CN201527888U - Electrical inductance assembly with clearance - Google Patents
Electrical inductance assembly with clearance Download PDFInfo
- Publication number
- CN201527888U CN201527888U CN2009201666866U CN200920166686U CN201527888U CN 201527888 U CN201527888 U CN 201527888U CN 2009201666866 U CN2009201666866 U CN 2009201666866U CN 200920166686 U CN200920166686 U CN 200920166686U CN 201527888 U CN201527888 U CN 201527888U
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- Prior art keywords
- core body
- gap
- inductive component
- distance piece
- wire distance
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- Expired - Lifetime
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Abstract
An electrical inductance assembly with a clearance comprises a first core body, a second core body and at least one linear spacer. The linear spacer is disposed between the first core body and the second core body, and the clearance is formed when the first core body is combined with the second core body. The electrical inductance assembly further comprises an adhesion agent, and the adhesion agent is coated on the first core body and/or the second core body for filling the clearance when the first core body is combined with the second core body so as to lead the first core body to be mutually adhered with the second core body. Accordingly, the electrical inductance assembly can control the size of the clearance of the electrical inductance assembly through the linear spacer, thereby increasing mutual adhesion between the first core body and the second core body, increasing accuracy of the size of the clearance by utilizing properties of the linear spacer, and then decreasing cost for manufacturing the electrical inductance assembly with the clearance.
Description
Technical field
The utility model is the Inductive component that has the gap about a kind of, more specifically, is the Inductive component that utilizes the size of wire distance piece control gap about a kind of.
Background technology
Inductive component is the passive component in the electronic circuit, and the basic building block of its composition is magnetic core and coil.In electronic circuit, because the inductance attribute of Inductive component, Inductive component has many kinds of forms, and is wherein a kind of for having the Inductive component in gap.Compared to gapless Inductive component, on Inductive component ferromagnetic, the gap is set, can make Inductive component have low inductance value and big electric current, this gap can prevent when electric current is flowed through Inductive component, causes Inductive component to enter the magnetic saturation state and can't use.
At the gap of Inductive component, generally speaking, this gap is big more, and the inductance value of Inductive component is more little; And this gap is more little, and then the inductance value of Inductive component is big more.Therefore understood, the size that can see through the gap of control Inductive component reaches required inductance value size.
See also Fig. 1, this illustrates the being seen on the market Inductive component 1 with low inductance value and big electric current at present, and it comprises core body 11, adhesive tape 12, solid 14, following core body 15 and coil 16.Particularly, can be arranged between core body 11 and the following core body 15 by resistant to elevated temperatures adhesive tape 12, form the gap when core body 11 is linked mutually with play core body 15, and utilize solid 14 will go up core body 11 and following core body 15 is sticked together.In addition, consistent in order to make core body 11 with the relative distance (being the size in gap) of following core body 15, as shown in Figure 1, can make the high temperature resistant adhesive tape 12 of larger area usually, and it is layed in core body 11 and contact-making surface following core body 15.
Therefore, such Inductive component 1 is a size of utilizing gap that can resistant to elevated temperatures adhesive tape 12 these Inductive components 1 of control, makes that then the inductance value of this Inductive component 1 is low more so adhesive tape 12 is thick more, and the thin more then inductance value of adhesive tape 12 is big more.
Yet the Inductive component of above-mentioned prior art has following shortcoming:
(1) contact area of high temperature resistant adhesive tape and core body is excessive.As shown in Figure 1, the high temperature resistant adhesive tape 12 of wide area that uses for the consistent size that makes the gap, part has been covered the contact-making surface that solid 13 contacts with last core body 11, that is, adhesive agent 14 can't stick together upper and lower core body 11,15 firmly entirely, causes upper and lower core body 11,15 gluing stabilitys not enough and come off.
(2) the precision deficiency of high temperature resistant adhesive tape.Because the gap length of Inductive component can influence its inductance characteristic, therefore in process of production, the size in the gap of Inductive component needs consistent, yet, the tolerance of the employed adhesive tape of prior art (being the difference of each adhesive tape thickness) is excessive, causes the inductance characteristic of each Inductive component to unify.
(3) cost height.The size of the high temperature resistant adhesive tape of being sold on the market at present is limited, selectable kind scope is little, mostly need be customized especially according to user's demand, and each user's demand is not quite similar, therefore under no mass-produced situation, the cost of Inductive component that causes making all size is too high.
In sum, how to provide a kind of Inductive component cheaply, its in order to the object that produces the gap can be high temperature resistant, little and have pinpoint accuracy with the contact area of core body, become the problem that needs to be resolved hurrily at present then.
The utility model content
Shortcoming in view of above-mentioned prior art, the utility model provides a kind of Inductive component with gap, comprise first core body, second core body and at least one wire distance piece, this wire distance piece is arranged between this first core body and this second core body, to form this gap during in conjunction with this second core body at this first core body.
In a form of implementation, Inductive component of the present utility model also comprises solid, this solid is coated this first core body and/or this second core body, in order to be filled in this gap at this first core body during in conjunction with this second core body, so that this first core body and this second core body stick together mutually.
In another form of implementation, above-mentioned wire distance piece is the metals of 125 degree can be anti-Celsius at least, and the area perpendicular to arbitrary cross section of this distance piece bearing of trend of this wire distance piece is identical.
In a form of implementation again, E font, I font or H font that above-mentioned this first core body or this second core body are English alphabet.
Therefore, the Inductive component with gap of the present utility model can form this gap by this wire distance piece, and because the low cost of this wire distance piece, with the little and high accurancy and precision of core body contact area, solved the existing disappearance of prior art.
Description of drawings
Fig. 1 represents the basic framework schematic diagram of the planar adhesive tape of utilizing of prior art as the Inductive component of distance piece;
Fig. 2 A represents the basic framework schematic diagram with the E font Inductive component in gap of the present utility model;
Fig. 2 B is the end view of the Inductive component of Fig. 2 A;
Fig. 3 represents the basic framework schematic diagram of another embodiment of the E font Inductive component with gap of the present utility model;
Fig. 4 represents the basic framework schematic diagram with the H font Inductive component in gap of the present utility model; And
Fig. 5 represents the basic framework schematic diagram with the I font Inductive component in gap of the present utility model.
[primary clustering symbol description]
1 Inductive component
Core body on 11
12 adhesive tapes
14 solids
15 times core bodys
16 coils
2,3,4,5 Inductive components
21,31,41,51 first core bodys
22,32,42,52 second core bodys
212, position, 222,322,422,522 stage casing
23,33,43,53 wire distance pieces
24,34,44,54 coils
25 gaps
Embodiment
Below by particular specific embodiment execution mode of the present utility model is described, person skilled in the art scholar 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 spirit of the present utility model.
Following examples further describe viewpoint of the present utility model, but are not to limit scope of the present utility model anyways.
See also Fig. 2 A, this figure is the basic framework schematic diagram in order to an embodiment who represents the Inductive component with gap of the present utility model, need to specify, this Inductive component 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 Inductive component 2 with gap comprises first core body 21, second core body 22, wire distance piece 23 and coil 24.
See also Fig. 2 B, this figure is the end view of the Inductive component of Fig. 2 A.As shown in the figure, wire distance piece 23 is arranged between first core body 21 and second core body 22, because wire distance piece 23 occupies entity space, therefore in conjunction with first core body 21 and this second core body 22 time, wire distance piece 23 can cause forming between first core body 21 and second core body 22 gap 25.In one embodiment, the area perpendicular to arbitrary cross section of the bearing of trend of this wire distance piece 23 of wire distance piece 23 is identical, that is the whole thickness of wire distance piece 23 from initiating terminal to the ending end is all identical.In the embodiment shown in Fig. 2 A, the 2B, the cross sectional shape perpendicular to this distance piece bearing of trend of wire distance piece 23 is circular, that is wire distance piece 23 is a slender cylinder.Such design can make wins core body 21 and second core body 22 when combining, and its opposite face is parallel not crooked, and reduce wire distance piece 23 respectively with the contact area of first core body 21 and second core body 22.
In addition, can be in the manufacturing process of Inductive component through high temperature (about 135 ℃, positive and negative approximately 10 ℃ of error) baking program, the material of the employed wire distance piece 23 of the utility model for bearing at least 125 ℃ of high temperature, for example copper of metal material.In addition, by above-mentioned description to wire distance piece 23 as can be known, wire distance piece 23 has can bear high temperature, identical (under preferred versions perpendicular to the radius in arbitrary cross section of the bearing of trend of wire distance piece 23, the cross sectional shape perpendicular to line distance piece 23 bearing of trends of wire distance piece 23 is circular) characteristic, the preferred versions of wire distance piece 23 can be copper cash.
What this need illustrate be, because the effect of wire distance piece 23 only is at first core body 21 during in conjunction with second core body 22, form gap 25 in order to spaced apart first core body 21 and second core body 22, therefore, the configuration quantity of wire distance piece 23 and orientation are not limited to shown in Fig. 2 A or the 2B.
Understood by the foregoing description, wire distance piece 23 is in order to when first core body 21 combines with second core body 22, separates first core body 21 and second core body 22 to form gap 25.Moreover, because making, the ductility of metal when with the metal being material wire distance piece, can be drawn into the same from the beginning to the end size, the radius of the wire distance piece that each cutting is finished when then cutting the wire distance piece and being predetermined length is all identical.Thus, when making the Inductive component 2 shown in Fig. 2 A, because the size accuracy height of wire distance piece 23 then can get all identical Inductive component of gap length.In addition, because the contact area of wire distance piece 23 and first core body 21 and second core body 22 is little, existing Inductive component compared to Fig. 1, then more do not hinder the spreading area of solid between first core body 21 and second core body 22, so significantly promote the effect of sticking together between first core body 21 and second core body 22.
In addition, owing to utilize the made wire distance piece of copper cash can be easy to be made into the high and characteristic cheaply of various different sizes (radius), accuracy, and copper cash is generally the material of lead and the coil of Chang Zuowei Inductive component uses.In embodiment of the present utility model, copper cash also can be used as wire distance piece of the present utility model, thereby between first core body and second core body, form the gap with interval first core body and second core body, therefore lower by the Inductive component cost of wire distance piece (as copper cash) made.
Therefore, use copper cash of the present utility model compared to the Inductive component of the planar adhesive tape of the use of prior art as distance piece, has that cost is low as the Inductive component of wire distance piece, stick together the high effect of stability between gap precision height, first core body and second core body.
Moreover, seeing also Fig. 3 to 5, these figure are basic framework schematic diagrames of more embodiment of the Inductive component with gap of the present utility model.The basic building block of the Inductive component shown in Fig. 3 to 5 is identical with the Inductive component shown in Fig. 2 A, below is described at not existing together of Inductive component.
As shown in Figure 3, this figure is the basic framework schematic diagram of another embodiment of the Inductive component with gap of the present utility model.This Inductive component 3 with gap comprises first core body 31, second core body 32, wire distance piece 33, coil 34 and solid (not shown).First core body 31 is a cuboid, and only second core body 32 is an English alphabet E font, and the coil 34 of Inductive component 3 can be arranged at the position, stage casing 322 of second core body 32 of E font.Solid can be coated on first core body 31 and/or second core body 32 side towards the gap, and wire distance piece 33 is arranged between first core body 31 and second core body 32, to form the gap during in conjunction with second core body 32, so that first core body 31, wire distance piece 33 and second core body 32 stick together mutually at first core body 31.
As shown in Figure 4, this figure is the basic framework schematic diagram of the another embodiment of the Inductive component with gap of the present utility model.First core body 41 is a cuboid, and only second core body 42 is an English alphabet H font, and the coil 44 of Inductive component 4 can be arranged at the position, stage casing 422 of second core body 42 of H font, and in first core body 41 and 42 in second core body two groups of wire distance pieces 43 is set.As shown in Figure 5, this figure is the basic framework schematic diagram of an embodiment again of the Inductive component with gap of the present utility model.First core body 51 is a cuboid, and only second core body 52 is an English alphabet I font, and the coil 54 of Inductive component 5 can be arranged at the position, stage casing 522 of second core body 52 of I font, and at first core body 51 and 52 in second core body two groups of wire distance pieces 53 is set.
Therefore, embodiment by Fig. 3 to 5 is understood, the embodiment of Fig. 3 to the 5 only core of Inductive component changes (as E font, H font or I font), for the gap size of Inductive component, all controlled, by the wire distance piece being arranged between first core body and second core body when first core body combines second core body, to form the gap of Inductive component by the wire distance piece.
In sum, the Inductive component with gap of the present utility model has following effect:
(1) contact area of wire distance piece and core body is little, causes the stable height that sticks together between first core body and second core body.Because solid is coated on the side towards the gap of this first core body and/or this second core body, and be provided with this wire distance piece between this first core body and this second core body, therefore the contact area of wire distance piece and core body is less then can reduce the area that sticks together that hinders between this first core body and this second core body, and then increases the tackness between this first core body and this second core body.
(2) size of wire distance piece itself has high accurancy and precision, causes the size in the gap that is subjected to the Inductive component that this wire distance piece controlled also to have high accurancy and precision.Because the area perpendicular to arbitrary cross section of this wire distance piece bearing of trend of wire distance piece is identical, thereby the size all identical (that is the tolerance between each wire distance piece is little) of each section wire distance piece that is cut perpendicular to this wire distance piece bearing of trend, utilization this wire distance piece is arranged between this first core body and this second core body and when this first core body combines this second core body formed gap, the precision height of its size, this wire distance piece is the gap size of may command Inductive component not only, more can guarantee the consistency of the gap size of each Inductive component.
(3) low cost of wire distance piece causes and utilizes the cost of the made Inductive component with gap of wire distance piece low.Owing to the characteristic that is easy to be made into required size of wire distance piece, the finished product of the wire distance piece of plurality of specifications is arranged on the market, thereby the cost that is spent is also lower when the wire distance piece that utilizes preliminary dimension is made Inductive component.
The foregoing description is illustrative principle of the present utility model and effect only, but not is used to limit the utility model.Any personage who has the knack of this technology all can be under spirit of the present utility model and scope, and the foregoing description is made amendment and changed.Therefore, rights protection scope of the present utility model, claim is listed as described later.
Claims (10)
1. the Inductive component with gap is characterized in that, comprising:
First core body;
Second core body; And
At least one wire distance piece, this at least one wire distance piece are arranged between this first core body and this second core body, to form this gap during in conjunction with this second core body at this first core body.
2. the Inductive component with gap as claimed in claim 1, also comprise solid, this solid is coated this first core body and/or this second core body, in order to be filled in this gap at this first core body during in conjunction with this second core body, so that this first core body and this second core body stick together mutually.
3. the Inductive component with gap as claimed in claim 2 is characterized in that this solid is heat curing-type solid, thermoplastics type's solid, silica gel solid or epoxy solid.
4. the Inductive component with gap as claimed in claim 1 is characterized in that, the material of this wire distance piece is a metal.
5. the Inductive component with gap as claimed in claim 4 is characterized in that, this metal can anti-125 degree Celsius at least.
6. the Inductive component with gap as claimed in claim 4 is characterized in that, this wire distance piece is a copper cash.
7. the Inductive component with gap as claimed in claim 1 is characterized in that, the cross sectional shape perpendicular to this wire distance piece bearing of trend of this wire distance piece is circular.
8. the Inductive component with gap as claimed in claim 1 is characterized in that, the area perpendicular to arbitrary cross section of this wire distance piece bearing of trend of this wire distance piece is identical.
9. the Inductive component with gap as claimed in claim 1 is characterized in that, this core body is a magnetic material.
10. the Inductive component with gap as claimed in claim 1 is characterized in that, E font, I font or H font that this first core body or this second core body are English alphabet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201666866U CN201527888U (en) | 2009-07-10 | 2009-07-10 | Electrical inductance assembly with clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201666866U CN201527888U (en) | 2009-07-10 | 2009-07-10 | Electrical inductance assembly with clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201527888U true CN201527888U (en) | 2010-07-14 |
Family
ID=42519171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201666866U Expired - Lifetime CN201527888U (en) | 2009-07-10 | 2009-07-10 | Electrical inductance assembly with clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201527888U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974986A (en) * | 2010-09-10 | 2011-02-16 | 上海欧一安保器材有限公司 | Electromagnetic lock structure of a magnetic door lock and processing method thereof |
| CN101950651B (en) * | 2009-07-10 | 2012-07-25 | 美桀电子科技(深圳)有限公司 | Inductance assembly with gap and manufacturing method thereof |
-
2009
- 2009-07-10 CN CN2009201666866U patent/CN201527888U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950651B (en) * | 2009-07-10 | 2012-07-25 | 美桀电子科技(深圳)有限公司 | Inductance assembly with gap and manufacturing method thereof |
| CN101974986A (en) * | 2010-09-10 | 2011-02-16 | 上海欧一安保器材有限公司 | Electromagnetic lock structure of a magnetic door lock and processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100714 |
|
| CX01 | Expiry of patent term |