Inductive charger coupling for electric vehicles
First Claim
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1. An inductive charger coupling for charging a battery using electromagnetic induction, the coupling comprising:
- a charging paddle, wherein the paddle includes a primary core, a primary coil and a paddle communication circuit for receiving information representing the charging state of the battery, the primary coil being connected to a power source and wound around the primary core, wherein the paddle circuit board includes a paddle antenna and the paddle communication circuit, the paddle antenna being connected to the paddle communication circuit, wherein the paddle antenna is a conductive print pattern formed on the paddle circuit board; and
a receptacle, in which the paddle is received, for delivering power to the battery, wherein the receptacle includes a secondary core, a secondary coil, a receptacle circuit board and a receptacle communication circuit for transmitting the information, the secondary coil being electrically connected to the battery and wound around the secondary core, wherein the receptacle circuit board includes a receptacle antenna and the receptacle communication circuit, the receptacle antenna being connected to the receptacle communication circuit by a connecting line made of a conductive print pattern formed on the receptacle circuit board, wherein the receptacle antenna is a conductive print pattern formed on the receptacle circuit board.
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Abstract
An inductive charger coupling for charging batteries of electric vehicles which includes a paddle having a circuit board comprising a communication circuit for receiving electrical signals regarding the battery charging state, and an antenna formed as a conductive print pattern on the paddle circuit board; the communication circuit converts radio signals received by the antenna into electrical signals; the receptacle receiving the paddle during charging includes a communication circuit and an antenna formed as a conductive print pattern on the receptacle circuit board.
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Citations
13 Claims
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1. An inductive charger coupling for charging a battery using electromagnetic induction, the coupling comprising:
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a charging paddle, wherein the paddle includes a primary core, a primary coil and a paddle communication circuit for receiving information representing the charging state of the battery, the primary coil being connected to a power source and wound around the primary core, wherein the paddle circuit board includes a paddle antenna and the paddle communication circuit, the paddle antenna being connected to the paddle communication circuit, wherein the paddle antenna is a conductive print pattern formed on the paddle circuit board; and a receptacle, in which the paddle is received, for delivering power to the battery, wherein the receptacle includes a secondary core, a secondary coil, a receptacle circuit board and a receptacle communication circuit for transmitting the information, the secondary coil being electrically connected to the battery and wound around the secondary core, wherein the receptacle circuit board includes a receptacle antenna and the receptacle communication circuit, the receptacle antenna being connected to the receptacle communication circuit by a connecting line made of a conductive print pattern formed on the receptacle circuit board, wherein the receptacle antenna is a conductive print pattern formed on the receptacle circuit board. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An inductive charger coupling for charging a battery using electromagnetic induction, the coupling comprising:
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a charging paddle, wherein the paddle includes a primary core, a primary coil, and a receiving circuit board, wherein the primary coil is wound around the primary core and is connected to a power source, wherein the receiving circuit board includes a paddle antenna and a receiving circuit, wherein the paddle antenna is connected to the receiving circuit, wherein the receiving circuit converts radio waves received by the paddle antenna into information concerning the battery charging state; and a receptacle, in which the paddle is received, for delivering power to the battery, wherein the receptacle includes a secondary core, a secondary coil, a transmitting circuit board for transmitting the information using radio waves, the secondary coil being electrically connected to the battery and wound around the secondary core, wherein the receiving circuit board includes a receptacle antenna and a transmitting circuit, the receptacle antenna being connected to the transmitting circuit by a connecting line made of conductive print pattern formed on the transmitting circuit board, wherein the transmitting circuit converts the information into radio waves, the radio waves being transmitted from the receptacle antenna, and wherein the receptacle antenna is a conductive print pattern formed on the transmitting board. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification