CN2539262Y - Magnetic core for miniature inductor - Google Patents
Magnetic core for miniature inductor Download PDFInfo
- Publication number
- CN2539262Y CN2539262Y CN 02230365 CN02230365U CN2539262Y CN 2539262 Y CN2539262 Y CN 2539262Y CN 02230365 CN02230365 CN 02230365 CN 02230365 U CN02230365 U CN 02230365U CN 2539262 Y CN2539262 Y CN 2539262Y
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- CN
- China
- Prior art keywords
- base
- iron core
- holding part
- drum type
- type iron
- Prior art date
- 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 a magnetic core for a minitype electric inductor, which comprises a base, more than two conducting parts, a drum-shaped iron core and a containing part, wherein more than two conducting parts are arranged on the base and respectively arranged on one side of the base. A wire chase is arranged on the circumference surface of the drum-shaped iron core. The wire chase is provided for the winding of the windings. The two conducting parts are integrally arranged on the base, and the conducting parts are arranged on the bottom surface of the base at least. The containing part arranged in the base is a hole. The drum-shaped iron core is arranged on the containing part of the base, and the containing part of the base surrounds the drum-shaped iron core. So the goals of the conformation simplification, the easy manufacture and the reduction of the production cost are achieved. The conditions of the displacement and the desquamation of the drum-shaped iron core can be avoided, and the electrical characteristic is improved.
Description
Technical field
The utility model relates to a kind of miniature inductance magnetic core, especially refers to a kind ofly by making base with magnetic material, and directly is integrally formed with this two conducting portion with metal treatment, and the drum type iron core is located at the miniature inductance magnetic core of the holding part of this base.
Background technology
As shown in Figure 6, existing miniature inductance magnetic core 9, it has the base 91 that a pottery or plastic cement material 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, magnet ring 93, 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, this kind miniature inductance is quite little with magnetic core 9 volumes, more cause the difficulty in the operation, production cost is also high.In the performance of electric prestige amount, be subject to the base 91 that pottery or plastic cement material are made in addition, and the performance of overall inductance amount also is difficult to again for promoting.
Moreover, existing electronic component is many towards compact designer trends, not only whole height is quite high but this kind miniature inductance 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, in addition, the both ends 971 of this coil 97 are divided into the metallic laminas 92 of both sides, and also operability is bad because there not being significant location.
Summary of the invention
Main purpose of the present utility model is to provide a kind of miniature inductance magnetic core, 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 holding part of this base, and need not be provided with the magnet ring of commonly using, 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 miniature inductance magnetic core, by the holding part 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 holding part of this base, with the situation of avoiding the displacement of drum type iron core, coming off, and the both ends of this coil also can be divided into the guide groove of this two conducting portion of both sides, and improve operability.
A purpose more of the present utility model is to provide a kind of miniature inductance magnetic core, can promote inductance value, and improve electrical characteristic.
The utility model is to provide a kind of miniature inductance magnetic core, 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, and this wire casing is for winding around, and the two end portions of this coil is located at its this two conducting portions, 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; Be provided with a holding part in this base, this holding part is a hole, and this drum type iron core is arranged at the holding part of this base, and the holding part of this base surrounds this drum type iron core.
The utility model is also to provide a kind of miniature inductance magnetic core, and this two conducting portion also is respectively equipped with guide groove more than one, and this guide groove extends to the holding part of this base, and the two end portions of coil is located at the guide groove of its this two conducting portions.
The utility model is also to provide a kind of miniature inductance magnetic core, and this two conducting portion is a metallising.
The utility model is also to provide a kind of miniature inductance magnetic core, and the holding part of this base is a circular hole that runs through.
The utility model is also to provide a kind of miniature inductance magnetic core, the holding part of this base is one to have the class hole of drop, and push up, the bottom side has one narrow and a wide portion, and this drum type iron core in the top of wire casing, the bottom side also correspondence have one narrow and a wide portion, and the wide portion of this drum type iron core is placed in the wide portion of holding part, and the narrow portion of this drum type iron core is placed in the narrow portion of holding part.
The utility model reaches simplified construction, is easy to make and reduce production costs, the situation that can avoid the displacement of drum type iron core, comes off, and 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 drum type iron core of the present utility model is wound with the schematic diagram of coil.
Fig. 4 use schematic diagram of the present utility model.
Fig. 5 the utility model is arranged at the schematic diagram of circuit board.
Fig. 6 commonly uses the stereogram of miniature inductance with magnetic core.
Embodiment
See also Fig. 1,2, the utility model is a miniature inductance magnetic core, and this miniature inductance comprises with magnetic core:
One base 2, it is made with magnetic material and has predetermined size, is provided with a holding part 21 in this base 2, and this holding part 21 is a circular hole;
Conducting portion 22 more than two is located at this base 2, and lays respectively at a side of this holding part 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 the bottom surface that metallising (METALIZED) and this conducting portion 22 are located at this base 2 at least;
One drum type iron core 3 is located at the holding part 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; In present embodiment, this two conducting portion 22 also is respectively equipped with guide groove 221 more than one, and this guide groove 221 extends to the holding part 21 of this base 2;
The holding part 21 of this base 2 is an open-work that runs through, and this drum type iron core 3 can be arranged at wherein, and the holding part 21 of this base 2 surrounds this drum type iron core 3; In present embodiment, the holding part 21 of this base 2 is one to have the class hole of drop, and push up, the bottom side has one narrow 211 and one wide 212, and this drum type iron core 3 is in the top of wire casing 31, bottom side also correspondence has one narrow 311 and one wide 312, and wide 312 wide 212 of being placed in holding part 21 who makes this drum type iron core 3, narrow 311 of this drum type iron core 3 is placed in narrow 211 groups of holding part 21 when establishing the utility model, shown in Fig. 3~5, the wire casing 31 of this drum type iron core 3 can supply winding around 1, and the both ends 11 of this coil 1 are divided into the guide groove 221 of its this two conducting portions 22, to electrically connect, again this drum type iron core 3 is arranged at the holding part 21 of this base 2, and this two conducting portion 22 is arranged on the circuit board 12 down, 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, directly be integrally formed with this two conducting portion 22 with metal treatment, drum type iron core 3 can be located at the holding part 21 of this base 2, and need not be provided with the magnet ring of commonly using, but simplified construction not only, outside being easy to make and reducing production costs, aspect whole height, the utility model more can reduce the height of finished product, and can locate the holding part 21 of this drum type iron core 3, avoid 3 displacements of drum type iron core in this base 2, the situation that comes off, in addition, the both ends 11 of this coil 1 also can be divided into the guide groove 221 of this two conducting portion 22 of both sides, and improve operability.
In addition, in the performance of inductance value, base 2 of the present utility model is also made for magnetic material, and this base 2 can be made as the magnet ring of commonly using big, can promote inductance value and make, to improve the electrical characteristic of miniature inductance with magnetic core.
Certainly, the utility model is not limited to the foregoing description, also can be made as difformity as this holding part 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 making base 2 with magnetic material and directly being integrally formed with this two conducting portion 22 with metal treatment, and drum type iron core 3 can be located at the holding part 21 of this base 2, need not be provided with the magnet ring of commonly using, 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, to improve the electrical characteristic of miniature inductance 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 miniature inductance magnetic core 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, and this wire casing is for winding around, and the two end portions of this coil is located at its this two conducting portions, 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; Be provided with a holding part in this base, this holding part is a hole, and this drum type iron core is arranged at the holding part of this base, and the holding part of this base surrounds this drum type iron core.
2, miniature inductance magnetic core according to claim 1 is characterized in that: this two conducting portion also is respectively equipped with guide groove more than one, and this guide groove extends to the holding part of this base, and the two end portions of coil is located at the guide groove of its this two conducting portions.
3, miniature inductance magnetic core according to claim 1 is characterized in that: this two conducting portion is a metallising.
4, miniature inductance magnetic core according to claim 1 is characterized in that: the holding part of this base is a circular hole that runs through.
5, miniature inductance magnetic core according to claim 1, it is characterized in that: the holding part of this base is one to have the class hole of drop, and push up, the bottom side has one narrow and a wide portion, and this drum type iron core in the top of wire casing, the bottom side also correspondence have one narrow and a wide portion, and the wide portion of this drum type iron core is placed in the wide portion of holding part, and the narrow portion of this drum type iron core is placed in the narrow portion of holding part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02230365 CN2539262Y (en) | 2002-04-08 | 2002-04-08 | Magnetic core for miniature inductor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02230365 CN2539262Y (en) | 2002-04-08 | 2002-04-08 | Magnetic core for miniature inductor |
Publications (1)
Publication Number | Publication Date |
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CN2539262Y true CN2539262Y (en) | 2003-03-05 |
Family
ID=33706383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02230365 Expired - Lifetime CN2539262Y (en) | 2002-04-08 | 2002-04-08 | Magnetic core for miniature inductor |
Country Status (1)
Country | Link |
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CN (1) | CN2539262Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102110512A (en) * | 2010-12-24 | 2011-06-29 | 柏玉新 | Soft magnetic ferrite magnet ring with base |
CN101086916B (en) * | 2006-05-09 | 2012-10-10 | 胜美达集团株式会社 | Inductor and manufacturing method thereof |
-
2002
- 2002-04-08 CN CN 02230365 patent/CN2539262Y/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101086916B (en) * | 2006-05-09 | 2012-10-10 | 胜美达集团株式会社 | Inductor and manufacturing method thereof |
CN102110512A (en) * | 2010-12-24 | 2011-06-29 | 柏玉新 | Soft magnetic ferrite magnet ring with base |
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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 |