Sniffing circuit for wireless charging communication
A wireless charging and communication technology, applied in the direction of electric vehicle charging technology, electric vehicles, electrical components, etc., can solve the problem of destroying the product structure and removing the limitations of the wired communication interface of the circuit board, achieving simple structure, high success rate, and easy integration Effect
Inactive Publication Date: 2022-07-08
无锡市瀚为科技有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to provide a sniffing circuit for wireless charging communication, to solve the existing problem of measuring the communication data in the wireless charging process, which must destroy the product structure and remove the circuit board or the limitation of a wired communication interface.
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[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0021] see figure 1 As shown, a sniffing circuit for wireless charging communication includes: an induction circuit, a coupling circuit 1, an amplifier circuit 1, a detection circuit, a coupling circuit 2, and a filter circuit 2; the induction circuit is sequentially connected with the coupling circuit 1 and the amplifier circuit 1. , detection circuit, coupling circuit 2, and filter circuit 2 are electrically connected; the inductio...
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The invention discloses a sniffing circuit for wireless charging communication, and relates to the technical field of wireless charging. The circuit comprises an induction circuit, a first coupling circuit, a first amplifying circuit, a detection circuit, a second coupling circuit and a second filtering circuit. The induction circuit is electrically connected with the first coupling circuit, the first amplifying circuit, the detection circuit, the second coupling circuit and the second filtering circuit in sequence. The wireless charging communication sniffing circuit is simple in structure and convenient to integrate, communication data can be demodulated by placing the sniffing circuit near a wireless charging device, connection and communication can be achieved without damaging the charging device and taking out a circuit board or an additional hardware communication interface, and convenience and rapidness are achieved; and two groups of sniffing circuits are arranged to detect different frequencies, so that the whole working frequency band is covered and the two groups of sniffing circuits are mutually backed up, and the demodulation success rate is improved.
Description
technical field [0001] The invention belongs to the technical field of wireless charging, and in particular relates to a sniffing circuit for wireless charging communication. Background technique [0002] At present, the communication data between the transmitter and the receiver in the wireless charging process is still measured with an oscilloscope; or through software programming, the transmitter can send the decoded data through the hardware communication interface, and the communication data is displayed on the host computer on the computer. [0003] These two methods have great limitations. When using an oscilloscope, the product must be disassembled to measure the signal directly on the circuit board, and the communication code needs to be manually decoded; the data sent by programming can only measure the products designed and produced by our company, and there must be communication The interface communicates with the outside world. SUMMARY OF THE INVENTION [000...
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IPC IPC(8): H04B17/00H04B1/16H04L27/14
CPCH04B17/00H04B1/16H04L27/14Y02T90/14
Inventor 毛龙韬汤岐邹海春
Owner 无锡市瀚为科技有限公司