CN2539261Y - Improved magnetic core with magnetic ring for miniature inductor - Google Patents
Improved magnetic core with magnetic ring for miniature inductor Download PDFInfo
- Publication number
- CN2539261Y CN2539261Y CN 02230364 CN02230364U CN2539261Y CN 2539261 Y CN2539261 Y CN 2539261Y CN 02230364 CN02230364 CN 02230364 CN 02230364 U CN02230364 U CN 02230364U CN 2539261 Y CN2539261 Y CN 2539261Y
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- China
- Prior art keywords
- base
- magnet ring
- iron core
- drum type
- type iron
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an improved magnetic core with a magnetic ring for miniature electric inductance, which comprises a base, more than two conducting parts, a drum-shaped iron core, a magnetic loop and a positioning part, wherein the more than two conducting parts are arranged on the base, the circumferential surface of the drum-shaped iron core is provided with a wire chase, the wire chase is wound with windings, and the magnetic loop is arranged on the periphery of the drum-shaped iron core. The two conducting parts are integrall arranged on the base, and the conducting parts are arranged on the bottom surface of the base at least. A positioning part is arranged at the middle position of the top of the base. The positioning part is a hole extending downwards. The depth of the positioning part is shorter than the height of the drum-shaped iron core. The drum-shaped iron core is arranged on the positioning part of the base, and the magnetic loop is arranged on the top side of the base. Thus, the goals of the conformation simplification, the easy manufacture and the reduction of the production cost are achieved.
Description
Technical field
The utility model relates to a kind of improvement magnetic core that the magnet ring miniature inductance is used that has, and especially refers to a kind ofly by directly being integrally formed with this two conducting portion with metal treatment, and is provided with the improvement magnetic core that the miniature inductance with magnet ring of the location division of positioning drum sections core is used.
Background technology
As shown in Figure 6, existing miniature inductance magnetic core 9, it has the base 91 that a pottery or plastic cement village matter are made, these base 91 both side ends are pasted respectively and are provided with a metallic laminas 92, and be provided with a magnet ring 93 and a drum type iron core 95 in the middle of this base 91, and the periphery of this drum type iron core 95 is provided with a wire casing 951, and this wire casing 951 is for winding around 97, and will be sheathed on this magnet ring 93, and the both ends 971 of this coil 97 are divided into the metallic laminas 92 of both sides.
Yet, this kind miniature inductance is numerous and diverse with magnetic core 9 members, and quite bother in the manufacturing, except that this base 91, and metallic laminas 92 must make respectively, and need paste the base 91 that this metallic laminas 92 is made in pottery or plastic cement material respectively, especially, the miniature inductance of this kind tool magnet ring is quite little with magnetic core 9 volumes, more cause the difficulty in the operation, production cost is also high.In the performance of inductance value, be subject to the base 91 that pottery or plastic cement material are made, and the performance of overall inductance amount also is difficult to again for promoting.
Moreover existing electronic component is many towards compact designer trends, and not only whole height is quite high but the miniature inductance of this kind tool magnet ring is with magnetic core 9, and because of locating the problem that deficiency causes magnet ring 93 and drum type iron core 95 to be shifted, to come off easily.
Summary of the invention
Main purpose of the present utility model is to provide a kind of improvement magnetic core that the magnet ring miniature inductance is used that has, by making base with magnetic material, directly be integrally formed with this two conducting portion with metal treatment, the drum type iron core can be located at the location division of this base, to reach simplified construction, to be easy to the effect of making and reducing production costs.
Another purpose of the present utility model is to provide a kind of improvement magnetic core that the magnet ring miniature inductance is used that has, by the location division of the drum type iron core being located at this base, and can reduce the height of finished product, and but this drum type iron core of strong fix is in the location division of this base, with the situation of avoiding the displacement of drum type iron core, coming off.
A purpose more of the present utility model is to provide a kind of improvement magnetic core that the magnet ring miniature inductance is used that has, and can promote inductance value, and improve electrical characteristic.
The utility model is to provide a kind of improvement magnetic core that the magnet ring miniature inductance is used that has, and comprises a base; Conducting portion more than two is located at this base, and lays respectively at a side of this base; One drum type iron core, the periphery of this drum type iron core is provided with a wire casing, this wire casing winding around, and the two end portions of this coil is located at its this two conducting portions; One magnet ring, its generally in the form of a ring, this magnet ring is arranged at the periphery of this drum type iron core, it is characterized in that: and this two conducting portion is located at this base with one, and this conducting portion is located at the bottom surface of this base at least; The crown center position of this base is provided with a location division, and this location division is a hole of extending downwards, and the degree of depth of this location division is less than the height of this drum type iron core, and this drum type iron core is arranged at the location division of this base, and this magnet ring is located at the end face of this base.
The utility model is also to provide a kind of improvement magnetic core that the magnet ring miniature inductance is used that has, and this base is made with magnetic material.
The utility model is also to provide a kind of improvement magnetic core that the magnet ring miniature inductance is used that has, and this two conducting portion is a metallising.
The utility model is also to provide a kind of improvement magnetic core that the magnet ring miniature inductance is used that has, and this magnet ring two bottom sides is respectively equipped with a trough, and passes for the coil both ends of twining.
The utility model is also to provide a kind of improvement magnetic core that the magnet ring miniature inductance is used that has, and the location division of this base is a circular hole that does not run through.
The utility model reaches simplified construction, is easy to make and reduce production costs, the situation that also can avoid the displacement of drum type iron core, comes off, and can improve electrical characteristic.
Description of drawings
Fig. 1 stereogram of the present utility model.
Fig. 2 three-dimensional exploded view of the present utility model.
Fig. 3 is the III-III generalized section of Fig. 1.
Fig. 4 the utility model is wound with the schematic diagram of coil in the drum type iron core.
Fig. 5 the utility model is arranged at the use schematic diagram of circuit board.
Fig. 6 commonly uses the stereogram of the miniature inductance of tool magnet ring with magnetic core.
The specific embodiment mode
See also Fig. 1～3, the utility model is one to have the improvement magnetic core that the magnet ring miniature inductance is used, and the miniature inductance of this tool magnet ring comprises with magnetic core:
One base 2, it is made with magnetic material and has predetermined size, and the crown center position of this base 2 is provided with a location division 21, and this location division 21 is a circular hole that does not run through;
Conducting portion 22 more than two is located at this base 2, and lays respectively at a side of this location division 21; And this two conducting portion 22 is located at this base 2 with the metal treatment one, and the metal treatment of this two conducting portion 22 is metallising (METALIZED), and this conducting portion 22 is located at the bottom surface of this base 2 at least;
One drum type iron core 3 is located at the location division 21 of this base 2, and the periphery of this drum type iron core 3 is provided with a wire casing 31, and this wire casing 31 is for winding arounds 1, and can be divided into its this two conducting portions 22 for the both ends 11 with this coil 1, to electrically connect;
One magnet ring 5, its generally in the form of a ring, this magnet ring 5 is arranged at the periphery of this drum type iron core 3; These magnet ring 5 two bottom sides are respectively equipped with a trough 51, and can pass for coil 1 both ends 11 of twining;
This location division 21 is a hole of extending downwards, and the depth D of this location division 21 is less than the height H of this drum type iron core 3, and this drum type iron core 3 can be arranged at the location division 21 of this base 2, and this magnet ring 5 is located at the end face 23 of this base 2.
When group is established the utility model, shown in Fig. 3～5, the wire casing 31 of this drum type iron core 3 can supply winding around 1, it is outer and be arranged with this magnet ring 5, and the both ends 11 of this coil 1 are passed the cable hole 51 of nuclear-magnetism ring 5, again this drum type iron core 3 is arranged at the location division 21 of this base 2, and the both ends 11 that electrically connect this coil 1 respectively and this two conducting portion 22 with will be arranged on the circuit board 12, this two conducting portion 22 can be electrically connected with circuit board 12.
It should be noted that, the utility model is by make base 2 with magnetic material, and directly be integrally formed with this two conducting portion 22 with metal treatment, and drum type iron core 3 can be located at the location division 21 of this base 2, but except that simplified construction, be easy to make and reduce production costs, aspect whole height, the utility model more can reduce the height of finished product, and can locate the location division 21 of this drum type iron core 3, the situation that avoid 3 displacements of drum type iron core, comes off in this base 2.
In addition, in the performance of inductance value, base 2 of the present utility model is also made for magnetic material, and can promote inductance value, and improves the electrical characteristic of the miniature inductance of tool magnet ring with magnetic core.
Certainly, the utility model is not limited to the foregoing description, also can be made as difformity as this location division 21, and the processing of the metallising of this two conducting portion 22 can also other metal treatment be reached identical effect.
In sum, the utility model is by make base 2 with magnetic material, and directly be integrally formed with this two conducting portion 22 with metal treatment, and drum type iron core 3 can be located at the location division 21 of this base 2, but except that simplified construction, be easy to make, reduce height, the strong fix of finished product and reduce production costs, more can promote inductance value, improve the electrical characteristic of the miniature inductance of tool magnet ring with magnetic core.
The announcement of the above embodiment is not in order to restriction the utility model, so the displacement of the change of numerical value or equivalence element must be subordinate to category of the present utility model such as in order to explanation the utility model.
Claims (5)
1, a kind of have an improvement magnetic core that the magnet ring miniature inductance is used, and comprises a base; Conducting portion more than two is located at this base, and lays respectively at a side of this base; One drum type iron core, the periphery of this drum type iron core is provided with a wire casing, this wire casing winding around, and the two end portions of this coil is located at its this two conducting portions; One magnet ring, its generally in the form of a ring, this magnet ring is arranged at the periphery of this drum type iron core, it is characterized in that: and this two conducting portion is located at this base with one, and this conducting portion is located at the bottom surface of this base at least; The crown center position of this base is provided with a location division, and this location division is a hole of extending downwards, and the degree of depth of this location division is less than the height of this drum type iron core, and this drum type iron core is arranged at the location division of this base, and this magnet ring is located at the end face of this base.
2, according to claim 1 have an improvement magnetic core that the magnet ring miniature inductance is used, and it is characterized in that: this base is made with magnetic material.
3, according to claim 1 have an improvement magnetic core that the magnet ring miniature inductance is used, and it is characterized in that: this two conducting portion is a metallising.
4, according to claim 1 have an improvement magnetic core that the magnet ring miniature inductance is used, and it is characterized in that: this magnet ring two bottom sides is respectively equipped with a trough, and pass for the coil both ends of twining.
5, according to claim 1 have an improvement magnetic core that the magnet ring miniature inductance is used, and it is characterized in that: the location division of this base is a circular hole that does not run through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02230364 CN2539261Y (en) | 2002-04-08 | 2002-04-08 | Improved magnetic core with magnetic ring for miniature inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02230364 CN2539261Y (en) | 2002-04-08 | 2002-04-08 | Improved magnetic core with magnetic ring for miniature inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2539261Y true CN2539261Y (en) | 2003-03-05 |
Family
ID=33706382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02230364 Expired - Lifetime CN2539261Y (en) | 2002-04-08 | 2002-04-08 | Improved magnetic core with magnetic ring for miniature inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2539261Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101151688B (en) * | 2004-12-07 | 2013-01-16 | 富多电子公司 | Miniature transformer, multilayer printing circuit and methods for manufacturing same |
| CN103632840A (en) * | 2013-10-31 | 2014-03-12 | 胜美达电机（香港）有限公司 | Coil winder and automatic coil winding assembly method thereof |
-
2002
- 2002-04-08 CN CN 02230364 patent/CN2539261Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101151688B (en) * | 2004-12-07 | 2013-01-16 | 富多电子公司 | Miniature transformer, multilayer printing circuit and methods for manufacturing same |
| CN103632840A (en) * | 2013-10-31 | 2014-03-12 | 胜美达电机（香港）有限公司 | Coil winder and automatic coil winding assembly method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120408 Granted publication date: 20030305 |