JPH01266705A - Coil part - Google Patents
Coil partInfo
- Publication number
- JPH01266705A JPH01266705A JP63095150A JP9515088A JPH01266705A JP H01266705 A JPH01266705 A JP H01266705A JP 63095150 A JP63095150 A JP 63095150A JP 9515088 A JP9515088 A JP 9515088A JP H01266705 A JPH01266705 A JP H01266705A
- Authority
- JP
- Japan
- Prior art keywords
- coils
- coil
- molded
- molding
- magnetic
- 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.)
- Pending
Links
- 239000006247 magnetic powder Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 11
- 239000002861 polymer material Substances 0.000 abstract description 9
- 238000001746 injection moulding Methods 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 1
- 239000000696 magnetic material Substances 0.000 description 6
- 229910000859 α-Fe Inorganic materials 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229910001047 Hard ferrite Inorganic materials 0.000 description 2
- 229910001035 Soft ferrite Inorganic materials 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229910000521 B alloy Inorganic materials 0.000 description 1
- 229910001257 Nb alloy Inorganic materials 0.000 description 1
- 229910018605 Ni—Zn Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910000702 sendust Inorganic materials 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明はチョークコイル等のコイル部品に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to coil components such as choke coils.
本発明のコイル部品は、複数のコイルを磁性材粉を混入
した高分子材により一体的にモールド成形したことによ
り、例えば複数の出力を有する電源回路の2次側の複数
の平滑回路にリップル電圧を除去する目的でインダクタ
ーとして使用する場合、この複数のコイルを111mの
部品として用いることができて実装接続が容易となり、
工数の削減が可能になってコストの低減化を図ることが
でき、また各コイル間の磁気的結合が容易でからみチコ
ークとして使用できてレギュレーション改善及び人出力
リップル電圧の低減化を図ることができるようにしたも
のである。The coil component of the present invention has a plurality of coils integrally molded with a polymer material mixed with magnetic powder, so that, for example, a ripple voltage can be generated in a plurality of smoothing circuits on the secondary side of a power supply circuit having a plurality of outputs. When used as an inductor for the purpose of eliminating
It is possible to reduce man-hours and reduce costs, and since magnetic coupling between each coil is easy, it can be used as an entanglement coil, improving regulation and reducing human output ripple voltage. This is how it was done.
従来、通常電源の2次(1’1等に使用するインダクタ
ーとして用いられるコイル部品としては第7図に示すよ
うにドラム型コア(21)にコイル(22)を巻装して
形成され、必要に応じてシールドコア(23)を嵌着し
たものが一般に利用されており、多出力の場合には夫々
の出力回路に個々に接続していた。Conventionally, a coil component used as an inductor for the secondary (1'1, etc.) of a normal power supply is formed by winding a coil (22) around a drum-shaped core (21) as shown in Figure 7. Generally, a shield core (23) is fitted according to the requirements, and in the case of multiple outputs, it is connected to each output circuit individually.
従来のインダクターとして用いられているコイル部品と
ドラム型コアに巻線して形成しているため高さ及び外形
寸法を小さくすることができず、。Because it is formed by winding wires around a drum-shaped core and the coil parts used in conventional inductors, it is not possible to reduce the height and external dimensions.
特に外部への磁束の漏れ、外部からの影響を受け易く、
これを防止するためにシールドコアを嵌着すると寸法が
さらに大となり、このコイル部品の複数個を電源回路等
に個々に接続するには手数を要するばかりでなく、高密
度実装に通さず、しかもコスト高になる等の問題点があ
った。In particular, it is susceptible to leakage of magnetic flux to the outside and external influences.
In order to prevent this, if a shield core is fitted, the size becomes even larger, and it is not only time-consuming to individually connect multiple coil components to a power supply circuit, etc., but also does not allow high-density mounting. There were problems such as high cost.
本発明は、かかる点に鑑みコイル部品を所要の複数個の
コイルを磁性材粉混入の高分子材により一括モールドし
て構成して1個の部品として取扱い実装でき、また外部
への磁束の漏れ、外部からの影響を防止できるようにし
たコイル部品を提供することを目的とする。In view of the above, the present invention has a coil component that can be handled and mounted as a single component by molding a plurality of required coils at once using a polymer material mixed with magnetic powder, and also prevents leakage of magnetic flux to the outside. The purpose of the present invention is to provide a coil component that can prevent external influences.
上記の目的を達成するために、本発明のコイル部品は複
数のコイルを磁性材粉を混入した高分子材により所要配
置で一体的にモールド成形し、各コイルの各端子をモー
ルド体の外部に突出させて構成したものである。In order to achieve the above object, the coil component of the present invention is made by integrally molding a plurality of coils using a polymeric material mixed with magnetic powder in the desired arrangement, and connecting each terminal of each coil to the outside of the molded body. It is designed to protrude.
上記のように本発明のコイル部品は複数のコイルが一括
モールド成形されることにより多連のモールドチョーク
アレイとして構成されてt (1111のコイル部品と
して取扱えて、電源回路等の配線回路裁板に容易に実装
接続できて工数が削減され、また、コイル間の磁気的結
合を利用したからみチョークとして使用できてレギュレ
ーション改善、入出力リフプル電圧の低減が可能となる
。As mentioned above, the coil component of the present invention is configured as a multiple molded choke array by molding a plurality of coils at once. It can be easily mounted and connected, reducing man-hours, and can also be used as a tangling choke that utilizes magnetic coupling between coils, improving regulation and reducing input/output ripple voltage.
以下、本発明の実施例を図面を参照して説明する。 Embodiments of the present invention will be described below with reference to the drawings.
先ず、第1図は一実施例の断面図を示し、複数のコイル
、本例では3個の空芯コイル(ir)。First, FIG. 1 shows a cross-sectional view of one embodiment, in which a plurality of coils, in this example, three air-core coils (IR).
(12)、(13)を一定間隔で同一方向に並べて磁性
材粉aを混入した高分子材により、コイル端子(1a1
)(lbt) 、 (la2) (lbt) 、
(la3) 。(12) and (13) are lined up in the same direction at regular intervals, and a coil terminal (1a1
) (lbt) , (la2) (lbt) ,
(la3).
(lb3)を外部に突出して一括モールド成形を行い、
コイルモールド体(2)を形成して二連のモールドチョ
ークアレー(3)として構成しである。(lb3) is protruded to the outside and batch molded,
A coil molded body (2) is formed to form a double molded choke array (3).
第2図は他の実施例の断面図を示し、本例は2個の空芯
コイル(11)、(12)を軸方向に対向させて磁性材
粉aを混入した高分子材により、コイル端子(lax
) 、 (lbt ) 、 (la2) 、 (
lbt)を外部に突出して一括モールド成形を行い、コ
イルモールド体(2)を形成して二連のモールドチョー
クアレー(4)として構成しである。FIG. 2 shows a sectional view of another embodiment, and this embodiment has two air-core coils (11) and (12) facing each other in the axial direction, and is made of a polymer material mixed with magnetic powder a. Terminal (lax
), (lbt), (la2), (
lbt) is projected to the outside and subjected to batch molding to form a coil mold body (2) and constitute a double molded choke array (4).
また、第3図はさらに他の実施例の断面図を示し、本例
は2個の空芯コイル(11)、(12)に夫々磁芯(5
1)、(52)を挿入し、この状態で第1図に示す実施
例と同様に、所要間隔で並べて磁性材粉aを混入した高
分子材によりモールド成形を行い、コイルモールド体(
2)を形成して二連のモールドチョークアレー(6)と
して構成しである。Moreover, FIG. 3 shows a sectional view of still another embodiment, and this embodiment has two air core coils (11) and (12) each having a magnetic core (5
1) and (52) are inserted, and in this state, similar to the embodiment shown in FIG.
2) to form a double molded choke array (6).
以上のように構成される本発明の各実施例において空芯
コイル(lx)、(12)、(13)を−括モールド成
形するコイルモールド体(21はコイルに対してボビン
及びコアとしての作用と、外部に対する磁気シールドと
して作用の三役を果すことになり、また磁性材粉が混入
された高分子材の射出成形によって形成するので形状が
複雑で小型であっても容易に形成できて、使用電子回路
装置に適合したモールドチョークアレー、即ちコイル部
品を、安価に提供できることになる。In each of the embodiments of the present invention configured as described above, a coil mold body (21 acts as a bobbin and a core for the coil) is used to mold the air core coils (lx), (12), and (13). It plays the triple role of acting as a magnetic shield from the outside, and since it is formed by injection molding of a polymer material mixed with magnetic powder, it can be easily formed even if the shape is complex and small. A molded choke array, that is, a coil component suitable for the electronic circuit device used can be provided at a low cost.
次に、このように構成されるモールドチョークアレーの
使用例を説明する。Next, an example of use of the molded chalk array configured as described above will be explained.
先ず第4図に示すように、複数出力の電源回路(11)
の出力側において各コイル(11)、(12)。First, as shown in Figure 4, a multiple output power supply circuit (11)
each coil (11), (12) on the output side of.
(13)を入力回路(lli )に対する各出力回路(
1lo1) 、 (1102) 、 (1103)
のリップル電圧を除去する目的で平滑回路のチョークコ
イルとして使用すると、1個のモールドチョークアレー
(3)を実装接続するだけで各出力回路の平滑回路を同
時に形成できて、回路構成が簡単化される。(13) for each output circuit (lli) for the input circuit (lli)
1lo1) , (1102) , (1103)
When used as a choke coil in a smoothing circuit for the purpose of removing the ripple voltage of Ru.
また、各コイル(11)、(12)、(13)を第5図
に示すように、フィルター回路(12)にインダクター
として使用する場合、1個のモールドチョークアレ−(
3)を配するだけでフィルター回路(12)を簡単に構
成できることになる。この場合モールドチョークアレー
(3)のコイルモールド体(2)の形成においてコンデ
ンサー(71)、(T2)(73)を各コイル(11)
、(12)、(13)と並列に接続した状態で各コイル
と共にモールドすることによりフィルター回路(12)
はさらに簡単に構成できることになる。In addition, when each coil (11), (12), (13) is used as an inductor in a filter circuit (12) as shown in Fig. 5, one molded choke array (
3), the filter circuit (12) can be easily configured. In this case, in forming the coil mold body (2) of the molded choke array (3), the capacitors (71), (T2) (73) are connected to each coil (11).
, (12) and (13) are connected in parallel and molded together with each coil to form a filter circuit (12).
can be configured even more easily.
さらには、モールドチョークアレー(3)乃至(6)に
おいて各コイル(11) 、(12)・・・・を磁気的
に結合させることが可能であり、この磁気的結合を積極
的に利用してからみチョークとして使用でき、例えばモ
ールドチョークアレー(4)又は(6)を第6図に示す
DC−DCコンバータ回路(13)においてコイル(1
1)と(12)とを入力側と出力側のインダクターとし
て用い、電流を互いに逆方向に流すことにより、磁束方
向が互いに逆になり入力側リップル電圧と出力側リップ
ル電圧とが相殺されることになって入出力リップル電圧
の低減化、レギュレーシン改善を図ることができる。Furthermore, it is possible to magnetically couple the coils (11), (12), etc. in the molded choke arrays (3) to (6), and this magnetic coupling can be actively utilized. It can be used as a tangling choke, for example, a molded choke array (4) or (6) can be used as a coil (1) in a DC-DC converter circuit (13) shown in FIG.
By using 1) and (12) as inductors on the input side and output side and flowing current in opposite directions, the magnetic flux directions become opposite to each other and the ripple voltage on the input side and the ripple voltage on the output side cancel each other out. This makes it possible to reduce input/output ripple voltage and improve regulation.
以上のように構成される各回路(11) 、 (12
) 。Each circuit (11), (12) configured as above
).
(13)に接続されるモールドチョークアレーの各コイ
ル(11)、(12)、(13)・・・・は空芯コイル
に限ることなく、各コイル(11)、(12)に夫々磁
芯(51) 、 (52)を挿入してモールド成形し
たコイルモールド体、即ち第3図に示すモールドチョー
クアレー但)を用いることができる。The coils (11), (12), (13), etc. of the molded choke array connected to (13) are not limited to air core coils, and each coil (11), (12) has a magnetic core. A coil molded body formed by inserting (51) and (52) and molded, that is, a molded choke array shown in FIG. 3 can be used.
以上の実施例においてモールド体(2)を成形する高分
子材に混入される磁性材粉aとしては、例えばソフトフ
ェライト (Mn−Znフェライト、 Ni−Znフェ
ライト、 Mg−Znフェライト)、パーマロイ。In the above embodiments, examples of the magnetic powder a mixed in the polymer material used to form the mold body (2) include soft ferrite (Mn-Zn ferrite, Ni-Zn ferrite, Mg-Zn ferrite), permalloy.
センダスト、アモルファス金属(1’e−Co−St−
8合金+Go−Zr−Nb合金)等の軟質磁性材料が用
いられる。Sendust, amorphous metal (1'e-Co-St-
8 alloy + Go-Zr-Nb alloy) is used.
また、モールド体(2)の成形用高分子材としては熱可
塑性樹脂を使用でき、この樹脂としてはポリエチレン、
ポリプロスピレン、ポリスチレン、ポリ塩化ビニル、ア
クリレート樹脂、ナイロン、ポリサルファン等がある。In addition, thermoplastic resin can be used as the polymer material for molding the mold body (2), and examples of this resin include polyethylene,
Examples include polypropylene, polystyrene, polyvinyl chloride, acrylate resin, nylon, and polysulfan.
また、磁芯(5)としては焼結フェライトにより形成し
たものを使用できるが、この磁芯入リコイルを用いるモ
ールドチョークアレーは磁性材粉を混入した高分子材に
より二色射出成形により形成できる。即ちこの成形はコ
イル(11)、(12)の外周部を軟質磁性材料(ソフ
トフェライト等)で成形し、内周部、即ち磁芯部を軟質
磁性材料(ハードフェライト等)で成形する。この二色
射出成形はコアバック方式、ロータリ一方式により行え
るものである。Further, the magnetic core (5) can be made of sintered ferrite, but a molded choke array using this magnetic core-containing recoil can be formed by two-color injection molding from a polymeric material mixed with magnetic powder. That is, in this molding, the outer peripheral portions of the coils (11) and (12) are molded with a soft magnetic material (such as soft ferrite), and the inner peripheral portions, that is, the magnetic core portions are molded with a soft magnetic material (such as hard ferrite). This two-color injection molding can be performed by a core-back method or a rotary one-way method.
この二色成形に用いられる軟質磁性材料としては前述し
た磁性材があるが、硬質磁性材料としては、Goを含有
する7 −FIB203 +ハードフエライ) (B
aフェライト、Srフェライト)1MnAiFe−Nd
−B合金等が用いられる。As the soft magnetic material used for this two-color molding, there is the above-mentioned magnetic material, but as the hard magnetic material, 7-FIB203 + hard ferrite containing Go (B
a ferrite, Sr ferrite) 1MnAiFe-Nd
-B alloy etc. are used.
以上、本発明の詳細な説明したが、本発明はこれ等の実
施例に限定されるものではなく、本発明の趣旨を逸脱し
ない範囲で種々変更できるもので、例えばコイルの増減
、モールド体の形状、コイル端子の突出方向等を必要に
応じて種々変更できるものである。Although the present invention has been described in detail above, the present invention is not limited to these embodiments, and can be modified in various ways without departing from the spirit of the present invention. For example, the number of coils may be increased or decreased, the mold body may be The shape, the protruding direction of the coil terminal, etc. can be changed in various ways as necessary.
以上のように本発明によるコイル部品は複数のコイルを
磁性材粉を混入した高分子材によりモールド成形するの
で、電子回路構成に対応したコイルを複数有し、形状が
複雑で小型のコイル部品も簡単に形成でき、またコイル
間の磁気的結合が容易であるためからみチョークとして
使用できて、人、出力の極性を制御することにより人、
出力電圧リップルは相殺されることになって低減化を図
ることができると共にレギュレーションの改善がpJ能
となる。As described above, the coil component according to the present invention has a plurality of coils molded using a polymer material mixed with magnetic powder, so it has a plurality of coils corresponding to the electronic circuit configuration, and can also be used for small coil components with complex shapes. It is easy to form, and magnetic coupling between coils is easy, so it can be used as a tangling choke.
The output voltage ripples are canceled out and can be reduced, and the regulation is improved by pJ performance.
さらに複数のコイルが多連コイルとして形成されるので
回路基板への実装が容易に行えて配線実装工数の削減が
可能となって電子回路作成の作業能率が向上されると共
にコイルを1個ずつ絶縁モールドしたり、シールドコア
を被着するものに比しコスト低廉化が可能となる等の効
果を有する。Furthermore, since multiple coils are formed as multiple coils, it can be easily mounted on a circuit board, reducing the number of wiring mounting steps, improving work efficiency in creating electronic circuits, and insulating each coil one by one. It has the effect of being able to reduce costs compared to those that are molded or coated with a shield core.
第1図は本発明によるコイル部品の一例の断面図、第2
図は同、他側の断面図、第3図は同、さらに他側の断面
図、第4図〜第6図は本発明によるコイル部品を用いて
構成される電子回路図、第7図は従来のコイル部品の断
面図である。
図中、(11)、(12)、(13)は空芯コイル、(
2)はモールド体、(31、(4) 、 (61はモー
ルドチョークアレー、(5)は磁芯、aは磁性材粉であ
る。FIG. 1 is a sectional view of an example of a coil component according to the present invention, and FIG.
Figure 3 is a sectional view of the same, on the other side, Figures 4 to 6 are electronic circuit diagrams constructed using the coil component according to the present invention, and Figure 7 is a sectional view of the other side. FIG. 2 is a cross-sectional view of a conventional coil component. In the figure, (11), (12), and (13) are air core coils, (
2) is a molded body, (31, (4), (61 is a molded chalk array, (5) is a magnetic core, and a is a magnetic material powder.
Claims (1)
配置で一体的にモールド成形し、上記各コイルの各端子
を上記モールド体の外部に突出させたことを特徴とする
コイル部品。A coil component characterized in that a plurality of coils are integrally molded in a desired arrangement using a polymeric material mixed with magnetic powder, and each terminal of each of the coils is made to protrude outside of the molded body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63095150A JPH01266705A (en) | 1988-04-18 | 1988-04-18 | Coil part |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63095150A JPH01266705A (en) | 1988-04-18 | 1988-04-18 | Coil part |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01266705A true JPH01266705A (en) | 1989-10-24 |
Family
ID=14129769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63095150A Pending JPH01266705A (en) | 1988-04-18 | 1988-04-18 | Coil part |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01266705A (en) |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000036414A (en) * | 1998-05-12 | 2000-02-02 | Murata Mfg Co Ltd | Inductor and manufacture thereof |
US6204744B1 (en) | 1995-07-18 | 2001-03-20 | Vishay Dale Electronics, Inc. | High current, low profile inductor |
JP2003526902A (en) * | 1999-03-16 | 2003-09-09 | ヴィシャイ デイル エレクトロニクス インコーポレイテッド | Inductor coil structure and manufacturing method thereof |
WO2004019352A1 (en) * | 2002-08-26 | 2004-03-04 | Matsushita Electric Industrial Co., Ltd. | Multi-phase-use magnetic element and production method therefor |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5577113A (en) * | 1978-12-05 | 1980-06-10 | Hitachi Ltd | Magnetic part |
-
1988
- 1988-04-18 JP JP63095150A patent/JPH01266705A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5577113A (en) * | 1978-12-05 | 1980-06-10 | Hitachi Ltd | Magnetic part |
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