CN217835376U - Wireless power supply system for electric car - Google Patents

Wireless power supply system for electric car Download PDF

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Publication number
CN217835376U
CN217835376U CN202222217275.3U CN202222217275U CN217835376U CN 217835376 U CN217835376 U CN 217835376U CN 202222217275 U CN202222217275 U CN 202222217275U CN 217835376 U CN217835376 U CN 217835376U
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array antenna
end array
power supply
microwave
transmitting
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CN202222217275.3U
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孙志强
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Guangdong Advanced Power Technology Co ltd
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Guangdong Advanced Power Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The utility model relates to a trolley-bus wireless power supply field provides a trolley-bus wireless power supply system, include: the microwave transmitting end comprises an electric energy microwave conversion device and a plurality of transmitting end array antennas connected with the electric energy microwave conversion device; the microwave receiving end comprises a receiving end array antenna and a rectifying circuit connected with the receiving end array antenna; the receiving end array antenna is used for receiving the microwave transmitted by the transmitting end array antenna; and the controller is connected with the microwave transmitting end to control the connection state of the electric energy microwave conversion device and the transmitting end array antenna. The utility model discloses a wireless charging for the trolley-bus charges and need not the wiring, has simplified the charging operation at the charging station, realizes along with the effect along with filling, simultaneously through installing position detection device additional and transferring to the device, makes the position of trolley-bus can the real-time detection location, and according to the real-time position adjustment transmitting terminal array antenna position of trolley-bus, realizes that the removal of trolley-bus charges.

Description

Wireless power supply system for electric car
Technical Field
The utility model relates to an electric car wireless power supply field especially relates to an electric car wireless power supply system.
Background
At present, new energy electric vehicles are gradually popular, and the travel of the electric vehicles always puzzles users of the electric vehicles due to the limitation of the capacity of batteries carried by the electric vehicles, and the charging at any time is an urgent demand of the users of the electric vehicles. The existing electric car charging mode is wired charging, the wired charging structure is complex, the operation is complex, and the effect of charging along with the charging is difficult to achieve.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an electric car wireless power supply system has simplified the operation of charging, realizes along with the effect along with filling.
An electric car wireless power supply system comprising:
the microwave transmitting end comprises an electric energy microwave conversion device and a plurality of transmitting end array antennas connected with the electric energy microwave conversion device;
the microwave receiving end is arranged on the electric car and comprises a receiving end array antenna and a first rectifying circuit connected with the receiving end array antenna; the receiving end array antenna is used for receiving the microwave transmitted by the transmitting end array antenna; and
and the controller is connected with the microwave transmitting end to control the connection state of the electric energy microwave conversion device and the transmitting end array antenna.
Further, the wireless power supply system for the electric car further comprises a position detection device, wherein the position detection device is connected with the controller and is used for detecting the position of the receiving end array antenna so as to start the transmitting end array antenna at the corresponding position.
Furthermore, the wireless power supply system of the electric car also comprises a direction adjusting device; the transmitting end array antenna is arranged on the direction adjusting device and used for adjusting the transmitting direction of the transmitting end array antenna according to the position of the receiving end array antenna.
Furthermore, the wireless power supply system of the electric car also comprises a direction adjusting device, and the direction adjusting device is connected with the controller; the transmitting end array antenna is arranged on the direction adjusting device and used for adjusting the transmitting direction of the transmitting end array antenna according to the position of the receiving end array antenna detected in real time.
Further, the electric energy microwave conversion device comprises a second rectifying circuit and a microwave generator; the second rectifying circuit is connected with the microwave generator; the microwave generator is connected with the transmitting end array antenna.
Furthermore, the receiving end array antenna is installed on the roof of the electric car, and has the effects of small occupation and high transmission efficiency.
Further, the receiving end array antenna receives the microwaves of one or more transmitting end array antennas at the same time.
Furthermore, an activation switch is arranged on the transmitting end array antenna; the controller is connected with the activation switch to turn on or off the transmitting end array antenna.
Further, the wireless power supply system for the electric car further comprises a server, and the server is connected with the controller; the server is used for authenticating the user.
Further, the trolley-bus wireless power supply system further comprises a client, wherein the client is connected with the server and used for carrying out authentication information authentication with the server.
The utility model relates to a trolley-bus wireless power supply field provides a trolley-bus wireless power supply system, include: the microwave transmitting end comprises an electric energy microwave conversion device and a plurality of transmitting end array antennas connected with the electric energy microwave conversion device; the microwave receiving end comprises a receiving end array antenna and a rectifying circuit connected with the receiving end array antenna; the receiving end array antenna is used for receiving the microwave transmitted by the transmitting end array antenna; and the controller is connected with the microwave transmitting end to control the connection state of the electric energy microwave conversion device and the transmitting end array antenna. The utility model discloses a wireless charging for the trolley-bus charges and need not the wiring, has simplified the operation of charging at the charging station, realizes along with the effect along with filling, simultaneously through installing position detection device additional and transferring to the device, makes the position of trolley-bus can the real-time detection location, and according to the real-time position adjustment transmitting terminal array antenna position of trolley-bus, realizes that the removal of trolley-bus charges.
Drawings
Fig. 1 is a schematic view of an installation structure of a wireless power supply system of an electric car;
fig. 2 is a schematic system structure diagram of a trolley wireless power supply system.
Description of reference numerals: 1-transmitting end array antenna, 2-electric energy microwave conversion device and 3-receiving end array antenna.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
Example one
A wireless power supply system for an electric car, applied to a road, a parking lot or a charging station, comprising:
the microwave transmitting end comprises an electric energy microwave conversion device and a plurality of transmitting end array antennas connected with the electric energy microwave conversion device; the electric energy microwave conversion device is connected with an external power line and used for converting electric energy into microwaves and transmitting the microwaves through the transmitting end array antenna. The transmitting terminal array antenna is installed on an installation pole of a parking lot or a charging station or a high-rise building in a transmitting mode, and the transmitting surface is arranged below the ground. The electric energy microwave conversion device is connected with the transmitting end array antennas, so that the effect that one electric energy microwave conversion device can charge a plurality of electric cars respectively is achieved, compared with the prior art that one electric energy microwave conversion device is only provided with one transmitting end array antenna, the technical scheme can fully utilize the electric energy microwave conversion device, simplify the structure of a charging system, reduce the system cost, particularly reduce the system fault rate due to the small quantity of the electric energy microwave conversion device as a core device, and is convenient to operate and maintain.
The microwave receiving end comprises a receiving end array antenna and a first rectifying circuit connected with the receiving end array antenna; the receiving end array antenna can be arranged at the top, the head part or the tail part of the trolley bus, and the scheme of using the receiving end array antenna above the top surface of the trolley bus is adopted, so that the whole receiving end array antenna has the characteristics of thin device, small occupation and high transmission efficiency. The receiving end array antenna is used for receiving microwaves transmitted by the transmitting end array antenna, and the first rectifying circuit is used for converting the received microwaves into direct current to charge an electric vehicle battery or directly drive a motor to work; the frequency adopted in the embodiment is 5.8Ghz, and has higher transmission effect compared with other transmitting frequencies; and
and the controller is connected with the microwave transmitting end to control the connection state of the electric energy microwave conversion device and the transmitting end array antenna, and the connection state comprises which transmitting end array antenna or transmitting end array antennas are started, the starting power is the same, and the like.
After the electric car owner stops the electric car in place, the electric car wireless power supply system starts a corresponding switch in the controller, and then the transmitting end array antenna at the corresponding position can be started for charging.
In a specific implementation, the wireless power supply system for a tram may further include a position detection device, connected to the controller, for detecting the position of the tram to further calculate the position of the receiving end array antenna, or directly detect the position of the receiving end array antenna, so as to quickly start the transmitting end array antenna at a corresponding position.
In a specific implementation, the wireless power supply system for the electric car can further comprise a direction adjusting device; the transmitting end array antenna is arranged on the direction adjusting device and used for adjusting the transmitting direction of the transmitting end array antenna according to the position of the receiving end array antenna and increasing the flexibility of the charging system in position.
Preferably, the direction adjusting device is connected with the controller and used for adjusting the transmitting direction of the transmitting end array antenna according to the position of the receiving end array antenna detected in real time, so that fine control of a transmitting angle is realized, emitted microwaves are received by the receiving end array antenna as much as possible, and the efficiency of microwave charging is improved. Meanwhile, by detecting the position of the electric car in real time, the direction-adjusting device can be adjusted in real time to adjust the transmitting direction of the transmitting end array antenna or the relay transmitting mode of each transmitting end array antenna, the microwave transmitted by the electric car can be tracked in real time, and the electric car can be charged in a moving mode.
In a specific implementation, the electric energy microwave conversion device comprises a second rectifying circuit and a microwave generator; the second rectifying circuit is connected with an external power supply circuit so as to convert external alternating current into direct current; the second rectifying circuit is connected with the microwave generator to convert electric energy into microwaves; the microwave generator is connected with the transmitting end array antenna and is transmitted to the receiving end array antenna through the transmitting end array antenna.
Preferably, the receiving end array antenna receives microwaves of one or more transmitting end array antennas at the same time, so as to improve charging efficiency. Traditional and the mode of the promotion charge efficiency who thinks easily only increase single transmitting terminal array antenna transmitting power, but this kind of mode receives the restriction of each side's technical condition, and there is the bottleneck in the transmitting power upper limit, and the manufacturing cost who promotes more up is high, the structure is complicated, the price/performance ratio is low, through this scheme, can control single transmitting terminal's cost, sexual valence relative altitude, simple structure simultaneously, easy maintenance.
Preferably, an activation switch is arranged on the transmitting end array antenna; the controller is connected with the activation switch to turn on or off the transmitting end array antenna.
In a specific implementation, the trolley-bus wireless power supply system further comprises a server, and the server is connected with the controller; the server is used for authenticating the user.
Further, the trolley-bus wireless power supply system further comprises a client side, the client side is connected with the server and used for power supply information authentication with the server, the client side comprises a mobile terminal such as a mobile phone, and the client side can be accessed into the server through code scanning, input position marks or other authentication modes to conduct connection authentication. After the user permission of the trolley bus is confirmed by the client, the server can start the wireless charging system to work through the controller, and the trolley bus can be charged.
The using method comprises the following steps: the method comprises the steps of starting the electric car into a wireless charging area, then carrying out charging authentication in modes of scanning codes and the like, determining a position needing to be started, detecting the position of a receiving end array antenna of the electric car by a position detection device, adjusting the direction of a transmitting end array antenna by a direction adjusting device, and starting a system to start charging. Or the trolley bus is driven into the area range capable of being charged wirelessly, and the charging can be carried out by directly starting control. Or the electric car is provided with a client, the client is automatically connected with the server for authentication after entering a chargeable area, the position detection device of the authentication completion system automatically detects the position of the electric car in real time, the direction of the array antenna of the transmitting end is adjusted in real time through the direction adjusting device to track the electric car for charging, and after the electric car moves for a certain distance and exceeds the transmitting range, the controller moves the array antenna of the other transmitting end to transmit and charge.
The utility model relates to an electric car wireless power supply field provides an electric car wireless power supply system, include: the microwave transmitting end comprises an electric energy microwave conversion device and a plurality of transmitting end array antennas connected with the electric energy microwave conversion device; the microwave receiving end comprises a receiving end array antenna and a rectifying circuit connected with the receiving end array antenna; the receiving end array antenna is used for receiving the microwave transmitted by the transmitting end array antenna; and the controller is connected with the microwave transmitting end to control the connection state of the electric energy microwave conversion device and the transmitting end array antenna. The utility model discloses a wireless charging for the trolley-bus charges and need not the wiring, has simplified the operation of charging at the charging station, small in size, occupation space not, be fit for the remote power supply of microwave, realize along with the effect along with filling, simultaneously through installing position detection device additional and transferring to the device, make the position of trolley-bus can the real-time detection location, and according to the real-time position adjustment transmitting terminal array antenna position of trolley-bus, realize that the removal of trolley-bus charges.
In the description of the present invention, it is to be understood that the terms "intermediate", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", and the like are used in the positional or orientational relationships indicated in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the invention.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on the second feature or indirectly via intermediate members. "plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The above description is for illustrative purposes only and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. that do not depart from the spirit and principles of the present invention should be construed as within the scope of the present invention.

Claims (10)

1. An electric car wireless power supply system characterized by comprising:
the microwave transmitting end comprises an electric energy microwave conversion device and a plurality of transmitting end array antennas connected with the electric energy microwave conversion device;
the microwave receiving end comprises a receiving end array antenna and a first rectifying circuit connected with the receiving end array antenna; the receiving end array antenna is used for receiving the microwave transmitted by the transmitting end array antenna; and
and the controller is connected with the microwave transmitting end to control the connection state of the electric energy microwave conversion device and the transmitting end array antenna.
2. The wireless power supply system for trams according to claim 1 further comprising a position detecting device connected to said controller for detecting the position of said receiving-side array antenna to activate the corresponding position of the transmitting-side array antenna.
3. The wireless power supply system for electric vehicles according to claim 1, further comprising a direction adjusting device; the transmitting end array antenna is arranged on the direction adjusting device and used for adjusting the transmitting direction of the transmitting end array antenna according to the position of the receiving end array antenna.
4. The wireless power supply system for trams according to claim 2, further comprising a direction-adjusting device, wherein the direction-adjusting device is connected to the controller; the transmitting end array antenna is installed on the direction adjusting device and used for adjusting the transmitting direction of the transmitting end array antenna according to the position of the receiving end array antenna detected in real time.
5. The trolley wireless power supply system according to claim 1, wherein the electric energy microwave conversion means includes a second rectification circuit and a microwave generator; the second rectifying circuit is connected with the microwave generator; the microwave generator is connected with the transmitting end array antenna.
6. The wireless power supply system for the trolley according to claim 1, wherein the receiving end array antenna is mounted on the top of the trolley, and has the effects of small space occupation and high transmission efficiency.
7. The trolley wireless power supply system according to claim 1, wherein the receiving-end array antenna simultaneously receives microwaves of one or a plurality of the transmitting-end array antennas.
8. The wireless power supply system according to any one of claims 1 to 7, wherein an activation switch is provided on the transmitting-side array antenna; the controller is connected with the activation switch to turn on or off the transmitting end array antenna.
9. The wireless power supply system for electric vehicles according to any one of claims 1 to 7, further comprising a server connected to the controller; the server is used for authenticating the user.
10. The wireless power supply system for electric cars according to claim 9, further comprising a client connected to the server for performing power supply information authentication with the server.
CN202222217275.3U 2022-08-23 2022-08-23 Wireless power supply system for electric car Active CN217835376U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222217275.3U CN217835376U (en) 2022-08-23 2022-08-23 Wireless power supply system for electric car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222217275.3U CN217835376U (en) 2022-08-23 2022-08-23 Wireless power supply system for electric car

Publications (1)

Publication Number Publication Date
CN217835376U true CN217835376U (en) 2022-11-18

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Application Number Title Priority Date Filing Date
CN202222217275.3U Active CN217835376U (en) 2022-08-23 2022-08-23 Wireless power supply system for electric car

Country Status (1)

Country Link
CN (1) CN217835376U (en)

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