20 results about "Magnetic resonant coupling" patented technology

The invention discloses a charging system and a charging method for an aircraft. The self-adaptive battery equalization module is integrated in the aircraft energy storage module and is matched with the transmitting end resonant coupling module and the energy scheduling control module which are arranged on the ground charging station, so that deep integration of an electric energy transmission link is realized through modular topology reconstruction. Wherein a multi-channel active equalization topology is embedded in the self-adaptive battery equalization module, and a dynamic charge redistribution technology based on a switched capacitor array is adopted to realize single voltage deviation control in a battery pack. According to the system, a bidirectional magnetic resonance coupling technology is added on the basis of a traditional physical contact type charging interface, so that an adaptive charging protocol can be triggered without mechanical alignment after an aircraft lands on a base, cross-air-gap energy transmission is realized through high-frequency inversion and resonance compensation, the energy conversion efficiency of the system and the reliability of the charging process are successfully and remarkably improved, and the charging efficiency is improved. And an all-weather autonomous energy supply solution is provided for mobile platforms such as an unmanned aerial vehicle cluster.

This invention pertains to implantable medical device technology, specifically relating to a large-gap, offset-resistant wireless power and communication system for implantable medical devices. The system includes an external control module, an external relay module, and an implantable stimulation module. The external control module is used for energy transmission and communication control, while the implantable stimulation module is used for energy reception and information feedback. The external relay module is positioned between the two to improve the wireless power transmission distance and efficiency. The system achieves wireless power transmission through a multi-stage magnetic resonant coupling structure and incorporates a decoupling structure between the relay coils to reduce cross-coupling, ensuring stable transmission performance even under spatial offset conditions. An internal and external wireless communication link is established, integrating energy and information transmission, and closed-loop control is achieved by collecting status information from the energy storage unit. The system can achieve stable and efficient wireless power supply and reliable communication under conditions of large gaps and positional offsets.

The utility model relates to insulator technical field especially is a wireless energy transmission device of application composite insulator, it includes insulator body, electricity taking connection subassembly and electricity connection subassembly, one end of insulator body is provided with first fitting, the other end of insulator body is provided with second fitting, insulator body is spaced apart with a plurality of coil board along its length direction, and each coil board is encapsulated with coil body, electricity taking connection subassembly includes electricity taking support and the electricity taking cable of installing on electricity taking support, and electricity connection subassembly includes electricity taking support, electricity cable and electric energy storage device. The utility model novel structure, clever design, through along the coil board of the length direction interval arrangement of multiple embedded coils of insulator body, form distributed magnetic resonance coupling path, realize high voltage side to low voltage side's non -contact energy transmission, solve the problem that traditional technology frequently replaces battery, power supply stability is influenced by weather or is power supply power limited.

The invention relates to the technical field of insulators, in particular to a wireless energy transmission system applying a composite insulator, which comprises an insulator body, an electricity taking connecting assembly and an electricity connecting assembly, and is characterized in that one end of the insulator body is provided with a first fitting, and the other end of the insulator body is provided with a second fitting; a plurality of coil plates are arranged on the insulator body at intervals along the length direction of the insulator body, and a coil body is packaged in each coil plate; the electricity taking connection assembly comprises an electricity taking support and an electricity taking cable arranged on the electricity taking support. The power connection assembly comprises a power connection support, a power connection cable and an electric energy storage device. According to the invention, the design is ingenious, a distributed magnetic resonance coupling path is formed by arranging a plurality of coil plates embedded with coils at intervals along the length direction of the insulator body, and non-contact energy transmission from a high-voltage side to a low-voltage side is realized by fusing the insulator function and a wireless energy transmission technology; the problems that batteries are frequently replaced, the power supply stability is influenced by weather or the power supply power is limited in the prior art are solved.

A magnetic resonance coupling (MRC) wireless charging device based on a differential structure is provided. The device includes a magnetic resonance transmitter module and a magnetic resonance receiver module communicatively connected to the magnetic resonance transmitter module, where the magnetic resonance transmitter module includes a differential amplifier circuit, a plurality of transmitter-side differential filter circuits, a transmitter-side differential matching circuit and a transmitter coil that are sequentially and communicatively connected; the magnetic resonance receiver module includes a receiver coil, a receiver-side differential matching circuit, a plurality of receiver-side differential filter circuits and a current-doubler rectifier circuit that are sequentially and communicatively connected; and the transmitter coil is communicatively connected to the receiver coil. The MRC wireless charging system based on a differential structure can effectively reduce the overall electromagnetic interference and has a low working voltage and low requirements on withstanding voltages and powers of the devices.

The invention discloses a bimodal emergency energy supply system for emergency unhooking of a high-voltage battery, and belongs to the technical field of new energy automobile safety, and the bimodal emergency energy supply system comprises a wired emergency channel which comprises a super capacitor energy storage module and provides instantaneous high-power electric energy for the system; the wireless emergency channel is constructed based on a magnetic resonance coupling principle and provides non-contact electric energy transmission for the system; the intelligent arbitration module is in signal connection with the wired emergency channel and the wireless emergency channel, monitors state parameters of each channel in real time, and preferentially selects the wired emergency channel based on a preset arbitration strategy, selects the wireless emergency channel when the wired emergency channel is unavailable or the performance is insufficient, or fuses electric energy output of the wired emergency channel and the wireless emergency channel; wherein the electric energy output end of the system is connected to the emergency unhooking execution module and is used for outputting electric energy to the emergency unhooking execution module so as to trigger the unhooking action. According to the application, the limitation of a single path is broken through by adopting a bimodal energy supply mode, and emergency physical isolation of a high-voltage loop can be ensured to be realized within the shortest time.

The invention discloses a mechanical-electromagnetic energy composite energy supply device, and the device comprises a wireless charging power conversion module which is used for receiving a direct current outputted by an external power supply, and carrying out the processing of the direct current to obtain a high-frequency alternating current; the electromagnetic resonance coupling module is connected with the wireless charging power conversion module and is used for wirelessly transmitting the high-frequency alternating current to obtain first alternating current; the mechanical energy conversion module is used for converting mechanical energy generated by wings of the unmanned aerial vehicle into electric energy; the energy collection module is connected with the mechanical energy conversion module and the electromagnetic resonance coupling module and used for integrating and collecting the first alternating current and the electric energy and transmitting the first alternating current and the electric energy to a load battery of the unmanned aerial vehicle for power supply. According to the invention, wing vibration and friction energy collection structures can be subjected to high-performance integration, an electromagnetic coupling mechanism is lightened, and the bottleneck of efficient mechanical-electromagnetic energy collection, conversion and interconnection power supply of the unmanned aerial vehicle is broken through.

A filter device includes: a filter element including a filtration member configured to filter a liquid and an IC tag including a first antenna coil; a filter case in which the filter element is installed; and a measurement unit installed in the filter case and including an antenna including a second antenna coil. The filter device performs transmission by magnetic resonance coupling between the first antenna coil and the second antenna coil. The filter case includes a partition wall that partitions an internal space into a first region provided with the filter element and a second region not provided with the filter element and is made of metal. The measurement unit includes a housing attached to the filter case. While the housing is disposed in the filter case, a tip end of the housing is inserted in the second region.

The present invention relates to a wireless power transmission device capable of stably operating without controlling the amount of power to prevent a circuit failure due to an overcurrent, when there is a change in the number of wireless power reception devices in a power transmission area of the wireless power transmission device, during the transmission of power using a magnetic resonance coupling method, a wireless power reception device, and a wireless power transmission and reception system including the wireless power transmission device and the wireless power reception device.

The invention discloses an amphibious deformable wheel paddle based on wireless energy transmission and a control method thereof, and relates to the technical field of wheel paddles, the amphibious deformable wheel paddle comprises a wheel body module, a wireless power supply module and a driving module, the wheel body module realizes wheel diameter extension and retraction through a slider-crank mechanism, and two states of the minimum wheel diameter and the maximum wheel diameter can be switched; the wireless power supply module stably outputs 5V / 1000mA voltage at the interval of 10mm based on the magnetic resonance coupling principle to supply energy to an embedded part, so that cable winding is avoided; a direct-current brushless motor in the driving module achieves rotation of a wheel body (the maximum linear speed of the water surface is larger than or equal to 2.17 m / s, and the single-wheel thrust is larger than or equal to 6N), and a metal gear digital steering engine drives the wheel body to deform. According to the control method, through state judgment, deformation control, motion control and energy supply guarantee, multi-scene self-adaptive switching is achieved, the maximum obstacle crossing height is larger than or equal to 60 mm, and the needed driving force is smaller than or equal to 0.584 G. The mechanism is compact in structure, efficient in switching, high in reliability and suitable for the fields of amphibious robots, special operation equipment and the like.

The invention provides a passenger train circuit board card detection system and method, and relates to the technical field of circuit fault detection, and the system comprises a data transmission module which supplies power to a to-be-detected board card in a non-contact manner through magnetic resonance coupling; the circuit fault detection module performs dynamic feature extraction and circuit fault detection based on the real-time feedback data; the self-heating repair analysis module generates a self-healing repair scheme when detecting an open circuit fault; the comparison and verification module obtains impedance characteristics after repairing the open circuit, and performs comparison and verification with a performance attenuation model; and if the verification is not passed, the parameter optimization module performs iterative repair based on the impedance characteristic difference until the verification is passed. The technical problem that in the prior art, passive overhaul depends on artificial experience and physical contact, so that it is difficult to accurately recognize and position hidden open circuit faults in complex scenes such as high-voltage isolation, and the overhaul efficiency of the circuit board card of the passenger train is affected can be solved, hidden damage is actively repaired, and the overhaul efficiency of the circuit board card of the passenger train is improved. And the maintenance efficiency of the passenger train circuit board card is improved.

The present invention discloses a distributed energy storage wireless intelligent charging system based on the Internet of Things, which relates to the field of new energy charging infrastructure, including charging nodes, multiple charging nodes forming a mesh topology structure, and the charging nodes including charging piles, energy storage units, edge computing modules, communication modules, and sensor modules. In the present invention, by integrating distributed energy storage, edge intelligent computing, mesh topology networks, dual-mode communications, magnetic resonance coupled wireless charging, fuzzy control algorithms, and mobile application technologies, intelligent management of the charging process, efficient energy scheduling, and dynamic expansion of the system are achieved. It has significant creative breakthroughs in energy storage optimization, network reliability, data processing accuracy, user interaction experience, and system flexibility, and solves problems such as low energy utilization efficiency, high grid pressure, and slow fault recovery. It has higher technical value and practical application prospects.

The application relates to a magnetic field sensitive detection device and method based on gain resonant cavity-magnetic resonance coupling, which comprises a microwave gain resonant cavity, a magnetic field probe, a coaxial cable, a phase shifter and a signal reading system; the magnetic field probe is connected in series with the microwave gain resonant cavity through the coaxial cable and the phase shifter, and a detection signal is read from an output end of the microwave gain resonant cavity; the microwave gain resonant cavity converts a change amount of a magnetic field into frequency movement of radiated microwaves through coupling with the magnetic field probe; the magnetic field probe is used for sensing changes of the magnetic field; the coaxial cable and the phase shifter are used for mediating long-range coupling between the microwave gain resonant cavity and the magnetic field probe, and accurately regulating the strength and phase of the coupling; and the signal reading system is used for detecting an oscillation frequency of the microwave gain resonant cavity. The application utilizes a hybrid mode, and the super-high response rate of the hybrid mode to an external magnetic field makes the detection system able to cause great changes of a resonance frequency even when the detection system is subjected to weak magnetic field changes.

The invention discloses a distributed energy storage wireless intelligent charging system based on the Internet of Things, and relates to the field of new energy charging infrastructure, the system comprises charging nodes, a plurality of charging nodes form a mesh topology structure, and each charging node comprises a charging pile, an energy storage unit, an edge calculation module, a communication module and a sensing module. According to the invention, through fusion of distributed energy storage, edge intelligent calculation, a mesh topology network, dual-mode communication, magnetic resonance coupling wireless charging, a fuzzy control algorithm and a mobile application technology, intelligent management of the charging process, efficient scheduling of energy and dynamic expansion of the system are realized; the method has remarkable creative breakthrough in the aspects of energy storage optimization, network reliability, data processing precision, user interaction experience, system flexibility and the like, solves the problems of low energy utilization efficiency, large power grid pressure, slow fault recovery and the like, and has higher technical value and practical application prospect.

The invention relates to a wireless charging system and method supporting frequency compensation and strategy optimization. The wireless charging system comprises a cloud server, main control site gateway equipment, a transmitting end, a receiving end and a battery system. And the cloud server deploys a battery state prediction model, generates an energy scheduling strategy and a battery charging optimization strategy, and issues the strategies to the main control site gateway equipment for edge control. The transmitting end collects coil parameters between the transmitting end and the receiving end, generates a frequency compensation strategy, dynamically adjusts resonant frequency, and generates an alternating magnetic field to realize magnetic resonance coupling energy transmission. The receiving end collects battery operation parameters and feeds back the parameters, and the transmitting end adjusts the charging current by combining the feedback parameters and the optimization strategy. The system integrates 2.4 G wireless communication, protocol conversion and model optimization, and an efficient and safe wireless charging process is realized.

The invention discloses a power transmission line defect sensing type composite insulator which comprises an insulator body, a first fitting and a second fitting are arranged at the upper end and the lower end of the insulator body respectively, a sheath and an umbrella skirt are sequentially arranged outside a core rod of the insulator body, and a state sensing system and a wireless energy transmission system are integrated on the insulator body; the state sensing system is used for monitoring and analyzing an electric field, vibration and ultrasonic signals on the surface of the insulator in real time so as to realize identification and positioning of internal defects; and the wireless energy transmission systems are distributed at intervals in the axial direction of the insulator body and used for transmitting electric energy between the high-voltage end and the low-voltage end in a non-contact mode through a magnetic resonance coupling mode and providing continuous electric power supply for the state sensing system. The problems that internal defects of an existing composite insulator are difficult to find in time, a high-voltage side sensing unit cannot stably supply power for a long time, and long-term operation reliability is insufficient are solved.

This invention discloses a passive dual-feedback long-range triggered object-finding tag powered by NFC and its control method, belonging to the field of NFC wireless power supply and smart object finding. The tag includes: a high-Q NFC magnetic resonance coupling antenna and a dynamic impedance matching network to achieve efficient energy harvesting over a distance of 1-2 meters; a dual-path heterogeneous voltage threshold adaptable power supply architecture controlled by a voltage detection comparator, which activates the acoustic-optical feedback unit for area positioning when the voltage reaches 1.5V and the Bluetooth broadcast unit for precise positioning when it reaches 2.5V; and a high-permeability ferrite magnetic shielding sheet to ensure resistance to metal interference. This invention also discloses the corresponding control and manufacturing methods. This invention completely eliminates the need for a battery, achieving zero standby power consumption and ultra-long lifespan, with a total thickness that can be compressed to below 0.8mm. It is the first invention to achieve passive tag triggering and dual-mode feedback using a civilian mobile phone's NFC at a distance of 1-2 meters, solving the core problems of existing object finders such as reliance on batteries, large thickness, and short NFC tag triggering distance.

The present application relates to a kind of wireless charging system and method of supporting frequency compensation and strategy optimization, including cloud server, master site gateway device, transmitting end, receiving end and battery system. Cloud server deploys battery state prediction model, generates energy scheduling strategy and battery charging optimization strategy, and issues to master site gateway device for edge control. Transmitting end collects the coil parameter between receiving end, generates frequency compensation strategy and dynamically adjusts resonance frequency, produces alternating magnetic field to realize magnetic resonance coupling energy transmission. Receiving end collects battery operating parameter and feedback, and transmitting end adjusts charging current in combination with feedback parameter and optimization strategy. System fusion 2.4G wireless communication, protocol conversion and model optimization, realize efficient, safe wireless charging process.

The invention discloses an unmanned aerial vehicle highway traffic state monitoring system and method based on a dynamic charging network, the problem of detection failure in complex weather is solved through visible light, thermal imaging and millimeter-wave radar of a multi-mode sensing fusion technology, the endurance mileage of an unmanned aerial vehicle is increased by 270% and reaches 82km through magnetic resonance coupling of the dynamic charging network and a super capacitor, and the unmanned aerial vehicle traffic state monitoring system and method based on the dynamic charging network are provided. A hierarchical real-time distribution mechanism is subjected to P0-level response delay lt; and high-efficiency transmission of accident information is ensured within 15 seconds. The system covers the whole process of data acquisition, path planning, charging scheduling and information distribution, and significantly improves the highway monitoring efficiency and traffic safety.

This application relates to a brain-computer interface (BCI) control system and method. Its wireless power supply transmitter transmits energy through the skin at a frequency of 6.78MHz via magnetic resonance coupling to an implantable BCI controller (ICU) within the body. This allows the ICU to power an implantable brain signal acquisition unit (NRU) and an implantable spinal nerve stimulator (NSU) based on the received energy, enabling wireless power supply to implantable medical devices such as the NRU and NSU. Furthermore, the external BCI controller (ECU) and the implantable ICU communicate wirelessly for motion feedback and control, achieving a closed-loop control system of "perception-decision-feedback-adjustment," thereby improving the accuracy and adaptability of motion control.