CN202887904U - Inductance device - Google Patents
Inductance device Download PDFInfo
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- CN202887904U CN202887904U CN 201220557774 CN201220557774U CN202887904U CN 202887904 U CN202887904 U CN 202887904U CN 201220557774 CN201220557774 CN 201220557774 CN 201220557774 U CN201220557774 U CN 201220557774U CN 202887904 U CN202887904 U CN 202887904U
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- magnetic conductance
- core body
- conductance core
- inductance device
- magnetic
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Abstract
The utility model provides an inductance device which comprises a first magnetic conductance core body, a second magnetic conductance core body and a wire. The magnetic permeability of the second magnetic conductance core body is different from that of the first magnetic conductance core body. A magnetic conductance return circuit of the inductance device is formed by coupling of the first magnetic conductance core body and the second magnetic conductance core body by magnetic property. The wire is wound on the first magnetic conductance core body and the second magnetic conductance core body in an insulation mode. Cost of winding by manpower is reduced, stray capacitance generated by winding is reduced, and therefore high frequency efficiency of the inductance device is improved, and miniaturization of electronic products is easy to achieve.
Description
Technical field
The utility model system is about a kind of design of inductor, particularly about a kind of inductance device that uses the core body of different unit permeances.
Background technology
Often use inductor in the various electronic product, it has be used to reducing electromagnetic interference, control transient current, improving the functions such as power transfer and filtered noise.The basic framework of inductance is that an iron core and is wound in the coil that the peripheral stream of powering of iron core passes through.
Because electronic product when running, all may have noise current in various frequencies and produce.For the noise of while filtering different frequency range, general electronic products can arrange several inductors at circuit board, with the noise of the corresponding different frequency range of difference, keeps the signal of telecommunication quality of electronic product.
Yet, along with the installing quantity of inductor is more, though noise that can the more different frequency ranges of corresponding filtering has also taken more circuit space, cause the volume of electronic product to be difficult to reduction.In addition, too much inductor causes interfering with each other between the electromagnetic signal easily, additionally causes the problem of jitter.
The utility model content
Main purpose of the present utility model provides a kind of inductance device, to solve the above-mentioned problem that exists in the known techniques.
The utility model comprises: one first magnetic conductance core body for the technological means that the problem that solves known techniques adopts is a kind of inductance device; One second magnetic conductance core body has the unit permeance that is different from the first magnetic conductance core body, and the first magnetic conductance core body forms the magnetic conductive loop of inductance device by magnetic couplings the second magnetic conductance core body; And a wire, insulation is set around the first magnetic conductance core body and the second magnetic conductance core body.
In an embodiment of the present utility model, wherein also comprise an insulation crust, be arranged between wire and the first magnetic conductance core body and the second magnetic conductance core body.
In an embodiment of the present utility model, wherein insulation crust also has a sandwiched space, and the first magnetic conductance core body and the second magnetic conductance core architecture are arranged in the sandwiched space.
In an embodiment of the present utility model, wherein insulation crust has a winding groove in outer surface, is wound on the insulation crust for wire.
In an embodiment of the present utility model, wherein inductance device comprises at least two group wires.
In an embodiment of the present utility model, wherein one group of wire insulation is set around the first magnetic conductance core body, and another group wire insulation is set around the second magnetic conductance core body.
In an embodiment of the present utility model, wherein the first magnetic conductance core body and the second magnetic conductance core architecture are coupled into a coupling magnetic conductance core body, and coupling magnetic conductance core architecture comprises several core member that mutually combine.
In an embodiment of the present utility model, wherein the first magnetic conductance core body lays respectively at different core member from the second magnetic conductance core architecture.
In an embodiment of the present utility model, wherein core member is shaped as open configuration and has at least two open end, the corresponding combination of the open end of core member.
In an embodiment of the present utility model, wherein core member be shaped as closed configuration, and one of them core member and another core member are arranged side by side.
In an embodiment of the present utility model, wherein core member be shaped as closed configuration, and one of them core member and another core member are sheathed.
The utlity model has following useful technique effect:
The technological means that adopts via the utility model, by unit permeance different the first magnetic conductance core body and the second magnetic conductance core body, inductance device can arrange for the different demand of electronic product, can reach required inductive effect with the inductance quantity that reduces, also can reduce coil lock number, not only reduce the cost of manpower coiling, more can reduce the parasitic capacitance that coiling produces, and then the high frequency usefulness of lifting inductance device, and make the easier microminiaturization that reaches of electronic product.
In addition, by the first magnetic conductance core body is arranged at respectively different core member from the second magnetic conductance core body, can conveniently make.
Description of drawings
Fig. 1 is the stereogram that shows according to the inductance device of the first embodiment of the present utility model;
Fig. 2 is the explosive view that shows according to the inductance device of the first embodiment of the present utility model;
Fig. 3 is the stereogram that shows according to the inductance device of the second embodiment of the present utility model;
Fig. 4 is the explosive view that shows according to the inductance device of the second embodiment of the present utility model;
Fig. 5 a to Figure 10 b system shows the stereogram according to the coupling magnetic conductance core body of the inductance device of other embodiment of the present utility model.
The primary clustering symbol description
100,100A inductance device
1 first magnetic conductance core body
11,12,13, the 14 first sub-sections of magnetic conductance core body
2 second magnetic conductance core bodys
21,22,23,24,25, the 26 second sub-sections of magnetic conductance core body
3 wires
4,4A insulation crust
41,41A winding groove
42 line outlet grooves
The sandwiched space of S
Embodiment
The specific embodiment that the utility model adopts will and attachedly be graphic and be further described by following embodiment.
See also Fig. 1 and Fig. 2, Fig. 1 is the stereogram that shows according to the first embodiment of the present utility model, and Fig. 2 is the explosive view that shows according to the first embodiment of the present utility model.
As shown in Figures 1 and 2, comprise one first magnetic conductance core body 1, one second magnetic conductance core body 2, two groups of wires 3, an and insulation crust 4 according to the inductance device 100 of the first embodiment of the present utility model.The first magnetic conductance core body 1 and the second magnetic conductance core body 2 have different unit permeance, and the first magnetic conductance core body 1 forms the magnetic conductive loop (Magnetic Circuit) of inductance device 100 by magnetic couplings the second magnetic conductance core body 2.The coupling that wherein, can form magnetic conductive loop just is called magnetic couplings.For example, produce separately independently magnetic conductive loop after two core assembly bodies are responded to, by closely by put with these two groups independently magnetic conductive loop be combined into one group of magnetic conductive loop, circulate for magnetic force.It should be noted that two core assembly bodies are not to contact.The first magnetic conductance core body 1 and the second magnetic conductance core body 2 can be considered a coupling magnetic conductance core body through magnetic couplings.On Practical manufacturing, coupling magnetic conductance core body can comprise several core member that mutually combine.For example in the present embodiment, coupling magnetic conductance core body comprises the core member of the open configuration of two " ㄇ " shapes.Each core member has two open end, and according to corresponding open end and corresponding combination.Wherein, open configuration is tool geometry jaggy, for example L shape, C shape, ㄇ shape, and the E shape be open configuration.
The material that consists of the first magnetic conductance core body 1 can be selected from Ferrite Material and alloy type material.The alloy type material can be selected from nanometer grained material (Nano materials) and non-crystalline material (Amorphous materials), its initial unit permeance height but high frequency loss is serious.Ferrite Material then is selected from Ni-Zn series, MnZn system, copper zinc system, aluminium zinc system and magnesium manganese system, its initial unit permeance lower but when high frequency magnetic loss less.The material of the second magnetic conductance core body 2 can be similar to the first magnetic conductance core body 1, chosen from Fe ferrite and alloy type material.Preferably, one of them is Ferrite Material for the first magnetic conductance core body 1 and the second magnetic conductance core body 2, and another is the alloy type material.Different because of two groups of material inductance characteristics, when operation, even if the first magnetic conductance core body 1 enters saturation condition, still have the second different magnetic conductance core body 2 of inductance characteristic can carry out inductive function.But, as long as being different from the material of the first magnetic conductance core body 1, the first magnetic conductance core body 1 and the second magnetic conductance core body 2, the unit permeance of the second magnetic conductance core body 2 also can be all ferrite or alloy type material.
Please refer to Fig. 3 and Fig. 4, it is the inductance device 100A according to the second embodiment of the present utility model, and in the present embodiment, coupling magnetic conductance core body comprises the core member of the closed configuration of two groups of ring-types.The first magnetic conductance core body 1 lays respectively at different core member from the second magnetic conductance core body 2, the mutual fit of core member and make the first magnetic conductance core body 1 and the second magnetic conductance core body 2 magnetic couplings form magnetic conductive loop.Wherein, the closed configuration of core member is unnotched shape, such as rectangle, triangle, circle, and the configuration such as annular.
In addition, the coupling magnetic conductance core body of inductance device of the present utility model also can adopt alternate manner on making.Shown in Fig. 5 a, coupling magnetic conductance core body is divided into the core member of two groups of " L " shapes, and the first different magnetic conductance core body 1 of unit permeance lays respectively at different core member from the second magnetic conductance core body 2.By the replacement of core member, can rapid pin the different demand of electronic product be arranged out the combination of the first magnetic conductance core body 1 and the second magnetic conductance core body 2, reach required inductive effect.
Shown in Fig. 5 b and Fig. 5 c, it is similar to Fig. 5 a, and its difference is that the coupling magnetic conductance core body among Fig. 5 b is divided into the core member of two groups of Semicircular open configuration, and the coupling magnetic conductance core body among Fig. 5 c is divided into the core member of the open configuration of two groups of " E " shapes.By the variation of shape, also can provide the inductive effect different with the embodiment of Fig. 5 a.
Extremely shown in Figure 7 such as Fig. 6 a, it is similar to Fig. 5 c, difference be the coupling magnetic conductance core body among Fig. 6 a be divided into two rectangles closed configuration core member and be arranged side by side, the coupling magnetic conductance core body among Fig. 6 b is divided into the core member of two groups of ring-like closed configuration and is arranged side by side combination.Coupling magnetic conductance core body among Fig. 7 is divided into core member and the sheathed combination of two groups of rectangles.Different by set-up mode, the inductive effect different with the embodiment of Fig. 5 a also can be provided.
In addition, the first magnetic conductance core body 1 also can be distributed on the identical core member with the second magnetic conductance core body 2.Shown in Fig. 8 a, coupling magnetic conductance core body comprises the core member of two groups of " ㄇ " shapes.The first magnetic conductance core body 1 comprises that the sub-section 11 of the first magnetic conductance core body, 12,13,14, the second magnetic conductance core bodys 2 comprise the sub-section 21 of the second magnetic conductance core body, 22.Wherein, the sub-section 11 of the first magnetic conductance core body, the sub-section 21 of the 12 and second magnetic conductance core body are distributed in one of them core member, and the sub-section 13 of the first magnetic conductance core body, the sub-section 22 of the 14 and second magnetic conductance core body are distributed in another core member.By the first magnetic conductance core body 1 is arranged on the identical core member with different ratio arrangements from the second magnetic conductance core body 2, can provide more accurate inductive effect for the different demand of electronic product.
Shown in Fig. 8 b and Fig. 8 e, it is similar to Fig. 8 a, difference is that the sub-section 11 of the first magnetic conductance core body and the sub-section 21 of the second magnetic conductance core body among Fig. 8 b is distributed in one of them core member, the sub-section 12 of the first magnetic conductance core body and the sub-section 22 of the second magnetic conductance core body are distributed in another core member, and the sub-section 11 of the first magnetic conductance core body among Fig. 8 e and the sub-section 21 of the second magnetic conductance core body, 22,23 are distributed in the core member of one of them E shape, and the sub-section 12 of the first magnetic conductance core body and the sub-section 24 of the second magnetic conductance core body, 25,26 are distributed in the core member of another E shape.By the first magnetic conductance core body 1 and the second magnetic conductance core body 2 are arranged to be disposed on the core member in varing proportions, also can provide the inductive effect that is different from Fig. 8 a.
Shown in Fig. 8 c to Fig. 8 d, it is similar to Fig. 8 b, and difference is that the coupling magnetic conductance core body among Fig. 8 c comprises the core member of two groups of " L " shapes, and the coupling magnetic conductance core body among Fig. 8 d comprises two Semicircular core member.The difform core member of mat also can provide the inductive effect different with Fig. 8 a.
Shown in Fig. 9 a and Fig. 9 b, it is similar to Fig. 8 e, and difference is to comprise among Fig. 9 a two groups of rectangle core member that are arranged side by side and comprises two groups of annular core element members that are arranged side by side among Fig. 9 b, and the core member among Figure 10 b is annular and sheathed setting.By different set-up modes, also can provide the inductive effect different with Fig. 8 a.
Subsidiary one carries, and except the first magnetic conductance core body 1 and the second magnetic conductance core body 2 are arranged, the 3rd magnetic conductance core body can be arranged more, can arrange to be disposed on the core member for the demand of electronic product, and can be adjusted to more accurately required inductive effect.
The technological means that adopts via the utility model, by unit permeance different the first magnetic conductance core body 1 and the second magnetic conductance core body 2, inductance device can arrange for the different demand of electronic product, can reach required inductive effect with the inductance quantity that reduces, also can reduce coil lock number, not only reduce the cost of manpower coiling, more can reduce the parasitic capacitance that coiling produces, and then the high frequency usefulness of lifting inductance device, and make the easier microminiaturization that reaches of electronic product.In addition, by the first magnetic conductance core body is arranged at respectively different core member from the second magnetic conductance core body, can conveniently make.
Above narration only be preferred embodiment explanation of the present utility model, allly is skillful in this skill person when can doing according to above-mentioned explanation other all improvement, however these changes still belong to creation spirit of the present utility model and the claim that defines in.
Claims (11)
1. an inductance device is characterized in that, comprises:
One first magnetic conductance core body;
One is different from the second magnetic conductance core body of this first magnetic conductance core body unit permeance, and this first magnetic conductance core body forms the magnetic conductive loop of this inductance device by this second magnetic conductance core body of magnetic couplings; And
One wire, insulation is set around this first magnetic conductance core body and this second magnetic conductance core body.
2. inductance device as claimed in claim 1 is characterized in that, also comprises an insulation crust, is arranged between this wire and this first magnetic conductance core body and this second magnetic conductance core body.
3. inductance device as claimed in claim 2 is characterized in that, this insulation crust also has a sandwiched space, and this first magnetic conductance core body and this second magnetic conductance core architecture are arranged at this sandwiched space.
4. inductance device as claimed in claim 2 is characterized in that, this insulation crust has a winding groove in outer surface, is wound on this insulation crust for this wire.
5. inductance device as claimed in claim 1 is characterized in that, this inductance device comprises at least two group wires.
6. inductance device as claimed in claim 5 is characterized in that, this wherein one group of wire insulation be set around this first magnetic conductance core body, this another the group wire insulation be set around this second magnetic conductance core body.
7. inductance device as claimed in claim 1 is characterized in that, this first magnetic conductance core body and this second magnetic conductance core architecture are coupled into a coupling magnetic conductance core body, and this coupling magnetic conductance core architecture comprises several core member that mutually combine.
8. inductance device as claimed in claim 7 is characterized in that, this first magnetic conductance core body lays respectively at different core member from this second magnetic conductance core architecture.
9. inductance device as claimed in claim 7 is characterized in that, being shaped as open configuration and having at least two open end of those core member, the corresponding combination of the open end of those core member.
10. inductance device as claimed in claim 7 is characterized in that, those core member be shaped as closed configuration, and one of them core member and another core member are arranged side by side.
11. inductance device as claimed in claim 7 is characterized in that, those core member be shaped as closed configuration, and one of them core member and another core member are sheathed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557774 CN202887904U (en) | 2012-10-29 | 2012-10-29 | Inductance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557774 CN202887904U (en) | 2012-10-29 | 2012-10-29 | Inductance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202887904U true CN202887904U (en) | 2013-04-17 |
Family
ID=48079302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220557774 Expired - Lifetime CN202887904U (en) | 2012-10-29 | 2012-10-29 | Inductance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202887904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811189A (en) * | 2016-05-10 | 2016-07-27 | 耒阳市亚湘电子科技有限公司 | RJ45 internal module |
-
2012
- 2012-10-29 CN CN 201220557774 patent/CN202887904U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811189A (en) * | 2016-05-10 | 2016-07-27 | 耒阳市亚湘电子科技有限公司 | RJ45 internal module |
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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: 20130417 |
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| CX01 | Expiry of patent term |