2981 results about "Magnetic components" patented technology

A self-docking faucet is provided. The faucet comprises a body and an arm extending from the body. A hose extends from the body and is fluidly coupled to an adapter, which is fluidly coupled to a sprayhead. The arm comprises a first magnetic component and the adapter comprises a second magnetic component. The first and second magnetic components exert an attractive magnetic force on one another to cause the adapter—and, therefore, the sprayhead—to be pulled toward and docked to a docking portion of the arm.

The invention discloses a method for constructing a magnetic core loss model of a magnetic element based on deep learning, and aims to solve the problem that an existing loss model is insufficient in prediction precision under complex working conditions. A traditional model cannot provide accurate loss evaluation when facing changes of various factors such as temperature, materials, frequency and the like, and magnetic element design and optimization of efficiency of a power converter are limited. Therefore, a high-precision magnetic core loss prediction model is constructed on the basis of a deep learning technology in combination with various key factors such as the temperature, the magnetic core material, the excitation waveform and the working frequency, and the prediction accuracy and universality are remarkably improved. On the basis, a double-target optimization model is further established, an MOEAD algorithm is adopted for solving, and the purposes of minimizing loss and maximizing magnetic energy transmission are achieved by optimizing design variable combinations. The method can be widely applied to the field of magnetic element design and optimization, and theoretical guidance and engineering reference are provided for accurate prediction of magnetic core loss and performance optimization of magnetic elements.

The present invention discloses an integrated circuit chip with a data line, a key and a mechanical keyboard, wherein the integrated circuit chip integrates a magnetic induction integrated circuit and an RGB magic color driving circuit; the integrated circuit chip includes a power pin, a ground pin, a data information input pin and a data information output pin, and the connection between the data information input pin and the data information output pin of a plurality of integrated circuit chips forms a data line and is connected to the MCU; an integrated circuit chip cooperates with a key with a magnetic element to obtain a key information, and according to different communication protocols, the RGB magic color driving circuit and the magnetic induction integrated circuit share the data line, and transmit the RGB color grayscale information and the key information in a time-sharing manner. The present invention cascades all the key information through the data line, saves a lot of wiring space, reduces the design difficulty of the PCB, reduces the number of electronic components by multiples, and provides a variety of different code sending methods and working methods, making its application simpler and more efficient.

A mobile device mounting system includes a device case and a mount. The device case includes: an insert including a rectangular bore and defining a set of undercut sections about the rectangular bore; and a first set of magnetic elements arranged in a first pattern about the rectangular bore. The mount includes: a body; a polygonal boss extending from the body and configured to insert into the rectangular bore; a set of locking jaws arranged on the polygonal boss configured to transiently mate with the set of undercut sections to constrain the polygonal boss within the rectangular bore; and a second set of magnetic elements arranged in a second pattern about the polygonal boss and configured to transiently couple to the first set of magnetic elements to transiently retain the mount against the device case and to drive the set of locking jaws toward the set of undercut sections.

The invention discloses a magnetic core parameter optimization method based on magnetic energy transmission and loss optimization, which relates to the technical field of high-frequency magnetic elements and comprises the following steps: extracting characteristic parameters of a magnetic core, establishing an excitation waveform classification model in combination with the frequency of a working thermometer, and classifying excitation waveforms; based on the excitation waveform classification result, a temperature correction coefficient is introduced into a SteinMazz equation, and a corrected SteinMazz equation is obtained and used for predicting magnetic core losses of different excitation waveforms; analyzing the independent or synergistic effect of the temperature, the excitation waveform and the magnetic core material on the magnetic core loss; constructing a neural network magnetic core loss prediction model by taking the frequency, the waveform, the magnetic flux density peak value, the temperature and the magnetic core material as characteristics, constructing a fitness function by using the maximum transmission magnetic energy and the minimum magnetic core loss, and optimizing the input characteristics by using a genetic algorithm to obtain optimized magnetic core parameters; and excellent fitting precision and generalization ability are obtained in the aspects of excitation waveform classification, stein-Mitz equation correction and magnetic core loss regression.

A breast pump control method is provided. A breast shield is provided with a first cavity. The first cavity is allowed to fit and at least partially accommodate a breast to form a sealed area. A flexible component is provided. The flexible component is provided with a first magnetic component. At least a portion of the flexible component is communicated with the sealed area to form a portion of a wall of the sealed area. A second magnetic component is arranged opposite to the first magnetic component. The first magnetic component is driven by the second magnetic component to move to drive the flexible component to deform, such that a negative pressure is generated in the sealed area to drive the breast to express milk from the breast. A breast pump circuit control system and method are also provided.

A magnetic component assembly for a mobile device provides an improved connection between a mobile device and other mobile accessories. The magnetic component assembly may comprise an array of magnetic attachment elements enclosed in a structure and configured to magnetically align and attach to a corresponding array of magnetic elements disposed in a mobile device, a mobile device accessory, or another assembly component. Additional attachment features and elements disposed in or attachable to the assembly may provide further engagement or attachment options. The assembly may incorporate different combinations of components to adapt the assembly for different use-cases and provide greater utility. Various magnetic component assemblies may be suitable for use with a variety of mobile devices and accessories such as covers, cases, wallets, chargers, mounts, grips, and supports.

The invention discloses a Halbach magnetic assembly assembling method and equipment, the assembling equipment comprises a feeding assembly, a dispensing assembly, an iron piece placing assembly and a pressure maintaining assembly, the feeding assembly conveys jigs to stations of all the assemblies, and the assembling method comprises the steps that an overturning driving device drives an overturning platform to overturn to be inclined, and the overturning platform is driven by an overturning driving device to rotate; the top face and the front face of the magnetic assembly on the dispensing station face upwards in an inclined mode, then the dispensing machine dispenses glue on the top face and the front face of the magnetic assembly, then the iron piece taking and placing mechanism grabs the iron pieces fed by the iron piece feeding disc and places the iron pieces on the magnetic assembly on the iron piece placing station, and transverse plates and vertical plates of the iron pieces are attached to the top face and the front face of the magnetic assembly correspondingly. And then the upper pressure-maintaining push rod and the side pressure-maintaining push rod are simultaneously started to respectively extrude the top surface and the front surface of the magnetic assembly so as to complete pressure maintaining of the magnetic assembly. According to the invention, dispensing, iron piece feeding, pressure maintaining and other work can be automatically completed, the production efficiency is improved, and the labor cost is reduced.

The invention relates to a transfer method of a Micro LED packaging structure and a Micro LED display device, and relates to the technical field of semiconductor display. According to the transfer method of the Micro LED packaging structure, the ratio of the thickness of a packaging layer subjected to planarization processing to the height of a Micro LED unit is set to be larger than 10, then four symmetrically-distributed concave cavities are formed in the packaging layer of each Micro LED packaging array, the ratio of the depth of the concave cavities to the thickness of the packaging layer is 0.3-0.5, and the ratio of the depth of the concave cavities to the thickness of the packaging layer is 0.3-0.5. The distance between every two adjacent concave cavities is 800-3000 microns, through the process steps, the large-size magnetic component can be formed, the preparation process of the magnetic component is simplified, and the magnetic attraction force of the magnetic component can be improved.

Disclosed is a magnetic closing device used with outdoor / patio umbrellas. The magnetic closing device is used for automatically closing the umbrella in windy conditions. The magnetic closing device includes two primary components: a magnetic component, or pole clamp collar; and a metallic component, or runner clamp collar. The runner clamp collar is attached to the runner hub of the umbrella, and the pole clamp collar is attachable to the intermediate pole section of the umbrella. The pole clamp collar, incorporates a plurality of magnets, which attract the runner clamp collar. The magnetic closing device keeps the umbrella in an open position as long as the magnetic connection between the magnetic component and the metallic component is maintained. The disruption of the magnetic connection results in closure of the umbrella, thereby protecting the umbrella from damage or complete destruction.

A magnetic component and a switch power supply device are disclosed. The magnetic component includes a magnetic core and at least three windings, the magnetic core including at least three winding columns, at least one side columns, a first cover plate and a second cover plate opposite to each other, wherein the at least three winding columns are sequentially arranged in adjacent, the first cover plate and the second cover plate are respectively at upper parts or lower parts of the at least three winding columns and the at least one side column to form a closed magnetic flux loop; the at least three windings are wound on the at least three winding columns, respectively; wherein magnetic flux direction of the middle winding column in adjacent three winding columns is opposite to magnetic fluxes direction of the other two winding columns in adjacent three winding columns.

The invention relates to a magnetic core loss prediction method and device for a magnetic element, and the method comprises the steps: obtaining historical data sets of different magnetic core materials, thereby considering the influence of the temperature on the magnetic core loss, carrying out the temperature correction of a preset SteinMazz equation according to the historical data sets, obtaining a target SteinMazz equation, and carrying out the prediction of the magnetic core loss of the magnetic element. Therefore, loss prediction can be carried out on the magnetic core material in the historical data set through the target Steinmaz equation, and an updated data set of the prediction value of the temperature factor is obtained. Furthermore, the influence of the magnetic flux density data and the frequency on the magnetic core loss can be considered, the updated data set is merged according to the magnetic core material, the magnetic flux density data and the frequency, a merged data set is obtained, and then the preset prediction model can be trained through the merged data set. The training of the preset prediction model on the magnetic flux density data and frequency is added, so that the predicted magnetic core loss of the target prediction model on the magnetic element better conforms to the actual situation.

The invention provides a reconfigurable series-parallel connection network type converter with high overcurrent capacity and a construction method, and belongs to the technical field of power electronic directional power converters. Comprising the following steps of: respectively connecting two corresponding ports of two asymmetric half-bridge modules, symmetric half-bridge modules or H-bridge modules through two bridge type bidirectional switches or reverse series bidirectional switches, and connecting a group of two non-corresponding ports of the modules through a third bridge type bidirectional switch or reverse series bidirectional switch; according to the converter example, two corresponding ports of two H-bridge modules are connected through two bridge type bidirectional switches respectively, and a group of two non-corresponding ports of the two H-bridge modules are connected through a third bridge type bidirectional switch; on the basis that the number of modules is not increased, the overcurrent capacity of the grid-forming type converter is remarkably improved, and the saturation problem of magnetic elements such as a power semiconductor device and a filter inductor is avoided; the system is modularized, simple in structure, malleable and easy to standardize.

The invention discloses a dual active bridge converter and a DC bias suppression method thereof, and belongs to the technical field of power electronic converters, and the method comprises the steps: carrying out the bilateral single-phase shift modulation according to a distribution coefficient p when the dual active bridge converter operates in a steady state; establishing an inductive current function model of the dual-active bridge converter considering the high-frequency link resistance; when a phase shift angle between the primary side and the secondary side of the dual-active bridge converter changes, according to circuit parameters of the dual-active bridge converter, an inductive current function model and a phase shift ratio before and after the change, a transient phase shift ratio is calculated and allocated to the primary side and the secondary side for bilateral single phase shift modulation. By introducing the transient phase shift ratio and the distribution coefficient and combining a bilateral phase shift control mode, transient direct current bias generated by transient inductive current and converter magnetic flux can be eliminated, excessive design of a magnetic element is avoided, and the ratio of any high-frequency link resistance value to a shift term can reach a stable state within a switching period.

Ladders, ladder components and related methods are provided. In some embodiments, adjustable stepladders are provided which include locking mechanisms that enable height adjustment of the ladder through application of a force towards the rails of the ladder. In other embodiments, spreader mechanisms are provided with cross bracing located and configured to provide additional stability to the ladder while also incorporating a handle that enables efficient collapsing of the ladder while reducing the potential of pinching ones hands or fingers. In another embodiment, a device is provided for selective coupling with the ladder that includes a support or safety rail and an adjustable tray. The device may be coupled with the ladder in a number of different positions including a stowed position. In another embodiment, a hinge assembly is provided having a magnetic component configured to be magnetically coupled with and temporarily store an object on the ladder.

A magnetic fragrance card configured to be mounted on an electronic device includes a card body, a magnetic element, an embedded element, and a fragrance element. The card body has a first surface and a second surface, a mounting groove, and a through hole, the mounting groove formed on the first surface, and the through hole penetrating the first surface and the second surface. The magnetic element is mounted in the mounting groove; the embedded element, having an accommodation space, is mounted in the through hole, and an opening end of the accommodation space is at the same side of the second surface; the fragrance element is mounted in the accommodation space; wherein the first surface of the card body is magnetically attached to the electronic device via the magnetic element.

The invention discloses a bipolar magnetic induction integrated circuit and a switch, the bipolar magnetic induction integrated circuit corresponds to a key switch, and each key switch comprises a switch body and a magnetic element; the switch body comprises a component capable of moving up and down, the bipolar magnetic induction integrated circuit is arranged on the surface of the PCB, and the magnetic induction direction of the bipolar magnetic induction integrated circuit is a vertical direction; the magnetic element is positioned above the bipolar magnetic induction integrated circuit and is arranged on the part capable of moving up and down, and the NS pole direction of the magnetic element is a vertical direction or a horizontal direction; the magnetic element moves up and down perpendicular to the magnetic induction horizontal plane of the bipolar magnetic induction integrated circuit. The bipolar magnetic induction integrated circuit is higher in anti-jamming capability, more suitable for dynamic control and high in function integration level, the bipolar Hall chip integrates a latch function (such as a latch type Hall), the state can be kept until the magnetic field is reverse, and the bipolar magnetic induction integrated circuit is suitable for accurate position memory.

The present application relates to the technical field of bendable circuit boards and provides a magnetic assembly and assembly method thereof, a linear motor, a camera, and an electronic device, capable of resolving the problems of low connection reliability between two repelling magnets in magnetic assemblies and low assembly efficiency of magnetic assemblies in related technologies. The magnetic assembly includes a magnet unit, which includes multiple magnets, wherein two adjacent and repelling magnets are welded together. The present application can be used in electronic devices such as mobile phones.

The invention provides a magnetic integration optimization design method for an LLC resonant converter, and belongs to the technical field of power electronics. The integrated magnetic core structure comprises a magnetic core base with four winding magnetic columns and a top cover plate, and the magnetic integration method reduces the number and the size of magnetic elements and reduces the height of the magnetic elements. According to the magnetic core structure, the magnetic flux density is uniformly distributed, the magnetic core loss of the transformer is reduced, and the power density and efficiency of the transformer are improved. Primary side windings of the transformer are unevenly distributed on the four winding magnetic columns, secondary side windings of the transformer are evenly distributed on the winding magnetic columns, and leakage inductance is only generated on the primary side of the transformer due to the fact that the primary side windings of the transformer are unevenly distributed and the secondary side windings of the transformer are evenly distributed. Therefore, the generated leakage inductance is used as the resonant inductance of the LLC resonant converter, and integration of the transformer and the resonant inductance of the LLC resonant converter is realized. The magnetic integrated transformer with different transformation ratios and controllable leakage inductance can be realized by adjusting the number of turns of windings on the primary side and the secondary side of the transformer and air gaps of winding magnetic columns.

A system includes: a segmented stator assembly; a set of windings; and a rotor. The segmented stator assembly includes a set of pole pieces arranged radially about an axis. Each pole piece defines: a rim extending about a periphery of the pole piece; a recess arranged on a first side of the pole piece; and a shoulder arranged on a second side, opposite the first side, of the pole piece. Each pair of adjacent pole pieces, in the segmented stator assembly, defines a pair of linearly-offset and angularly-offset rims that cooperate to define a tapered annular interstice in a radial array of tapered annular interstices. Each winding is arranged about a tapered annular interstice in the radial array of tapered annular interstices. The rotor: encompasses the segmented stator assembly; and includes magnetic elements configured to magnetically couple to the set of windings to rotate the rotor about the axis.

The present invention provides a magnetic suction storage device that is adsorbed on a mobile device. A first through hole and a second through hole are drilled through one side of a first housing of the magnetic storage device, and a first magnetic element is disposed on the inside of the first housing, a base plate of a storage module is disposed above one of the first magnetic components, and a storage element, a first control element and a second control element are disposed above the base plate. An outer edge of the substrate is provided with a first connection port and a second connection port, and an outer edge of a second shell is connected to an outer edge of the first shell, so that the second shell and the first shell The body covers the first magnetic component and the storage module.

A mechanical keyboard is provided, which includes a plurality of mechanical keys, a circuit board, a plurality of first magnetic elements, a lower casing and a plurality of second magnetic elements. The mechanical keyboard has a key region and an edge region surrounding the key region. The mechanical keys are located in the key region. The circuit board is disposed beneath the mechanical keys. The first magnetic elements are disposed beneath the circuit board and distributed in the key region. The lower casing is disposed beneath the mechanical keys, the circuit board and the first magnetic elements. The second magnetic elements are disposed over the lower casing, in which the second magnetic elements respectively correspond to the first magnetic elements and respectively repel the first magnetic elements.

The invention provides a wind power tower drum defect detection surface wave sensor and a detection method thereof. The sensor comprises a shell, a magnetic attraction part and a transmitting and receiving integrated signal part. The magnetic attraction component adopts a U-shaped structure and is formed by connecting two ends of a strip-shaped magnet with a magnetizer respectively; and the receiving and transmitting integrated signal component is positioned at the opening end of the U-shaped structure of the magnetic component. The sensor is adsorbed on the surface of the outer wall of a tower drum, meanwhile, a near surface layer of the outer wall of the tower drum presents a strong bias magnetic field, radio frequency pulse current is introduced into a transmitting and receiving integrated signal component, a high-frequency dynamic magnetic field is induced on the near surface, surface waves in any direction are excited and received under the action of the two fields, and echo signals of the surface waves are analyzed. And judging whether the outer wall of the tower drum has defects. The sensor disclosed by the invention is small in size and capable of meeting mobile scanning, the propagation distance of the excited surface wave is long, the recognition precision is high, the working difficulty of tower drum defect detection is reduced, circumferential and axial defect detection is realized, and the detection efficiency is improved.

The invention relates to the technical field of filtering devices, and particularly discloses a refined sulfuric acid filtering device which comprises a tank body, a plurality of vertical filter elements, a backwashing mechanism and a slag removal ring, the backwashing mechanism comprises a piston, a push rod and a driving assembly, a first magnetic component is embedded in the piston, and the piston can move downwards in the filter element, so that the pressure of filtrate is increased, and backwashing is realized; each filter element is sleeved with the slag removal ring, a second magnetic component is embedded in the slag removal ring, and the slag removal ring is driven by the piston to remove filter residues on the outer wall of the filter element. According to the refined sulfuric acid filtering device, filter residues on the outer wall of the filter element can be removed, the filter element can be backwashed, the cleaning treatment effect is good, the filtering efficiency of the filter element can be guaranteed, and the working life is remarkably prolonged; the whole equipment is based on automatic design, the cleaning treatment work is fast and efficient, online operation is achieved, and the production process cannot be remarkably affected; the filtering device is simple in structure, easy to implement, less in energy consumption during backwashing, low in operation cost, energy-saving and environment-friendly.

A container for organized storage and selective accessibility of items, such as medications. The container includes a base with a base plate and a central base hub, supporting the plurality of pill cases, each with a truncated sector shape and partitioned into two compartments accessible from opposing ends. The container incorporates a magnetic coupling system, comprising a plurality of primary magnetic elements on the base hub and a plurality of secondary magnetic elements on the pill cases, thereby enabling each pill case to attach to the base in one of two orientations, providing access to either compartment.

A self-aligning window mounted communication apparatus is discussed herein. In some examples, a wireless gateway may comprise a first unit to be mounted outside a window and a second unit to be mounted inside the window. A first unit and a second unit may each include an optical unit, a coupling unit, and a housing unit. A first optical unit may include a magnetic array with polarities of the magnetic elements configured to orient with a second optical unit in a single orientation. The optical unit(s) may be movably coupled with the respective coupling unit(s) so that the optical unit may move with various degrees of freedom and thus, when the first and second units are mounted on a window, the optical units can self-align based on the respective magnetic arrays and the degrees of freedom afforded by the movable coupling with the coupling unit.

The utility model relates to full-automatic magnetic assembly assembling equipment which comprises a machine frame, the machine frame is provided with a rotating disc, a first driving piece driving the rotating disc to rotate, a wiring board feeding station, a static contact feeding station, a coil feeding station, a welding station and a discharging station, and the wiring board feeding station, the static contact feeding station, the coil feeding station, the welding station and the discharging station are located on the periphery of the rotating disc. The welding clamp is provided with a coil containing groove, a wiring board containing groove and a static contact containing groove, and the wiring board feeding station is provided with a wiring board feeding channel and a wiring board clamping piece used for clamping a wiring board into the wiring board containing groove. The static contact feeding station is provided with a static contact feeding channel and a static contact clamping piece used for clamping a static contact into the static contact containing groove, and the coil feeding station is provided with a coil feeding channel and a coil clamping piece used for clamping a coil into the coil containing groove. By the adoption of the technical scheme, the full-automatic assembling equipment for the magnetic assembly is high in machining efficiency, good in welding effect and even in welding spot.

The invention relates to a magnetic saturation evaluation method and system for a magnetic component in a strong magnetic field environment, and the method comprises the steps: constructing a target component model of a to-be-tested magnetic component according to a target geometric parameter and a target material parameter, and respectively setting excitation and boundary conditions of the target component model according to the target working current parameter and the target working environment magnetic field parameter, and performing simulation. The method comprises the following steps: acquiring simulated BH data of a target position in a target component model and corresponding simulated working environment magnetic induction intensity, and determining that the target component model reaches a magnetic saturation state according to the simulated BH data of the target position; and taking the corresponding simulated working environment magnetic induction intensity as a simulated saturated external magnetic field threshold value of the to-be-tested magnetic component. According to the embodiment of the invention, analog simulation of the saturation external magnetic field threshold of the to-be-tested magnetic component in the magnetic field environment is realized, and important support can be provided for model selection application and design optimization of the magnetic component in the high-intensity magnetic field environment.

The invention discloses a workpiece assembly combination device, an assembly production line and an assembly method, the workpiece assembly combination device comprises a dispensing device, a mounting device and a curing device, the dispensing device is used for dispensing a first workpiece, the mounting device is used for mounting a second workpiece on the first workpiece, and the curing device is used for curing the mounted workpiece. According to the invention, the positions of the dispensing device, the mounting device and the curing device are sequentially arranged according to the mounting characteristics of the magnetic component and the conductive element, each device is an independent device work station, and then each independent device is integrated into a combined device, so that the full-automatic process from feeding to dispensing to mounting to curing is realized, and the production efficiency is improved. The device is suitable for a large-scale production environment, improves the assembly efficiency and precision, reduces the production cost, improves the product quality, guarantees the consistency and stability of each pasting operation, and avoids errors and fluctuations which may occur in manual operation.