15 results about "Toroidal coil" patented technology

The invention relates to the technical field of high-pressure valves, in particular to a low-power-consumption bistable electromagnetic actuator for a valve, which comprises a casing main body for accommodating other parts of the electromagnetic actuator, introducing a control wire and allowing an output component to penetrate out; the stator assembly comprises annular coil devices which are symmetrically arranged in the axial direction and generate armature magnetic flux to control an output component to move transversely, and control wiring to control the time sequence of the armature magnetic flux generated by the coil devices. The middle iron core assembly comprises a permanent magnet device capable of generating permanent magnetic flux, and the permanent magnet device is located in the symmetrical middle of the symmetrically-arranged annular coil device and used for conducting electromagnetic fixing on the output component after transverse movement is finished. The armature assembly is used for driving the output component to retract into or penetrate out of the machine shell body under the action of armature magnetic flux to execute valve switch control action, and the armature assembly is arranged in the stator assembly and penetrates through the middle iron core assembly. According to the invention, a novel composite magnetic circuit under the dual action of a constant magnetic source and an electromagnetic field is constructed, so that bidirectional active switching between steady-state positions is realized.

toroidal coil arrangement (10), comprising - a toroidal outer coil (12) with a plurality of electrically interconnected outer windings enclosing an outer coil interior, and - a toroidal inner coil (14) arranged concentrically to the outer coil (12) within the interior of the outer coil, with a plurality of electrically interconnected inner windings, wherein each of the coils (12, 14) has a pair of terminals (121; 141) for its separate electrical contacting, characterized by that the outer coil (12) has two open ring rails (122a,b) running at a constant distance from each other, defining an annular gap (124) between them, which are connected to each other by conductor arcs (123) distributed evenly over their circumference, forming the outer windings.

The utility model relates to the technical field of electroacoustics, concretely is a kind of low-frequency amplitude enhancement and welding plate conjoined annular coil plane diaphragm, including one annular diaphragm frame, and diaphragm frame is set in the diaphragm unit, diaphragm unit is equipped with plane coil unit;Diaphragm unit includes first diaphragm and the combined second diaphragm concentric with first diaphragm, the outer diameter of second diaphragm is wider than first diaphragm, and the rigidity of first diaphragm is greater than second diaphragm;The outer edge of diaphragm frame is equipped with the flexible circuit board electrically connected with two plane coil arrays, and the end of flexible circuit board away from diaphragm frame is equipped with a pair of connecting pad.The amplitude of second diaphragm in the utility model will be significantly greater than first diaphragm, to significantly improve the low-frequency performance of diaphragm, still through flexible circuit board, connecting pad is extended to the outside of diaphragm frame, it is convenient to connect audio signal line, also can utilize earphone internal space, more convenient assembly.

A compact superconducting energy storage cell includes a CEC Coil Assembly comprised of a plurality of axially stacked CEC Coil Modules. Each CEC Coil Module has two, double-pancake HTS coils and at least one coil assembly circumferentially surrounding the coil core. The coil assembly has at least two coils of superconductor coil windings with at least one spacer disposed therebetween with the at least two coils and the at least one spacer being stacked along the central axis. An insulator sleeve is disposed about the CEC Coil Assembly. A radiation shield cup and a radiation shield cap together define a first interior containing the insulator sleeve encapsulating the four axially stacked CEC Coil Modules. An outermost enclosure having an outermost chamber and an outermost cap together define a second interior that contain the at least one inductor module disposed therein.

The invention provides a sensor having a receiving coil wound twice, a position detection device, and a sensor controller. The sensor (31) includes an outer loop coil (OC), one end of which is connected to the output terminal (T1), and an inner loop coil (IC), the other end of which is connected to the output terminal (T2). The other end of the outer toroidal coil (OC) and one end of the inner toroidal coil (IC) are connected to each other by a bridge conductor (BC) that spans the inner toroidal coil (IC).

This invention relates to the field of coil processing technology, specifically to a device for shaping and cutting the lead wire of a toroidal coil. The device includes a main unit, a support, multiple sets of insertion holes on the support, and a control console on the support. The control console includes a positioning unit, comprising a fixing mechanism on the support for clamping the toroidal coil and a positioning mechanism on the fixing mechanism. Through the automated coordinated action of the positioning unit, the entire process reduces manual intervention, preventing phenomena such as skewed insertion after the lead wire is inserted into the insertion hole. This avoids problems such as incomplete correction and length deviation after cutting during subsequent shaping and cutting. Furthermore, the cutting unit performs secondary shaping of the lead wire, while a cutter cuts it along a preset stroke, further improving the quality and efficiency of shaping and cutting the lead wire of the toroidal coil. This ensures the assembly accuracy with power distribution equipment and the stability of electrical performance during use.

The invention relates to the technical field of inductance coils, in particular to an arc-impact-resistant annular coil for a high-voltage electric power metering mutual inductor, which comprises two mounting frames, a fixing rod, a coil body, two mounting mechanisms and two fixing mechanisms, and is characterized in that each mounting mechanism comprises a pressing assembly, two driven blocks, two springs I, two connecting rods and two fixing heads; after the pressing assembly is pressed down and the two mounting frames are fixed to the mounting position through the two mounting mechanisms, the coil body is mounted on the two mounting frames through the fixing rods, the pressing assembly is loosened, the two driven blocks are pushed to be close to each other through resilience force of the two first springs, the two driven blocks drive the two fixing heads on the two connecting rods to be close to each other, and the coil body is mounted on the coil body. And when the two fixing heads enter the fixing holes in the fixing rod, the fixing rod is fixed, and the installation of the coil body can be completed, so that the problem that the installation efficiency is relatively low due to the complicated installation process of the existing annular coil is solved.

The application discloses a ship magnetic reduction system and method based on a water surface floating annular coil, relates to the technical field of magnetic reduction, and aims at improving the problems of insufficient flexibility of ship degaussing, degaussing response lag and low energy utilization efficiency, obtaining ship water area magnetic field distribution and sailing track information through the arrangement of a fluxgate sensor and a high-sensitivity magnetometer, dividing a measurement area, standardizing magnetic field intensity and sailing speed, applying a multidimensional analysis method to generate labels through magnetic field classification, marking the magnetic field change trend in the sailing stage, detecting the magnetic field fluctuation amplitude and frequency, calculating a comprehensive magnetic loss coefficient and setting a degaussing level. After receiving the judgment result, hierarchical degaussing is implemented through the floating annular coil according to the priority order and the compensation efficiency threshold, the electromagnetic stealth capability of the ship can be significantly improved, the manual intervention and energy consumption can be reduced, and efficient, intelligent and energy-saving ship magnetic management is realized.

This invention provides a support device for a non-planar stellarator coil. The support device includes a base and multiple support components spaced circumferentially along the base. Each support component includes a height adjustment component, an angle adjustment component, and a mounting component. One end of the height adjustment component is connected to a corresponding position on the base, and the other end is connected to the mounting component via the angle adjustment component. The mounting component has a mounting groove for embedding the sidewall of the coil at a corresponding position. This support device adjusts the height of the mounting component relative to the base using the height adjustment component and adjusts the tilt angle of the mounting component relative to the height direction using the angle adjustment component. This allows the coil to fit snugly into the mounting groove of the mounting component. In particular, when supporting a non-planar toroidal coil, the coil's shape remains unchanged, improving the coil's manufacturing precision.

A position detection sensor is configured by adhering a sensor pattern portion to one face of a base material with an adhesive material, the sensor pattern portion being obtained by making each of a plurality of electrode conductors composed of a wire covered with insulation into a prescribed conductor pattern, and reducing deformation of wiring of the sensor pattern portion. The sensor pattern portion is composed of a first coil group in which a plurality of annular coils are arranged at prescribed intervals in a first direction, and a second coil group in which a plurality of annular coils are arranged at prescribed intervals in a second direction orthogonal to the first direction, the annular coils being composed by winding a wire a prescribed number of times. The annular coils of the first coil group and the annular coils of the second coil group are alternately stacked at intervals of 1 to a plurality, and are adhered to the base material with the adhesive material.

The utility model relates to the technical field of mixed tower, disclose a kind of mixed tower horizontal joint nondestructive testing system, comprising: tower drum foundation, the multiple tower drums of being set to the top of tower drum foundation and the booster station monitoring workstation being set to ground;Horizontal joint is arranged between adjacent tower drums, and piezoelectric magnetic mechanism is arranged in horizontal joint, and the top of piezoelectric magnetic mechanism is provided with electric quantity detection mechanism, the outside of piezoelectric magnetic mechanism is provided with waterproof layer, the outside of waterproof layer is provided with flexible protective layer, piezoelectric magnetic mechanism includes piezoelectric material being set to the inside of horizontal joint, wire being connected to piezoelectric material, and ceramic rod being set to the outside of horizontal joint, the outer surface of ceramic rod is around with conducting coil, and conducting coil is connected to wire, and the system is for the fan mixed tower horizontal joint in operation, using built-in piezoelectric material of big strength, the current of piezoelectric material is converted into vertical magnetic quantity, in outer arrangement annular coil, with the current detection of magnetic flux variation conversion to calculate piezoelectric material stress condition.

This invention belongs to the field of coil winding technology, specifically a coil winding device for transformer processing, including a carrier part, a support part, a winding mechanism, a cleaning mechanism, and a control mechanism. The carrier part includes a carrier plate, a vertical plate, and a mounting rail. The mounting rail is fixedly installed above the carrier plate, and the vertical plate is detachably installed on the side wall of the mounting rail. The support part includes a driven roller and a driving roller, which support the coil frame. The winding mechanism includes a drive ring, an arc plate, and a take-up roller. The take-up roller is detachably installed on the inner wall of the drive ring, and the arc plate is detachably connected to the drive ring. The drive ring is rotatably mounted on the side wall of the vertical plate. The cleaning mechanism includes a mounting box and a cleaning roller rotatably mounted inside the mounting box. The mounting box is detachably mounted on the inner wall of the drive ring. The side wall of the mounting box has a wire-passing hole with chamfered edges. The above structure significantly improves the forming quality, finished product qualification rate, and processing continuity of the toroidal coil.

This invention belongs to the field of airborne sensor technology and discloses a ring coil device and its manufacturing method. The ring coil device includes a ring-shaped iron core, at least two sets of enameled wires wound on it, an insulating curing layer, an encapsulation shell, and an elastic potting compound. The end of each set of enameled wires is formed by twisting the enameled wire with multiple auxiliary wires to form a reinforced lead segment, which is then segmentally impregnated and cured with insulating varnish before being encapsulated in the shell by the elastic potting compound. The manufacturing method includes steps such as winding, reinforcing and twisting the lead segments, segmentally impregnating with insulating varnish, and potting molding. This invention solves the processing problems of easy breakage and difficult splicing of ultra-fine enameled wires through a twisted and thickened structure; by combining segmented impregnation with elastic potting, it provides the coil with excellent insulation, buffering, and temperature resistance, enabling it to operate stably for a long time in high-temperature and high-vibration environments. This makes the ring coil device structurally reliable and suitable for airborne speed sensors in aero engines that require high-reliability multi-channel signal output.

The embodiment of the invention provides an induction heating coil for a variable cross-section workpiece, and relates to the technical field of electromagnetic induction heating. The induction heating coil comprises a plurality of turns of annular coils and a plurality of coil connecting pieces, the annular coils are stacked up and down at intervals in the axis direction. The annular coil is cylindrical, the side wall of the annular coil is provided with an axial opening, and the axial opening is provided with a first side edge and a second side edge; one end of the coil connecting piece is connected with the first side edge of the axial opening of the upper-turn annular coil, and the other end of the coil connecting piece is connected with the second side edge of the axial opening of the lower-turn annular coil, so that the upper-turn annular coil and the lower-turn annular coil are connected in series to form a spiral current loop. According to the induction heating coil for the variable cross-section workpiece provided by the embodiment of the invention, the inherent spiral rising angle of a traditional spiral coil can be thoroughly eliminated, the turn spacing height in the axial direction of the workpiece is ensured to be consistent, full coverage and uniform electromagnetic field distribution of the workpiece are realized, and the purpose of uniform heating is achieved.

The present disclosure discloses a magnetic device for induction heating thereof that relates to the field of induction heating technologies. The magnetic device includes at least four coils that are even numbers, wherein the at least four coils are equally divided into two groups, and the two groups of coils are symmetrically arranged around an axis thereof; and a driving unit arranged on a symmetrical central axis of the coil and configured to drive a metal material to be heated to rotate. The present disclosure provides the even number of coils combined to form an annular coil device, so that a larger and more uniform magnetic field is generated in a center of the annular coil device, which can be more favorable for improving an eddy current heating effect thereof.