Wireless Energy and Data Transmission via Magnetic Coupling
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Solution Overview
Problem
Current wireless energy and information transmission technologies face challenges in distributed networking scenarios, particularly in controlling the conversion between wireless energy and information transmission for multiple devices, leading to inefficiencies and high costs, especially in energy-limited environments like wireless sensor networks.
Innovation Solution
A wireless communication system with an integrated energy transmission function, comprising a control module, MOS driving and power amplifier modules, electric-to-magnetic and magnetic-to-electric conversion modules, rectifier and voltage regulator, LVDS and TTL signal conversion modules, and a magnetic-ring coupling module, which enables simultaneous and independent transmission of electric and digital signals using FPGA for efficient energy and data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dual-flow mode is used to achieve wireless energy and information transmission, then information flow can be achieved by wireless devices, but the system becomes high in cost and complicated in circuit
Solution Approach 1:
The patent combines energy transmission and information transmission into a single-flow mode using one set of coils and circuitry. The transmitting terminal uses a single coil to simultaneously transmit both energy and data signals, eliminating the need for separate wireless communication devices and reducing circuit complexity while maintaining reliable information transmission capability.
Solution Approach 2:
The patent makes the single coil serve multiple functions by enabling it to transmit both energy and information signals. The coil acts as both a power transmission element and a communication channel, allowing the system to perform dual functions with a single component, thereby reducing overall system complexity and cost.
2Adaptability or versatility
If traditional distributed communication protocol CSMA is applied to devices adopting wireless energy and information transmission technology, then time-division approach can be used, but it cannot be directly applied to distributed networking scenarios
Solution Approach 1:
The patent modifies the CSMA protocol parameters and mechanisms to adapt them for wireless energy and information transmission. It introduces new parameters such as energy availability detection and adjusts the backoff algorithm to account for energy constraints, making the protocol compatible with distributed networking scenarios while maintaining reliability through adapted collision avoidance mechanisms.
3Duration of action of moving object
If wireless energy and information transmission is introduced into distributed wireless networks with energy limited devices, then service life of batteries can be prolonged, but control of conversion between energy and information transmission becomes inefficient
Solution Approach 1:
The patent implements dynamic control mechanisms that adjust the transmission mode between energy and information based on real-time network conditions and device energy states. The system dynamically switches between transmission modes, adjusts power levels, and optimizes resource allocation to maintain high conversion efficiency while extending battery service life through adaptive energy management.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system ensures efficient, independent transmission of electric and digital signals, simplifying the structure and operation while maximizing system efficiency and minimizing interference, thereby prolonging battery life in distributed networks.
Implementation Method 1
an electric-to-magnetic conversion module (131), wherein an input terminal of the electric-to-magnetic conversion module (131) is connected with an output terminal of the power amplifier module (120)
Implementation Method 2
a magnetic-to-electric conversion module (141), wherein an input terminal of the magnetic-to-electric conversion module (141) is connected with an output terminal of the magnetic-ring coupling module (140)
Implementation Method 3
a magnetic-ring coupling module (140), wherein an output terminal of the electric-to-magnetic conversion module (131) is connected with an input terminal of the magnetic-ring coupling module (140); an output terminal of the magnetic-ring coupling module (140) is connected with an input terminal of the magnetic-to-electric conversion module (141)
Data Source
AI summary
The present invention relates to a wireless communication system with an energy transmission function. An output terminal of a control module is connected with an input terminal of an LVDS conversion module and an input terminal of a MOS driving module, respectively. An output terminal of the MOS driving module is connected with an input terminal of a MOS power amplifier module. The MOS power amplifier module is electrically connected with a power supply. An output terminal of the MOS power amplifier module is connected with an input terminal of an electric-to-magnetic conversion module. The input terminal of the electric-to-magnetic conversion module is also connected with an output terminal of the LVDS conversion module. An output terminal of an electric-to-magnetic conversion module is connected with an input terminal of a magnetic-ring coupling module. An output terminal of the magnetic-ring coupling module is connected with an input terminal of a magnetic-to-electric conversion module. An output terminal of the magnetic-to-electric conversion module is connected with an input terminal of a rectifier and voltage regulator module and an input terminal of a TTL signal conversion module, respectively; an output terminal of the TTL signal conversion module is connected with an input terminal of a receiving module, and an output terminal of the rectifier and voltage regulator module is connected with the an input terminal of the voltage output module. The embodiment is simple in structure and high in efficiency.