51results about "Transformers/inductances coils/windings/connections" patented technology

A multi-layer, multi-turn structure for an inductor having a plurality of conductor layers separated by layers of insulator is described. The inductor further comprises a connector electrically connected between the conductor layers. The structure of the inductor may comprise a cavity therewithin. The structure of the inductor constructed such that electrical resistance is reduced therewithin, thus increasing the efficiency of the inductor. The inductor is particularly useful at operating within the radio frequency range and greater.

A magnetic part having a first iron core wound with a winding constituting a transformer and an inductance component of a parallel coil and a second iron core wound with an inductance component of a series coil, in which a ratio of the dimensions of the first iron core and the second iron core are in accordance with their respective winding densities.

A medical apparatus includes a medical assist device to process signals to relating biological functions. A first lead is operatively connected to the medical assist device, the first lead having a distal end and a proximal end. A second lead is operatively connected to the medical assist device, the second lead having a distal end and a proximal end. The first electrode is operatively connected to the distal end of the first lead, and a second electrode is operatively connected to the distal end of the second lead. A filter circuit is operatively connected near the distal end of the first lead and the distal end of the second lead. A compensation circuit, operatively connected to the first lead, provides a compensation voltage to enable the filter to effectively block changing magnetic fields induced current in the second lead from passing through the second electrode of the distal end of the second lead.

An electronic component includes a multilayer body including insulating layers stacked in a stacking direction, first and second linear conductors having different line widths and provided on a respective one of the insulating layers, and third and fourth linear conductors having different line widths and provided on a respective one of the insulating layers. The insulating layer(s) supporting the third and fourth linear conductors is/are at one side in the stacking direction of the insulating layer(s) supporting the first and the second linear conductors. In a planar view from the stacking direction, the first and the fourth linear conductors overlap each other, and the second and the third linear conductors overlap each other. The first, the second, the third and the fourth linear conductors are electrically connected to define a coil.

Improved multi-sectional bobbin designs described herein define a channel suitable to accommodate a portion of the wire that transits from prior winding section to the next, wherein opposing walls of the channel so defined separate the transiting portion of the wire from both prior and next winding sections through a substantial entirety of the wires descent from an upper winding layer in the prior section to a lower winding layer in the next.

The invention relates to a passive audible and visual alarm temperature indicating device used for monitoring the temperature of electrical connectors among power supply unit parts in a power system.The temperature indicating device is composed of an induction power supply, a voltage stabilizing part, a temperature detection part, an audible alarm system and a luminescent display part, and has the advantages of high temperature measurement accuracy, good safety, obvious effect with common action of audible prompt and visual prompt no matter in the day or night, an audible and visual alarm given in the case of overheat occurred on a connecting point of electrical equipment, and no need of independently adding an external power supply, thus guaranteeing long-term use of the device without need of maintenance; and the device further has the advantages of repeated use, long service life and extremely low energy consumption relative to a disposable temperature indicating wax piece. Only anew temperature measuring element is required for replacement even though the accidental temperature of a contact point is suddenly risen to burn down the temperature measuring element; and temperature detection can be realized only by pasting the temperature measuring element to a heating part to be detected, thus the device is convenient in use.

The invention relates to the field of transformers, and provides a continuous dry-type transformer winding with free arrangement in the radial direction and a processing method thereof. The continuousdry-type transformer winding comprises an electromagnetic wire and an insulating inner cylinder, wherein the electromagnetic wire is wound on the insulating inner cylinder, the winding is a structurethat the electromagnetic wire is freely arranged in the radial direction and continuously wound on the whole in the axial direction, and the electromagnetic wire and the insulating inner cylinder areintegrally cast by resin. According to the winding method, the electromagnetic wire is wound from the winding starting end to the other side and is continuously wound on the whole in the axial direction, the electromagnetic wire is freely stacked on a winding die to form the radial height of the winding, and inter-layer insulation or inter-turn insulation is not required to be placed. According to the invention, the production efficiency is greatly improved, and materials are saved; meanwhile, the space occupancy rate of the wire in the winding is increased, the structure is simple, the winding is simple and convenient, the mechanical performance is good, the impact resistance is strong, the axial voltage gradient distribution is uniform, the inter-turn potential difference is small, thepartial discharge capacity is low, and the electrical performance is greatly improved.

A coil module includes a magnetic substance plate, a first coil, and a second coil. The magnetic substance plate includes a first area having a first magnetic permeability and a second area having a second magnetic permeability. The first coil is disposed on a surface of the magnetic substance plate. The second coil is disposed on the surface of the magnetic substance plate and partially overlapping the first coil. A portion of the first coil, not overlapping the second coil, is disposed on a surface of the first area, and a portion of the second coil, not overlapping the first coil, is disposed on a surface of the second area.

The invention relates to a filtering assembly used for a connector and a coil winding method. The filtering assembly used for the connector comprises at least one coil, wherein multiple metal wires are wound on the coil and wire ends are reserved on the coil. Each coil comprises at least one magnetic element, wherein each magnetic element is hollowed to form a bore, two metal wires are wound on the magnetic element, the two metal wires penetrate through the bore of the hollowed magnetic element respectively and are wound on the magnetic element in an annular mode, the beginning ends and the ending ends of the two metal wires are all set as the wire ends, the beginning end wire ends and the ending end wire ends of the two metal wires are located on two sides of the bore of the hollowed magnetic element respectively, a fixed gap is formed between the beginning end wire ends and the ending end wire ends of the two metal wires, and the metal wires on one side of the bore of the hollowed magnetic element are arranged integrally to form a tap. The filtering assembly used for the connector can overcome the restrictions of the prior art and meet requirements for 10 G bit/s high-speed signal transmission.

The invention relates to a clamp-free transformer winding and a binding method thereof. The clamp-free transformer winding comprises a coil with a hollow hole, a pressure plate arranged on the upper portion of the coil and a support plate arranged on the lower portion of the coil. The pressure plate and the support plate are provided with a first upper hole and a first lower hole corresponding to the hollow hole of the coil respectively. The transformer winding further comprises a plurality of binding straps which penetrate through the pressure plate and the support plate to tightly bind the coil, and the binding straps are separately distributed along the circumference of the coil. The clamp-free transformer winding can avoid coil displacement and deformation and is high in short-circuit resistance.

The invention discloses a self-excited push-pull type converter. More than two magnetic cores are combined into a whole to realize magnetic saturation which is same with that of an integral magnetic core so as to realize the conversion of a push-pull triode. The self-excited push-pull type converter is realized by the method that the magnetic cores are oppositely spliced in a staggered way, and mirror surfaces are used as the contact surfaces of the side surfaces of the magnetic cores; or the magnetic cores are baked at a high temperature; or the two magnetic cores are fused through electrification. The self-excited push-pull type converter has high conversion efficiency, excellent consistency and high reliability. Meanwhile, an obtained transformer has the characteristics of small size and simple winding technology.

An electromagnet assembly for supplying a region of concentrated electromagnetic flux is provided. The assembly includes a flat strip of an electrically conductive metal. The strip has a first and a second opposite planar surfaces at least one of which is covered by a dielectric material. The strip has first and second end portions. The strip is wound in a coil including at least one first loop and one second loop and disposing the second opposite planar surface in the first loop substantially adjacent the first opposite planar surface in the second loop. The coil is disposed about an axis of symmetry configured to concentrate electromagnetic flux at a midpoint on the axis of symmetry. First and second electrical terminals are connected at the first and second end portions, respectively.

The invention provides a coil component. Electric connection between a wire and a terminal electrode and reliability of mechanical connection can be improved. The terminal electrode (37) comprises a supporting part (46) for clamping the wire (35) and serving as a first terminal plate, and a coverage part (47) serving as a second terminal part. The supporting part (46) and the coverage part (47) are mutually connected through a connection part (48) and integrated together in a position different from the connection part (48) through a welded ball (51). The periphery of the end part of the wire(35) is covered by the welded ball (51) and arranged in the welded ball (51).

The invention belongs to the field of water-cooled transformers with long circular water-cooled copper pipe structures. The invention particularly relates to a water-cooled transformer with a long circular water-cooled copper pipe structure. The transformer comprises an iron core, a primary-side high-voltage wire winding and a secondary-side large-current water-cooling copper pipe winding. The iron core is formed by stacking silicon steel sheets, the iron core is provided with the secondary-side large-current water-cooling copper pipe winding and the primary-side high-voltage wire winding, andthe primary-side high-voltage wire winding is sleeved with the secondary-side large-current water-cooling copper pipe winding. The secondary-side large-current water-cooling copper pipe winding is ina long circular shape, two ends of the secondary-side large-current water-cooling copper pipe winding are respectively connected and communicated with bus copper bars on two adjacent sides of the secondary-side large-current water-cooling copper pipe winding, the bus copper bars are arranged on two sides of the primary-side high-voltage wire winding, the bus copper bar at one side is used for water input, the bus copper bar at the other side is used for water discharge, and the size of the water-cooled transformer is perfectly reduced. The service life of the water-cooled transformer is effectively prolonged by winding the secondary-side large-current water-cooled copper pipe winding and the primary-side high-voltage wire winding, and the situation that power operation is affected due tofaults of the water-cooled transformer is reduced.

A transformer which comprises a winding frame, at least one primary coil assembly, and at least one feedback coil assembly is provided. The winding frame has at least one primary winding area and at least one feedback winding area. The at least one primary coil assembly which is wound around the at least one primary winding area and electrically connected to a microcontroller is configured to receive an input voltage. The at least one feedback coil assembly which is wound around the at least one feedback winding area and electrically connected to the microcontroller is configured to output an induced voltage to the microcontroller. The microcontroller is configured to adjust the input voltage received by the at least one primary coil assembly according to the induced voltage.

The invention discloses a color ring chip inductor with high stability. The shape of the color ring chip inductor is manufactured according to the shape of a standard chip inductor and is marked according to a marking method of the color ring chip inductor; the color ring chip inductor is further provided with a shielding layer; a magnetic core is a molybdenum permalloy magnetic core with high stability and contains 3.2%-3.8% of molybdenum, 15.8%-17.2% of iron and 79%-81% of nickel; an inductance stability numerical value is not higher than 0.03% and an initial inductance deviation range numerical value is not higher than 0.3%; a packaging material is epoxy resin; a winding is an insulating varnished wire; and two metal pins are sheet-shaped and are arranged at the bottom of the color ring chip inductor. The invention further discloses a manufacturing method of the color ring chip inductor, comprising the steps of winding wires, insulating and curing, welding, packaging, marking and the like. The color ring chip inductor disclosed by the invention is stable in induction property, is not sensitive to temperatures, is long in service life and can be used for color ring induction/chip induction.

A transformer for a DC-DC converter, such as a resonant converter, is provided. The converter includes a transformer unit that includes at least one winding with a first winding connection and a second winding connection, and a capacitor assembly consisting of at least one capacitor with a first capacitor assembly connection and a second capacitor assembly connection. The capacitor assembly is arranged so as to lie against the transformer unit in order to form an assembly. The capacitor assembly connections are connected to the winding connections via one or more first connection parts in a specified manner with respect to the electric connections. The capacitor assembly connections and/or the winding connections are electrically connected to multiple second connection parts in a specified manner with respect to the electric connections for connecting to a first power module and a second power module.

Heat is less likely to transfer from a terminal electrode to a wire. A coil component includes a core, a first terminal electrode provided on a first flange of the core, a winding portion wound around a winding core of the core, and a first wire having a first end. The first end of the first wire is electrically connected to the first terminal electrode. A part of the first end is spaced apart from the first terminal electrode.

An electrical insulation system for a high voltage inductive device includes a cylindrical insulation barrier defining an axial direction, a longitudinal bar having a main extension in the axial direction, the longitudinal bar arranged to support the cylindrical insulation barrier along the axial direction and to provide spacing in a radial direction, and the longitudinal bar having a first side facing the cylindrical insulation barrier and a second side, opposite the first side, having a groove, and a spacer having a main extension in the radial direction, the spacer being arranged to provide spacing in the axial direction, the spacer having a groove fitting end portion. The longitudinal bar is adapted to receive the groove fitting end portion of the spacer in the groove, and wherein the spacer is dimensioned so relative to the groove that the groove captures any streamer propagating from the spacer towards the cylindrical insulation barrier.

The invention relates to an electric leakage mutual inductor for high-power copper bar measurement, which comprises a mutual inductor shell (1), a circle of metal shielding layer (11) is connected inthe mutual inductor shell (1), a mutual inductor winding (4) is connected in the mutual inductor shell (1) positioned outside the metal shielding layer (11), and a group of through holes (12) are formed in the mutual inductor shell (1) positioned in the metal shielding layer (11); the mutual inductor winding (4) comprises an annular magnetic core (4a) and a set of secondary coils (4b) evenly woundon the annular magnetic core (4a), a set of parallel copper columns (2) are correspondingly connected into the through holes (12), threads (2a) are arranged at the two ends of each copper column (2),and the two ends of each copper column (2) are each connected with a copper sleeve (3). The mutual inductor has the advantages that the magnetic balance characteristic and the detection precision ofthe leakage transformer are improved, the installation of a high-power copper bar scene is facilitated, the magnetic field distribution is more uniform, and the normal use of the funnel transformer ismaintained.

The invention relates to a soft-spring power supply transmission device, which comprises a soft-spring power conduction line, an alternating current and direct current transformer and a trumpet-shaped line storage bin, wherein a plug is arranged at one end part of the soft-spring power conduction line; an inserting part is arranged at one part of an alternating current and direct current transformer body and is used for inserting an alternating current power supply; an external socket is formed in another part of the alternating current and direct current transformer body; the other plug is arranged at one end of the trumpet-shaped line storage bin and is used for being inserted into the external socket of the alternating current and direct current transformer; the soft-spring power conduction line is arranged in the trumpet-shaped line storage bin; the soft-spring power conduction line arranged in the trumpet-shaped line storage bin can be elastically pulled out; one end of the soft-spring power conduction line is connected to the plug which is arranged at the one end of the trumpet-shaped line storage bin and is used for inserting the alternating current and direct current transformer; and the plug at the end other end is used for inserting movable electrical equipment. The soft-spring power supply transmission device has the advantages of being simple and beautiful in design, and convenient and safe to use.