110 results about "Inductor windings" patented technology

The invention relates to the technical field of electrical performance testing, in particular to a method and system for measuring loss of an inductance winding, and the method comprises the following steps: applying a direct current to a measured inductance winding, synchronously monitoring the temperature, and multiplying a pre-measured direct current resistance value by a direct current value to obtain a direct current loss power value. The direct current is applied to the inductance winding, the temperature is monitored synchronously, the direct-current loss power is obtained by combining the direct-current resistance value and the current value, the temperature curve in the initial stage is extracted, the temperature rise rate is calculated, and therefore the winding heat capacity parameter is obtained, loss measurement can be closely associated with thermal response, and the measurement accuracy is improved. Introduction of a heat capacity factor is added in loss calculation, dynamic characteristics of a winding material on a thermodynamic level can be reflected, instantaneous current with load step change is applied after an inductor is cooled, an instantaneous loss power curve is generated by collecting a voltage sequence and a current sequence at the same time, and loss calculation is not limited to average value or steady state measurement any more.

The invention relates to the technical field of fault diagnosis, in particular to an inductance winding equipment fault detection method and system based on multi-sensor fusion, and the method comprises the following steps: injecting a high-frequency sinusoidal voltage signal into a servo motor stator winding of inductance winding equipment, and synchronously collecting a motor end voltage, a three-phase current and a rotor position encoder signal; and constructing an original multi-dimensional signal matrix. According to the invention, the high-frequency sinusoidal voltage signal is actively injected into the stator winding of the servo motor of the inductance winding equipment, and the motor end voltage, the three-phase current and the rotor position encoder signal are synchronously acquired, so that the active excitation response capture of the operation state is realized, and compared with a passive monitoring mode, the signal controllability and the response accuracy are better; in an original multi-dimensional signal matrix, sequence calibration is carried out through a unified timestamp standard, time alignment is carried out on electrical signals and motion signals, and the collaboration and effective association of multi-source data are enhanced.

The invention discloses an electronic transformer winding positioning tool which comprises a connecting base, a connecting plate connected with a positioning plate is arranged at the top of the connecting base, a pair of correction shafts are movably arranged on the connecting plate, a positioning frame and a butt joint clamping block are arranged at the top of the connecting plate, a set of positioning shafts are movably arranged on the positioning frame, and the positioning shafts and the correction shafts are matched for clamping a transformer coil. A rotating ring is rotationally arranged on the surface of the correcting shaft, a corresponding magnetic ring is arranged at the bottom of the rotating ring, a driving frame is movably arranged on the butt joint clamping block, and a guide frame is arranged on the side, close to the correcting shaft, of the driving frame; compared with the prior art, through the linkage design of the correction shaft and the magnetic ring, the magnetic ring at the bottom of the rotating ring is controlled by the driving frame to do lifting motion, and in cooperation with a spring reset mechanism of the reset sliding plate, flexible clamping of a coil can be achieved, and the levelness of the coil can be dynamically adjusted through the synchronous action of the supporting ring and the rotating ring in the clamping process; and the influence on the yield of equipment due to deviation in the winding process is prevented.

The utility model relates to the technical field of inductor winding machines, in particular to a multi-station inductor winding machine. Comprising a workbench, at least two clamping devices, a wire feeding device, a wire hooking device and a wire pulling device, the wire hooking device comprises a first movable frame, first hooking needles and a wire hooking execution mechanism, the first hooking needles are installed on the first movable frame and used for hooking the wire, the wire hooking execution mechanism is used for driving the first movable frame to move up and down, the number of the first hooking needles is equal to that of the clamping devices, and one first hooking needle can enter one clamping device to pull the wire downwards from the position above the inductor; the wire pulling device comprises a second movable frame, wire clamping mechanisms installed on the second movable frame and used for clamping the wires and a wire pulling executing mechanism used for driving the second movable frame to move, the number of the wire clamping mechanisms is equal to that of the clamping devices, and one wire clamping mechanism can enter one clamping device to pull the wires upwards from the lower portion of the inductor.

This application discloses an inductor structure and its fabrication method, equipment, and dielectric. The inductor structure includes an inductor winding, a magnet, and a metal frame. The magnet encloses the inductor winding to form a cuboid inductor body. The metal frame covers the top and / or bottom of the cuboid inductor body and connects to the inductor winding terminals that are extended and bent to the top and / or bottom of the cuboid inductor body. By adding a metal frame to the inductor surface, an inductor structure with electrical interconnect design is achieved, which is compatible with mature molding inductor manufacturing methods and semiconductor processes. Advanced system-in-package (SIIP) requires higher dimensional accuracy than general inductor manufacturing capabilities, limiting the flexibility of package design. The electrode reconfiguration method provided by this invention can solve this accuracy mismatch and improve design flexibility.

The invention discloses an integrated transformer, a circuit board and electronic equipment, and relates to the technical field of transformers. A first part of a first wire is wound on a coil layer formed by a first winding section, and a first part of a second wire is wound on a coil layer formed by a third winding section to respectively form two primary winding coils of the transformer; a coil layer formed by winding the third wire and a coil layer formed by winding the fourth wire respectively form two secondary winding coils of the transformer; and the second part of the first wire is wound on the coil layer formed by the second winding section, and the second part of the second wire is wound on the coil layer formed by the fourth winding section, so that a resonant inductor winding coil is formed. Thus, the transformer and the resonant inductor are integrated, the occupied space is small, and miniaturization of electronic equipment is facilitated.

The utility model discloses a ring type inductance winding device belongs to ring inductor production technical field. The device includes the base, is equipped with the supporting plate on the base, is equipped with the clamping mechanism for clamping ring inductance on the supporting plate, the clamping mechanism includes the drive seat, the abutment wheel, two positioning seat and two positioning wheel, and the positioning seat is slid in the slide rail of supporting plate, and the drive seat is slid in the sliding slot of supporting plate, and the drive seat is installed with the rotation motor of driving abutment wheel rotation, the supporting plate is equipped with the adjusting assembly of adjusting positioning seat position and the abutment assembly of driving drive seat movement, the open type winding ring is rotatably equipped on the base, and the winding ring is hinged with the closed circular block, and the closed circular block is equipped with the fixed assembly, and the base is equipped with the drive wheel and drive motor of driving winding ring rotation. The device can adapt to the winding of ring inductance of different diameters, and the coil is convenient to replace, and the winding is stable and efficient.

The application discloses a common-mode inductor, a common-mode inductor winding method and an adapter, comprising: a ring-shaped magnetic core and N windings wound on the ring-shaped magnetic core, N being an integer greater than 2; the N windings are rotationally symmetrical along the center direction of the ring-shaped magnetic core, each winding in the N windings comprises two lead terminals, and the two lead terminals are located at the outermost layers on both sides of each winding; wherein each winding in the N windings comprises a first group of windings and a second group of windings, the starting winding point of each winding in the N windings is located between the first group of windings and the second group of windings, and the number of winding sections in the first group of windings is different from the number of winding sections in the second group of windings; each winding section in the first group of windings and the second group of windings comprises multiple layers, and each layer comprises multiple turns. The common-mode inductor provided by the application can make the common-mode inductor structure have a large enough common-mode impedance without increasing the volume, thereby solving the problem of too small impedance in a high frequency band.

A power converter includes a first circuit, a second circuit, a first set of capacitors, a second set of capacitors, and a first inductance unit. The first circuit includes a first driver on a first substrate and a first switch pair forming a first switch node. The second circuit includes a second driver on the first substrate and a second switch pair forming a second switch node. The first group of capacitors is located at the bottom of the first substrate, and the second group of capacitors is located at the top of the second substrate opposite to the bottom of the first substrate. The first inductance unit includes a plurality of connection channels connecting nodes on the first substrate to corresponding nodes on the second substrate, a first inductance winding connected to the first switching node, a second inductance winding connected to the second switching node, and a first magnetic core.

An inductor device comprises an inductor core; and one or more inductor windings wound around the inductor core. The inductor core is formed to at least partially embed a part of the one or more inductor windings. A cross section of the inductor core comprises a four-sided winding window in which at least partially embedded part of the one or more inductor windings is arranged within the inductor core. The inductor core comprises air gaps extending from the four sides of the winding window. The winding window comprises at each side of the winding window a respective winding clearance in which no inductor windings are arranged. At least one of the four winding clearances has a non-uniform shape.

The invention discloses induction transformer winding positioning equipment convenient for coil winding, and relates to the technical field of induction transformer winding positioning, the induction transformer winding positioning equipment comprises a main body frame and a threaded rod, the main body frame is internally provided with a built-in groove, the built-in groove is internally provided with a hydraulic rod, and the output end of the hydraulic rod is provided with a connecting seat; and a positioning frame is mounted at the bottom of the connecting seat. According to the induction transformer winding positioning equipment convenient for coil winding, the throttle valve is mounted in the hydraulic rod, and the pressure compensation device is additionally arranged on the basis of the throttle valve, so that the influence of load change on flow can be automatically counteracted, stable flow output is realized, the speed of the hydraulic rod can be kept constant even if the load fluctuates, and the working efficiency is improved. The stretching-out condition of the hydraulic rod can be controlled by controlling the throttling valve, the coil winding speed is matched with the stretching-out condition of the hydraulic rod, and therefore when the coil is wound, the hydraulic rod can be matched to drive the positioning frame to move, and uniform coil winding is facilitated.

The invention discloses an inductance coil winding and dispensing all-in-one machine, and belongs to the technical field of inductance production equipment.The machine comprises a workbench, and the workbench is provided with an intermittent rotating disc for winding and an intermittent rotating disc for dispensing; a magnetic core feeding device, a coil winding and cutting device, a coil two-wire-end folding and positioning device, a winding two-end excess length cutting device, a wire end welding device, a coil detecting device and a coil transferring device are sequentially arranged on the periphery of the intermittent rotating disc for winding. And a first dispensing device, a coil turnover device, a second dispensing device, a glue scraping device, a dispensing detection device and an inductance coil moving device are sequentially arranged on the periphery of the intermittent turntable for dispensing. Coil winding and coil surface dispensing packaging are integrated on one workbench, and the curing bin is arranged on one side of the workbench, so that assembly line type operation of inductor production is achieved, a complete inductor device can be manufactured through one machine, the working efficiency is high, the structural layout is compact, and the occupied space is small.

The application relates to the technical field of mutual inductor winding production, and discloses a mutual inductor winding production processing equipment and a processing method thereof, which comprises a winding device, a rectangular core is arranged above the winding device, a plurality of air pipes are fixedly arranged at the output end of an air pump, a supporting seat is slidably connected to the upper side of the winding device, double-head air cylinders are slidably connected to the inner bottom wall of the supporting seat, supporting rods are fixedly arranged at the output end upper end of the double-head air cylinders, a plurality of sliding cylinders I are fixed to the outer wall of the supporting rods, sliding rods I are slidably arranged at the other ends of the sliding cylinders I, and a motor II is fixed to the inner bottom wall of the winding device. The controller, the air pump and the double-head air cylinders are matched, the gas pushes the plurality of sliding rods I to move and abut against the inner side of the fillet of the rectangular core, so that the problem that the existing technology cannot adapt to the cores with different fillet radii, the equipment has a single application scene and has poor universality is solved.

The invention discloses a stacking and feeding collaborative operation system and method for cylindrical inductor winding, and relates to the field of inductor winding production, the stacking and feeding collaborative operation system comprises a collaborative feeding device, the collaborative feeding device comprises a collaborative feeding box, a jacking rod and a poke rod, and the top of the collaborative feeding box is provided with a stacking groove and a feeding groove in the height direction of the collaborative feeding box; a chute communicated with the stacking groove and the feeding groove is formed in the cooperative feeding box, the jacking rod is vertically arranged under the feeding groove and has the freedom degree of moving in the height direction of the cooperative feeding box, the middle of the poke rod is hinged to the cooperative feeding box, and a limiting rod is fixed to the top of the poke rod. When the jacking rod moves downwards, the cylindrical inductor in the chute falls onto the moving path of the jacking rod, the limiting rod supports the cylindrical inductor in the feeding groove, when the jacking rod moves upwards, the limiting rod moves out of the feeding groove, and stacking and feeding are integrated together. And the production efficiency of the cylindrical inductor is improved.

The application discloses a winding inductance heat transfer pouring structure and method, which comprises a substrate, a heat conduction column is vertically arranged on the upper end surface of the substrate, a winding inductance is sleeved on the heat conduction column and located at the bottom of the substrate, a pouring cavity is arranged between the winding inductance and the heat conduction column, a pressing plate is detachably connected to the top of the winding inductance, a plurality of pouring openings are formed in the pressing plate and communicated with the pouring cavity, the winding inductance comprises an inductance magnetic ring, a first insulating film wrapped on the inductance magnetic ring, a second insulating film wrapped on the first insulating film and an inductance winding wound on the inductance magnetic ring, the inductance winding is located between the first insulating film and the second insulating film, and a plurality of pouring holes are formed in the first insulating film and the second insulating film and communicated with the pouring cavity. The application improves the heat dissipation efficiency and heat transfer capacity of the winding inductance and effectively solves the problem of heat accumulation of the winding inductance.

The present application belongs to the field of inductor winding equipment, and relates to an automatic inductor winding equipment. A clamp seat is fixedly arranged on a rack. An end of a clamping rod away from the clamp seat is provided with a sliding tube. A support arm is slidably arranged in the sliding tube. An end of the support arm away from the clamping rod is rotatably provided with a clamping roller. The clamping rod is provided with three clamping rollers. The three clamping rollers are arranged in a triangular ring to form a magnetic ring positioning area. The clamping rod is divided into a left clamping rod, a right clamping rod and a middle clamping rod. The left clamping rod and the right clamping rod are symmetrically arranged about the middle clamping rod. The middle part of the right clamping rod and the middle part of the left clamping rod are rotatably arranged on the clamp seat. The middle clamping rod is slidably arranged on the clamp seat. The automatic inductor winding equipment further comprises a driving mechanism. The driving mechanism is used for driving the support arm corresponding to the left clamping rod and the support arm corresponding to the right clamping rod to slide in a direction away from the clamp seat. The present application solves the problem of unstable movement of a magnetic ring caused by the constant distance between clamping rollers of a winding machine in the prior art.

The utility model discloses a supporting device for a binding machine, which comprises a slide rail base, an end part supporting structure is arranged at the end part of the slide rail base, an overturning frame and a chuck structure are arranged on the slide rail base from front to back, and the chuck structure comprises a first bottom frame, a first lifting frame and a three-jaw self-centering chuck; the overturning frame comprises a second bottom frame, a second lifting frame and a rubber roller; the end supporting structure comprises a third bottom frame, a third lifting frame and a supporting platform. The inductor winding and supporting device is reasonable and ingenious in structural design, the end supporting structure supports the head of a sleeve, the overturning frame supports the middle of the sleeve, an inductor is overturned through a rubber roller, the chuck structure clamps the tail of the sleeve and provides forward driving force, use is flexible and convenient, and the inductor winding and supporting device can be suitable for winding and supporting inductors of different sizes.

The utility model relates to the field of winding, in particular to a power inductor winding structure which comprises a winding box, one end of the inner wall of the winding box is rotationally connected with a bidirectional screw, the other end of the winding box is provided with an auxiliary assembly, and the outer walls of the two ends of the bidirectional screw are in threaded connection with sliding plates. A rotating plate is rotationally connected to the position, located in the center of the winding box, of the outer wall of one end of one sliding plate, a clamping motor is installed on the outer wall of the winding box, and an output shaft of the clamping motor is connected with one end of a two-way screw. The auxiliary assembly comprises a sliding hole formed in the center of the outer wall of one side of the winding box, a sliding block connected into the sliding hole in a sliding mode and a threading hole formed in the center of the sliding block. The other end of the wire harness penetrates through the wire penetrating hole, the sliding motor drives the sliding screw rod and the sliding block to move, the wire harness is evenly wound on the outer wall of a part, wire winding is convenient, and use is convenient.

The utility model relates to the technical field of inductor winding equipment, in particular to a coil shaping structure of an inductor winding machine and the inductor winding machine. The coil shaping structure comprises a first forming claw and a second forming claw, and shaping grooves are formed in the top of the first forming claw and the top of the second forming claw. The shaping groove comprises a groove bottom and a groove wall, the groove bottom and the groove wall are matched with the coil in shape, and the groove bottom is used for supporting the coil. One part of the groove wall is formed on the side, close to the second forming claw, of the first forming claw, the other part of the groove wall is formed on the side, close to the first forming claw, of the second forming claw, and the groove wall is used for providing lateral clamping force for the coil. According to the coil shaping structure, the shaping groove comprises the groove bottom, in the coil shaping process, the groove bottom provides the reverse supporting force, coil turn-to-turn layering, paint film damage or separation from the shaping structure can be prevented, the yield of thick-wire inductors machined by a winding machine is increased, and the machining efficiency is improved.

The utility model discloses a high-power magnetic combination DC transformer assembly which comprises a DC transformer magnetic core, a primary winding, a secondary winding, an output inductor magnetic core, an output inductor winding and a base. The primary winding and the secondary winding are assembled with the DC transformer magnetic core, the DC transformer magnetic core abuts against one side of the output inductor magnetic core, so that the primary winding and the secondary winding are located between the DC transformer magnetic core and the output inductor magnetic core, and the primary winding, the secondary winding, the DC transformer magnetic core and the output inductor magnetic core jointly form a DC transformer; the output inductor winding is assembled on the other side of the output inductor magnetic core, and the other side of the output inductor magnetic core is arranged to be capable of being in butt joint with a magnetic core of an external magnetic element, so that the output inductor winding, the output inductor magnetic core and the magnetic core of the external magnetic element jointly form an output inductor. The DC transformer and the output inductor are both fixed on the base, and the primary winding, the secondary winding and the output inductor winding are all led out from the base.

The utility model relates to the technical field of coil winding, in particular to a wire shifting device of an inductor winding machine, which comprises a rack, a wire clamping device, a winding device and a wire shifting device, the rack is provided with a workbench, the workbench is provided with a wire passing through groove, and the rack is provided with a wire shifting device; after the wire winding device pulls the wire downwards from the inner side of the magnetic ring to the position below the workbench, the wire shifting device can shift the wire to move to the position below the wire passing through groove. Compared with the prior art, through the arrangement of the wire shifting device, the positions of the wires can be effectively arranged, the problem of winding in the wire winding process is avoided, and then the winding reliability of the inductor winding machine is improved.

The application discloses a three-phase high-frequency inductor with multiplexed magnetic circuit, which comprises A, B and C phase inductor winding magnetic cores adopting a character-shaped frame structure, and the magnetic core adopts the character-shaped frame structure, which is surrounded by upper magnetic core cross beams (1), lower magnetic core cross beams (2), first magnetic core vertical columns (3), second magnetic core vertical columns (4), third magnetic core vertical columns (5) and fourth magnetic core vertical columns (6) to form left windows (10), middle windows (11) and right windows (12); the A phase magnetic flux Φa and the B phase magnetic flux Φb in the second magnetic core vertical column are in phase, and the B phase magnetic flux Φb and the C phase magnetic flux Φc in the third magnetic core vertical column are in phase; the magnetic circuit is multiplexed, the magnetic circuit of the B phase is equivalent to the magnetic circuit of the A phase and the C phase, the volume and weight of the magnetic element are reduced, the cost is reduced, the heat loss is reduced, and the heat dissipation of the magnetic element is optimized.

The application relates to a space navigation power supply filter based on a common-difference-mode three-dimensional integrated inductor and a manufacturing method, wherein the common-difference-mode three-dimensional integrated inductor is composed of a double-column magnetic core, a matched magnetic core and an LTCC substrate; the LTCC substrate is provided with four hollow areas; the double-column magnetic core is provided with two middle columns and two side columns; the double-column magnetic core and the matched magnetic core are inserted into the hollow areas of the LTCC substrate and fixed, a common-mode inductor is formed by the two middle columns, the LTCC substrate and the matched magnetic core, and a differential-mode inductor is formed by the two side columns, the LTCC substrate and the matched magnetic core; the inside of the LTCC substrate is printed with a common-mode capacitor and a multilayer inductor winding; the front surface of the LTCC substrate is welded with a differential-mode capacitor, and the double-column magnetic core and the matched magnetic core realize all functions of the power supply filter; the back surface of the LTCC substrate is welded with BGA soldering balls / PGA soldering pins; and the LTCC substrate, a surrounding frame and a cover plate form a sealed power supply filter cavity structure.

The utility model relates to the technical field of inductor winding pin processing, in particular to automatic winding and shearing equipment for inductor winding pins, which comprises a fixed table, a movable plate is slidably connected to the upper surface of the fixed table, a vertical groove is formed in the front side of the movable plate, and a compression spring is fixedly connected in the vertical groove. The lower end of the compression spring is fixedly connected with a vertical pipe, the surface of the vertical pipe is fixedly connected with a limiting pipe, the semicircular plate, the movable plate and the fixed plate are arranged, in the winding process, the two sides of the inductor winding pin wire can be limited, the stability of the inductor winding pin wire in the winding process is improved, the inductor winding pin wire is not prone to loosening, and after winding, the inductor winding pin wire can be cut, so that the production efficiency is improved. And before winding, a worker can move the semicircular plate up and down to adjust the distance between the semicircular plate and the fixed plate and the distance between the semicircular plate and the movable plate, so that the worker can conveniently block inductance winding pin wires with different winding thicknesses, and the application range of the device is expanded.

The application relates to the field of inductance winding machines, and discloses a core positioning mechanism for an inductance winding machine, which comprises a machining table, the upper surface of the machining table is fixedly provided with an arc-shaped fixing plate on one side, the front side of the arc-shaped fixing plate is movably provided with an inner tooth ring, the front side of the inner tooth ring is fixedly provided with a rotating ring through a connecting frame, the inside of the rotating ring is provided with a tension control mechanism on one side, the top end of the machining table is uniformly fixedly provided with three positioning plates, the inner side end of each positioning plate is movably provided with a lead screw in the middle, the outer diameter of each lead screw is threadedly connected with a movable table, and the upper and lower ends of the movable table are movably provided with rotating frames. The application can realize accurate and stable clamping of a core, automatic adjustment of the tension of inductance wire, synchronous completion of misaligned winding, convenient operation, strong adaptability, protection of the core and the inductance wire, improvement of winding quality, efficiency and service life of the mechanism.

The invention discloses a thermal trigger micro-separation structure, a self-adaptive heat dissipation electromagnetic wire and an active heat dissipation inductor, an inductor winding is formed by winding a specially-made self-adaptive heat dissipation electromagnetic wire, and the electromagnetic wire is provided with a self-adaptive heat dissipation layer outside a conventional insulating layer. And the layer is prepared by mixing an insulating polymer matrix and a composite phase change functional filler. The functional filler has a unique [phase change material / expanded graphite] core and foamed thermoplastic polyurethane shell structure, expanded graphite forms a three-dimensional porous skeleton to adsorb a shape-stabilized phase change material to form an inner core, and the outer part is coated with foamed thermoplastic polyurethane to form a secondary packaging structure of the inner core and the outer shell. Passive phase change heat absorption is combined with active resistance early warning and heat dissipation, the overload capacity and working reliability of the inductor are remarkably improved, the service life of the inductor is remarkably prolonged, and the inductor is particularly suitable for application scenes with high power density and serious instantaneous overload.

The invention discloses a Z-source inverter circuit, a circuit board, a controller and an air conditioner, and the Z-source inverter circuit comprises a first magnetic integrated inductor, a second magnetic integrated inductor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a first IPM module and a second IPM module. A first magnetic integrated inductor formed by winding a first inductor winding wire and a second inductor winding wire on a first magnetic core at the same time is connected with a first capacitor and a second capacitor respectively to form a first X-type impedance network; and a second magnetic integrated inductor formed by winding a third inductor winding wire and a fourth inductor winding wire on a second magnetic core at the same time is respectively connected with a third capacitor and a fourth capacitor to form a second X-type impedance network, so that two paths of positive and negative inductors can be integrated together under the condition of ensuring the power supply efficiency of two paths of parallel loads of the Z-source inverter; therefore, the number of circuit elements is reduced, the space is saved, the cost is reduced, the influence of electromagnetic coupling between inductors is reduced, and the EMI problem of an electric control system is solved.

The utility model discloses a kind of microcrystalline direct current common mode inductance, including insulating shell, microcrystalline magnetic core, positive pole copper bar and negative pole copper bar, microcrystalline magnetic core is fixed in the inside of insulating shell, positive pole copper bar and negative pole copper bar are through the insulating shell, and its both ends extend to the outside of insulating shell, as inductance winding;Positive pole copper bar and negative pole copper bar pass through the center hole of microcrystalline magnetic core in parallel, and keep preset interval in the magnetic core inside.The utility model replaces winding with integrated copper bar, optimizes copper bar interval and magnetic circuit symmetry, enhances common mode spurious wave current suppression capability.Integrated copper bar structure replaces traditional winding, simplifies winding design, reduces connecting point and welding link, to reduce contact resistance and potential fault point, enhances current carrying stability and long-term durability.Positive and negative pole copper bar passes through magnetic core center hole and keeps preset interval: on structure, it is ensured that double copper bar forms symmetrical and parallel magnetic circuit in the magnetic core inside, and the suppression effect of spurious wave current is optimized.

The utility model discloses a common-mode inductor winding structure, which belongs to the technical field of common-mode inductors and comprises a bottom plate and a fastening bolt, a common-mode inductor group is arranged at the top of the bottom plate, a cover plate is arranged at the top of the common-mode inductor group, and the fastening bolt penetrates through the cover plate and the common-mode inductor group to be in threaded connection with the bottom plate. Bonding pads are arranged on the surfaces, corresponding to the common mode inductor group, outside the bottom plate and the cover plate; and one side, facing the common mode inductor group, of each bonding pad is fixedly connected with a contact block. The common-mode inductor group is arranged, the first magnetic block and the second magnetic block are attracted to form a magnetic core, the first arc-shaped copper sheet and the second arc-shaped copper sheet are contacted to form a coil, the first inductor units and the second inductor units are stacked to change the inductance value, and the inductor is simple to assemble, beneficial to assembly type installation and high in practicability. A plug-in machine in the prior art can be used for rapid assembly, and the effects of facilitating production and saving cost are achieved.