module 2 relative to the central point of the receiving module 2, d4Is the distance between the detection module 1 and the transmission module 3 in the-X direction. Wherein d is the alignment of the detection module 1 and the emission module 3 in the Y direction4Is zero.
Thus, the vehicle self-control system 200 feeds back the distance D between the center point of the receiving module 2 and the center point Y of the transmitting module 3 and the distance X between the center point of the receiving module 2 and the center point + X of the transmitting module 31Distance X between center point of receiving module 2 and center point-X direction of 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 area between the receiving module 2 and the transmitting module 3 in real time. When the millimeter wave radar captures the micro-vibration and motion information of a living body, signals of the direction, the distance, the speed and the like of a target are transmitted to a signal processing control unit of a vehicle. If continuous activity information of the living body appears in the transmitting module 3 and the periphery thereof, the control system 200 of the vehicle judges that the living body enters according to the received feedback signal and controls the wireless charging to stop.
To sum up, the utility model discloses a detection module among the high-power wireless charging system sets up with the pencil is integrated, and it can be when parking, discerns and trail the receiving terminal, 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 (9)

1. An integrated high-power wireless charging system, comprising: the device comprises a detection module, a receiving module, a transmitting module and a charging box;
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 charging box is connected with the transmitting module positioned on the ground through a wire harness, and the detecting module is integrally fixed on the wire harness and can communicate with a control system of the vehicle in a wireless mode;
the detection range of the detection module can cover the receiving 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 a living body signal to a control system of the vehicle in real time when the receiving module and the transmitting module are charged in an electromagnetic mutual inductance mode.
2. The integrated high-power wireless charging system according to claim 1, wherein the detection module detects a distance from the receiving module by a radar signal.
3. The integrated high-power wireless charging system according to claim 2, wherein the distance D ═ D between the center point of the receiving module and the center point Y of the transmitting module in the direction1+d2Wherein d is1＝√(S0 2-h2)，S0Is the linear distance between the detection module and the receiving module, h is the height of the vehicle chassis, d2The distance between the detection module and the Y direction of the receiving module.
4. Set according to claim 2 or 3The high-power wireless charging system is characterized in that the distance X between the central point of the transmitting module and the central point of the receiving module in the direction of + X1＝S1sinθ1+d3Wherein S is1Is a linear distance theta between the detection module and one end of the receiving module1Is the angle between one end of the detection module and the receiving module relative to the central point of the transmitting module, d3The distance between the detection module and the + X direction of the emission module.
5. The integrated high-power wireless charging system according to claim 4, wherein the distance X between the center point of the transmitting module and the center point of the receiving module in the direction of-X is larger than the distance X between the center points of the transmitting module and the receiving module2＝S2sinθ2+d4Wherein S is2For detecting the linear distance, theta, between the module and the other end of the receiving module2Is the angle between one end of the detection module and the receiving module relative to the central point of the transmitting module, d4Is the distance between the detection module and the emission module in the-X direction.
6. The integrated high-power wireless charging system according to claim 1, wherein the detection module detects the presence of a living body in the wireless charging area through radar signals.
7. The integrated high-power wireless charging system according to claim 6, wherein the detection module feeds back the living body signal after detecting the living body for a plurality of times continuously.
8. The integrated high-power wireless charging system according to claim 2 or 6, wherein the detection module comprises: the detection module receives and transmits radar signals through the antenna and the radar RF circuit.
9. The integrated high-power wireless charging system according to claim 1, wherein the number of the detection modules is at least one.
CN202020095264.0U 2020-01-16 2020-01-16 Integrated high-power wireless charging system Active CN211809105U (en)

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CN202020095264.0U CN211809105U (en) 2020-01-16 2020-01-16 Integrated high-power wireless charging system

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