CN211181818U

CN211181818U - Double-magnet patch inductor

Info

Publication number: CN211181818U
Application number: CN201922015936.2U
Authority: CN
Inventors: 田林
Original assignee: Shenzhen Yi Gan Science And Technology Co ltd
Current assignee: Shenzhen Yi Gan Science And Technology Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-08-04
Anticipated expiration: 2029-11-21

Abstract

The utility model relates to a two magnet paster inductance, including interior magnet, coil and outer magnet, its characterized in that: the inner magnet comprises an R rod, the R rod is made of ferrite materials, the coil is wound outside the R rod, leads are symmetrically welded on two sides of one end of the coil, the outer magnet is positioned outside the coil and the inner magnet and is formed by die pressing of soft magnetic alloy materials, the inner magnet and the coil are positioned inside the outer magnet in an embedded embedding mode, grooves are symmetrically formed in the middle positions of two ends of the lower surface of the outer magnet, the depth of each groove is smaller than the thickness of each lead, one end of each lead is connected with the coil, the other end of each lead protrudes outwards to the outside of the outer magnet, and the leads are continuously bent twice and positioned in the grooves; the utility model has the advantages of stable structure and good use effect.

Description

Double-magnet patch inductor

Technical Field

The utility model belongs to the electronic components field, concretely relates to double-magnet paster inductance.

Background

The inductor is an element which can convert electric energy into magnetic energy to be stored, and the structure of the inductor is similar to that of a transformer, but only one winding is arranged; the inductor generally comprises a combined inductor and a patch die-pressing inductor, wherein the combined inductor is formed by assembling an iron core, a winding and a shielding cover, and has the advantages of simple manufacturing process and low manufacturing cost, and has the defect of larger volume and unsuitability for a modern miniaturized integrated circuit; meanwhile, the iron core in the combined inductor is made of ferrite materials, the surface mounted device die-pressed inductor is made of soft magnetic alloy powder, and the combined inductor has advantages and disadvantages in the use process due to different materials; therefore, in order to solve the above problems, it is necessary to develop a dual-magnet chip inductor having a stable structure and good use effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, and provide a stable in structure and excellent in use effect's two magnet paster inductance.

The purpose of the utility model is realized like this: the utility model provides a two magnet paster inductance, includes interior magnet, coil and outer magnet, interior magnet includes the R stick, and the R stick adopts ferrite material to make, the coil is around locating the outside of R stick, and the both sides of coil one end are symmetry form welding and have the lead wire, the outer magnet is located the outside of coil and interior magnet, and it forms through soft magnetic alloy material mould pressing, and interior magnet and coil are located the inside of outer magnet through the embedded mode of inlaying, the intermediate position at outer magnet lower surface both ends is symmetry form and is provided with the recess, the degree of depth of recess is less than the thickness of lead wire, lead wire one end is connected with the coil, and the outside of other end outside protrusion to outer magnet to it is located the recess to carry out twice bending continuously.

The length direction of the R rod is consistent with the thickness direction of the outer magnet.

The interior magnet still includes the support pedestal, the support pedestal is located the lower extreme of R stick to be vertical form fixed connection with the R stick, the support pedestal also all adopts ferrite material to make, R stick and support pedestal are whole to be the type of falling T structure.

One end of the lead is fixedly welded with the coil, the other end of the lead protrudes outwards to the outside of the outer magnet, and the process is continuously carried out twice 90 times downwards and inwards^oAnd the bent part is positioned in the groove.

The coil is oval, racetrack-shaped, round or square, and is wound and sleeved outside the R rod matched with the structure of the coil.

The utility model has the advantages that: the utility model discloses well interior magnet includes R stick and support pedestal, and R stick and support pedestal wholly are the type of falling T structure, and during the use, utilize the R stick to twine the coil, utilize the support pedestal to carry out spacing to the coil, increased the stability of connecting between interior magnet and the coil and the utility model discloses the convenience of operation when the mould pressing adds; meanwhile, the utility model discloses well R stick and support pedestal all adopt ferrite material, and the outer magnet adopts soft magnetic alloy material, because ferrite material has higher magnetic conductivity and lower iron loss performance, the utility model adopts this structure, wholly uses soft magnetic alloy material with conventional mould pressing inductance and compares, under the prerequisite that inductance value is certain, can effectual reduction component direct current resistance and iron loss, promote the work efficiency of product, increased the utility model discloses a result of use; moreover, the utility model discloses the external magnet is located the outside of interior magnet, and it leads to soft magnetic alloy powder material mould pressing to form, and interior magnet and coil are located the inside of external magnet through the mode of embedding, adopt this structure, can make form compact, gapless, safe seamless driving fit's muddy integrative structure between interior magnet, coil and the external magnet, improved the utility model discloses stability when using has increased its ability and the ability of nai moist of bearing cold and hot impact; generally, the utility model has the advantages of stable in structure and excellent in use effect.

Drawings

Fig. 1 is a sectional view of a front view of the present invention.

In the figure: 1. the magnetic core comprises an inner magnet 2, a coil 3, an outer magnet 4, an R rod 5, a support pedestal 6, a lead 7 and a groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example (b): as shown in fig. 1, a double-magnet patch inductor includes an inner magnet 1, a coil 2 and an outer magnet 3, where the inner magnet 2 includes an R rod 4, the R rod 4 is made of ferrite material, the coil 2 is wound outside the R rod 4, the inner magnet 1 further includes a support pedestal 5, the support pedestal 5 is located at a lower end of the R rod 4 and is vertically and fixedly connected with the R rod 4, the support pedestal 5 is also made of ferrite material, and the R rod 4 and the support pedestal 5 are integrally in an inverted T-shaped structure; the two sides of one end of the coil 2 are symmetrically welded with leads 6, the outer magnet 3 is positioned outside the coil 2 and the inner magnet 1 and is formed by molding a soft magnetic alloy material, the inner magnet 1 and the coil 2 are positioned inside the outer magnet 3 in an embedded mode, grooves 7 are symmetrically arranged in the middle of the two ends of the lower surface of the outer magnet 3, the depth of each groove 7 is smaller than the thickness of each lead 6, one end of each lead 6 is fixedly welded with the coil 2, the other end of each lead protrudes outwards to the outside of the outer magnet 3, and 90 times of continuous downward and inward twice are carried out^oAfter being bent, the bent part is positioned in the groove 7; the length direction of the R rod 4 is consistent with the thickness direction of the outer magnet 3; the coil 2 is oval, racetrack-shaped, round or square, and is wound and sleeved outside the R rod 4 matched with the structure of the coil.

The utility model discloses in interior magnet 1 includes R stick 4 and support pedestal 5, and R stick 4 and support pedestal 5 wholly are the type of falling T structure, during the use, through at the outside winding coil 2 of R stick 4 to utilize support pedestal 5 to carry out spacing to coil 2, increased the stability of connecting between interior magnet 1 and coil 2 and the utility model discloses the convenience of operation when the mould pressing is processed; meanwhile, when the conventional die pressing inductor works actually, the product loss mainly comes from the copper loss of the coil 2 and the iron loss of the magnetic material, the iron loss of the power inductor can be effectively reduced by adopting the magnetic material with lower iron loss, and the copper loss of the coil 2 can be reduced by reducing the resistance of the coil 2; the utility model discloses well R stick 4 and support pedestal 5 all adopt ferrite material, and outer magnet 3 adopts soft magnetic alloy material, because ferrite material has higher magnetic conductivity and lower iron loss performance, the utility model adopts this structure, compare with conventional mould pressing inductance, under the prerequisite of inductance value certain, can effectually reduce the direct current resistance and the iron loss of component, promote the work efficiency of product, increase its result of use; furthermore, the utility model discloses in interior magnet 1 and coil 2 through the embedded mode of inlaying lie in the inside of outer magnet 3, and through the mould pressing pressfitting, form compact, zero clearance, safe seamless driving's a whole structure between messenger's interior magnet 1, coil 2 and the outer magnet 3, when having avoided flowing through the high-frequency current signal on coil 2, produce the noise because of high-frequency vibration, simultaneously, utilize the embedded structure of inlaying, when the product receives vibrations, pressure, collision circumstances such as, can avoid appearing the problem of physical mechanical damage, mention the utility model discloses holistic stability when using, and, adopt the structure of integral type, also can increase the utility model discloses the ability of bearing cold and hot impact and the ability of resisting humidity; generally, the utility model has the advantages of stable in structure and excellent in use effect.

Claims

1. The utility model provides a two magnet paster inductance, includes interior magnet, coil and outer magnet, its characterized in that: the inner magnet comprises an R rod, the R rod is made of ferrite materials, the coil is wound outside the R rod, leads are symmetrically welded on two sides of one end of the coil, the outer magnet is located outside the coil and the inner magnet and is formed by die pressing of soft magnetic alloy materials, the inner magnet and the coil are located inside the outer magnet in an embedded embedding mode, grooves are symmetrically formed in the middle positions of two ends of the lower surface of the outer magnet, the depth of each groove is smaller than the thickness of each lead, one end of each lead is connected with the coil, the other end of each lead protrudes outwards to the outside of the outer magnet, and the leads are continuously bent twice and located in the grooves.

2. The double-magnet chip inductor as defined in claim 1, wherein: the length direction of the R rod is consistent with the thickness direction of the outer magnet.

3. A double-magnet chip inductor as claimed in claim 1 or 2, wherein: the interior magnet still includes the support pedestal, the support pedestal is located the lower extreme of R stick to be vertical form fixed connection with the R stick, the support pedestal also all adopts ferrite material to make, R stick and support pedestal are whole to be the type of falling T structure.

4. The double-magnet chip inductor as defined in claim 1, wherein: one end of the lead is fixedly welded with the coil, the other end of the lead protrudes outwards to the outside of the outer magnet, and the process is continuously carried out twice 90 times downwards and inwards^oAnd the bent part is positioned in the groove.

5. The double-magnet chip inductor as defined in claim 1, wherein: the coil is oval, racetrack-shaped, round or square, and is wound and sleeved outside the R rod matched with the structure of the coil.