292results about "Fixed transformers or mutual inductances" patented technology

The invention relates to the technical field of transformers and discloses a high-frequency small planar transformer which comprises a transformer body, the transformer body comprises a lower magnetic core, an upper magnetic core is installed at the top end of the lower magnetic core, and a base plate, a cooling mechanism and a distance adjusting mechanism are arranged on the inner side of the upper magnetic core and the inner side of the lower magnetic core correspondingly. The cooling mechanism is arranged on the transformer body, more excellent heat dissipation and installation functions are achieved, a movable frame and a pull block are driven to move through reset of a first spring, an insertion block is clamped into a positioning groove to form an inverted-L-shaped layout, an upper magnetic core is transversely and longitudinally limited, and the upper magnetic core can be conveniently and rapidly installed. And meanwhile, the substrate is in contact with the cavity network, the internal high-performance fluorinated liquid absorbs heat and is changed from a liquid state to a gas state, enters the condenser through the conveying pipe after phase change, is cooled by the cooling fins to be in a liquid state and then circulates back to the cavity network through the water pump and the conveying pipe, local overheating is avoided, and the heat dissipation efficiency is improved.

The invention relates to the technical field of transformers, in particular to a transformer with a high-frequency magnetic material. Comprising a transformer body, a lower base and an upper base, a cooling fan is arranged on the upper base on one side of the transformer body, a liquid cooling system is arranged on the transformer body, and a trigger mechanism is arranged at the top of the transformer body and used for controlling starting and stopping of the cooling fan and the liquid cooling system according to temperature changes in the transformer body. Under the action of the bent end and the first wedge block, the bent end slides along the inclined plane of the first wedge block, the air inducing plates on the two sides rotate clockwise and anticlockwise respectively and overcome the elastic potential energy of the reset spring, and as the rotation amplitude of the air inducing plates is increased, the distance between the air flow channels between the air inducing plates and the transformer body is reduced, and the air flow is discharged. And airflow flowing through the airflow channel can quickly pass through the airflow channel, so that more heat on the leeside can be taken away by utilizing the pressure difference, and heat dissipation on the leeside of the transformer body is facilitated.

A packaged integrated circuit (IC) (300) including a package substrate (110). The package substrate includes pins (321); a first metal layer (323) on the pins; a second metal layer (325) on the first metal layer; vias (322, 324, 326) on the second metal layer; an insulation material (308a, 308b) covering the pins, the first metal layer, the second metal layer, and the vias, and exposing surfaces of the pins and the vias. The packaged IC further includes a semiconductor die (101) on the package substrate, the semiconductor die having a surface (301) opposing the second metal layer; metal posts (305a, 305b) coupled between the semiconductor die and the exposed surfaces of the vias (326); and a mold compound (304, 304a) covering the semiconductor die and the metal posts, in which the surface is separated from the second metal layer (325) by the insulation material (308a) and the mold compound (304a).

A voltage regulator having a multiple of main stages and at least one accelerated voltage regulator (AVR) bridge is provided. The main stages may respond to low frequency current transients and provide DC output voltage regulation. The AVR bridges are switched much faster than the main stages and respond to high frequency current transients without regulating the DC output voltage. The AVR bridge frequency response range can overlap with the main stage frequency response range, and the lowest frequency to which the AVR bridges respond may be set lower than the highest frequency to which the main stages respond.

To provide a coil component in which the leak of a magnetic flex is suppressed.SOLUTION: A coil component A2 includes a coil 3 that generates a magnetic field by input current from the outside. The coil 3 includes a plurality of first circulation parts 31 and a plurality of second circulation parts 32 each having a rectangular annular shape when viewed in a first direction (circumferential direction t). The first circulation parts 31 are arranged in the circumferential direction t and form a first cylindrical part 5A. The second circulation parts 32 are arranged in the circumferential direction t and form a second cylindrical part 5B. The second cylindrical part 5B exists inside the first cylindrical part 5A when viewed in the circumferential direction t. Each of the cylindrical part 5A and the second cylindrical part 5B has an annular shape when viewed in a thickness direction (axial direction s) that is orthogonal to the circumferential direction t. The direction of the input current flowing in each of the first circulation parts 31 and the direction of the input current flowing in each of the second circulation parts 32 are the same.SELECTED DRAWING: Figure 23

The utility model discloses an integrated magnetic element and a switching power supply, the integrated magnetic element comprises a first circuit board, a second circuit board and a magnet, and the first circuit board comprises a primary winding circuit and a secondary winding circuit; the second circuit board comprises a PFC circuit, and the second circuit board and the first circuit board are arranged side by side; the magnet comprises a first cavity used for containing the first circuit board and a second cavity used for containing the second circuit board, the magnet further comprises a partition wall, and the partition wall is arranged between the first cavity and the second cavity so as to separate the first cavity from the second cavity. According to the invention, the transformer and the PFC inductor are integrated into one planar magnetic element, and the size of the magnetic element is reduced, so that the internal structure of the switching power supply is more compact, and the power density is improved.

An electrical assembly includes a first substrate, a second substrate, and a magnetic device disposed between the first substrate and the second substrate. The magnetic device includes (1) a magnetic core, (2) a first primary winding extending through the magnetic core and electrically coupling the first substrate to the second substrate, (3) a second primary winding extending through the magnetic core and electrically coupling the first substrate to the second substrate, (4) a first secondary winding wound around at least a portion of the magnetic core, and (5) a second secondary winding wound around at least a portion of the magnetic core. The electrical assembly further includes one or more electrical conductors on the first substrate electrically coupling the first secondary winding in series with the second secondary winding.

The present disclosure relates to semiconductor device packages and methods of manufacturing the same. The semiconductor device package includes a substrate having a first surface and a second surface opposite the first surface. The semiconductor device package also includes a first electrically conductive layer disposed over the first surface of the substrate and an insulating layer disposed over the first surface of the substrate. The semiconductor device package also includes a magnetically conductive layer disposed between the first electrically conductive layer and the insulating layer. The magnetically conductive layer has a bottom surface facing the first surface of the substrate, a top surface opposite the first surface of the substrate, and a side surface extending between the bottom surface of the magnetically conductive layer and the top surface of the magnetically conductive layer. Another embodiment of the present disclosure relates to a method of manufacturing a semiconductor device package.

The utility model discloses a transformer shell structure and a transformer, and relates to the field of transformer heat dissipation. The device comprises a transformer shell structure, the transformer shell structure comprises a fixed heat dissipation side shell, side through grooves, heat dissipation inclined plates and heat dissipation side plates are arranged in the fixed heat dissipation side shell, telescopic side through grooves are formed in the two sides of the fixed heat dissipation side shell, and the heat dissipation inclined plates are fixedly connected into the side through grooves and fixed in an inclined array mode. The heat dissipation side plates are fixedly connected to the two sides of the fixed heat dissipation side shell and used for conducting heat dissipation on the interior of the fixed heat dissipation side shell, and the heat dissipation side plates are fixedly connected to the other two sides of the fixed heat dissipation side shell, fixed in an array mode and used for dissipating heat accumulated in the fixed heat dissipation side shell out of each set of heat dissipation side plates. According to the device, the heat dissipation inclined plates and the heat dissipation side plates are arranged, so that heat in the iron core can be transmitted to the heat dissipation inclined plates and the heat dissipation side plates through the transformer shell for heat dissipation, the internal heat cannot be gathered, the service life of the transformer is prolonged, and damage to the transformer is reduced.

The present invention relates to a laminated common mode filter which not only enables a coil pattern forming a channel to have uniform resistance and inductance, but also exhibits broadband characteristics. The laminated common mode filter includes a first capacitor layer and a second capacitor layer, respectively, on a top and a bottom of an electrode stack to overlap a plurality of coil patterns and form an additional capacitance, the electrode stack including an upper electrode layer and a lower electrode layer stacked, each electrode layer being a stack provided with a plurality of coil patterns.

The application discloses a planar transformer and a processing equipment thereof, and relates to the technical field of assembling equipment. The planar transformer and the processing equipment thereof comprise a feeding mechanism and a stacking mechanism. The feeding mechanism is connected with the stacking mechanism and is used for transmitting three parts of the planar transformer to the stacking mechanism respectively. The three parts are stacked and bonded by the stacking mechanism. The bottom of the feeding mechanism and the bottom of the stacking mechanism are both arranged to be inclined to facilitate the sliding of the parts. The three sheet-shaped parts of the planar transformer are positioned and stacked and bonded in a folding mode. The assembling precision is ensured, and a mechanical arm and other precise and high-cost equipment and a high-precision control system are not needed, so that the cost is greatly reduced, the same effect can be achieved, the air supply assembly can simultaneously utilize the air suction and air outlet functions, the parts can be sucked to avoid falling during the turning, and the parts can be blown out after the stacking, so that the operation is simple and convenient.

Provided are a coil and a coil component capable of reducing manufacturing costs. 【Solution means】The coil 10 includes parts 22, 24, 32, 34, 36 formed by sandwiching a copper foil L2 between a film-like base material L1 made of a polyimide resin and a coverlay film L4, and connectors 22B, 24B, 32A, 32B, 34A, 34B, 36A, 36B attached to the parts 22, 24, 32, 34, 36. The parts 22, 24, 32, 34, 36 are configured such that the parts 22, 24, 32, 34, 36 are not in close contact with each other by being connected via the connectors 22B, 24B, 32A, 32B, 34A, 34B, 36A, 36B.

The invention relates to a composite pane (1) for a motor vehicle, comprising an outer pane (2), an inner pane (3), a connecting layer (5), and photovoltaic cells (7), the photovoltaic cells (7) being embedded in the connecting layer (5). The connecting layer (5) is provided between the outer pane (2) and the inner pane (3), the composite pane (1) comprises a reflective film (6) which is formed between the inner pane (3) and the connecting layer (5), the reflective film (6) is designed to reflect infrared radiation which passes through the connecting layer (5) and is incident on the reflective film (6), and the region between the reflective film (6) and the inner pane (3) is free of electro-functional elements.

The application discloses a radio frequency power amplifier, which comprises a first power amplifier circuit, a second power amplifier circuit and a voltage synthesis network, wherein the voltage synthesis network comprises a first transformer, a second transformer and a first capacitor unit; the first transformer comprises a first winding and a second winding; the second transformer comprises a third winding and a fourth winding; the first power amplifier circuit is connected with the first winding; the second power amplifier circuit is connected with the third winding; a first end of the second winding is connected to a signal output end; a second end of the second winding is connected with a first end of the fourth winding; and a second end of the fourth winding is connected to a grounding end; wherein the first capacitor unit is connected in parallel with at least part of the coils of the second winding; thus, the problem of excessive loss caused by poor balance of the radio frequency power amplifier can be solved.

A traveling-wave parametric amplifier (TWPA) transmission line having an improved bandwidth includes one or more unit cells. Each unit cell includes a capacitor and a Josephson junction connected in series and leading to ground, configured to provide inductance and non-linearity. One or more distributed resonators are coupled to the transmission line. The distributed resonators are configured to (i) use a first harmonic mode of the resonator for resonance phase matching in the transmission line and (ii) prevent the second mode of the resonator from interacting with the intermodulation product of the transmission line.

The technology relates to the field of superconductor transformer-rectifier flux pumps and controlling a supply of alternating current to a transformer-rectifier flux pump to charge a load. A response of the transformer-rectifier flux pump to a characterisation current supply is determined, which may comprise determining values in the flux pump corresponding to values of the applied current. For each of a plurality of target values of load current to be supplied to the load, values of the current supply are calculated. The supply of current to the flux pump is controlled accordingly. The supply may be modified based on feedback received from the flux pump, for example sensors measuring values on the secondary side of the transformer.

The application belongs to the technical field of transformers, and particularly relates to a detachable electronic transformer. In view of the problem that the existing electronic transformer cannot be quickly disassembled and installed, the following scheme is proposed, which comprises a box body, a plurality of circumferentially equidistantly distributed cooling fins are fixedly connected to the outer portion of the box body, a cover plate is arranged on the upper side of the box body, a foot pad is fixedly connected to the inner wall of the bottom of the box body, a transformer body is arranged on the upper side of the foot pad, a dismounting module is arranged on the box body, an auxiliary cooling module is arranged on the outer portion of the transformer body, and the auxiliary cooling module is arranged on the box body. The detachable electronic transformer disclosed by the application can convert the integral electronic transformer into a detachable type, thereby greatly reducing the dismounting and installation difficulty of the transformer, making the electronic transformer more convenient to transfer and transport, improving the flexibility of part replacement during repair, and reducing the cost.

The invention relates to a system (100) for supplying electric power to an electric motor (82) of a hybrid electric vehicle, the power supply system (100) comprising a hydrogen fuel cell unit (26), a hydrogen tank (160) capable of supplying the hydrogen fuel cell unit (26), and a voltage booster (740) at an output of the hydrogen fuel cell unit (26), the voltage booster (740) comprising an induction coil (741), the hydrogen tank (160) is a low-temperature tank capable of maintaining hydrogen in a liquid state and having a temperature lower than the liquefaction temperature of the hydrogen, and the induction coil (741) is immersed in the hydrogen tank (160) and is formed of a material that is a superconductor at the temperature of the liquid hydrogen in the hydrogen tank (160).

A signal transmission element includes a first insulating layer on a semiconductor substrate, first and second coils thereon, a second insulating layer covering the first and second coils, third and fourth coils thereon, and a protective film covering the third and fourth coils. The first and third coils are magnetically coupled, the second and fourth coils are magnetically coupled, the first and second coils are connected to each other such that a current generated by mutual induction between the first coil and the third coil flows through the second coil, and the protective film includes a plurality of openings reaching two ends of the third coil and two ends of the fourth coil.

To provide a power supply superimposed communication device capable of suppressing an increase in mode conversion loss due to variations in electrical characteristics.SOLUTION: A power supply superimposed communication device 1-1 includes differential wiring 5-1 with signal wiring 6-1 and 7-1 connected to differential signal wiring 8, a power supply element 30-1 for supplying first applied voltage and second applied voltage to the signal wiring 6-1 and 7-1, a high frequency cut filter 11-1 connected to the wiring 6-1, a high frequency cut filter 11-12 connected to the wiring 7-1, and coils 12-1 and 12-2. The coil 12-1 is connected to the cut filter 11-1, the coil 12-2 is connected to the cut filter 11-2, and the coils 12-1 and 12-2 are reversely wound and have an inductor 10-1 that is magnetically coupling, and a power supply is superimposed on the differential signal wiring 8. An inductance value L1 of the cut filter 11-1 and an inductance value of L3 of the coil 12-1 are L1<1.5×L3, and an inductance values L2 of the cut filter 11-2 and an inductance value L4 of the coil 12-2 are L2<1.5×L4.SELECTED DRAWING: Figure 1

The utility model discloses a nanocrystalline transformer for a high-frequency welding machine, which relates to the field of nanocrystalline transformers and comprises a plurality of magnetic cores, primary windings and secondary windings are wound on the outer sides of the magnetic cores, clamping grooves are formed in the front sides of the magnetic cores, two groups of limiting plates are arranged on the front sides of the clamping grooves, each group of limiting plates comprises two limiting plates, and the limiting plates are arranged in the clamping grooves. The rear side of the magnetic core is connected with an arc-shaped connecting strip, the other side of the arc-shaped connecting strip is connected with a clamping plate, the clamping plate corresponds to the limiting plate, and a pressing assembly is arranged on the outer side of the magnetic core. The clamping plate on one magnetic core is clamped into the clamping groove in the other magnetic core, one magnetic core is rotated, the magnetic core drives the arc-shaped connecting strip to rotate, the arc-shaped connecting strip drives the clamping plate to rotate, the two clamping plates are clamped into the two sets of limiting plates, and the limiting plates are used for limiting the positions of the clamping plates; therefore, the two magnetic cores are connected with each other, and the connection stability of the two adjacent magnetic cores is improved.

The utility model discloses an integrated 60KW three-phase high-frequency transformer for a charger, which comprises two groups of transformer banks connected in series and a shell, each transformer bank comprises three single transformers, each single transformer comprises a magnetic core, a framework, a primary winding, a secondary winding and a wiring terminal, the primary winding and the secondary winding are wound on the framework, and the primary winding and the secondary winding are wound on the framework. The primary winding and the secondary winding are arranged on the framework, the magnetic cores are arranged from the two ends of the framework and are aligned, the wire starting end of the primary winding and the wire starting end of the secondary winding are both provided with wiring terminals, and the take-up end of the adjacent primary winding and the take-up end of the adjacent secondary winding are in short-circuit connection. The transformer is of a combined structure and is distributed in a flat mode, the height problem of a product is well solved, leakage inductance of a single transformer is used for replacing a resonant inductor, and the cost of a device is reduced.

The present application relates to the technical fields of energy regeneration shock absorber, especially electric vehicle energy regeneration shock absorber, including composite transformer cylindrical linear permanent magnet generator, the composite transformer cylindrical linear permanent magnet generator is composed of cylindrical magnetic field modulation linear permanent magnet generator and cylindrical orthogonal decoupling magnetic integrated structure high-frequency transformer, the cylindrical magnetic field modulation linear permanent magnet generator and the cylindrical orthogonal decoupling magnetic integrated structure high-frequency transformer share cylindrical core.In the present application, the primary winding and the secondary winding of the high-frequency transformer adopt a wrapping structure to realize reliable decoupling integration.While improving the power density of the magnetic component, two orthogonal magnetic fluxes are formed, the excitation magnetic flux of the high-frequency transformer is decoupled from the integrated inductance magnetic flux, and the increase of the core loss caused by the overlapping of the magnetic fluxes is avoided.

The present invention discloses a connector, a magnetic substrate and an electronic device. The connector includes: a conductive pin, one end of which is connected to a transfer board and the other end is used for connecting to an external circuit; a transfer board for electrically connecting the conductive pin and the magnetic substrate; the magnetic substrate includes a substrate, a magnetic core and a magnetic ring around a coil; at least two adjacent sides of the substrate are provided with connection terminals, one end of which is connected to the magnetic ring around the coil and the other end is connected to the transfer board, so that the circuit design on the transfer board is simple, reducing the interference between traces and improving the overall electrical performance of the device.

To reduce noise superimposed on an output voltage.SOLUTION: According to an embodiment of the present invention, a high-voltage power supply device comprises: a voltage generation unit that outputs a DC high-voltage; a switch unit that outputs an output voltage generated by the voltage generation unit to a voltage output end during conduction and uses a semiconductor switching element; a driving unit that drives a control terminal of a semiconductor switching element in the switch unit; and a control unit that controls conduction and non-conduction of the switch unit via the driving unit. The driving unit includes a primary winding (502a) and a secondary winding (502b). The driving unit includes: a high-frequency transformer (502) in which distribution, in an extension direction of the primary winding, of a floating capacity per number of unit turns of the primary winding between the primary winding and the secondary winding is symmetric to a midpoint of the primary winding; a rectification unit (505) that rectifiers an AC current energized by the secondary winding of the high-frequency transformer; and a high-frequency excitation unit (501) of balanced output type that differentially excites the primary winding of the high-frequency transformer.SELECTED DRAWING: Figure 2

Provided are a signal transmission circuit control system, an I / O module provided with the same, a control method, and a control program which each reduce noise radiated to the outside due to leakage magnetic flux generated from a pattern transformer. A control system (1) for a signal transmission circuit (100) comprises a multilayer substrate which includes a plurality of layers and a plurality of pattern transformers (10) which are provided to the multilayer substrate, and controls the signal transmission circuit for transmitting an insulation signal. The control system further comprises a control unit (5) that, on the basis of a combination of pattern transformers to be operated or at least one pulse signal of a first pattern transformer, which is one of pattern transformers to be operated, controls pulse signals of the pattern transformers to be operated.

The application discloses an on-chip transformer and a manufacturing method thereof. The manufacturing method comprises the following steps: providing a substrate, the surface of the substrate is provided with an isolation layer; preparing a primary coil assembly on the isolation layer, the primary coil assembly comprises a primary coil and a first lead coil which are electrically contacted, and a first dielectric layer which is located between the primary coil and the first lead coil; preparing a secondary coil assembly on the primary coil assembly, the secondary coil assembly comprises a secondary coil and a second lead coil which are electrically contacted, and a third dielectric layer which is located between the secondary coil and the second lead coil. According to the scheme, the coil and the dielectric layer which are alternately stacked in sequence can be formed on the same substrate through a deposition process, four layers of coils and three layers of dielectric layers can constitute the same on-chip transformer, the frequency and the efficiency can be improved, the area can be greatly reduced, and the structure is simple and small in size.

An antenna device includes first and second radiating elements, a first coil coupled to the first radiating element or a feeding circuit, a second coil coupled to the second radiating element and coupled to the first coil via an electromagnetic field, and an inductor. The first and second radiating elements are coupled to each other via an electric field. The harmonic resonant frequency of a resonance circuit defined by a transformer defined by the first coil and the second coil, the inductor, and the second radiating element exists within a communication frequency range. The harmonic resonant frequency is a (2n+1)th harmonic frequency, where n is an integer equal to or greater than 1.

The invention discloses an on-chip passive transformer Balun with broadband and low phase noise, and belongs to the field of integrated circuit chip design. The invention comprises two primary coils, two secondary coils and a ground plane. The primary coil and the secondary coil are mutually nested to improve the coupling coefficient. The broadband low-phase noise on-chip passive transformer Balun can be used for occasions where differential-single-ended signal conversion or single-ended-differential signal conversion needs to be completed in integrated circuit design, for example, the broadband low-phase noise on-chip passive transformer Balun can work in the frequency band of 4 GHz-23 GHz, and differential signals with the phase difference of 180 degrees output by a double mixer in an IQ modulator module are converted into single-ended signals. The on-chip transformer balun is large in coupling coefficient and small in energy loss, and therefore low phase noise of signals is guaranteed.

To provide a semiconductor device with a seal conductor capable of improving pressure resistance.SOLUTION: In a semiconductor module, a semiconductor device includes: a semiconductor chip 41 having a principal surface 42; an insulating layer 51 formed on the principal surface; functional devices 45, 60 formed on at least one of the semiconductor chip and the insulating layer; at least one terminal 11, 12 formed on the insulating layer and electrically connected to the functional device; and a seal conductor 61 which partitions, in a plan view, a region including the functional device and at least one terminal from other regions and includes a plurality of seal plug conductors 64, and a plurality of seal via conductors 65 positioned between the semiconductor chip and the seal plug conductors, arranged adjacent to each other in the plan view and each having a width in the plan view smaller than that of the seal plug conductors.SELECTED DRAWING: Figure 8