CN201886869U - Nei type magnetic core - Google Patents
Nei type magnetic core Download PDFInfo
- Publication number
- CN201886869U CN201886869U CN2010206129403U CN201020612940U CN201886869U CN 201886869 U CN201886869 U CN 201886869U CN 2010206129403 U CN2010206129403 U CN 2010206129403U CN 201020612940 U CN201020612940 U CN 201020612940U CN 201886869 U CN201886869 U CN 201886869U
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- magnetic core
- magnet
- side column
- type magnetic
- arm
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Abstract
The utility model relates to a magnetic core in inductive devices such as a choking coil and an electronic transformer and the like, in particular to an nEI type magnetic core. The utility model provides the magnetic core which can save the use amount of copper materials of an inductor and improve quality factor (i.e. Q value) of the inductive device when the inductor is used. The nEI type magnetic core is characterized by comprising at least two edge-column magnetic bodies and an I-shaped central-column magnetic body, wherein each edge-column magnetic body is provided with a straight arm, the two ends of the straight arm are respectively provided with two end bending arms, at least one central bending arm is arranged on the straight arm between the two end bending arms, and the end bending arms and the central bending arm are positioned at the same side of the straight arm; and the outward end surface of the bending arm of each edge-column magnetic body is attached towards the side surface of the I-shaped central-column magnetic body, so that the central-column magnetic body and the edge-column magnetic bodies are butted to form the nEI type magnetic core. The nEI type magnetic core has the advantages that the copper material is saved, and the quality factor is improved.
Description
Technical field
The utility model relates to the magnetic core in the inductance components such as choke and electronic transformer, relates in particular to nEI type magnetic core.
Background technology
Traditional coil class inductance component generally cooperates bobbin to form around last enamelled wire by EE type magnetic core or EI type magnetic core.In order to prevent that the magnetic saturation phenomenon from taking place, need in magnetic circuit, be provided with magnetic air gap, magnetic air gap places the center pillar of magnetic core usually, dispersing flux mainly is present near the magnetic air gap, dispersing flux makes near the coiler part the air gap lose the transformation of " electricity-magnetic ", and near the coil sections the air gap only plays filling effect.The big more dispersing flux of air gap amount is just big more, and the coil of invalid filling is also just many more, and the magnetic line of force vertically passes the line bag simultaneously, causes the certain power loss.Above-mentioned reason causes the increase of device self copper resistance and copper loss, and the power consumption of device is raise, and waste electric energy and copper material reduce useful life.
Summary of the invention
The purpose of this utility model is: provide a kind of when using in inductor, can save the copper material consumption of inductor and the magnetic core that improves inductance component quality factor (being the Q value).
The technical solution of the utility model is achieved in that nEI type magnetic core, it is characterized in that, comprises at least two side column magnets and an I font center pillar magnet; Described side column magnet is provided with a straight-arm, is respectively equipped with two end folding arms at the two ends of straight-arm, is provided with folding arm at least one on the straight-arm between two end folding arms, and end folding arm and middle folding arm are positioned at the same side of straight-arm; The export-oriented end face of side column magnet folding arm is affixed to the side of I font center pillar magnet, makes the center pillar magnet dock formation nEI magnetic core with the side column magnet.
The utility model is compared with " EE " type tradition magnetic core and is had the following advantages:
1. the utility model is saved copper material;
2. the utility model has improved quality factor (being the Q value).
Below in conjunction with drawings and Examples the utility model is described in detail.
Description of drawings
Fig. 1 is arranged on the nEI type magnetic core schematic diagram on the folding arm in the side column magnet for air gap;
Fig. 2 is for being arranged on air gap in the nEI type magnetic core schematic diagram of side column magnet and center pillar magnet joint;
Fig. 3 has the nEI type magnetic core schematic diagram of three middle folding arms for the side column magnet;
Fig. 4 is three side column magnets and the nEI type magnetic core schematic diagram that the center pillar magnet is formed;
Fig. 5 is four side column magnets and the nEI type magnetic core schematic diagram that the center pillar magnet is formed;
Fig. 6 is middle folding arm side column magnet more than four, air gap medium and the nEI type magnetic core schematic diagram that the center pillar magnet is formed.
Embodiment
Referring to Fig. 1, nEI type magnetic core is characterized in that, comprises at least two side column magnets 1 and an I font center pillar magnet 2; Described side column magnet is provided with a straight-arm 1-1, is respectively equipped with two end folding arm 1-2 at the two ends of straight-arm, is provided with folding arm 1-3 at least one on the straight-arm between two end folding arms, and end folding arm and middle folding arm are positioned at the same side of straight-arm; The export-oriented end face of side column magnet folding arm is affixed to the side of I font center pillar magnet, makes the center pillar magnet dock formation nEI magnetic core with the side column magnet.
The nEI type magnetic core of present embodiment is made up of two side column magnets and an I font center pillar magnet, and wherein the number of folding arm is one in the side column magnet, and its integral body is " E " font.When using in inductance component, can the export-oriented end face of folding arm in the side column magnet be ground, folding arm is shorter than the end folding arm in making, has formed magnetic air gap like this in magnetic circuit, can prevent the generation of magnetic saturation phenomenon effectively.
The utility model can be used with improved coil rack, and coil divides two winding directions to twine on the contrary to be arranged on the coil rack, and nIE type magnet is placed butt joint on the skeleton, can produce inductor through fixing and pressure-resistant treatments.
The cross section of described side column magnet straight-arm, end folding arm and middle folding arm is a kind of in rectangle or circle or semicircle or ellipse or the half elliptic.The cross section of described center pillar magnet is a kind of in rectangle or circle or semicircle or ellipse or the half elliptic.
Embodiment 2
Referring to embodiment 1 and Fig. 2, difference from Example 1 is, is provided with air gap medium 3 at the side column magnet; The export-oriented end face to folding arm in the side column magnet does not grind.Present embodiment with the air gap dielectric pad built in the end folding arm of side column magnet 1 and the joint of I font center pillar magnet 2, in nEI type magnetic core, just be provided with 6 magnetic air gaps like this, thereby the many air gaps of magnetic circuit have been formed, many air gaps of magnetic circuit are arranged so that the even of the more single magnetic air gap of magnetic circuit magnetic pressure distribution, reduced the influence of dispersing flux, thereby saved copper material coil.
Referring to embodiment 1 and Fig. 3, difference from Example 1 is that the number of the middle folding arm 1-3 of side column magnet 1 is three.
Embodiment 4
Referring to embodiment 1 and Fig. 4, difference from Example 1 is that the number of side column magnet is three.
Embodiment 5
Referring to embodiment 2 and Fig. 5, difference from Example 2 is that the number of side column magnet is four.
Embodiment 6
Referring to embodiment 5 and Fig. 6, difference from Example 5 is that the number of folding arm 1-3 is two in the side column magnet, and the number of air gap medium 3 is eight.
Embodiment 7
Referring to embodiment 1, difference from Example 1 is, on the middle folding arm of side column magnet magnetic air gap is not set.
Claims (10)
1.nEI the type magnetic core is characterized in that, comprises at least two side column magnets and an I font center pillar magnet; Described side column magnet is provided with a straight-arm, is respectively equipped with two end folding arms at the two ends of straight-arm, is provided with folding arm at least one on the straight-arm between two end folding arms, and end folding arm and middle folding arm are positioned at the same side of straight-arm; The export-oriented end face of side column magnet folding arm is affixed to the side of I font center pillar magnet, makes the center pillar magnet dock formation nEI magnetic core with the side column magnet.
2. nEI type magnetic core according to claim 1 is characterized in that, is made up of two side column magnets and an I font center pillar magnet.
3. nEI type magnetic core according to claim 1 is characterized in that, is made up of three side column magnets and an I font center pillar magnet.
4. nEI type magnetic core according to claim 1 is characterized in that, is made up of four side column magnets and an I font center pillar magnet.
5. nEI type magnetic core according to claim 2 is characterized in that the folding arm number is one in the described side column magnet, and side column magnet integral body is the E font.
6. nEI type magnetic core according to claim 2 is characterized in that the folding arm number is two in the described side column magnet.
7. nEI type magnetic core according to claim 2 is characterized in that the folding arm number is three in the described side column magnet.
8. nEI type magnetic core according to claim 3 is characterized in that the folding arm number is one in the described side column magnet.
9. nEI type magnetic core according to claim 4 is characterized in that the folding arm number is one in the described side column magnet.
10. nEI type magnetic core according to claim 5 is characterized in that, described side column magnet and center pillar magnet joint are provided with the air gap medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206129403U CN201886869U (en) | 2010-11-16 | 2010-11-16 | Nei type magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206129403U CN201886869U (en) | 2010-11-16 | 2010-11-16 | Nei type magnetic core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886869U true CN201886869U (en) | 2011-06-29 |
Family
ID=44184417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206129403U Expired - Lifetime CN201886869U (en) | 2010-11-16 | 2010-11-16 | Nei type magnetic core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077803A (en) * | 2011-10-25 | 2013-05-01 | 杨玉岗 | Interleaved magnetic integration type coupling inductor |
-
2010
- 2010-11-16 CN CN2010206129403U patent/CN201886869U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077803A (en) * | 2011-10-25 | 2013-05-01 | 杨玉岗 | Interleaved magnetic integration type coupling inductor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180206 Address after: 361006 Fujian Province, Xiamen city Tongan Industrial Zone Siming Park No. 186 Patentee after: Xiamen NanCi Electronics Co., Ltd. Address before: 365300 Fujian province Sanming City Qingliu County Longjin Town Dongcheng District Xin magnetic Industrial Park Patentee before: Qingliu County Xinci Coil Products Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |