CN212648031U - High-current-power chip inductor - Google Patents
High-current-power chip inductor Download PDFInfo
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- CN212648031U CN212648031U CN202021581183.8U CN202021581183U CN212648031U CN 212648031 U CN212648031 U CN 212648031U CN 202021581183 U CN202021581183 U CN 202021581183U CN 212648031 U CN212648031 U CN 212648031U
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Abstract
The utility model discloses a high current power's paster inductor, including last magnetic core, lower magnetic core, base, elastic pressing block, coil winding, location mantle and two electrically conductive pasters, the coil winding cover is established on the location mantle, goes up magnetic core bottom and magnetic core top looks butt down, and elastic pressing block includes horizontal splenium and locates the block portion of horizontal splenium both sides. The utility model discloses a twine coil winding on the location shell, establish the location shell cover between upper magnetic core and lower magnetic core again, adopt the elastic pressing block to go on block to fix upper magnetic core and lower magnetic core, so set up, not only make things convenient for the enterprise to assemble the product, improve the production efficiency of enterprise, still be convenient for the user to carry out the dismouting maintenance to the paster inductance in the use in the future, avoided the loaded down with trivial details of repeated welding electrically conductive paster, convenient to use; be provided with a plurality of louvres on the location shell, can improve coil winding's heat dispersion, prevent that the heat from long-term accumulation from causing higher temperature rise to influence the life of paster inductance.
Description
Technical Field
The utility model relates to an inductor field especially relates to a high current power's paster inductor.
Background
Chip inductors, also known as power inductors, large current inductors, and surface mount high power inductors, have characteristics of miniaturization, high quality, high energy storage, low resistance, and the like. The patch inductor is mainly of four types, i.e., a wound type, a laminated type, a woven type, and a thin film chip type. Two types, namely a winding type and a lamination type, are commonly used, wherein the former is a product of miniaturization of a traditional winding inductor; the latter is made by multilayer printing technology and laminated production technology, has smaller volume than the wound chip inductor, and is a product of key development in the field of inductance elements.
In the prior art, the wound-type chip inductor has the characteristics of wide inductance range (mH-H), high inductance precision, small loss, large allowable current, low cost and the like, but the wound-type large-current chip inductor on the market generally directly winds a coil on a magnetic core, has the defects of complex processing and large assembly difficulty, needs to provide higher requirements for the precision of production equipment, and can increase the production cost of enterprises. Meanwhile, the chip inductor directly wound on the magnetic core is generally undetachable and maintainable, and when a coil winding needs to be replaced, the chip inductor needs to be replaced together, so that the chip inductor is inconvenient to use and maintain in the future; in addition, the wound-type high-current chip inductor has a large current load in the use process, can generate high heat when being used for a long time, and can affect the service life of the chip inductor if the heat cannot be dissipated in time.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the high-current power chip inductor is simple in structure, convenient to assemble, good in heat dissipation performance and low in production cost.
The technical scheme of the utility model as follows: a high-current-power chip inductor comprises an upper magnetic core, a lower magnetic core, a base, an elastic pressing block, a coil winding, a positioning shell sleeve and two conductive chips, wherein a first positioning column which is arranged in an upward protruding mode is arranged in the middle of the lower magnetic core;
the positioning shell is of an inverted circular boss structure, a through hole is formed in the middle of the positioning shell, the coil winding is sleeved on the positioning shell, the through hole of the positioning shell is formed in the first positioning column, a second positioning column protruding downwards is arranged in the middle of the upper magnetic core, and the second positioning column is arranged in the through hole of the positioning shell;
the coil winding is provided with two wire outlet ends, the clamping plates of the base are respectively provided with a wire leading groove, and one end of the conductive patch is arranged in the wire leading groove and connected with one wire outlet end of the coil winding;
go up magnetic core bottom and magnetic core top looks butt down, the elastic pressing block includes horizontal splenium and locates the block portion of horizontal splenium both sides, block portion is L style of calligraphy structure, horizontal splenium and last magnetic core top surface butt, the horizontal segment of block portion and the bottom surface looks joint of magnetic core down.
According to the technical scheme, in the high-current-power chip inductor, the positioning shell comprises the disc portion and the shaft sleeve portion, the shaft sleeve portion and the disc portion are coaxially arranged, the coil winding is arranged on the shaft sleeve portion, and the outer diameter of the disc portion is larger than or equal to that of the coil winding.
By adopting the technical scheme, in the high-current-power chip inductor, the shaft sleeve part of the positioning shell sleeve is provided with a plurality of transversely-communicated heat dissipation holes.
By adopting the technical scheme, in the high-current-power chip inductor, the transverse pressing part of the elastic pressing block is of a downward bent plate-shaped structure.
By adopting the technical scheme, in the high-current-power chip inductor, the left side and the right side of the lower magnetic core are respectively provided with the first arc grooves matched with the coil windings.
By adopting the technical scheme, in the high-current-power chip inductor, the left side and the right side of the upper magnetic core are respectively provided with the second arc grooves matched with the coil windings.
By adopting the technical scheme, in the high-current power chip inductor, the depth of the through hole is greater than the height of the second positioning column.
By adopting the technical scheme, in the high-current-power chip inductor, the conductive chip is in a Z-shaped structure.
By adopting the technical scheme, in the high-current-power chip inductor, the base and the positioning shell are respectively made of plastic materials.
By adopting the technical scheme, in the high-current-power chip inductor, the upper magnetic core and the lower magnetic core are nickel-zinc ferrite magnetic cores.
By adopting the technical schemes, the utility model has the advantages that the coil winding is wound on the positioning shell sleeve, the positioning shell sleeve is arranged between the upper magnetic core and the lower magnetic core, and the elastic pressing block is adopted to clamp and fix the upper magnetic core and the lower magnetic core, so that the installation is convenient for enterprises to assemble products, the production efficiency of the enterprises is improved, the equipment cost is reduced, the users can conveniently disassemble, assemble and maintain the chip inductor in the future use process, the trouble of repeatedly welding the conductive chip is avoided, and the use is convenient; the heat dissipation holes are formed in the positioning shell sleeve, so that the heat dissipation performance of the coil winding can be improved, and the phenomenon that the heat is accumulated for a long time to cause higher temperature rise is avoided, so that the service life of the surface mount inductor is influenced; the LED lamp has the advantages of simple overall structure, convenience in assembly, good heat dissipation performance, low production cost and popularization and use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of another overall structure of the present invention;
fig. 3 is an exploded view of the present invention;
fig. 4 is a schematic view of the lower magnetic core structure of the present invention;
FIG. 5 is a schematic view of the base structure of the present invention;
FIG. 6 is a schematic view of the positioning housing of the present invention;
fig. 7 is a schematic view of the upper magnetic core structure of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 7, a high current power's paster inductor, includes magnetic core 1, lower magnetic core 2, base 3, elastic pressing block 4, coil winding 5, location shell 6 and two electrically conductive pasters 7, magnetic core 2 middle part is equipped with the first locating post 21 that upwards protruding was established down, 3 middle parts of base are equipped with the locating hole 30 with first locating post 21 adaptation, both sides are equipped with downwardly extending's cardboard 31 respectively around 3 base, the locating hole 30 cover of base 3 is established on first locating post 21, cardboard 31 of base 3 respectively with the both sides wall laminating joint of magnetic core 2 down. In this embodiment, the base 3 can be clamped on two side walls of the lower magnetic core 2 through the clamping plate 31, and the positioning holes 30 and the first positioning posts 21 can improve the assembly stability of the base 3 and prevent the base 3 from shifting on the lower magnetic core 2.
As shown in fig. 3 to 7, the positioning shell 6 is an inverted circular boss structure, a through hole 60 is formed in the middle of the positioning shell 6, the coil winding 5 is sleeved on the positioning shell 6, the through hole 60 of the positioning shell 6 is formed in the first positioning column 21, a second positioning column 11 protruding downward is formed in the middle of the upper magnetic core 1, and the second positioning column 11 is formed in the through hole 60 of the positioning shell 6. In this embodiment, the first positioning column 21 is sleeved in the through hole 60 at the bottom of the positioning shell 6, the second positioning column 11 is sleeved in the through hole 60 at the top of the positioning shell 6, and the coil winding 5 is sleeved on the positioning shell 6, so that the chip inductor can be conveniently disassembled and assembled by a user by adopting a sectional type installation mode, and when the coil winding 5 needs to be replaced in a later period, the trouble of repeatedly welding the conductive chip 7 is avoided, and the use is convenient.
As shown in fig. 1 and 5, the coil winding 5 has two wire outlet ends, the clamping plates 31 of the base 3 have a wire guiding groove 310, and one end of the conductive patch 7 is disposed in the wire guiding groove 310 and connected to one wire outlet end of the coil winding 5. In this embodiment, will when needing the utility model discloses install when using on the PCB board, only need with the electrically conductive paster 7 welding at 3 both ends of base can on the PCB board.
As shown in fig. 1 and 3, the bottom of the upper magnetic core 1 abuts against the top of the lower magnetic core 2, the elastic pressing block 4 includes a transverse pressing portion 41 and engaging portions 42 disposed on two sides of the transverse pressing portion 41, the engaging portions 42 are in an L-shaped structure, the transverse pressing portion 41 abuts against the top surface of the upper magnetic core 1, and the horizontal section of the engaging portion 42 is engaged with the bottom surface of the lower magnetic core 2. In this embodiment, lateral pressure portion 41 and clamping portion 42 are integrated into one piece structure, go up and carry out the block through elastic pressing block 4 between magnetic core 1 and the lower magnetic core 2 fixed, during the assembly, only need with the clamping portion 42 of the L style of calligraphy structure of elastic pressing block 4 both sides sideslip to the bottom surface of magnetic core 2 down can, at this moment, lateral pressure portion 41 and clamping portion 42 extrude each other under the spring action, thereby realize the firm fixed of magnetic core 1 and lower magnetic core 2, and convenient assembling effectively improves the production efficiency of enterprise.
As shown in fig. 6, the positioning shell 6 further includes a disc portion 61 and a sleeve portion 62, the sleeve portion 62 and the disc portion 61 are coaxially disposed, the coil winding 5 is disposed on the sleeve portion 62, and an outer diameter of the disc portion 61 is greater than or equal to an outer diameter of the coil winding 5.
As shown in fig. 6, the shaft sleeve portion 62 of the positioning housing 6 is further provided with a plurality of heat dissipation holes 620 penetrating in the transverse direction. In this embodiment, the heat dissipation holes 620 are arranged to improve the heat dissipation performance of the coil winding 5, thereby preventing a large amount of heat from accumulating to cause higher temperature rise, and further preventing the service life of the chip inductor from being affected.
As shown in fig. 3, the lateral pressing portion 41 of the elastic pressing piece 4 has a plate-like structure bent downward.
As shown in fig. 4, further, the left and right sides of the lower magnetic core 2 are respectively provided with a first arc slot 22 adapted to the coil winding 5. In this embodiment, the first arc groove 22 is arranged to allow the bottom end of the coil winding 5 to be clamped in the first arc groove 22, so as to prevent the coil winding 5 from moving laterally, and make the overall structure more compact.
As shown in fig. 7, further, the left and right sides of the upper magnetic core 1 are respectively provided with a second arc slot 12 adapted to the coil winding. In this embodiment, the second arc groove 12 is configured such that the top end of the coil winding 5 is engaged with the second arc groove 12.
Further, the depth of the through hole 60 is greater than the height of the second positioning post 11.
As shown in fig. 1 and 2, the conductive patch 7 is further formed in a zigzag structure. In this embodiment, the electrically conductive paster 7 of Z style of calligraphy structure, the user of can being convenient for welds electrically conductive paster 7 on the PCB board, and is practical convenient.
Further, the base 3 and the positioning housing 6 are made of plastic materials respectively. In this embodiment, the plastic material has good insulating properties, and the base 3 and the location shell 6 that adopt the plastic material to make can improve the utility model discloses a safety in utilization.
Further, the upper magnetic core 1 and the lower magnetic core 2 are nickel-zinc-ferrite magnetic cores.
By adopting the technical schemes, the utility model has the advantages that the coil winding is wound on the positioning shell sleeve, the positioning shell sleeve is arranged between the upper magnetic core and the lower magnetic core, and the elastic pressing block is adopted to clamp and fix the upper magnetic core and the lower magnetic core, so that the installation is convenient for enterprises to assemble products, the production efficiency of the enterprises is improved, the equipment cost is reduced, the users can conveniently disassemble, assemble and maintain the chip inductor in the future use process, the trouble of repeatedly welding the conductive chip is avoided, and the use is convenient; the heat dissipation holes are formed in the positioning shell sleeve, so that the heat dissipation performance of the coil winding can be improved, and the phenomenon that the heat is accumulated for a long time to cause higher temperature rise is avoided, so that the service life of the surface mount inductor is influenced; the LED lamp has the advantages of simple overall structure, convenience in assembly, good heat dissipation performance, low production cost and popularization and use.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A high current power patch inductor, characterized by: the positioning device comprises an upper magnetic core, a lower magnetic core, a base, an elastic pressing block, a coil winding, a positioning shell sleeve and two conductive patches, wherein a first positioning column which is arranged in an upward protruding mode is arranged in the middle of the lower magnetic core;
the positioning shell is of an inverted circular boss structure, a through hole is formed in the middle of the positioning shell, the coil winding is sleeved on the positioning shell, the through hole of the positioning shell is formed in the first positioning column, a second positioning column protruding downwards is arranged in the middle of the upper magnetic core, and the second positioning column is arranged in the through hole of the positioning shell;
the coil winding is provided with two wire outlet ends, the clamping plates of the base are respectively provided with a wire leading groove, and one end of the conductive patch is arranged in the wire leading groove and connected with one wire outlet end of the coil winding;
go up magnetic core bottom and magnetic core top looks butt down, the elastic pressing block includes horizontal splenium and locates the block portion of horizontal splenium both sides, block portion is L style of calligraphy structure, horizontal splenium and last magnetic core top surface butt, the horizontal segment of block portion and the bottom surface looks joint of magnetic core down.
2. The high current power patch inductor of claim 1, wherein: the positioning shell sleeve comprises a disc portion and a shaft sleeve portion, the shaft sleeve portion and the disc portion are arranged coaxially, the coil winding is arranged on the shaft sleeve portion, and the outer diameter of the disc portion is larger than or equal to that of the coil winding.
3. A high current power patch inductor according to claim 2, wherein: and a plurality of heat dissipation holes which are transversely communicated are formed in the shaft sleeve part of the positioning shell sleeve.
4. The high current power patch inductor of claim 1, wherein: the transverse pressing part of the elastic pressing block is of a downward bent plate-shaped structure.
5. The high current power patch inductor of claim 1, wherein: and the left side and the right side of the lower magnetic core are respectively provided with a first arc groove matched with the coil winding.
6. The high current power patch inductor of claim 1, wherein: and the left side and the right side of the upper magnetic core are respectively provided with a second arc groove matched with the coil winding.
7. The high current power patch inductor of claim 1, wherein: the depth of the through hole is larger than the height of the second positioning column.
8. A high current power patch inductor according to any one of claims 1 to 7, wherein: the conductive patch is in a Z-shaped structure.
9. A high current power patch inductor according to any one of claims 1 to 7, wherein: the base and the positioning shell are made of plastic materials respectively.
10. A high current power patch inductor according to any one of claims 1 to 7, wherein: the upper magnetic core and the lower magnetic core are nickel-zinc ferrite magnetic cores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021581183.8U CN212648031U (en) | 2020-08-03 | 2020-08-03 | High-current-power chip inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021581183.8U CN212648031U (en) | 2020-08-03 | 2020-08-03 | High-current-power chip inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212648031U true CN212648031U (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021581183.8U Active CN212648031U (en) | 2020-08-03 | 2020-08-03 | High-current-power chip inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212648031U (en) |
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2020
- 2020-08-03 CN CN202021581183.8U patent/CN212648031U/en active Active
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Address after: 245600 Electronic Industrial Park, economic development zone, Qishan Town, Qimen County, Huangshan City, Anhui Province Patentee after: Anhui Great Electronics Co.,Ltd. Address before: 517000 North Building B and C of Keliu Road West of Xingye Avenue, Heyuan Hi-tech Development Zone, Guangdong Province Patentee before: Heyuan New Great Electronics Co.,Ltd. |