CN201562519U - Power type chip inductor - Google Patents
Power type chip inductor Download PDFInfo
- Publication number
- CN201562519U CN201562519U CN2009201879472U CN200920187947U CN201562519U CN 201562519 U CN201562519 U CN 201562519U CN 2009201879472 U CN2009201879472 U CN 2009201879472U CN 200920187947 U CN200920187947 U CN 200920187947U CN 201562519 U CN201562519 U CN 201562519U
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- magnetic core
- cover
- chip inductor
- magnetic
- plastic feet
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Abstract
A power type chip inductor comprises an I-shaped magnetic core, a coil, a magnetic cover and a plastic base. A magnetic core positioning key is arranged on the plastic base and is arranged along the circumferential direction of a magnetic core mounting hole; positioning grooves are formed at the two ends of the I-shaped magnetic core, and the width of the positioning grooves is matched with that of the magnetic core positioning key arranged on the plastic base. Because a circumferential positioning structure is arranged between the plastic base and the I-shaped magnetic core, when the chip inductor is mounted, the concentricity between the I-shaped magnetic core and the magnetic cover can be ensured only by sheathing the I-shaped magnetic core and the magnetic cover in the magnetic core mounting hole on the plastic base and a magnetic cover mounting step hole respectively and carrying out visual measurement and fine adjustment in the direction of the magnetic core positioning key, which reduces operation difficulty, as well as the influence of human factors on the concentricity between the I-shaped magnetic core and the magnetic cover, so as to ensure uniform superimposition property of the power type chip inductor and increase yield.
Description
Technical field:
The utility model relates to a kind of electric elements, relates in particular to the power-type chip inductor.
Background technology:
Being widely used of power-type chip inductor is mainly used in the electric equipments such as plate color television set.The basic structure of power-type chip inductor is made up of I shape magnetic core, coil, magnetic cover and the plastic feet that has a weld tabs.The dc superposition characteristic of power-type chip inductor is an important electricity function index, when requiring a certain D.C. high-current of stack, must still have the inductance value of regulation.This electric property is except outside the Pass the electromagnetic property factor with magnetic core has, the I shape magnetic core after the assembling and the concentricity of magnetic cover also are very crucial influencing factors: when producing off-centre between I shape magnetic core and the magnetic cover is that the gap of circumferencial direction is when asymmetric, the superimposed current of its permission will obviously descend, bias is big more, and fall is big more.Though consider cooperating between I shape magnetic core, magnetic cover and the plastic feet in the design, locate by design stepped hole on plastic feet, reach both concentric purposes; But production reality according to existing ferrite product, I shape magnetic core and magnetic cover that chip inductor uses are made behind mold pressing, sintering, be not suitable for follow-up fine finishining, so its dimensional accuracy is not high, especially the consistency between the different batches has deviation.When assembling, operating personnel need magnetic covered on the base on 360 ° the direction and regulate the location arbitrarily, estimate the concentricity of judging between magnetic core and the magnetic cover, this scheme work efficiency is low, human factor is very big to the influence of product quality, the consistency of superimposed characteristics is relatively poor, influences the finished product rate to a certain extent.
The utility model content:
The purpose of this utility model is: a kind of power-type chip inductor is provided, and it can overcome existing power-type chip inductor above shortcomings.
Technical solution adopted in the utility model is:
Described power-type chip inductor, comprise I shape magnetic core 1, coil 2, magnetic cover 3 and plastic feet 4, on plastic feet 4, be provided with magnetic core installing hole 41 and magnetic cover installation step hole 43, I shape magnetic core 1 is fixed in the magnetic core installing hole 41 on the plastic feet 4, coil 2 is wound on the I shape magnetic core 1, magnetic cover 3 is sleeved on outside the I shape magnetic core 1, and be fixedly mounted in the magnetic cover installation step hole 43 on the plastic feet 4, it is characterized in that: also be provided with magnetic core positioning key 42 on plastic feet 4, magnetic core positioning key 42 is along the 41 radial symmetric settings of magnetic core installing hole; Be provided with location notch 11 at the two ends of I shape magnetic core 1, the magnetic core positioning key 42 that the width of location notch 11 and plastic feet 4 are provided with is complementary.
Its installation method is as follows:
At first I shape magnetic core 1 in conjunction with end face on gluing, then with 11 pairs of magnetic core positioning keys 42 of living on the plastic feet 4 of the location notch of I shape magnetic core 1, coiling 2 on I shape magnetic core 1 then, again magnetic cover 3 is sleeved on outside the I shape magnetic core 1, by the range estimation fine setting, make I shape magnetic core 1 concentric with magnetic cover 3, and I shape magnetic core 1 is glued in the magnetic core installing hole 41 on the plastic feet 4, magnetic cover 3 is glued in the magnetic cover installation step hole 43 on the plastic feet 4.
Owing between plastic feet 4 and I shape magnetic core 1, set up circumferential location structure, when mounted, as long as I shape magnetic core 1 and magnetic cover 3 are set in the magnetic core installing hole 41 and magnetic cover installation step hole 43 on the plastic feet 4, only need in magnetic core positioning key 42 directions range estimation fine setting, just can guarantee the concentricity between I shape magnetic core 1 and the magnetic cover 3, reduced operation easier, reduced the influence of human factor to the concentricity of I shape magnetic core and magnetic cover, thereby the consistency of the superimposed characteristics of guaranteed output matrix formula inductance has improved rate of finished products.
Description of drawings:
Fig. 1 is the structural representation of existing power-type chip inductor; Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the end view of existing I shape magnetic core, and Fig. 4 is the end view of the I shape magnetic core after improving;
Fig. 5 is the structural representation of existing plastic feet, and Fig. 6 is the structural representation of the plastic feet after improving.
1-I shape magnetic core; The 2-coil; 3-magnetic cover; The 4-plastic feet; The 11-location notch; 41-magnetic core installing hole; 42-magnetic core positioning key; 43-magnetic cover installation step hole.
Embodiment:
Describe embodiment of the present utility model in detail below in conjunction with Figure of description:
Described power-type chip inductor is made up of I shape magnetic core 1, coil 2, magnetic cover 3 and plastic feet 4, on plastic feet 4, be provided with magnetic core installing hole 41 and magnetic cover installation step hole 43, I shape magnetic core 1 is fixed in the magnetic core installing hole 41 on the plastic feet 4, coil 2 is wound on the I shape magnetic core 1, magnetic cover 3 is sleeved on outside the I shape magnetic core 1, and be fixedly mounted in the magnetic cover installation step hole 43 on the plastic feet 4, also be provided with magnetic core positioning key 42 on plastic feet 4, magnetic core positioning key 42 is along the 41 radial symmetric settings of magnetic core installing hole; Be provided with location notch 11 at the two ends of I shape magnetic core 1, the magnetic core positioning key 42 that the width of location notch 11 and plastic feet 4 are provided with is complementary.
Claims (2)
1. power-type chip inductor, comprise I shape magnetic core (1), coil (2), magnetic cover (3) and plastic feet (4), I shape magnetic core (1) is fixed on the plastic feet (4), coil (2) is wound on the I shape magnetic core (1), magnetic cover (3) is sleeved on outside the I shape magnetic core (1), and be fixedly mounted on the plastic feet (4), on plastic feet (4), be provided with magnetic core installing hole (41) and magnetic cover installation step hole (43), it is characterized in that: on plastic feet (4), also be provided with magnetic core positioning key (42), be provided with location notch (11) at the two ends of I shape magnetic core (1), the magnetic core positioning key (42) that the width of location notch (11) and plastic feet (4) are provided with is complementary.
2. according to the described power-type chip inductor of claim 1, it is characterized in that: magnetic core positioning key (42) is along magnetic core installing hole (41) radial symmetric setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201879472U CN201562519U (en) | 2009-09-28 | 2009-09-28 | Power type chip inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201879472U CN201562519U (en) | 2009-09-28 | 2009-09-28 | Power type chip inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201562519U true CN201562519U (en) | 2010-08-25 |
Family
ID=42627670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201879472U Expired - Lifetime CN201562519U (en) | 2009-09-28 | 2009-09-28 | Power type chip inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201562519U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236341A (en) * | 2013-05-14 | 2013-08-07 | 昆山禾旺电子有限公司 | Magnetic ring positioning and wire hanging jig |
| CN104008852A (en) * | 2014-05-04 | 2014-08-27 | 太尼电电子科技（东莞）有限公司 | Substrate of chip inductor |
| CN104008851A (en) * | 2014-05-04 | 2014-08-27 | 太尼电电子科技（东莞）有限公司 | Circular closed magnetic circuit chip inductor |
| CN106158253A (en) * | 2016-08-25 | 2016-11-23 | 临沂市乐盈电子科技有限公司 | A kind of Novel patch inductor |
-
2009
- 2009-09-28 CN CN2009201879472U patent/CN201562519U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236341A (en) * | 2013-05-14 | 2013-08-07 | 昆山禾旺电子有限公司 | Magnetic ring positioning and wire hanging jig |
| CN104008852A (en) * | 2014-05-04 | 2014-08-27 | 太尼电电子科技（东莞）有限公司 | Substrate of chip inductor |
| CN104008851A (en) * | 2014-05-04 | 2014-08-27 | 太尼电电子科技（东莞）有限公司 | Circular closed magnetic circuit chip inductor |
| CN106158253A (en) * | 2016-08-25 | 2016-11-23 | 临沂市乐盈电子科技有限公司 | A kind of Novel patch inductor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Huaxing Electronic Co., Ltd. Assignor: Dong Xuejuan Contract record no.: 2011320000142 Denomination of utility model: Power type chip inductor Granted publication date: 20100825 License type: Exclusive License Record date: 20110303 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |