40results about How to "Increase the magnetic field density" patented technology

A primary conductor arrangement for a system for the inductive transmission of electrical energy, wherein the conductor arrangement includes an outgoing line and a return line that extend parallel to one another and can be connected to a current source in order to apply an electric current to the outgoing line and the return line. The conductor arrangement is divided into a plurality of adjacent sections, wherein each section contains an outgoing line and a return line as well as connection lines that connect the outgoing line and the return line. The sections are arranged relative to one another such that two adjacent sections overlap in a region near their connection line.

The invention relates to a direct drive type wind turbine generator system, comprising a frame, a main shaft, a hub and a power generator, wherein a rotor magnetic exciting coil of the power generator adopts a superconducting magnetic exciting coil. Since the direct drive type wind turbine generator system adopts a direct drive type structure, a high temperature superconducting power generator, and a main shaft layout form with double bearings, the weight and the size of a motor and the weight of a cabin can be decreased greatly, the loads on a tower frame of the system and a foundation can be reduced, and the bending moments of the main shaft and the bearings can be decreased; and therefore, the economy and the reliability of system operation are improved.

The invention discloses a vibration sounding device and an electronic product. The device comprises a shell, a fixing piece and a driving assembly, at least part of the shell is configured to vibraterelative to the fixing piece; the driving assembly comprises at least one coil and a Halbach magnet, the coil is fixedly connected with the fixing piece, the Halbach magnet is fixedly connected with the shell, or the Halbach magnet is fixedly connected with the fixing piece, and the coil is fixedly connected with the shell, wherein the plane where the coil is located is perpendicular to the part,used for vibration, of the shell, the coil is located on the side portion of the Halbach magnet, the annular end face of the coil faces the Halbach magnet, and the coil penetrates through a magnetic field enhancement area of the Halbach magnet.

The present invention relates to anaxial magnetic flux permanent magnet motor which comprises a first stator, a first rotor, a second stator, a second rotor and a third stator, which are sequentiallyarranged in the axial direction to form a three-stator double-rotor sandwich structure; iron cores are arranged on the outer sides of the first stator and the third stator; the second stator is of a double-layer structure, and an iron core is arranged in the middle; the first rotor and the second rotor are the same in structure and each comprise nine brushless windings arranged in the circumferential direction, wherein the nine brushless windings form a circular ring, and a magnetic field is generated in the rotating process. The axial magnetic field permanent magnet synchronous motor is usedas the high-voltage circuit breaker driving motor, the saturation degree of the iron core is reduced, so that the output torque is improved, the rotational inertia is reduced, and the voltage class ofthe high-voltage circuit breaker driven by the motor can be further improved. In addition, the fixed material density of the winding is relatively low, so that the dynamic response of the motor-driven high-voltage circuit breaker can be improved.

The invention provides a low-temperature back-field magnet and a high-temperature superconductive unit alternating-current loss measuring device. The low-temperature back-field magnet comprises a non-magnetic-conductive spacing layer, a left low-temperature superconductive coil magnetic body and a right low-temperature superconductive coil magnetic body, wherein the center of the non-magnetic-conductive spacing layer is provided with a through hole which is through along the radial direction; the left low-temperature superconductive coil magnetic body comprises M coil layers Ri sequentially sleeved coaxially; the coil layers Ri of the left low-temperature superconductive coil magnetic body are correspondingly connected in series with coil layers Li of the right low-temperature superconductive coil magnetic body to form a merged coil layer Wi, wherein the merged coil layer Wi and a merged coil layer W(i+1) are sequentially connected in series to form a whole coil; and in the using process, the whole coil is connected to the two sides of a direct-current power source, and a back magnetic field with preset intensity is generated in the through hole. According to the low-temperature back-field magnet, magnetic field density is high, and magnetic field intensity adjustment is convenient. Through the high-temperature superconductive unit alternating-current loss measuring device, measurement is convenient, flexible, fast and accurate.

The invention relates to a linear compressor, and specifically provides a linear compressor comprising an outer stator, an inner stator arranged in the radial inner side of the outer stator at a preset gap, and a front flange arranged on the axial side of the outer stator; specially, the inner stator is provided with a coil; the axial length of the outer stator is bigger than that of the inner stator, thus reducing or preventing magnetic field, generated by the coil, from leaking outside the inner and outer stator; the inner periphery, close to the end portion of the front flange of the linear compressor, of the outer stator is provided with a groove. In the axial direction of the linear compressor, the outer stator is bigger in length than the inner stator, thus greatly reducing or preventing magnetic field, generated by the coil, from leaking outside the inner and outer stator, improving magnetic field density in the inner and outer stators, and obviously improving linear compressor efficiency.

The present invention provides a magnetic module for electron cyclotron resonance (ECR) and ECR apparatus using the magnetic module, wherein the magnetic module comprises a plurality of layers of supporting ring and a plurality of magnetic pillars. Each of the supporting rings has an outer surface and an inner surface and has a plurality of through holes radially disposed inside the supporting ring. The plurality of pillars are respectively embedded into the plurality of through holes of each supporting ring and magnetic fields of the magnetic pillars in each two adjacent supporting ring are respectively opposite to each other. The ECR apparatus of the present invention is capable of being operated under lower pressure environment for forming a single atom layer on a substrate.

The invention relates to a linear permanent magnet motor operating mechanism of a high-voltage circuit breaker, comprising a stator core, a rotor core, drive rods and permanent magnets, wherein the stator core is a box body; the rotor core is arranged in the stator core; the drive rods arranged on both ends of the rotor core penetrate through shells positioned on the upper and the lower ends of the rotor core and can move up and down; the side wall of the stator core is provided with the permanent magnets; upper and lower adjacent permanent magnets are opposite in polarity; the permanent magnets positioned on the left and the right edges of the box body are same in polarity placement directions; stator salient poles with the number of integral multiples of a phase number are arranged on the inner side wall of the stator core and between the two adjacent permanents and are provided with armature coils; the outer side wall of the rotor core is provided with rotor salient poles; when therotor core is positioned on a highest position, the stator salient pole positioned on the uppermost end of the stator core just faces to the rotor salient poles; and when the rotor core is positionedon a lowest position, the stator salient pole positioned on the lowest end of the stator core just faces to the rotor salient poles.

The invention discloses a novel method of permanent magnet equipment. Aiming at the states of heavy weight, high cost, wide magnetic pole and high conversion force for magnetization and demagnetization occurring in application of an existing permanent-magnet material in a lift device, a planar suction plate and a welding positioning technology, a method for achieving magnetization and demagnetization by also using a rotation or translation mode to achieve open-close circulation of a magnetic field without digging holes in an inner magnetic pole and an outer magnetic pole is provided. The permanent-magnet material has the advantages of lower cost, lighter weight, large magnetic field density and smaller conversion force, and can be conveniently fabricated to various large-size or small-size light magnetic equipment.

Disclosed is a superconductive synchronous motor. A superconductive coil is fixed in a cylindrical sealed rotor inner cavity; a sealed outer cover covers the rotor inner cavity; a vacuum nozzle is arranged on the outer cover; the outer cover is fixed on a stator shell through a bearing; one end of the rotor inner cavity and one end of the outer cover are connected with a rotating connector; the other end of the rotating connector is simultaneously connected with a refrigerant feeding pipe and a refrigerant discharging pipe; the other end of the rotor inner cavity is fixedly connected with the other end of the outer cover; two leading-out ends of the superconductive coil are connected with the inner end of a copper sheet; the copper sheet penetrates in the rotor inner cavity and the outer end of the outer cover and then is connected with a power source through a power line; and the two leading-out ends of the superconductive coil are also connected with a superconductive switch. According to the specific connection structure of the superconductive synchronous motor, a superconductive wire of the superconductive switch is connected with the two leading-out ends of the superconductive coil; a section of the superconductive wire clings to a heater; and a power line of the heater penetrates in the rotor inner cavity and the outer cover and then is connected with a power source of the heater. The superconductive synchronous motor is high in reliability, high in efficiency and long in service life.

The invention discloses a plastic electronic horn. A common car horn uses an iron shell, and an iron gland bush is riveted with a steel membrane to form a sound-producing device. The horn with the structure has high cost, heavy weight, complex manufacture craft, high energy consumption, common sound effect and not high enough sound level. The invention comprises a coil (4); the coil (4) is linkedwith an iron bowl (6); the iron bowl (6) is linked with a plastic shell (5); and the opening of the iron bowl (6) is linked with a steel vibrating sheet (3). The invention relates to an electronic horn used for a car.

The invention provides an AC power generator comprising a body, a rotating shaft, circularly-annular stators, and rotors. The body is formed by assembling a housing, a front end cover, and a rear end cover. The rotating shaft passes through the front end cover and the rear end cover through a bearing. The stators are installed on the inner wall of the housing at intervals and comprise multiple coils. The coils and iron-free coil seats are formed by die casting and the coils are connected through connecting lines. The rotating shaft passes through the rotors. The rotors and the stator are successively arranged alternately. The rotor comprises a pedestal and multiple permanent magnets installed on both sides of the pedestal and having different polarities. The permanent magnets between adjacent rotors have different polarities. When the rotating shaft is driven to rotate, the coils of the stators cut magnetic lines formed by the rotors so as to generate electromotive force. Compared with a conventional AC power generator, the AC power generator is decreased in size and weight by multiple times, simpler in structure, easier to install and uninstall, greatly increased in power generation efficiency, low in running torque, low in driving rotating speed, and higher in energy efficiency.

The invention specifically provides a low-power-consumption high-precision electromagnetic heat meter. The low-power-consumption high-precision electromagnetic heat meter comprises a mechanical rectifier body, an electromagnetic drive signal collecting structure and a control and display structure. The electromagnetic drive signal collecting structure is fixed to the front end of the mechanical rectifier body through a flange, the control and display structure is arranged outside the mechanical rectifier body and the electromagnetic drive signal collecting structure, and the control and display structure is electrically connected with the electromagnetic drive signal collecting structure. The low-power-consumption high-precision electromagnetic heat meter has the following advantages that the magnetic field intensity is large, strength is large, power consumption is low, and the overall efficiency of the low-power-consumption high-precision electromagnetic heat meter is improved; it can be effectively guaranteed that an excitation coil is stably fixed to the outer wall of a pipe, the arousal effect on liquid is better, and the measuring precision of the heat meter is improved; an integral structure is adopted, and therefore the pipeline liquid tightness is effectively improved; the Reynolds coefficient of fluid is reduced.

The invention belongs to an integrated proximity switch and a processing method thereof, particularly relates to an integrated proximity switch, a proximity switch system and a proximity switch manufacturing method, and solves the technical problems of incapability of realizing full-automatic standard production and large size of a Hall proximity switch in the prior art. The integrated proximity switch comprises a Hall integrated circuit and a magnetic thin film layer arranged on the back surface of the Hall integrated circuit, an insulating layer is arranged between the Hall integrated circuit and the magnetic thin film layer, and an N pole of the magnetic thin film layer is arranged above an S pole of the magnetic thin film or the S pole of the magnetic thin film is arranged above the Npole of the magnetic thin film layer; the Hall integrated circuit, the insulating layer and the magnetic thin film layer are packaged into a whole; or the magnetic film layer is replaced by a magnet.According to the machining method of the integrated proximity switch, the magnetic film layer or the magnet is integrated on the Hall integrated circuit in a sputtering or pasting mode. The integratedproximity switch can also be used for an integrated proximity switch system, and the magnetic object and the integrated proximity switch are oppositely arranged.

The invention provides a health-care spectacle frame designed by using far infrared, high-intensity magnetic field and acupoint body-building theories. Combining bodies embedded with far infrared materials and high-intensity magnetic field permanent fields on a frame of the spectacle frame are aligned to tongziliao, qiuhou, chengqi, sizhukong, yuyao, zansi and jingming acupoints of the eyes, and combining bodies embedded with far infrared materials and high-intensity magnetic field permanent magnets on foot frames of feet are aligned to temple acupoints of the brain. Because the combining bodies embedded with the far infrared materials and the high-intensity magnetic field permanent fields are close to the acupoints of the eyes, the foot stools of the feet are very close to the temple acupoints, most of energy of a high-intensity magnetic field and far infrared rays is absorbed by skins of the acupoints of the eyes and the brain, and thus the health care function of the eyes and the brain is effectively improved, and a health care function can also be achieved for the skins of the eyes. The health-care spectacle frame is designed by adopting a theory of playing an iron oxidization detoxifying function of an N pole of the magnetic field to the red blood cells of a human body, proposed by an American doctor Linus Pauling winning a Nobel prize.

The invention discloses a plastic electronic horn. A common car horn uses an iron shell, and an iron gland bush is riveted with a steel membrane to form a sound-producing device. The horn with the structure has high cost, heavy weight, complex manufacture craft, high energy consumption, common sound effect and not high enough sound level. The invention comprises a coil (4); the coil (4) is linkedwith an iron bowl (6); the iron bowl (6) is linked with a plastic shell (5); and the opening of the iron bowl (6) is linked with a steel vibrating sheet (3). The invention relates to an electronic horn used for a car.

The invention discloses a rotor of a disk-type permanent magnet motor and a disk-type permanent magnet motor applying the same. The rotor includes a first rotor iron core, a second rotor iron core and a magnetic tile, and the first rotor iron core includes a first annular ring and the first magnetic conductive block, two adjacent first magnetic conductive blocks form a first groove; the second rotor core includes a second annular ring and a second magnetic conductive block, and two adjacent second magnetic conductive blocks form a second groove A left magnetic steel slot and a right magnetic steel slot are formed between the two sides of the second magnetic conductive block and the adjacent two first magnetic conductive blocks, and the first top surface of the second magnetic conductive block is lower than the phase The second top surfaces of the two first magnetic conductive blocks are adjacent to form the top surface magnetic steel groove; the magnetic tile includes the top magnetic steel, the left magnetic steel and the right magnetic steel, the top magnetic steel is embedded in the top magnetic steel groove, and the left magnetic steel is embedded in the top magnetic steel groove. The side magnet steel and the right magnet steel are embedded in the left magnet steel slot and the right magnet steel slot; the hybrid magnetization of the rotor is realized, the magnetization effect of the motor is improved, the number of assembled parts of the rotor is reduced, and the difficulty of the rotor manufacturing process is reduced. , improve the production efficiency of the rotor.

Disclosed in the present invention are a vibrating sound production apparatus and an electronic product. The apparatus comprises a housing, a fixed piece, and a driving assembly. At least a portion of the housing is configured to vibrate relative to the fixed piece. The driving assembly comprises at least one wire coil and a Halbach magnet, the wire coil being fixedly connected to the fixed piece and the Halbach magnet being fixedly connected to the housing, or the Halbach magnet being fixedly connected to the fixed piece and the wire coil being fixedly connected to the housing. The plane on which the wire coil is located is perpendicular to the portion of the housing used for vibration, the wire coil is positioned at a side portion of the Halbach magnet, an annular end surface of the wire coil faces the Halbach magnet, and the wire coil passes through the strengthened region of the magnetic field of the Halbach magnet.

The invention discloses a circuit breaker arc-extinguishing device. The circuit breaker arc-extinguishing device comprises a movable contact, a static contact, an arc-inducing piece, a magnetizing block and an arc extinguishing chamber. The front end of the arc extinguishing chamber is provided with an arc-extinguishing grating, the movable contact is located at the upper portion of the static contact, the head of the front end of the arc-inducing piece is fixedly installed on the static contact, the middle portion and the tail portion of the arc-inducing piece are suspended, the tail portionof the arc-inducing piece is extended to the lower portion of the arc-extinguishing grating, there is a gap between the front end of the arc-extinguishing grating and the static contact, the magnetizing block is arranged in the gap, and the magnetizing block is fixedly installed on the static contact. Charged particles in the arc quickly enter the direction of the arc extinguishing chamber along the arc-inducing piece of the copper materials, the magnetizing block can improve the power of the density of the magnetic field to enhance the magnetic field so as to increase the electric power in the tangential direction, and therefore, the simultaneous effects of the electric field and the magnetic field can improve the movement speed of the arc in the tangential direction to enter the arc extinguishing chamber in a shorter time.

The invention provides a long-stroke linear permanent magnet motor operation mechanism of a high-voltage breaker. Long-stroke linear permanent magnet motor operation mechanism of high-voltage breaker is characterized in that the operation mechanism comprises a stator core, a rotor core, a driving rod and a permanent magnet, wherein the stator core is a box body; the rotor core is disposed in the stator core; the driving rod disposed at two ends of the rotor core passes through the upper and lower end shells of the stator core and can move up and down; the inner side wall of the stator core isprovided with a stator salient pole; the permanent magnet is disposed in the stator salient pole; the polarities of the upper and lower adjacent permanent magnets are opposite; the polarity arrangingdirections of the permanent magnets at left and right sides of the box body are the same; the stator salient pole is provided with an armature coil; the top part of the stator salient pole is provided with a pole shoe; the outer side wall of the rotor core is provided with a rotor salient pole; when the rotor core is located at the highest position, the lower half section of the stator salient pole at the uppermost end of the stator core faces the rotor salient pole; when the rotor core is located at the lowest position, the upper half section of stator salient pole at the lowest end of the stator core faces the rotor salient pole.

The invention relates to a DC motor, in particular to a ship propulsion DC motor. According to the technical solution provided by the present invention, the ship propulsion DC motor includes a left end cover arranged at the left end of the machine base, and a right end cover arranged at the right end of the machine base, the left end of the main shaft is installed on the left end cover by the first bearing, and the main shaft The right end is installed on the right end cover by the second bearing; and, the right end of the main shaft protrudes from the right end cover to form a shaft extension end; the rotor is installed on a section where the main shaft is located in the base, and the inner wall of the base corresponds to the rotor. Stator, the stator surrounds the periphery of the rotor; it is characterized in that: a pressure plate is connected to the left end of the main shaft, an annular angle ring is arranged between the left side of the inner ring of the first bearing and the pressure plate, and the first bearing The right side is provided with a bearing inner cover fixed on the inner wall of the left end cover, and the center of the bearing inner cover has a shaft hole. The direct current motor can solve the power problem of electric propulsion of domestic small work boats.

The invention discloses a novel method of permanent magnet equipment. Aiming at the states of heavy weight, high cost, wide magnetic pole and high conversion force for magnetization and demagnetization occurring in application of an existing permanent-magnet material in a lift device, a planar suction plate and a welding positioning technology, a method for achieving magnetization and demagnetization by also using a rotation or translation mode to achieve open-close circulation of a magnetic field without digging holes in an inner magnetic pole and an outer magnetic pole is provided. The permanent-magnet material has the advantages of lower cost, lighter weight, large magnetic field density and smaller conversion force, and can be conveniently fabricated to various large-size or small-size light magnetic equipment.

The invention discloses a wind driven generator capable of outputting in various modes, comprising more than two power generation modules, a rotary shaft and an impeller, wherein each power generation module comprises a coil component and magnetic steel components, the magnetic steel components are arranged outside the two sides of the corresponding coil component, each coil component is disc-shaped, a circuit used for cutting magnetic induction lines is arranged on each disc-shaped coil component, each magnetic steel component comprises magnetic steel and a magnet yoke, the magnetic steel and the yokes are disc-shaped, multiple magnetic poles are uniformly arranged on each magnetic steel at intervals, each magnetic steel is arranged at one side of the corresponding yoke, one surface of each yoke, where the corresponding magnetic steel is arranged, faces the corresponding coil component, a rotary shaft penetrates through each coil component and the circle centers of the corresponding magnetic steel components at the two sides of the coil component, the circle center of the magnet yoke of each magnetic steel component is connected with the rotary shaft, the impeller is connected to the rotary shaft, and the power generation modules are connected in series or in parallel. By adopting the design of the invention, the magnetic field is great in density and high in uniformity; coils can realize multi-group output and can be combined freely; and the wind energy utilization rate is high, and the starting wind power is low.

The invention discloses a performance gain structure of a transmission coil and a design method thereof, a receiving module and a transmitting module have the same structure and are symmetrically arranged, the receiving module comprises a substrate skeleton made of an insulating material, a coil is wound on the substrate skeleton, only a part for supporting the coil is reserved on the substrate skeleton, the rest part of the substrate skeleton is hollowed out, and the receiving module is connected with the transmitting module. A magnetic partition plate is installed on the side, away from the coil, of the substrate framework, and a plurality of holes are evenly formed in the magnetic partition plate. The coupling transmission efficiency of the coil is improved, the heat dissipation performance of the coil is improved, and the design flexibility and flexibility of the coil module are enhanced.

The invention relates to an axial flux permanent magnet motor used for a high-voltage circuit breaker and its use, comprising a first stator, a first rotor, a second stator, a second rotor and a third stator arranged in sequence along the axial direction, A sandwich structure with three stators and two rotors is formed; iron cores are arranged on the outside of the first stator and the third stator; the second stator is a double-layer structure, and an iron core is arranged in the middle; the first rotor and the second rotor have the same structure, Both include nine brushless windings of three phases arranged in the circumferential direction, the nine brushless windings form a ring, and a magnetic field is generated during rotation. The invention adopts the axial magnetic field permanent magnet synchronous motor as the driving motor of the high-voltage circuit breaker, which reduces the saturation degree of the iron core, thus increases the output torque and reduces the moment of inertia, and further improves the voltage level of the high-voltage circuit breaker driven by the motor. The fixed material density of the winding is relatively low, which can improve the dynamic response of the motor-driven high-voltage circuit breaker.

The invention discloses a repulsion mechanism for an ultra-fast circuit breaker, which includes a repulsion coil, a repulsion disk and a mechanism shaft. The repulsion coil includes a chassis, an insulating frame, a coil winding, an iron core, and a fixing screw. The repulsion disk includes a main Disc, repulsion disc skeleton and riveted two fixing parts; compared with the prior art scheme, the overall design of the present invention is more compact, and optimizes the magnetic field distribution of the fast repulsion mechanism, improves the utilization efficiency of the electromagnetic energy of the repulsion mechanism, The requirement for energy storage in the drive circuit is reduced, thereby reducing size and cost.

Disclosed is a superconductive synchronous motor. A superconductive coil is fixed in a cylindrical sealed rotor inner cavity; a sealed outer cover covers the rotor inner cavity; a vacuum nozzle is arranged on the outer cover; the outer cover is fixed on a stator shell through a bearing; one end of the rotor inner cavity and one end of the outer cover are connected with a rotating connector; the other end of the rotating connector is simultaneously connected with a refrigerant feeding pipe and a refrigerant discharging pipe; the other end of the rotor inner cavity is fixedly connected with the other end of the outer cover; two leading-out ends of the superconductive coil are connected with the inner end of a copper sheet; the copper sheet penetrates in the rotor inner cavity and the outer end of the outer cover and then is connected with a power source through a power line; and the two leading-out ends of the superconductive coil are also connected with a superconductive switch. According to the specific connection structure of the superconductive synchronous motor, a superconductive wire of the superconductive switch is connected with the two leading-out ends of the superconductive coil; a section of the superconductive wire clings to a heater; and a power line of the heater penetrates in the rotor inner cavity and the outer cover and then is connected with a power source of the heater. The superconductive synchronous motor is high in reliability, high in efficiency and long in service life.

The invention relates to a wind power generator, which comprises a coil assembly, magnetic steel assemblies, a rotating shaft and an impeller, wherein the magnetic steel assemblies are arranged at two sides of the coil assembly; the coil assembly is shaped as a disc, and the disc-shaped coil assembly is provided with a circuit for cutting magnetic induction lines; each magnetic steel assembly comprises magnetic steel and a magnetic yoke which are respectively shaped as a disc, a plurality of magnetic poles are uniformly arranged on each magnetic steel at intervals, each magnetic steel is arranged at one side of each magnetic yoke, one surface, where each magnetic steel is arranged, on each magnetic yoke, faces to the coil assembly; the rotating shaft passes through the coil assembly and the circle centers of the magnetic steel assemblies at two sides of the coil assembly, and the circle center of the magnetic yoke of each magnetic steel assembly is connected with the rotating shaft; and the impeller is connected to the rotating shaft. The wind power generator disclosed by invention has the advantages of high magnetic field density, high uniformity, capability of realizing multigroup input and free combination of coils, high wind power utilization rate and low start wind power.

The invention relates to the technical field of electronic components, and particularly discloses a magnetic element and a preparation method thereof. The magnetic element includes a columnar magneticcore, a wire, and a magnetic body. The wire is provided with a coil section wound at the periphery of the columnar magnetic core and a connecting section led out from the end part of the coil section; the magnetic body at least wraps the columnar magnetic core and the coil section of the wire, and the connecting section of the wire is at least partially exposed out of the magnetic body. The arrangement of the columnar magnetic core effectively increases the magnetic field density of the center of the coil section and is beneficial to ensure that the magnetic performance of the magnetic element is optimized. The magnetic core is arranged to be columnar, so that the winding of the coil section is facilitated. Furthermore, the connecting section does not need to be connected with a lead frame; therefore, the position of the connecting section is not limited by the lead frame, that is, the end part of the coil section can be not limited by the lead frame, the coil section can be set to the actually required size, and the coil section can be set to the maximum extent, so that the magnetic performance of the magnetic element is further improved, and the effect of optimizing the energy conversion and storage performance of the magnetic element is achieved.