CN211654531U - Novel Class-D power inductor - Google Patents
Novel Class-D power inductor Download PDFInfo
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- CN211654531U CN211654531U CN202020700479.0U CN202020700479U CN211654531U CN 211654531 U CN211654531 U CN 211654531U CN 202020700479 U CN202020700479 U CN 202020700479U CN 211654531 U CN211654531 U CN 211654531U
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Abstract
A novel Class-D power inductor comprises a plastic base, a hardware terminal, a flat coil, an I magnetic core and an Ep magnetic core, wherein four limiting bosses which are opposite to each other in pairs are arranged on the plastic base, an installation groove is formed between the limiting bosses, and the I magnetic core is installed in the installation groove; two sides of the I-shaped magnetic core are oppositely provided with two placing platforms, the two placing platforms are respectively provided with a placing groove, and the flat coils are placed in the placing grooves; the two sides of the placing platform are respectively arranged on the hardware terminal clamped at the edge of the plastic base, the hardware terminal comprises a U-shaped terminal body and a limiting piece arranged on the outer side of the bottom of the U-shaped terminal, and a gap for inserting the free end of the flat coil is formed between the U-shaped terminal body and the limiting piece; the Ep magnetic core is sleeved on the outer side of the flat coil. The utility model discloses not only the structure is more succinct, and the air gap position is ingenious and the welding is very convenient moreover.
Description
Technical Field
The utility model belongs to the technical field of the electron device technique and specifically relates to a novel Class-D power inductance.
Background
The power inductor is commonly used in various power electronic converters and plays a role in inhibiting high-frequency ripples of a switching power supply.
The Class-D power inductor in the prior art has the problems that the structure is complex, an air gap is arranged at the top of a finished product, and a plastic sheet needs to be pasted at the top under the condition that the product is small so as to prevent air leakage when a suction nozzle is pasted in the SMT pasting process, welding is very difficult and the like.
Thus, the prior art is subject to improvements and improvements.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects existing in the prior art, the utility model aims at providing a novel Class-D power inductor which has simple structure, skillful air gap position and very convenient welding.
In order to achieve the above object, the utility model adopts the following technical scheme:
a novel Class-D power inductor comprises a plastic base, a hardware terminal, a flat coil, an I magnetic core and an Ep magnetic core, wherein four limiting bosses which are opposite to each other in pairs are arranged on the plastic base, an installation groove is formed between the limiting bosses, and the I magnetic core is installed in the installation groove; two sides of the I-shaped magnetic core are oppositely provided with two placing platforms, the two placing platforms are respectively provided with a placing groove, and the flat coils are placed in the placing grooves; the two sides of the placing platform are respectively arranged on the hardware terminal clamped at the edge of the plastic base, the hardware terminal comprises a U-shaped terminal body and a limiting piece arranged on the outer side of the bottom of the U-shaped terminal, and a gap for inserting the free end of the flat coil is formed between the U-shaped terminal body and the limiting piece; the outer side of the flat coil is sleeved with the Ep magnetic core, and air gaps are arranged between two edges of the Ep magnetic core and the I magnetic core.
Compared with the prior art, the beneficial effects of the utility model are that:
due to the adoption of the structural design, the structure is simpler, the air gap position is ingenious, and the welding is very convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic exploded view of the present invention;
FIG. 3 is a schematic structural view of the plastic base of the present invention;
fig. 4 is the structure diagram of the hardware terminal of the present invention.
The reference numbers in the figures are respectively: (1) the magnetic core comprises a plastic base, (2), (3), (4), (5) a hardware terminal, (6), (7) a flat coil, (8) an I magnetic core, (9), (10) an Ep magnetic core, (11), (12), (13), (14) a limiting boss, (15) an installation groove, (16), (17) a placement platform, (18), (19) a placement groove, (20) a U-shaped terminal body, (21) a limiting sheet, (22) a gap and (23) an air gap.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1-4, the novel Class-D power inductor of the present invention includes a plastic base 1, hardware terminals 2, 3, 4 and 5, flat coils 6 and 7, an I-core 8 and Ep- cores 9 and 10, wherein four two-by-two opposite limiting bosses 11, 12, 13 and 14 are disposed on the plastic base 1, an installation groove 15 is formed between the limiting bosses, and the I-core 8 is installed in the installation groove 15; two placing platforms 16 and 17 are oppositely arranged on two sides of the I-shaped magnetic core 8, placing grooves 18 and 19 are respectively arranged on the two placing platforms 16 and 17, and the flat coils 6 and 7 are respectively placed in the placing grooves 18 and 19; the two sides of the placing platform 6 are respectively arranged on the hardware terminals 2 and 3 clamped on the edge of the plastic base, the two sides of the placing platform 7 are respectively arranged on the hardware terminals 4 and 5 clamped on the plastic base, the hardware terminal 2 comprises a U-shaped terminal body 20 and a limiting piece 21 arranged on the outer side of the bottom of the U-shaped terminal, and a gap 22 for inserting the free end of the flat coil is formed between the U-shaped terminal body 20 and the limiting piece 21; the outer side of the flat coil 2 is respectively sleeved with the Ep magnetic cores 9 and 10, and air gaps 23 are arranged between two edges of the Ep magnetic cores 9 and 10 and the I magnetic core.
The utility model adopts one I magnetic core and two Ep magnetic cores through the structural design, which is more concise compared with the magnetic core structure of the traditional Class-D power amplifier inductor; the utility model arranges the air gap on the side surface, thereby skillfully saving the plastic sheet on the top, leading the product to be beautiful and practical without any influence on the performance; the utility model discloses a combination department of five metals terminal and plastic base exposes in product outside both sides completely, and it is very convenient directly with net iron soldering tin during the welding, and the combination department of traditional five metals terminal and plastic base is located the product the inside, and is very difficult during the welding.
To sum up, the utility model discloses an foretell structural design solves the weak point that exists among the prior art, has characteristics such as the structure is succinct, design benefit, stability height.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (1)
1. A novel Class-D power inductor is characterized in that: the transformer comprises a plastic base, a hardware terminal, a flat coil, an I magnetic core and an Ep magnetic core, wherein four limiting bosses which are opposite to each other in pairs are arranged on the plastic base, an installation groove is formed between the limiting bosses, and the I magnetic core is installed in the installation groove; two sides of the I-shaped magnetic core are oppositely provided with two placing platforms, the two placing platforms are respectively provided with a placing groove, and the flat coils are placed in the placing grooves; the two sides of the placing platform are respectively arranged on the hardware terminal clamped at the edge of the plastic base, the hardware terminal comprises a U-shaped terminal body and a limiting piece arranged on the outer side of the bottom of the U-shaped terminal, and a gap for inserting the free end of the flat coil is formed between the U-shaped terminal body and the limiting piece; the outer side of the flat coil is sleeved with the Ep magnetic core, and air gaps are arranged between two edges of the Ep magnetic core and the I magnetic core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020700479.0U CN211654531U (en) | 2020-04-30 | 2020-04-30 | Novel Class-D power inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020700479.0U CN211654531U (en) | 2020-04-30 | 2020-04-30 | Novel Class-D power inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211654531U true CN211654531U (en) | 2020-10-09 |
Family
ID=72689816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020700479.0U Active CN211654531U (en) | 2020-04-30 | 2020-04-30 | Novel Class-D power inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211654531U (en) |
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2020
- 2020-04-30 CN CN202020700479.0U patent/CN211654531U/en active Active
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