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165 results about "Inductor windings" patented technology

Plug-in inductor winding process control method based on production parameter dynamic compensation

The invention discloses a plug-in inductor winding process control method based on production parameter dynamic compensation, and provides a closed-loop compensation control strategy taking a physical field evolution model as a core aiming at the problems of unstable sensing quantity and non-uniform structure in the traditional process. The method comprises the following steps: firstly, constructing an ideal physical field reference model according to target inductance parameters and a structure, and describing an evolution law of characteristics such as a magnetic field, an electric field or impedance in an ideal state; in the actual winding process, a physical field signal is collected through a sensor, production parameters such as wire tension and main shaft rotating speed are obtained, and a physical field distribution snapshot of the current winding state is generated. And the system compares the extracted actual features with the reference model, identifies a dominant disturbance source causing deviation in combination with real-time production parameters, and outputs a disturbance type label carrying causal information. And according to a label and a production parameter change trend, a compensation instruction is dynamically generated and executed, fine adjustment of tension, a winding displacement track or density is realized, and consistency and precision of an inductor finished product are ensured.
Owner:SHENZHEN SOREDE ELECTRONIC CO LTD

Method and system for measuring inductance winding loss

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.
Owner:SHENZHEN CENKER ENTERPRISE

Inductance winding equipment fault detection method and system based on multi-sensor fusion

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.
Owner:SHENZHEN CENKER ENTERPRISE

Electronic transformer winding positioning tool

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.
Owner:ZHEJIANG ENHONG ELECTRONICS CO LTD

Inductor with increasing outer fill density

A structure includes a first layer having inductor windings. An inner area of the first layer is at least partially enclosed by the inductor windings and an outer area of the first layer is separated from the inner area by the inductor windings. This structure further includes a second layer having structural fill elements. The first layer and the second layer are parallel, and the second layer is relatively below the first layer in a direction perpendicular to the first layer. The density of the structural fill elements aligned below the inner area is less than the density of the structural fill elements aligned below the outer area.
Owner:GLOBALFOUNDRIES US INC

Method, device and equipment for determining inductance of filter inductor and medium

The invention discloses a method, a device and equipment for determining the inductance of a filter inductor and a medium, and relates to the technical field of inverters. By establishing a target state equation, the dynamic change of the output voltage under different bridge arms of the inverter system and the current of the filter inductor can be known subsequently. And according to the target state equation, determining a branch current of a coupling inductance winding of each bridge arm and a target current corresponding to filtering, so that the branch current and the target current are abstracted into a mathematical expression in a circuit operation process, and the branch current and the target current are deduced and determined through a mathematical mode. And determining the ripple current variation of the filter inductor by taking the determined branch current and the target current as subsequent constraint parameters. Furthermore, the inductance value of the filter inductor is determined based on the ripple current variable quantity of the filter inductor, and is used as an important basis for selecting the filter inductor, so that the specific inductance value is determined on the basis of reducing the inductance value of the filter inductor, and the selection accuracy is improved.
Owner:GOODWE TECHNOLOGIES CO LTD

Automatic winding equipment for inductor

The invention relates to the technical field of winding type inductor manufacturing equipment, in particular to inductor automatic winding equipment which comprises a winding mechanism and a feeding mechanism. A winding mold is installed at the output end of the feeding mechanism, a plurality of rotatable winding rollers are installed on one side of the winding mold, a back plate is arranged at one end of each winding roller, a plurality of sets of wire clamping grooves are formed in the outer edge of the circumferential wall of each back plate, and a slot is formed in the other end of each winding roller. The winding mechanism comprises an ejector rod and a base, a fourth motor is installed on one side of the base, a first supporting seat is installed on the upper end face of the base, a hollow rotating shaft and a second rotating shaft which are horizontally arranged side by side are installed on the first supporting seat, a second air cylinder is fixed to one side of the first supporting seat, and a push plate is fixed to the output end of the second air cylinder; one end of the ejector rod is fixedly connected with the push plate, and the other end of the ejector rod is fixedly provided with a connecting column. Through parallel operation of multiple mechanisms, the problems that loading and unloading of traditional winding equipment are tedious, and the starting end of a coil cannot be rigidly fixed are solved.
Owner:SHANDONG YINGDAKOTE ELECTRONIC TECHNOLOGY CO LTD

Multi-station inductance winding machine

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.
Owner:DONGGUAN ZHIQIANG ELECTRONIC TECH CO LTD

Inductive structure, method of manufacturing the same, device, medium

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.
Owner:SHENZHEN WOXIN SEMICON TECH CO LTD

Integrated inductor and integrated circuit

The present invention discloses an integrated inductor and integrated circuit, wherein the integrated inductor includes a magnetic core and windings, the magnetic core including a core center leg, a first side leg, a second side leg, an upper magnetic core base plate, and a lower magnetic core base plate; the windings include a first inductor winding wound on the first side leg, and a second inductor winding wound on the second side leg; the direction of the magnetic flux generated by the first inductor winding is opposite to the direction of the magnetic flux generated by the second inductor winding; the magnetic flux density generated by the first inductor winding is different from the magnetic flux density generated by the second inductor winding; and air gaps are provided on both the first side leg and the second side leg, with the air gaps of the first side leg and the second side leg being different. The present invention achieves flexible adjustment based on the actual proportion of copper loss and iron loss, thereby reducing the volume of the magnetic core, reducing magnetic core loss, and improving circuit efficiency. At the same time, the present invention also adopts differentiated design based on heat dissipation and efficiency considerations, and compromises magnetic loss and copper loss, so that the magnetic element coil and magnetic core can be maximized.
Owner:ZTE CORP

Integrated transformer, circuit board and electronic equipment

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.
Owner:GUANGDONG MISUN TECH CO LTD

Integrated magnetic component

An integrated magnetic component comprises a transformer, a resonant inductor, a current comparator, and a second insulator. The transformer includes a transformer magnetic core and a transformer winding disposed on the transformer magnetic core. The resonant inductor includes an inductor magnetic core contacting the transformer magnetic core, and an inductor winding disposed on the inductor magnetic core. The resonant inductor shares a magnetic circuit with the transformer. The current comparator includes a current comparator magnetic core, a current comparator winding disposed on the current comparator magnetic core, and a first insulator disposed around the current comparator magnetic core. The current comparator, the resonant inductor and the transformer are arranged to form an integrated structure. The second insulator is disposed around the integrated structure.
Owner:SEA SONIC ELECTRONICS CO LTD

Ring type inductor winding device

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.
Owner:YIBIN RONGCHENG ELECTRONICS CO LTD

Common mode inductor, common mode inductor winding method and adapter

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.
Owner:HUAWEI DIGITAL POWER TECH CO LTD

Power converter with high current density

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.
Owner:CHENGDU MONOLITHIC POWER SYST

Inductor device

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.
Owner:HUAWEI TECH CO LTD

Induction transformer winding positioning equipment facilitating coil winding

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.
Owner:WUXI HUIPU ELECTRONICS CO LTD

Winding and dispensing all-in-one machine for inductance coil

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.
Owner:广州盛中电子有限公司

Self-adaptive adjustment inductance winding machine

The invention belongs to the technical field of inductor production, and discloses a self-adaptive adjustment inductor winding machine. Comprising a winding machine main body which is installed on a bottom plate, and further comprises three positioning columns which are used for supporting and positioning an inductor to be wound. By arranging the driving assembly, the driving assembly enables the three positioning columns to clamp the inductor in the radial direction, the monitoring assembly converts clamping displacement into multiple signals in real time through the mechanical transmission and sensing technology, a moving plate drives a first rack to move along with displacement of an L-shaped column, and through variable-speed transmission of a first gear and a second gear, the clamping displacement is adjusted to be stable. Small displacement is converted into large displacement to drive the second rack to move, a laser sensor obtains a high-precision displacement signal by detecting the position of a connecting plate so as to judge whether the inductor is clamped in place or not, meanwhile, a pressure sensor at the tail end of the second rack senses clamping force through a spring buffer structure, and the inductor is prevented from being damaged by too large pressure; and the full-period accurate monitoring of the inductor positioning and winding process is realized.
Owner:湖南锦络电子股份有限公司

A transformer winding production processing device and a processing method thereof

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.
Owner:XIANNING FENGYUAN HIGH TECH ELECTRIC CO LTD

Drying equipment for packaging inductance wire winding

The utility model discloses a drying device for inductance wire winding packaging, which comprises a post-packaging drying box, a wire drying box and an inductance core drying box, the post-packaging drying box, the inductance core drying box and the wire drying box are separately arranged, the post-packaging drying box is used for winding an inductor and drying the inductor after packaging, and the inductance core drying box is used for drying the inductor after packaging. The inductor core drying box is installed on inductor winding equipment and located below an inductor in the winding process, the wire drying box is located beside the inductor winding equipment, and a wire in the inductor winding process firstly penetrates through the wire drying box and then enters the inductor winding equipment. According to the drying equipment, drying is conducted from the wire feeding position, the winding position and the packaging position, the interior and the exterior of the inductor are completely dried, and the drying efficiency can be improved.
Owner:HUAIAN SANTUO ELECTRONICS CO LTD

Stacking and feeding collaborative operation system and method for cylindrical inductor winding

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.
Owner:四川并济科技有限公司

System and method for controlling a machine for forming conductor elements of an inductive winding of a stator

A system for controlling a machine for forming conductor elements of an inductive winding of a stator, which comprises:a 3D vision device which is configured to generate a 3D reconstruction of each conductor element produced by the forming machine; anda monitoring device which is operatively connected to the 3D vision device and operatively connectable to the forming machine;where the monitoring device comprises:a measurement analysis module which is configured to assess at least one monitored characteristic measure of conductor elements that are produced by the forming machine; anda parameter correction module which is configured to correct one or more parameters of forming instructions that are executed by the forming machine.
Owner:ATOP SPA

Stripping knife device for inductor winding production

The utility model discloses a stripping knife device for inductance winding production, which comprises a main knife rod and a plurality of knife handles arranged around the main knife rod, the middle parts of the knife handles are rotatably connected to the upper part of the main knife rod, the gravity centers of the knife handles are positioned at the lower parts of the knife handles, and knife grains with knife edges are arranged at the upper ends of the knife handles. The lower portion of the main cutter rod is rotationally connected with a limiting chuck, a guide structure used for guiding the lower ends of the cutter handles to synchronously swing inwards and outwards is arranged between the limiting chuck and the lower ends of the cutter handles, and a torsional spring connecting the limiting chuck and the main cutter rod is arranged between the limiting chuck and the main cutter rod. The utility model has the advantages of simple structure, low cost and high efficiency.
Owner:ZHONGSHAN COMPETENT AUTOMATION EQUIP CO LTD

A winding inductance heat transfer encapsulation structure and method

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.
Owner:XIAN MICROELECTRONICS TECH INST

An automatic winding device for inductors

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.
Owner:HUBEI RUIYUAN ELECTRONICS CO LTD

Supporting device for binding machine

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.
Owner:JIANGYIN BEIGUO PACKING EQUIP

Winding structure of power inductor

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.
Owner:WUHAN NAIWEI INFORMATION TECHNOLOGY CO LTD

Common mode choke parameter design method

The invention discloses a common-mode inductor parameter design method, which relates to the technical field of power electronics, and comprises the following steps: selecting a magnetic core material, determining basic parameters of a magnetic core and a common-mode inductor winding, and determining the width of a copper bar of the common-mode inductor winding according to busbar current, current density and copper bar thickness; and the length, the width and the height of the magnetic core are determined according to the mutual distances among the copper bars, the magnetic core shell and the magnetic core body and the width of the magnetic core body. According to the method, the size of the magnetic core of the common-mode inductor is minimized through parameterization design and the optimization process, in the design process, the size of the magnetic core is analyzed, derivation solution is conducted on the size of the magnetic core, the width of a magnetic core body with the minimum size is found, and the optimization method not only considers the inductance value and the current bearing capacity of the magnetic core, but also considers the current bearing capacity of the magnetic core. And the requirements of heat dissipation and electromagnetic shielding are also considered, the size of the magnetic core is minimized, so that the common-mode inductor can efficiently operate in a limited space, and the compactness and the integration degree of an electric drive system are remarkably improved.
Owner:XIDIAN UNIV HANGZHOU RES INST +1