CN201489940U - Inductance component - Google Patents
Inductance component Download PDFInfo
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- CN201489940U CN201489940U CN2009201684262U CN200920168426U CN201489940U CN 201489940 U CN201489940 U CN 201489940U CN 2009201684262 U CN2009201684262 U CN 2009201684262U CN 200920168426 U CN200920168426 U CN 200920168426U CN 201489940 U CN201489940 U CN 201489940U
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- extension
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- inductance element
- core body
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Abstract
The utility model provides an inductance component which comprises a coil, a core body and an encapsulation body, wherein the coil comprises a first extending part, a second extending part and an expansion part respectively connected with the first extending part and the second extending part, wherein the expansion part is in a spiral shape so as to form a hollow part; the core body is provided with a first part and a second part, and the first part is sheathed inside the hollow part of the coil; the encapsulation body is used for covering the expansion part of the coil as well as the first and the second parts of the core body, and the first extending part and the second extending part are exposed outside the encapsulation body and fixed by the encapsulation body; and the first extending part and the second extending part are used for being connected with external electronic equipment. Therefore, by utilizing the design of the core body, the inductance component can improve the inductance value, and the encapsulation body can lead the distance between the extending parts to be fixed and ensure the coil not to be damaged by external force.
Description
Technical field
The utility model relates to a kind of inductance element, particularly relates to a kind of inductance element that improves inductance value.
Background technology
Inductance element is the passive component in the electronic circuit, and the basic building block of forming it is magnetic core and coil.As everyone knows, can produce magnetic field around the general current carrying conductor, and the variation of the contained electric current of current carrying conductor can cause the variation of magnetic flux, produces electromotive force simultaneously revolting the variation of this electric current, and inductance promptly changes caused electromotive force in order to measure current unit.When electric current increased, inductance element temporarily stored the energy of the electricity pattern with magnetic field, the energy in magnetic field was discharged when electric current reduces by the time again.The merit that the stored energy (or the electromotive force that is produced) of inductance element is done for the magnetic field of the electric current foundation of this inductance element of flowing through.
The structure of general inductance element is shown in Figure 1A, inductance element shown in this figure comprises: a coil 1, it is made of first extension 11, second extension 12 and the expansion section 13 that links first extension 11 and second extension 12 respectively, and expansion section 13 for helical form to form a hollow bulb 14; One core body 2, it is a long column shape, and this core body 2 passes and be arranged at the hollow bulb 14 of coil 1.
Then see also Figure 1B, Figure 1B is for passing to the coil 1 of inductance element shown in Figure 1A in the schematic diagram of the magnetic line of force H that is produced behind the electric current.As shown in the figure, around the number of turn, the length (around length) of coil 1, the sectional area (thickness of line) of coil 1, the relative permeability of core material and the size that magnetic line of force path (magnetic circuit) all can have influence on inductance value of the coil 1 of core body 2.
The inductance element of above-mentioned prior art has following shortcoming:
(1) magnetic line of force path length.Magnetic line of force path that H walks (abbreviation magnetic circuit) is long more, and under the constant situation of other factors (for example coil encircling length, coil turn etc.), the inductance value of inductance element is low more.
The spacing of (2) two extensions 11,12 can't be fixed.Shown in Figure 1B, two extensions 11,12 extend beyond this core body 2, are easy in the process of transporting owing to no any fixture causes pin apart from crooked serious.
(3) outside coil is exposed to.Shown in Figure 1B, because coil 1 outer nothing is provided with protective, coil 1 is subjected to the external force scratch easily, causes the characteristic of inductance element to produce unusual.
In sum, how to provide a kind of inductance value that promotes, and the spacing that can fix two extensions, and can protect coil not to be subjected to the inductance element of damage, become the problem that needs to be resolved hurrily at present then.
The utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of inductance element, in order to promoting inductance value, and the spacing that can fix two extensions, and can protect coil not to be subjected to damage.
Reach other relevant purposes for achieving the above object, the utility model provides a kind of inductance element, it comprises: coil, it is made of first extension, second extension and the expansion section that links this first extension and this second extension respectively, wherein, this expansion section curl is to form a hollow bulb; Core body, it has first position and second position, and this first position is sheathed in the hollow bulb of this coil; And packaging body, it is in order to the expansion section that coats this coil, first position and second position of this core body.
In an example, above-mentioned packaging body partly coats this first extension and this second extension, and this first extension and this second extension expose to this packaging body, so this first extension and this second extension are fixed by this packaging body.
In another example, above-mentioned packaging body is an insulating material, and the filling of the space between this coil and this core body has this insulating material.And this core body can be magnetic material.
Therefore, the spacing that inductance element of the present utility model can not be subjected to the external force scratch and can fix two extensions by this packaging body protection coil, and help promoting inductance value because magnetic-path is short, with the existing disappearance of solution prior art.
Description of drawings
Figure 1A is the decomposing schematic representation of the basic framework of the inductance element of expression prior art;
Figure 1B is the schematic diagram of the magnetic line of force that inductance element produced of expression prior art;
Fig. 2 A is the decomposing schematic representation of the basic framework of the embodiment of expression inductance element of the present utility model;
Fig. 2 B is the schematic diagram of the embodiment of expression inductance element of the present utility model;
Fig. 3 A is the decomposing schematic representation of the basic framework of another embodiment of expression inductance element of the present utility model;
Fig. 3 B is the schematic diagram of another embodiment of expression inductance element of the present utility model.
Embodiment
Below by particular specific embodiment execution mode of the present utility model is described, those skilled in the art can understand other advantage of the present utility model and effect easily by the content that this specification disclosed.The utility model also can be implemented or be used by other different specific embodiment, and the every details in this specification also can be carried out various modifications and change based on different viewpoints and application under not departing from the situation of spirit of the present utility model.
Following examples further describe viewpoint of the present utility model, but are not to limit category of the present utility model anyways.
See also Fig. 2 A, it is the decomposing schematic representation in order to the basic framework of an embodiment who represents inductance element of the present utility model, of particular note, this inductance element can comprise other member in addition, be simplicity of illustration and explanation, basic framework herein only shows the member relevant with the utility model.
Shown in Fig. 2 A, this inductance element comprises coil 1 and core body 2.
Inductance element also comprises packaging body 4.See also Fig. 2 B, it is the schematic diagram of an embodiment of demonstration inductance element of the present utility model.Shown in Fig. 2 B, first position 21 of core body 2 is passed and is arranged in the hollow bulb 14 of coil 1, and two extensions 11,12 extend towards the direction with respect to the end at second position 22 at first position 21, that is core body 2 is positioned at mode and coil 1 socket away from first extension 11, second extension 12 with its second position 22.Utilize a canned program that the expansion section 13 of coil, first position 21 of core body 2, second position 22 of core body 2 are encapsulated to form a packaging body 4, this packaging body 4 partly coats extension 11,12, exposes to packaging body 4 so that the extension 11,12 of coil 1 extends.In addition, packaging body 4 has also been clogged in the space between coil 1 and the core body 2.In the present embodiment, the material of packaging body 4 can be insulating material, for example plastics, resin etc.
What this need illustrate be, because the effect of packaging body 4 is not subjected to the external force scratch it except protection coil 1 and core body 2, also have securing elongated 11, an effect of 12, that is fix the spacing between two extensions 11,12.Therefore, packaging body 4 is not the square body that is limited to shown in Fig. 2 B, as long as coil 1 (expansion section 13, the part extension 11,12 that comprise coil) and core body 2 (comprising first position 21, second position 22) can be coated and fix the spacing of two extensions 11,12, and make extension 11,12 extend packaging body 4 outer getting final product.In addition, the bearing of trend that is exposed to the extension 11,12 of packaging body 4 can be equidirectional or is rightabout (being illustrated), looks the side circuit design conditions fully and decides.In addition, the length of extending the extension 11,12 of packaging body 4 can be identical, thus, and convenient packing engineering teacher's assembling in the future.
Therefore, inductance element of the present utility model utilizes the core body of structure unlike the prior art, and it comprises first position and second position (as shown in Figure 2, first position 21 of core body 2 and second position 22 are integrally formed as the T font) of two columns.Therefore, compared to prior art, the magnetic circuit that inductance element of the present utility model produced (path of the magnetic line of force) is shorter, can have higher inductance value.Moreover; because inductance element of the present utility model utilizes the coil and the core body of packaging body package inductance element; and this packaging body is also clogged the space between this coil and core body; therefore; packaging body both can have been fixed the relative position of this coil and this core body; but the also spacing of two extensions of fixed coil further can be protected this coil not to be subjected to external force infringement (as scratch) in the process of transporting and avoids causing the inductance element characteristic unusual by this packaging body.
Moreover, seeing also Fig. 3 A, 3B, Fig. 3 A is the decomposing schematic representation of basic framework of another embodiment of inductance element of the present utility model, and Fig. 3 B is the schematic diagram of another embodiment of inductance element of the present utility model.Inductance element comprises coil 1, core body 2 and packaging body 4.Coil 1 is made of first extension 11, second extension 12 and the expansion section 13 that links first extension 11 and second extension 12 respectively, and wherein, expansion section 13 curls are to form hollow bulb 14.Core body 2 comprises first position 21 and second position 22, and first position 21 is sheathed on the hollow bulb 14 of coil 11.Packaging body 4 is in order to the expansion section 13 that coats coil 1, partly first position 21 and second position 22 of extension 11,12, core body 2, and two extensions 11,12 extend and expose to packaging body 4.
Identical at inductance element shown in the basic building block of Fig. 3 A and the inductance element shown in the 3B and Fig. 2 A, the 2B, below only be described at not existing together of two kinds of inductance elements.In Fig. 2 A, 2B illustrated embodiment, first position 21 of core body 2 is sheathed on the hollow bulb 14 of coil 1, and core body 2 is positioned at mode and coil 1 socket away from first extension 11, second extension 12 with its second position 22.Compared to Fig. 2 A, 2B, in the embodiment shown in Fig. 3 A, the 3B, first position 21 of core body 2 is sheathed on the hollow bulb 14 of coil 1, and core body 2 is positioned at mode and coil 1 socket near first extension 11, second extension 12 with its second position 22.In addition, the side at second position 22 can be provided with two grooves 23,23 ', passes through so that two extensions 11,12 that extend towards the direction at first position 21 of core body 2 to be provided respectively.
In sum, inductance element of the present utility model has following effect:
(1) magnetic circuit is short, can promote inductance value.The core body of inductance element of the present utility model comprises two positions, and the magnetic circuit that this inductance element is produced is short than the magnetic circuit that core body produced at the single position of prior art, therefore, can promote the inductance value of inductance element.
(2) two extensions can be fixed by packaging body, and it is more convenient to make when this inductance element is assembled or welded.Inductance element of the present utility model utilizes packaging body that core body (comprising first position and second position) and coil are encapsulated and exposes two extensions, and packaging body has also been clogged in the space between core body and the coil, so this packaging body can extend the spacing of two extensions of this packaging body.
(3) avoid coil to suffer the external force infringement.The packaging body of inductance element of the present utility model can protect coil (or coil) not to be subjected to external force damage (as scratch), avoids the issuable abnormal characteristic of inductance element.
The foregoing description is exemplary illustration principle of the present utility model and effect only, but not is used to limit the utility model.Any those skilled in the art all can be under the situation of spirit of the present utility model and category, and the foregoing description is modified and changed.Therefore, rights protection scope of the present utility model should be listed as the claims scope.
[main element symbol description]
1 coil
11 first extensions
12 second extensions
13 expansion sections
14 hollow bulbs
2 core bodys
21 first positions
22 second positions
23,23 ' groove
4 packaging bodies
Claims (10)
1. an inductance element is characterized in that, described inductance element comprises:
Coil, it is made of first extension, second extension and the expansion section that links this first extension and this second extension respectively, and wherein, this expansion section curl is to form a hollow bulb;
Core body, it has first position and second position, and this first position is sheathed in the hollow bulb of this coil; And
Packaging body, it is in order to the expansion section that coats this coil, first position and second position of this core body.
2. inductance element as claimed in claim 1, it is characterized in that, this packaging body partly coats this first extension and this second extension, first extension and second extension of this coil expose to this packaging body, and by this first extension and this second extension as the usefulness that is connected with external electronic.
3. inductance element as claimed in claim 1 is characterized in that, first extension and second extension of this coil extend in the same direction, and this core body is positioned at mode and this coil socket away from this first extension and this second extension with its second position.
4. inductance element as claimed in claim 1 is characterized in that, first extension and second extension of this coil extend in the same direction, and this core body is positioned at mode and this coil socket near this first extension and this second extension with its second position.
5. inductance element as claimed in claim 4 is characterized in that, the side at second position of this core body has two grooves, with ccontaining this first extension of difference and this second extension.
6. inductance element as claimed in claim 1 is characterized in that, first extension of this coil and second extension be extension in the opposite direction.
7. inductance element as claimed in claim 1 is characterized in that, first position of this core body and second position are column, and the sectional area at this second position is greater than the sectional area at this first position.
8. inductance element as claimed in claim 7 is characterized in that, first position of this core body and second position are cylinder, and the radius at this second position is greater than the radius at this first position.
9. inductance element as claimed in claim 1 is characterized in that, this packaging body is an insulating material, and the filling of the space between this coil and this core body has this insulating material.
10. inductance element as claimed in claim 1 is characterized in that, has the T font that is shaped as English alphabet of the core body at this first position and this second position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201684262U CN201489940U (en) | 2009-07-23 | 2009-07-23 | Inductance component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201684262U CN201489940U (en) | 2009-07-23 | 2009-07-23 | Inductance component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201489940U true CN201489940U (en) | 2010-05-26 |
Family
ID=42428809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201684262U Expired - Fee Related CN201489940U (en) | 2009-07-23 | 2009-07-23 | Inductance component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201489940U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915236A (en) * | 2014-04-01 | 2014-07-09 | 黄伟嫦 | Novel inductor and manufacturing method thereof |
| CN104240898A (en) * | 2014-09-30 | 2014-12-24 | 黄伟嫦 | Integrally formed inducer and manufacturing method thereof |
| CN104616878A (en) * | 2014-12-30 | 2015-05-13 | 深圳顺络电子股份有限公司 | Miniature compression molding inductance element and manufacturing method thereof |
-
2009
- 2009-07-23 CN CN2009201684262U patent/CN201489940U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915236A (en) * | 2014-04-01 | 2014-07-09 | 黄伟嫦 | Novel inductor and manufacturing method thereof |
| CN104240898A (en) * | 2014-09-30 | 2014-12-24 | 黄伟嫦 | Integrally formed inducer and manufacturing method thereof |
| CN104616878A (en) * | 2014-12-30 | 2015-05-13 | 深圳顺络电子股份有限公司 | Miniature compression molding inductance element and manufacturing 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: 20100526 Termination date: 20140723 |
|
| EXPY | Termination of patent right or utility model |