341 results about "Wireless power supply" patented technology

The present application belongs to the field of transmission technology, and discloses a multi-base station cooperative wireless energy supply energy efficiency evaluation optimization method and system and an electronic device. The present application constructs a passive Internet of Things system model of multi-wireless energy supply base station cooperative energy supply passive energy device; according to the passive Internet of Things system model, the statistical average energy collection efficiency of the passive Internet of Things system is defined, and the statistical average energy collection efficiency is taken as an evaluation index of the energy efficiency of multi-base station cooperative wireless energy supply; an optimization problem of maximizing the statistical average energy collection efficiency is constructed; the optimization problem is solved to obtain power distribution information of the multi-wireless energy supply base station corresponding to the maximization of the statistical average energy collection efficiency; and the multi-base station cooperative wireless energy supply is configured and optimized according to the power distribution information. The present application can meet the demand of multi-base station energy supply for long-term reliability of energy efficiency in practical application.

A power transmission device according to one embodiment of the present disclosure comprises a control unit that controls a power transmission unit that performs wireless power transmission. The control unit comprises: a means for identifying dynamic information relating to a power receiving surface that corresponds to a power receiving unit with which a target power receiving device is provided; a means for identifying static information relating to the power receiving surface; a means for referring to the dynamic information relating to the power receiving surface and the static information relating to the power receiving surface to generate control parameters relating to a radiation direction and a beam shape of a power transmission beam for supplying electrical power to the target power receiving device; a means for causing the power transmission unit to radiate the power transmission beam in accordance with the control parameters; a means for referring to a position of an edge in an image produced by imaging of an area around the target power receiving device and monitoring entry of biological bodies or objects into an entry-prohibited space arising in an area around a route of the power transmission beam; and a means for stopping radiation of the power transmission beam if entry of a biological body or an object into the entry-prohibited region has been detected.

The invention provides a magnetic drive conveying system. The magnetic drive conveying system comprises a conveying track, a rotor device, a wireless power supply mechanism and a wireless power obtaining mechanism. The conveying track comprises a stator magnet; the rotor device comprises a rotor base, a rotor magnet and a reversing mechanism, the rotor magnet and the reversing mechanism are arranged on the rotor base, the rotor magnet is magnetically coupled with the stator magnet so as to generate driving force used for driving the rotor base to move along the conveying track, and the reversing mechanism is used for driving the rotor base to change the moving direction of the rotor base on the conveying track; the wireless power supply mechanism is connected to the conveying track; the wireless electricity obtaining mechanism is connected to the rotor base and electrically connected with the reversing mechanism. When the rotor base moves on the conveying track, the wireless power obtaining mechanism is magnetically coupled with the wireless power supply mechanism, so that electric energy is obtained through the wireless power supply mechanism, and power is supplied to the reversing mechanism. Therefore, the problem of supplying power to the reversing mechanism is solved, the continuity of electric energy acquisition is ensured, and the normal operation of the reversing mechanism is prevented from being influenced by power supply interruption.

The invention provides a dynamic wireless power supply system transmitting end power distribution network and a switching control method thereof, and belongs to the technical field of wireless power transmission. The invention aims to solve the problems that a significant current is induced in a non-working guide rail due to coupling of adjacent guide rails in a parallel LCC compensation topology of a high-power dynamic wireless power supply system and a relatively large voltage and current peak is generated in a loop when a switch is switched. The transmitting end power distribution network comprises a transmitting end, a guide rail circuit, a rectifying circuit and a load. The switching control method comprises the following steps: dividing the work of a power distribution network of a transmitting end into a first working state to a fifth working state according to the on-off states of a main switch and an auxiliary switch, setting transmitting end and receiving end partial harmonic equivalent inductors of partial harmonic of the transmitting end and the receiving end, and adjusting the partial harmonic degree of the transmitting end according to the coupling degree between guide rails, and according to the input impedance of the transmitting end and the equivalent resonance impedance reflected to the transmitting end by the receiving end, adjusting the partial resonance degree of the receiving end, and repeating the working double tires to realize inversion soft switching.

The invention relates to a wireless power supply system for intelligently inhibiting dynamic disturbance magnetic resonance. The wireless power supply system comprises a vehicle-mounted subsystem and a ground subsystem. The vehicle-mounted subsystem collects motion, position and task data by using a multi-dimensional state real-time sensing module; the dynamic disturbance prediction module predicts future space displacement and power consumption based on a machine learning model and generates future disturbance information. And the vehicle-mounted end communication module sends the information to a ground subsystem. After the ground subsystem receives the signal, a feedforward compensation decision module determines a target transmitting frequency and equivalent impedance; the power output and feed-forward execution module adjusts parameters in advance, so that a system working point is optimal before disturbance occurs. According to the method, disturbance caused by dynamic movement and load change of the mobile equipment can be actively predicted and compensated in advance, so that the electric energy transmission efficiency and the system stability are always kept at the optimal level under the continuous dynamic working condition.

The utility model provides a kind of wireless power supply device, including rear mounting assembly, including rear shell, and first conductive structure being arranged in rear shell, it includes first PCB board, first insulating part and first coil arranged in sequence, wherein, first PCB board is located at rear shell bottom wall and contact with it, wiring component is further provided on rear shell, one end of wiring component is connected with first PCB board, and the other end of wiring component is communicated with power supply;Front mounting assembly, including front shell, front shell is detachably connected with rear shell, second conductive structure is provided in front shell, and second conductive structure includes second PCB board, second insulating part and second coil arranged in sequence, wherein, second PCB board is located at front shell bottom wall and contact with it;Solved the installation difficulty, contact problem and easy damage problem of existing technology when 4 inch central control screen is connected with power supply between strong current and weak current module using pin row seat or FPC soft cable.

According to the optimization method for data acquisition of the unmanned aerial vehicle in the wireless power supply Internet of Things, a nonlinear energy collection model is adopted, an optimization target is modeled as a mixed integer nonlinear programming problem, and the optimization problem is decomposed into an equipment service sequence generation module (a main module) and an unmanned aerial vehicle trajectory optimization module (a sub module). In the main module, the service priority of equipment is dynamically adjusted on the basis of equipment data volume and historical service times, meanwhile, in view of mutual conflict of optimization targets, a multi-objective evolutionary strategy is adopted to generate a Pareto frontier solution set, and an optimal equipment access sequence of each round is screened from the Pareto frontier solution set, and in the sub-module, for the continuous action parameter adjustment problem of the unmanned aerial vehicle, the optimal equipment access sequence of the unmanned aerial vehicle is obtained. The input dimension of the neural network is reduced by constructing a lightweight state space, and a multi-target reward function including data collection amount and energy consumption is designed, so that collaborative optimization and long-term balance of equipment service fairness, the data collection amount and the energy consumption of the unmanned aerial vehicle are realized.

The application provides a wireless power supply device and a wireless power supply method. The wireless power supply device comprises an antenna and a driving module for changing the position of the antenna. The wireless power supply device can be a transmitting end of wireless power supply. Because the antenna of the transmitting end has the function of variable position, the direction of the antenna can be dynamically adjusted to face the power receiving end, so that the transmitting capacity of all antennas of the transmitting end can be exerted in any application scenario, and the utilization rate of the antenna is improved.

This utility model belongs to the field of electronic product technology, and specifically relates to a plug-in signal transmission sensor with wireless power supply. The housing assembly includes a lower shell, a middle section, an upper shell, and a probe, which are arranged sequentially from top to bottom. The lower end of the probe is detachably connected to the upper end of the upper shell, the lower end of the upper shell is detachably connected to the upper end of the middle section, and the lower end of the middle section is detachably connected to the upper end of the lower shell. The electronic components are installed within the space enclosed by the upper, middle, and lower shells. Signal data is directly exported through the upper shell, eliminating the need to transmit signal data to the lower base contacts as in older products, effectively improving the stability and efficiency of signal data export. The plug-in connection avoids the use of wires, helping to solve problems caused by wiring in older products, thereby saving maintenance time and costs.

The utility model discloses a magnetic suspension small lamp, which belongs to the technical field of suspension small lamps and comprises a magnetic suspension and wireless power supply base and a luminous magnetic suspension lamp ball, the magnetic suspension lamp ball is arranged above the base in a magnetic suspension manner, an anti-falling mechanism is arranged on the surface of the base, and the anti-falling mechanism comprises an angle adjusting component, an anti-falling protection arm and an adsorption component; according to the magnetic suspension lamplet, through the arrangement of the anti-falling mechanism, the stability of the base can be effectively enhanced when the base is placed through the design of the angle adjusting assembly and the adsorption assembly. Before use, the base is pressed downwards, the positioning suction cup is adsorbed on a table top, and the rotating block keeps a set angle under the torsion action of the torsion spring, so that the rotating block with torsion limiting force can enhance the effect of keeping the adsorption position of the positioning suction cup, and the possibility that the base is collided to generate sudden rapid displacement is reduced; therefore, the risk that the magnetic suspension lamp ball falls off due to displacement of the base is reduced.

1. Name of the product in this design: Energy Storage Unit (CTPS-020C). 2. Purpose of this design: Supercapacitor energy storage device for wireless power supply systems. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses a refrigerator relates to household electrical appliances technical field, wherein, the refrigerator includes the casing, the inner bag, the shelf and wireless power supply device, the inner bag sets up in casing, the inner bag includes a plurality of upper and lower extension inner wall, the shelf is detachably connected in the inner wall through the limiting structure, and the shelf is provided with the lighting module, wireless power supply device includes the transmitting module and receiving module, the transmitting module sets up in the inner wall, and receiving module sets up in the shelf, and opposite along the first direction with transmitting module, and receiving module and lighting module electric connection, wherein, the shelf and the inner wall are fixed in the first direction through the limiting structure. The utility model provides technical scheme aims at guaranteeing the clearance stability of transmitting module and receiving module to guarantee the lighting effect of lighting module on the shelf.

This network node has: a reception unit that receives information pertaining to remaining battery capacity from a terminal; a control unit that determines whether to perform wireless power supply to the terminal on the basis of the remaining battery capacity; and a transmission unit whereby a message requesting approval for wireless power supply is transmitted to another network node when it is determined that wireless power supply to the terminal is to be performed.

A magnetic resonance wireless power supply device utilizing PT symmetry, the magnetic resonance wireless power supply device including a power supply side resonance circuit including a power supply coil and a power receiving side resonance circuit including a power receiving coil. An inverter 3 and a sensor 4 are connected to the power supply side resonance circuit 3. A switch timing, which is the time for turning on or turning off switching elements inside the inverter 3, is determined based on pulses generated by signals after the phase relationship is adjusted by a phase adjustment circuit 30. Thus, one of the two resonance loops is selected and fixed.

The application belongs to the field of low-power Internet of Things, and particularly relates to a resource allocation method for a full-duplex wireless power supply backscattering communication system; the method comprises the following steps: constructing a full-duplex wireless power supply backscattering communication system model; considering throughput constraints, transmission power constraints, energy collection constraints, transmission energy consumption constraints, reflection coefficient constraints and time allocation factor constraints, constructing a total throughput maximization resource allocation model with the optimization target of maximizing the total throughput; converting the throughput maximization resource allocation model into four optimization sub-problems; solving the four optimization sub-problems to obtain a resource allocation scheme; and allocating resources according to the resource allocation scheme; the application considers the minimum throughput requirement of each reflection node, meets the quality of service requirement of the reflection node, and improves the system throughput.

The invention discloses a source-storage-load operation mode switching mode for an undersea wireless power supply system, and the mode comprises the steps: according to the power required by an undersea wireless power supply base station and the output power of a photovoltaic power generation unit; and the battery SOC of the storage battery of the battery energy storage unit and the output power of the storage battery of the battery energy storage unit switch a source storage power supply mode among a photovoltaic grid-connected mode, a residual electricity energy storage mode, a light storage power supply mode, a battery power supply mode and a power grid power supply mode. According to the invention, a source storage load interaction and cooperation operation mode is formulated, switching of different operation modes under different working conditions is realized, and stable operation of an undersea power supply system is maintained.

SOLUTION: A wireless system 10 includes a first base wireless device 14B, a first sensor device 18B that wirelessly communicates with the first base wireless device, and a first wireless power supply device 20D that wirelessly supplies power to the first sensor device by using microwaves, wherein a wireless communication link paired in advance is established between the first base wireless device and the first sensor device, The first sensor device outputs a signal corresponding to the stroke position of the actuator 72, and the sensor element 60 included in the first sensor device includes a magnetic sensor.SELECTED DRAWING: Figure 9

[Problem] To provide a two-dimensional wireless power supply sheet that is less affected by water or the like and a wireless power supply system. [Solution] According to an embodiment of the present invention, a two-dimensional wireless power supply sheet is provided. The two-dimensional wireless power supply sheet comprises a dielectric layer, a first conductive layer, and a second conductive layer. The dielectric layer is formed by being sandwiched between the first conductive layer and the second conductive layer, and thereby guides electromagnetic waves in one predetermined direction. The first conductive layer includes a conductor having a first shape. The first shape shortens the wavelength of the electromagnetic waves and generates a magnetic field in a direction perpendicular to the direction in which the electromagnetic waves are guided and penetrating the first conductive layer and the second conductive layer. The second conductive layer includes a conductor having a second shape, said conductor being disposed at a position facing the first conductive layer across the dielectric layer. The second shape is different from the first shape.

The utility model discloses a connector unit, a hollow motor, a rotating joint and a rotating device, the connector unit comprises a first fixing module, a second fixing module, a first communication end, a second communication end and N pairs of wireless power supply coils, and N is greater than or equal to 1; the first communication end is fixed on the first fixing module, and the second communication end is fixed on the second fixing module; each pair of the N pairs of wireless power supply coils is correspondingly arranged on the first fixing module and the second fixing module respectively; the first fixing module can rotate relative to the second fixing module; the first communication end and the second communication end are in wireless communication; a wireless mode is adopted, a control line and a power line can be omitted, the structure is compact, wireless power supply and wireless data transmission are adopted, the anti-interference capacity is high, the information transmission rate is high, and the requirement for high-speed rotation can be met.

This wireless power supply system comprises: a power transmitter that transmits radio waves; a relay device that receives power by the radio waves transmitted from the power transmitter, transmits the radio waves, and supplies power to a device; and a control unit that controls power supply to the device. The relay device acquires device information pertaining to a first device to which power is being supplied by the relay device. The control unit calculates the degree of congestion for each relay device on the basis of the device information for each relay device, and selects the relay device that supplies power to a second device on the basis of the degree of congestion.

The invention discloses a ground user equipment position privacy protection method for a wireless power supply communication network, and relates to the technical field of unmanned aerial vehicle communication technology and privacy protection. The method comprises the following steps: firstly, designing controllable Gaussian noise, and linearly superposing the Gaussian noise and original transmission power to obtain initial disturbance transmission power; in the process, a strict mathematical framework of differential privacy is introduced into signal power control of a physical layer to elaborately design Gaussian noise to enable the Gaussian noise to meet the privacy budget and hardware power range, and controllable and quantifiable guarantee is provided for position privacy from a theoretical source; and then, a power cut-off mechanism is introduced, and the disturbed power is forcibly limited in a feasible range of user equipment hardware, so that the power transmitted by the user equipment is always normal as seen by the unmanned aerial vehicle and is perfectly fused into conventional communication power fluctuation, and the on-going privacy protection operation is effectively hidden. The received signal strength reasoning attack is resisted, and finally high-efficiency user equipment position privacy protection is realized.

The invention discloses an anti-interference transmission method of an STAR-RIS assisted wireless power supply communication network, and relates to the field of wireless communication, and the method comprises the steps: introducing an intelligent metasurface STAR-RIS capable of transmitting and reflecting at the same time, and carrying out the joint alternating optimization of system time slot distribution and STAR-RIS phase shift through employing an efficient complex circular manifold optimization algorithm RMO, thereby achieving the optimal transmission of the STAR-RIS. Finally, the anti-interference transmission method with high performance, high reliability and high energy efficiency is realized. And a wireless channel can be dynamically shaped. According to the method, an energy beam can be accurately aligned to target user equipment, and a signal null or weak energy region is aligned to an interference source, so that interference is actively and intelligently inhibited on a physical layer, and meanwhile, the efficiency of energy transmission and information transmission is considered; and finally, excellent transmission performance with high reliability, high energy efficiency and high throughput in a complex wireless environment is achieved.

To provide a wireless power supply system 1 which satisfactorily supplies AC power output from an AC power supply 4 to an electric load 50 when a movable body 3 moves.SOLUTION: The wireless power feeding system 1 includes the matching circuit 30 disposed between the coupler 60 and the electric load 50, and the matching circuit 40 disposed between the AC power supply 4 and the coupler 60. The matching circuit 30 has an impedance that cancels the reactance Xl in the impedance Zl. The matching circuit 40 operates such that the impedance Zin on the matching circuit 40 side with respect to the AC power supply 4 is proportional to the resistance value R of the electric load 50. By changing the value of the current flowing from the AC power supply 4 to the electric load 50 in accordance with the change in the resistance value R, the power output from the AC power supply 4 is supplied to the electric load 50.SELECTED DRAWING: Figure 1

The utility model discloses a wireless cleaning brush and a heating cigarette smoking set assembly, and the wireless cleaning brush comprises an induction coil, a motor and a brush support; the motor is connected with two ends of the induction coil through connecting wires to form a closed loop; an output shaft of the motor is connected with the first end of the brush support, a brush supporting plate is formed at the end of the second end of the brush support, and a brush is arranged on the brush supporting plate. The wireless cleaning brush is driven through the wireless charging device, so that the heating cavity is cleaned through the wireless cleaning brush while the heating cigarette smoking set is charged, wireless power supply of the cleaning brush is achieved, the use convenience of the cleaning brush is improved, and the user experience is improved.

The present application belongs to the technical field of wireless power transmission, and aims at the problems of insufficient flexible power supply capability, poor anti-interference capability, low energy efficiency and lack of universal design method of the existing capacitive coupling multi-load electric vehicle wireless power supply system, and provides an electric vehicle single-transmitting multi-receiving wireless power supply system based on capacitive coupling, which uses the mudguard of the electric vehicle as a third plate to enhance the stray capacitance and provide a current loop; an optimized model of the coupler considering cross coupling and a circuit design model ignoring cross coupling are established; a transmitting side CLL-M compensation circuit with isolation is adopted to realize constant voltage output of the transmitting plate and constant current output of the load; and a universal design method suitable for multiple electric vehicles is provided. The system can effectively improve the energy efficiency characteristics, has flexible power supply capability and strong anti-interference capability, and can determine the minimum load spacing ignoring cross coupling, and each load outside the spacing maintains independent output.

A power-transmitter control unit (70) of a power transmitter device (20) calculates an intensity of a power supply request signal based on an output signal of a power-transmitter communication coil (40), and energizes the power transmitter coil (22) when determining that the calculated intensity exceeds a determination threshold. The power transmitter device (20) includes a detection circuit (91) that measures background noise near the power transmitter coil (22). When the measured background noise is large, the power-transmitter control unit (70) sets the determination threshold to a larger value than the determination threshold when the background noise is small. When the measured background noise is large, the power-receiver control unit (230) of the power receiver device (100) sets the intensity of the power supply request signal to be larger than the intensity when the background noise is small.

The utility model discloses a connector for medical equipment and the medical equipment. The connector for the medical equipment comprises a front shell assembly, a middle shell assembly, a supporting piece and a rear shell assembly. The front shell assembly comprises a front shell body, a wireless power supply assembly, a wireless transmission assembly and a clamping piece. The clamping piece and the front shell are detachably assembled, and in the assembled state, the clamping piece and the front shell define a containing space; the wireless power supply assembly and the wireless transmission assembly are located in the containing space. The middle shell assembly comprises a functional connector. The supporting piece is assembled with the clamping piece, penetrates through the middle shell assembly and is detachably assembled with the rear shell assembly. In the assembling state, the middle shell assembly is clamped by the clamping piece and the rear shell assembly. Based on the arrangement, the connector for the medical equipment is completely detachable, convenient to maintain, high in practicability, short in time consumption of manual assembly and disassembly, and low in economic cost.

Provided is a wireless stimulation control device, including: a living body analysis unit for generating, on the basis of living body information regarding a living body acquired from a sensor, living body analysis information indicating a result of analyzing the state of the living body; a stimulation control unit for generating, on the basis of the living body analysis information, stimulation control information regarding control of stimulation of a nearby nerve of an in vivo stent, with the stimulation using an induced current and being performed by the stent that is configured to generate the induced current on the basis of an electric field or magnetic field; and a wireless power supply unit for supplying, on the basis of at least one of the living body analysis information and the stimulation control information, an electric field or magnetic field to the stent so as to generate the induced current.

To provide a harmful bird and animal control system and method which can simultaneously monitor and repel harmful birds and animals and wirelessly feed power to a drone safely and at low cost while ascending and descending in a moored state to a power transmission pole regardless of bad weather such as strong winds and heavy rain, and can also patrol and track harmful birds and animals when necessary. [Solution] By simply erecting a power transmission pole 12 in a bear-infested area, even in bad weather such as strong winds or heavy rain, a drone 11 tethered to the power transmission pole 12 can use the pole 12 as a guide to ascend and descend while monitoring and repelling bears, while simultaneously charging via wireless power supply, without being blown away by wind and rain. This enables safe, low-cost, and continuous bear control. Furthermore, when necessary, the drone 11 can be undone from the power transmission pole 12 to, for example, patrol and track bears, safely driving them back into the forest.

The invention discloses a wireless electric energy transmission system with dynamic and static compatibility and a parameter design method, and relates to a wireless electric energy transmission system and a parameter design method. The invention aims to solve the problem that only one of the design of a static wireless charging system and a dynamic wireless power supply system can be realized at present. The wireless electric energy transmission system comprises an SDDS type dynamic and static compatible receiving end, a static wireless electric energy transmission system and a dynamic wireless electric energy transmission system. The SDDS type dynamic and static compatible receiving end is used for receiving power supplied by the static wireless power transmission system and the dynamic wireless power transmission system; the static wireless power transmission system is used for supplying power to the SDDS type dynamic and static compatible receiving end; and the dynamic wireless power transmission system is used for supplying power to the SDDS type dynamic and static compatible receiving end. The invention belongs to the technical field of wireless power transmission.