CN210200498U - Novel pot-shaped magnetic powder core - Google Patents
Novel pot-shaped magnetic powder core Download PDFInfo
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- CN210200498U CN210200498U CN201920984511.XU CN201920984511U CN210200498U CN 210200498 U CN210200498 U CN 210200498U CN 201920984511 U CN201920984511 U CN 201920984511U CN 210200498 U CN210200498 U CN 210200498U
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Abstract
The utility model discloses a novel jar form magnetic powder core, its characterized in that includes top cap, center pillar, magnetic core, base, all be equipped with first annular groove on the side on top cap downside and the base, the center pillar is hollow cylinder, sets up the logical groove of vertical link up on the lateral surface, the upper portion and the lower part of center pillar are equipped with respectively with the first annular boss of first annular groove matched with on top cap, the base, in the magnetic core located the center pillar cavity, upper and lower both ends face respectively with top cap downside, base on side fixed connection. The utility model adopts a split structure, each part can be pressed and molded by a die or processed and manufactured, and each part can adopt different raw materials, and the comprehensive magnetic performance can be correspondingly adjusted according to the application requirements of different circuits through the combination of different materials; the production process is simple, the finished product rate of products is high, the pressure ring is not easy to be pressed, the production rate is improved, and the production cost is reduced.
Description
Technical Field
The utility model relates to an inductor design technical field especially relates to a novel jar form magnetic powder core.
Background
The pot-shaped magnetic powder cores for the traditional magnetic elements such as reactors, inductors, transformers and the like are integrally formed by punching, and because the magnetic powder has poor adhesion, in order to ensure the pressing forming, organic binders are added and uniformly stirred and then are pressed and formed, and the organic binders have natural aging phenomena, so that the application instability of the magnetic powder cores can be caused; in addition, since the conventional pot-shaped magnetic powder core is integrally molded, the product performance depends on the properties of the raw materials used, and cannot be changed after molding. The magnetic powder core has different raw materials and different performances, and can not meet the diversified requirements of circuit design in different application occasions.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned background technical problem, the utility model provides a novel pot-shaped magnetic powder core, adopt split type structure, divide pot-shaped magnetic powder core into top cap, center pillar, magnetic core and base, the center pillar can also be divided into a plurality of circular arc pieces to splice and form, every part can be pressed and formed alone, can process into the required shape through other ways too, greatly reduce the processing difficulty, can not need organic binder to press and form; meanwhile, different parts are assembled by adopting parts made of different raw materials according to the specific requirements on circuit application, so that the tank-shaped magnetic powder core with the best comprehensive performance is achieved.
In order to achieve the above object, the utility model provides a following technical scheme:
a novel pot-shaped magnetic powder core is characterized by comprising a top cover, a middle column, a magnetic core and a base, wherein the top cover and the base are solid cylinders, the lower side surface of the top cover and the upper side surface of the base are both provided with a first annular groove, the middle column is a hollow cylinder, the outer side surface is provided with a through groove which is vertically communicated, the upper part and the lower part of the middle post are respectively provided with a first annular boss matched with the first annular grooves on the top cover and the base, the first annular groove on the top cover is clamped with the first annular boss at the top of the middle column, the first annular groove on the base is clamped with the first annular boss at the bottom of the middle column, the magnetic core is arranged in the cavity of the middle column, and the magnetic core is coaxial with the center pillar cavity, the upper end face and the lower end face of the magnetic core are respectively fixedly connected with the lower side face of the top cover and the upper side face of the base, and a gap between the outer circular face of the magnetic core and the inner side face of the center pillar cavity is matched with the coil winding. The top cover, the middle column, the magnetic core and the base are all independently pressed or processed and formed, and are clamped with the boss through the grooves during assembly and then fixedly connected through the adhesive.
Further, the center pillar comprises a plurality of first circular arc blocks with the same shape and size, a groove is formed in one side face of the two side faces of each first circular arc block, a boss is arranged on the other side face of each first circular arc block, and every two adjacent first circular arc blocks are connected with the grooves in a clamped mode through the bosses. The first arc block is independently pressed or machined and formed, is clamped with the boss through the groove during assembly, and is then fixedly connected through the adhesive.
Further, the center pillar comprises upper strata, 1 ~ N intermediate level, lower floor, N is more than or equal to 1's natural number, upper strata upper portion be equipped with the top cap on first annular groove matched with annular boss, the bottom is equipped with second annular boss, intermediate level upper portion be equipped with second annular boss matched with second annular groove, the bottom is equipped with second annular boss, lower floor's upper portion be equipped with second annular boss matched with second annular groove, the bottom be equipped with first annular boss of first annular groove matched with. All layers are independently pressed or processed and formed, and are clamped with the bosses through the grooves during assembly and then fixedly connected through the adhesive.
Furthermore, the upper strata comprises a plurality of second circular arc blocks of unanimous shape size, be equipped with the recess on the both sides face side of second circular arc block, be equipped with the boss on the another side, every two adjacent second circular arc blocks pass through boss and recess joint. The second arc block is independently pressed or processed and formed, is clamped with the boss through the groove during assembly, and is then fixedly connected through the adhesive.
Furthermore, the intermediate level comprises a plurality of third arc blocks with the same shape and size, a groove is arranged on one side surface of the two side surfaces of each third arc block, a boss is arranged on the other side surface of each third arc block, and every two adjacent third arc blocks are connected with the grooves in a clamping mode through the bosses. The third arc block is independently pressed or processed and formed, is clamped with the boss through the groove during assembly, and is then fixedly connected through the adhesive.
Furthermore, the lower floor comprises a plurality of fourth arc blocks with the same shape and size, a groove is arranged on one side face of the two side faces of each fourth arc block, a boss is arranged on the other side face of each fourth arc block, and every two adjacent fourth arc blocks are connected with the grooves in a clamped mode through the bosses. The fourth arc block is independently pressed or processed and formed, is clamped with the boss through the groove during assembly, and is then fixedly connected through the adhesive.
Furthermore, the top cover, the magnetic core, the center pillar and the base can be made of the same or different soft magnetic materials, and can be made of one or more soft magnetic materials of iron-silicon-aluminum, iron-silicon-nickel, ferrite, iron powder, amorphous, nanocrystalline, iron-nickel and iron-nickel-molybdenum respectively.
Furthermore, the upper layer, the middle layer and the lower layer can adopt the same or different soft magnetic materials, and can respectively adopt one or more soft magnetic materials of iron-silicon-aluminum, iron-silicon-nickel, ferrite, iron powder, amorphous, nanocrystalline, iron-nickel and iron-nickel-molybdenum.
Compared with the prior art, the beneficial effects of the utility model are that: 1. adopt split type structure, fall into top cap, center pillar, magnetic core and base with jar form magnetic powder core, the center pillar still can fall into a plurality of circular arc pieces concatenations and form, and every part all can be the press forming alone, also can process into required shape through other modes. The processing difficulty is greatly reduced, the pressing forming can be carried out without organic adhesives, and the instability caused by aging of the organic adhesives is avoided; 2. the pot-shaped magnetic powder core is divided into a plurality of independent structures, the production process is simple, the finished product rate of products is high, the pressure is not easily pressed, the production rate is improved, and the production cost is reduced; 3. the split structure can change the materials of the center post, the top cover and the base according to the performance required by a client, optimize the magnetic circuit design, achieve the aim of balancing the comprehensive magnetic performance and reduce the power consumption of the device in operation; 4. the middle column is divided into a plurality of layers in the height direction, so that the height of the pot-shaped magnetic powder core can be increased according to the requirement, and the application range is enlarged; 5. the excircle direction of the center post is divided into a plurality of arc blocks, the processing is convenient, because the excircle is thinner, if the excircle is a whole circle, part of materials can not be made, and the division into a plurality of arcs can be any materials, so that the magnetic circuit can be further optimized, and the purpose of comprehensive magnetic property balance is achieved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a longitudinal sectional view of an embodiment of the present invention;
fig. 3 is an intermediate cross-sectional view of an embodiment of the present invention;
fig. 4 is an exploded view of an embodiment of the present invention;
FIG. 5 is a schematic structural view of a second embodiment of the present invention;
fig. 6 is a middle cross-sectional view of a second embodiment of the present invention;
FIG. 7 is a schematic diagram of a second arc block according to an embodiment of the present invention;
fig. 8 is an exploded view of a second embodiment of the present invention;
fig. 9 is a schematic view of a third structure of the embodiment of the present invention;
fig. 10 is a longitudinal sectional view of the embodiment of the present invention;
FIG. 11 is a longitudinal sectional view of the third intermediate layer of the embodiment of the present invention;
fig. 12 is a three-explosion diagram of the embodiment of the present invention;
fig. 13 is a schematic structural diagram of a fourth embodiment of the present invention;
fig. 14 is a four-explosion diagram of the embodiment of the present invention.
In the figure: 1. the top cap, 2, the center pillar, 201, first annular boss, 202, lead to the groove, 203, first circular arc piece, 2031, recess, 2032, boss, 204, upper strata, 2041, second circular arc piece, 205, the intermediate level, 2051, second annular groove, 2052, second annular boss, 2053, third circular arc piece, 206, lower floor, 2061, fourth circular arc piece, 3, the base, 301, first annular groove, 4, the magnetic core.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in FIGS. 1 to 4, an embodiment of the present invention comprises a top cap 1, a middle pillar 2, a magnetic core 4, a base 3, wherein the top cap 1 and the base 3 are solid cylinders, first annular grooves 301 are respectively disposed on the lower side of the top cap 1 and the upper side of the base 3, the middle pillar 2 is a hollow cylinder, a through groove 202 vertically penetrating is disposed on the outer side, first annular bosses 201 matching with the first annular grooves 301 on the top cap 1 and the base 3 are respectively disposed on the upper portion and the lower portion of the middle pillar 2, the first annular grooves 301 on the top cap 1 are clamped with the first annular bosses 201 on the top of the middle pillar 2, the first annular grooves 301 on the base 3 are clamped with the first annular bosses 201 on the bottom of the middle pillar 2, the magnetic core 4 is disposed in the cavity of the middle pillar 2 and coaxial with the cavity of the middle pillar 2, the upper and lower end faces are respectively fixedly connected with the lower side of the top cap 1 and the upper side of the base 3, the coil windings are routed through the through slots 202.
Through being four independent structures of top cap 1, center pillar 2, magnetic core 4, base 3 with the split of jar form magnetic powder core, every independent structure suppresses alone or machine-shaping, all can exert higher pressure to the product in manufacturing process, is difficult to by the crushing, and has increased magnetic density, has promoted product property ability, guarantees the product yield, shortens production cycle, reduction in production cost.
The top cover 1, the middle column 2, the magnetic core 4 and the base 3 can respectively adopt one or more soft magnetic materials of Fe-Si-Al, Fe-Si-Ni, ferrite, iron powder, amorphous, nanocrystalline, Fe-Ni and Fe-Ni-Mo according to the performance required by customers, so that the magnetic circuit is optimized, and the aim of balancing comprehensive magnetic performance is fulfilled.
As shown in fig. 5 to 8, the second embodiment of the present invention is substantially the same as the first embodiment, except that the center pillar 2 is composed of 7 first arc blocks 203 with the same shape and size, a groove 2031 is disposed on one side of the two side surfaces of the first arc blocks 203, a boss 2032 is disposed on the other side surface, and every two adjacent first arc blocks 203 are connected with the groove 2031 through the boss 2032.
The 2 excircle directions of center pillar fall into 7 circular arc pieces 203, and circular arc piece 203 is single to be suppressed or machine-formed, and processing is convenient, because the excircle is than thin, if whole garden, some material can not do, falls into 7 circular arc pieces and can adopts arbitrary material, can further optimize the magnetic circuit, reaches the balanced purpose of comprehensive magnetic property.
As shown in fig. 9 to 12, the third embodiment of the present invention is substantially the same as the first embodiment, except that the center pillar 2 is composed of an upper layer 204, 3 middle layers 205, and a lower layer 206, the upper portion of the upper layer 204 is provided with a first annular boss 201 matched with the first annular groove 301 on the top cover 1, the bottom is provided with a second annular boss 2052, the upper portion of the middle layer 205 is provided with a second annular groove 2051 matched with the second annular boss 2052, the bottom is provided with a second annular boss 2052, the upper portion of the lower layer 206 is provided with a second annular groove 2051 matched with the second annular boss 2052, and the bottom is provided with a first annular boss 201 matched with the first annular groove 301.
The middle column 2 is divided into a plurality of layers in the height direction, each layer is independently pressed or processed and formed, and the middle layer 205 can be provided with more layers, so that the height of the pot-shaped magnetic powder core can be increased as required, and the application range is enlarged;
the upper layer 204, the middle layer 205 and the lower layer 206 can be made of the same or different soft magnetic materials according to the performance required by customers, and can be made of one or more soft magnetic materials of sendust, ferrosilicon nickel, ferrite, iron powder, amorphous, nanocrystalline, iron nickel and iron nickel molybdenum respectively. Further optimizes the magnetic circuit and achieves the aim of balancing the comprehensive magnetic performance.
As shown in fig. 13 and 14, the fourth embodiment of the present invention is substantially the same as the third embodiment, except that the upper layer 204 is composed of 7 second arc blocks 2041 with the same shape and size, a groove is disposed on one side of the two side surfaces of the second arc block 2041, a boss is disposed on the other side surface, and every two adjacent second arc blocks 2041 are connected with the groove through the boss.
The middle layer 205 is composed of 7 third arc blocks 2053 with the same shape and size, grooves are arranged on one side surface of the third arc block 2053, bosses are arranged on the other side surface of the third arc block 2053, and every two adjacent third arc blocks 2053 are clamped with the grooves through the bosses.
The lower layer 206 is composed of 7 fourth arc blocks 2061 with the same shape and size, a groove is arranged on one side surface of the four arc blocks 2061, a boss is arranged on the other side surface, and every two adjacent fourth arc blocks 2061 are clamped with the groove through the boss.
The second arc block 2041, the third arc block 2053 and the fourth arc block 2061 are pressed or machined and formed singly, the magnetic powder density is high, the magnetoelectric conversion rate is improved, the machining process is simple, the product performance is improved, the product yield is ensured, the production period is shortened, and the production cost is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A novel pot-shaped magnetic powder core is characterized by comprising a top cover, a middle column, a magnetic core and a base, the top cover and the base are solid cylinders, the lower side surface of the top cover and the upper side surface of the base are both provided with a first annular groove, the middle column is a hollow cylinder, a through groove which is vertically communicated is arranged on the outer side surface of the middle column, the upper part and the lower part of the middle column are respectively provided with a first annular boss which is matched with the first annular groove on the top cover and the base, the first annular groove on the top cover is clamped with the first annular boss at the top of the middle column, the first annular groove on the base is clamped with the first annular boss at the bottom of the middle column, the magnetic core is arranged in the cavity of the middle column, and the magnetic core is coaxial with the center pillar cavity, the upper end face and the lower end face of the magnetic core are respectively fixedly connected with the lower side face of the top cover and the upper side face of the base, and a gap between the outer circular face of the magnetic core and the inner side face of the center pillar cavity is matched with the coil winding.
2. The novel pot-shaped magnetic powder core according to claim 1, characterized in that: the center pillar comprises a plurality of first circular arc blocks with the same shape and size, a groove is formed in one side face of the two side faces of each first circular arc block, a boss is arranged on the other side face of each first circular arc block, and every two adjacent first circular arc blocks are connected with the grooves in a clamped mode through the bosses.
3. The novel pot-shaped magnetic powder core according to claim 1, characterized in that: the center pillar comprises upper strata, 1 ~ N intermediate level, lower floor, N is more than or equal to 1's natural number, upper strata upper portion is equipped with the first annular boss with first annular groove matched with on the top cap, and the bottom is equipped with second annular boss, intermediate level upper portion is equipped with the second annular groove with second annular boss matched with, and the bottom is equipped with second annular boss, lower floor's upper portion is equipped with the second annular groove with second annular boss matched with, and the bottom is equipped with the first annular boss with first annular groove matched with.
4. The novel pot-shaped magnetic powder core according to claim 3, characterized in that: the upper strata comprises a plurality of second circular arc blocks of unanimous shape size, be equipped with the recess on the both sides face side of second circular arc block, be equipped with the boss on the another side, every two adjacent second circular arc blocks pass through boss and recess joint.
5. The novel pot-shaped magnetic powder core according to claim 4, characterized in that: the intermediate layer comprises a plurality of third arc blocks with the same shape and size, a groove is formed in one side face of the two side faces of each third arc block, a boss is arranged on the other side face of each third arc block, and every two adjacent third arc blocks are connected with the grooves in a clamped mode through the bosses.
6. The novel pot-shaped magnetic powder core according to claim 5, characterized in that: the lower floor comprises a plurality of fourth circular arc blocks with the same shape and size, a groove is formed in one side face of the two side faces of each fourth circular arc block, a boss is arranged on the other side face of each fourth circular arc block, and every two adjacent fourth circular arc blocks are connected with the grooves in a clamped mode through the bosses.
7. The novel pot-shaped magnetic powder core according to any one of claims 1 to 6, characterized in that: the top cover, the magnetic core, the center pillar and the base can be made of the same or different soft magnetic materials, and can be made of one or more soft magnetic materials of iron-silicon-aluminum, iron-silicon-nickel, ferrite, iron powder, amorphous, nanocrystalline, iron-nickel and iron-nickel-molybdenum respectively.
8. The novel pot-shaped magnetic powder core according to any one of claims 3 to 6, characterized in that: the upper layer, the middle layer and the lower layer can adopt the same or different soft magnetic materials, and can respectively adopt one or more soft magnetic materials of iron silicon aluminum, iron silicon nickel, ferrite, iron powder, amorphous, nanocrystalline, iron nickel and iron nickel molybdenum.
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| CN201920984511.XU CN210200498U (en) | 2019-06-27 | 2019-06-27 | Novel pot-shaped magnetic powder core |
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| CN201920984511.XU CN210200498U (en) | 2019-06-27 | 2019-06-27 | Novel pot-shaped magnetic powder core |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462994A (en) * | 2020-04-28 | 2020-07-28 | 深圳市百斯特电子有限公司 | Thermosetting material hot-pressing integrated inductor and manufacturing process thereof |
| CN113327761A (en) * | 2021-05-28 | 2021-08-31 | 刘贱屏 | Tight pressing treatment device of multilayer annular magnetic powder core |
-
2019
- 2019-06-27 CN CN201920984511.XU patent/CN210200498U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462994A (en) * | 2020-04-28 | 2020-07-28 | 深圳市百斯特电子有限公司 | Thermosetting material hot-pressing integrated inductor and manufacturing process thereof |
| CN113327761A (en) * | 2021-05-28 | 2021-08-31 | 刘贱屏 | Tight pressing treatment device of multilayer annular magnetic powder core |
| CN113327761B (en) * | 2021-05-28 | 2022-11-25 | 四川东阁科技有限公司 | Tight pressing treatment device of multilayer annular magnetic powder core |
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