CN203521102U - Inductor - Google Patents
Inductor Download PDFInfo
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- CN203521102U CN203521102U CN201320549849.5U CN201320549849U CN203521102U CN 203521102 U CN203521102 U CN 203521102U CN 201320549849 U CN201320549849 U CN 201320549849U CN 203521102 U CN203521102 U CN 203521102U
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- end cap
- housing
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- coil
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Abstract
The utility model discloses an inductor. The inductor comprises a shell, a first magnetic end cover, a magnetic core column, a coil, a magnetic powder layer and a second magnetic end cover, wherein a containing space is formed in the shell, the first magnetic end cover is connected to the first end of the shell in a covering mode, the magnetic core column is contained in the containing space, one end of the magnetic core column is connected to the first magnetic end cover in an abutting mode, the magnetic core column is sleeved with the coil, the containing space is filled with the magnetic powder layer which is wrapped around the magnetic core column and the coil, the second magnetic end cover is connected to the second end of the shell in a covering mode and connected to the other end of the magnetic core column in an abutting mode, and the magnetic powder layer and coil arranged on the magnetic core column in a sleeved mode are sealed in the containing space through the second magnetic end cover. The coil has two wiring parts, the second magnetic end cover is provided with two open holes, and the two wiring parts respectively stretch out of the second magnetic end cover through the two open holes. According to the inductor, the first magnetic end cover, the magnetic core column and the second magnetic end cover can be made of different materials according to requirements, the magnetic saturation characteristic of the inductor can be improved, the size of a core body can be reduced, and manufacturing cost is reduced.
Description
Technical field
The utility model relates to a kind of inductor, is specifically related to a kind of inductor that can reduce cost of manufacture.
Background technology
Inductor is a kind of of passive device, has filtering and noise reduction sound, suppresses immediate current, reduces EMI(Electromagnetic Interference, electromagnetic interference) and the function such as power transfer, be widely used in for a long time among various electronic products.
As shown in FIG. 1A and 1B, its some examples that are existing inductor.Figure 1A is toroidal inductor, and it is that coil 12 is located on core body 11.Toroidal inductor has the advantages such as non magnetic path and early stage magnetic saturation, but toroidal inductor cannot Automated winding, still needs artificial coiling, and processing cost quality high and processing is uneven.
Figure 1B is the inductor of core body 21 and housing 23 combinations, and from the profile shown in Figure 1B, core body 21 is I font, is surrounded with coil 22 on it, gapped G between core body 21 and housing 23.This kind of inductor need utilize coil to penetrate that equipment penetrates a wire and spiral surrounding on core body 21, and then form coil 22, such manufacturing process cannot independently form coil.Secondly, during assembling, should be noted core body 21 and housing 23 between the uniformity of clearance G, need the core body 21 that is equipped with coil 22 to be placed in the centre of housing 23, cause production efficiency slow.In addition, also want the size of accurate calculated gap G, otherwise the problems such as inductance value is too high, magnetic saturation is not enough easily occur.
Therefore, the utility model is researched and developed the inductor that a kind of cost of manufacture is low, production efficiency is high, and the spring is current industry subject under discussion urgently to be resolved hurrily.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of inductor, can reduce the cost of manufacture of inductor, enhances productivity.
In order to achieve the above object, the utility model has been taked following technical scheme:
An inductor, it comprises: housing, has an accommodation space; The first magnetic end cap, lid is connected to the first end of this housing; Core post, be accommodated in the accommodation space of this housing and its one end butt to this first magnetic end cap; Coil, be accommodated in this accommodation space and sheathed this core post in wherein, and there are outward extending two wire connecting portion of axis direction along this housing; Magnaglo layer, is arranged in this accommodation space, coated this core post and coil; And the second magnetic end cap, lid is connected to the second end of this housing and the other end of this core post of butt, so that the coil of this Magnaglo layer and sheathed this core post is sealed and placed in this accommodation space, and this second magnetic end cap is formed with two perforates and stretches out respectively this second magnetic end cap for this two wire connecting portion.
Above-mentioned coil is formed by a wire spiral surrounding, extended two wire connecting portion of a spire that comprises sheathed this core post and certainly this spire.
The size of the first above-mentioned magnetic end cap is more than or equal to the physical dimension of this housing, and covers this housing is positioned to this first magnetic end should housing part having location division; The size of the second above-mentioned magnetic end cap is less than or equal to the inner dimensions of this housing, and the inwall that is arranged at this housing is to seal the opening of this accommodation space.
The first and second above-mentioned magnetic end caps can be circular discs or rectangular disk, this housing can be hollow circuit cylinder or hollow, rectangular post.In addition, the surface in order to these core post two ends of butt of this first or second magnetic end cap has junction surface, in order to the two ends of corresponding this core post of butt.
In addition, the material of above-mentioned the first magnetic end cap, core post and the second magnetic end cap can be not identical.
The filling of inductor utilization of the present utility model (heat-sealing) Magnaglo, in accommodation space, forms closed magnetic path.Secondly, compared to prior art, the core body of inductor of the present utility model is not integrally formed, therefore can with different materials, make the first magnetic end cap, core post and the second magnetic end cap according to required, can increase the magnetic saturation characteristic of inductor and reduce the size of core post, and then reduce cost of manufacture.In addition, after the coil array of inductor of the present utility model completes, be set in core post again, therefore can separate making with core post, increase production efficiency.
Accompanying drawing explanation
Figure 1A and Figure 1B are the schematic diagram of existing inductor.
Fig. 2 A is the basic building block decomposing schematic representation of inductor of the present utility model.
The assembling schematic diagram that Fig. 2 B and Fig. 2 C are inductor of the present utility model.
Fig. 2 D is along the profile of 2D line in Fig. 2 C.
Fig. 3 is the preparation flow chart of inductor of the present utility model.
Embodiment
The utility model provides a kind of inductor, below by specific embodiment, the execution mode of this creation is described, person skilled in the art scholar can be understood easily by content disclosed in the present specification other feature and the effect of this creation.The utility model also can be implemented or be applied by other different specific embodiment.
Refer to Fig. 2 A to Fig. 2 D, its basic building block that is inductor of the present utility model.
In Fig. 2 A, the two ends of core post 31b are butt the first magnetic end cap 31a and the second magnetic end cap 31c respectively, and the first magnetic end cap 31a, core post 31b and the second magnetic end cap 31c three form I font.
Generally speaking, the material of the first magnetic end cap 31a, core post 31b and the second magnetic end cap 31c can such as pottery (ceramic), ferrite (ferrite), iron powder or alloy etc., in the utility model, can with different materials, make the first magnetic end cap 31a, core post 31b and the second magnetic end cap 31c on demand.For example, use the material of high saturation magnetic induction degree to make core post 31b, and select other different materials to make the first and second magnetic end cap 31a, 31c, can effectively reduce costs and obtain good inductance characteristic.Again for example, can select iron powder to make core post 31b, because its magnetic saturation characteristic exceeds one times compared with ferrite, therefore can dwindle the size of core post 31b, reach the object that reduces conductor consumption and reduce product cost.
In addition, the first and second magnetic end cap 31a, 31c are upper can have respectively a junction surface (as the junction surface 312 on the first magnetic end cap 31a), with corresponding butt core post 31b.
Moreover the first and second magnetic end cap 31a, 31c can be circular discs or rectangular disk.Housing 33 can be hollow circuit cylinder or is hollow, rectangular post.
Magnaglo layer 34, is arranged in the accommodation space 330 of housing 33, for coated coil 32 and core post 31b.Therefore, the first and second magnetic end cap 31a, 31c are connected to respectively the two ends of core post 31b, and Magnaglo layer 34 and the coil 32 that is arranged with core post 31b are sealed and placed in the accommodation space 330 of housing 33.What it should be noted that Magnaglo layer 34 use of the present utility model is a kind of heat-sealing Magnaglo, makes the first and second magnetic end cap 31a and 31c, core post 31b, coil 32 and housing 33 form closed magnetic paths.
The filling Magnaglo layer 34 that Fig. 2 B and Fig. 2 C are inductor of the present utility model and lid connect the schematic diagram of the second magnetic end cap 31c, in addition, from Fig. 2 D, the first and second magnetic end cap 31a and 31c cover respectively the first and second ends 331 and 332 that are connected to housing, and the first and second magnetic end cap 31a and 31c are connected to respectively the two ends of core post 31b, wire connecting portion 322 stretches out and passes perforate 311 and stretch out outside the second magnetic end cap 31c along the axis direction of housing 33, and Magnaglo layer 34 is arranged at the accommodation space 330 of housing 33, to be coated coil 32 and core post 31b.
Refer to Fig. 2 A and Fig. 3, the preferred embodiment of its method for making that is inductor of the present utility model.
In step S301, a housing 33 with accommodation space 330 is provided, in step S302, lid meets the first magnetic end cap 31a in the first end 331 of housing 33.Then in step S303, core post 31b is set in accommodation space 330 and by one end butt to the first magnetic end cap 31a of core post 31b, and be sheathed on core post 31b upper (wire connecting portion 322 is towards the direction away from the first magnetic end cap 31a) by having towards the coil 32 of outward extending two wire connecting portion 322 of axis direction of housing 33, again in step S304, filling Magnaglo forms Magnaglo layer in accommodation space 330, to be coated coil 32 and core post 31b, finally in step S305, lid connect there are two perforates 311 the second magnetic end cap 31c in the second end 332 of housing 33 and the other end of butt core post 31b, so that the coil of Magnaglo layer 34 and sheathed core post 31b 32 is sealed and placed in accommodation space 330, and wherein, two wire connecting portion 322 stretch out the second magnetic end cap 31c via two perforates 311 respectively.
In other embodiments, also can first core post 31b or coil 32 be first arranged to the first magnetic end cap 31a above, then housing 33 is placed in to the first magnetic end cap 31a so that the coil 32 of sheathed core post 31b is accommodated in accommodation space 330.
Or, can first by the coil of sheathed core post 31b 32, with wire connecting portion 322, the mode towards the second magnetic end cap 31c direction be arranged on the second magnetic end cap 31c, and make two wire connecting portion 322 through the perforate 311 of the second magnetic end cap 31c, follow recombinant housing 33, filling Magnaglo and be connected the first magnetic end cap 31a with the opening of sealing accommodation space 330.
Therefore, the second magnetic end cap 31c is sealed in the coil of sheathed core post 31b 32 and Magnaglo layer 34 in accommodation space 330, forms closed magnetic path.
In sum, inductor of the present utility model there is the first magnetic end cap, core post and the second magnetic end cap (not limit shape), therefore can Multi-Tasking, and form easily I font, without cutting again supervisor, therefore do not have unnecessary waste material to produce.In addition, the first magnetic end cap, core post and the second magnetic end cap be optional to be selected different materials and makes, and reaches and dwindles core post size, the object reducing costs.Moreover the coil that the core post of separating and the first and second magnetic end caps are also conveniently made is sheathed in core post, promote the production efficiency of inductor.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting this creation.Any personage who has the knack of this skill all can, under the spirit and category without prejudice to this creation, modify and change above-described embodiment.Therefore, rights protection scope of the present utility model, claim is listed as described later.
Claims (7)
1. an inductor, is characterized in that, comprising:
Housing, has an accommodation space;
The first magnetic end cap, lid is connected to the first end of this housing;
Core post, be accommodated in the accommodation space of this housing and its one end butt to this first magnetic end cap;
Coil, be accommodated in this accommodation space and sheathed this core post in wherein, and there are outward extending two wire connecting portion of axis direction along this housing;
Magnaglo layer, is arranged in this accommodation space, coated this core post and coil; And
The second magnetic end cap, lid is connected to the second end of this housing and the other end of this core post of butt, so that the coil of this Magnaglo layer and sheathed this core post is sealed and placed in this accommodation space, and this second magnetic end cap is formed with two perforates and stretches out respectively this second magnetic end cap for these two wire connecting portion.
2. inductor according to claim 1, is characterized in that, this coil is formed by a wire spiral surrounding.
3. inductor according to claim 2, is characterized in that, this coil has the spire of sheathed this core post and extended described two wire connecting portion in these spire two ends certainly.
4. inductor according to claim 1, is characterized in that, the size of this first magnetic end cap is more than or equal to the physical dimension of this housing, and covers this housing is positioned to this first magnetic end should housing part having location division.
5. inductor according to claim 1, is characterized in that, the size of this second magnetic end cap is less than or equal to the inner dimensions of this housing, and the inwall that is arranged at this housing is to seal the opening of this accommodation space.
6. inductor according to claim 1, is characterized in that, the surface in order to these core post two ends of butt of this first or second magnetic end cap has junction surface, in order to the two ends of corresponding this core post of butt.
7. inductor according to claim 1, is characterized in that, this first and second magnetic end cap is disk or rectangular disk, and this housing is hollow circuit cylinder or hollow, rectangular post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549849.5U CN203521102U (en) | 2013-09-05 | 2013-09-05 | Inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549849.5U CN203521102U (en) | 2013-09-05 | 2013-09-05 | Inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203521102U true CN203521102U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320549849.5U Expired - Fee Related CN203521102U (en) | 2013-09-05 | 2013-09-05 | Inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203521102U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425098A (en) * | 2013-09-05 | 2015-03-18 | 重庆美桀电子科技有限公司 | Inductor and manufacturing method thereof |
| CN108604493A (en) * | 2016-02-29 | 2018-09-28 | 博立多媒体控股有限公司 | Electromagnetic induction device and preparation method thereof |
-
2013
- 2013-09-05 CN CN201320549849.5U patent/CN203521102U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104425098A (en) * | 2013-09-05 | 2015-03-18 | 重庆美桀电子科技有限公司 | Inductor and manufacturing method thereof |
| CN108604493A (en) * | 2016-02-29 | 2018-09-28 | 博立多媒体控股有限公司 | Electromagnetic induction device and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 |
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| CF01 | Termination of patent right due to non-payment of annual fee |